智销功能_Shiro权限框架
Shiro是什么？
Spring security 重量级安全框架
Apache shiro 轻量级安全框架
Shiro是一个强大且易用的Java权限框架
四大基石
身份验证，授权，密码学，会话管理
/**
* String algorithmName, Object source, Object salt, int hashIterations)
* 第一个参数algorithmName:加密算法名称
* 第二个参数source:加密原密码
* 第三个参数salt:盐值
* 第四个参数hashIterations:加密次数
*/
SimpleHash hash = new SimpleHash("MD5","123456","itsource",10);
System.out.println(hash.toHex());
4.自定义Realm
继承AuthorizingRealm
实现两个方法：doGetAuthorizationInfo(授权) /doGetAuthenticationInfo(登录认证)
//身份认证
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
//1.拿用户名与密码
UsernamePasswordToken token = (UsernamePasswordToken)authenticationToken;
String username = token.getUsername();
//2.根据用户名拿对应的密码
String password = getByName(username);
if(password==null){
return null; //返回空代表用户名有问题
}
//返回认证信息
//准备盐值
ByteSource salt = ByteSource.Util.bytes("itsource");
//密码是shiro自己进行判断
SimpleAuthenticationInfo authenticationInfo = new SimpleAuthenticationInfo(username,password,salt,getName());
return authenticationInfo;
}
//授权
@Override
protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
//拿到用户名 Principal:主体(用户对象/用户名)
String username = (String)principalCollection.getPrimaryPrincipal();
//拿到角色
Set<String> roles = findRolesBy(username);
//拿到权限
Set<String> permis = findPermsBy(username);
//把角色权限交给用户
SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
authorizationInfo.setRoles(roles);
authorizationInfo.setStringPermissions(permis);
return authorizationInfo;
}
注意:如果我们的密码加密，应该怎么判断(匹配器)
//一.创建我们自己的Realm
MyRealm myRealm = new MyRealm();
//创建一个凭证匹配器(无法设置盐值)
HashedCredentialsMatcher matcher = new HashedCredentialsMatcher();
// 使用MD5的方式比较密码
matcher.setHashAlgorithmName("md5");
// 设置编码的迭代次数
matcher.setHashIterations(10);
//设置凭证匹配器(加密方式匹配)
myRealm.setCredentialsMatcher(matcher);
5.集成Spring
去找：shiro-root-1.4.0-RC2\samples\spring
5.1 导包
<!-- shiro的支持包 -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-all</artifactId>
<version>1.4.0</version>
<type>pom</type>
</dependency>
<!-- shiro与Spring的集成包 -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring</artifactId>
<version>1.4.0</version>
</dependency>
5.2 web.xml
这个过滤器是一个代码(只关注它的名称)
<filter>
<filter-name>shiroFilter</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
<init-param>
<param-name>targetFilterLifecycle</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>shiroFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
5.3 application-shiro.xml
在咱们的application引入
<import resource="classpath:applicationContext-shiro.xml" />
是从案例中拷备过来，进行了相应的修改
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="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-3.0.xsd">
<!-- 创建securityManager这个核心对象 -->
<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
<!-- 设置一个realm进去 -->
<property name="realm" ref="jpaRealm"/>
</bean>
<!-- 被引用的realm(一定会写一个自定义realm) -->
<bean id="jpaRealm" class="cn.itsource.aisell.shiro.JpaRealm">
<!-- 为这个realm设置相应的匹配器 -->
<property name="credentialsMatcher">
<bean class="org.apache.shiro.authc.credential.HashedCredentialsMatcher">
<!-- 设置加密方式 -->
<property name="hashAlgorithmName" value="md5"/>
<!-- 设置加密次数 -->
<property name="hashIterations" value="10" />
</bean>
</property>
</bean>
<!-- 可以让咱们的权限判断支持【注解】方法 -->
<bean id="lifecycleBeanPostProcessor" class="org.apache.shiro.spring.LifecycleBeanPostProcessor"/>
<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"
depends-on="lifecycleBeanPostProcessor"/>
<bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor">
<property name="securityManager" ref="securityManager"/>
</bean>
<!-- 真正实现权限的过滤器 它的id名称和web.xml中的过滤器名称一样 -->
<bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
<property name="securityManager" ref="securityManager"/>
<!-- 登录路径:如果没有登录，就会跳到这里来 -->
<property name="loginUrl" value="/s/login.jsp"/>
<!-- 登录成功后的跳转路径 -->
<property name="successUrl" value="/s/main.jsp"/>
<!-- 没有权限跳转的路径 -->
<property name="unauthorizedUrl" value="/s/unauthorized.jsp"/>
<!--
anon:这个路径不需要登录也可以访问
authc:需要登录才可以访问
perms[depts:index]:做权限拦截
咱们以后哪些访问有权限拦截,需要从数据库中读取
-->
<!--
<property name="filterChainDefinitions">
<value>
/s/login.jsp = anon
/login = anon
/s/permission.jsp = perms[user:index]
/depts/index = perms[depts:index]
/** = authc
</value>
</property>
-->
<property name="filterChainDefinitionMap" ref="filterChainDefinitionMap" />
</bean>
<!-- 实例工厂设置 -->
<bean id="filterChainDefinitionMap"
factory-bean="filterChainDefinitionMapFactory"
factory-method="createFilterChainDefinitionMap" />
<!-- 创建可以拿到权限map的bean -->
<bean id="filterChainDefinitionMapFactory" class="cn.itsource.aisell.shiro.FilterChainDefinitionMapFactory" />
</beans>
5.4 获取Map过滤
注意，返回的Map必需是有序的（LinkedHashMap）
public class FilterChainDefinitionMapFactory {
/**
* 后面这个值会从数据库中来拿
* /s/login.jsp = anon
* /login = anon
* /s/permission.jsp = perms[user:index]
* /depts/index = perms[depts:index]
* /** = authc
*/
public Map<String,String> createFilterChainDefinitionMap(){
//注:LinkedHashMap是有序的
Map<String,String> filterChainDefinitionMap = new LinkedHashMap<>();
filterChainDefinitionMap.put("/s/login.jsp", "anon");
filterChainDefinitionMap.put("/login", "anon");
filterChainDefinitionMap.put("/s/permission.jsp", "perms[user:index]");
filterChainDefinitionMap.put("/depts/index", "perms[depts:index]");
filterChainDefinitionMap.put("/**", "authc");
return filterChainDefinitionMap;
}
}
