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This commit is contained in:
Jim Cartlidge
2020-09-12 16:41:37 +01:00
parent 6bf0acb854
commit 9ef79d190b
43 changed files with 1977 additions and 1345 deletions
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220
Emby.Server.Implementations/ApplicationHost.cs
View File

@@ -46,6 +46,7 @@ using Emby.Server.Implementations.SyncPlay;
using Emby.Server.Implementations.TV;
using Emby.Server.Implementations.Updates;
using Jellyfin.Api.Helpers;
using Jellyfin.Networking.Manager;
using MediaBrowser.Common;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Events;
@@ -97,6 +98,7 @@ using MediaBrowser.Providers.Manager;
using MediaBrowser.Providers.Plugins.TheTvdb;
using MediaBrowser.Providers.Subtitles;
using MediaBrowser.XbmcMetadata.Providers;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
@@ -117,7 +119,6 @@ namespace Emby.Server.Implementations
private static readonly string[] _relevantEnvVarPrefixes = { "JELLYFIN_", "DOTNET_", "ASPNETCORE_" };
private readonly IFileSystem _fileSystemManager;
private readonly INetworkManager _networkManager;
private readonly IXmlSerializer _xmlSerializer;
private readonly IStartupOptions _startupOptions;
@@ -188,6 +189,11 @@ namespace Emby.Server.Implementations
/// <value>The plugins.</value>
public IReadOnlyList<IPlugin> Plugins => _plugins;
/// <summary>
/// Gets the NetworkManager object.
/// </summary>
private readonly INetworkManager _networkManager;
/// <summary>
/// Gets the logger factory.
/// </summary>
@@ -211,7 +217,7 @@ namespace Emby.Server.Implementations
private readonly List<IDisposable> _disposableParts = new List<IDisposable>();
/// <summary>
/// Gets the configuration manager.
/// Gets or sets the configuration manager.
/// </summary>
/// <value>The configuration manager.</value>
protected IConfigurationManager ConfigurationManager { get; set; }
@@ -244,28 +250,25 @@ namespace Emby.Server.Implementations
/// <param name="loggerFactory">Instance of the <see cref="ILoggerFactory"/> interface.</param>
/// <param name="options">Instance of the <see cref="IStartupOptions"/> interface.</param>
/// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
/// <param name="networkManager">Instance of the <see cref="INetworkManager"/> interface.</param>
/// <param name="serviceCollection">Instance of the <see cref="IServiceCollection"/> interface.</param>
public ApplicationHost(
IServerApplicationPaths applicationPaths,
ILoggerFactory loggerFactory,
IStartupOptions options,
IFileSystem fileSystem,
INetworkManager networkManager,
IServiceCollection serviceCollection)
{
_xmlSerializer = new MyXmlSerializer();
ServiceCollection = serviceCollection;
_networkManager = networkManager;
networkManager.LocalSubnetsFn = GetConfiguredLocalSubnets;
ApplicationPaths = applicationPaths;
LoggerFactory = loggerFactory;
_fileSystemManager = fileSystem;
ConfigurationManager = new ServerConfigurationManager(ApplicationPaths, LoggerFactory, _xmlSerializer, _fileSystemManager);
_networkManager = new NetworkManager((IServerConfigurationManager)ConfigurationManager, LoggerFactory.CreateLogger<NetworkManager>());
Logger = LoggerFactory.CreateLogger<ApplicationHost>();
_startupOptions = options;
@@ -278,8 +281,6 @@ namespace Emby.Server.Implementations
fileSystem.AddShortcutHandler(new MbLinkShortcutHandler(fileSystem));
_networkManager.NetworkChanged += OnNetworkChanged;
CertificateInfo = new CertificateInfo
{
Path = ServerConfigurationManager.Configuration.CertificatePath,
@@ -308,16 +309,6 @@ namespace Emby.Server.Implementations
.Replace(appPaths.InternalMetadataPath, appPaths.VirtualInternalMetadataPath, StringComparison.OrdinalIgnoreCase);
}
private string[] GetConfiguredLocalSubnets()
{
return ServerConfigurationManager.Configuration.LocalNetworkSubnets;
}
private void OnNetworkChanged(object sender, EventArgs e)
{
_validAddressResults.Clear();
}
/// <inheritdoc />
public Version ApplicationVersion { get; }
@@ -398,7 +389,7 @@ namespace Emby.Server.Implementations
/// <summary>
/// Resolves this instance.
