gx下载文件错误问题

@@ -68,20 +68,36 @@ class FileManageController extends BaseController
         if (!isset($this->param['path']) || empty($this->param['path'])) {
             $this->response('参数错误：path 参数缺失或为空', Code::SYSTEM_ERROR);
         }
-
         // 获取文件名和完整 URL
         $username = basename($this->param['path']);
         $parsed_url = parse_url($this->param['path']);
         $fileUrl = isset($parsed_url['scheme'])
             ? $this->param['path']
             : 'https://file.globalso.com' . $this->param['path'];
-        // 获取文件头信息
-        $headers = @get_headers($fileUrl, 1);
-        if (!$headers || !isset($headers['Content-Length']) || $headers['Content-Length'] <= 0) {
+        // 使用 cURL 获取文件头信息
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $fileUrl);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  // 不直接输出，而是返回结果
+        curl_setopt($ch, CURLOPT_HEADER, true);  // 获取响应头
+        curl_setopt($ch, CURLOPT_NOBODY, true);  // 只请求头部，不下载实际文件
+        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); // 跟随重定向
+        curl_setopt($ch, CURLOPT_TIMEOUT, 30);  // 设置超时时间
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);  // 禁用 SSL 验证
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+        $response = curl_exec($ch);
+        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        $fileSize = curl_getinfo($ch, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
+        curl_close($ch);
+        // 检查文件大小和状态码
+        if ($httpCode != 200 || $fileSize <= 0) {
             $this->response('无法获取文件信息或文件不存在', Code::SYSTEM_ERROR);
         }
-        $fileSize = $headers['Content-Length'];
-        $contentType = $headers['Content-Type'] ?? 'application/octet-stream';
+
+        // 获取文件类型
+        $contentType = 'application/octet-stream';  // 默认类型为二进制流
+        if (preg_match('/Content-Type: (.+)/i', $response, $matches)) {
+            $contentType = $matches[1];
+        }
         // 设置响应头
         header('Content-Description: File Transfer');
         header('Content-Type: ' . $contentType);
@@ -90,11 +106,11 @@ class FileManageController extends BaseController
         header('Cache-Control: must-revalidate');
         header('Pragma: public');
         header('Expires: 0');
-        // 清空所有输出缓冲区
+        // 清空输出缓冲区
         while (ob_get_level() > 0) {
             ob_end_clean();
         }
-        // 初始化 cURL
+        // 初始化 cURL 下载文件
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_URL, $fileUrl);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, false); // 直接输出内容