From be6ae2c46467a7783f02cca130bb2ad667a2b886 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Obernd=C3=B6rfer?= <thomas@mailvelope.com>
Date: Thu, 5 Mar 2015 13:32:44 +0100
Subject: [PATCH] Escape email before using as regular expression in emailCheck
 method.

---
 src/keyring/keyring.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/keyring/keyring.js b/src/keyring/keyring.js
index 2a3d2e99..256b55cf 100644
--- a/src/keyring/keyring.js
+++ b/src/keyring/keyring.js
@@ -123,7 +123,9 @@ KeyArray.prototype.getForAddress = function(email) {
  * @return {Boolean} True if the email address is defined in the specified key
  */
 function emailCheck(email, key) {
-  var emailRegex = new RegExp('<' + email.toLowerCase() + '>');
+  // escape email before using in regular expression
+  email = email.toLowerCase().replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+  var emailRegex = new RegExp('<' + email + '>');
   var keyEmails = key.getUserIds();
   for (var i = 0; i < keyEmails.length; i++) {
     if (emailRegex.test(keyEmails[i].toLowerCase())) {