/// </summary>
/// <typeparam name="T">The type</typeparam>
/// <typeparam name="T">The type.</typeparam>
/// <returns>``0.</returns>
public T Resolve<T>() => ServiceProvider.GetService<T>();
@@ -1091,13 +1082,10 @@ namespace Emby.Server.Implementations
/// <summary>
/// Gets the system status.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="source">Where this request originated.</param>
/// <returns>SystemInfo.</returns>
public async Task<SystemInfo> GetSystemInfo(CancellationToken cancellationToken)
public SystemInfo GetSystemInfo(IPAddress source)
{
var localAddress = await GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
var transcodingTempPath = ConfigurationManager.GetTranscodePath();
return new SystemInfo
{
HasPendingRestart = HasPendingRestart,
@@ -1117,9 +1105,9 @@ namespace Emby.Server.Implementations
CanSelfRestart = CanSelfRestart,
CanLaunchWebBrowser = CanLaunchWebBrowser,
HasUpdateAvailable = HasUpdateAvailable,
TranscodingTempPath = transcodingTempPath,
TranscodingTempPath = ConfigurationManager.GetTranscodePath(),
ServerName = FriendlyName,
LocalAddress = localAddress,
LocalAddress = GetSmartApiUrl(source),
SupportsLibraryMonitor = true,
EncoderLocation = _mediaEncoder.EncoderLocation,
SystemArchitecture = RuntimeInformation.OSArchitecture,
@@ -1132,10 +1120,8 @@ namespace Emby.Server.Implementations
.Select(i => new WakeOnLanInfo(i))
.ToList();
public async Task<PublicSystemInfo> GetPublicSystemInfo(CancellationToken cancellationToken)
public PublicSystemInfo GetPublicSystemInfo(IPAddress source)
{
var localAddress = await GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
return new PublicSystemInfo
{
Version = ApplicationVersionString,
@@ -1143,8 +1129,8 @@ namespace Emby.Server.Implementations
Id = SystemId,
OperatingSystem = OperatingSystem.Id.ToString(),
ServerName = FriendlyName,
LocalAddress = localAddress,
StartupWizardCompleted = ConfigurationManager.CommonConfiguration.IsStartupWizardCompleted
LocalAddress = GetSmartApiUrl(source),
StartupWizardCompleted = ConfigurationManager.CommonConfiguration.IsStartupWizardCompleted
};
}
@@ -1152,186 +1138,51 @@ namespace Emby.Server.Implementations
public bool ListenWithHttps => Certificate != null && ServerConfigurationManager.Configuration.EnableHttps;
/// <inheritdoc/>
public async Task<string> GetLocalApiUrl(CancellationToken cancellationToken)
public string GetSmartApiUrl(object source)
{
try
// Published server ends with a /
if (_startupOptions.PublishedServerUrl != null)
{
// Return the first matched address, if found, or the first known local address
var addresses = await GetLocalIpAddressesInternal(false, 1, cancellationToken).ConfigureAwait(false);
if (addresses.Count == 0)
{
return null;
}
return GetLocalApiUrl(addresses[0]);
}
catch (Exception ex)
{
Logger.LogError(ex, "Error getting local Ip address information");
// Published server ends with a '/', so we need to remove it.
return _startupOptions.PublishedServerUrl.ToString().Trim('/');
}
return null;
}
string smart = _networkManager.GetBindInterface(source, out int? port);
/// <summary>
/// Removes the scope id from IPv6 addresses.
