jellyfin-server/MediaBrowser.Dlna/Server/ControlHandler.cs
2014-04-24 10:11:05 -04:00

480 lines
18 KiB
C#

using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Dlna.Didl;
using MediaBrowser.Model.Dlna;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Querying;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading;
using System.Xml;
namespace MediaBrowser.Dlna.Server
{
public class ControlHandler
{
private readonly ILogger _logger;
private readonly ILibraryManager _libraryManager;
private readonly IUserDataManager _userDataManager;
private readonly User _user;
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/";
private const string NS_DLNA = "urn:schemas-dlna-org:metadata-1-0/";
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 readonly int _systemUpdateId;
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
private readonly DidlBuilder _didlBuilder;
private readonly DeviceProfile _profile;
public ControlHandler(ILogger logger, ILibraryManager libraryManager, DeviceProfile profile, string serverAddress, IDtoService dtoService, IImageProcessor imageProcessor, IUserDataManager userDataManager, User user, int systemUpdateId)
{
_logger = logger;
_libraryManager = libraryManager;
_userDataManager = userDataManager;
_user = user;
_systemUpdateId = systemUpdateId;
_profile = profile;
_didlBuilder = new DidlBuilder(profile, imageProcessor, serverAddress, dtoService);
}
public ControlResponse ProcessControlRequest(ControlRequest request)
{
try
{
return ProcessControlRequestInternal(request);
}
catch (Exception ex)
{
_logger.ErrorException("Error processing control request", ex);
return GetErrorResponse(ex);
}
}
private ControlResponse ProcessControlRequestInternal(ControlRequest request)
{
var soap = new XmlDocument();
soap.LoadXml(request.InputXml);
var sparams = new Headers();
var body = soap.GetElementsByTagName("Body", NS_SOAPENV).Item(0);
var method = body.FirstChild;
foreach (var p in method.ChildNodes)
{
var e = p as XmlElement;
if (e == null)
{
continue;
}
sparams.Add(e.LocalName, e.InnerText.Trim());
}
var deviceId = "test";
IEnumerable<KeyValuePair<string, string>> result;
_logger.Debug("Received control request {0}", method.Name);
var user = _user;
if (string.Equals(method.LocalName, "GetSearchCapabilities", StringComparison.OrdinalIgnoreCase))
result = HandleGetSearchCapabilities();
else if (string.Equals(method.LocalName, "GetSortCapabilities", StringComparison.OrdinalIgnoreCase))
result = HandleGetSortCapabilities();
else if (string.Equals(method.LocalName, "GetSystemUpdateID", StringComparison.OrdinalIgnoreCase))
result = HandleGetSystemUpdateID();
else if (string.Equals(method.LocalName, "Browse", StringComparison.OrdinalIgnoreCase))
result = HandleBrowse(sparams, user, deviceId);
else if (string.Equals(method.LocalName, "X_GetFeatureList", StringComparison.OrdinalIgnoreCase))
result = HandleXGetFeatureList();
else if (string.Equals(method.LocalName, "X_SetBookmark", StringComparison.OrdinalIgnoreCase))
result = HandleXSetBookmark(sparams, user);
else if (string.Equals(method.LocalName, "Search", StringComparison.OrdinalIgnoreCase))
result = HandleSearch(sparams, user, deviceId);
else
throw new ResourceNotFoundException("Unexpected control request name: " + method.LocalName);
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 response = env.CreateElement(String.Format("u:{0}Response", method.LocalName), method.NamespaceURI);
rbody.AppendChild(response);
foreach (var i in result)
{
var ri = env.CreateElement(i.Key);
ri.InnerText = i.Value;
response.AppendChild(ri);
}
var controlResponse = new ControlResponse
{
Xml = env.OuterXml,
IsSuccessful = true
};
controlResponse.Headers.Add("EXT", string.Empty);
return controlResponse;
}
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,
IsSuccessful = false
