Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * API functions for installing Drupal.
Chris@0:  */
Chris@0: 
Chris@0: use Drupal\Component\Utility\UrlHelper;
Chris@17: use Drupal\Core\Batch\BatchBuilder;
Chris@17: use Drupal\Core\Config\ConfigImporter;
Chris@17: use Drupal\Core\Config\ConfigImporterException;
Chris@17: use Drupal\Core\Config\Importer\ConfigImporterBatch;
Chris@17: use Drupal\Core\Config\FileStorage;
Chris@17: use Drupal\Core\Config\StorageComparer;
Chris@0: use Drupal\Core\DrupalKernel;
Chris@0: use Drupal\Core\Database\Database;
Chris@0: use Drupal\Core\Database\DatabaseExceptionWrapper;
Chris@18: use Drupal\Core\File\FileSystemInterface;
Chris@0: use Drupal\Core\Form\FormState;
Chris@0: use Drupal\Core\Installer\Exception\AlreadyInstalledException;
Chris@0: use Drupal\Core\Installer\Exception\InstallerException;
Chris@0: use Drupal\Core\Installer\Exception\NoProfilesException;
Chris@0: use Drupal\Core\Installer\InstallerKernel;
Chris@0: use Drupal\Core\Language\Language;
Chris@0: use Drupal\Core\Language\LanguageManager;
Chris@0: use Drupal\Core\Logger\LoggerChannelFactory;
Chris@0: use Drupal\Core\Site\Settings;
Chris@0: use Drupal\Core\StringTranslation\Translator\FileTranslation;
Chris@0: use Drupal\Core\StackMiddleware\ReverseProxyMiddleware;
Chris@0: use Drupal\Core\StreamWrapper\PublicStream;
Chris@0: use Drupal\Core\Extension\ExtensionDiscovery;
Chris@0: use Drupal\Core\DependencyInjection\ContainerBuilder;
Chris@0: use Drupal\Core\Url;
Chris@0: use Drupal\language\Entity\ConfigurableLanguage;
Chris@0: use Symfony\Cmf\Component\Routing\RouteObjectInterface;
Chris@0: use Symfony\Component\DependencyInjection\Reference;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpFoundation\Response;
Chris@0: use Symfony\Component\Routing\Route;
Chris@0: use Drupal\user\Entity\User;
Chris@0: use GuzzleHttp\Exception\RequestException;
Chris@0: 
Chris@0: /**
Chris@0:  * Do not run the task during the current installation request.
Chris@0:  *
Chris@0:  * This can be used to skip running an installation task when certain
Chris@0:  * conditions are met, even though the task may still show on the list of
Chris@0:  * installation tasks presented to the user. For example, the Drupal installer
Chris@0:  * uses this flag to skip over the database configuration form when valid
Chris@0:  * database connection information is already available from settings.php. It
Chris@0:  * also uses this flag to skip language import tasks when the installation is
Chris@0:  * being performed in English.
Chris@0:  */
Chris@0: const INSTALL_TASK_SKIP = 1;
Chris@0: 
Chris@0: /**
Chris@0:  * Run the task on each installation request that reaches it.
Chris@0:  *
Chris@0:  * This is primarily used by the Drupal installer for bootstrap-related tasks.
Chris@0:  */
Chris@0: const INSTALL_TASK_RUN_IF_REACHED = 2;
Chris@0: 
Chris@0: /**
Chris@0:  * Run the task on each installation request until the database is set up.
Chris@0:  *
Chris@0:  * This is the default method for running tasks and should be used for most
Chris@0:  * tasks that occur after the database is set up; these tasks will then run
Chris@0:  * once and be marked complete once they are successfully finished. For
Chris@0:  * example, the Drupal installer uses this flag for the batch installation of
Chris@0:  * modules on the new site, and also for the configuration form that collects
Chris@0:  * basic site information and sets up the site maintenance account.
Chris@0:  */
Chris@0: const INSTALL_TASK_RUN_IF_NOT_COMPLETED = 3;
Chris@0: 
Chris@0: /**
Chris@0:  * Installs Drupal either interactively or via an array of passed-in settings.
Chris@0:  *
Chris@0:  * The Drupal installation happens in a series of steps, which may be spread
Chris@0:  * out over multiple page requests. Each request begins by trying to determine
Chris@0:  * the last completed installation step (also known as a "task"), if one is
Chris@0:  * available from a previous request. Control is then passed to the task
Chris@0:  * handler, which processes the remaining tasks that need to be run until (a)
Chris@0:  * an error is thrown, (b) a new page needs to be displayed, or (c) the
Chris@0:  * installation finishes (whichever happens first).
Chris@0:  *
Chris@0:  * @param $class_loader
Chris@0:  *   The class loader. Normally Composer's ClassLoader, as included by the
Chris@0:  *   front controller, but may also be decorated; e.g.,
Chris@0:  *   \Symfony\Component\ClassLoader\ApcClassLoader.
Chris@0:  * @param $settings
Chris@0:  *   An optional array of installation settings. Leave this empty for a normal,
Chris@0:  *   interactive, browser-based installation intended to occur over multiple
Chris@0:  *   page requests. Alternatively, if an array of settings is passed in, the
Chris@0:  *   installer will attempt to use it to perform the installation in a single
Chris@0:  *   page request (optimized for the command line) and not send any output
Chris@0:  *   intended for the web browser. See install_state_defaults() for a list of
Chris@0:  *   elements that are allowed to appear in this array.
Chris@17:  * @param callable $callback
Chris@17:  *   (optional) A callback to allow command line processes to update a progress
Chris@17:  *   bar. The callback is passed the $install_state variable.
Chris@0:  *
Chris@0:  * @see install_state_defaults()
Chris@0:  */
Chris@17: function install_drupal($class_loader, $settings = [], callable $callback = NULL) {
Chris@0:   global $install_state;
Chris@0:   // Initialize the installation state with the settings that were passed in,
Chris@0:   // as well as a boolean indicating whether or not this is an interactive
Chris@0:   // installation.
Chris@0:   $interactive = empty($settings);
Chris@0:   $install_state = $settings + ['interactive' => $interactive] + install_state_defaults();
Chris@0: 
Chris@0:   try {
Chris@0:     // Begin the page request. This adds information about the current state of
Chris@0:     // the Drupal installation to the passed-in array.
Chris@0:     install_begin_request($class_loader, $install_state);
Chris@0:     // Based on the installation state, run the remaining tasks for this page
Chris@0:     // request, and collect any output.
Chris@17:     $output = install_run_tasks($install_state, $callback);
Chris@0:   }
Chris@0:   catch (InstallerException $e) {
Chris@0:     // In the non-interactive installer, exceptions are always thrown directly.
Chris@0:     if (!$install_state['interactive']) {
Chris@0:       throw $e;
Chris@0:     }
Chris@0:     $output = [
Chris@0:       '#title' => $e->getTitle(),
Chris@0:       '#markup' => $e->getMessage(),
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   // After execution, all tasks might be complete, in which case
Chris@0:   // $install_state['installation_finished'] is TRUE. In case the last task
Chris@0:   // has been processed, remove the global $install_state, so other code can
Chris@0:   // reliably check whether it is running during the installer.
Chris@0:   // @see drupal_installation_attempted()
Chris@0:   $state = $install_state;
Chris@0:   if (!empty($install_state['installation_finished'])) {
Chris@0:     unset($GLOBALS['install_state']);
Chris@17:     // If installation is finished ensure any further container rebuilds do not
Chris@17:     // use the installer's service provider.
Chris@17:     unset($GLOBALS['conf']['container_service_providers']['InstallerServiceProvider']);
Chris@0:   }
Chris@0: 
Chris@0:   // All available tasks for this page request are now complete. Interactive
Chris@0:   // installations can send output to the browser or redirect the user to the
Chris@0:   // next page.
Chris@0:   if ($state['interactive']) {
Chris@0:     // If a session has been initiated in this request, make sure to save it.
Chris@18:     if (\Drupal::request()->hasSession()) {
Chris@18:       \Drupal::request()->getSession()->save();
Chris@0:     }
Chris@0:     if ($state['parameters_changed']) {
Chris@0:       // Redirect to the correct page if the URL parameters have changed.
