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<?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; use Composer\Config\JsonConfigSource; use Composer\Json\JsonFile; use Composer\IO\IOInterface; use Composer\Package\Archiver; use Composer\Package\Version\VersionGuesser; use Composer\Package\RootPackageInterface; use Composer\Repository\RepositoryManager; use Composer\Repository\RepositoryFactory; use Composer\Repository\WritableRepositoryInterface; use Composer\Util\Filesystem; use Composer\Util\Platform; use Composer\Util\ProcessExecutor; use Composer\Util\HttpDownloader; use Composer\Util\Loop; use Composer\Util\Silencer; use Composer\Plugin\PluginEvents; use Composer\EventDispatcher\Event; use Seld\JsonLint\DuplicateKeyException; use Symfony\Component\Console\Formatter\OutputFormatter; use Symfony\Component\Console\Formatter\OutputFormatterStyle; use Symfony\Component\Console\Output\ConsoleOutput; use Composer\EventDispatcher\EventDispatcher; use Composer\Autoload\AutoloadGenerator; use Composer\Package\Version\VersionParser; use Composer\Downloader\TransportException; use Seld\JsonLint\JsonParser; /** * Creates a configured instance of composer. * * @author Ryan Weaver <[email protected]> * @author Jordi Boggiano <[email protected]> * @author Igor Wiedler <[email protected]> * @author Nils Adermann <[email protected]> */ class Factory { /** * @throws \RuntimeException * @return string */ protected static function getHomeDir() { $home = getenv('COMPOSER_HOME'); if ($home) { return $home; } if (Platform::isWindows()) { if (!getenv('APPDATA')) { throw new \RuntimeException('The APPDATA or COMPOSER_HOME environment variable must be set for composer to run correctly'); } return rtrim(strtr(getenv('APPDATA'), '\\', '/'), '/') . '/Composer'; } $userDir = self::getUserDir(); $dirs = array(); if (self::useXdg()) { // XDG Base Directory Specifications $xdgConfig = getenv('XDG_CONFIG_HOME'); if (!$xdgConfig) { $xdgConfig = $userDir . '/.config'; } $dirs[] = $xdgConfig . '/composer'; } $dirs[] = $userDir . '/.composer'; // select first dir which exists of: $XDG_CONFIG_HOME/composer or ~/.composer foreach ($dirs as $dir) { if (Silencer::call('is_dir', $dir)) { return $dir; } } // if none exists, we default to first defined one (XDG one if system uses it, or ~/.composer otherwise) return $dirs[0]; } /** * @param string $home * @return string */ protected static function getCacheDir($home) { $cacheDir = getenv('COMPOSER_CACHE_DIR'); if ($cacheDir) { return $cacheDir; } $homeEnv = getenv('COMPOSER_HOME'); if ($homeEnv) { return $homeEnv . '/cache'; } if (Platform::isWindows()) { if ($cacheDir = getenv('LOCALAPPDATA')) { $cacheDir .= '/Composer'; } else { $cacheDir = $home . '/cache'; } return rtrim(strtr($cacheDir, '\\', '/'), '/'); } $userDir = self::getUserDir(); if (PHP_OS === 'Darwin') { // Migrate existing cache dir in old location if present if (is_dir($home . '/cache') && !is_dir($userDir . '/Library/Caches/composer')) { Silencer::call('rename', $home . '/cache', $userDir . '/Library/Caches/composer'); } return $userDir . '/Library/Caches/composer'; } if ($home === $userDir . '/.composer' && is_dir($home . '/cache')) { return $home . '/cache'; } if (self::useXdg()) { $xdgCache = getenv('XDG_CACHE_HOME') ?: $userDir . '/.cache'; return $xdgCache . '/composer'; } return $home . '/cache'; } /** * @param string $home * @return string */ protected static function getDataDir($home) { $homeEnv = getenv('COMPOSER_HOME'); if ($homeEnv) { return $homeEnv; } if (Platform::isWindows()) { return strtr($home, '\\', '/'); } $userDir = self::getUserDir(); if ($home !== $userDir . '/.composer' && self::useXdg()) { $xdgData = getenv('XDG_DATA_HOME') ?: $userDir . '/.local/share'; return $xdgData . '/composer'; } return $home; } /** * @param IOInterface|null $io * @return Config */ public static function createConfig(IOInterface $io = null, $cwd = null) { $cwd = $cwd ?: getcwd(); $config = new Config(true, $cwd); // determine and add main dirs to the config $home = self::getHomeDir(); $config->merge(array('config' => array( 'home' => $home, 'cache-dir' => self::getCacheDir($home), 'data-dir' => self::getDataDir($home), ))); // load global config $file = new JsonFile($config->get('home').'