};
}
private IEnumerable<KeyValuePair<string, string>> HandleXSetBookmark(IDictionary<string, string> sparams, User user)
{
var id = sparams["ObjectID"];
var item = GetItemFromObjectId(id, user);
var newbookmark = int.Parse(sparams["PosSecond"], _usCulture);
var userdata = _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
userdata.PlaybackPositionTicks = TimeSpan.FromSeconds(newbookmark).Ticks;
_userDataManager.SaveUserData(user.Id, item, userdata, UserDataSaveReason.TogglePlayed,
CancellationToken.None);
return new Headers();
}
private IEnumerable<KeyValuePair<string, string>> HandleGetSearchCapabilities()
{
return new Headers { { "SearchCaps", string.Empty } };
}
private IEnumerable<KeyValuePair<string, string>> HandleGetSortCapabilities()
{
return new Headers { { "SortCaps", string.Empty } };
}
private IEnumerable<KeyValuePair<string, string>> HandleGetSystemUpdateID()
{
return new Headers { { "Id", _systemUpdateId.ToString(_usCulture) } };
}
private IEnumerable<KeyValuePair<string, string>> HandleXGetFeatureList()
{
return new Headers { { "FeatureList", GetFeatureListXml() } };
}
private string GetFeatureListXml()
{
var builder = new StringBuilder();
builder.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
builder.Append("<Features xmlns=\"urn:schemas-upnp-org:av:avs\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"urn:schemas-upnp-org:av:avs http://www.upnp.org/schemas/av/avs.xsd\">");
builder.Append("<Feature name=\"samsung.com_BASICVIEW\" version=\"1\">");
builder.Append("<container id=\"I\" type=\"object.item.imageItem\"/>");
builder.Append("<container id=\"A\" type=\"object.item.audioItem\"/>");
builder.Append("<container id=\"V\" type=\"object.item.videoItem\"/>");
builder.Append("</Feature>");
builder.Append("</Features>");
return builder.ToString();
}
private IEnumerable<KeyValuePair<string, string>> HandleBrowse(Headers sparams, User user, string deviceId)
{
var id = sparams["ObjectID"];
var flag = sparams["BrowseFlag"];
var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
var provided = 0;
var requested = 0;
var start = 0;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requested) && requested <= 0)
{
requested = 0;
}
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out start) && start <= 0)
{
start = 0;
}
//var root = GetItem(id) as IMediaFolder;
var result = new XmlDocument();
var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
didl.SetAttribute("xmlns:dc", NS_DC);
didl.SetAttribute("xmlns:dlna", NS_DLNA);
didl.SetAttribute("xmlns:upnp", NS_UPNP);
//didl.SetAttribute("xmlns:sec", NS_SEC);
result.AppendChild(didl);
var folder = (Folder)GetItemFromObjectId(id, user);
var children = GetChildrenSorted(folder, user, sortCriteria).ToList();
var totalCount = children.Count;
if (string.Equals(flag, "BrowseMetadata"))
{
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, folder, children.Count, filter));
provided++;
}
else
{
if (start > 0)
{
children = children.Skip(start).ToList();
}
if (requested > 0)
{
children = children.Take(requested).ToList();
}
provided = children.Count;
foreach (var i in children)
{
if (i.IsFolder)
{
var f = (Folder)i;
var childCount = GetChildrenSorted(f, user, sortCriteria).Count();
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, f, childCount, filter));
}
else
{
result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, i, deviceId, filter));
}
}
}
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", totalCount.ToString(_usCulture)),
new KeyValuePair<string,string>("UpdateID", _systemUpdateId.ToString(_usCulture))
};
}
private IEnumerable<KeyValuePair<string, string>> HandleSearch(Headers sparams, User user, string deviceId)
{
var searchCriteria = new SearchCriteria(sparams.GetValueOrDefault("SearchCriteria", ""));
