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egroupware_official/calendar/inc/class.calendar_ical.inc.php
Jörg Lehrke 3242e169cc More Funambol adjustments and workarounds
2010-01-09 18:04:21 +00:00

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<?php
/**
* iCal import and export via Horde iCalendar classes
*
* @link http://www.egroupware.org
* @author Lars Kneschke <lkneschke@egroupware.org>
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @author Joerg Lehrke <jlehrke@noc.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package calendar
* @subpackage export
* @version $Id$
*/
require_once EGW_SERVER_ROOT.'/phpgwapi/inc/horde/lib/core.php';
/**
* iCal import and export via Horde iCalendar classes
*/
class calendar_ical extends calendar_boupdate
{
/**
* @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',
'NEEDS ACTION' => 'U',
'ACCEPTED' => 'A',
'DECLINED' => 'R',
'TENTATIVE' => 'T',
);
/**
* @var array $priority_egw2ical conversion of the priority egw => ical
*/
var $priority_egw2ical = array(
0 => 0, // undefined
1 => 9, // low
2 => 5, // normal
3 => 1, // high
);
/**
* @var array $priority_ical2egw conversion 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, 3 => 3, 2 => 3, 1 => 3, // high
);
/**
* @var array $priority_egw2funambol conversion of the priority egw => funambol
*/
var $priority_egw2funambol = array(
0 => 1, // undefined (mapped to normal since undefined does not exist)
1 => 0, // low
2 => 1, // normal
3 => 2, // high
);
/**
* @var array $priority_funambol2egw conversion of the priority funambol => egw
*/
var $priority_funambol2egw = array(
0 => 1, // low
1 => 2, // normal
2 => 3, // high
);
/**
* manufacturer and name of the sync-client
*
* @var string
*/
var $productManufacturer = 'file';
var $productName = '';
/**
* user preference: import all-day events as non blocking
*
* @var boolean
*/
var $nonBlockingAllday = false;
/**
* user preference: attach UID entries to the DESCRIPTION
*
* @var boolean
*/
var $uidExtension = false;
/**
* user preference: calendar to synchronize with
*
* @var int
*/
var $calendarOwner = 0;
/**
* user preference: Use this timezone for import from and export to device
*
* @var string
*/
var $tzid = null;
/**
* Cached timezone data
*
* @var array id => data
*/
protected static $tz_cache = array();
/**
* Device CTCap Properties
*
* @var array
*/
var $clientProperties;
/**
* vCalendar Instance for parsing
*
* @var array
*/
var $vCalendar;
/**
* Set Logging
*
* @var boolean
*/
var $log = false;
var $logfile="/tmp/log-vcal";
/**
* Constructor
*
* @param array $_clientProperties client properties
*/
function __construct(&$_clientProperties = array())
{
parent::__construct();
if ($this->log) $this->logfile = $GLOBALS['egw_info']['server']['temp_dir']."/log-vcal";
$this->clientProperties = $_clientProperties;
$this->vCalendar = new Horde_iCalendar;
}
/**
* Exports one calendar event to an iCalendar item
*
* @param int/array $events (array of) cal_id or array of the events
* @param string $version='1.0' could be '2.0' too
* @param string $method='PUBLISH'
* @param int $recur_date=0 if set export the next recurrence at or after the timestamp,
* default 0 => export whole series (or events, if not recurring)
* @return string/boolean string with iCal or false on error (eg. no permission to read the event)
*/
function &exportVCal($events, $version='1.0', $method='PUBLISH', $recur_date=0)
{
$egwSupportedFields = array(
'CLASS' => 'public',
'SUMMARY' => 'title',
'DESCRIPTION' => 'description',
'LOCATION' => 'location',
'DTSTART' => 'start',
'DTEND' => 'end',
'ATTENDEE' => 'participants',
'ORGANIZER' => 'owner',
'RRULE' => 'recur_type',
'EXDATE' => 'recur_exception',
'PRIORITY' => 'priority',
'TRANSP' => 'non_blocking',
'CATEGORIES' => 'category',
'UID' => 'uid',
'RECURRENCE-ID' => 'recurrence',
'SEQUENCE' => 'etag',
);
if (!is_array($this->supportedFields)) $this->setSupportedFields();
if ($this->productManufacturer == '' )
{ // syncevolution is broken
$version = '2.0';
}
$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);
$vtimezones_added = array();
foreach($events as $event)
{
$mailtoOrganizer = false;
$organizerCN = false;
if (strpos($this->productName, 'palmos') !== false)
{
$date_format = 'ts';
}
else
{
$date_format = 'server';
}
if (!is_array($event)
&& !($event = $this->read($event, $recur_date, false, $date_format)))
{
return false; // no permission to read $cal_id
}
if ($recur_date)
{
// force single event
foreach (array('recur_enddate','recur_interval','recur_exception','recur_data','recur_date','id','etag') as $name)
{
unset($event[$name]);
}
$event['recur_type'] = MCAL_RECUR_NONE;
}
elseif ($event['recur_enddate'])
{
$time = new egw_time($event['recur_enddate'],egw_time::$server_timezone);
if (!isset(self::$tz_cache[$event['tzid']]))
{
self::$tz_cache[$event['tzid']] = calendar_timezones::DateTimeZone($event['tzid']);
}
// all calculations in the event's timezone
$time->setTimezone(self::$tz_cache[$event['tzid']]);
$time->setTime(23, 59, 59);
$event['recur_enddate'] = $this->date2ts($time);
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n" .
array2string($event)."\n",3,$this->logfile);
}
if ($this->tzid === false)
{
$tzid = null;
}
elseif ($this->tzid)
{
$tzid = $this->tzid;
}
else
{
$tzid = $event['tzid'];
}
// check if tzid of event (not only recuring ones) is already added to export
if ($tzid && $tzid != 'UTC' && !in_array($tzid,$vtimezones_added))
{
// check if we have vtimezone component data for tzid of event, if not default to user timezone (default to server tz)
if (!($vtimezone = calendar_timezones::tz2id($tzid,'component')))
{
error_log(__METHOD__."() unknown TZID='$tzid', defaulting to user timezone '".egw_time::$user_timezone->getName()."'!");
$vtimezone = calendar_timezones::tz2id($tzid=egw_time::$user_timezone->getName(),'component');
}
if (!isset(self::$tz_cache[$tzid]))
{
self::$tz_cache[$tzid] = calendar_timezones::DateTimeZone($tzid);
}
//error_log("in_array('$tzid',\$vtimezones_added)=".array2string(in_array($tzid,$vtimezones_added)).", component=$vtimezone");;
if (!in_array($tzid,$vtimezones_added))
{
// $vtimezone is a string with a single VTIMEZONE component, afaik Horde_iCalendar can not add it directly
// --> we have to parse it and let Horde_iCalendar add it again
$horde_vtimezone = Horde_iCalendar::newComponent('VTIMEZONE',$container=false);
$horde_vtimezone->parsevCalendar($vtimezone,'VTIMEZONE');
// DTSTART must be in local time!
