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handle dlna browse requests

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This commit is contained in:
Luke Pulverenti
2014-04-16 01:08:12 -04:00
parent 2ce9e05d2f
commit ea182931db
16 changed files with 498 additions and 56 deletions
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422
MediaBrowser.Dlna/Server/ControlHandler.cs
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@@ -1,8 +1,14 @@
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Xml;
@@ -11,6 +17,9 @@ namespace MediaBrowser.Dlna.Server
public class ControlHandler
{
private readonly ILogger _logger;
private readonly IUserManager _userManager;
private readonly ILibraryManager _libraryManager;
private DeviceProfile _profile;
private const string NS_DC = "http://purl.org/dc/elements/1.1/";
private const string NS_DIDL = "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/";
@@ -19,14 +28,29 @@ namespace MediaBrowser.Dlna.Server
private const string NS_SOAPENV = "http://schemas.xmlsoap.org/soap/envelope/";
private const string NS_UPNP = "urn:schemas-upnp-org:metadata-1-0/upnp/";
private const int systemID = 0;
private int systemID = 0;
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
public ControlHandler(ILogger logger)
public ControlHandler(ILogger logger, IUserManager userManager, ILibraryManager libraryManager)
{
_logger = logger;
_userManager = userManager;
_libraryManager = libraryManager;
}
public ControlResponse ProcessControlRequest(ControlRequest request)
{
try
{
return ProcessControlRequestInternal(request);
}
catch (Exception ex)
{
return GetErrorResponse(ex);
}
}
private ControlResponse ProcessControlRequestInternal(ControlRequest request)
{
var soap = new XmlDocument();
soap.LoadXml(request.InputXml);
@@ -55,6 +79,11 @@ namespace MediaBrowser.Dlna.Server
env.DocumentElement.AppendChild(rbody);
IEnumerable<KeyValuePair<string, string>> result;
_logger.Debug("Received control request {0}", method.Name);
var user = _userManager.Users.First();
switch (method.LocalName)
{
case "GetSearchCapabilities":
@@ -67,13 +96,13 @@ namespace MediaBrowser.Dlna.Server
result = HandleGetSystemUpdateID();
break;
case "Browse":
result = HandleBrowse(sparams);
result = HandleBrowse(sparams, user);
break;
case "X_GetFeatureList":
result = HandleXGetFeatureList();
break;
case "X_SetBookmark":
result = HandleXSetBookmark(sparams);
result = HandleXSetBookmark(sparams, user);
break;
default:
throw new ResourceNotFoundException();
@@ -99,41 +128,60 @@ namespace MediaBrowser.Dlna.Server
return controlResponse;
}
private Headers HandleXSetBookmark(Headers sparams)
private ControlResponse GetErrorResponse(Exception ex)
{
var env = new XmlDocument();
env.AppendChild(env.CreateXmlDeclaration("1.0", "utf-8", "yes"));
var envelope = env.CreateElement("SOAP-ENV", "Envelope", NS_SOAPENV);
env.AppendChild(envelope);
envelope.SetAttribute("encodingStyle", NS_SOAPENV, "http://schemas.xmlsoap.org/soap/encoding/");
var rbody = env.CreateElement("SOAP-ENV:Body", NS_SOAPENV);
env.DocumentElement.AppendChild(rbody);
var fault = env.CreateElement("SOAP-ENV", "Fault", NS_SOAPENV);
var faultCode = env.CreateElement("faultcode");
faultCode.InnerText = "500";
fault.AppendChild(faultCode);
var faultString = env.CreateElement("faultstring");
faultString.InnerText = ex.ToString();
fault.AppendChild(faultString);
var detail = env.CreateDocumentFragment();
