auto-login/utils.js

// URL 匹配 + HTML 转义，浏览器与 Node 通用
(function (root, factory) {
  if (typeof module === "object" && module.exports) {
    module.exports = factory();
  } else {
    const api = factory();
    root.isDomainMatch = api.isDomainMatch;
    root.escapeHtml = api.escapeHtml;
  }
})(typeof globalThis !== "undefined" ? globalThis : this, function () {
  "use strict";

  /**
   * 判断 URL 是否匹配规则。
   * 纯 hostname：example.com / *.example.com
   * hostname+path：example.com/login/*，路径部分支持 * 通配
   */
  function isDomainMatch(url, pattern) {
    if (!url || !pattern) return false;
    try {
      const u = new URL(url);
      const hostname = u.hostname;
      const rawPattern = String(pattern).trim();

      if (rawPattern.includes("/")) {
        const slashIdx = rawPattern.indexOf("/");
        const hostPart = rawPattern.slice(0, slashIdx);
        const pathPart = rawPattern.slice(slashIdx + 1) || "";
        if (!matchHost(hostname, hostPart)) return false;
        return matchPath(u.pathname, pathPart);
      }

      return matchHost(hostname, rawPattern);
    } catch {
      return false;
    }
  }

  function matchHost(hostname, hostPart) {
    if (hostPart.startsWith("*.")) {
      const suffix = hostPart.slice(2);
      return hostname === suffix || hostname.endsWith("." + suffix);
    }
    if (hostPart.includes("*")) {
      const regexStr = hostPart.replace(/\./g, "\\.").replace(/\*/g, ".*");
      return new RegExp("^" + regexStr + "$").test(hostname);
    }
    return hostname === hostPart;
  }

  function matchPath(pathname, pathPart) {
    const pagePath = pathname.startsWith("/") ? pathname.slice(1) : pathname;
    if (!pathPart) return true;
    if (pathPart === "*") return true;
    if (pathPart.endsWith("/*")) {
      const prefix = pathPart.slice(0, -2);
      return pagePath === prefix || pagePath.startsWith(prefix + "/");
    }
    if (pathPart.includes("*")) {
      const regexStr = pathPart.replace(/\//g, "\\/").replace(/\*/g, ".*");
      return new RegExp("^" + regexStr + "$").test(pagePath);
    }
    return pagePath === pathPart;
  }

  /** HTML 转义，防止配置中的特殊字符破坏页面 */
  function escapeHtml(str) {
    if (str == null) return "";
    return String(str)
      .replace(/&/g, "&")
      .replace(/</g, "&lt;")
      .replace(/>/g, "&gt;")
      .replace(/"/g, "&quot;")
      .replace(/'/g, "&#39;");
  }

  return { isDomainMatch, escapeHtml };
});