implemented frontend including separate message system; started to implement backend

yjs-poll/node_modules/lib0/dist/jwt.cjs

@@ -0,0 +1,96 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var error = require('./error-0c1f634f.cjs');
+var buffer = require('./buffer-3e750729.cjs');
+var string = require('./string-fddc5f8b.cjs');
+var json = require('./json-092190a1.cjs');
+var ecdsa = require('./ecdsa.cjs');
+var time = require('./time-d8438852.cjs');
+require('./environment-1c97264d.cjs');
+require('./map-24d263c0.cjs');
+require('./conditions-f5c0c102.cjs');
+require('./storage.cjs');
+require('./function-314580f7.cjs');
+require('./array-78849c95.cjs');
+require('./set-5b47859e.cjs');
+require('./object-c0c9435b.cjs');
+require('./equality.cjs');
+require('./math-96d5e8c4.cjs');
+require('./encoding-1a745c43.cjs');
+require('./number-1fb57bba.cjs');
+require('./binary-ac8e39e2.cjs');
+require('./decoding-76e75827.cjs');
+require('lib0/webcrypto');
+require('./common.cjs');
+require('./metric.cjs');
+
+/**
+ * @param {Object} data
+ */
+const _stringify = data => buffer.toBase64UrlEncoded(string.encodeUtf8(json.stringify(data)));
+
+/**
+ * @param {string} base64url
+ */
+const _parse = base64url => json.parse(string.decodeUtf8(buffer.fromBase64UrlEncoded(base64url)));
+
+/**
+ * @param {CryptoKey} privateKey
+ * @param {Object} payload
+ */
+const encodeJwt = (privateKey, payload) => {
+  const { name: algName, namedCurve: algCurve } = /** @type {any} */ (privateKey.algorithm);
+  /* c8 ignore next 3 */
+  if (algName !== 'ECDSA' || algCurve !== 'P-384') {
+    error.unexpectedCase();
+  }
+  const header = {
+    alg: 'ES384',
+    typ: 'JWT'
+  };
+  const jwt = _stringify(header) + '.' + _stringify(payload);
+  return ecdsa.sign(privateKey, string.encodeUtf8(jwt)).then(signature =>
+    jwt + '.' + buffer.toBase64UrlEncoded(signature)
+  )
+};
+
+/**
+ * @param {CryptoKey} publicKey
+ * @param {string} jwt
+ */
+const verifyJwt = async (publicKey, jwt) => {
+  const [headerBase64, payloadBase64, signatureBase64] = jwt.split('.');
+  const verified = await ecdsa.verify(publicKey, buffer.fromBase64UrlEncoded(signatureBase64), string.encodeUtf8(headerBase64 + '.' + payloadBase64));
+  /* c8 ignore next 3 */
+  if (!verified) {
+    throw new Error('Invalid JWT')
+  }
+  const payload = _parse(payloadBase64);
+  if (payload.exp != null && time.getUnixTime() > payload.exp) {
+    throw new Error('Expired JWT')
+  }
+  return {
+    header: _parse(headerBase64),
+    payload
+  }
+};
+
+/**
+ * Decode a jwt without verifying it. Probably a bad idea to use this. Only use if you know the jwt was already verified!
+ *
+ * @param {string} jwt
+ */
+const unsafeDecode = jwt => {
+  const [headerBase64, payloadBase64] = jwt.split('.');
+  return {
+    header: _parse(headerBase64),
+    payload: _parse(payloadBase64)
+  }
+};
+
+exports.encodeJwt = encodeJwt;
+exports.unsafeDecode = unsafeDecode;
+exports.verifyJwt = verifyJwt;
+//# sourceMappingURL=jwt.cjs.map