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137 lines
4.4 KiB
C#
137 lines
4.4 KiB
C#
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Dlna;
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using MediaBrowser.Dlna.Server;
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using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Xml;
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namespace MediaBrowser.Dlna.Service
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{
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public abstract class BaseControlHandler
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{
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private const string NS_SOAPENV = "http://schemas.xmlsoap.org/soap/envelope/";
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protected readonly IServerConfigurationManager Config;
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protected readonly ILogger Logger;
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protected BaseControlHandler(IServerConfigurationManager config, ILogger logger)
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{
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Config = config;
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Logger = logger;
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}
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public ControlResponse ProcessControlRequest(ControlRequest request)
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{
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try
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{
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var enableDebugLogging = Config.GetDlnaConfiguration().EnableDebugLogging;
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if (enableDebugLogging)
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{
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LogRequest(request);
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}
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var response = ProcessControlRequestInternal(request);
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if (enableDebugLogging)
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{
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LogResponse(response);
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}
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return response;
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error processing control request", ex);
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return new ControlErrorHandler().GetResponse(ex);
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}
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}
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private ControlResponse ProcessControlRequestInternal(ControlRequest request)
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{
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var soap = new XmlDocument();
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soap.LoadXml(request.InputXml);
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var sparams = new Headers();
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var body = soap.GetElementsByTagName("Body", NS_SOAPENV).Item(0);
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var method = body.FirstChild;
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foreach (var p in method.ChildNodes)
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{
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var e = p as XmlElement;
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if (e == null)
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{
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continue;
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}
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sparams.Add(e.LocalName, e.InnerText.Trim());
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}
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Logger.Debug("Received control request {0}", method.LocalName);
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var result = GetResult(method.LocalName, sparams);
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var env = new XmlDocument();
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env.AppendChild(env.CreateXmlDeclaration("1.0", "utf-8", string.Empty));
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var envelope = env.CreateElement("SOAP-ENV", "Envelope", NS_SOAPENV);
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env.AppendChild(envelope);
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envelope.SetAttribute("encodingStyle", NS_SOAPENV, "http://schemas.xmlsoap.org/soap/encoding/");
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var rbody = env.CreateElement("SOAP-ENV:Body", NS_SOAPENV);
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env.DocumentElement.AppendChild(rbody);
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var response = env.CreateElement(String.Format("u:{0}Response", method.LocalName), method.NamespaceURI);
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rbody.AppendChild(response);
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foreach (var i in result)
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{
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var ri = env.CreateElement(i.Key);
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ri.InnerText = i.Value;
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response.AppendChild(ri);
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}
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var xml = env.OuterXml.Replace("xmlns:m=", "xmlns:u=");
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var controlResponse = new ControlResponse
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{
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Xml = xml,
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IsSuccessful = true
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};
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//Logger.Debug(xml);
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controlResponse.Headers.Add("EXT", string.Empty);
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return controlResponse;
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}
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protected abstract IEnumerable<KeyValuePair<string, string>> GetResult(string methodName, Headers methodParams);
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private void LogRequest(ControlRequest request)
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{
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var builder = new StringBuilder();
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var headers = string.Join(", ", request.Headers.Select(i => string.Format("{0}={1}", i.Key, i.Value)).ToArray());
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builder.AppendFormat("Headers: {0}", headers);
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builder.AppendLine();
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builder.Append(request.InputXml);
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Logger.LogMultiline("Control request", LogSeverity.Debug, builder);
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}
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private void LogResponse(ControlResponse response)
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{
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var builder = new StringBuilder();
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var headers = string.Join(", ", response.Headers.Select(i => string.Format("{0}={1}", i.Key, i.Value)).ToArray());
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builder.AppendFormat("Headers: {0}", headers);
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builder.AppendLine();
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builder.Append(response.Xml);
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Logger.LogMultiline("Control response", LogSeverity.Debug, builder);
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}
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}
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}
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