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egroupware_official/calendar/inc/class.calendar_groupdav.inc.php

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<?php
/**
* eGroupWare: GroupDAV access: calendar handler
*
* @link http://www.egroupware.org
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package calendar
* @subpackage groupdav
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @copyright (c) 2007-9 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @version $Id$
*/
/**
* eGroupWare: GroupDAV access: calendar handler
*/
class calendar_groupdav extends groupdav_handler
{
/**
* bo class of the application
*
* @var calendar_boupdate
*/
var $bo;
var $filter_prop2cal = array(
'SUMMARY' => 'cal_title',
'UID' => 'cal_uid',
'DTSTART' => 'cal_start',
'DTEND' => 'cal_end',
// 'DURATION'
//'RRULE' => 'recur_type',
//'RDATE' => 'cal_start',
//'EXRULE'
//'EXDATE'
//'RECURRENCE-ID'
);
/**
* Does client understand exceptions to be included in VCALENDAR component of series master sharing its UID
*
* That also means no EXDATE for these exceptions!
*
* Setting it to false, should give the old behavior used in 1.6 (hopefully) no client needs that.
*
* @var boolean
*/
var $client_shared_uid_exceptions = true;
/**
* Are we using id or uid for the path/url
*/
const PATH_ATTRIBUTE = 'id';
/**
* Constructor
*
* @param string $app 'calendar', 'addressbook' or 'infolog'
* @param int $debug=null debug-level to set
* @param string $base_uri=null base url of handler
* @param string $principalURL=null principal url of handler
*/
function __construct($app,$debug=null, $base_uri=null, $principalURL=null)
{
parent::__construct($app,$debug,$base_uri,$principalURL);
$this->bo = new calendar_boupdate();
}
/**
* Create the path for an event
*
* @param array|int $event
* @return string
*/
function get_path($event)
{
if (is_numeric($event) && self::PATH_ATTRIBUTE == 'id')
{
$name = $event;
}
else
{
if (!is_array($event)) $event = $this->bo->read($event);
$name = $event[self::PATH_ATTRIBUTE];
}
return $name.'.ics';
}
/**
* Handle propfind in the calendar folder
*
* @param string $path
* @param array $options
* @param array &$files
* @param int $user account_id
* @param string $id=''
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
*/
function propfind($path,$options,&$files,$user,$id='')
{
if ($this->debug)
{
error_log(__METHOD__."($path,".array2string($options).",,$user,$id)");
}
// ToDo: add parameter to only return id & etag
$filter = array(
'users' => $user,
'start' => time()-100*24*3600, // default one month back -30 breaks all sync recurrences
'end' => time()+365*24*3600, // default one year into the future +365
'enum_recuring' => false,
'daywise' => false,
'date_format' => 'server',
);
if ($path == '/calendar/')
{
$filter['filter'] = 'owner';
}
else
{
$filter['filter'] = 'default'; // not rejected
}
// process REPORT filters or multiget href's
if (($id || $options['root']['name'] != 'propfind') && !$this->_report_filters($options,$filter,$id))
{
return false;
}
if ($this->debug > 1)
{
error_log(__METHOD__."($path,,,$user,$id) filter=".
