/usr/share/php/Horde/Compress/Tnef.php is in php-horde-compress 2.0.7-1.
This file is owned by root:root, with mode 0o644.
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/**
* The Horde_Compress_Tnef class allows MS-TNEF data to be displayed.
*
* The TNEF rendering is based on code by:
* Graham Norbury <gnorbury@bondcar.com>
* Original design by:
* Thomas Boll <tb@boll.ch>, Mark Simpson <damned@world.std.com>
*
* Copyright 2002-2013 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Jan Schneider <jan@horde.org>
* @author Michael Slusarz <slusarz@horde.org>
* @author Michael J Rubinsky <mrubinsk@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Compress
*/
class Horde_Compress_Tnef extends Horde_Compress_Base
{
const SIGNATURE = 0x223e9f78;
const LVL_MESSAGE = 0x01;
const LVL_ATTACHMENT = 0x02;
const RTF_COMPRESSED = 0x75465a4c;
const RTF_UNCOMPRESSED = 0x414c454d;
const ASUBJECT = 0x88004;
const AMCLASS = 0x78008;
const ATTACHDATA = 0x6800f;
const AFILENAME = 0x18010;
const ARENDDATA = 0x69002;
const AMAPIPROPS = 0x69003;
const AMAPIATTRS = 0x69005;
const OEMCODEPAGE = 0x69007;
const AVERSION = 0x89006;
const ID_REQUEST_RESP = 0x40009;
const ID_FROM = 0x8000;
const ID_DATE_START = 0x30006;
const ID_DATE_END = 0x30007;
const AIDOWNER = 0x50008;
const MAPI_NULL = 0x0001;
const MAPI_SHORT = 0x0002;
const MAPI_INT = 0x0003;
const MAPI_FLOAT = 0x0004;
const MAPI_DOUBLE = 0x0005;
const MAPI_CURRENCY = 0x0006;
const MAPI_APPTIME = 0x0007;
const MAPI_ERROR = 0x000a;
const MAPI_BOOLEAN = 0x000b;
const MAPI_OBJECT = 0x000d;
const MAPI_INT8BYTE = 0x0014;
const MAPI_STRING = 0x001e;
const MAPI_UNICODE_STRING = 0x001f;
const MAPI_SYSTIME = 0x0040;
const MAPI_CLSID = 0x0048;
const MAPI_BINARY = 0x0102;
// MAPI START and END should always be also set in ID_DATE_START and
// ID_DATE_END so no need to translate them?
const MAPI_MEETING_REQUEST_TYPE = 0x0026;
const MAPI_MEETING_INITIAL = 0x00000001;
const MAPI_MEETING_FULL_UPDATE = 0x00010000;
const MAPI_MEETING_INFO = 0x00020000;
const MAPI_START_DATE = 0x0060;
const MAPI_END_DATE = 0x0061;
const MAPI_COMPRESSED = 0x1009;
const MAPI_IN_REPLY_TO_ID = 0x1042;
const MAPI_MESSAGE_CLASS = 0x001A;
const MAPI_TAG_SUBJECT_PREFIX = 0x003D;
const MAPI_CONVERSATION_TOPIC = 0x0070;
const MAPI_CREATION_TIME = 0x3007;
const MAPI_MODIFICATION_TIME = 0x3008;
const MAPI_ATTACH_DATA = 0x3701;
const MAPI_ATTACH_LONG_FILENAME = 0x3707;
const MAPI_ATTACH_MIME_TAG = 0x370E;
const MAPI_ORIGINAL_CREATORID = 0x3FF9;
const MAPI_LAST_MODIFIER_NAME = 0x3FFA;
const MAPI_CODEPAGE = 0x3FFD;
const MAPI_APPOINTMENT_SEQUENCE = 0x8201;
// Do we need this?
const MAPI_BUSY_STATUS = 0x8205;
const MAPI_APPOINTMENT_LOCATION = 0x8208;
const MAPI_APPOINTMENT_URL = 0x8209;
const MAPI_APPOINTMENT_START_WHOLE = 0x820D; // Full datetime of start (FILETIME format)
const MAPI_APPOINTMENT_END_WHOLE = 0x820E; // Full datetime of end (FILETIME format)
const MAPI_APPOINTMENT_DURATION = 0x8213; // duration in minutes.
