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Van0313
2025-07-13 19:13:19 +08:00
parent fda52b2aeb
commit 6e385259c0
20 changed files with 0 additions and 853 deletions
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32
src/main/java/cn/van/business/service/AdminUserService.java
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package cn.van.business.service;
import cn.hutool.crypto.digest.MD5;
import cn.van.business.model.user.AdminUser;
import cn.van.business.util.Util;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
@Service
public class AdminUserService {
// 模拟数据库存储
private static final Map<String, AdminUser> users = new HashMap<>();
static {
// 初始化一个测试用户（生产环境应从数据库加载）
AdminUser user = new AdminUser();
user.setUsername("van");
String password = Util.md5("LK.807878712");
user.setPassword(new BCryptPasswordEncoder().encode(password));
users.put("van", user);
}
public AdminUser findByUsername(String username) {
return users.get(username);
}
}

32
src/main/java/cn/van/business/service/CaptchaService.java
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package cn.van.business.service;
import com.google.code.kaptcha.Producer;
import org.springframework.stereotype.Service;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.util.Base64;
@Service
public class CaptchaService {
private final Producer kaptchaProducer;
public CaptchaService(Producer kaptchaProducer) {
this.kaptchaProducer = kaptchaProducer;
}
public String generateCaptchaImage() throws Exception {
String text = kaptchaProducer.createText();
BufferedImage image = kaptchaProducer.createImage(text);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
ImageIO.write(image, "PNG", outputStream);
return Base64.getEncoder().encodeToString(outputStream.toByteArray());
}
public boolean validateCaptcha(String userInput, String generatedCaptcha) {
return userInput.equalsIgnoreCase("Succ");
}
}

36
src/main/java/cn/van/business/service/impl/UserDetailsServiceImpl.java
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package cn.van.business.service.impl;
import cn.van.business.model.user.AdminUser;
import cn.van.business.service.AdminUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@Service
public class UserDetailsServiceImpl implements UserDetailsService {
@Autowired
private AdminUserService adminUserService;
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
AdminUser user = adminUserService.findByUsername(username);
if (user == null) {
throw new UsernameNotFoundException("用户不存在");
}
return User.builder()
.username(user.getUsername())
.password(user.getPassword())
.build();
}
}