Chris@0:       install_goto(install_redirect_url($state));
Chris@0:     }
Chris@0:     elseif (isset($output)) {
Chris@0:       // Display a page only if some output is available. Otherwise it is
Chris@0:       // possible that we are printing a JSON page and theme output should
Chris@0:       // not be shown.
Chris@0:       install_display_output($output, $state);
Chris@0:     }
Chris@0:     elseif ($state['installation_finished']) {
Chris@0:       // Redirect to the newly installed site.
Chris@17:       $finish_url = '';
Chris@17:       if (isset($install_state['profile_info']['distribution']['install']['finish_url'])) {
Chris@17:         $finish_url = $install_state['profile_info']['distribution']['install']['finish_url'];
Chris@17:       }
Chris@17:       install_goto($finish_url);
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Returns an array of default settings for the global installation state.
Chris@0:  *
Chris@0:  * The installation state is initialized with these settings at the beginning
Chris@0:  * of each page request. They may evolve during the page request, but they are
Chris@0:  * initialized again once the next request begins.
Chris@0:  *
Chris@0:  * Non-interactive Drupal installations can override some of these default
Chris@0:  * settings by passing in an array to the installation script, most notably
Chris@0:  * 'parameters' (which contains one-time parameters such as 'profile' and
Chris@0:  * 'langcode' that are normally passed in via the URL) and 'forms' (which can
Chris@0:  * be used to programmatically submit forms during the installation; the keys
Chris@0:  * of each element indicate the name of the installation task that the form
Chris@0:  * submission is for, and the values are used as the $form_state->getValues()
Chris@0:  * array that is passed on to the form submission via
Chris@0:  * \Drupal::formBuilder()->submitForm()).
Chris@0:  *
Chris@0:  * @see \Drupal\Core\Form\FormBuilderInterface::submitForm()
Chris@0:  */
Chris@0: function install_state_defaults() {
Chris@0:   $defaults = [
Chris@0:     // The current task being processed.
Chris@0:     'active_task' => NULL,
Chris@0:     // The last task that was completed during the previous installation
Chris@0:     // request.
Chris@0:     'completed_task' => NULL,
Chris@17:     // Partial configuration cached during an installation from existing config.
Chris@17:     'config' => NULL,
Chris@17:     // The path to the configuration to install when installing from config.
Chris@17:     'config_install_path' => NULL,
Chris@0:     // TRUE when there are valid config directories.
Chris@0:     'config_verified' => FALSE,
Chris@0:     // TRUE when there is a valid database connection.
Chris@0:     'database_verified' => FALSE,
Chris@0:     // TRUE if database is empty & ready to install.
Chris@0:     'database_ready' => FALSE,
Chris@0:     // TRUE when a valid settings.php exists (containing both database
Chris@0:     // connection information and config directory names).
Chris@0:     'settings_verified' => FALSE,
Chris@0:     // TRUE when the base system has been installed and is ready to operate.
Chris@0:     'base_system_verified' => FALSE,
Chris@0:     // Whether a translation file for the selected language will be downloaded
Chris@0:     // from the translation server.
Chris@0:     'download_translation' => FALSE,
Chris@0:     // An array of forms to be programmatically submitted during the
Chris@0:     // installation. The keys of each element indicate the name of the
Chris@0:     // installation task that the form submission is for, and the values are
Chris@0:     // used as the $form_state->getValues() array that is passed on to the form
Chris@0:     // submission via \Drupal::formBuilder()->submitForm().
Chris@0:     'forms' => [],
Chris@0:     // This becomes TRUE only at the end of the installation process, after
Chris@0:     // all available tasks have been completed and Drupal is fully installed.
Chris@0:     // It is used by the installer to store correct information in the database
Chris@0:     // about the completed installation, as well as to inform theme functions
Chris@0:     // that all tasks are finished (so that the task list can be displayed
Chris@0:     // correctly).
Chris@0:     'installation_finished' => FALSE,
Chris@0:     // Whether or not this installation is interactive. By default this will
Chris@0:     // be set to FALSE if settings are passed in to install_drupal().
Chris@0:     'interactive' => TRUE,
Chris@0:     // An array of parameters for the installation, pre-populated by the URL
Chris@0:     // or by the settings passed in to install_drupal(). This is primarily
Chris@0:     // used to store 'profile' (the name of the chosen installation profile)
Chris@0:     // and 'langcode' (the code of the chosen installation language), since
Chris@0:     // these settings need to persist from page request to page request before
Chris@0:     // the database is available for storage.
Chris@0:     'parameters' => [],
Chris@0:     // Whether or not the parameters have changed during the current page
Chris@0:     // request. For interactive installations, this will trigger a page
Chris@0:     // redirect.
Chris@0:     'parameters_changed' => FALSE,
Chris@0:     // An array of information about the chosen installation profile. This will
Chris@0:     // be filled in based on the profile's .info.yml file.
Chris@0:     'profile_info' => [],
Chris@0:     // An array of available installation profiles.
Chris@0:     'profiles' => [],
Chris@0:     // The name of the theme to use during installation.
Chris@0:     'theme' => 'seven',
Chris@0:     // The server URL where the interface translation files can be downloaded.
Chris@0:     // Tokens in the pattern will be replaced by appropriate values for the
Chris@0:     // required translation file.
Chris@0:     'server_pattern' => 'http://ftp.drupal.org/files/translations/%core/%project/%project-%version.%language.po',
Chris@0:     // Installation tasks can set this to TRUE to force the page request to
Chris@0:     // end (even if there is no themable output), in the case of an interactive
Chris@0:     // installation. This is needed only rarely; for example, it would be used
Chris@0:     // by an installation task that prints JSON output rather than returning a
Chris@0:     // themed page. The most common example of this is during batch processing,
Chris@0:     // but the Drupal installer automatically takes care of setting this
Chris@0:     // parameter properly in that case, so that individual installation tasks
Chris@0:     // which implement the batch API do not need to set it themselves.
Chris@0:     'stop_page_request' => FALSE,
Chris@0:     // Installation tasks can set this to TRUE to indicate that the task should
Chris@0:     // be run again, even if it normally wouldn't be. This can be used, for
Chris@0:     // example, if a single task needs to be spread out over multiple page
Chris@0:     // requests, or if it needs to perform some validation before allowing
Chris@0:     // itself to be marked complete. The most common examples of this are batch
Chris@0:     // processing and form submissions, but the Drupal installer automatically
Chris@0:     // takes care of setting this parameter properly in those cases, so that
Chris@0:     // individual installation tasks which implement the batch API or form API
Chris@0:     // do not need to set it themselves.
Chris@0:     'task_not_complete' => FALSE,
Chris@0:     // A list of installation tasks which have already been performed during
Chris@0:     // the current page request.
Chris@0:     'tasks_performed' => [],
Chris@0:     // An array of translation files URIs available for the installation. Keyed
Chris@0:     // by the translation language code.
Chris@0:     'translations' => [],
Chris@0:   ];
Chris@0:   return $defaults;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Begins an installation request, modifying the installation state as needed.
Chris@0:  *
Chris@0:  * This function performs commands that must run at the beginning of every page
Chris@0:  * request. It throws an exception if the installation should not proceed.
Chris@0:  *
Chris@0:  * @param $class_loader
Chris@0:  *   The class loader. Normally Composer's ClassLoader, as included by the
Chris@0:  *   front controller, but may also be decorated; e.g.,
Chris@0:  *   \Symfony\Component\ClassLoader\ApcClassLoader.
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state. This is
Chris@0:  *   modified with information gleaned from the beginning of the page request.
Chris@17:  *
Chris@17:  * @see install_drupal()
Chris@0:  */
Chris@0: function install_begin_request($class_loader, &$install_state) {
Chris@0:   $request = Request::createFromGlobals();
Chris@0: 
Chris@0:   // Add any installation parameters passed in via the URL.
Chris@0:   if ($install_state['interactive']) {
Chris@0:     $install_state['parameters'] += $request->query->all();
Chris@0:   }
Chris@0: 
Chris@0:   // Validate certain core settings that are used throughout the installation.
