87 lines
2.3 KiB
Java
87 lines
2.3 KiB
Java
package com.ruoyi.common.utils;
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import org.apache.shiro.SecurityUtils;
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import org.apache.shiro.crypto.SecureRandomNumberGenerator;
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import org.apache.shiro.session.Session;
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import org.apache.shiro.subject.Subject;
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import org.apache.shiro.subject.PrincipalCollection;
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import org.apache.shiro.subject.SimplePrincipalCollection;
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import com.ruoyi.common.core.domain.entity.SysUser;
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import com.ruoyi.common.utils.bean.BeanUtils;
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/**
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* shiro 工具类
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*
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* @author ruoyi
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*/
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public class ShiroUtils
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{
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public static Subject getSubject()
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{
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return SecurityUtils.getSubject();
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}
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public static Session getSession()
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{
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return SecurityUtils.getSubject().getSession();
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}
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public static void logout()
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{
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getSubject().logout();
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}
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public static SysUser getSysUser()
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{
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SysUser user = null;
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Object obj = getSubject().getPrincipal();
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if (StringUtils.isNotNull(obj))
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{
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user = new SysUser();
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BeanUtils.copyBeanProp(user, obj);
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}
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return user;
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}
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public static void setSysUser(SysUser user)
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{
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Subject subject = getSubject();
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PrincipalCollection principalCollection = subject.getPrincipals();
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String realmName = principalCollection.getRealmNames().iterator().next();
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PrincipalCollection newPrincipalCollection = new SimplePrincipalCollection(user, realmName);
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// 重新加载Principal
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subject.runAs(newPrincipalCollection);
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}
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public static Long getUserId()
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{
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return getSysUser().getUserId().longValue();
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}
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public static String getLoginName()
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{
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return getSysUser().getLoginName();
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}
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public static String getIp()
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{
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return getSubject().getSession().getHost();
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}
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public static String getSessionId()
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{
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return String.valueOf(getSubject().getSession().getId());
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}
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/**
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* 生成随机盐
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*/
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public static String randomSalt()
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{
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// 一个Byte占两个字节，此处生成的3字节，字符串长度为6
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SecureRandomNumberGenerator secureRandom = new SecureRandomNumberGenerator();
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String hex = secureRandom.nextBytes(3).toHex();
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return hex;
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}
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}
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