The Tor Browser / file comparison
comparison: addon-sdk/source/lib/sdk/base64.js
addon-sdk/source/lib/sdk/base64.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:5744c2308a33 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 "use strict"; | |
| 6 | |
| 7 module.metadata = { | |
| 8 "stability": "unstable" | |
| 9 }; | |
| 10 | |
| 11 const { Cu } = require("chrome"); | |
| 12 | |
| 13 // Passing an empty object as second argument to avoid scope's pollution | |
| 14 const { atob, btoa } = Cu.import("resource://gre/modules/Services.jsm", {}); | |
| 15 | |
| 16 function isUTF8(charset) { | |
| 17 let type = typeof charset; | |
| 18 | |
| 19 if (type === "undefined") | |
| 20 return false; | |
| 21 | |
| 22 if (type === "string" && charset.toLowerCase() === "utf-8") | |
| 23 return true; | |
| 24 | |
| 25 throw new Error("The charset argument can be only 'utf-8'"); | |
| 26 } | |
| 27 | |
| 28 exports.decode = function (data, charset) { | |
| 29 if (isUTF8(charset)) | |
| 30 return decodeURIComponent(escape(atob(data))) | |
| 31 | |
| 32 return atob(data); | |
| 33 } | |
| 34 | |
| 35 exports.encode = function (data, charset) { | |
| 36 if (isUTF8(charset)) | |
| 37 return btoa(unescape(encodeURIComponent(data))) | |
| 38 | |
| 39 return btoa(data); | |
| 40 } |
