Function checkPremium

pmcaptcha/pmcaptcha.ts:1215–1264

* 5. Premium 用户处理 (premium) * allow: Premium 用户自动通过 * ban: Premium 用户自动拦截 * only: 仅允许 Premium 用户（非 Premium 自动拦截） * none: 不做特殊处理

(client: TelegramClient, userId: number, message: Api.Message)

  // 白名单关键词检查
  const wlWords = cfg.wlWords();
  if (wlWords.length > 0) {
    for (const word of wlWords) {
      if (text.includes(word)) {
        wl.add(userId);
        log(LogLevel.INFO, `Auto-pass user ${userId} by whitelist word: "${word}"`);
        return "pass";
      }
    }
  }

  // 黑名单关键词检查
  const blWords = cfg.blWords();
  if (blWords.length > 0) {
    for (const word of blWords) {
      if (text.includes(word)) {
        log(LogLevel.INFO, `Auto-block user ${userId} by blacklist word: "${word}"`);
        return "block";
      }
    }
  }

  return "skip";
}

/**
 * 5. Premium 用户处理 (premium)
 *    allow: Premium 用户自动通过
 *    ban:   Premium 用户自动拦截
 *    only:  仅允许 Premium 用户（非 Premium 自动拦截）
 *    none:  不做特殊处理
 */
async function checkPremium(client: TelegramClient, userId: number, message: Api.Message): Promise<AutoRuleResult> {
  const strategy = cfg.premium();
  if (strategy === "none") return "skip";

  // 获取用户 premium 状态
  const sender = (message as any).sender ?? (message as any)._sender;
  let isPremium = false;
  if (sender) {
    isPremium = !!(sender.premium);
  } else {
    try {
      const result = await client.invoke(
        new Api.users.GetFullUser({ id: peerTarget(userId) })
      ) as any;
      isPremium = !!(result?.users?.[0]?.premium);
    } catch (e) {
      log(LogLevel.WARN, `checkPremium: cannot get premium status for ${userId}`, e);
      return "skip";
    }
  }

  switch (strategy) {