Merge pull request #38 from danielwhite/remove-origin-header

Do not send 'Origin' header in handshake

Author: jeremyong

src/websocket_client.erl

@@ -122,12 +122,11 @@ ws_client_init(Handler, Protocol, Host, Port, Path, Args, Opts) ->
 %% @doc Send http upgrade request and validate handshake response challenge
 -spec websocket_handshake(WSReq :: websocket_req:req(), [{string(), string()}]) -> {ok, binary()} | {error, term()}.
 websocket_handshake(WSReq, ExtraHeaders) ->
-    [Protocol, Path, Host, Key, Transport, Socket] =
-        websocket_req:get([protocol, path, host, key, transport, socket], WSReq),
+    [Path, Host, Key, Transport, Socket] =
+        websocket_req:get([path, host, key, transport, socket], WSReq),
     Handshake = ["GET ", Path, " HTTP/1.1\r\n"
                  "Host: ", Host, "\r\n"
                  "Connection: Upgrade\r\n"
-                 "Origin: ", atom_to_binary(Protocol, utf8), "://", Host, "\r\n"
                  "Sec-WebSocket-Version: 13\r\n"
                  "Sec-WebSocket-Key: ", Key, "\r\n"
                  "Upgrade: websocket\r\n",