Applies http-timeout to download stream

Author: benbierens

ProjectPlugins/CodexPlugin/CodexNode.cs

@@ -264,10 +264,27 @@ private string[] GetPeerMultiAddresses(CodexNode peer, DebugInfo peerInfo)
         private void DownloadToFile(string contentId, TrackedFile file, Action<Failure> onFailure)
         {
             using var fileStream = File.OpenWrite(file.Filename);
+            var timeout = tools.TimeSet.HttpCallTimeout();
             try
             {
-                using var downloadStream = CodexAccess.DownloadFile(contentId, onFailure);
-                downloadStream.CopyTo(fileStream);
+                // Type of stream generated by openAPI client does not support timeouts.
+                var start = DateTime.UtcNow;
+                var cts = new CancellationTokenSource();
+                var downloadTask = Task.Run(() =>
+                {
+                    using var downloadStream = CodexAccess.DownloadFile(contentId, onFailure);
+                    downloadStream.CopyTo(fileStream);
+                }, cts.Token);
+                
+                while (DateTime.UtcNow - start < timeout)
+                {
+                    if (downloadTask.IsFaulted) throw downloadTask.Exception;
+                    if (downloadTask.IsCompletedSuccessfully) return;
+                    Thread.Sleep(100);
+                }
+
+                cts.Cancel();
+                throw new TimeoutException($"Download of '{contentId}' timed out after {Time.FormatDuration(timeout)}");
             }
             catch
             {