$standard = $horde_vtimezone->findComponent('STANDARD');
$dtstart = $standard->getAttribute('DTSTART');
$dtstart = new egw_time($dtstart, egw_time::$server_timezone);
$dtstart->setTimezone(self::$tz_cache[$tzid]);
$standard->setAttribute('DTSTART', $dtstart->format('Ymd\THis'), array(), false);
$daylight = $horde_vtimezone->findComponent('DAYLIGHT');
$dtstart = $daylight->getAttribute('DTSTART');
$dtstart = new egw_time($dtstart, egw_time::$server_timezone);
$dtstart->setTimezone(self::$tz_cache[$tzid]);
$daylight->setAttribute('DTSTART', $dtstart->format('Ymd\THis'), array(), false);
$vcal->addComponent($horde_vtimezone);
$vtimezones_added[] = $tzid;
}
}
if ($this->productManufacturer != 'file' && $this->uidExtension)
{
// Append UID to DESCRIPTION
if (!preg_match('/\[UID:.+\]/m', $event['description'])) {
$event['description'] .= "\n[UID:" . $event['uid'] . "]";
}
}
$vevent = Horde_iCalendar::newComponent('VEVENT', $vcal);
$parameters = $attributes = $values = array();
if ($this->productManufacturer == 'sonyericsson')
{
$eventDST = date('I', $event['start']);
if ($eventDST)
{
$attributes['X-SONYERICSSON-DST'] = 4;
}
}
foreach ($egwSupportedFields as $icalFieldName => $egwFieldName)
{
if (!isset($this->supportedFields[$egwFieldName])) continue;
$values[$icalFieldName] = array();
switch ($icalFieldName)
{
case 'ATTENDEE':
//if (count($event['participants']) == 1 && isset($event['participants'][$this->user])) break;
foreach ((array)$event['participants'] as $uid => $status)
{
if (!($info = $this->resource_info($uid))) continue;
$mailtoParticipant = $info['email'] ? 'MAILTO:'.$info['email'] : '';
$participantCN = '"' . ($info['cn'] ? $info['cn'] : $info['name']) . '"';
calendar_so::split_status($status, $quantity, $role);
if ($role == 'CHAIR' && $uid != $this->user)
{
$mailtoOrganizer = $mailtoParticipant;
$organizerCN = $participantCN;
if ($status == 'U') continue; // saved ORGANIZER
}
// RB: MAILTO href contains only the email-address, NO cn!
$attributes['ATTENDEE'][] = $mailtoParticipant;
// 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 ($info['type'])
{
case 'g':
$cutype = 'GROUP';
break;
case 'r':
$cutype = 'RESOURCE';
break;
case 'u': // account
case 'c': // contact
case 'e': // email address
$cutype = 'INDIVIDUAL';
break;
default:
$cutype = 'UNKNOWN';
break;
};
// ROLE={CHAIR|REQ-PARTICIPANT|OPT-PARTICIPANT|NON-PARTICIPANT|X-*}
$parameters['ATTENDEE'][] = array(
'CN' => $participantCN,
'ROLE' => $role,
'PARTSTAT' => $status,
'CUTYPE' => $cutype,
'RSVP' => $rsvp,
)+($info['type'] != 'e' ? array('X-EGROUPWARE-UID' => $uid) : array())+
($quantity > 1 ? array('X-EGROUPWARE-QUANTITY' => $quantity) : array());
}
break;
case 'CLASS':
$attributes['CLASS'] = $event['public'] ? 'PUBLIC' : 'CONFIDENTIAL';
break;
case 'ORGANIZER':
// according to iCalendar standard, ORGANIZER not used for events in the own calendar
if (!$organizerCN &&
($event['owner'] != $this->user
|| $this->productManufacturer != 'groupdav'))
{
$mailtoOrganizer = $GLOBALS['egw']->accounts->id2name($event['owner'],'account_email');
$mailtoOrganizer = $mailtoOrganizer ? 'MAILTO:'.$mailtoOrganizer : '';
$organizerCN = '"' . trim($GLOBALS['egw']->accounts->id2name($event['owner'],'account_firstname')
. ' ' . $GLOBALS['egw']->accounts->id2name($event['owner'],'account_lastname')) . '"';
}
if ($organizerCN)
{
$attributes['ORGANIZER'] = $mailtoOrganizer;
$parameters['ORGANIZER']['CN'] = $organizerCN;
}
break;
case 'DTSTART':
$attributes['DTSTART'] = self::getDateTime($event['start'],$tzid,$parameters['DTSTART']);
break;
case 'DTEND':
// write start + end of whole day events as dates
if ($this->isWholeDay($event))
{
$event['end-nextday'] = $event['end'] + 12*3600; // we need the date of the next day, as DTEND is non-inclusive (= exclusive) in rfc2445
foreach (array('start' => 'DTSTART','end-nextday' => 'DTEND') as $f => $t)
{
$arr = $this->date2array($event[$f]);
$vevent->setAttribute($t, array('year' => $arr['year'],'month' => $arr['month'],'mday' => $arr['day']),
array('VALUE' => 'DATE'));
}
unset($attributes['DTSTART']);
}
else
{
$attributes['DTEND'] = self::getDateTime($event['end'],$tzid,$parameters['DTEND']);
}
break;
case 'RRULE':
if ($event['recur_type'] == MCAL_RECUR_NONE) break; // no recuring event
$rriter = calendar_rrule::event2rrule($event,$date_format != 'server');
$rrule = $rriter->generate_rrule($version);
if ($version == '1.0')
{
$attributes['RRULE'] = $rrule['FREQ'].' '.$rrule['UNTIL'];
}
else // $version == '2.0'
{
$attributes['RRULE'] = '';
$parameters['RRULE'] = $rrule;
}
break;
case 'EXDATE':
if ($event['recur_type'] == MCAL_RECUR_NONE) break;
$days = array();
// dont use "virtual" exceptions created by participant status for GroupDAV or file export
if (!in_array($this->productManufacturer,array('file','groupdav')))
{
$tz_id = ($tzid != $event['tzid'] ? $tzid : null);
$days = $this->so->get_recurrence_exceptions($event, $tz_id);
}
if (is_array($event['recur_exception']))
{
$days = array_merge($days,$event['recur_exception']); // can NOT use +, as it overwrites numeric indexes
}
if (!empty($days))
{
$days = array_unique($days);
sort($days);
// use 'DATE' instead of 'DATE-TIME' on whole day events
if ($this->isWholeDay($event))
{
$value_type = 'DATE';
foreach ($days as $id => $timestamp)
{
$arr = $this->date2array($timestamp);
$days[$id] = array(
'year' => $arr['year'],
'month' => $arr['month'],
'mday' => $arr['day'],
);
}
}
else
{
$value_type = 'DATE-TIME';
foreach ($days as &$timestamp)
{
$timestamp = self::getDateTime($timestamp,$tzid,$parameters['EXDATE']);
}
}
$attributes['EXDATE'] = '';
$values['EXDATE'] = $days;
$parameters['EXDATE']['VALUE'] = $value_type;
}
break;
case 'PRIORITY':
if($this->productManufacturer == 'funambol' &&
strpos($this->productName, 'outlook') !== false)
{
$attributes['PRIORITY'] = (int) $this->priority_egw2funambol[$event['priority']];
}
else
{
$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 ($event['category'] && ($values['CATEGORIES'] = $this->get_categories($event['category'])))
{
if (count($values['CATEGORIES']) == 1)
{
$attributes['CATEGORIES'] = array_shift($values['CATEGORIES']);
}
else
{
$attributes['CATEGORIES'] = '';
}
}
break;
case 'RECURRENCE-ID':
if ($version == '1.0')
{
$icalFieldName = 'X-RECURRENCE-ID';
}
if ($recur_date)
{
// We handle a status only exception
if ($this->isWholeDay($event))
{
$arr = $this->date2array($recur_date);
$vevent->setAttribute($icalFieldName, array(
'year' => $arr['year'],
'month' => $arr['month'],
'mday' => $arr['day']),
array('VALUE' => 'DATE')
);
}
else
{
$attributes[$icalFieldName] = self::getDateTime($recur_date,$tzid,$parameters[$icalFieldName]);
}
}
elseif ($event['recurrence'] && $event['reference'])
{
// $event['reference'] is a calendar_id, not a timestamp
if (!($revent = $this->read($event['reference']))) break; // referenced event does not exist
if ($this->isWholeDay($revent))
{
$arr = $this->date2array($event['recurrence']);
$vevent->setAttribute($icalFieldName, array(
'year' => $arr['year'],
'month' => $arr['month'],
'mday' => $arr['day']),
array('VALUE' => 'DATE')
);
}
else
{
$attributes[$icalFieldName] = self::getDateTime($event['recurrence'],$tzid,$parameters[$icalFieldName]);
}
unset($revent);
}
break;
default:
if (isset($this->clientProperties[$icalFieldName]['Size']))
{
$size = $this->clientProperties[$icalFieldName]['Size'];
$noTruncate = $this->clientProperties[$icalFieldName]['NoTruncate'];
#Horde::logMessage("vCalendar $icalFieldName Size: $size, NoTruncate: " .
