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894dfc127c
egroupware_official/calendar/inc/class.boical.inc.php
Patrick Bihan-Faou 894dfc127c Add support for vcalendar 2.0 valarm elements 
tracker #1480, thanks for the patch
2008-03-27 08:31:17 +00:00

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<?php
/**************************************************************************\
* eGroupWare - iCalendar Parser *
* http://www.egroupware.org *
* Written by Lars Kneschke <lkneschke@egroupware.org> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License. *
\**************************************************************************/
/* $Id$ */
require_once EGW_SERVER_ROOT.'/calendar/inc/class.bocalupdate.inc.php';
require_once EGW_SERVER_ROOT.'/phpgwapi/inc/horde/Horde/iCalendar.php';
/**
* iCal import and export via Horde iCalendar classes
*
* @package calendar
* @author Lars Kneschke <lkneschke@egroupware.org>
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
*/
class boical extends bocalupdate
{
/**
* @var array $supportedFields array containing the supported fields of the importing device
*/
var $supportedFields;
var $recur_days_1_0 = array(
MCAL_M_MONDAY => 'MO',
MCAL_M_TUESDAY => 'TU',
MCAL_M_WEDNESDAY => 'WE',
MCAL_M_THURSDAY => 'TH',
MCAL_M_FRIDAY => 'FR',
MCAL_M_SATURDAY => 'SA',
MCAL_M_SUNDAY => 'SU',
);
/**
* @var array $status_egw2ical conversation of the participant status egw => ical
*/
var $status_egw2ical = array(
'U' => 'NEEDS-ACTION',
'A' => 'ACCEPTED',
'R' => 'DECLINED',
'T' => 'TENTATIVE',
);
/**
* @var array conversation of the participant status ical => egw
*/
var $status_ical2egw = array(
'NEEDS-ACTION' => 'U',
'ACCEPTED' => 'A',
'DECLINED' => 'R',
'TENTATIVE' => 'T',
);
/**
* @var array $status_ical2egw conversation of the priority egw => ical
*/
var $priority_egw2ical = array(
0 => 0, // undefined
1 => 9, // low
2 => 5, // normal
3 => 1, // high
);
/**
* @var array $status_ical2egw conversation of the priority ical => egw
*/
var $priority_ical2egw = array(
0 => 0, // undefined
9 => 1, 8 => 1, 7 => 1, 6 => 1, // low
5 => 2, // normal
4 => 3, 2 => 3, 3 => 3, 1 => 3, // high
);
/**
* @var array $recur_egw2ical_2_0 converstaion of egw recur-type => ical FREQ
*/
var $recur_egw2ical_2_0 = array(
MCAL_RECUR_DAILY => 'DAILY',
MCAL_RECUR_WEEKLY => 'WEEKLY',
MCAL_RECUR_MONTHLY_MDAY => 'MONTHLY', // BYMONHTDAY={1..31}
MCAL_RECUR_MONTHLY_WDAY => 'MONTHLY', // BYDAY={1..5}{MO..SO}
MCAL_RECUR_YEARLY => 'YEARLY',
);
/**
* @var array $recur_egw2ical_1_0 converstaion of egw recur-type => ical FREQ
*/
var $recur_egw2ical_1_0 = array(
MCAL_RECUR_DAILY => 'D',
MCAL_RECUR_WEEKLY => 'W',
MCAL_RECUR_MONTHLY_MDAY => 'MD', // BYMONHTDAY={1..31}
MCAL_RECUR_MONTHLY_WDAY => 'MP', // BYDAY={1..5}{MO..SO}
MCAL_RECUR_YEARLY => 'YM',
);
/**
* manufacturer and name of the sync-client
*
* @var string
*/
var $productManufacturer = 'file';
var $productName = '';
/**
* Exports one calendar event to an iCalendar item
*
* @param int/array $events (array of) cal_id or array of the events
* @param string $method='PUBLISH'
* @return string/boolean string with vCal or false on error (eg. no permission to read the event)
*/
function &exportVCal($events,$version='1.0', $method='PUBLISH')
{
$egwSupportedFields = array(
'CLASS' => array('dbName' => 'public'),
'SUMMARY' => array('dbName' => 'title'),
'DESCRIPTION' => array('dbName' => 'description'),
'LOCATION' => array('dbName' => 'location'),
'DTSTART' => array('dbName' => 'start'),
'DTEND' => array('dbName' => 'end'),
'ORGANIZER' => array('dbName' => 'owner'),
'ATTENDEE' => array('dbName' => 'participants'),
'RRULE' => array('dbName' => 'recur_type'),
'EXDATE' => array('dbName' => 'recur_exception'),
'PRIORITY' => array('dbName' => 'priority'),
'TRANSP' => array('dbName' => 'non_blocking'),
'CATEGORIES' => array('dbName' => 'category'),
);
if(!is_array($this->supportedFields))
{
$this->setSupportedFields();
}
if($this->productManufacturer == '' )
{ // syncevolution is broken
$version = "2.0";
}
$palm_enddate_workaround=False;
if($this->productManufacturer == 'Synthesis AG'
&& strpos($this->productName, "PalmOS") )
{
// This workaround adds 1 day to the recur_enddate if it exists, to fix a palm bug
$palm_enddate_workaround=True;
}
$vcal = &new Horde_iCalendar;
$vcal->setAttribute('PRODID','-//eGroupWare//NONSGML eGroupWare Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
strtoupper($GLOBALS['egw_info']['user']['preferences']['common']['lang']));
$vcal->setAttribute('VERSION',$version);
$vcal->setAttribute('METHOD',$method);
if (!is_array($events)) $events = array($events);
foreach($events as $event)
{
if (!is_array($event) && !($event = $this->read($event,null,false,'server'))) // server = timestamp in server-time(!)
{
return false; // no permission to read $cal_id
}
//_debug_array($event);
// correct daylight saving time
/* causes times wrong by one hour, if exporting events with DST different from the current date,
which this fix is suppost to fix. Maybe the problem has been fixed in the horde code too.
