decrypt.js 1.4 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", { value: true });
  3. exports.jwtDecrypt = void 0;
  4. const decrypt_js_1 = require("../jwe/compact/decrypt.js");
  5. const jwt_claims_set_js_1 = require("../lib/jwt_claims_set.js");
  6. const errors_js_1 = require("../util/errors.js");
  7. async function jwtDecrypt(jwt, key, options) {
  8. const decrypted = await (0, decrypt_js_1.compactDecrypt)(jwt, key, options);
  9. const payload = (0, jwt_claims_set_js_1.default)(decrypted.protectedHeader, decrypted.plaintext, options);
  10. const { protectedHeader } = decrypted;
  11. if (protectedHeader.iss !== undefined && protectedHeader.iss !== payload.iss) {
  12. throw new errors_js_1.JWTClaimValidationFailed('replicated "iss" claim header parameter mismatch', 'iss', 'mismatch');
  13. }
  14. if (protectedHeader.sub !== undefined && protectedHeader.sub !== payload.sub) {
  15. throw new errors_js_1.JWTClaimValidationFailed('replicated "sub" claim header parameter mismatch', 'sub', 'mismatch');
  16. }
  17. if (protectedHeader.aud !== undefined &&
  18. JSON.stringify(protectedHeader.aud) !== JSON.stringify(payload.aud)) {
  19. throw new errors_js_1.JWTClaimValidationFailed('replicated "aud" claim header parameter mismatch', 'aud', 'mismatch');
  20. }
  21. const result = { payload, protectedHeader };
  22. if (typeof key === 'function') {
  23. return { ...result, key: decrypted.key };
  24. }
  25. return result;
  26. }
  27. exports.jwtDecrypt = jwtDecrypt;