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jellyfin/Emby.Dlna/Api/DlnaServerService.cs

372 lines
15 KiB

using System;
using System.IO;
using System.Text;
using System.Threading.Tasks;
using Emby.Dlna.Main;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Dlna;
using MediaBrowser.Controller.Net;
using MediaBrowser.Model.Services;
namespace Emby.Dlna.Api
{
[Route("/Dlna/{UuId}/description.xml", "GET", Summary = "Gets dlna server info")]
[Route("/Dlna/{UuId}/description", "GET", Summary = "Gets dlna server info")]
public class GetDescriptionXml
{
[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
public string UuId { get; set; }
}
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[Route("/Dlna/{UuId}/contentdirectory/contentdirectory.xml", "GET", Summary = "Gets dlna content directory xml")]
[Route("/Dlna/{UuId}/contentdirectory/contentdirectory", "GET", Summary = "Gets dlna content directory xml")]
public class GetContentDirectory
{
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[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
public string UuId { get; set; }
}
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[Route("/Dlna/{UuId}/connectionmanager/connectionmanager.xml", "GET", Summary = "Gets dlna connection manager xml")]
[Route("/Dlna/{UuId}/connectionmanager/connectionmanager", "GET", Summary = "Gets dlna connection manager xml")]
public class GetConnnectionManager
{
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[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
public string UuId { get; set; }
}
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[Route("/Dlna/{UuId}/mediareceiverregistrar/mediareceiverregistrar.xml", "GET", Summary = "Gets dlna mediareceiverregistrar xml")]
[Route("/Dlna/{UuId}/mediareceiverregistrar/mediareceiverregistrar", "GET", Summary = "Gets dlna mediareceiverregistrar xml")]
public class GetMediaReceiverRegistrar
{
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[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
public string UuId { get; set; }
}
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[Route("/Dlna/{UuId}/contentdirectory/control", "POST", Summary = "Processes a control request")]
public class ProcessContentDirectoryControlRequest : IRequiresRequestStream
{
[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
public string UuId { get; set; }
public Stream RequestStream { get; set; }
}
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[Route("/Dlna/{UuId}/connectionmanager/control", "POST", Summary = "Processes a control request")]
public class ProcessConnectionManagerControlRequest : IRequiresRequestStream
{
[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
public string UuId { get; set; }
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public Stream RequestStream { get; set; }
}
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[Route("/Dlna/{UuId}/mediareceiverregistrar/control", "POST", Summary = "Processes a control request")]
public class ProcessMediaReceiverRegistrarControlRequest : IRequiresRequestStream
{
[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "GET")]
public string UuId { get; set; }
public Stream RequestStream { get; set; }
}
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[Route("/Dlna/{UuId}/mediareceiverregistrar/events", "SUBSCRIBE", Summary = "Processes an event subscription request")]
[Route("/Dlna/{UuId}/mediareceiverregistrar/events", "UNSUBSCRIBE", Summary = "Processes an event subscription request")]
public class ProcessMediaReceiverRegistrarEventRequest
{
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[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "SUBSCRIBE,UNSUBSCRIBE")]
public string UuId { get; set; }
}
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[Route("/Dlna/{UuId}/contentdirectory/events", "SUBSCRIBE", Summary = "Processes an event subscription request")]
[Route("/Dlna/{UuId}/contentdirectory/events", "UNSUBSCRIBE", Summary = "Processes an event subscription request")]
public class ProcessContentDirectoryEventRequest
{
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[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "SUBSCRIBE,UNSUBSCRIBE")]
public string UuId { get; set; }
}
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[Route("/Dlna/{UuId}/connectionmanager/events", "SUBSCRIBE", Summary = "Processes an event subscription request")]
