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Diffstat (limited to 'program/lib/Roundcube/rcube_message.php')
-rw-r--r--program/lib/Roundcube/rcube_message.php17
1 files changed, 10 insertions, 7 deletions
diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php
index 0cc0766f5..f24ec3ed8 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
*
@@ -213,15 +211,19 @@ class rcube_message
}
$level = explode('.', $part->mime_id);
+ $depth = count($level);
- // 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 or mixed
while (array_pop($level) !== null) {
- if (!count($level)) {
+ $parent_depth = count($level);
+ if (!$parent_depth) {
return true;
}
$parent = $this->mime_parts[join('.', $level)];
- if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
+ if (!preg_match('/^multipart\/(alternative|related|signed|encrypted|mixed)$/', $parent->mimetype)
+ || ($parent->mimetype == 'multipart/mixed' && $parent_depth < $depth - 1)) {
continue 2;
}
}
@@ -530,8 +532,9 @@ class rcube_message
$part_mimetype = $mail_part->real_mimetype;
list($primary_type, $secondary_type) = explode('/', $part_mimetype);
}
- else
- $part_mimetype = $mail_part->mimetype;
+ else {
+ $part_mimetype = $part_orig_mimetype = $mail_part->mimetype;
+ }
// multipart/alternative
if ($primary_type == 'multipart') {