Spring Security-利用URL地址进行权限控制

目的是：系统内存在不少不一样的用户，每一个用户具备不一样的资源访问权限，具体表现就是某个用户对于某个URL是无权限访问的。须要Spring Security忙咱们过滤。

参考： http://www.cnblogs.com/quyixuanblog/p/5213503.html

本文的不少命名都是参考连接博文的，最大的不一样应该是本文是基于Spring boot，再次也向前人致敬！

由上一篇可知，FilterSecurityInterceptor是Spring Security进行URL权限判断的， FilterSecurityInterceptor又继承于AbstractSecurityInterceptor，由此可推测，咱们能够新增一个Interceptor继承 AbstractSecurityInterceptor，实现咱们本身的权限校验逻辑。

查看父类及其代码逻辑，有几点必需要注意：

一、主要鉴权方法是调用父类中accessDecisionManager的decide值，因此咱们须要本身实现一个 accessDecisionManager

二、父类中存在抽象方法public abstract SecurityMetadataSource obtainSecurityMetadataSource();做用是获取URL及用户角色对应的关系。咱们须要加入本身的实现。

如下是部分代码实现

主要拦截器JwtUrlSecurityInterceptor，须要在WebSecurityConfig(Spring Security配置)文件中注册

   
   
   
   

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

    
    
    
    

   
   
   
   
 //这个拦截器用来实现按照用户权限，对所请求的url进行拦截 @Bean public JwtUrlSecurityInterceptor jwtUrlSecurityInterceptorBean() throws Exception{ return new JwtUrlSecurityInterceptor(); }@Override protected void configure(HttpSecurity httpSecurity) throws Exception {... httpSecurity.addFilterBefore(jwtUrlSecurityInterceptorBean(), FilterSecurityInterceptor.class);... }

实现自定义的 accessDecisionManager

    
    
    
    

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

    
    
    
    
package org.zerhusen.security.dsuri;import org.springframework.security.access.AccessDecisionManager;import org.springframework.security.access.AccessDeniedException;import org.springframework.security.access.ConfigAttribute;import org.springframework.security.authentication.InsufficientAuthenticationException;import org.springframework.security.core.Authentication;import java.util.Collection;/** * Created by dingshuo on 2017/6/28. */public class MyAccessDecisionManager implements AccessDecisionManager { @Override public void decide(Authentication authentication, Object object, Collection<ConfigAttribute> configAttributes) throws AccessDeniedException, InsufficientAuthenticationException { System.out.println("自定义的接口"); throw new AccessDeniedException("no right"); } @Override public boolean supports(ConfigAttribute attribute) { return true; } @Override public boolean supports(Class<?> clazz) { return true; }}

实现自定义的资源 SecurityMetadataSource  

    
    
    
    

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

     
     
     
     

    
    
    
    
package org.zerhusen.security.dsuri;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.security.access.ConfigAttribute;import org.springframework.security.access.SecurityConfig;import org.springframework.security.web.FilterInvocation;import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;import java.util.*;/** * Created by dingshuo on 2017/6/28. */public class MyInvocationSecurityMetadataSource implements FilterInvocationSecurityMetadataSource { private static Map<String, Collection<ConfigAttribute>> resourceMap = null; @Autowired UrlMatcher urlMatcher; public MyInvocationSecurityMetadataSource() {//这里能够查数据库实现//注入dao便可 resourceMap = new HashMap<String, Collection<ConfigAttribute>>(); Collection<ConfigAttribute> atts = new ArrayList<ConfigAttribute>(); ConfigAttribute ca = new SecurityConfig("ROLE_USER1"); atts.add(ca); resourceMap.put("/index.jsp", atts); Collection<ConfigAttribute> attsno =new ArrayList<ConfigAttribute>(); ConfigAttribute cano = new SecurityConfig("ROLE_NO"); attsno.add(cano); resourceMap.put("/other.jsp", attsno); } @Override public Collection<ConfigAttribute> getAttributes(Object object) throws IllegalArgumentException { String url = ((FilterInvocation)object).getRequestUrl(); Iterator<String> ite = resourceMap.keySet().iterator(); while (ite.hasNext()) { String resURL = ite.next(); if (url.equals("/protected")) { return resourceMap.get(resURL); } } return null; } @Override public Collection<ConfigAttribute> getAllConfigAttributes() { return null; } @Override public boolean supports(Class<?> clazz) { return true; }}

实现 JwtUrlSecurityInterceptor

      
      
      
      

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

       
       
       
       

      
      
      
      
package org.zerhusen.security.dsuri;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.context.annotation.Bean;import org.springframework.security.access.AccessDecisionManager;import org.springframework.security.access.SecurityMetadataSource;import org.springframework.security.access.intercept.AbstractSecurityInterceptor;import org.springframework.security.access.intercept.InterceptorStatusToken;import org.springframework.security.authentication.AuthenticationManager;import org.springframework.security.web.FilterInvocation;import javax.servlet.*;import java.io.IOException;/** * Created by dingshuo on 2017/6/28. */public class JwtUrlSecurityInterceptor extends AbstractSecurityInterceptor implements Filter { @Autowired public void setMyAccessDecisionManager(){ super.setAccessDecisionManager(myAccessDecisionManagerBean()); } @Bean public MyAccessDecisionManager myAccessDecisionManagerBean(){ return new MyAccessDecisionManager(); } @Bean public MyInvocationSecurityMetadataSource myInvocationSecurityMetadataSourceBean(){ return new MyInvocationSecurityMetadataSource(); } @Override public void init(FilterConfig filterConfig) throws ServletException { } @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { FilterInvocation fi = new FilterInvocation(request, response, chain); invoke(fi); } @Override public void destroy() { } @Override public Class<?> getSecureObjectClass() { return FilterInvocation.class; } @Override public SecurityMetadataSource obtainSecurityMetadataSource() { return this.myInvocationSecurityMetadataSourceBean(); } public void invoke(FilterInvocation fi) throws IOException, ServletException { InterceptorStatusToken token = super.beforeInvocation(fi); try { fi.getChain().doFilter(fi.getRequest(), fi.getResponse()); }finally { super.afterInvocation(token, null); } }}

如上是简单的URL权限控制