[Route("/Dlna/{UuId}/connectionmanager/events", "UNSUBSCRIBE", Summary = "Processes an event subscription request")]
public class ProcessConnectionManagerEventRequest
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{
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[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "path", Verb = "SUBSCRIBE,UNSUBSCRIBE")]
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public string UuId { get; set; }
}
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[Route("/Dlna/{UuId}/icons/{Filename}", "GET", Summary = "Gets a server icon")]
[Route("/Dlna/icons/{Filename}", "GET", Summary = "Gets a server icon")]
public class GetIcon
{
[ApiMember(Name = "UuId", Description = "Server UuId", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
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public string UuId { get; set; }
[ApiMember(Name = "Filename", Description = "The icon filename", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Filename { get; set; }
}
public class DlnaServerService : IService, IRequiresRequest
{
private const string XMLContentType = "text/xml; charset=UTF-8";
private readonly IDlnaManager _dlnaManager;
private readonly IHttpResultFactory _resultFactory;
private readonly IServerConfigurationManager _configurationManager;
public IRequest Request { get; set; }
private IContentDirectory ContentDirectory => DlnaEntryPoint.Current.ContentDirectory;
private IConnectionManager ConnectionManager => DlnaEntryPoint.Current.ConnectionManager;
private IMediaReceiverRegistrar MediaReceiverRegistrar => DlnaEntryPoint.Current.MediaReceiverRegistrar;
public DlnaServerService(
IDlnaManager dlnaManager,
IHttpResultFactory httpResultFactory,
IServerConfigurationManager configurationManager)
{
_dlnaManager = dlnaManager;
_resultFactory = httpResultFactory;
_configurationManager = configurationManager;
}
private string GetHeader(string name)
{
return Request.Headers[name];
}
public object Get(GetDescriptionXml request)
{
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var url = Request.AbsoluteUri;
var serverAddress = url.Substring(0, url.IndexOf("/dlna/", StringComparison.OrdinalIgnoreCase));
var xml = _dlnaManager.GetServerDescriptionXml(Request.Headers, request.UuId, serverAddress);
var cacheLength = TimeSpan.FromDays(1);
var cacheKey = Request.RawUrl.GetMD5();
var bytes = Encoding.UTF8.GetBytes(xml);
return _resultFactory.GetStaticResult(Request, cacheKey, null, cacheLength, XMLContentType, () => Task.FromResult<Stream>(new MemoryStream(bytes)));
}
public object Get(GetContentDirectory request)
{
var xml = ContentDirectory.GetServiceXml();
return _resultFactory.GetResult(Request, xml, XMLContentType);
}
public object Get(GetMediaReceiverRegistrar request)
{
var xml = MediaReceiverRegistrar.GetServiceXml();
return _resultFactory.GetResult(Request, xml, XMLContentType);
}
public object Get(GetConnnectionManager request)
{
var xml = ConnectionManager.GetServiceXml();
return _resultFactory.GetResult(Request, xml, XMLContentType);
}
public async Task<object> Post(ProcessMediaReceiverRegistrarControlRequest request)
{
var response = await PostAsync(request.RequestStream, MediaReceiverRegistrar).ConfigureAwait(false);
return _resultFactory.GetResult(Request, response.Xml, XMLContentType);
}
public async Task<object> Post(ProcessContentDirectoryControlRequest request)
{
var response = await PostAsync(request.RequestStream, ContentDirectory).ConfigureAwait(false);
return _resultFactory.GetResult(Request, response.Xml, XMLContentType);
}
public async Task<object> Post(ProcessConnectionManagerControlRequest request)
{
var response = await PostAsync(request.RequestStream, ConnectionManager).ConfigureAwait(false);
return _resultFactory.GetResult(Request, response.Xml, XMLContentType);
}
private Task<ControlResponse> PostAsync(Stream requestStream, IUpnpService service)
{
var id = GetPathValue(2).ToString();
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return service.ProcessControlRequestAsync(new ControlRequest
{
Headers = Request.Headers,
InputXml = requestStream,
TargetServerUuId = id,
RequestedUrl = Request.AbsoluteUri
});
}
// Copied from MediaBrowser.Api/BaseApiService.cs
// TODO: Remove code duplication
/// <summary>
/// Gets the path segment at the specified index.
