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handle problems on failed retrieval of headers, when short-preview is switched on in message-list

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This commit is contained in:
leithoff 2016-06-02 14:48:19 +02:00
parent 28e3c78ee2
commit 8a6126f12f
1 changed files with 21 additions and 4 deletions
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25
api/src/Mail.php
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@ -1448,20 +1448,35 @@ class Mail
$_headerObject = $headersNew->get($id);
//error_log(__METHOD__.' ('.__LINE__.') '.array2string($_headerObject));
$headerObject = array();
$bodyPreview = null;
$uid = $headerObject['UID']= ($_headerObject->getUid()?$_headerObject->getUid():$id);
$headerObject['MSG_NUM'] = $_headerObject->getSeq();
$headerObject['SIZE'] = $_headerObject->getSize();
$headerObject['INTERNALDATE'] = $_headerObject->getImapDate();
// Get already cached headers, 'fetchHeaders' is a label matchimg above
$headerForPrio = array_change_key_case($_headerObject->getHeaders('fetchHeaders',Horde_Imap_Client_Data_Fetch::HEADER_PARSE)->toArray(), CASE_UPPER);
$headerForPrio = $_headerObject->getHeaders('fetchHeaders',Horde_Imap_Client_Data_Fetch::HEADER_PARSE)->toArray();
// Try to fetch header with key='' as some servers might have no fetchHeaders index. e.g. yandex.com
if (empty($headerForPrio)) $headerForPrio = array_change_key_case($_headerObject->getHeaders('',Horde_Imap_Client_Data_Fetch::HEADER_PARSE)->toArray(), CASE_UPPER);
if (empty($headerForPrio)) $headerForPrio = $_headerObject->getHeaders('',Horde_Imap_Client_Data_Fetch::HEADER_PARSE)->toArray();
//fetch the fullMsg part if all conditions match to be available in case $_headerObject->getHeaders returns
//nothing worthwhile (as it does for googlemail accounts, when preview is switched on
if ($_fetchPreviews)
{
// on enabled preview $bodyPreview is needed lateron. fetched here, for fallback-reasons
// in case of failed Header-Retrieval
$bodyPreview = $_headerObject->getFullMsg();
if (empty($headerForPrio)||(is_array($headerForPrio)&&count($headerForPrio)===1&&$headerForPrio['']))
{
$length = strpos($bodyPreview, Horde_Mime_Part::RFC_EOL.Horde_Mime_Part::RFC_EOL);
if ($length===false) $length = strlen($bodyPreview);
$headerForPrio = Horde_Mime_Headers::parseHeaders(substr($bodyPreview, 0,$length))->toArray();
}
}
$headerForPrio = array_change_key_case($headerForPrio, CASE_UPPER);
if (self::$debug) {
error_log(__METHOD__.' ('.__LINE__.') '.array2string($_headerObject).'UID:'.$_headerObject->getUid().' Size:'.$_headerObject->getSize().' Date:'.$_headerObject->getImapDate().'/'.DateTime::to($_headerObject->getImapDate(),'Y-m-d H:i:s'));
error_log(__METHOD__.' ('.__LINE__.') '.array2string($headerForPrio));
}
// message deleted from server but cache still reporting its existence ; may happen on QRESYNC with No permanent modsequences
if (empty($headerForPrio))
{
@ -1517,7 +1532,9 @@ class Mail
// existance (and the details) for attachments)
if ($_fetchPreviews)
{
$bodyPreview = $_headerObject->getFullMsg();
// $bodyPreview is populated at the beginning of the loop, as it may be
// needed to parse the Headers of the Message
if (empty($bodyPreview)) $bodyPreview = $_headerObject->getFullMsg();
//error_log(__METHOD__.' ('.__LINE__.') '.array2string($bodyPreview));
$base = Horde_Mime_Part::parseMessage($bodyPreview);
foreach($base->partIterator() as $part)