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/** * @see ------------------------------------------------------------------------------------------------------------------------ * @see CAS服务端通过数据库认证用户 * @see 实现方式有两种,一是自己写数据库获取用户名密码再认证的类,一是借助CAS-4.0.3自带的JDBC支持来实现认证,下面分别介绍 * @see 【自己写认证类(推荐)】 * @see 1.之前我们知道CSA-4.0.3的默认登录用户密码是配置在deployerConfigContext.xml,所以到deployerConfigContext.xml里面找 * @see 找到<bean id="primaryAuthenticationHandler" class="org.jasig.cas.authentication.AcceptUsersAuthenticationHandler"> * @see 我们在AcceptUsersAuthenticationHandler.java中发现CAS是把配置的用户密码读取到全局Map<String, String>中的 * @see 2.而AcceptUsersAuthenticationHandler.java是通过继承AbstractUsernamePasswordAuthenticationHandler.java才实现的认证 * @see 所以创建com.msxf.sso.authentication.UserAuthenticationHandler extends AbstractUsernamePasswordAuthenticationHandler * @see 然后重写authenticateUsernamePasswordInternal()方法,在里面获取到前台页面输入的用户密码,再到数据库中校验就行了 * @see 3.接下来创建\WEB-INF\spring-configuration\applicationContext-datasource.xml,它会在启动时被自动加载(web.xml中设定的) * @see 在applicationContext-datasource.xml中配置数据库连接池,连接池的用户名密码等可以配置在\WEB-INF\cas.properties * @see 同时增加<context:component-scan base-package="com.msxf.sso"/>使得可以在自定义类中应用Spring注解 * @see 4.新建一个UserDaoJdbc.java类,通过它利用Spring JDBC Template访问数据库 * @see 因为要连接数据库,所以还要把druid-1.0.14.jar和mysql-connector-java-5.1.35.jar加入到lib目录中 * @see 5.最后记得deployerConfigContext.xml把这段Bean配置给注释掉<bean id="primaryAuthenticationHandler"> * @see 并在我们自定义的UserAuthenticationHandler.java中使用@Component(value="primaryAuthenticationHandler")声明其为Bean * @see 注意其名字应该是primaryAuthenticationHandler,因为deployerConfigContext.xml的其它配置引用了primaryAuthenticationHandler * @see 否则你还要找到引用了primaryAuthenticationHandler的位置修改为新的Bean * @see 【cas-server-support-jdbc-4.0.3.jar】 * @see 1.这一种方式就简单一些了,先引入c3p0-0.9.1.2.jar和cas-server-support-jdbc-4.0.3.jar * @see 2.修改deployerConfigContext.xml,注释掉<bean id="primaryAuthenticationHandler"> * @see 并增加<bean id="dataSource"><bean id="passwordEncoder"><bean id="mssoUsersAuthenticationHandler">(下方会贴出具体代码) * @see 同样这里也是从cas.properties读取的数据库连接用户密码 * @see 3.由于在认证过程中是通过<bean id="authenticationManager">引用了<bean id="primaryAuthenticationHandler">来实现的 * @see 所以修改这里的primaryAuthenticationHandler为我们新建的mssoUsersAuthenticationHandler * @see 4.通过查看org.jasig.cas.adaptors.jdbc.QueryDatabaseAuthenticationHandler源码会发现 * @see 这种方式与上面自己写认证类的方式,原理是一样的,都是直接或间接的扩展AbstractUsernamePasswordAuthenticationHandler * @see ------------------------------------------------------------------------------------------------------------------------ * @create 2015-7-18 上午10:00:39 * @author 玄玉<http://blog.csdn.net/jadyer> */
下面是自定义的UserDaoJdbc.java
package com.msxf.sso.authentication; import javax.annotation.Resource; import javax.sql.DataSource; import org.springframework.dao.EmptyResultDataAccessException; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.stereotype.Repository; @Repository public class UserDaoJdbc { private static final String SQL_VERIFY_ACCOUNT = "SELECT COUNT(*) FROM permission_operator WHERE operator_login=? AND operator_pwd=SHA1(?)"; private JdbcTemplate jdbcTemplate; @Resource public void setDataSource(DataSource dataSource){ this.jdbcTemplate = new JdbcTemplate(dataSource); } /** * 验证用户名和密码是否正确 * @create 2015-7-17 下午3:56:54 * @author 玄玉<http://blog.csdn.net/jadyer> */ public boolean verifyAccount(String username, String password){ try{ return 1==this.jdbcTemplate.queryForObject(SQL_VERIFY_ACCOUNT, new Object[]{username, password}, Integer.class); }catch(EmptyResultDataAccessException e){ return false; } } }
下面是自定义的认证类UserAuthenticationHandler.java
