using System.Security; using MediaBrowser.Controller.Configuration; using MediaBrowser.Controller.Dlna; using MediaBrowser.Dlna.Server; using MediaBrowser.Model.Logging; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml; namespace MediaBrowser.Dlna.Service { public abstract class BaseControlHandler { private const string NS_SOAPENV = "http://schemas.xmlsoap.org/soap/envelope/"; protected readonly IServerConfigurationManager Config; protected readonly ILogger Logger; protected BaseControlHandler(IServerConfigurationManager config, ILogger logger) { Config = config; Logger = logger; } public ControlResponse ProcessControlRequest(ControlRequest request) { try { if (Config.GetDlnaConfiguration().EnableDebugLogging) { LogRequest(request); } return ProcessControlRequestInternal(request); } catch (Exception ex) { Logger.ErrorException("Error processing control request", ex); return new ControlErrorHandler().GetResponse(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()); } Logger.Debug("Received control request {0}", method.LocalName); var result = GetResult(method.LocalName, sparams); var env = new XmlDocument(); env.AppendChild(env.CreateXmlDeclaration("1.0", "utf-8", string.Empty)); 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 xml = env.OuterXml.Replace("xmlns:m=", "xmlns:u="); var controlResponse = new ControlResponse { Xml = xml, IsSuccessful = true }; //Logger.Debug(xml); controlResponse.Headers.Add("EXT", string.Empty); return controlResponse; } protected abstract IEnumerable> GetResult(string methodName, Headers methodParams); private void LogRequest(ControlRequest request) { var builder = new StringBuilder(); var headers = string.Join(", ", request.Headers.Select(i => string.Format("{0}={1}", i.Key, i.Value)).ToArray()); builder.AppendFormat("Headers: {0}", headers); builder.AppendLine(); builder.Append(request.InputXml); Logger.LogMultiline("Control request", LogSeverity.Debug, builder); } } }