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egroupware/calendar/inc/class.calendar_ical.inc.php

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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 && $uid == $this->user) continue;
if (!($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 = $event['owner'];
}
// do NOT use ORGANIZER for events without further participants or a different organizer
if (is_array($event['participants']) && (count($event['participants']) > 1 || !isset($event['participants'][$event['owner']])) || $event['owner'] != $this->user)
{
$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' && ($duration = Api\DateTime::to($event['end'], 'ts') - Api\DateTime::to($event['start'], 'ts')) <= 86400)
$attributes['duration'] = $duration;
else
$attributes['DTEND'] = self::getDateTime($event['end'],$tzid,$parameters['DTEND']);
}
else
{
// write start + end of whole day events as dates
if(!is_object($event['end']))
{
$event['end'] = new Api\DateTime($event['end']);
}
$event['end-nextday'] = clone $event['end'];
$event['end-nextday']->add("1 day"); // 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 in UTC, 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
$ex_date = new Api\DateTime($timestamp, Api\DateTime::$server_timezone);
$event['recur_exception'][$key] = self::getDateTime($ex_date->format('ts') + $ex_date->getOffset(), $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) == '##')
{
$attr_name = substr($name, 2);
// Apply prefix to our stuff
if(in_array($attr_name,['videoconference','notify_externals']))
{
$attr_name = 'X-EGROUPWARE-'.$attr_name;
}
// fix certain stock fields like GEO, which are not in EGroupware schema, but Horde Icalendar requires a certain format
switch($name)
{
case '##GEO':
if (!is_array($value))
{
if (strpos($value, ';'))
{
list($lat, $long) = explode(';', $value);
}
else
{
list($long, $lat) = explode(',', $value);
}
$value = ['latitude' => $lat, 'logitude' => $long];
}
break;
}
if ($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;
}
$vevent->setAttribute($attr_name, $attr['value'], $attr['params'], true, $attr['values']);
}
else
{
$vevent->setAttribute($attr_name, $value);
}
}
}
}
if ($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'])
{
$alarmData['time'] = Api\DateTime::to($event['start'], 'ts') - $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,$this->logfile);
}
// hack to fix iCalendar exporting EXDATE always postfixed with a Z
// EXDATE can have multiple values and therefore be folded into multiple lines
return preg_replace_callback("/\nEXDATE;TZID=[^:]+:[0-9TZ \r\n,]+/", function($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 = $master = null;
foreach ($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 => $status)
{
// Work around problems with Outlook CalDAV Synchronizer (https://caldavsynchronizer.org/)
// - always sends all participants back with status NEEDS-ACTION --> resets status of all participant, if user has edit rights
// --> allow only updates with other status then NEEDS-ACTION and therefore allow accepting or denying meeting requests for the user himself
if ($status[0] === 'X' || calendar_groupdav::get_agent() === 'caldavsynchronizer' && $status[0] === 'U')
{
if (isset($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, $role);
}
}
}
}
// unset old X-* attributes stored in custom-fields with exception of our videoconference and notify-externals
foreach ($event_info['stored_event'] as $key => $value)
{
if ($key[0] == '#' && $key[1] == '#' && !isset($event[$key]))
{
$event[$key] = in_array($key, ['##videoconference', '##notify_externals']) ?
$value : '';
}
}
if ($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']] = $status;
}
foreach ($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']) && isset($event['alarm']))
{
switch ($event_info['type'])
{
case 'SINGLE':
case 'SERIES-MASTER':
case 'SERIES-EXCEPTION':
case 'SERIES-EXCEPTION-PROPAGATE':
$this->sync_alarms($event, (array)$event_info['stored_event']['alarm'], $this->user);
if ($event_info['type'] === 'SERIES-MASTER') $master = $event;
break;
case 'SERIES-PSEUDO-EXCEPTION':
// only sync alarms for pseudo exceptions, if we have a master
if (!isset($master) && isset($event_info['master_event'])) $master = $event_info['master_event'];
if ($master) $this->sync_alarms($event, (array)$event_info['stored_event']['alarm'], $this->user, $master);
break;
}
}
if ($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
*
* Currently alarms of pseudo exceptions will always be added to series master (and searched for there too)!
* Alarms are search by uid first, but if no uid match found, we also consider same offset as a match.
