feat(security): 实现JWT认证并增强API安全控制

添加JWT依赖并实现token生成与验证功能
在控制器方法上添加权限注解保护API端点
更新安全配置以集成JWT过滤器
移除无用的编码测试工具类
修改JWT相关配置为更安全的设置

pom.xml

@@ -81,6 +81,13 @@
             <version>0.18.2</version>
         </dependency>
         
+        <!-- JWT依赖 -->
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt</artifactId>
+            <version>0.9.1</version>
+        </dependency>
+        
         <!-- JCache API -->
         <dependency>
             <groupId>javax.cache</groupId>

src/main/java/com/qf/myafterprojecy/config/JwtAuthenticationFilter.java

@@ -0,0 +1,96 @@
+package com.qf.myafterprojecy.config;
+
+import com.qf.myafterprojecy.utils.JwtUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+/**
+ * JWT认证过滤器，用于验证token并授权用户
+ */
+@Component
+public class JwtAuthenticationFilter extends OncePerRequestFilter {
+
+    private static final Logger logger = LoggerFactory.getLogger(JwtAuthenticationFilter.class);
+
+    @Autowired
+    private JwtUtils jwtUtils;
+
+    @Autowired
+    private UserDetailsService userDetailsService;
+
+    @Value("${jwt.header:Authorization}")
+    private String tokenHeader;
+
+    @Value("${jwt.token-prefix:Bearer}")
+    private String tokenPrefix;
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
+        try {
+            // 获取token
+            String token = getTokenFromRequest(request);
+            System.out.println(token);
+            if (token != null && validateToken(token)) {
+                // 从token中获取用户名
+                String username = jwtUtils.getUsernameFromToken(token);
+
+                // 加载用户信息
+                UserDetails userDetails = userDetailsService.loadUserByUsername(username);
+
+                // 创建认证对象
+                UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
+                        userDetails, null, userDetails.getAuthorities());
+                authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
+
+                // 设置认证信息到上下文
+                SecurityContextHolder.getContext().setAuthentication(authentication);
+            }
+        } catch (Exception e) {
+            logger.error("无法设置用户认证: {}", e);
+            SecurityContextHolder.clearContext();
+        }
+
+        filterChain.doFilter(request, response);
+    }
+
+    /**
+     * 从请求头中获取token
+     */
+    private String getTokenFromRequest(HttpServletRequest request) {
+        String bearerToken = request.getHeader(tokenHeader);
+        if (bearerToken != null && bearerToken.startsWith(tokenPrefix + " ")) {
+            return bearerToken.substring(tokenPrefix.length() + 1);
+        }
+        
+        return null;
+    }
+
+    /**
+     * 验证token
+     */
+    private boolean validateToken(String token) {
+        try {
+            String username = jwtUtils.getUsernameFromToken(token);
+            UserDetails userDetails = userDetailsService.loadUserByUsername(username);
+            return jwtUtils.validateToken(token, userDetails);
+        } catch (Exception e) {
+            logger.error("无效的token: {}", e);
+            return false;
+        }
+    }
+}

src/main/java/com/qf/myafterprojecy/config/SecurityConfig.java

@@ -32,6 +32,9 @@ public class SecurityConfig {
     @Autowired
     private PasswordEncoder passwordEncoder;
 
+    @Autowired
+    private JwtAuthenticationFilter jwtAuthenticationFilter;
+
     /**
      * 配置AuthenticationManager Bean
      * 使用AuthenticationConfiguration来获取认证管理器，这是更现代的方式
@@ -75,6 +78,9 @@ public class SecurityConfig {
             .sessionManagement()
                 .sessionCreationPolicy(SessionCreationPolicy.STATELESS);
         
+        // 添加JWT认证过滤器
+        http.addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
+        
         // 确保Spring Security不会添加额外的CharacterEncodingFilter
         // 因为我们在CharacterEncodingConfig中已经配置了自定义的过滤器
         http.addFilterBefore((request, response, chain) -> {
@@ -82,7 +88,7 @@ public class SecurityConfig {
             response.setCharacterEncoding("UTF-8");
             response.setContentType("text/html;charset=UTF-8");
             chain.doFilter(request, response);
-        }, UsernamePasswordAuthenticationFilter.class);
+        }, JwtAuthenticationFilter.class);
         
         return http.build();
     }

src/main/java/com/qf/myafterprojecy/controller/AuthController.java

@@ -1,6 +1,7 @@
 package com.qf.myafterprojecy.controller;
 
 import com.qf.myafterprojecy.config.ResponseMessage;
+import com.qf.myafterprojecy.utils.JwtUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -31,6 +32,9 @@ public class AuthController {
     @Autowired
     private AuthenticationManager authenticationManager;
 