$currentDST = date('I', mktime());
$eventDST = date('I', $event['start']);
$DSTCorrection = ($currentDST - $eventDST) * 3600;
$event['start'] = $event['start'] + $DSTCorrection;
$event['end'] = $event['end'] + $DSTCorrection;
*/
$eventGUID = $GLOBALS['egw']->common->generate_uid('calendar',$event['id']);
$vevent = Horde_iCalendar::newComponent('VEVENT',$vcal);
$parameters = $attributes = array();
foreach($egwSupportedFields as $icalFieldName => $egwFieldInfo)
{
if($this->supportedFields[$egwFieldInfo['dbName']])
{
switch($icalFieldName)
{
case 'ATTENDEE':
foreach((array)$event['participants'] as $uid => $status)
{
// ToDo, this needs to deal with resources too!!!
if (!is_numeric($uid)) continue;
$mailto = $GLOBALS['egw']->accounts->id2name($uid,'account_email');
$cn = trim($GLOBALS['egw']->accounts->id2name($uid,'account_firstname'). ' ' .
$GLOBALS['egw']->accounts->id2name($uid,'account_lastname'));
$attributes['ATTENDEE'][] = $mailto ? 'MAILTO:'. $cn .'<'. $mailto .'>' : '';
// ROLE={CHAIR|REQ-PARTICIPANT|OPT-PARTICIPANT|NON-PARTICIPANT} NOT used by eGW atm.
$role = $uid == $event['owner'] ? 'CHAIR' : 'REQ-PARTICIPANT';
// RSVP={TRUE|FALSE} // resonse expected, not set in eGW => status=U
$rsvp = $status == 'U' ? 'TRUE' : 'FALSE';
// PARTSTAT={NEEDS-ACTION|ACCEPTED|DECLINED|TENTATIVE|DELEGATED|COMPLETED|IN-PROGRESS} everything from delegated is NOT used by eGW atm.
$status = $this->status_egw2ical[$status];
// CUTYPE={INDIVIDUAL|GROUP|RESOURCE|ROOM|UNKNOWN}
switch (is_numeric($uid) ? $GLOBALS['egw']->accounts->get_type($uid) : $uid{0})
{
case 'g':
$cutype = 'GROUP';
break;
case 'r':
$cutype = 'RESOURCE';
break;
case 'u':
$cutype = 'INDIVIDUAL';
break;
default:
$cutype = 'UNKNOWN';
$cutype = 'INDIVIDUAL';
break;
};
$parameters['ATTENDEE'][] = array(
'CN' => $cn,
'ROLE' => $role,
'PARTSTAT' => $status,
'CUTYPE' => $cutype,
'RSVP' => $rsvp,
);
}
break;
case 'CLASS':
$attributes['CLASS'] = $event['public'] ? 'PUBLIC' : 'PRIVATE';
break;
case 'ORGANIZER': // according to iCalendar standard, ORGANIZER not used for events in the own calendar
if (!isset($event['participants'][$event['owner']]) || count($event['participants']) > 1)
{
$mailtoOrganizer = $GLOBALS['egw']->accounts->id2name($event['owner'],'account_email');
$attributes['ORGANIZER'] = $mailtoOrganizer ? 'MAILTO:'.$mailtoOrganizer : '';
$parameters['ORGANIZER']['CN'] = trim($GLOBALS['egw']->accounts->id2name($event['owner'],'account_firstname').' '.
$GLOBALS['egw']->accounts->id2name($event['owner'],'account_lastname'));
}
break;
case 'DTEND':
if(date('H:i:s',$event['end']) == '23:59:59') $event['end']++;
if(date('H:i:s',$event['end']) == '23:59:00') $event['end']+=60; // needed by old eGW whole-day events
$attributes[$icalFieldName] = $event['end'];
break;
case 'RRULE':
if ($event['recur_type'] == MCAL_RECUR_NONE) break; // no recuring event
if ($version == '1.0') {
$interval = ($event['recur_interval'] > 1) ? $event['recur_interval'] : 1;
$rrule = array('FREQ' => $this->recur_egw2ical_1_0[$event['recur_type']].$interval);
switch ($event['recur_type'])
{
case MCAL_RECUR_WEEKLY:
$days = array();
foreach($this->recur_days_1_0 as $id => $day)
{
if ($event['recur_data'] & $id) $days[] = strtoupper(substr($day,0,2));
}
$rrule['BYDAY'] = implode(' ',$days);
$rrule['FREQ'] = $rrule['FREQ'].' '.$rrule['BYDAY'];
break;
case MCAL_RECUR_MONTHLY_MDAY: // date of the month: BYMONTDAY={1..31}
break;
case MCAL_RECUR_MONTHLY_WDAY: // weekday of the month: BDAY={1..5}{MO..SO}
$rrule['BYDAY'] = (1 + (int) ((date('d',$event['start'])-1) / 7)).'+ '.
strtoupper(substr(date('l',$event['start']),0,2));
$rrule['FREQ'] = $rrule['FREQ'].' '.$rrule['BYDAY'];
break;
}
if ($event['recur_enddate'])
{
$recur_enddate = (int)$event['recur_enddate'];
if ($palm_enddate_workaround)
{
$recur_enddate += 86400;
}
$rrule['UNTIL'] = date('Ymd',$recur_enddate);
}
else
{
$rrule['UNTIL'] = '#0';
}
$attributes['RRULE'] = $rrule['FREQ'].' '.$rrule['UNTIL'];
} else {
$rrule = array('FREQ' => $this->recur_egw2ical_2_0[$event['recur_type']]);
switch ($event['recur_type'])
{
case MCAL_RECUR_WEEKLY:
$days = array();
foreach($this->recur_days as $id => $day)
{
if ($event['recur_data'] & $id) $days[] = strtoupper(substr($day,0,2));
}
$rrule['BYDAY'] = implode(',',$days);
break;
case MCAL_RECUR_MONTHLY_MDAY: // date of the month: BYMONTDAY={1..31}
$rrule['BYMONTHDAY'] = (int) date('d',$event['start']);
break;
case MCAL_RECUR_MONTHLY_WDAY: // weekday of the month: BDAY={1..5}{MO..SO}
$rrule['BYDAY'] = (1 + (int) ((date('d',$event['start'])-1) / 7)).
