Merge branch 'master' into subtitle-display-title

Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs

@@ -30,13 +30,10 @@ namespace Emby.Server.Implementations.Activity
     public class ActivityLogEntryPoint : IServerEntryPoint
     {
         private readonly IInstallationManager _installationManager;
-
-        //private readonly ILogger _logger;
         private readonly ISessionManager _sessionManager;
         private readonly ITaskManager _taskManager;
         private readonly IActivityManager _activityManager;
         private readonly ILocalizationManager _localization;
-
         private readonly ILibraryManager _libraryManager;
         private readonly ISubtitleManager _subManager;
         private readonly IUserManager _userManager;
@@ -61,41 +58,37 @@ namespace Emby.Server.Implementations.Activity
 
         public Task RunAsync()
         {
-            _taskManager.TaskCompleted += _taskManager_TaskCompleted;
+            _taskManager.TaskCompleted += OnTaskCompleted;
 
-            _installationManager.PluginInstalled += _installationManager_PluginInstalled;
-            _installationManager.PluginUninstalled += _installationManager_PluginUninstalled;
-            _installationManager.PluginUpdated += _installationManager_PluginUpdated;
-            _installationManager.PackageInstallationFailed += _installationManager_PackageInstallationFailed;
+            _installationManager.PluginInstalled += OnPluginInstalled;
+            _installationManager.PluginUninstalled += OnPluginUninstalled;
+            _installationManager.PluginUpdated += OnPluginUpdated;
+            _installationManager.PackageInstallationFailed += OnPackageInstallationFailed;
 
-            _sessionManager.SessionStarted += _sessionManager_SessionStarted;
-            _sessionManager.AuthenticationFailed += _sessionManager_AuthenticationFailed;
-            _sessionManager.AuthenticationSucceeded += _sessionManager_AuthenticationSucceeded;
-            _sessionManager.SessionEnded += _sessionManager_SessionEnded;
+            _sessionManager.SessionStarted += OnSessionStarted;
+            _sessionManager.AuthenticationFailed += OnAuthenticationFailed;
+            _sessionManager.AuthenticationSucceeded += OnAuthenticationSucceeded;
+            _sessionManager.SessionEnded += OnSessionEnded;
 
-            _sessionManager.PlaybackStart += _sessionManager_PlaybackStart;
-            _sessionManager.PlaybackStopped += _sessionManager_PlaybackStopped;
+            _sessionManager.PlaybackStart += OnPlaybackStart;
+            _sessionManager.PlaybackStopped += OnPlaybackStopped;
 
-            //_subManager.SubtitlesDownloaded += _subManager_SubtitlesDownloaded;
-            _subManager.SubtitleDownloadFailure += _subManager_SubtitleDownloadFailure;
+            _subManager.SubtitleDownloadFailure += OnSubtitleDownloadFailure;
 
-            _userManager.UserCreated += _userManager_UserCreated;
-            _userManager.UserPasswordChanged += _userManager_UserPasswordChanged;
-            _userManager.UserDeleted += _userManager_UserDeleted;
-            _userManager.UserPolicyUpdated += _userManager_UserPolicyUpdated;
-            _userManager.UserLockedOut += _userManager_UserLockedOut;
+            _userManager.UserCreated += OnUserCreated;
+            _userManager.UserPasswordChanged += OnUserPasswordChanged;
+            _userManager.UserDeleted += OnUserDeleted;
+            _userManager.UserPolicyUpdated += OnUserPolicyUpdated;
+            _userManager.UserLockedOut += OnUserLockedOut;
 
-            //_config.ConfigurationUpdated += _config_ConfigurationUpdated;
-            //_config.NamedConfigurationUpdated += _config_NamedConfigurationUpdated;
+            _deviceManager.CameraImageUploaded += OnCameraImageUploaded;
 
-            _deviceManager.CameraImageUploaded += _deviceManager_CameraImageUploaded;
-
-            _appHost.ApplicationUpdated += _appHost_ApplicationUpdated;
+            _appHost.ApplicationUpdated += OnApplicationUpdated;
 
             return Task.CompletedTask;
         }
 
-        void _deviceManager_CameraImageUploaded(object sender, GenericEventArgs<CameraImageUploadInfo> e)
+        private void OnCameraImageUploaded(object sender, GenericEventArgs<CameraImageUploadInfo> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -104,7 +97,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _userManager_UserLockedOut(object sender, GenericEventArgs<User> e)
+        private void OnUserLockedOut(object sender, GenericEventArgs<User> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -114,7 +107,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _subManager_SubtitleDownloadFailure(object sender, SubtitleDownloadFailureEventArgs e)
+        private void OnSubtitleDownloadFailure(object sender, SubtitleDownloadFailureEventArgs e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -125,7 +118,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _sessionManager_PlaybackStopped(object sender, PlaybackStopEventArgs e)
+        private void OnPlaybackStopped(object sender, PlaybackStopEventArgs e)
         {
             var item = e.MediaInfo;
 
@@ -146,7 +139,7 @@ namespace Emby.Server.Implementations.Activity
                 return;
             }
 
-            var user = e.Users.First();
+            var user = e.Users[0];
 
             CreateLogEntry(new ActivityLogEntry
             {
@@ -156,7 +149,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _sessionManager_PlaybackStart(object sender, PlaybackProgressEventArgs e)
+        private void OnPlaybackStart(object sender, PlaybackProgressEventArgs e)
         {
             var item = e.MediaInfo;
 
@@ -232,7 +225,7 @@ namespace Emby.Server.Implementations.Activity
             return null;
         }
 
-        void _sessionManager_SessionEnded(object sender, SessionEventArgs e)
+        private void OnSessionEnded(object sender, SessionEventArgs e)
         {
             string name;
             var session = e.SessionInfo;
@@ -258,7 +251,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _sessionManager_AuthenticationSucceeded(object sender, GenericEventArgs<AuthenticationResult> e)
+        private void OnAuthenticationSucceeded(object sender, GenericEventArgs<AuthenticationResult> e)
         {
             var user = e.Argument.User;
 
@@ -271,7 +264,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _sessionManager_AuthenticationFailed(object sender, GenericEventArgs<AuthenticationRequest> e)
+        private void OnAuthenticationFailed(object sender, GenericEventArgs<AuthenticationRequest> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -282,7 +275,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _appHost_ApplicationUpdated(object sender, GenericEventArgs<PackageVersionInfo> e)
+        private void OnApplicationUpdated(object sender, GenericEventArgs<PackageVersionInfo> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -292,25 +285,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _config_NamedConfigurationUpdated(object sender, ConfigurationUpdateEventArgs e)
-        {
-            CreateLogEntry(new ActivityLogEntry
-            {
-                Name = string.Format(_localization.GetLocalizedString("MessageNamedServerConfigurationUpdatedWithValue"), e.Key),
-                Type = "NamedConfigurationUpdated"
-            });
-        }
-
-        void _config_ConfigurationUpdated(object sender, EventArgs e)
-        {
-            CreateLogEntry(new ActivityLogEntry
-            {
-                Name = _localization.GetLocalizedString("MessageServerConfigurationUpdated"),
-                Type = "ServerConfigurationUpdated"
-            });
-        }
-
-        void _userManager_UserPolicyUpdated(object sender, GenericEventArgs<User> e)
+        private void OnUserPolicyUpdated(object sender, GenericEventArgs<User> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -320,7 +295,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _userManager_UserDeleted(object sender, GenericEventArgs<User> e)
+        private void OnUserDeleted(object sender, GenericEventArgs<User> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -329,7 +304,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _userManager_UserPasswordChanged(object sender, GenericEventArgs<User> e)
+        private void OnUserPasswordChanged(object sender, GenericEventArgs<User> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -339,7 +314,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _userManager_UserCreated(object sender, GenericEventArgs<User> e)
+        private void OnUserCreated(object sender, GenericEventArgs<User> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -349,18 +324,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _subManager_SubtitlesDownloaded(object sender, SubtitleDownloadEventArgs e)
-        {
-            CreateLogEntry(new ActivityLogEntry
-            {
-                Name = string.Format(_localization.GetLocalizedString("SubtitlesDownloadedForItem"), Notifications.Notifications.GetItemName(e.Item)),
-                Type = "SubtitlesDownloaded",
-                ItemId = e.Item.Id.ToString("N"),
-                ShortOverview = string.Format(_localization.GetLocalizedString("ProviderValue"), e.Provider)
-            });
-        }
-
-        void _sessionManager_SessionStarted(object sender, SessionEventArgs e)
+        private void OnSessionStarted(object sender, SessionEventArgs e)
         {
             string name;
             var session = e.SessionInfo;
@@ -386,7 +350,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _installationManager_PluginUpdated(object sender, GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>> e)
+        private void OnPluginUpdated(object sender, GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -397,7 +361,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _installationManager_PluginUninstalled(object sender, GenericEventArgs<IPlugin> e)
+        private void OnPluginUninstalled(object sender, GenericEventArgs<IPlugin> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -406,7 +370,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _installationManager_PluginInstalled(object sender, GenericEventArgs<PackageVersionInfo> e)
+        private void OnPluginInstalled(object sender, GenericEventArgs<PackageVersionInfo> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
@@ -416,7 +380,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _installationManager_PackageInstallationFailed(object sender, InstallationFailedEventArgs e)
+        private void OnPackageInstallationFailed(object sender, InstallationFailedEventArgs e)
         {
             var installationInfo = e.InstallationInfo;
 
@@ -429,7 +393,7 @@ namespace Emby.Server.Implementations.Activity
             });
         }
 
-        void _taskManager_TaskCompleted(object sender, TaskCompletionEventArgs e)
+        private void OnTaskCompleted(object sender, TaskCompletionEventArgs e)
         {
             var result = e.Result;
             var task = e.Task;
@@ -468,48 +432,36 @@ namespace Emby.Server.Implementations.Activity
         }
 
         private void CreateLogEntry(ActivityLogEntry entry)
-        {
-            try
-            {
-                _activityManager.Create(entry);
-            }
-            catch
-            {
-                // Logged at lower levels
-            }
-        }
+            => _activityManager.Create(entry);
 
         public void Dispose()
         {
-            _taskManager.TaskCompleted -= _taskManager_TaskCompleted;
+            _taskManager.TaskCompleted -= OnTaskCompleted;
 
-            _installationManager.PluginInstalled -= _installationManager_PluginInstalled;
-            _installationManager.PluginUninstalled -= _installationManager_PluginUninstalled;
-            _installationManager.PluginUpdated -= _installationManager_PluginUpdated;
-            _installationManager.PackageInstallationFailed -= _installationManager_PackageInstallationFailed;
+            _installationManager.PluginInstalled -= OnPluginInstalled;
+            _installationManager.PluginUninstalled -= OnPluginUninstalled;
+            _installationManager.PluginUpdated -= OnPluginUpdated;
+            _installationManager.PackageInstallationFailed -= OnPackageInstallationFailed;
 
-            _sessionManager.SessionStarted -= _sessionManager_SessionStarted;
-            _sessionManager.AuthenticationFailed -= _sessionManager_AuthenticationFailed;
-            _sessionManager.AuthenticationSucceeded -= _sessionManager_AuthenticationSucceeded;
-            _sessionManager.SessionEnded -= _sessionManager_SessionEnded;
+            _sessionManager.SessionStarted -= OnSessionStarted;
+            _sessionManager.AuthenticationFailed -= OnAuthenticationFailed;
+            _sessionManager.AuthenticationSucceeded -= OnAuthenticationSucceeded;
+            _sessionManager.SessionEnded -= OnSessionEnded;
 
-            _sessionManager.PlaybackStart -= _sessionManager_PlaybackStart;
-            _sessionManager.PlaybackStopped -= _sessionManager_PlaybackStopped;
+            _sessionManager.PlaybackStart -= OnPlaybackStart;
+            _sessionManager.PlaybackStopped -= OnPlaybackStopped;
 
-            _subManager.SubtitleDownloadFailure -= _subManager_SubtitleDownloadFailure;
+            _subManager.SubtitleDownloadFailure -= OnSubtitleDownloadFailure;
 
-            _userManager.UserCreated -= _userManager_UserCreated;
-            _userManager.UserPasswordChanged -= _userManager_UserPasswordChanged;
-            _userManager.UserDeleted -= _userManager_UserDeleted;
-            _userManager.UserPolicyUpdated -= _userManager_UserPolicyUpdated;
-            _userManager.UserLockedOut -= _userManager_UserLockedOut;
+            _userManager.UserCreated -= OnUserCreated;
+            _userManager.UserPasswordChanged -= OnUserPasswordChanged;
+            _userManager.UserDeleted -= OnUserDeleted;
+            _userManager.UserPolicyUpdated -= OnUserPolicyUpdated;
+            _userManager.UserLockedOut -= OnUserLockedOut;
 
-            _config.ConfigurationUpdated -= _config_ConfigurationUpdated;
-            _config.NamedConfigurationUpdated -= _config_NamedConfigurationUpdated;
+            _deviceManager.CameraImageUploaded -= OnCameraImageUploaded;
 
-            _deviceManager.CameraImageUploaded -= _deviceManager_CameraImageUploaded;
-
-            _appHost.ApplicationUpdated -= _appHost_ApplicationUpdated;
+            _appHost.ApplicationUpdated -= OnApplicationUpdated;
         }
 
         /// <summary>
@@ -531,6 +483,7 @@ namespace Emby.Server.Implementations.Activity
                 values.Add(CreateValueString(years, "year"));
                 days = days % DaysInYear;
             }
+
             // Number of months
             if (days >= DaysInMonth)
             {
@@ -538,25 +491,39 @@ namespace Emby.Server.Implementations.Activity
                 values.Add(CreateValueString(months, "month"));
                 days = days % DaysInMonth;
             }
+
             // Number of days
             if (days >= 1)
+            {
                 values.Add(CreateValueString(days, "day"));
+            }
+
             // Number of hours
             if (span.Hours >= 1)
+            {
                 values.Add(CreateValueString(span.Hours, "hour"));
+            }
             // Number of minutes
             if (span.Minutes >= 1)
+            {
                 values.Add(CreateValueString(span.Minutes, "minute"));
+            }
+
             // Number of seconds (include when 0 if no other components included)
             if (span.Seconds >= 1 || values.Count == 0)
+            {
                 values.Add(CreateValueString(span.Seconds, "second"));
+            }
 
             // Combine values into string
             var builder = new StringBuilder();
             for (int i = 0; i < values.Count; i++)
             {
                 if (builder.Length > 0)
+                {
                     builder.Append(i == values.Count - 1 ? " and " : ", ");
+                }
+
                 builder.Append(values[i]);
             }
             // Return result

Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs

@@ -17,12 +17,14 @@ namespace Emby.Server.Implementations.AppBase
             string programDataPath,
             string logDirectoryPath,
             string configurationDirectoryPath,
-            string cacheDirectoryPath)
+            string cacheDirectoryPath,
+            string webDirectoryPath)
         {
             ProgramDataPath = programDataPath;
             LogDirectoryPath = logDirectoryPath;
             ConfigurationDirectoryPath = configurationDirectoryPath;
             CachePath = cacheDirectoryPath;
+            WebPath = webDirectoryPath;
 
             DataPath = Path.Combine(ProgramDataPath, "data");
         }
@@ -33,6 +35,12 @@ namespace Emby.Server.Implementations.AppBase
         /// <value>The program data path.</value>
         public string ProgramDataPath { get; private set; }
 
+        /// <summary>
+        /// Gets the path to the web UI resources folder
+        /// </summary>
+        /// <value>The web UI resources path.</value>
+        public string WebPath { get; set; }
+
         /// <summary>
         /// Gets the path to the system folder
         /// </summary>

Emby.Server.Implementations/Collections/CollectionImageProvider.cs

@@ -36,7 +36,7 @@ namespace Emby.Server.Implementations.Collections
             return base.Supports(item);
         }
 
-        protected override List<BaseItem> GetItemsWithImages(BaseItem item)
+        protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
         {
             var playlist = (BoxSet)item;
 
@@ -80,7 +80,7 @@ namespace Emby.Server.Implementations.Collections
                 .ToList();
         }
 
-        protected override string CreateImage(BaseItem item, List<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
+        protected override string CreateImage(BaseItem item, IReadOnlyCollection<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
         {
             return CreateSingleImage(itemsWithImages, outputPathWithoutExtension, ImageType.Primary);
         }

Emby.Server.Implementations/ConfigurationOptions.cs

@@ -6,7 +6,8 @@ namespace Emby.Server.Implementations
     {
         public static readonly Dictionary<string, string> Configuration = new Dictionary<string, string>
         {
-            {"HttpListenerHost:DefaultRedirectPath", "web/index.html"}
+            {"HttpListenerHost:DefaultRedirectPath", "web/index.html"},
+            {"MusicBrainz:BaseUrl", "https://www.musicbrainz.org"}
         };
     }
 }

Emby.Server.Implementations/Cryptography/CryptographyProvider.cs

@@ -1,13 +1,49 @@
 using System;
+using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Security.Cryptography;
 using System.Text;
+using System.Linq;
 using MediaBrowser.Model.Cryptography;
 
 namespace Emby.Server.Implementations.Cryptography
 {
     public class CryptographyProvider : ICryptoProvider
     {
+        private static readonly HashSet<string> _supportedHashMethods = new HashSet<string>()
+            {
+                "MD5",
+                "System.Security.Cryptography.MD5",
+                "SHA",
+                "SHA1",
+                "System.Security.Cryptography.SHA1",
+                "SHA256",
+                "SHA-256",
+                "System.Security.Cryptography.SHA256",
+                "SHA384",
+                "SHA-384",
+                "System.Security.Cryptography.SHA384",
+                "SHA512",
+                "SHA-512",
+                "System.Security.Cryptography.SHA512"
+            };
+
+        public string DefaultHashMethod => "PBKDF2";
+
+        private RandomNumberGenerator _randomNumberGenerator;
+
+        private const int _defaultIterations = 1000;
+
+        public CryptographyProvider()
+        {
+            //FIXME: When we get DotNet Standard 2.1 we need to revisit how we do the crypto
+            //Currently supported hash methods from https://docs.microsoft.com/en-us/dotnet/api/system.security.cryptography.cryptoconfig?view=netcore-2.1
+            //there might be a better way to autogenerate this list as dotnet updates, but I couldn't find one
+            //Please note the default method of PBKDF2 is not included, it cannot be used to generate hashes cleanly as it is actually a pbkdf with sha1
+            _randomNumberGenerator = RandomNumberGenerator.Create();
+        }
+
         public Guid GetMD5(string str)
         {
             return new Guid(ComputeMD5(Encoding.Unicode.GetBytes(str)));
@@ -36,5 +72,98 @@ namespace Emby.Server.Implementations.Cryptography
                 return provider.ComputeHash(bytes);
             }
         }
+
+        public IEnumerable<string> GetSupportedHashMethods()
+        {
+            return _supportedHashMethods;
+        }
+
+        private byte[] PBKDF2(string method, byte[] bytes, byte[] salt, int iterations)
+        {
+            //downgrading for now as we need this library to be dotnetstandard compliant
+            //with this downgrade we'll add a check to make sure we're on the downgrade method at the moment
+            if (method == DefaultHashMethod)
+            {
+                using (var r = new Rfc2898DeriveBytes(bytes, salt, iterations))
+                {
+                    return r.GetBytes(32);
+                }
+            }
+
+            throw new CryptographicException($"Cannot currently use PBKDF2 with requested hash method: {method}");
+        }
+
+        public byte[] ComputeHash(string hashMethod, byte[] bytes)
+        {
+            return ComputeHash(hashMethod, bytes, Array.Empty<byte>());
+        }
+
+        public byte[] ComputeHashWithDefaultMethod(byte[] bytes)
+        {
+            return ComputeHash(DefaultHashMethod, bytes);
+        }
+
+        public byte[] ComputeHash(string hashMethod, byte[] bytes, byte[] salt)
+        {
+            if (hashMethod == DefaultHashMethod)
+            {
+                return PBKDF2(hashMethod, bytes, salt, _defaultIterations);
+            }
+            else if (_supportedHashMethods.Contains(hashMethod))
+            {
+                using (var h = HashAlgorithm.Create(hashMethod))
+                {
+                    if (salt.Length == 0)
+                    {
+                        return h.ComputeHash(bytes);
+                    }
+                    else
+                    {
+                        byte[] salted = new byte[bytes.Length + salt.Length];
+                        Array.Copy(bytes, salted, bytes.Length);
+                        Array.Copy(salt, 0, salted, bytes.Length, salt.Length);
+                        return h.ComputeHash(salted);
+                    }
+                }
+            }
+            else
+            {
+                throw new CryptographicException($"Requested hash method is not supported: {hashMethod}");
+            }
+        }
+
+        public byte[] ComputeHashWithDefaultMethod(byte[] bytes, byte[] salt)
+        {
+            return PBKDF2(DefaultHashMethod, bytes, salt, _defaultIterations);
+        }
+        
+        public byte[] ComputeHash(PasswordHash hash)
+        {
+            int iterations = _defaultIterations;
+            if (!hash.Parameters.ContainsKey("iterations"))
+            {
+                hash.Parameters.Add("iterations", _defaultIterations.ToString(CultureInfo.InvariantCulture));
+            }
+            else
+            {
+                try
+                {
+                    iterations = int.Parse(hash.Parameters["iterations"]);
+                }
+                catch (Exception e)
+                {
+                    throw new InvalidDataException($"Couldn't successfully parse iterations value from string: {hash.Parameters["iterations"]}", e);
+                }
+            }
+
+            return PBKDF2(hash.Id, hash.HashBytes, hash.SaltBytes, iterations);
+        }
+
+        public byte[] GenerateSalt()
+        {
+            byte[] salt = new byte[64];
+            _randomNumberGenerator.GetBytes(salt);
+            return salt;
+        }
     }
 }

Emby.Server.Implementations/Data/SqliteItemRepository.cs

@@ -25,7 +25,6 @@ using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.LiveTv;
 using MediaBrowser.Model.Querying;
-using MediaBrowser.Model.Reflection;
 using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 using SQLitePCL.pretty;
@@ -69,7 +68,6 @@ namespace Emby.Server.Implementations.Data
             IServerApplicationHost appHost,
             IJsonSerializer jsonSerializer,
             ILoggerFactory loggerFactory,
-            IAssemblyInfo assemblyInfo,
             ILocalizationManager localization)
             : base(loggerFactory.CreateLogger(nameof(SqliteItemRepository)))
         {
@@ -86,7 +84,7 @@ namespace Emby.Server.Implementations.Data
             _appHost = appHost;
             _config = config;
             _jsonSerializer = jsonSerializer;
-            _typeMapper = new TypeMapper(assemblyInfo);
+            _typeMapper = new TypeMapper();
             _localization = localization;
 
             DbFilePath = Path.Combine(_config.ApplicationPaths.DataPath, "library.db");

Emby.Server.Implementations/Data/SqliteUserRepository.cs

@@ -55,6 +55,8 @@ namespace Emby.Server.Implementations.Data
                 {
                     TryMigrateToLocalUsersTable(connection);
                 }
+
+                RemoveEmptyPasswordHashes();
             }
         }
 
@@ -73,6 +75,38 @@ namespace Emby.Server.Implementations.Data
             }
         }
 
+        private void RemoveEmptyPasswordHashes()
+        {
+            foreach (var user in RetrieveAllUsers())
+            {
+                // If the user password is the sha1 hash of the empty string, remove it
+                if (!string.Equals(user.Password, "DA39A3EE5E6B4B0D3255BFEF95601890AFD80709", StringComparison.Ordinal)
+                    || !string.Equals(user.Password, "$SHA1$DA39A3EE5E6B4B0D3255BFEF95601890AFD80709", StringComparison.Ordinal))
+                {
+                    continue;
+                }
+
+                user.Password = null;
+                var serialized = _jsonSerializer.SerializeToBytes(user);
+
+                using (WriteLock.Write())
+                using (var connection = CreateConnection())
+                {
+                    connection.RunInTransaction(db =>
+                    {
+                        using (var statement = db.PrepareStatement("update LocalUsersv2 set data=@data where Id=@InternalId"))
+                        {
+                            statement.TryBind("@InternalId", user.InternalId);
+                            statement.TryBind("@data", serialized);
+                            statement.MoveNext();
+                        }
+
+                    }, TransactionMode);
+                }
+            }
+
+        }
+
         /// <summary>
         /// Save a user in the repo
         /// </summary>

Emby.Server.Implementations/Data/TypeMapper.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Concurrent;
 using System.Linq;
-using MediaBrowser.Model.Reflection;
 
 namespace Emby.Server.Implementations.Data
 {
@@ -10,16 +9,13 @@ namespace Emby.Server.Implementations.Data
     /// </summary>
     public class TypeMapper
     {
-        private readonly IAssemblyInfo _assemblyInfo;
-
         /// <summary>
         /// This holds all the types in the running assemblies so that we can de-serialize properly when we don't have strong types
         /// </summary>
         private readonly ConcurrentDictionary<string, Type> _typeMap = new ConcurrentDictionary<string, Type>();
 
-        public TypeMapper(IAssemblyInfo assemblyInfo)
+        public TypeMapper()
         {
-            _assemblyInfo = assemblyInfo;
         }
 
         /// <summary>
@@ -45,8 +41,7 @@ namespace Emby.Server.Implementations.Data
         /// <returns>Type.</returns>
         private Type LookupType(string typeName)
         {
-            return _assemblyInfo
-                .GetCurrentAssemblies()
+            return AppDomain.CurrentDomain.GetAssemblies()
                 .Select(a => a.GetType(typeName))
                 .FirstOrDefault(t => t != null);
         }

Emby.Server.Implementations/Diagnostics/CommonProcess.cs

@@ -9,14 +9,14 @@ namespace Emby.Server.Implementations.Diagnostics
 {
     public class CommonProcess : IProcess
     {
-        public event EventHandler Exited;
-
-        private readonly ProcessOptions _options;
         private readonly Process _process;
 
+        private bool _disposed = false;
+        private bool _hasExited;
+
         public CommonProcess(ProcessOptions options)
         {
-            _options = options;
+            StartInfo = options;
 
             var startInfo = new ProcessStartInfo
             {
@@ -27,10 +27,10 @@ namespace Emby.Server.Implementations.Diagnostics
                 CreateNoWindow = options.CreateNoWindow,
                 RedirectStandardError = options.RedirectStandardError,
                 RedirectStandardInput = options.RedirectStandardInput,
-                RedirectStandardOutput = options.RedirectStandardOutput
+                RedirectStandardOutput = options.RedirectStandardOutput,
+                ErrorDialog = options.ErrorDialog
             };
 
-            startInfo.ErrorDialog = options.ErrorDialog;
 
             if (options.IsHidden)
             {
@@ -45,11 +45,22 @@ namespace Emby.Server.Implementations.Diagnostics
             if (options.EnableRaisingEvents)
             {
                 _process.EnableRaisingEvents = true;
-                _process.Exited += _process_Exited;
+                _process.Exited += OnProcessExited;
             }
         }
 
-        private bool _hasExited;
+        public event EventHandler Exited;
+
+        public ProcessOptions StartInfo { get; }
+
+        public StreamWriter StandardInput => _process.StandardInput;
+
+        public StreamReader StandardError => _process.StandardError;
+
+        public StreamReader StandardOutput => _process.StandardOutput;
+
+        public int ExitCode => _process.ExitCode;
+
         private bool HasExited
         {
             get
@@ -72,25 +83,6 @@ namespace Emby.Server.Implementations.Diagnostics
             }
         }
 
-        private void _process_Exited(object sender, EventArgs e)
-        {
-            _hasExited = true;
-            if (Exited != null)
-            {
-                Exited(this, e);
-            }
-        }
-
-        public ProcessOptions StartInfo => _options;
-
-        public StreamWriter StandardInput => _process.StandardInput;
-
-        public StreamReader StandardError => _process.StandardError;
-
-        public StreamReader StandardOutput => _process.StandardOutput;
-
-        public int ExitCode => _process.ExitCode;
-
         public void Start()
         {
             _process.Start();
@@ -108,7 +100,7 @@ namespace Emby.Server.Implementations.Diagnostics
 
         public Task<bool> WaitForExitAsync(int timeMs)
         {
-            //Note: For this function to work correctly, the option EnableRisingEvents needs to be set to true.
+            // Note: For this function to work correctly, the option EnableRisingEvents needs to be set to true.
 
             if (HasExited)
             {
@@ -130,7 +122,29 @@ namespace Emby.Server.Implementations.Diagnostics
 
         public void Dispose()
         {
-            _process.Dispose();
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            if (disposing)
+            {
+                _process?.Dispose();
+            }
+
+            _disposed = true;
+        }
+
+        private void OnProcessExited(object sender, EventArgs e)
+        {
+            _hasExited = true;
+            Exited?.Invoke(this, e);
         }
     }
 }

Emby.Server.Implementations/Emby.Server.Implementations.csproj

@@ -9,12 +9,10 @@
     <ProjectReference Include="..\MediaBrowser.Providers\MediaBrowser.Providers.csproj" />
     <ProjectReference Include="..\MediaBrowser.WebDashboard\MediaBrowser.WebDashboard.csproj" />
     <ProjectReference Include="..\MediaBrowser.XbmcMetadata\MediaBrowser.XbmcMetadata.csproj" />
-    <ProjectReference Include="..\SocketHttpListener\SocketHttpListener.csproj" />
     <ProjectReference Include="..\Emby.Dlna\Emby.Dlna.csproj" />
     <ProjectReference Include="..\Mono.Nat\Mono.Nat.csproj" />
     <ProjectReference Include="..\MediaBrowser.Api\MediaBrowser.Api.csproj" />
     <ProjectReference Include="..\MediaBrowser.LocalMetadata\MediaBrowser.LocalMetadata.csproj" />
-    <ProjectReference Include="..\OpenSubtitlesHandler\OpenSubtitlesHandler.csproj" />
     <ProjectReference Include="..\Emby.Photos\Emby.Photos.csproj" />
     <ProjectReference Include="..\Emby.Drawing\Emby.Drawing.csproj" />
     <ProjectReference Include="..\Emby.XmlTv\Emby.XmlTv\Emby.XmlTv.csproj" />
@@ -22,6 +20,14 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Hosting.Server.Abstractions" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Http.Extensions" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.ResponseCompression" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.2.1" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="2.2.0" />
@@ -40,6 +46,21 @@
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
 
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+  </PropertyGroup>
+
+  <!-- Code analysers-->
+  <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.6.3" />
+    <PackageReference Include="StyleCop.Analyzers" Version="1.0.2" />
+    <PackageReference Include="SerilogAnalyzer" Version="0.15.0" />
+  </ItemGroup>
+
+  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
+    <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+
   <ItemGroup>
     <EmbeddedResource Include="Localization\iso6392.txt" />
     <EmbeddedResource Include="Localization\countries.json" />

Emby.Server.Implementations/EnvironmentInfo/EnvironmentInfo.cs

@@ -1,36 +0,0 @@
-using System;
-using System.Runtime.InteropServices;
-using MediaBrowser.Model.System;
-
-namespace Emby.Server.Implementations.EnvironmentInfo
-{
-    public class EnvironmentInfo : IEnvironmentInfo
-    {
-        public EnvironmentInfo(MediaBrowser.Model.System.OperatingSystem operatingSystem)
-        {
-            OperatingSystem = operatingSystem;
-        }
-
-        public MediaBrowser.Model.System.OperatingSystem OperatingSystem { get; private set; }
-
-        public string OperatingSystemName
-        {
-            get
-            {
-                switch (OperatingSystem)
-                {
-                    case MediaBrowser.Model.System.OperatingSystem.Android: return "Android";
-                    case MediaBrowser.Model.System.OperatingSystem.BSD: return "BSD";
-                    case MediaBrowser.Model.System.OperatingSystem.Linux: return "Linux";
-                    case MediaBrowser.Model.System.OperatingSystem.OSX: return "macOS";
-                    case MediaBrowser.Model.System.OperatingSystem.Windows: return "Windows";
-                    default: throw new Exception($"Unknown OS {OperatingSystem}");
-                }
-            }
-        }
-
-        public string OperatingSystemVersion => Environment.OSVersion.Version.ToString() + " " + Environment.OSVersion.ServicePack.ToString();
-
-        public Architecture SystemArchitecture => RuntimeInformation.OSArchitecture;
-    }
-}

Emby.Server.Implementations/FFMpeg/FFMpegInfo.cs

@@ -1,24 +0,0 @@
-namespace Emby.Server.Implementations.FFMpeg
-{
-    /// <summary>
-    /// Class FFMpegInfo
-    /// </summary>
-    public class FFMpegInfo
-    {
-        /// <summary>
-        /// Gets or sets the path.
-        /// </summary>
-        /// <value>The path.</value>
-        public string EncoderPath { get; set; }
-        /// <summary>
-        /// Gets or sets the probe path.
-        /// </summary>
-        /// <value>The probe path.</value>
-        public string ProbePath { get; set; }
-        /// <summary>
-        /// Gets or sets the version.
-        /// </summary>
-        /// <value>The version.</value>
-        public string Version { get; set; }
-    }
-}

Emby.Server.Implementations/FFMpeg/FFMpegInstallInfo.cs

@@ -1,17 +0,0 @@
-namespace Emby.Server.Implementations.FFMpeg
-{
-    public class FFMpegInstallInfo
-    {
-        public string Version { get; set; }
-        public string FFMpegFilename { get; set; }
-        public string FFProbeFilename { get; set; }
-        public string ArchiveType { get; set; }
-
-        public FFMpegInstallInfo()
-        {
-            Version = "Path";
-            FFMpegFilename = "ffmpeg";
-            FFProbeFilename = "ffprobe";
-        }
-    }
-}

Emby.Server.Implementations/FFMpeg/FFMpegLoader.cs

@@ -1,132 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using MediaBrowser.Common.Configuration;
-using MediaBrowser.Model.IO;
-
-namespace Emby.Server.Implementations.FFMpeg
-{
-    public class FFMpegLoader
-    {
-        private readonly IApplicationPaths _appPaths;
-        private readonly IFileSystem _fileSystem;
-        private readonly FFMpegInstallInfo _ffmpegInstallInfo;
-
-        public FFMpegLoader(IApplicationPaths appPaths, IFileSystem fileSystem, FFMpegInstallInfo ffmpegInstallInfo)
-        {
-            _appPaths = appPaths;
-            _fileSystem = fileSystem;
-            _ffmpegInstallInfo = ffmpegInstallInfo;
-        }
-
-        public FFMpegInfo GetFFMpegInfo(IStartupOptions options)
-        {
-            var customffMpegPath = options.FFmpegPath;
-            var customffProbePath = options.FFprobePath;
-
-            if (!string.IsNullOrWhiteSpace(customffMpegPath) && !string.IsNullOrWhiteSpace(customffProbePath))
-            {
-                return new FFMpegInfo
-                {
-                    ProbePath = customffProbePath,
-                    EncoderPath = customffMpegPath,
-                    Version = "external"
-                };
-            }
-
-            var downloadInfo = _ffmpegInstallInfo;
-
-            var prebuiltFolder = _appPaths.ProgramSystemPath;
-            var prebuiltffmpeg = Path.Combine(prebuiltFolder, downloadInfo.FFMpegFilename);
-            var prebuiltffprobe = Path.Combine(prebuiltFolder, downloadInfo.FFProbeFilename);
-            if (File.Exists(prebuiltffmpeg) && File.Exists(prebuiltffprobe))
-            {
-                return new FFMpegInfo
-                {
-                    ProbePath = prebuiltffprobe,
-                    EncoderPath = prebuiltffmpeg,
-                    Version = "external"
-                };
-            }
-
-            var version = downloadInfo.Version;
-
-            if (string.Equals(version, "0", StringComparison.OrdinalIgnoreCase))
-            {
-                return new FFMpegInfo();
-            }
-
-            var rootEncoderPath = Path.Combine(_appPaths.ProgramDataPath, "ffmpeg");
-            var versionedDirectoryPath = Path.Combine(rootEncoderPath, version);
-
-            var info = new FFMpegInfo
-            {
-                ProbePath = Path.Combine(versionedDirectoryPath, downloadInfo.FFProbeFilename),
-                EncoderPath = Path.Combine(versionedDirectoryPath, downloadInfo.FFMpegFilename),
-                Version = version
-            };
-
-            Directory.CreateDirectory(versionedDirectoryPath);
-
-            var excludeFromDeletions = new List<string> { versionedDirectoryPath };
-
-            if (!File.Exists(info.ProbePath) || !File.Exists(info.EncoderPath))
-            {
-                // ffmpeg not present. See if there's an older version we can start with
-                var existingVersion = GetExistingVersion(info, rootEncoderPath);
-
-                // No older version. Need to download and block until complete
-                if (existingVersion == null)
-                {
-                    return new FFMpegInfo();
-                }
-                else
-                {
-                    info = existingVersion;
-                    versionedDirectoryPath = Path.GetDirectoryName(info.EncoderPath);
-                    excludeFromDeletions.Add(versionedDirectoryPath);
-                }
-            }
-
-            // Allow just one of these to be overridden, if desired.
-            if (!string.IsNullOrWhiteSpace(customffMpegPath))
-            {
-                info.EncoderPath = customffMpegPath;
-            }
-            if (!string.IsNullOrWhiteSpace(customffProbePath))
-            {
-                info.ProbePath = customffProbePath;
-            }
-
-            return info;
-        }
-
-        private FFMpegInfo GetExistingVersion(FFMpegInfo info, string rootEncoderPath)
-        {
-            var encoderFilename = Path.GetFileName(info.EncoderPath);
-            var probeFilename = Path.GetFileName(info.ProbePath);
-
-            foreach (var directory in _fileSystem.GetDirectoryPaths(rootEncoderPath))
-            {
-                var allFiles = _fileSystem.GetFilePaths(directory, true).ToList();
-
-                var encoder = allFiles.FirstOrDefault(i => string.Equals(Path.GetFileName(i), encoderFilename, StringComparison.OrdinalIgnoreCase));
-                var probe = allFiles.FirstOrDefault(i => string.Equals(Path.GetFileName(i), probeFilename, StringComparison.OrdinalIgnoreCase));
-
-                if (!string.IsNullOrWhiteSpace(encoder) &&
-                    !string.IsNullOrWhiteSpace(probe))
-                {
-                    return new FFMpegInfo
-                    {
-                        EncoderPath = encoder,
-                        ProbePath = probe,
-                        Version = Path.GetFileName(Path.GetDirectoryName(probe))
-                    };
-                }
-            }
-
-            return null;
-        }
-    }
-}

Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs

@@ -15,6 +15,7 @@ using MediaBrowser.Common.Net;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Net;
 using Microsoft.Extensions.Logging;
+using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.HttpClientManager
 {
@@ -179,11 +180,11 @@ namespace Emby.Server.Implementations.HttpClientManager
 
             foreach (var header in options.RequestHeaders)
             {
-                if (string.Equals(header.Key, "Accept", StringComparison.OrdinalIgnoreCase))
+                if (string.Equals(header.Key, HeaderNames.Accept, StringComparison.OrdinalIgnoreCase))
                 {
                     request.Accept = header.Value;
                 }
-                else if (string.Equals(header.Key, "User-Agent", StringComparison.OrdinalIgnoreCase))
+                else if (string.Equals(header.Key, HeaderNames.UserAgent, StringComparison.OrdinalIgnoreCase))
                 {
                     SetUserAgent(request, header.Value);
                     hasUserAgent = true;
@@ -327,7 +328,6 @@ namespace Emby.Server.Implementations.HttpClientManager
                     }
 
                     httpWebRequest.ContentType = contentType;
-                    httpWebRequest.ContentLength = bytes.Length;
                     (await httpWebRequest.GetRequestStreamAsync().ConfigureAwait(false)).Write(bytes, 0, bytes.Length);
                 }
                 catch (Exception ex)

Emby.Server.Implementations/HttpServer/FileWriter.cs

@@ -5,15 +5,19 @@ using System.Linq;
 using System.Net;
 using System.Threading;
 using System.Threading.Tasks;
+using Emby.Server.Implementations.IO;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Services;
 using Microsoft.Extensions.Logging;
+using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.HttpServer
 {
     public class FileWriter : IHttpResult
     {
+        private readonly IStreamHelper _streamHelper;
         private ILogger Logger { get; set; }
+        private readonly IFileSystem _fileSystem;
 
         private string RangeHeader { get; set; }
         private bool IsHeadRequest { get; set; }
@@ -42,25 +46,27 @@ namespace Emby.Server.Implementations.HttpServer
 
         public string Path { get; set; }
 
-        public FileWriter(string path, string contentType, string rangeHeader, ILogger logger, IFileSystem fileSystem)
+        public FileWriter(string path, string contentType, string rangeHeader, ILogger logger, IFileSystem fileSystem, IStreamHelper streamHelper)
         {
             if (string.IsNullOrEmpty(contentType))
             {
                 throw new ArgumentNullException(nameof(contentType));
             }
 
+            _streamHelper = streamHelper;
+            _fileSystem = fileSystem;
+
             Path = path;
             Logger = logger;
             RangeHeader = rangeHeader;
 
-            Headers["Content-Type"] = contentType;
+            Headers[HeaderNames.ContentType] = contentType;
 
             TotalContentLength = fileSystem.GetFileInfo(path).Length;
-            Headers["Accept-Ranges"] = "bytes";
+            Headers[HeaderNames.AcceptRanges] = "bytes";
 
             if (string.IsNullOrWhiteSpace(rangeHeader))
             {
-                Headers["Content-Length"] = TotalContentLength.ToString(UsCulture);
                 StatusCode = HttpStatusCode.OK;
             }
             else
@@ -93,13 +99,10 @@ namespace Emby.Server.Implementations.HttpServer
             RangeStart = requestedRange.Key;
             RangeLength = 1 + RangeEnd - RangeStart;
 
-            // Content-Length is the length of what we're serving, not the original content
-            var lengthString = RangeLength.ToString(UsCulture);
-            Headers["Content-Length"] = lengthString;
-            var rangeString = string.Format("bytes {0}-{1}/{2}", RangeStart, RangeEnd, TotalContentLength);
-            Headers["Content-Range"] = rangeString;
+            var rangeString = $"bytes {RangeStart}-{RangeEnd}/{TotalContentLength}";
+            Headers[HeaderNames.ContentRange] = rangeString;
 
-            Logger.LogInformation("Setting range response values for {0}. RangeRequest: {1} Content-Length: {2}, Content-Range: {3}", Path, RangeHeader, lengthString, rangeString);
+            Logger.LogInformation("Setting range response values for {0}. RangeRequest: {1} Content-Range: {2}", Path, RangeHeader, rangeString);
         }
 
         /// <summary>
@@ -145,8 +148,7 @@ namespace Emby.Server.Implementations.HttpServer
             }
         }
 
-        private string[] SkipLogExtensions = new string[]
-        {
+        private static readonly string[] SkipLogExtensions = {
             ".js",
             ".html",
             ".css"
@@ -163,8 +165,10 @@ namespace Emby.Server.Implementations.HttpServer
                 }
 
                 var path = Path;
+                var offset = RangeStart;
+                var count = RangeLength;
 
-                if (string.IsNullOrWhiteSpace(RangeHeader) || (RangeStart <= 0 && RangeEnd >= TotalContentLength - 1))
+                if (string.IsNullOrWhiteSpace(RangeHeader) || RangeStart <= 0 && RangeEnd >= TotalContentLength - 1)
                 {
                     var extension = System.IO.Path.GetExtension(path);
 
@@ -173,20 +177,15 @@ namespace Emby.Server.Implementations.HttpServer
                         Logger.LogDebug("Transmit file {0}", path);
                     }
 
-                    //var count = FileShare == FileShareMode.ReadWrite ? TotalContentLength : 0;
-
-                    await response.TransmitFile(path, 0, 0, FileShare, cancellationToken).ConfigureAwait(false);
-                    return;
+                    offset = 0;
+                    count = 0;
                 }
 
-                await response.TransmitFile(path, RangeStart, RangeLength, FileShare, cancellationToken).ConfigureAwait(false);
+                await response.TransmitFile(path, offset, count, FileShare, _fileSystem, _streamHelper, cancellationToken).ConfigureAwait(false);
             }
             finally
             {
-                if (OnComplete != null)
-                {
-                    OnComplete();
-                }
+                OnComplete?.Invoke();
             }
         }
 
@@ -203,8 +202,5 @@ namespace Emby.Server.Implementations.HttpServer
             get => (HttpStatusCode)Status;
             set => Status = (int)value;
         }
-
-        public string StatusDescription { get; set; }
-
     }
 }

Emby.Server.Implementations/HttpServer/HttpListenerHost.cs

@@ -11,6 +11,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Emby.Server.Implementations.Net;
 using Emby.Server.Implementations.Services;
+using Emby.Server.Implementations.SocketSharp;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
@@ -20,6 +21,9 @@ using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Internal;
+using Microsoft.AspNetCore.WebUtilities;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 using ServiceStack.Text.Jsv;
@@ -29,12 +33,8 @@ namespace Emby.Server.Implementations.HttpServer
     public class HttpListenerHost : IHttpServer, IDisposable
     {
         private string DefaultRedirectPath { get; set; }
-
-        private readonly ILogger _logger;
         public string[] UrlPrefixes { get; private set; }
 
-        private IHttpListener _listener;
-
         public event EventHandler<GenericEventArgs<IWebSocketConnection>> WebSocketConnected;
 
         private readonly IServerConfigurationManager _config;
@@ -42,6 +42,7 @@ namespace Emby.Server.Implementations.HttpServer
         private readonly IServerApplicationHost _appHost;
         private readonly IJsonSerializer _jsonSerializer;
         private readonly IXmlSerializer _xmlSerializer;
+        private readonly IHttpListener _socketListener;
         private readonly Func<Type, Func<string, object>> _funcParseFn;
 
         public Action<IRequest, IResponse, object>[] ResponseFilters { get; set; }
@@ -59,15 +60,18 @@ namespace Emby.Server.Implementations.HttpServer
             IConfiguration configuration,
             INetworkManager networkManager,
             IJsonSerializer jsonSerializer,
-            IXmlSerializer xmlSerializer)
+            IXmlSerializer xmlSerializer,
+            IHttpListener socketListener)
         {
             _appHost = applicationHost;
-            _logger = loggerFactory.CreateLogger("HttpServer");
+            Logger = loggerFactory.CreateLogger("HttpServer");
             _config = config;
             DefaultRedirectPath = configuration["HttpListenerHost:DefaultRedirectPath"];
             _networkManager = networkManager;
             _jsonSerializer = jsonSerializer;
             _xmlSerializer = xmlSerializer;
+            _socketListener = socketListener;
+            _socketListener.WebSocketConnected = OnWebSocketConnected;
 
             _funcParseFn = t => s => JsvReader.GetParseFn(t)(s);
 
@@ -77,7 +81,7 @@ namespace Emby.Server.Implementations.HttpServer
 
         public string GlobalResponse { get; set; }
 
-        protected ILogger Logger => _logger;
+        protected ILogger Logger { get; }
 
         public object CreateInstance(Type type)
         {
@@ -143,11 +147,11 @@ namespace Emby.Server.Implementations.HttpServer
                 return;
             }
 
-            var connection = new WebSocketConnection(e.WebSocket, e.Endpoint, _jsonSerializer, _logger)
+            var connection = new WebSocketConnection(e.WebSocket, e.Endpoint, _jsonSerializer, Logger)
             {
                 OnReceive = ProcessWebSocketMessageReceived,
                 Url = e.Url,
-                QueryString = e.QueryString ?? new QueryParamCollection()
+                QueryString = e.QueryString ?? new QueryCollection()
             };
 
             connection.Closed += Connection_Closed;
@@ -212,16 +216,16 @@ namespace Emby.Server.Implementations.HttpServer
 
                 if (logExceptionStackTrace)
                 {
-                    _logger.LogError(ex, "Error processing request");
+                    Logger.LogError(ex, "Error processing request");
                 }
                 else if (logExceptionMessage)
                 {
-                    _logger.LogError(ex.Message);
+                    Logger.LogError(ex.Message);
                 }
 
                 var httpRes = httpReq.Response;
 
-                if (httpRes.IsClosed)
+                if (httpRes.OriginalResponse.HasStarted)
                 {
                     return;
                 }
@@ -234,7 +238,7 @@ namespace Emby.Server.Implementations.HttpServer
             }
             catch (Exception errorEx)
             {
-                _logger.LogError(errorEx, "Error this.ProcessRequest(context)(Exception while writing error to the response)");
+                Logger.LogError(errorEx, "Error this.ProcessRequest(context)(Exception while writing error to the response)");
             }
         }
 
@@ -277,14 +281,6 @@ namespace Emby.Server.Implementations.HttpServer
 
                 }
             }
-
-            if (_listener != null)
-            {
-                _logger.LogInformation("Stopping HttpListener...");
-                var task = _listener.Stop();
-                Task.WaitAll(task);
-                _logger.LogInformation("HttpListener stopped");
-            }
         }
 
         public static string RemoveQueryStringByKey(string url, string key)
@@ -292,7 +288,7 @@ namespace Emby.Server.Implementations.HttpServer
             var uri = new Uri(url);
 
             // this gets all the query string key value pairs as a collection
-            var newQueryString = MyHttpUtility.ParseQueryString(uri.Query);
+            var newQueryString = QueryHelpers.ParseQuery(uri.Query);
 
             var originalCount = newQueryString.Count;
 
@@ -313,7 +309,7 @@ namespace Emby.Server.Implementations.HttpServer
             string pagePathWithoutQueryString = url.Split(new[] { '?' }, StringSplitOptions.RemoveEmptyEntries)[0];
 
             return newQueryString.Count > 0
-                ? string.Format("{0}?{1}", pagePathWithoutQueryString, newQueryString)
+                ? QueryHelpers.AddQueryString(pagePathWithoutQueryString, newQueryString.ToDictionary(kv => kv.Key, kv => kv.Value.ToString()))
                 : pagePathWithoutQueryString;
         }
 
@@ -422,7 +418,7 @@ namespace Emby.Server.Implementations.HttpServer
         /// <summary>
         /// Overridable method that can be used to implement a custom hnandler
         /// </summary>
-        protected async Task RequestHandler(IHttpRequest httpReq, string urlString, string host, string localPath, CancellationToken cancellationToken)
+        public async Task RequestHandler(IHttpRequest httpReq, string urlString, string host, string localPath, CancellationToken cancellationToken)
         {
             var stopWatch = new Stopwatch();
             stopWatch.Start();
@@ -599,17 +595,15 @@ namespace Emby.Server.Implementations.HttpServer
             }
             finally
             {
-                httpRes.Close();
-
                 stopWatch.Stop();
                 var elapsed = stopWatch.Elapsed;
                 if (elapsed.TotalMilliseconds > 500)
                 {
-                    _logger.LogWarning("HTTP Response {StatusCode} to {RemoteIp}. Time (slow): {Elapsed:g}. {Url}", httpRes.StatusCode, remoteIp, elapsed, urlToLog);
+                    Logger.LogWarning("HTTP Response {StatusCode} to {RemoteIp}. Time (slow): {Elapsed:g}. {Url}", httpRes.StatusCode, remoteIp, elapsed, urlToLog);
                 }
                 else
                 {
-                    _logger.LogDebug("HTTP Response {StatusCode} to {RemoteIp}. Time: {Elapsed:g}. {Url}", httpRes.StatusCode, remoteIp, elapsed, urlToLog);
+                    Logger.LogDebug("HTTP Response {StatusCode} to {RemoteIp}. Time: {Elapsed:g}. {Url}", httpRes.StatusCode, remoteIp, elapsed, urlToLog);
                 }
             }
         }
@@ -622,7 +616,7 @@ namespace Emby.Server.Implementations.HttpServer
             var pathParts = pathInfo.TrimStart('/').Split('/');
             if (pathParts.Length == 0)
             {
-                _logger.LogError("Path parts empty for PathInfo: {PathInfo}, Url: {RawUrl}", pathInfo, httpReq.RawUrl);
+                Logger.LogError("Path parts empty for PathInfo: {PathInfo}, Url: {RawUrl}", pathInfo, httpReq.RawUrl);
                 return null;
             }
 
@@ -636,15 +630,13 @@ namespace Emby.Server.Implementations.HttpServer
                 };
             }
 
-            _logger.LogError("Could not find handler for {PathInfo}", pathInfo);
+            Logger.LogError("Could not find handler for {PathInfo}", pathInfo);
             return null;
         }
 
         private static Task Write(IResponse response, string text)
         {
             var bOutput = Encoding.UTF8.GetBytes(text);
-            response.SetContentLength(bOutput.Length);
-
             return response.OutputStream.WriteAsync(bOutput, 0, bOutput.Length);
         }
 
@@ -663,6 +655,7 @@ namespace Emby.Server.Implementations.HttpServer
             }
             else
             {
+                // TODO what is this?
                 var httpsUrl = url
                     .Replace("http://", "https://", StringComparison.OrdinalIgnoreCase)
                     .Replace(":" + _config.Configuration.PublicPort.ToString(CultureInfo.InvariantCulture), ":" + _config.Configuration.PublicHttpsPort.ToString(CultureInfo.InvariantCulture), StringComparison.OrdinalIgnoreCase);
@@ -683,13 +676,15 @@ namespace Emby.Server.Implementations.HttpServer
         /// Adds the rest handlers.
         /// </summary>
         /// <param name="services">The services.</param>
-        public void Init(IEnumerable<IService> services, IEnumerable<IWebSocketListener> listeners)
+        /// <param name="listeners"></param>
+        /// <param name="urlPrefixes"></param>
+        public void Init(IEnumerable<IService> services, IEnumerable<IWebSocketListener> listeners, IEnumerable<string> urlPrefixes)
         {
             _webSocketListeners = listeners.ToArray();
-
+            UrlPrefixes = urlPrefixes.ToArray();
             ServiceController = new ServiceController();
 
-            _logger.LogInformation("Calling ServiceStack AppHost.Init");
+            Logger.LogInformation("Calling ServiceStack AppHost.Init");
 
             var types = services.Select(r => r.GetType()).ToArray();
 
@@ -697,7 +692,7 @@ namespace Emby.Server.Implementations.HttpServer
 
             ResponseFilters = new Action<IRequest, IResponse, object>[]
             {
-                new ResponseFilter(_logger).FilterResponse
+                new ResponseFilter(Logger).FilterResponse
             };
         }
 
@@ -759,8 +754,12 @@ namespace Emby.Server.Implementations.HttpServer
             return _jsonSerializer.DeserializeFromStreamAsync(stream, type);
         }
 
-        //TODO Add Jellyfin Route Path Normalizer
+        public Task ProcessWebSocketRequest(HttpContext context)
+        {
+            return _socketListener.ProcessWebSocketRequest(context);
+        }
 
+        //TODO Add Jellyfin Route Path Normalizer
         private static string NormalizeEmbyRoutePath(string path)
         {
             if (path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
@@ -793,6 +792,7 @@ namespace Emby.Server.Implementations.HttpServer
 
         private bool _disposed;
         private readonly object _disposeLock = new object();
+
         protected virtual void Dispose(bool disposing)
         {
             if (_disposed) return;
@@ -821,7 +821,7 @@ namespace Emby.Server.Implementations.HttpServer
                 return Task.CompletedTask;
             }
 
-            _logger.LogDebug("Websocket message received: {0}", result.MessageType);
+            Logger.LogDebug("Websocket message received: {0}", result.MessageType);
 
             var tasks = _webSocketListeners.Select(i => Task.Run(async () =>
             {
@@ -831,7 +831,7 @@ namespace Emby.Server.Implementations.HttpServer
                 }
                 catch (Exception ex)
                 {
-                    _logger.LogError(ex, "{0} failed processing WebSocket message {1}", i.GetType().Name, result.MessageType ?? string.Empty);
+                    Logger.LogError(ex, "{0} failed processing WebSocket message {1}", i.GetType().Name, result.MessageType ?? string.Empty);
                 }
             }));
 
@@ -842,18 +842,5 @@ namespace Emby.Server.Implementations.HttpServer
         {
             Dispose(true);
         }
-
-        public void StartServer(string[] urlPrefixes, IHttpListener httpListener)
-        {
-            UrlPrefixes = urlPrefixes;
-
-            _listener = httpListener;
-
-            _listener.WebSocketConnected = OnWebSocketConnected;
-            _listener.ErrorHandler = ErrorHandler;
-            _listener.RequestHandler = RequestHandler;
-
-            _listener.Start(UrlPrefixes);
-        }
     }
 }

Emby.Server.Implementations/HttpServer/HttpResultFactory.cs

@@ -16,6 +16,8 @@ using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Services;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Primitives;
+using Microsoft.Net.Http.Headers;
 using IRequest = MediaBrowser.Model.Services.IRequest;
 using MimeTypes = MediaBrowser.Model.Net.MimeTypes;
 
@@ -32,17 +34,16 @@ namespace Emby.Server.Implementations.HttpServer
         private readonly ILogger _logger;
         private readonly IFileSystem _fileSystem;
         private readonly IJsonSerializer _jsonSerializer;
-
-        private IBrotliCompressor _brotliCompressor;
+        private readonly IStreamHelper _streamHelper;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="HttpResultFactory" /> class.
         /// </summary>
-        public HttpResultFactory(ILoggerFactory loggerfactory, IFileSystem fileSystem, IJsonSerializer jsonSerializer, IBrotliCompressor brotliCompressor)
+        public HttpResultFactory(ILoggerFactory loggerfactory, IFileSystem fileSystem, IJsonSerializer jsonSerializer, IStreamHelper streamHelper)
         {
             _fileSystem = fileSystem;
             _jsonSerializer = jsonSerializer;
-            _brotliCompressor = brotliCompressor;
+            _streamHelper = streamHelper;
             _logger = loggerfactory.CreateLogger("HttpResultFactory");
         }
 
@@ -76,7 +77,7 @@ namespace Emby.Server.Implementations.HttpServer
         public object GetRedirectResult(string url)
         {
             var responseHeaders = new Dictionary<string, string>();
-            responseHeaders["Location"] = url;
+            responseHeaders[HeaderNames.Location] = url;
 
             var result = new HttpResult(Array.Empty<byte>(), "text/plain", HttpStatusCode.Redirect);
 
@@ -97,9 +98,9 @@ namespace Emby.Server.Implementations.HttpServer
                 responseHeaders = new Dictionary<string, string>();
             }
 
-            if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string expires))
+            if (addCachePrevention && !responseHeaders.TryGetValue(HeaderNames.Expires, out string expires))
             {
-                responseHeaders["Expires"] = "-1";
+                responseHeaders[HeaderNames.Expires] = "-1";
             }
 
             AddResponseHeaders(result, responseHeaders);
@@ -131,7 +132,7 @@ namespace Emby.Server.Implementations.HttpServer
                     content = Array.Empty<byte>();
                 }
 
-                result = new StreamWriter(content, contentType, contentLength);
+                result = new StreamWriter(content, contentType);
             }
             else
             {
@@ -143,9 +144,9 @@ namespace Emby.Server.Implementations.HttpServer
                 responseHeaders = new Dictionary<string, string>();
             }
 
-            if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string _))
+            if (addCachePrevention && !responseHeaders.TryGetValue(HeaderNames.Expires, out string _))
             {
-                responseHeaders["Expires"] = "-1";
+                responseHeaders[HeaderNames.Expires] = "-1";
             }
 
             AddResponseHeaders(result, responseHeaders);
@@ -175,7 +176,7 @@ namespace Emby.Server.Implementations.HttpServer
                     bytes = Array.Empty<byte>();
                 }
 
-                result = new StreamWriter(bytes, contentType, contentLength);
+                result = new StreamWriter(bytes, contentType);
             }
             else
             {
@@ -187,9 +188,9 @@ namespace Emby.Server.Implementations.HttpServer
                 responseHeaders = new Dictionary<string, string>();
             }
 
-            if (addCachePrevention && !responseHeaders.TryGetValue("Expires", out string _))
+            if (addCachePrevention && !responseHeaders.TryGetValue(HeaderNames.Expires, out string _))
             {
-                responseHeaders["Expires"] = "-1";
+                responseHeaders[HeaderNames.Expires] = "-1";
             }
 
             AddResponseHeaders(result, responseHeaders);
@@ -214,7 +215,7 @@ namespace Emby.Server.Implementations.HttpServer
                 responseHeaders = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
             }
 
-            responseHeaders["Expires"] = "-1";
+            responseHeaders[HeaderNames.Expires] = "-1";
 
             return ToOptimizedResultInternal(requestContext, result, responseHeaders);
         }
@@ -246,9 +247,9 @@ namespace Emby.Server.Implementations.HttpServer
 
         private static string GetCompressionType(IRequest request)
         {
-            var acceptEncoding = request.Headers["Accept-Encoding"];
+            var acceptEncoding = request.Headers[HeaderNames.AcceptEncoding].ToString();
 
-            if (acceptEncoding != null)
+            if (string.IsNullOrEmpty(acceptEncoding))
             {
                 //if (_brotliCompressor != null && acceptEncoding.IndexOf("br", StringComparison.OrdinalIgnoreCase) != -1)
                 //    return "br";
@@ -326,21 +327,21 @@ namespace Emby.Server.Implementations.HttpServer
             }
 
             content = Compress(content, requestedCompressionType);
-            responseHeaders["Content-Encoding"] = requestedCompressionType;
+            responseHeaders[HeaderNames.ContentEncoding] = requestedCompressionType;
 
-            responseHeaders["Vary"] = "Accept-Encoding";
+            responseHeaders[HeaderNames.Vary] = HeaderNames.AcceptEncoding;
 
             var contentLength = content.Length;
 
             if (isHeadRequest)
             {
-                var result = new StreamWriter(Array.Empty<byte>(), contentType, contentLength);
+                var result = new StreamWriter(Array.Empty<byte>(), contentType);
                 AddResponseHeaders(result, responseHeaders);
                 return result;
             }
             else
             {
-                var result = new StreamWriter(content, contentType, contentLength);
+                var result = new StreamWriter(content, contentType);
                 AddResponseHeaders(result, responseHeaders);
                 return result;
             }
@@ -348,11 +349,6 @@ namespace Emby.Server.Implementations.HttpServer
 
         private byte[] Compress(byte[] bytes, string compressionType)
         {
-            if (string.Equals(compressionType, "br", StringComparison.OrdinalIgnoreCase))
-            {
-                return CompressBrotli(bytes);
-            }
-
             if (string.Equals(compressionType, "deflate", StringComparison.OrdinalIgnoreCase))
             {
                 return Deflate(bytes);
@@ -366,11 +362,6 @@ namespace Emby.Server.Implementations.HttpServer
             throw new NotSupportedException(compressionType);
         }
 
-        private byte[] CompressBrotli(byte[] bytes)
-        {
-            return _brotliCompressor.Compress(bytes);
-        }
-
         private static byte[] Deflate(byte[] bytes)
         {
             // In .NET FX incompat-ville, you can't access compressed bytes without closing DeflateStream
@@ -424,12 +415,12 @@ namespace Emby.Server.Implementations.HttpServer
         /// </summary>
         private object GetCachedResult(IRequest requestContext, IDictionary<string, string> responseHeaders, StaticResultOptions options)
         {
-            bool noCache = (requestContext.Headers.Get("Cache-Control") ?? string.Empty).IndexOf("no-cache", StringComparison.OrdinalIgnoreCase) != -1;
+            bool noCache = (requestContext.Headers[HeaderNames.CacheControl].ToString()).IndexOf("no-cache", StringComparison.OrdinalIgnoreCase) != -1;
             AddCachingHeaders(responseHeaders, options.CacheDuration, noCache, options.DateLastModified);
 
             if (!noCache)
             {
-                DateTime.TryParse(requestContext.Headers.Get("If-Modified-Since"), out var ifModifiedSinceHeader);
+                DateTime.TryParse(requestContext.Headers[HeaderNames.IfModifiedSince], out var ifModifiedSinceHeader);
 
                 if (IsNotModified(ifModifiedSinceHeader, options.CacheDuration, options.DateLastModified))
                 {
@@ -530,7 +521,7 @@ namespace Emby.Server.Implementations.HttpServer
             options.ResponseHeaders = options.ResponseHeaders ?? new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
 
             var contentType = options.ContentType;
-            if (!string.IsNullOrEmpty(requestContext.Headers.Get("If-Modified-Since")))
+            if (!StringValues.IsNullOrEmpty(requestContext.Headers[HeaderNames.IfModifiedSince]))
             {
                 // See if the result is already cached in the browser
                 var result = GetCachedResult(requestContext, options.ResponseHeaders, options);
@@ -548,11 +539,11 @@ namespace Emby.Server.Implementations.HttpServer
             AddCachingHeaders(responseHeaders, options.CacheDuration, false, options.DateLastModified);
             AddAgeHeader(responseHeaders, options.DateLastModified);
 
-            var rangeHeader = requestContext.Headers.Get("Range");
+            var rangeHeader = requestContext.Headers[HeaderNames.Range];
 
             if (!isHeadRequest && !string.IsNullOrEmpty(options.Path))
             {
-                var hasHeaders = new FileWriter(options.Path, contentType, rangeHeader, _logger, _fileSystem)
+                var hasHeaders = new FileWriter(options.Path, contentType, rangeHeader, _logger, _fileSystem, _streamHelper)
                 {
                     OnComplete = options.OnComplete,
                     OnError = options.OnError,
@@ -590,11 +581,6 @@ namespace Emby.Server.Implementations.HttpServer
             }
             else
             {
-                if (totalContentLength.HasValue)
-                {
-                    responseHeaders["Content-Length"] = totalContentLength.Value.ToString(UsCulture);
-                }
-
                 if (isHeadRequest)
                 {
                     using (stream)
@@ -614,11 +600,6 @@ namespace Emby.Server.Implementations.HttpServer
             }
         }
 
-        /// <summary>
-        /// The us culture
-        /// </summary>
-        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
-
         /// <summary>
         /// Adds the caching responseHeaders.
         /// </summary>
@@ -627,23 +608,23 @@ namespace Emby.Server.Implementations.HttpServer
         {
             if (noCache)
             {
-                responseHeaders["Cache-Control"] = "no-cache, no-store, must-revalidate";
-                responseHeaders["pragma"] = "no-cache, no-store, must-revalidate";
+                responseHeaders[HeaderNames.CacheControl] = "no-cache, no-store, must-revalidate";
+                responseHeaders[HeaderNames.Pragma] = "no-cache, no-store, must-revalidate";
                 return;
             }
 
             if (cacheDuration.HasValue)
             {
-                responseHeaders["Cache-Control"] = "public, max-age=" + cacheDuration.Value.TotalSeconds;
+                responseHeaders[HeaderNames.CacheControl] = "public, max-age=" + cacheDuration.Value.TotalSeconds;
             }
             else
             {
-                responseHeaders["Cache-Control"] = "public";
+                responseHeaders[HeaderNames.CacheControl] = "public";
             }
 
             if (lastModifiedDate.HasValue)
             {
-                responseHeaders["Last-Modified"] = lastModifiedDate.ToString();
+                responseHeaders[HeaderNames.LastModified] = lastModifiedDate.ToString();
             }
         }
 
@@ -656,7 +637,7 @@ namespace Emby.Server.Implementations.HttpServer
         {
             if (lastDateModified.HasValue)
             {
-                responseHeaders["Age"] = Convert.ToInt64((DateTime.UtcNow - lastDateModified.Value).TotalSeconds).ToString(CultureInfo.InvariantCulture);
+                responseHeaders[HeaderNames.Age] = Convert.ToInt64((DateTime.UtcNow - lastDateModified.Value).TotalSeconds).ToString(CultureInfo.InvariantCulture);
             }
         }
 
@@ -714,9 +695,4 @@ namespace Emby.Server.Implementations.HttpServer
             }
         }
     }
-
-    public interface IBrotliCompressor
-    {
-        byte[] Compress(byte[] content);
-    }
 }

Emby.Server.Implementations/HttpServer/IHttpListener.cs

@@ -1,10 +1,9 @@
 using System;
-using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 using Emby.Server.Implementations.Net;
-using MediaBrowser.Controller.Net;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
 
 namespace Emby.Server.Implementations.HttpServer
 {
@@ -28,21 +27,11 @@ namespace Emby.Server.Implementations.HttpServer
         /// <value>The web socket handler.</value>
         Action<WebSocketConnectEventArgs> WebSocketConnected { get; set; }
 
-        /// <summary>
-        /// Gets or sets the web socket connecting.
-        /// </summary>
-        /// <value>The web socket connecting.</value>
-        Action<WebSocketConnectingEventArgs> WebSocketConnecting { get; set; }
-
-        /// <summary>
-        /// Starts this instance.
-        /// </summary>
-        /// <param name="urlPrefixes">The URL prefixes.</param>
-        void Start(IEnumerable<string> urlPrefixes);
-
         /// <summary>
         /// Stops this instance.
         /// </summary>
         Task Stop();
+
+        Task ProcessWebSocketRequest(HttpContext ctx);
     }
 }

Emby.Server.Implementations/HttpServer/RangeRequestWriter.cs

@@ -7,6 +7,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Model.Services;
 using Microsoft.Extensions.Logging;
+using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.HttpServer
 {
@@ -66,8 +67,8 @@ namespace Emby.Server.Implementations.HttpServer
             this._logger = logger;
 
             ContentType = contentType;
-            Headers["Content-Type"] = contentType;
-            Headers["Accept-Ranges"] = "bytes";
+            Headers[HeaderNames.ContentType] = contentType;
+            Headers[HeaderNames.AcceptRanges] = "bytes";
             StatusCode = HttpStatusCode.PartialContent;
 
             SetRangeValues(contentLength);
@@ -95,9 +96,7 @@ namespace Emby.Server.Implementations.HttpServer
             RangeStart = requestedRange.Key;
             RangeLength = 1 + RangeEnd - RangeStart;
 
-            // Content-Length is the length of what we're serving, not the original content
-            Headers["Content-Length"] = RangeLength.ToString(UsCulture);
-            Headers["Content-Range"] = string.Format("bytes {0}-{1}/{2}", RangeStart, RangeEnd, TotalContentLength);
+            Headers[HeaderNames.ContentRange] = $"bytes {RangeStart}-{RangeEnd}/{TotalContentLength}";
 
             if (RangeStart > 0 && SourceStream.CanSeek)
             {

Emby.Server.Implementations/HttpServer/ResponseFilter.cs

@@ -3,6 +3,7 @@ using System.Globalization;
 using System.Text;
 using MediaBrowser.Model.Services;
 using Microsoft.Extensions.Logging;
+using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.HttpServer
 {
@@ -25,7 +26,7 @@ namespace Emby.Server.Implementations.HttpServer
         public void FilterResponse(IRequest req, IResponse res, object dto)
         {
             // Try to prevent compatibility view
-            res.AddHeader("Access-Control-Allow-Headers", "Accept, Accept-Language, Authorization, Cache-Control, Content-Disposition, Content-Encoding, Content-Language, Content-Length, Content-MD5, Content-Range, Content-Type, Date, Host, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, Origin, OriginToken, Pragma, Range, Slug, Transfer-Encoding, Want-Digest, X-MediaBrowser-Token, X-Emby-Authorization");
+            res.AddHeader("Access-Control-Allow-Headers", "Accept, Accept-Language, Authorization, Cache-Control, Content-Disposition, Content-Encoding, Content-Language, Content-MD5, Content-Range, Content-Type, Date, Host, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, Origin, OriginToken, Pragma, Range, Slug, Transfer-Encoding, Want-Digest, X-MediaBrowser-Token, X-Emby-Authorization");
             res.AddHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS");
             res.AddHeader("Access-Control-Allow-Origin", "*");
 
@@ -44,20 +45,19 @@ namespace Emby.Server.Implementations.HttpServer
 
             if (dto is IHasHeaders hasHeaders)
             {
-                if (!hasHeaders.Headers.ContainsKey("Server"))
+                if (!hasHeaders.Headers.ContainsKey(HeaderNames.Server))
                 {
-                    hasHeaders.Headers["Server"] = "Microsoft-NetCore/2.0, UPnP/1.0 DLNADOC/1.50";
+                    hasHeaders.Headers[HeaderNames.Server] = "Microsoft-NetCore/2.0, UPnP/1.0 DLNADOC/1.50";
                 }
 
                 // Content length has to be explicitly set on on HttpListenerResponse or it won't be happy
-                if (hasHeaders.Headers.TryGetValue("Content-Length", out string contentLength)
+                if (hasHeaders.Headers.TryGetValue(HeaderNames.ContentLength, out string contentLength)
                     && !string.IsNullOrEmpty(contentLength))
                 {
                     var length = long.Parse(contentLength, UsCulture);
 
                     if (length > 0)
                     {
-                        res.SetContentLength(length);
                         res.SendChunked = false;
                     }
                 }

Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs

@@ -5,6 +5,7 @@ using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Security;
 using MediaBrowser.Model.Services;
+using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.HttpServer.Security
 {
@@ -176,7 +177,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
 
             if (string.IsNullOrEmpty(auth))
             {
-                auth = httpReq.Headers["Authorization"];
+                auth = httpReq.Headers[HeaderNames.Authorization];
             }
 
             return GetAuthorization(auth);

Emby.Server.Implementations/HttpServer/StreamWriter.cs

@@ -5,7 +5,7 @@ using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Model.Services;
-using Microsoft.Extensions.Logging;
+using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.HttpServer
 {
@@ -52,12 +52,7 @@ namespace Emby.Server.Implementations.HttpServer
 
             SourceStream = source;
 
-            Headers["Content-Type"] = contentType;
-
-            if (source.CanSeek)
-            {
-                Headers["Content-Length"] = source.Length.ToString(UsCulture);
-            }
+            Headers[HeaderNames.ContentType] = contentType;
         }
 
         /// <summary>
@@ -65,8 +60,7 @@ namespace Emby.Server.Implementations.HttpServer
         /// </summary>
         /// <param name="source">The source.</param>
         /// <param name="contentType">Type of the content.</param>
-        /// <param name="logger">The logger.</param>
-        public StreamWriter(byte[] source, string contentType, int contentLength)
+        public StreamWriter(byte[] source, string contentType)
         {
             if (string.IsNullOrEmpty(contentType))
             {
@@ -75,9 +69,7 @@ namespace Emby.Server.Implementations.HttpServer
 
             SourceBytes = source;
 
-            Headers["Content-Type"] = contentType;
-
-            Headers["Content-Length"] = contentLength.ToString(UsCulture);
+            Headers[HeaderNames.ContentType] = contentType;
         }
 
         public async Task WriteToAsync(Stream responseStream, CancellationToken cancellationToken)

Emby.Server.Implementations/HttpServer/WebSocketConnection.cs

@@ -8,6 +8,7 @@ using MediaBrowser.Controller.Net;
 using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 using UtfUnknown;
 
@@ -67,7 +68,7 @@ namespace Emby.Server.Implementations.HttpServer
         /// Gets or sets the query string.
         /// </summary>
         /// <value>The query string.</value>
-        public QueryParamCollection QueryString { get; set; }
+        public IQueryCollection QueryString { get; set; }
 
         /// <summary>
         /// Initializes a new instance of the <see cref="WebSocketConnection" /> class.
@@ -101,12 +102,6 @@ namespace Emby.Server.Implementations.HttpServer
             _socket = socket;
             _socket.OnReceiveBytes = OnReceiveInternal;
 
-            var memorySocket = socket as IMemoryWebSocket;
-            if (memorySocket != null)
-            {
-                memorySocket.OnReceiveMemoryBytes = OnReceiveInternal;
-            }
-
             RemoteEndPoint = remoteEndPoint;
             _logger = logger;
 