+    @Autowired
+    private JwtUtils jwtUtils;
+
     /**
      * 用户登录请求体
      */
@@ -77,11 +81,14 @@ public class AuthController {
             
             // 获取认证后的用户信息
             UserDetails userDetails = (UserDetails) authentication.getPrincipal();
+            // 生成JWT token
+            String token = jwtUtils.generateToken(userDetails);
             // 构建返回数据
             Map<String, Object> data = new HashMap<>();
             data.put("username", userDetails.getUsername());
             data.put("authorities", userDetails.getAuthorities());
-            // data.put("message", "登录成功");
+            data.put("token", token);
+            data.put("tokenPrefix", jwtUtils.getTokenPrefix());
             
             return ResponseMessage.success(data, "登录成功");
             

src/main/java/com/qf/myafterprojecy/controller/CategoryAttributeController.java

@@ -8,6 +8,7 @@ import com.qf.myafterprojecy.service.imp.ICategoryAttributeService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
@@ -53,6 +54,7 @@ public class CategoryAttributeController {
      * @return 创建结果
      */
     @PostMapping
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<Category_attribute> createAttribute(@Valid @RequestBody CategoryAttributeDto dto) {
         log.info("接收创建分类属性的请求: 分类ID={}, 属性名称={}", 
                 dto.getCategoryid(), dto.getAttributename());
@@ -66,6 +68,7 @@ public class CategoryAttributeController {
      * @return 更新结果
      */
     @PutMapping("/{id}")
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<Category_attribute> updateAttribute(
             @PathVariable Integer id, 
             @Valid @RequestBody CategoryAttributeDto dto) {
@@ -80,6 +83,7 @@ public class CategoryAttributeController {
      * @return 删除结果
      */
     @DeleteMapping("/{id}")
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<Boolean> deleteAttribute(@PathVariable Integer id) {
         log.info("接收删除分类属性的请求: ID={}", id);
         return categoryAttributeService.deleteCategoryAttribute(id);

src/main/java/com/qf/myafterprojecy/controller/CategoryController.java

@@ -8,6 +8,7 @@ import com.qf.myafterprojecy.service.imp.ICategoryService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
@@ -55,6 +56,7 @@ public class CategoryController {
      * @return 返回创建结果
      */
     @PostMapping
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<Category> createCategory(@Valid @RequestBody CategoryDto categoryDto) {
         log.info("接收创建分类的请求: {}", categoryDto.getTypename());
         return categoryService.saveCategory(categoryDto);
@@ -67,6 +69,7 @@ public class CategoryController {
      * @return 返回更新结果
      */
     @PutMapping("/{id}")
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<Category> updateCategory(
             @PathVariable Integer id, 
             @Valid @RequestBody CategoryDto categoryDto) {
@@ -80,6 +83,7 @@ public class CategoryController {
      * @return 返回删除结果
      */
     @DeleteMapping("/{id}")
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<Boolean> deleteCategory(@PathVariable Integer id) {
         log.info("接收删除分类的请求: {}", id);
         return categoryService.deleteCategory(id);

src/main/java/com/qf/myafterprojecy/controller/MessageController.java

@@ -8,6 +8,7 @@ import com.qf.myafterprojecy.service.imp.IMessageService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
@@ -87,6 +88,7 @@ public class MessageController {
      * 创建新消息
      */
     @PostMapping
+    @PreAuthorize("isAuthenticated()")
     public ResponseMessage<Message> createMessage(@RequestBody MessageDto message) {
         logger.info("接收创建消息的请求: {}", message != null ? message.getNickname() : "null");
         return messageService.saveMessage(message);
@@ -101,6 +103,7 @@ public class MessageController {
      * 根据ID删除消息
      */
     @DeleteMapping("/{id}")
+    @PreAuthorize("hasRole('ADMIN') or #id == authentication.principal.id")
     public ResponseMessage<Message> deleteMessage(@PathVariable Integer id) {
         logger.info("接收删除消息的请求: {}", id);
         return messageService.deleteMessage(id);

src/main/java/com/qf/myafterprojecy/controller/UserController.java

@@ -8,6 +8,8 @@ import com.qf.myafterprojecy.service.imp.IUserService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 import javax.validation.Valid;
@@ -15,6 +17,7 @@ import java.util.List;
 