strtoupper(substr(date('l',$event['start']),0,2));
break;
}
if ($event['recur_interval'] > 1) $rrule['INTERVAL'] = $event['recur_interval'];
if ($event['recur_enddate']) $rrule['UNTIL'] = date('Ymd',$event['recur_enddate']); // only day is set in eGW
// no idea how to get the Horde parser to produce a standard conformant
// RRULE:FREQ=... (note the double colon after RRULE, we cant use the $parameter array)
// so we create one value manual ;-)
foreach($rrule as $name => $value)
{
$attributes['RRULE'][] = $name . '=' . $value;
}
$attributes['RRULE'] = implode(';',$attributes['RRULE']);
}
break;
case 'EXDATE':
if ($event['recur_exception'])
{
$days = array();
foreach($event['recur_exception'] as $day)
{
$days[] = date('Ymd',$day);
}
$attributes['EXDATE'] = implode(',',$days);
$parameters['EXDATE']['VALUE'] = 'DATE';
}
break;
case 'PRIORITY':
$attributes['PRIORITY'] = (int) $this->priority_egw2ical[$event['priority']];
break;
case 'TRANSP':
if ($version == '1.0') {
$attributes['TRANSP'] = $event['non_blocking'] ? 1 : 0;
} else {
$attributes['TRANSP'] = $event['non_blocking'] ? 'TRANSPARENT' : 'OPAQUE';
}
break;
case 'CATEGORIES':
if ($event['category'])
{
$attributes['CATEGORIES'] = implode(',',$this->get_categories($event['category']));
}
break;
default:
if ($event[$egwFieldInfo['dbName']]) // dont write empty fields
{
$attributes[$icalFieldName] = $event[$egwFieldInfo['dbName']];
}
break;
}
}
}
if(strtolower($this->productManufacturer) == 'nokia') {
if($event['special'] == '1') {
$attributes['X-EPOCAGENDAENTRYTYPE'] = 'ANNIVERSARY';
$attributes['DTEND'] = $attributes['DTSTART'];
} else {
$attributes['X-EPOCAGENDAENTRYTYPE'] = 'APPOINTMENT';
}
}
$modified = $GLOBALS['egw']->contenthistory->getTSforAction($eventGUID,'modify');
$created = $GLOBALS['egw']->contenthistory->getTSforAction($eventGUID,'add');
if (!$created && !$modified) $created = $event['modified'];
if ($created) $attributes['CREATED'] = $created;
if (!$modified) $modified = $event['modified'];
if ($modified) $attributes['LAST-MODIFIED'] = $modified;
foreach($event['alarm'] as $alarmID => $alarmData)
{
if ($version == '1.0')
{
$attributes['DALARM'] = $vcal->_exportDateTime($alarmData['time']);
$attributes['AALARM'] = $vcal->_exportDateTime($alarmData['time']);
// lets take only the first alarm
break;
}
else
{
// VCalendar 2.0 / RFC 2445
// skip over alarms that don't have the minimum required info
if (!$alarmData['offset'] && !$alarmData['time'])
{
error_log("Couldn't add VALARM (no alarm time info)");
continue;
}
// RFC requires DESCRIPTION for DISPLAY
if (!$event['title'] && !$event['description'])
{
error_log("Couldn't add VALARM (no description)");
continue;
}
$valarm = Horde_iCalendar::newComponent('VALARM',$vevent);
if ($alarmData['offset'])
{
$valarm->setAttribute('TRIGGER', -$alarmData['offset'],
array('VALUE' => 'DURATION', 'RELATED' => 'START'));
}
else
{
$valarm->setAttribute('TRIGGER', $alarmData['time'],
array('VALUE' => 'DATE-TIME'));
}
$valarm->setAttribute('ACTION','DISPLAY');
$valarm->setAttribute('DESCRIPTION',$event['title'] ? $event['title'] : $event['description']);
$vevent->addComponent($valarm);
}
}
$attributes['UID'] = $eventGUID;
foreach($attributes as $key => $value)
{
foreach(is_array($value) ? $value : array($value) as $valueID => $valueData)
{
$valueData = $GLOBALS['egw']->translation->convert($valueData,$GLOBALS['egw']->translation->charset(),'UTF-8');
$paramData = (array) $GLOBALS['egw']->translation->convert(is_array($value) ? $parameters[$key][$valueID] : $parameters[$key],
$GLOBALS['egw']->translation->charset(),'UTF-8');
//echo "$key:$valueID: value=$valueData, param=".print_r($paramDate,true)."\n";
$vevent->setAttribute($key, $valueData, $paramData);
$options = array();
if($key != 'RRULE' && preg_match('/([\000-\012\015\016\020-\037\075])/',$valueData))
{
$options['ENCODING'] = 'QUOTED-PRINTABLE';
}
if(preg_match('/([\177-\377])/',$valueData))
{
$options['CHARSET'] = 'UTF-8';
}
$vevent->setParameter($key, $options);
}
}
$vcal->addComponent($vevent);
}
//_debug_array($vcal->exportvCalendar());
return $vcal->exportvCalendar();
}
function importVCal($_vcalData, $cal_id=-1)
{
// our (patched) horde classes, do NOT unfold folded lines, which causes a lot trouble in the import
$_vcalData = preg_replace("/[\r\n]+ /",'',$_vcalData);
$vcal = &new Horde_iCalendar;
if(!$vcal->parsevCalendar($_vcalData)) {
return FALSE;
}
$version = $vcal->getAttribute('VERSION');
if(!is_array($this->supportedFields))
{
$this->setSupportedFields();
}
//echo "supportedFields="; _debug_array($this->supportedFields);
$syncevo_enddate_fix = False;
if( $this->productManufacturer == '' && $this->productName == '' )
{
// syncevolution needs an adjusted recur_enddate
$syncevo_enddate_fix = True;
}
$Ok = false; // returning false, if file contains no components
foreach($vcal->getComponents() as $component)
{
if(is_a($component, 'Horde_iCalendar_vevent'))
{
$supportedFields = $this->supportedFields;
#$event = array('participants' => array());
$event = array();
$alarms = array();
$vcardData = array(
'recur_type' => MCAL_RECUR_NONE,
'recur_exception' => array(),
);
// lets see what we can get from the vcard
foreach($component->_attributes as $attributes)
