解决多登陆的问题 下面给出解决方案 (只有spring security的 ssh的太多)
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<display-name></display-name>
<!-- spring的日志监听。。 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- spring的监听 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.springframework.security.web.session.HttpSessionEventPublisher</listener-class>
</listener>
<welcome-file-list>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
</web-app>
//所有的参考实现
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:security="http://www.springframework.org/schema/security"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security-3.1.xsd
">
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="com.microsoft.sqlserver.jdbc.SQLServerDriver">
</property>
<property name="jdbcUrl" value="jdbc:sqlserver://localhost:1433;databaseName=mydb">
</property>
<property name="user" value="sa"></property>
<property name="password" value="123456"></property>
</bean>
<security:http pattern="/**/*.css" security="none"/>
<security:http pattern="/login.jsp*" security="none"/>
<security:http pattern="/admin/login.jsp*" security="none"/>
<security:http entry-point-ref="loginUrlEntryPoint" access-decision-manager-ref="myaccessDecisionManager" auto-config="true">
<!-- 没用但是重要 否者不会执行我们自定义的myaccessDecisionManager-->
<security:intercept-url pattern="/**" access="ROLE_XXX" />
<security:logout delete-cookies="true"/>
<security:remember-me/>
<!-- 不复制session -->
<security:session-management session-fixation-protection="none"/>
<security:custom-filter ref="concurrencyFilter" position="CONCURRENT_SESSION_FILTER" />
<security:custom-filter ref="loginFilter" before="FORM_LOGIN_FILTER"/>
<security:custom-filter ref="adminLoginFilter" after="FORM_LOGIN_FILTER"/>
<security:custom-filter ref="logoutFilter" before="LOGOUT_FILTER"/>
<security:custom-filter ref="adminLogoutFilter" after="LOGOUT_FILTER"/>
<!-- 如果第二次登录,阻止,并显示错误信息 -->
<security:session-management session-authentication-strategy-ref="sas"></security:session-management>
</security:http>
<bean id="loginUrlEntryPoint" class="com.spring.MyLoginUrlEntryPoint"></bean>
<!-- 前台用户登录的 begin-->
<bean id="loginFilter" class="org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter">
<property name="authenticationManager" ref="authenticationManager"/>
<property name="sessionAuthenticationStrategy" ref="sas"></property>
<property name="authenticationFailureHandler" ref="failureHandler"></property>
<property name="authenticationSuccessHandler" ref="successHandler"></property>
<property name="filterProcessesUrl" value="/j_spring_security_check"></property>
</bean>
<bean id="failureHandler" class="org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler">
<property name="defaultFailureUrl" value="/login.jsp"></property>
</bean>
<bean id="successHandler" class="org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler">
<property name="alwaysUseDefaultTargetUrl" value="true"></property>
<property name="defaultTargetUrl" value="/index.jsp"></property>
</bean>
<!-- end -->
<!-- 后台用户登录的 begin -->
<bean id="adminLoginFilter" class="org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter">
<property name="authenticationManager" ref="authenticationManager"/>
<property name="sessionAuthenticationStrategy" ref="sas"></property>
<property name="authenticationFailureHandler" ref="adminFailureHandler"></property>
<property name="authenticationSuccessHandler" ref="adminSuccessHandler"></property>
<property name="filterProcessesUrl" value="/admin/j_spring_security_check"></property>
</bean>
<bean id="adminFailureHandler" class="org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler">
<property name="defaultFailureUrl" value="/admin/login.jsp"></property>
</bean>
<bean id="adminSuccessHandler" class="org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler">
<property name="alwaysUseDefaultTargetUrl" value="true"></property>
<property name="defaultTargetUrl" value="/admin/index.jsp"></property>
</bean>
<!-- end -->
<!-- session管理 begin -->
<bean id="concurrencyFilter" class="org.springframework.security.web.session.ConcurrentSessionFilter">
<property name="sessionRegistry" ref="sessionRegistry"></property>
<property name="expiredUrl" value="/MyJsp.jsp"></property>
</bean>
<bean id="sas" class="org.springframework.security.web.authentication.session.ConcurrentSessionControlStrategy">
<constructor-arg name="sessionRegistry" ref="sessionRegistry"></constructor-arg>
<!-- 只要单个session -->
<property name="maximumSessions" value="1"></property>
</bean>
<bean id="sessionRegistry" class="org.springframework.security.core.session.SessionRegistryImpl"></bean>
<!-- end -->
<!-- login out begin-->
<bean id="logoutFilter" class="org.springframework.security.web.authentication.logout.LogoutFilter">
<constructor-arg value="/login.jsp"></constructor-arg>
<constructor-arg>
<list>
<bean class="org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler"></bean>
</list>
</constructor-arg>
<property name="filterProcessesUrl" value="/logout"></property>
</bean>
<bean id="adminLogoutFilter" class="org.springframework.security.web.authentication.logout.LogoutFilter">
<constructor-arg value="/admin/login.jsp"></constructor-arg>
