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egroupware/calendar/inc/class.calendar_ical.inc.php
Ralf Becker 0f64b4c740 * CalDAV/Calendar: fix for first recurence being an exception cause it to be deleted by mac calendar 
due to wrong start of series not taking execption into account
also fix missing timezone in EXDATE did not match recurrence
2020-01-10 11:13:18 +01:00

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<?php
/**
* EGroupware - Calendar 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
*/
use EGroupware\Api;
use EGroupware\Api\Acl;
/**
* iCal import and export via Horde iCalendar classes
*
* @ToDo: NOT changing default-timezone as it messes up timezone calculation of timestamps eg. in calendar_boupdate::send_update
* (currently fixed by restoring server-timezone in calendar_boupdate::send_update)
*/
class calendar_ical extends calendar_boupdate
{
/**
* @var array $supportedFields array containing the supported fields of the importing device
*/
var $supportedFields;
/**
* @var array $status_egw2ical conversation of the participant status egw => ical
*/
var $status_egw2ical = array(
'U' => 'NEEDS-ACTION',
'A' => 'ACCEPTED',
'R' => 'DECLINED',
'T' => 'TENTATIVE',
'D' => 'DELEGATED'
);
/**
* @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',
'DELEGATED' => 'D',
'X-UNINVITED' => 'G', // removed
);
/**
* @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
*
* === false => use event's TZ
* === null => export in UTC
* string => device TZ
*
* @var string|boolean
*/
var $tzid = null;
/**
* Device CTCap Properties
*
* @var array
*/
var $clientProperties;
/**
* vCalendar Instance for parsing
*
* @var array
*/
var $vCalendar;
/**
* Addressbook BO instance
*
* @var array
*/
var $addressbook;
/**
* Set Logging
*
* @var boolean
*/
var $log = false;
var $logfile="/tmp/log-vcal";
/**
* Event callback
* If set, this will be called on each discovered event so it can be
* modified. Event is passed by reference, return true to keep the event
* or false to skip it.
*
* @var callable
*/
var $event_callback = null;
/**
* Conflict callback
* If set, conflict checking will be enabled, and the event as well as
* conflicts are passed as parameters to this callback
*/
var $conflict_callback = null;
/**
* 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;
$this->addressbook = new Api\Contacts;
}
/**
* Exports one calendar event to an iCalendar item
*
* @param int|array $events (array of) cal_id or array of the events with timestamps in server time
* @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)
* @param string $principalURL ='' Used for CalDAV exports
* @param string $charset ='UTF-8' encoding of the vcalendar, default UTF-8
* @param int|string $current_user =0 uid of current user to only export that one as participant for method=REPLY
* @return string|boolean string with iCal or false on error (e.g. no permission to read the event)
*/
function &exportVCal($events, $version='1.0', $method='PUBLISH', $recur_date=0, $principalURL='', $charset='UTF-8', $current_user=0)
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"($version, $method, $recur_date, $principalURL, $charset)\n",
3, $this->logfile);
}
$egwSupportedFields = array(
'CLASS' => 'public',
'SUMMARY' => 'title',
'DESCRIPTION' => 'description',
'LOCATION' => 'location',
'DTSTART' => 'start',
'DTEND' => 'end',
'ATTENDEE' => 'participants',
'ORGANIZER' => 'owner',
'RRULE' => 'recur_type',
'EXDATE' => 'recur_exception',
'PRIORITY' => 'priority',
'TRANSP' => 'non_blocking',
'CATEGORIES' => 'category',
'UID' => 'uid',
'RECURRENCE-ID' => 'recurrence',
'SEQUENCE' => 'etag',
'STATUS' => 'status',
'ATTACH' => 'attachments',
);
if (!is_array($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', $version);
if ($method) $vcal->setAttribute('METHOD', $method);
$events_exported = false;
if (!is_array($events)) $events = array($events);
$vtimezones_added = array();
foreach ($events as $event)
{
$organizerURL = '';
$organizerCN = false;
$recurrence = $this->date2usertime($recur_date);
$tzid = null;
if ((!is_array($event) || empty($event['tzid']) && ($event = $event['id'])) &&
!($event = $this->read($event, $recurrence, false, 'server')))
{
if ($this->read($event, $recurrence, true, 'server'))
{
if ($this->check_perms(calendar_bo::ACL_FREEBUSY, $event, 0, 'server'))
{
$this->clear_private_infos($event, array($this->user, $event['owner']));
}
else
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
'() User does not have the permission to read event ' . $event['id']. "\n",
3,$this->logfile);
}
return -1; // Permission denied
}
}
else
{
$retval = false; // Entry does not exist
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"() Event $event not found.\n",
3, $this->logfile);
}
}
continue;
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
'() export event UID: ' . $event['uid'] . ".\n",
3, $this->logfile);
}
if ($this->tzid)
{
// explicit device timezone
$tzid = $this->tzid;
}
elseif ($this->tzid === false)
{
// use event's timezone
$tzid = $event['tzid'];
}
if (!isset(self::$tz_cache[$event['tzid']]))
{
try {
self::$tz_cache[$event['tzid']] = calendar_timezones::DateTimeZone($event['tzid']);
}
catch (Exception $e) {
// log unknown timezones
if (!empty($event['tzid'])) _egw_log_exception($e);
// default for no timezone and unkown to user timezone
self::$tz_cache[$event['tzid']] = Api\DateTime::$user_timezone;
}
}
if ($this->so->isWholeDay($event)) $event['whole_day'] = true;
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
'(' . $event['id']. ',' . $recurrence . ")\n" .
array2string($event)."\n",3,$this->logfile);
}
if ($recurrence)
{
if (!($master = $this->read($event['id'], 0, true, 'server'))) continue;
if (!isset($this->supportedFields['participants']))
{
$days = $this->so->get_recurrence_exceptions($master, $tzid, 0, 0, 'tz_rrule');
if (isset($days[$recurrence]))
{
$recurrence = $days[$recurrence]; // use remote representation
}
else
{
// We don't need status only exceptions
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"(, $recurrence) Gratuitous pseudo exception, skipped ...\n",
3,$this->logfile);
}
continue; // unsupported status only exception
}
}
else
{
$days = $this->so->get_recurrence_exceptions($master, $tzid, 0, 0, 'rrule');
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()\n" .
array2string($days)."\n",3,$this->logfile);
}
$recurrence = $days[$recurrence]; // use remote representation
}
// force single event
foreach (array('recur_enddate','recur_interval','recur_exception','recur_data','recur_date','id','etag') as $name)
{
unset($event[$name]);
}
$event['recur_type'] = MCAL_RECUR_NONE;
}
// check if tzid of event (not only recuring ones) is already added to export
if ($tzid && $tzid != 'UTC' && !in_array($tzid,$vtimezones_added))
{
// check if we have vtimezone component data for tzid of event, if not default to user timezone (default to server tz)
if (calendar_timezones::add_vtimezone($vcal, $tzid) ||
!in_array($tzid = Api\DateTime::$user_timezone->getName(), $vtimezones_added) &&
calendar_timezones::add_vtimezone($vcal, $tzid))
{
$vtimezones_added[] = $tzid;
if (!isset(self::$tz_cache[$tzid]))
{
self::$tz_cache[$tzid] = calendar_timezones::DateTimeZone($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)
{
$attributes['X-SONYERICSSON-DST'] = 4;
}
}
if ($event['recur_type'] != MCAL_RECUR_NONE)
{
$exceptions = array();
// dont use "virtual" exceptions created by participant status for GroupDAV or file export
if (!in_array($this->productManufacturer,array('file','groupdav')))
{
$filter = isset($this->supportedFields['participants']) ? 'rrule' : 'tz_rrule';
$exceptions = $this->so->get_recurrence_exceptions($event, $tzid, 0, 0, $filter);
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."(EXCEPTIONS)\n" .
array2string($exceptions)."\n",3,$this->logfile);
}
}
elseif (is_array($event['recur_exception']))
{
$exceptions = array_unique($event['recur_exception']);
sort($exceptions);
}
$event['recur_exception'] = $exceptions;
}
foreach ($egwSupportedFields as $icalFieldName => $egwFieldName)
{
if (!isset($this->supportedFields[$egwFieldName]))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
'(' . $event['id'] . ") [$icalFieldName] not supported\n",
3,$this->logfile);
}
continue;
}
$values[$icalFieldName] = array();
switch ($icalFieldName)
{
case 'ATTENDEE':
foreach ((array)$event['participants'] as $uid => $status)
{
$quantity = $role = null;
calendar_so::split_status($status, $quantity, $role);
// do not include event owner/ORGANIZER as participant in his own calendar, if he is only participant
if (count($event['participants']) == 1 && $event['owner'] == $uid) continue;
if (!($info = $this->resource_info($uid))) continue;
if (in_array($status, array('X','E'))) continue; // dont include deleted participants
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
'()attendee:' . array2string($info) ."\n",3,$this->logfile);
}
$participantCN = str_replace(array('\\', ',', ';', ':'),
array('\\\\', '\\,', '\\;', '\\:'),
trim(empty($info['cn']) ? $info['name'] : $info['cn']));
if ($version == '1.0')
{
$participantURL = trim('"' . $participantCN . '"' . (empty($info['email']) ? '' : ' <' . $info['email'] .'>'));
}
else
{
$participantURL = empty($info['email']) ? '' : 'mailto:' . $info['email'];
}
// RSVP={TRUE|FALSE} // resonse expected, not set in eGW => status=U
$rsvp = $status == 'U' ? 'TRUE' : 'FALSE';
if ($role == 'CHAIR')
{
$organizerURL = $participantURL;
$rsvp = '';
$organizerCN = $participantCN;
$organizerUID = ($info['type'] != 'e' ? (string)$uid : '');
}
// iCal method=REPLY only exports replying / current user, except external organiser / chair above
if ($method == 'REPLY' && $current_user && (string)$current_user !== (string)$uid)
{
continue;
}
// 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';
$participantURL = 'urn:uuid:'.Api\CalDAV::generate_uid('accounts', $uid);
if (!isset($event['participants'][$this->user]) &&
($members = $GLOBALS['egw']->accounts->members($uid, true)) && in_array($this->user, $members))
{
$user = $this->resource_info($this->user);
$attributes['ATTENDEE'][] = 'mailto:' . $user['email'];
$parameters['ATTENDEE'][] = array(
'CN' => $user['name'],
'ROLE' => 'REQ-PARTICIPANT',
'PARTSTAT' => 'NEEDS-ACTION',
'CUTYPE' => 'INDIVIDUAL',
'RSVP' => 'TRUE',
'X-EGROUPWARE-UID' => (string)$this->user,
);
$event['participants'][$this->user] = true;
}
break;
case 'r':
$participantURL = 'urn:uuid:'.Api\CalDAV::generate_uid('resources', substr($uid, 1));
$cutype = Api\CalDAV\Principals::resource_is_location(substr($uid, 1)) ? 'ROOM' : 'RESOURCE';
// unset resource email (email of responsible user) as iCal at least has problems,
// if resonpsible is also pariticipant or organizer
unset($info['email']);
break;
case 'u': // account
case 'c': // contact
case 'e': // email address
$cutype = 'INDIVIDUAL';
break;
default:
$cutype = 'UNKNOWN';
break;
}
// generate urn:uuid, if we have no other participant URL
if (empty($participantURL) && $info && $info['app'])
{
$participantURL = 'urn:uuid:'.Api\CalDAV::generate_uid($info['app'], substr($uid, 1));
}
// ROLE={CHAIR|REQ-PARTICIPANT|OPT-PARTICIPANT|NON-PARTICIPANT|X-*}
$options = array();
if (!empty($participantCN)) $options['CN'] = $participantCN;
if (!empty($role)) $options['ROLE'] = $role;
if (!empty($status)) $options['PARTSTAT'] = $status;
if (!empty($cutype)) $options['CUTYPE'] = $cutype;
if (!empty($rsvp)) $options['RSVP'] = $rsvp;
if (!empty($info['email']) && $participantURL != 'mailto:'.$info['email'])
{
$options['EMAIL'] = $info['email']; // only add EMAIL attribute, if not already URL, as eg. Akonadi is reported to have problems with it
}
if ($info['type'] != 'e') $options['X-EGROUPWARE-UID'] = (string)$uid;
if ($quantity > 1)
{
$options['X-EGROUPWARE-QUANTITY'] = (string)$quantity;
$options['CN'] .= ' ('.$quantity.')';
}
$attributes['ATTENDEE'][] = $participantURL;
$parameters['ATTENDEE'][] = $options;
}
break;
case 'CLASS':
if ($event['public']) continue 2; // public is default, no need to export, fails CalDAVTester if added as default
$attributes['CLASS'] = $event['public'] ? 'PUBLIC' : 'PRIVATE';
// Apple iCal on OS X uses X-CALENDARSERVER-ACCESS: CONFIDENTIAL on VCALANDAR (not VEVENT!)
