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<?php
namespace Sabre\CalDAV\Subscriptions;
use Sabre\DAV\Collection;
use Sabre\DAV\Xml\Property\Href;
use Sabre\DAV\PropPatch;
use Sabre\DAV\Exception\MethodNotAllowed;
use Sabre\DAVACL\IACL;
use Sabre\CalDAV\Backend\SubscriptionSupport;
/**
* Subscription Node
*
* This node represents a subscription.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Subscription extends Collection implements ISubscription, IACL {
/**
* caldavBackend
*
* @var SupportsSubscriptions
*/
protected $caldavBackend;
/**
* subscriptionInfo
*
* @var array
*/
protected $subscriptionInfo;
/**
* Constructor
*
* @param SubscriptionSupport $caldavBackend
* @param array $calendarInfo
*/
function __construct(SubscriptionSupport $caldavBackend, array $subscriptionInfo) {
$this->caldavBackend = $caldavBackend;
$this->subscriptionInfo = $subscriptionInfo;
$required = [
'id',
'uri',
'principaluri',
'source',
];
foreach ($required as $r) {
if (!isset($subscriptionInfo[$r])) {
throw new \InvalidArgumentException('The ' . $r . ' field is required when creating a subscription node');
}
}
}
/**
* Returns the name of the node.
*
* This is used to generate the url.
*
* @return string
*/
function getName() {
return $this->subscriptionInfo['uri'];
}
/**
* Returns the last modification time
*
* @return int
*/
function getLastModified() {
if (isset($this->subscriptionInfo['lastmodified'])) {
return $this->subscriptionInfo['lastmodified'];
}
}
/**
* Deletes the current node
*
* @return void
*/
function delete() {
$this->caldavBackend->deleteSubscription(
$this->subscriptionInfo['id']
);
}
/**
* Returns an array with all the child nodes
*
* @return DAV\INode[]
*/
function getChildren() {
return [];
}
/**
* Updates properties on this node.
*
* This method received a PropPatch object, which contains all the
* information about the update.
*
* To update specific properties, call the 'handle' method on this object.
* Read the PropPatch documentation for more information.
*
* @param PropPatch $propPatch
* @return void
*/
function propPatch(PropPatch $propPatch) {
return $this->caldavBackend->updateSubscription(
$this->subscriptionInfo['id'],
$propPatch
);
}
/**
* Returns a list of properties for this nodes.
*
* The properties list is a list of propertynames the client requested,
* encoded in clark-notation {xmlnamespace}tagname.
*
* If the array is empty, it means 'all properties' were requested.
*
* Note that it's fine to liberally give properties back, instead of
* conforming to the list of requested properties.
* The Server class will filter out the extra.
*
* @param array $properties
* @return void
*/
function getProperties($properties) {
$r = [];
foreach ($properties as $prop) {
switch ($prop) {
case '{http://calendarserver.org/ns/}source' :
$r[$prop] = new Href($this->subscriptionInfo['source'], false);
break;
default :
if (array_key_exists($prop, $this->subscriptionInfo)) {
$r[$prop] = $this->subscriptionInfo[$prop];
}
break;
}
}
return $r;
}
/**
* Returns the owner principal.
*
* This must be a url to a principal, or null if there's no owner
*
* @return string|null
*/
function getOwner() {
return $this->subscriptionInfo['principaluri'];
}
/**
* Returns a group principal.
*
* This must be a url to a principal, or null if there's no owner
*
* @return string|null
*/
function getGroup() {
return null;
}
/**
* Returns a list of ACE's for this node.
*
* Each ACE has the following properties:
* * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
* currently the only supported privileges
* * 'principal', a url to the principal who owns the node
* * 'protected' (optional), indicating that this ACE is not allowed to
* be updated.
*
* @return array
*/
function getACL() {
return [
[
'privilege' => '{DAV:}read',
'principal' => $this->getOwner(),
'protected' => true,
],
[
'privilege' => '{DAV:}write',
'principal' => $this->getOwner(),
'protected' => true,
],
[
'privilege' => '{DAV:}read',
'principal' => $this->getOwner() . '/calendar-proxy-write',
'protected' => true,
],
[
'privilege' => '{DAV:}write',
'principal' => $this->getOwner() . '/calendar-proxy-write',
'protected' => true,
],
[
'privilege' => '{DAV:}read',
'principal' => $this->getOwner() . '/calendar-proxy-read',
'protected' => true,
]
];
}
/**
* Updates the ACL.
*
* This method will receive a list of new ACE's.
*
* @param array $acl
* @return void
*/
function setACL(array $acl) {
throw new MethodNotAllowed('Changing ACL is not yet supported');
}
/**
* Returns the list of supported privileges for this node.
*
* The returned data structure is a list of nested privileges.
* See \Sabre\DAVACL\Plugin::getDefaultSupportedPrivilegeSet for a simple
* standard structure.
*
* If null is returned from this method, the default privilege set is used,
* which is fine for most common usecases.
*
* @return array|null
*/
function getSupportedPrivilegeSet() {
return null;
}
}
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