initial commit. phase 1 complete

frontend/node_modules/jose/dist/browser/jwt/decrypt.js

@@ -0,0 +1,23 @@
+import { compactDecrypt } from '../jwe/compact/decrypt.js';
+import jwtPayload from '../lib/jwt_claims_set.js';
+import { JWTClaimValidationFailed } from '../util/errors.js';
+export async function jwtDecrypt(jwt, key, options) {
+    const decrypted = await compactDecrypt(jwt, key, options);
+    const payload = jwtPayload(decrypted.protectedHeader, decrypted.plaintext, options);
+    const { protectedHeader } = decrypted;
+    if (protectedHeader.iss !== undefined && protectedHeader.iss !== payload.iss) {
+        throw new JWTClaimValidationFailed('replicated "iss" claim header parameter mismatch', 'iss', 'mismatch');
+    }
+    if (protectedHeader.sub !== undefined && protectedHeader.sub !== payload.sub) {
+        throw new JWTClaimValidationFailed('replicated "sub" claim header parameter mismatch', 'sub', 'mismatch');
+    }
+    if (protectedHeader.aud !== undefined &&
+        JSON.stringify(protectedHeader.aud) !== JSON.stringify(payload.aud)) {
+        throw new JWTClaimValidationFailed('replicated "aud" claim header parameter mismatch', 'aud', 'mismatch');
+    }
+    const result = { payload, protectedHeader };
+    if (typeof key === 'function') {
+        return { ...result, key: decrypted.key };
+    }
+    return result;
+}