/// </summary>
/// <param name="address">The IPv6 address.</param>
/// <returns>The IPv6 address without the scope id.</returns>
private ReadOnlySpan<char> RemoveScopeId(ReadOnlySpan<char> address)
{
var index = address.IndexOf('%');
if (index == -1)
// If the smartAPI doesn't start with http then treat it as a host or ip.
if (smart.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
return address;
return smart.Trim('/');
}
return address.Slice(0, index);
}
/// <inheritdoc />
public string GetLocalApiUrl(IPAddress ipAddress)
{
if (ipAddress.AddressFamily == AddressFamily.InterNetworkV6)
{
var str = RemoveScopeId(ipAddress.ToString());
Span<char> span = new char[str.Length + 2];
span[0] = '[';
str.CopyTo(span.Slice(1));
span[^1] = ']';
return GetLocalApiUrl(span);
}
return GetLocalApiUrl(ipAddress.ToString());
return GetLocalApiUrl(smart.Trim('/'), source is HttpRequest request ? request.Scheme : null, port);
}
/// <inheritdoc/>
public string GetLoopbackHttpApiUrl()
{
if (NetworkManager.IsIP6Enabled)
{
return GetLocalApiUrl("::1", Uri.UriSchemeHttp, HttpPort);
}
return GetLocalApiUrl("127.0.0.1", Uri.UriSchemeHttp, HttpPort);
}
/// <inheritdoc/>
public string GetLocalApiUrl(ReadOnlySpan<char> host, string scheme = null, int? port = null)
public string GetLocalApiUrl(string host, string scheme = null, int? port = null)
{
// NOTE: If no BaseUrl is set then UriBuilder appends a trailing slash, but if there is no BaseUrl it does
// not. For consistency, always trim the trailing slash.
return new UriBuilder
{
Scheme = scheme ?? (ListenWithHttps ? Uri.UriSchemeHttps : Uri.UriSchemeHttp),
Host = host.ToString(),
Host = host,
Port = port ?? (ListenWithHttps ? HttpsPort : HttpPort),
Path = ServerConfigurationManager.Configuration.BaseUrl
}.ToString().TrimEnd('/');
}
public Task<List<IPAddress>> GetLocalIpAddresses(CancellationToken cancellationToken)
{
return GetLocalIpAddressesInternal(true, 0, cancellationToken);
}
private async Task<List<IPAddress>> GetLocalIpAddressesInternal(bool allowLoopback, int limit, CancellationToken cancellationToken)
{
var addresses = ServerConfigurationManager
.Configuration
.LocalNetworkAddresses
.Select(x => NormalizeConfiguredLocalAddress(x))
.Where(i => i != null)
.ToList();
if (addresses.Count == 0)
{
addresses.AddRange(_networkManager.GetLocalIpAddresses());
}
var resultList = new List<IPAddress>();
foreach (var address in addresses)
{
if (!allowLoopback)
{
if (address.Equals(IPAddress.Loopback) || address.Equals(IPAddress.IPv6Loopback))
{
continue;
}
}
if (await IsLocalIpAddressValidAsync(address, cancellationToken).ConfigureAwait(false))
{
resultList.Add(address);
if (limit > 0 && resultList.Count >= limit)
{
return resultList;
}
}
}
return resultList;
}
public IPAddress NormalizeConfiguredLocalAddress(ReadOnlySpan<char> address)
{
var index = address.Trim('/').IndexOf('/');
if (index != -1)
{
address = address.Slice(index + 1);
}
if (IPAddress.TryParse(address.Trim('/'), out IPAddress result))
{
return result;
}
return null;
}
private readonly ConcurrentDictionary<string, bool> _validAddressResults = new ConcurrentDictionary<string, bool>(StringComparer.OrdinalIgnoreCase);
private async Task<bool> IsLocalIpAddressValidAsync(IPAddress address, CancellationToken cancellationToken)
{
if (address.Equals(IPAddress.Loopback)
|| address.Equals(IPAddress.IPv6Loopback))
{
return true;
}
var apiUrl = GetLocalApiUrl(address) + "/system/ping";
if (_validAddressResults.TryGetValue(apiUrl, out var cachedResult))
{
return cachedResult;
}
try
{
using var request = new HttpRequestMessage(HttpMethod.Post, apiUrl);
using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
await using var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
var result = await System.Text.Json.JsonSerializer.DeserializeAsync<string>(stream, JsonDefaults.GetOptions(), cancellationToken).ConfigureAwait(false);
