feat: 增加文件访问拦截器

src/main/java/io/github/xxyopen/novel/core/config/WebConfig.java

@@ -1,7 +1,9 @@
 package io.github.xxyopen.novel.core.config;
 
 import io.github.xxyopen.novel.core.constant.ApiRouterConsts;
+import io.github.xxyopen.novel.core.constant.SystemConfigConsts;
 import io.github.xxyopen.novel.core.interceptor.AuthInterceptor;
+import io.github.xxyopen.novel.core.interceptor.FileInterceptor;
 import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
@@ -19,11 +21,18 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 @RequiredArgsConstructor
 public class WebConfig implements WebMvcConfigurer {
 
-    private final AuthInterceptor frontAuthInterceptor;
+    private final AuthInterceptor authInterceptor;
+
+    private final FileInterceptor fileInterceptor;
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {
-        registry.addInterceptor(frontAuthInterceptor)
+        // 文件访问拦截
+        registry.addInterceptor(fileInterceptor)
+                .addPathPatterns(SystemConfigConsts.IMAGE_UPLOAD_DIRECTORY + "**");
+
+        // 权限认证拦截
+        registry.addInterceptor(authInterceptor)
                 // 拦截会员中心相关请求接口
                 .addPathPatterns(ApiRouterConsts.API_FRONT_USER_URL_PREFIX + "/**"
                         // 拦截作家后台相关请求接口
@@ -35,5 +44,6 @@ public class WebConfig implements WebMvcConfigurer {
                         , ApiRouterConsts.API_FRONT_USER_URL_PREFIX + "/login"
                         , ApiRouterConsts.API_AUTHOR_URL_PREFIX + "/register"
                         ,ApiRouterConsts.API_ADMIN_URL_PREFIX + "/login");
+
     }
 }

src/main/java/io/github/xxyopen/novel/core/interceptor/FileInterceptor.java

@@ -0,0 +1,43 @@
+package io.github.xxyopen.novel.core.interceptor;
+
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.HandlerInterceptor;
+
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * 文件 拦截器
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/22
+ */
+@Component
+@RequiredArgsConstructor
+public class FileInterceptor implements HandlerInterceptor {
+
+    @Value("${novel.file.upload.path}")
+    private String fileUploadPath;
+
+    @SuppressWarnings("NullableProblems")
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        // 获取请求的 URI
+        String requestUri = request.getRequestURI();
+        // 缓存10天
+        response.setDateHeader("expires", System.currentTimeMillis() + 60 * 60 * 24 * 10 * 1000);
+        try (OutputStream out = response.getOutputStream();InputStream input = new FileInputStream(fileUploadPath + requestUri)) {
+            byte[] b = new byte[4096];
+            for (int n; (n = input.read(b)) != -1; ) {
+                out.write(b, 0, n);
+            }
+        }
+        return false;
+    }
+
+}

src/main/resources/application.yml

@@ -65,7 +65,7 @@ novel:
     # 文件上传配置
     upload:
       # 上传路径
-      path: /var/upload
+      path: /Users/xiongxiaoyang/upload