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Use Horde_Mapi_Utils::
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@mrubinsk
mrubinsk committed Jan 4, 2014
1 parent 15a5cef commit fb73530
Showing 1 changed file with 5 additions and 102 deletions.
107 changes: 5 additions & 102 deletions framework/Compress/lib/Horde/Compress/Tnef.php
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Expand Up @@ -346,10 +346,11 @@ protected function _extractMapiAttributes($data, &$attachment_data)
$attachment_data[0]['url'] = $value;
break;
case self::MAPI_APPOINTMENT_START_WHOLE:
$attachment_data[0]['start_utc'] = new Horde_Date($this->_filetime2Unixtime($value), 'UTC');
file_put_contents('/tmp/filetime', $value);
$attachment_data[0]['start_utc'] = new Horde_Date(Horde_Mapi_Utils::filetimeToUnixtime($value), 'UTC');
break;
case self::MAPI_APPOINTMENT_END_WHOLE:
$attachment_data[0]['end_utc'] = new Horde_Date($this->_filetime2Unixtime($value), 'UTC');
$attachment_data[0]['end_utc'] = new Horde_Date(Horde_Mapi_Utils::filetimeToUnixtime($value), 'UTC');
break;
case self::MAPI_APPOINTMENT_DURATION:
$attachment_data[0]['duration'] = $value;
Expand All @@ -364,7 +365,7 @@ protected function _extractMapiAttributes($data, &$attachment_data)
$this->_lastModifier = $value;
break;
case self::MAPI_ENTRY_UID:
$attachment_data[0]['uid'] = $this->_getUidFromGoid(bin2hex($value));
$attachment_data[0]['uid'] = Horde_Mapi_Utils::getUidFromGoid(bin2hex($value));
break;
case self::MAPI_APPOINTMENT_RECUR:
// Need to decode this to fully support recurring meeting
Expand All @@ -374,7 +375,7 @@ protected function _extractMapiAttributes($data, &$attachment_data)
if (empty($attachment_data[0]['recurrence'])) {
$attachment_data[0]['recurrence'] = array();
}
$attachment_data[0]['recurrence']['recur'] = $value;
$attachment_data[0]['recurrence']['recur'] = $this->_parseRecurrence($value);
break;
case self::MAPI_RECURRING:
if (empty($attachment_data[0]['recurrence'])) {
Expand Down Expand Up @@ -556,102 +557,4 @@ protected function _checkiTip(&$out)
}
}

/**
* Converts a Windows FILETIME value to a unix timestamp.
*
* Adapted from:
* http://stackoverflow.com/questions/610603/help-me-translate-long-value-expressed-in-hex-back-in-to-a-date-time
*
* @param string $ft Binary representation of FILETIME from a pTypDate
* MAPI property.
*
* @return integer The unix timestamp.
*/
protected function _filetime2Unixtime($ft)
{
$ft = bin2hex($ft);
$dtval = substr($ft, 0, 16); // clip overlength string
$dtval = str_pad($dtval, 16, '0'); // pad underlength string
$quad = $this->_flipEndian($dtval);
$win64_datetime = $this->_hex2Bcint($quad);
return $this->_win642Unix($win64_datetime);
}

// swap little-endian to big-endian
protected function _flipEndian($str)
{
// make sure #digits is even
if ( strlen($str) & 1 )
$str = '0' . $str;

$t = '';
for ($i = strlen($str)-2; $i >= 0; $i-=2)
$t .= substr($str, $i, 2);

return $t;
}

// convert hex string to BC-int
protected function _hex2Bcint($str)
{
$hex = array(
'0'=>'0', '1'=>'1', '2'=>'2', '3'=>'3', '4'=>'4',
'5'=>'5', '6'=>'6', '7'=>'7', '8'=>'8', '9'=>'9',
'a'=>'10', 'b'=>'11', 'c'=>'12', 'd'=>'13', 'e'=>'14', 'f'=>'15',
'A'=>'10', 'B'=>'11', 'C'=>'12', 'D'=>'13', 'E'=>'14', 'F'=>'15'
);

$bci = '0';
$len = strlen($str);
for ($i = 0; $i < $len; ++$i) {
$bci = bcmul($bci, '16');
$ch = $str[$i];
if (isset($hex[$ch]))
$bci = bcadd($bci, $hex[$ch]);
}

return $bci;
}

protected function _win642Unix($bci)
{
// Unix epoch as a Windows file date-time value
$magicnum = '116444735995904000';
$t = bcsub($bci, $magicnum); // Cast to Unix epoch
return bcdiv($t, '10000000', 0); // Convert from ticks to seconds
}

/**
* Obtain the UID from a MAPI GOID.
*
* See http://msdn.microsoft.com/en-us/library/hh338153%28v=exchg.80%29.aspx
*
* @param string $goid Base64 encoded Global Object Identifier.
*
* @return string The UID
*/
protected function _getUidFromGoid($goid)
{
$goid = base64_decode($goid);

// First, see if it's an Outlook UID or not.
if (substr($goid, 40, 8) == 'vCal-Uid') {
// For vCal UID values:
// Bytes 37 - 40 contain length of data and padding
// Bytes 41 - 48 are == vCal-Uid
// Bytes 53 until next to the last byte (/0) contain the UID.
return trim(substr($goid, 52, strlen($goid) - 1));
} else {
// If it's not a vCal UID, then it is Outlook style UID:
// The entire decoded goid is converted to hex representation with
// bytes 17 - 20 converted to zero
$hex = array();
foreach (str_split($goid) as $chr) {
$hex[] = sprintf('%02X', ord($chr));
}
array_splice($hex, 16, 4, array('00', '00', '00', '00'));
return implode('', $hex);
}
}

}

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