const MAPI_APPOINTMENT_SUBTYPE = 0x8215; // (Boolean - all day event?)
const MAPI_APPOINTMENT_RECUR = 0x8216; // This seems to be a combined property of MAPI_RECURRING, MAPI_RECURRING_TYPE etc...?
const MAPI_APPOINTMENT_STATE_FLAGS = 0x8217; // (bitmap for meeting, received, cancelled?)
const MAPI_RESPONSE_STATUS = 0x8218;
const MAPI_RECURRING = 0x8223;
const MAPI_RECURRENCE_TYPE = 0x8231;
// tz. Not sure when to use STRUCT vs DEFINITION_RECUR. Possible ok to always use STRUCT?
const MAPI_TIMEZONE_STRUCT = 0x8233; // Timezone for recurring mtg?
const MAPI_TIMEZONE_DESCRIPTION = 0x8234; // Description for tz_struct?
const MAPI_START_CLIP_START = 0x8235; // Start datetime in UTC
const MAPI_START_CLIP_END = 0x8236; // End datetime in UTC
const MAPI_CONFERENCING_TYPE = 0x8241;
const MAPI_ORGANIZER_ALIAS = 0x8243; // Supposed to be organizer email, but it seems to be empty?
const MAPI_APPOINTMENT_COUNTER_PROPOSAL = 0x8257; // Boolean
const MAPI_TIMEZONE_START = 0x825E; // Timezone of start_whole
const MAPI_TIMEZONE_END = 0x825F; // Timezone of end_whole
const MAPI_TIMEZONE_DEFINITION_RECUR = 0x8260; // Timezone for use in converting meeting date/time in recurring meeting???
const MAPI_REMINDER_DELTA = 0x8501; // Minutes between start of mtg and overdue.
const MAPI_SIGNAL_TIME = 0x8502; // Initial alarm time.
const MAPI_REMINDER_SIGNAL_TIME = 0x8560; // Time that item becomes overdue.
const MAPI_ENTRY_UID = 0x0003; // GOID??
const MAPI_MEETING_TYPE = 0x0026;
const MAPI_NAMED_TYPE_ID = 0x0000;
const MAPI_NAMED_TYPE_STRING = 0x0001;
const MAPI_MV_FLAG = 0x1000;
const IPM_MEETING_REQUEST = 'IPM.Microsoft Schedule.MtgReq';
const IPM_MEETING_RESPONSE_POS = 'IPM.Microsoft Schedule.MtgRespP';
const IPM_MEETING_RESPONSE_NEG = 'IPM.Microsoft Schedule.MtgRespN';
const IPM_MEETING_RESPONSE_TENT = 'IPM.Microsoft Schedule.MtgRespA';
const IPM_MEETING_REQUEST_CANCELLED = 'IPM.Microsoft Schedule.MtgCncl';
const RECUR_DAILY = 0x200A;
const RECUR_WEEKLY = 0x200B;
const RECUR_MONTHLY = 0x200C;
const RECUR_YEARLY = 0x200D;
const PATTERN_DAY = 0x0000;
const PATTERN_WEEK = 0x0001;
const PATTERN_MONTH = 0x0002;
const PATTERN_MONTH_END = 0x0004;
const PATTERN_MONTH_NTH = 0x0003;
const RECUR_END_DATE = 0x00002021;
const RECUR_END_N = 0x00002022;
/**
*/
public $canDecompress = true;
/**
* Temporary cache of data needed to build an iTip from the encoded
* MAPI appointment properties.
*
* @var array
*/
protected $_iTip = array();
protected $_conversation_topic;
protected $_lastModifier;
/**
* @return array The decompressed data.
* @throws Horde_Compress_Exception
*/
public function decompress($data, array $params = array())
{
$out = array();
$message = array();
if ($this->_geti($data, 32) == self::SIGNATURE) {
// LegacyKey value - not used.
$this->_geti($data, 16);
while (strlen($data) > 0) {
switch ($this->_geti($data, 8)) {
case self::LVL_MESSAGE:
$this->_decodeMessageProperty($data);
break;
case self::LVL_ATTACHMENT:
$this->_decodeAttachment($data, $out);
break;
}
}
$this->_checkiTip($out);
}
return array_reverse($out);
}
/**
* Pop specified number of bytes from the buffer.