# ($noTruncate ? 'TRUE' : 'FALSE'), __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
else
{
$size = -1;
$noTruncate = false;
}
$value = $event[$egwFieldName];
$cursize = strlen($value);
if ($size > 0 && $cursize > $size)
{
if ($noTruncate)
{
Horde::logMessage("vCalendar $icalFieldName omitted due to maximum size $size",
__FILE__, __LINE__, PEAR_LOG_WARNING);
continue; // skip field
}
// truncate the value to size
$value = substr($value, 0, $size - 1);
Horde::logMessage("vCalendar $icalFieldName truncated to maximum size $size",
__FILE__, __LINE__, PEAR_LOG_INFO);
}
if (!empty($value) || ($size >= 0 && !$noTruncate))
{
$attributes[$icalFieldName] = $value;
}
break;
}
}
if ($this->productManufacturer == 'nokia')
{
if ($event['special'] == '1')
{
$attributes['X-EPOCAGENDAENTRYTYPE'] = 'ANNIVERSARY';
$attributes['DTEND'] = $attributes['DTSTART'];
}
elseif ($event['special'] == '2')
{
$attributes['X-EPOCAGENDAENTRYTYPE'] = 'EVENT';
}
else
{
$attributes['X-EPOCAGENDAENTRYTYPE'] = 'APPOINTMENT';
}
}
$modified = $GLOBALS['egw']->contenthistory->getTSforAction('calendar',$event['id'],'modify');
$created = $GLOBALS['egw']->contenthistory->getTSforAction('calendar',$event['id'],'add');
if (!$created && !$modified) $created = $event['modified'];
if ($created)
{
$attributes['CREATED'] = $created;
}
if (!$modified) $modified = $event['modified'];
if ($modified)
{
$attributes['LAST-MODIFIED'] = $modified;
}
$attributes['DTSTAMP'] = time();
foreach ($event['alarm'] as $alarmID => $alarmData)
{
// skip alarms not being set for all users and alarms owned by other users
if ($alarmData['all'] != true && $alarmData['owner'] != $this->user)
{
continue;
}
if ($version == '1.0')
{
$attributes['DALARM'] = self::getDateTime($alarmData['time'],$tzid,$parameters['DALARM']);
$attributes['AALARM'] = self::getDateTime($alarmData['time'],$tzid,$parameters['AALARM']);
// lets take only the first alarm
break;
}
else
{
// VCalendar 2.0 / RFC 2445
$description = trim(preg_replace("/\r?\n?\\[[A-Z_]+:.*\\]/i", '', $event['description']));
// skip over alarms that don't have the minimum required info
if (!$alarmData['offset'] && !$alarmData['time']) continue;
// RFC requires DESCRIPTION for DISPLAY
if (!$event['title'] && !$description) continue;
if ($this->isWholeDay($event) && $alarmData['offset'])
{
$alarmData['time'] = $event['start'] - $alarmData['offset'];
$alarmData['offset'] = false;
}
$valarm = Horde_iCalendar::newComponent('VALARM',$vevent);
if ($alarmData['offset'])
{
$valarm->setAttribute('TRIGGER', -$alarmData['offset'],
array('VALUE' => 'DURATION', 'RELATED' => 'START'));
}
else
{
$params = array('VALUE' => 'DATE-TIME');
$value = self::getDateTime($alarmData['time'],$tzid,$params);
$valarm->setAttribute('TRIGGER', $value, $params);
}
$valarm->setAttribute('ACTION','DISPLAY');
$valarm->setAttribute('DESCRIPTION',$event['title'] ? $event['title'] : $description);
$vevent->addComponent($valarm);
}
}
foreach ($attributes as $key => $value)
{
foreach (is_array($value)&&$parameters[$key]['VALUE']!='DATE' ? $value : array($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');
$valuesData = (array) $GLOBALS['egw']->translation->convert($values[$key],
$GLOBALS['egw']->translation->charset(),'UTF-8');
//echo "$key:$valueID: value=$valueData, param=".print_r($paramDate,true)."\n";
// attendees or organizer CN can contain utf-8 content
$paramData['CHARSET'] = 'UTF-8';
if (preg_match('/[^\x20-\x7F]/', $valueData) ||
($paramData['CN'] && preg_match('/[^\x20-\x7F]/', $paramData['CN'])))
{
switch ($this->productManufacturer)
{
case 'groupdav':
if ($this->productName == 'kde')
{
$paramData['ENCODING'] = 'QUOTED-PRINTABLE';
}
else
{
$paramData['CHARSET'] = '';
if (preg_match('/([\000-\012\015\016\020-\037\075])/', $valueData))
{
$paramData['ENCODING'] = 'QUOTED-PRINTABLE';
}
else
{
$paramData['ENCODING'] = '';
}
}
break;
case 'funambol':
if ($this->productName == 'mozilla sync client')
{
$valueData = str_replace( "\n", '\\n', $valueData);
}
$paramData['ENCODING'] = 'FUNAMBOL-QP';
}
}
if (preg_match('/([\000-\012])/', $valueData))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
"() Has invalid XML data: $valueData",3,$this->logfile);
}
}
$vevent->setAttribute($key, $valueData, $paramData, true, $valuesData);
}
}
$vcal->addComponent($vevent);
}
$retval = $vcal->exportvCalendar();
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
"() '$this->productManufacturer','$this->productName'\n",3,$this->logfile);
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
"()\n".array2string($retval)."\n",3,$this->logfile);
}
return $retval;
}
/**
* Get DateTime value for a given time and timezone
*
* @param int|string|DateTime $time in server-time as returned by calendar_bo for $data_format='server'
* @param string $tzid TZID of event or 'UTC' or NULL for palmos timestamps in usertime
* @param array &$params=null parameter array to set TZID
* @return mixed attribute value to set: integer timestamp if $tzid == 'UTC' otherwise Ymd\THis string IN $tzid
*/
static function getDateTime($time,$tzid,array &$params=null)
{
if (empty($tzid) || $tzid == 'UTC')
{
return egw_time::to($time,'ts');
}
if (!is_a($time,'DateTime'))
{
$time = new egw_time($time,egw_time::$server_timezone);
}
if (!isset(self::$tz_cache[$tzid]))
{
self::$tz_cache[$tzid] = calendar_timezones::DateTimeZone($tzid);
}
$time->setTimezone(self::$tz_cache[$tzid]);
$params['TZID'] = $tzid;
return $time->format('Ymd\THis');
}
/**
* Import an iCal
*
* @param string $_vcalData
* @param int $cal_id=-1 must be -1 for new entries!
