From 53a471b2b1942ae4ae7ef245a97613c763f6033c Mon Sep 17 00:00:00 2001
From: Scott Nonnenberg <scott@signal.org>
Date: Wed, 23 May 2018 16:02:33 -0700
Subject: [PATCH] Expand set of blocked URI schemes

---
 app/protocol_filter.js | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/app/protocol_filter.js b/app/protocol_filter.js
index a13414741530..f0e33cc89e68 100644
--- a/app/protocol_filter.js
+++ b/app/protocol_filter.js
@@ -41,15 +41,26 @@ function installFileHandler({ protocol, userDataPath, installPath }) {
   );
 }
 
-// Turn off all browser web requests since we do all web requests via Node.js
-function _webHandler(request, callback) {
+// Turn off browser URI scheme since we do all network requests via Node.js
+function _disabledHandler(request, callback) {
   return callback();
 }
 
 function installWebHandler({ protocol }) {
-  protocol.interceptFileProtocol('http', _webHandler);
-  protocol.interceptFileProtocol('https', _webHandler);
-  protocol.interceptFileProtocol('ftp', _webHandler);
+  protocol.interceptFileProtocol('about', _disabledHandler);
+  protocol.interceptFileProtocol('content', _disabledHandler);
+  protocol.interceptFileProtocol('chrome', _disabledHandler);
+  protocol.interceptFileProtocol('cid', _disabledHandler);
+  protocol.interceptFileProtocol('data', _disabledHandler);
+  protocol.interceptFileProtocol('filesystem', _disabledHandler);
+  protocol.interceptFileProtocol('ftp', _disabledHandler);
+  protocol.interceptFileProtocol('gopher', _disabledHandler);
+  protocol.interceptFileProtocol('http', _disabledHandler);
+  protocol.interceptFileProtocol('https', _disabledHandler);
+  protocol.interceptFileProtocol('javascript', _disabledHandler);
+  protocol.interceptFileProtocol('mailto', _disabledHandler);
+  protocol.interceptFileProtocol('ws', _disabledHandler);
+  protocol.interceptFileProtocol('wss', _disabledHandler);
 }
 
 module.exports = {