{
switch($attributes['name'])
{
case 'AALARM':
case 'DALARM':
if (preg_match('/.*Z$/',$attributes['value'],$matches)) {
$alarmTime = $vcal->_parseDateTime($attributes['value']);
$alarms[$alarmTime] = array(
'time' => $alarmTime
);
} elseif (preg_match('/(........T......);;(\d*);$/',$attributes['value'],$matches)) {
//error_log(print_r($matches,true));
$alarmTime = $vcal->_parseDateTime($matches[1]);
$alarms[$alarmTime] = array(
'time' => $alarmTime
);
} elseif (preg_match('/(........T......Z);;(\d*);$/',$attributes['value'],$matches)) {
//error_log(print_r($matches,true));
$alarmTime = $vcal->_parseDateTime($matches[1]);
$alarms[$alarmTime] = array(
'time' => $alarmTime
);
} elseif (preg_match('/(........T......)$/',$attributes['value'],$matches)) {
$alarmTime = $vcal->_parseDateTime($attributes['value']);
$alarms[$alarmTime] = array(
'time' => $alarmTime
);
}
break;
case 'CLASS':
$vcardData['public'] = (int)(strtolower($attributes['value']) == 'public');
break;
case 'DESCRIPTION':
$vcardData['description'] = $attributes['value'];
break;
case 'DTEND':
$dtend_ts = is_numeric($attributes['value']) ? $attributes['value'] : $this->date2ts($attributes['value']);
if(date('H:i:s',$dtend_ts) == '00:00:00') {
$dtend_ts -= 60;
}
$vcardData['end'] = $dtend_ts;
break;
case 'DTSTART':
$vcardData['start'] = $attributes['value'];
break;
case 'LOCATION':
$vcardData['location'] = $attributes['value'];
break;
case 'RRULE':
$recurence = $attributes['value'];
$type = preg_match('/FREQ=([^;: ]+)/i',$recurence,$matches) ? $matches[1] : $recurence{0};
// vCard 2.0 values for all types
if (preg_match('/UNTIL=([0-9T]+)/',$recurence,$matches))
{
$vcardData['recur_enddate'] = $vcal->_parseDateTime($matches[1]);
}
elseif (preg_match('/COUNT=([0-9]+)/',$recurence,$matches))
{
$vcardData['recur_count'] = (int)$matches[1];
}
if (preg_match('/INTERVAL=([0-9]+)/',$recurence,$matches))
{
// 1 is invalid,, egw uses 0 for interval
$vcardData['recur_interval'] = (int) $matches[1] != 0 ? (int) $matches[1] : 0;
}
$vcardData['recur_data'] = 0;
switch($type)
{
case 'W':
case 'WEEKLY':
$days = array();
if(preg_match('/W(\d+) (.*) (.*)/',$recurence, $recurenceMatches)) // 1.0
{
$vcardData['recur_interval'] = $recurenceMatches[1];
$days = explode(' ',trim($recurenceMatches[2]));
if($recurenceMatches[3] != '#0')
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[3]);
$recur_days = $this->recur_days_1_0;
}
elseif (preg_match('/BYDAY=([^;: ]+)/',$recurence,$recurenceMatches)) // 2.0
{
$days = explode(',',$recurenceMatches[1]);
$recur_days = $this->recur_days;
}
if ($days)
{
foreach($recur_days as $id => $day)
{
if (in_array(strtoupper(substr($day,0,2)),$days))
{
$vcardData['recur_data'] |= $id;
}
}
$vcardData['recur_type'] = MCAL_RECUR_WEEKLY;
}
if (!empty($vcardData['recur_count']))
{
$vcardData['recur_enddate'] = mktime(0,0,0,
date('m',$vcardData['start']),
date('d',$vcardData['start']) + ($vcardData['recur_interval']*($vcardData['recur_count']-1)*7),
date('Y',$vcardData['start']));
}
break;
case 'D': // 1.0
if(preg_match('/D(\d+) #(.\d)/', $recurence, $recurenceMatches)) {
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] > 0 && $vcardData['end']) {
$vcardData['recur_enddate'] = mktime(
date('H', $vcardData['end']),
date('i', $vcardData['end']),
date('s', $vcardData['end']),
date('m', $vcardData['end']),
date('d', $vcardData['end']) + ($recurenceMatches[2] * $vcardData['recur_interval']),
date('Y', $vcardData['end'])
);
}
} elseif(preg_match('/D(\d+) (.*)/', $recurence, $recurenceMatches)) {
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] != '#0') {
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[2]);
}
} else {
break;
}
// fall-through
case 'DAILY': // 2.0
$vcardData['recur_type'] = MCAL_RECUR_DAILY;
if (!empty($vcardData['recur_count']))
{
$vcardData['recur_enddate'] = mktime(0,0,0,
date('m',$vcardData['start']),
date('d',$vcardData['start']) + ($vcardData['recur_interval']*($vcardData['recur_count']-1)),
date('Y',$vcardData['start']));
}
break;
case 'M':
if(preg_match('/MD(\d+) #(.\d)/', $recurence, $recurenceMatches)) {
$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_MDAY;
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] > 0 && $vcardData['end']) {
$vcardData['recur_enddate'] = mktime(
date('H', $vcardData['end']),
date('i', $vcardData['end']),
date('s', $vcardData['end']),
date('m', $vcardData['end']) + ($recurenceMatches[2] * $vcardData['recur_interval']),
date('d', $vcardData['end']),
date('Y', $vcardData['end'])
);
}
} elseif(preg_match('/MD(\d+) (.*)/',$recurence, $recurenceMatches)) {
$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_MDAY;
if($recurenceMatches[1] > 1)
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] != '#0')
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[2]);
} elseif(preg_match('/MP(\d+) (.*) (.*) (.*)/',$recurence, $recurenceMatches)) {
$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_WDAY;
if($recurenceMatches[1] > 1)
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[4] != '#0')
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[4]);
}
break;
case 'MONTHLY':
$vcardData['recur_type'] = strpos($recurence,'BYDAY') !== false ?
