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<?php
declare(strict_types=1);
namespace Sabre\CalDAV\Subscriptions;
use Sabre\DAV\INode;
use Sabre\DAV\PropFind;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
/**
* This plugin adds calendar-subscription support to your CalDAV server.
*
* Some clients support 'managed subscriptions' server-side. This is basically
* a list of subscription urls a user is using.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Plugin extends ServerPlugin
{
/**
* This initializes the plugin.
*
* This function is called by Sabre\DAV\Server, after
* addPlugin is called.
*
* This method should set up the required event subscriptions.
*
* @param Server $server
*/
public function initialize(Server $server)
{
$server->resourceTypeMapping['Sabre\\CalDAV\\Subscriptions\\ISubscription'] =
'{http://calendarserver.org/ns/}subscribed';
$server->xml->elementMap['{http://calendarserver.org/ns/}source'] =
'Sabre\\DAV\\Xml\\Property\\Href';
$server->on('propFind', [$this, 'propFind'], 150);
}
/**
* This method should return a list of server-features.
*
* This is for example 'versioning' and is added to the DAV: header
* in an OPTIONS response.
*
* @return array
*/
public function getFeatures()
{
return ['calendarserver-subscribed'];
}
/**
* Triggered after properties have been fetched.
*
* @param PropFind $propFind
* @param INode $node
*/
public function propFind(PropFind $propFind, INode $node)
{
// There's a bunch of properties that must appear as a self-closing
// xml-element. This event handler ensures that this will be the case.
$props = [
'{http://calendarserver.org/ns/}subscribed-strip-alarms',
'{http://calendarserver.org/ns/}subscribed-strip-attachments',
'{http://calendarserver.org/ns/}subscribed-strip-todos',
];
foreach ($props as $prop) {
if (200 === $propFind->getStatus($prop)) {
$propFind->set($prop, '', 200);
}
}
}
/**
* Returns a plugin name.
*
* Using this name other plugins will be able to access other plugins
* using \Sabre\DAV\Server::getPlugin
*
* @return string
*/
public function getPluginName()
{
return 'subscriptions';
}
/**
* Returns a bunch of meta-data about the plugin.
*
* Providing this information is optional, and is mainly displayed by the
* Browser plugin.
*
* The description key in the returned array may contain html and will not
* be sanitized.
*
* @return array
*/
public function getPluginInfo()
{
return [
'name' => $this->getPluginName(),
'description' => 'This plugin allows users to store iCalendar subscriptions in their calendar-home.',
'link' => null,
];
}
}
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