From ad07f3c66510696849bcbc77831e138978c942f8 Mon Sep 17 00:00:00 2001
From: Martin Becker <becker@informatik.uni-wuerzburg.de>
Date: Tue, 18 Jul 2017 12:37:04 +0200
Subject: [PATCH] Allow to disable "Origin" header

The origin header often makes trouble with current WebSocket implementations. Thus, we introduce the WEBSOCKET_HEADERS_NO_ORIGIN macro which disables this header it if defined.
---
 src/WebSocketsClient.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/WebSocketsClient.cpp b/src/WebSocketsClient.cpp
index 819af0e..1dfcfba 100644
--- a/src/WebSocketsClient.cpp
+++ b/src/WebSocketsClient.cpp
@@ -479,8 +479,12 @@ void WebSocketsClient::sendHeader(WSclient_t * client) {
 		handshake += WEBSOCKETS_STRING("Connection: keep-alive\r\n");
 	}
 
-	handshake += WEBSOCKETS_STRING("Origin: file://\r\n"
-			"User-Agent: arduino-WebSocket-Client\r\n");
+#ifndef WEBSOCKET_HEADERS_NO_ORIGIN
+	// add origin header if requested
+	handshake += WEBSOCKETS_STRING("Origin: file://\r\n");
+#endif
+	
+	handshake += WEBSOCKETS_STRING("User-Agent: arduino-WebSocket-Client\r\n");
 
 	if(client->base64Authorization.length() > 0) {
 		handshake += WEBSOCKETS_STRING("Authorization: Basic ");