From 6b921d37f0133605764a74340555a1f9e61f3e4a Mon Sep 17 00:00:00 2001
From: Greg D <gdivis@inedo.com>
Date: Thu, 10 Jan 2019 23:35:23 -0500
Subject: [PATCH] Explicitly set Content-Length on package upload when
 possible. Fixes #15

---
 src/Inedo.UPack/Net/DefaultApiTransport.cs | 7 ++++++-
 src/Inedo.UPack/Net/UniversalFeedClient.cs | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Inedo.UPack/Net/DefaultApiTransport.cs b/src/Inedo.UPack/Net/DefaultApiTransport.cs
index 9d40f02..be04078 100644
--- a/src/Inedo.UPack/Net/DefaultApiTransport.cs
+++ b/src/Inedo.UPack/Net/DefaultApiTransport.cs
@@ -41,7 +41,12 @@ public override async Task<ApiResponse> GetResponseAsync(ApiRequest request, Can
 
             if (request.RequestBody != null)
             {
-                webRequest.AllowWriteStreamBuffering = false;
+                if (request.RequestBody.CanSeek)
+                {
+                    webRequest.AllowWriteStreamBuffering = false;
+                    webRequest.ContentLength = request.RequestBody.Length - request.RequestBody.Position;
+                }
+
                 using (var requestStream = await webRequest.GetRequestStreamAsync().ConfigureAwait(false))
                 {
                     await request.RequestBody.CopyToAsync(requestStream, 81920, cancellationToken).ConfigureAwait(false);
diff --git a/src/Inedo.UPack/Net/UniversalFeedClient.cs b/src/Inedo.UPack/Net/UniversalFeedClient.cs
index b2611fd..e36dad0 100644
--- a/src/Inedo.UPack/Net/UniversalFeedClient.cs
+++ b/src/Inedo.UPack/Net/UniversalFeedClient.cs
@@ -345,7 +345,7 @@ public async Task<Stream> GetPackageFileStreamAsync(UniversalPackageId id, Unive
         /// <summary>
         /// Uploads the package in the specified stream to the feed.
         /// </summary>
-        /// <param name="stream">Stream containg a universal package.</param>
+        /// <param name="stream">Stream containing a universal package.</param>
         /// <param name="cancellationToken">Cancellation token for asynchronous operations.</param>
         /// <exception cref="ArgumentNullException"><paramref name="stream"/> is null.</exception>
         public async Task UploadPackageAsync(Stream stream, CancellationToken cancellationToken)