var valid = string.Equals(Name, result, StringComparison.OrdinalIgnoreCase);
_validAddressResults.AddOrUpdate(apiUrl, valid, (k, v) => valid);
Logger.LogDebug("Ping test result to {0}. Success: {1}", apiUrl, valid);
return valid;
}
catch (OperationCanceledException)
{
Logger.LogDebug("Ping test result to {0}. Success: {1}", apiUrl, "Cancelled");
throw;
}
catch (Exception ex)
{
Logger.LogDebug(ex, "Ping test result to {0}. Success: {1}", apiUrl, false);
_validAddressResults.AddOrUpdate(apiUrl, false, (k, v) => false);
return false;
}
}
public string FriendlyName =>
string.IsNullOrEmpty(ServerConfigurationManager.Configuration.ServerName)
? Environment.MachineName
@@ -1486,6 +1337,7 @@ namespace Emby.Server.Implementations
_disposed = true;
}
}
internal class CertificateInfo

2
Emby.Server.Implementations/Emby.Server.Implementations.csproj
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@@ -36,7 +36,7 @@
<PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="3.1.7" />
<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.1.7" />
<PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="3.1.7" />
<PackageReference Include="Mono.Nat" Version="2.0.2" />
<PackageReference Include="Mono.Nat" Version="3.0.0" />
<PackageReference Include="prometheus-net.DotNetRuntime" Version="3.4.0" />
<PackageReference Include="ServiceStack.Text.Core" Version="5.9.2" />
<PackageReference Include="sharpcompress" Version="0.26.0" />

2
Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
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@@ -76,7 +76,7 @@ namespace Emby.Server.Implementations.LiveTv
}
var list = sources.ToList();
var serverUrl = await _appHost.GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
var serverUrl = _appHost.GetSmartApiUrl(string.Empty);
foreach (var source in list)
{

1
Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
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@@ -10,6 +10,7 @@ using System.Net.Http;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Networking.Manager;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Net;

3
Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
View File

@@ -7,6 +7,7 @@ using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Networking.Manager;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
@@ -57,7 +58,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
var mediaSource = OriginalMediaSource;
var uri = new Uri(mediaSource.Path);
var localPort = _networkManager.GetRandomUnusedUdpPort();
var localPort = 50000; // Will return to random after next PR.
Directory.CreateDirectory(Path.GetDirectoryName(TempFilePath));

1
Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
View File

@@ -8,6 +8,7 @@ using System.Linq;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Networking.Manager;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;

556
Emby.Server.Implementations/Networking/NetworkManager.cs
View File

@@ -1,556 +0,0 @@
#pragma warning disable CS1591
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Threading.Tasks;
using MediaBrowser.Common.Net;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Networking
{
/// <summary>
/// Class to take care of network interface management.
/// </summary>
public class NetworkManager : INetworkManager
{
private readonly ILogger<NetworkManager> _logger;
private IPAddress[] _localIpAddresses;
private readonly object _localIpAddressSyncLock = new object();
private readonly object _subnetLookupLock = new object();
private readonly Dictionary<string, List<string>> _subnetLookup = new Dictionary<string, List<string>>(StringComparer.Ordinal);
private List<PhysicalAddress> _macAddresses;
/// <summary>
/// Initializes a new instance of the <see cref="NetworkManager"/> class.