 @RestController
 @RequestMapping("/api/users")
+@Validated
 public class UserController {
 
     private static final Logger logger = LoggerFactory.getLogger(UserController.class);
@@ -38,6 +41,7 @@ public class UserController {
      * @return 用户列表
      */
     @GetMapping
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<List<Users>> getAllUsers() {
         logger.info("获取所有用户列表");
         return userService.getAllUsers();
@@ -45,10 +49,10 @@ public class UserController {
 
     /**
      * 根据用户名获取用户信息
-     * @param username 用户名
      * @return 用户信息
      */
     @GetMapping("/username/{username}")
+    @PreAuthorize("hasRole('ADMIN') or #username == authentication.name")
     public ResponseMessage<Users> getUserByUsername(@PathVariable String username) {
         logger.info("根据用户名获取用户信息，用户名: {}", username);
         return userService.getUserByUsername(username);
@@ -72,6 +76,7 @@ public class UserController {
      * @return 更新结果
      */
     @PutMapping("/{id}")
+    @PreAuthorize("hasRole('ADMIN') or #id == authentication.principal.id")
     public ResponseMessage<Users> updateUser(@PathVariable Long id, @Valid @RequestBody UserDto userDto) {
         logger.info("更新用户信息，用户ID: {}", id);
         return userService.updateUser(id, userDto);
@@ -83,6 +88,7 @@ public class UserController {
      * @return 删除结果
      */
     @DeleteMapping("/{id}")
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<Boolean> deleteUser(@PathVariable Long id) {
         logger.info("删除用户，用户ID: {}", id);
         return userService.deleteUser(id);
@@ -94,6 +100,7 @@ public class UserController {
      * @return 用户列表
      */
     @GetMapping("/role/{role}")
+    @PreAuthorize("hasRole('ADMIN')")
     public ResponseMessage<List<Users>> getUsersByRole(@PathVariable int role) {
         logger.info("根据角色查询用户列表，角色: {}", role);
         return userService.getUsersByRole(role);

src/main/java/com/qf/myafterprojecy/pojo/dto/ArticleDto.java

@@ -9,8 +9,7 @@ public class ArticleDto {
     @NotBlank(message = "标题不能为空")
     private String title;
 
-    @NotBlank(message = "内容不能为空")
-    private String content;
+    private String content;// 如果为空说明是长篇文章 不为空则是短篇说说
     
     @NotNull(message = "属性ID不能为空")
     private Integer attributeid;
@@ -23,8 +22,7 @@ public class ArticleDto {
 
     private Integer status;
 
-    @NotBlank(message = "Markdown内容不能为空")
-    private String markdownscontent;
+    private String markdownscontent; // 文章内容的Markdown格式
 
