feat: 内容代理接口 admin/sites/{siteId}/content/**，Groovy脚本httpGet对齐

par-api/src/main/java/com/par/api/controller/AccessResultController.java

@@ -5,10 +5,14 @@ import com.par.core.dto.ApiResponse;
 import com.par.core.dto.SiteAccessSummaryDTO;
 import com.par.core.dto.SubmitResult;
 import com.par.core.entity.AccessResult;
+import com.par.core.mapper.AccessResultMapper;
 import com.par.core.service.AccessResultService;
+import com.par.core.storage.CachedStorageService;
 import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
@@ -24,6 +28,41 @@ import java.util.Map;
 public class AccessResultController {
 
     private final AccessResultService accessResultService;
+    private final CachedStorageService storageService;
+    private final AccessResultMapper accessResultMapper;
+
+    // ==================== 内容代理（供 Groovy 脚本 httpGet 调用） ====================
+
+    /**
+     * 内容代理接口：接收相对路径，返回存储的访问结果内容。
+     * Groovy 脚本中 httpGet(ctx, '/index.php') 通过此接口获取已存储的页面内容。
+     * ctx.siteUrl 指向：http://par:9012/api/v1/admin/sites/{siteId}/content
+     */
+    @GetMapping("/api/v1/admin/sites/{siteId}/content/**")
+    public ResponseEntity<String> contentProxy(
+            @PathVariable("siteId") String siteId,
+            HttpServletRequest request) {
+        String fullPath = request.getRequestURI();
+        String prefix = "/api/v1/admin/sites/" + siteId + "/content";
+        String relativePath = fullPath.substring(fullPath.indexOf(prefix) + prefix.length());
+        if (relativePath.isEmpty()) relativePath = "/";
+
+        // 查找最新匹配的存储内容
+        List<AccessResult> results = accessResultMapper.selectList(
+                new com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper<AccessResult>()
+                        .eq(AccessResult::getSiteId, siteId)
+                        .orderByDesc(AccessResult::getId)
+                        .last("limit 100"));
+        String path = relativePath;
+        AccessResult best = results.stream()
+                .filter(r -> r.getUrl() != null && r.getStoragePath() != null && r.getUrl().contains(path))
+                .findFirst().orElse(null);
+        if (best == null) return ResponseEntity.notFound().build();
+
+        String content = storageService.read(best.getStoragePath());
+        if (content == null) return ResponseEntity.notFound().build();
+        return ResponseEntity.ok().contentType(MediaType.TEXT_HTML).body(content);
+    }
 
     // ==================== mediabot 提交接口（PSK 鉴权） ====================