src/main/java/cn/stylefeng/guns/core/beetl/ShiroExt.java

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/**
 * Copyright (c) 2015-2017, Chill Zhuang 庄骞 (smallchill@163.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.stylefeng.guns.core.beetl;

import cn.stylefeng.guns.core.shiro.ShiroUser;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;

public class ShiroExt {
    private static final String NAMES_DELIMETER = ",";

    /**
     * 获取当前 Subject
     *
     * @return Subject
     */
    public static Subject getSubject() {
        return SecurityUtils.getSubject();
    }

    /**
     * 获取封装的 ShiroUser
     *
     * @return ShiroUser
     */
    public ShiroUser getUser() {
        if (isGuest()) {
            return null;
        } else {
            return (ShiroUser) getSubject().getPrincipals().getPrimaryPrincipal();
        }
    }

    /**
     * 验证当前用户是否属于该角色？,使用时与lacksRole 搭配使用
     *
     * @param roleName 角色名
     * @return 属于该角色：true，否则false
     */
    public boolean hasRole(String roleName) {
        return getSubject() != null && roleName != null
                && roleName.length() > 0 && getSubject().hasRole(roleName);
    }

    /**
     * 与hasRole标签逻辑相反，当用户不属于该角色时验证通过。
     *