Set an origin header in websocket and http clients (#455)

Author: bsergean

ixwebsocket/IXHttpClient.cpp

@@ -209,6 +209,12 @@ namespace ix
             ss << "User-Agent: " << userAgent() << "\r\n";
         }
 
+        // Set an origin header if missing
+        if (args->extraHeaders.find("Origin") == args->extraHeaders.end())
+        {
+            ss << "Origin: " << protocol << "://" << host << ":" << port << "\r\n";
+        }
+
         if (verb == kPost || verb == kPut || verb == kPatch || _forceBody)
         {
             // Set request compression header

ixwebsocket/IXWebSocketHandshake.cpp

@@ -87,6 +87,7 @@ namespace ix
     WebSocketInitResult WebSocketHandshake::clientHandshake(
         const std::string& url,
         const WebSocketHttpHeaders& extraHeaders,
+        const std::string& protocol,
         const std::string& host,
         const std::string& path,
         int port,
@@ -125,6 +126,12 @@ namespace ix
             ss << "User-Agent: " << userAgent() << "\r\n";
         }
 
+        // Set an origin header if missing
+        if (extraHeaders.find("Origin") == extraHeaders.end())
+        {
+            ss << "Origin: " << protocol << "://" << host << ":" << port << "\r\n";
+        }
+
         for (auto& it : extraHeaders)
         {
             ss << it.first << ": " << it.second << "\r\n";

ixwebsocket/IXWebSocketHandshake.h

@@ -31,6 +31,7 @@ namespace ix
 
         WebSocketInitResult clientHandshake(const std::string& url,
                                             const WebSocketHttpHeaders& extraHeaders,
+                                            const std::string& protocol,
                                             const std::string& host,
                                             const std::string& path,
                                             int port,

ixwebsocket/IXWebSocketTransport.cpp

@@ -140,7 +140,7 @@ namespace ix
                                                   _enablePerMessageDeflate);
 
             result = webSocketHandshake.clientHandshake(
-                remoteUrl, headers, host, path, port, timeoutSecs);
+                remoteUrl, headers, protocol, host, path, port, timeoutSecs);
 
             if (result.http_status >= 300 && result.http_status < 400)
             {