cn.zhxu.bp.auth.AuthRule Maven / Gradle / Ivy
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package cn.zhxu.bp.auth;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* @author Troy.Zhou @ 2022/8/2 17:22
*/
public class AuthRule {
static final int TYPE_AUTHORITY = 1;
static final int TYPE_OR_GROUP = 3;
private final int type;
/**
* 关系为：且
*/
private List auths;
/**
* 关系为：或
*/
private List orRules;
AuthRule(int type) {
this.type = type;
}
public static AuthRule from(String authAttr) {
if (authAttr.contains("|")) {
AuthRule authRule = new AuthRule(AuthRule.TYPE_OR_GROUP);
for (String authAttr0 : authAttr.split("\\|")) {
AuthRule rule = new AuthRule(AuthRule.TYPE_AUTHORITY);
rule.auths = Arrays.asList(authAttr0.split("&"));
authRule.addOrRule(rule);
}
return authRule;
}
AuthRule rule = new AuthRule(AuthRule.TYPE_AUTHORITY);
rule.auths = Arrays.asList(authAttr.split("&"));
return rule;
}
private void addOrRule(AuthRule rule) {
if (orRules == null) {
orRules = new ArrayList<>(1);
}
orRules.add(rule);
}
public boolean isPermitAll() {
return isPermit(Collections.emptyList());
}
public boolean isPermit(List authorities) {
if (type == TYPE_AUTHORITY) {
for (String auth: auths) {
if (AuthConst.PERMIT_ALL.equals(auth)) {
continue;
}
if (!authorities.contains(auth)) {
return false;
}
}
return true;
}
if (type == TYPE_OR_GROUP) {
for (AuthRule rule: orRules) {
if (rule.isPermit(authorities)) {
return true;
}
}
return false;
}
return false;
}
}