* @param string $etag=null if an etag is given, it has to match the current etag or the import will fail
* @param boolean $merge=false merge data with existing entry
* @param int $recur_date=0 if set, import the recurrence at this timestamp,
* default 0 => import whole series (or events, if not recurring)
* @return int|boolean cal_id > 0 on success, false on failure or 0 for a failed etag
*/
function importVCal($_vcalData, $cal_id=-1, $etag=null, $merge=false, $recur_date=0)
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n" .
array2string($_vcalData)."\n",3,$this->logfile);
}
if (!is_array($this->supportedFields)) $this->setSupportedFields();
if (!($events = $this->icaltoegw($_vcalData,$cal_id,$etag,$recur_date)))
{
return false;
}
// check if we are importing an event series with exceptions in CalDAV
// only first event / series master get's cal_id from URL
// other events are exceptions and need to be checked if they are new
// and for real (not status only) exceptions their recurrence-id need
// to be included as recur_exception to the master
if ($this->productManufacturer == 'groupdav' && $cal_id > 0 &&
count($events) > 1 && !$events[1]['id'] &&
$events[0]['recur_type'] != MCAL_RECUR_NONE)
{
calendar_groupdav::fix_series($events);
}
foreach ($events as $event)
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n" .
array2string($event)."\n",3,$this->logfile);
}
$updated_id = false;
$event_info = $this->get_event_info($event);
// common adjustments for new events
if (!is_array($event_info['stored_event']))
{
// set non blocking all day depending on the user setting
if ($this->isWholeDay($event) && $this->nonBlockingAllday)
{
$event['non_blocking'] = 1;
}
// check if an owner is set and the current user has add rights
// for that owners calendar; if not set the current user
if (!isset($event['owner'])
|| !$this->check_perms(EGW_ACL_ADD, 0, $event['owner']))
{
$event['owner'] = $this->user;
}
if (!is_array($event['participants']) || !count($event['participants']))
{
$status = $event['owner'] == $this->user ? 'A' : 'U';
$status = calendar_so::combine_status($status, 1, 'CHAIR');
$event['participants'] = array($event['owner'] => $status);
}
}
// common adjustments for existing events
if (is_array($event_info['stored_event']))
{
if ($merge)
{
// overwrite with server data for merge
foreach ($event_info['stored_event'] as $key => $value)
{
switch ($key)
{
case 'participants_types':
continue;
case 'participants':
foreach ($event_info['stored_event']['participants'] as $uid => $status)
{
// Is a participant and no longer present in the event?
if (!isset($event['participants'][$uid]))
{
// Add it back in
$event['participants'][$uid] = $event['participant_types']['r'][substr($uid,1)] = $status;
}
}
break;
default:
if (!empty($value))
{
$event[$key] = $value;
}
}
}
}
else
{
// no merge
if (!isset($this->supportedFields['participants']) || !count($event['participants']))
{
// If this is an updated meeting, and the client doesn't support
// participants OR the event no longer contains participants, add them back
$event['participants'] = $event_info['stored_event']['participants'];
$event['participant_types'] = $event_info['stored_event']['participant_types'];
}
foreach ($event_info['stored_event']['participants'] as $uid => $status)
{
// Is it a resource and no longer present in the event?
if ( $uid[0] == 'r' && !isset($event['participants'][$uid]) )
{
// Add it back in
$event['participants'][$uid] = $event['participant_types']['r'][substr($uid,1)] = $status;
}
}
// avoid that iCal changes the organizer, which is not allowed
$event['owner'] = $event_info['stored_event']['owner'];
}
}
// update alarms depending on the given event type
if (count($event['alarm']) > 0 || isset($this->supportedFields['alarm']))
{
switch ($event_info['type'])
{
case 'SINGLE':
case 'SERIES-MASTER':
case 'SERIES-EXCEPTION':
case 'SERIES-EXCEPTION-PROPAGATE':
if (count($event['alarm']) > 0)
{
foreach ($event['alarm'] as $newid => &$alarm)
{
if (!isset($alarm['offset']) && isset($alarm['time']))
{
$alarm['offset'] = $event['start'] - $alarm['time'];
}
if (!isset($alarm['time']) && isset($alarm['offset']))
{
$alarm['time'] = $event['start'] - $alarm['offset'];
}
$alarm['owner'] = $this->user;
$alarm['all'] = false;
if (is_array($event_info['stored_event'])
&& count($event_info['stored_event']['alarm']) > 0)
{
foreach ($event_info['stored_event']['alarm'] as $alarm_id => $alarm_data)
{
if ($alarm['time'] == $alarm_data['time'] &&
($alarm_data['all'] || $alarm_data['owner'] == $this->user))
{
unset($event['alarm'][$newid]);
unset($event_info['stored_event']['alarm'][$alarm_id]);
continue;
}
}
}
}
}
break;
case 'SERIES-EXCEPTION-STATUS':
// nothing to do here
break;
}
if (is_array($event_info['stored_event'])
&& count($event_info['stored_event']['alarm']) > 0)
{
foreach ($event_info['stored_event']['alarm'] as $alarm_id => $alarm_data)
{
// only touch own alarms
if ($alarm_data['all'] == false && $alarm_data['owner'] == $this->user)
{
$this->delete_alarm($alarm_id);
}
}
}
}
// save event depending on the given event type
switch ($event_info['type'])
{
case 'SINGLE':
Horde::logMessage('importVCAL event SINGLE',__FILE__, __LINE__, PEAR_LOG_DEBUG);
// update the event
if ($event_info['acl_edit'])
{
$event_to_store = $event; // prevent $event from being changed by the update method
$updated_id = $this->update($event_to_store, true);
unset($event_to_store);
}
break;
case 'SERIES-MASTER':
Horde::logMessage('importVCAL event SERIES-MASTER',__FILE__, __LINE__, PEAR_LOG_DEBUG);
// remove all known "status only" exceptions and update the event
if ($event_info['acl_edit'])
{
$days = $this->so->get_recurrence_exceptions($event);
if (is_array($days))
{
$recur_exceptions = array();
foreach ($event['recur_exception'] as $recur_exception)
{
if (!in_array($recur_exception, $days))
{
$recur_exceptions[] = $recur_exception;
}
}
$event['recur_exception'] = $recur_exceptions;
}
$event_to_store = $event; // prevent $event from being changed by the update method
$updated_id = $this->update($event_to_store, true);
unset($event_to_store);
}
break;
case 'SERIES-EXCEPTION':
case 'SERIES-EXCEPTION-PROPAGATE':
Horde::logMessage('importVCAL event SERIES-EXCEPTION',__FILE__, __LINE__, PEAR_LOG_DEBUG);
// update event
if ($event_info['acl_edit'])
{
if (isset($event_info['stored_event']['id']))
{
// We update an existing exception
$event['id'] = $event_info['stored_event']['id'];
$event['category'] = $event_info['stored_event']['category'];
}
else
{
// We create a new exception
unset($event['id']);
$event_info['master_event']['recur_exception'] = array_unique(array_merge($event_info['master_event']['recur_exception'], array($event['recurrence'])));
$event_to_store = $event_info['master_event']; // prevent the master_event from being changed by the update method
$this->update($event_to_store, true);
unset($event_to_store);
$event['reference'] = $event_info['master_event']['id'];
$event['category'] = $event_info['master_event']['category'];
$event['owner'] = $event_info['master_event']['owner'];
}
$event_to_store = $event; // prevent $event from being changed by update method
$updated_id = $this->update($event_to_store, true, true, false, false);
unset($event_to_store);
}
break;
case 'SERIES-EXCEPTION-STATUS':
Horde::logMessage('importVCAL event SERIES-EXCEPTION-STATUS',__FILE__, __LINE__, PEAR_LOG_DEBUG);
if ($event_info['acl_edit'])
{
// truncate the status only exception from the series master
$recur_exceptions = array();
foreach ($event_info['master_event']['recur_exception'] as $recur_exception)
{