array2string($filter));
}
// check if we have to return the full calendar data or just the etag's
if (!($filter['calendar_data'] = $options['props'] == 'all' &&
$options['root']['ns'] == groupdav::CALDAV) && is_array($options['props']))
{
foreach($options['props'] as $prop)
{
if ($prop['name'] == 'calendar-data')
{
$filter['calendar_data'] = true;
break;
}
}
}
/* disabling not working iterator
// return iterator, calling ourself to return result in chunks
$files['files'] = new groupdav_propfind_iterator($this,$path,$filter,$files['files']);
return true;
}
*/
/**
* Callback for profind interator
*
* @param string $path
* @param array $filter
* @param array|boolean $start=false false=return all or array(start,num)
* @return array with "files" array with values for keys path and props
*/
/* disabling not working iterator
function propfind_callback($path,array $filter,$start=false)
{
if ($this->debug) $starttime = microtime(true);
*/
$calendar_data = $filter['calendar_data'];
unset($filter['calendar_data']);
/* disabling not working iterator
$files = array();
if (is_array($start))
{
$filter['offset'] = $start[0];
$filter['num_rows'] = $start[1];
}
error_log(__METHOD__."($path,,".array2string($start).") filter=".array2string($filter));
*/
$events =& $this->bo->search($filter);
if ($events)
{
// get all max user modified times at once
foreach($events as $k => $event)
{
if ($this->client_shared_uid_exceptions &&
$event['reference'] &&
($master = $this->bo->read($event['reference'], 0, false, 'server')) &&
array_search($event['recurrence'], $master['recur_exception']) !== false)
{
// this exception will be handled with the series master
unset($events[$k]);
continue;
}
$ids[] = $event['id'];
}
$max_user_modified = $this->bo->so->max_user_modified($ids);
foreach($events as $event)
{
$event['max_user_modified'] = $max_user_modified[$event['id']];
//header('X-EGROUPWARE-EVENT-'.$event['id'].': '.$event['title'].': '.date('Y-m-d H:i:s',$event['start']).' - '.date('Y-m-d H:i:s',$event['end']));
$props = array(
HTTP_WebDAV_Server::mkprop('getetag',$this->get_etag($event)),
HTTP_WebDAV_Server::mkprop('getcontenttype', $this->agent != 'kde' ?
'text/calendar; charset=utf-8; component=VEVENT' : 'text/calendar'),
// getlastmodified and getcontentlength are required by WebDAV and Cadaver eg. reports 404 Not found if not set
HTTP_WebDAV_Server::mkprop('getlastmodified', $event['modified']),
HTTP_WebDAV_Server::mkprop('resourcetype',''), // DAVKit requires that attribute!
);
//error_log(__FILE__ . __METHOD__ . "Calendar Data : $calendar_data");
if ($calendar_data)
{
$content = $this->iCal($event);
$props[] = HTTP_WebDAV_Server::mkprop('getcontentlength',bytes($content));
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-data',$content);
}
else
{
$props[] = HTTP_WebDAV_Server::mkprop('getcontentlength', ''); // expensive to calculate and no CalDAV client uses it
}
/* disabling not working iterator
$files[] = array(
*/
$files['files'][] = array(
'path' => $path.$this->get_path($event),
'props' => $props,
);
}
}
if ($this->debug)
{
error_log(__METHOD__."($path) took ".(microtime(true) - $starttime).
' to return '.count($files).' items');
}
/* disabling not working iterator
return $files;
*/
return true;
}
/**
* Process the filters from the CalDAV REPORT request
*
* @param array $options
* @param array &$cal_filters
* @param string $id
* @return boolean true if filter could be processed, false for requesting not here supported VTODO items
*/
function _report_filters($options,&$cal_filters,$id)
{
if ($options['filters'])
{
// unset default start & end
$cal_start = $cal_filters['start']; unset($cal_filters['start']);
$cal_end = $cal_filters['end']; unset($cal_filters['end']);
$num_filters = count($cal_filters);
foreach($options['filters'] as $filter)
{
switch($filter['name'])
{
case 'comp-filter':
if ($this->debug > 1) error_log(__METHOD__."($options[path],...) comp-filter='{$filter['attrs']['name']}'");
switch($filter['attrs']['name'])
{
case 'VTODO':
return false; // return nothing for now, todo: check if we can pass it on to the infolog handler
// todos are handled by the infolog handler
//$infolog_handler = new groupdav_infolog();
//return $infolog_handler->propfind($options['path'],$options,$options['files'],$user,$method);
case 'VCALENDAR':
case 'VEVENT':
break; // that's our default anyway
