theluyuan
38ba663466
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Close stale issues and PRs / stale (push) Has been cancelled
57 lines
1.3 KiB
TypeScript
57 lines
1.3 KiB
TypeScript
import { isEqual } from 'lodash-es';
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import { NIL, parse as parseUUID } from 'uuid';
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import zxcvbn from 'zxcvbn';
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// The null UUID.
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const NIL_UUID = parseUUID(NIL);
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const _zxcvbnCache = new Map();
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/**
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* Checks if the given string is a valid UUID or not.
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*
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* @param {string} str - The string to be checked.
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* @returns {boolean} - Whether the string is a valid UUID or not.
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*/
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function isValidUUID(str: string) {
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let uuid;
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try {
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uuid = parseUUID(str);
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} catch (e) {
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return false;
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}
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return !isEqual(uuid, NIL_UUID);
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}
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/**
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* Checks a room name and caches the result.
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*
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* @param {string} roomName - The room name.
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* @returns {Object}
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*/
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function _checkRoomName(roomName = '') {
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if (_zxcvbnCache.has(roomName)) {
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return _zxcvbnCache.get(roomName);
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}
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const result = zxcvbn(roomName);
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_zxcvbnCache.set(roomName, result);
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return result;
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}
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/**
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* Returns true if the room name is considered a weak (insecure) one.
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*
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* @param {string} roomName - The room name.
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* @returns {boolean}
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*/
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export default function isInsecureRoomName(roomName = ''): boolean {
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// room names longer than 200 chars we consider secure
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return !isValidUUID(roomName) && (roomName.length < 200 && _checkRoomName(roomName).score < 3);
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}
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