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vendor/symfony/flex/src/CurlDownloader.php
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216
vendor/symfony/flex/src/CurlDownloader.php
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Flex;
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use Composer\Downloader\TransportException;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class CurlDownloader
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{
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private $multiHandle;
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private $shareHandle;
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private $jobs = [];
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private $exceptions = [];
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private static $options = [
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'http' => [
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'method' => \CURLOPT_CUSTOMREQUEST,
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'content' => \CURLOPT_POSTFIELDS,
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],
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'ssl' => [
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'cafile' => \CURLOPT_CAINFO,
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'capath' => \CURLOPT_CAPATH,
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],
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];
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private static $timeInfo = [
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'total_time' => true,
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'namelookup_time' => true,
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'connect_time' => true,
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'pretransfer_time' => true,
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'starttransfer_time' => true,
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'redirect_time' => true,
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];
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public function __construct()
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{
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$this->multiHandle = $mh = curl_multi_init();
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curl_multi_setopt($mh, \CURLMOPT_PIPELINING, /*CURLPIPE_MULTIPLEX*/ 2);
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if (\defined('CURLMOPT_MAX_HOST_CONNECTIONS')) {
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curl_multi_setopt($mh, \CURLMOPT_MAX_HOST_CONNECTIONS, 8);
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}
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$this->shareHandle = $sh = curl_share_init();
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curl_share_setopt($sh, \CURLSHOPT_SHARE, \CURL_LOCK_DATA_COOKIE);
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curl_share_setopt($sh, \CURLSHOPT_SHARE, \CURL_LOCK_DATA_DNS);
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curl_share_setopt($sh, \CURLSHOPT_SHARE, \CURL_LOCK_DATA_SSL_SESSION);
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}
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public function get($origin, $url, $context, $file)
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{
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$params = stream_context_get_params($context);
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$ch = curl_init();
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$hd = fopen('php://temp/maxmemory:32768', 'w+b');
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if ($file && !$fd = @fopen($file.'~', 'w+b')) {
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$file = null;
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}
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if (!$file) {
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$fd = @fopen('php://temp/maxmemory:524288', 'w+b');
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}
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$headers = array_diff($params['options']['http']['header'], ['Connection: close']);
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if (!isset($params['options']['http']['protocol_version'])) {
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curl_setopt($ch, \CURLOPT_HTTP_VERSION, \CURL_HTTP_VERSION_1_0);
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} else {
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$headers[] = 'Connection: keep-alive';
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if (0 === strpos($url, 'https://') && \defined('CURL_VERSION_HTTP2') && \defined('CURL_HTTP_VERSION_2_0') && (\CURL_VERSION_HTTP2 & curl_version()['features'])) {
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curl_setopt($ch, \CURLOPT_HTTP_VERSION, \CURL_HTTP_VERSION_2_0);
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}
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}
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curl_setopt($ch, \CURLOPT_URL, $url);
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curl_setopt($ch, \CURLOPT_HTTPHEADER, $headers);
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curl_setopt($ch, \CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, \CURLOPT_DNS_USE_GLOBAL_CACHE, false);
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curl_setopt($ch, \CURLOPT_WRITEHEADER, $hd);
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curl_setopt($ch, \CURLOPT_FILE, $fd);
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curl_setopt($ch, \CURLOPT_SHARE, $this->shareHandle);
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foreach (self::$options as $type => $options) {
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foreach ($options as $name => $curlopt) {
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if (isset($params['options'][$type][$name])) {
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curl_setopt($ch, $curlopt, $params['options'][$type][$name]);
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}
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}
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}
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$progress = array_diff_key(curl_getinfo($ch), self::$timeInfo);
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$this->jobs[(int) $ch] = [
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'progress' => $progress,
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'ch' => $ch,
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'callback' => $params['notification'],
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'file' => $file,
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'fd' => $fd,
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];
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curl_multi_add_handle($this->multiHandle, $ch);
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$params['notification'](\STREAM_NOTIFY_RESOLVE, \STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0, false);
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$active = true;
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try {
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while ($active && isset($this->jobs[(int) $ch])) {
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curl_multi_exec($this->multiHandle, $active);
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curl_multi_select($this->multiHandle);
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while ($progress = curl_multi_info_read($this->multiHandle)) {
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if (!isset($this->jobs[$i = (int) $h = $progress['handle']])) {
