CAS客户端与SpringSecurity集成

最新推荐文章于 2022-07-13 16:06:49 发布

Monameng

最新推荐文章于 2022-07-13 16:06:49 发布

阅读量269

点赞数

分类专栏： Java基础

本文链接：https://blog.youkuaiyun.com/weixin_40618648/article/details/102338371

版权

Java基础专栏收录该内容

18 篇文章

订阅专栏

本文详细介绍如何在Maven项目中集成CAS客户端与SpringSecurity，包括配置Maven依赖、搭建测试工程、设置web.xml和spring-security.xml，以及实现单点登录和登出等功能。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

CAS客户端与SpringSecurity集成

参考前两篇文章：

https://mp.youkuaiyun.com/postedit/102336008

https://mp.youkuaiyun.com/postedit/102216238

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

（2）建立web.xml ,添加过滤器等配置

（3）创建配置文件spring-security.xml

（4）添加html页面

<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>cas_client_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>
			<exclusions><!-- 做排除  -->
				<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>

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">

	<!-- entry-point-ref 入口点引用 -->
	<http use-expressions="false"
		entry-point-ref="casProcessingFilterEntryPoint">
		<intercept-url pattern="/**" access="ROLE_USER" />
		<csrf disabled="true" />
		<!-- custom-filter为过滤器， position 表示将过滤器放在指定的位置上，before表示放在指定位置之前 ，after表示放在指定的位置之后 -->
		<custom-filter ref="casAuthenticationFilter"
			position="CAS_FILTER" />
		<custom-filter ref="requestSingleLogoutFilter"
			before="LOGOUT_FILTER" />
		<custom-filter ref="singleLogoutFilter"
			before="CAS_FILTER" />
	</http>

	<!-- CAS入口点 开始 -->
	<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:9100/cas/login" />
		<beans:property name="serviceProperties"
			ref="serviceProperties" />
	</beans:bean>
	<beans:bean id="serviceProperties"
		class="org.springframework.security.cas.ServiceProperties">
		<!--service 配置自身工程的根地址+/login/cas -->
		<beans:property name="service"
			value="http://localhost:9003/login/cas" />
	</beans:bean>
	<!-- CAS入口点 结束 -->


	<!-- 认证过滤器 开始 -->
	<beans:bean id="casAuthenticationFilter"
		class="org.springframework.security.cas.web.CasAuthenticationFilter">
		<beans:property name="authenticationManager"
			ref="authenticationManager" />
	</beans:bean>
	<!-- 认证管理器 -->
	<authentication-manager
		alias="authenticationManager">
		<authentication-provider
			ref="casAuthenticationProvider">
		</authentication-provider>
	</authentication-manager>
	<!-- 认证提供者 -->
	<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" />
		<!-- ticketValidator 为票据验证器 -->
		<beans:property name="ticketValidator">
			<beans:bean
				class="org.jasig.cas.client.validation.Cas20ServiceTicketValidator">
				<beans:constructor-arg index="0"
					value="http://localhost:9100/cas" />
			</beans:bean>
		</beans:property>
		<beans:property name="key"
			value="an_id_for_this_auth_provider_only" />
	</beans:bean>
	<!-- 认证类 -->
	<beans:bean id="userDetailsService"
		class="cn.itcast.demo.service.UserDetailServiceImpl" />

	<!-- 认证过滤器 结束 -->


	<!-- 单点登出 开始 -->
	<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:9100/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>
	<!-- 单点登出 结束 -->

</beans:beans>

web.xml

<?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">

	<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>  <!-- 这个名称 是Spring Security设定的，不能改变，改变则不能访问了-->
		<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>

index.xml

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
欢迎进入神奇的spring security世界~~~
</body>
</html>

log.xml

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>登录</title>
</head>
<body>

--欢迎登录我的系统--

<form action="/login" method="post">
	用户名：<input name="username"><br>
	密码：<input name="password"><br>
	<button>登录</button>
</form>

</body>
</html>

log_error.xml

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
欢迎进入神奇的spring security世界~~~
</body>
</html>

定义包：cn.itcast.demo.service

UserDetailServiceImpl

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

import org.springframework.security.core.GrantedAuthority;
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;

public class UserDetailServiceImpl implements UserDetailsService {

	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
		System.out.println("经过认证类  " + username);
		List<GrantedAuthority> authorities = new ArrayList();
		return new User(username, "", authorities);
	}
	
}