if (!$event['public'] && $this->productManufacturer == 'groupdav')
{
$vcal->setAttribute('X-CALENDARSERVER-ACCESS', 'CONFIDENTIAL');
}
break;
case 'ORGANIZER':
if (!$organizerURL)
{
$organizerCN = '"' . trim($GLOBALS['egw']->accounts->id2name($event['owner'],'account_firstname')
. ' ' . $GLOBALS['egw']->accounts->id2name($event['owner'],'account_lastname')) . '"';
$organizerEMail = $GLOBALS['egw']->accounts->id2name($event['owner'],'account_email');
if ($version == '1.0')
{
$organizerURL = trim($organizerCN . (empty($organizerURL) ? '' : ' <' . $organizerURL .'>'));
}
else
{
$organizerURL = empty($organizerEMail) ? '' : 'mailto:' . $organizerEMail;
}
$organizerUID = $event['owner'];
}
// do NOT use ORGANIZER for events without further participants or a different organizer
if (count($event['participants']) > 1 || !isset($event['participants'][$event['owner']]))
{
$attributes['ORGANIZER'] = $organizerURL;
$parameters['ORGANIZER']['CN'] = $organizerCN;
if (!empty($organizerUID))
{
$parameters['ORGANIZER']['X-EGROUPWARE-UID'] = $organizerUID;
}
}
break;
case 'DTSTART':
if (empty($event['whole_day']))
{
$attributes['DTSTART'] = self::getDateTime($event['start'],$tzid,$parameters['DTSTART']);
}
break;
case 'DTEND':
if (empty($event['whole_day']))
{
// Hack for CalDAVTester to export duration instead of endtime
if ($tzid == 'UTC' && $event['end'] - $event['start'] <= 86400)
$attributes['duration'] = $event['end'] - $event['start'];
else
$attributes['DTEND'] = self::getDateTime($event['end'],$tzid,$parameters['DTEND']);
}
else
{
// write start + end of whole day events as dates
$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)
{
$time = new Api\DateTime($event[$f],Api\DateTime::$server_timezone);
$arr = Api\DateTime::to($time,'array');
$vevent->setAttribute($t, array('year' => $arr['year'],'month' => $arr['month'],'mday' => $arr['day']),
array('VALUE' => 'DATE'));
}
unset($attributes['DTSTART']);
// Outlook does NOT care about type of DTSTART/END, only setting X-MICROSOFT-CDO-ALLDAYEVENT is used to determine an event is a whole-day event
$vevent->setAttribute('X-MICROSOFT-CDO-ALLDAYEVENT','TRUE');
}
break;
case 'RRULE':
if ($event['recur_type'] == MCAL_RECUR_NONE) break; // no recuring event
$rriter = calendar_rrule::event2rrule($event, false, $tzid);
$rrule = $rriter->generate_rrule($version);
if ($event['recur_enddate'])
{
if (!$tzid || $version != '1.0')
{
if (!isset(self::$tz_cache['UTC']))
{
self::$tz_cache['UTC'] = calendar_timezones::DateTimeZone('UTC');
}
if (empty($event['whole_day']))
{
$rrule['UNTIL']->setTimezone(self::$tz_cache['UTC']);
$rrule['UNTIL'] = $rrule['UNTIL']->format('Ymd\THis\Z');
}
// for whole-day events UNTIL must be just the inclusive date
else
{
$rrule['UNTIL'] = $rrule['UNTIL']->format('Ymd');
}
}
}
if ($version == '1.0')
{
if ($event['recur_enddate'] && $tzid)
{
$rrule['UNTIL'] = self::getDateTime($rrule['UNTIL'],$tzid);
}
$attributes['RRULE'] = $rrule['FREQ'].' '.$rrule['UNTIL'];
}
else // $version == '2.0'
{
$attributes['RRULE'] = '';
foreach($rrule as $n => $v)
{
$attributes['RRULE'] .= ($attributes['RRULE']?';':'').$n.'='.$v;
}
}
break;
case 'EXDATE':
if ($event['recur_type'] == MCAL_RECUR_NONE) break;
if (!empty($event['recur_exception']))
{
if (empty($event['whole_day']))
{
foreach ($event['recur_exception'] as $key => $timestamp)
{
// current Horde_Icalendar 2.1.4 exports EXDATE always postfixed with a Z :(
// so if we set a timezone here, we have to remove the Z, see the hack at the end of this method
// Apple calendar on OS X 10.11.4 uses a timezone, so does Horde eg. for Recurrence-ID
$event['recur_exception'][$key] = self::getDateTime($timestamp, $tzid, $parameters['EXDATE']);
}
}
else
{
// use 'DATE' instead of 'DATE-TIME' on whole day events
foreach ($event['recur_exception'] as $id => $timestamp)
{
$time = new Api\DateTime($timestamp,Api\DateTime::$server_timezone);
$time->setTimezone(self::$tz_cache[$event['tzid']]);
$arr = Api\DateTime::to($time,'array');
$days[$id] = array(
'year' => $arr['year'],
'month' => $arr['month'],
'mday' => $arr['day'],
);
}
$event['recur_exception'] = $days;
if ($version != '1.0') $parameters['EXDATE']['VALUE'] = 'DATE';
}
$vevent->setAttribute('EXDATE', $event['recur_exception'], $parameters['EXDATE']);
}
break;
case 'PRIORITY':
if (!$event['priority']) continue 2; // 0=undefined is default, no need to export, fails CalDAVTester if our default is added
if ($this->productManufacturer == 'funambol' &&
(strpos($this->productName, 'outlook') !== false
|| strpos($this->productName, 'pocket pc') !== false))
{
$attributes['PRIORITY'] = (int) $this->priority_egw2funambol[$event['priority']];
}
else
{
$attributes['PRIORITY'] = (int) $this->priority_egw2ical[$event['priority']];
}
break;
case 'TRANSP':
if (!$event['non_blocking']) continue 2; // OPAQUE is default, no need to export, fails CalDAVTester if added as default
if ($version == '1.0')
{
$attributes['TRANSP'] = ($event['non_blocking'] ? 1 : 0);
}
else
{
$attributes['TRANSP'] = ($event['non_blocking'] ? 'TRANSPARENT' : 'OPAQUE');
}
break;
case 'STATUS':
$attributes['STATUS'] = 'CONFIRMED';
break;
case 'CATEGORIES':
if ($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 pseudo exception
if (empty($event['whole_day']))
{
$attributes[$icalFieldName] = self::getDateTime($recur_date,$tzid,$parameters[$icalFieldName]);
}
else
{
$time = new Api\DateTime($recur_date,Api\DateTime::$server_timezone);
$time->setTimezone(self::$tz_cache[$event['tzid']]);
$arr = Api\DateTime::to($time,'array');
$vevent->setAttribute($icalFieldName, array(
'year' => $arr['year'],
'month' => $arr['month'],
'mday' => $arr['day']),
array('VALUE' => 'DATE')
);
}
}
elseif ($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 (empty($revent['whole_day']))
{
$attributes[$icalFieldName] = self::getDateTime($event['recurrence'],$tzid,$parameters[$icalFieldName]);
}
else
{
$time = new Api\DateTime($event['recurrence'],Api\DateTime::$server_timezone);
$time->setTimezone(self::$tz_cache[$event['tzid']]);
$arr = Api\DateTime::to($time,'array');
$vevent->setAttribute($icalFieldName, array(
'year' => $arr['year'],
'month' => $arr['month'],
'mday' => $arr['day']),
array('VALUE' => 'DATE')
);
}
unset($revent);
}
break;
case 'ATTACH':
if (!empty($event['id']))
{
Api\CalDAV::add_attach('calendar', $event['id'], $attributes, $parameters);
}
break;
default:
if (isset($this->clientProperties[$icalFieldName]['Size']))
{
$size = $this->clientProperties[$icalFieldName]['Size'];
$noTruncate = $this->clientProperties[$icalFieldName]['NoTruncate'];
if ($this->log && $size > 0)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
"() $icalFieldName Size: $size, NoTruncate: " .
