SSO之CAS整合SpringSecurity
阿新 • • 發佈：2018-12-19
前言：
關於CAS的客戶端搭建配置以及服務端的部署配置請參考前面文章。
一：引入CAS與SpringSecurity的Jar
<properties> <spring.version>4.2.4.RELEASE</spring.version> </properties> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jms</artifactId> <version>${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> <!--安全框架security--> <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> <!--cas與springSecurity整合--> <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> <!--依賴排除log4j--> <exclusions> <exclusion> <groupId>org.slf4j</groupId> <artifactId>log4j-over-slf4j</artifactId> </exclusion> </exclusions> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.3.2</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <version>2.2</version> <configuration> <!-- 指定埠 --> <port>9113</port> <!-- 請求路徑 --> <path>/</path> </configuration> </plugin> </plugins> </build>
二：web.xml增加SpringSecurity過濾器鏈配置
<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> <!--springsecurity的過濾器鏈--> <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> <!-- 解決post亂碼 --> <filter> <filter-name>CharacterEncodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>utf-8</param-value> </init-param> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!--springmvc的前端控制器--> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 指定載入的配置檔案 ，通過引數contextConfigLocation載入--> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:springmvc.xml</param-value> </init-param> <load-on-startup>2</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping>
三：SpringSecurity配置檔案
<?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"> <!--1.不攔截資源和路徑配置--> <http pattern="/index2.jsp" security="none"></http> <!-- entry-point-ref 入口點引用 --> <http use-expressions="false" entry-point-ref="casProcessingFilterEntryPoint"> <intercept-url pattern="/**" access="ROLE_USER"/> <csrf disabled="true"/> <!-- custom-filter為過濾器， position 表示將過濾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後 --> <custom-filter ref="casAuthenticationFilter" position="CAS_FILTER" /> <custom-filter ref="requestSingleLogoutFilter" before="LOGOUT_FILTER"/> <custom-filter ref="singleLogoutFilter" before="CAS_FILTER"/> </http> <!-- CAS入口點 開始 --> <beans:bean id="casProcessingFilterEntryPoint" class="org.springframework.security.cas.web.CasAuthenticationEntryPoint"> <!-- 單點登入伺服器登入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:9113/login/cas"/> </beans:bean> <!-- CAS入口點 結束 --> <!-- 認證過濾器 開始 --> <beans:bean id="casAuthenticationFilter" class="org.springframework.security.cas.web.CasAuthenticationFilter"> <beans:property name="authenticationManager" ref="authenticationManager"/> </beans:bean> <!-- 認證管理器 --> <authentication-manager alias="authenticationManager"> <authentication-provider ref="casAuthenticationProvider"> </authentication-provider> </authentication-manager> <!-- 認證提供者 --> <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 為票據驗證器 --> <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> <!-- 認證類 --> <beans:bean id="userDetailsService" class="com.xucj.demo.service.UserDetailsServiceImpl"/> <!-- 認證過濾器 結束 --> <!-- 單點登出 開始 --> <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://localhost:9113/index.jsp"/> <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> <!-- 單點登出 結束 --> </beans:beans>
com.xucj.demo.service包下的自定義認證類：
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;
import java.util.ArrayList;
import java.util.List;
/**
* 自定義認證類
*/
public class UserDetailsServiceImpl implements UserDetailsService{
/*
*@Desc 自定義認證類，主要是查詢資料庫，返回使用者資訊
*@param username 認證管理器收集的頁面上的使用者名稱
*@return org.springframework.security.core.userdetails.UserDetails
**/
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
//查詢資料庫
//使用者必須存在，並且狀態必須是稽核通過
//1 username 2 password 3.許可權列表
List<GrantedAuthority> authorities = new ArrayList<>();//許可權列表
GrantedAuthority authority = new SimpleGrantedAuthority("ROLE_SELLER");//許可權物件
GrantedAuthority authority2 = new SimpleGrantedAuthority("ROLE_USER");//許可權物件
authorities.add(authority);
authorities.add(authority2);
return new User(username,"",authorities);
}
}五：測試
新建index.jsp和index2.jsp，根據上面四的配置得知，index2.jsp不登入也不會被攔截，如下：
啟動專案，訪問：http://localhost:9113/可以跳轉到自定義的登入頁面，
根據四的配置可知，退出的路徑：/logout/cas
登出後跳轉到的路徑：http://localhost:9113/index.jsp