if ($recur_exception != $event['recurrence'])
{
$recur_exceptions[] = $recur_exception;
}
}
$event_info['master_event']['recur_exception'] = $recur_exceptions;
// save the series master with the adjusted exceptions
$event_to_store = $event_info['master_event']; // prevent the master_event from being changed by the update method
$updated_id = $this->update($event_to_store, true, true, false, false);
unset($event_to_store);
}
break;
}
// read stored event into info array for fresh stored (new) events
if (!is_array($event_info['stored_event']) && $updated_id > 0)
{
$event_info['stored_event'] = $this->read($updated_id);
}
// update status depending on the given event type
switch ($event_info['type'])
{
case 'SINGLE':
case 'SERIES-MASTER':
case 'SERIES-EXCEPTION':
case 'SERIES-EXCEPTION-PROPAGATE':
if (is_array($event_info['stored_event'])) // status update requires a stored event
{
if ($event_info['acl_edit'])
{
// update all participants if we have the right to do that
$this->update_status($event, $event_info['stored_event']);
}
elseif (isset($event['participants'][$this->user]) || isset($event_info['stored_event']['participants'][$this->user]))
{
// update the users status only
$this->set_status($event_info['stored_event']['id'], $this->user,
($event['participants'][$this->user] ? $event['participants'][$this->user] : 'R'), 0, true);
}
}
break;
case 'SERIES-EXCEPTION-STATUS':
if (is_array($event_info['master_event'])) // status update requires a stored master event
{
if ($event_info['acl_edit'])
{
// update all participants if we have the right to do that
$this->update_status($event, $event_info['master_event'], $event['recurrence']);
}
elseif (isset($event['participants'][$this->user]) || isset($event_info['master_event']['participants'][$this->user]))
{
// update the users status only
$this->set_status($event_info['master_event']['id'], $this->user,
($event['participants'][$this->user] ? $event['participants'][$this->user] : 'R'), $event['recurrence'], true);
}
}
break;
}
// choose which id to return to the client
switch ($event_info['type'])
{
case 'SINGLE':
case 'SERIES-MASTER':
case 'SERIES-EXCEPTION':
$return_id = is_array($event_info['stored_event']) ? $event_info['stored_event']['id'] : false;
break;
case 'SERIES-EXCEPTION-STATUS':
$return_id = is_array($event_info['master_event']) ? $event_info['master_event']['id'] . ':' . $event['recurrence'] : false;
break;
case 'SERIES-EXCEPTION-PROPAGATE':
if ($event_info['acl_edit'] && is_array($event_info['stored_event']))
{
// we had sufficient rights to propagate the status only exception to a real one
$return_id = $event_info['stored_event']['id'];
}
else
{
// we did not have sufficient rights to propagate the status only exception to a real one
// we have to keep the SERIES-EXCEPTION-STATUS id and keep the event untouched
$return_id = $event_info['master_event']['id'] . ':' . $event['recurrence'];
}
break;
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n" .
array2string($event_info['stored_event'])."\n",3,$this->logfile);
}
}
return $return_id;
}
/**
* get the value of an attribute by its name
*
* @param array $attributes
* @param string $name eg. 'DTSTART'
* @param string $what='value'
* @return mixed
*/
static function _get_attribute($components,$name,$what='value')
{
foreach ($components as $attribute)
{
if ($attribute['name'] == $name)
{
return !$what ? $attribute : $attribute[$what];
}
}
return false;
}
static 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:' . $vtype);
}
break;
case 'ACTION':
case 'DISPLAY':
case 'DESCRIPTION':
case 'SUMMARY':
case 'ATTACH':
case 'ATTENDEE':
// we ignore these fields silently
break;
default:
error_log('VALARM field ' .$vattr['name'] . ': ' . $vattr['value'] . ' HAS NO CONVERSION YET');
}
}
return $count;
}
function setSupportedFields($_productManufacturer='', $_productName='')
{
$state = &$_SESSION['SyncML.state'];
if (isset($state))
{
$deviceInfo = $state->getClientDeviceInfo();
}
// store product manufacturer and name, to be able to use it elsewhere
if ($_productManufacturer)
{
$this->productManufacturer = strtolower($_productManufacturer);
$this->productName = strtolower($_productName);
}
if (isset($deviceInfo) && is_array($deviceInfo))
{
if (isset($deviceInfo['uidExtension']) &&
$deviceInfo['uidExtension'])
{
$this->uidExtension = true;
}
if (isset($deviceInfo['nonBlockingAllday']) &&
$deviceInfo['nonBlockingAllday'])
{
$this->nonBlockingAllday = true;
}
if (isset($deviceInfo['tzid']) &&
$deviceInfo['tzid'])
{
$this->tzid = $deviceInfo['tzid'];
}
if (isset($GLOBALS['egw_info']['user']['preferences']['syncml']['calendar_owner']))
{
$owner = $GLOBALS['egw_info']['user']['preferences']['syncml']['calendar_owner'];
if (0 < (int)$owner && $this->check_perms(EGW_ACL_EDIT,0,$owner))
{
$this->calendarOwner = $owner;
}
}
if (!isset($this->productManufacturer) ||
$this->productManufacturer == '' ||
$this->productManufacturer == 'file')
{
$this->productManufacturer = strtolower($deviceInfo['manufacturer']);
}
if (!isset($this->productName) || $this->productName == '')
{
$this->productName = strtolower($deviceInfo['model']);
}
}
Horde::logMessage('setSupportedFields(' . $this->productManufacturer
. ', ' . $this->productName .')', __FILE__, __LINE__, PEAR_LOG_DEBUG);
$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',
'alarm' => 'alarm',
);
$defaultFields['basic'] = $defaultFields['minimal'] + array(
'recur_exception' => 'recur_exception',
'priority' => 'priority',
);
$defaultFields['nexthaus'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'uid' => 'uid',
);
$defaultFields['s60'] = $defaultFields['basic'] + array(
'category' => 'category',
'uid' => 'uid',
);
$defaultFields['synthesis'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'owner' => 'owner',
'category' => 'category',
'non_blocking' => 'non_blocking',
'uid' => 'uid',
'recurrence' => 'recurrence',
'etag' => 'etag',
);
$defaultFields['funambol'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'owner' => 'owner',
'category' => 'category',
'non_blocking' => 'non_blocking',
'recurrence' => 'recurrence',
);
$defaultFields['evolution'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'owner' => 'owner',
'category' => 'category',
'uid' => 'uid',
);
$defaultFields['full'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'owner' => 'owner',
'category' => 'category',
'non_blocking' => 'non_blocking',
'uid' => 'uid',
'recurrence' => 'recurrence',
'etag' => 'etag',
);
switch ($this->productManufacturer)
{
case 'nexthaus corporation':
case 'nexthaus corp':
switch ($this->productName)
{
default:
$this->supportedFields = $defaultFields['nexthaus'];
break;
}
break;
// multisync does not provide anymore information then the manufacturer
// we suppose multisync with evolution
case 'the multisync project':
switch ($this->productName)
{
default:
$this->supportedFields = $defaultFields['basic'];
break;
}
break;
case 'siemens':
switch ($this->productName)
{
case 'sx1':
$this->supportedFields = $defaultFields['minimal'];
break;
default:
error_log("Unknown Siemens phone '$_productName', using minimal set");
$this->supportedFields = $defaultFields['minimal'];
break;
}
break;
case 'nokia':
switch ($this->productName)
{
case 'e61':
$this->supportedFields = $defaultFields['minimal'];
break;
case 'e51':
case 'e90':
case 'e71':
case 'e66':
case '6120c':
case 'nokia 6131':
$this->supportedFields = $defaultFields['s60'];
break;
default:
error_log("Unknown Nokia phone '$_productName', assuming E61");
$this->supportedFields = $defaultFields['minimal'];
break;
}
break;
case 'sonyericsson':
case 'sony ericsson':
