bug修改

zhanghua

2023-08-20 f6b6188425efe6dc2c41a8dafb66f8ddd609a87f

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package com.ycl.component;
 
import cn.hutool.core.collection.CollUtil;
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 org.springframework.security.core.GrantedAuthority;
 
import java.util.Collection;
import java.util.Iterator;
 
/**
 * 动态权限决策管理器，用于判断用户是否有访问权限
 */
public class DynamicAccessDecisionManager implements AccessDecisionManager {
 
    @Override
    public void decide(Authentication authentication, Object object,
                       Collection<ConfigAttribute> configAttributes) throws AccessDeniedException, InsufficientAuthenticationException {
        // 当接口未被配置资源时直接放行
        if (CollUtil.isEmpty(configAttributes)) {
            return;
        }
        Iterator<ConfigAttribute> iterator = configAttributes.iterator();
        while (iterator.hasNext()) {
            ConfigAttribute configAttribute = iterator.next();
            //将访问所需资源或用户拥有资源进行比对
            String needAuthority = configAttribute.getAttribute();
            for (GrantedAuthority grantedAuthority : authentication.getAuthorities()) {
                if (needAuthority.trim().equals(grantedAuthority.getAuthority())) {
                    return;
                }
            }
        }
        throw new AccessDeniedException("抱歉，您没有访问权限");
    }
 
    @Override
    public boolean supports(ConfigAttribute configAttribute) {
        return true;
    }
 
    @Override
    public boolean supports(Class<?> aClass) {
        return true;
    }
 
}