}
break;
case 'prop-filter':
if ($this->debug > 1) error_log(__METHOD__."($options[path],...) prop-filter='{$filter['attrs']['name']}'");
$prop_filter = $filter['attrs']['name'];
break;
case 'text-match':
if ($this->debug > 1) error_log(__METHOD__."($options[path],...) text-match: $prop_filter='{$filter['data']}'");
if (!isset($this->filter_prop2cal[strtoupper($prop_filter)]))
{
if ($this->debug) error_log(__METHOD__."($options[path],".array2string($options).",...) unknown property '$prop_filter' --> ignored");
}
else
{
$cal_filters['query'][$this->filter_prop2cal[strtoupper($prop_filter)]] = $filter['data'];
}
unset($prop_filter);
break;
case 'param-filter':
if ($this->debug) error_log(__METHOD__."($options[path],...) param-filter='{$filter['attrs']['name']}' not (yet) implemented!");
break;
case 'time-range':
if ($this->debug > 1) error_log(__FILE__ . __METHOD__."($options[path],...) time-range={$filter['attrs']['start']}-{$filter['attrs']['end']}");
$cal_filters['start'] = $filter['attrs']['start'];
$cal_filters['end'] = $filter['attrs']['end'];
break;
default:
if ($this->debug) error_log(__METHOD__."($options[path],".array2string($options).",...) unknown filter --> ignored");
break;
}
}
if (count($cal_filters) == $num_filters) // no filters set --> restore default start and end time
{
$cal_filters['start'] = $cal_start;
$cal_filters['end'] = $cal_end;
}
}
// multiget or propfind on a given id
//error_log(__FILE__ . __METHOD__ . "multiget of propfind:");
if ($options['root']['name'] == 'calendar-multiget' || $id)
{
// no standard time-range!
unset($cal_filters['start']);
unset($cal_filters['end']);
$ids = array();
if ($id)
{
if (is_numeric($id))
{
$ids[] = (int)$id;
}
else
{
$cal_filters['query']['cal_uid'] = basename($id,'.ics');
}
}
else // fetch all given url's
{
foreach($options['other'] as $option)
{
if ($option['name'] == 'href')
{
$parts = explode('/',$option['data']);
if (is_numeric($id = basename(array_pop($parts),'.ics'))) $ids[] = $id;
}
}
}
if ($ids)
{
$cal_filters['query'][] = 'egw_cal.cal_id IN ('.implode(',',array_map(create_function('$n','return (int)$n;'),$ids)).')';
}
if ($this->debug > 1) error_log(__FILE__ . __METHOD__ ."($options[path],...,$id) calendar-multiget: ids=".implode(',',$ids));
}
return true;
}
/**
* Handle get request for an event
*
* @param array &$options
* @param int $id
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
*/
function get(&$options,$id)
{
if (!is_array($event = $this->_common_get_put_delete('GET',$options,$id)))
{
return $event;
}
$options['data'] = $this->iCal($event);
$options['mimetype'] = 'text/calendar; charset=utf-8';
header('Content-Encoding: identity');
header('ETag: '.$this->get_etag($event));
return true;
}
/**
* Generate an iCal for the given event
*
* Taking into account virtual an real exceptions for recuring events
*
* @param array $event
* @return string
*/
private function iCal(array $event)
{
static $handler = null;
if (is_null($handler)) $handler = $this->_get_handler();
$events = array($event);
// for recuring events we have to add the exceptions
if ($this->client_shared_uid_exceptions && $event['recur_type'] && !empty($event['uid']))
{
$events =& self::get_series($event['uid'],$this->bo);
}
elseif(!$this->client_shared_uid_exceptions && $event['reference'])
{
$events[0]['uid'] .= '-'.$event['id']; // force a different uid
}
return $handler->exportVCal($events,'2.0','PUBLISH');
}
/**
* Get array with events of a series identified by its UID (master and all exceptions)
*
* Maybe that should be part of calendar_bo
*
* @param string $uid UID
* @param calendar_bo $bo=null calendar_bo object to reuse for search call
* @return array
*/
private static function &get_series($uid,calendar_bo $bo=null)
{
if (is_null($bo)) $bo = new calendar_bopdate();
if (!($masterId = array_shift($bo->find_event(array('uid' => $uid), 'master')))
|| !($master = $bo->read($masterId, 0, false, 'server')))
{
return array(); // should never happen
}
$exceptions = $master['recur_exception'];
$events =& $bo->search(array(
'query' => array('cal_uid' => $uid),
'filter' => 'owner', // return all possible entries
'daywise' => false,
'date_format' => 'server',
));
$events = array_merge(array($master), $events);
foreach($events as $k => &$recurrence)
{
//error_log(__FILE__.'['.__LINE__.'] '.__METHOD__.