switch ($this->productName)
{
case 'd750i':
case 'p910i':
case 'g705i':
$this->supportedFields = $defaultFields['basic'];
break;
default:
error_log("Unknown Sony Ericsson phone '$this->productName' assuming d750i");
$this->supportedFields = $defaultFields['basic'];
break;
}
break;
case 'synthesis ag':
switch ($this->productName)
{
case 'sysync client pocketpc std':
case 'sysync client pocketpc pro':
case 'sysync client iphone contacts':
case 'sysync client iphone contacts+todoz':
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 = $defaultFields['full'];
break;
case 'groupdav': // all GroupDAV access goes through here
switch ($this->productName)
{
default:
$this->supportedFields = $defaultFields['full'];
}
break;
case 'funambol':
$this->supportedFields = $defaultFields['funambol'];
break;
// the fallback for SyncML
default:
error_log("Unknown calendar SyncML client: manufacturer='$this->productManufacturer' product='$this->productName'");
$this->supportedFields = $defaultFields['synthesis'];
break;
}
// for palmos we have to use user-time and NO timezone
if (strpos($this->productName, 'palmos') !== false)
{
$this->tzid = false;
}
}
function icaltoegw($_vcalData, $cal_id=-1, $etag=null, $recur_date=0)
{
$events = array();
if ($this->tzid)
{
date_default_timezone_set($this->tzid);
}
$vcal = new Horde_iCalendar;
if (!$vcal->parsevCalendar($_vcalData))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"(): No vCalendar Container found!\n",3,$this->logfile);
}
if ($this->tzid)
{
date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
}
return false;
}
$version = $vcal->getAttribute('VERSION');
if (!is_array($this->supportedFields)) $this->setSupportedFields();
foreach ($vcal->getComponents() as $component)
{
if (is_a($component, 'Horde_iCalendar_vevent'))
{
if (($event = $this->vevent2egw($component, $version, $this->supportedFields, $cal_id)))
{
//common adjustments
if ($this->productManufacturer == '' && $this->productName == ''
&& !empty($event['recur_enddate']))
{
// syncevolution needs an adjusted recur_enddate
$event['recur_enddate'] = (int)$event['recur_enddate'] + 86400;
}
if ($event['recur_type'] != MCAL_RECUR_NONE)
{
// No reference or RECURRENCE-ID for the series master
$event['reference'] = $event['recurrence'] = 0;
}
// handle the alarms
$alarms = $event['alarm'];
foreach ($component->getComponents() as $valarm)
{
if (is_a($valarm, 'Horde_iCalendar_valarm'))
{
$this->valarm2egw($alarms, $valarm);
}
}
$event['alarm'] = $alarms;
$events[] = $event;
}
}
}
if ($this->tzid)
{
date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
}
// if cal_id, etag or recur_date is given, use/set it for 1. event
if ($cal_id > 0) $events[0]['id'] = $cal_id;
if (!is_null($etag)) $events[0]['etag'] = $etag;
if ($recur_date) $events[0]['recurrence'] = $recur_date;
return $events;
}
/**
* Parse a VEVENT
*
* @param array $component VEVENT
* @param string $version vCal version (1.0/2.0)
* @param array $supportedFields supported fields of the device
* @param int $cal_id id of existing event in the content (only used to merge categories)
*
* @return array|boolean event on success, false on failure
*/
function vevent2egw(&$component, $version, $supportedFields, $cal_id=-1)
{
if (!is_a($component, 'Horde_iCalendar_vevent')) return false;
if (isset($GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length'])) {
$minimum_uid_length = $GLOBALS['egw_info']['user']['preferences']['syncml']['minimum_uid_length'];
}
else
{
$minimum_uid_length = 8;
}
$isDate = false;
$event = array();
$alarms = array();
$vcardData = array(
'recur_type' => MCAL_RECUR_NONE,
'recur_exception' => array(),
);
// we parse DTSTART and DTEND first
foreach ($component->_attributes as $attributes)
{
switch ($attributes['name'])
{
case 'DTSTART':
if (isset($attributes['params']['VALUE'])
&& $attributes['params']['VALUE'] == 'DATE')
{
$isDate = true;
}
$dtstart_ts = is_numeric($attributes['value']) ? $attributes['value'] : $this->date2ts($attributes['value']);
$vcardData['start'] = $dtstart_ts;
if ($this->tzid)
{
// enforce device settings
$event['tzid'] = $this->tzid;
}
elseif (!empty($attributes['params']['TZID']))
{
// import TZID, if PHP understands it (we only care about TZID of starttime, as we store only a TZID for the whole event)
try
{
$tz = calendar_timezones::DateTimeZone($attributes['params']['TZID']);
$event['tzid'] = $tz->getName();
}
catch(Exception $e)
{
error_log(__METHOD__."() unknown TZID='{$attributes['params']['TZID']}', defaulting to user timezone '".egw_time::$user_timezone->getName()."'!");
$tz = egw_time::$user_timezone;
$event['tzid'] = egw_time::$user_timezone->getName(); // default to user timezone
}
}
else
{
$event['tzid'] = egw_time::$user_timezone->getName(); // default to user timezone
}
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 -= 1;
}
$vcardData['end'] = $dtend_ts;
}
}
if (!isset($vcardData['start'])) return false; // not a valid entry
// lets see what we can get from the vcard
foreach ($component->_attributes as $attributes)
{
switch ($attributes['name'])
{
case 'AALARM':
case 'DALARM':
$alarmTime = $attributes['value'];
$alarms[$alarmTime] = array(
'time' => $alarmTime
);
break;
case 'CLASS':
$vcardData['public'] = (int)(strtolower($attributes['value']) == 'public');
break;
case 'DESCRIPTION':
$vcardData['description'] = $attributes['value'];
if (preg_match('/\s*\[UID:(.+)?\]/Usm', $attributes['value'], $matches))
{
if (!isset($vCardData['uid'])
&& strlen($matches[1]) >= $minimum_uid_length)
{
$vcardData['uid'] = $matches[1];
}
}
break;
case 'RECURRENCE-ID':
case 'X-RECURRENCE-ID':
$vcardData['recurrence'] = $attributes['value'];
break;
case 'LOCATION':
$vcardData['location'] = $attributes['value'];
break;
case 'RRULE':
$recurence = $attributes['value'];
$type = preg_match('/FREQ=([^;: ]+)/i',$recurence,$matches) ? $matches[1] : $recurence[0];
// vCard 2.0 values for all types
if (preg_match('/UNTIL=([0-9TZ]+)/',$recurence,$matches))
{
$vcardData['recur_enddate'] = $this->vCalendar->_parseDateTime($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'] = $recurenceMatches[1];
if (empty($recurenceMatches[4]))
{
if ($recurenceMatches[2] != '#0')
{
$vcardData['recur_enddate'] = $this->vCalendar->_parseDateTime($recurenceMatches[2]);
}
$days[0] = strtoupper(substr(date('D', $vcardData['start']),0,2));
}
else
{
$days = explode(' ',trim($recurenceMatches[2]));
if ($recurenceMatches[4] != '#0')
{
$vcardData['recur_enddate'] = $this->vCalendar->_parseDateTime($recurenceMatches[4]);
}
}
$recur_days = $this->recur_days_1_0;
}
elseif (preg_match('/BYDAY=([^;: ]+)/',$recurence,$recurenceMatches)) // 2.0
{
$days = explode(',',$recurenceMatches[1]);
$recur_days = $this->recur_days;
}
else // no day given, use the day of dtstart
{
$vcardData['recur_data'] |= 1 << (int)date('w',$vcardData['start']);
$vcardData['recur_type'] = MCAL_RECUR_WEEKLY;
}
if ($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(
date('H', $vcardData['end']),
date('i', $vcardData['end']),
date('s', $vcardData['end']),
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'] = $this->vCalendar->_parseDateTime($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(
date('H', $vcardData['end']),
date('i', $vcardData['end']),
date('s', $vcardData['end']),
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'] = $this->vCalendar->_parseDateTime($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'] = $this->vCalendar->_parseDateTime($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(
date('H', $vcardData['end']),
date('i', $vcardData['end']),
date('s', $vcardData['end']),
