Fix broken text/* attachments when forwarding/editing a message (#1489426)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix broken text/* attachments when forwarding/editing a message (#1489426)
 - Improved minified files handling, added css minification (#1486988)
 - Fix handling of X-Forwarded-For header with multiple addresses (#1489481)
 - Fix border issue on folders list in classic skin (#1489473)

program/lib/Roundcube/rcube_imap.php

@@ -2121,7 +2121,7 @@ class rcube_imap extends rcube_storage
         // convert charset (if text or message part)
         if ($body && preg_match('/^(text|message)$/', $o_part->ctype_primary)) {
             // Remove NULL characters if any (#1486189)
-            if (strpos($body, "\x00") !== false) {
+            if ($formatted && strpos($body, "\x00") !== false) {
                 $body = str_replace("\x00", '', $body);
             }
 

program/steps/mail/compose.inc

@@ -1286,12 +1286,12 @@ function rcmail_save_attachment(&$message, $pid)
     $temp_dir = unslashify($rcmail->config->get('temp_dir'));
     $path = tempnam($temp_dir, 'rcmAttmnt');
     if ($fp = fopen($path, 'w')) {
-      $message->get_part_content($pid, $fp);
+      $message->get_part_content($pid, $fp, true, 0, false);
       fclose($fp);
     } else
       return false;
   } else {
-    $data = $message->get_part_content($pid);
+    $data = $message->get_part_content($pid, null, true, 0, false);
   }
 
   $mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;