sso 兑现

sso 实现
1、 共享cookie类（未完成）
(1)服务器端代码

import java.io.IOException;import java.io.PrintWriter;import java.util.concurrent.ConcurrentHashMap;import java.util.concurrent.ConcurrentMap;import javax.servlet.ServletConfig;import javax.servlet.ServletException;import javax.servlet.http.Cookie;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class SSOAuth extends HttpServlet {/** *  */private static final long serialVersionUID = 1L;private static  ConcurrentMap<String, String> accounts;private static  ConcurrentMap<String, String> SSOIDs;    private String cookiename="WangYuDesktopSSOID";    private String domainname="localhost";        public void init(ServletConfig config) throws ServletException {        super.init(config);       //domainname= config.getInitParameter("domainname");        SSOIDs = new ConcurrentHashMap();        accounts=new ConcurrentHashMap();        accounts.put("1", "1");        accounts.put("paul", "paul");        accounts.put("carol", "carol");    }        protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {    PrintWriter out = response.getWriter();        String action = request.getParameter("action");        String result="failed";        if (action==null) {            handlerFromLogin(request,response);        } else if (action.equals("authcookie")){            String myCookie = request.getParameter("cookiename");            if (myCookie != null) result = authCookie(myCookie);          out.print(result);           out.close();        } else if (action.equals("authuser")) {           result=authNameAndPasswd(request,response);            out.print(result);            out.close();        } else if (action.equals("logout")) {            String myCookie = request.getParameter("cookiename");            log(myCookie);           out.close();        }    }        private String authNameAndPasswd(HttpServletRequest request,HttpServletResponse response) {    System.out.println("authNameAndPasswd");return null;}private String authCookie(String myCookie) {System.out.println("authCookie");return null;}private void handlerFromLogin(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {        String username = request.getParameter("username");        String password = request.getParameter("password");        String pass = (String)accounts.get(username);        if ((pass==null)||(!pass.equals(password)))            getServletContext().getRequestDispatcher("/failed.html").forward(request, response);        else {            String gotoURL = "ok.jsp";            String newID = createUID();            SSOIDs.put(newID, username);            Cookie wangyu = new Cookie(cookiename, newID);            wangyu.setDomain(domainname);            wangyu.setMaxAge(60000);            wangyu.setValue(newID);            wangyu.setPath("/");            response.addCookie(wangyu);            System.out.println("login success, goto back url:" + gotoURL);            if (gotoURL != null) {                response.sendRedirect(gotoURL);            }        }       }private String createUID() {return "1";}}

import java.io.IOException;import javax.servlet.Filter;import javax.servlet.FilterChain;import javax.servlet.FilterConfig;import javax.servlet.ServletException;import javax.servlet.ServletRequest;import javax.servlet.ServletResponse;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class SSOFilter implements Filter {private FilterConfig filterConfig = null;private String cookieName = "PASESSION";private String SSOServiceURL = "LoginServlet.do";private String SSOLoginPage = "login.html";public void destroy() {// TODO Auto-generated method stub}public void doFilter(ServletRequest req, ServletResponse res,FilterChain chain) throws IOException, ServletException {HttpServletRequest request = (HttpServletRequest) req;HttpServletResponse response = (HttpServletResponse) res;String result = "failed";String cookieValue = "";javax.servlet.http.Cookie[] diskCookies = request.getCookies();if (diskCookies != null) {for (int i = 0; i < diskCookies.length; i++) {if (diskCookies[i].getName().equals(cookieName)) {cookieValue = diskCookies[i].getValue();result = SSOService(cookieValue);}}}if (result.equals("failed")) { // 效验失败或没有找到cookie，则需要登录response.sendRedirect(SSOLoginPage);} else {// 效验成功request.setAttribute("SSOUser", result);Throwable problem = null;try {chain.doFilter(req, res);} catch (Throwable t) {problem = t;t.printStackTrace();}if (problem != null) {if (problem instanceof ServletException)throw (ServletException) problem;if (problem instanceof IOException)throw (IOException) problem;// sendProcessingError(problem, res);}}}public void init(FilterConfig arg0) throws ServletException {// TODO Auto-generated method stub}private String SSOService(String cookievalue) throws IOException {return "ok";// HttpClient httpclient = new HttpClient();// GetMethod httpget = new// GetMethod(SSOServiceURL+authAction+cookievalue);// try {// httpclient.executeMethod(httpget);// String result = httpget.getResponseBodyAsString();// return result;// } finally {// httpget.releaseConnection();//// }}private void logoutService(String cookievalue) throws IOException {// String authAction = "?action=logout&cookiename=";// HttpClient httpclient = new HttpClient();// GetMethod httpget = new// GetMethod(SSOServiceURL+authAction+cookievalue);// try {// httpclient.executeMethod(httpget);// httpget.getResponseBodyAsString();// } finally {// httpget.releaseConnection();// }}}

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.xxx</groupId><artifactId>sso</artifactId><packaging>war</packaging><version>0.0.1-SNAPSHOT</version><name>sso Maven Webapp</name><url>http://maven.apache.org</url><build><finalName>sso</finalName><plugins><plugin><groupId>org.codehaus.mojo</groupId><artifactId>tomcat-maven-plugin</artifactId><version>1.1</version><configuration><server>tomcat-6.0.32</server><url>http://127.0.0.1:8080/manager</url><uriEncoding>${encoding}</uriEncoding></configuration></plugin></plugins></build><dependencies><dependency><groupId>javax.servlet</groupId><artifactId>servlet-api</artifactId><version>2.4</version><scope>provided</scope></dependency></dependencies>  </project>

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app>  <display-name>Archetype Created Web Application</display-name>  <servlet>    <servlet-name>LoginServlet</servlet-name>    <servlet-class>com.xxx.sso.SSOAuth</servlet-class>  </servlet>   <servlet-mapping>    <servlet-name>LoginServlet</servlet-name>    <url-pattern>/LoginServlet.do</url-pattern>  </servlet-mapping>  <filter><filter-name>ssoFilter</filter-name><filter-class>com.xxx.des.SSOFilter</filter-class></filter><filter-mapping><filter-name>ssoFilter</filter-name><url-pattern>*.jsp</url-pattern></filter-mapping></web-app>