@@ -142,34 +137,6 @@ namespace Emby.Server.Implementations.HttpServer
             }
         }
 
-        /// <summary>
-        /// Called when [receive].
-        /// </summary>
-        /// <param name="memory">The memory block.</param>
-        /// <param name="length">The length of the memory block.</param>
-        private void OnReceiveInternal(Memory<byte> memory, int length)
-        {
-            LastActivityDate = DateTime.UtcNow;
-
-            if (OnReceive == null)
-            {
-                return;
-            }
-
-            var bytes = memory.Slice(0, length).ToArray();
-
-            var charset = CharsetDetector.DetectFromBytes(bytes).Detected?.EncodingName;
-
-            if (string.Equals(charset, "utf-8", StringComparison.OrdinalIgnoreCase))
-            {
-                OnReceiveInternal(Encoding.UTF8.GetString(bytes, 0, bytes.Length));
-            }
-            else
-            {
-                OnReceiveInternal(Encoding.ASCII.GetString(bytes, 0, bytes.Length));
-            }
-        }
-
         private void OnReceiveInternal(string message)
         {
             LastActivityDate = DateTime.UtcNow;
@@ -193,7 +160,7 @@ namespace Emby.Server.Implementations.HttpServer
                 var info = new WebSocketMessageInfo
                 {
                     MessageType = stub.MessageType,
-                    Data = stub.Data == null ? null : stub.Data.ToString(),
+                    Data = stub.Data?.ToString(),
                     Connection = this
                 };
 

Emby.Server.Implementations/IO/LibraryMonitor.cs

@@ -10,8 +10,8 @@ using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Plugins;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.System;
-using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
+using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
 
 namespace Emby.Server.Implementations.IO
 {
@@ -127,7 +127,6 @@ namespace Emby.Server.Implementations.IO
         private IServerConfigurationManager ConfigurationManager { get; set; }
 
         private readonly IFileSystem _fileSystem;
-        private readonly IEnvironmentInfo _environmentInfo;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="LibraryMonitor" /> class.
@@ -136,14 +135,12 @@ namespace Emby.Server.Implementations.IO
             ILoggerFactory loggerFactory,
             ILibraryManager libraryManager,
             IServerConfigurationManager configurationManager,
-            IFileSystem fileSystem,
-            IEnvironmentInfo environmentInfo)
+            IFileSystem fileSystem)
         {
             LibraryManager = libraryManager;
             Logger = loggerFactory.CreateLogger(GetType().Name);
             ConfigurationManager = configurationManager;
             _fileSystem = fileSystem;
-            _environmentInfo = environmentInfo;
         }
 
         private bool IsLibraryMonitorEnabled(BaseItem item)
@@ -267,7 +264,7 @@ namespace Emby.Server.Implementations.IO
                 return;
             }
 
-            if (_environmentInfo.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Windows)
+            if (OperatingSystem.Id != OperatingSystemId.Windows)
             {
                 if (path.StartsWith("\\\\", StringComparison.OrdinalIgnoreCase) || path.StartsWith("smb://", StringComparison.OrdinalIgnoreCase))
                 {
@@ -276,12 +273,6 @@ namespace Emby.Server.Implementations.IO
                 }
             }
 
-            if (_environmentInfo.OperatingSystem == MediaBrowser.Model.System.OperatingSystem.Android)
-            {
-                // causing crashing
-                return;
-            }
-
             // Already being watched
             if (_fileSystemWatchers.ContainsKey(path))
             {

Emby.Server.Implementations/IO/ManagedFileSystem.cs

@@ -7,8 +7,8 @@ using System.Text;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.System;
-using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
+using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
 
 namespace Emby.Server.Implementations.IO
 {
@@ -25,22 +25,19 @@ namespace Emby.Server.Implementations.IO
 
         private readonly string _tempPath;
 
-        private readonly IEnvironmentInfo _environmentInfo;
         private readonly bool _isEnvironmentCaseInsensitive;
 
         public ManagedFileSystem(
             ILoggerFactory loggerFactory,
-            IEnvironmentInfo environmentInfo,
             IApplicationPaths applicationPaths)
         {
             Logger = loggerFactory.CreateLogger("FileSystem");
             _supportsAsyncFileStreams = true;
             _tempPath = applicationPaths.TempDirectory;
-            _environmentInfo = environmentInfo;
 
-            SetInvalidFileNameChars(environmentInfo.OperatingSystem == MediaBrowser.Model.System.OperatingSystem.Windows);
+            SetInvalidFileNameChars(OperatingSystem.Id == OperatingSystemId.Windows);
 
-            _isEnvironmentCaseInsensitive = environmentInfo.OperatingSystem == MediaBrowser.Model.System.OperatingSystem.Windows;
+            _isEnvironmentCaseInsensitive = OperatingSystem.Id == OperatingSystemId.Windows;
         }
 
         public virtual void AddShortcutHandler(IShortcutHandler handler)
@@ -469,7 +466,7 @@ namespace Emby.Server.Implementations.IO
 
         public virtual void SetHidden(string path, bool isHidden)
         {
-            if (_environmentInfo.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Windows)
+            if (OperatingSystem.Id != MediaBrowser.Model.System.OperatingSystemId.Windows)
             {
                 return;
             }
@@ -493,7 +490,7 @@ namespace Emby.Server.Implementations.IO
 
         public virtual void SetReadOnly(string path, bool isReadOnly)
         {
-            if (_environmentInfo.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Windows)
+            if (OperatingSystem.Id != MediaBrowser.Model.System.OperatingSystemId.Windows)
             {
                 return;
             }
@@ -517,7 +514,7 @@ namespace Emby.Server.Implementations.IO
 
         public virtual void SetAttributes(string path, bool isHidden, bool isReadOnly)
         {
-            if (_environmentInfo.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Windows)
+            if (OperatingSystem.Id != MediaBrowser.Model.System.OperatingSystemId.Windows)
             {
                 return;
             }
@@ -711,20 +708,20 @@ namespace Emby.Server.Implementations.IO
             return GetFiles(path, null, false, recursive);
         }
 
-        public virtual IEnumerable<FileSystemMetadata> GetFiles(string path, string[] extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
+        public virtual IEnumerable<FileSystemMetadata> GetFiles(string path, IReadOnlyList<string> extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
         {
             var searchOption = recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
 
             // On linux and osx the search pattern is case sensitive
             // If we're OK with case-sensitivity, and we're only filtering for one extension, then use the native method
-            if ((enableCaseSensitiveExtensions || _isEnvironmentCaseInsensitive) && extensions != null && extensions.Length == 1)
+            if ((enableCaseSensitiveExtensions || _isEnvironmentCaseInsensitive) && extensions != null && extensions.Count == 1)
             {
                 return ToMetadata(new DirectoryInfo(path).EnumerateFiles("*" + extensions[0], searchOption));
             }
 
             var files = new DirectoryInfo(path).EnumerateFiles("*", searchOption);
 
-            if (extensions != null && extensions.Length > 0)
+            if (extensions != null && extensions.Count > 0)
             {
                 files = files.Where(i =>
                 {
@@ -802,7 +799,7 @@ namespace Emby.Server.Implementations.IO
 
         public virtual void SetExecutable(string path)
         {
-            if (_environmentInfo.OperatingSystem == MediaBrowser.Model.System.OperatingSystem.OSX)
+            if (OperatingSystem.Id == MediaBrowser.Model.System.OperatingSystemId.Darwin)
             {
                 RunProcess("chmod", "+x \"" + path + "\"", Path.GetDirectoryName(path));
             }

Emby.Server.Implementations/IO/StreamHelper.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Buffers;
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
@@ -8,168 +9,213 @@ namespace Emby.Server.Implementations.IO
 {
     public class StreamHelper : IStreamHelper
     {
+        private const int StreamCopyToBufferSize = 81920;
+
         public async Task CopyToAsync(Stream source, Stream destination, int bufferSize, Action onStarted, CancellationToken cancellationToken)
         {
-            byte[] buffer = new byte[bufferSize];
-            int read;
-            while ((read = source.Read(buffer, 0, buffer.Length)) != 0)
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
+            try
             {
-                cancellationToken.ThrowIfCancellationRequested();
-
-                await destination.WriteAsync(buffer, 0, read).ConfigureAwait(false);
-
-                if (onStarted != null)
+                int read;
+                while ((read = await source.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false)) != 0)
                 {
-                    onStarted();
-                    onStarted = null;
+                    cancellationToken.ThrowIfCancellationRequested();
+
+                    await destination.WriteAsync(buffer, 0, read).ConfigureAwait(false);
+
+                    if (onStarted != null)
+                    {
+                        onStarted();
+                        onStarted = null;
+                    }
                 }
             }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
+            }
         }
 
         public async Task CopyToAsync(Stream source, Stream destination, int bufferSize, int emptyReadLimit, CancellationToken cancellationToken)
         {
-            byte[] buffer = new byte[bufferSize];
-
-            if (emptyReadLimit <= 0)
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
+            try
             {
-                int read;
-                while ((read = source.Read(buffer, 0, buffer.Length)) != 0)
+                if (emptyReadLimit <= 0)
+                {
+                    int read;
+                    while ((read = await source.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false)) != 0)
+                    {
+                        cancellationToken.ThrowIfCancellationRequested();
+
+                        await destination.WriteAsync(buffer, 0, read).ConfigureAwait(false);
+                    }
+
+                    return;
+                }
+
+                var eofCount = 0;
+
+                while (eofCount < emptyReadLimit)
                 {
                     cancellationToken.ThrowIfCancellationRequested();
 
-                    await destination.WriteAsync(buffer, 0, read).ConfigureAwait(false);
-                }
+                    var bytesRead = await source.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false);
 
-                return;
+                    if (bytesRead == 0)
+                    {
+                        eofCount++;
+                        await Task.Delay(50, cancellationToken).ConfigureAwait(false);
+                    }
+                    else
+                    {
+                        eofCount = 0;
+
+                        await destination.WriteAsync(buffer, 0, bytesRead).ConfigureAwait(false);
+                    }
+                }
             }
-
-            var eofCount = 0;
-
-            while (eofCount < emptyReadLimit)
+            finally
             {
-                cancellationToken.ThrowIfCancellationRequested();
-
-                var bytesRead = source.Read(buffer, 0, buffer.Length);
-
-                if (bytesRead == 0)
-                {
-                    eofCount++;
-                    await Task.Delay(50, cancellationToken).ConfigureAwait(false);
-                }
-                else
-                {
-                    eofCount = 0;
-
-                    await destination.WriteAsync(buffer, 0, bytesRead).ConfigureAwait(false);
-                }
+                ArrayPool<byte>.Shared.Return(buffer);
             }
         }
 
-        const int StreamCopyToBufferSize = 81920;
         public async Task<int> CopyToAsync(Stream source, Stream destination, CancellationToken cancellationToken)
         {
-            var array = new byte[StreamCopyToBufferSize];
-            int bytesRead;
-            int totalBytesRead = 0;
-
-            while ((bytesRead = await source.ReadAsync(array, 0, array.Length, cancellationToken).ConfigureAwait(false)) != 0)
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(StreamCopyToBufferSize);
+            try
             {
-                var bytesToWrite = bytesRead;
+                int totalBytesRead = 0;
 
-                if (bytesToWrite > 0)
+                int bytesRead;
+                while ((bytesRead = await source.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false)) != 0)
                 {
-                    await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
+                    var bytesToWrite = bytesRead;
 
-                    totalBytesRead += bytesRead;
+                    if (bytesToWrite > 0)
+                    {
+                        await destination.WriteAsync(buffer, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
+
+                        totalBytesRead += bytesRead;
+                    }
                 }
-            }
 
-            return totalBytesRead;
+                return totalBytesRead;
+            }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
+            }
         }
 
         public async Task<int> CopyToAsyncWithSyncRead(Stream source, Stream destination, CancellationToken cancellationToken)
         {
-            var array = new byte[StreamCopyToBufferSize];
-            int bytesRead;
-            int totalBytesRead = 0;
-
-            while ((bytesRead = source.Read(array, 0, array.Length)) != 0)
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(StreamCopyToBufferSize);
+            try
             {
-                var bytesToWrite = bytesRead;
+                int bytesRead;
+                int totalBytesRead = 0;
 
-                if (bytesToWrite > 0)
+                while ((bytesRead = source.Read(buffer, 0, buffer.Length)) != 0)
                 {
-                    await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
+                    var bytesToWrite = bytesRead;
 
-                    totalBytesRead += bytesRead;
+                    if (bytesToWrite > 0)
+                    {
+                        await destination.WriteAsync(buffer, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
+
+                        totalBytesRead += bytesRead;
+                    }
                 }
-            }
 
-            return totalBytesRead;
+                return totalBytesRead;
+            }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
+            }
         }
 
         public async Task CopyToAsyncWithSyncRead(Stream source, Stream destination, long copyLength, CancellationToken cancellationToken)
         {
-            var array = new byte[StreamCopyToBufferSize];
-            int bytesRead;
-
-            while ((bytesRead = source.Read(array, 0, array.Length)) != 0)
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(StreamCopyToBufferSize);
+            try
             {
-                var bytesToWrite = Math.Min(bytesRead, copyLength);
+                int bytesRead;
 
-                if (bytesToWrite > 0)
+                while ((bytesRead = source.Read(buffer, 0, buffer.Length)) != 0)
                 {
-                    await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
-                }
+                    var bytesToWrite = Math.Min(bytesRead, copyLength);
 
-                copyLength -= bytesToWrite;
+                    if (bytesToWrite > 0)
+                    {
+                        await destination.WriteAsync(buffer, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
+                    }
 
-                if (copyLength <= 0)
-                {
-                    break;
+                    copyLength -= bytesToWrite;
+
+                    if (copyLength <= 0)
+                    {
+                        break;
+                    }
                 }
             }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
+            }
         }
 
         public async Task CopyToAsync(Stream source, Stream destination, long copyLength, CancellationToken cancellationToken)
         {
-            var array = new byte[StreamCopyToBufferSize];
-            int bytesRead;
-
-            while ((bytesRead = await source.ReadAsync(array, 0, array.Length, cancellationToken).ConfigureAwait(false)) != 0)
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(StreamCopyToBufferSize);
+            try
             {
-                var bytesToWrite = Math.Min(bytesRead, copyLength);
+                int bytesRead;
 
-                if (bytesToWrite > 0)
+                while ((bytesRead = await source.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false)) != 0)
                 {
-                    await destination.WriteAsync(array, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
-                }
+                    var bytesToWrite = Math.Min(bytesRead, copyLength);
 
-                copyLength -= bytesToWrite;
+                    if (bytesToWrite > 0)
+                    {
+                        await destination.WriteAsync(buffer, 0, Convert.ToInt32(bytesToWrite), cancellationToken).ConfigureAwait(false);
+                    }
 
-                if (copyLength <= 0)
-                {
-                    break;
+                    copyLength -= bytesToWrite;
+
+                    if (copyLength <= 0)
+                    {
+                        break;
+                    }
                 }
             }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
+            }
         }
 
         public async Task CopyUntilCancelled(Stream source, Stream target, int bufferSize, CancellationToken cancellationToken)
         {
-            byte[] buffer = new byte[bufferSize];
-
-            while (!cancellationToken.IsCancellationRequested)
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
+            try
             {
-                var bytesRead = await CopyToAsyncInternal(source, target, buffer, cancellationToken).ConfigureAwait(false);
-
-                //var position = fs.Position;
-                //_logger.LogDebug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
-
-                if (bytesRead == 0)
+                while (!cancellationToken.IsCancellationRequested)
                 {
-                    await Task.Delay(100).ConfigureAwait(false);
+                    var bytesRead = await CopyToAsyncInternal(source, target, buffer, cancellationToken).ConfigureAwait(false);
+
+                    if (bytesRead == 0)
+                    {
+                        await Task.Delay(100).ConfigureAwait(false);
+                    }
                 }
             }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
+            }
         }
 
         private static async Task<int> CopyToAsyncInternal(Stream source, Stream destination, byte[] buffer, CancellationToken cancellationToken)

Emby.Server.Implementations/IStartupOptions.cs

@@ -7,11 +7,6 @@ namespace Emby.Server.Implementations
         /// </summary>
         string FFmpegPath { get; }
 
-        /// <summary>
-        /// --ffprobe
-        /// </summary>
-        string FFprobePath { get; }
-
         /// <summary>
         /// --service
         /// </summary>

Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs

@@ -20,6 +20,9 @@ namespace Emby.Server.Implementations.Images
     public abstract class BaseDynamicImageProvider<T> : IHasItemChangeMonitor, IForcedProvider, ICustomMetadataProvider<T>, IHasOrder
         where T : BaseItem
     {
+        protected virtual IReadOnlyCollection<ImageType> SupportedImages { get; }
+            = new ImageType[] { ImageType.Primary };
+
         protected IFileSystem FileSystem { get; private set; }
         protected IProviderManager ProviderManager { get; private set; }
         protected IApplicationPaths ApplicationPaths { get; private set; }
@@ -33,18 +36,7 @@ namespace Emby.Server.Implementations.Images
             ImageProcessor = imageProcessor;
         }
 
-        protected virtual bool Supports(BaseItem item)
-        {
-            return true;
-        }
-
-        public virtual ImageType[] GetSupportedImages(BaseItem item)
-        {
-            return new ImageType[]
-            {
-                ImageType.Primary
-            };
-        }
+        protected virtual bool Supports(BaseItem _) => true;
 
         public async Task<ItemUpdateType> FetchAsync(T item, MetadataRefreshOptions options, CancellationToken cancellationToken)
         {
@@ -54,15 +46,14 @@ namespace Emby.Server.Implementations.Images
             }
 
             var updateType = ItemUpdateType.None;
-            var supportedImages = GetSupportedImages(item);
 
-            if (supportedImages.Contains(ImageType.Primary))
+            if (SupportedImages.Contains(ImageType.Primary))
             {
                 var primaryResult = await FetchAsync(item, ImageType.Primary, options, cancellationToken).ConfigureAwait(false);
                 updateType = updateType | primaryResult;
             }
 
-            if (supportedImages.Contains(ImageType.Thumb))
+            if (SupportedImages.Contains(ImageType.Thumb))
             {
                 var thumbResult = await FetchAsync(item, ImageType.Thumb, options, cancellationToken).ConfigureAwait(false);
                 updateType = updateType | thumbResult;
@@ -94,7 +85,7 @@ namespace Emby.Server.Implementations.Images
         }
 
         protected async Task<ItemUpdateType> FetchToFileInternal(BaseItem item,
-            List<BaseItem> itemsWithImages,
+            IReadOnlyList<BaseItem> itemsWithImages,
             ImageType imageType,
             CancellationToken cancellationToken)
         {
@@ -119,9 +110,9 @@ namespace Emby.Server.Implementations.Images
             return ItemUpdateType.ImageUpdate;
         }
 
-        protected abstract List<BaseItem> GetItemsWithImages(BaseItem item);
+        protected abstract IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item);
 
-        protected string CreateThumbCollage(BaseItem primaryItem, List<BaseItem> items, string outputPath)
+        protected string CreateThumbCollage(BaseItem primaryItem, IEnumerable<BaseItem> items, string outputPath)
         {
             return CreateCollage(primaryItem, items, outputPath, 640, 360);
         }
@@ -132,38 +123,38 @@ namespace Emby.Server.Implementations.Images
                 .Select(i =>
                 {
                     var image = i.GetImageInfo(ImageType.Primary, 0);
-
                     if (image != null && image.IsLocalFile)
                     {
                         return image.Path;
                     }
+
                     image = i.GetImageInfo(ImageType.Thumb, 0);
-
                     if (image != null && image.IsLocalFile)
                     {
                         return image.Path;
                     }
+
                     return null;
                 })
                 .Where(i => !string.IsNullOrEmpty(i));
         }
 
-        protected string CreatePosterCollage(BaseItem primaryItem, List<BaseItem> items, string outputPath)
+        protected string CreatePosterCollage(BaseItem primaryItem, IEnumerable<BaseItem> items, string outputPath)
         {
             return CreateCollage(primaryItem, items, outputPath, 400, 600);
         }
 
-        protected string CreateSquareCollage(BaseItem primaryItem, List<BaseItem> items, string outputPath)
+        protected string CreateSquareCollage(BaseItem primaryItem, IEnumerable<BaseItem> items, string outputPath)
         {
             return CreateCollage(primaryItem, items, outputPath, 600, 600);
         }
 
-        protected string CreateThumbCollage(BaseItem primaryItem, List<BaseItem> items, string outputPath, int width, int height)
+        protected string CreateThumbCollage(BaseItem primaryItem, IEnumerable<BaseItem> items, string outputPath, int width, int height)
         {
             return CreateCollage(primaryItem, items, outputPath, width, height);
         }
 
-        private string CreateCollage(BaseItem primaryItem, List<BaseItem> items, string outputPath, int width, int height)
+        private string CreateCollage(BaseItem primaryItem, IEnumerable<BaseItem> items, string outputPath, int width, int height)
         {
             Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
 
@@ -192,7 +183,7 @@ namespace Emby.Server.Implementations.Images
         public string Name => "Dynamic Image Provider";
 
         protected virtual string CreateImage(BaseItem item,
-            List<BaseItem> itemsWithImages,
+            IReadOnlyCollection<BaseItem> itemsWithImages,
             string outputPathWithoutExtension,
             ImageType imageType,
             int imageIndex)
@@ -211,18 +202,15 @@ namespace Emby.Server.Implementations.Images
 
             if (imageType == ImageType.Primary)
             {
-                if (item is UserView)
-                {
-                    return CreateSquareCollage(item, itemsWithImages, outputPath);
-                }
-                if (item is Playlist || item is MusicGenre || item is Genre || item is PhotoAlbum)
+                if (item is UserView || item is Playlist || item is MusicGenre || item is Genre || item is PhotoAlbum)
                 {
                     return CreateSquareCollage(item, itemsWithImages, outputPath);
                 }
+
                 return CreatePosterCollage(item, itemsWithImages, outputPath);
             }
 
-            throw new ArgumentException("Unexpected image type");
+            throw new ArgumentException("Unexpected image type", nameof(imageType));
         }
 
         protected virtual int MaxImageAgeDays => 7;
@@ -234,13 +222,11 @@ namespace Emby.Server.Implementations.Images
                 return false;
             }
 
-            var supportedImages = GetSupportedImages(item);
-
-            if (supportedImages.Contains(ImageType.Primary) && HasChanged(item, ImageType.Primary))
+            if (SupportedImages.Contains(ImageType.Primary) && HasChanged(item, ImageType.Primary))
             {
                 return true;
             }
-            if (supportedImages.Contains(ImageType.Thumb) && HasChanged(item, ImageType.Thumb))
+            if (SupportedImages.Contains(ImageType.Thumb) && HasChanged(item, ImageType.Thumb))
             {
                 return true;
             }
@@ -285,7 +271,7 @@ namespace Emby.Server.Implementations.Images
 
         public int Order => 0;
 
-        protected string CreateSingleImage(List<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType)
+        protected string CreateSingleImage(IEnumerable<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType)
         {
             var image = itemsWithImages
                 .Where(i => i.HasImage(imageType) && i.GetImageInfo(imageType, 0).IsLocalFile && Path.HasExtension(i.GetImagePath(imageType)))

Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Authentication;
@@ -18,20 +19,64 @@ namespace Emby.Server.Implementations.Library
         public string Name => "Default";
 
         public bool IsEnabled => true;
-
+        
+        // This is dumb and an artifact of the backwards way auth providers were designed.
+        // This version of authenticate was never meant to be called, but needs to be here for interface compat
+        // Only the providers that don't provide local user support use this
         public Task<ProviderAuthenticationResult> Authenticate(string username, string password)
         {
             throw new NotImplementedException();
         }
-
+        
+        // This is the verson that we need to use for local users. Because reasons.
         public Task<ProviderAuthenticationResult> Authenticate(string username, string password, User resolvedUser)
         {
+            bool success = false;
             if (resolvedUser == null)
             {
                 throw new Exception("Invalid username or password");
             }
 
-            var success = string.Equals(GetPasswordHash(resolvedUser), GetHashedString(resolvedUser, password), StringComparison.OrdinalIgnoreCase);
+            // As long as jellyfin supports passwordless users, we need this little block here to accomodate
+            if (IsPasswordEmpty(resolvedUser, password))
+            {
+                return Task.FromResult(new ProviderAuthenticationResult
+                {
+                    Username = username
+                });
+            }
+
+            ConvertPasswordFormat(resolvedUser);
+            byte[] passwordbytes = Encoding.UTF8.GetBytes(password);
+
+            PasswordHash readyHash = new PasswordHash(resolvedUser.Password);
+            byte[] calculatedHash;
+            string calculatedHashString;
+            if (_cryptographyProvider.GetSupportedHashMethods().Contains(readyHash.Id) || _cryptographyProvider.DefaultHashMethod == readyHash.Id)
+            {
+                if (string.IsNullOrEmpty(readyHash.Salt))
+                {
+                    calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes);
+                    calculatedHashString = BitConverter.ToString(calculatedHash).Replace("-", string.Empty);
+                }
+                else
+                {
+                    calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.SaltBytes);
+                    calculatedHashString = BitConverter.ToString(calculatedHash).Replace("-", string.Empty);
+                }
+
+                if (calculatedHashString == readyHash.Hash)
+                {
+                    success = true;
+                    // throw new Exception("Invalid username or password");
+                }
+            }
+            else
+            {
+                throw new Exception(string.Format($"Requested crypto method not available in provider: {readyHash.Id}"));
+            }
+
+            // var success = string.Equals(GetPasswordHash(resolvedUser), GetHashedString(resolvedUser, password), StringComparison.OrdinalIgnoreCase);
 
             if (!success)
             {
@@ -44,46 +89,86 @@ namespace Emby.Server.Implementations.Library
             });
         }
 
+        // This allows us to move passwords forward to the newformat without breaking. They are still insecure, unsalted, and dumb before a password change
+        // but at least they are in the new format.
+        private void ConvertPasswordFormat(User user)
+        {
+            if (string.IsNullOrEmpty(user.Password))
+            {
+                return;
+            }
+
+            if (!user.Password.Contains("$"))
+            {
+                string hash = user.Password;
+                user.Password = string.Format("$SHA1${0}", hash);
+            }
+            
+            if (user.EasyPassword != null && !user.EasyPassword.Contains("$"))
+            {
+                string hash = user.EasyPassword;
+                user.EasyPassword = string.Format("$SHA1${0}", hash);
+            }
+        }
+
         public Task<bool> HasPassword(User user)
         {
             var hasConfiguredPassword = !IsPasswordEmpty(user, GetPasswordHash(user));
             return Task.FromResult(hasConfiguredPassword);
         }
 
-        private bool IsPasswordEmpty(User user, string passwordHash)
+        private bool IsPasswordEmpty(User user, string password)
         {
-            return string.Equals(passwordHash, GetEmptyHashedString(user), StringComparison.OrdinalIgnoreCase);
+            return (string.IsNullOrEmpty(user.Password) && string.IsNullOrEmpty(password));
         }
 
         public Task ChangePassword(User user, string newPassword)
         {
-            string newPasswordHash = null;
-
-            if (newPassword != null)
+            ConvertPasswordFormat(user);
+            // This is needed to support changing a no password user to a password user
+            if (string.IsNullOrEmpty(user.Password))
             {
-                newPasswordHash = GetHashedString(user, newPassword);
+                PasswordHash newPasswordHash = new PasswordHash(_cryptographyProvider);
+                newPasswordHash.SaltBytes = _cryptographyProvider.GenerateSalt();
+                newPasswordHash.Salt = PasswordHash.ConvertToByteString(newPasswordHash.SaltBytes);
+                newPasswordHash.Id = _cryptographyProvider.DefaultHashMethod;
+                newPasswordHash.Hash = GetHashedStringChangeAuth(newPassword, newPasswordHash);
+                user.Password = newPasswordHash.ToString();
+                return Task.CompletedTask;
             }
 
-            if (string.IsNullOrWhiteSpace(newPasswordHash))
+            PasswordHash passwordHash = new PasswordHash(user.Password);
+            if (passwordHash.Id == "SHA1" && string.IsNullOrEmpty(passwordHash.Salt))
             {
-                throw new ArgumentNullException(nameof(newPasswordHash));
+                passwordHash.SaltBytes = _cryptographyProvider.GenerateSalt();
+                passwordHash.Salt = PasswordHash.ConvertToByteString(passwordHash.SaltBytes);
+                passwordHash.Id = _cryptographyProvider.DefaultHashMethod;
+                passwordHash.Hash = GetHashedStringChangeAuth(newPassword, passwordHash);
+            }
+            else if (newPassword != null)
+            {
+                passwordHash.Hash = GetHashedString(user, newPassword);
             }
 
-            user.Password = newPasswordHash;
+            if (string.IsNullOrWhiteSpace(passwordHash.Hash))
+            {
+                throw new ArgumentNullException(nameof(passwordHash.Hash));
+            }
+
+            user.Password = passwordHash.ToString();
 
             return Task.CompletedTask;
         }
 
         public string GetPasswordHash(User user)
         {
-            return string.IsNullOrEmpty(user.Password)
-                ? GetEmptyHashedString(user)
-                : user.Password;
+            return user.Password;
         }
 
-        public string GetEmptyHashedString(User user)
+        public string GetHashedStringChangeAuth(string newPassword, PasswordHash passwordHash)
         {
-            return GetHashedString(user, string.Empty);
+            passwordHash.HashBytes = Encoding.UTF8.GetBytes(newPassword);
+            return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash));
         }
 
         /// <summary>
@@ -91,14 +176,28 @@ namespace Emby.Server.Implementations.Library
         /// </summary>
         public string GetHashedString(User user, string str)
         {
-            var salt = user.Salt;
-            if (salt != null)
+            PasswordHash passwordHash;
+            if (string.IsNullOrEmpty(user.Password))
             {
-                // return BCrypt.HashPassword(str, salt);
+                passwordHash = new PasswordHash(_cryptographyProvider);
+            }
+            else
+            {
+                ConvertPasswordFormat(user);
+                passwordHash = new PasswordHash(user.Password);
             }
 
-            // legacy
-            return BitConverter.ToString(_cryptographyProvider.ComputeSHA1(Encoding.UTF8.GetBytes(str))).Replace("-", string.Empty);
+            if (passwordHash.SaltBytes != null)
+            {
+                // the password is modern format with PBKDF and we should take advantage of that
+                passwordHash.HashBytes = Encoding.UTF8.GetBytes(str);
+                return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash));
+            }
+            else
+            {
+                // the password has no salt and should be called with the older method for safety
+                return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash.Id, Encoding.UTF8.GetBytes(str)));
+            }
         }
     }
 }

Emby.Server.Implementations/Library/LibraryManager.cs

@@ -58,22 +58,23 @@ namespace Emby.Server.Implementations.Library
         private ILibraryPostScanTask[] PostscanTasks { get; set; }
 
         /// <summary>
-        /// Gets the intro providers.
+        /// Gets or sets the intro providers.
         /// </summary>
         /// <value>The intro providers.</value>
         private IIntroProvider[] IntroProviders { get; set; }
 
         /// <summary>
-        /// Gets the list of entity resolution ignore rules
+        /// Gets or sets the list of entity resolution ignore rules
         /// </summary>
         /// <value>The entity resolution ignore rules.</value>
         private IResolverIgnoreRule[] EntityResolutionIgnoreRules { get; set; }
 
         /// <summary>
-        /// Gets the list of currently registered entity resolvers
+        /// Gets or sets the list of currently registered entity resolvers
         /// </summary>
         /// <value>The entity resolvers enumerable.</value>
         private IItemResolver[] EntityResolvers { get; set; }
+
         private IMultiItemResolver[] MultiItemResolvers { get; set; }
 
         /// <summary>
@@ -83,7 +84,7 @@ namespace Emby.Server.Implementations.Library
         private IBaseItemComparer[] Comparers { get; set; }
 
         /// <summary>
-        /// Gets the active item repository
+        /// Gets or sets the active item repository
         /// </summary>
         /// <value>The item repository.</value>
         public IItemRepository ItemRepository { get; set; }
@@ -133,12 +134,14 @@ namespace Emby.Server.Implementations.Library
         private readonly Func<IProviderManager> _providerManagerFactory;
         private readonly Func<IUserViewManager> _userviewManager;
         public bool IsScanRunning { get; private set; }
+
         private IServerApplicationHost _appHost;
 
         /// <summary>
         /// The _library items cache
         /// </summary>
         private readonly ConcurrentDictionary<Guid, BaseItem> _libraryItemsCache;
+
         /// <summary>
         /// Gets the library items cache.
         /// </summary>
@@ -150,7 +153,8 @@ namespace Emby.Server.Implementations.Library
         /// <summary>
         /// Initializes a new instance of the <see cref="LibraryManager" /> class.
         /// </summary>
-        /// <param name="logger">The logger.</param>
+        /// <param name="appHost">The application host</param>
+        /// <param name="loggerFactory">The logger factory.</param>
         /// <param name="taskManager">The task manager.</param>
         /// <param name="userManager">The user manager.</param>
         /// <param name="configurationManager">The configuration manager.</param>
@@ -167,6 +171,7 @@ namespace Emby.Server.Implementations.Library
             Func<IProviderManager> providerManagerFactory,
             Func<IUserViewManager> userviewManager)
         {
+            _appHost = appHost;
             _logger = loggerFactory.CreateLogger(nameof(LibraryManager));
             _taskManager = taskManager;
             _userManager = userManager;
@@ -176,7 +181,7 @@ namespace Emby.Server.Implementations.Library
             _fileSystem = fileSystem;
             _providerManagerFactory = providerManagerFactory;
             _userviewManager = userviewManager;
-            _appHost = appHost;
+
             _libraryItemsCache = new ConcurrentDictionary<Guid, BaseItem>();
 
             ConfigurationManager.ConfigurationUpdated += ConfigurationUpdated;
@@ -191,8 +196,9 @@ namespace Emby.Server.Implementations.Library
         /// <param name="resolvers">The resolvers.</param>
         /// <param name="introProviders">The intro providers.</param>
         /// <param name="itemComparers">The item comparers.</param>
-        /// <param name="postscanTasks">The postscan tasks.</param>
-        public void AddParts(IEnumerable<IResolverIgnoreRule> rules,
+        /// <param name="postscanTasks">The post scan tasks.</param>
+        public void AddParts(
+            IEnumerable<IResolverIgnoreRule> rules,
             IEnumerable<IItemResolver> resolvers,
             IEnumerable<IIntroProvider> introProviders,
             IEnumerable<IBaseItemComparer> itemComparers,
@@ -203,24 +209,19 @@ namespace Emby.Server.Implementations.Library
             MultiItemResolvers = EntityResolvers.OfType<IMultiItemResolver>().ToArray();
             IntroProviders = introProviders.ToArray();
             Comparers = itemComparers.ToArray();
-
-            PostscanTasks = postscanTasks.OrderBy(i =>
-            {
-                var hasOrder = i as IHasOrder;
-
-                return hasOrder == null ? 0 : hasOrder.Order;
-
-            }).ToArray();
+            PostscanTasks = postscanTasks.ToArray();
         }
 
         /// <summary>
         /// The _root folder
         /// </summary>
         private volatile AggregateFolder _rootFolder;
+
         /// <summary>
         /// The _root folder sync lock
         /// </summary>
         private readonly object _rootFolderSyncLock = new object();
+
         /// <summary>
         /// Gets the root folder.
         /// </summary>
@@ -239,11 +240,13 @@ namespace Emby.Server.Implementations.Library
                         }
                     }
                 }
+
                 return _rootFolder;
             }
         }
 
         private bool _wizardCompleted;
+
         /// <summary>
         /// Records the configuration values.
         /// </summary>
@@ -258,7 +261,7 @@ namespace Emby.Server.Implementations.Library
         /// </summary>
         /// <param name="sender">The sender.</param>
         /// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
-        void ConfigurationUpdated(object sender, EventArgs e)
+        private void ConfigurationUpdated(object sender, EventArgs e)
         {
             var config = ConfigurationManager.Configuration;
 
@@ -278,6 +281,7 @@ namespace Emby.Server.Implementations.Library
             {
                 throw new ArgumentNullException(nameof(item));
             }
+
             if (item is IItemByName)
             {
                 if (!(item is MusicArtist))
@@ -285,18 +289,7 @@ namespace Emby.Server.Implementations.Library
                     return;
                 }
             }
-
-            else if (item.IsFolder)
-            {
-                //if (!(item is ICollectionFolder) && !(item is UserView) && !(item is Channel) && !(item is AggregateFolder))
-                //{
-                //    if (item.SourceType != SourceType.Library)
-                //    {
-                //        return;
-                //    }
-                //}
-            }
-            else
+            else if (!item.IsFolder)
             {
                 if (!(item is Video) && !(item is LiveTvChannel))
                 {
@@ -345,12 +338,14 @@ namespace Emby.Server.Implementations.Library
                         // channel no longer installed
                     }
                 }
+
                 options.DeleteFileLocation = false;
             }
 
             if (item is LiveTvProgram)
             {
-                _logger.LogDebug("Deleting item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
+                _logger.LogDebug(
+                    "Deleting item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
                     item.GetType().Name,
                     item.Name ?? "Unknown name",
                     item.Path ?? string.Empty,
@@ -358,7 +353,8 @@ namespace Emby.Server.Implementations.Library
             }
             else
             {
-                _logger.LogInformation("Deleting item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
+                _logger.LogInformation(
+                    "Deleting item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
                     item.GetType().Name,
                     item.Name ?? "Unknown name",
                     item.Path ?? string.Empty,
@@ -371,19 +367,20 @@ namespace Emby.Server.Implementations.Library
 
             foreach (var metadataPath in GetMetadataPaths(item, children))
             {
-                _logger.LogDebug("Deleting path {0}", metadataPath);
+                if (!Directory.Exists(metadataPath))
+                {
+                    continue;
+                }
+
+                _logger.LogDebug("Deleting path {MetadataPath}", metadataPath);
 
                 try
                 {
                     Directory.Delete(metadataPath, true);
-                }
-                catch (IOException)
-                {
-
                 }
                 catch (Exception ex)
                 {
-                    _logger.LogError(ex, "Error deleting {metadataPath}", metadataPath);
+                    _logger.LogError(ex, "Error deleting {MetadataPath}", metadataPath);
                 }
             }
 
