scauth/src/main/java/com/aiprose/scauth/handler/UrlRolesFilterHandler.java

package com.aiprose.scauth.handler;

import com.aiprose.scauth.service.IRoleService;
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 org.springframework.stereotype.Service;

import java.util.Collection;
import java.util.List;

@Service
public class UrlRolesFilterHandler implements FilterInvocationSecurityMetadataSource {

    @Autowired
    private IRoleService roleService;

    @Override
    public Collection<ConfigAttribute> getAttributes(Object object) throws IllegalArgumentException {
        String requestUrl = ((FilterInvocation) object).getRequestUrl();
        List<String> roleNames = roleService.findByUrl(requestUrl);
        String[] names = new String[roleNames.size()];
        for (int i = 0; i < roleNames.size(); i++) {
            names[i] = roleNames.get(i);
        }
        return SecurityConfig.createList(names);
    }

    @Override
    public Collection<ConfigAttribute> getAllConfigAttributes() {
        return null;
    }

    @Override
    public boolean supports(Class<?> clazz) {
        return FilterInvocation.class.isAssignableFrom(clazz);
    }
}