<constructor-arg>
<list>
<bean class="org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler"></bean>
</list>
</constructor-arg>
<property name="filterProcessesUrl" value="/admin/logout"></property>
</bean>
<!-- end -->
<!--查询用户和用户权限 begin -->
<bean id="myaccessDecisionManager" class="com.spring.MyAccessDecisionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<security:authentication-manager alias="authenticationManager">
<security:authentication-provider>
<!-- 查询用户和对应的权限。。 -->
<security:jdbc-user-service data-source-ref="dataSource"
users-by-username-query="select u.username,u.password,u.status as enabled from users u where u.username=? "
authorities-by-username-query="select u.username, r.name as authority from dbo.user_role ur join dbo.users u
on u.id=ur.user_id join dbo.roles r on r.id=ur.role_id where u.username = ? " cache-ref="userCache"/>
</security:authentication-provider>
</security:authentication-manager>
<!-- end -->
<!-- 用户缓存 begin -->
<bean id="userCache" class="org.springframework.security.core.userdetails.cache.EhCacheBasedUserCache">
<property name="cache" ref="userEhCache"></property>
</bean>
<bean id="userEhCache" class="org.springframework.cache.ehcache.EhCacheFactoryBean">
<property name="cacheManager" ref="cacheManager"></property>
<property name="cacheName" value="userCache"></property>
</bean>
<bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean"></bean>
<!-- end -->
<!-- 消息提示 -->
<bean id="messageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename" value="classpath:org/springframework/security/messages_zh_CN" />
</bean>
</beans>
附加的连个类
1.MyAccessDecisionManager.java
package com.spring;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.apache.log4j.Logger;
import org.springframework.jdbc.core.support.JdbcDaoSupport;
import org.springframework.security.access.AccessDecisionManager;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.access.AuthorizationServiceException;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.access.SecurityConfig;
import org.springframework.security.authentication.InsufficientAuthenticationException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import com.mchange.v2.c3p0.ComboPooledDataSource;
public class MyAccessDecisionManager implements AccessDecisionManager{
private Logger logger = Logger.getLogger(MyAccessDecisionManager.class);
private ComboPooledDataSource dataSource;
public ComboPooledDataSource getDataSource() {
return dataSource;
}
public void setDataSource(ComboPooledDataSource dataSource) {
this.dataSource = dataSource;
}
@Override
public void decide(Authentication authentication, Object object,
Collection<ConfigAttribute> configAttributes) throws AccessDeniedException,
InsufficientAuthenticationException {
logger.info("当前请求:"+object.toString() );
System.out.println("来了。。。。。。。。。");
Object obj = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
UserDetails userDetails = null;
List<String> list_role= null;
//没有当前用户 --》越界访问
try {
userDetails =(UserDetails)obj;
} catch (Exception e) {
throw new AuthorizationServiceException("认证失败!");
}
Connection con =null;
PreparedStatement ps = null;
ResultSet set = null;
try {
con= dataSource.getConnection();
String sql = "select rl.name from resc_role rr join rescs re on rr.resc_id = re.id join roles rl on rr.role_id = rl.id where re.res_string = ? ";
//数据库查询对应的
ps= con.prepareStatement(sql);
ps.setString(1 , object.toString().substring( object.toString().indexOf("/") ) );
set = ps.executeQuery();
list_role = new ArrayList<String>();
while(set.next()){
list_role.add(set.getString("name") );
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}finally{
try {
if(set!=null)set.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if(set!=null) ps.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
if(set!=null) con.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
for (String string : list_role) {
//当前用户角色
for( GrantedAuthority g : userDetails.getAuthorities()){
if( g.getAuthority() .equals(string) ){
logger.info("您有权限!");
return;
}
}
}
throw new AccessDeniedException("呵呵!没有权限!");
}
@Override
public boolean supports(ConfigAttribute arg0) {
// TODO Auto-generated method stub
return true;//fan hui true
}
@Override
public boolean supports(Class<?> arg0) {
// TODO Auto-generated method stub
return true;//fanhui false
}
}
说明 :这个是传统的jdbc 没有hibernate的 那可以改下 反正要实现权限判断
2.MyLoginUrlEntryPoint.java
package com.spring;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
public class MyLoginUrlEntryPoint implements AuthenticationEntryPoint{
@Override
public void commence(HttpServletRequest request, HttpServletResponse arg1,
AuthenticationException arg2) throws IOException, ServletException {
// TODO Auto-generated method stub
String targetUrl = null;
String url = request.getRequestURI();
if(url.indexOf("admin") != -1){
//未登录而访问后台受控资源时,跳转到后台登录页面
request.setAttribute("msg", "你还未登录。。");
targetUrl = "/admin/login.jsp";
}else{
//未登录而访问前台受控资源时,跳转到前台登录页面
request.setAttribute("msg", "你还未登录。。");
targetUrl = "/login.jsp";
}
request.getRequestDispatcher((request.getContextPath() + targetUrl)).forward(request, arg1);
}
}
解决多登陆的问题
最新推荐文章于 2024-11-22 17:00:03 发布