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34 lines
1.2 KiB
TypeScript
34 lines
1.2 KiB
TypeScript
/**
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* Copyright 2021 Gravitational, Inc.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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import { arrayBufferToBase64, base64ToArrayBuffer } from './base64-arraybuffer';
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export function base64urlToBuffer(base64url: string): ArrayBuffer {
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// Base64url to Base64string
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const padding = '=='.slice(0, (4 - (base64url.length % 4)) % 4);
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const base64String =
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base64url.replace(/-/g, '+').replace(/_/g, '/') + padding;
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return base64ToArrayBuffer(base64String);
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}
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export function bufferToBase64url(buffer: ArrayBuffer): string {
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const base64str = arrayBufferToBase64(buffer);
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// Assuming the base64str is a well-formed url.
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return base64str.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
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}
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