package com.ruoyi.framework.security.service;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.ruoyi.common.constant.CacheConstants;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.utils.ServletUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.ip.AddressUtils;
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import com.ruoyi.common.utils.ip.IpUtils;
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import com.ruoyi.common.utils.uuid.IdUtils;
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import com.ruoyi.framework.redis.RedisCache;
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import com.ruoyi.framework.security.LoginUser;
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import com.ruoyi.project.system.domain.SysRole;
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import com.ruoyi.project.system.domain.SysUserDept;
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import com.ruoyi.project.system.mapper.SysUserDeptMapper;
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import eu.bitwalker.useragentutils.UserAgent;
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import io.jsonwebtoken.Claims;
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import io.jsonwebtoken.Jwts;
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import io.jsonwebtoken.security.Keys;
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import jakarta.servlet.http.HttpServletRequest;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import org.springframework.util.CollectionUtils;
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import javax.crypto.SecretKey;
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import java.nio.charset.StandardCharsets;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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/**
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* token验证处理
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*
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* @author ruoyi
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*/
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@Component
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public class TokenService
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{
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private static final Logger log = LoggerFactory.getLogger(TokenService.class);
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// 令牌自定义标识
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@Value("${token.header}")
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private String header;
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// 令牌秘钥
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@Value("${token.secret}")
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private String secret;
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// 令牌有效期（默认30分钟）
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@Value("${token.expireTime}")
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private int expireTime;
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protected static final long MILLIS_SECOND = 1000;
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protected static final long MILLIS_MINUTE = 60 * MILLIS_SECOND;
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private static final Long MILLIS_MINUTE_TWENTY = 20 * 60 * 1000L;
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@Autowired
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private RedisCache redisCache;
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/**
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* 获取用户身份信息
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*
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* @return 用户信息
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*/
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public LoginUser getLoginUser(HttpServletRequest request)
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{
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// 获取请求携带的令牌
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String token = getToken(request);
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if (StringUtils.isNotEmpty(token))
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{
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try
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{
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Claims claims = parseToken(token);
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// 解析对应的权限以及用户信息
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String uuid = (String) claims.get(Constants.LOGIN_USER_KEY);
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String userKey = getTokenKey(uuid);
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LoginUser user = redisCache.getCacheObject(userKey);
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return user;
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}
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catch (Exception e)
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{
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log.error("获取用户信息异常'{}'", e.getMessage());
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}
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}
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return null;
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}
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/**
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* 设置用户身份信息
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*/
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public void setLoginUser(LoginUser loginUser)
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{
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if (StringUtils.isNotNull(loginUser) && StringUtils.isNotEmpty(loginUser.getToken()))
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{
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refreshToken(loginUser);
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}
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}
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/**
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* 删除用户身份信息
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*/
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public void delLoginUser(String token)
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{
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if (StringUtils.isNotEmpty(token))
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{
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String userKey = getTokenKey(token);
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redisCache.deleteObject(userKey);
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}
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}
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/**
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* 创建令牌
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*
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* @param loginUser 用户信息
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* @return 令牌
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*/
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public String createToken(LoginUser loginUser)
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{
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String token = IdUtils.fastUUID();
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loginUser.setToken(token);
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setUserAgent(loginUser);
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refreshToken(loginUser);
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Map<String, Object> claims = new HashMap<>();
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claims.put(Constants.LOGIN_USER_KEY, token);
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claims.put(Constants.JWT_USERNAME, loginUser.getUsername());
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return createToken(claims);
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}
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/**
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* 验证令牌有效期，相差不足20分钟，自动刷新缓存
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*
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* @param loginUser 登录信息
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* @return 令牌
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*/
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public void verifyToken(LoginUser loginUser)
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{
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long expireTime = loginUser.getExpireTime();
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long currentTime = System.currentTimeMillis();
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if (expireTime - currentTime <= MILLIS_MINUTE_TWENTY)
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{
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refreshToken(loginUser);
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}
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}
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@Autowired
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private SysUserDeptMapper sysUserDeptMapper;
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/**
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* 刷新令牌有效期
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*
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* @param loginUser 登录信息
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*/
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public void refreshToken(LoginUser loginUser)
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{
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loginUser.setLoginTime(System.currentTimeMillis());
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loginUser.setExpireTime(loginUser.getLoginTime() + expireTime * MILLIS_MINUTE);
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loginUser.setDeptIds(getDeptIdsByUserId(loginUser.getUserId()));
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if (loginUser.getDeptIds() != null && loginUser.getDeptIds().length > 0)
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{
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loginUser.setCurrentDeptId(loginUser.getDeptIds()[0]);
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}
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loginUser.setDataScope(resolveDataScope(loginUser));
