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caldav-PUT-functions.php
<?php
require_once('AwlCache.php');
require_once('vComponent.php');
require_once('vCalendar.php');
require_once('WritableCollection.php');
require_once('schedule-functions.php');
include_once('iSchedule.php');
include_once('RRule.php');
$bad_events = null;
$GLOBALS['tz_regex'] = ':^(Africa|America|Antarctica|Arctic|Asia|Atlantic|Australia|Brazil|Canada|Chile|Etc|Europe|Indian|Mexico|Mideast|Pacific|US)/[a-z_]+$:i';
function rollback_on_error( $caldav_context, $user_no, $path, $message='', $error_no=500 ) {
global $c, $bad_events;
if ( !$message ) $message = translate('Database error');
$qry = new AwlQuery();
if ( $qry->TransactionState() != 0 ) $qry->Rollback();
if ( $caldav_context ) {
if ( isset($bad_events) && isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) {
$bad_events[] = $message;
}
else {
global $request;
$request->DoResponse( $error_no, $message );
}
// and we don't return from that, ever...
}
$c->messages[] = sprintf(translate('Status: %d, Message: %s, User: %d, Path: %s'), $error_no, $message, $user_no, $path);
}
function controlRequestContainer( $username, $user_no, $path, $caldav_context, $public = null ) {
global $c, $request, $bad_events;
// Check to see if the path is like /foo /foo/bar or /foo/bar/baz etc. (not ending with a '/', but contains at least one)
if ( preg_match( '#^(.*/)([^/]+)$#', $path, $matches ) ) {//(
$request_container = $matches[1]; // get everything up to the last '/'
}
else {
// In this case we must have a URL with a trailing '/', so it must be a collection.
$request_container = $path;
}
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) {
$bad_events = array();
}
if ( $request_container == "/$username/" ) {
dbg_error_log( 'WARN', ' Storing events directly in user\'s base folders is not recommended!');
}
else {
$sql = 'SELECT * FROM collection WHERE dav_name = :dav_name';
$qry = new AwlQuery( $sql, array( ':dav_name' => $request_container) );
if ( ! $qry->Exec('PUT',__LINE__,__FILE__) ) {
rollback_on_error( $caldav_context, $user_no, $path, 'Database error in: '.$sql );
}
if ( !isset($c->readonly_webdav_collections) || $c->readonly_webdav_collections == true ) {
if ( $qry->rows() == 0 ) {
$request->DoResponse( 405 ); // Method not allowed
}
return;
}
if ( $qry->rows() == 0 ) {
if ( $public == true ) $public = 't'; else $public = 'f';
if ( preg_match( '{^(.*/)([^/]+)/$}', $request_container, $matches ) ) {
$parent_container = $matches[1];
$displayname = $matches[2];
}
$sql = 'INSERT INTO collection ( user_no, parent_container, dav_name, dav_etag, dav_displayname, is_calendar, created, modified, publicly_readable, resourcetypes )
VALUES( :user_no, :parent_container, :dav_name, :dav_etag, :dav_displayname, TRUE, current_timestamp, current_timestamp, :is_public::boolean, :resourcetypes )';
$params = array(
':user_no' => $user_no,
':parent_container' => $parent_container,
':dav_name' => $request_container,
':dav_etag' => md5($user_no. $request_container),
':dav_displayname' => $displayname,
':is_public' => $public,
':resourcetypes' => '<DAV::collection/><urn:ietf:params:xml:ns:caldav:calendar/>'
);
$qry->QDo( $sql, $params );
}
else if ( isset($public) ) {
$collection = $qry->Fetch();
if ( empty($collection->is_public) ) $collection->is_public = 'f';
if ( $collection->is_public == ($public?'t':'f') ) {
$sql = 'UPDATE collection SET publicly_readable = :is_public::boolean WHERE collection_id = :collection_id';
$params = array( ':is_public' => ($public?'t':'f'), ':collection_id' => $collection->collection_id );
if ( ! $qry->QDo($sql,$params) ) {
rollback_on_error( $caldav_context, $user_no, $path, 'Database error in: '.$sql );
}
}
}
}
}
function public_events_only( $user_no, $dav_name ) {
global $c;
$sql = 'SELECT public_events_only FROM collection WHERE dav_name = :dav_name';
$qry = new AwlQuery($sql, array(':dav_name' => $dav_name) );
if( $qry->Exec('PUT',__LINE__,__FILE__) && $qry->rows() == 1 ) {
$collection = $qry->Fetch();
if ($collection->public_events_only == 't') {
return true;
}
}
// Something went wrong, must be false.
return false;
}
function GetTZID( vComponent $comp ) {
$p = $comp->GetProperty('DTSTART');
if ( !isset($p) && $comp->GetType() == 'VTODO' ) {
$p = $comp->GetProperty('DUE');
}
if ( !isset($p) ) return null;
return $p->GetParameterValue('TZID');
}
function handle_schedule_request( $ical ) {
global $c, $session, $request;
$resources = $ical->GetComponents('VTIMEZONE',false);
$ic = $resources[0];
$etag = md5 ( $request->raw_post );
$reply = new XMLDocument( array("DAV:" => "", "urn:ietf:params:xml:ns:caldav" => "C" ) );
$responses = array();
$attendees = $ic->GetProperties('ATTENDEE');
$wr_attendees = $ic->GetProperties('X-WR-ATTENDEE');
if ( count ( $wr_attendees ) > 0 ) {
dbg_error_log( "PUT", "Non-compliant iCal request. Using X-WR-ATTENDEE property" );
foreach( $wr_attendees AS $k => $v ) {
$attendees[] = $v;
}
}
dbg_error_log( "PUT", "Attempting to deliver scheduling request for %d attendees", count($attendees) );
foreach( $attendees AS $k => $attendee ) {
$attendee_email = preg_replace( '/^mailto:/', '', $attendee->Value() );
if ( $attendee_email == $request->principal->email() ) {
dbg_error_log( "PUT", "not delivering to owner" );
continue;
}
$schedule_status = $attendee->GetParameterValue ( 'SCHEDULE-STATUS' );
if ( $attendee->GetParameterValue ( 'PARTSTAT' ) != 'NEEDS-ACTION' || (isset($schedule_status) && preg_match ( '/^[35]\.[3-9]/', $schedule_status ) ) ) {
dbg_error_log( "PUT", "attendee %s does not need action", $attendee_email );
continue;
}
if ( isset($c->enable_auto_schedule) && !$c->enable_auto_schedule ) {
// In this case we're being asked not to do auto-scheduling, so we build
// a response back for the client saying we can't...
$attendee->SetParameterValue ('SCHEDULE-STATUS','5.3;No scheduling support for user');
continue;
}
dbg_error_log( "PUT", "Delivering to %s", $attendee_email );
$attendee_principal = new DAVPrincipal ( array ('email'=>$attendee_email, 'options'=> array ( 'allow_by_email' => true ) ) );
if ( ! $attendee_principal->Exists() ){
$attendee->SetParameterValue ('SCHEDULE-STATUS','5.3;No scheduling support for user');
continue;
}
$deliver_path = $attendee_principal->internal_url('schedule-inbox');
$ar = new DAVResource($deliver_path);
$priv = $ar->HavePrivilegeTo('schedule-deliver-invite' );
if ( ! $ar->HavePrivilegeTo('schedule-deliver-invite' ) ){
$reply = new XMLDocument( array('DAV:' => '') );
$privnodes = array( $reply->href($attendee_principal->url('schedule-inbox')), new XMLElement( 'privilege' ) );
// RFC3744 specifies that we can only respond with one needed privilege, so we pick the first.
