feat: 添加 JWT 黑名单服务和登出功能，增强安全性

src/main/java/com/userauth/restuserauth/config/SecurityConfig.java

@@ -1,6 +1,5 @@
 package com.userauth.restuserauth.config;
 
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.authentication.AuthenticationManager;
@@ -14,7 +13,7 @@ import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
 
 import com.userauth.restuserauth.security.JwtAuthenticationFilter;
-import com.userauth.restuserauth.service.CustomUserDetailsService;
+// import com.userauth.restuserauth.service.CustomUserDetailsService;
 
 @Configuration
 @EnableWebSecurity

src/main/java/com/userauth/restuserauth/controller/AuthController.java

@@ -1,5 +1,7 @@
 package com.userauth.restuserauth.controller;
 
+import java.util.Map;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -8,6 +10,7 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -20,12 +23,14 @@ import com.userauth.restuserauth.model.Role;
 import com.userauth.restuserauth.model.User;
 import com.userauth.restuserauth.repository.UserRepository;
 import com.userauth.restuserauth.security.JwtTokenProvider;
+import org.springframework.util.StringUtils;
+import com.userauth.restuserauth.security.JwtBlacklistService; // 新增导入
+import jakarta.servlet.http.HttpServletRequest;
 
 @RestController
 @RequestMapping("/api/auth")
 public class AuthController {
 
-    // 添加 SLF4J Logger
     private static final Logger logger = LoggerFactory.getLogger(AuthController.class);
 
     @Autowired
@@ -40,22 +45,22 @@ public class AuthController {
     @Autowired
     private JwtTokenProvider tokenProvider;
 
+    @Autowired
+    private JwtBlacklistService jwtBlacklistService; // 新增注入
+
     @PostMapping("/login")
     public ResponseEntity<?> authenticateUser(@RequestBody AuthRequest loginRequest) {
         try {
             Authentication authentication = authenticationManager.authenticate(
-                new UsernamePasswordAuthenticationToken(
-                    loginRequest.getUsername(),
-                    loginRequest.getPassword()
-                )
-            );
-
+                    new UsernamePasswordAuthenticationToken(
+                            loginRequest.getUsername(),
+                            loginRequest.getPassword()));
+            SecurityContextHolder.getContext().setAuthentication(authentication);
             String jwt = tokenProvider.generateToken(authentication);
             return ResponseEntity.ok(new AuthResponse(jwt, "登录成功"));
         } catch (Exception e) {
-             // 关键改动：记录详细的错误日志，但仍然对客户端返回通用错误信息
-             logger.error("用户 '{}' 认证失败：{}", loginRequest.getUsername(), e.getMessage());
-             return new ResponseEntity<>("用户名或密码错误", HttpStatus.UNAUTHORIZED);
+            logger.error("用户 '{}' 认证失败：{}", loginRequest.getUsername(), e.getMessage());
+            return new ResponseEntity<>("用户名或密码错误", HttpStatus.UNAUTHORIZED);
         }
     }
 
@@ -64,21 +69,28 @@ public class AuthController {
         if (userRepository.findByUsername(registerRequest.getUsername()).isPresent()) {
             return new ResponseEntity<>("用户名已存在", HttpStatus.BAD_REQUEST);
         }
-
-        // 建议：检查电子邮件是否也已存在
-        // if (userRepository.findByEmail(registerRequest.getEmail()).isPresent()) {
-        //     return new ResponseEntity<>("该邮箱已被注册", HttpStatus.BAD_REQUEST);
-        // }
-
         User user = new User();
         user.setUsername(registerRequest.getUsername());
         user.setPassword(passwordEncoder.encode(registerRequest.getPassword()));
         user.setEmail(registerRequest.getEmail());
         user.setPhone(registerRequest.getPhone());
-        user.setRole(Role.USER); // 为新用户设置默认角色
-
+        user.setRole(Role.USER);
         userRepository.save(user);
-
         return new ResponseEntity<>("用户注册成功", HttpStatus.CREATED);
     }
+
+    // 更新：登出端点
+    @PostMapping("/logout")
+    public ResponseEntity<?> logoutUser(HttpServletRequest request) {
+        String bearerToken = request.getHeader("Authorization");
+        if (StringUtils.hasText(bearerToken) && bearerToken.startsWith("Bearer ")) {
+            String jwt = bearerToken.substring(7);
+            // 将当前 JWT 加入黑名单
+            jwtBlacklistService.blacklistToken(jwt);
+            logger.info("令牌已加入黑名单：{}", jwt);
+        }
+
+        SecurityContextHolder.clearContext();
+        return ResponseEntity.ok(Map.of("message", "登出成功，令牌已失效"));
+    }
 }

