47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.base64URLUnescape = exports.base64URLEscape = exports.base64URLDecode = exports.base64URLEncode = exports.base64Decode = exports.base64Encode = void 0;
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/*
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Copyright 2022 The Sigstore Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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const BASE64_ENCODING = 'base64';
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const UTF8_ENCODING = 'utf-8';
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function base64Encode(str) {
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return Buffer.from(str, UTF8_ENCODING).toString(BASE64_ENCODING);
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}
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exports.base64Encode = base64Encode;
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function base64Decode(str) {
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return Buffer.from(str, BASE64_ENCODING).toString(UTF8_ENCODING);
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}
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exports.base64Decode = base64Decode;
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function base64URLEncode(str) {
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return base64URLEscape(base64Encode(str));
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}
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exports.base64URLEncode = base64URLEncode;
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function base64URLDecode(str) {
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return base64Decode(base64URLUnescape(str));
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}
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exports.base64URLDecode = base64URLDecode;
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function base64URLEscape(str) {
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return str.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
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}
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exports.base64URLEscape = base64URLEscape;
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function base64URLUnescape(str) {
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// Repad the base64 string if necessary
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str += '='.repeat((4 - (str.length % 4)) % 4);
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return str.replace(/-/g, '+').replace(/_/g, '/');
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}
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exports.base64URLUnescape = base64URLUnescape;
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