*
* @param array& $event
* @param array $old_alarms
* @param int $user account_id of user to create alarm for
* @param array $master =null master for pseudo exceptions
* @return int number of modified alarms
*/
public function sync_alarms(array &$event, array $old_alarms, $user, array &$master=null)
{
if ($this->debug) error_log(__METHOD__."(".array2string($event).', old_alarms='.array2string($old_alarms).", $user, master=".")");
$modified = 0;
foreach($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[$id]);
continue;
}
// alarm with matching uid found --> stop
if (!empty($alarm['uid']) && $alarm['uid'] == $old_alarm['uid'])
{
$found = true;
unset($old_alarms[$id]);
break;
}
// alarm only matching offset, remember first matching one, in case no uid match
if ($alarm['offset'] == $old_alarm['offset'] && $found === false)
{
$found = $id;
}
}
// no uid, but offset match found --> use it like an uid match
if (!is_bool($found))
{
$found = true;
$old_alarm = $old_alarms[$id];
unset($old_alarms[$id]);
}
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($alarm['attrs']['X-LIC-ERROR']);
}
// search not found alarm in master
if ($master && !$found)
{
foreach($master['alarm'] ?? [] as $m_alarm)
{
if ($alarm['offset'] == $m_alarm['offset'] &&
($m_alarm['all'] || $m_alarm['owner'] == $user))
{
if ($this->debug) error_log(__METHOD__."() alarm of pseudo exception already in master --> ignored alarm=".json_encode($alarm).", master=".json_encode($m_alarm));
continue 2;
}
}
}
// alarm not found --> add it (to master as $event['id'] is the one from the master)
if (!$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'] || $master) $alarm['id'] = $this->save_alarm($event['id'] ?? $master['id'], $alarm);
// adding alarm to master to be found for further pseudo exceptions (it will be added to DB below)
if ($master) $master['alarm'][] = $alarm;
++$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']--;
}
// Remove videoconference link appended to description in calendar_groupdav->iCal()
if (class_exists('EGroupware\Status\Videoconference\Call'))
{
$regex = "/^(\r?\n)?(Videoconference|" . lang('Videoconference') . "):\r?\n" . str_replace('/','\/',EGroupware\Status\Videoconference\Call::getMeetingRegex()) ."(\r?\n)*/im";
$event['description'] = preg_replace($regex, '', $event['description']);
}
// 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'] = $matches[1];
}
}
break;
case 'RECURRENCE-ID':
case 'X-RECURRENCE-ID':
if (is_array($attributes['value'])) // whole-day event recurrence-id is returned as array
{
$attributes['value'] = mktime(0, 0, 0,
$attributes['value']['month'], $attributes['value']['mday'], $attributes['value']['year']);
}
$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'], false, $vcardData);
if (!empty($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 = $attributes['value'];
}
// check if we need to replace email domain with something else in participants (mail address migration)
if (!empty($email) && !empty($GLOBALS['egw_info']['server']['calendar_domain_replace']) &&
!empty($GLOBALS['egw_info']['server']['calendar_domain_replace_with']))
{
$email = preg_replace('/@'.preg_quote($GLOBALS['egw_info']['server']['calendar_domain_replace'], '/').'(>|$)/i',
'@'.$GLOBALS['egw_info']['server']['calendar_domain_replace_with'].'$1', $e=$email);
}
// 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;
case 'X-EGROUPWARE-NOTIFY_EXTERNALS':
$event['##notify_externals'] = $attributes['value'];
break;
case 'X-EGROUPWARE-VIDEOCONFERENCE':
$event['##videoconference'] = $attributes['value'];
break;
// ignore all PROPS, we dont want to store like X-properties or unsupported props
case 'DTSTAMP':
case 'SEQUENCE':
case 'CREATED':
case 'LAST-MODIFIED':
case 'DTSTART':
case 'DTEND':
case 'DURATION':
case 'X-LIC-ERROR': // parse errors from libical, makes no sense to store them
break;
case 'ATTACH':
if ($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']]) >
$GLOBALS['egw']->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']]) >
$GLOBALS['egw']->db->get_column_attribute('cal_extra_value', 'egw_cal_extra', 'calendar', 'precision'))
{
unset($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 $event;
}
function iCalSearch($_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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