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<?php
/**
* @copyright Copyright (c) 2019, Michael Weimann <mail@michael-weimann.eu>
*
* @author Michael Weimann <mail@michael-weimann.eu>
*
* @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 OC\Core\Controller;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\FileDisplayResponse;
use OCP\IAvatarManager;
use OCP\ILogger;
use OCP\IRequest;
/**
* This controller handles guest avatar requests.
*/
class GuestAvatarController extends Controller {
/**
* @var ILogger
*/
private $logger;
/**
* @var IAvatarManager
*/
private $avatarManager;
/**
* GuestAvatarController constructor.
*
* @param $appName
* @param IRequest $request
* @param IAvatarManager $avatarManager
* @param ILogger $logger
*/
public function __construct(
$appName,
IRequest $request,
IAvatarManager $avatarManager,
ILogger $logger
) {
parent::__construct($appName, $request);
$this->avatarManager = $avatarManager;
$this->logger = $logger;
}
/**
* Returns a guest avatar image response.
*
* @PublicPage
* @NoCSRFRequired
*
* @param string $guestName The guest name, e.g. "Albert"
* @param string $size The desired avatar size, e.g. 64 for 64x64px
* @return FileDisplayResponse|Http\Response
*/
public function getAvatar($guestName, $size) {
$size = (int) $size;
// min/max size
if ($size > 2048) {
$size = 2048;
} elseif ($size <= 0) {
$size = 64;
}
try {
$avatar = $this->avatarManager->getGuestAvatar($guestName);
$avatarFile = $avatar->getFile($size);
$resp = new FileDisplayResponse(
$avatarFile,
$avatar->isCustomAvatar() ? Http::STATUS_OK : Http::STATUS_CREATED,
['Content-Type' => $avatarFile->getMimeType()]
);
} catch (\Exception $e) {
$this->logger->error('error while creating guest avatar', [
'err' => $e,
]);
$resp = new Http\Response();
$resp->setStatus(Http::STATUS_INTERNAL_SERVER_ERROR);
return $resp;
}
// Cache for 30 minutes
$resp->cacheFor(1800);
return $resp;
}
}
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