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#pragma warning disable CS1591
using System;
using System.Globalization;
using System.IO;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Xml.Linq;
using Emby.Dlna.Common;
using MediaBrowser.Common.Net;
namespace Emby.Dlna.PlayTo
{
public class SsdpHttpClient
{
private const string USERAGENT = "Microsoft-Windows/6.2 UPnP/1.0 Microsoft-DLNA DLNADOC/1.50";
private const string FriendlyName = "Jellyfin";
private readonly CultureInfo _usCulture = new CultureInfo("en-US");
private readonly IHttpClient _httpClient;
public SsdpHttpClient(IHttpClient httpClient)
{
_httpClient = httpClient;
}
public async Task<XDocument> SendCommandAsync(
string baseUrl,
DeviceService service,
string command,
string postData,
bool logRequest = true,
string header = null)
{
var cancellationToken = CancellationToken.None;
var url = NormalizeServiceUrl(baseUrl, service.ControlUrl);
using (var response = await PostSoapDataAsync(
url,
$"\"{service.ServiceType}#{command}\"",
postData,
header,
logRequest,
cancellationToken)
.ConfigureAwait(false))
using (var stream = response.Content)
using (var reader = new StreamReader(stream, Encoding.UTF8))
{
return XDocument.Parse(
await reader.ReadToEndAsync().ConfigureAwait(false),
LoadOptions.PreserveWhitespace);
}
}
private static string NormalizeServiceUrl(string baseUrl, string serviceUrl)
{
// If it's already a complete url, don't stick anything onto the front of it
if (serviceUrl.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
return serviceUrl;
}
if (!serviceUrl.StartsWith("/"))
{
serviceUrl = "/" + serviceUrl;
}
return baseUrl + serviceUrl;
}
public async Task SubscribeAsync(
string url,
string ip,
int port,
string localIp,
int eventport,
int timeOut = 3600)
{
var options = new HttpRequestOptions
{
Url = url,
UserAgent = USERAGENT,
LogErrorResponseBody = true,
BufferContent = false,
};
options.RequestHeaders["HOST"] = ip + ":" + port.ToString(_usCulture);
options.RequestHeaders["CALLBACK"] = "<" + localIp + ":" + eventport.ToString(_usCulture) + ">";
options.RequestHeaders["NT"] = "upnp:event";
options.RequestHeaders["TIMEOUT"] = "Second-" + timeOut.ToString(_usCulture);
using (await _httpClient.SendAsync(options, new HttpMethod("SUBSCRIBE")).ConfigureAwait(false))
{
}
}
public async Task<XDocument> GetDataAsync(string url, CancellationToken cancellationToken)
{
var options = new HttpRequestOptions
{
Url = url,
UserAgent = USERAGENT,
LogErrorResponseBody = true,
BufferContent = false,
CancellationToken = cancellationToken
};
options.RequestHeaders["FriendlyName.DLNA.ORG"] = FriendlyName;
using (var response = await _httpClient.SendAsync(options, HttpMethod.Get).ConfigureAwait(false))
using (var stream = response.Content)
using (var reader = new StreamReader(stream, Encoding.UTF8))
{
return XDocument.Parse(
await reader.ReadToEndAsync().ConfigureAwait(false),
LoadOptions.PreserveWhitespace);
}
}
private Task<HttpResponseInfo> PostSoapDataAsync(
string url,
string soapAction,
string postData,
string header,
bool logRequest,
CancellationToken cancellationToken)
{
if (soapAction[0] != '\"')
{
soapAction = $"\"{soapAction}\"";
}
var options = new HttpRequestOptions
{
Url = url,
UserAgent = USERAGENT,
LogErrorResponseBody = true,
BufferContent = false,
CancellationToken = cancellationToken
};
options.RequestHeaders["SOAPAction"] = soapAction;
options.RequestHeaders["Pragma"] = "no-cache";
options.RequestHeaders["FriendlyName.DLNA.ORG"] = FriendlyName;
if (!string.IsNullOrEmpty(header))
{
options.RequestHeaders["contentFeatures.dlna.org"] = header;
}
options.RequestContentType = "text/xml";
options.RequestContent = postData;
return _httpClient.Post(options);
}
}
}
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