Chris@0:   if (!empty($install_state['parameters']['profile'])) {
Chris@0:     $install_state['parameters']['profile'] = preg_replace('/[^a-zA-Z_0-9]/', '', $install_state['parameters']['profile']);
Chris@0:   }
Chris@0:   if (!empty($install_state['parameters']['langcode'])) {
Chris@0:     $install_state['parameters']['langcode'] = preg_replace('/[^a-zA-Z_0-9\-]/', '', $install_state['parameters']['langcode']);
Chris@0:   }
Chris@0: 
Chris@0:   // Allow command line scripts to override server variables used by Drupal.
Chris@0:   require_once __DIR__ . '/bootstrap.inc';
Chris@0: 
Chris@0:   // If the hash salt leaks, it becomes possible to forge a valid testing user
Chris@0:   // agent, install a new copy of Drupal, and take over the original site.
Chris@0:   // The user agent header is used to pass a database prefix in the request when
Chris@0:   // running tests. However, for security reasons, it is imperative that no
Chris@0:   // installation be permitted using such a prefix.
Chris@0:   $user_agent = $request->cookies->get('SIMPLETEST_USER_AGENT') ?: $request->server->get('HTTP_USER_AGENT');
Chris@0:   if ($install_state['interactive'] && strpos($user_agent, 'simpletest') !== FALSE && !drupal_valid_test_ua()) {
Chris@0:     header($request->server->get('SERVER_PROTOCOL') . ' 403 Forbidden');
Chris@0:     exit;
Chris@0:   }
Chris@0:   if ($install_state['interactive'] && drupal_valid_test_ua()) {
Chris@0:     // Set the default timezone. While this doesn't cause any tests to fail, PHP
Chris@0:     // complains if 'date.timezone' is not set in php.ini. The Australia/Sydney
Chris@0:     // timezone is chosen so all tests are run using an edge case scenario
Chris@0:     // (UTC+10  and DST). This choice is made to prevent timezone related
Chris@0:     // regressions and reduce the fragility of the testing system in general.
Chris@0:     date_default_timezone_set('Australia/Sydney');
Chris@0:   }
Chris@0: 
Chris@17:   $site_path = empty($install_state['site_path']) ? DrupalKernel::findSitePath($request, FALSE) : $install_state['site_path'];
Chris@0:   Settings::initialize(dirname(dirname(__DIR__)), $site_path, $class_loader);
Chris@0: 
Chris@0:   // Ensure that procedural dependencies are loaded as early as possible,
Chris@0:   // since the error/exception handlers depend on them.
Chris@0:   require_once __DIR__ . '/../modules/system/system.install';
Chris@0:   require_once __DIR__ . '/common.inc';
Chris@0:   require_once __DIR__ . '/file.inc';
Chris@0:   require_once __DIR__ . '/install.inc';
Chris@0:   require_once __DIR__ . '/schema.inc';
Chris@0:   require_once __DIR__ . '/database.inc';
Chris@0:   require_once __DIR__ . '/form.inc';
Chris@0:   require_once __DIR__ . '/batch.inc';
Chris@0: 
Chris@0:   // Load module basics (needed for hook invokes).
Chris@0:   include_once __DIR__ . '/module.inc';
Chris@0:   require_once __DIR__ . '/entity.inc';
Chris@0: 
Chris@0:   // Create a minimal mocked container to support calls to t() in the pre-kernel
Chris@0:   // base system verification code paths below. The strings are not actually
Chris@0:   // used or output for these calls.
Chris@0:   // @todo Separate API level checks from UI-facing error messages.
Chris@0:   $container = new ContainerBuilder();
Chris@0:   $container->setParameter('language.default_values', Language::$defaultValues);
Chris@0:   $container
Chris@0:     ->register('language.default', 'Drupal\Core\Language\LanguageDefault')
Chris@0:     ->addArgument('%language.default_values%');
Chris@0:   $container
Chris@0:     ->register('string_translation', 'Drupal\Core\StringTranslation\TranslationManager')
Chris@0:     ->addArgument(new Reference('language.default'));
Chris@0: 
Chris@0:   // Register the stream wrapper manager.
Chris@0:   $container
Chris@0:     ->register('stream_wrapper_manager', 'Drupal\Core\StreamWrapper\StreamWrapperManager')
Chris@0:     ->addMethodCall('setContainer', [new Reference('service_container')]);
Chris@0:   $container
Chris@0:     ->register('file_system', 'Drupal\Core\File\FileSystem')
Chris@0:     ->addArgument(new Reference('stream_wrapper_manager'))
Chris@0:     ->addArgument(Settings::getInstance())
Chris@0:     ->addArgument((new LoggerChannelFactory())->get('file'));
Chris@0: 
Chris@0:   \Drupal::setContainer($container);
Chris@0: 
Chris@0:   // Determine whether base system services are ready to operate.
Chris@0:   try {
Chris@0:     $sync_directory = config_get_config_directory(CONFIG_SYNC_DIRECTORY);
Chris@0:     $install_state['config_verified'] = file_exists($sync_directory);
Chris@0:   }
Chris@0:   catch (Exception $e) {
Chris@0:     $install_state['config_verified'] = FALSE;
Chris@0:   }
Chris@0:   $install_state['database_verified'] = install_verify_database_settings($site_path);
Chris@0:   // A valid settings.php has database settings and a hash_salt value. Other
Chris@0:   // settings like config_directories will be checked by system_requirements().
Chris@0:   $install_state['settings_verified'] = $install_state['database_verified'] && (bool) Settings::get('hash_salt', FALSE);
Chris@0: 
Chris@0:   // Install factory tables only after checking the database.
Chris@0:   if ($install_state['database_verified'] && $install_state['database_ready']) {
Chris@0:     $container
Chris@0:       ->register('path.matcher', 'Drupal\Core\Path\PathMatcher')
Chris@0:       ->addArgument(new Reference('config.factory'));
Chris@0:   }
Chris@0: 
Chris@0:   if ($install_state['settings_verified']) {
Chris@0:     try {
Chris@0:       $system_schema = system_schema();
Chris@0:       end($system_schema);
Chris@0:       $table = key($system_schema);
Chris@0:       $install_state['base_system_verified'] = Database::getConnection()->schema()->tableExists($table);
Chris@0:     }
Chris@0:     catch (DatabaseExceptionWrapper $e) {
Chris@0:       // The last defined table of the base system_schema() does not exist yet.
Chris@0:       // $install_state['base_system_verified'] defaults to FALSE, so the code
Chris@0:       // following below will use the minimal installer service container.
Chris@0:       // As soon as the base system is verified here, the installer operates in
Chris@0:       // a full and regular Drupal environment, without any kind of exceptions.
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   // Replace services with in-memory and null implementations. This kernel is
Chris@0:   // replaced with a regular one in drupal_install_system().
Chris@0:   if (!$install_state['base_system_verified']) {
Chris@0:     $environment = 'install';
Chris@0:     $GLOBALS['conf']['container_service_providers']['InstallerServiceProvider'] = 'Drupal\Core\Installer\InstallerServiceProvider';
Chris@0:   }
Chris@0:   else {
Chris@0:     $environment = 'prod';
Chris@17:     $GLOBALS['conf']['container_service_providers']['InstallerServiceProvider'] = 'Drupal\Core\Installer\NormalInstallerServiceProvider';
Chris@0:   }
Chris@12:   $GLOBALS['conf']['container_service_providers']['InstallerConfigOverride'] = 'Drupal\Core\Installer\ConfigOverride';
Chris@0: 
Chris@17:   // Only allow dumping the container once the hash salt has been created. Note,
Chris@17:   // InstallerKernel::createFromRequest() is not used because Settings is
Chris@17:   // already initialized.
Chris@17:   $kernel = new InstallerKernel($environment, $class_loader, (bool) Settings::get('hash_salt', FALSE));
Chris@17:   $kernel::bootEnvironment();
Chris@0:   $kernel->setSitePath($site_path);
Chris@0:   $kernel->boot();
Chris@0:   $container = $kernel->getContainer();
Chris@0:   // If Drupal is being installed behind a proxy, configure the request.