@@ -497,12 +494,13 @@ namespace Emby.Server.Implementations.Library
             {
                 throw new ArgumentNullException(nameof(key));
             }
+
             if (type == null)
             {
                 throw new ArgumentNullException(nameof(type));
             }
 
-            if (key.StartsWith(ConfigurationManager.ApplicationPaths.ProgramDataPath))
+            if (key.StartsWith(ConfigurationManager.ApplicationPaths.ProgramDataPath, StringComparison.Ordinal))
             {
                 // Try to normalize paths located underneath program-data in an attempt to make them more portable
                 key = key.Substring(ConfigurationManager.ApplicationPaths.ProgramDataPath.Length)
@@ -520,13 +518,11 @@ namespace Emby.Server.Implementations.Library
             return key.GetMD5();
         }
 
-        public BaseItem ResolvePath(FileSystemMetadata fileInfo,
-            Folder parent = null)
-        {
-            return ResolvePath(fileInfo, new DirectoryService(_logger, _fileSystem), null, parent);
-        }
+        public BaseItem ResolvePath(FileSystemMetadata fileInfo, Folder parent = null)
+            => ResolvePath(fileInfo, new DirectoryService(_logger, _fileSystem), null, parent);
 
-        private BaseItem ResolvePath(FileSystemMetadata fileInfo,
+        private BaseItem ResolvePath(
+            FileSystemMetadata fileInfo,
             IDirectoryService directoryService,
             IItemResolver[] resolvers,
             Folder parent = null,
@@ -581,7 +577,7 @@ namespace Emby.Server.Implementations.Library
                     {
                         _logger.LogError(ex, "Error in GetFilteredFileSystemEntries isPhysicalRoot: {0} IsVf: {1}", isPhysicalRoot, isVf);
 
-                        files = new FileSystemMetadata[] { };
+                        files = Array.Empty<FileSystemMetadata>();
                     }
                     else
                     {
@@ -609,13 +605,7 @@ namespace Emby.Server.Implementations.Library
         }
 
         public bool IgnoreFile(FileSystemMetadata file, BaseItem parent)
-        {
-            if (EntityResolutionIgnoreRules.Any(r => r.ShouldIgnore(file, parent)))
-            {
-                return true;
-            }
-            return false;
-        }
+            => EntityResolutionIgnoreRules.Any(r => r.ShouldIgnore(file, parent));
 
         public List<FileSystemMetadata> NormalizeRootPathList(IEnumerable<FileSystemMetadata> paths)
         {
@@ -655,7 +645,8 @@ namespace Emby.Server.Implementations.Library
             return ResolvePaths(files, directoryService, parent, libraryOptions, collectionType, EntityResolvers);
         }
 
-        public IEnumerable<BaseItem> ResolvePaths(IEnumerable<FileSystemMetadata> files,
+        public IEnumerable<BaseItem> ResolvePaths(
+            IEnumerable<FileSystemMetadata> files,
             IDirectoryService directoryService,
             Folder parent,
             LibraryOptions libraryOptions,
@@ -681,6 +672,7 @@ namespace Emby.Server.Implementations.Library
                         {
                             ResolverHelper.SetInitialItemValues(item, parent, _fileSystem, this, directoryService);
                         }
+
                         items.AddRange(ResolveFileList(result.ExtraFiles, directoryService, parent, collectionType, resolvers, libraryOptions));
                         return items;
                     }
@@ -690,7 +682,8 @@ namespace Emby.Server.Implementations.Library
             return ResolveFileList(fileList, directoryService, parent, collectionType, resolvers, libraryOptions);
         }
 
-        private IEnumerable<BaseItem> ResolveFileList(IEnumerable<FileSystemMetadata> fileList,
+        private IEnumerable<BaseItem> ResolveFileList(
+            IEnumerable<FileSystemMetadata> fileList,
             IDirectoryService directoryService,
             Folder parent,
             string collectionType,
@@ -775,6 +768,7 @@ namespace Emby.Server.Implementations.Library
 
         private volatile UserRootFolder _userRootFolder;
         private readonly object _syncLock = new object();
+
         public Folder GetUserRootFolder()
         {
             if (_userRootFolder == null)
@@ -819,8 +813,6 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(path));
             }
 
-            //_logger.LogInformation("FindByPath {0}", path);
-
             var query = new InternalItemsQuery
             {
                 Path = path,
@@ -894,7 +886,6 @@ namespace Emby.Server.Implementations.Library
         /// </summary>
         /// <param name="value">The value.</param>
         /// <returns>Task{Year}.</returns>
-        /// <exception cref="ArgumentOutOfRangeException"></exception>
         public Year GetYear(int value)
         {
             if (value <= 0)
@@ -1036,20 +1027,25 @@ namespace Emby.Server.Implementations.Library
 
         private async Task ValidateTopLibraryFolders(CancellationToken cancellationToken)
         {
-            var rootChildren = RootFolder.Children.ToList();
-            rootChildren = GetUserRootFolder().Children.ToList();
-
             await RootFolder.RefreshMetadata(cancellationToken).ConfigureAwait(false);
 
             // Start by just validating the children of the root, but go no further
-            await RootFolder.ValidateChildren(new SimpleProgress<double>(), cancellationToken, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), recursive: false);
+            await RootFolder.ValidateChildren(
+                new SimpleProgress<double>(),
+                cancellationToken,
+                new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)),
+                recursive: false).ConfigureAwait(false);
 
             await GetUserRootFolder().RefreshMetadata(cancellationToken).ConfigureAwait(false);
 
-            await GetUserRootFolder().ValidateChildren(new SimpleProgress<double>(), cancellationToken, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)), recursive: false).ConfigureAwait(false);
+            await GetUserRootFolder().ValidateChildren(
+                new SimpleProgress<double>(),
+                cancellationToken,
+                new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)),
+                recursive: false).ConfigureAwait(false);
 
             // Quickly scan CollectionFolders for changes
-            foreach (var folder in GetUserRootFolder().Children.OfType<Folder>().ToList())
+            foreach (var folder in GetUserRootFolder().Children.OfType<Folder>())
             {
                 await folder.RefreshMetadata(cancellationToken).ConfigureAwait(false);
             }
@@ -1213,7 +1209,7 @@ namespace Emby.Server.Implementations.Library
         private string GetCollectionType(string path)
         {
             return _fileSystem.GetFilePaths(path, new[] { ".collection" }, true, false)
-                .Select(i => Path.GetFileNameWithoutExtension(i))
+                .Select(Path.GetFileNameWithoutExtension)
                 .FirstOrDefault(i => !string.IsNullOrEmpty(i));
         }
 
@@ -1227,7 +1223,7 @@ namespace Emby.Server.Implementations.Library
         {
             if (id == Guid.Empty)
             {
-                throw new ArgumentException(nameof(id), "Guid can't be empty");
+                throw new ArgumentException("Guid can't be empty", nameof(id));
             }
 
             if (LibraryItemsCache.TryGetValue(id, out BaseItem item))
@@ -1395,17 +1391,7 @@ namespace Emby.Server.Implementations.Library
 
             var parents = query.AncestorIds.Select(i => GetItemById(i)).ToList();
 
-            if (parents.All(i =>
-            {
-                if (i is ICollectionFolder || i is UserView)
-                {
-                    return true;
-                }
-
-                //_logger.LogDebug("Query requires ancestor query due to type: " + i.GetType().Name);
-                return false;
-
-            }))
+            if (parents.All(i => i is ICollectionFolder || i is UserView))
             {
                 // Optimize by querying against top level views
                 query.TopParentIds = parents.SelectMany(i => GetTopParentIdsForQuery(i, query.User)).ToArray();
@@ -1461,17 +1447,7 @@ namespace Emby.Server.Implementations.Library
 
         private void SetTopParentIdsOrAncestors(InternalItemsQuery query, List<BaseItem> parents)
         {
-            if (parents.All(i =>
-            {
-                if (i is ICollectionFolder || i is UserView)
-                {
-                    return true;
-                }
-
-                //_logger.LogDebug("Query requires ancestor query due to type: " + i.GetType().Name);
-                return false;
-
-            }))
+            if (parents.All(i => i is ICollectionFolder || i is UserView))
             {
                 // Optimize by querying against top level views
                 query.TopParentIds = parents.SelectMany(i => GetTopParentIdsForQuery(i, query.User)).ToArray();
@@ -1520,11 +1496,9 @@ namespace Emby.Server.Implementations.Library
 
         private IEnumerable<Guid> GetTopParentIdsForQuery(BaseItem item, User user)
         {
-            var view = item as UserView;
-
-            if (view != null)
+            if (item is UserView view)
             {
-                if (string.Equals(view.ViewType, CollectionType.LiveTv))
+                if (string.Equals(view.ViewType, CollectionType.LiveTv, StringComparison.Ordinal))
                 {
                     return new[] { view.Id };
                 }
@@ -1537,8 +1511,10 @@ namespace Emby.Server.Implementations.Library
                     {
                         return GetTopParentIdsForQuery(displayParent, user);
                     }
+
                     return Array.Empty<Guid>();
                 }
+
                 if (!view.ParentId.Equals(Guid.Empty))
                 {
                     var displayParent = GetItemById(view.ParentId);
@@ -1546,6 +1522,7 @@ namespace Emby.Server.Implementations.Library
                     {
                         return GetTopParentIdsForQuery(displayParent, user);
                     }
+
                     return Array.Empty<Guid>();
                 }
 
@@ -1559,11 +1536,11 @@ namespace Emby.Server.Implementations.Library
                         .Where(i => user.IsFolderGrouped(i.Id))
                         .SelectMany(i => GetTopParentIdsForQuery(i, user));
                 }
+
                 return Array.Empty<Guid>();
             }
 
-            var collectionFolder = item as CollectionFolder;
-            if (collectionFolder != null)
+            if (item is CollectionFolder collectionFolder)
             {
                 return collectionFolder.PhysicalFolderIds;
             }
@@ -1573,6 +1550,7 @@ namespace Emby.Server.Implementations.Library
             {
                 return new[] { topParent.Id };
             }
+
             return Array.Empty<Guid>();
         }
 
@@ -1769,19 +1747,16 @@ namespace Emby.Server.Implementations.Library
         {
             var comparer = Comparers.FirstOrDefault(c => string.Equals(name, c.Name, StringComparison.OrdinalIgnoreCase));
 
-            if (comparer != null)
+            // If it requires a user, create a new one, and assign the user
+            if (comparer is IUserBaseItemComparer)
             {
-                // If it requires a user, create a new one, and assign the user
-                if (comparer is IUserBaseItemComparer)
-                {
-                    var userComparer = (IUserBaseItemComparer)Activator.CreateInstance(comparer.GetType());
+                var userComparer = (IUserBaseItemComparer)Activator.CreateInstance(comparer.GetType());
 
-                    userComparer.User = user;
-                    userComparer.UserManager = _userManager;
-                    userComparer.UserDataRepository = _userDataRepository;
+                userComparer.User = user;
+                userComparer.UserManager = _userManager;
+                userComparer.UserDataRepository = _userDataRepository;
 
-                    return userComparer;
-                }
+                return userComparer;
             }
 
             return comparer;
@@ -1792,7 +1767,6 @@ namespace Emby.Server.Implementations.Library
         /// </summary>
         /// <param name="item">The item.</param>
         /// <param name="parent">The parent item.</param>
-        /// <returns>Task.</returns>
         public void CreateItem(BaseItem item, BaseItem parent)
         {
             CreateItems(new[] { item }, parent, CancellationToken.None);
@@ -1802,20 +1776,23 @@ namespace Emby.Server.Implementations.Library
         /// Creates the items.
         /// </summary>
         /// <param name="items">The items.</param>
+        /// <param name="parent">The parent item</param>
         /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task.</returns>
         public void CreateItems(IEnumerable<BaseItem> items, BaseItem parent, CancellationToken cancellationToken)
         {
-            ItemRepository.SaveItems(items, cancellationToken);
+            // Don't iterate multiple times
+            var itemsList = items.ToList();
 
-            foreach (var item in items)
+            ItemRepository.SaveItems(itemsList, cancellationToken);
+
+            foreach (var item in itemsList)
             {
                 RegisterItem(item);
             }
 
             if (ItemAdded != null)
             {
-                foreach (var item in items)
+                foreach (var item in itemsList)
                 {
                     // With the live tv guide this just creates too much noise
                     if (item.SourceType != SourceType.Library)
@@ -1825,11 +1802,13 @@ namespace Emby.Server.Implementations.Library
 
                     try
                     {
-                        ItemAdded(this, new ItemChangeEventArgs
-                        {
-                            Item = item,
-                            Parent = parent ?? item.GetParent()
-                        });
+                        ItemAdded(
+                            this,
+                            new ItemChangeEventArgs
+                            {
+                                Item = item,
+                                Parent = parent ?? item.GetParent()
+                            });
                     }
                     catch (Exception ex)
                     {
@@ -1851,7 +1830,10 @@ namespace Emby.Server.Implementations.Library
         /// </summary>
         public void UpdateItems(IEnumerable<BaseItem> items, BaseItem parent, ItemUpdateType updateReason, CancellationToken cancellationToken)
         {
-            foreach (var item in items)
+            // Don't iterate multiple times
+            var itemsList = items.ToList();
+
+            foreach (var item in itemsList)
             {
                 if (item.IsFileProtocol)
                 {
@@ -1863,14 +1845,11 @@ namespace Emby.Server.Implementations.Library
                 RegisterItem(item);
             }
 
-            //var logName = item.LocationType == LocationType.Remote ? item.Name ?? item.Path : item.Path ?? item.Name;
-            //_logger.LogDebug("Saving {0} to database.", logName);
-
-            ItemRepository.SaveItems(items, cancellationToken);
+            ItemRepository.SaveItems(itemsList, cancellationToken);
 
             if (ItemUpdated != null)
             {
-                foreach (var item in items)
+                foreach (var item in itemsList)
                 {
                     // With the live tv guide this just creates too much noise
                     if (item.SourceType != SourceType.Library)
@@ -1880,12 +1859,14 @@ namespace Emby.Server.Implementations.Library
 
                     try
                     {
-                        ItemUpdated(this, new ItemChangeEventArgs
-                        {
-                            Item = item,
-                            Parent = parent,
-                            UpdateReason = updateReason
-                        });
+                        ItemUpdated(
+                            this,
+                            new ItemChangeEventArgs
+                            {
+                                Item = item,
+                                Parent = parent,
+                                UpdateReason = updateReason
+                            });
                     }
                     catch (Exception ex)
                     {
@@ -1899,9 +1880,9 @@ namespace Emby.Server.Implementations.Library
         /// Updates the item.
         /// </summary>
         /// <param name="item">The item.</param>
+        /// <param name="parent">The parent item.</param>
         /// <param name="updateReason">The update reason.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task.</returns>
         public void UpdateItem(BaseItem item, BaseItem parent, ItemUpdateType updateReason, CancellationToken cancellationToken)
         {
             UpdateItems(new [] { item }, parent, updateReason, cancellationToken);
@@ -1911,17 +1892,20 @@ namespace Emby.Server.Implementations.Library
         /// Reports the item removed.
         /// </summary>
         /// <param name="item">The item.</param>
+        /// <param name="parent">The parent item.</param>
         public void ReportItemRemoved(BaseItem item, BaseItem parent)
         {
             if (ItemRemoved != null)
             {
                 try
                 {
-                    ItemRemoved(this, new ItemChangeEventArgs
-                    {
-                        Item = item,
-                        Parent = parent
-                    });
+                    ItemRemoved(
+                        this,
+                        new ItemChangeEventArgs
+                        {
+                            Item = item,
+                            Parent = parent
+                        });
                 }
                 catch (Exception ex)
                 {
@@ -2047,8 +2031,7 @@ namespace Emby.Server.Implementations.Library
 
         public string GetConfiguredContentType(BaseItem item, bool inheritConfiguredPath)
         {
-            var collectionFolder = item as ICollectionFolder;
-            if (collectionFolder != null)
+            if (item is ICollectionFolder collectionFolder)
             {
                 return collectionFolder.CollectionType;
             }
@@ -2058,13 +2041,11 @@ namespace Emby.Server.Implementations.Library
 
         private string GetContentTypeOverride(string path, bool inherit)
         {
-            var nameValuePair = ConfigurationManager.Configuration.ContentTypes.FirstOrDefault(i => _fileSystem.AreEqual(i.Name, path) || (inherit && !string.IsNullOrEmpty(i.Name) && _fileSystem.ContainsSubPath(i.Name, path)));
-            if (nameValuePair != null)
-            {
-                return nameValuePair.Value;
-            }
-
-            return null;
+            var nameValuePair = ConfigurationManager.Configuration.ContentTypes
+                                    .FirstOrDefault(i => _fileSystem.AreEqual(i.Name, path)
+                                                         || (inherit && !string.IsNullOrEmpty(i.Name)
+                                                                     && _fileSystem.ContainsSubPath(i.Name, path)));
+            return nameValuePair?.Value;
         }
 
         private string GetTopFolderContentType(BaseItem item)
@@ -2081,6 +2062,7 @@ namespace Emby.Server.Implementations.Library
                 {
                     break;
                 }
+
                 item = parent;
             }
 
@@ -2092,9 +2074,9 @@ namespace Emby.Server.Implementations.Library
         }
 
         private readonly TimeSpan _viewRefreshInterval = TimeSpan.FromHours(24);
-        //private readonly TimeSpan _viewRefreshInterval = TimeSpan.FromMinutes(1);
 
-        public UserView GetNamedView(User user,
+        public UserView GetNamedView(
+            User user,
             string name,
             string viewType,
             string sortName)
@@ -2102,13 +2084,15 @@ namespace Emby.Server.Implementations.Library
             return GetNamedView(user, name, Guid.Empty, viewType, sortName);
         }
 
-        public UserView GetNamedView(string name,
+        public UserView GetNamedView(
+            string name,
             string viewType,
             string sortName)
         {
-            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath,
-                                    "views",
-                                    _fileSystem.GetValidFilename(viewType));
+            var path = Path.Combine(
+                ConfigurationManager.ApplicationPaths.InternalMetadataPath,
+                "views",
+                _fileSystem.GetValidFilename(viewType));
 
             var id = GetNewItemId(path + "_namedview_" + name, typeof(UserView));
 
@@ -2144,7 +2128,8 @@ namespace Emby.Server.Implementations.Library
             return item;
         }
 
-        public UserView GetNamedView(User user,
+        public UserView GetNamedView(
+            User user,
             string name,
             Guid parentId,
             string viewType,
@@ -2173,10 +2158,10 @@ namespace Emby.Server.Implementations.Library
                     Name = name,
                     ViewType = viewType,
                     ForcedSortName = sortName,
-                    UserId = user.Id
+                    UserId = user.Id,
+                    DisplayParentId = parentId
                 };
 
-                item.DisplayParentId = parentId;
 
                 CreateItem(item, null);
 
@@ -2193,20 +2178,24 @@ namespace Emby.Server.Implementations.Library
 
             if (refresh)
             {
-                _providerManagerFactory().QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
-                {
-                    // Need to force save to increment DateLastSaved
-                    ForceSave = true
+                _providerManagerFactory().QueueRefresh(
+                    item.Id,
+                    new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+                    {
+                        // Need to force save to increment DateLastSaved
+                        ForceSave = true
 
-                }, RefreshPriority.Normal);
+                    },
+                    RefreshPriority.Normal);
             }
 
             return item;
         }
 
-        public UserView GetShadowView(BaseItem parent,
-        string viewType,
-        string sortName)
+        public UserView GetShadowView(
+            BaseItem parent,
+            string viewType,
+            string sortName)
         {
             if (parent == null)
             {
@@ -2257,18 +2246,21 @@ namespace Emby.Server.Implementations.Library
 
             if (refresh)
             {
-                _providerManagerFactory().QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
-                {
-                    // Need to force save to increment DateLastSaved
-                    ForceSave = true
-
-                }, RefreshPriority.Normal);
+                _providerManagerFactory().QueueRefresh(
+                    item.Id,
+                    new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+                    {
+                        // Need to force save to increment DateLastSaved
+                        ForceSave = true
+                    },
+                    RefreshPriority.Normal);
             }
 
             return item;
         }
 
-        public UserView GetNamedView(string name,
+        public UserView GetNamedView(
+            string name,
             Guid parentId,
             string viewType,
             string sortName,
@@ -2331,17 +2323,21 @@ namespace Emby.Server.Implementations.Library
 
             if (refresh)
             {
-                _providerManagerFactory().QueueRefresh(item.Id, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
-                {
-                    // Need to force save to increment DateLastSaved
-                    ForceSave = true
-                }, RefreshPriority.Normal);
+                _providerManagerFactory().QueueRefresh(
+                    item.Id,
+                    new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem))
+                    {
+                        // Need to force save to increment DateLastSaved
+                        ForceSave = true
+                    },
+                    RefreshPriority.Normal);
             }
 
             return item;
         }
 
-        public void AddExternalSubtitleStreams(List<MediaStream> streams,
+        public void AddExternalSubtitleStreams(
+            List<MediaStream> streams,
             string videoPath,
             string[] files)
         {
@@ -2445,6 +2441,7 @@ namespace Emby.Server.Implementations.Library
                     {
                         changed = true;
                     }
+
                     episode.IndexNumber = episodeInfo.EpisodeNumber;
                 }
 
@@ -2454,6 +2451,7 @@ namespace Emby.Server.Implementations.Library
                     {
                         changed = true;
                     }
+
                     episode.IndexNumberEnd = episodeInfo.EndingEpsiodeNumber;
                 }
 
@@ -2463,6 +2461,7 @@ namespace Emby.Server.Implementations.Library
                     {
                         changed = true;
                     }
+
                     episode.ParentIndexNumber = episodeInfo.SeasonNumber;
                 }
             }
@@ -2492,6 +2491,7 @@ namespace Emby.Server.Implementations.Library
 
         private NamingOptions _namingOptions;
         private string[] _videoFileExtensions;
+
         private NamingOptions GetNamingOptionsInternal()
         {
             if (_namingOptions == null)
@@ -2688,7 +2688,7 @@ namespace Emby.Server.Implementations.Library
             var newPath = path.Replace(from, to, StringComparison.OrdinalIgnoreCase);
             var changed = false;
 
-            if (!string.Equals(newPath, path))
+            if (!string.Equals(newPath, path, StringComparison.Ordinal))
             {
                 if (to.IndexOf('/') != -1)
                 {
@@ -2812,6 +2812,7 @@ namespace Emby.Server.Implementations.Library
                     {
                         continue;
                     }
+
                     throw;
                 }
             }
@@ -2916,6 +2917,7 @@ namespace Emby.Server.Implementations.Library
         }
 
         private const string ShortcutFileExtension = ".mblink";
+
         public void AddMediaPath(string virtualFolderName, MediaPathInfo pathInfo)
         {
             AddMediaPathInternal(virtualFolderName, pathInfo, true);
@@ -2932,7 +2934,7 @@ namespace Emby.Server.Implementations.Library
 
             if (string.IsNullOrWhiteSpace(path))
             {
-                throw new ArgumentNullException(nameof(path));
+                throw new ArgumentException(nameof(path));
             }
 
             if (!Directory.Exists(path))

Emby.Server.Implementations/Library/UserManager.cs

@@ -4,6 +4,7 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Events;
@@ -213,22 +214,17 @@ namespace Emby.Server.Implementations.Library
             }
         }
 
-        public bool IsValidUsername(string username)
+        public static bool IsValidUsername(string username)
         {
-            // Usernames can contain letters (a-z), numbers (0-9), dashes (-), underscores (_), apostrophes ('), and periods (.)
-            foreach (var currentChar in username)
-            {
-                if (!IsValidUsernameCharacter(currentChar))
-                {
-                    return false;
-                }
-            }
-            return true;
+            //This is some regex that matches only on unicode "word" characters, as well as -, _ and @
+            //In theory this will cut out most if not all 'control' characters which should help minimize any weirdness
+            // Usernames can contain letters (a-z + whatever else unicode is cool with), numbers (0-9), dashes (-), underscores (_), apostrophes ('), and periods (.)
+            return Regex.IsMatch(username, "^[\\w-'._@]*$");
         }
 
         private static bool IsValidUsernameCharacter(char i)
         {
-            return !char.Equals(i, '<') && !char.Equals(i, '>');
+            return IsValidUsername(i.ToString());
         }
 
         public string MakeValidUsername(string username)
@@ -475,15 +471,10 @@ namespace Emby.Server.Implementations.Library
         private string GetLocalPasswordHash(User user)
         {
             return string.IsNullOrEmpty(user.EasyPassword)
-                ? _defaultAuthenticationProvider.GetEmptyHashedString(user)
+                ? null
                 : user.EasyPassword;
         }
 
-        private bool IsPasswordEmpty(User user, string passwordHash)
-        {
-            return string.Equals(passwordHash, _defaultAuthenticationProvider.GetEmptyHashedString(user), StringComparison.OrdinalIgnoreCase);
-        }
-
         /// <summary>
         /// Loads the users from the repository
         /// </summary>
@@ -526,14 +517,14 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(user));
             }
 
-            var hasConfiguredPassword = GetAuthenticationProvider(user).HasPassword(user).Result;
-            var hasConfiguredEasyPassword = !IsPasswordEmpty(user, GetLocalPasswordHash(user));
+            bool hasConfiguredPassword = GetAuthenticationProvider(user).HasPassword(user).Result;
+            bool hasConfiguredEasyPassword = string.IsNullOrEmpty(GetLocalPasswordHash(user));
 
-            var hasPassword = user.Configuration.EnableLocalPassword && !string.IsNullOrEmpty(remoteEndPoint) && _networkManager.IsInLocalNetwork(remoteEndPoint) ?
+            bool hasPassword = user.Configuration.EnableLocalPassword && !string.IsNullOrEmpty(remoteEndPoint) && _networkManager.IsInLocalNetwork(remoteEndPoint) ?
                 hasConfiguredEasyPassword :
                 hasConfiguredPassword;
 
-            var dto = new UserDto
+            UserDto dto = new UserDto
             {
                 Id = user.Id,
                 Name = user.Name,
@@ -552,7 +543,7 @@ namespace Emby.Server.Implementations.Library
                 dto.EnableAutoLogin = true;
             }
 
-            var image = user.GetImageInfo(ImageType.Primary, 0);
+            ItemImageInfo image = user.GetImageInfo(ImageType.Primary, 0);
 
             if (image != null)
             {
@@ -688,7 +679,7 @@ namespace Emby.Server.Implementations.Library
 
             if (!IsValidUsername(name))
             {
-                throw new ArgumentException("Usernames can contain letters (a-z), numbers (0-9), dashes (-), underscores (_), apostrophes ('), and periods (.)");
+                throw new ArgumentException("Usernames can contain unicode symbols, numbers (0-9), dashes (-), underscores (_), apostrophes ('), and periods (.)");
             }
 
             if (Users.Any(u => u.Name.Equals(name, StringComparison.OrdinalIgnoreCase)))

Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs

@@ -33,7 +33,6 @@ using MediaBrowser.Model.LiveTv;
 using MediaBrowser.Model.MediaInfo;
 using MediaBrowser.Model.Providers;
 using MediaBrowser.Model.Querying;
-using MediaBrowser.Model.Reflection;
 using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
@@ -58,7 +57,6 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
         private readonly IProviderManager _providerManager;
         private readonly IMediaEncoder _mediaEncoder;
         private readonly IProcessFactory _processFactory;
-        private readonly IAssemblyInfo _assemblyInfo;
         private IMediaSourceManager _mediaSourceManager;
 
         public static EmbyTV Current;
@@ -74,7 +72,6 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
         public EmbyTV(IServerApplicationHost appHost,
             IStreamHelper streamHelper,
             IMediaSourceManager mediaSourceManager,
-            IAssemblyInfo assemblyInfo,
             ILogger logger,
             IJsonSerializer jsonSerializer,
             IHttpClient httpClient,
@@ -101,12 +98,11 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             _processFactory = processFactory;
             _liveTvManager = (LiveTvManager)liveTvManager;
             _jsonSerializer = jsonSerializer;
-            _assemblyInfo = assemblyInfo;
             _mediaSourceManager = mediaSourceManager;
             _streamHelper = streamHelper;
 
-            _seriesTimerProvider = new SeriesTimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "seriestimers"));
-            _timerProvider = new TimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "timers"), _logger);
+            _seriesTimerProvider = new SeriesTimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "seriestimers.json"));
+            _timerProvider = new TimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "timers.json"), _logger);
             _timerProvider.TimerFired += _timerProvider_TimerFired;
 
             _config.NamedConfigurationUpdated += _config_NamedConfigurationUpdated;

Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs

@@ -2,7 +2,6 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
@@ -32,32 +31,28 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             {
                 if (_items == null)
                 {
+                    if (!File.Exists(_dataPath))
+                    {
+                        return new List<T>();
+                    }
+
                     Logger.LogInformation("Loading live tv data from {0}", _dataPath);
                     _items = GetItemsFromFile(_dataPath);
                 }
+
                 return _items.ToList();
             }
         }
 
         private List<T> GetItemsFromFile(string path)
         {
-            var jsonFile = path + ".json";
-
-            if (!File.Exists(jsonFile))
-            {
-                return new List<T>();
-            }
-
             try
             {
-                return _jsonSerializer.DeserializeFromFile<List<T>>(jsonFile) ?? new List<T>();
-            }
-            catch (IOException)
-            {
+                return _jsonSerializer.DeserializeFromFile<List<T>>(path);
             }
             catch (Exception ex)
             {
-                Logger.LogError(ex, "Error deserializing {jsonFile}", jsonFile);
+                Logger.LogError(ex, "Error deserializing {Path}", path);
             }
 
             return new List<T>();
@@ -70,12 +65,11 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 throw new ArgumentNullException(nameof(newList));
             }
 
-            var file = _dataPath + ".json";
-            Directory.CreateDirectory(Path.GetDirectoryName(file));
+            Directory.CreateDirectory(Path.GetDirectoryName(_dataPath));
 
             lock (_fileDataLock)
             {
-                _jsonSerializer.SerializeToFile(newList, file);
+                _jsonSerializer.SerializeToFile(newList, _dataPath);
                 _items = newList;
             }
         }

Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs

@@ -17,6 +17,7 @@ using MediaBrowser.Model.LiveTv;
 using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
+using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.LiveTv.Listings
 {
@@ -638,7 +639,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 #if NETSTANDARD2_0
             if (Environment.OSVersion.Platform == PlatformID.Win32NT)
             {
-                options.RequestHeaders["Accept-Encoding"] = "deflate";
+                options.RequestHeaders[HeaderNames.AcceptEncoding] = "deflate";
             }
 #endif
 
@@ -676,7 +677,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 #if NETSTANDARD2_0
             if (Environment.OSVersion.Platform == PlatformID.Win32NT)
             {
-                options.RequestHeaders["Accept-Encoding"] = "deflate";
+                options.RequestHeaders[HeaderNames.AcceptEncoding] = "deflate";
             }
 #endif
 

Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs

@@ -151,7 +151,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             });
         }
 
-        private static int RtpHeaderBytes = 12;
+        private const int RtpHeaderBytes = 12;
+
         private async Task CopyTo(MediaBrowser.Model.Net.ISocket udpClient, string file, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
         {
             var bufferSize = 81920;

Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs

@@ -22,7 +22,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         public string OriginalStreamId { get; set; }
         public bool EnableStreamSharing { get; set; }
-        public string UniqueId { get; private set; }
+        public string UniqueId { get; }
 
         protected readonly IFileSystem FileSystem;
         protected readonly IServerApplicationPaths AppPaths;
@@ -31,12 +31,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         protected readonly ILogger Logger;
         protected readonly CancellationTokenSource LiveStreamCancellationTokenSource = new CancellationTokenSource();
 
-        public string TunerHostId { get; private set; }
+        public string TunerHostId { get; }
 
         public DateTime DateOpened { get; protected set; }
 
-        public Func<Task> OnClose { get; set; }
-
         public LiveStream(MediaSourceInfo mediaSource, TunerHostInfo tuner, IFileSystem fileSystem, ILogger logger, IServerApplicationPaths appPaths)
         {
             OriginalMediaSource = mediaSource;
@@ -76,26 +74,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
             LiveStreamCancellationTokenSource.Cancel();
 
-            if (OnClose != null)
-            {
-                return CloseWithExternalFn();
-            }
-
             return Task.CompletedTask;
         }
 
-        private async Task CloseWithExternalFn()
-        {
-            try
-            {
-                await OnClose().ConfigureAwait(false);
-            }
-            catch (Exception ex)
-            {
-                Logger.LogError(ex, "Error closing live stream");
-            }
-        }
-
         protected Stream GetInputStream(string path, bool allowAsyncFileRead)
         {
             var fileOpenOptions = FileOpenOptions.SequentialScan;
@@ -113,27 +94,26 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             return DeleteTempFiles(GetStreamFilePaths());
         }
 
-        protected async Task DeleteTempFiles(List<string> paths, int retryCount = 0)
+        protected async Task DeleteTempFiles(IEnumerable<string> paths, int retryCount = 0)
         {
             if (retryCount == 0)
             {
-                Logger.LogInformation("Deleting temp files {0}", string.Join(", ", paths.ToArray()));
+                Logger.LogInformation("Deleting temp files {0}", paths);
             }
 
             var failedFiles = new List<string>();
 
             foreach (var path in paths)
             {
+                if (!File.Exists(path))
+                {
+                    continue;
+                }
+
                 try
                 {
                     FileSystem.DeleteFile(path);
                 }
-                catch (DirectoryNotFoundException)
-                {
-                }
-                catch (FileNotFoundException)
-                {
-                }
                 catch (Exception ex)
                 {
                     Logger.LogError(ex, "Error deleting file {path}", path);
@@ -157,8 +137,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         {
             cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, LiveStreamCancellationTokenSource.Token).Token;
 
-            var allowAsync = false;
-            // use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
+            // use non-async filestream on windows along with read due to https://github.com/dotnet/corefx/issues/6039
+            var allowAsync = Environment.OSVersion.Platform != PlatformID.Win32NT;
 
             bool seekFile = (DateTime.UtcNow - DateOpened).TotalSeconds > 10;
 
@@ -181,28 +161,24 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             Logger.LogInformation("Live Stream ended.");
         }
 
-        private Tuple<string, bool> GetNextFile(string currentFile)
+        private (string file, bool isLastFile) GetNextFile(string currentFile)
         {
             var files = GetStreamFilePaths();
 
-            //logger.LogInformation("Live stream files: {0}", string.Join(", ", files.ToArray()));
-
             if (string.IsNullOrEmpty(currentFile))
             {
-                return new Tuple<string, bool>(files.Last(), true);
+                return (files.Last(), true);
             }
 
             var nextIndex = files.FindIndex(i => string.Equals(i, currentFile, StringComparison.OrdinalIgnoreCase)) + 1;
 
             var isLastFile = nextIndex == files.Count - 1;
 
-            return new Tuple<string, bool>(files.ElementAtOrDefault(nextIndex), isLastFile);
+            return (files.ElementAtOrDefault(nextIndex), isLastFile);
         }
 
         private async Task CopyFile(string path, bool seekFile, int emptyReadLimit, bool allowAsync, Stream stream, CancellationToken cancellationToken)
         {
-            //logger.LogInformation("Opening live stream file {0}. Empty read limit: {1}", path, emptyReadLimit);
-
             using (var inputStream = (FileStream)GetInputStream(path, allowAsync))
             {
                 if (seekFile)
@@ -218,7 +194,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private void TrySeek(FileStream stream, long offset)
         {
-            //logger.LogInformation("TrySeek live stream");
+            if (!stream.CanSeek)
+            {
+                return;
+            }
+
             try
             {
                 stream.Seek(offset, SeekOrigin.End);

Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs

@@ -19,6 +19,7 @@ using MediaBrowser.Model.MediaInfo;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.System;
 using Microsoft.Extensions.Logging;
+using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.LiveTv.TunerHosts
 {
@@ -145,7 +146,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             if (protocol == MediaProtocol.Http)
             {
                 // Use user-defined user-agent. If there isn't one, make it look like a browser.
-                httpHeaders["User-Agent"] = string.IsNullOrWhiteSpace(info.UserAgent) ?
+                httpHeaders[HeaderNames.UserAgent] = string.IsNullOrWhiteSpace(info.UserAgent) ?
                     "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.85 Safari/537.36" :
                     info.UserAgent;
             }

