Add argument to fetch message parts only partially. Can be used for content mimetype detection without loading the entire file

1 files changed, 3 insertions, 2 deletions

diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php
index 87319f04f..4ef534a0a 100644
--- a/program/lib/Roundcube/rcube_message.php
+++ b/program/lib/Roundcube/rcube_message.php
@@ -173,10 +173,11 @@ class rcube_message
      * @param string   $mime_id           Part MIME-ID
      * @param resource $fp File           pointer to save the message part
      * @param boolean  $skip_charset_conv Disables charset conversion
+     * @param int      $max_bytes         Only read this number of bytes
      *
      * @return string Part content
      */
-    public function get_part_content($mime_id, $fp = null, $skip_charset_conv = false)
+    public function get_part_content($mime_id, $fp = null, $skip_charset_conv = false, $max_bytes = 0)
     {
         if ($part = $this->mime_parts[$mime_id]) {
             // stored in message structure (winmail/inline-uuencode)
@@ -190,7 +191,7 @@ class rcube_message
             // get from IMAP
             $this->storage->set_folder($this->folder);
 
-            return $this->storage->get_message_part($this->uid, $mime_id, $part, NULL, $fp, $skip_charset_conv);
+            return $this->storage->get_message_part($this->uid, $mime_id, $part, NULL, $fp, $skip_charset_conv, $max_bytes);
         }
     }