*
* @param string &$data The data string.
* @param integer $bytes How many bytes to retrieve.
*
* @return TODO
*/
protected function _getx(&$data, $bytes)
{
$value = null;
if (strlen($data) >= $bytes) {
$value = substr($data, 0, $bytes);
$data = substr_replace($data, '', 0, $bytes);
}
return $value;
}
/**
* Pop specified number of bits from the buffer
*
* @param string &$data The data string.
* @param integer $bits How many bits to retrieve.
*
* @return TODO
*/
protected function _geti(&$data, $bits)
{
$bytes = $bits / 8;
$value = null;
if (strlen($data) >= $bytes) {
$value = ord($data[0]);
if ($bytes >= 2) {
$value += (ord($data[1]) << 8);
}
if ($bytes >= 4) {
$value += (ord($data[2]) << 16) + (ord($data[3]) << 24);
}
$data = substr_replace($data, '', 0, $bytes);
}
return $value;
}
/**
* TODO
*
* @param string &$data The data string.
*
* @return @todo
*/
protected function _decodeAttribute(&$data)
{
$fetched = $this->_getx($data, $this->_geti($data, 32));
// checksum
$this->_geti($data, 16);
return $fetched;
}
/**
* TODO
*
* @param string $data The data string.
* @param array &$attachment_data TODO
*/
protected function _extractMapiAttributes($data, &$attachment_data)
{
/* Number of attributes. */
$number = $this->_geti($data, 32);
while ((strlen($data) > 0) && $number--) {
$have_mval = false;
$num_mval = 1;
$named_id = $value = null;
$attr_type = $this->_geti($data, 16);
$attr_name = $this->_geti($data, 16);
if (($attr_type & self::MAPI_MV_FLAG) != 0) {
$have_mval = true;
$attr_type = $attr_type & ~self::MAPI_MV_FLAG;
}
if (($attr_name >= 0x8000) && ($attr_name < 0xFFFE)) {
$this->_getx($data, 16);
$named_type = $this->_geti($data, 32);
switch ($named_type) {
case self::MAPI_NAMED_TYPE_ID:
$named_id = $this->_geti($data, 32);
$attr_name = $named_id;
break;
case self::MAPI_NAMED_TYPE_STRING:
$attr_name = 0x9999;
$idlen = $this->_geti($data, 32);
$datalen = $idlen + ((4 - ($idlen % 4)) % 4);
$named_id = substr($this->_getx($data, $datalen), 0, $idlen);
break;
}
}
if ($have_mval) {
$num_mval = $this->_geti($data, 32);
}
switch ($attr_type) {
case self::MAPI_SHORT:
$value = $this->_geti($data, 16);
break;
case self::MAPI_INT:
case self::MAPI_BOOLEAN:
for ($i = 0; $i < $num_mval; $i++) {
$value = $this->_geti($data, 32);
}
break;
case self::MAPI_FLOAT:
case self::MAPI_ERROR:
$value = $this->_getx($data, 4);
break;
case self::MAPI_DOUBLE:
case self::MAPI_APPTIME:
case self::MAPI_CURRENCY:
case self::MAPI_INT8BYTE:
case self::MAPI_SYSTIME:
$value = $this->_getx($data, 8);
break;
case self::MAPI_STRING:
case self::MAPI_UNICODE_STRING:
case self::MAPI_BINARY:
case self::MAPI_OBJECT:
$num_vals = ($have_mval) ? $num_mval : $this->_geti($data, 32);
for ($i = 0; $i < $num_vals; $i++) {
$length = $this->_geti($data, 32);
/* Pad to next 4 byte boundary. */
$datalen = $length + ((4 - ($length % 4)) % 4);
if ($attr_type == self::MAPI_STRING) {
--$length;
}
/* Read and truncate to length. */
$value = substr($this->_getx($data, $datalen), 0, $length);
}
break;
}
/* Store any interesting attributes. */
switch ($attr_name) {
case self::MAPI_ATTACH_LONG_FILENAME:
/* Used in preference to AFILENAME value. */
$attachment_data[0]['name'] = preg_replace('/.*[\/](.*)$/', '\1', $value);
$attachment_data[0]['name'] = str_replace("\0", '', $attachment_data[0]['name']);
break;
case self::MAPI_ATTACH_MIME_TAG:
/* Is this ever set, and what is format? */
$attachment_data[0]['type'] = preg_replace('/^(.*)\/.*/', '\1', $value);
$attachment_data[0]['type'] = str_replace("\0", '', $attachment_data[0]['type']);
$attachment_data[0]['subtype'] = preg_replace('/.*\/(.*)$/', '\1', $value);
$attachment_data[0]['subtype'] = str_replace("\0", '', $attachment_data[0]['subtype']);
break;
// MAPI properties for meeting requests/responses.
