first commit

pdfjs/CVE-2024-4367/index.php

@@ -0,0 +1,33 @@
+<?php
+if (!empty($_FILES)):
+
+// Check for errors
+if($_FILES['file_upload']['error'] > 0){
+    die('An error ocurred when uploading.');
+}
+
+// Check filesize
+if(!is_uploaded_file($_FILES['file_upload']['tmp_name'])) {
+    die('File is not uploaded file');
+}
+
+$ext = pathinfo($_FILES['file_upload']['name'], PATHINFO_EXTENSION);
+if ($ext !== 'pdf') {
+    die('Unsupported filetype uploaded.');
+}
+
+$new_name = uniqid() . '.pdf';
+if(!move_uploaded_file($_FILES['file_upload']['tmp_name'], __DIR__ . '/upload/' . $new_name)){
+    die('Error uploading file - check destination is writeable.');
+}
+
+header('Location: /web/viewer.html?file=../upload/' . $new_name, true, 302);
+exit;
+else:
+?>
+<form method="post" enctype="multipart/form-data">
+    File: <input type="file" name="file_upload">
+    <input type="submit">
+</form>
+<?php
+endif;