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74 lines
2.2 KiB
PHP
74 lines
2.2 KiB
PHP
<?php declare(strict_types=1);
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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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 Composer\Downloader;
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use React\Promise\PromiseInterface;
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use Composer\Package\PackageInterface;
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use Composer\Util\Platform;
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use Composer\Util\ProcessExecutor;
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/**
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* GZip archive downloader.
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*
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* @author Pavel Puchkin <i@neoascetic.me>
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*/
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class GzipDownloader extends ArchiveDownloader
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{
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protected function extract(PackageInterface $package, string $file, string $path): PromiseInterface
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{
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$filename = pathinfo(parse_url($package->getDistUrl(), PHP_URL_PATH), PATHINFO_FILENAME);
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$targetFilepath = $path . DIRECTORY_SEPARATOR . $filename;
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// Try to use gunzip on *nix
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if (!Platform::isWindows()) {
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$command = 'gzip -cd -- ' . ProcessExecutor::escape($file) . ' > ' . ProcessExecutor::escape($targetFilepath);
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if (0 === $this->process->execute($command, $ignoredOutput)) {
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return \React\Promise\resolve();
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}
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if (extension_loaded('zlib')) {
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// Fallback to using the PHP extension.
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$this->extractUsingExt($file, $targetFilepath);
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return \React\Promise\resolve();
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}
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$processError = 'Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput();
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throw new \RuntimeException($processError);
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}
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// Windows version of PHP has built-in support of gzip functions
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$this->extractUsingExt($file, $targetFilepath);
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return \React\Promise\resolve();
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}
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/**
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* @param string $file
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* @param string $targetFilepath
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*
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* @return void
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*/
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private function extractUsingExt(string $file, string $targetFilepath): void
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{
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$archiveFile = gzopen($file, 'rb');
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$targetFile = fopen($targetFilepath, 'wb');
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while ($string = gzread($archiveFile, 4096)) {
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fwrite($targetFile, $string, Platform::strlen($string));
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}
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gzclose($archiveFile);
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fclose($targetFile);
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}
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}
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