Add partial-download support for curl requests

dompdf · Jun 14, 2022 · 5abe328 · 5abe328
1 parent bb1ef65
commit 5abe328
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/Helpers.php b/src/Helpers.php
@@ -908,6 +908,14 @@ public static function getFileContent($uri, $context = null, $offset = 0, $maxle
                     curl_setopt($curl, CURLOPT_RESUME_FROM, $offset);
                 }
 
+                if ($maxlen > 0) {
+                    curl_setopt($curl, CURLOPT_BUFFERSIZE, 128);
+                    curl_setopt($curl, CURLOPT_NOPROGRESS, false);
+                    curl_setopt($curl, CURLOPT_PROGRESSFUNCTION, function ($res, $download_size_total, $download_size, $upload_size_total, $upload_size) use ($maxlen) {
+                        return ($download_size > $maxlen) ? 1 : 0;
+                    });
+                }
+
                 $context_options = [];
                 if (!is_null($context)) {
                     $context_options = stream_context_get_options($context);