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<?php |
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/** |
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* @copyright Copyright (c) 2016 Bjoern Schiessle <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\LookupServerConnector\BackgroundJobs; |
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use OC\BackgroundJob\Job; |
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use OC\BackgroundJob\JobList; |
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use OCP\BackgroundJob\IJobList; |
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use OCP\Http\Client\IClientService; |
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use OCP\IConfig; |
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use OCP\ILogger; |
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class RetryJob extends Job { |
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/** @var IClientService */ |
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private $clientService; |
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/** @var IJobList */ |
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private $jobList; |
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/** @var string */ |
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private $lookupServer; |
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/** @var int how much time should be between two, will be increased for each retry */ |
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private $interval = 100; |
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/** |
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* @param IClientService $clientService |
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* @param IJobList $jobList |
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* @param IConfig $config |
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*/ |
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public function __construct(IClientService $clientService, |
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IJobList $jobList, |
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IConfig $config) { |
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$this->clientService = $clientService; |
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$this->jobList = $jobList; |
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if ($config->getSystemValue('has_internet_connection', true) === false) { |
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return; |
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} |
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$this->lookupServer = $config->getSystemValue('lookup_server', 'https://lookup.nextcloud.com'); |
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if (!empty($this->lookupServer)) { |
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$this->lookupServer = rtrim($this->lookupServer, '/'); |
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$this->lookupServer .= '/users'; |
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} |
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} |
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/** |
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* run the job, then remove it from the jobList |
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* |
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* @param JobList $jobList |
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* @param ILogger|null $logger |
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*/ |
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public function execute($jobList, ILogger $logger = null) { |
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if ($this->shouldRun($this->argument)) { |
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parent::execute($jobList, $logger); |
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$jobList->remove($this, $this->argument); |
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} |
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} |
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protected function run($argument) { |
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if ($this->killBackgroundJob((int)$argument['retryNo'])) { |
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return; |
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} |
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$client = $this->clientService->newClient(); |
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try { |
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$client->post($this->lookupServer, |
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[ |
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'body' => json_encode($argument['dataArray']), |
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'timeout' => 10, |
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'connect_timeout' => 3, |
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] |
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); |
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} catch (\Exception $e) { |
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$this->jobList->add(RetryJob::class, |
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[ |
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'dataArray' => $argument['dataArray'], |
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'retryNo' => $argument['retryNo'] + 1, |
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'lastRun' => time(), |
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] |
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); |
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} |
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} |
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/** |
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* test if it is time for the next run |
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* |
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* @param array $argument |
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* @return bool |
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*/ |
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protected function shouldRun($argument) { |
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$retryNo = (int)$argument['retryNo']; |
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$delay = $this->interval * 6 ** $retryNo; |
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return !isset($argument['lastRun']) || ((time() - $argument['lastRun']) > $delay); |
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} |
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/** |
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* check if we should kill the background job |
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* |
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* The lookup server should no longer be contacted if: |
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* |
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* - max retries are reached (set to 5) |
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* - lookup server was disabled by the admin |
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* - no valid lookup server URL given |
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* |
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* @param int $retryCount |
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* @return bool |
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*/ |
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protected function killBackgroundJob($retryCount) { |
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$maxTriesReached = $retryCount >= 5; |
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$lookupServerDisabled = $this->config->getAppValue('files_sharing', 'lookupServerUploadEnabled', 'yes') !== 'yes'; |
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return $maxTriesReached || $lookupServerDisabled || empty($this->lookupServer); |
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} |
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} |
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nextcloud /
server
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