($noTruncate ? 'TRUE' : 'FALSE') . "\n",3,$this->logfile);
}
//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)
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
"() $icalFieldName omitted due to maximum size $size\n",3,$this->logfile);
}
//Horde::logMessage("vCalendar $icalFieldName omitted due to maximum size $size",
// __FILE__, __LINE__, PEAR_LOG_WARNING);
continue 2; // skip field
}
// truncate the value to size
$value = substr($value, 0, $size - 1);
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
"() $icalFieldName truncated to maximum size $size\n",3,$this->logfile);
}
//Horde::logMessage("vCalendar $icalFieldName truncated to maximum size $size",
// __FILE__, __LINE__, PEAR_LOG_INFO);
}
if (!empty($value) || ($size >= 0 && !$noTruncate))
{
$attributes[$icalFieldName] = $value;
}
}
}
// for CalDAV add all X-Properties previously parsed
if ($this->productManufacturer == 'groupdav' || $this->productManufacturer == 'file')
{
foreach($event as $name => $value)
{
if (substr($name, 0, 2) == '##')
{
if ($value[0] === '{' && ($attr = json_decode($value, true)) && is_array($attr))
{
// check if attribute was stored compressed --> uncompress it
if (count($attr) === 1 && !empty($attr['gzcompress']))
{
$attr = json_decode(gzuncompress(base64_decode($attr['gzcompress'])), true);
if (!is_array($attr)) continue;
}
$vevent->setAttribute(substr($name, 2), $attr['value'], $attr['params'], true, $attr['values']);
}
else
{
$vevent->setAttribute(substr($name, 2), $value);
}
}
}
}
if ($this->productManufacturer == 'nokia')
{
if ($event['special'] == '1')
{
$attributes['X-EPOCAGENDAENTRYTYPE'] = 'ANNIVERSARY';
$attributes['DTEND'] = $attributes['DTSTART'];
}
elseif ($event['special'] == '2' || !empty($event['whole_day']))
{
$attributes['X-EPOCAGENDAENTRYTYPE'] = 'EVENT';
}
else
{
$attributes['X-EPOCAGENDAENTRYTYPE'] = 'APPOINTMENT';
}
}
if ($event['created'] || $event['modified'])
{
$attributes['CREATED'] = $event['created'] ? $event['created'] : $event['modified'];
}
if ($event['modified'])
{
$attributes['LAST-MODIFIED'] = $event['modified'];
}
$attributes['DTSTAMP'] = time();
foreach ((array)$event['alarm'] as $alarmData)
{
// skip over alarms that don't have the minimum required info
if (!isset($alarmData['offset']) && !isset($alarmData['time'])) continue;
// skip alarms not being set for all users and alarms owned by other users
if ($alarmData['all'] != true && $alarmData['owner'] != $this->user)
{
continue;
}
if ($alarmData['offset'])
{
$alarmData['time'] = $event['start'] - $alarmData['offset'];
}
$description = trim(preg_replace("/\r?\n?\\[[A-Z_]+:.*\\]/i", '', $event['description']));
if ($version == '1.0')
{
if ($event['title']) $description = $event['title'];
if ($description)
{
$values['DALARM']['snooze_time'] = '';
$values['DALARM']['repeat count'] = '';
$values['DALARM']['display text'] = $description;
$values['AALARM']['snooze_time'] = '';
$values['AALARM']['repeat count'] = '';
$values['AALARM']['display text'] = $description;
}
$attributes['DALARM'] = self::getDateTime($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
// RFC requires DESCRIPTION for DISPLAY
if (!$event['title'] && !$description) $description = 'Alarm';
/* Disabling for now
// Lightning infinitly pops up alarms for recuring events, if the only use an offset
if ($this->productName == 'lightning' && $event['recur_type'] != MCAL_RECUR_NONE)
{
// return only future alarms to lightning
if (($nextOccurence = $this->read($event['id'], $this->now_su + $alarmData['offset'], false, 'server')))
{
$alarmData['time'] = $nextOccurence['start'] - $alarmData['offset'];
$alarmData['offset'] = false;
}
else
{
continue;
}
}*/
// for SyncML non-whole-day events always use absolute times
// (probably because some devices have no clue about timezones)
// GroupDAV uses offsets, as web UI assumes alarms are relative too
// (with absolute times GroupDAV clients do NOT move alarms, if events move!)
if ($this->productManufacturer != 'groupdav' &&
!empty($event['whole_day']) && $alarmData['offset'])
{
$alarmData['offset'] = false;
}
$valarm = Horde_Icalendar::newComponent('VALARM',$vevent);
if ($alarmData['offset'] !== false)
{
$valarm->setAttribute('TRIGGER', -$alarmData['offset'],
array('VALUE' => 'DURATION', 'RELATED' => 'START'));
}
else
{
$params = array('VALUE' => 'DATE-TIME');
$value = self::getDateTime($alarmData['time'],$tzid,$params);
$valarm->setAttribute('TRIGGER', $value, $params);
}
if (!empty($alarmData['uid']))
{
$valarm->setAttribute('UID', $alarmData['uid']);
$valarm->setAttribute('X-WR-ALARMUID', $alarmData['uid']);
}
// set evtl. existing attributes set by iCal clients not used by EGroupware
if (isset($alarmData['attrs']))
{
foreach($alarmData['attrs'] as $attr => $data)
{
$valarm->setAttribute($attr, $data['value'], $data['params']);
}
}
// set default ACTION and DESCRIPTION, if not set by a client
if (!isset($alarmData['attrs']) || !isset($alarmData['attrs']['ACTION']))
{
$valarm->setAttribute('ACTION','DISPLAY');
}
if (!isset($alarmData['attrs']) || !isset($alarmData['attrs']['DESCRIPTION']))
{
$valarm->setAttribute('DESCRIPTION',$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)
{
$valueData = Api\Translation::convert($valueData,Api\Translation::charset(),$charset);
$paramData = (array) Api\Translation::convert(is_array($value) ?
$parameters[$key][$valueID] : $parameters[$key],
Api\Translation::charset(),$charset);
$valuesData = (array) Api\Translation::convert($values[$key],
Api\Translation::charset(),$charset);
$content = $valueData . implode(';', $valuesData);
if ($version == '1.0' && (preg_match('/[^\x20-\x7F]/', $content) ||
($paramData['CN'] && preg_match('/[^\x20-\x7F]/', $paramData['CN']))))
{
$paramData['CHARSET'] = $charset;
switch ($this->productManufacturer)
{
case 'groupdav':
if ($this->productName == 'kde')
{
$paramData['ENCODING'] = 'QUOTED-PRINTABLE';
}
else
{
$paramData['CHARSET'] = '';
if (preg_match(Api\CalDAV\Handler::REQUIRE_QUOTED_PRINTABLE_ENCODING, $valueData))
{
$paramData['ENCODING'] = 'QUOTED-PRINTABLE';
}
else
{
$paramData['ENCODING'] = '';
}
}
break;
case 'funambol':
$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);
$events_exported = true;
}
$retval = $events_exported ? $vcal->exportvCalendar() : false;
if ($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,$this->logfile);
}
// hack to fix iCalendar exporting EXDATE always postfixed with a Z
// EXDATE can have multiple values and therefore be folded into multiple lines
return preg_replace_callback("/\nEXDATE;TZID=[^:]+:[0-9TZ \n,]+/", function($matches)
{
return preg_replace('/([0-9 ])Z/', '$1', $matches[0]);
}, $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) || $tzid == 'UTC')
{
return Api\DateTime::to($time,'ts');
}
if (!is_a($time,'DateTime'))
{
$time = new Api\DateTime($time,Api\DateTime::$server_timezone);
}
if (!isset(self::$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');
}
/**
* Number of events imported in last call to importVCal
*
* @var int
*/
var $events_imported;
/**
* Import an iCal
*
* @param string|resource $_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)
* @param string $principalURL='' Used for CalDAV imports
* @param int $user=null account_id of owner, default null
* @param string $charset The encoding charset for $text. Defaults to
* utf-8 for new format, iso-8859-1 for old format.
* @param string $caldav_name=null name from CalDAV client or null (to use default)
* @return int|boolean|null cal_id > 0 on success, false on failure or 0 for a failed etag|permission denied or null for "403 Forbidden"
*/
function importVCal($_vcalData, $cal_id=-1, $etag=null, $merge=false, $recur_date=0, $principalURL='', $user=null, $charset=null, $caldav_name=null,$skip_notification=false)
{
//error_log(__METHOD__."(, $cal_id, $etag, $merge, $recur_date, $principalURL, $user, $charset, $caldav_name)");
$this->events_imported = 0;
$replace = $delete_exceptions= false;
if (!is_array($this->supportedFields)) $this->setSupportedFields();
if (!($events = $this->icaltoegw($_vcalData, $principalURL, $charset)))
{
return false;
}
if (!is_array($events)) $cal_id = -1; // just to be sure, as iterator does NOT allow array access (eg. $events[0])
if ($cal_id > 0)
{
if (count($events) == 1)
{
$replace = $recur_date == 0;
$events[0]['id'] = $cal_id;
if (!is_null($etag)) $events[0]['etag'] = (int) $etag;
if ($recur_date) $events[0]['recurrence'] = $recur_date;
}
elseif (($foundEvent = $this->find_event(array('id' => $cal_id), 'exact')) &&
($eventId = array_shift($foundEvent)) &&
($egwEvent = $this->read($eventId)))
{
foreach ($events as $k => $event)
{
if (!isset($event['uid'])) $events[$k]['uid'] = $egwEvent['uid'];
}
}
}
// check if we are importing an event series with exceptions in CalDAV
// only first event / series master get's cal_id from URL
// other events are exceptions and need to be checked if they are new
// and for real (not status only) exceptions their recurrence-id need
// to be included as recur_exception to the master
if ($this->productManufacturer == 'groupdav' && $cal_id > 0 &&
$events[0]['recur_type'] != MCAL_RECUR_NONE)
{
calendar_groupdav::fix_series($events);
}
if ($this->tzid)
{
$tzid = $this->tzid;
}
else
{
$tzid = Api\DateTime::$user_timezone->getName();
}
date_default_timezone_set($tzid);
$msg = null;
foreach ($events as $event)
{
if (!is_array($event)) continue; // the iterator may return false
// Run event through callback
if($this->event_callback && is_callable($this->event_callback))
{
if(!call_user_func_array($this->event_callback, array(&$event)))
{
// Callback cancelled event
continue;
}
}
++$this->events_imported;
if ($this->so->isWholeDay($event)) $event['whole_day'] = true;
if (is_array($event['category']))
{
$event['category'] = $this->find_or_add_categories($event['category'],
isset($event['id']) ? $event['id'] : -1);
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
."($cal_id, $etag, $recur_date, $principalURL, $user, $charset)\n"
. array2string($event)."\n",3,$this->logfile);
}
$updated_id = false;
if ($replace)
{
$event_info['type'] = $event['recur_type'] == MCAL_RECUR_NONE ?