Chris@0:   ReverseProxyMiddleware::setSettingsOnRequest($request, Settings::getInstance());
Chris@0: 
Chris@0:   // Register the file translation service.
Chris@0:   if (isset($GLOBALS['config']['locale.settings']['translation']['path'])) {
Chris@0:     $directory = $GLOBALS['config']['locale.settings']['translation']['path'];
Chris@0:   }
Chris@0:   else {
Chris@0:     $directory = $site_path . '/files/translations';
Chris@0:   }
Chris@0:   $container->set('string_translator.file_translation', new FileTranslation($directory));
Chris@0:   $container->get('string_translation')
Chris@0:     ->addTranslator($container->get('string_translator.file_translation'));
Chris@0: 
Chris@0:   // Add list of all available profiles to the installation state.
Chris@0:   $listing = new ExtensionDiscovery($container->get('app.root'));
Chris@0:   $listing->setProfileDirectories([]);
Chris@0:   $install_state['profiles'] += $listing->scan('profile');
Chris@0: 
Chris@0:   // Prime drupal_get_filename()'s static cache.
Chris@0:   foreach ($install_state['profiles'] as $name => $profile) {
Chris@0:     drupal_get_filename('profile', $name, $profile->getPathname());
Chris@17:     // drupal_get_filename() is called both with 'module' and 'profile', see
Chris@17:     // \Drupal\Core\Config\ConfigInstaller::getProfileStorages for example.
Chris@17:     drupal_get_filename('module', $name, $profile->getPathname());
Chris@0:   }
Chris@0: 
Chris@0:   if ($profile = _install_select_profile($install_state)) {
Chris@0:     $install_state['parameters']['profile'] = $profile;
Chris@0:     install_load_profile($install_state);
Chris@0:     if (isset($install_state['profile_info']['distribution']['install']['theme'])) {
Chris@0:       $install_state['theme'] = $install_state['profile_info']['distribution']['install']['theme'];
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@17:   // Before having installed the system module and being able to do a module
Chris@17:   // rebuild, prime the drupal_get_filename() static cache with the system
Chris@17:   // module's location.
Chris@17:   // @todo Remove as part of https://www.drupal.org/node/2186491
Chris@17:   drupal_get_filename('module', 'system', 'core/modules/system/system.info.yml');
Chris@17: 
Chris@17:   // Use the language from profile configuration if available.
Chris@17:   if (!empty($install_state['config_install_path']) && $install_state['config']['system.site']) {
Chris@17:     $install_state['parameters']['langcode'] = $install_state['config']['system.site']['default_langcode'];
Chris@17:   }
Chris@17:   elseif (isset($install_state['profile_info']['distribution']['langcode'])) {
Chris@17:     // Otherwise, Use the language from the profile configuration, if available,
Chris@17:     // to override the language previously set in the parameters.
Chris@0:     $install_state['parameters']['langcode'] = $install_state['profile_info']['distribution']['langcode'];
Chris@0:   }
Chris@0: 
Chris@0:   // Set the default language to the selected language, if any.
Chris@0:   if (isset($install_state['parameters']['langcode'])) {
Chris@0:     $default_language = new Language(['id' => $install_state['parameters']['langcode']]);
Chris@0:     $container->get('language.default')->set($default_language);
Chris@0:     \Drupal::translation()->setDefaultLangcode($install_state['parameters']['langcode']);
Chris@0:   }
Chris@0: 
Chris@0:   // Override the module list with a minimal set of modules.
Chris@0:   $module_handler = \Drupal::moduleHandler();
Chris@0:   if (!$module_handler->moduleExists('system')) {
Chris@0:     $module_handler->addModule('system', 'core/modules/system');
Chris@0:   }
Chris@0:   if ($profile && !$module_handler->moduleExists($profile)) {
Chris@0:     $module_handler->addProfile($profile, $install_state['profiles'][$profile]->getPath());
Chris@0:   }
Chris@0: 
Chris@0:   // Load all modules and perform request related initialization.
Chris@0:   $kernel->preHandle($request);
Chris@0: 
Chris@0:   // Initialize a route on this legacy request similar to
Chris@0:   // \Drupal\Core\DrupalKernel::prepareLegacyRequest() since normal routing
Chris@0:   // will not happen.
Chris@0:   $request->attributes->set(RouteObjectInterface::ROUTE_OBJECT, new Route('<none>'));
Chris@0:   $request->attributes->set(RouteObjectInterface::ROUTE_NAME, '<none>');
Chris@0: 
Chris@0:   // Prepare for themed output. We need to run this at the beginning of the
Chris@0:   // page request to avoid a different theme accidentally getting set. (We also
Chris@0:   // need to run it even in the case of command-line installations, to prevent
Chris@0:   // any code in the installer that happens to initialize the theme system from
Chris@0:   // accessing the database before it is set up yet.)
Chris@0:   drupal_maintenance_theme();
Chris@0: 
Chris@0:   if ($install_state['database_verified']) {
Chris@0:     // Verify the last completed task in the database, if there is one.
Chris@0:     $task = install_verify_completed_task();
Chris@0:   }
Chris@0:   else {
Chris@0:     $task = NULL;
Chris@0: 
Chris@0:     // Do not install over a configured settings.php.
Chris@0:     if (Database::getConnectionInfo()) {
Chris@0:       throw new AlreadyInstalledException($container->get('string_translation'));
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   // Ensure that the active configuration is empty before installation starts.
Chris@0:   if ($install_state['config_verified'] && empty($task)) {
Chris@0:     if (count($kernel->getConfigStorage()->listAll())) {
Chris@0:       $task = NULL;
Chris@0:       throw new AlreadyInstalledException($container->get('string_translation'));
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   // Modify the installation state as appropriate.
Chris@0:   $install_state['completed_task'] = $task;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Runs all tasks for the current installation request.
Chris@0:  *
Chris@0:  * In the case of an interactive installation, all tasks will be attempted
Chris@0:  * until one is reached that has output which needs to be displayed to the
Chris@0:  * user, or until a page redirect is required. Otherwise, tasks will be
Chris@0:  * attempted until the installation is finished.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state. This is
Chris@0:  *   passed along to each task, so it can be modified if necessary.
Chris@17:  * @param callable $callback
Chris@17:  *   (optional) A callback to allow command line processes to update a progress
Chris@17:  *   bar. The callback is passed the $install_state variable.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   HTML output from the last completed task.
Chris@0:  */
Chris@17: function install_run_tasks(&$install_state, callable $callback = NULL) {
Chris@0:   do {
Chris@0:     // Obtain a list of tasks to perform. The list of tasks itself can be
Chris@0:     // dynamic (e.g., some might be defined by the installation profile,
Chris@0:     // which is not necessarily known until the earlier tasks have run),
Chris@0:     // so we regenerate the remaining tasks based on the installation state,
Chris@0:     // each time through the loop.
Chris@0:     $tasks_to_perform = install_tasks_to_perform($install_state);
Chris@0:     // Run the first task on the list.
Chris@0:     reset($tasks_to_perform);
Chris@0:     $task_name = key($tasks_to_perform);
Chris@0:     $task = array_shift($tasks_to_perform);
Chris@0:     $install_state['active_task'] = $task_name;
Chris@0:     $original_parameters = $install_state['parameters'];
Chris@0:     $output = install_run_task($task, $install_state);
Chris@0:     // Ensure the maintenance theme is initialized. If the install task has
Chris@0:     // rebuilt the container the active theme will not be set. This can occur if
Chris@0:     // the task has installed a module.
Chris@0:     drupal_maintenance_theme();
Chris@0: 
Chris@0:     $install_state['parameters_changed'] = ($install_state['parameters'] != $original_parameters);
Chris@0:     // Store this task as having been performed during the current request,
Chris@0:     // and save it to the database as completed, if we need to and if the
Chris@0:     // database is in a state that allows us to do so. Also mark the
Chris@0:     // installation as 'done' when we have run out of tasks.