Emby.Server.Implementations/Localization/Core/es-AR.json

@@ -1,97 +1,97 @@
 {
-    "Albums": "Albums",
-    "AppDeviceValues": "App: {0}, Device: {1}",
-    "Application": "Application",
-    "Artists": "Artists",
-    "AuthenticationSucceededWithUserName": "{0} successfully authenticated",
-    "Books": "Books",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
-    "Channels": "Channels",
-    "ChapterNameValue": "Chapter {0}",
-    "Collections": "Collections",
-    "DeviceOfflineWithName": "{0} has disconnected",
-    "DeviceOnlineWithName": "{0} is connected",
-    "FailedLoginAttemptWithUserName": "Failed login attempt from {0}",
-    "Favorites": "Favorites",
-    "Folders": "Folders",
-    "Genres": "Genres",
-    "HeaderAlbumArtists": "Album Artists",
-    "HeaderCameraUploads": "Camera Uploads",
-    "HeaderContinueWatching": "Continue Watching",
-    "HeaderFavoriteAlbums": "Favorite Albums",
-    "HeaderFavoriteArtists": "Favorite Artists",
-    "HeaderFavoriteEpisodes": "Favorite Episodes",
-    "HeaderFavoriteShows": "Favorite Shows",
-    "HeaderFavoriteSongs": "Favorite Songs",
-    "HeaderLiveTV": "Live TV",
-    "HeaderNextUp": "Next Up",
-    "HeaderRecordingGroups": "Recording Groups",
-    "HomeVideos": "Home videos",
-    "Inherit": "Inherit",
-    "ItemAddedWithName": "{0} was added to the library",
-    "ItemRemovedWithName": "{0} was removed from the library",
-    "LabelIpAddressValue": "Ip address: {0}",
-    "LabelRunningTimeValue": "Running time: {0}",
-    "Latest": "Latest",
-    "MessageApplicationUpdated": "Jellyfin Server has been updated",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
-    "MessageServerConfigurationUpdated": "Server configuration has been updated",
-    "MixedContent": "Mixed content",
-    "Movies": "Movies",
-    "Music": "Music",
-    "MusicVideos": "Music videos",
-    "NameInstallFailed": "{0} installation failed",
-    "NameSeasonNumber": "Season {0}",
-    "NameSeasonUnknown": "Season Unknown",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
-    "NotificationOptionApplicationUpdateAvailable": "Application update available",
-    "NotificationOptionApplicationUpdateInstalled": "Application update installed",
-    "NotificationOptionAudioPlayback": "Audio playback started",
-    "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
-    "NotificationOptionCameraImageUploaded": "Camera image uploaded",
-    "NotificationOptionInstallationFailed": "Installation failure",
-    "NotificationOptionNewLibraryContent": "New content added",
-    "NotificationOptionPluginError": "Plugin failure",
-    "NotificationOptionPluginInstalled": "Plugin installed",
-    "NotificationOptionPluginUninstalled": "Plugin uninstalled",
-    "NotificationOptionPluginUpdateInstalled": "Plugin update installed",
-    "NotificationOptionServerRestartRequired": "Server restart required",
-    "NotificationOptionTaskFailed": "Scheduled task failure",
-    "NotificationOptionUserLockedOut": "User locked out",
-    "NotificationOptionVideoPlayback": "Video playback started",
-    "NotificationOptionVideoPlaybackStopped": "Video playback stopped",
-    "Photos": "Photos",
-    "Playlists": "Playlists",
+    "Albums": "Álbumes",
+    "AppDeviceValues": "Aplicación: {0}, Dispositivo: {1}",
+    "Application": "Aplicación",
+    "Artists": "Artistas",
+    "AuthenticationSucceededWithUserName": "{0} autenticado correctamente",
+    "Books": "Libros",
+    "CameraImageUploadedFrom": "Se ha subido una nueva imagen de cámara desde {0}",
+    "Channels": "Canales",
+    "ChapterNameValue": "Capítulo {0}",
+    "Collections": "Colecciones",
+    "DeviceOfflineWithName": "{0} se ha desconectado",
+    "DeviceOnlineWithName": "{0} está conectado",
+    "FailedLoginAttemptWithUserName": "Error al intentar iniciar sesión desde {0}",
+    "Favorites": "Favoritos",
+    "Folders": "Carpetas",
+    "Genres": "Géneros",
+    "HeaderAlbumArtists": "Artistas de álbumes",
+    "HeaderCameraUploads": "Subidas de cámara",
+    "HeaderContinueWatching": "Continuar viendo",
+    "HeaderFavoriteAlbums": "Álbumes favoritos",
+    "HeaderFavoriteArtists": "Artistas favoritos",
+    "HeaderFavoriteEpisodes": "Episodios favoritos",
+    "HeaderFavoriteShows": "Programas favoritos",
+    "HeaderFavoriteSongs": "Canciones favoritas",
+    "HeaderLiveTV": "TV en vivo",
+    "HeaderNextUp": "Continuar Viendo",
+    "HeaderRecordingGroups": "Grupos de grabación",
+    "HomeVideos": "Videos caseros",
+    "Inherit": "Heredar",
+    "ItemAddedWithName": "{0} se ha añadido a la biblioteca",
+    "ItemRemovedWithName": "{0} ha sido eliminado de la biblioteca",
+    "LabelIpAddressValue": "Dirección IP: {0}",
+    "LabelRunningTimeValue": "Tiempo de funcionamiento: {0}",
+    "Latest": "Últimos",
+    "MessageApplicationUpdated": "El servidor Jellyfin fue actualizado",
+    "MessageApplicationUpdatedTo": "Se ha actualizado el servidor Jellyfin a la versión {0}",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Fue actualizada la sección {0} de la configuración del servidor",
+    "MessageServerConfigurationUpdated": "Fue actualizada la configuración del servidor",
+    "MixedContent": "Contenido mixto",
+    "Movies": "Películas",
+    "Music": "Música",
+    "MusicVideos": "Videos musicales",
+    "NameInstallFailed": "{0} error de instalación",
+    "NameSeasonNumber": "Temporada {0}",
+    "NameSeasonUnknown": "Temporada desconocida",
+    "NewVersionIsAvailable": "Disponible una nueva versión de Jellyfin para descargar.",
+    "NotificationOptionApplicationUpdateAvailable": "Actualización de la aplicación disponible",
+    "NotificationOptionApplicationUpdateInstalled": "Actualización de la aplicación instalada",
+    "NotificationOptionAudioPlayback": "Se inició la reproducción de audio",
+    "NotificationOptionAudioPlaybackStopped": "Se detuvo la reproducción de audio",
+    "NotificationOptionCameraImageUploaded": "Imagen de la cámara cargada",
+    "NotificationOptionInstallationFailed": "Error de instalación",
+    "NotificationOptionNewLibraryContent": "Nuevo contenido añadido",
+    "NotificationOptionPluginError": "Error en plugin",
+    "NotificationOptionPluginInstalled": "Plugin instalado",
+    "NotificationOptionPluginUninstalled": "Plugin desinstalado",
+    "NotificationOptionPluginUpdateInstalled": "Actualización del complemento instalada",
+    "NotificationOptionServerRestartRequired": "Se requiere reinicio del servidor",
+    "NotificationOptionTaskFailed": "Error de tarea programada",
+    "NotificationOptionUserLockedOut": "Usuario bloqueado",
+    "NotificationOptionVideoPlayback": "Se inició la reproducción de video",
+    "NotificationOptionVideoPlaybackStopped": "Reproducción de video detenida",
+    "Photos": "Fotos",
+    "Playlists": "Listas de reproducción",
     "Plugin": "Plugin",
-    "PluginInstalledWithName": "{0} was installed",
-    "PluginUninstalledWithName": "{0} was uninstalled",
-    "PluginUpdatedWithName": "{0} was updated",
-    "ProviderValue": "Provider: {0}",
-    "ScheduledTaskFailedWithName": "{0} failed",
-    "ScheduledTaskStartedWithName": "{0} started",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
+    "PluginInstalledWithName": "{0} fue instalado",
+    "PluginUninstalledWithName": "{0} fue desinstalado",
+    "PluginUpdatedWithName": "{0} fue actualizado",
+    "ProviderValue": "Proveedor: {0}",
+    "ScheduledTaskFailedWithName": "{0} falló",
+    "ScheduledTaskStartedWithName": "{0} iniciada",
+    "ServerNameNeedsToBeRestarted": "{0} necesita ser reiniciado",
     "Shows": "Series",
-    "Songs": "Songs",
-    "StartupEmbyServerIsLoading": "Jellyfin Server is loading. Please try again shortly.",
+    "Songs": "Canciones",
+    "StartupEmbyServerIsLoading": "Jellyfin Server se está cargando. Vuelve a intentarlo en breve.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
-    "SubtitlesDownloadedForItem": "Subtitles downloaded for {0}",
-    "Sync": "Sync",
-    "System": "System",
-    "TvShows": "TV Shows",
-    "User": "User",
-    "UserCreatedWithName": "User {0} has been created",
-    "UserDeletedWithName": "User {0} has been deleted",
-    "UserDownloadingItemWithValues": "{0} is downloading {1}",
-    "UserLockedOutWithName": "User {0} has been locked out",
-    "UserOfflineFromDevice": "{0} has disconnected from {1}",
-    "UserOnlineFromDevice": "{0} is online from {1}",
-    "UserPasswordChangedWithName": "Password has been changed for user {0}",
-    "UserPolicyUpdatedWithName": "User policy has been updated for {0}",
-    "UserStartedPlayingItemWithValues": "{0} is playing {1} on {2}",
-    "UserStoppedPlayingItemWithValues": "{0} has finished playing {1} on {2}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
-    "ValueSpecialEpisodeName": "Special - {0}",
-    "VersionNumber": "Version {0}"
+    "SubtitleDownloadFailureFromForItem": "Fallo de descarga de subtítulos desde {0} para {1}",
+    "SubtitlesDownloadedForItem": "Descargar subtítulos para {0}",
+    "Sync": "Sincronizar",
+    "System": "Sistema",
+    "TvShows": "Series de TV",
+    "User": "Usuario",
+    "UserCreatedWithName": "El usuario {0} ha sido creado",
+    "UserDeletedWithName": "El usuario {0} ha sido borrado",
+    "UserDownloadingItemWithValues": "{0} está descargando {1}",
+    "UserLockedOutWithName": "El usuario {0} ha sido bloqueado",
+    "UserOfflineFromDevice": "{0} se ha desconectado de {1}",
+    "UserOnlineFromDevice": "{0} está en línea desde {1}",
+    "UserPasswordChangedWithName": "Se ha cambiado la contraseña para el usuario {0}",
+    "UserPolicyUpdatedWithName": "Actualizada política de usuario para {0}",
+    "UserStartedPlayingItemWithValues": "{0} está reproduciendo {1} en {2}",
+    "UserStoppedPlayingItemWithValues": "{0} ha terminado de reproducir {1} en {2}",
+    "ValueHasBeenAddedToLibrary": "{0} ha sido añadido a tu biblioteca multimedia",
+    "ValueSpecialEpisodeName": "Especial - {0}",
+    "VersionNumber": "Versión {0}"
 }

Emby.Server.Implementations/Localization/Core/fr-CA.json

@@ -1,97 +1,97 @@
 {
     "Albums": "Albums",
-    "AppDeviceValues": "App: {0}, Device: {1}",
+    "AppDeviceValues": "Application : {0}, Appareil : {1}",
     "Application": "Application",
-    "Artists": "Artists",
-    "AuthenticationSucceededWithUserName": "{0} successfully authenticated",
-    "Books": "Books",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
-    "Channels": "Channels",
-    "ChapterNameValue": "Chapter {0}",
+    "Artists": "Artistes",
+    "AuthenticationSucceededWithUserName": "{0} s'est authentifié avec succès",
+    "Books": "Livres",
+    "CameraImageUploadedFrom": "Une nouvelle image de caméra a été téléchargée depuis {0}",
+    "Channels": "Chaînes",
+    "ChapterNameValue": "Chapitre {0}",
     "Collections": "Collections",
-    "DeviceOfflineWithName": "{0} has disconnected",
-    "DeviceOnlineWithName": "{0} is connected",
-    "FailedLoginAttemptWithUserName": "Failed login attempt from {0}",
-    "Favorites": "Favorites",
-    "Folders": "Folders",
+    "DeviceOfflineWithName": "{0} s'est déconnecté",
+    "DeviceOnlineWithName": "{0} est connecté",
+    "FailedLoginAttemptWithUserName": "Échec d'une tentative de connexion de {0}",
+    "Favorites": "Favoris",
+    "Folders": "Dossiers",
     "Genres": "Genres",
-    "HeaderAlbumArtists": "Album Artists",
-    "HeaderCameraUploads": "Camera Uploads",
+    "HeaderAlbumArtists": "Artistes de l'album",
+    "HeaderCameraUploads": "Photos transférées",
     "HeaderContinueWatching": "Continuer à regarder",
-    "HeaderFavoriteAlbums": "Favorite Albums",
-    "HeaderFavoriteArtists": "Favorite Artists",
-    "HeaderFavoriteEpisodes": "Favorite Episodes",
-    "HeaderFavoriteShows": "Favorite Shows",
-    "HeaderFavoriteSongs": "Favorite Songs",
-    "HeaderLiveTV": "Live TV",
+    "HeaderFavoriteAlbums": "Albums favoris",
+    "HeaderFavoriteArtists": "Artistes favoris",
+    "HeaderFavoriteEpisodes": "Épisodes favoris",
+    "HeaderFavoriteShows": "Séries favorites",
+    "HeaderFavoriteSongs": "Chansons favorites",
+    "HeaderLiveTV": "TV en direct",
     "HeaderNextUp": "À Suivre",
-    "HeaderRecordingGroups": "Recording Groups",
-    "HomeVideos": "Home videos",
-    "Inherit": "Inherit",
-    "ItemAddedWithName": "{0} was added to the library",
-    "ItemRemovedWithName": "{0} was removed from the library",
-    "LabelIpAddressValue": "Ip address: {0}",
-    "LabelRunningTimeValue": "Running time: {0}",
-    "Latest": "Latest",
-    "MessageApplicationUpdated": "Jellyfin Server has been updated",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
-    "MessageServerConfigurationUpdated": "Server configuration has been updated",
-    "MixedContent": "Mixed content",
-    "Movies": "Movies",
-    "Music": "Music",
-    "MusicVideos": "Music videos",
-    "NameInstallFailed": "{0} installation failed",
-    "NameSeasonNumber": "Season {0}",
-    "NameSeasonUnknown": "Season Unknown",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
-    "NotificationOptionApplicationUpdateAvailable": "Application update available",
-    "NotificationOptionApplicationUpdateInstalled": "Application update installed",
-    "NotificationOptionAudioPlayback": "Audio playback started",
-    "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
-    "NotificationOptionCameraImageUploaded": "Camera image uploaded",
-    "NotificationOptionInstallationFailed": "Installation failure",
-    "NotificationOptionNewLibraryContent": "New content added",
-    "NotificationOptionPluginError": "Plugin failure",
-    "NotificationOptionPluginInstalled": "Plugin installed",
-    "NotificationOptionPluginUninstalled": "Plugin uninstalled",
-    "NotificationOptionPluginUpdateInstalled": "Plugin update installed",
-    "NotificationOptionServerRestartRequired": "Server restart required",
-    "NotificationOptionTaskFailed": "Scheduled task failure",
-    "NotificationOptionUserLockedOut": "User locked out",
-    "NotificationOptionVideoPlayback": "Video playback started",
-    "NotificationOptionVideoPlaybackStopped": "Video playback stopped",
+    "HeaderRecordingGroups": "Groupes d'enregistrements",
+    "HomeVideos": "Vidéos personnelles",
+    "Inherit": "Hériter",
+    "ItemAddedWithName": "{0} a été ajouté à la médiathèque",
+    "ItemRemovedWithName": "{0} a été supprimé de la médiathèque",
+    "LabelIpAddressValue": "Adresse IP : {0}",
+    "LabelRunningTimeValue": "Durée : {0}",
+    "Latest": "Derniers",
+    "MessageApplicationUpdated": "Le serveur Jellyfin a été mis à jour",
+    "MessageApplicationUpdatedTo": "Le serveur Jellyfin a été mis à jour vers la version {0}",
+    "MessageNamedServerConfigurationUpdatedWithValue": "La configuration de la section {0} du serveur a été mise à jour",
+    "MessageServerConfigurationUpdated": "La configuration du serveur a été mise à jour",
+    "MixedContent": "Contenu mixte",
+    "Movies": "Films",
+    "Music": "Musique",
+    "MusicVideos": "Vidéos musicales",
+    "NameInstallFailed": "{0} échec d'installation",
+    "NameSeasonNumber": "Saison {0}",
+    "NameSeasonUnknown": "Saison Inconnue",
+    "NewVersionIsAvailable": "Une nouvelle version du serveur Jellyfin est disponible au téléchargement.",
+    "NotificationOptionApplicationUpdateAvailable": "Mise à jour de l'application disponible",
+    "NotificationOptionApplicationUpdateInstalled": "Mise à jour de l'application installée",
+    "NotificationOptionAudioPlayback": "Lecture audio démarrée",
+    "NotificationOptionAudioPlaybackStopped": "Lecture audio arrêtée",
+    "NotificationOptionCameraImageUploaded": "L'image de l'appareil photo a été transférée",
+    "NotificationOptionInstallationFailed": "Échec d'installation",
+    "NotificationOptionNewLibraryContent": "Nouveau contenu ajouté",
+    "NotificationOptionPluginError": "Erreur d'extension",
+    "NotificationOptionPluginInstalled": "Extension installée",
+    "NotificationOptionPluginUninstalled": "Extension désinstallée",
+    "NotificationOptionPluginUpdateInstalled": "Mise à jour d'extension installée",
+    "NotificationOptionServerRestartRequired": "Un redémarrage du serveur est requis",
+    "NotificationOptionTaskFailed": "Échec de tâche planifiée",
+    "NotificationOptionUserLockedOut": "Utilisateur verrouillé",
+    "NotificationOptionVideoPlayback": "Lecture vidéo démarrée",
+    "NotificationOptionVideoPlaybackStopped": "Lecture vidéo arrêtée",
     "Photos": "Photos",
-    "Playlists": "Playlists",
-    "Plugin": "Plugin",
-    "PluginInstalledWithName": "{0} was installed",
-    "PluginUninstalledWithName": "{0} was uninstalled",
-    "PluginUpdatedWithName": "{0} was updated",
-    "ProviderValue": "Provider: {0}",
-    "ScheduledTaskFailedWithName": "{0} failed",
-    "ScheduledTaskStartedWithName": "{0} started",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
-    "Shows": "Series",
-    "Songs": "Songs",
-    "StartupEmbyServerIsLoading": "Jellyfin Server is loading. Please try again shortly.",
+    "Playlists": "Listes de lecture",
+    "Plugin": "Extension",
+    "PluginInstalledWithName": "{0} a été installé",
+    "PluginUninstalledWithName": "{0} a été désinstallé",
+    "PluginUpdatedWithName": "{0} a été mis à jour",
+    "ProviderValue": "Fournisseur : {0}",
+    "ScheduledTaskFailedWithName": "{0} a échoué",
+    "ScheduledTaskStartedWithName": "{0} a commencé",
+    "ServerNameNeedsToBeRestarted": "{0} doit être redémarré",
+    "Shows": "Émissions",
+    "Songs": "Chansons",
+    "StartupEmbyServerIsLoading": "Le serveur Jellyfin est en cours de chargement. Veuillez réessayer dans quelques instants.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
-    "SubtitlesDownloadedForItem": "Subtitles downloaded for {0}",
-    "Sync": "Sync",
-    "System": "System",
-    "TvShows": "TV Shows",
-    "User": "User",
-    "UserCreatedWithName": "User {0} has been created",
-    "UserDeletedWithName": "User {0} has been deleted",
-    "UserDownloadingItemWithValues": "{0} is downloading {1}",
-    "UserLockedOutWithName": "User {0} has been locked out",
-    "UserOfflineFromDevice": "{0} has disconnected from {1}",
-    "UserOnlineFromDevice": "{0} is online from {1}",
-    "UserPasswordChangedWithName": "Password has been changed for user {0}",
-    "UserPolicyUpdatedWithName": "User policy has been updated for {0}",
-    "UserStartedPlayingItemWithValues": "{0} is playing {1} on {2}",
-    "UserStoppedPlayingItemWithValues": "{0} has finished playing {1} on {2}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
+    "SubtitleDownloadFailureFromForItem": "Échec du téléchargement des sous-titres depuis {0} pour {1}",
+    "SubtitlesDownloadedForItem": "Les sous-titres de {0} ont été téléchargés",
+    "Sync": "Synchroniser",
+    "System": "Système",
+    "TvShows": "Séries Télé",
+    "User": "Utilisateur",
+    "UserCreatedWithName": "L'utilisateur {0} a été créé",
+    "UserDeletedWithName": "L'utilisateur {0} a été supprimé",
+    "UserDownloadingItemWithValues": "{0} est en train de télécharger {1}",
+    "UserLockedOutWithName": "L'utilisateur {0} a été verrouillé",
+    "UserOfflineFromDevice": "{0} s'est déconnecté depuis {1}",
+    "UserOnlineFromDevice": "{0} s'est connecté depuis {1}",
+    "UserPasswordChangedWithName": "Le mot de passe pour l'utilisateur {0} a été modifié",
+    "UserPolicyUpdatedWithName": "La politique de l'utilisateur a été mise à jour pour {0}",
+    "UserStartedPlayingItemWithValues": "{0} est en train de lire {1} sur {2}",
+    "UserStoppedPlayingItemWithValues": "{0} vient d'arrêter la lecture de {1} sur {2}",
+    "ValueHasBeenAddedToLibrary": "{0} a été ajouté à votre médiathèque",
     "ValueSpecialEpisodeName": "Spécial - {0}",
     "VersionNumber": "Version {0}"
 }

Emby.Server.Implementations/Localization/Core/fr.json

@@ -44,7 +44,7 @@
     "NameInstallFailed": "{0} échec d'installation",
     "NameSeasonNumber": "Saison {0}",
     "NameSeasonUnknown": "Saison Inconnue",
-    "NewVersionIsAvailable": "Une nouvelle version d'Jellyfin Serveur est disponible au téléchargement.",
+    "NewVersionIsAvailable": "Une nouvelle version de Jellyfin Serveur est disponible au téléchargement.",
     "NotificationOptionApplicationUpdateAvailable": "Mise à jour de l'application disponible",
     "NotificationOptionApplicationUpdateInstalled": "Mise à jour de l'application installée",
     "NotificationOptionAudioPlayback": "Lecture audio démarrée",
@@ -89,7 +89,7 @@
     "UserOnlineFromDevice": "{0} s'est connecté depuis {1}",
     "UserPasswordChangedWithName": "Le mot de passe pour l'utilisateur {0} a été modifié",
     "UserPolicyUpdatedWithName": "La politique de l'utilisateur a été mise à jour pour {0}",
-    "UserStartedPlayingItemWithValues": "{0} est entrain de lire {1} sur {2}",
+    "UserStartedPlayingItemWithValues": "{0} est en train de lire {1} sur {2}",
     "UserStoppedPlayingItemWithValues": "{0} vient d'arrêter la lecture de {1} sur {2}",
     "ValueHasBeenAddedToLibrary": "{0} a été ajouté à votre librairie",
     "ValueSpecialEpisodeName": "Spécial - {0}",

Emby.Server.Implementations/Localization/Core/he.json

@@ -1,8 +1,8 @@
 {
-    "Albums": "Albums",
+    "Albums": "אלבומים",
     "AppDeviceValues": "App: {0}, Device: {1}",
-    "Application": "Application",
-    "Artists": "Artists",
+    "Application": "אפליקציה",
+    "Artists": "אמנים",
     "AuthenticationSucceededWithUserName": "{0} successfully authenticated",
     "Books": "ספרים",
     "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",

Emby.Server.Implementations/Localization/Core/it.json

@@ -34,17 +34,17 @@
     "LabelRunningTimeValue": "Durata: {0}",
     "Latest": "Più recenti",
     "MessageApplicationUpdated": "Il Server Jellyfin è stato aggiornato",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
+    "MessageApplicationUpdatedTo": "Jellyfin Server è stato aggiornato a {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "La sezione {0} della configurazione server è stata aggiornata",
     "MessageServerConfigurationUpdated": "La configurazione del server è stata aggiornata",
     "MixedContent": "Contenuto misto",
     "Movies": "Film",
     "Music": "Musica",
     "MusicVideos": "Video musicali",
-    "NameInstallFailed": "{0} installation failed",
+    "NameInstallFailed": "{0} installazione fallita",
     "NameSeasonNumber": "Stagione {0}",
     "NameSeasonUnknown": "Stagione sconosciuto",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
+    "NewVersionIsAvailable": "Una nuova versione di Jellyfin Server è disponibile per il download.",
     "NotificationOptionApplicationUpdateAvailable": "Aggiornamento dell'applicazione disponibile",
     "NotificationOptionApplicationUpdateInstalled": "Aggiornamento dell'applicazione installato",
     "NotificationOptionAudioPlayback": "La riproduzione audio è iniziata",
@@ -70,12 +70,12 @@
     "ProviderValue": "Provider: {0}",
     "ScheduledTaskFailedWithName": "{0} fallito",
     "ScheduledTaskStartedWithName": "{0} avviati",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
+    "ServerNameNeedsToBeRestarted": "{0} deve essere riavviato",
     "Shows": "Programmi",
     "Songs": "Canzoni",
     "StartupEmbyServerIsLoading": "Jellyfin server si sta avviando. Per favore riprova più tardi.",
     "SubtitleDownloadFailureForItem": "Impossibile scaricare i sottotitoli per {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
+    "SubtitleDownloadFailureFromForItem": "Impossibile scaricare i sottotitoli da {0} per {1}",
     "SubtitlesDownloadedForItem": "Sottotitoli scaricati per {0}",
     "Sync": "Sincronizza",
     "System": "Sistema",
@@ -91,7 +91,7 @@
     "UserPolicyUpdatedWithName": "La politica dell'utente è stata aggiornata per {0}",
     "UserStartedPlayingItemWithValues": "{0} ha avviato la riproduzione di {1}",
     "UserStoppedPlayingItemWithValues": "{0} ha interrotto la riproduzione di {1}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
+    "ValueHasBeenAddedToLibrary": "{0} è stato aggiunto alla tua libreria multimediale",
     "ValueSpecialEpisodeName": "Speciale - {0}",
     "VersionNumber": "Versione {0}"
 }

Emby.Server.Implementations/Localization/Core/kk.json

@@ -3,15 +3,15 @@
     "AppDeviceValues": "Qoldanba: {0}, Qurylǵy: {1}",
     "Application": "Qoldanba",
     "Artists": "Oryndaýshylar",
-    "AuthenticationSucceededWithUserName": "{0} túpnusqalyǵyn rastalýy sátti",
+    "AuthenticationSucceededWithUserName": "{0} túpnusqalyq rastalýy sátti aıaqtaldy",
     "Books": "Kitaptar",
-    "CameraImageUploadedFrom": "Jańa sýret {0} kamerasynan júktep alyndy",
+    "CameraImageUploadedFrom": "{0} kamerasynan jańa sýret júktep alyndy",
     "Channels": "Arnalar",
     "ChapterNameValue": "{0}-sahna",
     "Collections": "Jıyntyqtar",
     "DeviceOfflineWithName": "{0} ajyratylǵan",
     "DeviceOnlineWithName": "{0} qosylǵan",
-    "FailedLoginAttemptWithUserName": "{0} tarapynan kirý áreketi sátsiz",
+    "FailedLoginAttemptWithUserName": "{0} tarapynan kirý áreketi sátsiz aıaqtaldy",
     "Favorites": "Tańdaýlylar",
     "Folders": "Qaltalar",
     "Genres": "Janrlar",
@@ -28,13 +28,13 @@
     "HeaderRecordingGroups": "Jazba toptary",
     "HomeVideos": "Úılik beıneler",
     "Inherit": "Muraǵa ıelený",
-    "ItemAddedWithName": "{0} tasyǵyshhanaǵa ústelindi",
+    "ItemAddedWithName": "{0} tasyǵyshhanaǵa ústeldi",
     "ItemRemovedWithName": "{0} tasyǵyshhanadan alastaldy",
     "LabelIpAddressValue": "IP-mekenjaıy: {0}",
     "LabelRunningTimeValue": "Oınatý ýaqyty: {0}",
     "Latest": "Eń keıingi",
     "MessageApplicationUpdated": "Jellyfin Serveri jańartyldy",
-    "MessageApplicationUpdatedTo": "Jellyfin Serveri {0} deńgeıge jańartyldy",
+    "MessageApplicationUpdatedTo": "Jellyfin Serveri {0} nusqasyna jańartyldy",
     "MessageNamedServerConfigurationUpdatedWithValue": "Server teńsheliminiń {0} bólimi jańartyldy",
     "MessageServerConfigurationUpdated": "Server teńshelimi jańartyldy",
     "MixedContent": "Aralas mazmun",

Emby.Server.Implementations/Localization/Core/pt-BR.json

@@ -5,7 +5,7 @@
     "Artists": "Artistas",
     "AuthenticationSucceededWithUserName": "{0} autenticado com sucesso",
     "Books": "Livros",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
+    "CameraImageUploadedFrom": "Uma nova imagem da câmera foi submetida de {0}",
     "Channels": "Canais",
     "ChapterNameValue": "Capítulo {0}",
     "Collections": "Coletâneas",
@@ -30,21 +30,21 @@
     "Inherit": "Herdar",
     "ItemAddedWithName": "{0} foi adicionado à biblioteca",
     "ItemRemovedWithName": "{0} foi removido da biblioteca",
-    "LabelIpAddressValue": "Endereço ip: {0}",
+    "LabelIpAddressValue": "Endereço IP: {0}",
     "LabelRunningTimeValue": "Tempo de execução: {0}",
     "Latest": "Recente",
     "MessageApplicationUpdated": "O servidor Jellyfin foi atualizado",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
+    "MessageApplicationUpdatedTo": "O Servidor Jellyfin foi atualizado para {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "A seção {0} da configuração do servidor foi atualizada",
     "MessageServerConfigurationUpdated": "A configuração do servidor foi atualizada",
     "MixedContent": "Conteúdo misto",
     "Movies": "Filmes",
     "Music": "Música",
     "MusicVideos": "Vídeos musicais",
-    "NameInstallFailed": "{0} installation failed",
+    "NameInstallFailed": "A instalação de {0} falhou",
     "NameSeasonNumber": "Temporada {0}",
     "NameSeasonUnknown": "Temporada Desconhecida",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
+    "NewVersionIsAvailable": "Uma nova versão do servidor Jellyfin está disponível para download.",
     "NotificationOptionApplicationUpdateAvailable": "Atualização de aplicativo disponível",
     "NotificationOptionApplicationUpdateInstalled": "Atualização de aplicativo instalada",
     "NotificationOptionAudioPlayback": "Reprodução de áudio iniciada",
@@ -70,12 +70,12 @@
     "ProviderValue": "Provedor: {0}",
     "ScheduledTaskFailedWithName": "{0} falhou",
     "ScheduledTaskStartedWithName": "{0} iniciada",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
+    "ServerNameNeedsToBeRestarted": "O servidor {0} precisa ser reiniciado",
     "Shows": "Séries",
     "Songs": "Músicas",
     "StartupEmbyServerIsLoading": "O Servidor Jellyfin está carregando. Por favor tente novamente em breve.",
     "SubtitleDownloadFailureForItem": "Download de legendas falhou para {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
+    "SubtitleDownloadFailureFromForItem": "Houve um problema ao baixar as legendas de {0} para {1}",
     "SubtitlesDownloadedForItem": "Legendas baixadas para {0}",
     "Sync": "Sincronizar",
     "System": "Sistema",
@@ -91,7 +91,7 @@
     "UserPolicyUpdatedWithName": "A política de usuário foi atualizada para {0}",
     "UserStartedPlayingItemWithValues": "{0} iniciou a reprodução de {1}",
     "UserStoppedPlayingItemWithValues": "{0} parou de reproduzir {1}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
+    "ValueHasBeenAddedToLibrary": "{0} foi adicionado a sua biblioteca",
     "ValueSpecialEpisodeName": "Especial - {0}",
     "VersionNumber": "Versão {0}"
 }

Emby.Server.Implementations/Localization/Core/sl-SI.json

@@ -1,62 +1,62 @@
 {
-    "Albums": "Albums",
-    "AppDeviceValues": "App: {0}, Device: {1}",
-    "Application": "Application",
-    "Artists": "Artists",
-    "AuthenticationSucceededWithUserName": "{0} successfully authenticated",
-    "Books": "Books",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
-    "Channels": "Channels",
-    "ChapterNameValue": "Chapter {0}",
-    "Collections": "Collections",
+    "Albums": "Albumi",
+    "AppDeviceValues": "Aplikacija: {0}, Naprava: {1}",
+    "Application": "Aplikacija",
+    "Artists": "Izvajalci",
+    "AuthenticationSucceededWithUserName": "{0} preverjanje uspešno",
+    "Books": "Knjige",
+    "CameraImageUploadedFrom": "Nova fotografija je bila naložena z {0}",
+    "Channels": "Kanali",
+    "ChapterNameValue": "Poglavje {0}",
+    "Collections": "Zbirke",
     "DeviceOfflineWithName": "{0} has disconnected",
-    "DeviceOnlineWithName": "{0} is connected",
-    "FailedLoginAttemptWithUserName": "Failed login attempt from {0}",
-    "Favorites": "Favorites",
-    "Folders": "Folders",
-    "Genres": "Genres",
-    "HeaderAlbumArtists": "Album Artists",
-    "HeaderCameraUploads": "Camera Uploads",
-    "HeaderContinueWatching": "Continue Watching",
-    "HeaderFavoriteAlbums": "Favorite Albums",
-    "HeaderFavoriteArtists": "Favorite Artists",
-    "HeaderFavoriteEpisodes": "Favorite Episodes",
-    "HeaderFavoriteShows": "Favorite Shows",
-    "HeaderFavoriteSongs": "Favorite Songs",
-    "HeaderLiveTV": "Live TV",
-    "HeaderNextUp": "Next Up",
-    "HeaderRecordingGroups": "Recording Groups",
-    "HomeVideos": "Home videos",
-    "Inherit": "Inherit",
-    "ItemAddedWithName": "{0} was added to the library",
-    "ItemRemovedWithName": "{0} was removed from the library",
-    "LabelIpAddressValue": "Ip address: {0}",
-    "LabelRunningTimeValue": "Running time: {0}",
-    "Latest": "Latest",
-    "MessageApplicationUpdated": "Jellyfin Server has been updated",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
+    "DeviceOnlineWithName": "{0} je povezan",
+    "FailedLoginAttemptWithUserName": "Neuspešen poskus prijave z {0}",
+    "Favorites": "Priljubljeni",
+    "Folders": "Mape",
+    "Genres": "Zvrsti",
+    "HeaderAlbumArtists": "Izvajalci albuma",
+    "HeaderCameraUploads": "Posnetki kamere",
+    "HeaderContinueWatching": "Nadaljuj gledanje",
+    "HeaderFavoriteAlbums": "Priljubljeni albumi",
+    "HeaderFavoriteArtists": "Priljubljeni izvajalci",
+    "HeaderFavoriteEpisodes": "Priljubljene epizode",
+    "HeaderFavoriteShows": "Priljubljene serije",
+    "HeaderFavoriteSongs": "Priljubljene pesmi",
+    "HeaderLiveTV": "TV v živo",
+    "HeaderNextUp": "Sledi",
+    "HeaderRecordingGroups": "Zbirke posnetkov",
+    "HomeVideos": "Domači posnetki",
+    "Inherit": "Podeduj",
+    "ItemAddedWithName": "{0} je dodan v knjižnico",
+    "ItemRemovedWithName": "{0} je bil odstranjen iz knjižnice",
+    "LabelIpAddressValue": "IP naslov: {0}",
+    "LabelRunningTimeValue": "Čas trajanja: {0}",
+    "Latest": "Najnovejše",
+    "MessageApplicationUpdated": "Jellyfin strežnik je bil posodobljen",
+    "MessageApplicationUpdatedTo": "Jellyfin strežnik je bil posodobljen na {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
-    "MessageServerConfigurationUpdated": "Server configuration has been updated",
-    "MixedContent": "Mixed content",
-    "Movies": "Movies",
-    "Music": "Music",
-    "MusicVideos": "Music videos",
-    "NameInstallFailed": "{0} installation failed",
-    "NameSeasonNumber": "Season {0}",
-    "NameSeasonUnknown": "Season Unknown",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
-    "NotificationOptionApplicationUpdateAvailable": "Application update available",
-    "NotificationOptionApplicationUpdateInstalled": "Application update installed",
-    "NotificationOptionAudioPlayback": "Audio playback started",
-    "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
-    "NotificationOptionCameraImageUploaded": "Camera image uploaded",
-    "NotificationOptionInstallationFailed": "Installation failure",
-    "NotificationOptionNewLibraryContent": "New content added",
-    "NotificationOptionPluginError": "Plugin failure",
-    "NotificationOptionPluginInstalled": "Plugin installed",
-    "NotificationOptionPluginUninstalled": "Plugin uninstalled",
-    "NotificationOptionPluginUpdateInstalled": "Plugin update installed",
-    "NotificationOptionServerRestartRequired": "Server restart required",
+    "MessageServerConfigurationUpdated": "Nastavitve strežnika so bile posodobljene",
+    "MixedContent": "Razne vsebine",
+    "Movies": "Filmi",
+    "Music": "Glasba",
+    "MusicVideos": "Glasbeni posnetki",
+    "NameInstallFailed": "{0} namestitev neuspešna",
+    "NameSeasonNumber": "Sezona {0}",
+    "NameSeasonUnknown": "Season neznana",
+    "NewVersionIsAvailable": "Nova razničica Jellyfin strežnika je na voljo za prenos.",
+    "NotificationOptionApplicationUpdateAvailable": "Posodobitev aplikacije je na voljo",
+    "NotificationOptionApplicationUpdateInstalled": "Posodobitev aplikacije je bila nameščena",
+    "NotificationOptionAudioPlayback": "Predvajanje zvoka začeto",
+    "NotificationOptionAudioPlaybackStopped": "Predvajanje zvoka zaustavljeno",
+    "NotificationOptionCameraImageUploaded": "Posnetek kamere naložen",
+    "NotificationOptionInstallationFailed": "Napaka pri nameščanju",
+    "NotificationOptionNewLibraryContent": "Nove vsebine dodane",
+    "NotificationOptionPluginError": "Napaka dodatka",
+    "NotificationOptionPluginInstalled": "Dodatek nameščen",
+    "NotificationOptionPluginUninstalled": "Dodatek odstranjen",
+    "NotificationOptionPluginUpdateInstalled": "Posodobitev dodatka nameščena",
+    "NotificationOptionServerRestartRequired": "Potreben je ponovni zagon strežnika",
     "NotificationOptionTaskFailed": "Scheduled task failure",
     "NotificationOptionUserLockedOut": "User locked out",
     "NotificationOptionVideoPlayback": "Video playback started",