/// </summary>
/// <param name="logger">Logger to use for messages.</param>
public NetworkManager(ILogger<NetworkManager> logger)
{
_logger = logger;
NetworkChange.NetworkAddressChanged += OnNetworkAddressChanged;
NetworkChange.NetworkAvailabilityChanged += OnNetworkAvailabilityChanged;
}
/// <inheritdoc/>
public event EventHandler NetworkChanged;
/// <inheritdoc/>
public Func<string[]> LocalSubnetsFn { get; set; }
private void OnNetworkAvailabilityChanged(object sender, NetworkAvailabilityEventArgs e)
{
_logger.LogDebug("NetworkAvailabilityChanged");
OnNetworkChanged();
}
private void OnNetworkAddressChanged(object sender, EventArgs e)
{
_logger.LogDebug("NetworkAddressChanged");
OnNetworkChanged();
}
private void OnNetworkChanged()
{
lock (_localIpAddressSyncLock)
{
_localIpAddresses = null;
_macAddresses = null;
}
NetworkChanged?.Invoke(this, EventArgs.Empty);
}
/// <inheritdoc/>
public IPAddress[] GetLocalIpAddresses()
{
lock (_localIpAddressSyncLock)
{
if (_localIpAddresses == null)
{
var addresses = GetLocalIpAddressesInternal().ToArray();
_localIpAddresses = addresses;
}
return _localIpAddresses;
}
}
private List<IPAddress> GetLocalIpAddressesInternal()
{
var list = GetIPsDefault().ToList();
if (list.Count == 0)
{
list = GetLocalIpAddressesFallback().GetAwaiter().GetResult().ToList();
}
var listClone = new List<IPAddress>();
var subnets = LocalSubnetsFn();
foreach (var i in list)
{
if (i.IsIPv6LinkLocal || i.ToString().StartsWith("169.254.", StringComparison.OrdinalIgnoreCase))
{
continue;
}
if (Array.IndexOf(subnets, $"[{i}]") == -1)
{
listClone.Add(i);
}
}
return listClone
.OrderBy(i => i.AddressFamily == AddressFamily.InterNetwork ? 0 : 1)
// .ThenBy(i => listClone.IndexOf(i))
.GroupBy(i => i.ToString())
.Select(x => x.First())
.ToList();
}
/// <inheritdoc/>
public bool IsInPrivateAddressSpace(string endpoint)
{
return IsInPrivateAddressSpace(endpoint, true);
}
// Checks if the address in endpoint is an RFC1918, RFC1122, or RFC3927 address
private bool IsInPrivateAddressSpace(string endpoint, bool checkSubnets)
{
if (string.Equals(endpoint, "::1", StringComparison.OrdinalIgnoreCase))
{
return true;
}
// IPV6
if (endpoint.Split('.').Length > 4)
{
// Handle ipv4 mapped to ipv6
var originalEndpoint = endpoint;
endpoint = endpoint.Replace("::ffff:", string.Empty, StringComparison.OrdinalIgnoreCase);
if (string.Equals(endpoint, originalEndpoint, StringComparison.OrdinalIgnoreCase))
{
return false;
}
}
// Private address space:
if (string.Equals(endpoint, "localhost", StringComparison.OrdinalIgnoreCase))
{
return true;
}
if (!IPAddress.TryParse(endpoint, out var ipAddress))
{
return false;
}
byte[] octet = ipAddress.GetAddressBytes();
if ((octet[0] == 10) ||
(octet[0] == 172 && (octet[1] >= 16 && octet[1] <= 31)) || // RFC1918
(octet[0] == 192 && octet[1] == 168) || // RFC1918
(octet[0] == 127) || // RFC1122
(octet[0] == 169 && octet[1] == 254)) // RFC3927
{
return true;
}
if (checkSubnets && IsInPrivateAddressSpaceAndLocalSubnet(endpoint))
{
return true;
}
return false;
}
/// <inheritdoc/>
public bool IsInPrivateAddressSpaceAndLocalSubnet(string endpoint)
{
if (endpoint.StartsWith("10.", StringComparison.OrdinalIgnoreCase))
{
var endpointFirstPart = endpoint.Split('.')[0];
var subnets = GetSubnets(endpointFirstPart);
foreach (var subnet_Match in subnets)
{
// logger.LogDebug("subnet_Match:" + subnet_Match);
if (endpoint.StartsWith(subnet_Match + ".", StringComparison.OrdinalIgnoreCase))
