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SpringSecurity3.X--前台与后台登录认证

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目录

SpringSecurity3.X--一个简单实现

SpringSecurity3.X--前台与后台登录认证

SpringSecurity3.X--remember-me

SpringSecurity3.X--验证码

 

前面给出了一个简单的应用

SpringSecurity3.X--一个简单实现

 

不过一般我们在管理系统时都会分前台与后台,也就是说,前台与后台的登录入口与注销地址都是不一样的,那么该如何使用SpringSecurity实现呢,参考了一些网络上的例子,将之前的小应用做了如下修改:

applicationContext-security.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:util="http://www.springframework.org/schema/util" xmlns:mvc="http://www.springframework.org/schema/mvc"
	xmlns:tool="http://www.springframework.org/schema/tool" xmlns:beans="http://www.springframework.org/schema/beans"
	xsi:schemaLocation="
			http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
			http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
			http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
			http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.0.xsd
			http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
			http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd
			http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
			http://www.springframework.org/schema/tool http://www.springframework.org/schema/tool/spring-tool-3.0.xsd
			http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.1.xsd"
	default-lazy-init="true">

	<!-- 不需要进行认证的资源,3.0之后才改为这样配置 -->  
	<http security="none" pattern="/**/login.do" />

 	<!-- 因为要使用自己的权限验证规则,所以这里要配置access-decision-manager-ref  
     	    实际上,我只是在accessDecisionManager中增加了一个投票器,其它的属性都比较简单,不多说了 -->  
     	    <!-- 另外,为了实现前后台访问使用不同的登录地址,这里增加了一个entry-point-ref-->
	<http entry-point-ref="loginUrlEntryPoint" access-decision-manager-ref="accessDecisionManager" access-denied-page="/notaccess.jsp">		
		<intercept-url pattern="/demo.do*" access="IS_AUTHENTICATED_REMEMBERED" />
		<!-- 后台地址拦截 -->
		<intercept-url pattern="/admin/**/*.do*" access="AD_HODLE" />
		<!-- 前台地址拦截 -->
		<intercept-url pattern="/**/*.do*" access="HODLE" />
					
		<session-management>
			<concurrency-control max-sessions="1" />
		</session-management>
		
		<!-- 登录过滤器 -->
        <custom-filter before="FORM_LOGIN_FILTER" ref="loginFilter"/>
        <custom-filter position="FORM_LOGIN_FILTER" ref="adminLoginFilter"/>

        <!-- 注销过滤器 -->
        <custom-filter before="LOGOUT_FILTER" ref="logoutFilter"/>
        <custom-filter position="LOGOUT_FILTER" ref="adminLogoutFilter"/>
	</http>
	
	<!-- 认证切入点,这里使用它的目的是保证当用户登录之前就访问前后台时,会跳转到不同的登录页面 -->
	<beans:bean id="loginUrlEntryPoint" class="com.piaoyi.common.security.LoginUrlEntryPoint" />
	
	<!-- 登录过滤器,验证前台用户 --> 
      <beans:bean id="loginFilter"    
            class="org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter">
           <beans:property name="authenticationManager" ref="authenticationManager"/>
           <beans:property name="authenticationFailureHandler" ref="failureHandler"/>
           <beans:property name="authenticationSuccessHandler" ref="successHandler"/>
           <beans:property name="filterProcessesUrl" value="/j_spring_security_check"/>
      </beans:bean>

      <beans:bean id="failureHandler"
             class="org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler">
            <beans:property name="defaultFailureUrl" value="/login.do?login_error=1" />
       </beans:bean>

       <beans:bean id="successHandler"
              class="org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler">
             <beans:property name="alwaysUseDefaultTargetUrl" value="true"/>
             <beans:property name="defaultTargetUrl" value="/demo.do"/>
       </beans:bean>
       
       <!-- 登录过滤器,验证后台用户 --> 
       <beans:bean id="adminLoginFilter"
               class="org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter">
               <beans:property name="authenticationManager" ref="authenticationManager"/>
               <beans:property name="authenticationFailureHandler" ref="adminFailureHandler"/>
               <beans:property name="authenticationSuccessHandler" ref="adminSuccessHandler"/>
               <beans:property name="filterProcessesUrl" value="/admin/j_spring_security_check"/>
        </beans:bean>

        <beans:bean id="adminFailureHandler" 
                class="org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler">
               <beans:property name="defaultFailureUrl" value="/admin/login.do?login_error=1" />
        </beans:bean>

        <beans:bean id="adminSuccessHandler" 
                class="org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler">
                <beans:property name="alwaysUseDefaultTargetUrl" value="true"/>
                <beans:property name="defaultTargetUrl" value="/admin/frame.do"/>
        </beans:bean>
        