Emby.Server.Implementations/Localization/Core/tr.json

@@ -1,12 +1,12 @@
 {
-    "Albums": "Albums",
-    "AppDeviceValues": "App: {0}, Device: {1}",
-    "Application": "Application",
-    "Artists": "Artists",
-    "AuthenticationSucceededWithUserName": "{0} successfully authenticated",
-    "Books": "Books",
+    "Albums": "Albümler",
+    "AppDeviceValues": "Uygulama: {0}, Aygıt: {1}",
+    "Application": "Uygulama",
+    "Artists": "Sanatçılar",
+    "AuthenticationSucceededWithUserName": "{0} başarı ile giriş yaptı",
+    "Books": "Kitaplar",
     "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
-    "Channels": "Channels",
+    "Channels": "Kanallar",
     "ChapterNameValue": "Chapter {0}",
     "Collections": "Collections",
     "DeviceOfflineWithName": "{0} has disconnected",
@@ -17,8 +17,8 @@
     "Genres": "Genres",
     "HeaderAlbumArtists": "Album Artists",
     "HeaderCameraUploads": "Camera Uploads",
-    "HeaderContinueWatching": "Continue Watching",
-    "HeaderFavoriteAlbums": "Favorite Albums",
+    "HeaderContinueWatching": "İzlemeye Devam Et",
+    "HeaderFavoriteAlbums": "Favori Albümler",
     "HeaderFavoriteArtists": "Favorite Artists",
     "HeaderFavoriteEpisodes": "Favorite Episodes",
     "HeaderFavoriteShows": "Favori Showlar",
@@ -30,21 +30,21 @@
     "Inherit": "Inherit",
     "ItemAddedWithName": "{0} was added to the library",
     "ItemRemovedWithName": "{0} was removed from the library",
-    "LabelIpAddressValue": "Ip address: {0}",
-    "LabelRunningTimeValue": "Running time: {0}",
+    "LabelIpAddressValue": "Ip adresi: {0}",
+    "LabelRunningTimeValue": "Çalışma süresi: {0}",
     "Latest": "Latest",
-    "MessageApplicationUpdated": "Jellyfin Server has been updated",
+    "MessageApplicationUpdated": "Jellyfin Sunucusu güncellendi",
     "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
     "MessageServerConfigurationUpdated": "Server configuration has been updated",
     "MixedContent": "Mixed content",
     "Movies": "Movies",
-    "Music": "Music",
-    "MusicVideos": "Music videos",
-    "NameInstallFailed": "{0} installation failed",
-    "NameSeasonNumber": "Season {0}",
-    "NameSeasonUnknown": "Season Unknown",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
+    "Music": "Müzik",
+    "MusicVideos": "Müzik videoları",
+    "NameInstallFailed": "{0} kurulum başarısız",
+    "NameSeasonNumber": "Sezon {0}",
+    "NameSeasonUnknown": "Bilinmeyen Sezon",
+    "NewVersionIsAvailable": "Jellyfin Sunucusunun yeni bir versiyonu indirmek için hazır.",
     "NotificationOptionApplicationUpdateAvailable": "Application update available",
     "NotificationOptionApplicationUpdateInstalled": "Application update installed",
     "NotificationOptionAudioPlayback": "Audio playback started",

Emby.Server.Implementations/Localization/Core/zh-CN.json

@@ -34,14 +34,14 @@
     "LabelRunningTimeValue": "运行时间：{0}",
     "Latest": "最新",
     "MessageApplicationUpdated": "Jellyfin 服务器已更新",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
+    "MessageApplicationUpdatedTo": "Jellyfin Server 的版本已更新为 {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "服务器配置 {0} 部分已更新",
     "MessageServerConfigurationUpdated": "服务器配置已更新",
     "MixedContent": "混合内容",
     "Movies": "电影",
     "Music": "音乐",
     "MusicVideos": "音乐视频",
-    "NameInstallFailed": "{0} installation failed",
+    "NameInstallFailed": "{0} 安装失败",
     "NameSeasonNumber": "季 {0}",
     "NameSeasonUnknown": "未知季",
     "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
@@ -70,7 +70,7 @@
     "ProviderValue": "提供商：{0}",
     "ScheduledTaskFailedWithName": "{0} 已失败",
     "ScheduledTaskStartedWithName": "{0} 已开始",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
+    "ServerNameNeedsToBeRestarted": "{0} 需要重新启动",
     "Shows": "节目",
     "Songs": "歌曲",
     "StartupEmbyServerIsLoading": "Jellyfin 服务器加载中。请稍后再试。",

Emby.Server.Implementations/Localization/LocalizationManager.cs

@@ -11,7 +11,6 @@ using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.Globalization;
-using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
@@ -35,7 +34,6 @@ namespace Emby.Server.Implementations.Localization
         private readonly Dictionary<string, Dictionary<string, ParentalRating>> _allParentalRatings =
             new Dictionary<string, Dictionary<string, ParentalRating>>(StringComparer.OrdinalIgnoreCase);
 
-        private readonly IFileSystem _fileSystem;
         private readonly IJsonSerializer _jsonSerializer;
         private readonly ILogger _logger;
         private static readonly Assembly _assembly = typeof(LocalizationManager).Assembly;
@@ -44,130 +42,65 @@ namespace Emby.Server.Implementations.Localization
         /// Initializes a new instance of the <see cref="LocalizationManager" /> class.
         /// </summary>
         /// <param name="configurationManager">The configuration manager.</param>
-        /// <param name="fileSystem">The file system.</param>
         /// <param name="jsonSerializer">The json serializer.</param>
+        /// <param name="loggerFactory">The logger factory</param>
         public LocalizationManager(
             IServerConfigurationManager configurationManager,
-            IFileSystem fileSystem,
             IJsonSerializer jsonSerializer,
             ILoggerFactory loggerFactory)
         {
             _configurationManager = configurationManager;
-            _fileSystem = fileSystem;
             _jsonSerializer = jsonSerializer;
             _logger = loggerFactory.CreateLogger(nameof(LocalizationManager));
         }
 
         public async Task LoadAll()
         {
-            const string ratingsResource = "Emby.Server.Implementations.Localization.Ratings.";
-
-            Directory.CreateDirectory(LocalizationPath);
-
-            var existingFiles = GetRatingsFiles(LocalizationPath).Select(Path.GetFileName);
+            const string RatingsResource = "Emby.Server.Implementations.Localization.Ratings.";
 
             // Extract from the assembly
             foreach (var resource in _assembly.GetManifestResourceNames())
             {
-                if (!resource.StartsWith(ratingsResource))
+                if (!resource.StartsWith(RatingsResource, StringComparison.Ordinal))
                 {
                     continue;
                 }
 
-                string filename = "ratings-" + resource.Substring(ratingsResource.Length);
+                string countryCode = resource.Substring(RatingsResource.Length, 2);
+                var dict = new Dictionary<string, ParentalRating>(StringComparer.OrdinalIgnoreCase);
 
-                if (existingFiles.Contains(filename))
+                using (var str = _assembly.GetManifestResourceStream(resource))
+                using (var reader = new StreamReader(str))
                 {
-                    continue;
-                }
-
-                using (var stream = _assembly.GetManifestResourceStream(resource))
-                {
-                    string target = Path.Combine(LocalizationPath, filename);
-                    _logger.LogInformation("Extracting ratings to {0}", target);
-
-                    using (var fs = _fileSystem.GetFileStream(target, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read))
+                    string line;
+                    while ((line = await reader.ReadLineAsync().ConfigureAwait(false)) != null)
                     {
-                        await stream.CopyToAsync(fs);
+                        if (string.IsNullOrWhiteSpace(line))
+                        {
+                            continue;
+                        }
+
+                        string[] parts = line.Split(',');
+                        if (parts.Length == 2
+                            && int.TryParse(parts[1], NumberStyles.Integer, UsCulture, out var value))
+                        {
+                            dict.Add(parts[0], new ParentalRating { Name = parts[0], Value = value });
+                        }
+#if DEBUG
+                        else
+                        {
+                            _logger.LogWarning("Malformed line in ratings file for country {CountryCode}", countryCode);
+                        }
+#endif
                     }
                 }
+
+                _allParentalRatings[countryCode] = dict;
             }
 
-            foreach (var file in GetRatingsFiles(LocalizationPath))
-            {
-                await LoadRatings(file);
-            }
-
-            LoadAdditionalRatings();
-
-            await LoadCultures();
+            await LoadCultures().ConfigureAwait(false);
         }
 
-        private void LoadAdditionalRatings()
-        {
-            LoadRatings("au", new[]
-            {
-                new ParentalRating("AU-G", 1),
-                new ParentalRating("AU-PG", 5),
-                new ParentalRating("AU-M", 6),
-                new ParentalRating("AU-MA15+", 7),
-                new ParentalRating("AU-M15+", 8),
-                new ParentalRating("AU-R18+", 9),
-                new ParentalRating("AU-X18+", 10),
-                new ParentalRating("AU-RC", 11)
-            });
-
-            LoadRatings("be", new[]
-            {
-                new ParentalRating("BE-AL", 1),
-                new ParentalRating("BE-MG6", 2),
-                new ParentalRating("BE-6", 3),
-                new ParentalRating("BE-9", 5),
-                new ParentalRating("BE-12", 6),
-                new ParentalRating("BE-16", 8)
-            });
-
-            LoadRatings("de", new[]
-            {
-                new ParentalRating("DE-0", 1),
-                new ParentalRating("FSK-0", 1),
-                new ParentalRating("DE-6", 5),
-                new ParentalRating("FSK-6", 5),
-                new ParentalRating("DE-12", 7),
-                new ParentalRating("FSK-12", 7),
-                new ParentalRating("DE-16", 8),
-                new ParentalRating("FSK-16", 8),
-                new ParentalRating("DE-18", 9),
-                new ParentalRating("FSK-18", 9)
-            });
-
-            LoadRatings("ru", new[]
-            {
-                new ParentalRating("RU-0+", 1),
-                new ParentalRating("RU-6+", 3),
-                new ParentalRating("RU-12+", 7),
-                new ParentalRating("RU-16+", 9),
-                new ParentalRating("RU-18+", 10)
-            });
-        }
-
-        private void LoadRatings(string country, ParentalRating[] ratings)
-        {
-            _allParentalRatings[country] = ratings.ToDictionary(i => i.Name);
-        }
-
-        private IEnumerable<string> GetRatingsFiles(string directory)
-            => _fileSystem.GetFilePaths(directory, false)
-                .Where(i => string.Equals(Path.GetExtension(i), ".csv", StringComparison.OrdinalIgnoreCase))
-                .Where(i => Path.GetFileName(i).StartsWith("ratings-", StringComparison.OrdinalIgnoreCase));
-
-        /// <summary>
-        /// Gets the localization path.
-        /// </summary>
-        /// <value>The localization path.</value>
-        public string LocalizationPath
-            => Path.Combine(_configurationManager.ApplicationPaths.ProgramDataPath, "localization");
-
         public string NormalizeFormKD(string text)
             => text.Normalize(NormalizationForm.FormKD);
 
@@ -184,14 +117,14 @@ namespace Emby.Server.Implementations.Localization
         {
             List<CultureDto> list = new List<CultureDto>();
 
-            const string path = "Emby.Server.Implementations.Localization.iso6392.txt";
+            const string ResourcePath = "Emby.Server.Implementations.Localization.iso6392.txt";
 
-            using (var stream = _assembly.GetManifestResourceStream(path))
+            using (var stream = _assembly.GetManifestResourceStream(ResourcePath))
             using (var reader = new StreamReader(stream))
             {
                 while (!reader.EndOfStream)
                 {
-                    var line = await reader.ReadLineAsync();
+                    var line = await reader.ReadLineAsync().ConfigureAwait(false);
 
                     if (string.IsNullOrWhiteSpace(line))
                     {
@@ -217,11 +150,11 @@ namespace Emby.Server.Implementations.Localization
                         string[] threeletterNames;
                         if (string.IsNullOrWhiteSpace(parts[1]))
                         {
-                            threeletterNames = new [] { parts[0] };
+                            threeletterNames = new[] { parts[0] };
                         }
                         else
                         {
-                            threeletterNames = new [] { parts[0], parts[1] };
+                            threeletterNames = new[] { parts[0], parts[1] };
                         }
 
                         list.Add(new CultureDto
@@ -281,6 +214,7 @@ namespace Emby.Server.Implementations.Localization
         /// Gets the ratings.
         /// </summary>
         /// <param name="countryCode">The country code.</param>
+        /// <returns>The ratings</returns>
         private Dictionary<string, ParentalRating> GetRatings(string countryCode)
         {
             _allParentalRatings.TryGetValue(countryCode, out var value);
@@ -288,52 +222,14 @@ namespace Emby.Server.Implementations.Localization
             return value;
         }
 
-        /// <summary>
-        /// Loads the ratings.
-        /// </summary>
-        /// <param name="file">The file.</param>
-        /// <returns>Dictionary{System.StringParentalRating}.</returns>
-        private async Task LoadRatings(string file)
-        {
-            Dictionary<string, ParentalRating> dict
-                = new Dictionary<string, ParentalRating>(StringComparer.OrdinalIgnoreCase);
-
-            using (var str = File.OpenRead(file))
-            using (var reader = new StreamReader(str))
-            {
-                string line;
-                while ((line = await reader.ReadLineAsync()) != null)
-                {
-                    if (string.IsNullOrWhiteSpace(line))
-                    {
-                        continue;
-                    }
-
-                    string[] parts = line.Split(',');
-                    if (parts.Length == 2
-                        && int.TryParse(parts[1], NumberStyles.Integer, UsCulture, out var value))
-                    {
-                        dict.Add(parts[0], (new ParentalRating { Name = parts[0], Value = value }));
-                    }
-#if DEBUG
-                    else
-                    {
-                        _logger.LogWarning("Misformed line in {Path}", file);
-                    }
-#endif
-                }
-            }
-
-            var countryCode = Path.GetFileNameWithoutExtension(file).Split('-')[1];
-
-            _allParentalRatings[countryCode] = dict;
-        }
-
         private static readonly string[] _unratedValues = { "n/a", "unrated", "not rated" };
 
+        /// <inheritdoc />
         /// <summary>
         /// Gets the rating level.
         /// </summary>
+        /// <param name="rating">Rating field</param>
+        /// <returns>The rating level</returns>&gt;
         public int? GetRatingLevel(string rating)
         {
             if (string.IsNullOrEmpty(rating))
@@ -405,6 +301,7 @@ namespace Emby.Server.Implementations.Localization
             {
                 culture = _configurationManager.Configuration.UICulture;
             }
+
             if (string.IsNullOrEmpty(culture))
             {
                 culture = DefaultCulture;
@@ -450,8 +347,8 @@ namespace Emby.Server.Implementations.Localization
 
             var namespaceName = GetType().Namespace + "." + prefix;
 
-            await CopyInto(dictionary, namespaceName + "." + baseFilename);
-            await CopyInto(dictionary, namespaceName + "." + GetResourceFilename(culture));
+            await CopyInto(dictionary, namespaceName + "." + baseFilename).ConfigureAwait(false);
+            await CopyInto(dictionary, namespaceName + "." + GetResourceFilename(culture)).ConfigureAwait(false);
 
             return dictionary;
         }
@@ -463,7 +360,7 @@ namespace Emby.Server.Implementations.Localization
                 // If a Culture doesn't have a translation the stream will be null and it defaults to en-us further up the chain
                 if (stream != null)
                 {
-                    var dict = await _jsonSerializer.DeserializeFromStreamAsync<Dictionary<string, string>>(stream);
+                    var dict = await _jsonSerializer.DeserializeFromStreamAsync<Dictionary<string, string>>(stream).ConfigureAwait(false);
 
                     foreach (var key in dict.Keys)
                     {

Emby.Server.Implementations/Localization/Ratings/au.csv

@@ -0,0 +1,8 @@
+AU-G,1
+AU-PG,5
+AU-M,6
+AU-MA15+,7
+AU-M15+,8
+AU-R18+,9
+AU-X18+,10
+AU-RC,11

Emby.Server.Implementations/Localization/Ratings/be.csv

@@ -0,0 +1,6 @@
+BE-AL,1
+BE-MG6,2
+BE-6,3
+BE-9,5
+BE-12,6
+BE-16,8

Emby.Server.Implementations/Localization/Ratings/de.csv

@@ -0,0 +1,10 @@
+DE-0,1
+FSK-0,1
+DE-6,5
+FSK-6,5
+DE-12,7
+FSK-12,7
+DE-16,8
+FSK-16,8
+DE-18,9
+FSK-18,9

Emby.Server.Implementations/Localization/Ratings/ru.csv

@@ -0,0 +1,5 @@
+RU-0+,1
+RU-6+,3
+RU-12+,7
+RU-16+,9
+RU-18+,10

Emby.Server.Implementations/MediaEncoder/EncodingManager.cs

@@ -202,6 +202,10 @@ namespace Emby.Server.Implementations.MediaEncoder
         private static List<string> GetSavedChapterImages(Video video, IDirectoryService directoryService)
         {
             var path = GetChapterImagesPath(video);
+            if (!Directory.Exists(path))
+            {
+                return new List<string>();
+            }
 
             try
             {

Emby.Server.Implementations/Middleware/WebSocketMiddleware.cs

@@ -0,0 +1,39 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
+using WebSocketManager = Emby.Server.Implementations.WebSockets.WebSocketManager;
+
+namespace Emby.Server.Implementations.Middleware
+{
+    public class WebSocketMiddleware
+    {
+        private readonly RequestDelegate _next;
+        private readonly ILogger<WebSocketMiddleware> _logger;
+        private readonly WebSocketManager _webSocketManager;
+
+        public WebSocketMiddleware(RequestDelegate next, ILogger<WebSocketMiddleware> logger, WebSocketManager webSocketManager)
+        {
+            _next = next;
+            _logger = logger;
+            _webSocketManager = webSocketManager;
+        }
+
+        public async Task Invoke(HttpContext httpContext)
+        {
+            _logger.LogInformation("Handling request: " + httpContext.Request.Path);
+
+            if (httpContext.WebSockets.IsWebSocketRequest)
+            {
+                var webSocketContext = await httpContext.WebSockets.AcceptWebSocketAsync(null).ConfigureAwait(false);
+                if (webSocketContext != null)
+                {
+                    await _webSocketManager.OnWebSocketConnected(webSocketContext);
+                }
+            }
+            else
+            {
+                await _next.Invoke(httpContext);
+            }
+        }
+    }
+}

Emby.Server.Implementations/Net/DisposableManagedObjectBase.cs

@@ -1,66 +0,0 @@
-using System;
-
-namespace Emby.Server.Implementations.Net
-{
-    /// <summary>
-    /// Correclty implements the <see cref="IDisposable"/> interface and pattern for an object containing only managed resources, and adds a few common niceities not on the interface such as an <see cref="IsDisposed"/> property.
-    /// </summary>
-    public abstract class DisposableManagedObjectBase : IDisposable
-    {
-
-        #region Public Methods
-
-        /// <summary>
-        /// Override this method and dispose any objects you own the lifetime of if disposing is true;
-        /// </summary>
-        /// <param name="disposing">True if managed objects should be disposed, if false, only unmanaged resources should be released.</param>
-        protected abstract void Dispose(bool disposing);
-
-
-        //TODO Remove and reimplement using the IsDisposed property directly.
-        /// <summary>
-        /// Throws an <see cref="ObjectDisposedException"/> if the <see cref="IsDisposed"/> property is true.
-        /// </summary>
-        /// <seealso cref="IsDisposed"/>
-        /// <exception cref="ObjectDisposedException">Thrown if the <see cref="IsDisposed"/> property is true.</exception>
-        /// <seealso cref="Dispose()"/>
-        protected virtual void ThrowIfDisposed()
-        {
-            if (IsDisposed) throw new ObjectDisposedException(GetType().Name);
-        }
-
-        #endregion
-
-        #region Public Properties
-
-        /// <summary>
-        /// Sets or returns a boolean indicating whether or not this instance has been disposed.
-        /// </summary>
-        /// <seealso cref="Dispose()"/>
-        public bool IsDisposed
-        {
-            get;
-            private set;
-        }
-
-        #endregion
-
-        #region IDisposable Members
-
-        /// <summary>
-        /// Disposes this object instance and all internally managed resources.
-        /// </summary>
-        /// <remarks>
-        /// <para>Sets the <see cref="IsDisposed"/> property to true. Does not explicitly throw an exception if called multiple times, but makes no promises about behaviour of derived classes.</para>
-        /// </remarks>
-        /// <seealso cref="IsDisposed"/>
-        public void Dispose()
-        {
-            IsDisposed = true;
-
-            Dispose(true);
-        }
-
-        #endregion
-    }
-}

Emby.Server.Implementations/Net/IWebSocket.cs

@@ -45,9 +45,4 @@ namespace Emby.Server.Implementations.Net
         /// <returns>Task.</returns>
         Task SendAsync(string text, bool endOfMessage, CancellationToken cancellationToken);
     }
-
-    public interface IMemoryWebSocket
-    {
-        Action<Memory<byte>, int> OnReceiveMemoryBytes { get; set; }
-    }
 }

Emby.Server.Implementations/Net/SocketFactory.cs

@@ -4,7 +4,6 @@ using System.Net;
 using System.Net.Sockets;
 using Emby.Server.Implementations.Networking;
 using MediaBrowser.Model.Net;
-using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Net
 {
@@ -19,7 +18,10 @@ namespace Emby.Server.Implementations.Net
 
         public ISocket CreateTcpSocket(IpAddressInfo remoteAddress, int remotePort)
         {
-            if (remotePort < 0) throw new ArgumentException("remotePort cannot be less than zero.", nameof(remotePort));
+            if (remotePort < 0)
+            {
+                throw new ArgumentException("remotePort cannot be less than zero.", nameof(remotePort));
+            }
 
             var addressFamily = remoteAddress.AddressFamily == IpAddressFamily.InterNetwork
                 ? AddressFamily.InterNetwork
@@ -42,8 +44,7 @@ namespace Emby.Server.Implementations.Net
             }
             catch
             {
-                if (retVal != null)
-                    retVal.Dispose();
+                retVal?.Dispose();
 
                 throw;
             }
@@ -55,7 +56,10 @@ namespace Emby.Server.Implementations.Net
         /// <param name="localPort">An integer specifying the local port to bind the acceptSocket to.</param>
         public ISocket CreateUdpSocket(int localPort)
         {
-            if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
+            if (localPort < 0)
+            {
+                throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
+            }
 
             var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
             try
@@ -65,8 +69,7 @@ namespace Emby.Server.Implementations.Net
             }
             catch
             {
-                if (retVal != null)
-                    retVal.Dispose();
+                retVal?.Dispose();
 
                 throw;
             }
@@ -74,7 +77,10 @@ namespace Emby.Server.Implementations.Net
 
         public ISocket CreateUdpBroadcastSocket(int localPort)
         {
-            if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
+            if (localPort < 0)
+            {
+                throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
+            }
 
             var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
             try
@@ -86,8 +92,7 @@ namespace Emby.Server.Implementations.Net
             }
             catch
             {
-                if (retVal != null)
-                    retVal.Dispose();
+                retVal?.Dispose();
 
                 throw;
             }
@@ -99,7 +104,10 @@ namespace Emby.Server.Implementations.Net
         /// <returns>An implementation of the <see cref="ISocket"/> interface used by RSSDP components to perform acceptSocket operations.</returns>
         public ISocket CreateSsdpUdpSocket(IpAddressInfo localIpAddress, int localPort)
         {
-            if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
+            if (localPort < 0)
+            {
+                throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
+            }
 
             var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
             try
@@ -114,8 +122,7 @@ namespace Emby.Server.Implementations.Net
             }
             catch
             {
-                if (retVal != null)
-                    retVal.Dispose();
+                retVal?.Dispose();
 
                 throw;
             }
@@ -130,10 +137,25 @@ namespace Emby.Server.Implementations.Net
         /// <returns></returns>
         public ISocket CreateUdpMulticastSocket(string ipAddress, int multicastTimeToLive, int localPort)
         {
-            if (ipAddress == null) throw new ArgumentNullException(nameof(ipAddress));
-            if (ipAddress.Length == 0) throw new ArgumentException("ipAddress cannot be an empty string.", nameof(ipAddress));
-            if (multicastTimeToLive <= 0) throw new ArgumentException("multicastTimeToLive cannot be zero or less.", nameof(multicastTimeToLive));
-            if (localPort < 0) throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
+            if (ipAddress == null)
+            {
+                throw new ArgumentNullException(nameof(ipAddress));
+            }
+
+            if (ipAddress.Length == 0)
+            {
+                throw new ArgumentException("ipAddress cannot be an empty string.", nameof(ipAddress));
+            }
+
+            if (multicastTimeToLive <= 0)
+            {
+                throw new ArgumentException("multicastTimeToLive cannot be zero or less.", nameof(multicastTimeToLive));
+            }
+
+            if (localPort < 0)
+            {
+                throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
+            }
 
             var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
 
@@ -172,87 +194,13 @@ namespace Emby.Server.Implementations.Net
             }
             catch
             {
-                if (retVal != null)
-                    retVal.Dispose();
+                retVal?.Dispose();
 
                 throw;
             }
         }
 
         public Stream CreateNetworkStream(ISocket socket, bool ownsSocket)
-        {
-            var netSocket = (UdpSocket)socket;
-
-            return new SocketStream(netSocket.Socket, ownsSocket);
-        }
+            => new NetworkStream(((UdpSocket)socket).Socket, ownsSocket);
     }
-
-    public class SocketStream : Stream
-    {
-        private readonly Socket _socket;
-
-        public SocketStream(Socket socket, bool ownsSocket)
-        {
-            _socket = socket;
-        }
-
-        public override void Flush()
-        {
-        }
-
-        public override bool CanRead => true;
-
-        public override bool CanSeek => false;
-
-        public override bool CanWrite => true;
-
-        public override long Length => throw new NotImplementedException();
-
-        public override long Position
-        {
-            get => throw new NotImplementedException();
-            set => throw new NotImplementedException();
-        }
-
-        public override void Write(byte[] buffer, int offset, int count)
-        {
-            _socket.Send(buffer, offset, count, SocketFlags.None);
-        }
-
-        public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
-        {
-            return _socket.BeginSend(buffer, offset, count, SocketFlags.None, callback, state);
-        }
-
-        public override void EndWrite(IAsyncResult asyncResult)
-        {
-            _socket.EndSend(asyncResult);
-        }
-
-        public override void SetLength(long value)
-        {
-            throw new NotImplementedException();
-        }
-
-        public override long Seek(long offset, SeekOrigin origin)
-        {
-            throw new NotImplementedException();
-        }
-
-        public override int Read(byte[] buffer, int offset, int count)
-        {
-            return _socket.Receive(buffer, offset, count, SocketFlags.None);
-        }
-
-        public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
-        {
-            return _socket.BeginReceive(buffer, offset, count, SocketFlags.None, callback, state);
-        }
-
-        public override int EndRead(IAsyncResult asyncResult)
-        {
-            return _socket.EndReceive(asyncResult);
-        }
-    }
-
 }

Emby.Server.Implementations/Net/UdpSocket.cs

@@ -11,12 +11,15 @@ namespace Emby.Server.Implementations.Net
     // THIS IS A LINKED FILE - SHARED AMONGST MULTIPLE PLATFORMS
     // Be careful to check any changes compile and work for all platform projects it is shared in.
 
-    public sealed class UdpSocket : DisposableManagedObjectBase, ISocket
+    public sealed class UdpSocket : ISocket, IDisposable
     {
-        private Socket _Socket;
-        private int _LocalPort;
+        private Socket _socket;
+        private int _localPort;
+        private bool _disposed = false;
 
-        public Socket Socket => _Socket;
+        public Socket Socket => _socket;
+
+        public IpAddressInfo LocalIPAddress { get; }
 
         private readonly SocketAsyncEventArgs _receiveSocketAsyncEventArgs = new SocketAsyncEventArgs()
         {
@@ -35,11 +38,11 @@ namespace Emby.Server.Implementations.Net
         {
             if (socket == null) throw new ArgumentNullException(nameof(socket));
 
-            _Socket = socket;
-            _LocalPort = localPort;
+            _socket = socket;
+            _localPort = localPort;
             LocalIPAddress = NetworkManager.ToIpAddressInfo(ip);
 
-            _Socket.Bind(new IPEndPoint(ip, _LocalPort));
+            _socket.Bind(new IPEndPoint(ip, _localPort));
 
             InitReceiveSocketAsyncEventArgs();
         }
@@ -101,32 +104,26 @@ namespace Emby.Server.Implementations.Net
         {
             if (socket == null) throw new ArgumentNullException(nameof(socket));
 
-            _Socket = socket;
-            _Socket.Connect(NetworkManager.ToIPEndPoint(endPoint));
+            _socket = socket;
+            _socket.Connect(NetworkManager.ToIPEndPoint(endPoint));
 
             InitReceiveSocketAsyncEventArgs();
         }
 
-        public IpAddressInfo LocalIPAddress
-        {
-            get;
-            private set;
-        }
-
         public IAsyncResult BeginReceive(byte[] buffer, int offset, int count, AsyncCallback callback)
         {
             ThrowIfDisposed();
 
             EndPoint receivedFromEndPoint = new IPEndPoint(IPAddress.Any, 0);
 
-            return _Socket.BeginReceiveFrom(buffer, offset, count, SocketFlags.None, ref receivedFromEndPoint, callback, buffer);
+            return _socket.BeginReceiveFrom(buffer, offset, count, SocketFlags.None, ref receivedFromEndPoint, callback, buffer);
         }
 
         public int Receive(byte[] buffer, int offset, int count)
         {
             ThrowIfDisposed();
 
-            return _Socket.Receive(buffer, 0, buffer.Length, SocketFlags.None);
+            return _socket.Receive(buffer, 0, buffer.Length, SocketFlags.None);
         }
 
         public SocketReceiveResult EndReceive(IAsyncResult result)
@@ -136,7 +133,7 @@ namespace Emby.Server.Implementations.Net
             var sender = new IPEndPoint(IPAddress.Any, 0);
             var remoteEndPoint = (EndPoint)sender;
 
-            var receivedBytes = _Socket.EndReceiveFrom(result, ref remoteEndPoint);
+            var receivedBytes = _socket.EndReceiveFrom(result, ref remoteEndPoint);
 
             var buffer = (byte[])result.AsyncState;
 
@@ -236,37 +233,42 @@ namespace Emby.Server.Implementations.Net
 
             var ipEndPoint = NetworkManager.ToIPEndPoint(endPoint);
 
-            return _Socket.BeginSendTo(buffer, offset, size, SocketFlags.None, ipEndPoint, callback, state);
+            return _socket.BeginSendTo(buffer, offset, size, SocketFlags.None, ipEndPoint, callback, state);
         }
 
         public int EndSendTo(IAsyncResult result)
         {
             ThrowIfDisposed();
 
-            return _Socket.EndSendTo(result);
+            return _socket.EndSendTo(result);
         }
 
-        protected override void Dispose(bool disposing)
+        private void ThrowIfDisposed()
         {
-            if (disposing)
+            if (_disposed)
             {
-                var socket = _Socket;
-                if (socket != null)
-                    socket.Dispose();
-
-                var tcs = _currentReceiveTaskCompletionSource;
-                if (tcs != null)
-                {
-                    tcs.TrySetCanceled();
-                }
-                var sendTcs = _currentSendTaskCompletionSource;
-                if (sendTcs != null)
-                {
-                    sendTcs.TrySetCanceled();
-                }
+                throw new ObjectDisposedException(nameof(UdpSocket));
             }
         }
 
+        public void Dispose()
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            _socket?.Dispose();
+            _currentReceiveTaskCompletionSource?.TrySetCanceled();
+            _currentSendTaskCompletionSource?.TrySetCanceled();
+
+            _socket = null;
+            _currentReceiveTaskCompletionSource = null;
+            _currentSendTaskCompletionSource = null;
+
+            _disposed = true;
+        }
+
         private static IpEndPointInfo ToIpEndPointInfo(IPEndPoint endpoint)
         {
             if (endpoint == null)

Emby.Server.Implementations/Net/WebSocketConnectEventArgs.cs

@@ -1,5 +1,7 @@
 using System;
+using System.Net.WebSockets;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
 
 namespace Emby.Server.Implementations.Net
 {
@@ -14,7 +16,7 @@ namespace Emby.Server.Implementations.Net
         /// Gets or sets the query string.
         /// </summary>
         /// <value>The query string.</value>
-        public QueryParamCollection QueryString { get; set; }
+        public IQueryCollection QueryString { get; set; }
         /// <summary>
         /// Gets or sets the web socket.
         /// </summary>

Emby.Server.Implementations/Networking/NetworkManager.cs

@@ -7,11 +7,11 @@ using System.Net.NetworkInformation;
 using System.Net.Sockets;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Net;
-using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Net;
 using MediaBrowser.Model.System;
 using Microsoft.Extensions.Logging;
+using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
 
 namespace Emby.Server.Implementations.Networking
 {
@@ -22,14 +22,12 @@ namespace Emby.Server.Implementations.Networking
         public event EventHandler NetworkChanged;
         public Func<string[]> LocalSubnetsFn { get; set; }
 
-        public NetworkManager(
-            ILoggerFactory loggerFactory,
-            IEnvironmentInfo environment)
+        public NetworkManager(ILoggerFactory loggerFactory)
         {
             Logger = loggerFactory.CreateLogger(nameof(NetworkManager));
 
             // In FreeBSD these events cause a crash
-            if (environment.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.BSD)
+            if (OperatingSystem.Id != OperatingSystemId.BSD)
             {
                 try
                 {

Emby.Server.Implementations/Playlists/PlaylistImageProvider.cs

@@ -24,7 +24,7 @@ namespace Emby.Server.Implementations.Playlists
         {
         }
 
-        protected override List<BaseItem> GetItemsWithImages(BaseItem item)
+        protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
         {
             var playlist = (Playlist)item;
 
@@ -78,7 +78,7 @@ namespace Emby.Server.Implementations.Playlists
             _libraryManager = libraryManager;
         }
 
-        protected override List<BaseItem> GetItemsWithImages(BaseItem item)
+        protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
         {
             return _libraryManager.GetItemList(new InternalItemsQuery
             {
@@ -89,7 +89,6 @@ namespace Emby.Server.Implementations.Playlists
                 Recursive = true,
                 ImageTypes = new[] { ImageType.Primary },
                 DtoOptions = new DtoOptions(false)
-
             });
         }
     }
@@ -103,7 +102,7 @@ namespace Emby.Server.Implementations.Playlists
             _libraryManager = libraryManager;
         }
 
-        protected override List<BaseItem> GetItemsWithImages(BaseItem item)
+        protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
         {
             return _libraryManager.GetItemList(new InternalItemsQuery
             {
@@ -116,11 +115,5 @@ namespace Emby.Server.Implementations.Playlists
                 DtoOptions = new DtoOptions(false)
             });
         }
-
-        //protected override Task<string> CreateImage(IHasMetadata item, List<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
-        //{
-        //    return CreateSingleImage(itemsWithImages, outputPathWithoutExtension, ImageType.Primary);
-        //}
     }
-
 }

Emby.Server.Implementations/Properties/AssemblyInfo.cs

@@ -10,7 +10,7 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("Jellyfin Project")]
 [assembly: AssemblyProduct("Jellyfin Server")]
-[assembly: AssemblyCopyright("Copyright ©  2019 Jellyfin Contributors. Code released under the GNU General Public License Version 2")]
+[assembly: AssemblyCopyright("Copyright ©  2019 Jellyfin Contributors. Code released under the GNU General Public License")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 [assembly: NeutralResourcesLanguage("en")]

Emby.Server.Implementations/Reflection/AssemblyInfo.cs

@@ -1,25 +0,0 @@
-using System;
-using System.IO;
-using System.Reflection;
-using MediaBrowser.Model.Reflection;
-
-namespace Emby.Server.Implementations.Reflection
-{
-    public class AssemblyInfo : IAssemblyInfo
-    {
-        public Stream GetManifestResourceStream(Type type, string resource)
-        {
-            return type.Assembly.GetManifestResourceStream(resource);
-        }
-
-        public string[] GetManifestResourceNames(Type type)
-        {
-            return type.Assembly.GetManifestResourceNames();
-        }
-
-        public Assembly[] GetCurrentAssemblies()
-        {
-            return AppDomain.CurrentDomain.GetAssemblies();
-        }
-    }
-}

Emby.Server.Implementations/ServerApplicationPaths.cs

@@ -17,11 +17,13 @@ namespace Emby.Server.Implementations
             string programDataPath,
             string logDirectoryPath,
             string configurationDirectoryPath,
-            string cacheDirectoryPath)
+            string cacheDirectoryPath,
+            string webDirectoryPath)
             : base(programDataPath,
                 logDirectoryPath,
                 configurationDirectoryPath,
-                cacheDirectoryPath)
+                cacheDirectoryPath,
+                webDirectoryPath)
         {
         }
 

Emby.Server.Implementations/Services/HttpResult.cs

@@ -43,14 +43,9 @@ namespace Emby.Server.Implementations.Services
             {
                 var contentLength = bytesResponse.Length;
 