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continue;
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}
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$progress = array_diff_key(curl_getinfo($h), self::$timeInfo);
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$job = $this->jobs[$i];
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unset($this->jobs[$i]);
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curl_multi_remove_handle($this->multiHandle, $h);
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try {
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$this->onProgress($h, $job['callback'], $progress, $job['progress']);
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if ('' !== curl_error($h)) {
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throw new TransportException(curl_error($h));
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}
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if ($job['file'] && \CURLE_OK === curl_errno($h) && !isset($this->exceptions[$i])) {
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fclose($job['fd']);
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rename($job['file'].'~', $job['file']);
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}
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} catch (TransportException $e) {
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$this->exceptions[$i] = $e;
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}
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}
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foreach ($this->jobs as $i => $h) {
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if (!isset($this->jobs[$i])) {
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continue;
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}
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$h = $this->jobs[$i]['ch'];
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$progress = array_diff_key(curl_getinfo($h), self::$timeInfo);
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if ($this->jobs[$i]['progress'] !== $progress) {
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$previousProgress = $this->jobs[$i]['progress'];
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$this->jobs[$i]['progress'] = $progress;
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try {
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$this->onProgress($h, $this->jobs[$i]['callback'], $progress, $previousProgress);
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} catch (TransportException $e) {
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unset($this->jobs[$i]);
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curl_multi_remove_handle($this->multiHandle, $h);
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$this->exceptions[$i] = $e;
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}
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}
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}
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}
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if ('' !== curl_error($ch) || \CURLE_OK !== curl_errno($ch)) {
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$this->exceptions[(int) $ch] = new TransportException(curl_error($ch), curl_getinfo($ch, \CURLINFO_HTTP_CODE) ?: 0);
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}
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if (isset($this->exceptions[(int) $ch])) {
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throw $this->exceptions[(int) $ch];
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}
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} finally {
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if ($file && !isset($this->exceptions[(int) $ch])) {
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$fd = fopen($file, 'rb');
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}
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$progress = array_diff_key(curl_getinfo($ch), self::$timeInfo);
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$this->finishProgress($ch, $params['notification'], $progress);
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unset($this->jobs[(int) $ch], $this->exceptions[(int) $ch]);
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curl_multi_remove_handle($this->multiHandle, $ch);
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curl_close($ch);
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rewind($hd);
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$headers = explode("\r\n", rtrim(stream_get_contents($hd)));
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fclose($hd);
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rewind($fd);
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$contents = stream_get_contents($fd);
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fclose($fd);
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}
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return [$headers, $contents];
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}
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private function onProgress($ch, callable $notify, array $progress, array $previousProgress)
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{
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if (300 <= $progress['http_code'] && $progress['http_code'] < 400 || 0 > $progress['download_content_length']) {
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return;
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}
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if (!$previousProgress['http_code'] && $progress['http_code'] && $progress['http_code'] < 200 || 400 <= $progress['http_code']) {
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$code = 403 === $progress['http_code'] ? \STREAM_NOTIFY_AUTH_RESULT : \STREAM_NOTIFY_FAILURE;
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$notify($code, \STREAM_NOTIFY_SEVERITY_ERR, curl_error($ch), $progress['http_code'], 0, 0, false);
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}
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if ($previousProgress['download_content_length'] < $progress['download_content_length']) {
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$notify(\STREAM_NOTIFY_FILE_SIZE_IS, \STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, (int) $progress['download_content_length'], false);
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}
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if ($previousProgress['size_download'] < $progress['size_download']) {
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$notify(\STREAM_NOTIFY_PROGRESS, \STREAM_NOTIFY_SEVERITY_INFO, '', 0, (int) $progress['size_download'], (int) $progress['download_content_length'], false);
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}
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}
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private function finishProgress($ch, callable $notify, array $progress)
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{
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if ($progress['download_content_length'] < 0) {
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$notify(\STREAM_NOTIFY_FILE_SIZE_IS, \STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, (int) $progress['size_download'], false);
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$notify(\STREAM_NOTIFY_PROGRESS, \STREAM_NOTIFY_SEVERITY_INFO, '', 0, (int) $progress['size_download'], (int) $progress['size_download'], false);
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}
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}
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}
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