$reply->NSElement( $privnodes[1], 'schedule-deliver-invite' );
$xml = new XMLElement( 'need-privileges', new XMLElement( 'resource', $privnodes) );
$xmldoc = $reply->Render('error',$xml);
$request->DoResponse( 403, $xmldoc, 'text/xml; charset="utf-8"');
}
$attendee->SetParameterValue ('SCHEDULE-STATUS','1.2;Scheduling message has been delivered');
$ncal = new vCalendar( array('METHOD' => 'REQUEST') );
$ncal->AddComponent( array_merge( $ical->GetComponents('VEVENT',false), array($ic) ));
$content = $ncal->Render();
$cid = $ar->GetProperty('collection_id');
dbg_error_log('DELIVER', 'to user: %s, to path: %s, collection: %s, from user: %s, caldata %s', $attendee_principal->user_no(), $deliver_path, $cid, $request->user_no, $content );
$item_etag = md5($content);
write_resource( new DAVResource($deliver_path . $etag . '.ics'), $content, $ar, $request->user_no, $item_etag,
$put_action_type='INSERT', $caldav_context=true, $log_action=true, $etag );
$attendee->SetParameterValue ('SCHEDULE-STATUS','1.2;Scheduling message has been delivered');
}
// don't write an entry in the out box, ical doesn't delete it or ever read it again
$ncal = new vCalendar(array('METHOD' => 'REQUEST'));
$ncal->AddComponent ( array_merge ( $ical->GetComponents('VEVENT',false) , array ($ic) ));
$content = $ncal->Render();
$deliver_path = $request->principal->internal_url('schedule-inbox');
$ar = new DAVResource($deliver_path);
$item_etag = md5($content);
write_resource( new DAVResource($deliver_path . $etag . '.ics'), $content, $ar, $request->user_no, $item_etag,
$put_action_type='INSERT', $caldav_context=true, $log_action=true, $etag );
//$etag = md5($content);
header('ETag: "'. $etag . '"' );
header('Schedule-Tag: "'.$etag . '"' );
$request->DoResponse( 201, 'Created' );
}
function handle_schedule_reply ( vCalendar $ical ) {
global $c, $session, $request;
$resources = $ical->GetComponents('VTIMEZONE',false);
$ic = $resources[0];
$etag = md5 ( $request->raw_post );
$organizer = $ical->GetOrganizer();
$arrayOrganizer = array($organizer);
// for now we treat events with out organizers as an error
if ( empty( $arrayOrganizer ) ) return false;
$attendees = array_merge($arrayOrganizer,$ical->GetAttendees());
dbg_error_log( "PUT", "Attempting to deliver scheduling request for %d attendees", count($attendees) );
foreach( $attendees AS $k => $attendee ) {
$attendee_email = preg_replace( '/^mailto:/i', '', $attendee->Value() );
dbg_error_log( "PUT", "Delivering to %s", $attendee_email );
$attendee_principal = new DAVPrincipal ( array ('email'=>$attendee_email, 'options'=> array ( 'allow_by_email' => true ) ) );
$deliver_path = $attendee_principal->internal_url('schedule-inbox');
$attendee_email = preg_replace( '/^mailto:/i', '', $attendee->Value() );
if ( $attendee_email == $request->principal->email ) {
dbg_error_log( "PUT", "not delivering to owner" );
continue;
}
$ar = new DAVResource($deliver_path);
if ( ! $ar->HavePrivilegeTo('schedule-deliver-reply' ) ){
$reply = new XMLDocument( array('DAV:' => '') );
$privnodes = array( $reply->href($attendee_principal->url('schedule-inbox')), new XMLElement( 'privilege' ) );
// RFC3744 specifies that we can only respond with one needed privilege, so we pick the first.
$reply->NSElement( $privnodes[1], 'schedule-deliver-reply' );
$xml = new XMLElement( 'need-privileges', new XMLElement( 'resource', $privnodes) );
$xmldoc = $reply->Render('error',$xml);
$request->DoResponse( 403, $xmldoc, 'text/xml; charset="utf-8"' );
continue;
}
$ncal = new vCalendar( array('METHOD' => 'REPLY') );
$ncal->AddComponent ( array_merge ( $ical->GetComponents('VEVENT',false) , array ($ic) ));
$content = $ncal->Render();
write_resource( new DAVResource($deliver_path . $etag . '.ics'), $content, $ar, $request->user_no, md5($content),
$put_action_type='INSERT', $caldav_context=true, $log_action=true, $etag );
}
$request->DoResponse( 201, 'Created' );
}
function do_scheduling_reply( vCalendar $resource, vProperty $organizer ) {
global $request;
$organizer_email = preg_replace( '/^mailto:/i', '', $organizer->Value() );
$organizer_principal = new Principal('email',$organizer_email );
if ( !$organizer_principal->Exists() ) {
dbg_error_log( 'PUT', 'Organizer "%s" not found - cannot perform scheduling reply.', $organizer );
return false;
}
$sql = 'SELECT caldav_data.dav_name, caldav_data.caldav_data FROM caldav_data JOIN calendar_item USING(dav_id) ';
$sql .= 'WHERE caldav_data.collection_id IN (SELECT collection_id FROM collection WHERE is_calendar AND user_no =?) ';
$sql .= 'AND uid=? LIMIT 1';
$uids = $resource->GetPropertiesByPath('/VCALENDAR/*/UID');
if ( count($uids) == 0 ) {
dbg_error_log( 'PUT', 'No UID in VCALENDAR - giving up on REPLY.' );
return false;
}
$uid = $uids[0]->Value();
$qry = new AwlQuery($sql,$organizer_principal->user_no(), $uid);
if ( !$qry->Exec('PUT',__LINE__,__FILE__) || $qry->rows() < 1 ) {
dbg_error_log( 'PUT', 'Could not find original event from organizer - giving up on REPLY.' );
return false;
}
$row = $qry->Fetch();
$attendees = $resource->GetAttendees();
foreach( $attendees AS $v ) {
$email = preg_replace( '/^mailto:/i', '', $v->Value() );
if ( $email == $request->principal->email() ) {
$attendee = $v;
}
}
if ( empty($attendee) ) {
dbg_error_log( 'PUT', 'Could not find ATTENDEE in VEVENT - giving up on REPLY.' );
return false;
}
$schedule_original = new vCalendar($row->caldav_data);
$attendee->SetParameterValue('SCHEDULE-STATUS', '2.0');
$schedule_original->UpdateAttendeeStatus($request->principal->email(), clone($attendee) );
$collection_path = preg_replace('{/[^/]+$}', '/', $row->dav_name );
$segment_name = str_replace($collection_path, '', $row->dav_name );
$organizer_calendar = new WritableCollection(array('path' => $collection_path));
$organizer_inbox = new WritableCollection(array('path' => $organizer_principal->internal_url('schedule-inbox')));
$schedule_reply = GetItip(new vCalendar($schedule_original->Render(null, true)), 'REPLY', $attendee->Value(), array('CUTYPE'=>true, 'SCHEDULE-STATUS'=>true));
dbg_error_log( 'PUT', 'Writing scheduling REPLY from %s to %s', $request->principal->email(), $organizer_principal->email() );
$response = '3.7'; // Organizer was not found on server.
if ( !$organizer_calendar->Exists() ) {
dbg_error_log('ERROR','Default calendar at "%s" does not exist for user "%s"',
$organizer_calendar->dav_name(), $organizer_principal->username());
$response = '5.2'; // No scheduling support for user
}
else {
if ( ! $organizer_inbox->HavePrivilegeTo('schedule-deliver-reply') ) {
$response = '3.8'; // No authority to deliver replies to organizer.
}
else if ( $organizer_inbox->WriteCalendarMember($schedule_reply, false, false, $request->principal->username().$segment_name) !== false ) {
$response = '1.2'; // Scheduling reply delivered successfully
if ( $organizer_calendar->WriteCalendarMember($schedule_original, false, false, $segment_name) === false ) {
dbg_error_log('ERROR','Could not write updated calendar member to %s',
$organizer_calendar->dav_name());
trace_bug('Failed to write scheduling resource.');
}
}
}
$schedule_request = clone($schedule_original);
$schedule_request->AddProperty('METHOD', 'REQUEST');
dbg_error_log( 'PUT', 'Status for organizer <%s> set to "%s"', $organizer->Value(), $response );
$organizer->SetParameterValue( 'SCHEDULE-STATUS', $response );
$resource->UpdateOrganizerStatus($organizer);
$scheduling_actions = true;
$calling_attendee = clone($attendee);
$attendees = $schedule_original->GetAttendees();
foreach( $attendees AS $attendee ) {
$email = preg_replace( '/^mailto:/i', '', $attendee->Value() );
if ( $email == $request->principal->email() || $email == $organizer_principal->email() ) continue;
$agent = $attendee->GetParameterValue('SCHEDULE-AGENT');
if ( $agent && $agent != 'SERVER' ) {
dbg_error_log( "PUT", "not delivering to %s, schedule agent set to value other than server", $email );
continue;
}
// an attendee's reply should modify only the PARTSTAT on other attendees' objects
// other properties (that might have been adjusted individually by those other
// attendees) should remain unmodified. Therefore, we have to make $schedule_original
// and $schedule_request be initialized by each attendee's object here.
$attendee_principal = new DAVPrincipal ( array ('email'=>$email, 'options'=> array ( 'allow_by_email' => true ) ) );
if ( ! $attendee_principal->Exists() ){
dbg_error_log( 'PUT', 'Could not find attendee %s', $email);
continue;
}
$sql = 'SELECT caldav_data.dav_name, caldav_data.caldav_data, caldav_data.collection_id FROM caldav_data JOIN calendar_item USING(dav_id) ';
$sql .= 'WHERE caldav_data.collection_id IN (SELECT collection_id FROM collection WHERE is_calendar AND user_no =?) ';
$sql .= 'AND uid=? LIMIT 1';
$qry = new AwlQuery($sql,$attendee_principal->user_no(), $uid);
if ( !$qry->Exec('PUT',__LINE__,__FILE__) || $qry->rows() < 1 ) {
dbg_error_log( 'PUT', "Could not find attendee's event %s", $uid );
}
$row = $qry->Fetch();
$schedule_original = new vCalendar($row->caldav_data);
$schedule_original->UpdateAttendeeStatus($request->principal->email(), clone($calling_attendee) );
$schedule_request = clone($schedule_original);
$schedule_request->AddProperty('METHOD', 'REQUEST');
$schedule_target = new Principal('email',$email);
$response = '3.7'; // Attendee was not found on server.
if ( $schedule_target->Exists() ) {
// Instead of always writing to schedule-default-calendar, we first try to
// find a calendar with an existing instance of the event in any calendar of this attendee.
