From 8ae9513f75fa8c975a5960684bfaa575ceaa6f6d Mon Sep 17 00:00:00 2001
From: hackademix
Date: Tue, 3 Jul 2018 19:35:33 +0200
Subject: Provide a uuid function fallback which doesn't fail in the Tor
 Browser.

---
 src/lib/uuid.js | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/uuid.js b/src/lib/uuid.js
index d809437..43f6d50 100644
--- a/src/lib/uuid.js
+++ b/src/lib/uuid.js
@@ -1,6 +1,15 @@
 'use strict';
+
 function uuid() {
-  return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,
-    c => (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4)
-          .toString(16));
+  try {
+    return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,
+      c => (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4)
+            .toString(16));
+  } catch (e) {
+    // fallback, as the Tor Browser seems to fail above
+    uuid = () => 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+      let r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
+      return v.toString(16);
+    });
+  }
 }
-- 
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