MCAL_RECUR_MONTHLY_WDAY : MCAL_RECUR_MONTHLY_MDAY;
if (!empty($vcardData['recur_count']))
{
$vcardData['recur_enddate'] = mktime(0,0,0,
date('m',$vcardData['start']) + ($vcardData['recur_interval']*($vcardData['recur_count']-1)),
date('d',$vcardData['start']),
date('Y',$vcardData['start']));
}
break;
case 'Y': // 1.0
if(preg_match('/YM(\d+) #(.\d)/', $recurence, $recurenceMatches)) {
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] > 0 && $vcardData['end']) {
$vcardData['recur_enddate'] = mktime(
date('H', $vcardData['end']),
date('i', $vcardData['end']),
date('s', $vcardData['end']),
date('m', $vcardData['end']),
date('d', $vcardData['end']),
date('Y', $vcardData['end']) + ($recurenceMatches[2] * $vcardData['recur_interval'])
);
}
} elseif(preg_match('/YM(\d+) (.*)/',$recurence, $recurenceMatches)) {
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] != '#0') {
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[2]);
}
} else {
break;
}
// fall-through
case 'YEARLY': // 2.0
$vcardData['recur_type'] = MCAL_RECUR_YEARLY;
if (!empty($vcardData['recur_count']))
{
$vcardData['recur_enddate'] = mktime(0,0,0,
date('m',$vcardData['start']),
date('d',$vcardData['start']),
date('Y',$vcardData['start']) + ($vcardData['recur_interval']*($vcardData['recur_count']-1)));
}
break;
}
if( $syncevo_enddate_fix && $vcardData['recur_enddate'] )
{
// Does syncevolution need to adjust recur_enddate
$vcardData['recur_enddate'] = (int)$vcardData['recur_enddate'] + 86400;
}
break;
case 'EXDATE':
$vcardData['recur_exception'] = array_merge($vcardData['recur_exception'],$attributes['value']);
break;
case 'SUMMARY':
$vcardData['title'] = $attributes['value'];
break;
case 'UID':
$event['uid'] = $vcardData['uid'] = $attributes['value'];
if ($cal_id <= 0 && !empty($vcardData['uid']) && ($uid_event = $this->read($vcardData['uid'])))
{
$event['id'] = $uid_event['id'];
unset($uid_event);
}
break;
case 'TRANSP':
if($version == '1.0') {
$vcardData['non_blocking'] = $attributes['value'] == 1;
} else {
$vcardData['non_blocking'] = $attributes['value'] == 'TRANSPARENT';
}
break;
case 'PRIORITY':
$vcardData['priority'] = (int) $this->priority_ical2egw[$attributes['value']];
break;
case 'CATEGORIES':
if ($attributes['value'])
{
$vcardData['category'] = $this->find_or_add_categories(explode(',',$attributes['value']));
}
else
{
$vcardData['category'] = array();
}
break;
case 'ATTENDEE':
if (preg_match('/MAILTO:([@.a-z0-9_-]+)/i',$attributes['value'],$matches) &&
($uid = $GLOBALS['egw']->accounts->name2id($matches[1],'account_email')))
{
$event['participants'][$uid] = isset($attributes['params']['PARTSTAT']) ?
$this->status_ical2egw[strtoupper($attributes['params']['PARTSTAT'])] :
($uid == $event['owner'] ? 'A' : 'U');
}
if (preg_match('/<([@.a-z0-9_-]+)>/i',$attributes['value'],$matches)) {
$uid = '';
$uid = $GLOBALS['egw']->accounts->name2id($matches[1],'account_email');
if(!empty($uid)) {
$event['participants'][$uid] = isset($attributes['params']['PARTSTAT']) ?
$this->status_ical2egw[strtoupper($attributes['params']['PARTSTAT'])] :
($uid == $event['owner'] ? 'A' : 'U');
}
}
if($attributes['value'] == 'Unknown') {
$event['participants'][$GLOBALS['egw_info']['user']['account_id']] = 'A';
}
break;
case 'ORGANIZER': // will be written direct to the event
if (preg_match('/MAILTO:([@.a-z0-9_-]+)/i',$attributes['value'],$matches) &&
($uid = $GLOBALS['egw']->accounts->name2id($matches[1],'account_email')))
{
$event['owner'] = $uid;
}
break;
case 'CREATED': // will be written direct to the event
if ($event['modified']) break;
// fall through
case 'LAST-MODIFIED': // will be written direct to the event
$event['modified'] = $attributes['value'];
break;
}
}
// check if the entry is a birthday
// this field is only set from NOKIA clients
$agendaEntryType = $component->getAttribute('X-EPOCAGENDAENTRYTYPE');
if (!is_a($agendaEntryType, 'PEAR_Error')) {
if(strtolower($agendaEntryType) == 'anniversary') {
$event['special'] = '1';
// make it a whole day event for eGW
$vcardData['end'] = $vcardData['start'] + 86399;
}
}
if(!empty($vcardData['recur_enddate']))
{
// reset recure_enddate to 00:00:00 on the last day
$vcardData['recur_enddate'] = mktime(0, 0, 0,
date('m',$vcardData['recur_enddate']),
date('d',$vcardData['recur_enddate']),
date('Y',$vcardData['recur_enddate'])
);
}
//echo "event=";_debug_array($vcardData);
// now that we know what the vard provides, we merge that data with the information we have about the device
$event['priority'] = 2;
if($cal_id > 0)
{
$event['id'] = $cal_id;
}
while(($fieldName = array_shift($supportedFields)))
{
switch($fieldName)
{
case 'alarms':
// not handled here
break;
case 'recur_type':
$event['recur_type'] = $vcardData['recur_type'];
if ($event['recur_type'] != MCAL_RECUR_NONE)
{
foreach(array('recur_interval','recur_enddate','recur_data','recur_exception') as $r)
{
if(isset($vcardData[$r]))
{
$event[$r] = $vcardData[$r];
}
}
}
unset($supportedFields['recur_type']);
unset($supportedFields['recur_interval']);
unset($supportedFields['recur_enddate']);
unset($supportedFields['recur_data']);
break;
default:
if (isset($vcardData[$fieldName]))
{
$event[$fieldName] = $vcardData[$fieldName];
}
unset($supportedFields[$fieldName]);
break;
}
}
// add ourself to new events as participant
if($cal_id == -1 && !isset($this->supportedFields['participants']))
{
$event['participants'] = array($GLOBALS['egw_info']['user']['account_id'] => 'A');
}
// If this is an updated meeting, and the client doesn't support
// participants, add them back
if( $cal_id >0 && !isset($this->supportedFields['participants']))
{
$egw_event = $this->read($cal_id);
if ($egw_event)
{
$event['participants'] = $egw_event['participants'];
$event['participant_types'] = $egw_event['participant_types'];
}
}
// Check for resources, and don't remove them
if( $cal_id > 0 )
{
// for each existing participant:
$egw_event = $this->read($cal_id);
if ( $egw_event )
{
foreach( $egw_event['participants'] as $uid => $status )
{
// Is it a resource?