$r = new DAVResource($row);
$attendee_calendar = new WritableCollection(array('path' => $r->parent_path()));
if ($attendee_calendar->IsCalendar()) {
dbg_error_log( 'PUT', "found the event in attendee's calendar %s", $attendee_calendar->dav_name() );
} else {
dbg_error_log( 'PUT', 'could not find the event in any calendar, using schedule-default-calendar');
$attendee_calendar = new WritableCollection(array('path' => $schedule_target->internal_url('schedule-default-calendar')));
}
if ( !$attendee_calendar->Exists() ) {
dbg_error_log('ERROR','Default calendar at "%s" does not exist for user "%s"',
$attendee_calendar->dav_name(), $schedule_target->username());
$response = '5.2'; // No scheduling support for user
}
else {
$attendee_inbox = new WritableCollection(array('path' => $schedule_target->internal_url('schedule-inbox')));
if ( ! $attendee_inbox->HavePrivilegeTo('schedule-deliver-invite') ) {
$response = '3.8'; // No authority to deliver invitations to user.
}
else if ( $attendee_inbox->WriteCalendarMember($schedule_request, false) !== false ) {
$response = '1.2'; // Scheduling invitation delivered successfully
if ( $attendee_calendar->WriteCalendarMember($schedule_original, false) === false ) {
dbg_error_log('ERROR','Could not write updated calendar member to %s',
$attendee_calendar->dav_name(), $attendee_calendar->dav_name(), $schedule_target->username());
trace_bug('Failed to write scheduling resource.');
}
}
}
}
dbg_error_log( 'PUT', 'Status for attendee <%s> set to "%s"', $attendee->Value(), $response );
$attendee->SetParameterValue( 'SCHEDULE-STATUS', $response );
$scheduling_actions = true;
$resource->UpdateAttendeeStatus($email, clone($attendee));
}
return $scheduling_actions;
}
function do_scheduling_requests( vCalendar $resource, $create, $old_data = null ) {
global $request, $c;
if ( !isset($request) || (isset($c->enable_auto_schedule) && !$c->enable_auto_schedule) ) return false;
if ( ! is_object($resource) ) {
trace_bug( 'do_scheduling_requests called with non-object parameter (%s)', gettype($resource) );
return false;
}
$organizer = $resource->GetOrganizer();
if ( $organizer === false || empty($organizer) ) {
dbg_error_log( 'PUT', 'Event has no organizer - no scheduling required.' );
return false;
}
$organizer_email = preg_replace( '/^mailto:/i', '', $organizer->Value() );
// force re-render the object (to get the same representation for all attendiees)
$resource->Render(null, true);
if ( $request->principal->email() != $organizer_email ) {
return do_scheduling_reply($resource,$organizer);
}
if (isset($c->enable_attendee_group_resolution) && $c->enable_attendee_group_resolution) {
$mail_domain = preg_replace( '/^.*@/i', '', $c->admin_email );
$attendees = $resource->GetAttendees();
$new_attendees = array();
foreach( $attendees AS $attendee ) {
$v = $attendee->Value();
unset($localname);
if ($v == "invalid:nomail") {
$localname = $attendee->GetParameterValue("CN");
} else if ((preg_match('/^@/', $v) == 1) || (preg_match('/mailto:@/',$v) == 1)) {
$localname = preg_replace('/^.*@/', '', $v);
} else if (preg_match('/@/', $v) != 1) {
$localname = $v;
} else if (preg_match('/@'.$mail_domain.'/', $v) == 1) {
$localname = preg_replace('/@.*$/', '', $v);
$localname = preg_replace('/^mailto:/', '', $localname);
}
if ($localname) {
dbg_error_log( 'PUT', 'try to resolve local attendee %s', $localname);
$qry = new AwlQuery('SELECT fullname, email FROM usr WHERE user_no = (SELECT user_no FROM principal WHERE type_id = 1 AND user_no = (SELECT user_no FROM usr WHERE lower(username) = (text(:username)))) UNION SELECT fullname, email FROM usr WHERE user_no IN (SELECT user_no FROM principal WHERE principal_id IN (SELECT member_id FROM group_member WHERE group_id = (SELECT principal_id FROM principal WHERE type_id = 3 AND user_no = (SELECT user_no FROM usr WHERE lower(username) = (text(:username))))))', array(':username' => strtolower($localname)));
if ( $qry->Exec('PUT',__LINE__,__FILE__) && $qry->rows() >= 1 ) {
dbg_error_log( 'PUT', 'resolved local name %s to %d individual attendees', $localname, $qry->rows());
while ($row = $qry->Fetch()) {
if ($row->email == $request->principal->email()) continue;
dbg_error_log( 'PUT', 'adding individual attendee %s <%s>', $row->fullname, $row->email);
$a = clone($attendee);
$a->SetParameterValue("CN", $row->fullname);
$a->SetParameterValue("PARTSTAT", "NEEDS-ACTION");
$a->Value("mailto:" . $row->email);
$new_attendees[] = $a;
}
} else {
$new_attendees[] = clone($attendee);
}
} else {
$new_attendees[] = clone($attendee);
}
}
$events = $resource->GetComponents("VEVENT");
$event = $events[0];
$event->SetProperties($new_attendees,'ATTENDEE');
// this is just to reset the private attribute "attendees" in the $resource object
$resource->UpdateAttendeeStatus("this-is-nonsense", new vProperty("ATTENDEE:dummy"));
$attendees = $resource->GetAttendees();
}
// required because we set the schedule status on the original object (why clone() not works here?)
$orig_resource = new vCalendar($resource->Render(null, true));
$schedule_request = new vCalendar($resource->Render(null, true));
$schedule_request->AddProperty('METHOD', 'REQUEST');
$old_attendees = array();
if ( !empty($old_data) ) {
$old_resource = new vCalendar($old_data);
$old_attendees = $old_resource->GetAttendees();
}
$attendees = $resource->GetAttendees();
if ( count($attendees) == 0 && count($old_attendees) == 0 ) {
dbg_error_log( 'PUT', 'Event has no attendees - no scheduling required.', count($attendees) );
return false;
}
$removed_attendees = array();
foreach( $old_attendees AS $attendee ) {
$email = preg_replace( '/^mailto:/i', '', $attendee->Value() );
if ( $email == $request->principal->email() ) continue;
$removed_attendees[$email] = $attendee;
}
$uids = $resource->GetPropertiesByPath('/VCALENDAR/*/UID');
if ( count($uids) == 0 ) {
dbg_error_log( 'PUT', 'No UID in VCALENDAR - giving up on REPLY.' );
return false;
}
$uid = $uids[0]->Value();
dbg_error_log( 'PUT', 'Writing scheduling resources for %d attendees', count($attendees) );
$scheduling_actions = false;
foreach( $attendees AS $attendee ) {
$email = preg_replace( '/^mailto:/i', '', $attendee->Value() );
if ( $email == $request->principal->email() ) {
dbg_error_log( "PUT", "not delivering to owner '%s'", $request->principal->email() );
continue;
}
if ( $create ) {
$attendee_is_new = true;
}
else {
$attendee_is_new = !isset($removed_attendees[$email]);
if ( !$attendee_is_new ) unset($removed_attendees[$email]);
}
$agent = $attendee->GetParameterValue('SCHEDULE-AGENT');
if ( $agent && $agent != 'SERVER' ) {
dbg_error_log( "PUT", "not delivering to %s, schedule agent set to value other than server", $email );
continue;
}
$schedule_target = new Principal('email',$email);
$response = '3.7'; // Attendee was not found on server.
dbg_error_log( 'PUT', 'Handling scheduling resources for %s on %s which is %s', $email,
($create?'create':'update'), ($attendee_is_new? 'new' : 'an update') );
if ( $schedule_target->Exists() ) {
// Instead of always writing to schedule-default-calendar, we first try to
// find a calendar with an existing instance of the event.
$sql = 'SELECT caldav_data.dav_name, caldav_data.caldav_data, caldav_data.collection_id FROM caldav_data JOIN calendar_item USING(dav_id) ';
$sql .= 'WHERE caldav_data.collection_id IN (SELECT collection_id FROM collection WHERE is_calendar AND user_no =?) ';
$sql .= 'AND uid=? LIMIT 1';
$qry = new AwlQuery($sql,$schedule_target->user_no(), $uid);
if ( !$qry->Exec('PUT',__LINE__,__FILE__) || $qry->rows() < 1 ) {
dbg_error_log( 'PUT', "Could not find event in attendee's calendars" );
$attendee_calendar = new WritableCollection(array('path' => $schedule_target->internal_url('schedule-default-calendar')));
unset($row); // signal "not found" below
} else {
$row = $qry->Fetch();
$r = new DAVResource($row);
$attendee_calendar = new WritableCollection(array('path' => $r->parent_path()));
if ($attendee_calendar->IsCalendar()) {
dbg_error_log( 'PUT', "found the event in attendee's calendar %s", $attendee_calendar->dav_name() );
} else {
dbg_error_log( 'PUT', 'could not find the event in any calendar, using schedule-default-calendar');
$attendee_calendar = new WritableCollection(array('path' => $schedule_target->internal_url('schedule-default-calendar')));
}
}
if ( !$attendee_calendar->Exists() ) {
dbg_error_log('ERROR','Default calendar at "%s" does not exist for user "%s"',
$attendee_calendar->dav_name(), $schedule_target->username());
$response = '5.2'; // No scheduling support for user
}
else {
if ($attendee_is_new || !isset($row)) {
$this_schedule_request = clone($schedule_request);
$this_resource = clone($resource);
} else {
dbg_error_log('PUT',"adjusting only some major properties in %s's instance of the event", $schedule_target->username());
$this_resource = new vCalendar($row->caldav_data);
$these_events = $this_resource->GetComponents("VEVENT");
$this_event = $these_events[0];
$events = $resource->GetComponents("VEVENT");
$event = $events[0];
// ??? CLASS, CREATED, LAST-MODIFIED, ATTENDEE, ORGANIZER, others???