/config.json'); if ($file->exists()) { if ($io && $io->isDebug()) { $io->writeError('Loading config file ' . $file->getPath()); } $config->merge($file->read()); } $config->setConfigSource(new JsonConfigSource($file)); $htaccessProtect = (bool) $config->get('htaccess-protect'); if ($htaccessProtect) { // Protect directory against web access. Since HOME could be // the www-data's user home and be web-accessible it is a // potential security risk $dirs = array($config->get('home'), $config->get('cache-dir'), $config->get('data-dir')); foreach ($dirs as $dir) { if (!file_exists($dir . '/.htaccess')) { if (!is_dir($dir)) { Silencer::call('mkdir', $dir, 0777, true); } Silencer::call('file_put_contents', $dir . '/.htaccess', 'Deny from all'); } } } // load global auth file $file = new JsonFile($config->get('home').'/auth.json'); if ($file->exists()) { if ($io && $io->isDebug()) { $io->writeError('Loading config file ' . $file->getPath()); } $config->merge(array('config' => $file->read())); } $config->setAuthConfigSource(new JsonConfigSource($file, true)); // load COMPOSER_AUTH environment variable if set if ($composerAuthEnv = getenv('COMPOSER_AUTH')) { $authData = json_decode($composerAuthEnv, true); if (null === $authData) { throw new \UnexpectedValueException('COMPOSER_AUTH environment variable is malformed, should be a valid JSON object'); } if ($io && $io->isDebug()) { $io->writeError('Loading auth config from COMPOSER_AUTH'); } $config->merge(array('config' => $authData)); } return $config; } public static function getComposerFile() { return trim(getenv('COMPOSER')) ?: './composer.json'; } public static function getLockFile($composerFile) { return "json" === pathinfo($composerFile, PATHINFO_EXTENSION) ? substr($composerFile, 0, -4).'lock' : $composerFile . '.lock'; } public static function createAdditionalStyles() { return array( 'highlight' => new OutputFormatterStyle('red'), 'warning' => new OutputFormatterStyle('black', 'yellow'), ); } /** * Creates a ConsoleOutput instance * * @return ConsoleOutput */ public static function createOutput() { $styles = self::createAdditionalStyles(); $formatter = new OutputFormatter(false, $styles); return new ConsoleOutput(ConsoleOutput::VERBOSITY_NORMAL, null, $formatter); } /** * Creates a Composer instance * * @param IOInterface $io IO instance * @param array|string|null $localConfig either a configuration array or a filename to read from, if null it will * read from the default filename * @param bool $disablePlugins Whether plugins should not be loaded * @param bool $fullLoad Whether to initialize everything or only main project stuff (used when loading the global composer) * @throws \InvalidArgumentException * @throws \UnexpectedValueException * @return Composer */ public function createComposer(IOInterface $io, $localConfig = null, $disablePlugins = false, $cwd = null, $fullLoad = true) { $cwd = $cwd ?: getcwd(); // load Composer configuration if (null === $localConfig) { $localConfig = static::getComposerFile(); } if (is_string($localConfig)) { $composerFile = $localConfig; $file = new JsonFile($localConfig, null, $io); if (!$file->exists()) { if ($localConfig === './composer.json' || $localConfig === 'composer.json') { $message = 'Composer could not find a composer.json file in '.$cwd; } else { $message = 'Composer could not find the config file: '.$localConfig; } $instructions = $fullLoad ? 'To initialize a project, please create a composer.json file as described in the https://getcomposer.org/ "Getting Started" section' : ''; throw new \InvalidArgumentException($message.PHP_EOL.$instructions); } $file->validateSchema(JsonFile::LAX_SCHEMA); $jsonParser = new JsonParser; try { $jsonParser->parse(file_get_contents($localConfig), JsonParser::DETECT_KEY_CONFLICTS); } catch (DuplicateKeyException $e) { $details = $e->getDetails(); $io->writeError('<warning>Key '.$details['key'].' is a duplicate in '.$localConfig.' at line '.$details['line'].'