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24 lines
1.2 KiB
Plaintext
24 lines
1.2 KiB
Plaintext
import { compactDecrypt } from '../jwe/compact/decrypt.js';
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import jwtPayload from '../lib/jwt_claims_set.js';
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import { JWTClaimValidationFailed } from '../util/errors.js';
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export async function jwtDecrypt(jwt, key, options) {
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const decrypted = await compactDecrypt(jwt, key, options);
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const payload = jwtPayload(decrypted.protectedHeader, decrypted.plaintext, options);
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const { protectedHeader } = decrypted;
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if (protectedHeader.iss !== undefined && protectedHeader.iss !== payload.iss) {
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throw new JWTClaimValidationFailed('replicated "iss" claim header parameter mismatch', payload, 'iss', 'mismatch');
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}
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if (protectedHeader.sub !== undefined && protectedHeader.sub !== payload.sub) {
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throw new JWTClaimValidationFailed('replicated "sub" claim header parameter mismatch', payload, 'sub', 'mismatch');
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}
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if (protectedHeader.aud !== undefined &&
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JSON.stringify(protectedHeader.aud) !== JSON.stringify(payload.aud)) {
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throw new JWTClaimValidationFailed('replicated "aud" claim header parameter mismatch', payload, 'aud', 'mismatch');
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}
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const result = { payload, protectedHeader };
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if (typeof key === 'function') {
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return { ...result, key: decrypted.key };
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}
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return result;
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}
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