'SINGLE' : 'SERIES-MASTER';
$event_info['acl_edit'] = $this->check_perms(Acl::EDIT, $cal_id);
if (($event_info['stored_event'] = $this->read($cal_id, 0, false, 'server')) &&
$event_info['stored_event']['recur_type'] != MCAL_RECUR_NONE &&
($event_info['stored_event']['recur_type'] != $event['recur_type']
|| $event_info['stored_event']['recur_interval'] != $event['recur_interval']
|| $event_info['stored_event']['recur_data'] != $event['recur_data']
|| $event_info['stored_event']['start'] != $event['start']))
{
// handle the old exceptions
$recur_exceptions = $this->so->get_related($event_info['stored_event']['uid']);
foreach ($recur_exceptions as $id)
{
if ($delete_exceptions)
{
$this->delete($id,0,false,$skip_notification);
}
else
{
if (!($exception = $this->read($id))) continue;
$exception['uid'] = Api\CalDAV::generate_uid('calendar', $id);
$exception['reference'] = $exception['recurrence'] = 0;
$this->update($exception, true,true,false,true,$msg,$skip_notification);
}
}
}
}
else
{
$event_info = $this->get_event_info($event);
}
// common adjustments for existing events
if (is_array($event_info['stored_event']))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
. "(UPDATE Event)\n"
. array2string($event_info['stored_event'])."\n",3,$this->logfile);
}
if (empty($event['uid']))
{
$event['uid'] = $event_info['stored_event']['uid']; // restore the UID if it was not delivered
}
elseif (empty($event['id']))
{
$event['id'] = $event_info['stored_event']['id']; // CalDAV does only provide UIDs
}
if (is_array($event['participants']))
{
// if the client does not return a status, we restore the original one
foreach ($event['participants'] as $uid => $status)
{
if ($status[0] == 'X')
{
if (isset($event_info['stored_event']['participants'][$uid]))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"() Restore status for $uid\n",3,$this->logfile);
}
$event['participants'][$uid] = $event_info['stored_event']['participants'][$uid];
}
else
{
$event['participants'][$uid] = calendar_so::combine_status('U');
}
}
// restore resource-quantity from existing event as neither iOS nor Thunderbird returns our X-EGROUPWARE-QUANTITY
elseif ($uid[0] === 'r' && isset($event_info['stored_event']['participants'][$uid]))
{
$quantity = $role = $old_quantity = null;
calendar_so::split_status($status, $quantity, $role);
calendar_so::split_status($event_info['stored_event']['participants'][$uid], $old_quantity);
if ($old_quantity > 1)
{
$event['participants'][$uid] = calendar_so::combine_status('U', $old_quantity, $role);
}
}
}
}
// unset old X-* attributes stored in custom-fields
foreach ($event_info['stored_event'] as $key => $value)
{
if ($key[0] == '#' && $key[1] == '#' && !isset($event[$key]))
{
$event[$key] = '';
}
}
if ($merge)
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"()[MERGE]\n",3,$this->logfile);
}
// overwrite with server data for merge
foreach ($event_info['stored_event'] as $key => $value)
{
switch ($key)
{
case 'participants_types':
continue 2; // +1 for switch
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] = $status;
}
}
break;
default:
if (!empty($value)) $event[$key] = $value;
}
}
}
else
{
// no merge
if(!isset($this->supportedFields['category']))
{
$event['category'] = $event_info['stored_event']['category'];
}
if (!isset($this->supportedFields['participants'])
|| !$event['participants']
|| !is_array($event['participants'])
|| !count($event['participants']))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"() No participants\n",3,$this->logfile);
}
// If this is an updated meeting, and the client doesn't support
// participants OR the event no longer contains participants, add them back
unset($event['participants']);
}
// since we export now all participants in CalDAV as urn:uuid, if they have no email,
// we dont need and dont want that special treatment anymore, as it keeps client from changing resources
elseif ($this->productManufacturer != 'groupdav')
{
foreach ($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]))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"() Restore resource $uid to status $status\n",3,$this->logfile);
}
// Add it back in
$event['participants'][$uid] = $status;
}
}
}
/* Modifying an existing event with timezone different from default timezone of user
* to a whole-day event (no timezone allowed according to iCal rfc)
* --> code to modify start- and end-time here creates a one day longer event!
* Skipping that code, creates the event correct in default timezone of user
if (!empty($event['whole_day']) && $event['tzid'] != $event_info['stored_event']['tzid'])
{
// Adjust dates to original TZ
$time = new Api\DateTime($event['start'],Api\DateTime::$server_timezone);
$time =& $this->so->startOfDay($time, $event_info['stored_event']['tzid']);
$event['start'] = Api\DateTime::to($time,'server');
//$time = new Api\DateTime($event['end'],Api\DateTime::$server_timezone);
//$time =& $this->so->startOfDay($time, $event_info['stored_event']['tzid']);
//$time->setTime(23, 59, 59);
$time->modify('+'.round(($event['end']-$event['start'])/DAY_s).' day');
$event['end'] = Api\DateTime::to($time,'server');
if ($event['recur_type'] != MCAL_RECUR_NONE)
{
foreach ($event['recur_exception'] as $key => $day)
{
$time = new Api\DateTime($day,Api\DateTime::$server_timezone);
$time =& $this->so->startOfDay($time, $event_info['stored_event']['tzid']);
$event['recur_exception'][$key] = Api\DateTime::to($time,'server');
}
}
elseif ($event['recurrence'])
{
$time = new Api\DateTime($event['recurrence'],Api\DateTime::$server_timezone);
$time =& $this->so->startOfDay($time, $event_info['stored_event']['tzid']);
$event['recurrence'] = Api\DateTime::to($time,'server');
}
error_log(__METHOD__."() TZ adjusted {$event_info['stored_event']['tzid']} --> {$event['tzid']} event=".array2string($event));
}*/
calendar_rrule::rrule2tz($event, $event_info['stored_event']['start'],
$event_info['stored_event']['tzid']);
$event['tzid'] = $event_info['stored_event']['tzid'];
// avoid that iCal changes the organizer, which is not allowed
$event['owner'] = $event_info['stored_event']['owner'];
}
$event['caldav_name'] = $event_info['stored_event']['caldav_name'];
// as we no longer export event owner/ORGANIZER as only participant, we have to re-add owner as participant
// to not loose him, as EGroupware knows events without owner/ORGANIZER as participant
if (isset($event_info['stored_event']['participants'][$event['owner']]) && !isset($event['participants'][$event['owner']]))
{
$event['participants'][$event['owner']] = $event_info['stored_event']['participants'][$event['owner']];
}
}
else // common adjustments for new events
{
unset($event['id']);
if ($caldav_name) $event['caldav_name'] = $caldav_name;
// set non blocking all day depending on the user setting
if (!empty($event['whole_day']) && $this->nonBlockingAllday)
{
$event['non_blocking'] = 1;
}
if (!is_null($user))
{
if ($user > 0 && $this->check_perms(Acl::ADD, 0, $user))
{
$event['owner'] = $user;
}
elseif ($user > 0)
{
date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
return 0; // no permission
}
else
{
// add group or resource invitation
$event['owner'] = $this->user;
if (!isset($event['participants'][$this->user]))
{
$event['participants'][$this->user] = calendar_so::combine_status('A', 1, 'CHAIR');
}
// for resources check which new-status to give (eg. with direct booking permision 'A' instead 'U')
$event['participants'][$user] = calendar_so::combine_status(
$user < 0 || !isset($this->resources[$user[0]]['new_status']) ? 'U' :
ExecMethod($this->resources[$user[0]]['new_status'], substr($user, 1)));
}
}
// check if an owner is set and the current user has add rights
// for that owners calendar; if not set the current user
elseif (!isset($event['owner'])
|| !$this->check_perms(Acl::ADD, 0, $event['owner']))
{
$event['owner'] = $this->user;
}
if (!$event['participants']
|| !is_array($event['participants'])
|| !count($event['participants'])
// for new events, allways add owner as participant. Users expect to participate too, if they invite further participants.
// They can now only remove themselfs, if that is desired, after storing the event first.
|| !isset($event['participants'][$event['owner']]))
{
$status = calendar_so::combine_status($event['owner'] == $this->user ? 'A' : 'U', 1, 'CHAIR');
if (!is_array($event['participants'])) $event['participants'] = array();
$event['participants'][$event['owner']] = $status;
}
else
{
foreach ($event['participants'] as $uid => $status)
{
// if the client did not give us a proper status => set default
if ($status[0] == 'X')
{
if ($uid == $event['owner'])
{
$event['participants'][$uid] = calendar_so::combine_status('A', 1, 'CHAIR');
}
else
{
$event['participants'][$uid] = calendar_so::combine_status('U');
}
}
}
}
}
// update alarms depending on the given event type
if (count($event['alarm']) > 0 || isset($this->supportedFields['alarm']))
{
switch ($event_info['type'])
{
case 'SINGLE':
case 'SERIES-MASTER':
case 'SERIES-EXCEPTION':
case 'SERIES-EXCEPTION-PROPAGATE':
if (isset($event['alarm']))
{
$this->sync_alarms($event, (array)$event_info['stored_event']['alarm'], $this->user);
}
break;
case 'SERIES-PSEUDO-EXCEPTION':
// nothing to do here
break;
}
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ . '('
. $event_info['type'] . ")\n"
. array2string($event)."\n",3,$this->logfile);
}
// Android (any maybe others) delete recurrences by setting STATUS: CANCELLED
// as we ignore STATUS we have to delete the recurrence by calling delete
if (in_array($event_info['type'], array('SERIES-EXCEPTION', 'SERIES-EXCEPTION-PROPAGATE', 'SERIES-PSEUDO-EXCEPTION')) &&
$event['status'] == 'CANCELLED')
{
if (!$this->delete($event['id'] ? $event['id'] : $cal_id, $event['recurrence'],false,$skip_notification))
{
// delete fails (because no rights), reject recurrence
$this->set_status($event['id'] ? $event['id'] : $cal_id, $this->user, 'R', $event['recurrence'],false,true,$skip_notification);
}
continue;
}
// save event depending on the given event type
switch ($event_info['type'])
{
case 'SINGLE':
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"(): event SINGLE\n",3,$this->logfile);
}
// update the event
if ($event_info['acl_edit'])
{
// Force SINGLE
$event['reference'] = 0;
$event_to_store = $event; // prevent $event from being changed by the update method
$this->server2usertime($event_to_store);
$updated_id = $this->update($event_to_store, true,true,false,true,$msg,$skip_notification);
unset($event_to_store);
}
break;
case 'SERIES-MASTER':
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"(): event SERIES-MASTER\n",3,$this->logfile);
}
// remove all known pseudo exceptions and update the event
if ($event_info['acl_edit'])
{
$filter = isset($this->supportedFields['participants']) ? 'map' : 'tz_map';
$days = $this->so->get_recurrence_exceptions($event_info['stored_event'], $this->tzid, 0, 0, $filter);
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."(EXCEPTIONS MAPPING):\n" .
