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Gracefully handle buggy messages with either missing or duplicated X-Kolab-Type headers

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This commit is contained in:
Thomas Bruederli 2013-02-27 09:49:07 +01:00
parent cf3426a4ae
commit fb5c1c40d1
1 changed files with 29 additions and 1 deletions
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30
plugins/libkolab/lib/kolab_storage_folder.php
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@ -458,12 +458,40 @@ class kolab_storage_folder
$this->imap->set_folder($folder);
$headers = $this->imap->get_message_headers($msguid);
$message = null;
// Message doesn't exist?
if (empty($headers)) {
return false;
}
// extract the X-Kolab-Type header from the XML attachment part if missing
if (empty($headers->others['x-kolab-type'])) {
$message = new rcube_message($msguid);
foreach ((array)$message->attachments as $part) {
if (strpos($part->mimetype, kolab_format::KTYPE_PREFIX) === 0) {
$headers->others['x-kolab-type'] = $part->mimetype;
break;
}
}
}
// fix buggy messages stating the X-Kolab-Type header twice
else if (is_array($headers->others['x-kolab-type'])) {
$headers->others['x-kolab-type'] = reset($headers->others['x-kolab-type']);
}
// no object type header found: abort
if (empty($headers->others['x-kolab-type'])) {
rcube::raise_error(array(
'code' => 600,
'type' => 'php',
'file' => __FILE__,
'line' => __LINE__,
'message' => "No X-Kolab-Type information found in message $msguid ($this->name).",
), true);
return false;
}
$object_type = kolab_format::mime2object_type($headers->others['x-kolab-type']);
$content_type = kolab_format::KTYPE_PREFIX . $object_type;
@ -471,7 +499,7 @@ class kolab_storage_folder
if ($type != '*' && $object_type != $type)
return false;
$message = new rcube_message($msguid);
if (!$message) $message = new rcube_message($msguid);
$attachments = array();
// get XML part