/**
  * 'beforeMethod' event handles. This event handles intercepts GET requests ending
  * with ?export
  *
  * @param string $method
  * @param string $uri
  * @return bool
  */
 public function beforeMethod($method, $uri)
 {
     if ($method != 'GET') {
         return;
     }
     if ($this->server->httpRequest->getQueryString() != 'export') {
         return;
     }
     // splitting uri
     list($uri) = explode('?', $uri, 2);
     $node = $this->server->tree->getNodeForPath($uri);
     if (!$node instanceof Calendar) {
         return;
     }
     // Checking ACL, if available.
     if ($aclPlugin = $this->server->getPlugin('acl')) {
         $aclPlugin->checkPrivileges($uri, '{DAV:}read');
     }
     $this->server->httpResponse->setHeader('Content-Type', 'text/calendar');
     $this->server->httpResponse->sendStatus(200);
     $nodes = $this->server->getPropertiesForPath($uri, array('{' . Plugin::NS_CALDAV . '}calendar-data'), 1);
     $this->server->httpResponse->sendBody($this->generateICS($nodes));
     // Returning false to break the event chain
     return false;
 }
Esempio n. 2
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 /**
  * This function handles the calendar-query REPORT
  *
  * This report is used by clients to request calendar objects based on
  * complex conditions.
  *
  * @param \DOMNode $dom
  * @return void
  */
 public function calendarQueryReport($dom)
 {
     $parser = new CalendarQueryParser($dom);
     $parser->parse();
     $node = $this->server->tree->getNodeForPath($this->server->getRequestUri());
     $depth = $this->server->getHTTPDepth(0);
     // The default result is an empty array
     $result = array();
     // The calendarobject was requested directly. In this case we handle
     // this locally.
     if ($depth == 0 && $node instanceof ICalendarObject) {
         $requestedCalendarData = true;
         $requestedProperties = $parser->requestedProperties;
         if (!in_array('{urn:ietf:params:xml:ns:caldav}calendar-data', $requestedProperties)) {
             // We always retrieve calendar-data, as we need it for filtering.
             $requestedProperties[] = '{urn:ietf:params:xml:ns:caldav}calendar-data';
             // If calendar-data wasn't explicitly requested, we need to remove
             // it after processing.
             $requestedCalendarData = false;
         }
         $properties = $this->server->getPropertiesForPath($this->server->getRequestUri(), $requestedProperties, 0);
         // This array should have only 1 element, the first calendar
         // object.
         $properties = current($properties);
         // If there wasn't any calendar-data returned somehow, we ignore
         // this.
         if (isset($properties[200]['{urn:ietf:params:xml:ns:caldav}calendar-data'])) {
             $validator = new CalendarQueryValidator();
             $vObject = VObject\Reader::read($properties[200]['{urn:ietf:params:xml:ns:caldav}calendar-data']);
             if ($validator->validate($vObject, $parser->filters)) {
                 // If the client didn't require the calendar-data property,
                 // we won't give it back.
                 if (!$requestedCalendarData) {
                     unset($properties[200]['{urn:ietf:params:xml:ns:caldav}calendar-data']);
                 } else {
                     if ($parser->expand) {
                         $vObject->expand($parser->expand['start'], $parser->expand['end']);
                         $properties[200]['{' . self::NS_CALDAV . '}calendar-data'] = $vObject->serialize();
                     }
                 }
                 $result = array($properties);
             }
         }
     }
     // If we're dealing with a calendar, the calendar itself is responsible
     // for the calendar-query.
     if ($node instanceof ICalendar && ($depth = 1)) {
         $nodePaths = $node->calendarQuery($parser->filters);
         foreach ($nodePaths as $path) {
             list($properties) = $this->server->getPropertiesForPath($this->server->getRequestUri() . '/' . $path, $parser->requestedProperties);
             if ($parser->expand) {
                 // We need to do some post-processing
                 $vObject = VObject\Reader::read($properties[200]['{urn:ietf:params:xml:ns:caldav}calendar-data']);
                 $vObject->expand($parser->expand['start'], $parser->expand['end']);
                 $properties[200]['{' . self::NS_CALDAV . '}calendar-data'] = $vObject->serialize();
             }
             $result[] = $properties;
         }
     }
     $prefer = $this->server->getHTTPPRefer();
     $this->server->httpResponse->sendStatus(207);
     $this->server->httpResponse->setHeader('Content-Type', 'application/xml; charset=utf-8');
     $this->server->httpResponse->setHeader('Vary', 'Brief,Prefer');
     $this->server->httpResponse->sendBody($this->server->generateMultiStatus($result, $prefer['return-minimal']));
 }