CustomAccessDecisionManager.java 1.76 KB
package com.bsth.security;

import java.util.Collection;
import java.util.Iterator;

import org.springframework.security.access.AccessDecisionManager;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.access.SecurityConfig;
import org.springframework.security.authentication.InsufficientAuthenticationException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.stereotype.Component;

@Component
public class CustomAccessDecisionManager implements AccessDecisionManager{

	@Override
	public void decide(Authentication authentication, Object object, Collection<ConfigAttribute> configAttributes)
			throws AccessDeniedException, InsufficientAuthenticationException {
		
        Iterator<ConfigAttribute> iter = configAttributes.iterator();
        Object obj;
         while (iter.hasNext())
         {
        	 obj = iter.next();
        	 if(null == obj)
        		 continue;
        	 
             String accessResourceNeedRole = ((SecurityConfig) obj)
                     .getAttribute();
             for (GrantedAuthority grantedAuthority : authentication.getAuthorities())
             {
                 String userOwnRole = grantedAuthority.getAuthority();
                 if (accessResourceNeedRole.equals(userOwnRole))
                 {
                     return;
                 }
             }
         }
         throw new AccessDeniedException("访问被拒绝!");
	}

	@Override
	public boolean supports(ConfigAttribute arg0) {
		return false;
	}

	@Override
	public boolean supports(Class<?> arg0) {
		return false;
	}

}