</warning>'); } $localConfig = $file->read(); } // Load config and override with local config/auth config $config = static::createConfig($io, $cwd); $config->merge($localConfig); if (isset($composerFile)) { $io->writeError('Loading config file ' . $composerFile .' ('.realpath($composerFile).')', true, IOInterface::DEBUG); $config->setConfigSource(new JsonConfigSource(new JsonFile(realpath($composerFile), null, $io))); $localAuthFile = new JsonFile(dirname(realpath($composerFile)) . '/auth.json', null, $io); if ($localAuthFile->exists()) { $io->writeError('Loading config file ' . $localAuthFile->getPath(), true, IOInterface::DEBUG); $config->merge(array('config' => $localAuthFile->read())); $config->setAuthConfigSource(new JsonConfigSource($localAuthFile, true)); } } $vendorDir = $config->get('vendor-dir'); // initialize composer $composer = new Composer(); $composer->setConfig($config); if ($fullLoad) { // load auth configs into the IO instance $io->loadConfiguration($config); // load existing Composer\InstalledVersions instance if available if (!class_exists('Composer\InstalledVersions', false) && file_exists($installedVersionsPath = $config->get('vendor-dir').'/composer/InstalledVersions.php')) { include $installedVersionsPath; } } $httpDownloader = self::createHttpDownloader($io, $config); $process = new ProcessExecutor($io); $loop = new Loop($httpDownloader, $process); $composer->setLoop($loop); // initialize event dispatcher $dispatcher = new EventDispatcher($composer, $io, $process); $composer->setEventDispatcher($dispatcher); // initialize repository manager $rm = RepositoryFactory::manager($io, $config, $httpDownloader, $dispatcher, $process); $composer->setRepositoryManager($rm); // force-set the version of the global package if not defined as // guessing it adds no value and only takes time if (!$fullLoad && !isset($localConfig['version'])) { $localConfig['version'] = '1.0.0'; } // load package $parser = new VersionParser; $guesser = new VersionGuesser($config, $process, $parser); $loader = $this->loadRootPackage($rm, $config, $parser, $guesser, $io); $package = $loader->load($localConfig, 'Composer\Package\RootPackage', $cwd); $composer->setPackage($package); // load local repository $this->addLocalRepository($io, $rm, $vendorDir, $package); // initialize installation manager $im = $this->createInstallationManager($loop, $io, $dispatcher); $composer->setInstallationManager($im); if ($fullLoad) { // initialize download manager $dm = $this->createDownloadManager($io, $config, $httpDownloader, $process, $dispatcher); $composer->setDownloadManager($dm); // initialize autoload generator $generator = new AutoloadGenerator($dispatcher, $io); $composer->setAutoloadGenerator($generator); // initialize archive manager $am = $this->createArchiveManager($config, $dm, $loop); $composer->setArchiveManager($am); } // add installers to the manager (must happen after download manager is created since they read it out of $composer) $this->createDefaultInstallers($im, $composer, $io, $process); if ($fullLoad) { $globalComposer = null; if (realpath($config->get('home')) !== $cwd) { $globalComposer = $this->createGlobalComposer($io, $config, $disablePlugins); } $pm = $this->createPluginManager($io, $composer, $globalComposer, $disablePlugins); $composer->setPluginManager($pm); $pm->loadInstalledPlugins(); } // init locker if possible if ($fullLoad && isset($composerFile)) { $lockFile = self::getLockFile($composerFile); $locker = new Package\Locker($io, new JsonFile($lockFile, null, $io), $im, file_get_contents($composerFile), $process); $composer->setLocker($locker); } if ($fullLoad) { $initEvent = new Event(PluginEvents::INIT); $composer->getEventDispatcher()->dispatch($initEvent->getName(), $initEvent); // once everything is initialized we can // purge packages from local repos if they have been deleted on the filesystem if ($rm->getLocalRepository()) { $this->purgePackages($rm->getLocalRepository(), $im); } } return $composer; } /** * @param IOInterface $io IO instance * @param bool $disablePlugins Whether plugins should not be loaded * @return Composer|null */ public static function createGlobal(IOInterface $io, $disablePlugins = false) { $factory = new static(); return $factory->createGlobalComposer($io, static::createConfig($io), $disablePlugins, true); } /** * @param Repository\RepositoryManager $rm * @param string $vendorDir */ protected function addLocalRepository(IOInterface $io, RepositoryManager $rm, $vendorDir, RootPackageInterface $rootPackage) { $rm->setLocalRepository(new Repository\InstalledFilesystemRepository(new JsonFile($vendorDir.'