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<?php /* * This file is part of Composer. * * (c) Nils Adermann <[email protected]> * Jordi Boggiano <[email protected]> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Composer\Downloader; use Composer\Package\PackageInterface; use Composer\Util\Platform; use Composer\Util\ProcessExecutor; /** * GZip archive downloader. * * @author Pavel Puchkin <[email protected]> */ class GzipDownloader extends ArchiveDownloader { protected function extract(PackageInterface $package, $file, $path) { $filename = pathinfo(parse_url($package->getDistUrl(), PHP_URL_PATH), PATHINFO_FILENAME); $targetFilepath = $path . DIRECTORY_SEPARATOR . $filename; // Try to use gunzip on *nix if (!Platform::isWindows()) { $command = 'gzip -cd -- ' . ProcessExecutor::escape($file) . ' > ' . ProcessExecutor::escape($targetFilepath); if (0 === $this->process->execute($command, $ignoredOutput)) { return \React\Promise\resolve(); } if (extension_loaded('zlib')) { // Fallback to using the PHP extension. $this->extractUsingExt($file, $targetFilepath); return \React\Promise\resolve(); } $processError = 'Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput(); throw new \RuntimeException($processError); } // Windows version of PHP has built-in support of gzip functions $this->extractUsingExt($file, $targetFilepath); return \React\Promise\resolve(); } private function extractUsingExt($file, $targetFilepath) { $archiveFile = gzopen($file, 'rb'); $targetFile = fopen($targetFilepath, 'wb'); while ($string = gzread($archiveFile, 4096)) { fwrite($targetFile, $string, Platform::strlen($string)); } gzclose($archiveFile); fclose($targetFile); } }