case self::MAPI_CONVERSATION_TOPIC:
$this->_conversation_topic = $value;
break;
case self::MAPI_APPOINTMENT_LOCATION:
$attachment_data[0]['location'] = $value;
break;
case self::MAPI_APPOINTMENT_URL:
$attachment_data[0]['url'] = $value;
break;
case self::MAPI_APPOINTMENT_START_WHOLE:
try {
$attachment_data[0]['start_utc'] = new Horde_Date(Horde_Mapi::filetimeToUnixtime($value), 'UTC');
} catch (Horde_Mapi_Exception $e) {
throw new Horde_Compress_Exception($e);
}
break;
case self::MAPI_APPOINTMENT_END_WHOLE:
try {
$attachment_data[0]['end_utc'] = new Horde_Date(Horde_Mapi::filetimeToUnixtime($value), 'UTC');
} catch (Horde_Mapi_Exception $e) {
throw new Horde_Compress_Exception($e);
}
break;
case self::MAPI_APPOINTMENT_DURATION:
$attachment_data[0]['duration'] = $value;
break;
case self::MAPI_APPOINTMENT_SUBTYPE:
$attachment_data[0]['allday'] = $value;
break;
case self::MAPI_ORGANIZER_ALIAS:
$attachment_data[0]['organizer'] = $value;
break;
case self::MAPI_LAST_MODIFIER_NAME:
$this->_lastModifier = $value;
break;
case self::MAPI_ENTRY_UID:
$attachment_data[0]['uid'] = Horde_Mapi::getUidFromGoid(bin2hex($value));
break;
case self::MAPI_APPOINTMENT_RECUR:
if (empty($attachment_data[0]['recurrence'])) {
$attachment_data[0]['recurrence'] = array();
}
$attachment_data[0]['recurrence']['recur'] = $this->_parseRecurrence($value);
break;
case self::MAPI_RECURRING:
if (empty($attachment_data[0]['recurrence'])) {
$attachment_data[0]['recurrence'] = array();
}
break;
case self::MAPI_RECURRENCE_TYPE:
$attachment_data[0]['recurrence']['type'] = $value;
break;
case self::MAPI_MEETING_REQUEST_TYPE:
$attachment_data[0]['type'] = $value;
break;
case self::MAPI_CREATION_TIME:
$attachment_data[0]['created'] = new Horde_Date(Horde_Mapi::filetimeToUnixtime($value), 'UTC');
break;
case self::MAPI_MODIFICATION_TIME:
$attachment_data[0]['modified'] = new Horde_Date(Horde_Mapi::filetimeToUnixtime($value), 'UTC');
break;
}
}
}
/**
* TODO
*
* @param string &$data The data string.
*/
protected function _decodeMessageProperty(&$data)
{
$attribute = $this->_geti($data, 32);
switch ($attribute) {
case self::AMCLASS:
// Start of a message.
$message_class = trim($this->_decodeAttribute($data));
// For now, we only care about the parts that can be represented
// as attachments.
switch ($message_class) {
case self::IPM_MEETING_REQUEST:
$this->_iTip[0]['method'] = 'REQUEST';
break;
case self::IPM_MEETING_REQUEST_CANCELLED:
$this->_iTip[0]['method'] = 'CANCEL';
break;
}
break;
case self::AIDOWNER:
$aid = $this->_decodeAttribute($data);
$this->_iTip[0]['aid'] = $this->_geti($aid, 32);
break;
case self::ID_REQUEST_RESP:
$response = $this->_decodeAttribute($data);
// This is a boolean value in the low-order bits and null byte in
// the high order bits.