/composer/installed.json', null, $io), true, $rootPackage)); } /** * @param Config $config * @return Composer|null */ protected function createGlobalComposer(IOInterface $io, Config $config, $disablePlugins, $fullLoad = false) { $composer = null; try { $composer = $this->createComposer($io, $config->get('home') . '/composer.json', $disablePlugins, $config->get('home'), $fullLoad); } catch (\Exception $e) { $io->writeError('Failed to initialize global composer: '.$e->getMessage(), true, IOInterface::DEBUG); } return $composer; } /** * @param IO\IOInterface $io * @param Config $config * @param EventDispatcher $eventDispatcher * @return Downloader\DownloadManager */ public function createDownloadManager(IOInterface $io, Config $config, HttpDownloader $httpDownloader, ProcessExecutor $process, EventDispatcher $eventDispatcher = null) { $cache = null; if ($config->get('cache-files-ttl') > 0) { $cache = new Cache($io, $config->get('cache-files-dir'), 'a-z0-9_./'); $cache->setReadOnly($config->get('cache-read-only')); } $fs = new Filesystem($process); $dm = new Downloader\DownloadManager($io, false, $fs); switch ($preferred = $config->get('preferred-install')) { case 'dist': $dm->setPreferDist(true); break; case 'source': $dm->setPreferSource(true); break; case 'auto': default: // noop break; } if (is_array($preferred)) { $dm->setPreferences($preferred); } $dm->setDownloader('git', new Downloader\GitDownloader($io, $config, $process, $fs)); $dm->setDownloader('svn', new Downloader\SvnDownloader($io, $config, $process, $fs)); $dm->setDownloader('fossil', new Downloader\FossilDownloader($io, $config, $process, $fs)); $dm->setDownloader('hg', new Downloader\HgDownloader($io, $config, $process, $fs)); $dm->setDownloader('perforce', new Downloader\PerforceDownloader($io, $config, $process, $fs)); $dm->setDownloader('zip', new Downloader\ZipDownloader($io, $config, $httpDownloader, $eventDispatcher, $cache, $fs, $process)); $dm->setDownloader('rar', new Downloader\RarDownloader($io, $config, $httpDownloader, $eventDispatcher, $cache, $fs, $process)); $dm->setDownloader('tar', new Downloader\TarDownloader($io, $config, $httpDownloader, $eventDispatcher, $cache, $fs, $process)); $dm->setDownloader('gzip', new Downloader\GzipDownloader($io, $config, $httpDownloader, $eventDispatcher, $cache, $fs, $process)); $dm->setDownloader('xz', new Downloader\XzDownloader($io, $config, $httpDownloader, $eventDispatcher, $cache, $fs, $process)); $dm->setDownloader('phar', new Downloader\PharDownloader($io, $config, $httpDownloader, $eventDispatcher, $cache, $fs, $process)); $dm->setDownloader('file', new Downloader\FileDownloader($io, $config, $httpDownloader, $eventDispatcher, $cache, $fs, $process)); $dm->setDownloader('path', new Downloader\PathDownloader($io, $config, $httpDownloader, $eventDispatcher, $cache, $fs, $process)); return $dm; } /** * @param Config $config The configuration * @param Downloader\DownloadManager $dm Manager use to download sources * @return Archiver\ArchiveManager */ public function createArchiveManager(Config $config, Downloader\DownloadManager $dm, Loop $loop) { $am = new Archiver\ArchiveManager($dm, $loop); $am->addArchiver(new Archiver\ZipArchiver); $am->addArchiver(new Archiver\PharArchiver); return $am; } /** * @param IOInterface $io * @param Composer $composer * @param Composer $globalComposer * @param bool $disablePlugins * @return Plugin\PluginManager */ protected function createPluginManager(IOInterface $io, Composer $composer, Composer $globalComposer = null, $disablePlugins = false) { return new Plugin\PluginManager($io, $composer, $globalComposer, $disablePlugins); } /** * @return Installer\InstallationManager */ public function createInstallationManager(Loop $loop, IOInterface $io, EventDispatcher $eventDispatcher = null) { return new Installer\InstallationManager($loop, $io, $eventDispatcher); } /** * @param Installer\InstallationManager $im * @param Composer $composer * @param IO\IOInterface $io */ protected function createDefaultInstallers(Installer\InstallationManager $im, Composer $composer, IOInterface $io, ProcessExecutor $process = null) { $fs = new Filesystem($process); $binaryInstaller = new Installer\BinaryInstaller($io, rtrim($composer->getConfig()->get('bin-dir'), '/'), $composer->getConfig()->get('bin-compat'), $fs); $im->addInstaller(new Installer\LibraryInstaller($io, $composer, null, $fs, $binaryInstaller)); $im->addInstaller(new Installer\PluginInstaller($io, $composer, $fs, $binaryInstaller)); $im->addInstaller(new Installer\MetapackageInstaller($io)); } /** * @param WritableRepositoryInterface $repo repository to purge packages from * @param Installer\InstallationManager $im manager to check whether packages are still installed */ protected function purgePackages(WritableRepositoryInterface $repo, Installer\InstallationManager $im) { foreach ($repo->getPackages() as $package) { if (!