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'] = $this->vCalendar->_parseDateTime($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(
date('H', $vcardData['end']),
date('i', $vcardData['end']),
date('s', $vcardData['end']),
date('m', $vcardData['start']),
date('d', $vcardData['start']),
date('Y', $vcardData['start']) + ($vcardData['recur_interval']*($vcardData['recur_count']-1)));
}
break;
}
break;
case 'EXDATE':
if ((isset($attributes['params']['VALUE'])
&& $attributes['params']['VALUE'] == 'DATE') ||
(!isset($attributes['params']['VALUE']) && $isDate))
{
$days = array();
$hour = date('H', $vcardData['start']);
$minutes = date('i', $vcardData['start']);
$seconds = date('s', $vcardData['start']);
foreach ($attributes['values'] as $day)
{
$days[] = mktime(
$hour,
$minutes,
$seconds,
$day['month'],
$day['mday'],
$day['year']);
}
$vcardData['recur_exception'] = array_merge($vcardData['recur_exception'], $days);
}
else
{
$vcardData['recur_exception'] = array_merge($vcardData['recur_exception'], $attributes['values']);
}
break;
case 'SUMMARY':
$vcardData['title'] = $attributes['value'];
break;
case 'UID':
if (strlen($attributes['value']) >= $minimum_uid_length)
{
$event['uid'] = $vcardData['uid'] = $attributes['value'];
}
break;
case 'TRANSP':
if ($version == '1.0')
{
$vcardData['non_blocking'] = ($attributes['value'] == 1);
}
else
{
$vcardData['non_blocking'] = ($attributes['value'] == 'TRANSPARENT');
}
break;
case 'PRIORITY':
if($this->productManufacturer == 'funambol' &&
strpos($this->productName, 'outlook') !== false)
{
$vcardData['priority'] = (int) $this->priority_funambol2egw[$attributes['value']];
}
else
{
$vcardData['priority'] = (int) $this->priority_ical2egw[$attributes['value']];
}
break;
case 'CATEGORIES':
if ($attributes['value'])
{
if($version == '1.0')
{
$vcardData['category'] = $this->find_or_add_categories(explode(';',$attributes['value']), $cal_id);
}
else
{
$vcardData['category'] = $this->find_or_add_categories(explode(',',$attributes['value']), $cal_id);
}
}
else
{
$vcardData['category'] = array();
}
break;
case 'ATTENDEE':
case 'ORGANIZER': // will be written direct to the event
if (isset($attributes['params']['PARTSTAT']))
{
$attributes['params']['STATUS'] = $attributes['params']['PARTSTAT'];
}
if (isset($attributes['params']['STATUS']))
{
$status = $this->status_ical2egw[strtoupper($attributes['params']['STATUS'])];
}
else
{
$status = 'U';
}
$cn = '';
if (preg_match('/MAILTO:([@.a-z0-9_-]+)|MAILTO:"?([.a-z0-9_ -]*)"?[ ]*<([@.a-z0-9_-]*)>/i',
$attributes['value'],$matches))
{
$email = $matches[1] ? $matches[1] : $matches[3];
$cn = isset($matches[2]) ? $matches[2]: '';
}
elseif (preg_match('/"?([.a-z0-9_ -]*)"?[ ]*<([@.a-z0-9_-]*)>/i',
$attributes['value'],$matches))
{
$cn = $matches[1];
$email = $matches[2];
}
elseif (strpos($attributes['value'],'@') !== false)
{
$email = $attributes['value'];
}
else
{
$email = false; // no email given
}
$searcharray = array();
if ($email)
{
$searcharray = array('email' => $email, 'email_home' => $email);
}
if (isset($attributes['params']['CN']) && $attributes['params']['CN'])
{
if ($attributes['params']['CN'][0] == '"'
&& substr($attributes['params']['CN'],-1) == '"')
{
$attributes['params']['CN'] = substr($attributes['params']['CN'],1,-1);
}
$searcharray['n_fn'] = $attributes['params']['CN'];
}
elseif ($cn)
{
$searcharray['n_fn'] = $cn;
}
if (($uid = $attributes['params']['X-EGROUPWARE-UID'])
&& ($info = $this->resource_info($uid))
&& (!$email || $info['email'] == $email))
{
// we use the (checked) X-EGROUPWARE-UID
}
//elseif (//$attributes['params']['CUTYPE'] == 'GROUP'
elseif (preg_match('/(.*) Group/', $searcharray['n_fn'], $matches))
{
if (($uid = $GLOBALS['egw']->accounts->name2id($matches[1], 'account_lid', 'g')))
{
//Horde::logMessage("vevent2egw: group participant $uid",
// __FILE__, __LINE__, PEAR_LOG_DEBUG);
if ($status != 'U')
{
// User tries to reply to the group invitiation
$members = $GLOBALS['egw']->accounts->members($uid, true);
if (in_array($this->user, $members))
{
//Horde::logMessage("vevent2egw: set status to " . $status,
// __FILE__, __LINE__, PEAR_LOG_DEBUG);
$event['participants'][$this->user] =
calendar_so::combine_status($status);
}
$status = 'U'; // keep the group
}
}
else continue; // can't find this group
}
elseif ($attributes['value'] == 'Unknown')
{
$uid = $this->user;
}
elseif ($email && ($uid = $GLOBALS['egw']->accounts->name2id($email,'account_email')))
{
// we use the account we found
}
elseif (!$searcharray)
{
continue; // participants without email AND CN --> ignore it
}
elseif ((list($data) = ExecMethod2('addressbook.addressbook_bo.search',$searcharray,
array('id','egw_addressbook.account_id as account_id','n_fn'),'egw_addressbook.account_id IS NOT NULL DESC, n_fn IS NOT NULL DESC','','',false,'OR')))
{
$uid = $data['account_id'] ? (int)$data['account_id'] : 'c'.$data['id'];
}
else
{
if (!$email)
{
$email = 'no-email@egroupware.org'; // set dummy email to store the CN
}
$uid = 'e'.($attributes['params']['CN'] ? $attributes['params']['CN'].' <'.$email.'>' : $email);
}
switch($attributes['name'])
{
case 'ATTENDEE':
if (!isset($attributes['params']['ROLE']) &&
isset($event['owner']) && $event['owner'] == $uid)
{
$attributes['params']['ROLE'] = 'CHAIR';
}
// add quantity and role
$event['participants'][$uid] =
calendar_so::combine_status($status,
$attributes['params']['X-EGROUPWARE-QUANTITY'],
$attributes['params']['ROLE']);
break;
case 'ORGANIZER':
if (isset($event['participants'][$uid]))
{
$status = $event['participants'][$uid];
calendar_so::split_status($status, $quantity, $role);
$event['participants'][$uid] =
calendar_so::combine_status($status, $quantity, 'CHAIR');
}
if (is_numeric($uid) && ($uid == $this->calendarOwner || !$this->calendarOwner))
{
// we can store the ORGANIZER as event owner
$event['owner'] = $uid;
}
else
{
// we must insert a CHAIR participant to keep the ORGANIZER
$event['owner'] = $this->user;
if (!isset($event['participants'][$uid]))
{
// save the ORGANIZER as event CHAIR
$event['participants'][$uid] =
calendar_so::combine_status('U', 1, 'CHAIR');
}
}
}
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'];
}
}
// 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';
$event['non_blocking'] = 1;
// make it a whole day event for eGW
$vcardData['end'] = $vcardData['start'] + 86399;
}
elseif (strtolower($agendaEntryType) == 'event')
{
$event['special'] = '2';
$event['non_blocking'] = 1;
}
}
$event['priority'] = 2; // default
$event['alarm'] = $alarms;
// now that we know what the vard provides,
// we merge that data with the information we have about the device
while (($fieldName = array_shift($supportedFields)))
{
switch ($fieldName)
{
case 'recur_interval':
case 'recur_enddate':
case 'recur_data':
case 'recur_exception':
// not handled here
break;
case 'recur_type':
$event['recur_type'] = $vcardData['recur_type'];
if ($event['recur_type'] != MCAL_RECUR_NONE)
{
$event['reference'] = 0;
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;
}
}
if (!empty($event['recur_enddate']))
{
// reset recure_enddate to 00:00:00 on the last day
$rriter = calendar_rrule::event2rrule($event, false);
$rriter->rewind();
$last = clone $rriter->time;
while ($rriter->current <= $rriter->enddate)
{
$last = clone $rriter->current;
$rriter->next_no_exception();
}
$delta = $event['end'] - $event['start'];
$last->modify('+' . $delta . ' seconds');
$last->setTime(0, 0, 0);
$event['recur_enddate'] = $this->date2ts($last);
}
if ($this->calendarOwner) $event['owner'] = $this->calendarOwner;
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n" .
