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

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

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 }

mercurial