$this_event->SetProperties( $event->GetProperties('DTSTAMP'), 'DTSTAMP' );
$this_event->SetProperties( $event->GetProperties('SEQUENCE'), 'SEQUENCE' );
$this_event->SetProperties( $event->GetProperties('DTSTART'), 'DTSTART' );
$this_event->SetProperties( $event->GetProperties('DTEND'), 'DTEND' );
$this_event->SetProperties( $event->GetProperties('DURATION'), 'DURATION' );
$this_event->SetProperties( $event->GetProperties('SUMMARY'), 'SUMMARY' );
$this_event->SetProperties( $event->GetProperties('LOCATION'), 'LOCATION' );
$this_event->SetProperties( $event->GetProperties('DESCRIPTION'), 'DESCRIPTION' );
$this_event->SetProperties( $event->GetProperties('GEO'), 'GEO' );
$this_event->SetProperties( $event->GetProperties('RESOURCES'), 'RESOURCES' );
$this_event->SetProperties( $event->GetProperties('STATUS'), 'STATUS' );
$this_event->SetProperties( $event->GetProperties('ATTENDEE'), 'ATTENDEE' );
$this_resource->SetComponents($these_events, "VEVENT");
$this_schedule_request = clone($this_resource);
$this_schedule_request->AddProperty('METHOD', 'REQUEST');
}
$attendee_inbox = new WritableCollection(array('path' => $schedule_target->internal_url('schedule-inbox')));
if ( ! $attendee_inbox->HavePrivilegeTo('schedule-deliver-invite') ) {
$response = '3.8'; // No authority to deliver invitations to user.
}
else if ( $attendee_inbox->WriteCalendarMember($this_schedule_request, $attendee_is_new) !== false ) {
$response = '1.2'; // Scheduling invitation delivered successfully
if ( $attendee_calendar->WriteCalendarMember($this_resource, $attendee_is_new) === false ) {
dbg_error_log('ERROR','Could not write %s calendar member to %s', ($attendee_is_new?'new':'updated'),
$attendee_calendar->dav_name(), $attendee_calendar->dav_name(), $schedule_target->username());
trace_bug('Failed to write scheduling resource.');
}
}
}
}
else {
$remote = new iSchedule ();
$answer = $remote->sendRequest ( $email, 'VEVENT/REQUEST', $schedule_request->Render() );
if ( $answer === false ) {
$response = '3.7'; // Invalid Calendar User: iSchedule request failed or DKIM not configured
}
else {
foreach ( $answer as $a ) // should only be one element in array
{
if ( $a === false ) {
$response = '3.7'; // Invalid Calendar User: weird reply from remote server
}
elseif ( substr( $a, 0, 1 ) >= 1 ) {
$response = $a; // NOTE: this may need to be limited to the reponse code
}
else {
$response = '2.0'; // Success
}
}
}
}
dbg_error_log( 'PUT', 'Status for attendee <%s> set to "%s"', $attendee->Value(), $response );
$attendee->SetParameterValue( 'SCHEDULE-STATUS', $response );
$scheduling_actions = true;
}
if ( !$create ) {
foreach( $removed_attendees AS $attendee ) {
$email = preg_replace( '/^mailto:/i', '', $attendee->Value() );
$schedule_target = new Principal('email',$email);
if ( $schedule_target->Exists() ) {
// Instead of always writing to schedule-default-calendar, we first try to
// find a calendar with an existing instance of the event.
$sql = 'SELECT caldav_data.dav_name, caldav_data.caldav_data, caldav_data.collection_id FROM caldav_data JOIN calendar_item USING(dav_id) ';
$sql .= 'WHERE caldav_data.collection_id IN (SELECT collection_id FROM collection WHERE is_calendar AND user_no =?) ';
$sql .= 'AND uid=? LIMIT 1';
$qry = new AwlQuery($sql,$schedule_target->user_no(), $uid);
if ( !$qry->Exec('PUT',__LINE__,__FILE__) || $qry->rows() < 1 ) {
dbg_error_log( 'PUT', "Could not find event in attendee's calendars" );
$attendee_calendar = new WritableCollection(array('path' => $schedule_target->internal_url('schedule-default-calendar')));
} else {
$row = $qry->Fetch();
$r = new DAVResource($row);
$attendee_calendar = new WritableCollection(array('path' => $r->parent_path()));
if ($attendee_calendar->IsCalendar()) {
dbg_error_log( 'PUT', "found the event in attendee's calendar %s", $attendee_calendar->dav_name() );
} else {
dbg_error_log( 'PUT', 'could not find the event in any calendar, using schedule-default-calendar');
$attendee_calendar = new WritableCollection(array('path' => $schedule_target->internal_url('schedule-default-calendar')));
}
dbg_error_log('PUT',"marking %s's instance of the event to show that the user's invitation has been revoked", $schedule_target->username());
$this_resource = new vCalendar($row->caldav_data);
$these_events = $this_resource->GetComponents("VEVENT");
$this_event = $these_events[0];
$properties[] = new vProperty( "DESCRIPTION:Your invitation to this event has been revoked." );
$this_event->SetProperties( $properties, 'DESCRIPTION' );
$properties[] = new vProperty( "STATUS:CANCELLED" );
$this_event->SetProperties( $properties, 'STATUS' );
$this_event->SetProperties( null, 'ATTENDEE' );
$this_resource->SetComponents($these_events, "VEVENT");
$this_schedule_request = clone($this_resource);
$this_schedule_request->AddProperty('METHOD', 'REQUEST');
$attendee_inbox = new WritableCollection(array('path' => $schedule_target->internal_url('schedule-inbox')));
if ( ! $attendee_inbox->HavePrivilegeTo('schedule-deliver-invite') ) {
$response = '3.8'; // No authority to deliver invitations to user.
}
else if ( $attendee_inbox->WriteCalendarMember($this_schedule_request, false) !== false ) {
$response = '1.2'; // Scheduling invitation delivered successfully
if ( $attendee_calendar->WriteCalendarMember($this_resource, false) === false ) {
dbg_error_log('ERROR','Could not write updated calendar member');
trace_bug('Failed to write scheduling resource.');
}
}
}
}
}
}
return $scheduling_actions;
}
function import_collection( $import_content, $user_no, $path, $caldav_context, $appending = false ) {
global $c;
if ( ! ini_get('open_basedir') && (isset($c->dbg['ALL']) || isset($c->dbg['put'])) ) {
$fh = fopen('/var/log/davical/PUT-2.debug','w');
if ( $fh ) {
fwrite($fh,$import_content);
fclose($fh);
}
}
if ( preg_match( '{^begin:(vcard|vcalendar)}i', $import_content, $matches) ) {
if ( strtoupper($matches[1]) == 'VCARD' )
import_addressbook_collection( $import_content, $user_no, $path, $caldav_context, $appending );
elseif ( strtoupper($matches[1]) == 'VCALENDAR' )
import_calendar_collection( $import_content, $user_no, $path, $caldav_context, $appending );
// Uncache anything to do with the collection
$cache = getCacheInstance();
$cache_ns = 'collection-'.preg_replace( '{/[^/]*$}', '/', $path);
$cache->delete( $cache_ns, null );
}
else {
dbg_error_log('PUT', 'Can only import files which are VCARD or VCALENDAR');
}
}
function import_addressbook_collection( $vcard_content, $user_no, $path, $caldav_context, $appending = false ) {
global $c, $session;
// We hack this into an enclosing component because vComponent only expects a single root component
$addressbook = new vComponent("BEGIN:ADDRESSES\r\n".$vcard_content."\r\nEND:ADDRESSES\r\n");
require_once('vcard.php');
$sql = 'SELECT * FROM collection WHERE dav_name = :dav_name';
$qry = new AwlQuery( $sql, array( ':dav_name' => $path) );
if ( ! $qry->Exec('PUT',__LINE__,__FILE__) ) rollback_on_error( $caldav_context, $user_no, $path, 'Database error in: '.$sql );
if ( ! $qry->rows() == 1 ) {
dbg_error_log( 'ERROR', ' PUT: Collection does not exist at "%s" for user %d', $path, $user_no );
rollback_on_error( $caldav_context, $user_no, $path, sprintf('Error: Collection does not exist at "%s" for user %d', $path, $user_no ));
}
$collection = $qry->Fetch();
$collection_id = $collection->collection_id;
// Fetch the current collection data
$qry->QDo('SELECT dav_name, caldav_data FROM caldav_data WHERE collection_id=:collection_id', array(
':collection_id' => $collection_id
));
$current_data = array();
while( $row = $qry->Fetch() )
$current_data[$row->dav_name] = $row->caldav_data;
if ( !(isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import) ) $qry->Begin();
$base_params = array(
':collection_id' => $collection_id,
':session_user' => $session->user_no,
':caldav_type' => 'VCARD'
);
$dav_data_insert = <<<EOSQL
INSERT INTO caldav_data ( user_no, dav_name, dav_etag, caldav_data, caldav_type, logged_user, created, modified, collection_id )
VALUES( :user_no, :dav_name, :etag, :dav_data, :caldav_type, :session_user, :created, :modified, :collection_id )
EOSQL;
$dav_data_update = <<<EOSQL
UPDATE caldav_data SET user_no=:user_no, caldav_data=:dav_data, dav_etag=:etag, caldav_type=:caldav_type, logged_user=:session_user,
modified=current_timestamp WHERE collection_id=:collection_id AND dav_name=:dav_name
EOSQL;
$resources = $addressbook->GetComponents();
if ( count($resources) > 0 )
$qry->QDo('SELECT new_sync_token(0,'.$collection_id.')');
foreach( $resources AS $k => $resource ) {
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Begin();
$vcard = new vCard( $resource->Render() );
$uid = $vcard->GetPValue('UID');
if ( empty($uid) ) {
$uid = uuid();
$vcard->AddProperty('UID',$uid);
}
$last_modified = $vcard->GetPValue('REV');
if ( empty($last_modified) ) {
$last_modified = gmdate( 'Ymd\THis\Z' );
$vcard->AddProperty('REV',$last_modified);
}
$created = $vcard->GetPValue('X-CREATED');
if ( empty($last_modified) ) {
$created = gmdate( 'Ymd\THis\Z' );
$vcard->AddProperty('X-CREATED',$created);
}
$rendered_card = $vcard->Render();
// We don't allow any of &?\/@%+: in the UID to appear in the path, but anything else is fair game.
