122 lines
3.5 KiB
PHP
122 lines
3.5 KiB
PHP
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<?php
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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 Composer\Package\PackageInterface;
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/**
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* Base downloader for file packages
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*
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* @author Kirill chEbba Chebunin <iam@chebba.org>
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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abstract class FileDownloader implements DownloaderInterface
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{
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/**
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* {@inheritDoc}
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*/
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public function distDownload(PackageInterface $package, $path)
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{
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$this->download($package->getDistUrl(), $path, $package->getDistSha1Checksum());
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}
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/**
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* {@inheritDoc}
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*/
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public function sourceDownload(PackageInterface $package, $path)
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{
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$this->download($package->getSourceUrl(), $path);
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}
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/**
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* {@inheritDoc}
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*/
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public function distUpdate(PackageInterface $initial, PackageInterface $target, $path)
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{
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$fs = new Util\Filesystem();
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$fs->remove($path);
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$this->download($target->getDistUrl(), $path, $target->getDistSha1Checksum());
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}
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/**
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* {@inheritDoc}
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*/
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public function sourceUpdate(PackageInterface $initial, PackageInterface $target, $path)
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{
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$fs = new Util\Filesystem();
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$fs->remove($path);
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$this->download($target->getSourceUrl(), $path);
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}
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/**
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* {@inheritDoc}
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*/
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public function remove(PackageInterface $package, $path)
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{
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$fs = new Util\Filesystem();
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$fs->remove($path);
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}
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public function download($url, $path, $checksum = null)
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{
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if (!is_dir($path)) {
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if (file_exists($path)) {
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throw new \UnexpectedValueException($path.' exists and is not a directory');
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}
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if (!mkdir($path, 0777, true)) {
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throw new \UnexpectedValueException($path.' does not exist and could not be created');
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}
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}
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$fileName = rtrim($path.'/'.md5(time().rand()).'.'.pathinfo($url, PATHINFO_EXTENSION), '.');
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echo 'Downloading '.$url.' to '.$fileName.PHP_EOL;
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copy($url, $fileName);
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if (!file_exists($fileName)) {
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throw new \UnexpectedValueException($url.' could not be saved to '.$fileName.', make sure the'
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.' directory is writable and you have internet connectivity');
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}
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if ($checksum && hash_file('sha1', $fileName) !== $checksum) {
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throw new \UnexpectedValueException('The checksum verification of the archive failed (downloaded from '.$url.')');
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}
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echo 'Unpacking archive'.PHP_EOL;
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$this->extract($fileName, $path);
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echo 'Cleaning up'.PHP_EOL;
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unlink($fileName);
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// If we have only a one dir inside it suppose to be a package itself
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$contentDir = glob($path . '/*');
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if (1 === count($contentDir)) {
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$contentDir = $contentDir[0];
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foreach (array_merge(glob($contentDir . '/.*'), glob($contentDir . '/*')) as $file) {
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if (trim(basename($file), '.')) {
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rename($file, $path . '/' . basename($file));
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}
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}
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rmdir($contentDir);
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}
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}
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/**
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* Extract file to directory
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*
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* @param string $file Extracted file
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* @param string $path Directory
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*/
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protected abstract function extract($file, $path);
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}
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