if ( preg_match("/^r(.*)/", $uid, $matches) )
{
// Add it back in
$event['participants'][$uid] = 'A';
$event['participant_types']['r'][$matches[1]] = 'A';
}
}
}
}
#error_log('ALARMS');
#error_log(print_r($event, true));
if (!($Ok = $this->update($event, TRUE))) {
break; // stop with the first error
}
else
{
$eventID =& $Ok;
// handle the alarms
foreach ($component->getComponents() as $valarm)
{
if (is_a($valarm, 'Horde_iCalendar_valarm'))
{
$this->valarm2egw($alarms,$valarm);
}
}
if(count($alarms) > 0 || (isset($this->supportedFields['alarms']) && count($alarms) == 0))
{
// delete the old alarms
$updatedEvent = $this->read($eventID);
foreach($updatedEvent['alarm'] as $alarmID => $alarmData)
{
$this->delete_alarm($alarmID);
}
}
foreach($alarms as $alarm)
{
$alarm['offset'] = $event['start'] - $alarm['time'];
$alarm['owner'] = $GLOBALS['egw_info']['user']['account_id'];
$this->save_alarm($eventID, $alarm);
}
}
}
}
return $Ok;
}
function valarm2egw(&$alarms, &$valarm)
{
$count = 0;
foreach($valarm->_attributes as $vattr)
{
switch($vattr['name'])
{
case 'TRIGGER':
$vtype = (isset($vattr['params']['VALUE']))
? $vattr['params']['VALUE'] : 'DURATION'; //default type
switch ($vtype)
{
case 'DURATION':
if (isset($vattr['params']['RELATED'])
&& $vattr['params']['RELATED'] != 'START')
{
error_log("Unsupported VALARM offset anchor ".$vattr['params']['RELATED']);
}
else
{
$alarms[] = array('offset' => -$vattr['value']);
$count++;
}
break;
case 'DATE-TIME':
$alarms[] = array('time' => $vattr['value']);
$count++;
break;
default:
// we should also do ;RELATED=START|END
error_log('VALARM/TRIGGER: unsupported value type:' . $vtype);
}
break;
// case 'ACTION':
// break;
// case 'DISPLAY':
// break;
default:
error_log('VALARM field:' .$vattr['name'] .':' . print_r($vattrval,true) . ' HAS NO CONVERSION YET');
}
}
return $count;
}
function setSupportedFields($_productManufacturer='file', $_productName='')
{
// save them vor later use
$this->productManufacturer = $_productManufacturer;
$this->productName = $_productName;
$defaultFields['minimal'] = array(
'public' => 'public',
'description' => 'description',
'end' => 'end',
'start' => 'start',
'location' => 'location',
'recur_type' => 'recur_type',
'recur_interval' => 'recur_interval',
'recur_data' => 'recur_data',
'recur_enddate' => 'recur_enddate',
'title' => 'title',
'alarms' => 'alarms',
);
$defaultFields['basic'] = $defaultFields['minimal'] + array(
'recur_exception' => 'recur_exception',
'priority' => 'priority',
);
$defaultFields['nexthaus'] = $defaultFields['basic'] + array(
'participants' => 'participants',
);
$defaultFields['synthesis'] = $defaultFields['basic'] + array(
'non_blocking' => 'non_blocking',
'category' => 'category',
);
$defaultFields['evolution'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'owner' => 'owner',
'category' => 'category',
);
$defaultFields['full'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'owner' => 'owner',
'category' => 'category',
'non_blocking' => 'non_blocking',
);
switch(strtolower($_productManufacturer))
{
case 'nexthaus corporation':
case 'nexthaus corp':
switch(strtolower($_productName))
{
default:
$this->supportedFields = $defaultFields['nexthaus'];
break;
}
break;
// multisync does not provide anymore information then the manufacturer
// we suppose multisync with evolution
case 'the multisync project':
switch(strtolower($_productName))
{
default:
$this->supportedFields = $defaultFields['basic'];
break;
}
break;
case 'nokia':
switch(strtolower($_productName))
{
case 'e61':
$this->supportedFields = $defaultFields['minimal'];
break;
default:
error_log("Unknown Nokia phone '$_productName', assuming E61");
$this->supportedFields = $defaultFields['minimal'];
break;
}
break;
case 'sonyericsson':
case 'sony ericsson':
switch(strtolower($_productName))
{
case 'd750i':
case 'p910i':
$this->supportedFields = $defaultFields['basic'];
break;
default:
error_log("Unknown Sony Ericsson phone '$_productName' assuming d750i");
$this->supportedFields = $defaultFields['basic'];
break;
}
break;
case 'synthesis ag':
switch(strtolower($_productName))
{
case 'sysync client pocketpc std':
case 'sysync client pocketpc pro':
$this->supportedFields = $defaultFields['full'];
break;
default:
$this->supportedFields = $defaultFields['synthesis'];
break;
}