Chris@0:     if (!$install_state['task_not_complete']) {
Chris@0:       $install_state['tasks_performed'][] = $task_name;
Chris@0:       $install_state['installation_finished'] = empty($tasks_to_perform);
Chris@0:       if ($task['run'] == INSTALL_TASK_RUN_IF_NOT_COMPLETED || $install_state['installation_finished']) {
Chris@0:         \Drupal::state()->set('install_task', $install_state['installation_finished'] ? 'done' : $task_name);
Chris@0:       }
Chris@0:     }
Chris@17:     if ($callback) {
Chris@17:       $callback($install_state);
Chris@17:     }
Chris@0:     // Stop when there are no tasks left. In the case of an interactive
Chris@0:     // installation, also stop if we have some output to send to the browser,
Chris@0:     // the URL parameters have changed, or an end to the page request was
Chris@0:     // specifically called for.
Chris@0:     $finished = empty($tasks_to_perform) || ($install_state['interactive'] && (isset($output) || $install_state['parameters_changed'] || $install_state['stop_page_request']));
Chris@0:   } while (!$finished);
Chris@0:   return $output;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Runs an individual installation task.
Chris@0:  *
Chris@0:  * @param $task
Chris@0:  *   An array of information about the task to be run as returned by
Chris@0:  *   hook_install_tasks().
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state. This is
Chris@0:  *   passed in by reference so that it can be modified by the task.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   The output of the task function, if there is any.
Chris@0:  */
Chris@0: function install_run_task($task, &$install_state) {
Chris@0:   $function = $task['function'];
Chris@0: 
Chris@0:   if ($task['type'] == 'form') {
Chris@0:     return install_get_form($function, $install_state);
Chris@0:   }
Chris@0:   elseif ($task['type'] == 'batch') {
Chris@0:     // Start a new batch based on the task function, if one is not running
Chris@0:     // already.
Chris@0:     $current_batch = \Drupal::state()->get('install_current_batch');
Chris@0:     if (!$install_state['interactive'] || !$current_batch) {
Chris@0:       $batches = $function($install_state);
Chris@0:       if (empty($batches)) {
Chris@0:         // If the task did some processing and decided no batch was necessary,
Chris@0:         // there is nothing more to do here.
Chris@0:         return;
Chris@0:       }
Chris@0:       // Create a one item list of batches if only one batch was provided.
Chris@0:       if (isset($batches['operations'])) {
Chris@0:         $batches = [$batches];
Chris@0:       }
Chris@0:       foreach ($batches as $batch) {
Chris@0:         batch_set($batch);
Chris@0:         // For interactive batches, we need to store the fact that this batch
Chris@0:         // task is currently running. Otherwise, we need to make sure the batch
Chris@0:         // will complete in one page request.
Chris@0:         if ($install_state['interactive']) {
Chris@0:           \Drupal::state()->set('install_current_batch', $function);
Chris@0:         }
Chris@0:         else {
Chris@0:           $batch =& batch_get();
Chris@0:           $batch['progressive'] = FALSE;
Chris@0:         }
Chris@0:       }
Chris@0:       // Process the batch. For progressive batches, this will redirect.
Chris@0:       // Otherwise, the batch will complete.
Chris@0:       // Disable the default script for the URL and clone the object, as
Chris@0:       // batch_process() will add additional options to the batch URL.
Chris@0:       $url = Url::fromUri('base:install.php', ['query' => $install_state['parameters'], 'script' => '']);
Chris@0:       $response = batch_process($url, clone $url);
Chris@0:       if ($response instanceof Response) {
Chris@18:         if (\Drupal::request()->hasSession()) {
Chris@18:           \Drupal::request()->getSession()->save();
Chris@0:         }
Chris@0:         // Send the response.
Chris@0:         $response->send();
Chris@0:         exit;
Chris@0:       }
Chris@0:     }
Chris@0:     // If we are in the middle of processing this batch, keep sending back
Chris@0:     // any output from the batch process, until the task is complete.
Chris@0:     elseif ($current_batch == $function) {
Chris@0:       $output = _batch_page(\Drupal::request());
Chris@0:       // Because Batch API now returns a JSON response for intermediary steps,
Chris@0:       // but the installer doesn't handle Response objects yet, just send the
Chris@0:       // output here and emulate the old model.
Chris@0:       // @todo Replace this when we refactor the installer to use a request-
Chris@0:       //   response workflow.
Chris@0:       if ($output instanceof Response) {
Chris@0:         $output->send();
Chris@0:         $output = NULL;
Chris@0:       }
Chris@0:       // The task is complete when we try to access the batch page and receive
Chris@0:       // FALSE in return, since this means we are at a URL where we are no
Chris@0:       // longer requesting a batch ID.
Chris@0:       if ($output === FALSE) {
Chris@0:         // Return nothing so the next task will run in the same request.
Chris@0:         \Drupal::state()->delete('install_current_batch');
Chris@0:         return;
Chris@0:       }
Chris@0:       else {
Chris@0:         // We need to force the page request to end if the task is not
Chris@0:         // complete, since the batch API sometimes prints JSON output
Chris@0:         // rather than returning a themed page.
Chris@0:         $install_state['task_not_complete'] = $install_state['stop_page_request'] = TRUE;
Chris@0:         return $output;
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   else {
Chris@0:     // For normal tasks, just return the function result, whatever it is.
Chris@0:     return $function($install_state);
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Returns a list of tasks to perform during the current installation request.
Chris@0:  *
Chris@0:  * Note that the list of tasks can change based on the installation state as
Chris@0:  * the page request evolves (for example, if an installation profile hasn't
Chris@0:  * been selected yet, we don't yet know which profile tasks need to be run).
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   A list of tasks to be performed, with associated metadata.
Chris@0:  */
Chris@0: function install_tasks_to_perform($install_state) {
Chris@0:   // Start with a list of all currently available tasks.
Chris@0:   $tasks = install_tasks($install_state);
Chris@0:   foreach ($tasks as $name => $task) {
Chris@0:     // Remove any tasks that were already performed or that never should run.
Chris@0:     // Also, if we started this page request with an indication of the last
Chris@0:     // task that was completed, skip that task and all those that come before
Chris@0:     // it, unless they are marked as always needing to run.
Chris@0:     if ($task['run'] == INSTALL_TASK_SKIP || in_array($name, $install_state['tasks_performed']) || (!empty($install_state['completed_task']) && empty($completed_task_found) && $task['run'] != INSTALL_TASK_RUN_IF_REACHED)) {
Chris@0:       unset($tasks[$name]);
Chris@0:     }
Chris@0:     if (!empty($install_state['completed_task']) && $name == $install_state['completed_task']) {
Chris@0:       $completed_task_found = TRUE;
Chris@0:     }
Chris@0:   }
Chris@0:   return $tasks;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Returns a list of all tasks the installer currently knows about.
Chris@0:  *
Chris@0:  * This function will return tasks regardless of whether or not they are
Chris@0:  * intended to run on the current page request. However, the list can change
Chris@0:  * based on the installation state (for example, if an installation profile
Chris@0:  * hasn't been selected yet, we don't yet know which profile tasks will be
Chris@0:  * available).
Chris@0:  *
Chris@0:  * You can override this using hook_install_tasks() or
Chris@0:  * hook_install_tasks_alter().
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   A list of tasks, with associated metadata as returned by
Chris@0:  *   hook_install_tasks().
Chris@0:  */
Chris@0: function install_tasks($install_state) {
Chris@0:   // Determine whether a translation file must be imported during the
Chris@0:   // 'install_import_translations' task. Import when a non-English language is
Chris@0:   // available and selected. Also we will need translations even if the
Chris@0:   // installer language is English but there are other languages on the system.
Chris@0:   $needs_translations = (count($install_state['translations']) > 1 && !empty($install_state['parameters']['langcode']) && $install_state['parameters']['langcode'] != 'en') || \Drupal::languageManager()->isMultilingual();
Chris@0:   // Determine whether a translation file must be downloaded during the
Chris@0:   // 'install_download_translation' task. Download when a non-English language
Chris@0:   // is selected, but no translation is yet in the translations directory.
Chris@0:   $needs_download = isset($install_state['parameters']['langcode']) && !isset($install_state['translations'][$install_state['parameters']['langcode']]) && $install_state['parameters']['langcode'] != 'en';
Chris@0: 
Chris@0:   // Start with the core installation tasks that run before handing control
Chris@0:   // to the installation profile.