$dav_name = sprintf( '%s%s.vcf', $path, preg_replace('{[&?\\/@%+:]}','',$uid) );
$dav_data_params = $base_params;
$dav_data_params[':user_no'] = $user_no;
$dav_data_params[':dav_name'] = $dav_name;
$dav_data_params[':etag'] = md5($rendered_card);
$dav_data_params[':dav_data'] = $rendered_card;
$dav_data_params[':modified'] = $last_modified;
$dav_data_params[':created'] = $created;
// Do we actually need to do anything?
$inserting = true;
if ( isset($current_data[$dav_name]) ) {
if ( $rendered_card == $current_data[$dav_name] ) {
unset($current_data[$dav_name]);
continue;
}
$sync_change = 200;
unset($current_data[$dav_name]);
$inserting = false;
}
else
$sync_change = 201;
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Begin();
// Write to the caldav_data table
if ( !$qry->QDo( ($inserting ? $dav_data_insert : $dav_data_update), $dav_data_params) )
rollback_on_error( $caldav_context, $user_no, $path, 'Database error on:'. ($inserting ? $dav_data_insert : $dav_data_update));
// Get the dav_id for this row
$qry->QDo('SELECT dav_id FROM caldav_data WHERE dav_name = :dav_name ', array(':dav_name' => $dav_name));
if ( $qry->rows() == 1 && $row = $qry->Fetch() ) {
$dav_id = $row->dav_id;
}
$vcard->Write( $row->dav_id, !$inserting );
$qry->QDo("SELECT write_sync_change( $collection_id, $sync_change, :dav_name)", array(':dav_name' => $dav_name ) );
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Commit();
}
if ( !$appending && count($current_data) > 0 ) {
$params = array( ':collection_id' => $collection_id );
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Begin();
foreach( $current_data AS $dav_name => $data ) {
$params[':dav_name'] = $dav_name;
$qry->QDo('DELETE FROM caldav_data WHERE collection_id = :collection_id AND dav_name = :dav_name', $params);
$qry->QDo('SELECT write_sync_change(:collection_id, 404, :dav_name)', $params);
}
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Commit();
}
if ( !(isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import) ) {
if ( ! $qry->Commit() ) rollback_on_error( $caldav_context, $user_no, $path, 'Database error on COMMIT');
}
}
function import_calendar_collection( $ics_content, $user_no, $path, $caldav_context, $appending = false ) {
global $c, $session, $tz_regex;
$calendar = new vComponent($ics_content);
$timezones = $calendar->GetComponents('VTIMEZONE',true);
$components = $calendar->GetComponents('VTIMEZONE',false);
// Add a parameter to calendars on import so it will only load events 'after' @author karora
// date, or an RFC5545 duration format offset from the current date.
$after = null;
if ( isset($_GET['after']) ) {
$after = $_GET['after'];
if ( strtoupper(substr($after, 0, 1)) == 'P' || strtoupper(substr($after, 0, 1)) == '-P' ) {
$duration = new Rfc5545Duration($after);
$duration = $duration->asSeconds();
$after = time() - (abs($duration));
}
else {
$after = new RepeatRuleDateTime($after);
$after = $after->epoch();
}
}
$displayname = $calendar->GetPValue('X-WR-CALNAME');
if ( !$appending && isset($displayname) ) {
$sql = 'UPDATE collection SET dav_displayname = :displayname WHERE dav_name = :dav_name';
$qry = new AwlQuery( $sql, array( ':displayname' => $displayname, ':dav_name' => $path) );
if ( ! $qry->Exec('PUT',__LINE__,__FILE__) ) rollback_on_error( $caldav_context, $user_no, $path, 'Database error on: '.$sql );
}
$tz_ids = array();
foreach( $timezones AS $k => $tz ) {
$tz_ids[$tz->GetPValue('TZID')] = $k;
}
$resources = array();
foreach( $components AS $k => $comp ) {
$uid = $comp->GetPValue('UID');
if ( $uid == null || $uid == '' ) {
$uid = uuid();
$comp->AddProperty('UID',$uid);
dbg_error_log( 'LOG WARN', ' PUT: New collection resource does not have a UID - we assign one!' );
}
if ( !isset($resources[$uid]) ) $resources[$uid] = array();
$resources[$uid][] = $comp;
$tzid = GetTZID($comp);
if ( !empty($tzid) && !isset($resources[$uid][$tzid]) && isset($tz_ids[$tzid]) ) {
$resources[$uid][$tzid] = $timezones[$tz_ids[$tzid]];
}
}
$sql = 'SELECT * FROM collection WHERE dav_name = :dav_name';
$qry = new AwlQuery( $sql, array( ':dav_name' => $path) );
if ( ! $qry->Exec('PUT',__LINE__,__FILE__) ) rollback_on_error( $caldav_context, $user_no, $path, 'Database error on: '.$sql );
if ( ! $qry->rows() == 1 ) {
dbg_error_log( 'ERROR', ' PUT: Collection does not exist at "%s" for user %d', $path, $user_no );
rollback_on_error( $caldav_context, $user_no, $path, sprintf( 'Error: Collection does not exist at "%s" for user %d', $path, $user_no ));
}
$collection = $qry->Fetch();
$collection_id = $collection->collection_id;
// Fetch the current collection data
$qry->QDo('SELECT dav_name, caldav_data FROM caldav_data WHERE collection_id=:collection_id', array(
':collection_id' => $collection_id
));
$current_data = array();
while( $row = $qry->Fetch() )
$current_data[$row->dav_name] = $row->caldav_data;
if ( !(isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import) ) $qry->Begin();
$base_params = array( ':collection_id' => $collection_id );
$dav_data_insert = <<<EOSQL
INSERT INTO caldav_data ( user_no, dav_name, dav_etag, caldav_data, caldav_type, logged_user, created, modified, collection_id )
VALUES( :user_no, :dav_name, :etag, :dav_data, :caldav_type, :session_user, current_timestamp, current_timestamp, :collection_id )
EOSQL;
$dav_data_update = <<<EOSQL
UPDATE caldav_data SET user_no=:user_no, caldav_data=:dav_data, dav_etag=:etag, caldav_type=:caldav_type, logged_user=:session_user,
modified=current_timestamp WHERE collection_id=:collection_id AND dav_name=:dav_name
EOSQL;
$calitem_insert = <<<EOSQL
INSERT INTO calendar_item (user_no, dav_name, dav_id, dav_etag, uid, dtstamp,
dtstart, dtstart_orig, dtend, dtend_orig, summary, location, class, transp,
description, rrule, tz_id, last_modified, url, priority, created, due,
percent_complete, status, collection_id )
VALUES ( :user_no, :dav_name, currval('dav_id_seq'), :etag, :uid, :dtstamp,
:dtstart, :dtstart_orig, ##dtend##, :dtend_orig, :summary, :location,
:class, :transp, :description, :rrule, :tzid, :modified, :url, :priority,
:created, :due, :percent_complete, :status, :collection_id)
EOSQL;
$calitem_update = <<<EOSQL
UPDATE calendar_item
SET user_no=:user_no, dav_etag=:etag, uid=:uid, dtstamp=:dtstamp, dtstart=:dtstart,
dtstart_orig=:dtstart_orig, dtend=##dtend##, summary=:summary,
location=:location, class=:class, transp=:transp, description=:description,
rrule=:rrule, tz_id=:tzid, last_modified=:modified, url=:url,
priority=:priority, due=:due, percent_complete=:percent_complete,
status=:status
WHERE collection_id=:collection_id AND dav_name=:dav_name
EOSQL;
$last_olson = '';
if ( count($resources) > 0 )
$qry->QDo('SELECT new_sync_token(0,'.$collection_id.')');
foreach( $resources AS $uid => $resource ) {
$vcal = new vCalendar();
$vcal->SetComponents($resource);
$icalendar = $vcal->Render();
$dav_name = sprintf( '%s%s.ics', $path, preg_replace('{[&?\\/@%+:]}','',$uid) );
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Begin();
$first = $resource[0];
$dav_data_params = $base_params;
$dav_data_params[':user_no'] = $user_no;
// We don't allow any of &?\/@%+: in the UID to appear in the path, but anything else is fair game.