array2string($days)."\n",3,$this->logfile);
}
if (is_array($days))
{
$recur_exceptions = array();
foreach ($event['recur_exception'] as $recur_exception)
{
if (isset($days[$recur_exception]))
{
$recur_exceptions[] = $days[$recur_exception];
}
}
$event['recur_exception'] = $recur_exceptions;
}
$event_to_store = $event; // prevent $event from being changed by the update method
$this->server2usertime($event_to_store);
$updated_id = $this->update($event_to_store, true,true,false,true,$msg,$skip_notification);
unset($event_to_store);
}
break;
case 'SERIES-EXCEPTION':
case 'SERIES-EXCEPTION-PROPAGATE':
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"(): event SERIES-EXCEPTION\n",3,$this->logfile);
}
// update event
if ($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']);
unset($event_info['stored_event']);
$event['recur_type'] = MCAL_RECUR_NONE;
if (empty($event['recurrence']))
{
// find an existing exception slot
$occurence = $exception = false;
foreach ($event_info['master_event']['recur_exception'] as $exception)
{
if ($exception > $event['start']) break;
$occurence = $exception;
}
if (!$occurence)
{
if (!$exception)
{
// use start as dummy recurrence
$event['recurrence'] = $event['start'];
}
else
{
$event['recurrence'] = $exception;
}
}
else
{
$event['recurrence'] = $occurence;
}
}
else
{
$event_info['master_event']['recur_exception'] =
array_unique(array_merge($event_info['master_event']['recur_exception'],
array($event['recurrence'])));
}
$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_info['master_event']; // prevent the master_event from being changed by the update method
$this->server2usertime($event_to_store);
$this->update($event_to_store, true,true,false,true,$msg,$skip_notification);
unset($event_to_store);
}
$event_to_store = $event; // prevent $event from being changed by update method
$this->server2usertime($event_to_store);
$updated_id = $this->update($event_to_store, true,true,false,true,$msg,$skip_notification);
unset($event_to_store);
}
break;
case 'SERIES-PSEUDO-EXCEPTION':
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"(): event SERIES-PSEUDO-EXCEPTION\n",3,$this->logfile);
}
//Horde::logMessage('importVCAL event SERIES-PSEUDO-EXCEPTION',
// __FILE__, __LINE__, PEAR_LOG_DEBUG);
if ($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
$this->server2usertime($event_to_store);
$updated_id = $this->update($event_to_store, true, true, false, false,$msg,$skip_notification);
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, 0, false, 'server');
}
if (isset($event['participants']))
{
// update status depending on the given event type
switch ($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, $event_info['stored_event'],0,$skip_notification);
}
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,true,$skip_notification);
}
}
break;
case 'SERIES-PSEUDO-EXCEPTION':
if (is_array($event_info['master_event'])) // status update requires a stored master event
{
$recurrence = $this->date2usertime($event['recurrence']);
if ($event_info['acl_edit'])
{
// update all participants if we have the right to do that
$this->update_status($event, $event_info['stored_event'], $recurrence,$skip_notification);
}
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'), $recurrence, true,true,$skip_notification);
}
}
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-PSEUDO-EXCEPTION':
$return_id = is_array($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-PSEUDO-EXCEPTION id and keep the event untouched
$return_id = $event_info['master_event']['id'] . ':' . $event['recurrence'];
}
break;
}
// handle ATTACH attribute for managed attachments
if ($updated_id && Api\CalDAV::handle_attach('calendar', $updated_id, $event['attach'], $event['attach-delete-by-put']) === false)
{
$return_id = null;
}
if ($this->log)
{
$event_info['stored_event'] = $this->read($event_info['stored_event']['id']);
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."()[$updated_id]\n" .
array2string($event_info['stored_event'])."\n",3,$this->logfile);
}
}
date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
return $updated_id === 0 ? 0 : $return_id;
}
/**
* Override parent update function to handle conflict checking callback, if set
*
* @param array &$event event-array, on return some values might be changed due to set defaults
* @param boolean $ignore_conflicts =false just ignore conflicts or do a conflict check and return the conflicting events.
* Set to false if $this->conflict_callback is set
* @param boolean $touch_modified =true NOT USED ANYMORE (was only used in old csv-import), modified&modifier is always updated!
* @param boolean $ignore_acl =false should we ignore the acl
* @param boolean $updateTS =true update the content history of the event
* @param array &$messages=null messages about because of missing ACL removed participants or categories
* @param boolean $skip_notification =false true: send NO notifications, default false = send them
* @return mixed on success: int $cal_id > 0, on error or conflicts false.
* Conflicts are passed to $this->conflict_callback
*/
public function update(&$event,$ignore_conflicts=false,$touch_modified=true,$ignore_acl=false,$updateTS=true,&$messages=null, $skip_notification=false)
{
if($this->conflict_callback !== null)
{
// calendar_ical overrides search(), which breaks conflict checking
// so we make sure to use the original from parent
static $bo = null;
if(!$bo)
{
$bo = new calendar_boupdate();
}
$conflicts = $bo->conflicts($event);
if(is_array($conflicts) && count($conflicts) > 0)
{
call_user_func_array($this->conflict_callback, array(&$event, &$conflicts));
return false;
}
}
return parent::update($event, $ignore_conflicts, $touch_modified, $ignore_acl, $updateTS, $messages, $skip_notification);
}
/**
* Sync alarms of current user: add alarms added on client and remove the ones removed
*
* @param array& $event
* @param array $old_alarms
* @param int $user account_id of user to create alarm for
* @return int number of modified alarms
*/
public function sync_alarms(array &$event, array $old_alarms, $user)
{
if ($this->debug) error_log(__METHOD__."(".array2string($event).', old_alarms='.array2string($old_alarms).", $user,)");
$modified = 0;
foreach($event['alarm'] as &$alarm)
{
// check if alarm is already stored or from other users
$found = false;
foreach($old_alarms as $id => $old_alarm)
{
// not current users alarm --> ignore
if (!$old_alarm['all'] && $old_alarm['owner'] != $user)
{
unset($old_alarm[$id]);
continue;
}
// alarm found --> stop
if (empty($alarm['uid']) && $alarm['offset'] == $old_alarm['offset'] || $alarm['uid'] && $alarm['uid'] == $old_alarm['uid'])
{
$found = true;
unset($old_alarms[$id]);
break;
}
}
if ($this->debug) error_log(__METHOD__."($event[title] (#$event[id]), ..., $user) processing ".($found?'existing':'new')." alarm ".array2string($alarm));
if (!empty($alarm['attrs']['X-LIC-ERROR']))
{
if ($this->debug) error_log(__METHOD__."($event[title] (#$event[id]), ..., $user) ignored X-LIC-ERROR=".array2string($alarm['X-LIC-ERROR']));
unset($alarm['attrs']['X-LIC-ERROR']);
}
// alarm not found --> add it
if (!$found)
{
$alarm['owner'] = $user;
if (!isset($alarm['time'])) $alarm['time'] = $event['start'] - $alarm['offset'];
if ($alarm['time'] < time()) calendar_so::shift_alarm($event, $alarm);
if ($this->debug) error_log(__METHOD__."() adding new alarm from client ".array2string($alarm));
if ($event['id']) $alarm['id'] = $this->save_alarm($event['id'], $alarm);
++$modified;
}
// existing alarm --> update it
else
{
if (!isset($alarm['time'])) $alarm['time'] = $event['start'] - $alarm['offset'];
if ($alarm['time'] < time()) calendar_so::shift_alarm($event, $alarm);
$alarm = array_merge($old_alarm, $alarm);
if ($this->debug) error_log(__METHOD__."() updating existing alarm from client ".array2string($alarm));
$alarm['id'] = $this->save_alarm($event['id'], $alarm);
++$modified;
}
}
// remove all old alarms left from current user
foreach($old_alarms as $id => $old_alarm)
{
// not current users alarm --> ignore
if (!$old_alarm['all'] && $old_alarm['owner'] != $user)
{
unset($old_alarm[$id]);
continue;
}
if ($this->debug) error_log(__METHOD__."() deleting alarm '$id' deleted on client ".array2string($old_alarm));
$this->delete_alarm($id);
++$modified;
}
return $modified;
}
/**
* get the value of an attribute by its name
*
* @param array $components
* @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;
}
/**
* Parsing a valarm component preserving all attributes unknown to EGw
*
* @param array &$alarms on return alarms parsed
* @param Horde_Icalendar_Valarm $valarm valarm component
* @param int $duration in seconds to be able to convert RELATED=END
* @return int number of parsed alarms
*/
static function valarm2egw(&$alarms, Horde_Icalendar_Valarm $valarm, $duration)
{
$alarm = array();
foreach ($valarm->getAllAttributes() 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'] == 'END')
{
$alarm['offset'] = $duration -$vattr['value'];
}
elseif (isset($vattr['params']['RELATED']) && $vattr['params']['RELATED'] != 'START')
{
error_log("Unsupported VALARM offset anchor ".$vattr['params']['RELATED']);
return;
}
else
{
$alarm['offset'] = -$vattr['value'];
}
break;
case 'DATE-TIME':
$alarm['time'] = $vattr['value'];
break;
default:
error_log('VALARM/TRIGGER: unsupported value type:' . $vtype);
}
break;
case 'UID':
case 'X-WR-ALARMUID':
$alarm['uid'] = $vattr['value'];
break;
default: // store all other attributes, so we dont loose them
