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14 lines
601 B
JavaScript
14 lines
601 B
JavaScript
// PKCE utilities
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function generateCodeVerifier(length = 64) {
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const array = new Uint8Array(length);
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window.crypto.getRandomValues(array);
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return btoa(String.fromCharCode(...array)).replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, "");
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}
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async function generateCodeChallenge(codeVerifier) {
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const encoder = new TextEncoder();
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const data = encoder.encode(codeVerifier);
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const digest = await window.crypto.subtle.digest('SHA-256', data);
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return btoa(String.fromCharCode(...new Uint8Array(digest)))
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.replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');
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} |