// "($uid)[$k]:" . array2string($recurrence));
if (!$k) continue; // nothing to change
if ($recurrence['id'] != $master['id']) // real exception
{
//error_log('real exception: '.array2string($recurrence));
// remove from masters recur_exception, as exception is include
// at least Lightning "understands" EXDATE as exception from what's included
// in the whole resource / VCALENDAR component
// not removing it causes Lightning to remove the exception itself
if (($e = array_search($recurrence['recurrence'],$exceptions)) !== false)
{
unset($exceptions[$e]);
}
continue; // nothing to change
}
// now we need to check if this recurrence is an exception
if ($master['participants'] == $recurrence['participants'])
{
//error_log('NO exception: '.array2string($recurrence));
unset($events[$k]); // no exception --> remove it
continue;
}
// this is a virtual exception now (no extra event/cal_id in DB)
//error_log('virtual exception: '.array2string($recurrence));
$recurrence['recurrence'] = $recurrence['start'];
$recurrence['reference'] = $master['id'];
$recurrence['recur_type'] = MCAL_RECUR_NONE; // is set, as this is a copy of the master
// not for included exceptions (Lightning): $master['recur_exception'][] = $recurrence['start'];
}
$events[0]['recur_exception'] = $exceptions;
return $events;
}
/**
* Handle put request for an event
*
* @param array &$options
* @param int $id
* @param int $user=null account_id of owner, default null
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
*/
function put(&$options,$id,$user=null)
{
if ($this->debug) error_log(__METHOD__."($id, $user)".print_r($options,true));
$return_no_access = true; // as handled by importVCal anyway and allows it to set the status for participants
$oldEvent = $this->_common_get_put_delete('PUT',$options,$id,$return_no_access);
if (!is_null($oldEvent) && !is_array($oldEvent))
{
if ($this->debug) error_log(__METHOD__.print_r($oldEvent,true).function_backtrace());
return $oldEvent;
}
if (is_null($oldEvent) && !$this->bo->check_perms(EGW_ACL_ADD, 0, $user))
{
// we have no add permission on this user's calendar
if ($this->debug) error_log(__METHOD__."(,$user) we have not enough rights on this calendar");
return '403 Forbidden';
}
$handler = $this->_get_handler();
$vCalendar = htmlspecialchars_decode($options['content']);
if (is_array($oldEvent))
{
$eventId = $oldEvent['id'];
if ($return_no_access)
{
$retval = true;
}
else
{
// let lightning think the event is added
$retval = '201 Created';
}
}
else
{
// new entry?
