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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2019 John Molakvoæ <skjnldsv@protonmail.com>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\DAV\CardDAV;
use Sabre\CardDAV\Card;
use Sabre\DAV\INode;
use Sabre\DAV\PropFind;
use Sabre\DAV\Server;
use Sabre\DAV\ServerPlugin;
use Sabre\VObject\Component\VCard;
use Sabre\VObject\Reader;
class HasPhotoPlugin extends ServerPlugin {
/** @var Server */
protected $server;
/**
* Initializes the plugin and registers event handlers
*
* @param Server $server
* @return void
*/
public function initialize(Server $server) {
$server->on('propFind', [$this, 'propFind']);
}
/**
* Adds all CardDAV-specific properties
*
* @param PropFind $propFind
* @param INode $node
* @return void
*/
public function propFind(PropFind $propFind, INode $node) {
$ns = '{http://nextcloud.com/ns}';
if ($node instanceof Card) {
$propFind->handle($ns . 'has-photo', function () use ($node) {
$vcard = Reader::read($node->get());
return $vcard instanceof VCard
&& $vcard->PHOTO
// Either the PHOTO is a url (doesn't start with data:) or the mimetype has to start with image/
&& (strpos($vcard->PHOTO->getValue(), 'data:') !== 0
|| strpos($vcard->PHOTO->getValue(), 'data:image/') === 0)
;
});
}
}
/**
* 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 'vcard-has-photo';
}
/**
* 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' => 'Return a boolean stating if the vcard have a photo property set or not.'
];
}
}
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