From 4aacd291b1d4345d4a12e961b9db615b78943585 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Fri, 27 Jan 2017 16:45:41 +0100
Subject: [PATCH] New config option to use an external websocket server

---
 config.js.dist |  6 ++++++
 server.js      | 19 +++++++++++--------
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/config.js.dist b/config.js.dist
index 103bf959b..95ba7ed49 100644
--- a/config.js.dist
+++ b/config.js.dist
@@ -50,6 +50,12 @@ module.exports = {
      */
     //websocketPort: 3000,
 
+    /*  if you want to run a different version of cryptpad but using the same websocket
+     *  server, you should use the other server port as websocketPort and disable 
+     *  the websockets on that server
+     */
+    //useExternalWebsocket: false,
+
     /*  If Cryptpad is proxied without using https, the server needs to know.
      *  Specify 'useSecureWebsockets: true' so that it can send
      *  Content Security Policy Headers that prevent http and https from mixing
diff --git a/server.js b/server.js
index 2be619e48..6414c83bc 100644
--- a/server.js
+++ b/server.js
@@ -82,7 +82,7 @@ app.get('/api/config', function(req, res){
     var host = req.headers.host.replace(/\:[0-9]+/, '');
     res.setHeader('Content-Type', 'text/javascript');
     res.send('define(' + JSON.stringify({
-        websocketPath: config.websocketPath,
+        websocketPath: config.useExternalWebsocket ? undefined : config.websocketPath,
         websocketURL:'ws' + ((useSecureWebsockets) ? 's' : '') + '://' + host + ':' +
             websocketPort + '/cryptpad_websocket',
     }) + ');');
@@ -95,11 +95,14 @@ httpServer.listen(config.httpPort,config.httpAddress,function(){
 });
 
 var wsConfig = { server: httpServer };
-if (websocketPort !== config.httpPort) {
-    console.log("setting up a new websocket server");
-    wsConfig = { port: websocketPort};
+
+if(!config.useExternalWebsocket) {
+    if (websocketPort !== config.httpPort) {
+        console.log("setting up a new websocket server");
+        wsConfig = { port: websocketPort};
+    }
+    var wsSrv = new WebSocketServer(wsConfig);
+    Storage.create(config, function (store) {
+        NetfluxSrv.run(store, wsSrv, config);
+    });
 }
-var wsSrv = new WebSocketServer(wsConfig);
-Storage.create(config, function (store) {
-    NetfluxSrv.run(store, wsSrv, config);
-});