Add FollowRedirects option to downloader

Introduces a FollowRedirects property to UnitDownloaderOptions and its builder, allowing control over HTTP redirect behavior. Updates UnitDownloader to use this option, following redirects when enabled and reporting progress accordingly.
2025-11-16 01:11:22 +11:00
parent 6f37d217db
commit 580ceb8c3c
3 changed files with 20 additions and 2 deletions
@@ -25,8 +25,17 @@ namespace Beam.Downloaders {

        protected virtual async Task DownloadToStream(string url, int bufferSize, Stream destinationStream, IProgress<IDownloadReport> progress,
            CancellationToken ct) {
-
-            var stream = await Client.GetStreamAsync(url, ct);
+            if (options.FollowRedirects) {
+                var response = await Client.GetAsync(url, ct); // automatically follows redirects
+                await response.Content.CopyToAsync(destinationStream, ct);
+                progress?.Report(new DownloadReport() {
+                    BytesDownloaded = destinationStream.Length,
+                    BytesRemaining = 0
+                });
+                return;
+            }
+            
+            var stream = await Client.GetStreamAsync(url, ct); // does not follow redirects
            byte[] buffer = new byte[bufferSize];
            int inBuffer = 0;
            long downloaded = 0;