/**
* This method is responsible for parsing a free-busy query request and
* returning it's result.
*
* @param Sabre_CalDAV_Schedule_IOutbox $outbox
* @param string $request
* @return string
*/
protected function handleFreeBusyRequest(Sabre_CalDAV_Schedule_IOutbox $outbox, VObject\Component $vObject)
{
$vFreeBusy = $vObject->VFREEBUSY;
$organizer = $vFreeBusy->organizer;
$organizer = (string) $organizer;
// Validating if the organizer matches the owner of the inbox.
$owner = $outbox->getOwner();
$caldavNS = '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}';
$uas = $caldavNS . 'calendar-user-address-set';
$props = $this->server->getProperties($owner, array($uas));
if (empty($props[$uas]) || !in_array($organizer, $props[$uas]->getHrefs())) {
throw new Sabre_DAV_Exception_Forbidden('The organizer in the request did not match any of the addresses for the owner of this inbox');
}
if (!isset($vFreeBusy->ATTENDEE)) {
throw new Sabre_DAV_Exception_BadRequest('You must at least specify 1 attendee');
}
$attendees = array();
foreach ($vFreeBusy->ATTENDEE as $attendee) {
$attendees[] = (string) $attendee;
}
if (!isset($vFreeBusy->DTSTART) || !isset($vFreeBusy->DTEND)) {
throw new Sabre_DAV_Exception_BadRequest('DTSTART and DTEND must both be specified');
}
$startRange = $vFreeBusy->DTSTART->getDateTime();
$endRange = $vFreeBusy->DTEND->getDateTime();
$results = array();
foreach ($attendees as $attendee) {
$results[] = $this->getFreeBusyForEmail($attendee, $startRange, $endRange, $vObject);
}
$dom = new DOMDocument('1.0', 'utf-8');
$dom->formatOutput = true;
$scheduleResponse = $dom->createElement('cal:schedule-response');
foreach ($this->server->xmlNamespaces as $namespace => $prefix) {
$scheduleResponse->setAttribute('xmlns:' . $prefix, $namespace);
}
$dom->appendChild($scheduleResponse);
foreach ($results as $result) {
$response = $dom->createElement('cal:response');
$recipient = $dom->createElement('cal:recipient');
$recipientHref = $dom->createElement('d:href');
$recipientHref->appendChild($dom->createTextNode($result['href']));
$recipient->appendChild($recipientHref);
$response->appendChild($recipient);
$reqStatus = $dom->createElement('cal:request-status');
$reqStatus->appendChild($dom->createTextNode($result['request-status']));
$response->appendChild($reqStatus);
if (isset($result['calendar-data'])) {
$calendardata = $dom->createElement('cal:calendar-data');
$calendardata->appendChild($dom->createTextNode(str_replace("\r\n", "\n", $result['calendar-data']->serialize())));
$response->appendChild($calendardata);
}
$scheduleResponse->appendChild($response);
}
$this->server->httpResponse->sendStatus(200);
$this->server->httpResponse->setHeader('Content-Type', 'application/xml');
$this->server->httpResponse->sendBody($dom->saveXML());
}
/**
* This method handles POST requests to the schedule-outbox
*
* @param Sabre_CalDAV_Schedule_IOutbox $outboxNode
* @return void
*/
public function outboxRequest(Sabre_CalDAV_Schedule_IOutbox $outboxNode)
{
$originator = $this->server->httpRequest->getHeader('Originator');
$recipients = $this->server->httpRequest->getHeader('Recipient');
if (!$originator) {
throw new Sabre_DAV_Exception_BadRequest('The Originator: header must be specified when making POST requests');
}
if (!$recipients) {
throw new Sabre_DAV_Exception_BadRequest('The Recipient: header must be specified when making POST requests');
}
if (!preg_match('/^mailto:(.*)@(.*)$/', $originator)) {
throw new Sabre_DAV_Exception_BadRequest('Originator must start with mailto: and must be valid email address');
}
$originator = substr($originator, 7);
$recipients = explode(',', $recipients);
foreach ($recipients as $k => $recipient) {
$recipient = trim($recipient);
if (!preg_match('/^mailto:(.*)@(.*)$/', $recipient)) {
throw new Sabre_DAV_Exception_BadRequest('Recipients must start with mailto: and must be valid email address');
}
$recipient = substr($recipient, 7);
$recipients[$k] = $recipient;
}
// We need to make sure that 'originator' matches one of the email
// addresses of the selected principal.