if (($foundEvents = $handler->search($vCalendar)))
{
if (($eventId = array_shift($foundEvents)) &&
(list($eventId) = explode(':', $eventId)) &&
($oldEvent = $this->bo->read($eventId)))
{
$retval = '301 Moved Permanently';
}
else
{
// to be safe
$eventId = -1;
$retval = '201 Created';
}
}
else
{
// new entry
$eventId = -1;
$retval = '201 Created';
}
}
if (!($cal_id = $handler->importVCal($vCalendar, $eventId,
self::etag2value($this->http_if_match), false, 0, $this->principalURL, $user)))
{
if ($this->debug) error_log(__METHOD__."(,$id) importVCal($options[content]) returned false");
if ($eventId && $cal_id === false)
{
// ignore import failures
$cal_id = $eventId;
$retval = true;
}
else
{
return '403 Forbidden';
}
}
header('ETag: '.$this->get_etag($cal_id));
if ($retval !== true)
{
$path = preg_replace('|(.*)/[^/]*|', '\1/', $options['path']);
if ($this->debug) error_log(__METHOD__."(,$id,$user) cal_id=$cal_id: $retval");
header('Location: '.$this->base_uri.$path.$this->get_path($cal_id));
return $retval;
}
return true;
}
/**
* Handle post request for a schedule entry
*
* @param array &$options
* @param int $id
* @param int $user=null account_id of owner, default null
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
*/
function post(&$options,$id,$user=null)
{
return true;
}
/**
* Fix event series with exceptions, called by calendar_ical::importVCal():
* a) only series master = first event got cal_id from URL
* b) exceptions need to be checked if they are already in DB or new
* c) recurrence-id of (real not virtual) exceptions need to be re-added to master
*
* @param array &$events
*/
static function fix_series(array &$events)
{
//foreach($events as $n => $event) error_log(__METHOD__." $n before: ".array2string($event));
//$master =& $events[0];
$bo = new calendar_boupdate();
// get array with orginal recurrences indexed by recurrence-id
$org_recurrences = $exceptions = array();
foreach(self::get_series($events[0]['uid'],$bo) as $k => $event)
{
if (!$k) $master = $event;
if ($event['recurrence'])
{
$org_recurrences[$event['recurrence']] = $event;
}
}
// assign cal_id's to already existing recurrences and evtl. re-add recur_exception to master
foreach($events as $k => &$recurrence)
{
if (!$recurrence['recurrence'])
{
// master
$recurrence['id'] = $master['id'];
$master =& $events[$k];
continue;
}
// from now on we deal with exceptions
$org_recurrence = $org_recurrences[$recurrence['recurrence']];
if (isset($org_recurrence)) // already existing recurrence
{
//error_log(__METHOD__.'() setting id #'.$org_recurrence['id']).' for '.$recurrence['recurrence'].' = '.date('Y-m-d H:i:s',$recurrence['recurrence']);
$recurrence['id'] = $org_recurrence['id'];
// re-add (non-virtual) exceptions to master's recur_exception
if ($recurrence['id'] != $master['id'])
{
//error_log(__METHOD__.'() re-adding recur_exception '.$recurrence['recurrence'].' = '.date('Y-m-d H:i:s',$recurrence['recurrence']));
$exceptions[] = $recurrence['recurrence'];
}
// remove recurrence to be able to detect deleted exceptions
unset($org_recurrences[$recurrence['recurrence']]);
}
}
$master['recur_exception'] = array_merge($exceptions, $master['recur_exception']);
// delete not longer existing recurrences
foreach($org_recurrences as $org_recurrence)
{
if ($org_recurrence['id'] != $master['id']) // non-virtual recurrence
{
//error_log(__METHOD__.'() deleting #'.$org_recurrence['id']);
$bo->delete($org_recurrence['id']); // might fail because of permissions
}
else // virtual recurrence
{
//error_log(__METHOD__.'() delete virtual exception '.$org_recurrence['recurrence'].' = '.date('Y-m-d H:i:s',$org_recurrence['recurrence']));
$bo->update_status($master, $org_recurrence, $org_recurrence['recurrence']);
}
}
//foreach($events as $n => $event) error_log(__METHOD__." $n after: ".array2string($event));
}
/**
* Handle delete request for an event
*
* If current user has no right to delete the event, but is an attendee, we reject the event for him.