-                if (response != null)
-                {
-                    response.SetContentLength(contentLength);
-                }
-
                 if (contentLength > 0)
                 {
-                    await responseStream.WriteAsync(bytesResponse, 0, contentLength).ConfigureAwait(false);
+                    await responseStream.WriteAsync(bytesResponse, 0, contentLength, cancellationToken).ConfigureAwait(false);
                 }
                 return;
             }

Emby.Server.Implementations/Services/ResponseHelper.cs

@@ -20,8 +20,6 @@ namespace Emby.Server.Implementations.Services
                 {
                     response.StatusCode = (int)HttpStatusCode.NoContent;
                 }
-
-                response.SetContentLength(0);
                 return Task.CompletedTask;
             }
 
@@ -55,7 +53,6 @@ namespace Emby.Server.Implementations.Services
                 {
                     if (string.Equals(responseHeaders.Key, "Content-Length", StringComparison.OrdinalIgnoreCase))
                     {
-                        response.SetContentLength(long.Parse(responseHeaders.Value));
                         continue;
                     }
 
@@ -104,7 +101,6 @@ namespace Emby.Server.Implementations.Services
             if (bytes != null)
             {
                 response.ContentType = "application/octet-stream";
-                response.SetContentLength(bytes.Length);
 
                 if (bytes.Length > 0)
                 {
@@ -117,7 +113,6 @@ namespace Emby.Server.Implementations.Services
             if (responseText != null)
             {
                 bytes = Encoding.UTF8.GetBytes(responseText);
-                response.SetContentLength(bytes.Length);
                 if (bytes.Length > 0)
                 {
                     return response.OutputStream.WriteAsync(bytes, 0, bytes.Length, cancellationToken);
@@ -149,8 +144,6 @@ namespace Emby.Server.Implementations.Services
 
                 var contentLength = ms.Length;
 
-                response.SetContentLength(contentLength);
-
                 if (contentLength > 0)
                 {
                     await ms.CopyToAsync(response.OutputStream).ConfigureAwait(false);

Emby.Server.Implementations/Services/ServiceExec.cs

@@ -78,7 +78,7 @@ namespace Emby.Server.Implementations.Services
                     foreach (var requestFilter in actionContext.RequestFilters)
                     {
                         requestFilter.RequestFilter(request, request.Response, requestDto);
-                        if (request.Response.IsClosed)
+                        if (request.Response.OriginalResponse.HasStarted)
                         {
                             Task.FromResult<object>(null);
                         }

Emby.Server.Implementations/Services/ServiceHandler.cs

@@ -154,7 +154,7 @@ namespace Emby.Server.Implementations.Services
             {
                 if (name == null) continue; //thank you ASP.NET
 
-                var values = request.QueryString.GetValues(name);
+                var values = request.QueryString[name];
                 if (values.Count == 1)
                 {
                     map[name] = values[0];

Emby.Server.Implementations/Session/SessionManager.cs

@@ -116,14 +116,14 @@ namespace Emby.Server.Implementations.Session
             _authRepo = authRepo;
             _deviceManager = deviceManager;
             _mediaSourceManager = mediaSourceManager;
-            _deviceManager.DeviceOptionsUpdated += _deviceManager_DeviceOptionsUpdated;
+            _deviceManager.DeviceOptionsUpdated += OnDeviceManagerDeviceOptionsUpdated;
         }
 
-        private void _deviceManager_DeviceOptionsUpdated(object sender, GenericEventArgs<Tuple<string, DeviceOptions>> e)
+        private void OnDeviceManagerDeviceOptionsUpdated(object sender, GenericEventArgs<Tuple<string, DeviceOptions>> e)
         {
             foreach (var session in Sessions)
             {
-                if (string.Equals(session.DeviceId, e.Argument.Item1))
+                if (string.Equals(session.DeviceId, e.Argument.Item1, StringComparison.Ordinal))
                 {
                     if (!string.IsNullOrWhiteSpace(e.Argument.Item2.CustomName))
                     {
@@ -138,11 +138,29 @@ namespace Emby.Server.Implementations.Session
             }
         }
 
-        private bool _disposed;
+        private bool _disposed = false;
+
         public void Dispose()
         {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            if (disposing)
+            {
+                // TODO: dispose stuff
+            }
+
+            _deviceManager.DeviceOptionsUpdated -= OnDeviceManagerDeviceOptionsUpdated;
+
             _disposed = true;
-            _deviceManager.DeviceOptionsUpdated -= _deviceManager_DeviceOptionsUpdated;
         }
 
         public void CheckDisposed()
@@ -157,7 +175,7 @@ namespace Emby.Server.Implementations.Session
         /// Gets all connections.
         /// </summary>
         /// <value>All connections.</value>
-        public IEnumerable<SessionInfo> Sessions => _activeConnections.Values.OrderByDescending(c => c.LastActivityDate).ToList();
+        public IEnumerable<SessionInfo> Sessions => _activeConnections.Values.OrderByDescending(c => c.LastActivityDate);
 
         private void OnSessionStarted(SessionInfo info)
         {
@@ -171,20 +189,27 @@ namespace Emby.Server.Implementations.Session
                 }
             }
 
-            EventHelper.QueueEventIfNotNull(SessionStarted, this, new SessionEventArgs
-            {
-                SessionInfo = info
-
-            }, _logger);
+            EventHelper.QueueEventIfNotNull(
+                SessionStarted,
+                this,
+                new SessionEventArgs
+                {
+                    SessionInfo = info
+                },
+                _logger);
         }
 
         private void OnSessionEnded(SessionInfo info)
         {
-            EventHelper.QueueEventIfNotNull(SessionEnded, this, new SessionEventArgs
-            {
-                SessionInfo = info
+            EventHelper.QueueEventIfNotNull(
+                SessionEnded,
+                this,
+                new SessionEventArgs
+                {
+                    SessionInfo = info
 
-            }, _logger);
+                },
+                _logger);
 
             info.Dispose();
         }
@@ -192,9 +217,6 @@ namespace Emby.Server.Implementations.Session
         public void UpdateDeviceName(string sessionId, string deviceName)
         {
             var session = GetSession(sessionId);
-
-            var key = GetSessionKey(session.Client, session.DeviceId);
-
             if (session != null)
             {
                 session.DeviceName = deviceName;
@@ -210,10 +232,10 @@ namespace Emby.Server.Implementations.Session
         /// <param name="deviceName">Name of the device.</param>
         /// <param name="remoteEndPoint">The remote end point.</param>
         /// <param name="user">The user.</param>
-        /// <returns>Task.</returns>
+        /// <returns>SessionInfo.</returns>
         /// <exception cref="ArgumentNullException">user</exception>
-        /// <exception cref="UnauthorizedAccessException"></exception>
-        public SessionInfo LogSessionActivity(string appName,
+        public SessionInfo LogSessionActivity(
+            string appName,
             string appVersion,
             string deviceId,
             string deviceName,
@@ -226,10 +248,12 @@ namespace Emby.Server.Implementations.Session
             {
                 throw new ArgumentNullException(nameof(appName));
             }
+
             if (string.IsNullOrEmpty(appVersion))
             {
                 throw new ArgumentNullException(nameof(appVersion));
             }
+
             if (string.IsNullOrEmpty(deviceId))
             {
                 throw new ArgumentNullException(nameof(deviceId));
@@ -260,10 +284,12 @@ namespace Emby.Server.Implementations.Session
 
             if ((activityDate - lastActivityDate).TotalSeconds > 10)
             {
-                SessionActivity?.Invoke(this, new SessionEventArgs
-                {
-                    SessionInfo = session
-                });
+                SessionActivity?.Invoke(
+                    this,
+                    new SessionEventArgs
+                    {
+                        SessionInfo = session
+                    });
             }
 
             return session;
@@ -304,6 +330,7 @@ namespace Emby.Server.Implementations.Session
         /// <summary>
         /// Updates the now playing item id.
         /// </summary>
+        /// <returns>Task.</returns>
         private async Task UpdateNowPlayingItem(SessionInfo session, PlaybackProgressInfo info, BaseItem libraryItem, bool updateLastCheckInTime)
         {
             if (string.IsNullOrEmpty(info.MediaSourceId))
@@ -418,7 +445,7 @@ namespace Emby.Server.Implementations.Session
             });
 
             sessionInfo.UserId = user == null ? Guid.Empty : user.Id;
-            sessionInfo.UserName = user == null ? null : user.Name;
+            sessionInfo.UserName = user?.Name;
             sessionInfo.UserPrimaryImageTag = user == null ? null : GetImageCacheTag(user, ImageType.Primary);
             sessionInfo.RemoteEndPoint = remoteEndPoint;
             sessionInfo.Client = appName;
@@ -432,7 +459,7 @@ namespace Emby.Server.Implementations.Session
 
             if (user == null)
             {
-                sessionInfo.AdditionalUsers = new SessionUserInfo[] { };
+                sessionInfo.AdditionalUsers = Array.Empty<SessionUserInfo>();
             }
 
             return sessionInfo;
@@ -449,9 +476,9 @@ namespace Emby.Server.Implementations.Session
                 ServerId = _appHost.SystemId
             };
 
-            var username = user == null ? null : user.Name;
+            var username = user?.Name;
 
-            sessionInfo.UserId = user == null ? Guid.Empty : user.Id;
+            sessionInfo.UserId = user?.Id ?? Guid.Empty;
             sessionInfo.UserName = username;
             sessionInfo.UserPrimaryImageTag = user == null ? null : GetImageCacheTag(user, ImageType.Primary);
             sessionInfo.RemoteEndPoint = remoteEndPoint;
@@ -508,6 +535,7 @@ namespace Emby.Server.Implementations.Session
                 _idleTimer = new Timer(CheckForIdlePlayback, null, TimeSpan.FromMinutes(5), TimeSpan.FromMinutes(5));
             }
         }
+
         private void StopIdleCheckTimer()
         {
             if (_idleTimer != null)
@@ -539,9 +567,9 @@ namespace Emby.Server.Implementations.Session
                             Item = session.NowPlayingItem,
                             ItemId = session.NowPlayingItem == null ? Guid.Empty : session.NowPlayingItem.Id,
                             SessionId = session.Id,
-                            MediaSourceId = session.PlayState == null ? null : session.PlayState.MediaSourceId,
-                            PositionTicks = session.PlayState == null ? null : session.PlayState.PositionTicks
-                        });
+                            MediaSourceId = session.PlayState?.MediaSourceId,
+                            PositionTicks = session.PlayState?.PositionTicks
+                        }).ConfigureAwait(false);
                     }
                     catch (Exception ex)
                     {
@@ -616,18 +644,22 @@ namespace Emby.Server.Implementations.Session
 
             // Nothing to save here
             // Fire events to inform plugins
-            EventHelper.QueueEventIfNotNull(PlaybackStart, this, new PlaybackProgressEventArgs
-            {
-                Item = libraryItem,
-                Users = users,
-                MediaSourceId = info.MediaSourceId,
-                MediaInfo = info.Item,
-                DeviceName = session.DeviceName,
-                ClientName = session.Client,
-                DeviceId = session.DeviceId,
-                Session = session
+            EventHelper.QueueEventIfNotNull(
+                PlaybackStart,
+                this,
+                new PlaybackProgressEventArgs
+                {
+                    Item = libraryItem,
+                    Users = users,
+                    MediaSourceId = info.MediaSourceId,
+                    MediaInfo = info.Item,
+                    DeviceName = session.DeviceName,
+                    ClientName = session.Client,
+                    DeviceId = session.DeviceId,
+                    Session = session
 
-            }, _logger);
+                },
+                _logger);
 
             StartIdleCheckTimer();
         }
@@ -667,6 +699,7 @@ namespace Emby.Server.Implementations.Session
         /// <summary>
         /// Used to report playback progress for an item
         /// </summary>
+        /// <returns>Task.</returns>
         public async Task OnPlaybackProgress(PlaybackProgressInfo info, bool isAutomated)
         {
             CheckDisposed();
@@ -695,21 +728,23 @@ namespace Emby.Server.Implementations.Session
                 }
             }
 
-            PlaybackProgress?.Invoke(this, new PlaybackProgressEventArgs
-            {
-                Item = libraryItem,
-                Users = users,
-                PlaybackPositionTicks = session.PlayState.PositionTicks,
-                MediaSourceId = session.PlayState.MediaSourceId,
-                MediaInfo = info.Item,
-                DeviceName = session.DeviceName,
-                ClientName = session.Client,
-                DeviceId = session.DeviceId,
-                IsPaused = info.IsPaused,
-                PlaySessionId = info.PlaySessionId,
-                IsAutomated = isAutomated,
-                Session = session
-            });
+            PlaybackProgress?.Invoke(
+                this,
+                new PlaybackProgressEventArgs
+                {
+                    Item = libraryItem,
+                    Users = users,
+                    PlaybackPositionTicks = session.PlayState.PositionTicks,
+                    MediaSourceId = session.PlayState.MediaSourceId,
+                    MediaInfo = info.Item,
+                    DeviceName = session.DeviceName,
+                    ClientName = session.Client,
+                    DeviceId = session.DeviceId,
+                    IsPaused = info.IsPaused,
+                    PlaySessionId = info.PlaySessionId,
+                    IsAutomated = isAutomated,
+                    Session = session
+                });
 
             if (!isAutomated)
             {
@@ -830,8 +865,7 @@ namespace Emby.Server.Implementations.Session
                 {
                     MediaSourceInfo mediaSource = null;
 
-                    var hasMediaSources = libraryItem as IHasMediaSources;
-                    if (hasMediaSources != null)
+                    if (libraryItem is IHasMediaSources hasMediaSources)
                     {
                         mediaSource = await GetMediaSource(libraryItem, info.MediaSourceId, info.LiveStreamId).ConfigureAwait(false);
                     }
@@ -848,7 +882,8 @@ namespace Emby.Server.Implementations.Session
             {
                 var msString = info.PositionTicks.HasValue ? (info.PositionTicks.Value / 10000).ToString(CultureInfo.InvariantCulture) : "unknown";
 
-                _logger.LogInformation("Playback stopped reported by app {0} {1} playing {2}. Stopped at {3} ms",
+                _logger.LogInformation(
+                    "Playback stopped reported by app {0} {1} playing {2}. Stopped at {3} ms",
                     session.Client,
                     session.ApplicationVersion,
                     info.Item.Name,
@@ -887,20 +922,24 @@ namespace Emby.Server.Implementations.Session
                 }
             }
 
-            EventHelper.QueueEventIfNotNull(PlaybackStopped, this, new PlaybackStopEventArgs
-            {
-                Item = libraryItem,
-                Users = users,
-                PlaybackPositionTicks = info.PositionTicks,
-                PlayedToCompletion = playedToCompletion,
-                MediaSourceId = info.MediaSourceId,
-                MediaInfo = info.Item,
-                DeviceName = session.DeviceName,
-                ClientName = session.Client,
-                DeviceId = session.DeviceId,
-                Session = session
+            EventHelper.QueueEventIfNotNull(
+                PlaybackStopped,
+                this,
+                new PlaybackStopEventArgs
+                {
+                    Item = libraryItem,
+                    Users = users,
+                    PlaybackPositionTicks = info.PositionTicks,
+                    PlayedToCompletion = playedToCompletion,
+                    MediaSourceId = info.MediaSourceId,
+                    MediaInfo = info.Item,
+                    DeviceName = session.DeviceName,
+                    ClientName = session.Client,
+                    DeviceId = session.DeviceId,
+                    Session = session
 
-            }, _logger);
+                },
+                _logger);
         }
 
         private bool OnPlaybackStopped(User user, BaseItem item, long? positionTicks, bool playbackFailed)
@@ -936,11 +975,10 @@ namespace Emby.Server.Implementations.Session
         /// <param name="sessionId">The session identifier.</param>
         /// <param name="throwOnMissing">if set to <c>true</c> [throw on missing].</param>
         /// <returns>SessionInfo.</returns>
-        /// <exception cref="ResourceNotFoundException"></exception>
+        /// <exception cref="ResourceNotFoundException">sessionId</exception>
         private SessionInfo GetSession(string sessionId, bool throwOnMissing = true)
         {
-            var session = Sessions.FirstOrDefault(i => string.Equals(i.Id, sessionId));
-
+            var session = Sessions.FirstOrDefault(i => string.Equals(i.Id, sessionId, StringComparison.Ordinal));
             if (session == null && throwOnMissing)
             {
                 throw new ResourceNotFoundException(string.Format("Session {0} not found.", sessionId));
@@ -952,7 +990,7 @@ namespace Emby.Server.Implementations.Session
         private SessionInfo GetSessionToRemoteControl(string sessionId)
         {
             // Accept either device id or session id
-            var session = Sessions.FirstOrDefault(i => string.Equals(i.Id, sessionId));
+            var session = Sessions.FirstOrDefault(i => string.Equals(i.Id, sessionId, StringComparison.Ordinal));
 
             if (session == null)
             {
@@ -1061,10 +1099,12 @@ namespace Emby.Server.Implementations.Session
                     var series = episode.Series;
                     if (series != null)
                     {
-                        var episodes = series.GetEpisodes(user, new DtoOptions(false)
-                        {
-                            EnableImages = false
-                        })
+                        var episodes = series.GetEpisodes(
+                                user,
+                                new DtoOptions(false)
+                                {
+                                    EnableImages = false
+                                })
                             .Where(i => !i.IsVirtualItem)
                             .SkipWhile(i => i.Id != episode.Id)
                             .ToList();
@@ -1100,9 +1140,7 @@ namespace Emby.Server.Implementations.Session
                 return new List<BaseItem>();
             }
 
-            var byName = item as IItemByName;
-
-            if (byName != null)
+            if (item is IItemByName byName)
             {
                 return byName.GetTaggedItems(new InternalItemsQuery(user)
                 {
@@ -1152,7 +1190,7 @@ namespace Emby.Server.Implementations.Session
 
             if (item == null)
             {
-                _logger.LogError("A non-existant item Id {0} was passed into TranslateItemForInstantMix", id);
+                _logger.LogError("A non-existent item Id {0} was passed into TranslateItemForInstantMix", id);
                 return new List<BaseItem>();
             }
 
@@ -1163,13 +1201,15 @@ namespace Emby.Server.Implementations.Session
         {
             var generalCommand = new GeneralCommand
             {
-                Name = GeneralCommandType.DisplayContent.ToString()
+                Name = GeneralCommandType.DisplayContent.ToString(),
+                Arguments =
+                {
+                    ["ItemId"] = command.ItemId,
+                    ["ItemName"] = command.ItemName,
+                    ["ItemType"] = command.ItemType
+                }
             };
 
-            generalCommand.Arguments["ItemId"] = command.ItemId;
-            generalCommand.Arguments["ItemName"] = command.ItemName;
-            generalCommand.Arguments["ItemType"] = command.ItemType;
-
             return SendGeneralCommand(controllingSessionId, sessionId, generalCommand, cancellationToken);
         }
 
@@ -1410,7 +1450,8 @@ namespace Emby.Server.Implementations.Session
 
             var token = GetAuthorizationToken(user, request.DeviceId, request.App, request.AppVersion, request.DeviceName);
 
-            var session = LogSessionActivity(request.App,
+            var session = LogSessionActivity(
+                request.App,
                 request.AppVersion,
                 request.DeviceId,
                 request.DeviceName,
@@ -1454,9 +1495,9 @@ namespace Emby.Server.Implementations.Session
                     {
                         Logout(auth);
                     }
-                    catch
+                    catch (Exception ex)
                     {
-
+                        _logger.LogError(ex, "Error while logging out.");
                     }
                 }
             }
@@ -1572,7 +1613,8 @@ namespace Emby.Server.Implementations.Session
             ReportCapabilities(session, capabilities, true);
         }
 
-        private void ReportCapabilities(SessionInfo session,
+        private void ReportCapabilities(
+            SessionInfo session,
             ClientCapabilities capabilities,
             bool saveCapabilities)
         {
@@ -1580,10 +1622,12 @@ namespace Emby.Server.Implementations.Session
 
             if (saveCapabilities)
             {
-                CapabilitiesChanged?.Invoke(this, new SessionEventArgs
-                {
-                    SessionInfo = session
-                });
+                CapabilitiesChanged?.Invoke(
+                    this,
+                    new SessionEventArgs
+                    {
+                        SessionInfo = session
+                    });
 
                 try
                 {

Emby.Server.Implementations/Session/SessionWebSocketListener.cs

@@ -5,6 +5,7 @@ using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Session
@@ -62,7 +63,7 @@ namespace Emby.Server.Implementations.Session
             }
         }
 
-        private SessionInfo GetSession(QueryParamCollection queryString, string remoteEndpoint)
+        private SessionInfo GetSession(IQueryCollection queryString, string remoteEndpoint)
         {
             if (queryString == null)
             {

Emby.Server.Implementations/SocketSharp/HttpFile.cs

@@ -0,0 +1,18 @@
+using System.IO;
+using MediaBrowser.Model.Services;
+
+namespace Emby.Server.Implementations.SocketSharp
+{
+    public class HttpFile : IHttpFile
+    {
+        public string Name { get; set; }
+
+        public string FileName { get; set; }
+
+        public long ContentLength { get; set; }
+
+        public string ContentType { get; set; }
+
+        public Stream InputStream { get; set; }
+    }
+}

Emby.Server.Implementations/SocketSharp/HttpPostedFile.cs

@@ -0,0 +1,204 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Services;
+
+public sealed class HttpPostedFile : IDisposable
+{
+    private string _name;
+    private string _contentType;
+    private Stream _stream;
+    private bool _disposed = false;
+
+    internal HttpPostedFile(string name, string content_type, Stream base_stream, long offset, long length)
+    {
+        _name = name;
+        _contentType = content_type;
+        _stream = new ReadSubStream(base_stream, offset, length);
+    }
+
+    public string ContentType => _contentType;
+
+    public int ContentLength => (int)_stream.Length;
+
+    public string FileName => _name;
+
+    public Stream InputStream => _stream;
+
+    /// <summary>
+    /// Releases the unmanaged resources and disposes of the managed resources used.
+    /// </summary>
+    public void Dispose()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        _stream.Dispose();
+        _stream = null;
+
+        _name = null;
+        _contentType = null;
+
+        _disposed = true;
+    }
+
+    private class ReadSubStream : Stream
+    {
+        private Stream _stream;
+        private long _offset;
+        private long _end;
+        private long _position;
+
+        public ReadSubStream(Stream s, long offset, long length)
+        {
+            _stream = s;
+            _offset = offset;
+            _end = offset + length;
+            _position = offset;
+        }
+
+        public override bool CanRead => true;
+
+        public override bool CanSeek => true;
+
+        public override bool CanWrite => false;
+
+        public override long Length => _end - _offset;
+
+        public override long Position
+        {
+            get => _position - _offset;
+            set
+            {
+                if (value > Length)
+                {
+                    throw new ArgumentOutOfRangeException(nameof(value));
+                }
+
+                _position = Seek(value, SeekOrigin.Begin);
+            }
+        }
+
+        public override void Flush()
+        {
+        }
+
+        public override int Read(byte[] buffer, int dest_offset, int count)
+        {
+            if (buffer == null)
+            {
+                throw new ArgumentNullException(nameof(buffer));
+            }
+
+            if (dest_offset < 0)
+            {
+                throw new ArgumentOutOfRangeException(nameof(dest_offset), "< 0");
+            }
+
+            if (count < 0)
+            {
+                throw new ArgumentOutOfRangeException(nameof(count), "< 0");
+            }
+
+            int len = buffer.Length;
+            if (dest_offset > len)
+            {
+                throw new ArgumentException("destination offset is beyond array size", nameof(dest_offset));
+            }
+
+            // reordered to avoid possible integer overflow
+            if (dest_offset > len - count)
+            {
+                throw new ArgumentException("Reading would overrun buffer", nameof(count));
+            }
+
+            if (count > _end - _position)
+            {
+                count = (int)(_end - _position);
+            }
+
+            if (count <= 0)
+            {
+                return 0;
+            }
+
+            _stream.Position = _position;
+            int result = _stream.Read(buffer, dest_offset, count);
+            if (result > 0)
+            {
+                _position += result;
+            }
+            else
+            {
+                _position = _end;
+            }
+
+            return result;
+        }
+
+        public override int ReadByte()
+        {
+            if (_position >= _end)
+            {
+                return -1;
+            }
+
+            _stream.Position = _position;
+            int result = _stream.ReadByte();
+            if (result < 0)
+            {
+                _position = _end;
+            }
+            else
+            {
+                _position++;
+            }
+
+            return result;
+        }
+
+        public override long Seek(long d, SeekOrigin origin)
+        {
+            long real;
+            switch (origin)
+            {
+                case SeekOrigin.Begin:
+                    real = _offset + d;
+                    break;
+                case SeekOrigin.End:
+                    real = _end + d;
+                    break;
+                case SeekOrigin.Current:
+                    real = _position + d;
+                    break;
+                default:
+                    throw new ArgumentException("Unknown SeekOrigin value", nameof(origin));
+            }
+
+            long virt = real - _offset;
+            if (virt < 0 || virt > Length)
+            {
+                throw new ArgumentException("Invalid position", nameof(d));
+            }
+
+            _position = _stream.Seek(real, SeekOrigin.Begin);
+            return _position;
+        }
+
+        public override void SetLength(long value)
+        {
+            throw new NotSupportedException();
+        }
+
+        public override void Write(byte[] buffer, int offset, int count)
+        {
+            throw new NotSupportedException();
+        }
+    }
+}

Emby.Server.Implementations/SocketSharp/RequestMono.cs

@@ -0,0 +1,659 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Services;
+using Microsoft.Extensions.Primitives;
+using Microsoft.Net.Http.Headers;
+
+namespace Emby.Server.Implementations.SocketSharp
+{
+    public partial class WebSocketSharpRequest : IHttpRequest
+    {
+        internal static string GetParameter(ReadOnlySpan<char> header, string attr)
+        {
+            int ap = header.IndexOf(attr.AsSpan(), StringComparison.Ordinal);
+            if (ap == -1)
+            {
+                return null;
+            }
+
+            ap += attr.Length;
+            if (ap >= header.Length)
+            {
+                return null;
+            }
+
+            char ending = header[ap];
+            if (ending != '"')
+            {
+                ending = ' ';
+            }
+
+            var slice = header.Slice(ap + 1);
+            int end = slice.IndexOf(ending);
+            if (end == -1)
+            {
+                return ending == '"' ? null : header.Slice(ap).ToString();
+            }
+
+            return slice.Slice(0, end - ap - 1).ToString();
+        }
+
+        private async Task LoadMultiPart(WebROCollection form)
+        {
+            string boundary = GetParameter(ContentType.AsSpan(), "; boundary=");
+            if (boundary == null)
+            {
+                return;
+            }
+
+            using (var requestStream = InputStream)
+            {
+                // DB: 30/01/11 - Hack to get around non-seekable stream and received HTTP request
+                // Not ending with \r\n?
+                var ms = new MemoryStream(32 * 1024);
+                await requestStream.CopyToAsync(ms).ConfigureAwait(false);
+
+                var input = ms;
+                ms.WriteByte((byte)'\r');
+                ms.WriteByte((byte)'\n');
+
+                input.Position = 0;
+
+                // Uncomment to debug
+                // var content = new StreamReader(ms).ReadToEnd();
+                // Console.WriteLine(boundary + "::" + content);
+                // input.Position = 0;
+
+                var multi_part = new HttpMultipart(input, boundary, ContentEncoding);
+
+                HttpMultipart.Element e;
+                while ((e = multi_part.ReadNextElement()) != null)
+                {
+                    if (e.Filename == null)
+                    {
+                        byte[] copy = new byte[e.Length];
+
+                        input.Position = e.Start;
+                        await input.ReadAsync(copy, 0, (int)e.Length).ConfigureAwait(false);
+
+                        form.Add(e.Name, (e.Encoding ?? ContentEncoding).GetString(copy, 0, copy.Length));
+                    }
+                    else
+                    {
+                        // We use a substream, as in 2.x we will support large uploads streamed to disk,
+                        var sub = new HttpPostedFile(e.Filename, e.ContentType, input, e.Start, e.Length);
+                        files[e.Name] = sub;
+                    }
+                }
+            }
+        }
+
+        public async Task<QueryParamCollection> GetFormData()
+        {
+            var form = new WebROCollection();
+            files = new Dictionary<string, HttpPostedFile>();
+
+            if (IsContentType("multipart/form-data"))
+            {
+                await LoadMultiPart(form).ConfigureAwait(false);
+            }
+            else if (IsContentType("application/x-www-form-urlencoded"))
+            {
+                await LoadWwwForm(form).ConfigureAwait(false);
+            }
+
+            if (validate_form && !checked_form)
+            {
+                checked_form = true;
+                ValidateNameValueCollection("Form", form);
+            }
+
+            return form;
+        }
+
+        public string Accept => StringValues.IsNullOrEmpty(request.Headers[HeaderNames.Accept]) ? null : request.Headers[HeaderNames.Accept].ToString();
+
+        public string Authorization => StringValues.IsNullOrEmpty(request.Headers[HeaderNames.Authorization]) ? null : request.Headers[HeaderNames.Authorization].ToString();
+
+        protected bool validate_form { get; set; }
+        protected bool checked_form { get; set; }
+
+        private static void ThrowValidationException(string name, string key, string value)
+        {
+            string v = "\"" + value + "\"";
+            if (v.Length > 20)
+            {
+                v = v.Substring(0, 16) + "...\"";
+            }
+
+            string msg = string.Format(
+                CultureInfo.InvariantCulture,
+                "A potentially dangerous Request.{0} value was detected from the client ({1}={2}).",
+                name,
+                key,
+                v);
+
+            throw new Exception(msg);
+        }
+
+        private static void ValidateNameValueCollection(string name, QueryParamCollection coll)
+        {
+            if (coll == null)
+            {
+                return;
+            }
+
+            foreach (var pair in coll)
+            {
+                var key = pair.Name;
+                var val = pair.Value;
+                if (val != null && val.Length > 0 && IsInvalidString(val))
+                {
+                    ThrowValidationException(name, key, val);
+                }
+            }
+        }
+
+        internal static bool IsInvalidString(string val)
+            => IsInvalidString(val, out var validationFailureIndex);
+
+        internal static bool IsInvalidString(string val, out int validationFailureIndex)
+        {
+            validationFailureIndex = 0;
+
+            int len = val.Length;
+            if (len < 2)
+            {
+                return false;
+            }
+
+            char current = val[0];
+            for (int idx = 1; idx < len; idx++)
+            {
+                char next = val[idx];
+
+                // See http://secunia.com/advisories/14325
+                if (current == '<' || current == '\xff1c')
+                {
+                    if (next == '!' || next < ' '
+                        || (next >= 'a' && next <= 'z')
+                        || (next >= 'A' && next <= 'Z'))
+                    {
+                        validationFailureIndex = idx - 1;
+                        return true;
+                    }
+                }
+                else if (current == '&' && next == '#')
+                {
+                    validationFailureIndex = idx - 1;
+                    return true;
+                }
+
+                current = next;
+            }
+
+            return false;
+        }
+
+        private bool IsContentType(string ct)
+        {
+            if (ContentType == null)
+            {
+                return false;
+            }
+
+            return ContentType.StartsWith(ct, StringComparison.OrdinalIgnoreCase);
+        }
+
+        private async Task LoadWwwForm(WebROCollection form)
+        {
+            using (var input = InputStream)
+            {
+                using (var ms = new MemoryStream())
+                {
+                    await input.CopyToAsync(ms).ConfigureAwait(false);
+                    ms.Position = 0;
+
+                    using (var s = new StreamReader(ms, ContentEncoding))
+                    {
+                        var key = new StringBuilder();
+                        var value = new StringBuilder();
+                        int c;
+
+                        while ((c = s.Read()) != -1)
+                        {
+                            if (c == '=')
+                            {
+                                value.Length = 0;
+                                while ((c = s.Read()) != -1)
+                                {
+                                    if (c == '&')
+                                    {
+                                        AddRawKeyValue(form, key, value);
+                                        break;
+                                    }
+                                    else
+                                    {
+                                        value.Append((char)c);
+                                    }
+                                }
+
+                                if (c == -1)
+                                {
+                                    AddRawKeyValue(form, key, value);
+                                    return;
+                                }
+                            }
+                            else if (c == '&')
+                            {
+                                AddRawKeyValue(form, key, value);
+                            }
+                            else
+                            {
+                                key.Append((char)c);
+                            }
+                        }
+
+                        if (c == -1)
+                        {
+                            AddRawKeyValue(form, key, value);
+                        }
+                    }
+                }
+            }
+        }
+
+        private static void AddRawKeyValue(WebROCollection form, StringBuilder key, StringBuilder value)
+        {
+            form.Add(WebUtility.UrlDecode(key.ToString()), WebUtility.UrlDecode(value.ToString()));
+
+            key.Length = 0;
+            value.Length = 0;
+        }
+
+        private Dictionary<string, HttpPostedFile> files;
+
+        private class WebROCollection : QueryParamCollection
+        {
+            public override string ToString()
+            {
+                var result = new StringBuilder();
+                foreach (var pair in this)
+                {
+                    if (result.Length > 0)
+                    {
+                        result.Append('&');
+                    }
+
+                    var key = pair.Name;
+                    if (key != null && key.Length > 0)
+                    {
+                        result.Append(key);
+                        result.Append('=');
+                    }
+
+                    result.Append(pair.Value);
+                }
+
+                return result.ToString();
+            }
+        }
+        private class HttpMultipart
+        {
+
+            public class Element
+            {
+                public string ContentType { get; set; }
+
+                public string Name { get; set; }
+
+                public string Filename { get; set; }
+
+                public Encoding Encoding { get; set; }
+
+                public long Start { get; set; }
+
+                public long Length { get; set; }
+
+                public override string ToString()
+                {
+                    return "ContentType " + ContentType + ", Name " + Name + ", Filename " + Filename + ", Start " +
+                        Start.ToString(CultureInfo.CurrentCulture) + ", Length " + Length.ToString(CultureInfo.CurrentCulture);
+                }
+            }
+
+            private const byte LF = (byte)'\n';
+
+            private const byte CR = (byte)'\r';
+
+            private Stream data;
+
+            private string boundary;
+
+            private byte[] boundaryBytes;
+
+            private byte[] buffer;
+
+            private bool atEof;
+
+            private Encoding encoding;
+
+            private StringBuilder sb;
+
+            // See RFC 2046
+            // In the case of multipart entities, in which one or more different
+            // sets of data are combined in a single body, a "multipart" media type
+            // field must appear in the entity's header.  The body must then contain
+            // one or more body parts, each preceded by a boundary delimiter line,
+            // and the last one followed by a closing boundary delimiter line.
+            // After its boundary delimiter line, each body part then consists of a
+            // header area, a blank line, and a body area.  Thus a body part is
+            // similar to an RFC 822 message in syntax, but different in meaning.
+
+            public HttpMultipart(Stream data, string b, Encoding encoding)
+            {
+                this.data = data;
+                boundary = b;
+                boundaryBytes = encoding.GetBytes(b);
+                buffer = new byte[boundaryBytes.Length + 2]; // CRLF or '--'
+                this.encoding = encoding;
+                sb = new StringBuilder();
+            }
+
+            public Element ReadNextElement()
+            {
+                if (atEof || ReadBoundary())
+                {
+                    return null;
+                }
+
+                var elem = new Element();
+                ReadOnlySpan<char> header;
+                while ((header = ReadHeaders().AsSpan()) != null)
+                {
+                    if (header.StartsWith("Content-Disposition:".AsSpan(), StringComparison.OrdinalIgnoreCase))
+                    {
+                        elem.Name = GetContentDispositionAttribute(header, "name");
+                        elem.Filename = StripPath(GetContentDispositionAttributeWithEncoding(header, "filename"));
+                    }
+                    else if (header.StartsWith("Content-Type:".AsSpan(), StringComparison.OrdinalIgnoreCase))
+                    {
+                        elem.ContentType = header.Slice("Content-Type:".Length).Trim().ToString();
+                        elem.Encoding = GetEncoding(elem.ContentType);
+                    }
+                }
+
+                long start = data.Position;
+                elem.Start = start;
+                long pos = MoveToNextBoundary();
+                if (pos == -1)
+                {
+                    return null;
+                }
+
+                elem.Length = pos - start;
+                return elem;
+            }
+
+            private string ReadLine()
+            {
+                // CRLF or LF are ok as line endings.
+                bool got_cr = false;
+                int b = 0;
+                sb.Length = 0;
+                while (true)
+                {
+                    b = data.ReadByte();
+                    if (b == -1)
+                    {
+                        return null;
+                    }
+
+                    if (b == LF)
+                    {
+                        break;
+                    }
+
+                    got_cr = b == CR;
+                    sb.Append((char)b);
+                }
+
+                if (got_cr)
+                {
+                    sb.Length--;
+                }
+
+                return sb.ToString();
+            }
+
+            private static string GetContentDispositionAttribute(ReadOnlySpan<char> l, string name)
+            {
+                int idx = l.IndexOf((name + "=\"").AsSpan(), StringComparison.Ordinal);
+                if (idx < 0)
+                {
+                    return null;
+                }
+
+                int begin = idx + name.Length + "=\"".Length;
+                int end = l.Slice(begin).IndexOf('"');
+                if (end < 0)
+                {
+                    return null;
+                }
+
+                if (begin == end)
+                {
+                    return string.Empty;
+                }
+
+                return l.Slice(begin, end - begin).ToString();
+            }
+
+            private string GetContentDispositionAttributeWithEncoding(ReadOnlySpan<char> l, string name)
+            {
+                int idx = l.IndexOf((name + "=\"").AsSpan(), StringComparison.Ordinal);
+                if (idx < 0)
+                {
+                    return null;
+                }
+
+                int begin = idx + name.Length + "=\"".Length;
+                int end = l.Slice(begin).IndexOf('"');
+                if (end < 0)
+                {
+                    return null;
+                }
+
+                if (begin == end)
+                {
+                    return string.Empty;
+                }
+
+                ReadOnlySpan<char> temp = l.Slice(begin, end - begin);
+                byte[] source = new byte[temp.Length];
+                for (int i = temp.Length - 1; i >= 0; i--)
+                {
+                    source[i] = (byte)temp[i];
+                }
+
+                return encoding.GetString(source, 0, source.Length);
+            }
+
+            private bool ReadBoundary()
+            {
+                try
+                {
+                    string line;
+                    do
+                    {
+                        line = ReadLine();
+                    }
+                    while (line.Length == 0);
+
+                    if (line[0] != '-' || line[1] != '-')
+                    {
+                        return false;
+                    }
+
+                    if (!line.EndsWith(boundary, StringComparison.Ordinal))
+                    {
+                        return true;
+                    }
+                }
+                catch
+                {
+
+                }
+
+                return false;
+            }
+
+            private string ReadHeaders()
+            {
+                string s = ReadLine();
+                if (s.Length == 0)
+                {
+                    return null;
+                }
+
+                return s;
+            }
+
+            private static bool CompareBytes(byte[] orig, byte[] other)
+            {
+                for (int i = orig.Length - 1; i >= 0; i--)
+                {
+                    if (orig[i] != other[i])
+                    {
+                        return false;
+                    }
+                }
+
+                return true;
+            }
+
+            private long MoveToNextBoundary()
+            {
+                long retval = 0;
+                bool got_cr = false;
+
+                int state = 0;
+                int c = data.ReadByte();
+                while (true)
+                {
+                    if (c == -1)
+                    {
+                        return -1;
+                    }
+
+                    if (state == 0 && c == LF)
+                    {
+                        retval = data.Position - 1;
+                        if (got_cr)
+                        {
+                            retval--;
+                        }
+
+                        state = 1;
+                        c = data.ReadByte();
+                    }
+                    else if (state == 0)
+                    {
+                        got_cr = c == CR;
+                        c = data.ReadByte();
+                    }
+                    else if (state == 1 && c == '-')
+                    {
+                        c = data.ReadByte();
+                        if (c == -1)
+                        {
+                            return -1;
+                        }
+
+                        if (c != '-')
+                        {
+                            state = 0;
+                            got_cr = false;
+                            continue; // no ReadByte() here
+                        }
+
+                        int nread = data.Read(buffer, 0, buffer.Length);
+                        int bl = buffer.Length;
+                        if (nread != bl)
+                        {
+                            return -1;
+                        }
+
+                        if (!CompareBytes(boundaryBytes, buffer))
+                        {
+                            state = 0;
+                            data.Position = retval + 2;
+                            if (got_cr)
+                            {
+                                data.Position++;
+                                got_cr = false;
+                            }
+
+                            c = data.ReadByte();
+                            continue;
+                        }
+
+                        if (buffer[bl - 2] == '-' && buffer[bl - 1] == '-')
+                        {
+                            atEof = true;
+                        }
+                        else if (buffer[bl - 2] != CR || buffer[bl - 1] != LF)
+                        {
+                            state = 0;
+                            data.Position = retval + 2;
+                            if (got_cr)
+                            {
+                                data.Position++;
+                                got_cr = false;
+                            }
+
+                            c = data.ReadByte();
+                            continue;
+                        }
+
+                        data.Position = retval + 2;
+                        if (got_cr)
+                        {
+                            data.Position++;
+                        }
+
+                        break;
+                    }
+                    else
+                    {
+                        // state == 1
+                        state = 0; // no ReadByte() here
+                    }
+                }
+
+                return retval;
+            }
+
+            private static string StripPath(string path)
+            {
+                if (path == null || path.Length == 0)
+                {
+                    return path;
+                }
+
+                if (path.IndexOf(":\\", StringComparison.Ordinal) != 1
+                    && !path.StartsWith("\\\\", StringComparison.Ordinal))
+                {
+                    return path;
+                }
+
+                return path.Substring(path.LastIndexOf('\\') + 1);
+            }
+        }
+    }
+}