detail.InnerXml = "<detail><UPnPError xmlns=\"urn:schemas-upnp-org:control-1-0\"><errorCode>401</errorCode><errorDescription>Invalid Action</errorDescription></UPnPError></detail>";
fault.AppendChild(detail);
rbody.AppendChild(fault);
return new ControlResponse
{
Xml = env.OuterXml
};
}
private IEnumerable<KeyValuePair<string, string>> HandleXSetBookmark(IDictionary<string, string> sparams, User user)
{
var id = sparams["ObjectID"];
//var item = GetItem(id) as IBookmarkable;
//if (item != null)
//{
// var newbookmark = long.Parse(sparams["PosSecond"]);
// if (newbookmark > 30)
// {
// newbookmark -= 5;
// }
// if (newbookmark > 30 || !item.Bookmark.HasValue || item.Bookmark.Value < 60)
// {
// item.Bookmark = newbookmark;
// }
//}
var newbookmark = long.Parse(sparams["PosSecond"]);
return new Headers();
}
private Headers HandleGetSearchCapabilities()
private IEnumerable<KeyValuePair<string, string>> HandleGetSearchCapabilities()
{
return new Headers { { "SearchCaps", string.Empty } };
}
private Headers HandleGetSortCapabilities()
private IEnumerable<KeyValuePair<string, string>> HandleGetSortCapabilities()
{
return new Headers { { "SortCaps", string.Empty } };
}
private Headers HandleGetSystemUpdateID()
private IEnumerable<KeyValuePair<string, string>> HandleGetSystemUpdateID()
{
return new Headers { { "Id", systemID.ToString() } };
return new Headers { { "Id", systemID.ToString(_usCulture) } };
}
private Headers HandleXGetFeatureList()
private IEnumerable<KeyValuePair<string, string>> HandleXGetFeatureList()
{
return new Headers { { "FeatureList", GetFeatureListXml() } };
}
@@ -156,14 +204,14 @@ namespace MediaBrowser.Dlna.Server
return builder.ToString();
}
private IEnumerable<KeyValuePair<string, string>> HandleBrowse(Headers sparams)
private IEnumerable<KeyValuePair<string, string>> HandleBrowse(Headers sparams, User user)
{
var id = sparams["ObjectID"];
var flag = sparams["BrowseFlag"];
int requested;
int requested = 20;
var provided = 0;
int start;
int start = 0;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requested) && requested <= 0)
{
@@ -184,7 +232,327 @@ namespace MediaBrowser.Dlna.Server
didl.SetAttribute("xmlns:sec", NS_SEC);
result.AppendChild(didl);
return null;
var folder = string.IsNullOrWhiteSpace(id)
? user.RootFolder
: (Folder)_libraryManager.GetItemById(new Guid(id));
var children = folder.GetChildren(user, true).ToList();
if (string.Equals(flag, "BrowseMetadata"))
{
Browse_AddFolder(result, folder, children.Count);
provided++;
}
else
{
foreach (var i in children.OfType<Folder>())
{
if (start > 0)
{
start--;
continue;
}
var childCount = i.GetChildren(user, true).Count();
Browse_AddFolder(result, i, childCount);
if (++provided == requested)
{
break;
}
}
if (provided != requested)
{
foreach (var i in children.Where(i => !i.IsFolder))
{
if (start > 0)
{
start--;
continue;
}
Browse_AddItem(result, i, user);
if (++provided == requested)
{
break;
}
}
}
}
var resXML = result.OuterXml;
return new List<KeyValuePair<string, string>>
{
new KeyValuePair<string,string>("Result", resXML),
new KeyValuePair<string,string>("NumberReturned", provided.ToString(_usCulture)),
new KeyValuePair<string,string>("TotalMatches", children.Count.ToString(_usCulture)),
new KeyValuePair<string,string>("UpdateID", systemID.ToString(_usCulture))
};
}
private void Browse_AddFolder(XmlDocument result, Folder f, int childCount)
{
var container = result.CreateElement(string.Empty, "container", NS_DIDL);
