Function readCookie

src/node/handler/PadMessageHandler.ts:428–444

(name: string)

    const cookiePrefix = settings.cookie?.prefix || '';
    const cookieHeader: string = socket.request?.headers?.cookie || '';
    const readCookie = (name: string): string | null => {
      const match = cookieHeader.split(/;\s*/).find(
          (c) => c.split('=')[0] === name);
      if (!match) return null;
      const raw = match.split('=').slice(1).join('=');
      // A malformed value (e.g. `name=%ZZ`) makes decodeURIComponent throw
      // URIError. Without this guard a single bad cookie aborts CLIENT_READY,
      // letting an unauthenticated peer spam server error logs and block
      // itself from joining (flagged by Qodo on #7755). Treat undecodable
      // values as absent.
      try {
        return decodeURIComponent(raw);
      } catch (err) {
        if (err instanceof URIError) return null;
        throw err;
      }
    };
    const cookieToken = readCookie(`${cookiePrefix}token`);
    const legacyToken = typeof message.token === 'string' ? message.token : null;
    const resolvedToken = cookieToken || legacyToken;