50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
/*!
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* util/base64url.js - Implementation of web-safe Base64 Encoder/Decoder
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*
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* Copyright (c) 2015 Cisco Systems, Inc. See LICENSE file.
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*/
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"use strict";
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var impl = require("base64url");
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/**
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* @namespace base64url
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* @description
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* Provides methods to encode and decode data according to the
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* base64url alphabet.
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*/
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var base64url = {
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/**
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* @function
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* Encodes the input to base64url.
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*
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* If {input} is a Buffer, then {encoding} is ignored. Otherwise,
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* {encoding} can be one of "binary", "base64", "hex", "utf8".
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*
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* @param {Buffer|String} input The data to encode.
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* @param {String} [encoding = binary] The input encoding format.
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* @returns {String} the base64url encoding of {input}.
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*/
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encode: function encode(buffer, encoding) {
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if (buffer instanceof ArrayBuffer) {
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buffer = new Uint8Array(buffer);
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}
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if (!Buffer.isBuffer(buffer)) {
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buffer = Buffer.from(buffer, encoding);
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}
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return impl.encode(buffer);
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},
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/**
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* @function
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* Decodes the input from base64url.
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*
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* @param {String} input The data to decode.
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* @returns {Buffer|String} the base64url decoding of {input}.
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*/
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decode: impl.toBuffer
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};
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module.exports = base64url;
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