$dav_data_params[':dav_name'] = $dav_name;
$dav_data_params[':etag'] = md5($icalendar);
$calitem_params = $dav_data_params;
$dav_data_params[':dav_data'] = $icalendar;
$dav_data_params[':caldav_type'] = $first->GetType();
$dav_data_params[':session_user'] = $session->user_no;
$dtstart = $first->GetPValue('DTSTART');
$calitem_params[':dtstart_orig'] = $dtstart;
$calitem_params[':dtstart'] = $dtstart;
if ( (!isset($dtstart) || $dtstart == '') && $first->GetPValue('DUE') != '' ) {
$dtstart = $first->GetPValue('DUE');
if ( isset($after) ) $dtstart_date = new RepeatRuleDateTime($first->GetProperty('DUE'));
}
else if ( isset($after) ) {
$dtstart_date = new RepeatRuleDateTime($first->GetProperty('DTSTART'));
}
$calitem_params[':rrule'] = $first->GetPValue('RRULE');
// Skip it if it's after our start date for this import.
if ( isset($after) && empty($calitem_params[':rrule']) && $dtstart_date->epoch() < $after ) continue;
// Do we actually need to do anything?
$inserting = true;
if ( isset($current_data[$dav_name]) ) {
if ( $icalendar == $current_data[$dav_name] ) {
if ( $after == null ) {
unset($current_data[$dav_name]);
continue;
}
}
$sync_change = 200;
unset($current_data[$dav_name]);
$inserting = false;
}
else
$sync_change = 201;
// Write to the caldav_data table
if ( !$qry->QDo( ($inserting ? $dav_data_insert : $dav_data_update), $dav_data_params) )
rollback_on_error( $caldav_context, $user_no, $path, 'Database error on:'. ($inserting ? $dav_data_insert : $dav_data_update));
// Get the dav_id for this row
$qry->QDo('SELECT dav_id FROM caldav_data WHERE dav_name = :dav_name ', array(':dav_name' => $dav_data_params[':dav_name']));
if ( $qry->rows() == 1 && $row = $qry->Fetch() ) {
$dav_id = $row->dav_id;
}
$dtend = $first->GetPValue('DTEND');
$calitem_params[':dtend_orig'] = $dtend;
if ( isset($dtend) && $dtend != '' ) {
dbg_error_log( 'PUT', ' DTEND: "%s", DTSTART: "%s", DURATION: "%s"', $dtend, $dtstart, $first->GetPValue('DURATION') );
$calitem_params[':dtend'] = $dtend;
$dtend = ':dtend';
}
else {
$dtend = 'NULL';
if ( $first->GetPValue('DURATION') != '' AND $dtstart != '' ) {
$duration = trim(preg_replace( '#[PT]#', ' ', $first->GetPValue('DURATION') ));
if ( $duration == '' ) $duration = '0 seconds';
$dtend = '(:dtstart::timestamp with time zone + :duration::interval)';
$calitem_params[':duration'] = $duration;
}
elseif ( $first->GetType() == 'VEVENT' ) {
$dtstart_prop = $first->GetProperty('DTSTART');
if ( empty($dtstart_prop) ) {
dbg_error_log('PUT','Invalid VEVENT without DTSTART, UID="%s" in collection %d', $uid, $collection_id);
continue;
}
$value_type = $dtstart_prop->GetParameterValue('VALUE');
dbg_error_log('PUT','DTSTART without DTEND. DTSTART value type is %s', $value_type );
if ( isset($value_type) && $value_type == 'DATE' )
$dtend = '(:dtstart::timestamp with time zone::date + \'1 day\'::interval)';
else
$dtend = ':dtstart';
}
}
$last_modified = $first->GetPValue('LAST-MODIFIED');
if ( !isset($last_modified) || $last_modified == '' ) $last_modified = gmdate( 'Ymd\THis\Z' );
$calitem_params[':modified'] = $last_modified;
$dtstamp = $first->GetPValue('DTSTAMP');
if ( empty($dtstamp) ) $dtstamp = $last_modified;
$calitem_params[':dtstamp'] = $dtstamp;
$class = ($collection->public_events_only == 't' && isset($class) ? 'PUBLIC' : $first->GetPValue('CLASS') );
$calitem_params[':class'] = $class;
$tzid = GetTZID($first);
if ( !empty($tzid) && !empty($resource[$tzid]) ) {
$tz = $resource[$tzid];
$olson = $vcal->GetOlsonName($tz);
dbg_error_log( 'PUT', ' Using TZID[%s] and location of [%s]', $tzid, (isset($olson) ? $olson : '') );
if ( !empty($olson) && ($olson != $last_olson) && preg_match( $tz_regex, $olson ) ) {
dbg_error_log( 'PUT', ' Setting timezone to %s', $olson );
$qry->QDo('SET TIMEZONE TO \''.$olson."'" );
$last_olson = $olson;
}
$params = array( ':tzid' => $tzid);
$qry = new AwlQuery('SELECT 1 FROM timezones WHERE tzid = :tzid', $params );
if ( $qry->Exec('PUT',__LINE__,__FILE__) && $qry->rows() == 0 ) {
$params[':olson_name'] = $olson;
$params[':vtimezone'] = (isset($tz) ? $tz->Render() : null );
$params[':last_modified'] = (isset($tz) ? $tz->GetPValue('LAST-MODIFIED') : null );
if ( empty($params[':last_modified']) ) {
$params[':last_modified'] = gmdate('Ymd\THis\Z');
}
$qry->QDo('INSERT INTO timezones (tzid, olson_name, active, vtimezone, last_modified) VALUES(:tzid,:olson_name,false,:vtimezone,:last_modified)', $params );
}
}
else {
$tz = $olson = $tzid = null;
}
$sql = str_replace( '##dtend##', $dtend, ($inserting ? $calitem_insert : $calitem_update) );
$calitem_params[':uid'] = $first->GetPValue('UID');
$calitem_params[':url'] = $first->GetPValue('URL');
$calitem_params[':due'] = $first->GetPValue('DUE');
$calitem_params[':tzid'] = $tzid;
$calitem_params[':transp'] = $first->GetPValue('TRANSP');
$calitem_params[':status'] = $first->GetPValue('STATUS');
$calitem_params[':summary'] = $first->GetPValue('SUMMARY');
$calitem_params[':location'] = $first->GetPValue('LOCATION');
$calitem_params[':priority'] = $first->GetPValue('PRIORITY');
$calitem_params[':description'] = $first->GetPValue('DESCRIPTION');
$calitem_params[':percent_complete'] = $first->GetPValue('PERCENT-COMPLETE');
// Intentionally not populating first_instance_start and last_instance_end
// here, As they may depend on the default tzid of the collection, which as
// I understand it hasn't yet been set
if ( $inserting ) {
$created = $first->GetPValue('CREATED');
if ( $created == '00001231T000000Z' ) $created = '20001231T000000Z';
$calitem_params[':created'] = $created;
}
// Write the calendar_item row for this entry
if ( !$qry->QDo($sql,$calitem_params) ) rollback_on_error( $caldav_context, $user_no, $path);
write_alarms($dav_id, $first);
write_attendees($dav_id, $vcal);
$qry->QDo("SELECT write_sync_change( $collection_id, $sync_change, :dav_name)", array(':dav_name' => $dav_name ) );
do_scheduling_requests( $vcal, true );
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Commit();
}
if ( !$appending && count($current_data) > 0 ) {
$params = array( ':collection_id' => $collection_id );
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Begin();
foreach( $current_data AS $dav_name => $data ) {
$params[':dav_name'] = $dav_name;
$qry->QDo('DELETE FROM caldav_data WHERE collection_id = :collection_id AND dav_name = :dav_name', $params);
$qry->QDo('SELECT write_sync_change(:collection_id, 404, :dav_name)', $params);
}
if ( isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import ) $qry->Commit();
}
if ( !(isset($c->skip_bad_event_on_import) && $c->skip_bad_event_on_import) ) {
if ( ! $qry->Commit() ) rollback_on_error( $caldav_context, $user_no, $path);
}
}
function write_alarms( $dav_id, vComponent $ical ) {
$qry = new AwlQuery('DELETE FROM calendar_alarm WHERE dav_id = '.$dav_id );
$qry->Exec('PUT',__LINE__,__FILE__);
$alarms = $ical->GetComponents('VALARM');
if ( count($alarms) < 1 ) return;
$qry->SetSql('INSERT INTO calendar_alarm ( dav_id, count, action, trigger, summary, description, component, next_trigger )
VALUES( '.$dav_id.', :count, :action, :trigger, :summary, :description, :component,
:related::timestamp with time zone + :related_trigger::interval )' );
$qry->Prepare();
$count = 0;
foreach( $alarms AS $v ) {
$trigger = array_merge($v->GetProperties('TRIGGER'));
if ( $trigger == null ) continue; // Bogus data.