$im->isPackageInstalled($repo, $package)) { $repo->removePackage($package); } } } protected function loadRootPackage(RepositoryManager $rm, Config $config, VersionParser $parser, VersionGuesser $guesser, IOInterface $io) { return new Package\Loader\RootPackageLoader($rm, $config, $parser, $guesser, $io); } /** * @param IOInterface $io IO instance * @param mixed $config either a configuration array or a filename to read from, if null it will read from * the default filename * @param bool $disablePlugins Whether plugins should not be loaded * @return Composer */ public static function create(IOInterface $io, $config = null, $disablePlugins = false) { $factory = new static(); return $factory->createComposer($io, $config, $disablePlugins); } /** * If you are calling this in a plugin, you probably should instead use $composer->getLoop()->getHttpDownloader() * * @param IOInterface $io IO instance * @param Config $config Config instance * @param array $options Array of options passed directly to HttpDownloader constructor * @return HttpDownloader */ public static function createHttpDownloader(IOInterface $io, Config $config, $options = array()) { static $warned = false; $disableTls = false; // allow running the config command if disable-tls is in the arg list, even if openssl is missing, to allow disabling it via the config command if (isset($_SERVER['argv']) && in_array('disable-tls', $_SERVER['argv']) && (in_array('conf', $_SERVER['argv']) || in_array('config', $_SERVER['argv']))) { $warned = true; $disableTls = !extension_loaded('openssl'); } elseif ($config && $config->get('disable-tls') === true) { if (!$warned) { $io->writeError('<warning>You are running Composer with SSL/TLS protection disabled.</warning>'); } $warned = true; $disableTls = true; } elseif (!extension_loaded('openssl')) { throw new Exception\NoSslException('The openssl extension is required for SSL/TLS protection but is not available. ' . 'If you can not enable the openssl extension, you can disable this error, at your own risk, by setting the \'disable-tls\' option to true.'); } $httpDownloaderOptions = array(); if ($disableTls === false) { if ($config && $config->get('cafile')) { $httpDownloaderOptions['ssl']['cafile'] = $config->get('cafile'); } if ($config && $config->get('capath')) { $httpDownloaderOptions['ssl']['capath'] = $config->get('capath'); } $httpDownloaderOptions = array_replace_recursive($httpDownloaderOptions, $options); } try { $httpDownloader = new HttpDownloader($io, $config, $httpDownloaderOptions, $disableTls); } catch (TransportException $e) { if (false !== strpos($e->getMessage(), 'cafile')) { $io->write('<error>Unable to locate a valid CA certificate file. You must set a valid \'cafile\' option.</error>'); $io->write('<error>A valid CA certificate file is required for SSL/TLS protection.</error>'); if (PHP_VERSION_ID < 50600) { $io->write('<error>It is recommended you upgrade to PHP 5.6+ which can detect your system CA file automatically.</error>'); } $io->write('<error>You can disable this error, at your own risk, by setting the \'disable-tls\' option to true.</error>'); } throw $e; } return $httpDownloader; } /** * @return bool */ private static function useXdg() { // As XDG is very patially implemted // resulting in command/code in ~/.config return false; foreach (array_keys($_SERVER) as $key) { if (strpos($key, 'XDG_') === 0) { return true; } } if (Silencer::call('is_dir', '/etc/xdg')) { return true; } return false; } /** * @throws \RuntimeException * @return string */ private static function getUserDir() { $home = getenv('HOME'); if (!$home) { throw new \RuntimeException('The HOME or COMPOSER_HOME environment variable must be set for composer to run correctly'); } return rtrim(strtr($home, '\\', '/'), '/'); } }