{
return true;
}
}
}
return false;
}
// Gives a list of possible subnets from the system whose interface ip starts with endpointFirstPart
private List<string> GetSubnets(string endpointFirstPart)
{
lock (_subnetLookupLock)
{
if (_subnetLookup.TryGetValue(endpointFirstPart, out var subnets))
{
return subnets;
}
subnets = new List<string>();
foreach (var adapter in NetworkInterface.GetAllNetworkInterfaces())
{
foreach (var unicastIPAddressInformation in adapter.GetIPProperties().UnicastAddresses)
{
if (unicastIPAddressInformation.Address.AddressFamily == AddressFamily.InterNetwork && endpointFirstPart == unicastIPAddressInformation.Address.ToString().Split('.')[0])
{
int subnet_Test = 0;
foreach (string part in unicastIPAddressInformation.IPv4Mask.ToString().Split('.'))
{
if (part.Equals("0", StringComparison.Ordinal))
{
break;
}
subnet_Test++;
}
var subnet_Match = string.Join(".", unicastIPAddressInformation.Address.ToString().Split('.').Take(subnet_Test).ToArray());
// TODO: Is this check necessary?
if (adapter.OperationalStatus == OperationalStatus.Up)
{
subnets.Add(subnet_Match);
}
}
}
}
_subnetLookup[endpointFirstPart] = subnets;
return subnets;
}
}
/// <inheritdoc/>
public bool IsInLocalNetwork(string endpoint)
{
return IsInLocalNetworkInternal(endpoint, true);
}
/// <inheritdoc/>
public bool IsAddressInSubnets(string addressString, string[] subnets)
{
return IsAddressInSubnets(IPAddress.Parse(addressString), addressString, subnets);
}
/// <inheritdoc/>
public bool IsAddressInSubnets(IPAddress address, bool excludeInterfaces, bool excludeRFC)
{
byte[] octet = address.GetAddressBytes();
if ((octet[0] == 127) || // RFC1122
(octet[0] == 169 && octet[1] == 254)) // RFC3927
{
// don't use on loopback or 169 interfaces
return false;
}
string addressString = address.ToString();
string excludeAddress = "[" + addressString + "]";
var subnets = LocalSubnetsFn();
// Include any address if LAN subnets aren't specified
if (subnets.Length == 0)
{
return true;
}
// Exclude any addresses if they appear in the LAN list in [ ]
if (Array.IndexOf(subnets, excludeAddress) != -1)
{
return false;
}
return IsAddressInSubnets(address, addressString, subnets);
}
/// <summary>
/// Checks if the give address falls within the ranges given in [subnets]. The addresses in subnets can be hosts or subnets in the CIDR format.
/// </summary>
/// <param name="address">IPAddress version of the address.</param>
/// <param name="addressString">The address to check.</param>
/// <param name="subnets">If true, check against addresses in the LAN settings which have [] arroud and return true if it matches the address give in address.</param>
/// <returns><c>false</c>if the address isn't in the subnets, <c>true</c> otherwise.</returns>
private static bool IsAddressInSubnets(IPAddress address, string addressString, string[] subnets)
{
foreach (var subnet in subnets)
{
var normalizedSubnet = subnet.Trim();
// Is the subnet a host address and does it match the address being passes?
if (string.Equals(normalizedSubnet, addressString, StringComparison.OrdinalIgnoreCase))
{
return true;
}
// Parse CIDR subnets and see if address falls within it.
if (normalizedSubnet.Contains('/', StringComparison.Ordinal))
{
try
{
var ipNetwork = IPNetwork.Parse(normalizedSubnet);
if (ipNetwork.Contains(address))
{
return true;
}
}
catch
{
// Ignoring - invalid subnet passed encountered.
