Method _touch

src/node/db/SessionStore.ts:221–233

(sid: string, sess:any)

  // would behave like set() in that case but it's OK if it doesn't -- express-session will call
  // set() soon enough.
  async _touch(sid: string, sess:any) {
    logger.debug(`TOUCH ${sid}`);
    sess = await this._updateExpirations(sid, sess, false);
    if (sess == null) return; // Already expired.
    const exp = this._expirations.get(sid);
    // If the session doesn't expire, don't do anything. Ideally we would write the session to the
    // database if it didn't already exist, but we have no way of knowing that without querying the
    // database. The query overhead is not worth it because set() should be called soon anyway.
    if (exp == null) return;
    if (exp.db != null && (this._refresh == null || exp.real < exp.db + this._refresh)) return;
    await this._write(sid, sess);
    exp.db = new Date(sess.cookie.expires).getTime();
  }
}

// express-session doesn't support Promise-based methods. This is where the callbackified versions