【微服务｜Spring Security③】基于Session的认证方式｜实现认证功能
package com.uncle.security.springmvc.service;
import com.uncle.security.springmvc.model.AuthenticationRequest;
import com.uncle.security.springmvc.model.UserDto;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* @program: security-springmvc
* @description:
* @author: 步尔斯特
* @create: 2021-07-22 23:27
*/
@Service
public class AuthenticationServiceImpl implements AuthenticationService{
/**
* 用户认证，校验用户身份信息是否合法
*
* @param authenticationRequest 用户认证请求，账号和密码
* @return 认证成功的用户信息
*/
@Override
public UserDto authentication(AuthenticationRequest authenticationRequest) {
//校验参数是否为空
if(authenticationRequest == null
|| StringUtils.isEmpty(authenticationRequest.getUsername())
|| StringUtils.isEmpty(authenticationRequest.getPassword())){
throw new RuntimeException("账号和密码为空");
}
//根据账号去查询数据库,这里测试程序采用模拟方法
UserDto user = getUserDto(authenticationRequest.getUsername());
//判断用户是否为空
if(user == null){
throw new RuntimeException("查询不到该用户");
}
//校验密码
if(!authenticationRequest.getPassword().equals(user.getPassword())){
throw new RuntimeException("账号或密码错误");
}
//认证通过，返回用户身份信息
return user;
}
//根据账号查询用户信息
private UserDto getUserDto(String userName){
return userMap.get(userName);
}
//用户信息
private Map<String,UserDto> userMap = new HashMap<>();
{
userMap.put("zhangsan",new UserDto("1010","zhangsan","123","张三","133443"));
userMap.put("lisi",new UserDto("1011","lisi","456","李四","144553"));
}
}