*
* @todo remove (non-virtual) exceptions, if series master gets deleted
* @param array &$options
* @param int $id
* @return mixed boolean true on success, false on failure or string with http status (eg. '404 Not Found')
*/
function delete(&$options,$id)
{
$return_no_access = true; // to allow to check if current use is a participant and reject the event for him
if (!is_array($event = $this->_common_get_put_delete('DELETE',$options,$id,$return_no_access)) || !$return_no_access)
{
if (!$return_no_access)
{
$ret = isset($event['participants'][$this->bo->user]) &&
$this->bo->set_status($event,$this->bo->user,'R') ? true : '403 Forbidden';
if ($this->debug) error_log(__METHOD__."(,$id) return_no_access=$return_no_access, event[participants]=".array2string($event['participants']).", user={$this->bo->user} --> return $ret");
return $ret;
}
return $event;
}
return $this->bo->delete($id);
}
/**
* Read an entry
*
* @param string/id $id
* @return array/boolean array with entry, false if no read rights, null if $id does not exist
*/
function read($id)
{
if ($this->debug > 1) error_log("bo-ical read :$id:");
$event = $this->bo->read($id, null, true, 'server');
if (!($retval = $this->bo->check_perms(EGW_ACL_FREEBUSY, $event, 0, 'server'))) return $retval;
if (!$this->bo->check_perms(EGW_ACL_READ, $event, 0, 'server'))
{
$this->bo->clear_private_infos($event, array($this->bo->user, $event['owner']));
}
return $event;
}
/**
* Query ctag for calendar
*
* @return string
*/
public function getctag($path,$user)
{
if ($this->debug > 1) error_log(__FILE__.'['.__LINE__.'] '.__METHOD__. "($path)[$user]");
$filter = array(
'users' => $user,
'start' => time()-100*24*3600, // default one month back -30 breaks all sync recurrences
'end' => time()+365*24*3600, // default one year into the future +365
'enum_recuring' => false,
'daywise' => false,
'date_format' => 'server',
'order' => 'cal_modified DESC,cal_etag DESC',
'offset' => 0,
'num_rows' => 1,
);
if (strpos($path, '/calendar') === 0)
{
$filter['filter'] = 'owner';
}
else
{
$filter['filter'] = 'default'; // not rejected
}
$result =& $this->bo->search($filter);
$entry = array_shift($result);
return $this->get_etag($entry);
}
/**
* Get the etag for an entry, reimplemented to include the participants and stati in the etag
*
* @param array/int $event array with event or cal_id
* @return string/boolean string with etag or false
*/
function get_etag($entry)
{
if (!is_array($entry))
{
if (!$this->bo->check_perms(EGW_ACL_FREEBUSY, $entry, 0, 'server')) return false;
$entry = $this->read($entry, null, true, 'server');
}
$etag = $entry['id'].':'.$entry['etag'];
// use new MAX(modification date) of egw_cal_user table (deals with virtual exceptions too)
if (isset($entry['max_user_modified']))
{
$modified = max($entry['max_user_modified'], $entry['modified']);
}
else
{
$modified = max($this->bo->so->max_user_modified($entry['id']), $entry['modified']);
}
$etag .= ':' . $modified;
// include exception etags into our own etag, if exceptions are included
if ($this->client_shared_uid_exceptions && !empty($entry['uid']) &&
$entry['recur_type'] != MCAL_RECUR_NONE && $entry['recur_exception'])
{
$events =& $this->bo->search(array(
'query' => array('cal_uid' => $entry['uid']),
'filter' => 'owner', // return all possible entries
'daywise' => false,
'enum_recuring' => false,
'date_format' => 'server',
));
foreach($events as $k => &$recurrence)
{
if ($recurrence['reference']) // ignore series master
{
$etag .= ':'.substr($this->get_etag($recurrence),4,-4);
}
}
}
//error_log(__METHOD__ . "($entry[id] ($entry[etag]): $entry[title] --> etag=$etag");
return 'EGw-'.$etag.'-wGE';
}
/**
* Check if user has the neccessary rights on an event
*
* @param int $acl EGW_ACL_READ, EGW_ACL_EDIT or EGW_ACL_DELETE
* @param array/int $event event-array or id
* @return boolean null if entry does not exist, false if no access, true if access permitted
*/
function check_access($acl,$event)
{
if ($acl == EGW_ACL_READ)
{
// we need at least EGW_ACL_FREEBUSY to get some information
$acl = EGW_ACL_FREEBUSY;
}
return $this->bo->check_perms($acl,$event,0,'server');
}
/**
* Add the privileges of the current user
*
* @param array $props=array() regular props by the groupdav handler
* @return array
*/