$alarm['attrs'][$vattr['name']] = array(
'params' => $vattr['params'],
'value' => $vattr['value'],
);
}
}
if (isset($alarm['offset']) || isset($alarm['time']))
{
//error_log(__METHOD__."(..., ".$valarm->exportvCalendar().", $duration) alarm=".array2string($alarm));
$alarms[] = $alarm;
return 1;
}
return 0;
}
function setSupportedFields($_productManufacturer='', $_productName='')
{
$state =& $_SESSION['SyncML.state'];
if (isset($state))
{
$deviceInfo = $state->getClientDeviceInfo();
}
// store product manufacturer and name for further usage
if ($_productManufacturer)
{
$this->productManufacturer = strtolower($_productManufacturer);
$this->productName = strtolower($_productName);
}
if (isset($deviceInfo) && is_array($deviceInfo))
{
/*
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
'() ' . array2string($deviceInfo) . "\n",3,$this->logfile);
}
*/
if (isset($deviceInfo['uidExtension']) &&
$deviceInfo['uidExtension'])
{
$this->uidExtension = true;
}
if (isset($deviceInfo['nonBlockingAllday']) &&
$deviceInfo['nonBlockingAllday'])
{
$this->nonBlockingAllday = true;
}
if (isset($deviceInfo['tzid']) &&
$deviceInfo['tzid'])
{
switch ($deviceInfo['tzid'])
{
case -1:
$this->tzid = false; // use event's TZ
break;
case -2:
$this->tzid = null; // use UTC for export
break;
default:
$this->tzid = $deviceInfo['tzid'];
}
}
elseif (strpos($this->productName, 'palmos') !== false)
{
// for palmos we have to use user-time and NO timezone
$this->tzid = false;
}
if (isset($GLOBALS['egw_info']['user']['preferences']['syncml']['calendar_owner']))
{
$owner = $GLOBALS['egw_info']['user']['preferences']['syncml']['calendar_owner'];
switch ($owner)
{
case 'G':
case 'P':
case 0:
case -1:
$owner = $this->user;
break;
default:
if ((int)$owner && $this->check_perms(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']);
}
}
$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',
'recur_exception' => 'recur_exception',
'title' => 'title',
'alarm' => 'alarm',
'whole_day' => 'whole_day',
);
$defaultFields['basic'] = $defaultFields['minimal'] + array(
'priority' => 'priority',
);
$defaultFields['nexthaus'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'uid' => 'uid',
);
$defaultFields['s60'] = $defaultFields['basic'] + array(
'category' => 'category',
'recurrence' => 'recurrence',
'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',
);
$defaultFields['evolution'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'owner' => 'owner',
'category' => 'category',
'uid' => 'uid',
);
$defaultFields['full'] = $defaultFields['basic'] + array(
'participants' => 'participants',
'owner' => 'owner',
'category' => 'category',
'non_blocking' => 'non_blocking',
'uid' => 'uid',
'recurrence' => 'recurrence',
'etag' => 'etag',
'status' => 'status',
);
switch ($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 'e72-1':
case 'e75-1':
case 'e66':
case '6120c':
case 'nokia 6131':
case 'n97':
case 'n97 mini':
case '5800 xpressmusic':
$this->supportedFields = $defaultFields['s60'];
break;
default:
if ($this->productName[0] == 'e')
{
$model = 'E90';
$this->supportedFields = $defaultFields['s60'];
}
else
{
$model = 'E61';
$this->supportedFields = $defaultFields['minimal'];
}
error_log("Unknown Nokia phone '$_productName', assuming same as '$model'");
break;
}
break;
case 'sonyericsson':
case 'sony ericsson':
switch ($this->productName)
{
case 'd750i':
case 'p910i':
case 'g705i':
case 'w890i':
$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 = $defaultFields['evolution'];
break;
case 'file': // used outside of SyncML, eg. by the calendar itself ==> all possible fields
if ($this->cal_prefs['export_timezone'])
{
$this->tzid = $this->cal_prefs['export_timezone'];
}
else // not set or '0' = use event TZ
{
$this->tzid = false; // use event's TZ
}
$this->supportedFields = $defaultFields['full'];
break;
case 'full':
case 'groupdav': // all GroupDAV access goes through here
$this->tzid = false; // use event's TZ
switch ($this->productName)
{
default:
$this->supportedFields = $defaultFields['full'];
unset($this->supportedFields['whole_day']);
}
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 = $defaultFields['synthesis'];
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
'(' . $this->productManufacturer .
', '. $this->productName .', ' .
($this->tzid ? $this->tzid : Api\DateTime::$user_timezone->getName()) .
', ' . $this->calendarOwner . ")\n" , 3, $this->logfile);
}
//Horde::logMessage('setSupportedFields(' . $this->productManufacturer . ', '
// . $this->productName .', ' .
// ($this->tzid ? $this->tzid : Api\DateTime::$user_timezone->getName()) .')',
// __FILE__, __LINE__, PEAR_LOG_DEBUG);
}
/**
* Convert vCalendar data in EGw events
*
* @param string|resource $_vcalData
* @param string $principalURL ='' Used for CalDAV imports
* @param string $charset The encoding charset for $text. Defaults to
* utf-8 for new format, iso-8859-1 for old format.
* @return Iterator|array|boolean Iterator if resource given or array of events on success, false on failure
*/
function icaltoegw($_vcalData, $principalURL='', $charset=null)
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."($principalURL, $charset)\n" .
array2string($_vcalData)."\n",3,$this->logfile);
}
if (!is_array($this->supportedFields)) $this->setSupportedFields();
// we use Api\CalDAV\IcalIterator only on resources, as calling importVCal() accesses single events like an array (eg. $events[0])
if (is_resource($_vcalData))
{
return new Api\CalDAV\IcalIterator($_vcalData, 'VCALENDAR', $charset,
// true = add container as last parameter to callback parameters
array($this, '_ical2egw_callback'), array($this->tzid, $principalURL), true);
}
if ($this->tzid)
{
$tzid = $this->tzid;
}
else
{
$tzid = Api\DateTime::$user_timezone->getName();
}
date_default_timezone_set($tzid);
$events = array();
$vcal = new Horde_Icalendar;
if ($charset && $charset != 'utf-8')
{
$_vcalData = Api\Translation::convert($_vcalData, $charset, 'utf-8');
}
if (!$vcal->parsevCalendar($_vcalData, 'VCALENDAR'))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
"(): No vCalendar Container found!\n",3,$this->logfile);
}
date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
return false;
}
foreach ($vcal->getComponents() as $component)
{
if (($event = $this->_ical2egw_callback($component,$this->tzid,$principalURL,$vcal)))
{
$events[] = $event;
}
}
date_default_timezone_set($GLOBALS['egw_info']['server']['server_timezone']);
return $events;
}
/**
* Get email of organizer of first vevent in given iCalendar
*
* @param string $_ical
* @return string|boolean
*/
public static function getIcalOrganizer($_ical)
{
$vcal = new Horde_Icalendar;
if (!$vcal->parsevCalendar($_ical, 'VCALENDAR'))
{
return false;
}
if (($vevent = $vcal->findComponentByAttribute('Vevent', 'ORGANIZER')))
{
$organizer = $vevent->getAttribute('ORGANIZER');
if (stripos($organizer, 'mailto:') === 0)
{
return substr($organizer, 7);
}
$params = $vevent->getAttribute('ORGANIZER', true);
return $params['email'];
}
return false;
}
/**
* Callback for Api\CalDAV\IcalIterator to convert Horde_iCalendar_Vevent to EGw event array
*
* @param Horde_iCalendar $component
* @param string $tzid timezone
* @param string $principalURL ='' Used for CalDAV imports
* @param Horde_Icalendar $container =null container to access attributes on container
* @return array|boolean event array or false if $component is no Horde_Icalendar_Vevent
*/
function _ical2egw_callback(Horde_Icalendar $component, $tzid, $principalURL='', Horde_Icalendar $container=null)
{
//unset($component->_container); _debug_array($component);
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.'() '.get_class($component)." found\n",3,$this->logfile);
}
// eg. Mozilla holiday calendars contain only a X-WR-TIMEZONE on vCalendar component
if (!$tzid && $container && ($tz = $container->getAttributeDefault('X-WR-TIMEZONE')))
{
$tzid = $tz;
}
if (!is_a($component, 'Horde_Icalendar_Vevent') ||
!($event = $this->vevent2egw($component, $container ? $container->getAttributeDefault('VERSION', '2.0') : '2.0',
$this->supportedFields, $principalURL, null, $container)))
{
return false;
}
//common adjustments
if ($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'] = $event['recurrence'] = 0;
}
if (Api\DateTime::to($event['start'], 'H:i:s') == '00:00:00' && Api\DateTime::to($event['end'], 'H:i:s') == '00:00:00')
{
// 'All day' event that ends at midnight the next day, avoid that
$event['end']--;
}
// handle the alarms
$alarms = $event['alarm'];
foreach ($component->getComponents() as $valarm)
{
if (is_a($valarm, 'Horde_Icalendar_Valarm'))
{
self::valarm2egw($alarms, $valarm, $event['end'] - $event['start']);
}
}
$event['alarm'] = $alarms;
if ($tzid || empty($event['tzid']))
{
$event['tzid'] = $tzid;
}
return $event;
}
/**
* 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 string $principalURL ='' Used for CalDAV imports, no longer used in favor of Api\CalDAV\Principals::url2uid()
* @param string $check_component ='Horde_Icalendar_Vevent'
* @param Horde_Icalendar $container =null container to access attributes on container
* @return array|boolean event on success, false on failure
*/
function vevent2egw($component, $version, $supportedFields, $principalURL='', $check_component='Horde_Icalendar_Vevent', Horde_Icalendar $container=null)
{
unset($principalURL); // not longer used, but required in function signature
if ($check_component && !is_a($component, $check_component))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.'()' .
