com.github.angdx.gs.voter.PrefixRoleVoter Maven / Gradle / Ivy

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package com.github.angdx.gs.voter;

import com.github.angdx.gs.configattr.RoleGrantAttribute;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.web.FilterInvocation;

import java.util.Collection;

public class PrefixRoleVoter implements RBACAccessDecisionVoter {
    @Override
    public boolean supports(ConfigAttribute attribute) {
        return (attribute.getAttribute() != null)
                && attribute.getAttribute().startsWith(RoleGrantAttribute.PREFIX);
    }

    @Override
    public boolean supports(Class clazz) {
        return true;
    }

    @Override
    public int vote(Authentication authentication, FilterInvocation object, Collection attributes) {
        if(authentication == null) {
            return ACCESS_DENIED;
        }
        int result = ACCESS_DENIED;
        Collection authorities = extractAuthorities(authentication);

        for (ConfigAttribute attribute : attributes) {
            if (this.supports(attribute)) {
//                result = ACCESS_DENIED;

                for (GrantedAuthority authority : authorities) {
                    if (attribute.getAttribute().equals(authority.getAuthority())) {
                        return ACCESS_GRANTED;
                    }
                }
            }
        }

        return result;
    }
    private Collection extractAuthorities(
            Authentication authentication) {
        return authentication.getAuthorities();
    }

    @Override
    public boolean passGreenChannel() {
        return false;
    }

    @Override
    public boolean denyGreenChannel() {
        return false;
    }
}