$trigger = $trigger[0];
$related = null;
$related_trigger = '0M';
$trigger_type = $trigger->GetParameterValue('VALUE');
if ( !isset($trigger_type) || $trigger_type == 'DURATION' ) {
switch ( $trigger->GetParameterValue('RELATED') ) {
case 'DTEND': $related = $ical->GetProperty('DTEND'); break;
case 'DUE': $related = $ical->GetProperty('DUE'); break;
default: $related = $ical->GetProperty('DTSTART');
}
$duration = $trigger->Value();
if ( !preg_match('{^-?P(:?\d+W)?(:?\d+D)?(:?T(:?\d+H)?(:?\d+M)?(:?\d+S)?)?$}', $duration ) ) continue;
$minus = (substr($duration,0,1) == '-');
$related_trigger = trim(preg_replace( '#[PT-]#', ' ', $duration ));
if ($related_trigger == '') $related_trigger = '0 seconds';
if ( $minus ) {
$related_trigger = preg_replace( '{(\d+[WDHMS])}', '-$1 ', $related_trigger );
}
else {
$related_trigger = preg_replace( '{(\d+[WDHMS])}', '$1 ', $related_trigger );
}
}
else if ( $trigger_type == 'DATE-TIME' ) {
$related = $trigger;
}
else {
if ( false === strtotime($trigger->Value()) ) continue; // Invalid date.
$related = $trigger;
}
$related_date = new RepeatRuleDateTime($related);
$qry->Bind(':action', $v->GetPValue('ACTION'));
$qry->Bind(':trigger', $trigger->Render());
$qry->Bind(':summary', $v->GetPValue('SUMMARY'));
$qry->Bind(':description', $v->GetPValue('DESCRIPTION'));
$qry->Bind(':component', $v->Render());
$qry->Bind(':related', $related_date->UTC() );
$qry->Bind(':related_trigger', $related_trigger );
$qry->Bind(':count', $count++ );
$qry->Exec('PUT',__LINE__,__FILE__);
}
}
function write_attendees( $dav_id, vCalendar $ical ) {
$qry = new AwlQuery('DELETE FROM calendar_attendee WHERE dav_id = '.$dav_id );
$qry->Exec('PUT',__LINE__,__FILE__);
$attendees = $ical->GetAttendees();
if ( count($attendees) < 1 ) return;
$qry->SetSql('INSERT INTO calendar_attendee ( dav_id, status, partstat, cn, attendee, role, rsvp, property )
VALUES( '.$dav_id.', :status, :partstat, :cn, :attendee, :role, :rsvp, :property )' );
$qry->Prepare();
$processed = array();
foreach( $attendees AS $v ) {
$attendee = $v->Value();
if ( isset($processed[$attendee]) ) {
dbg_error_log( 'LOG', 'Duplicate attendee "%s" in resource "%d"', $attendee, $dav_id );
dbg_error_log( 'LOG', 'Original: "%s"', $processed[$attendee] );
dbg_error_log( 'LOG', 'Duplicate: "%s"', $v->Render() );
continue;
}
$qry->Bind(':attendee', $attendee );
$qry->Bind(':status', $v->GetParameterValue('STATUS') );
$qry->Bind(':partstat', $v->GetParameterValue('PARTSTAT') );
$qry->Bind(':cn', $v->GetParameterValue('CN') );
$qry->Bind(':role', $v->GetParameterValue('ROLE') );
$qry->Bind(':rsvp', $v->GetParameterValue('RSVP') );
$qry->Bind(':property', $v->Render() );
$qry->Exec('PUT',__LINE__,__FILE__);
$processed[$attendee] = $v->Render();
}
}
function write_resource( DAVResource $resource, $caldav_data, DAVResource $collection, $author, &$etag, $put_action_type, $caldav_context, $log_action=true, $weak_etag=null ) {
global $tz_regex, $session;
$path = $resource->bound_from();
$user_no = $collection->user_no();
$vcal = new vCalendar( $caldav_data );
$resources = $vcal->GetComponents('VTIMEZONE',false); // Not matching VTIMEZONE
if ( !isset($resources[0]) ) {
$resource_type = 'Unknown';
rollback_on_error( $caldav_context, $user_no, $path, translate('No calendar content'), 412 );
return false;
}
else {
$first = $resources[0];
if ( !($first instanceof vComponent) ) {
print $vcal->Render();
fatal('This is not a vComponent!');
}
$resource_type = $first->GetType();
}
$collection_id = $collection->collection_id();
$qry = new AwlQuery();
$qry->Begin();
$calitem_params = array(
':etag' => $etag
);
if ( $put_action_type == 'INSERT' ) {
$qry->QDo('SELECT nextval(\'dav_id_seq\') AS dav_id, null AS caldav_data');
}
else {
$qry->QDo('SELECT dav_id, caldav_data FROM caldav_data WHERE dav_name = :dav_name ', array(':dav_name' => $path));
}
if ( $qry->rows() != 1 || !($row = $qry->Fetch()) ) {
// No dav_id? => We're toast!
trace_bug( 'No dav_id for "%s" on %s!!!', $path, ($put_action_type == 'INSERT' ? 'create': 'update'));
rollback_on_error( $caldav_context, $user_no, $path);
return false;
}
$dav_id = $row->dav_id;
$old_dav_data = $row->caldav_data;
// reset all attendees' partstat to needs-action in vcal and caldav_date here, if time of event has been modified.
if ($old_dav_data) {
$modified = false;
$oldvcal = new vCalendar( $old_dav_data );
$oldr = $oldvcal->GetComponents('VTIMEZONE',false);
$oldfirst = $oldr[0];
$dtstart = $first->GetPValue('DTSTART');
$olddtstart = $oldfirst->GetPValue('DTSTART');
if (strcmp($dtstart, $olddtstart)) $modified = true;
$dtend = $first->GetPValue('DTEND');
$olddtend = $oldfirst->GetPValue('DTEND');
if (isset($dtend) && isset($olddtend) && strcmp($dtend, $olddtend)) $modified = true;
$duration = $first->GetPValue('DURATION');
$oldduration = $oldfirst->GetPValue('DURATION');
$organizer = $vcal->GetOrganizer();
if (isset($duration) && isset($oldduration) && strcmp($duration, $oldduration)) $modified = true;
if (($modified == true) && !($organizer === false || empty($organizer))) {
dbg_error_log( 'PUT', "event time attributes have been modified, reset all attendees' PARTSTAT to NEEDS-ACTION.");
$organizer_email = preg_replace( '/^mailto:/i', '', $organizer->Value() );
$attendees = $first->GetProperties('ATTENDEE');
foreach( $attendees AS $attendee ) {
$attendee_email = preg_replace( '/^mailto:/', '', $attendee->Value() );
if ( $attendee_email != $organizer_email ) {
$attendee->SetParameterValue("PARTSTAT", "NEEDS-ACTION");
$attendee->SetParameterValue("SCHEDULE-STATUS", "1.0");
}
}
$first->SetProperties($attendees,'ATTENDEE');
$caldav_data = $vcal->Render(null, true);
dbg_error_log( 'PUT', "event time attributes have been modified, reset all attendees' PARTSTAT completed.");
}
}
$dav_params = array(
':etag' => $etag,
':dav_data' => $caldav_data,
':caldav_type' => $resource_type,
':session_user' => $author,
':weak_etag' => $weak_etag
);
$dav_params[':dav_id'] = $dav_id;
$calitem_params[':dav_id'] = $dav_id;
$due = null;
if ( $first->GetType() == 'VTODO' ) $due = $first->GetPValue('DUE');
$calitem_params[':due'] = $due;
$dtstart = $first->GetPValue('DTSTART');
$calitem_params[':dtstart_orig'] = $dtstart;
if ( empty($dtstart) ) $dtstart = $due;
if (isset($dtstart) && preg_match("/^1[0-8][0-9][0-9][01][0-9][0-3][0-9]$/", $dtstart))
$dtstart = $dtstart . "T000000Z";
$calitem_params[':dtstart'] = $dtstart;
$dtend = $first->GetPValue('DTEND');
$calitem_params[':dtend_orig'] = $dtend;
if ( isset($dtend) && $dtend != '' ) {
dbg_error_log( 'PUT', ' DTEND: "%s", DTSTART: "%s", DURATION: "%s"', $dtend, $dtstart, $first->GetPValue('DURATION') );
if (preg_match("/^1[0-8][0-9][0-9][01][0-9][0-3][0-9]$/", $dtend))
$dtend = $dtend . "T000000Z";
$calitem_params[':dtend'] = $dtend;
$dtend = ':dtend';
}
else {
// In this case we'll construct the SQL directly as a calculation relative to :dtstart
$dtend = 'NULL';
if ( $first->GetPValue('DURATION') != '' AND $dtstart != '' ) {
$duration = trim(preg_replace( '#[PT]#', ' ', $first->GetPValue('DURATION') ));
if ( $duration == '' ) $duration = '0 seconds';
$dtend = '(:dtstart::timestamp with time zone + :duration::interval)';
$calitem_params[':duration'] = $duration;
}
elseif ( $first->GetType() == 'VEVENT' ) {
$dtstart_prop = $first->GetProperty('DTSTART');
$value_type = $dtstart_prop->GetParameterValue('VALUE');
dbg_error_log('PUT','DTSTART without DTEND. DTSTART value type is %s', $value_type );
if ( isset($value_type) && $value_type == 'DATE' )
$dtend = '(:dtstart::timestamp with time zone::date + \'1 day\'::interval)';
else
$dtend = ':dtstart';
}
}
$dtstamp = $first->GetPValue('DTSTAMP');
if ( !isset($dtstamp) || $dtstamp == '' ) {
// Strictly, we're dealing with an out of spec component here, but we'll try and survive
$dtstamp = gmdate( 'Ymd\THis\Z' );
}
$calitem_params[':dtstamp'] = $dtstamp;
$last_modified = $first->GetPValue('LAST-MODIFIED');
if ( !isset($last_modified) || $last_modified == '' ) $last_modified = $dtstamp;
$dav_params[':modified'] = $last_modified;
$calitem_params[':modified'] = $last_modified;
$created = $first->GetPValue('CREATED');
if ( $created == '00001231T000000Z' ) $created = '20001231T000000Z';
$class = $first->GetPValue('CLASS');
/* Check and see if we should over ride the class. */
if ( public_events_only($user_no, $path) && isset($class) ) {
$class = 'PUBLIC';
}
$calitem_params[':class'] = $class;
$last_olson = 'Turkmenikikamukau'; // I really hope this location doesn't exist!