get_class($component)." found\n",3,$this->logfile);
}
return false;
}
if (!empty($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();
$organizer_status = $organizer_uid = null;
$vcardData = array(
'recur_type' => MCAL_RECUR_NONE,
'recur_exception' => array(),
'priority' => 0, // iCalendar default is 0=undefined, not EGroupware 5=normal
'public' => 1,
);
// we need to parse DTSTART, DTEND or DURATION (in that order!) first
foreach (array_merge(
$component->getAllAttributes('DTSTART'),
$component->getAllAttributes('DTEND'),
$component->getAllAttributes('DURATION')) as $attributes)
{
//error_log(__METHOD__."() attribute=".array2string($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'] = $dtstart_ts;
// set event timezone from dtstart, if specified there
if (!empty($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']);
// sometimes we do not get an Api\DateTime object but no exception is thrown
// may be php 5.2.x related. occurs when a NokiaE72 tries to open Outlook invitations
if ($tz instanceof DateTimeZone)
{
$event['tzid'] = $tz->getName();
}
else
{
error_log(__METHOD__ . '() unknown TZID='
. $attributes['params']['TZID'] . ', defaulting to timezone "'
. date_default_timezone_get() . '".'.array2string($tz));
$event['tzid'] = date_default_timezone_get(); // default to current timezone
}
}
catch(Exception $e)
{
error_log(__METHOD__ . '() unknown TZID='
. $attributes['params']['TZID'] . ', defaulting to timezone "'
. date_default_timezone_get() . '".'.$e->getMessage());
$event['tzid'] = date_default_timezone_get(); // default to current timezone
}
}
// if no timezone given and one is specified in class (never the case for CalDAV)
elseif ($this->tzid)
{
$event['tzid'] = $this->tzid;
}
// Horde seems not to distinguish between an explicit UTC time postfixed with Z and one without
// assuming for now UTC to pass CalDAVTester tests
// ToDo: fix Horde_Icalendar to return UTC for timestamp postfixed with Z
elseif (!$isDate)
{
$event['tzid'] = 'UTC';
}
// default to use timezone to better kope with floating time
else
{
$event['tzid'] = Api\DateTime::$user_timezone->getName();
}
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'] = $dtend_ts;
break;
case 'DURATION': // clients can use DTSTART+DURATION, instead of DTSTART+DTEND
if (!isset($vcardData['end']))
{
$vcardData['end'] = $vcardData['start'] + $attributes['value'];
}
else
{
error_log(__METHOD__."() find DTEND AND DURATION --> ignoring DURATION");
}
break;
}
}
if (!isset($vcardData['start']))
{
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
. "() DTSTART missing!\n",3,$this->logfile);
}
return false; // not a valid entry
}
// if neither duration nor dtend specified, default for dtstart as date is 1 day
if (!isset($vcardData['end']) && !$isDate)
{
$end = new Api\DateTime($vcardData['start']);
$end->add('1 day');
$vcardData['end'] = $end->format('ts');
}
// lets see what we can get from the vcard
foreach ($component->getAllAttributes() as $attributes)
{
switch ($attributes['name'])
{
case 'X-MICROSOFT-CDO-ALLDAYEVENT':
if (isset($supportedFields['whole_day']))
{
$event['whole_day'] = (isset($attributes['value'])?strtoupper($attributes['value'])=='TRUE':true);
}
break;
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'] = str_replace("\r\n", "\n", $attributes['value']);
$matches = null;
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'] = str_replace("\r\n", "\n", $attributes['value']);
break;
case 'RRULE':
unset($vcardData['recur_type']); // it wont be set by +=
$vcardData += calendar_rrule::parseRrule($attributes['value']);
if (!empty($vcardData['recur_enddate'])) self::check_fix_endate ($vcardData);
break;
case 'EXDATE': // current Horde_Icalendar returns dates, no timestamps
if ($attributes['values'])
{
$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);
}
break;
case 'SUMMARY':
$vcardData['title'] = str_replace("\r\n", "\n", $attributes['value']);
break;
case 'UID':
if (strlen($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
|| strpos($this->productName, 'pocket pc') !== false))
{
$vcardData['priority'] = (int) $this->priority_funambol2egw[$attributes['value']];
}
else
{
$vcardData['priority'] = (int) $this->priority_ical2egw[$attributes['value']];
}
break;
case 'CATEGORIES':
if ($attributes['value'])
{
$vcardData['category'] = explode(',', $attributes['value']);
}
else
{
$vcardData['category'] = array();
}
break;
case 'ORGANIZER':
$event['organizer'] = $attributes['value']; // no egw field, but needed in AS
if (strtolower(substr($event['organizer'],0,7)) == 'mailto:')
{
$event['organizer'] = substr($event['organizer'],7);
}
if (!empty($attributes['params']['CN']))
{
$event['organizer'] = $attributes['params']['CN'].' <'.$event['organizer'].'>';
}
// fall throught
case 'ATTENDEE':
// work around Ligthning sending @ as %40
$attributes['value'] = str_replace('%40', '@', $attributes['value']);
if (isset($attributes['params']['PARTSTAT']))
{
$attributes['params']['STATUS'] = $attributes['params']['PARTSTAT'];
}
if (isset($attributes['params']['STATUS']))
{
$status = $this->status_ical2egw[strtoupper($attributes['params']['STATUS'])];
if (empty($status)) $status = 'X';
}
else
{
$status = 'X'; // client did not return the status
}
$uid = $email = $cn = '';
$quantity = 1;
$role = 'REQ-PARTICIPANT';
if (!empty($attributes['params']['ROLE']))
{
$role = $attributes['params']['ROLE'];
}
// CN explicit given --> use it
if (strtolower(substr($attributes['value'], 0, 7)) == 'mailto:' &&
!empty($attributes['params']['CN']))
{
$email = substr($attributes['value'], 7);
$cn = $attributes['params']['CN'];
}
// try parsing email and cn from attendee
elseif (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]) ? $matches[2]: '';
}
elseif (!empty($attributes['value']) &&
preg_match('/"?([.a-z0-9_ -]*)"?[ ]*<([@.a-z0-9_-]*)>/i',
$attributes['value'],$matches))
{
$cn = $matches[1];
$email = $matches[2];
}
elseif (strpos($attributes['value'],'@') !== false)
{
$email = $attributes['value'];
}
// try X-EGROUPWARE-UID, but only if it resolves to same email (otherwise we are in trouble if different EGw installs talk to each other)
if (!$uid && !empty($attributes['params']['X-EGROUPWARE-UID']) &&
($res_info = $this->resource_info($attributes['params']['X-EGROUPWARE-UID'])) &&
!strcasecmp($res_info['email'], $email))
{
$uid = $attributes['params']['X-EGROUPWARE-UID'];
if (!empty($attributes['params']['X-EGROUPWARE-QUANTITY']))
{
$quantity = $attributes['params']['X-EGROUPWARE-QUANTITY'];
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
. "(): Found X-EGROUPWARE-UID: '$uid'\n",3,$this->logfile);
}
}
elseif ($attributes['value'] == 'Unknown')
{
// we use the current user
$uid = $this->user;
}
// check principal url from CalDAV here after X-EGROUPWARE-UID and to get optional X-EGROUPWARE-QUANTITY
if (!$uid) $uid = Api\CalDAV\Principals::url2uid($attributes['value'], null, $cn);
// try to find an email address
if (!$uid && $email && ($uid = $GLOBALS['egw']->accounts->name2id($email, 'account_email')))
{
// we use the account we found
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
. "() Found account: '$uid', '$cn', '$email'\n",3,$this->logfile);
}
}
if (!$uid)
{
$searcharray = array();
// search for provided email address ...
if ($email)
{
$searcharray = array('email' => $email, 'email_home' => $email);
}
// ... and for provided CN
if (!empty($attributes['params']['CN']))
{
$cn = str_replace(array('\\,', '\\;', '\\:', '\\\\'),
array(',', ';', ':', '\\'),
$attributes['params']['CN']);
if ($cn[0] == '"' && substr($cn,-1) == '"')
{
$cn = substr($cn,1,-1);
}
// not searching for $cn, as match can be not unique or without an email address
// --> notification will fail, better store just as email
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
. "() Search participant: '$cn', '$email'\n",3,$this->logfile);
}
//elseif (//$attributes['params']['CUTYPE'] == 'GROUP'
if (preg_match('/(.*) '. lang('Group') . '/', $cn, $matches))
{
// we found a group
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
. "() Found group: '$matches[1]', '$cn', '$email'\n",3,$this->logfile);
}
if (($uid = $GLOBALS['egw']->accounts->name2id($matches[1], 'account_lid', 'g')))
{
//Horde::logMessage("vevent2egw: group participant $uid",
// __FILE__, __LINE__, PEAR_LOG_DEBUG);
if (!isset($vcardData['participants'][$this->user]) &&
$status != 'X' && $status != 'U')
{
// User tries to reply to the group invitiation
if (($members = $GLOBALS['egw']->accounts->members($uid, true)) &&
in_array($this->user, $members))
{
//Horde::logMessage("vevent2egw: set status to " . $status,
// __FILE__, __LINE__, PEAR_LOG_DEBUG);
$vcardData['participants'][$this->user] =
calendar_so::combine_status($status,$quantity,$role);
}
}
$status = 'U'; // keep the group
}
else continue 2; // can't find this group
}
elseif (empty($searcharray))
{
continue 2; // participants without email AND CN --> ignore it
}
elseif ((list($data) = $this->addressbook->search($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')))
{
// found an addressbook entry
$uid = $data['account_id'] ? (int)$data['account_id'] : 'c'.$data['id'];
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
. "() Found addressbook entry: '$uid', '$cn', '$email'\n",3,$this->logfile);
}
}
else
{
if (!$email)
{
$email = 'no-email@egroupware.org'; // set dummy email to store the CN
}
$uid = 'e'. ($cn ? $cn . ' <' . $email . '>' : $email);
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__
. "() Not Found, create dummy: '$uid', '$cn', '$email'\n",3,$this->logfile);
}
}
}
switch($attributes['name'])
{
case 'ATTENDEE':
if (!isset($attributes['params']['ROLE']) &&
isset($event['owner']) && $event['owner'] == $uid)
{
$attributes['params']['ROLE'] = 'CHAIR';
}
if (!isset($vcardData['participants'][$uid]) ||
$vcardData['participants'][$uid][0] != 'A')
{
// keep role 'CHAIR' from an external organizer, even if he is a regular participant with a different role
// as this is currently the only way to store an external organizer and send him iMip responses
$q = $r = null;
if (isset($vcardData['participants'][$uid]) && ($s=$vcardData['participants'][$uid]) &&
calendar_so::split_status($s, $q, $r) && $r == 'CHAIR')
{
$role = 'CHAIR';
}
// for multiple entries the ACCEPT wins
// add quantity and role
$vcardData['participants'][$uid] =
calendar_so::combine_status(
// Thunderbird: if there is a PARTICIPANT for the ORGANIZER AND ORGANZIER has PARTSTAT
// --> use the one from ORGANIZER
$uid === $organizer_uid && !empty($organizer_status) && $organizer_status !== 'X' ?
$organizer_status : $status, $quantity, $role);
try {
if (!$this->calendarOwner && is_numeric($uid) && $role == 'CHAIR')
$component->getAttribute('ORGANIZER');
}
catch(Horde_Icalendar_Exception $e)
{
// we can store the ORGANIZER as event owner
$event['owner'] = $uid;
}
}
break;
case 'ORGANIZER':
// remember evtl. set PARTSTAT from ORGANIZER, as TB sets it on ORGANIZER not PARTICIPANT!