Chris@0:   $tasks = [
Chris@0:     'install_select_language' => [
Chris@0:       'display_name' => t('Choose language'),
Chris@0:       'run' => INSTALL_TASK_RUN_IF_REACHED,
Chris@0:     ],
Chris@0:     'install_download_translation' => [
Chris@0:       'run' => $needs_download ? INSTALL_TASK_RUN_IF_REACHED : INSTALL_TASK_SKIP,
Chris@0:     ],
Chris@0:     'install_select_profile' => [
Chris@0:       'display_name' => t('Choose profile'),
Chris@0:       'display' => empty($install_state['profile_info']['distribution']['name']) && count($install_state['profiles']) != 1,
Chris@0:       'run' => INSTALL_TASK_RUN_IF_REACHED,
Chris@0:     ],
Chris@0:     'install_load_profile' => [
Chris@0:       'run' => INSTALL_TASK_RUN_IF_REACHED,
Chris@0:     ],
Chris@0:     'install_verify_requirements' => [
Chris@0:       'display_name' => t('Verify requirements'),
Chris@0:     ],
Chris@0:     'install_settings_form' => [
Chris@0:       'display_name' => t('Set up database'),
Chris@0:       'type' => 'form',
Chris@0:       // Even though the form only allows the user to enter database settings,
Chris@0:       // we still need to display it if settings.php is invalid in any way,
Chris@0:       // since the form submit handler is where settings.php is rewritten.
Chris@0:       'run' => $install_state['settings_verified'] ? INSTALL_TASK_SKIP : INSTALL_TASK_RUN_IF_NOT_COMPLETED,
Chris@0:       'function' => 'Drupal\Core\Installer\Form\SiteSettingsForm',
Chris@0:     ],
Chris@0:     'install_write_profile' => [],
Chris@0:     'install_verify_database_ready' => [
Chris@0:       'run' => $install_state['database_ready'] ? INSTALL_TASK_SKIP : INSTALL_TASK_RUN_IF_NOT_COMPLETED,
Chris@0:     ],
Chris@0:     'install_base_system' => [
Chris@0:       'run' => $install_state['base_system_verified'] ? INSTALL_TASK_SKIP : INSTALL_TASK_RUN_IF_NOT_COMPLETED,
Chris@0:     ],
Chris@0:     // All tasks below are executed in a regular, full Drupal environment.
Chris@0:     'install_bootstrap_full' => [
Chris@0:       'run' => INSTALL_TASK_RUN_IF_REACHED,
Chris@0:     ],
Chris@0:     'install_profile_modules' => [
Chris@0:       'display_name' => t('Install site'),
Chris@0:       'type' => 'batch',
Chris@0:     ],
Chris@0:     'install_profile_themes' => [],
Chris@0:     'install_install_profile' => [],
Chris@0:     'install_import_translations' => [
Chris@0:       'display_name' => t('Set up translations'),
Chris@0:       'display' => $needs_translations,
Chris@0:       'type' => 'batch',
Chris@0:       'run' => $needs_translations ? INSTALL_TASK_RUN_IF_NOT_COMPLETED : INSTALL_TASK_SKIP,
Chris@0:     ],
Chris@0:     'install_configure_form' => [
Chris@0:       'display_name' => t('Configure site'),
Chris@0:       'type' => 'form',
Chris@0:       'function' => 'Drupal\Core\Installer\Form\SiteConfigureForm',
Chris@0:     ],
Chris@0:   ];
Chris@0: 
Chris@17:   if (!empty($install_state['config_install_path'])) {
Chris@17:     // The chosen profile indicates that rather than installing a new site, an
Chris@17:     // instance of the same site should be installed from the given
Chris@17:     // configuration.
Chris@17:     // That means we need to remove the steps installing the extensions and
Chris@17:     // replace them with a configuration synchronization step.
Chris@17:     unset($tasks['install_download_translation']);
Chris@17:     $key = array_search('install_profile_modules', array_keys($tasks), TRUE);
Chris@17:     unset($tasks['install_profile_modules']);
Chris@17:     unset($tasks['install_profile_themes']);
Chris@17:     unset($tasks['install_install_profile']);
Chris@17:     $config_tasks = [
Chris@17:       'install_config_import_batch' => [
Chris@17:         'display_name' => t('Install configuration'),
Chris@17:         'type' => 'batch',
Chris@17:       ],
Chris@17:       'install_config_download_translations' => [],
Chris@17:       'install_config_revert_install_changes' => [],
Chris@17:     ];
Chris@17:     $tasks = array_slice($tasks, 0, $key, TRUE) +
Chris@17:       $config_tasks +
Chris@17:       array_slice($tasks, $key, NULL, TRUE);
Chris@17:   }
Chris@17: 
Chris@0:   // Now add any tasks defined by the installation profile.
Chris@0:   if (!empty($install_state['parameters']['profile'])) {
Chris@0:     // Load the profile install file, because it is not always loaded when
Chris@0:     // hook_install_tasks() is invoked (e.g. batch processing).
Chris@0:     $profile = $install_state['parameters']['profile'];
Chris@0:     $profile_install_file = $install_state['profiles'][$profile]->getPath() . '/' . $profile . '.install';
Chris@0:     if (file_exists($profile_install_file)) {
Chris@0:       include_once \Drupal::root() . '/' . $profile_install_file;
Chris@0:     }
Chris@0:     $function = $install_state['parameters']['profile'] . '_install_tasks';
Chris@0:     if (function_exists($function)) {
Chris@0:       $result = $function($install_state);
Chris@0:       if (is_array($result)) {
Chris@0:         $tasks += $result;
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   // Finish by adding the remaining core tasks.
Chris@0:   $tasks += [
Chris@0:     'install_finish_translations' => [
Chris@0:       'display_name' => t('Finish translations'),
Chris@0:       'display' => $needs_translations,
Chris@0:       'type' => 'batch',
Chris@0:       'run' => $needs_translations ? INSTALL_TASK_RUN_IF_NOT_COMPLETED : INSTALL_TASK_SKIP,
Chris@0:     ],
Chris@0:     'install_finished' => [],
Chris@0:   ];
Chris@0: 
Chris@0:   // Allow the installation profile to modify the full list of tasks.
Chris@0:   if (!empty($install_state['parameters']['profile'])) {
Chris@0:     $profile = $install_state['parameters']['profile'];
Chris@0:     if ($install_state['profiles'][$profile]->load()) {
Chris@0:       $function = $install_state['parameters']['profile'] . '_install_tasks_alter';
Chris@0:       if (function_exists($function)) {
Chris@0:         $function($tasks, $install_state);
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   // Fill in default parameters for each task before returning the list.
Chris@0:   foreach ($tasks as $task_name => &$task) {
Chris@0:     $task += [
Chris@0:       'display_name' => NULL,
Chris@0:       'display' => !empty($task['display_name']),
Chris@0:       'type' => 'normal',
Chris@0:       'run' => INSTALL_TASK_RUN_IF_NOT_COMPLETED,
Chris@0:       'function' => $task_name,
Chris@0:     ];
Chris@0:   }
Chris@0:   return $tasks;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Returns a list of tasks that should be displayed to the end user.
Chris@0:  *
Chris@0:  * The output of this function is a list suitable for sending to
Chris@0:  * maintenance-task-list.html.twig.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   A list of tasks, with keys equal to the machine-readable task name and
Chris@0:  *   values equal to the name that should be displayed.
Chris@0:  *
Chris@0:  * @see maintenance-task-list.html.twig
Chris@0:  */
Chris@0: function install_tasks_to_display($install_state) {
Chris@0:   $displayed_tasks = [];
Chris@0:   foreach (install_tasks($install_state) as $name => $task) {
Chris@0:     if ($task['display']) {
Chris@0:       $displayed_tasks[$name] = $task['display_name'];
Chris@0:     }
Chris@0:   }
Chris@0:   return $displayed_tasks;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Builds and processes a form for the installer environment.