/// </summary>
/// <param name="index">The index of the path segment.</param>
/// <returns>The path segment at the specified index.</returns>
/// <exception cref="IndexOutOfRangeException" >Path doesn't contain enough segments.</exception>
/// <exception cref="InvalidDataException" >Path doesn't start with the base url.</exception>
protected internal ReadOnlySpan<char> GetPathValue(int index)
{
static void ThrowIndexOutOfRangeException()
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=> throw new IndexOutOfRangeException("Path doesn't contain enough segments.");
static void ThrowInvalidDataException()
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=> throw new InvalidDataException("Path doesn't start with the base url.");
ReadOnlySpan<char> path = Request.PathInfo;
// Remove the protocol part from the url
int pos = path.LastIndexOf("://");
if (pos != -1)
{
path = path.Slice(pos + 3);
}
// Remove the query string
pos = path.LastIndexOf('?');
if (pos != -1)
{
path = path.Slice(0, pos);
}
// Remove the domain
pos = path.IndexOf('/');
if (pos != -1)
{
path = path.Slice(pos);
}
// Remove base url
string baseUrl = _configurationManager.Configuration.BaseUrl;
int baseUrlLen = baseUrl.Length;
if (baseUrlLen != 0)
{
if (path.StartsWith(baseUrl, StringComparison.OrdinalIgnoreCase))
{
path = path.Slice(baseUrlLen);
}
else
{
// The path doesn't start with the base url,
// how did we get here?
ThrowInvalidDataException();
}
}
// Remove leading /
path = path.Slice(1);
// Backwards compatibility
const string Emby = "emby/";
if (path.StartsWith(Emby, StringComparison.OrdinalIgnoreCase))
{
path = path.Slice(Emby.Length);
}
const string MediaBrowser = "mediabrowser/";
if (path.StartsWith(MediaBrowser, StringComparison.OrdinalIgnoreCase))
{
path = path.Slice(MediaBrowser.Length);
}
// Skip segments until we are at the right index
for (int i = 0; i < index; i++)
{
pos = path.IndexOf('/');
if (pos == -1)
{
ThrowIndexOutOfRangeException();
}
path = path.Slice(pos + 1);
}
// Remove the rest
pos = path.IndexOf('/');
if (pos != -1)
{
path = path.Slice(0, pos);
}
return path;
}
public object Get(GetIcon request)
{
var contentType = "image/" + Path.GetExtension(request.Filename)
.TrimStart('.')
.ToLowerInvariant();
var cacheLength = TimeSpan.FromDays(365);
var cacheKey = Request.RawUrl.GetMD5();
return _resultFactory.GetStaticResult(Request, cacheKey, null, cacheLength, contentType, () => Task.FromResult(_dlnaManager.GetIcon(request.Filename).Stream));
}
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public object Subscribe(ProcessContentDirectoryEventRequest request)
{
return ProcessEventRequest(ContentDirectory);
}
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public object Subscribe(ProcessConnectionManagerEventRequest request)
{
return ProcessEventRequest(ConnectionManager);
}
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public object Subscribe(ProcessMediaReceiverRegistrarEventRequest request)
{
return ProcessEventRequest(MediaReceiverRegistrar);
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}
public object Unsubscribe(ProcessContentDirectoryEventRequest request)
{
return ProcessEventRequest(ContentDirectory);
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}
public object Unsubscribe(ProcessConnectionManagerEventRequest request)
{
return ProcessEventRequest(ConnectionManager);
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}
public object Unsubscribe(ProcessMediaReceiverRegistrarEventRequest request)
{
return ProcessEventRequest(MediaReceiverRegistrar);
}
private object ProcessEventRequest(IEventManager eventManager)
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{
var subscriptionId = GetHeader("SID");
if (string.Equals(Request.Verb, "SUBSCRIBE", StringComparison.OrdinalIgnoreCase))
{
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var notificationType = GetHeader("NT");
var callback = GetHeader("CALLBACK");
var timeoutString = GetHeader("TIMEOUT");
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if (string.IsNullOrEmpty(notificationType))
{
return GetSubscriptionResponse(eventManager.RenewEventSubscription(subscriptionId, notificationType, timeoutString, callback));
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}
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return GetSubscriptionResponse(eventManager.CreateEventSubscription(notificationType, timeoutString, callback));
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}
return GetSubscriptionResponse(eventManager.CancelEventSubscription(subscriptionId));
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}
private object GetSubscriptionResponse(EventSubscriptionResponse response)
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{
return _resultFactory.GetResult(Request, response.Content, response.ContentType, response.Headers);
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}
}
}