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Plugin.php
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Plugin.php
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<?php
namespace Sabre\DAV\PropertyStorage;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
use Sabre\DAV\PropPatch;
use Sabre\DAV\PropFind;
use Sabre\DAV\INode;
/**
* PropertyStorage Plugin.
*
* Adding this plugin to your server allows clients to store any arbitrary
* WebDAV property.
*
* See:
* http://sabre.io/dav/property-storage/
*
* for more information.
*
* @copyright Copyright (C) 2007-2015 fruux GmbH. (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Plugin extends ServerPlugin {
/**
* If you only want this plugin to store properties for a limited set of
* paths, you can use a pathFilter to do this.
*
* The pathFilter should be a callable. The callable retrieves a path as
* its argument, and should return true or false wether it allows
* properties to be stored.
*
* @var callable
*/
public $pathFilter;
/**
* Creates the plugin
*
* @param Backend\BackendInterface $backend
*/
function __construct(Backend\BackendInterface $backend) {
$this->backend = $backend;
}
/**
* 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
* @return void
*/
function initialize(Server $server) {
$server->on('propFind', [$this, 'propFind'], 130);
$server->on('propPatch', [$this, 'propPatch'], 300);
$server->on('afterMove', [$this, 'afterMove']);
$server->on('afterUnbind', [$this, 'afterUnbind']);
}
/**
* Called during PROPFIND operations.
*
* If there's any requested properties that don't have a value yet, this
* plugin will look in the property storage backend to find them.
*
* @param PropFind $propFind
* @param INode $node
* @return void
*/
function propFind(PropFind $propFind, INode $node) {
$path = $propFind->getPath();
$pathFilter = $this->pathFilter;
if ($pathFilter && !$pathFilter($path)) return;
$this->backend->propFind($propFind->getPath(), $propFind);
}
/**
* Called during PROPPATCH operations
*
* If there's any updated properties that haven't been stored, the
* propertystorage backend can handle it.
*
* @param string $path
* @param PropPatch $propPatch
* @return void
*/
function propPatch($path, PropPatch $propPatch) {
$pathFilter = $this->pathFilter;
if ($pathFilter && !$pathFilter($path)) return;
$this->backend->propPatch($path, $propPatch);
}
/**
* Called after a node is deleted.
*
* This allows the backend to clean up any properties still in the
* database.
*
* @param string $path
* @return void
*/
function afterUnbind($path) {
$pathFilter = $this->pathFilter;
if ($pathFilter && !$pathFilter($path)) return;
$this->backend->delete($path);
}
/**
* Called after a node is moved.
*
* This allows the backend to move all the associated properties.
*
* @param string $source
* @param string $destination
* @return void
*/
function afterMove($source, $destination) {
$pathFilter = $this->pathFilter;
if ($pathFilter && !$pathFilter($source)) return;
// If the destination is filtered, afterUnbind will handle cleaning up
// the properties.
if ($pathFilter && !$pathFilter($destination)) return;
$this->backend->move($source, $destination);
}
/**
* Returns a plugin name.
*
* Using this name other plugins will be able to access other plugins
* using \Sabre\DAV\Server::getPlugin
*
* @return string
*/
function getPluginName() {
return 'property-storage';
}
/**
* 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
*/
function getPluginInfo() {
return [
'name' => $this->getPluginName(),
'description' => 'This plugin allows any arbitrary WebDAV property to be set on any resource.',
'link' => 'http://sabre.io/dav/property-storage/',
];
}
}

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