93 lines
2.7 KiB
PHP
93 lines
2.7 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
|
||
|
|
*
|
||
|
|
* @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\App\AppStore\Fetcher;
|
||
|
|
|
||
|
|
use OCP\AppFramework\Utility\ITimeFactory;
|
||
|
|
use OCP\Files\IAppData;
|
||
|
|
use OCP\Files\NotFoundException;
|
||
|
|
use OCP\Http\Client\IClientService;
|
||
|
|
|
||
|
|
abstract class Fetcher {
|
||
|
|
const INVALIDATE_AFTER_SECONDS = 300;
|
||
|
|
|
||
|
|
/** @var IAppData */
|
||
|
|
private $appData;
|
||
|
|
/** @var IClientService */
|
||
|
|
private $clientService;
|
||
|
|
/** @var ITimeFactory */
|
||
|
|
private $timeFactory;
|
||
|
|
/** @var string */
|
||
|
|
protected $fileName;
|
||
|
|
/** @var string */
|
||
|
|
protected $endpointUrl;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param IAppData $appData
|
||
|
|
* @param IClientService $clientService
|
||
|
|
* @param ITimeFactory $timeFactory
|
||
|
|
*/
|
||
|
|
public function __construct(IAppData $appData,
|
||
|
|
IClientService $clientService,
|
||
|
|
ITimeFactory $timeFactory) {
|
||
|
|
$this->appData = $appData;
|
||
|
|
$this->clientService = $clientService;
|
||
|
|
$this->timeFactory = $timeFactory;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the array with the categories on the appstore server
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get() {
|
||
|
|
$rootFolder = $this->appData->getFolder('/');
|
||
|
|
|
||
|
|
try {
|
||
|
|
// File does already exists
|
||
|
|
$file = $rootFolder->getFile($this->fileName);
|
||
|
|
$jsonBlob = json_decode($file->getContent(), true);
|
||
|
|
if(is_array($jsonBlob)) {
|
||
|
|
// If the timestamp is older than 300 seconds request the files new
|
||
|
|
if((int)$jsonBlob['timestamp'] > ($this->timeFactory->getTime() - self::INVALIDATE_AFTER_SECONDS)) {
|
||
|
|
return $jsonBlob['data'];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} catch (NotFoundException $e) {
|
||
|
|
// File does not already exists
|
||
|
|
$file = $rootFolder->newFile($this->fileName);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Refresh the file content
|
||
|
|
$client = $this->clientService->newClient();
|
||
|
|
try {
|
||
|
|
$response = $client->get($this->endpointUrl);
|
||
|
|
$responseJson = [];
|
||
|
|
$responseJson['data'] = json_decode($response->getBody(), true);
|
||
|
|
$responseJson['timestamp'] = $this->timeFactory->getTime();
|
||
|
|
$file->putContent(json_encode($responseJson));
|
||
|
|
return json_decode($file->getContent(), true)['data'];
|
||
|
|
} catch (\Exception $e) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|