Fix drag-and-drop for attachments

inc/attachments.inc.php

@@ -40,23 +40,15 @@ function hesk_uploadFile($i, $isTicket = true)
 {
     global $hesk_settings, $hesklang, $trackingID, $hesk_error_buffer, $modsForHesk_settings;
 
-    $single_file = $i == -1;
     /* Return if name is empty */
-    $name = $single_file
-        ? $_FILES['attachment']['name']
-        : $_FILES['attachment']['name'][$i];
-
+    $name = $_FILES['attachment']['name'][$i];
     if (empty($name)) {
         return '';
     }
 
 
     /* Parse the name */
-    if ($single_file) {
-        $file_realname = hesk_cleanFileName($_FILES['attachment']['name']);
-    } else {
-        $file_realname = hesk_cleanFileName($_FILES['attachment']['name'][$i]);
-    }
+    $file_realname = hesk_cleanFileName($_FILES['attachment']['name'][$i]);
 
     /* Check file extension */
     $ext = strtolower(strrchr($file_realname, "."));
@@ -65,9 +57,7 @@ function hesk_uploadFile($i, $isTicket = true)
     }
 
     /* Check file size */
-    $size = $single_file
-        ? $_FILES['attachment']['size']
-        : $_FILES['attachment']['size'][$i];
+    $size = $_FILES['attachment']['size'][$i];
     if ($size > $hesk_settings['attachments']['max_size']) {
         return hesk_fileError(sprintf($hesklang['file_too_large'], $file_realname));
     } else {
@@ -98,9 +88,7 @@ function hesk_uploadFile($i, $isTicket = true)
     if (!$isTicket) {
         $directory = $modsForHesk_settings['kb_attach_dir'];
     }
-    $file_to_move = $single_file
-        ? $_FILES['attachment']['tmp_name']
-        : $_FILES['attachment']['tmp_name'][$i];
+    $file_to_move = $_FILES['attachment']['tmp_name'][$i];
     if (!move_uploaded_file($file_to_move, dirname(dirname(__FILE__)) . '/' . $directory . '/' . $file_name)) {
         return hesk_fileError($hesklang['cannot_move_tmp']);
     }

internal-api/admin/knowledgebase/upload-attachment.php

@@ -16,7 +16,7 @@ $modsForHesk_settings = mfh_getSettings();
 
 if (!empty($_FILES)) {
     // Only 1 files is ever processed through this endpoint at a time.
-    $id = upload_temp_attachment(-1, false);
+    $id = upload_temp_attachment(0, false);
     print json_encode($id);
     return http_response_code(200);
 }

internal-api/ticket/upload-attachment.php

@@ -16,7 +16,7 @@ $modsForHesk_settings = mfh_getSettings();
 
 if (!empty($_FILES)) {
     // Only 1 files is ever processed through this endpoint at a time.
-    $id = upload_temp_attachment(-1, true);
+    $id = upload_temp_attachment(0, true);
     print json_encode($id);
     return http_response_code(200);
 }