3.CAS 客户端与SpringSecurity 集成

编程语言 2018-05-20 21:53:39 阅读次数: 5

Spring Security 测试工程搭建

（1）建立Maven 项目casclient_demo3 ，引入spring 依赖和spring secrity 相关依赖，tomcat

端口设置为9003

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>cn.itcast.demo</groupId>
  <artifactId>casclient_demo3</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  
   
  <properties>
		<spring.version>4.2.4.RELEASE</spring.version>
	</properties>

	<dependencies>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework.security</groupId>
			<artifactId>spring-security-web</artifactId>
			<version>4.1.0.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework.security</groupId>
			<artifactId>spring-security-config</artifactId>
			<version>4.1.0.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>2.5</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework.security</groupId>
			<artifactId>spring-security-cas</artifactId>
			<version>4.1.0.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.jasig.cas.client</groupId>
			<artifactId>cas-client-core</artifactId>
			<version>3.3.3</version>
			<!-- 排除 log4j 包冲突 -->
			<exclusions>
				<exclusion>
					<groupId>org.slf4j</groupId>
					<artifactId>log4j-over-slf4j</artifactId>
				</exclusion>			
			</exclusions>
		</dependency>

	</dependencies>
	<build>
	  <plugins>		
	      <!-- java编译插件 -->
		  <plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.2</version>
				<configuration>
					<source>1.7</source>
					<target>1.7</target>
					<encoding>UTF-8</encoding>
				</configuration>
		  </plugin>      
	      <plugin>
				<groupId>org.apache.tomcat.maven</groupId>
				<artifactId>tomcat7-maven-plugin</artifactId>
				<configuration>
					<!-- 指定端口 -->
					<port>9003</port>
					<!-- 请求路径 -->
					<path>/</path>
				</configuration>
	  	  </plugin>
	   </plugins>  
    </build>
  
</project>

（2）建立web.xml ,添加过滤器等配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	version="2.5">	
	
  <servlet>
  	<servlet-name>springmvc</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	<!-- 指定加载的配置文件 ，通过参数contextConfigLocation加载-->
  	<init-param>
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:springmvc-servlet.xml</param-value>
  	</init-param>
  </servlet>
  
  <servlet-mapping>
  	<servlet-name>springmvc</servlet-name>
  	<url-pattern>*.do</url-pattern>
  </servlet-mapping>
    

  	 <context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:spring-security.xml</param-value>
	 </context-param>
	 <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>
	
</web-app>

（3）创建springmvc-servlet.xml 与spring-security.xml

springmvc-servlet.xml

<?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:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">


	<context:component-scan base-package="cn.itcast.demo"/>
	<mvc:annotation-driven/>
</beans>

spring-security.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security"
	xmlns:beans="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
						http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security.xsd">
	
	
	<http pattern="/index2.html" security="none"></http> 
	<http pattern="/login_error.html" security="none"></http>
	 
	<http entry-point-ref="casProcessingFilterEntryPoint">      
        <intercept-url pattern="/**" access="hasRole('ROLE_USER')"/>        
        <custom-filter position="CAS_FILTER" ref="casAuthenticationFilter" />      
        <custom-filter ref="requestSingleLogoutFilter" before="LOGOUT_FILTER"/>  
        <custom-filter ref="singleLogoutFilter" before="CAS_FILTER"/>  
    </http>
    
    
	<authentication-manager alias="authenticationManager">
		<authentication-provider  ref="casAuthenticationProvider">
		</authentication-provider>
	</authentication-manager>
	
	
	
	<!-- This filter handles a Single Logout Request from the CAS Server  -->  
    
    <beans:bean id="singleLogoutFilter" class="org.jasig.cas.client.session.SingleSignOutFilter"/>  
        
    <beans:bean id="requestSingleLogoutFilter" class="org.springframework.security.web.authentication.logout.LogoutFilter">  
        <beans:constructor-arg value="http://localhost:9000/cas/logout?service=http://www.baidu.com"/>  
        <beans:constructor-arg>  
            <beans:bean class="org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler"/>  
        </beans:constructor-arg>  
        <beans:property name="filterProcessesUrl" value="/logout/cas"/>  
    </beans:bean>  
    
    <beans:bean id="casAuthenticationFilter" class="org.springframework.security.cas.web.CasAuthenticationFilter">  
        <beans:property name="authenticationManager" ref="authenticationManager"/>  
    </beans:bean>  
	
    <beans:bean id="casProcessingFilterEntryPoint" class="org.springframework.security.cas.web.CasAuthenticationEntryPoint">  
        <!-- 单点登录服务器登录URL -->  
        <beans:property name="loginUrl" value="http://localhost:9000/cas/login"/>  
        <beans:property name="serviceProperties" ref="serviceProperties"/>  
    </beans:bean>  
    
	<beans:bean id="userDetailsService" class="cn.itcast.demo.UserDetailServiceImpl"/>  
	
	<beans:bean id="casAuthenticationProvider"     class="org.springframework.security.cas.authentication.CasAuthenticationProvider">  
        <beans:property name="authenticationUserDetailsService">  
            <beans:bean class="org.springframework.security.core.userdetails.UserDetailsByNameServiceWrapper">  
                <beans:constructor-arg ref="userDetailsService" />  
            </beans:bean>  
        </beans:property>  
        <beans:property name="serviceProperties" ref="serviceProperties"/>  
        <beans:property name="ticketValidator">  
            <beans:bean class="org.jasig.cas.client.validation.Cas20ServiceTicketValidator">  
                <beans:constructor-arg index="0" value="http://localhost:9000/cas"/>  
            </beans:bean>  
        </beans:property>  
        <beans:property name="key" value="an_id_for_this_auth_provider_only"/>  
    </beans:bean>  
	<beans:bean id="serviceProperties" class="org.springframework.security.cas.ServiceProperties">  
        <!--[login/cas]是Spring Security 4.0后修改的地址、跟3.X版本完全不同、请勿修改-->  
        <beans:property name="service" value="http://localhost:9003/login/cas"/>
        <beans:property name="sendRenew" value="false"/>  
    </beans:bean>  
</beans:beans>

（4）添加html 页面

（5）自定义认证类UserDetailServiceImpl.java

package cn.itcast.demo;

import java.util.ArrayList;
import java.util.List;

import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
/**
 * 认证类
 * @author Administrator
 *
 */
public class UserDetailServiceImpl implements UserDetailsService {

	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
		System.out.println("username:"+username);
		//构建角色集合
		List<GrantedAuthority> authorities=new ArrayList();
		authorities.add(new SimpleGrantedAuthority("ROLE_USER"));
	
		return new User(username, ""  , authorities);
		
		
	}

}
访问controller控制台打印当前用户名称 
package cn.itcast.demo;

import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class UserController {

	@RequestMapping("/showName")
	public void showName(){
		//获得当前登录用户
		String name = SecurityContextHolder.getContext().getAuthentication().getName();
		System.out.println("---当前登录用户："+name);
	}
	
}

地址栏输入http://localhost:9003/findLoginUser.do 即可在控制台看到输出的登录名。

退出登录

在页面上添加链接

<a href="/logout/cas">退出登录</a>

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