     // Getters and Setters
     public Integer getArticleid() {

src/main/java/com/qf/myafterprojecy/util/EncodingTestUtil.java

@@ -1,38 +0,0 @@
-// package com.qf.myafterprojecy.util;
-
-// import org.slf4j.Logger;
-// import org.slf4j.LoggerFactory;
-// import org.springframework.stereotype.Component;
-
-// import javax.annotation.PostConstruct;
-
-// /**
-//  * 编码测试工具类
-//  * 用于验证系统编码配置是否正确，解决中文乱码问题
-//  */
-// @Component
-// public class EncodingTestUtil {
-
-//     private static final Logger logger = LoggerFactory.getLogger(EncodingTestUtil.class);
-
-//     /**
-//      * 在Bean初始化时执行编码测试
-//      * 验证日志系统是否能正确输出中文
-//      */
-//     @PostConstruct
-//     public void testEncoding() {
-//         // 输出系统编码信息
-//         logger.info("===== 系统编码测试开始 =====");
-//         logger.info("默认字符编码: {}", java.nio.charset.Charset.defaultCharset());
-//         logger.info("file.encoding: {}", System.getProperty("file.encoding"));
-//         logger.info("sun.stdout.encoding: {}", System.getProperty("sun.stdout.encoding"));
-//         logger.info("sun.stderr.encoding: {}", System.getProperty("sun.stderr.encoding"));
-        
-//         // 测试中文字符输出
-//         logger.info("中文测试 - 这是一条测试日志，用于验证中文是否正常显示");
-//         logger.warn("中文警告测试 - 这是一条警告日志，用于验证中文是否正常显示");
-//         logger.error("中文错误测试 - 这是一条错误日志，用于验证中文是否正常显示");
-        
-//         logger.info("===== 系统编码测试结束 =====");
-//     }
-// }

src/main/java/com/qf/myafterprojecy/utils/JwtUtils.java

@@ -0,0 +1,103 @@
+package com.qf.myafterprojecy.utils;
+
+import io.jsonwebtoken.Claims;
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.SignatureAlgorithm;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.stereotype.Component;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+
+/**
+ * JWT工具类，用于生成和验证token
+ */
+@Component
+public class JwtUtils {
+
+    @Value("${jwt.secret:default_secret_key_for_development}")
+    private String secret;
+
+    @Value("${jwt.expiration:86400000}")
+    private long expiration;
+
+    @Value("${jwt.token-prefix:Bearer}")
+    private String tokenPrefix;
+
+    /**
+     * 从token中获取用户名
+     */
+    public String getUsernameFromToken(String token) {
+        return getClaimFromToken(token, Claims::getSubject);
+    }
+
+    /**
+     * 从token中获取过期时间
+     */
+    public Date getExpirationDateFromToken(String token) {
+        return getClaimFromToken(token, Claims::getExpiration);
+    }
+
+    /**
+     * 从token中获取指定的claim
+     */
+    public <T> T getClaimFromToken(String token, Function<Claims, T> claimsResolver) {
+        final Claims claims = getAllClaimsFromToken(token);
+        return claimsResolver.apply(claims);
+    }
+
+    /**
+     * 获取token中的所有claims
+     */
+    private Claims getAllClaimsFromToken(String token) {
+        return Jwts.parser().setSigningKey(secret).parseClaimsJws(token).getBody();
+    }
+
+    /**
+     * 检查token是否过期
+     */
+    private Boolean isTokenExpired(String token) {
+        final Date expiration = getExpirationDateFromToken(token);
+        return expiration.before(new Date());
+    }
+
+    /**
+     * 生成token
+     */
+    public String generateToken(UserDetails userDetails) {
+        Map<String, Object> claims = new HashMap<>();
+        claims.put("authorities", userDetails.getAuthorities());
+        return doGenerateToken(claims, userDetails.getUsername());
+    }
+
+    /**
+     * 生成token的核心方法
+     */
+    private String doGenerateToken(Map<String, Object> claims, String subject) {
+        return Jwts.builder()
+                .setClaims(claims)
+                .setSubject(subject)
+                .setIssuedAt(new Date(System.currentTimeMillis()))
+                .setExpiration(new Date(System.currentTimeMillis() + expiration))
+                .signWith(SignatureAlgorithm.HS512, secret)
+                .compact();
+    }
+
+    /**
+     * 验证token
+     */
+    public Boolean validateToken(String token, UserDetails userDetails) {
+        final String username = getUsernameFromToken(token);
+        return (username.equals(userDetails.getUsername()) && !isTokenExpired(token));
+    }
+
+    /**
+     * 获取token前缀
+     */
+    public String getTokenPrefix() {
+        return tokenPrefix;
+    }
+}

src/main/resources/application.properties

@@ -72,7 +72,7 @@ management.endpoint.health.show-details=when_authorized
 management.metrics.export.prometheus.enabled=true
 
 # JWT配置 - 生产环境应使用更安全的密钥和环境变量
-jwt.secret=mySecretKey
+jwt.secret=myAfterProjectSecretKey2024SecureJwtTokenGeneration
 jwt.expiration=86400000
 jwt.header=Authorization
 jwt.token-prefix=Bearer