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139 lines
4.7 KiB
PHP
139 lines
4.7 KiB
PHP
<?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\Config;
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use Composer\Cache;
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use Composer\EventDispatcher\EventDispatcher;
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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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use Composer\Util\RemoteFilesystem;
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use Composer\IO\IOInterface;
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use Symfony\Component\Process\ExecutableFinder;
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use ZipArchive;
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/**
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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class ZipDownloader extends ArchiveDownloader
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{
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protected $process;
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protected static $hasSystemUnzip;
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public function __construct(IOInterface $io, Config $config, EventDispatcher $eventDispatcher = null, Cache $cache = null, ProcessExecutor $process = null, RemoteFilesystem $rfs = null)
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{
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$this->process = $process ?: new ProcessExecutor($io);
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parent::__construct($io, $config, $eventDispatcher, $cache, $rfs);
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}
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/**
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* {@inheritDoc}
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*/
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public function download(PackageInterface $package, $path)
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{
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if (null === self::$hasSystemUnzip) {
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$finder = new ExecutableFinder;
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self::$hasSystemUnzip = (bool) $finder->find('unzip');
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}
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if (!class_exists('ZipArchive') && !self::$hasSystemUnzip) {
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// php.ini path is added to the error message to help users find the correct file
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$iniPath = php_ini_loaded_file();
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if ($iniPath) {
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$iniMessage = 'The php.ini used by your command-line PHP is: ' . $iniPath;
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} else {
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$iniMessage = 'A php.ini file does not exist. You will have to create one.';
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}
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$error = "The zip extension and unzip command are both missing, skipping.\n" . $iniMessage;
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throw new \RuntimeException($error);
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}
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return parent::download($package, $path);
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}
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protected function extract($file, $path)
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{
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$processError = null;
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if (self::$hasSystemUnzip && !(class_exists('ZipArchive') && Platform::isWindows())) {
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$command = 'unzip '.ProcessExecutor::escape($file).' -d '.ProcessExecutor::escape($path);
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if (!Platform::isWindows()) {
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$command .= ' && chmod -R u+w ' . ProcessExecutor::escape($path);
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}
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try {
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if (0 === $this->process->execute($command, $ignoredOutput)) {
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return;
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}
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$processError = 'Failed to execute ' . $command . "\n\n" . $this->process->getErrorOutput();
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} catch (\Exception $e) {
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$processError = 'Failed to execute ' . $command . "\n\n" . $e->getMessage();
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}
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if (!class_exists('ZipArchive')) {
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throw new \RuntimeException($processError);
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}
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}
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$zipArchive = new ZipArchive();
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if (true !== ($retval = $zipArchive->open($file))) {
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throw new \UnexpectedValueException(rtrim($this->getErrorMessage($retval, $file)."\n".$processError), $retval);
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}
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if (true !== $zipArchive->extractTo($path)) {
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throw new \RuntimeException(rtrim("There was an error extracting the ZIP file, it is either corrupted or using an invalid format.\n".$processError));
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}
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$zipArchive->close();
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}
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/**
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* Give a meaningful error message to the user.
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*
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* @param int $retval
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* @param string $file
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* @return string
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*/
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protected function getErrorMessage($retval, $file)
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{
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switch ($retval) {
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case ZipArchive::ER_EXISTS:
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return sprintf("File '%s' already exists.", $file);
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case ZipArchive::ER_INCONS:
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return sprintf("Zip archive '%s' is inconsistent.", $file);
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case ZipArchive::ER_INVAL:
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return sprintf("Invalid argument (%s)", $file);
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case ZipArchive::ER_MEMORY:
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return sprintf("Malloc failure (%s)", $file);
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case ZipArchive::ER_NOENT:
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return sprintf("No such zip file: '%s'", $file);
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case ZipArchive::ER_NOZIP:
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return sprintf("'%s' is not a zip archive.", $file);
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case ZipArchive::ER_OPEN:
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return sprintf("Can't open zip file: %s", $file);
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case ZipArchive::ER_READ:
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return sprintf("Zip read error (%s)", $file);
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case ZipArchive::ER_SEEK:
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return sprintf("Zip seek error (%s)", $file);
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default:
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return sprintf("'%s' is not a valid zip archive, got error code: %s", $file, $retval);
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}
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}
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}
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