snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

react/features/base/util/isInsecureRoomName.native.ts

@@ -0,0 +1,64 @@
+import { isEqual } from 'lodash-es';
+import { NIL, parse as parseUUID } from 'uuid';
+import zxcvbn from 'zxcvbn';
+
+// The null UUID.
+const NIL_UUID = parseUUID(NIL);
+
+const _ZXCVBN_CACHE_MAX = 200;
+const _zxcvbnCache = new Map<string, ReturnType<typeof zxcvbn>>();
+
+/**
+ * Checks if the given string is a valid UUID or not.
+ *
+ * @param {string} str - The string to be checked.
+ * @returns {boolean} - Whether the string is a valid UUID or not.
+ */
+function isValidUUID(str: string) {
+    let uuid;
+
+    try {
+        uuid = parseUUID(str);
+    } catch (e) {
+        return false;
+    }
+
+    return !isEqual(uuid, NIL_UUID);
+}
+
+/**
+ * Checks a room name and caches the result.
+ *
+ * @param {string} roomName - The room name.
+ * @returns {Object}
+ */
+function _checkRoomName(roomName = '') {
+    if (_zxcvbnCache.has(roomName)) {
+        return _zxcvbnCache.get(roomName);
+    }
+
+    const result = zxcvbn(roomName);
+
+    if (_zxcvbnCache.size >= _ZXCVBN_CACHE_MAX) {
+        const oldestKey = _zxcvbnCache.keys().next().value;
+
+        if (oldestKey !== undefined) {
+            _zxcvbnCache.delete(oldestKey);
+        }
+    }
+    _zxcvbnCache.set(roomName, result);
+
+    return result;
+}
+
+/**
+ * Returns true if the room name is considered a weak (insecure) one.
+ *
+ * @param {string} roomName - The room name.
+ * @returns {boolean}
+ */
+export default function isInsecureRoomName(roomName = ''): boolean {
+
+    // room names longer than 200 chars we consider secure
+    return !isValidUUID(roomName) && (roomName.length < 200 && (_checkRoomName(roomName)?.score ?? 3) < 3);
+}