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Diffstat (limited to 'Mono.Nat/Upnp/UpnpNatDevice.cs')
| -rw-r--r-- | Mono.Nat/Upnp/UpnpNatDevice.cs | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/Mono.Nat/Upnp/UpnpNatDevice.cs b/Mono.Nat/Upnp/UpnpNatDevice.cs deleted file mode 100644 index 3ff1eeb90..000000000 --- a/Mono.Nat/Upnp/UpnpNatDevice.cs +++ /dev/null @@ -1,267 +0,0 @@ -// -// Authors: -// Alan McGovern alan.mcgovern@gmail.com -// Ben Motmans <ben.motmans@gmail.com> -// -// Copyright (C) 2006 Alan McGovern -// Copyright (C) 2007 Ben Motmans -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to -// permit persons to whom the Software is furnished to do so, subject to -// the following conditions: -// -// The above copyright notice and this permission notice shall be -// included in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE -// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION -// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -// - -using System; -using System.Net; -using System.Xml; -using System.Text; -using System.Threading.Tasks; -using MediaBrowser.Common.Net; -using Microsoft.Extensions.Logging; -using MediaBrowser.Model.Dlna; - -namespace Mono.Nat.Upnp -{ - public sealed class UpnpNatDevice : AbstractNatDevice, IEquatable<UpnpNatDevice> - { - private EndPoint hostEndPoint; - private IPAddress localAddress; - private string serviceDescriptionUrl; - private string controlUrl; - private string serviceType; - private readonly ILogger _logger; - private readonly IHttpClient _httpClient; - - public override IPAddress LocalAddress - { - get { return localAddress; } - } - - internal UpnpNatDevice(IPAddress localAddress, UpnpDeviceInfo deviceInfo, IPEndPoint hostEndPoint, string serviceType, ILogger logger, IHttpClient httpClient) - { - if (localAddress == null) - { - throw new ArgumentNullException(nameof(localAddress)); - } - - this.LastSeen = DateTime.Now; - this.localAddress = localAddress; - - // Split the string at the "location" section so i can extract the ipaddress and service description url - string locationDetails = deviceInfo.Location.ToString(); - this.serviceType = serviceType; - _logger = logger; - _httpClient = httpClient; - - // Make sure we have no excess whitespace - locationDetails = locationDetails.Trim(); - - // FIXME: Is this reliable enough. What if we get a hostname as opposed to a proper http address - // Are we going to get addresses with the "http://" attached? - if (locationDetails.StartsWith("http://", StringComparison.OrdinalIgnoreCase)) - { - _logger.LogDebug("Found device at: {0}", locationDetails); - // This bit strings out the "http://" from the string - locationDetails = locationDetails.Substring(7); - - this.hostEndPoint = hostEndPoint; - - // The service description URL is the remainder of the "locationDetails" string. The bit that was originally after the ip - // and port information - this.serviceDescriptionUrl = locationDetails.Substring(locationDetails.IndexOf('/')); - } - else - { - _logger.LogDebug("Couldn't decode address. Please send following string to the developer: "); - } - } - - public async Task GetServicesList() - { - // Create a HTTPWebRequest to download the list of services the device offers - var message = new GetServicesMessage(this.serviceDescriptionUrl, this.hostEndPoint); - - using (var response = await _httpClient.SendAsync(message.Encode(), message.Method).ConfigureAwait(false)) - { - OnServicesReceived(response); - } - } - - private void OnServicesReceived(HttpResponseInfo response) - { - int abortCount = 0; - int bytesRead = 0; - byte[] buffer = new byte[10240]; - var servicesXml = new StringBuilder(); - var xmldoc = new XmlDocument(); - - using (var s = response.Content) - { - if (response.StatusCode != HttpStatusCode.OK) - { - _logger.LogDebug("{0}: Couldn't get services list: {1}", HostEndPoint, response.StatusCode); - return; // FIXME: This the best thing to do?? - } - - while (true) - { - bytesRead = s.Read(buffer, 0, buffer.Length); - servicesXml.Append(Encoding.UTF8.GetString(buffer, 0, bytesRead)); - try - { - xmldoc.LoadXml(servicesXml.ToString()); - break; - } - catch (XmlException) - { - // If we can't receive the entire XML within 