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<?php |
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/* |
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* MikoPBX - free phone system for small business |
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* Copyright (C) 2017-2020 Alexey Portnov and Nikolay Beketov |
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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 General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (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 General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along with this program. |
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* If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace MikoPBX\PBXCoreREST\Workers; |
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require_once 'Globals.php'; |
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use MikoPBX\Core\Workers\WorkerBase; |
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use MikoPBX\Core\System\Util; |
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use GuzzleHttp; |
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use GuzzleHttp\Exception\GuzzleException; |
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use Psr\Http\Message\ResponseInterface; |
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class WorkerDownloader extends WorkerBase |
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{ |
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private string $old_memory_limit; |
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private int $progress = 0; |
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private array $settings; |
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private string $progress_file = ''; |
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private string $error_file = ''; |
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private int $file_size = 0; |
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private int $lastUpdate = 0; |
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private int $httpCode = 0; |
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/** |
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* WorkerDownloader entry point. |
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* |
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* @param $params |
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*/ |
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public function start($params): void |
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{ |
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$this->lastUpdate=time(); |
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$this->old_memory_limit = ini_get('memory_limit'); |
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$filename = $params[2]??''; |
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if (file_exists($filename)) { |
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$this->settings = json_decode(file_get_contents($filename), true); |
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} else { |
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Util::sysLogMsg(__CLASS__, 'Wrong download settings', LOG_ERR); |
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return; |
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} |
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ini_set('memory_limit', '300M'); |
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$temp_dir = dirname($this->settings['res_file']); |
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$this->progress_file = $temp_dir . '/progress'; |
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$this->error_file = $temp_dir . '/error'; |
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$result = $this->getFile(); |
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$result = $result && $this->checkFile(); |
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if ( ! $result) { |
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Util::sysLogMsg(__CLASS__, 'Download error...', LOG_ERR); |
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} |
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} |
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/** |
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* Downloads file from remote resource by link |
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*/ |
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public function getFile(): bool |
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{ |
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if (empty($this->settings)) { |
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return false; |
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} |
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if (file_exists($this->settings['res_file'])) { |
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unlink($this->settings['res_file']); |
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} |
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if (isset($this->settings['size'])){ |
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$this->file_size = $this->settings['size']; |
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} else { |
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$this->file_size = $this->remoteFileSize($this->settings['url']); |
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} |
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file_put_contents($this->progress_file, 0); |
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$curl = new GuzzleHttp\Handler\CurlMultiHandler(); |
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$handler = GuzzleHttp\HandlerStack::create($curl); |
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$client = new GuzzleHttp\Client(); |
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$promise = $client->getAsync($this->settings['url'], [ |
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'handler' => $handler, |
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'sink' => $this->settings['res_file'], |
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'progress' => [$this, 'progress'], |
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'connect_timeout' => 5 |
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]); |
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$promise->then( |
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function (ResponseInterface $res) { |
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$this->httpCode = $res->getStatusCode(); |
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}, |
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function (GuzzleHttp\Exception\RequestException $e) { |
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file_put_contents($this->error_file, $e->getMessage(), FILE_APPEND); |
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$this->httpCode = -1; |
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} |
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); |
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while ($promise->getState() === 'pending'){ |
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$curl->tick(); |
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if(time() - $this->lastUpdate > 30){ |
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$this->httpCode = -1; |
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file_put_contents($this->error_file, 'Fail download file... No progress for more than 30 seconds.', FILE_APPEND); |
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break; |
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} |
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} |
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if ($this->httpCode !== 200) { |
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file_put_contents($this->error_file, "Curl return code $this->httpCode. ", FILE_APPEND); |
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} |
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return $this->httpCode === 200; |
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} |
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public function progress( $downloadTotal, $downloadedBytes, $uploadTotal, $uploadedBytes) :void |
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{ |
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if ($downloadedBytes === 0) { |
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return; |
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} |
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$this->lastUpdate = time(); |
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if ($this->file_size < 0) { |
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$new_progress = $downloadedBytes / $downloadTotal * 100; |
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} else { |
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$new_progress = $downloadedBytes / $this->file_size * 100; |
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} |
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$delta = $new_progress - $this->progress; |
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if ($delta > 1) { |
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// Лимит на работу скрипта. Чтобы исключить "Зависание". |
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// Если нет прогресса, то завершать работу. |
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$this->progress = round($new_progress); |
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$this->progress = min($this->progress, 99); |
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file_put_contents($this->progress_file, $this->progress); |
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} |
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} |
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/** |
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* Remote File Size Using cURL |
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* |
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* @param string $url |
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* |
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* @return int |
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*/ |
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private function remoteFileSize(string $url): int |
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{ |
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$fileSize = -1; |
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try{ |
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$client = new GuzzleHttp\Client(); |
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$response = $client->head($url, ['connect_timeout' => 5]); |
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$fileSize = $response->getHeader('Content-Length')[0]; |
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}catch ( GuzzleException $e){ |
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file_put_contents($this->error_file, $e->getMessage(), FILE_APPEND); |
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} |
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return $fileSize; |
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} |
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/** |
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* Checks file md5 sum and size |
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*/ |
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public function checkFile(): bool |
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{ |
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$result = true; |
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if ( ! file_exists($this->settings['res_file'])) { |
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file_put_contents($this->error_file, 'File did not upload', FILE_APPEND); |
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return false; |
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} |
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if (md5_file($this->settings['res_file']) !== $this->settings['md5']) { |
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unlink($this->settings['res_file']); |
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file_put_contents($this->error_file, 'Error on comparing MD5 sum', FILE_APPEND); |
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$result = false; |
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}elseif($this->file_size !== filesize($this->settings['res_file'])) { |
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unlink($this->settings['res_file']); |
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file_put_contents($this->error_file, 'Error on comparing file size', FILE_APPEND); |
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$result = false; |
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} |
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file_put_contents($this->progress_file, 100); |
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return $result; |
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} |
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/** |
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* Returns memory_limit to default value. |
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*/ |
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public function __destruct() |
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{ |
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parent::__destruct(); |
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ini_set('memory_limit', $this->old_memory_limit); |
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} |
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} |
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// Start worker process |
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WorkerDownloader::startWorker($argv??null, false); |
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mikopbx /
Core
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.