diff options
Diffstat (limited to 'tools/addon-sdk-1.12/lib/sdk/base64.js')
-rw-r--r-- | tools/addon-sdk-1.12/lib/sdk/base64.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.12/lib/sdk/base64.js b/tools/addon-sdk-1.12/lib/sdk/base64.js new file mode 100644 index 0000000..42fea57 --- /dev/null +++ b/tools/addon-sdk-1.12/lib/sdk/base64.js @@ -0,0 +1,41 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +module.metadata = { + "stability": "unstable" +}; + +const { Cu } = require("chrome"); + +// If an object is not given as second argument, the JavaScript Module scope is +// returned, so we can obtain from it the `atob` and `btoa` functions +const { atob, btoa } = Cu.import("resource://gre/modules/Services.jsm"); + +function isUTF8(charset) { + let type = typeof charset; + + if (type === "undefined") + return false; + + if (type === "string" && charset.toLowerCase() === "utf-8") + return true; + + throw new Error("The charset argument can be only 'utf-8'"); +} + +exports.decode = function (data, charset) { + if (isUTF8(charset)) + return decodeURIComponent(escape(atob(data))) + + return atob(data); +} + +exports.encode = function (data, charset) { + if (isUTF8(charset)) + return btoa(unescape(encodeURIComponent(data))) + + return btoa(data); +} |