<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Package\Archiver;
use ZipArchive;
use Composer\Util\Filesystem;
/**
* @author Jan Prieser <jan@prieser.net>
*/
class ZipArchiver implements ArchiverInterface
{
protected static $formats = array(
'zip' => 1,
);
/**
* {@inheritdoc}
*/
public function archive($sources, $target, $format, array $excludes = array(), $ignoreFilters = false)
{
$fs = new Filesystem();
$sources = $fs->normalizePath($sources);
$zip = new ZipArchive();
$res = $zip->open($target, ZipArchive::CREATE);
if ($res === true) {
$files = new ArchivableFilesFinder($sources, $excludes, $ignoreFilters);
foreach ($files as $file) {
/** @var \SplFileInfo $file */
$filepath = strtr($file->getPath()."/".$file->getFilename(), '\\', '/');
$localname = str_replace($sources.'/', '', $filepath);
if ($file->isDir()) {
$zip->addEmptyDir($localname);
} else {
$zip->addFile($filepath, $localname);
}
/**
* ZipArchive::setExternalAttributesName is available from >= PHP 5.6
*/
if (PHP_VERSION_ID >= 50600) {
$perms = fileperms($filepath);
/**
* Ensure to preserve the permission umasks for the filepath in the archive.
*/
$zip->setExternalAttributesName($localname, ZipArchive::OPSYS_UNIX, $perms << 16);
}
}
if ($zip->close()) {
return $target;
}
}
$message = sprintf(
"Could not create archive '%s' from '%s': %s",
$target,
$sources,
$zip->getStatusString()
);
throw new \RuntimeException($message);
}
/**
* {@inheritdoc}
*/
public function supports($format, $sourceType)
{
return isset(static::$formats[$format]) && $this->compressionAvailable();
}
private function compressionAvailable()
{
return class_exists('ZipArchive');
}
}