package com.nms.swspkmas_standalone.service.impl;
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import cn.hutool.crypto.digest.MD5;
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import com.nms.swspkmas_standalone.entity.User;
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import com.nms.swspkmas_standalone.entity.vo.AccountVO;
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import com.nms.swspkmas_standalone.exception.ApiException;
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import com.nms.swspkmas_standalone.filter.JwtFilter;
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import com.nms.swspkmas_standalone.service.AccountService;
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import com.nms.swspkmas_standalone.utils.JwtTokenUtil;
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import org.apache.shiro.SecurityUtils;
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import org.apache.shiro.authc.*;
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import org.apache.shiro.subject.Subject;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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@Service
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public class AccountServiceImpl implements AccountService {
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@Override
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public AccountVO login(AccountVO accountVO) {
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String userName = accountVO.getUsername();
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String password = accountVO.getPassword();
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// 获取当前用户主体
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Subject subject = SecurityUtils.getSubject();
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String msg ;
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// 将用户名和密码封装成 UsernamePasswordToken 对象
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UsernamePasswordToken token = new UsernamePasswordToken(userName, password);
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try {
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subject.login(token);
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Object principal = subject.getPrincipal();
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User user = (User) principal;
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AccountVO acc = new AccountVO();
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BeanUtils.copyProperties(user, acc,new String[]{"password"});
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// 若登录成功，签发 JWT token
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String jwtToken = JwtTokenUtil.generateToken(userName);
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acc.setToken(jwtToken);
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JwtFilter.tokenMap.put(MD5.create().digestHex(jwtToken), jwtToken);
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return acc;
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} catch (UnknownAccountException | IncorrectCredentialsException uae) { // 账号不存在
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throw new ApiException("用户名/密码错误，请重新输入");
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} // 账号与密码不匹配
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catch (LockedAccountException lae) { // 账号已被锁定
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msg = "用户名/密码错误，请重新输入";
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throw new ApiException(msg);
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} catch (AuthenticationException ae) { // 其他身份验证异常
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msg = "用户名/密码错误，请重新输入";
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throw new ApiException(msg);
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}
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}
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}
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