Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /proc/self/root/usr/share/php/Composer/Downloader/ |
<?php /* * This file is part of Composer. * * (c) Nils Adermann <[email protected]> * Jordi Boggiano <[email protected]> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Composer\Downloader; use Composer\Package\PackageInterface; use Composer\Util\IniHelper; use Composer\Util\Platform; use Composer\Util\ProcessExecutor; use Symfony\Component\Process\ExecutableFinder; use React\Promise\PromiseInterface; use ZipArchive; /** * @author Jordi Boggiano <[email protected]> */ class ZipDownloader extends ArchiveDownloader { private static $unzipCommands; private static $hasZipArchive; private static $isWindows; /** @var ZipArchive|null */ private $zipArchiveObject; /** * {@inheritDoc} */ public function download(PackageInterface $package, $path, PackageInterface $prevPackage = null, $output = true) { if (null === self::$unzipCommands) { self::$unzipCommands = array(); $finder = new ExecutableFinder; if (Platform::isWindows() && ($cmd = $finder->find('7z', null, array('C:\Program Files\7-Zip')))) { self::$unzipCommands[] = array('7z', ProcessExecutor::escape($cmd).' x -bb0 -y %s -o%s'); } if ($cmd = $finder->find('unzip')) { self::$unzipCommands[] = array('unzip', ProcessExecutor::escape($cmd).' -qq %s -d %s'); } } if (null === self::$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(); $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) { $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>"); $this->io->writeError("<warning>Installing 'unzip' or '7z' may remediate them.</warning>"); } } return parent::download($package, $path, $prevPackage, $output); } /** * extract $file to $path with "unzip" command * * @param string $file File to extract * @param string $path Path where to extract file * @return PromiseInterface */ private function extractWithSystemUnzip(PackageInterface $package, $file, $path) { // Force Exception throwing if the other alternative extraction method is not available $isLastChance = !self::$hasZipArchive; if (!self::$unzipCommands) { // This was call as the favorite extract way, but is not available // We switch to the alternative return $this->extractWithZipArchive($package, $file, $path); } $commandSpec = reset(self::$unzipCommands); $command = sprintf($commandSpec[1], ProcessExecutor::escape($file), ProcessExecutor::escape($path)); $executable = $commandSpec[0]; $self = $this; $io = $this->io; $tryFallback = function ($processError) use ($isLastChance, $io, $self, $file, $path, $package, $executable) { if ($isLastChance) { throw $processError; } if (!is_file($file)) { $io->writeError(' <warning>'.$processError->getMessage().'</warning>'); $io->writeError(' <warning>This most likely is due to a custom installer plugin not handling the returned Promise from the downloader</warning>'); $io->writeError(' <warning>See https://github.com/composer/installers/commit/5006d0c28730ade233a8f42ec31ac68fb1c5c9bb for an example fix</warning>'); } else { $io->writeError(' <warning>'.$processError->getMessage().'</warning>'); $io->writeError(' The archive may contain identical file names with different capitalization (which fails on case insensitive filesystems)'); $io->writeError(' Unzip with '.$executable.' command failed, falling back to ZipArchive class'); } return $self->extractWithZipArchive($package, $file, $path); }; try { $promise = $this->process->executeAsync($command); return $promise->then(function ($process) use ($tryFallback, $command, $package, $file) { if (!$process->isSuccessful()) { $output = $process->getErrorOutput(); $output = str_replace(', '.$file.'.zip or '.$file.'.ZIP', '', $output); return $tryFallback(new \RuntimeException('Failed to extract '.$package->getName().': ('.$process->getExitCode().') '.$command."\n\n".$output)); } }); } catch (\Exception $e) { return $tryFallback($e); } catch (\Throwable $e) { return $tryFallback($e); } } /** * extract $file to $path with ZipArchive * * @param string $file File to extract * @param string $path Path where to extract file * @return PromiseInterface * * TODO v3 should make this private once we can drop PHP 5.3 support * @protected */ public function extractWithZipArchive(PackageInterface $package, $file, $path) { $processError = null; $zipArchive = $this->zipArchiveObject ?: new ZipArchive(); try { if (true === ($retval = $zipArchive->open($file))) { $extractResult = $zipArchive->extractTo($path); if (true === $extractResult) { $zipArchive->close(); return \React\Promise\resolve(); } $processError = new \RuntimeException(rtrim("There was an error extracting the ZIP file, it is either corrupted or using an invalid format.\n")); } else { $processError = new \UnexpectedValueException(rtrim($this->getErrorMessage($retval, $file)."\n"), $retval); } } catch (\ErrorException $e) { $processError = new \RuntimeException('The archive may contain identical file names with different capitalization (which fails on case insensitive filesystems): '.$e->getMessage(), 0, $e); } catch (\Exception $e) { $processError = $e; } catch (\Throwable $e) { $processError = $e; } throw $processError; } /** * extract $file to $path * * @param string $file File to extract * @param string $path Path where to extract file * @return PromiseInterface|null * * TODO v3 should make this private once we can drop PHP 5.3 support * @protected */ public function extract(PackageInterface $package, $file, $path) { return $this->extractWithSystemUnzip($package, $file, $path); } /** * Give a meaningful error message to the user. * * @param int $retval * @param string $file * @return string */ protected function getErrorMessage($retval, $file) { switch ($retval) { case ZipArchive::ER_EXISTS: return sprintf("File '%s' already exists.", $file); case ZipArchive::ER_INCONS: return sprintf("Zip archive '%s' is inconsistent.", $file); case ZipArchive::ER_INVAL: return sprintf("Invalid argument (%s)", $file); case ZipArchive::ER_MEMORY: return sprintf("Malloc failure (%s)", $file); case ZipArchive::ER_NOENT: return sprintf("No such zip file: '%s'", $file); case ZipArchive::ER_NOZIP: return sprintf("'%s' is not a zip archive.", $file); case ZipArchive::ER_OPEN: return sprintf("Can't open zip file: %s", $file); case ZipArchive::ER_READ: return sprintf("Zip read error (%s)", $file); case ZipArchive::ER_SEEK: return sprintf("Zip seek error (%s)", $file); default: return sprintf("'%s' is not a valid zip archive, got error code: %s", $file, $retval); } } }