Chris@0:  *
Chris@0:  * Ensures that FormBuilder does not redirect after submitting a form, since the
Chris@0:  * installer uses a custom step/flow logic via install_run_tasks().
Chris@0:  *
Chris@0:  * @param string|array $form_id
Chris@0:  *   The form ID to build and process.
Chris@0:  * @param array $install_state
Chris@0:  *   The current state of the installation.
Chris@0:  *
Chris@0:  * @return array|null
Chris@0:  *   A render array containing the form to render, or NULL in case the form was
Chris@0:  *   successfully submitted.
Chris@0:  *
Chris@0:  * @throws \Drupal\Core\Installer\Exception\InstallerException
Chris@0:  */
Chris@0: function install_get_form($form_id, array &$install_state) {
Chris@0:   // Ensure the form will not redirect, since install_run_tasks() uses a custom
Chris@0:   // redirection logic.
Chris@0:   $form_state = (new FormState())
Chris@0:     ->addBuildInfo('args', [&$install_state])
Chris@0:     ->disableRedirect();
Chris@0:   $form_builder = \Drupal::formBuilder();
Chris@0:   if ($install_state['interactive']) {
Chris@0:     $form = $form_builder->buildForm($form_id, $form_state);
Chris@0:     // If the form submission was not successful, the form needs to be rendered,
Chris@0:     // which means the task is not complete yet.
Chris@0:     if (!$form_state->isExecuted()) {
Chris@0:       $install_state['task_not_complete'] = TRUE;
Chris@0:       return $form;
Chris@0:     }
Chris@0:   }
Chris@0:   else {
Chris@0:     // For non-interactive installs, submit the form programmatically with the
Chris@0:     // values taken from the installation state.
Chris@0:     $install_form_id = $form_builder->getFormId($form_id, $form_state);
Chris@0:     if (!empty($install_state['forms'][$install_form_id])) {
Chris@0:       $form_state->setValues($install_state['forms'][$install_form_id]);
Chris@0:     }
Chris@0:     $form_builder->submitForm($form_id, $form_state);
Chris@0: 
Chris@0:     // Throw an exception in case of any form validation error.
Chris@0:     if ($errors = $form_state->getErrors()) {
Chris@0:       throw new InstallerException(implode("\n", $errors));
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Returns the URL that should be redirected to during an installation request.
Chris@0:  *
Chris@0:  * The output of this function is suitable for sending to install_goto().
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   The URL to redirect to.
Chris@0:  *
Chris@0:  * @see install_full_redirect_url()
Chris@0:  */
Chris@0: function install_redirect_url($install_state) {
Chris@0:   return 'core/install.php?' . UrlHelper::buildQuery($install_state['parameters']);
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Returns the complete URL redirected to during an installation request.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   The complete URL to redirect to.
Chris@0:  *
Chris@0:  * @see install_redirect_url()
Chris@0:  */
Chris@0: function install_full_redirect_url($install_state) {
Chris@0:   global $base_url;
Chris@0:   return $base_url . '/' . install_redirect_url($install_state);
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Displays themed installer output and ends the page request.
Chris@0:  *
Chris@0:  * Installation tasks should use #title to set the desired page
Chris@0:  * title, but otherwise this function takes care of theming the overall page
Chris@0:  * output during every step of the installation.
Chris@0:  *
Chris@0:  * @param $output
Chris@0:  *   The content to display on the main part of the page.
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  */
Chris@0: function install_display_output($output, $install_state) {
Chris@0:   // Ensure the maintenance theme is initialized.
Chris@0:   // The regular initialization call in install_begin_request() may not be
Chris@0:   // reached in case of an early installer error.
Chris@0:   drupal_maintenance_theme();
Chris@0: 
Chris@0:   // Prevent install.php from being indexed when installed in a sub folder.
Chris@0:   // robots.txt rules are not read if the site is within domain.com/subfolder
Chris@0:   // resulting in /subfolder/install.php being found through search engines.
Chris@0:   // When settings.php is writeable this can be used via an external database
Chris@0:   // leading a malicious user to gain php access to the server.
Chris@0:   $noindex_meta_tag = [
Chris@0:     '#tag' => 'meta',
Chris@0:     '#attributes' => [
Chris@0:       'name' => 'robots',
Chris@0:       'content' => 'noindex, nofollow',
Chris@0:     ],
Chris@0:   ];
Chris@0:   $output['#attached']['html_head'][] = [$noindex_meta_tag, 'install_meta_robots'];
Chris@0: 
Chris@0:   // Only show the task list if there is an active task; otherwise, the page
Chris@0:   // request has ended before tasks have even been started, so there is nothing
Chris@0:   // meaningful to show.
Chris@0:   $regions = [];
Chris@0:   if (isset($install_state['active_task'])) {
Chris@0:     // Let the theming function know when every step of the installation has
Chris@0:     // been completed.
Chris@0:     $active_task = $install_state['installation_finished'] ? NULL : $install_state['active_task'];
Chris@0:     $task_list = [
Chris@0:       '#theme' => 'maintenance_task_list',
Chris@0:       '#items' => install_tasks_to_display($install_state),
Chris@0:       '#active' => $active_task,
Chris@0:     ];
Chris@0:     $regions['sidebar_first'] = $task_list;
Chris@0:   }
Chris@0: 
Chris@0:   $bare_html_page_renderer = \Drupal::service('bare_html_page_renderer');
Chris@0:   $response = $bare_html_page_renderer->renderBarePage($output, $output['#title'], 'install_page', $regions);
Chris@0:   $default_headers = [
Chris@0:     'Expires' => 'Sun, 19 Nov 1978 05:00:00 GMT',
Chris@0:     'Last-Modified' => gmdate(DATE_RFC1123, REQUEST_TIME),
Chris@0:     'Cache-Control' => 'no-cache, must-revalidate',
Chris@0:     'ETag' => '"' . REQUEST_TIME . '"',
Chris@0:   ];
Chris@0:   $response->headers->add($default_headers);
Chris@0:   $response->send();
Chris@0:   exit;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Verifies the requirements for installing Drupal.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   A themed status report, or an exception if there are requirement errors.
Chris@0:  */
Chris@0: function install_verify_requirements(&$install_state) {
Chris@0:   // Check the installation requirements for Drupal and this profile.
Chris@0:   $requirements = install_check_requirements($install_state);
Chris@0: 
Chris@0:   // Verify existence of all required modules.
Chris@0:   $requirements += drupal_verify_profile($install_state);
Chris@0: 
Chris@0:   return install_display_requirements($install_state, $requirements);
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Installation task; install the base functionality Drupal needs to bootstrap.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  */
Chris@0: function install_base_system(&$install_state) {
Chris@0:   // Install system.module.
Chris@0:   drupal_install_system($install_state);
Chris@0: 
Chris@0:   // Prevent the installer from using the system temporary directory after the
Chris@0:   // system module has been installed.
Chris@0:   if (drupal_valid_test_ua()) {
Chris@0:     // While the temporary directory could be preset/enforced in settings.php
Chris@0:     // like the public files directory, some tests expect it to be configurable
Chris@0:     // in the UI. If declared in settings.php, they would no longer be
Chris@0:     // configurable. The temporary directory needs to match what is set in each
Chris@0:     // test types ::prepareEnvironment() step.
Chris@0:     $temporary_directory = dirname(PublicStream::basePath()) . '/temp';
Chris@18:     \Drupal::service('file_system')->prepareDirectory($temporary_directory, FileSystemInterface::MODIFY_PERMISSIONS | FileSystemInterface::CREATE_DIRECTORY);
Chris@0:     \Drupal::configFactory()->getEditable('system.file')
Chris@0:       ->set('path.temporary', $temporary_directory)
Chris@0:       ->save();
Chris@0:   }
Chris@0: 
Chris@0:   // Call file_ensure_htaccess() to ensure that all of Drupal's standard
Chris@0:   // directories (e.g., the public files directory and config directory) have
Chris@0:   // appropriate .htaccess files. These directories will have already been
Chris@0:   // created by this point in the installer, since Drupal creates them during
Chris@0:   // the install_verify_requirements() task. Note that we cannot call
Chris@0:   // file_ensure_access() any earlier than this, since it relies on
Chris@0:   // system.module in order to work.