}
}
}
return false;
}
private bool IsInLocalNetworkInternal(string endpoint, bool resolveHost)
{
if (string.IsNullOrEmpty(endpoint))
{
throw new ArgumentNullException(nameof(endpoint));
}
if (IPAddress.TryParse(endpoint, out var address))
{
var addressString = address.ToString();
var localSubnetsFn = LocalSubnetsFn;
if (localSubnetsFn != null)
{
var localSubnets = localSubnetsFn();
foreach (var subnet in localSubnets)
{
// Only validate if there's at least one valid entry.
if (!string.IsNullOrWhiteSpace(subnet))
{
return IsAddressInSubnets(address, addressString, localSubnets) || IsInPrivateAddressSpace(addressString, false);
}
}
}
int lengthMatch = 100;
if (address.AddressFamily == AddressFamily.InterNetwork)
{
lengthMatch = 4;
if (IsInPrivateAddressSpace(addressString, true))
{
return true;
}
}
else if (address.AddressFamily == AddressFamily.InterNetworkV6)
{
lengthMatch = 9;
if (IsInPrivateAddressSpace(endpoint, true))
{
return true;
}
}
// Should be even be doing this with ipv6?
if (addressString.Length >= lengthMatch)
{
var prefix = addressString.Substring(0, lengthMatch);
if (GetLocalIpAddresses().Any(i => i.ToString().StartsWith(prefix, StringComparison.OrdinalIgnoreCase)))
{
return true;
}
}
}
else if (resolveHost)
{
if (Uri.TryCreate(endpoint, UriKind.RelativeOrAbsolute, out var uri))
{
try
{
var host = uri.DnsSafeHost;
_logger.LogDebug("Resolving host {0}", host);
address = GetIpAddresses(host).GetAwaiter().GetResult().FirstOrDefault();
if (address != null)
{
_logger.LogDebug("{0} resolved to {1}", host, address);
return IsInLocalNetworkInternal(address.ToString(), false);
}
}
catch (InvalidOperationException)
{
// Can happen with reverse proxy or IIS url rewriting?
}
catch (Exception ex)
{
_logger.LogError(ex, "Error resolving hostname");
}
}
}
return false;
}
private static Task<IPAddress[]> GetIpAddresses(string hostName)
{
return Dns.GetHostAddressesAsync(hostName);
}
private IEnumerable<IPAddress> GetIPsDefault()
{
IEnumerable<NetworkInterface> interfaces;
try
{
interfaces = NetworkInterface.GetAllNetworkInterfaces()
.Where(x => x.OperationalStatus == OperationalStatus.Up
|| x.OperationalStatus == OperationalStatus.Unknown);
}
catch (NetworkInformationException ex)
{
_logger.LogError(ex, "Error in GetAllNetworkInterfaces");
return Enumerable.Empty<IPAddress>();
}
return interfaces.SelectMany(network =>
{
var ipProperties = network.GetIPProperties();
// Exclude any addresses if they appear in the LAN list in [ ]
return ipProperties.UnicastAddresses
.Select(i => i.Address)
.Where(i => i.AddressFamily == AddressFamily.InterNetwork || i.AddressFamily == AddressFamily.InterNetworkV6);
}).GroupBy(i => i.ToString())
.Select(x => x.First());
}
private static async Task<IEnumerable<IPAddress>> GetLocalIpAddressesFallback()
{
var host = await Dns.GetHostEntryAsync(Dns.GetHostName()).ConfigureAwait(false);
// Reverse them because the last one is usually the correct one
// It's not fool-proof so ultimately the consumer will have to examine them and decide
return host.AddressList
.Where(i => i.AddressFamily == AddressFamily.InterNetwork || i.AddressFamily == AddressFamily.InterNetworkV6)
.Reverse();
}
/// <summary>
/// Gets a random port number that is currently available.
