function ZipDownloader::download

@inheritDoc

Overrides FileDownloader::download

File

vendor/composer/composer/src/Composer/Downloader/ZipDownloader.php, line 43

Class

ZipDownloader

@author Jordi Boggiano <j.boggiano@seld.be>

Namespace

Composer\Downloader

Code

public function download(PackageInterface $package, string $path, ?PackageInterface $prevPackage = null, bool $output = true) : PromiseInterface {
    if (null === self::$unzipCommands) {
        self::$unzipCommands = [];
        $finder = new ExecutableFinder();
        if (Platform::isWindows() && ($cmd = $finder->find('7z', null, [
            'C:\\Program Files\\7-Zip',
        ]))) {
            self::$unzipCommands[] = [
                '7z',
                $cmd,
                'x',
                '-bb0',
                '-y',
                '%file%',
                '-o%path%',
            ];
        }
        if ($cmd = $finder->find('unzip')) {
            self::$unzipCommands[] = [
                'unzip',
                $cmd,
                '-qq',
                '%file%',
                '-d',
                '%path%',
            ];
        }
        if (!Platform::isWindows() && ($cmd = $finder->find('7z'))) {
            // 7z linux/macOS support is only used if unzip is not present
            self::$unzipCommands[] = [
                '7z',
                $cmd,
                'x',
                '-bb0',
                '-y',
                '%file%',
                '-o%path%',
            ];
        }
        if (!Platform::isWindows() && ($cmd = $finder->find('7zz'))) {
            // 7zz linux/macOS support is only used if unzip is not present
            self::$unzipCommands[] = [
                '7zz',
                $cmd,
                'x',
                '-bb0',
                '-y',
                '%file%',
                '-o%path%',
            ];
        }
    }
    $procOpenMissing = false;
    if (!function_exists('proc_open')) {
        self::$unzipCommands = [];
        $procOpenMissing = true;
    }
    if (null === self::$hasZipArchive) {
        self::$hasZipArchive = class_exists('ZipArchive');
    }
    if (!self::$hasZipArchive && !self::$unzipCommands) {
        // php.ini path is added to the error message to help users find the correct file
        $iniMessage = IniHelper::getMessage();
        if ($procOpenMissing) {
            $error = "The zip extension is missing and unzip/7z commands cannot be called as proc_open is disabled, skipping.\n" . $iniMessage;
        }
        else {
            $error = "The zip extension and unzip/7z commands are both missing, skipping.\n" . $iniMessage;
        }
        throw new \RuntimeException($error);
    }
    if (null === self::$isWindows) {
        self::$isWindows = Platform::isWindows();
        if (!self::$isWindows && !self::$unzipCommands) {
            if ($procOpenMissing) {
                $this->io
                    ->writeError("<warning>proc_open is disabled so 'unzip' and '7z' commands cannot be used, zip files are being unpacked using the PHP zip extension.</warning>");
                $this->io
                    ->writeError("<warning>This may cause invalid reports of corrupted archives. Besides, any UNIX permissions (e.g. executable) defined in the archives will be lost.</warning>");
                $this->io
                    ->writeError("<warning>Enabling proc_open and installing 'unzip' or '7z' (21.01+) may remediate them.</warning>");
            }
            else {
                $this->io
                    ->writeError("<warning>As there is no 'unzip' nor '7z' command installed zip files are being unpacked using the PHP zip extension.</warning>");
                $this->io
                    ->writeError("<warning>This may cause invalid reports of corrupted archives. Besides, any UNIX permissions (e.g. executable) defined in the archives will be lost.</warning>");
                $this->io
                    ->writeError("<warning>Installing 'unzip' or '7z' (21.01+) may remediate them.</warning>");
            }
        }
    }
    return parent::download($package, $path, $prevPackage, $output);
}