jose/dist/node/cjs/jwe/compact/decrypt.js
2021-08-20 14:09:59 +02:00

28 lines
1.2 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.compactDecrypt = void 0;
const decrypt_js_1 = require("../flattened/decrypt.js");
const errors_js_1 = require("../../util/errors.js");
const buffer_utils_js_1 = require("../../lib/buffer_utils.js");
async function compactDecrypt(jwe, key, options) {
if (jwe instanceof Uint8Array) {
jwe = buffer_utils_js_1.decoder.decode(jwe);
}
if (typeof jwe !== 'string') {
throw new errors_js_1.JWEInvalid('Compact JWE must be a string or Uint8Array');
}
const { 0: protectedHeader, 1: encryptedKey, 2: iv, 3: ciphertext, 4: tag, length, } = jwe.split('.');
if (length !== 5) {
throw new errors_js_1.JWEInvalid('Invalid Compact JWE');
}
const decrypted = await decrypt_js_1.default({
ciphertext: (ciphertext || undefined),
iv: (iv || undefined),
protected: protectedHeader || undefined,
tag: (tag || undefined),
encrypted_key: encryptedKey || undefined,
}, key, options);
return { plaintext: decrypted.plaintext, protectedHeader: decrypted.protectedHeader };
}
exports.compactDecrypt = compactDecrypt;
exports.default = compactDecrypt;