/**
 * This file is part of the Meeds project (https://meeds.io/).
 * Copyright (C) 2022 Meeds Association
 * contact@meeds.io
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.exoplatform.web.login;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;

public class LoginUtils {

  private LoginUtils() {
    // Utils class
  }

  /** . */
  public static final String COOKIE_NAME                   = "rememberme";

  public static final String OAUTH_COOKIE_NAME             = "oauth_rememberme";

  // value of this field need equals with
  // org.gatein.security.oauth.common.OAuthConstants.ATTRIBUTE_REMEMBER_ME
  public static final String SESSION_ATTRIBUTE_REMEMBER_ME = "_rememberme";

  /**
   * Extract the remember me token from the request or returns null.
   *
   * @param req the incoming request
   * @return the token
   */
  public static String getRememberMeTokenCookie(HttpServletRequest req) {
    Cookie[] cookies = req.getCookies();
    if (cookies != null) {
      for (Cookie cookie : cookies) {
        if (COOKIE_NAME.equals(cookie.getName())) {
          return cookie.getValue();
        }
      }
    }
    return null;
  }

  public static String getOauthRememberMeTokenCookie(HttpServletRequest req) {
    Cookie[] cookies = req.getCookies();
    if (cookies != null) {
      for (Cookie cookie : cookies) {
        if (OAUTH_COOKIE_NAME.equals(cookie.getName())) {
          return cookie.getValue();
        }
      }
    }
    return null;
  }

}
