added streaming download of payloads http client Post (#824)

* added streaming download of payloads in cpr client ::Post
* curlclient Post streaming download
* case sensitivity fixes for http headers
* move over missing functionality from crpclient to httpclient

1 files changed, 14 insertions, 6 deletions

diff --git a/src/zenhttp/packageformat.cpp b/src/zenhttp/packageformat.cpp
index cbfe4d889..9c62c1f2d 100644
--- a/src/zenhttp/packageformat.cpp
+++ b/src/zenhttp/packageformat.cpp
@@ -575,13 +575,21 @@ ParsePackageMessage(IoBuffer Payload, std::function<IoBuffer(const IoHash&, uint
 			}
 			else if (AttachmentSize > 0)
 			{
-				// Make a copy of the buffer so the attachments don't reference the entire payload
-				IoBuffer AttachmentBufferCopy = CreateBuffer(Entry.AttachmentHash, AttachmentSize);
-				ZEN_ASSERT(AttachmentBufferCopy);
-				ZEN_ASSERT(AttachmentBufferCopy.Size() == AttachmentSize);
-				AttachmentBufferCopy.GetMutableView().CopyFrom(AttachmentBuffer.GetView());
+				IoBufferFileReference TestIfFileRef;
+				if (AttachmentBuffer.GetFileReference(TestIfFileRef))
+				{
+					Attachments.emplace_back(CbAttachment(SharedBuffer{std::move(AttachmentBuffer)}, Entry.AttachmentHash));
+				}
+				else
+				{
+					// Make a copy of the buffer so the attachments don't reference the entire payload
+					IoBuffer AttachmentBufferCopy = CreateBuffer(Entry.AttachmentHash, AttachmentSize);
+					ZEN_ASSERT(AttachmentBufferCopy);
+					ZEN_ASSERT(AttachmentBufferCopy.Size() == AttachmentSize);
+					AttachmentBufferCopy.GetMutableView().CopyFrom(AttachmentBuffer.GetView());
 
-				Attachments.emplace_back(CbAttachment(SharedBuffer{AttachmentBufferCopy}, Entry.AttachmentHash));
+					Attachments.emplace_back(CbAttachment(SharedBuffer{AttachmentBufferCopy}, Entry.AttachmentHash));
+				}
 			}
 			else
 			{