loginservlet.java

一个非常好的FRAMWRK!是一个外国组织做的!不!

/**
 * Copyright 2003-2005 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

package com.jdon.security.web;

import javax.servlet.http.*;
import java.io.IOException;

import javax.servlet.ServletException;

import com.jdon.util.RequestUtil;
import com.jdon.util.StringUtil;
import com.jdon.util.Debug;

/**
 * please config Login.Module.Name in web.xml
 *
 * Login.Module.Name is the name in the jboss/login-config.xml
 *
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Jdon.com Copyright (c) 2003</p>
 * <p></p>
 * @author banq
 * @version 1.0
 */
public class LoginServlet extends HttpServlet {
  private final static String module = LoginServlet.class.getName();
  public final static String Login_Module = "SecurityRealm";
  private String Login_Module_Name;
  private String Login_Home_Uri;

  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      IOException, ServletException {
    doPost(request, response);
  }

  public void doPost(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {

    String username = request.getParameter("j_username");
    String password = request.getParameter("j_password");
    Debug.logVerbose(username + " will login ... ", module);

    //保存自动登陆 和密码
    if (request.getParameter("rememberMe") != null) {
      RequestUtil.setCookie(response, "rememberMe", "true", "/");
      RequestUtil.setCookie(response, "username",
                            StringUtil.encodeString(username),
                            "/");
      RequestUtil.setCookie(response, "password",
                            StringUtil.encodeString(password),
                            "/");
    }

    String j_req =
        "j_security_check?j_username=" + RequestUtil.encodeURL(username)
        + "&j_password=" + RequestUtil.encodeURL(password);
    response.sendRedirect(response.encodeRedirectURL(j_req));
  }

  public void init() throws ServletException {
    Login_Module_Name = this.getInitParameter("Login.Module.Name");
    if ( (Login_Module_Name == null) || (Login_Module_Name.equals("")))
      Login_Module_Name = Login_Module;

    Login_Home_Uri = this.getInitParameter("Login.Home.Uri");
  }

}