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// 根据uuid将loginUser缓存
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String userKey = getTokenKey(loginUser.getToken());
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redisCache.setCacheObject(userKey, loginUser, expireTime, TimeUnit.MINUTES);
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}
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public String resolveDataScope(LoginUser loginUser)
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{
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if (loginUser == null || loginUser.getUser() == null || CollectionUtils.isEmpty(loginUser.getUser().getRoles()))
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{
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return null;
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}
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boolean hasCustom = false;
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boolean hasDeptAndChild = false;
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boolean hasDept = false;
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boolean hasSelf = false;
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for (SysRole role : loginUser.getUser().getRoles())
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{
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if (role == null || !"0".equals(role.getStatus()))
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{
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continue;
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}
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if ("1".equals(role.getDataScope()))
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{
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return "1";
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}
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if ("2".equals(role.getDataScope()))
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{
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hasCustom = true;
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}
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else if ("4".equals(role.getDataScope()))
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{
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hasDeptAndChild = true;
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}
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else if ("3".equals(role.getDataScope()))
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{
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hasDept = true;
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}
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else if ("5".equals(role.getDataScope()))
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{
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hasSelf = true;
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}
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}
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if (hasCustom)
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{
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return "2";
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}
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if (hasDeptAndChild)
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{
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return "4";
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}
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if (hasDept)
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{
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return "3";
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}
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if (hasSelf)
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{
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return "5";
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}
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return null;
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}
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public Long[] getDeptIdsByUserId(Long userId){
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LambdaQueryWrapper<SysUserDept> sysUserDeptLambdaQueryWrapper = new LambdaQueryWrapper<>();
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sysUserDeptLambdaQueryWrapper.eq(SysUserDept::getUserId, userId);
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List<SysUserDept> sysUserDept = sysUserDeptMapper.selectList(sysUserDeptLambdaQueryWrapper);
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if(CollectionUtils.isEmpty(sysUserDept)){
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return null;
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}
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return sysUserDept.stream().map(SysUserDept::getDeptId).toArray(Long[]::new);
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}
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/**
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* 设置用户代理信息
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*
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* @param loginUser 登录信息
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*/
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public void setUserAgent(LoginUser loginUser)
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{
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UserAgent userAgent = UserAgent.parseUserAgentString(ServletUtils.getRequest().getHeader("User-Agent"));
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String ip = IpUtils.getIpAddr();
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loginUser.setIpaddr(ip);
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loginUser.setLoginLocation(AddressUtils.getRealAddressByIP(ip));
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loginUser.setBrowser(userAgent.getBrowser().getName());
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loginUser.setOs(userAgent.getOperatingSystem().getName());
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}
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private SecretKey getSigningKey() {
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byte[] keyBytes = secret.getBytes(StandardCharsets.UTF_8);
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return Keys.hmacShaKeyFor(keyBytes);
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}
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/**
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* 从数据声明生成令牌
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*
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* @param claims 数据声明
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* @return 令牌
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*/
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private String createToken(Map<String, Object> claims)
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{
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return Jwts.builder()
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.claims(claims) // 注意：新版方法名变了，不再是 setClaims
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.signWith(getSigningKey(), Jwts.SIG.HS512) // 使用新的签名常量
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.compact();
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}
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/**
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* 从令牌中获取数据声明
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*
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* @param token 令牌
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* @return 数据声明
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*/
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private Claims parseToken(String token)
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{
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return Jwts.parser()
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.verifyWith(getSigningKey()) // 新版使用 verifyWith
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.build()
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.parseSignedClaims(token)
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.getPayload();
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}
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/**
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* 从令牌中获取用户名
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*
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* @param token 令牌
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* @return 用户名
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*/
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public String getUsernameFromToken(String token)
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{
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Claims claims = parseToken(token);
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return claims.getSubject();
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}
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/**
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* 获取请求token
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*
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* @param request
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* @return token
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*/
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private String getToken(HttpServletRequest request)
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{
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String token = request.getHeader(header);
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if (StringUtils.isNotEmpty(token) && token.startsWith(Constants.TOKEN_PREFIX))
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{
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token = token.replace(Constants.TOKEN_PREFIX, "");
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}
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return token;
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}
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private String getTokenKey(String uuid)
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{
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return CacheConstants.LOGIN_TOKEN_KEY + uuid;
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}
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}
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