src/main/java/com/userauth/restuserauth/security/JwtAuthenticationFilter.java

@@ -27,13 +27,18 @@ public class JwtAuthenticationFilter extends OncePerRequestFilter {
     @Autowired
     private CustomUserDetailsService customUserDetailsService;
 
+    @Autowired
+    private JwtBlacklistService jwtBlacklistService; // 新增注入
+
     private static final Logger logger = LoggerFactory.getLogger(JwtAuthenticationFilter.class);
+
     @Override
-    protected void doFilterInternal(@NonNull HttpServletRequest request, @NonNull HttpServletResponse response, @NonNull FilterChain filterChain) throws ServletException, IOException {
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
         try {
             String jwt = getJwtFromRequest(request);
 
-            if (StringUtils.hasText(jwt) && tokenProvider.validateToken(jwt)) {
+            // 关键改动：增加黑名单检查
+            if (StringUtils.hasText(jwt) && !jwtBlacklistService.isBlacklisted(jwt) && tokenProvider.validateToken(jwt)) {
                 String username = tokenProvider.getUsernameFromToken(jwt);
 
                 UserDetails userDetails = customUserDetailsService.loadUserByUsername(username);

src/main/java/com/userauth/restuserauth/security/JwtBlacklistService.java

@@ -0,0 +1,34 @@
+package com.userauth.restuserauth.security;
+
+import java.util.Date;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class JwtBlacklistService {
+
+    // 使用 ConcurrentHashMap 作为内存中的黑名单存储。
+    // 在生产环境中，建议使用 Redis 等分布式缓存来支持多实例部署。
+    private final Map<String, Date> blacklist = new ConcurrentHashMap<>();
+
+    /**
+     * 将令牌加入黑名单。
+     * @param token 要加入黑名单的 JWT。
+     */
+    public void blacklistToken(String token) {
+        // 为了简化，我们暂时不处理过期清理，直接加入。
+        // 在实际应用中，可以存储令牌的过期时间，并定期清理已过期的令牌以防止内存泄漏。
+        blacklist.put(token, new Date());
+    }
+
+    /**
+     * 检查令牌是否存在于黑名单中。
+     * @param token 要检查的 JWT。
+     * @return 如果令牌在黑名单中，则返回 true，否则返回 false。
+     */
+    public boolean isBlacklisted(String token) {
+        return blacklist.containsKey(token);
+    }
+}

src/test/resources/rest-test/auth.http

@@ -20,5 +20,9 @@ Content-Type: application/json
 
 ### Get user info
 GET http://localhost:8080/api/user/me
-Authorization: Bearer eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJ0ZXN0dXNlcjAyIiwiaWF0IjoxNzQ5MTk1MjQyLCJleHAiOjE3NDkxOTg4NDJ9.geB8qi60zzn_BJrqo9ETfGyH6zUxCfDg8rJQTTTypJBpP67bmM0qmEWwxmDqfkFSJ6Ycw6hVUxIzU4R0s3XNXw
+Authorization: Bearer eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJ0ZXN0dXNlcjAyIiwiaWF0IjoxNzQ5MTk2ODQxLCJleHAiOjE3NDkyMDA0NDF9.BM9ZeCP8Xbesk8hQj04Rr4EMRQ84fpjX9ikk8yIUPvF0mS5pVoR5J_bEJ1It5C6UkFteq0v8VVK9nWHDMfIEGg
+
+### Logout
+POST http://localhost:8080/api/auth/logout
+Authorization: Bearer eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJ0ZXN0dXNlcjAyIiwiaWF0IjoxNzQ5MTk2ODQxLCJleHAiOjE3NDkyMDA0NDF9.BM9ZeCP8Xbesk8hQj04Rr4EMRQ84fpjX9ikk8yIUPvF0mS5pVoR5J_bEJ1It5C6UkFteq0v8VVK9nWHDMfIEGg