$principal = $outboxNode->getOwner();
$props = $this->server->getProperties($principal, array('{' . self::NS_CALDAV . '}calendar-user-address-set'));
$addresses = array();
if (isset($props['{' . self::NS_CALDAV . '}calendar-user-address-set'])) {
$addresses = $props['{' . self::NS_CALDAV . '}calendar-user-address-set']->getHrefs();
}
if (!in_array('mailto:' . $originator, $addresses)) {
throw new Sabre_DAV_Exception_Forbidden('The addresses specified in the Originator header did not match any addresses in the owners calendar-user-address-set header');
}
try {
$vObject = Sabre_VObject_Reader::read($this->server->httpRequest->getBody(true));
} catch (Sabre_VObject_ParseException $e) {
throw new Sabre_DAV_Exception_BadRequest('The request body must be a valid iCalendar object. Parse error: ' . $e->getMessage());
}
// Checking for the object type
$componentType = null;
foreach ($vObject->getComponents() as $component) {
if ($component->name !== 'VTIMEZONE') {
$componentType = $component->name;
break;
}
}
if (is_null($componentType)) {
throw new Sabre_DAV_Exception_BadRequest('We expected at least one VTODO, VJOURNAL, VFREEBUSY or VEVENT component');
}
// Validating the METHOD
$method = strtoupper((string) $vObject->METHOD);
if (!$method) {
throw new Sabre_DAV_Exception_BadRequest('A METHOD property must be specified in iTIP messages');
}
if (in_array($method, array('REQUEST', 'REPLY', 'ADD', 'CANCEL')) && $componentType === 'VEVENT') {
$this->iMIPMessage($originator, $recipients, $vObject, $principal);
$this->server->httpResponse->sendStatus(200);
$this->server->httpResponse->sendBody('Messages sent');
} else {
throw new Sabre_DAV_Exception_NotImplemented('This iTIP method is currently not implemented');
}
}
/**
* This method is responsible for parsing a free-busy query request and
* returning it's result.
*
* @param Sabre_DAV_INode $node
* @param string $request
* @return string
*/
protected function handleFreeBusyRequest(Sabre_CalDAV_Schedule_IOutbox $outbox, $request)
{
$vObject = Sabre_VObject_Reader::read($request);
$method = (string) $vObject->method;
if ($method !== 'REQUEST') {
throw new Sabre_DAV_Exception_BadRequest('The iTip object must have a METHOD:REQUEST property');
}
$vFreeBusy = $vObject->VFREEBUSY;
if (!$vFreeBusy) {
throw new Sabre_DAV_Exception_BadRequest('The iTip object must have a VFREEBUSY component');
}
$organizer = $vFreeBusy->organizer;
$organizer = (string) $organizer;
// Validating if the organizer matches the owner of the inbox.
$owner = $outbox->getOwner();
$caldavNS = '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}';
$uas = $caldavNS . 'calendar-user-address-set';
$props = $this->server->getProperties($owner, array($uas));
if (empty($props[$uas]) || !in_array($organizer, $props[$uas]->getHrefs())) {
throw new Sabre_DAV_Exception_Forbidden('The organizer in the request did not match any of the addresses for the owner of this inbox');
}
if (!isset($vFreeBusy->ATTENDEE)) {
throw new Sabre_DAV_Exception_BadRequest('You must at least specify 1 attendee');
}
$attendees = array();
foreach ($vFreeBusy->ATTENDEE as $attendee) {
$attendees[] = (string) $attendee;
}
if (!isset($vFreeBusy->DTSTART) || !isset($vFreeBusy->DTEND)) {
throw new Sabre_DAV_Exception_BadRequest('DTSTART and DTEND must both be specified');
}
$startRange = $vFreeBusy->DTSTART->getDateTime();
$endRange = $vFreeBusy->DTEND->getDateTime();
$results = array();
foreach ($attendees as $k => $attendee) {
$results[] = $this->getFreeBusyForEmailTine20($attendee, $startRange, $endRange, $vObject);
}
$dom = new DOMDocument('1.0', 'utf-8');
$dom->formatOutput = true;
$scheduleResponse = $dom->createElementNS(Sabre_CalDAV_Plugin::NS_CALDAV, 'cal:schedule-response');
$dom->appendChild($scheduleResponse);
foreach ($results as $result) {
$response = $dom->createElement('cal:response');
$recipient = $dom->createElement('cal:recipient');
$recipient->appendChild($dom->createTextNode($result['href']));
$response->appendChild($recipient);
$reqStatus = $dom->createElement('cal:request-status');
$reqStatus->appendChild($dom->createTextNode($result['request-status']));
$response->appendChild($reqStatus);
if (isset($result['calendar-data'])) {
$calendardata = $dom->createElement('cal:calendar-data');
$calendardata->appendChild($dom->createTextNode(str_replace("\r\n", "\n", $result['calendar-data']->serialize())));
$response->appendChild($calendardata);
}
$scheduleResponse->appendChild($response);
}
return $dom->saveXML();
}