Support connections over HTTPS from HTTP web page.

Author: nuustik

README.rst

@@ -112,7 +112,7 @@ result.code()
     +---------------------------------+----------------------------------------------+---------------------------------------------------------------------------------------+
     | Type                            | Value                                        | Description                                                                           |
     +=================================+==============================================+=======================================================================================+
-    | studio.protocol.AuthResultCode  | Optional: One of the following:                                                                                                      |
+    | studio.protocol.AuthResultCode  | Optional: One of the following:              |                                                                                       |
     +                                 +----------------------------------------------+---------------------------------------------------------------------------------------+
     |                                 | - eCredentialsRequired                       |                                                                                       |
     +                                 +----------------------------------------------+---------------------------------------------------------------------------------------+

index.js

@@ -714,7 +714,7 @@ studio.internal = (function(proto) {
     var appConnection = this;
     var appName = "";
     var appId = undefined;
-    var appUrl = (location.protocol=="https:" ? proto.WSS_PREFIX : proto.WS_PREFIX) + url;
+    var appUrl = composeUrl(url);
     var socket = new WebSocket(appUrl);
     var handler = new proto.Handler(socket, notificationListener);
     var requests = [];
@@ -803,6 +803,22 @@ studio.internal = (function(proto) {
     socket.onmessage = onMessage;
     socket.onerror = onError;
 
+    function composeUrl(url) {
+      var result = (location.protocol=="https:" ? proto.WSS_PREFIX : proto.WS_PREFIX) + url; //default
+      if (URL.canParse(url)) {
+        var u = new URL(url);
+        if (u.protocol && u.host) {
+          if (u.protocol=="https:")
+            result = proto.WSS_PREFIX + u.host;
+          else if (u.protocol=="http:")
+            result = proto.WS_PREFIX + u.host;
+          else
+           result = u.origin;
+        }
+      }
+      return result;
+    }
+
     function send(message) {
       if (socket.readyState == WebSocket.OPEN) {
         socket.send(message.toArrayBuffer());

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cdp-client",
-  "version": "2.2.2",
+  "version": "2.3.0",
   "description": "A simple Javascript interface for the CDP Studio development platform that allows Javascript applications to interact with",
   "main": "index.js",
   "scripts": {