break;
//Syncevolution compatibility
case 'patrick ohly':
$this->supportedFields = $defaultFields['evolution'];
break;
case '': // seems syncevolution 0.5 doesn't send a manufacturer
error_log("No vendor name, assuming syncevolution 0.5");
$this->supportedFields = $defaultFields['evolution'];
break;
case 'file': // used outside of SyncML, eg. by the calendar itself ==> all possible fields
$this->supportedFields = $defaultFields['full'];
break;
// the fallback for SyncML
default:
error_log("Unknown calendar SyncML client: manufacturer='$_productManufacturer' product='$_productName'");
$this->supportedFields = $defaultFields['full'];
break;
}
}
function icaltoegw($_vcalData)
{
// our (patched) horde classes, do NOT unfold folded lines, which causes a lot trouble in the import
$_vcalData = preg_replace("/[\r\n]+ /",'',$_vcalData);
$vcal = &new Horde_iCalendar;
if(!$vcal->parsevCalendar($_vcalData))
{
return FALSE;
}
if(!is_array($this->supportedFields))
{
$this->setSupportedFields();
}
//echo "supportedFields="; _debug_array($this->supportedFields);
$Ok = false; // returning false, if file contains no components
foreach($vcal->getComponents() as $component)
{
if(is_a($component, 'Horde_iCalendar_vevent'))
{
$supportedFields = $this->supportedFields;
#$event = array('participants' => array());
$event = array();
$alarms = array();
$vcardData = array('recur_type' => 0);
// lets see what we can get from the vcard
foreach($component->_attributes as $attributes)
{
switch($attributes['name'])
{
case 'AALARM':
case 'DALARM':
if (preg_match('/.*Z$/',$attributes['value'],$matches))
{
$alarmTime = $vcal->_parseDateTime($attributes['value']);
$alarms[$alarmTime] = array(
'time' => $alarmTime
);
}
break;
case 'CLASS':
$vcardData['public'] = (int)(strtolower($attributes['value']) == 'public');
break;
case 'DESCRIPTION':
$vcardData['description'] = $attributes['value'];
break;
case 'DTEND':
if(date('H:i:s',$attributes['value']) == '00:00:00')
$attributes['value']--;
$vcardData['end'] = $attributes['value'];
break;
case 'DTSTART':
$vcardData['start'] = $attributes['value'];
break;
case 'LOCATION':
$vcardData['location'] = $attributes['value'];
break;
case 'RRULE':
$recurence = $attributes['value'];
$type = preg_match('/FREQ=([^;: ]+)/i',$recurence,$matches) ? $matches[1] : $recurence{0};
// vCard 2.0 values for all types
if (preg_match('/UNTIL=([0-9T]+)/',$recurence,$matches))
{
$vcardData['recur_enddate'] = $vcal->_parseDateTime($matches[1]);
}
if (preg_match('/INTERVAL=([0-9]+)/',$recurence,$matches))
{
$vcardData['recur_interval'] = (int) $matches[1];
}
$vcardData['recur_data'] = 0;
switch($type)
{
case 'W':
case 'WEEKLY':
$days = array();
if(preg_match('/W(\d+) (.*) (.*)/',$recurence, $recurenceMatches)) // 1.0
{
$vcardData['recur_interval'] = $recurenceMatches[1];
$days = explode(' ',trim($recurenceMatches[2]));
if($recurenceMatches[3] != '#0')
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[3]);
$recur_days = $this->recur_days_1_0;
}
elseif (preg_match('/BYDAY=([^;: ]+)/',$recurence,$recurenceMatches)) // 2.0
{
$days = explode(',',$recurenceMatches[1]);
$recur_days = $this->recur_days;
}
if ($days)
{
foreach($recur_days as $id => $day)
{
if (in_array(strtoupper(substr($day,0,2)),$days))
{
$vcardData['recur_data'] |= $id;
}
}
$vcardData['recur_type'] = MCAL_RECUR_WEEKLY;
}
break;
case 'D': // 1.0
if(!preg_match('/D(\d+) (.*)/',$recurence, $recurenceMatches)) break;
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] != '#0')
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[2]);
// fall-through
case 'DAILY': // 2.0
$vcardData['recur_type'] = MCAL_RECUR_DAILY;
break;
case 'M':
if(preg_match('/MD(\d+) (.*)/',$recurence, $recurenceMatches))
{
$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_MDAY;
if($recurenceMatches[1] > 1)
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] != '#0')
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[2]);
}
elseif(preg_match('/MP(\d+) (.*) (.*) (.*)/',$recurence, $recurenceMatches))
{
$vcardData['recur_type'] = MCAL_RECUR_MONTHLY_WDAY;
if($recurenceMatches[1] > 1)
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[4] != '#0')
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[4]);
}
break;
case 'MONTHLY':
$vcardData['recur_type'] = strpos($recurence,'BYDAY') !== false ?
