bug修改

zhanghua

2023-08-20 f6b6188425efe6dc2c41a8dafb66f8ddd609a87f

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package com.ycl.component;
 
import cn.hutool.core.util.URLUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.web.FilterInvocation;
import org.springframework.security.web.access.intercept.FilterInvocationSecurityMetadataSource;
import org.springframework.util.AntPathMatcher;
import org.springframework.util.PathMatcher;
 
import javax.annotation.PostConstruct;
import java.util.*;
 
/**
 * 动态权限数据源，用于获取动态权限规则
 */
public class DynamicSecurityMetadataSource implements FilterInvocationSecurityMetadataSource {
 
    private static Map<String, ConfigAttribute> configAttributeMap = null;
    @Autowired
    private DynamicSecurityService dynamicSecurityService;
 
    @PostConstruct
    public void loadDataSource() {
        configAttributeMap = dynamicSecurityService.loadDataSource();
    }
 
    public void clearDataSource() {
        configAttributeMap.clear();
        configAttributeMap = null;
    }
 
    @Override
    public Collection<ConfigAttribute> getAttributes(Object o) throws IllegalArgumentException {
        if (configAttributeMap == null) this.loadDataSource();
        List<ConfigAttribute>  configAttributes = new ArrayList<>();
        //获取当前访问的路径
        String url = ((FilterInvocation) o).getRequestUrl();
        String path = URLUtil.getPath(url);
        PathMatcher pathMatcher = new AntPathMatcher();
        Iterator<String> iterator = configAttributeMap.keySet().iterator();
        //获取访问该路径所需资源
        while (iterator.hasNext()) {
            String pattern = iterator.next();
            if (pathMatcher.match(pattern, path)) {
                configAttributes.add(configAttributeMap.get(pattern));
            }
        }
        // 未设置操作请求权限，返回空集合
        return configAttributes;
    }
 
    @Override
    public Collection<ConfigAttribute> getAllConfigAttributes() {
        return null;
    }
 
    @Override
    public boolean supports(Class<?> aClass) {
        return true;
    }
 
}