$this->_iTip[0]['RequestResponse'] = $this->_geti($response, 16);
break;
case self::AMAPIPROPS:
$properties = $this->_decodeAttribute($data);
$this->_extractMapiAttributes($properties, $this->_iTip);
break;
default:
$this->_decodeAttribute($data);
}
}
/**
* TODO
*
* @param string &$data The data string.
* @param array &$attachment_data TODO
*/
protected function _decodeAttachment(&$data, &$attachment_data)
{
$attribute = $this->_geti($data, 32);
switch ($attribute) {
case self::ARENDDATA:
/* Marks start of new attachment. */
$this->_getx($data, $this->_geti($data, 32));
/* Checksum */
$this->_geti($data, 16);
/* Add a new default data block to hold details of this
attachment. Reverse order is easier to handle later! */
array_unshift($attachment_data, array('type' => 'application',
'subtype' => 'octet-stream',
'name' => 'unknown',
'stream' => ''));
break;
case self::AFILENAME:
/* Strip path. */
$attachment_data[0]['name'] = preg_replace('/.*[\/](.*)$/', '\1', $this->_getx($data, $this->_geti($data, 32)));
$attachment_data[0]['name'] = str_replace("\0", '', $attachment_data[0]['name']);
/* Checksum */
$this->_geti($data, 16);
break;
case self::ATTACHDATA:
/* The attachment itself. */
$length = $this->_geti($data, 32);
$attachment_data[0]['size'] = $length;
$attachment_data[0]['stream'] = $this->_getx($data, $length);
/* Checksum */
$this->_geti($data, 16);
break;
case self::AMAPIATTRS:
$length = $this->_geti($data, 32);
$value = $this->_getx($data, $length);
/* Checksum */
$this->_geti($data, 16);
$this->_extractMapiAttributes($value, $attachment_data);
break;
default:
$this->_decodeAttribute($data);
}
}
/**
* Generate an iTip from embedded TNEF MEETING data.
*
*/
protected function _checkiTip(&$out)
{
// Meeting requests will have 'type' set to a non-empty value.
if (!empty($this->_iTip[0]) && !empty($this->_iTip[0]['method'])) {
$iCal = new Horde_Icalendar();
// METHOD
if (!empty($this->_iTip[0]['type'])) {
switch ($this->_iTip[0]['type']) {
case self::MAPI_MEETING_INITIAL:
case self::MAPI_MEETING_FULL_UPDATE:
$method = 'REQUEST';
break;
case self::MAPI_MEETING_INFO:
$method = 'PUBLISH';
break;
}
} else {
$method = $this->_iTip[0]['method'];
}
$iCal->setAttribute('METHOD', $method);
// VEVENT
$vEvent = Horde_Icalendar::newComponent('vevent', $iCal);
if (empty($this->_iTip[0]['end_utc'])) {
return;
}
$end = clone $this->_iTip[0]['end_utc'];
$end->sec++;
if ($this->_iTip[0]['allday']) {
$vEvent->setAttribute('DTSTART', $this->_iTip[0]['start_utc'], array('VALUE' => 'DATE'));
$vEvent->setAttribute('DTEND', $end, array('VALUE' => 'DATE'));
} else {
$vEvent->setAttribute('DTSTART', $this->_iTip[0]['start_utc']);
$vEvent->setAttribute('DTEND', $end);
}
$vEvent->setAttribute('DTSTAMP', $_SERVER['REQUEST_TIME']);
$vEvent->setAttribute('UID', $this->_iTip[0]['uid']);
if (!empty($this->_iTip[0]['created'])) {
$vEvent->setAttribute('CREATED', $this->_iTip[0]['created']);
}
if (!empty($this->_iTip[0]['modified'])) {
$vEvent->setAttribute('LAST-MODIFIED', $this->_iTip[0]['modified']);
}
$vEvent->setAttribute('SUMMARY', $this->_conversation_topic);
if (empty($this->_iTip[0]['organizer']) && !empty($this->_lastModifier)) {
$email = $this->_lastModifier;
} else if (!empty($this->_iTip[0]['organizer'])) {
$email = $this->_iTip[0]['organizer'];
}
if (!empty($email)) {
$vEvent->setAttribute('ORGANIZER', 'mailto:' . $email);
}
if (!empty($this->_iTip[0]['url'])) {
$vEvent->setAttribute('URL', $this->_iTip[0]['url']);
}
if (!empty($this->_iTip[0]['recurrence']['recur'])) {
$rrule = $this->_iTip[0]['recurrence']['recur']->toRRule20($iCal);
$vEvent->setAttribute('RRULE', $rrule);
}
$iCal->addComponent($vEvent);
array_unshift($out, array(
'type' => 'text',
'subtype' => 'calendar',
'name' => $this->_conversation_topic,
'stream' => $iCal->exportvCalendar()));
}
}
protected function _parseRecurrence($value)
{
// both are 0x3004 (version strings);
$this->_geti($value, 16);
$this->_geti($value, 16);
$freq = $this->_geti($value, 16);
$pattern = $this->_geti($value, 16);
$calendarType = $this->_geti($value, 16);
$firstDt = $this->_geti($value, 32);
$period = $this->_geti($value, 32);
// Only used for tasks, otherwise value must be zero.