static function current_user_privilege_set(array $props=array())
{
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::DAV,'current-user-privilege-set',
array(HTTP_WebDAV_Server::mkprop(groupdav::DAV,'privilege',
array(
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'read',''),
HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'read-free-busy',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'read-current-user-privilege-set',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'bind',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'unbind',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-post',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-post-vevent',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-respond',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-respond-vevent',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-deliver',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'schedule-deliver-vevent',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'write',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'write-properties',''),
HTTP_WebDAV_Server::mkprop(groupdav::DAV,'write-content',''),
))));
return $props;
}
/**
* Add extra properties for calendar collections
*
* @param array $props=array() regular props by the groupdav handler
* @param string $displayname
* @param string $base_uri=null base url of handler
* @return array
*/
static function extra_properties(array $props=array(), $displayname, $base_uri=null)
{
// calendar description
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-description',$displayname);
/*
// BOX URLs of the current user
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'schedule-inbox-URL',
array(HTTP_WebDAV_Server::mkprop(self::DAV,'href',$base_uri.'/calendar/')));
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'schedule-outbox-URL',
array(HTTP_WebDAV_Server::mkprop(groupdav::DAV,'href',$base_uri.'/calendar/')));
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'schedule-default-calendar-URL',
array(HTTP_WebDAV_Server::mkprop(groupdav::DAV,'href',$base_uri.'/calendar/')));
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'dropbox-home-URL',
array(HTTP_WebDAV_Server::mkprop(groupdav::DAV,'href',$base_uri.'/calendar/')));
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALENDARSERVER,'notifications-URL',
array(HTTP_WebDAV_Server::mkprop(groupdav::DAV,'href',$base_uri.'/calendar/')));
*/
// email of the current user, see caldav-sheduling draft
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-user-address-set',array(
HTTP_WebDAV_Server::mkprop('href','MAILTO:'.$GLOBALS['egw_info']['user']['email'])));
// supported components, currently only VEVENT
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'supported-calendar-component-set',array(
HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'comp',array('name' => 'VCALENDAR')),
HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'comp',array('name' => 'VTIMEZONE')),
HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'comp',array('name' => 'VEVENT')),
// HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'comp',array('name' => 'VTODO')), // not yet supported
));
$props[] = HTTP_WebDAV_Server::mkprop('supported-report-set',array(
HTTP_WebDAV_Server::mkprop('supported-report',array(
HTTP_WebDAV_Server::mkprop('report',
HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-multiget',''))))));
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'supported-calendar-data',array(
HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-data', array('content-type' => 'text/calendar', 'version'=> '2.0')),
HTTP_WebDAV_Server::mkprop(groupdav::CALDAV,'calendar-data', array('content-type' => 'text/x-calendar', 'version'=> '1.0'))));
$props[] = HTTP_WebDAV_Server::mkprop(groupdav::ICAL,'calendar-color','#0040A0FF'); // TODO: make it configurable
//$props = self::current_user_privilege_set($props);
return $props;
}
/**
* Get the handler and set the supported fields
*
* @return calendar_ical
*/
private function _get_handler()
{
$handler = new calendar_ical();
$handler->setSupportedFields('GroupDAV',$this->agent);
if ($this->debug > 1) error_log("ical Handler called:" . $this->agent);
return $handler;
}
}
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