/// </summary>
/// <returns>System.Int32.</returns>
public int GetRandomUnusedTcpPort()
{
var listener = new TcpListener(IPAddress.Any, 0);
listener.Start();
var port = ((IPEndPoint)listener.LocalEndpoint).Port;
listener.Stop();
return port;
}
/// <inheritdoc/>
public int GetRandomUnusedUdpPort()
{
var localEndPoint = new IPEndPoint(IPAddress.Any, 0);
using (var udpClient = new UdpClient(localEndPoint))
{
return ((IPEndPoint)udpClient.Client.LocalEndPoint).Port;
}
}
/// <inheritdoc/>
public List<PhysicalAddress> GetMacAddresses()
{
return _macAddresses ??= GetMacAddressesInternal().ToList();
}
private static IEnumerable<PhysicalAddress> GetMacAddressesInternal()
=> NetworkInterface.GetAllNetworkInterfaces()
.Where(i => i.NetworkInterfaceType != NetworkInterfaceType.Loopback)
.Select(x => x.GetPhysicalAddress())
.Where(x => !x.Equals(PhysicalAddress.None));
/// <inheritdoc/>
public bool IsInSameSubnet(IPAddress address1, IPAddress address2, IPAddress subnetMask)
{
IPAddress network1 = GetNetworkAddress(address1, subnetMask);
IPAddress network2 = GetNetworkAddress(address2, subnetMask);
return network1.Equals(network2);
}
private IPAddress GetNetworkAddress(IPAddress address, IPAddress subnetMask)
{
byte[] ipAdressBytes = address.GetAddressBytes();
byte[] subnetMaskBytes = subnetMask.GetAddressBytes();
if (ipAdressBytes.Length != subnetMaskBytes.Length)
{
throw new ArgumentException("Lengths of IP address and subnet mask do not match.");
}
byte[] broadcastAddress = new byte[ipAdressBytes.Length];
for (int i = 0; i < broadcastAddress.Length; i++)
{
broadcastAddress[i] = (byte)(ipAdressBytes[i] & subnetMaskBytes[i]);
}
return new IPAddress(broadcastAddress);
}
/// <inheritdoc/>
public IPAddress GetLocalIpSubnetMask(IPAddress address)
{
NetworkInterface[] interfaces;
try
{
var validStatuses = new[] { OperationalStatus.Up, OperationalStatus.Unknown };
interfaces = NetworkInterface.GetAllNetworkInterfaces()
.Where(i => validStatuses.Contains(i.OperationalStatus))
.ToArray();
}
catch (Exception ex)
{
_logger.LogError(ex, "Error in GetAllNetworkInterfaces");
return null;
}
foreach (NetworkInterface ni in interfaces)
{
foreach (UnicastIPAddressInformation ip in ni.GetIPProperties().UnicastAddresses)
{
if (ip.Address.Equals(address) && ip.IPv4Mask != null)
{
return ip.IPv4Mask;
}
}
}
return null;
}
}
}

2
Emby.Server.Implementations/Udp/UdpServer.cs
View File

@@ -49,7 +49,7 @@ namespace Emby.Server.Implementations.Udp
{
string localUrl = !string.IsNullOrEmpty(_config[AddressOverrideConfigKey])
? _config[AddressOverrideConfigKey]
: await _appHost.GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
: _appHost.GetSmartApiUrl(string.Empty); // MIGRATION: Temp value.
if (!string.IsNullOrEmpty(localUrl))
{