/**
* beforeGetProperties
*
* This method handler is invoked before any after properties for a
* resource are fetched. This allows us to add in any CalDAV specific
* properties.
*
* @param string $path
* @param Sabre_DAV_INode $node
* @param array $requestedProperties
* @param array $returnedProperties
* @return void
*/
public function beforeGetProperties($path, Sabre_DAV_INode $node, &$requestedProperties, &$returnedProperties)
{
if ($node instanceof Sabre_DAVACL_IPrincipal) {
// calendar-home-set property
$calHome = '{' . self::NS_CALDAV . '}calendar-home-set';
if (in_array($calHome, $requestedProperties)) {
$principalId = $node->getName();
$calendarHomePath = self::CALENDAR_ROOT . '/' . $principalId . '/';
unset($requestedProperties[array_search($calHome, $requestedProperties)]);
$returnedProperties[200][$calHome] = new Sabre_DAV_Property_Href(Sabre_DAV_URLUtil::encodePath($calendarHomePath));
}
// schedule-outbox-URL property
$scheduleProp = '{' . self::NS_CALDAV . '}schedule-outbox-URL';
if (in_array($scheduleProp, $requestedProperties)) {
$principalId = $node->getName();
$outboxPath = self::CALENDAR_ROOT . '/' . $principalId . '/outbox';
unset($requestedProperties[array_search($scheduleProp, $requestedProperties)]);
$returnedProperties[200][$scheduleProp] = new Sabre_DAV_Property_Href(Sabre_DAV_URLUtil::encodePath($outboxPath));
}
// calendar-user-address-set property
$calProp = '{' . self::NS_CALDAV . '}calendar-user-address-set';
if (in_array($calProp, $requestedProperties)) {
$addresses = $node->getAlternateUriSet();
$addresses[] = Sabre_DAV_URLUtil::encodePath($this->server->getBaseUri() . $node->getPrincipalUrl() . '/');
unset($requestedProperties[array_search($calProp, $requestedProperties)]);
$returnedProperties[200][$calProp] = new Sabre_DAV_Property_HrefList($addresses, false);
}
// These two properties are shortcuts for ical to easily find
// other principals this principal has access to.
$propRead = '{' . self::NS_CALENDARSERVER . '}calendar-proxy-read-for';
$propWrite = '{' . self::NS_CALENDARSERVER . '}calendar-proxy-write-for';
if (in_array($propRead, $requestedProperties) || in_array($propWrite, $requestedProperties)) {
$aclPlugin = $this->server->getPlugin('acl');
$membership = $aclPlugin->getPrincipalMembership($path);
$readList = array();
$writeList = array();
foreach ($membership as $group) {
$groupNode = $this->server->tree->getNodeForPath($group);
// If the node is either ap proxy-read or proxy-write
// group, we grab the parent principal and add it to the
// list.
if ($groupNode instanceof Sabre_CalDAV_Principal_ProxyRead) {
list($readList[]) = Sabre_DAV_URLUtil::encodePath(Sabre_DAV_URLUtil::splitPath($group));
}
if ($groupNode instanceof Sabre_CalDAV_Principal_ProxyWrite) {
list($writeList[]) = Sabre_DAV_URLUtil::encodePath(Sabre_DAV_URLUtil::splitPath($group));
}
}
if (in_array($propRead, $requestedProperties)) {
unset($requestedProperties[$propRead]);
$returnedProperties[200][$propRead] = new Sabre_DAV_Property_HrefList($readList);
}
if (in_array($propWrite, $requestedProperties)) {
unset($requestedProperties[$propWrite]);
$returnedProperties[200][$propWrite] = new Sabre_DAV_Property_HrefList($writeList);
}
}
// notification-URL property
$notificationUrl = '{' . self::NS_CALENDARSERVER . '}notification-URL';
if (($index = array_search($notificationUrl, $requestedProperties)) !== false) {
$principalId = $node->getName();
$calendarHomePath = 'calendars/' . $principalId . '/notifications/';
unset($requestedProperties[$index]);
$returnedProperties[200][$notificationUrl] = new Sabre_DAV_Property_Href(Sabre_DAV_URLUtil::encodePath($calendarHomePath));
}
}
// instanceof IPrincipal
if ($node instanceof Sabre_CalDAV_Notifications_INode) {
$propertyName = '{' . self::NS_CALENDARSERVER . '}notificationtype';
if (($index = array_search($propertyName, $requestedProperties)) !== false) {
$returnedProperties[200][$propertyName] = $node->getNotificationType();
unset($requestedProperties[$index]);
}
}
// instanceof Notifications_INode
if ($node instanceof Sabre_CalDAV_ICalendarObject) {
// The calendar-data property is not supposed to be a 'real'
// property, but in large chunks of the spec it does act as such.
// Therefore we simply expose it as a property.
$calDataProp = '{' . Sabre_CalDAV_Plugin::NS_CALDAV . '}calendar-data';
if (in_array($calDataProp, $requestedProperties)) {
unset($requestedProperties[$calDataProp]);
$val = $node->get();
if (is_resource($val)) {
$val = stream_get_contents($val);
}
// Taking out \r to not screw up the xml output
$returnedProperties[200][$calDataProp] = str_replace("\r", "", $val);
}
}
}
