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94 lines
2.8 KiB
PHP
94 lines
2.8 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\Package\Archiver;
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use ZipArchive;
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use Composer\Util\Filesystem;
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/**
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* @author Jan Prieser <jan@prieser.net>
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*/
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class ZipArchiver implements ArchiverInterface
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{
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/** @var array<string, bool> */
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protected static $formats = array(
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'zip' => true,
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);
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/**
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* @inheritDoc
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*/
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public function archive(string $sources, string $target, string $format, array $excludes = array(), bool $ignoreFilters = false): string
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{
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$fs = new Filesystem();
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$sources = $fs->normalizePath($sources);
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$zip = new ZipArchive();
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$res = $zip->open($target, ZipArchive::CREATE);
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if ($res === true) {
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$files = new ArchivableFilesFinder($sources, $excludes, $ignoreFilters);
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foreach ($files as $file) {
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/** @var \SplFileInfo $file */
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$filepath = strtr($file->getPath()."/".$file->getFilename(), '\\', '/');
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$localname = $filepath;
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if (strpos($localname, $sources . '/') === 0) {
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$localname = substr($localname, strlen($sources . '/'));
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}
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if ($file->isDir()) {
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$zip->addEmptyDir($localname);
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} else {
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$zip->addFile($filepath, $localname);
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}
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/**
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* setExternalAttributesName() is only available with libzip 0.11.2 or above
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*/
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if (method_exists($zip, 'setExternalAttributesName')) {
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$perms = fileperms($filepath);
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/**
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* Ensure to preserve the permission umasks for the filepath in the archive.
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*/
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$zip->setExternalAttributesName($localname, ZipArchive::OPSYS_UNIX, $perms << 16);
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}
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}
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if ($zip->close()) {
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return $target;
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}
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}
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$message = sprintf(
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"Could not create archive '%s' from '%s': %s",
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$target,
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$sources,
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$zip->getStatusString()
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);
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throw new \RuntimeException($message);
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}
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/**
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* @inheritDoc
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*/
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public function supports(string $format, ?string $sourceType): bool
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{
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return isset(static::$formats[$format]) && $this->compressionAvailable();
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}
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/**
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* @return bool
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*/
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private function compressionAvailable(): bool
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{
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return class_exists('ZipArchive');
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}
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}
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