public function __construct($in_dtz = null) { $this->tz_defined = false; if (!isset($in_dtz)) { return; } $olson = olson_from_tzstring($in_dtz); if (isset($olson)) { try { parent::__construct($olson); $this->tz_defined = $olson; } catch (Exception $e) { dbg_error_log('ERROR', 'Could not handle timezone "%s" (%s) - will use floating time', $in_dtz, $olson); parent::__construct('UTC'); $this->tz_defined = false; } } else { dbg_error_log('ERROR', 'Could not recognize timezone "%s" - will use floating time', $in_dtz); parent::__construct('UTC'); $this->tz_defined = false; } }
/** * @DEPRECATED: This class will be removed soon. * Save any timezones by TZID in the PostgreSQL database for future re-use. */ function SaveTimeZones() { global $c; deprecated('iCalendar::SaveTimeZones'); $this->tzid_list = array_keys($this->component->CollectParameterValues('TZID')); if (!isset($this->tzid) && count($this->tzid_list) > 0) { dbg_error_log('iCalendar', "::TZID_List[0] = '%s', count=%d", $this->tzid_list[0], count($this->tzid_list)); $this->tzid = $this->tzid_list[0]; } $timezones = $this->component->GetComponents('VTIMEZONE'); if ($timezones === false || count($timezones) == 0) { return; } $this->vtimezone = $timezones[0]->Render(); // Backward compatibility $tzid = $this->Get('TZID'); if (isset($c->save_time_zone_defs) && $c->save_time_zone_defs) { foreach ($timezones as $k => $tz) { $tzid = $tz->GetPValue('TZID'); $qry = new AwlQuery("SELECT tz_locn FROM time_zone WHERE tz_id = ?;", $tzid); if ($qry->Exec('iCalendar') && $qry->rows() == 1) { $row = $qry->Fetch(); if (!isset($first_tzid)) { $first_tzid = $row->tz_locn; } continue; } if ($tzid != "" && $qry->rows() == 0) { $tzname = $tz->GetPValue('X-LIC-LOCATION'); if (!isset($tzname)) { $tzname = olson_from_tzstring($tzid); } $qry2 = new AwlQuery("INSERT INTO time_zone (tz_id, tz_locn, tz_spec) VALUES( ?, ?, ? );", $tzid, $tzname, $tz->Render()); $qry2->Exec('iCalendar'); } } } if (!isset($this->tzid) && isset($first_tzid)) { $this->tzid = $first_tzid; } if ((!isset($this->tz_locn) || $this->tz_locn == '') && isset($first_tzid) && $first_tzid != '') { $tzname = preg_replace('#^(.*[^a-z])?([a-z]+/[a-z]+)$#i', '$2', $first_tzid); if (preg_match('#\\S+/\\S+#', $tzname)) { $this->tz_locn = $tzname; } dbg_error_log('iCalendar', " TZCrap1: TZID '%s', Location '%s', Perhaps: %s", $tzid, $this->tz_locn, $tzname); } if ((!isset($this->tz_locn) || $this->tz_locn == "") && isset($c->local_tzid)) { $this->tz_locn = $c->local_tzid; } if (!isset($this->tzid) && isset($this->tz_locn)) { $this->tzid = $this->tz_locn; } }
/** * Actually write the resource to the database. All checking of whether this is reasonable * should be done before this is called. * * @param DAVResource $resource The resource being written * @param string $caldav_data The actual data to be written * @param DAVResource $collection The collection containing the resource being written * @param int $author The user_no who wants to put this resource on the server * @param string $etag An etag unique for this event * @param string $put_action_type INSERT or UPDATE depending on what we are to do * @param boolean $caldav_context True, if we are responding via CalDAV, false for other ways of calling this * @param string Either 'INSERT' or 'UPDATE': the type of action we are doing * @param boolean $log_action Whether to log the fact that we are writing this into an action log (if configured) * @param string $weak_etag An etag that is NOT modified on ATTENDEE changes for this event * * @return boolean True for success, false for failure. */ 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])) { $resource_type = 'Unknown'; /** @todo Handle writing non-calendar resources, like address book entries or random file data */ rollback_on_error($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(); $dav_params = array(':etag' => $etag, ':dav_data' => $caldav_data, ':caldav_type' => $resource_type, ':session_user' => $author, ':weak_etag' => $weak_etag); $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, $create_resource ? 'create' : 'update'); rollback_on_error($caldav_context, $user_no, $path); return false; } $dav_id = $row->dav_id; $old_dav_data = $row->caldav_data; $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 = $first->GetPValue('DTSTART'); if (empty($dtstart)) { $dtstart = $due; } $calitem_params[':dtstart'] = $dtstart; $dtend = $first->GetPValue('DTEND'); if (isset($dtend) && $dtend != '') { dbg_error_log('PUT', ' DTEND: "%s", DTSTART: "%s", DURATION: "%s"', $dtend, $dtstart, $first->GetPValue('DURATION')); $calitem_params[':dtend'] = $dtend; $dtend = ':dtend'; } else { // 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') { /** * From RFC2445 4.6.1: * For cases where a "VEVENT" calendar component specifies a "DTSTART" * property with a DATE data type but no "DTEND" property, the events * non-inclusive end is the end of the calendar date specified by the * "DTSTART" property. For cases where a "VEVENT" calendar component specifies * a "DTSTART" property with a DATE-TIME data type but no "DTEND" property, * the event ends on the same calendar date and time of day specified by the * "DTSTART" property. * * So we're looking for 'VALUE=DATE', to identify the duration, effectively. * */ $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 = $first->GetPValue('CLASS'); /* Check and see if we should over ride the class. */ /** @todo is there some way we can move this out of this function? Or at least get rid of the need for the SQL query here. */ if (public_events_only($user_no, $path)) { $class = 'PUBLIC'; } /* * It seems that some calendar clients don't set a class... * RFC2445, 4.8.1.3: * Default is PUBLIC */ if (!isset($class) || $class == '') { $class = 'PUBLIC'; } $calitem_params[':class'] = $class; /** Calculate what timezone to set, first, if possible */ $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) { /** * We'll skip any tz definitions that are for a TZID other than the DTSTART/DUE on the first VEVENT/VTODO */ 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'] = $first->GetPValue('STATUS'); if (!$collection->IsSchedulingCollection()) { if (do_scheduling_requests($vcal, $put_action_type == 'INSERT', $old_dav_data, true)) { $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') { $sql = <<<EOSQL INSERT INTO calendar_item (user_no, dav_name, dav_id, dav_etag, uid, dtstamp, dtstart, dtend, summary, location, class, transp, description, rrule, tz_id, last_modified, url, priority, created, due, percent_complete, status, collection_id ) VALUES ( :user_no, :dav_name, :dav_id, :etag, :uid, :dtstamp, :dtstart, {$dtend}, :summary, :location, :class, :transp, :description, :rrule, :tzid, :modified, :url, :priority, :created, :due, :percent_complete, :status, :collection_id ) 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 { $sql = <<<EOSQL UPDATE calendar_item SET dav_etag=:etag, uid=:uid, dtstamp=:dtstamp, dtstart=:dtstart, dtend={$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 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(':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! }