/**
* 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 DAV\INode $node
* @param array $requestedProperties
* @param array $returnedProperties
* @return void
*/
public function beforeGetProperties($path, DAV\INode $node, &$requestedProperties, &$returnedProperties)
{
if ($node instanceof 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 DAV\Property\Href($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 DAV\Property\Href($outboxPath);
}
// calendar-user-address-set property
$calProp = '{' . self::NS_CALDAV . '}calendar-user-address-set';
if (in_array($calProp, $requestedProperties)) {
$addresses = $node->getAlternateUriSet();
$addresses[] = $this->server->getBaseUri() . DAV\URLUtil::encodePath($node->getPrincipalUrl() . '/');
unset($requestedProperties[array_search($calProp, $requestedProperties)]);
$returnedProperties[200][$calProp] = new 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 ($groupNode instanceof Principal\IProxyRead) {
list($readList[]) = DAV\URLUtil::splitPath($group);
}
if ($groupNode instanceof Principal\IProxyWrite) {
list($writeList[]) = DAV\URLUtil::splitPath($group);
}
}
if (in_array($propRead, $requestedProperties)) {
unset($requestedProperties[$propRead]);
$returnedProperties[200][$propRead] = new DAV\Property\HrefList($readList);
}
if (in_array($propWrite, $requestedProperties)) {
unset($requestedProperties[$propWrite]);
$returnedProperties[200][$propWrite] = new 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 DAV\Property\Href($calendarHomePath);
}
}
// instanceof IPrincipal
if ($node instanceof 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 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.
$calDataProp = '{' . Plugin::NS_CALDAV . '}calendar-data';
if (in_array($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);
}
}
}
/**
* This event is triggered when a PROPPATCH method is executed
*
* @param array $mutations
* @param array $result
* @param DAV\INode $node
* @return bool
*/
public function updateProperties(&$mutations, &$result, DAV\INode $node)
{
if (!$node instanceof UserAddressBooks) {
return true;
}
$meCard = '{http://calendarserver.org/ns/}me-card';
// The only property we care about
if (!isset($mutations[$meCard])) {
return true;
}
$value = $mutations[$meCard];
unset($mutations[$meCard]);
if ($value instanceof DAV\Property\IHref) {
$value = $value->getHref();
$value = $this->server->calculateUri($value);
} elseif (!is_null($value)) {
$result[400][$meCard] = null;
return false;
}
$innerResult = $this->server->updateProperties($node->getOwner(), array('{http://sabredav.org/ns}vcard-url' => $value));
$closureResult = false;
foreach ($innerResult as $status => $props) {
if (is_array($props) && array_key_exists('{http://sabredav.org/ns}vcard-url', $props)) {
$result[$status][$meCard] = null;
$closureResult = $status >= 200 && $status < 300;
}
}
return $result;
}
/**
* This method intercepts PROPPATCH methods and make sure the
* group-member-set is updated correctly.
*
* @param array $propertyDelta
* @param array $result
* @param DAV\INode $node
* @return bool
*/
public function updateProperties(&$propertyDelta, &$result, DAV\INode $node)
{
if (!array_key_exists('{DAV:}group-member-set', $propertyDelta)) {
return;
}
if (is_null($propertyDelta['{DAV:}group-member-set'])) {
$memberSet = array();
} elseif ($propertyDelta['{DAV:}group-member-set'] instanceof DAV\Property\HrefList) {
$memberSet = array_map(array($this->server, 'calculateUri'), $propertyDelta['{DAV:}group-member-set']->getHrefs());
} else {
throw new DAV\Exception('The group-member-set property MUST be an instance of SabreForRainLoop\\DAV\\Property\\HrefList or null');
}
if (!$node instanceof IPrincipal) {
$result[403]['{DAV:}group-member-set'] = null;
unset($propertyDelta['{DAV:}group-member-set']);
// Returning false will stop the updateProperties process
return false;
}
$node->setGroupMemberSet($memberSet);
// We must also clear our cache, just in case
$this->principalMembershipCache = array();
$result[200]['{DAV:}group-member-set'] = null;
unset($propertyDelta['{DAV:}group-member-set']);
}
/**
* This method is trigged when a user attempts to update a node's
* properties.
*
* A previous draft of the sharing spec stated that it was possible to use
* PROPPATCH to remove 'shared-owner' from the resourcetype, thus unsharing
* the calendar.
*
* Even though this is no longer in the current spec, we keep this around
* because OS X 10.7 may still make use of this feature.
*
* @param array $mutations
* @param array $result
* @param DAV\INode $node
* @return void
*/
public function updateProperties(array &$mutations, array &$result, DAV\INode $node)
{
if (!$node instanceof IShareableCalendar) {
return;
}
if (!isset($mutations['{DAV:}resourcetype'])) {
return;
}
// Only doing something if shared-owner is indeed not in the list.
if ($mutations['{DAV:}resourcetype']->is('{' . Plugin::NS_CALENDARSERVER . '}shared-owner')) {
return;
}
$shares = $node->getShares();
$remove = array();
foreach ($shares as $share) {
$remove[] = $share['href'];
}
$node->updateShares(array(), $remove);
// We're marking this update as 200 OK
$result[200]['{DAV:}resourcetype'] = null;
// Removing it from the mutations list
unset($mutations['{DAV:}resourcetype']);
}