/**
* '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;
}
/**
* 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']));
}