container.SetAttribute("restricted", "0");
container.SetAttribute("childCount", childCount.ToString(_usCulture));
container.SetAttribute("id", f.Id.ToString("N"));
var parent = f.Parent;
if (parent == null)
{
container.SetAttribute("parentID", "0");
}
else
{
container.SetAttribute("parentID", parent.Id.ToString("N"));
}
var title = result.CreateElement("dc", "title", NS_DC);
title.InnerText = f.Name;
container.AppendChild(title);
var date = result.CreateElement("dc", "date", NS_DC);
date.InnerText = f.DateModified.ToString("o");
container.AppendChild(date);
var objectClass = result.CreateElement("upnp", "class", NS_UPNP);
objectClass.InnerText = "object.container.storageFolder";
container.AppendChild(objectClass);
result.DocumentElement.AppendChild(container);
}
private void Browse_AddItem(XmlDocument result, BaseItem item, User user)
{
var element = result.CreateElement(string.Empty, "item", NS_DIDL);
element.SetAttribute("restricted", "1");
element.SetAttribute("id", item.Id.ToString("N"));
if (item.Parent != null)
{
element.SetAttribute("parentID", item.Parent.Id.ToString("N"));
}
element.AppendChild(CreateObjectClass(result, item));
AddBookmarkInfo(item, user, element);
AddGeneralProperties(item, element);
AddActors(item, element);
var title = result.CreateElement("dc", "title", NS_DC);
title.InnerText = item.Name;
element.AppendChild(title);
var res = result.CreateElement(string.Empty, "res", NS_DIDL);
//res.InnerText = String.Format(
// "http://{0}:{1}{2}file/{3}",
// request.LocalEndPoint.Address,
// request.LocalEndPoint.Port,
// prefix,
// resource.Id
// );
//if (props.TryGetValue("SizeRaw", out prop))
//{
// res.SetAttribute("size", prop);
//}
//if (props.TryGetValue("Resolution", out prop))
//{
// res.SetAttribute("resolution", prop);
//}
//if (props.TryGetValue("Duration", out prop))
//{
// res.SetAttribute("duration", prop);
//}
//res.SetAttribute("protocolInfo", String.Format(
// "http-get:*:{1}:{0};DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS={2}",
// resource.PN, DlnaMaps.Mime[resource.Type], DlnaMaps.DefaultStreaming
// ));
element.AppendChild(res);
AddCover(item, element);
result.DocumentElement.AppendChild(element);
}
private XmlElement CreateObjectClass(XmlDocument result, BaseItem item)
{
var objectClass = result.CreateElement("upnp", "class", NS_UPNP);
if (string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase))
{
objectClass.InnerText = "object.item.audioItem.musicTrack";
}
else if (string.Equals(item.MediaType, MediaType.Photo, StringComparison.OrdinalIgnoreCase))
{
objectClass.InnerText = "object.item.imageItem.photo";
}
else if (string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
{
objectClass.InnerText = "object.item.videoItem.movie";
}
else
{
throw new NotSupportedException();
}
return objectClass;
}
private void AddActors(BaseItem item, XmlElement element)
{
foreach (var actor in item.People)
{
var e = element.OwnerDocument.CreateElement("upnp", "actor", NS_UPNP);
e.InnerText = actor.Name;
element.AppendChild(e);
}
}
private void AddBookmarkInfo(BaseItem item, User user, XmlElement element)
{
//var bookmark = bookmarkable.Bookmark;
//if (bookmark.HasValue)
//{
// var dcmInfo = item.OwnerDocument.CreateElement("sec", "dcmInfo", NS_SEC);
// dcmInfo.InnerText = string.Format("BM={0}", bookmark.Value);
// item.AppendChild(dcmInfo);
//}
}
private void AddGeneralProperties(BaseItem item, XmlElement element)
{
//var prop = string.Empty;
