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PATH: home / lab2454c / crypto.keyreum.com / vendor / composer / composer / src / Composer / Util

<?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\Util;

/**
 * @author Andreas Schempp <andreas.schempp@terminal42.ch>
 */
class Zip
{
    /**
     * Gets content of the root composer.json inside a ZIP archive.
     *
     * @param string $pathToZip
     *
     * @return string|null
     */
    public static function getComposerJson($pathToZip)
    {
        if (!extension_loaded('zip')) {
            throw new \RuntimeException('The Zip Util requires PHP\'s zip extension');
        }

$zip = new \ZipArchive();
        if ($zip->open($pathToZip) !== true) {
            return null;
        }

if (0 == $zip->numFiles) {
            $zip->close();

return null;
        }

$foundFileIndex = self::locateFile($zip, 'composer.json');

$content = null;
        $configurationFileName = $zip->getNameIndex($foundFileIndex);
        $stream = $zip->getStream($configurationFileName);

if (false !== $stream) {
            $content = stream_get_contents($stream);
        }

$zip->close();

return $content;
    }

/**
     * Find a file by name, returning the one that has the shortest path.
     *
     * @param  \ZipArchive       $zip
     * @param  string            $filename
     * @throws \RuntimeException
     *
     * @return int
     */
    private static function locateFile(\ZipArchive $zip, $filename)
    {
        // return root composer.json if it is there and is a file
        if (false !== ($index = $zip->locateName($filename)) && $zip->getFromIndex($index) !== false) {
            return $index;
        }

$topLevelPaths = array();
        for ($i = 0; $i < $zip->numFiles; $i++) {
            $name = $zip->getNameIndex($i);
            $dirname = dirname($name);

// ignore OSX specific resource fork folder
            if (strpos($name, '__MACOSX') !== false) {
                continue;
            }

// handle archives with proper TOC
            if ($dirname === '.') {
                $topLevelPaths[$name] = true;
                if (\count($topLevelPaths) > 1) {
                    throw new \RuntimeException('Archive has more than one top level directories, and no composer.json was found on the top level, so it\'s an invalid archive. Top level paths found were: '.implode(',', array_keys($topLevelPaths)));
                }
                continue;
            }

// handle archives which do not have a TOC record for the directory itself
            if (false === strpos($dirname, '\\') && false === strpos($dirname, '/')) {
                $topLevelPaths[$dirname.'/'] = true;
                if (\count($topLevelPaths) > 1) {
                    throw new \RuntimeException('Archive has more than one top level directories, and no composer.json was found on the top level, so it\'s an invalid archive. Top level paths found were: '.implode(',', array_keys($topLevelPaths)));
                }
            }
        }

if ($topLevelPaths && false !== ($index = $zip->locateName(key($topLevelPaths).$filename)) && $zip->getFromIndex($index) !== false) {
            return $index;
        }

throw new \RuntimeException('No composer.json found either at the top level or within the topmost directory');
    }
}

[-] TlsHelper.php [edit]
[-] ProcessExecutor.php [edit]
[+] ..
[-] GitLab.php [edit]
[-] Perforce.php [edit]
[-] HttpDownloader.php [edit]
[-] RemoteFilesystem.php [edit]
[-] ErrorHandler.php [edit]
[-] SyncHelper.php [edit]
[-] ComposerMirror.php [edit]
[-] NoProxyPattern.php [edit]
[-] IniHelper.php [edit]
[-] Silencer.php [edit]
[-] Git.php [edit]
[-] Zip.php [edit]
[-] ConfigValidator.php [edit]
[-] Platform.php [edit]
[-] MetadataMinifier.php [edit]
[-] Svn.php [edit]
[-] Tar.php [edit]
[-] Hg.php [edit]
[-] Loop.php [edit]
[-] Url.php [edit]
[-] PackageSorter.php [edit]
[+] Http
[-] AuthHelper.php [edit]
[-] Filesystem.php [edit]
[-] Bitbucket.php [edit]
[-] GitHub.php [edit]
[-] StreamContextFactory.php [edit]