$organizer_uid = $uid;
$organizer_status = $status;
if (isset($vcardData['participants'][$uid]))
{
$status = $vcardData['participants'][$uid];
calendar_so::split_status($status, $quantity, $role);
$vcardData['participants'][$uid] =
calendar_so::combine_status($status, $quantity, 'CHAIR');
}
if (!$this->calendarOwner && is_numeric($uid))
{
// we can store the ORGANIZER as event owner
$event['owner'] = $uid;
}
else
{
// we must insert a CHAIR participant to keep the ORGANIZER
$event['owner'] = $this->user;
if (!isset($vcardData['participants'][$uid]))
{
// save the ORGANIZER as event CHAIR
$vcardData['participants'][$uid] =
calendar_so::combine_status('D', 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'];
break;
case 'STATUS': // currently no EGroupware event column, but needed as Android uses it to delete single recurrences
$event['status'] = $attributes['value'];
break;
// ignore all PROPS, we dont want to store like X-properties or unsupported props
case 'DTSTAMP':
case 'SEQUENCE':
case 'CREATED':
case 'LAST-MODIFIED':
case 'DTSTART':
case 'DTEND':
case 'DURATION':
case 'X-LIC-ERROR': // parse errors from libical, makes no sense to store them
break;
case 'ATTACH':
if ($attributes['params'] && !empty($attributes['params']['FMTTYPE'])) break; // handeled by managed attachment code
// fall throught to store external attachment url
default: // X- attribute or other by EGroupware unsupported property
//error_log(__METHOD__."() $attributes[name] = ".array2string($attributes));
// for attributes with multiple values in multiple lines, merge the values
if (isset($event['##'.$attributes['name']]))
{
//error_log(__METHOD__."() taskData['##$attribute[name]'] = ".array2string($taskData['##'.$attribute['name']]));
$attributes['values'] = array_merge(
is_array($event['##'.$attributes['name']]) ? $event['##'.$attributes['name']]['values'] : (array)$event['##'.$attributes['name']],
$attributes['values']);
}
$event['##'.$attributes['name']] = $attributes['params'] || count($attributes['values']) > 1 ?
json_encode($attributes) : $attributes['value'];
// check if json_encoded attribute is to big for our table
if (($attributes['params'] || count($attributes['values']) > 1) &&
strlen($event['##'.$attributes['name']]) >
Api\Db::get_column_attribute('cal_extra_value', 'egw_cal_extra', 'calendar', 'precision'))
{
// store content compressed (Outlook/Exchange HTML garbadge is very good compressable)
if (function_exists('gzcompress'))
{
$event['##'.$attributes['name']] = json_encode(array(
'gzcompress' => base64_encode(gzcompress($event['##'.$attributes['name']]))
));
}
// if that's not enough --> unset it, as truncating the json gives nothing
if (strlen($event['##'.$attributes['name']]) >
Api\Db::get_column_attribute('cal_extra_value', 'egw_cal_extra', 'calendar', 'precision'))
{
unset($event['##'.$attributes['name']]);
}
}
break;
}
}
// check if the entry is a birthday
// this field is only set from NOKIA clients
try {
$agendaEntryType = $component->getAttribute('X-EPOCAGENDAENTRYTYPE');
if (strtolower($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';
}
}
catch (Horde_Icalendar_Exception $e) {}
$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':
case 'recur_count':
case 'whole_day':
// 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','recur_count') as $r)
{
if (isset($vcardData[$r]))
{
$event[$r] = $vcardData[$r];
}
}
}
break;
default:
if (isset($vcardData[$fieldName]))
{
$event[$fieldName] = $vcardData[$fieldName];
}
break;
}
}
if ($event['recur_enddate'])
{
// reset recure_enddate to 00:00:00 on the last day
$rriter = calendar_rrule::event2rrule($event, false);
$last = $rriter->normalize_enddate();
if(!is_object($last))
{
if($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__ .
" Unable to determine recurrence end date. \n".array2string($event),3, $this->logfile);
}
return false;
}
$last->setTime(0, 0, 0);
//error_log(__METHOD__."() rrule=$recurence --> ".array2string($rriter)." --> enddate=".array2string($last).'='.Api\DateTime::to($last, ''));
$event['recur_enddate'] = Api\DateTime::to($last, 'server');
}
// translate COUNT into an enddate, as we only store enddates
elseif($event['recur_count'])
{
$rriter = calendar_rrule::event2rrule($event, false);
$last = $rriter->count2date($event['recur_count']);
if(!is_object($last))
{
if($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__,
" Unable to determine recurrence end date. \n".array2string($event),3, $this->logfile);
}
return false;
}
$last->setTime(0, 0, 0);
$event['recur_enddate'] = Api\DateTime::to($last, 'server');
unset($event['recur_count']);
}
// Apple iCal on OS X uses X-CALENDARSERVER-ACCESS: CONFIDENTIAL on VCALANDAR (not VEVENT!)
try {
if ($this->productManufacturer == 'groupdav' && $container &&
($x_calendarserver_access = $container->getAttribute('X-CALENDARSERVER-ACCESS')))
{
$event['public'] = (int)(strtoupper($x_calendarserver_access) == 'PUBLIC');
}
//error_log(__METHOD__."() X-CALENDARSERVER-ACCESS=".array2string($x_calendarserver_access).' --> public='.array2string($event['public']));
}
catch (Horde_Icalendar_Exception $e) {}
// if no end is given in iCal we use the default lenght from user prefs
// whole day events get one day in calendar_boupdate::save()
if (!isset($event['end']))
{
$event['end'] = $event['start'] + 60 * $this->cal_prefs['defaultlength'];
}
if ($this->calendarOwner) $event['owner'] = $this->calendarOwner;
// parsing ATTACH attributes for managed attachments
$event['attach-delete-by-put'] = $component->getAttributeDefault('X-EGROUPWARE-ATTACH-INCLUDED', null) === 'TRUE';
$event['attach'] = $component->getAllAttributes('ATTACH');
if ($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, $charset=null)
{
if (($events = $this->icaltoegw($_vcalData, $charset)))
{
// this function only supports searching a single event
if (count($events) == 1)
{
$filter = $relax ? 'relax' : 'check';
$event = array_shift($events);
$eventId = -1;
if ($this->so->isWholeDay($event)) $event['whole_day'] = true;
if ($contentID)
{
$parts = preg_split('/:/', $contentID);
$event['id'] = $eventId = $parts[0];
}
$event['category'] = $this->find_or_add_categories($event['category'], $eventId);
return $this->find_event($event, $filter);
}
if ($this->log)
{
error_log(__FILE__.'['.__LINE__.'] '.__METHOD__."() found:\n" .
array2string($events)."\n",3,$this->logfile);
}
}
return array();
}
/**
* iCal defines enddate to be a time and eg. Apple sends 1s less then next recurance, if they split events
*
* We need to fix that situation by moving end one day back.
*
* @param array& $vcardData values for keys "start" and "recur_enddate", later get's modified if neccessary
*/
static function check_fix_endate(array &$vcardData)
{
$end = new Api\DateTime($vcardData['recur_enddate']);
$start = new Api\DateTime($vcardData['start']);
$start->setDate($end->format('Y'), $end->format('m'), $end->format('d'));
if ($end->format('ts') < $start->format('ts'))
{
$end->modify('-1day');
$vcardData['recur_enddate'] = $end->format('ts');
//error_log(__METHOD__."($vcardData[event_title]) fix recure_enddate to ".$end->format('Y-m-d H:i:s'));
}
}
/**
* 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
* @param string $charset ='UTF-8' encoding of the vcalendar, default UTF-8
* @param mixed $start =null default now
* @param string $method ='PUBLISH' or eg. 'REPLY'
* @param array $extra =null extra attributes to add
* X-CALENDARSERVER-MASK-UID can be used to not include an event specified by this uid as busy
*/
function freebusy($user,$end=null,$utc=true, $charset='UTF-8', $start=null, $method='PUBLISH', array $extra=null)
{
if (!$start) $start = time(); // default now
if (!$end) $end = time() + 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');
$vcal->setAttribute('METHOD',$method);
$vfreebusy = Horde_Icalendar::newComponent('VFREEBUSY',$vcal);
$attributes = array(
'DTSTAMP' => time(),
'DTSTART' => $this->date2ts($start,true), // true = server-time
'DTEND' => $this->date2ts($end,true), // true = server-time
);
if (!$utc)
{
foreach ($attributes as $attr => $value)
{
$attributes[$attr] = date('Ymd\THis', $value);
}
}
if (is_null($extra)) $extra = array(
'URL' => $this->freebusy_url($user),
'ORGANIZER' => 'mailto:'.$GLOBALS['egw']->accounts->id2name($user,'account_email'),
);
foreach($attributes+$extra as $attr => $value)
{
$vfreebusy->setAttribute($attr, $value);
}
$events = parent::search(array(
'start' => $start,
'end' => $end,
'users' => $user,
'date_format' => 'server',
'show_rejected' => false,
));
if (is_array($events))
{
$fbdata = array();
foreach ($events as $event)
{
if ($event['non_blocking']) continue;
if ($event['uid'] === $extra['X-CALENDARSERVER-MASK-UID']) continue;
$status = $event['participants'][$user];
$quantity = $role = null;
calendar_so::split_status($status, $quantity, $role);
if ($status == 'R' || $role == 'NON-PARTICIPANT') continue;
$fbtype = $status == 'T' ? 'BUSY-TENTATIVE' : 'BUSY';
// hack to fix end-time to be non-inclusive
// all-day events end in our data-model at 23:59:59 (of given TZ)
if (date('is', $event['end']) == '5959') ++$event['end'];
$fbdata[$fbtype][] = $event;
}
foreach($fbdata as $fbtype => $events)
{
foreach($this->aggregate_periods($events, $start, $end) as $event)
{
if ($utc)
{
$vfreebusy->setAttribute('FREEBUSY',array(array(
'start' => $event['start'],
'end' => $event['end'],
)), array('FBTYPE' => $fbtype));
}
else
{
$vfreebusy->setAttribute('FREEBUSY',array(array(
'start' => date('Ymd\THis',$event['start']),
'end' => date('Ymd\THis',$event['end']),
)), array('FBTYPE' => $fbtype));
}
}
}
}
$vcal->addComponent($vfreebusy);
return $vcal->exportvCalendar($charset);
}
/**
* Aggregate multiple, possibly overlapping events cliped by $start and $end
*
* @param array $events array with values for keys "start" and "end"
* @param int $start
* @param int $end
* @return array of array with values for keys "start" and "end"
*/
public function aggregate_periods(array $events, $start, $end)
{
// sort by start datetime
uasort($events, function($a, $b)
{
$diff = $a['start'] - $b['start'];
return $diff == 0 ? 0 : ($diff < 0 ? -1 : 1);
});
$fbdata = array();
foreach($events as $event)
{
error_log(__METHOD__."(..., $start, $end) event[start]=$event[start], event[end]=$event[end], fbdata=".array2string($fbdata));
if ($event['end'] <= $start || $event['start'] >= $end) continue;
if (!$fbdata)
{
$fbdata[] = array(
'start' => $event['start'] < $start ? $start : $event['start'],
'end' => $event['end'],
);
continue;
}
$last =& $fbdata[count($fbdata)-1];
if ($last['end'] >= $event['start'])
{
if ($last['end'] < $event['end'])
{
$last['end'] = $event['end'];
}
}
else
{
$fbdata[] = array(
'start' => $event['start'],
'end' => $event['end'],
);
}
}
$last =& $fbdata[count($fbdata)-1];
if ($last['end'] > $end) $last['end'] = $end;
error_log(__METHOD__."(..., $start, $end) returning ".array2string($fbdata));
return $fbdata;
}
}
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