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-rw-r--r--program/lib/Roundcube/rcube_message.php7
1 files changed, 3 insertions, 4 deletions
diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php
index 0cc0766f5..9b662a286 100644
--- a/program/lib/Roundcube/rcube_message.php
+++ b/program/lib/Roundcube/rcube_message.php
@@ -195,8 +195,6 @@ class rcube_message
/**
* Determine if the message contains a HTML part. This must to be
* a real part not an attachment (or its part)
- * This must to be
- * a real part not an attachment (or its part)
*
* @param bool $enriched Enables checking for text/enriched parts too
*
@@ -214,14 +212,15 @@ class rcube_message
$level = explode('.', $part->mime_id);
- // Check if the part belongs to higher-level's alternative/related
+ // Check if the part belongs to higher-level's multipart part
+ // this can be alternative/related/signed/encrypted, but not mixed
while (array_pop($level) !== null) {
if (!count($level)) {
return true;
}
$parent = $this->mime_parts[join('.', $level)];
- if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
+ if (!preg_match('/^multipart\/(alternative|related|signed|encrypted)$/', $parent->mimetype)) {
continue 2;
}
}