addon-sdk/source/lib/sdk/base64.js

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 "use strict";
michael@0 6
michael@0 7 module.metadata = {
michael@0 8 "stability": "unstable"
michael@0 9 };
michael@0 10
michael@0 11 const { Cu } = require("chrome");
michael@0 12
michael@0 13 // Passing an empty object as second argument to avoid scope's pollution
michael@0 14 const { atob, btoa } = Cu.import("resource://gre/modules/Services.jsm", {});
michael@0 15
michael@0 16 function isUTF8(charset) {
michael@0 17 let type = typeof charset;
michael@0 18
michael@0 19 if (type === "undefined")
michael@0 20 return false;
michael@0 21
michael@0 22 if (type === "string" && charset.toLowerCase() === "utf-8")
michael@0 23 return true;
michael@0 24
michael@0 25 throw new Error("The charset argument can be only 'utf-8'");
michael@0 26 }
michael@0 27
michael@0 28 exports.decode = function (data, charset) {
michael@0 29 if (isUTF8(charset))
michael@0 30 return decodeURIComponent(escape(atob(data)))
michael@0 31
michael@0 32 return atob(data);
michael@0 33 }
michael@0 34
michael@0 35 exports.encode = function (data, charset) {
michael@0 36 if (isUTF8(charset))
michael@0 37 return btoa(unescape(encodeURIComponent(data)))
michael@0 38
michael@0 39 return btoa(data);
michael@0 40 }

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