基于Spring框架的Shiro配置方法

一、在web.xml中添加shiro过滤器

<!-- 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

<!-- 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

复制代码 代码如下:
<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
 <property name="realm" ref="myRealm" />
</bean>

3、添加realm定义

复制代码 代码如下:
<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;
}
}

参考资料：让Apache Shiro保护你的应用

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