Emby.Server.Implementations/SocketSharp/SharpWebSocket.cs

@@ -0,0 +1,105 @@
+using System;
+using System.Net.WebSockets;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Emby.Server.Implementations.Net;
+using Microsoft.Extensions.Logging;
+
+namespace Emby.Server.Implementations.SocketSharp
+{
+    public class SharpWebSocket : IWebSocket
+    {
+        /// <summary>
+        /// The logger
+        /// </summary>
+        private readonly ILogger _logger;
+
+        public event EventHandler<EventArgs> Closed;
+
+        /// <summary>
+        /// Gets or sets the web socket.
+        /// </summary>
+        /// <value>The web socket.</value>
+        private readonly WebSocket _webSocket;
+
+        private readonly CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
+        private bool _disposed;
+
+        public SharpWebSocket(WebSocket socket, ILogger logger)
+        {
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _webSocket = socket ?? throw new ArgumentNullException(nameof(socket));
+        }
+
+        /// <summary>
+        /// Gets or sets the state.
+        /// </summary>
+        /// <value>The state.</value>
+        public WebSocketState State => _webSocket.State;
+
+        /// <summary>
+        /// Sends the async.
+        /// </summary>
+        /// <param name="bytes">The bytes.</param>
+        /// <param name="endOfMessage">if set to <c>true</c> [end of message].</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public Task SendAsync(byte[] bytes, bool endOfMessage, CancellationToken cancellationToken)
+        {
+            return _webSocket.SendAsync(new ArraySegment<byte>(bytes), WebSocketMessageType.Binary, endOfMessage, cancellationToken);
+        }
+
+        /// <summary>
+        /// Sends the asynchronous.
+        /// </summary>
+        /// <param name="text">The text.</param>
+        /// <param name="endOfMessage">if set to <c>true</c> [end of message].</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public Task SendAsync(string text, bool endOfMessage, CancellationToken cancellationToken)
+        {
+            return _webSocket.SendAsync(new ArraySegment<byte>(Encoding.UTF8.GetBytes(text)), WebSocketMessageType.Text, endOfMessage, cancellationToken);
+        }
+
+        /// <summary>
+        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
+        /// </summary>
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        /// <summary>
+        /// Releases unmanaged and - optionally - managed resources.
+        /// </summary>
+        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
+        protected virtual void Dispose(bool dispose)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            if (dispose)
+            {
+                _cancellationTokenSource.Cancel();
+                if (_webSocket.State == WebSocketState.Open)
+                {
+                    _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, "Closed by client",
+                        CancellationToken.None);
+                }
+                Closed?.Invoke(this, EventArgs.Empty);
+            }
+
+            _disposed = true;
+        }
+
+        /// <summary>
+        /// Gets or sets the receive action.
+        /// </summary>
+        /// <value>The receive action.</value>
+        public Action<byte[]> OnReceiveBytes { get; set; }
+    }
+}

Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs

@@ -0,0 +1,136 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.WebSockets;
+using System.Threading;
+using System.Threading.Tasks;
+using Emby.Server.Implementations.HttpServer;
+using Emby.Server.Implementations.Net;
+using MediaBrowser.Controller.Net;
+using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Extensions;
+using Microsoft.Extensions.Logging;
+using Microsoft.Net.Http.Headers;
+
+namespace Emby.Server.Implementations.SocketSharp
+{
+    public class WebSocketSharpListener : IHttpListener
+    {
+        private readonly ILogger _logger;
+
+        private CancellationTokenSource _disposeCancellationTokenSource = new CancellationTokenSource();
+        private CancellationToken _disposeCancellationToken;
+
+        public WebSocketSharpListener(
+            ILogger logger)
+        {
+            _logger = logger;
+
+            _disposeCancellationToken = _disposeCancellationTokenSource.Token;
+        }
+
+        public Func<Exception, IRequest, bool, bool, Task> ErrorHandler { get; set; }
+        public Func<IHttpRequest, string, string, string, CancellationToken, Task> RequestHandler { get; set; }
+
+        public Action<WebSocketConnectEventArgs> WebSocketConnected { get; set; }
+
+        private static void LogRequest(ILogger logger, HttpRequest request)
+        {
+            var url = request.GetDisplayUrl();
+
+            logger.LogInformation("WS {Url}. UserAgent: {UserAgent}", url, request.Headers[HeaderNames.UserAgent].ToString());
+        }
+
+        public async Task ProcessWebSocketRequest(HttpContext ctx)
+        {
+            try
+            {
+                LogRequest(_logger, ctx.Request);
+                var endpoint = ctx.Connection.RemoteIpAddress.ToString();
+                var url = ctx.Request.GetDisplayUrl();
+
+                var webSocketContext = await ctx.WebSockets.AcceptWebSocketAsync(null).ConfigureAwait(false);
+                var socket = new SharpWebSocket(webSocketContext, _logger);
+
+                WebSocketConnected(new WebSocketConnectEventArgs
+                {
+                    Url = url,
+                    QueryString = ctx.Request.Query,
+                    WebSocket = socket,
+                    Endpoint = endpoint
+                });
+
+                WebSocketReceiveResult result;
+                var message = new List<byte>();
+
+                do
+                {
+                    var buffer = WebSocket.CreateServerBuffer(4096);
+                    result = await webSocketContext.ReceiveAsync(buffer, _disposeCancellationToken);
+                    message.AddRange(buffer.Array.Take(result.Count));
+
+                    if (result.EndOfMessage)
+                    {
+                        socket.OnReceiveBytes(message.ToArray());
+                        message.Clear();
+                    }
+                } while (socket.State == WebSocketState.Open && result.MessageType != WebSocketMessageType.Close);
+
+
+                if (webSocketContext.State == WebSocketState.Open)
+                {
+                    await webSocketContext.CloseAsync(result.CloseStatus ?? WebSocketCloseStatus.NormalClosure,
+                        result.CloseStatusDescription, _disposeCancellationToken);
+                }
+
+                socket.Dispose();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "AcceptWebSocketAsync error");
+                if (!ctx.Response.HasStarted)
+                {
+                    ctx.Response.StatusCode = 500;
+                }
+            }
+        }
+
+        public Task Stop()
+        {
+            _disposeCancellationTokenSource.Cancel();
+            return Task.CompletedTask;
+        }
+
+        /// <summary>
+        /// Releases the unmanaged resources and disposes of the managed resources used.
+        /// </summary>
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        private bool _disposed;
+
+        /// <summary>
+        /// Releases the unmanaged resources and disposes of the managed resources used.
+        /// </summary>
+        /// <param name="disposing">Whether or not the managed resources should be disposed</param>
+        protected virtual void Dispose(bool disposing)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            if (disposing)
+            {
+                Stop().GetAwaiter().GetResult();
+            }
+
+            _disposed = true;
+        }
+    }
+}

Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs

@@ -0,0 +1,518 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Net;
+using System.Text;
+using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Extensions;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Primitives;
+using Microsoft.Net.Http.Headers;
+using IHttpFile = MediaBrowser.Model.Services.IHttpFile;
+using IHttpRequest = MediaBrowser.Model.Services.IHttpRequest;
+using IResponse = MediaBrowser.Model.Services.IResponse;
+
+namespace Emby.Server.Implementations.SocketSharp
+{
+    public partial class WebSocketSharpRequest : IHttpRequest
+    {
+        private readonly HttpRequest request;
+
+        public WebSocketSharpRequest(HttpRequest httpContext, HttpResponse response, string operationName, ILogger logger)
+        {
+            this.OperationName = operationName;
+            this.request = httpContext;
+            this.Response = new WebSocketSharpResponse(logger, response);
+
+            // HandlerFactoryPath = GetHandlerPathIfAny(UrlPrefixes[0]);
+        }
+
+        public HttpRequest HttpRequest => request;
+
+        public IResponse Response { get; }
+
+        public string OperationName { get; set; }
+
+        public object Dto { get; set; }
+
+        public string RawUrl => request.GetEncodedPathAndQuery();
+
+        public string AbsoluteUri => request.GetDisplayUrl().TrimEnd('/');
+
+        public string XForwardedFor
+            => StringValues.IsNullOrEmpty(request.Headers["X-Forwarded-For"]) ? null : request.Headers["X-Forwarded-For"].ToString();
+
+        public int? XForwardedPort
+            => StringValues.IsNullOrEmpty(request.Headers["X-Forwarded-Port"]) ? (int?)null : int.Parse(request.Headers["X-Forwarded-Port"], CultureInfo.InvariantCulture);
+
+        public string XForwardedProtocol => StringValues.IsNullOrEmpty(request.Headers["X-Forwarded-Proto"]) ? null : request.Headers["X-Forwarded-Proto"].ToString();
+
+        public string XRealIp => StringValues.IsNullOrEmpty(request.Headers["X-Real-IP"]) ? null : request.Headers["X-Real-IP"].ToString();
+
+        private string remoteIp;
+        public string RemoteIp
+        {
+            get
+            {
+                if (remoteIp != null)
+                {
+                    return remoteIp;
+                }
+
+                var temp = CheckBadChars(XForwardedFor.AsSpan());
+                if (temp.Length != 0)
+                {
+                    return remoteIp = temp.ToString();
+                }
+
+                temp = CheckBadChars(XRealIp.AsSpan());
+                if (temp.Length != 0)
+                {
+                    return remoteIp = NormalizeIp(temp).ToString();
+                }
+
+                return remoteIp = NormalizeIp(request.HttpContext.Connection.RemoteIpAddress.ToString().AsSpan()).ToString();
+            }
+        }
+
+        private static readonly char[] HttpTrimCharacters = new char[] { (char)0x09, (char)0xA, (char)0xB, (char)0xC, (char)0xD, (char)0x20 };
+
+        // CheckBadChars - throws on invalid chars to be not found in header name/value
+        internal static ReadOnlySpan<char> CheckBadChars(ReadOnlySpan<char> name)
+        {
+            if (name.Length == 0)
+            {
+                return name;
+            }
+
+            // VALUE check
+            // Trim spaces from both ends
+            name = name.Trim(HttpTrimCharacters);
+
+            // First, check for correctly formed multi-line value
+            // Second, check for absence of CTL characters
+            int crlf = 0;
+            for (int i = 0; i < name.Length; ++i)
+            {
+                char c = (char)(0x000000ff & (uint)name[i]);
+                switch (crlf)
+                {
+                    case 0:
+                    {
+                        if (c == '\r')
+                        {
+                            crlf = 1;
+                        }
+                        else if (c == '\n')
+                        {
+                            // Technically this is bad HTTP.  But it would be a breaking change to throw here.
+                            // Is there an exploit?
+                            crlf = 2;
+                        }
+                        else if (c == 127 || (c < ' ' && c != '\t'))
+                        {
+                            throw new ArgumentException("net_WebHeaderInvalidControlChars", nameof(name));
+                        }
+
+                        break;
+                    }
+
+                    case 1:
+                    {
+                        if (c == '\n')
+                        {
+                            crlf = 2;
+                            break;
+                        }
+
+                        throw new ArgumentException("net_WebHeaderInvalidCRLFChars", nameof(name));
+                    }
+
+                    case 2:
+                    {
+                        if (c == ' ' || c == '\t')
+                        {
+                            crlf = 0;
+                            break;
+                        }
+
+                        throw new ArgumentException("net_WebHeaderInvalidCRLFChars", nameof(name));
+                    }
+                }
+            }
+
+            if (crlf != 0)
+            {
+                throw new ArgumentException("net_WebHeaderInvalidCRLFChars", nameof(name));
+            }
+
+            return name;
+        }
+
+        private ReadOnlySpan<char> NormalizeIp(ReadOnlySpan<char> ip)
+        {
+            if (ip.Length != 0 && !ip.IsWhiteSpace())
+            {
+                // Handle ipv4 mapped to ipv6
+                const string srch = "::ffff:";
+                var index = ip.IndexOf(srch.AsSpan(), StringComparison.OrdinalIgnoreCase);
+                if (index == 0)
+                {
+                    ip = ip.Slice(srch.Length);
+                }
+            }
+
+            return ip;
+        }
+
+        public string[] AcceptTypes => request.Headers.GetCommaSeparatedValues(HeaderNames.Accept);
+
+        private Dictionary<string, object> items;
+        public Dictionary<string, object> Items => items ?? (items = new Dictionary<string, object>());
+
+        private string responseContentType;
+        public string ResponseContentType
+        {
+            get =>
+                responseContentType
+                ?? (responseContentType = GetResponseContentType(HttpRequest));
+            set => this.responseContentType = value;
+        }
+
+        public const string FormUrlEncoded = "application/x-www-form-urlencoded";
+        public const string MultiPartFormData = "multipart/form-data";
+        public static string GetResponseContentType(HttpRequest httpReq)
+        {
+            var specifiedContentType = GetQueryStringContentType(httpReq);
+            if (!string.IsNullOrEmpty(specifiedContentType))
+            {
+                return specifiedContentType;
+            }
+
+            const string serverDefaultContentType = "application/json";
+
+            var acceptContentTypes = httpReq.Headers.GetCommaSeparatedValues(HeaderNames.Accept);
+            string defaultContentType = null;
+            if (HasAnyOfContentTypes(httpReq, FormUrlEncoded, MultiPartFormData))
+            {
+                defaultContentType = serverDefaultContentType;
+            }
+
+            var acceptsAnything = false;
+            var hasDefaultContentType = defaultContentType != null;
+            if (acceptContentTypes != null)
+            {
+                foreach (var acceptsType in acceptContentTypes)
+                {
+                    // TODO: @bond move to Span when Span.Split lands
+                    // https://github.com/dotnet/corefx/issues/26528
+                    var contentType = acceptsType?.Split(';')[0].Trim();
+                    acceptsAnything = contentType.Equals("*/*", StringComparison.OrdinalIgnoreCase);
+
+                    if (acceptsAnything)
+                    {
+                        break;
+                    }
+                }
+
+                if (acceptsAnything)
+                {
+                    if (hasDefaultContentType)
+                    {
+                        return defaultContentType;
+                    }
+                    else
+                    {
+                        return serverDefaultContentType;
+                    }
+                }
+            }
+
+            if (acceptContentTypes == null && httpReq.ContentType == Soap11)
+            {
+                return Soap11;
+            }
+
+            // We could also send a '406 Not Acceptable', but this is allowed also
+            return serverDefaultContentType;
+        }
+
+        public const string Soap11 = "text/xml; charset=utf-8";
+
+        public static bool HasAnyOfContentTypes(HttpRequest request, params string[] contentTypes)
+        {
+            if (contentTypes == null || request.ContentType == null)
+            {
+                return false;
+            }
+
+            foreach (var contentType in contentTypes)
+            {
+                if (IsContentType(request, contentType))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public static bool IsContentType(HttpRequest request, string contentType)
+        {
+            return request.ContentType.StartsWith(contentType, StringComparison.OrdinalIgnoreCase);
+        }
+
+        private static string GetQueryStringContentType(HttpRequest httpReq)
+        {
+            ReadOnlySpan<char> format = httpReq.Query["format"].ToString().AsSpan();
+            if (format == null)
+            {
+                const int formatMaxLength = 4;
+                ReadOnlySpan<char> pi = httpReq.Path.ToString().AsSpan();
+                if (pi == null || pi.Length <= formatMaxLength)
+                {
+                    return null;
+                }
+
+                if (pi[0] == '/')
+                {
+                    pi = pi.Slice(1);
+                }
+
+                format = LeftPart(pi, '/');
+                if (format.Length > formatMaxLength)
+                {
+                    return null;
+                }
+            }
+
+            format = LeftPart(format, '.');
+            if (format.Contains("json".AsSpan(), StringComparison.OrdinalIgnoreCase))
+            {
+                return "application/json";
+            }
+            else if (format.Contains("xml".AsSpan(), StringComparison.OrdinalIgnoreCase))
+            {
+                return "application/xml";
+            }
+
+            return null;
+        }
+
+        public static ReadOnlySpan<char> LeftPart(ReadOnlySpan<char> strVal, char needle)
+        {
+            if (strVal == null)
+            {
+                return null;
+            }
+
+            var pos = strVal.IndexOf(needle);
+            return pos == -1 ? strVal : strVal.Slice(0, pos);
+        }
+
+        public static string HandlerFactoryPath;
+
+        private string pathInfo;
+        public string PathInfo
+        {
+            get
+            {
+                if (this.pathInfo == null)
+                {
+                    var mode = HandlerFactoryPath;
+
+                    var pos = RawUrl.IndexOf("?", StringComparison.Ordinal);
+                    if (pos != -1)
+                    {
+                        var path = RawUrl.Substring(0, pos);
+                        this.pathInfo = GetPathInfo(
+                            path,
+                            mode,
+                            mode ?? string.Empty);
+                    }
+                    else
+                    {
+                        this.pathInfo = RawUrl;
+                    }
+
+                    this.pathInfo = WebUtility.UrlDecode(pathInfo);
+                    this.pathInfo = NormalizePathInfo(pathInfo, mode).ToString();
+                }
+
+                return this.pathInfo;
+            }
+        }
+
+        private static string GetPathInfo(string fullPath, string mode, string appPath)
+        {
+            var pathInfo = ResolvePathInfoFromMappedPath(fullPath, mode);
+            if (!string.IsNullOrEmpty(pathInfo))
+            {
+                return pathInfo;
+            }
+
+            // Wildcard mode relies on this to work out the handlerPath
+            pathInfo = ResolvePathInfoFromMappedPath(fullPath, appPath);
+            if (!string.IsNullOrEmpty(pathInfo))
+            {
+                return pathInfo;
+            }
+
+            return fullPath;
+        }
+
+        private static string ResolvePathInfoFromMappedPath(string fullPath, string mappedPathRoot)
+        {
+            if (mappedPathRoot == null)
+            {
+                return null;
+            }
+
+            var sbPathInfo = new StringBuilder();
+            var fullPathParts = fullPath.Split('/');
+            var mappedPathRootParts = mappedPathRoot.Split('/');
+            var fullPathIndexOffset = mappedPathRootParts.Length - 1;
+            var pathRootFound = false;
+
+            for (var fullPathIndex = 0; fullPathIndex < fullPathParts.Length; fullPathIndex++)
+            {
+                if (pathRootFound)
+                {
+                    sbPathInfo.Append("/" + fullPathParts[fullPathIndex]);
+                }
+                else if (fullPathIndex - fullPathIndexOffset >= 0)
+                {
+                    pathRootFound = true;
+                    for (var mappedPathRootIndex = 0; mappedPathRootIndex < mappedPathRootParts.Length; mappedPathRootIndex++)
+                    {
+                        if (!string.Equals(fullPathParts[fullPathIndex - fullPathIndexOffset + mappedPathRootIndex], mappedPathRootParts[mappedPathRootIndex], StringComparison.OrdinalIgnoreCase))
+                        {
+                            pathRootFound = false;
+                            break;
+                        }
+                    }
+                }
+            }
+
+            if (!pathRootFound)
+            {
+                return null;
+            }
+
+            return sbPathInfo.Length > 1 ? sbPathInfo.ToString().TrimEnd('/') : "/";
+        }
+
+        public string UserAgent => request.Headers[HeaderNames.UserAgent];
+
+        public IHeaderDictionary Headers => request.Headers;
+
+        public IQueryCollection QueryString => request.Query;
+
+        public bool IsLocal => string.Equals(request.HttpContext.Connection.LocalIpAddress.ToString(), request.HttpContext.Connection.RemoteIpAddress.ToString());
+
+        private string httpMethod;
+        public string HttpMethod =>
+            httpMethod
+            ?? (httpMethod = request.Method);
+
+        public string Verb => HttpMethod;
+
+        public string ContentType => request.ContentType;
+
+        private Encoding ContentEncoding
+        {
+            get
+            {
+                // TODO is this necessary?
+                if (UserAgent != null && CultureInfo.InvariantCulture.CompareInfo.IsPrefix(UserAgent, "UP"))
+                {
+                    string postDataCharset = Headers["x-up-devcap-post-charset"];
+                    if (!string.IsNullOrEmpty(postDataCharset))
+                    {
+                        try
+                        {
+                            return Encoding.GetEncoding(postDataCharset);
+                        }
+                        catch (ArgumentException)
+                        {
+                        }
+                    }
+                }
+
+                return request.GetTypedHeaders().ContentType.Encoding ?? Encoding.UTF8;
+            }
+        }
+
+        public Uri UrlReferrer => request.GetTypedHeaders().Referer;
+
+        public static Encoding GetEncoding(string contentTypeHeader)
+        {
+            var param = GetParameter(contentTypeHeader.AsSpan(), "charset=");
+            if (param == null)
+            {
+                return null;
+            }
+
+            try
+            {
+                return Encoding.GetEncoding(param);
+            }
+            catch (ArgumentException)
+            {
+                return null;
+            }
+        }
+
+        public Stream InputStream => request.Body;
+
+        public long ContentLength => request.ContentLength ?? 0;
+
+        private IHttpFile[] httpFiles;
+        public IHttpFile[] Files
+        {
+            get
+            {
+                if (httpFiles == null)
+                {
+                    if (files == null)
+                    {
+                        return httpFiles = Array.Empty<IHttpFile>();
+                    }
+
+                    httpFiles = new IHttpFile[files.Count];
+                    var i = 0;
+                    foreach (var pair in files)
+                    {
+                        var reqFile = pair.Value;
+                        httpFiles[i] = new HttpFile
+                        {
+                            ContentType = reqFile.ContentType,
+                            ContentLength = reqFile.ContentLength,
+                            FileName = reqFile.FileName,
+                            InputStream = reqFile.InputStream,
+                        };
+                        i++;
+                    }
+                }
+
+                return httpFiles;
+            }
+        }
+
+        public static ReadOnlySpan<char> NormalizePathInfo(string pathInfo, string handlerPath)
+        {
+            if (handlerPath != null)
+            {
+                var trimmed = pathInfo.AsSpan().TrimStart('/');
+                if (trimmed.StartsWith(handlerPath.AsSpan(), StringComparison.OrdinalIgnoreCase))
+                {
+                    return trimmed.Slice(handlerPath.Length).ToString().AsSpan();
+                }
+            }
+
+            return pathInfo.AsSpan();
+        }
+    }
+}

Emby.Server.Implementations/SocketSharp/WebSocketSharpResponse.cs

@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
+using IRequest = MediaBrowser.Model.Services.IRequest;
+
+namespace Emby.Server.Implementations.SocketSharp
+{
+    public class WebSocketSharpResponse : IResponse
+    {
+        private readonly ILogger _logger;
+
+        public WebSocketSharpResponse(ILogger logger, HttpResponse response)
+        {
+            _logger = logger;
+            OriginalResponse = response;
+        }
+
+        public HttpResponse OriginalResponse { get; }
+
+        public int StatusCode
+        {
+            get => OriginalResponse.StatusCode;
+            set => OriginalResponse.StatusCode = value;
+        }
+
+        public string StatusDescription { get; set; }
+
+        public string ContentType
+        {
+            get => OriginalResponse.ContentType;
+            set => OriginalResponse.ContentType = value;
+        }
+
+        public void AddHeader(string name, string value)
+        {
+            if (string.Equals(name, "Content-Type", StringComparison.OrdinalIgnoreCase))
+            {
+                ContentType = value;
+                return;
+            }
+
+            OriginalResponse.Headers.Add(name, value);
+        }
+
+        public void Redirect(string url)
+        {
+            OriginalResponse.Redirect(url);
+        }
+
+        public Stream OutputStream => OriginalResponse.Body;
+
+        public bool SendChunked { get; set; }
+
+        const int StreamCopyToBufferSize = 81920;
+        public async Task TransmitFile(string path, long offset, long count, FileShareMode fileShareMode, IFileSystem fileSystem, IStreamHelper streamHelper, CancellationToken cancellationToken)
+        {
+            var allowAsync = !RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+
+            //if (count <= 0)
+            //{
+            //    allowAsync = true;
+            //}
+
+            var fileOpenOptions = FileOpenOptions.SequentialScan;
+
+            if (allowAsync)
+            {
+                fileOpenOptions |= FileOpenOptions.Asynchronous;
+            }
+
+            // use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
+
+            using (var fs = fileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, fileShareMode, fileOpenOptions))
+            {
+                if (offset > 0)
+                {
+                    fs.Position = offset;
+                }
+
+                if (count > 0)
+                {
+                    await streamHelper.CopyToAsync(fs, OutputStream, count, cancellationToken).ConfigureAwait(false);
+                }
+                else
+                {
+                    await fs.CopyToAsync(OutputStream, StreamCopyToBufferSize, cancellationToken).ConfigureAwait(false);
+                }
+            }
+        }
+    }
+}

Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs

@@ -32,7 +32,7 @@ namespace Emby.Server.Implementations.Sorting
         {
             var audio = x as IHasAlbumArtist;
 
-            return audio != null ? audio.AlbumArtists.FirstOrDefault() : null;
+            return audio?.AlbumArtists.FirstOrDefault();
         }
 
         /// <summary>

Emby.Server.Implementations/Sorting/SeriesSortNameComparer.cs

@@ -18,17 +18,17 @@ namespace Emby.Server.Implementations.Sorting
             return string.Compare(GetValue(x), GetValue(y), StringComparison.CurrentCultureIgnoreCase);
         }
 
-        private static string GetValue(BaseItem item)
-        {
-            var hasSeries = item as IHasSeries;
-
-            return hasSeries != null ? hasSeries.FindSeriesSortName() : null;
-        }
-
         /// <summary>
         /// Gets the name.
         /// </summary>
         /// <value>The name.</value>
         public string Name => ItemSortBy.SeriesSortName;
+
+        private static string GetValue(BaseItem item)
+        {
+            var hasSeries = item as IHasSeries;
+
+            return hasSeries?.FindSeriesSortName();
+        }
     }
 }

Emby.Server.Implementations/UserViews/CollectionFolderImageProvider.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using Emby.Server.Implementations.Images;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Drawing;
@@ -20,7 +19,7 @@ namespace Emby.Server.Implementations.UserViews
         {
         }
 
-        protected override List<BaseItem> GetItemsWithImages(BaseItem item)
+        protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
         {
             var view = (CollectionFolder)item;
             var viewType = view.CollectionType;
@@ -56,7 +55,7 @@ namespace Emby.Server.Implementations.UserViews
                 includeItemTypes = new string[] { "Video", "Audio", "Photo", "Movie", "Series" };
             }
 
-            var recursive = !new[] { CollectionType.Playlists }.Contains(view.CollectionType ?? string.Empty, StringComparer.OrdinalIgnoreCase);
+            var recursive = !string.Equals(CollectionType.Playlists, viewType, StringComparison.OrdinalIgnoreCase);
 
             return view.GetItemList(new InternalItemsQuery
             {
@@ -71,7 +70,7 @@ namespace Emby.Server.Implementations.UserViews
                 },
                 IncludeItemTypes = includeItemTypes
 
-            }).ToList();
+            });
         }
 
         protected override bool Supports(BaseItem item)
@@ -79,7 +78,7 @@ namespace Emby.Server.Implementations.UserViews
             return item is CollectionFolder;
         }
 
-        protected override string CreateImage(BaseItem item, List<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
+        protected override string CreateImage(BaseItem item, IReadOnlyCollection<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
         {
             var outputPath = Path.ChangeExtension(outputPathWithoutExtension, ".png");
 

Emby.Server.Implementations/UserViews/DynamicImageProvider.cs

@@ -28,7 +28,7 @@ namespace Emby.Server.Implementations.UserViews
             _libraryManager = libraryManager;
         }
 
-        protected override List<BaseItem> GetItemsWithImages(BaseItem item)
+        protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
         {
             var view = (UserView)item;
 
@@ -46,8 +46,7 @@ namespace Emby.Server.Implementations.UserViews
 
             var items = result.Select(i =>
             {
-                var episode = i as Episode;
-                if (episode != null)
+                if (i is Episode episode)
                 {
                     var series = episode.Series;
                     if (series != null)
@@ -58,8 +57,7 @@ namespace Emby.Server.Implementations.UserViews
                     return episode;
                 }
 
-                var season = i as Season;
-                if (season != null)
+                if (i is Season season)
                 {
                     var series = season.Series;
                     if (series != null)
@@ -70,8 +68,7 @@ namespace Emby.Server.Implementations.UserViews
                     return season;
                 }
 
-                var audio = i as Audio;
-                if (audio != null)
+                if (i is Audio audio)
                 {
                     var album = audio.AlbumEntity;
                     if (album != null && album.HasImage(ImageType.Primary))
@@ -122,7 +119,7 @@ namespace Emby.Server.Implementations.UserViews
             return collectionStripViewTypes.Contains(view.ViewType ?? string.Empty);
         }
 
-        protected override string CreateImage(BaseItem item, List<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
+        protected override string CreateImage(BaseItem item, IReadOnlyCollection<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
         {
             if (itemsWithImages.Count == 0)
             {

Emby.Server.Implementations/UserViews/FolderImageProvider.cs

@@ -24,7 +24,7 @@ namespace Emby.Server.Implementations.UserViews
             _libraryManager = libraryManager;
         }
 
-        protected override List<BaseItem> GetItemsWithImages(BaseItem item)
+        protected override IReadOnlyList<BaseItem> GetItemsWithImages(BaseItem item)
         {
             return _libraryManager.GetItemList(new InternalItemsQuery
             {
@@ -40,7 +40,7 @@ namespace Emby.Server.Implementations.UserViews
             });
         }
 
-        protected override string CreateImage(BaseItem item, List<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
+        protected override string CreateImage(BaseItem item, IReadOnlyCollection<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType, int imageIndex)
         {
             return CreateSingleImage(itemsWithImages, outputPathWithoutExtension, ImageType.Primary);
         }

Emby.Server.Implementations/WebSockets/WebSocketHandler.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+using MediaBrowser.Model.Net;
+
+namespace Emby.Server.Implementations.WebSockets
+{
+    public interface IWebSocketHandler
+    {
+        Task ProcessMessage(WebSocketMessage<object> message, TaskCompletionSource<bool> taskCompletionSource);
+    }
+}

Emby.Server.Implementations/WebSockets/WebSocketManager.cs

@@ -0,0 +1,102 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.WebSockets;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Controller.Net;
+using MediaBrowser.Model.Net;
+using MediaBrowser.Model.Serialization;
+using Microsoft.Extensions.Logging;
+using UtfUnknown;
+
+namespace Emby.Server.Implementations.WebSockets
+{
+    public class WebSocketManager
+    {
+        private readonly IWebSocketHandler[] _webSocketHandlers;
+        private readonly IJsonSerializer _jsonSerializer;
+        private readonly ILogger<WebSocketManager> _logger;
+        private const int BufferSize = 4096;
+
+        public WebSocketManager(IWebSocketHandler[] webSocketHandlers, IJsonSerializer jsonSerializer, ILogger<WebSocketManager> logger)
+        {
+            _webSocketHandlers = webSocketHandlers;
+            _jsonSerializer = jsonSerializer;
+            _logger = logger;
+        }
+
+        public async Task OnWebSocketConnected(WebSocket webSocket)
+        {
+            var taskCompletionSource = new TaskCompletionSource<bool>();
+            var cancellationToken = new CancellationTokenSource().Token;
+            WebSocketReceiveResult result;
+            var message = new List<byte>();
+
+            // Keep listening for incoming messages, otherwise the socket closes automatically
+            do
+            {
+                var buffer = WebSocket.CreateServerBuffer(BufferSize);
+                result = await webSocket.ReceiveAsync(buffer, cancellationToken);
+                message.AddRange(buffer.Array.Take(result.Count));
+
+                if (result.EndOfMessage)
+                {
+                    await ProcessMessage(message.ToArray(), taskCompletionSource);
+                    message.Clear();
+                }
+            } while (!taskCompletionSource.Task.IsCompleted &&
+                     webSocket.State == WebSocketState.Open &&
+                     result.MessageType != WebSocketMessageType.Close);
+
+            if (webSocket.State == WebSocketState.Open)
+            {
+                await webSocket.CloseAsync(result.CloseStatus ?? WebSocketCloseStatus.NormalClosure,
+                    result.CloseStatusDescription, cancellationToken);
+            }
+        }
+
+        private async Task ProcessMessage(byte[] messageBytes, TaskCompletionSource<bool> taskCompletionSource)
+        {
+            var charset = CharsetDetector.DetectFromBytes(messageBytes).Detected?.EncodingName;
+            var message = string.Equals(charset, "utf-8", StringComparison.OrdinalIgnoreCase)
+                ? Encoding.UTF8.GetString(messageBytes, 0, messageBytes.Length)
+                : Encoding.ASCII.GetString(messageBytes, 0, messageBytes.Length);
+
+            // All messages are expected to be valid JSON objects
+            if (!message.StartsWith("{", StringComparison.OrdinalIgnoreCase))
+            {
+                _logger.LogDebug("Received web socket message that is not a json structure: {Message}", message);
+                return;
+            }
+
+            try
+            {
+                var info = _jsonSerializer.DeserializeFromString<WebSocketMessage<object>>(message);
+
+                _logger.LogDebug("Websocket message received: {0}", info.MessageType);
+
+                var tasks = _webSocketHandlers.Select(handler => Task.Run(() =>
+                {
+                    try
+                    {
+                        handler.ProcessMessage(info, taskCompletionSource).ConfigureAwait(false);
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "{HandlerType} failed processing WebSocket message {MessageType}",
+                            handler.GetType().Name, info.MessageType ?? string.Empty);
+                    }
+                }));
+
+                await Task.WhenAll(tasks);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error processing web socket message");
+            }
+        }
+    }
+}

Emby.Server.Implementations/Xml/XmlReaderSettingsFactory.cs

@@ -1,20 +0,0 @@
-using System.Xml;
-using MediaBrowser.Model.Xml;
-
-namespace Emby.Server.Implementations.Xml
-{
-    public class XmlReaderSettingsFactory : IXmlReaderSettingsFactory
-    {
-        public XmlReaderSettings Create(bool enableValidation)
-        {
-            var settings = new XmlReaderSettings();
-
-            if (!enableValidation)
-            {
-                settings.ValidationType = ValidationType.None;
-            }
-
-            return settings;
-        }
-    }
-}