500ms, then drop the connection - // Unfortunately not all routers supply a valid ContentLength (mine doesn't) - // so this hack is needed to keep testing our recieved data until it gets successfully - // parsed by the xmldoc. Without this, the code will never pick up my router. - if (abortCount++ > 50) - { - return; - } - _logger.LogDebug("{0}: Couldn't parse services list", HostEndPoint); - System.Threading.Thread.Sleep(10); - } - } - - var ns = new XmlNamespaceManager(xmldoc.NameTable); - ns.AddNamespace("ns", "urn:schemas-upnp-org:device-1-0"); - XmlNodeList nodes = xmldoc.SelectNodes("//*/ns:serviceList", ns); - - foreach (XmlNode node in nodes) - { - //Go through each service there - foreach (XmlNode service in node.ChildNodes) - { - //If the service is a WANIPConnection, then we have what we want - string type = service["serviceType"].InnerText; - _logger.LogDebug("{0}: Found service: {1}", HostEndPoint, type); - - // TODO: Add support for version 2 of UPnP. - if (string.Equals(type, "urn:schemas-upnp-org:service:WANPPPConnection:1", StringComparison.OrdinalIgnoreCase) || - string.Equals(type, "urn:schemas-upnp-org:service:WANIPConnection:1", StringComparison.OrdinalIgnoreCase)) - { - this.controlUrl = service["controlURL"].InnerText; - _logger.LogDebug("{0}: Found upnp service at: {1}", HostEndPoint, controlUrl); - - Uri u; - if (Uri.TryCreate(controlUrl, UriKind.RelativeOrAbsolute, out u)) - { - if (u.IsAbsoluteUri) - { - var old = hostEndPoint; - IPAddress parsedHostIpAddress; - if (IPAddress.TryParse(u.Host, out parsedHostIpAddress)) - { - this.hostEndPoint = new IPEndPoint(parsedHostIpAddress, u.Port); - //_logger.LogDebug("{0}: Absolute URI detected. Host address is now: {1}", old, HostEndPoint); - this.controlUrl = controlUrl.Substring(u.GetLeftPart(UriPartial.Authority).Length); - //_logger.LogDebug("{0}: New control url: {1}", HostEndPoint, controlUrl); - } - } - } - else - { - _logger.LogDebug("{0}: Assuming control Uri is relative: {1}", HostEndPoint, controlUrl); - } - return; - } - } - } - - //If we get here, it means that we didn't get WANIPConnection service, which means no uPnP forwarding - //So we don't invoke the callback, so this device is never added to our lists - } - } - - /// <summary> - /// The EndPoint that the device is at - /// </summary> - internal EndPoint HostEndPoint - { - get { return this.hostEndPoint; } - } - - /// <summary> - /// The relative url of the xml file that describes the list of services is at - /// </summary> - internal string ServiceDescriptionUrl - { - get { return this.serviceDescriptionUrl; } - } - - /// <summary> - /// The relative url that we can use to control the port forwarding - /// </summary> - internal string ControlUrl - { - get { return this.controlUrl; } - } - - /// <summary> - /// The service type we're using on the device - /// </summary> - public string ServiceType - { - get { return serviceType; } - } - - public override async Task CreatePortMap(Mapping mapping) - { - var message = new CreatePortMappingMessage(mapping, localAddress, this); - using (await _httpClient.SendAsync(message.Encode(), message.Method).ConfigureAwait(false)) - { - - } - } - - public override bool Equals(object obj) - { - var device = obj as UpnpNatDevice; - return (device == null) ? false : this.Equals((device)); - } - - - public bool Equals(UpnpNatDevice other) - { - return (other == null) ? false : (this.hostEndPoint.Equals(other.hostEndPoint) - //&& this.controlUrl == other.controlUrl - && this.serviceDescriptionUrl == other.serviceDescriptionUrl); - } - - public override int GetHashCode() - { - return (this.hostEndPoint.GetHashCode() ^ this.controlUrl.GetHashCode() ^ this.serviceDescriptionUrl.GetHashCode()); - } - - /// <summary> - /// Overridden. - /// </summary> - /// <returns></returns> - public override string ToString() - { - //GetExternalIP is blocking and can throw exceptions, can't use it here. - return String.Format( - "UpnpNatDevice - EndPoint: {0}, External IP: {1}, Control Url: {2}, Service Description Url: {3}, Service Type: {4}, Last Seen: {5}", - this.hostEndPoint, "Manually Check" /*this.GetExternalIP()*/, this.controlUrl, this.serviceDescriptionUrl, this.serviceType, this.LastSeen); - } - } -} |