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86495e947b
Now that we're on Node 20, we can just use the global fetch and crypto which work the same in node and in the browser.
45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { base64Encode } from './node/buffer';
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export function randomUUID() {
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return crypto.randomUUID();
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}
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function dec2hex(dec: number): string {
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return ('0' + dec.toString(16)).slice(-2);
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}
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export function generateCodeVerifier(): string {
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const array = new Uint32Array(56 / 2);
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crypto.getRandomValues(array);
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return Array.from(array, dec2hex).join('');
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}
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function sha256(plain: string | undefined) {
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const encoder = new TextEncoder();
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const data = encoder.encode(plain);
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return crypto.subtle.digest('SHA-256', data);
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}
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function base64urlencode(a: ArrayBuffer) {
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let str = '';
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const bytes = new Uint8Array(a);
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const len = bytes.byteLength;
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for (let i = 0; i < len; i++) {
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str += String.fromCharCode(bytes[i]);
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}
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return base64Encode(str)
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.replace(/\+/g, '-')
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.replace(/\//g, '_')
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.replace(/=+$/, '');
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}
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export async function generateCodeChallenge(v: string) {
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const hashed = await sha256(v);
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const base64encoded = base64urlencode(hashed);
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return base64encoded;
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}
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