var sortCriteria = new SortCriteria(sparams.GetValueOrDefault("SortCriteria", ""));
var filter = new Filter(sparams.GetValueOrDefault("Filter", "*"));
// sort example: dc:title, dc:date
var requested = 0;
var start = 0;
if (sparams.ContainsKey("RequestedCount") && int.TryParse(sparams["RequestedCount"], out requested) && requested <= 0)
{
requested = 0;
}
if (sparams.ContainsKey("StartingIndex") && int.TryParse(sparams["StartingIndex"], out start) && start <= 0)
{
start = 0;
}
//var root = GetItem(id) as IMediaFolder;
var result = new XmlDocument();
var didl = result.CreateElement(string.Empty, "DIDL-Lite", NS_DIDL);
didl.SetAttribute("xmlns:dc", NS_DC);
didl.SetAttribute("xmlns:dlna", NS_DLNA);
didl.SetAttribute("xmlns:upnp", NS_UPNP);
foreach (var att in _profile.XmlRootAttributes)
{
didl.SetAttribute(att.Name, att.Value);
}
result.AppendChild(didl);
var folder = (Folder)GetItemFromObjectId(sparams["ContainerID"], user);
var children = GetChildrenSorted(folder, user, searchCriteria, sortCriteria).ToList();
var totalCount = children.Count;
if (start > 0)
{
children = children.Skip(start).ToList();
}
if (requested > 0)
{
children = children.Take(requested).ToList();
}
var provided = children.Count;
foreach (var i in children)
{
if (i.IsFolder)
{
var f = (Folder)i;
var childCount = GetChildrenSorted(f, user, searchCriteria, sortCriteria).Count();
result.DocumentElement.AppendChild(_didlBuilder.GetFolderElement(result, f, childCount, filter));
}
else
{
result.DocumentElement.AppendChild(_didlBuilder.GetItemElement(result, i, deviceId, filter));
}
}
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", totalCount.ToString(_usCulture)),
new KeyValuePair<string,string>("UpdateID", _systemUpdateId.ToString(_usCulture))
};
}
private IEnumerable<BaseItem> GetChildrenSorted(Folder folder, User user, SearchCriteria search, SortCriteria sort)
{
if (search.SearchType == SearchType.Unknown)
{
return GetChildrenSorted(folder, user, sort);
}
var items = folder.GetRecursiveChildren(user);
items = FilterUnsupportedContent(items);
if (search.SearchType == SearchType.Audio)
{
items = items.OfType<Audio>();
}
else if (search.SearchType == SearchType.Video)
{
items = items.OfType<Video>();
}
else if (search.SearchType == SearchType.Image)
{
items = items.OfType<Photo>();
}
else if (search.SearchType == SearchType.Playlist)
{
}
return SortItems(items, user, sort);
}
private IEnumerable<BaseItem> GetChildrenSorted(Folder folder, User user, SortCriteria sort)
{
var items = folder.GetChildren(user, true);
items = FilterUnsupportedContent(items);
if (folder is Series || folder is Season || folder is BoxSet)
{
return items;
}
return SortItems(items, user, sort);
}
private IEnumerable<BaseItem> SortItems(IEnumerable<BaseItem> items, User user, SortCriteria sort)
{
return _libraryManager.Sort(items, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending);
}
private IEnumerable<BaseItem> FilterUnsupportedContent(IEnumerable<BaseItem> items)
{
return items.Where(i =>
{
// Unplayable
// TODO: Display and prevent playback with restricted flag?
if (i.LocationType == LocationType.Virtual)
{
return false;
}
// Unplayable
// TODO: Display and prevent playback with restricted flag?
var supportsPlaceHolder = i as ISupportsPlaceHolders;
if (supportsPlaceHolder != null && supportsPlaceHolder.IsPlaceHolder)
{
return false;
}
// Upnp renderers won't understand these
// TODO: Display and prevent playback with restricted flag?
if (i is Game || i is Book)
{
return false;
}
return true;
});
}
private BaseItem GetItemFromObjectId(string id, User user)
{
return string.IsNullOrWhiteSpace(id) || string.Equals(id, "0", StringComparison.OrdinalIgnoreCase)
// Samsung sometimes uses 1 as root
|| string.Equals(id, "1", StringComparison.OrdinalIgnoreCase)
? user.RootFolder
: _libraryManager.GetItemById(new Guid(id));
}
}
}