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* Mail: fix invalid domain name in headers stall whole mailbox

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Horde_Idna::decode() and Horde_Mime_Headers::toArray() throws Horde_Idna_Exception for invalid domain names in email addresses like "test@-domain.com", which stall display of whole folder
This commit is contained in:
Ralf Becker 2018-01-23 12:57:21 +01:00
parent a107d0a2ed
commit 034eddb37e
1 changed files with 50 additions and 10 deletions
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54
api/src/Mail.php
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@ -1368,6 +1368,34 @@ class Mail
return $retValue;
}
/**
* Convert Horde_Mime_Headers object to an associative array like Horde_Mime_Array::toArray()
*
* Catches Horde_Idna_Exception and returns raw header instead eg. for invalid domains like "test@-domain.com".
*
* @param Horde_Mime_Headers $headers
* @return array
*/
protected static function headers2array(Horde_Mime_Headers $headers)
{
try {
$arr = $headers->toArray();
}
catch(\Horde_Idna_Exception $e) {
$arr = array();
foreach($headers as $header)
{
try {
$val = $header->sendEncode();
} catch (\Horde_Idna_Exception $e) {
$val = (array)$header->value;
}
$arr[$header->name] = count($val) == 1 ? reset($val) : $val;
}
}
return $arr;
}
/**
* getHeaders
*
@ -1547,9 +1575,9 @@ class Mail
$headerObject['INTERNALDATE'] = $_headerObject->getImapDate();
// Get already cached headers, 'fetchHeaders' is a label matchimg above
$headerForPrio = $_headerObject->getHeaders('fetchHeaders',Horde_Imap_Client_Data_Fetch::HEADER_PARSE)->toArray();
$headerForPrio = self::headers2array($_headerObject->getHeaders('fetchHeaders',Horde_Imap_Client_Data_Fetch::HEADER_PARSE));
// Try to fetch header with key='' as some servers might have no fetchHeaders index. e.g. yandex.com
if (empty($headerForPrio)) $headerForPrio = $_headerObject->getHeaders('',Horde_Imap_Client_Data_Fetch::HEADER_PARSE)->toArray();
if (empty($headerForPrio)) $headerForPrio = self::headers2array($_headerObject->getHeaders('',Horde_Imap_Client_Data_Fetch::HEADER_PARSE));
//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)
@ -1561,7 +1589,7 @@ class Mail
{
$length = strpos($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();
$headerForPrio = self::headers2array(Horde_Mime_Headers::parseHeaders(substr($bodyPreview, 0,$length)));
}
}
$headerForPrio = array_change_key_case($headerForPrio, CASE_UPPER);
@ -2316,7 +2344,7 @@ class Mail
* decode header (or envelope information)
* if array given, note that only values will be converted
* @param mixed $_string input to be converted, if array call decode_header recursively on each value
* @param mixed/boolean $_tryIDNConversion (true/false AND FORCE): try IDN Conversion on domainparts of emailADRESSES
* @param boolean|string $_tryIDNConversion (true/false AND 'FORCE'): try IDN Conversion on domainparts of emailADRESSES
* @return mixed - based on the input type
*/
static function decode_header($_string, $_tryIDNConversion=false)
@ -2354,7 +2382,6 @@ class Mail
{
$rfcAddr = self::parseAddressList($_string);
$stringA = array();
//$_string = str_replace($rfcAddr[0]->host,Horde_Idna::decode($rfcAddr[0]->host),$_string);
foreach ($rfcAddr as $_rfcAddr)
{
if (!$_rfcAddr->valid)
@ -2362,8 +2389,15 @@ class Mail
$stringA = array();
break; // skip idna conversion if we encounter an error here
}
try {
$stringA[] = imap_rfc822_write_address($_rfcAddr->mailbox,Horde_Idna::decode($_rfcAddr->host),$_rfcAddr->personal);
}
// if Idna conversation fails, leave address unchanged
catch(\Exception $e) {
unset($e);
$stringA[] = imap_rfc822_write_address($_rfcAddr->mailbox, $_rfcAddr->host, $_rfcAddr->personal);
}
}
if (!empty($stringA)) $_string = implode(',',$stringA);
}
if ($_tryIDNConversion==='FORCE')
@ -6462,10 +6496,16 @@ class Mail
//$p = (string)$addressObject->personal;
$returnAddr .= (strlen($returnAddr)>0?',':'');
//error_log(__METHOD__.' ('.__LINE__.') '.$p.' <'.$mb.'@'.$h.'>');
try {
$buff = imap_rfc822_write_address($addressObject->mailbox, Horde_Idna::decode($addressObject->host), $addressObject->personal);
$buff = str_replace(array('<','>','"\'','\'"'),array('[',']','"','"'),$buff);
}
// if Idna conversation fails, leave address unchanged
catch (\Exception $e) {
unset($e);
$buff = imap_rfc822_write_address($addressObject->mailbox, $addressObject->host, $addressObject->personal);
}
$returnAddr .= str_replace(array('<','>','"\'','\'"'),array('[',']','"','"'),$buff);
//error_log(__METHOD__.' ('.__LINE__.') '.' Address: '.$returnAddr);
$returnAddr .= $buff;
}
}
else