Set UserAgent when getting M3u playlist

Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs

@@ -65,7 +65,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         {
             var channelIdPrefix = GetFullChannelIdPrefix(info);
 
-            return await new M3uParser(Logger, _httpClientFactory, _appHost).Parse(info.Url, channelIdPrefix, info.Id, cancellationToken).ConfigureAwait(false);
+            return await new M3uParser(Logger, _httpClientFactory, _appHost)
+                .Parse(info, channelIdPrefix, cancellationToken)
+                .ConfigureAwait(false);
         }
 
         public Task<List<LiveTvTunerInfo>> GetTunerInfos(CancellationToken cancellationToken)
@@ -126,7 +128,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         public async Task Validate(TunerHostInfo info)
         {
-            using (var stream = await new M3uParser(Logger, _httpClientFactory, _appHost).GetListingsStream(info.Url, CancellationToken.None).ConfigureAwait(false))
+            using (var stream = await new M3uParser(Logger, _httpClientFactory, _appHost).GetListingsStream(info, CancellationToken.None).ConfigureAwait(false))
             {
             }
         }

Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs

@@ -13,6 +13,7 @@ using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Model.LiveTv;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.LiveTv.TunerHosts
@@ -30,12 +31,12 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             _appHost = appHost;
         }
 
-        public async Task<List<ChannelInfo>> Parse(string url, string channelIdPrefix, string tunerHostId, CancellationToken cancellationToken)
+        public async Task<List<ChannelInfo>> Parse(TunerHostInfo info, string channelIdPrefix, CancellationToken cancellationToken)
         {
             // Read the file and display it line by line.
-            using (var reader = new StreamReader(await GetListingsStream(url, cancellationToken).ConfigureAwait(false)))
+            using (var reader = new StreamReader(await GetListingsStream(info, cancellationToken).ConfigureAwait(false)))
             {
-                return GetChannels(reader, channelIdPrefix, tunerHostId);
+                return GetChannels(reader, channelIdPrefix, info.Id);
             }
         }
 
@@ -48,15 +49,24 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             }
         }
 
-        public Task<Stream> GetListingsStream(string url, CancellationToken cancellationToken)
+        public async Task<Stream> GetListingsStream(TunerHostInfo info, CancellationToken cancellationToken)
         {
-            if (url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
+            if (info.Url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
             {
-                return _httpClientFactory.CreateClient(NamedClient.Default)
-                    .GetStreamAsync(url);
+                using var requestMessage = new HttpRequestMessage(HttpMethod.Get, info.Url);
+                if (!string.IsNullOrEmpty(info.UserAgent))
+                {
+                    requestMessage.Headers.UserAgent.TryParseAdd(info.UserAgent);
+                }
+
+                var response = await _httpClientFactory.CreateClient(NamedClient.Default)
+                    .SendAsync(requestMessage, cancellationToken)
+                    .ConfigureAwait(false);
+                response.EnsureSuccessStatusCode();
+                return await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
             }
 
-            return Task.FromResult((Stream)File.OpenRead(url));
+            return File.OpenRead(info.Url);
         }
 
         private const string ExtInfPrefix = "#EXTINF:";