$tzid = GetTZID($first);
if ( !empty($tzid) ) {
$timezones = $vcal->GetComponents('VTIMEZONE');
foreach( $timezones AS $k => $tz ) {
if ( $tz->GetPValue('TZID') != $tzid ) {
dbg_error_log( 'ERROR', ' Event uses TZID[%s], skipping included TZID[%s]!', $tz->GetPValue('TZID'), $tzid );
continue;
}
$olson = olson_from_tzstring($tzid);
if ( empty($olson) ) {
$olson = $tz->GetPValue('X-LIC-LOCATION');
if ( !empty($olson) ) {
$olson = olson_from_tzstring($olson);
}
}
}
dbg_error_log( 'PUT', ' Using TZID[%s] and location of [%s]', $tzid, (isset($olson) ? $olson : '') );
if ( !empty($olson) && ($olson != $last_olson) && preg_match( $tz_regex, $olson ) ) {
dbg_error_log( 'PUT', ' Setting timezone to %s', $olson );
if ( $olson != '' ) {
$qry->QDo('SET TIMEZONE TO \''.$olson."'" );
}
$last_olson = $olson;
}
$params = array( ':tzid' => $tzid);
$qry = new AwlQuery('SELECT 1 FROM timezones WHERE tzid = :tzid', $params );
if ( $qry->Exec('PUT',__LINE__,__FILE__) && $qry->rows() == 0 ) {
$params[':olson_name'] = $olson;
$params[':vtimezone'] = (isset($tz) ? $tz->Render() : null );
$qry->QDo('INSERT INTO timezones (tzid, olson_name, active, vtimezone) VALUES(:tzid,:olson_name,false,:vtimezone)', $params );
}
if ( !isset($olson) || $olson == '' ) $olson = $tzid;
}
$qry->QDo('SELECT new_sync_token(0,'.$collection_id.')');
$calitem_params[':tzid'] = $tzid;
$calitem_params[':uid'] = $first->GetPValue('UID');
$calitem_params[':summary'] = $first->GetPValue('SUMMARY');
$calitem_params[':location'] = $first->GetPValue('LOCATION');
$calitem_params[':transp'] = $first->GetPValue('TRANSP');
$calitem_params[':description'] = $first->GetPValue('DESCRIPTION');
$calitem_params[':rrule'] = $first->GetPValue('RRULE');
$calitem_params[':url'] = $first->GetPValue('URL');
$calitem_params[':priority'] = $first->GetPValue('PRIORITY');
$calitem_params[':percent_complete'] = $first->GetPValue('PERCENT-COMPLETE');
$calitem_params[':status'] = $first->GetPValue('STATUS');
$range = getVCalendarRange($vcal, $resource->timezone_name());
$calitem_params[':first_instance_start'] = isset($range->from) ? $range->from->UTC() : null;
$calitem_params[':last_instance_end'] = isset($range->until) ? $range->until->UTC() : null;
// force re-render the object (to get the same representation for all attendees)
$vcal->Render(null, true);
if ( !$collection->IsSchedulingCollection() ) {
if ( do_scheduling_requests($vcal, ($put_action_type == 'INSERT'), $old_dav_data ) ) {
$dav_params[':dav_data'] = $vcal->Render(null, true);
$etag = null;
}
}
if ( !isset($dav_params[':modified']) ) $dav_params[':modified'] = 'now';
if ( $put_action_type == 'INSERT' ) {
$sql = 'INSERT INTO caldav_data ( dav_id, user_no, dav_name, dav_etag, caldav_data, caldav_type, logged_user, created, modified, collection_id, weak_etag )
VALUES( :dav_id, :user_no, :dav_name, :etag, :dav_data, :caldav_type, :session_user, :created, :modified, :collection_id, :weak_etag )';
$dav_params[':collection_id'] = $collection_id;
$dav_params[':user_no'] = $user_no;
$dav_params[':dav_name'] = $path;
$dav_params[':created'] = (isset($created) && $created != '' ? $created : $dtstamp);
}
else {
$sql = 'UPDATE caldav_data SET caldav_data=:dav_data, dav_etag=:etag, caldav_type=:caldav_type, logged_user=:session_user,
modified=:modified, weak_etag=:weak_etag WHERE dav_id=:dav_id';
}
$qry = new AwlQuery($sql,$dav_params);
if ( !$qry->Exec('PUT',__LINE__,__FILE__) ) {
fatal('Insert into calendar_item failed...');
rollback_on_error( $caldav_context, $user_no, $path);
return false;
}
if ( $put_action_type == 'INSERT' ) {
$sql = <<<EOSQL
INSERT INTO calendar_item (user_no, dav_name, dav_id, dav_etag, uid, dtstamp,
dtstart, dtstart_orig, dtend, dtend_orig, summary, location, class, transp,
description, rrule, tz_id, last_modified, url, priority, created, due,
percent_complete, status, collection_id, first_instance_start,
last_instance_end )
VALUES ( :user_no, :dav_name, :dav_id, :etag, :uid, :dtstamp, :dtstart,
:dtstart_orig, $dtend, :dtend_orig, :summary, :location, :class, :transp,
:description, :rrule, :tzid, :modified, :url, :priority, :created, :due,
:percent_complete, :status, :collection_id, :first_instance_start,
:last_instance_end)
EOSQL;
$sync_change = 201;
$calitem_params[':collection_id'] = $collection_id;
$calitem_params[':user_no'] = $user_no;
$calitem_params[':dav_name'] = $path;
$calitem_params[':created'] = $dav_params[':created'];
}
else {
$sql = <<<EOSQL
UPDATE calendar_item SET dav_etag=:etag, uid=:uid, dtstamp=:dtstamp,
dtstart=:dtstart, dtstart_orig=:dtstart_orig, dtend=$dtend,
dtend_orig=:dtend_orig, summary=:summary, location=:location, class=:class,
transp=:transp, description=:description, rrule=:rrule, tz_id=:tzid,
last_modified=:modified, url=:url, priority=:priority, due=:due,
percent_complete=:percent_complete, status=:status,
first_instance_start=:first_instance_start,
last_instance_end=:last_instance_end
WHERE dav_id=:dav_id
EOSQL;
$sync_change = 200;
}
write_alarms($dav_id, $first);
write_attendees($dav_id, $vcal);
if ( $log_action && function_exists('log_caldav_action') ) {
log_caldav_action( $put_action_type, $first->GetPValue('UID'), $user_no, $collection_id, $path );
}
else if ( $log_action ) {
dbg_error_log( 'PUT', 'No log_caldav_action( %s, %s, %s, %s, %s) can be called.',
$put_action_type, $first->GetPValue('UID'), $user_no, $collection_id, $path );
}
$qry = new AwlQuery( $sql, $calitem_params );
if ( !$qry->Exec('PUT',__LINE__,__FILE__) ) {
rollback_on_error( $caldav_context, $user_no, $path);
return false;
}
$qry->QDo("SELECT write_sync_change( :collection_id, $sync_change, :dav_name)",
array(':collection_id' => $collection_id, ':dav_name' => $path ) );
$qry->Commit();
if ( function_exists('post_commit_action') ) {
post_commit_action( $put_action_type, $first->GetPValue('UID'), $user_no, $collection_id, $path );
}
// Uncache anything to do with the collection
$cache = getCacheInstance();
$cache_ns = 'collection-'.preg_replace( '{/[^/]*$}', '/', $path);
$cache->delete( $cache_ns, null );
dbg_error_log( 'PUT', 'User: %d, ETag: %s, Path: %s', $author, $etag, $path);
return true; // Success!
}
function simple_write_resource( $path, $caldav_data, $put_action_type, $write_action_log = false ) {
global $session;
$dav_resource = new DAVResource($path);
$etag = md5($caldav_data);
$collection_path = preg_replace( '#/[^/]*$#', '/', $path );
$collection = new DAVResource($collection_path);
if ( $collection->IsCollection() || $collection->IsSchedulingCollection() ) {
return write_resource( $dav_resource, $caldav_data, $collection, $session->user_no, $etag, $put_action_type, false, $write_action_log );
}
return false;
}
DAVPrincipal
Definition DAVPrincipal.php:20
DAVResource
Definition DAVResource.php:25
Principal
Definition Principal.php:19
RepeatRuleDateTime
Definition RRule.php:210
Rfc5545Duration
Definition RRule.php:77
WritableCollection
Definition WritableCollection.php:4
iSchedule
Definition iSchedule.php:26