package com.msxf.sso.authentication; import java.security.GeneralSecurityException; import javax.annotation.Resource; import javax.security.auth.login.FailedLoginException; import org.jasig.cas.authentication.HandlerResult; import org.jasig.cas.authentication.PreventedException; import org.jasig.cas.authentication.UsernamePasswordCredential; import org.jasig.cas.authentication.handler.support.AbstractUsernamePasswordAuthenticationHandler; import org.jasig.cas.authentication.principal.SimplePrincipal; import org.springframework.stereotype.Component; /** * 自定义的用户登录认证类 * @create 2015-7-17 下午3:48:44 * @author 玄玉<http://blog.csdn.net/jadyer> */ @Component(value="primaryAuthenticationHandler") public class UserAuthenticationHandler extends AbstractUsernamePasswordAuthenticationHandler { @Resource private UserDaoJdbc userDaoJdbc; /** * 认证用户名和密码是否正确 * @see UsernamePasswordCredential参数包含了前台页面输入的用户信息 */ @Override protected HandlerResult authenticateUsernamePasswordInternal(UsernamePasswordCredential transformedCredential) throws GeneralSecurityException, PreventedException { String username = transformedCredential.getUsername(); String password = transformedCredential.getPassword(); if(userDaoJdbc.verifyAccount(username, password)){ return createHandlerResult(transformedCredential, new SimplePrincipal(username), null); } throw new FailedLoginException(); } }
下面是新创建的\WEB-INF\spring-configuration\applicationContext-datasource.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:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd"> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <property name="url" value="${jdbc.url}"/> <property name="username" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> <!-- 配置初始化大小、最小、最大 --> <property name="initialSize" value="1"/> <property name="minIdle" value="1"/> <property name="maxActive" value="20"/> <!-- 配置获取连接等待超时的时间 --> <property name="maxWait" value="60000"/> <!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 --> <property name="timeBetweenEvictionRunsMillis" value="60000"/> <!-- 配置一个连接在池中最小生存的时间,单位是毫秒 --> <property name="minEvictableIdleTimeMillis" value="300000"/> <property name="validationQuery" value="SELECT 'x'"/> <property name="testWhileIdle" value="true"/> <property name="testOnBorrow" value="false"/> <property name="testOnReturn" value="false"/> <!-- 打开PSCache,并且指定每个连接上PSCache的大小 --> <!-- PSCache(preparedStatement)对支持游标的数据库性能提升巨大,比如说Oracle/DB2/SQL Server,在mysql下建议关闭 --> <property name="poolPreparedStatements" value="false"/> <property name="maxPoolPreparedStatementPerConnectionSize" value="-1"/> <!-- 配置监控统计拦截的filters --> <property name="filters" value="wall,mergeStat"/> </bean> <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <tx:annotation-driven transaction-manager="txManager"/> <context:component-scan base-package="com.msxf.sso"/> </beans>
下面是cas.properties中新添加的数据库元信息的配置
#<<数据库元信息>> jdbc.url=jdbc:mysql://192.168.2.41:3306/turtle?useUnicode=true&characterEncoding=UTF8&zeroDateTimeBehavior=convertToNull&autoReconnect=true&failOverReadOnly=false&maxReconnects=10 jdbc.username=turtle jdbc.password=turtle
最后是deployerConfigContext.xml中的改动部分
<!-- 下面是采用cas-server-support-jdbc-4.0.3.jar实现数据库认证的Bean配置 --> <!-- 配置数据源、声明密码加密方式、指定用户名密码的认证器 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" p:driverClass="com.mysql.jdbc.Driver" p:jdbcUrl="${jdbc.url}" p:user="${jdbc.username}" p:password="${jdbc.password}"/> <bean id="passwordEncoder" class="org.jasig.cas.authentication.handler.DefaultPasswordEncoder" c:encodingAlgorithm="SHA1" p:characterEncoding="UTF-8"/> <bean id="mssoUsersAuthenticationHandler" class="org.jasig.cas.adaptors.jdbc.QueryDatabaseAuthenticationHandler" p:dataSource-ref="dataSource" p:passwordEncoder-ref="passwordEncoder" p:sql="SELECT operator_pwd FROM permission_operator WHERE operator_login=?"/> --> <bean id="authenticationManager" class="org.jasig.cas.authentication.PolicyBasedAuthenticationManager"> <constructor-arg> <map> <entry key-ref="proxyAuthenticationHandler" value-ref="proxyPrincipalResolver" /> <entry key-ref="primaryAuthenticationHandler" value-ref="primaryPrincipalResolver" /> <!-- 下面是采用cas-server-support-jdbc-4.0.3.jar实现数据库认证的Bean声明 --> <!-- <entry key-ref="mssoUsersAuthenticationHandler" value-ref="primaryPrincipalResolver" /> --> </map> </constructor-arg> <property name="authenticationPolicy"> <bean class="org.jasig.cas.authentication.AnyAuthenticationPolicy" /> </property> </bean> <!-- 取消默认的用户名和密码,改为我们自己从数据库查询的用户名和密码 --> <!-- <bean id="primaryAuthenticationHandler" class="org.jasig.cas.authentication.AcceptUsersAuthenticationHandler"> <property name="users"> <map> <entry key="xuanyu" value="xuanyu"/> </map> </property> </bean> -->
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时间: 2024-10-13 07:35:10