32 lines
943 B
Plaintext
32 lines
943 B
Plaintext
import { invalidKeyInput } from './invalid_key_input.js';
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import { encode as b64u } from '../util/base64url.js';
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import { isCryptoKey, isKeyObject } from './is_key_like.js';
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export async function keyToJWK(key) {
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if (isKeyObject(key)) {
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if (key.type === 'secret') {
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key = key.export();
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}
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else {
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return key.export({ format: 'jwk' });
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}
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}
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if (key instanceof Uint8Array) {
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return {
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kty: 'oct',
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k: b64u(key),
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};
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}
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if (!isCryptoKey(key)) {
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throw new TypeError(invalidKeyInput(key, 'CryptoKey', 'KeyObject', 'Uint8Array'));
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}
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if (!key.extractable) {
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throw new TypeError('non-extractable CryptoKey cannot be exported as a JWK');
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}
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const { ext, key_ops, alg, use, ...jwk } = await crypto.subtle.exportKey('jwk', key);
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if (jwk.kty === 'AKP') {
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;
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jwk.alg = alg;
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}
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return jwk;
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}
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