        
    <!-- 注销过滤器,完成前台用户注销时的定向功能 -->
    <beans:bean id="logoutFilter" class="org.springframework.security.web.authentication.logout.LogoutFilter">
        <beans:constructor-arg value="/login.do" />
        <beans:constructor-arg>
            <beans:list>
                <beans:bean class="org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler" />
            </beans:list>
        </beans:constructor-arg>
        <beans:property name="filterProcessesUrl" value="/j_spring_security_logout" />
    </beans:bean>
    
    <!-- 注销过滤器,完成后台用户注销时的定向功能 -->
    <beans:bean id="adminLogoutFilter" class="org.springframework.security.web.authentication.logout.LogoutFilter">
        <beans:constructor-arg value="/admin/login.do" />
        <beans:constructor-arg>
            <beans:list>
                <beans:bean class="org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler" />
            </beans:list>
        </beans:constructor-arg>
        <beans:property name="filterProcessesUrl" value="/admin/j_spring_security_logout" />
    </beans:bean>



	<!-- Automatically receives AuthenticationEvent messages -->
	<beans:bean id="loggerListener"
		class="org.springframework.security.authentication.event.LoggerListener" />

	 <!-- 认证管理器,使用自定义的UserDetailsService,并对密码采用md5加密-->  
	<authentication-manager alias="authenticationManager">
		<authentication-provider user-service-ref="userService">
			<password-encoder hash="md5" />
		</authentication-provider>
	</authentication-manager>
	
	

	<beans:bean id="userService" class="com.piaoyi.common.security.UserService" />
	
	<!-- 访问决策管理器,这里使用AffirmativeBased,并加入一个自定义的投票器DynamicRoleVoter -->   
	<beans:bean id="accessDecisionManager"
		class="org.springframework.security.access.vote.AffirmativeBased">
		<beans:property name="decisionVoters">
			<beans:list>
				<beans:bean class="org.springframework.security.access.vote.RoleVoter" />
				<beans:bean
					class="org.springframework.security.access.vote.AuthenticatedVoter" />
				<beans:bean class="com.piaoyi.common.security.DynamicRoleVoter" />
			</beans:list>
		</beans:property>
	</beans:bean>
</beans:beans>

说明:

1.为了实现不同的登录验证,这里显示声明了登录过滤器与注销过滤器,并指定相应过滤器的位置。

2.因为我们自己来指定了登录过滤器与注销过滤器,所以就不能在<http>中设置auto-config="true"

3.为了区分开不同的登录页面,就需要在<http>中配置认证切入点“entry-point-ref”,认证切入点的作用是当请求被拦截时该如何处理,这里处理为跳转到各自的登录页面

4.这里理想化的将前台用户与后台用户都使用同一个userService进行管理,即表示都存储在同一张用户表中,对于前后台用户不在同一张表中的处理,笔者也在研究中。

 

LoginUrlEntryPoint.java

public class LoginUrlEntryPoint implements AuthenticationEntryPoint {

    public void commence(HttpServletRequest request, HttpServletResponse response,
              AuthenticationException authException) throws IOException, ServletException {
        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
            targetUrl = "/admin/login.do";
        }else{
            //未登录而访问前台受控资源时,跳转到前台登录页面
            targetUrl = "/login.do";
        }
  
        targetUrl = request.getContextPath() + targetUrl;
        response.sendRedirect(targetUrl);
    }

}

  参考地址:http://zhousl.koo.blog.163.com/blog/static/7136380420113208174680/

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评论
3 楼 hekf2020 2015-06-08  
你好,能不能提供源代码看看嘛
2 楼 gaoyoubo 2013-06-25  
您好, 看了你的文章,我有一个疑问。
<!-- 登录过滤器 --> 
        <custom-filter before="FORM_LOGIN_FILTER" ref="loginFilter"/> 
        <custom-filter position="FORM_LOGIN_FILTER" ref="adminLoginFilter"/> 
 
        <!-- 注销过滤器 --> 
        <custom-filter before="LOGOUT_FILTER" ref="logoutFilter"/> 
        <custom-filter position="LOGOUT_FILTER" ref="adminLogoutFilter"/> 


这么配置的话,我们程序在执行的时候怎么判断该调用前台登录过滤器、还是后台登录过滤器呢?  注销操作也是一样,怎么来判断呢? 盼回复! 谢谢!  
1 楼 zjjzfxj 2011-11-13  
4.这里理想化的将前台用户与后台用户都使用同一个userService进行管理,即表示都存储在同一张用户表中,对于前后台用户不在同一张表中的处理,笔者也在研究中。
   猜想,关于2张表的想法,能不能从userService里解决。毕竟用户的信息还是通过这里获取的,然后才当前需要的权限进行比较~

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