基于Spring框架的Shiro配置

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一、在web.xml中添加shiro过滤器

Xml代码

<!-- Shiro filter-->  
<filter>  
    <filter-name>shiroFilter</filter-name>  
    <filter-class>  
        org.springframework.web.filter.DelegatingFilterProxy  
    </filter-class>  
</filter>  
<filter-mapping>  
    <filter-name>shiroFilter</filter-name>  
    <url-pattern>/*</url-pattern>  
</filter-mapping>  

二、在Spring的applicationContext.xml中添加shiro配置
1、添加shiroFilter定义，此id的定义必须和web.xml中<filter-mapping>下的filter-name保存一致。

<!-- Shiro Filter -->  
<bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">  
    <property name="securityManager" ref="securityManager" />  
    <property name="loginUrl" value="/login" />  
    <property name="successUrl" value="/user/list" />  
    <property name="unauthorizedUrl" value="/login" />  
    <property name="filterChainDefinitions">  
        <value>  
            /login = anon  
            /user/** = authc  
            /role/edit/* = perms[role:edit]  
            /role/save = perms[role:edit]  
            /role/list = perms[role:view]  
            /** = authc  
        </value>  
    </property>  
</bean>  

2、添加securityManager定义

<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">  
    <property name="realm" ref="myRealm" />  
</bean>  

3、添加realm定义

<bean id=" myRealm" class="com...MyRealm" />  

三、实现MyRealm：继承AuthorizingRealm，并重写认证授权方法

public class MyRealm extends AuthorizingRealm{
private AccountManager accountManager;
public void setAccountManager(AccountManager accountManager) {
this.accountManager = accountManager;
}
授权信息
protected AuthorizationInfo doGetAuthorizationInfo(
PrincipalCollection principals) {
String username=(String)principals.fromRealm(getName()).iterator().next();
if( username != null ){
User user = accountManager.get( username );
if( user != null && user.getRoles() != null ){
SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
for( SecurityRole each: user.getRoles() ){
info.addRole(each.getName());
info.addStringPermissions(each.getPermissionsAsString());
}
return info;
}
}
return null;
}
认证信息
protected AuthenticationInfo doGetAuthenticationInfo(
AuthenticationToken authcToken ) throws AuthenticationException {
UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
String userName = token.getUsername();
if( userName != null && !"".equals(userName) ){
User user = accountManager.login(token.getUsername(),
String.valueOf(token.getPassword()));
if( user != null )
return new SimpleAuthenticationInfo(
user.getLoginName(),user.getPassword(), getName());
}
return null;
}
}

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