//if (props.TryGetValue("DateO", out prop))
//{
// var e = item.OwnerDocument.CreateElement("dc", "date", NS_DC);
// e.InnerText = prop;
// item.AppendChild(e);
//}
//if (props.TryGetValue("Genre", out prop))
//{
// var e = item.OwnerDocument.CreateElement("upnp", "genre", NS_UPNP);
// e.InnerText = prop;
// item.AppendChild(e);
//}
if (!string.IsNullOrWhiteSpace(item.Overview))
{
var e = element.OwnerDocument.CreateElement("dc", "description", NS_DC);
e.InnerText = item.Overview;
element.AppendChild(e);
}
//if (props.TryGetValue("Artist", out prop))
//{
// var e = item.OwnerDocument.CreateElement("upnp", "artist", NS_UPNP);
// e.SetAttribute("role", "AlbumArtist");
// e.InnerText = prop;
// item.AppendChild(e);
//}
//if (props.TryGetValue("Performer", out prop))
//{
// var e = item.OwnerDocument.CreateElement("upnp", "artist", NS_UPNP);
// e.SetAttribute("role", "Performer");
// e.InnerText = prop;
// item.AppendChild(e);
// e = item.OwnerDocument.CreateElement("dc", "creator", NS_DC);
// e.InnerText = prop;
// item.AppendChild(e);
//}
//if (props.TryGetValue("Album", out prop))
//{
// var e = item.OwnerDocument.CreateElement("upnp", "album", NS_UPNP);
// e.InnerText = prop;
// item.AppendChild(e);
//}
//if (props.TryGetValue("Track", out prop))
//{
// var e = item.OwnerDocument.CreateElement("upnp", "originalTrackNumber", NS_UPNP);
// e.InnerText = prop;
// item.AppendChild(e);
//}
//if (props.TryGetValue("Creator", out prop))
//{
// var e = item.OwnerDocument.CreateElement("dc", "creator", NS_DC);
// e.InnerText = prop;
// item.AppendChild(e);
//}
//if (props.TryGetValue("Director", out prop))
//{
// var e = item.OwnerDocument.CreateElement("upnp", "director", NS_UPNP);
// e.InnerText = prop;
// item.AppendChild(e);
//}
}
private void AddCover(BaseItem item, XmlElement element)
{
//var result = item.OwnerDocument;
//var cover = resource as IMediaCover;
//if (cover == null)
//{
// return;
//}
//try
//{
// var c = cover.Cover;
// var curl = String.Format(
// "http://{0}:{1}{2}cover/{3}",
// request.LocalEndPoint.Address,
// request.LocalEndPoint.Port,
// prefix,
// resource.Id
// );
// var icon = result.CreateElement("upnp", "albumArtURI", NS_UPNP);
// var profile = result.CreateAttribute("dlna", "profileID", NS_DLNA);
// profile.InnerText = "JPEG_TN";
// icon.SetAttributeNode(profile);
// icon.InnerText = curl;
// item.AppendChild(icon);
// icon = result.CreateElement("upnp", "icon", NS_UPNP);
// profile = result.CreateAttribute("dlna", "profileID", NS_DLNA);
// profile.InnerText = "JPEG_TN";
// icon.SetAttributeNode(profile);
// icon.InnerText = curl;
// item.AppendChild(icon);
// var res = result.CreateElement(string.Empty, "res", NS_DIDL);
// res.InnerText = curl;
// res.SetAttribute("protocolInfo", string.Format(
// "http-get:*:{1}:{0};DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS={2}",
// c.PN, DlnaMaps.Mime[c.Type], DlnaMaps.DefaultStreaming
// ));
// var width = c.MetaWidth;
// var height = c.MetaHeight;
// if (width.HasValue && height.HasValue)
// {
// res.SetAttribute("resolution", string.Format("{0}x{1}", width.Value, height.Value));
// }
// else
// {
// res.SetAttribute("resolution", "200x200");
// }
// res.SetAttribute("protocolInfo", string.Format(
// "http-get:*:image/jpeg:DLNA.ORG_PN=JPEG_TN;DLNA.ORG_OP=01;DLNA.ORG_CI=1;DLNA.ORG_FLAGS={0}",
// DlnaMaps.DefaultInteractive
// ));
// item.AppendChild(res);
//}
//catch (Exception)
//{
// return;
//}
}
}
}