array2string($event)."\n",3,$this->logfile);
}
//Horde::logMessage("vevent2egw:\n" . print_r($event, true),
// __FILE__, __LINE__, PEAR_LOG_DEBUG);
return $event;
}
function search($_vcalData, $contentID=null, $relax=false)
{
if (($events = $this->icaltoegw($_vcalData,!is_null($contentID) ? $contentID : -1)))
{
// this function only supports searching a single event
if (count($events) == 1)
{
$event = array_shift($events);
return $this->find_event($event, $relax);
}
}
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
* @param boolean $utc=true if false, use severtime for dates
* @return string
*/
function freebusy($user,$end=null,$utc=true)
{
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'),
$GLOBALS['egw']->translation->charset(),'utf-8'),
);
if ($utc)
{
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);
}
}
else
{
foreach (array(
'URL' => $this->freebusy_url($user),
'DTSTART' => date('Ymd\THis',$this->date2ts($this->now_su,true)), // true = server-time
'DTEND' => date('Ymd\THis',$this->date2ts($end,true)), // true = server-time
'ORGANIZER' => $GLOBALS['egw']->accounts->id2name($user,'account_email'),
'DTSTAMP' => date('Ymd\THis',time()),
) as $attr => $value)
{
$vfreebusy->setAttribute($attr, $value);
}
}
$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;
if ($utc)
{
$vfreebusy->setAttribute('FREEBUSY',array(array(
'start' => $event['start'],
'end' => $event['end'],
)));
}
else
{
$vfreebusy->setAttribute('FREEBUSY',array(array(
'start' => date('Ymd\THis',$event['start']),
'end' => date('Ymd\THis',$event['end']),
)));
}
}
}
$vcal->addComponent($vfreebusy);
return $vcal->exportvCalendar();
}
/**
* update the status of all participant for a given recurrence or for all recurrences since now (includes recur_date=0)
*
* @param array $new_event event-array with the new stati
* @param array $old_event event-array with the old stati
* @param int $recur_date=0 date to change, or 0 = all since now
*/
function update_status($new_event, $old_event , $recur_date=0)
{
// check the old list against the new list
foreach ($old_event['participants'] as $userid => $status)
{
if (!isset($new_event['participants'][$userid])){
// Attendee will be deleted this way
$new_event['participants'][$userid] = 'G';
}
elseif ($new_event['participants'][$userid] == $status)
{
// Same status -- nothing to do.
unset($new_event['participants'][$userid]);
}
}
// write the changes
foreach ($new_event['participants'] as $userid => $status)
{
$this->set_status($old_event, $userid, $status, $recur_date, true, false);
}
}
/**
* classifies an incoming event from the eGW point-of-view
*
* exceptions: unlike other calendar apps eGW does not create an event exception
* if just the participant state changes - therefore we have to distinguish between
* real exceptions and status only exceptions
*
* @param array $event the event to check
*
* @return array
* type =>
* SINGLE a single event
* SERIES-MASTER the series master
* SERIES-EXCEPTION event is a real exception
* SERIES-EXCEPTION-STATUS event is a status only exception
* SERIES-EXCEPTION-PROPAGATE event was a status only exception in the past and is now a real exception
* stored_event => if event already exists in the database array with event data or false
* master_event => for event type SERIES-EXCEPTION, SERIES-EXCEPTION-STATUS or SERIES-EXCEPTION-PROPAGATE
* the corresponding series master event array
* NOTE: this param is false if event is of type SERIES-MASTER
*/
private function get_event_info($event)
{
$type = 'SINGLE'; // default
$return_master = false; //default
if ($event['recur_type'] != MCAL_RECUR_NONE)
{
$type = 'SERIES-MASTER';
}
else
{
// SINGLE, SERIES-EXCEPTION OR SERIES-EXCEPTON-STATUS
if (empty($event['uid']) && $event['id'] > 0 && ($stored_event = $this->read($event['id'])))
{
$event['uid'] = $stored_event['uid']; // restore the UID if it was not delivered
}
if (isset($event['uid'])
&& $event['recurrence']
&& ($master_event = $this->read($event['uid']))
&& isset($master_event['recur_type'])
&& $master_event['recur_type'] != MCAL_RECUR_NONE)
{
// SERIES-EXCEPTION OR SERIES-EXCEPTON-STATUS
$return_master = true; // we have a valid master and can return it
if (isset($event['id']) && $master_event['id'] != $event['id'])
{
$type = 'SERIES-EXCEPTION'; // this is an existing exception
}
else
{
$type = 'SERIES-EXCEPTION-STATUS'; // default if we cannot find a proof for a fundamental change
// the recurrence_event is the master event with start and end adjusted to the recurrence
$recurrence_event = $master_event;
$recurrence_event['start'] = $event['recurrence'];
$recurrence_event['end'] = $event['recurrence'] + ($master_event['end'] - $master_event['start']);
// check for changed data
foreach (array('start','end','uid','title','location',
'priority','public','special','non_blocking') as $key)
{
if (!empty($event[$key]) && $recurrence_event[$key] != $event[$key])
{
if (isset($event['id']))
{
$type = 'SERIES-EXCEPTION-PROPAGATE';
}
else
{
$type = 'SERIES-EXCEPTION'; // this is a new exception
}
break;
}
}
// the event id here is always the id of the master event
// unset it to prevent confusion of stored event and master event
unset($event['id']);
}
}
else
{
// SINGLE
$type = 'SINGLE';
}
}
// read existing event
if (isset($event['id']))
{
$stored_event = $this->read($event['id']);
}
// check ACL
if ($return_master)
{
$acl_edit = $this->check_perms(EGW_ACL_EDIT, $master_event['id']);
}
else
{
if (is_array($stored_event))
{
$acl_edit = $this->check_perms(EGW_ACL_EDIT, $stored_event['id']);
}
else
{
$acl_edit = true; // new event
}
}
return array(
'type' => $type,
'acl_edit' => $acl_edit,
'stored_event' => is_array($stored_event) ? $stored_event : false,
'master_event' => $return_master ? $master_event : false,
);
}
}
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