MCAL_RECUR_MONTHLY_WDAY : MCAL_RECUR_MONTHLY_MDAY;
break;
case 'Y': // 1.0
if(!preg_match('/YM(\d+) (.*)/',$recurence, $recurenceMatches)) break;
$vcardData['recur_interval'] = $recurenceMatches[1];
if($recurenceMatches[2] != '#0')
$vcardData['recur_enddate'] = $vcal->_parseDateTime($recurenceMatches[2]);
// fall-through
case 'YEARLY': // 2.0
$vcardData['recur_type'] = MCAL_RECUR_YEARLY;
break;
}
break;
case 'EXDATE':
$vcardData['recur_exception'] = $attributes['value'];
break;
case 'SUMMARY':
$vcardData['title'] = $attributes['value'];
break;
case 'UID':
$event['uid'] = $vcardData['uid'] = $attributes['value'];
if ($cal_id <= 0 && !empty($vcardData['uid']) && ($uid_event = $this->read($vcardData['uid'])))
{
$event['id'] = $uid_event['id'];
unset($uid_event);
}
break;
case 'TRANSP':
$vcardData['non_blocking'] = $attributes['value'] == 'TRANSPARENT';
break;
case 'PRIORITY':
if ($this->productManufacturer == 'nexthaus corporation'
|| $this->productManufacturer == 'nexthaus corp')
{
$vcardData['priority'] = $attributes['value'] == 1 ? 3 : 2; // 1=high, 2=normal
}
else
{
$vcardData['priority'] = (int) $this->priority_ical2egw[$attributes['value']];
}
break;
case 'CATEGORIES':
if ($attributes['value'])
{
$vcardData['category'] = $this->find_or_add_categories(explode(',',$attributes['value']));
}
else
{
$vcardData['category'] = array();
}
break;
case 'ATTENDEE':
if (preg_match('/MAILTO:([@.a-z0-9_-]+)/i',$attributes['value'],$matches) &&
($uid = $GLOBALS['egw']->accounts->name2id($matches[1],'account_email')))
{
$event['participants'][$uid] = isset($attributes['params']['PARTSTAT']) ?
$this->status_ical2egw[strtoupper($attributes['params']['PARTSTAT'])] :
($uid == $event['owner'] ? 'A' : 'U');
}
break;
case 'ORGANIZER': // will be written direct to the event
if (preg_match('/MAILTO:([@.a-z0-9_-]+)/i',$attributes['value'],$matches) &&
($uid = $GLOBALS['egw']->accounts->name2id($matches[1],'account_email')))
{
$event['owner'] = $uid;
}
break;
case 'CREATED': // will be written direct to the event
if ($event['modified']) break;
// fall through
case 'LAST-MODIFIED': // will be written direct to the event
$event['modified'] = $attributes['value'];
break;
}
}
// check if the entry is a birthday
// this field is only set from NOKIA clients
$agendaEntryType = $component->getAttribute('X-EPOCAGENDAENTRYTYPE');
if (!is_a($agendaEntryType, 'PEAR_Error')) {
if(strtolower($agendaEntryType) == 'anniversary') {
$event['special'] = '1';
$vcardData['end'] = $vcardData['start'] + 86399;
}
}
if(!empty($vcardData['recur_enddate']))
{
// reset recure_enddate to 00:00:00 on the last day
$vcardData['recur_enddate'] = mktime(0, 0, 0,
date('m',$vcardData['recur_enddate']),
date('d',$vcardData['recur_enddate']),
date('Y',$vcardData['recur_enddate'])
);
}
//echo "event=";_debug_array($vcardData);
while(($fieldName = array_shift($supportedFields)))
{
switch($fieldName)
{
case 'recur_interval':
case 'recur_enddate':
case 'recur_data':
case 'recur_exception':
case 'alarms':
// not handled here
break;
case 'recur_type':
$event['recur_type'] = $vcardData['recur_type'];
if ($event['recur_type'] != MCAL_RECUR_NONE)
{
foreach(array('recur_interval','recur_enddate','recur_data','recur_exception') as $r)
{
if(isset($vcardData[$r]))
{
$event[$r] = $vcardData[$r];
}
}
}
break;
default:
if (isset($vcardData[$fieldName]))
{
$event[$fieldName] = $vcardData[$fieldName];
}
break;
}
}
return $event;
}
}
return false;
}
function search($_vcalData)
{
if(!$event = $this->icaltoegw($_vcalData)) {
return false;
}
$query = array(
'cal_start='.$this->date2ts($event['start'],true), // true = Server-time
'cal_end='.$this->date2ts($event['end'],true),
);
#foreach(array('title','location','priority','public','non_blocking') as $name) {
foreach(array('title','location','public','non_blocking') as $name) {
if (isset($event[$name])) $query['cal_'.$name] = $event[$name];
}
if($foundEvents = parent::search(array(
'user' => $this->user,
'query' => $query,
))) {
if(is_array($foundEvents)) {
$event = array_shift($foundEvents);
return $event['id'];
}
}
return false;
}
/**
* Create a freebusy vCal for the given user(s)
*
* @param int $user account_id
* @param mixed $end=null end-date, default now+1 month
* @return string
*/
function freebusy($user,$end=null)
{
if (!$end) $end = $this->now_su + 100*DAY_s; // default next 100 days
$vcal = &new Horde_iCalendar;
$vcal->setAttribute('PRODID','-//eGroupWare//NONSGML eGroupWare Calendar '.$GLOBALS['egw_info']['apps']['calendar']['version'].'//'.
strtoupper($GLOBALS['egw_info']['user']['preferences']['common']['lang']));
$vcal->setAttribute('VERSION','2.0');
$vfreebusy = Horde_iCalendar::newComponent('VFREEBUSY',$vcal);
$parameters = array(
'ORGANIZER' => $GLOBALS['egw']->translation->convert(
$GLOBALS['egw']->accounts->id2name($user,'account_firstname').' '.
$GLOBALS['egw']->accounts->id2name($user,'account_lastname'),
$GLOBALS['egw']->translation->charset(),'utf-8'),
);
foreach(array(
'URL' => $this->freebusy_url($user),
'DTSTART' => $this->date2ts($this->now_su,true), // true = server-time
'DTEND' => $this->date2ts($end,true), // true = server-time
'ORGANIZER' => $GLOBALS['egw']->accounts->id2name($user,'account_email'),
'DTSTAMP' => time(),
) as $attr => $value)
{
$vfreebusy->setAttribute($attr, $value, $parameters[$name]);
}
$fbdata = parent::search(array(
'start' => $this->now_su,
'end' => $end,
'users' => $user,
'date_format' => 'server',
'show_rejected' => false,
));
if (is_array($fbdata))
{
foreach ($fbdata as $event)
{
if ($event['non_blocking']) continue;
$vfreebusy->setAttribute('FREEBUSY',array(array(
'start' => $event['start'],
'end' => $event['end'],
)));
}
}
$vcal->addComponent($vfreebusy);
return $vcal->exportvCalendar();
}
}
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