$flag = $this->_geti($value, 32);
// TypeSpecific field
switch ($pattern) {
case self::PATTERN_DAY:
// Nothing here to see, move along.
break;
case self::PATTERN_WEEK:
// Bits: 0/unused, 1/Saturday, 2/Friday, 3/Thursday, 4/Wednesday,
// 5/Tuesday, 6/Monday, 7/Sunday.
$day = $this->_geti($value, 8);
$this->_geti($value, 24);
break;
case self::PATTERN_MONTH:
case self::PATTERN_MONTH_END:
// Day of month on which the recurrence falls.
$day = $this->_geti($value, 32);
break;
case self::PATTERN_MONTH_NTH:
// Bits: 0/unused, 1/Saturday, 2/Friday, 3/Thursday, 4/Wednesday,
// 5/Tuesday, 6/Monday, 7/Sunday.
// For Nth Weekday of month
$day = $this->_geti($value, 8);
$this->_geti($value, 24);
$n = $this->_geti($value, 32);
break;
}
$end = $this->_geti($value, 32);
$count = $this->_geti($value, 32);
$fdow = $this->_geti($value, 32);
$deletedCount = $this->_geti($value, 32);
for ($i = 0; $i < $deletedCount; $i++) {
$deleted[] = $this->_geti($value, 32);
}
$modifiedCount = $this->_geti($value, 32);
for ($i = 0; $i < $modifiedCount; $i++) {
$modified[] = $this->_geti($value, 32);
}
// What Timezone are these in?
try {
$startDate = new Horde_Date(Horde_Mapi::filetimeToUnixtime($this->_geti($value, 32)));
$endDate = new Horde_Date(Horde_Mapi::filetimeToUnixtime($this->_geti($value, 32)));
} catch (Horde_Mapi_Exception $e) {
throw new Horde_Compress_Exception($e);
}
$rrule = new Horde_Date_Recurrence($startDate);
switch ($pattern) {
case self::PATTERN_DAY:
$rrule->setRecurType(Horde_Date_Recurrence::RECUR_DAILY);
break;
case self::PATTERN_WEEK:
$rrule->setRecurType(Horde_Date_Recurrence::RECUR_WEEKLY);
break;
case self::PATTERN_MONTH:
case self::PATTERN_MONTH_END:
$rrule->setRecurType(Horde_Date_Recurrence::RECUR_MONTHLY_DATE);
break;
case self::PATTERN_MONTH_NTH:
$rrule->setRecurType(Horde_Date_Recurrence::RECUR_MONTHLY_WEEKDAY);
break;
default:
if ($freq == self::RECUR_YEARLY) {
$rrule->setRecurType(Horde_Date_Recurrence::RECUR_YEARLY);
}
}
switch ($end) {
case self::RECUR_END_N:
$rrule->setRecurCount($count);
break;
case self::RECUR_END_DATE:
$rrule->setRecurEnd($endDate);
break;
}
return $rrule;
}
}
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