Chris@0:   file_ensure_htaccess();
Chris@0: 
Chris@0:   // Prime the drupal_get_filename() static cache with the user module's
Chris@0:   // exact location.
Chris@0:   // @todo Remove as part of https://www.drupal.org/node/2186491
Chris@0:   drupal_get_filename('module', 'user', 'core/modules/user/user.info.yml');
Chris@0: 
Chris@0:   // Enable the user module so that sessions can be recorded during the
Chris@0:   // upcoming bootstrap step.
Chris@0:   \Drupal::service('module_installer')->install(['user'], FALSE);
Chris@0: 
Chris@0:   // Save the list of other modules to install for the upcoming tasks.
Chris@0:   // State can be set to the database now that system.module is installed.
Chris@17:   $modules = $install_state['profile_info']['install'];
Chris@0: 
Chris@0:   \Drupal::state()->set('install_profile_modules', array_diff($modules, ['system']));
Chris@0:   $install_state['base_system_verified'] = TRUE;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Verifies and returns the last installation task that was completed.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   The last completed task, if there is one. An exception is thrown if Drupal
Chris@0:  *   is already installed.
Chris@0:  */
Chris@0: function install_verify_completed_task() {
Chris@0:   try {
Chris@0:     $task = \Drupal::state()->get('install_task');
Chris@0:   }
Chris@0:   // Do not trigger an error if the database query fails, since the database
Chris@0:   // might not be set up yet.
Chris@0:   catch (\Exception $e) {
Chris@0:   }
Chris@0:   if (isset($task)) {
Chris@0:     if ($task == 'done') {
Chris@0:       throw new AlreadyInstalledException(\Drupal::service('string_translation'));
Chris@0:     }
Chris@0:     return $task;
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Verifies that settings.php specifies a valid database connection.
Chris@0:  *
Chris@0:  * @param string $site_path
Chris@0:  *   The site path.
Chris@0:  *
Chris@0:  * @return bool
Chris@0:  *   TRUE if there are no database errors.
Chris@0:  */
Chris@0: function install_verify_database_settings($site_path) {
Chris@0:   if ($database = Database::getConnectionInfo()) {
Chris@0:     $database = $database['default'];
Chris@0:     $settings_file = './' . $site_path . '/settings.php';
Chris@0:     $errors = install_database_errors($database, $settings_file);
Chris@0:     if (empty($errors)) {
Chris@0:       return TRUE;
Chris@0:     }
Chris@0:   }
Chris@0:   return FALSE;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Verify that the database is ready (no existing Drupal installation).
Chris@0:  */
Chris@0: function install_verify_database_ready() {
Chris@0:   $system_schema = system_schema();
Chris@0:   end($system_schema);
Chris@0:   $table = key($system_schema);
Chris@0: 
Chris@0:   if ($database = Database::getConnectionInfo()) {
Chris@0:     if (Database::getConnection()->schema()->tableExists($table)) {
Chris@0:       throw new AlreadyInstalledException(\Drupal::service('string_translation'));
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Checks a database connection and returns any errors.
Chris@0:  */
Chris@0: function install_database_errors($database, $settings_file) {
Chris@0:   $errors = [];
Chris@0: 
Chris@0:   // Check database type.
Chris@0:   $database_types = drupal_get_database_types();
Chris@0:   $driver = $database['driver'];
Chris@0:   if (!isset($database_types[$driver])) {
Chris@0:     $errors['driver'] = t("In your %settings_file file you have configured @drupal to use a %driver server, however your PHP installation currently does not support this database type.", ['%settings_file' => $settings_file, '@drupal' => drupal_install_profile_distribution_name(), '%driver' => $driver]);
Chris@0:   }
Chris@0:   else {
Chris@0:     // Run driver specific validation
Chris@0:     $errors += $database_types[$driver]->validateDatabaseSettings($database);
Chris@0:     if (!empty($errors)) {
Chris@0:       // No point to try further.
Chris@0:       return $errors;
Chris@0:     }
Chris@0:     // Run tasks associated with the database type. Any errors are caught in the
Chris@0:     // calling function.
Chris@0:     Database::addConnectionInfo('default', 'default', $database);
Chris@0: 
Chris@0:     $errors = db_installer_object($driver)->runTasks();
Chris@0:   }
Chris@0:   return $errors;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Selects which profile to install.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state. The chosen
Chris@0:  *   profile will be added here, if it was not already selected previously, as
Chris@0:  *   will a list of all available profiles.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   For interactive installations, a form allowing the profile to be selected,
Chris@0:  *   if the user has a choice that needs to be made. Otherwise, an exception is
Chris@0:  *   thrown if a profile cannot be chosen automatically.
Chris@0:  */
Chris@0: function install_select_profile(&$install_state) {
Chris@0:   if (empty($install_state['parameters']['profile'])) {
Chris@0:     // If there are no profiles at all, installation cannot proceed.
Chris@0:     if (empty($install_state['profiles'])) {
Chris@0:       throw new NoProfilesException(\Drupal::service('string_translation'));
Chris@0:     }
Chris@0:     // Try to automatically select a profile.
Chris@0:     if ($profile = _install_select_profile($install_state)) {
Chris@0:       $install_state['parameters']['profile'] = $profile;
Chris@0:     }
Chris@0:     else {
Chris@0:       // The non-interactive installer requires a profile parameter.
Chris@0:       if (!$install_state['interactive']) {
Chris@0:         throw new InstallerException(t('Missing profile parameter.'));
Chris@0:       }
Chris@0:       // Otherwise, display a form to select a profile.
Chris@0:       return install_get_form('Drupal\Core\Installer\Form\SelectProfileForm', $install_state);
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Determines the installation profile to use in the installer.
Chris@0:  *
Chris@17:  * Depending on the context from which it's being called, this method
Chris@17:  * may be used to:
Chris@17:  * - Automatically select a profile under certain conditions.
Chris@17:  * - Indicate which profile has already been selected.
Chris@17:  * - Indicate that a profile still needs to be selected.
Chris@17:  *
Chris@17:  * A profile will be selected automatically if one of the following conditions
Chris@17:  * is met. They are checked in the given order:
Chris@0:  * - Only one profile is available.
Chris@0:  * - A specific profile name is requested in installation parameters:
Chris@0:  *   - For interactive installations via request query parameters.
Chris@0:  *   - For non-interactive installations via install_drupal() settings.
Chris@17:  * - One of the available profiles is a distribution. If multiple profiles are
Chris@0:  *   distributions, then the first discovered profile will be selected.
Chris@0:  * - Only one visible profile is available.
Chris@0:  *
Chris@0:  * @param array $install_state
Chris@0:  *   The current installer state, containing a 'profiles' key, which is an
Chris@0:  *   associative array of profiles with the machine-readable names as keys.
Chris@0:  *
Chris@17:  * @return string|null
Chris@0:  *   The machine-readable name of the selected profile or NULL if no profile was
Chris@0:  *   selected.
Chris@17:  *
Chris@17:  *  @see install_select_profile()
Chris@0:  */
Chris@0: function _install_select_profile(&$install_state) {
Chris@17:   // If there is only one profile available it will always be the one selected.
Chris@0:   if (count($install_state['profiles']) == 1) {
Chris@0:     return key($install_state['profiles']);
Chris@0:   }
Chris@17:   // If a valid profile has already been selected, return the selection.
Chris@0:   if (!empty($install_state['parameters']['profile'])) {
Chris@0:     $profile = $install_state['parameters']['profile'];
Chris@0:     if (isset($install_state['profiles'][$profile])) {
Chris@0:       return $profile;
Chris@0:     }
Chris@0:   }
Chris@17:   // If any of the profiles are distribution profiles, return the first one.
Chris@0:   foreach ($install_state['profiles'] as $profile) {
Chris@0:     $profile_info = install_profile_info($profile->getName());
Chris@0:     if (!empty($profile_info['distribution'])) {
Chris@0:       return $profile->getName();
Chris@0:     }
Chris@0:   }
Chris@0:   // Get all visible (not hidden) profiles.
Chris@0:   $visible_profiles = array_filter($install_state['profiles'], function ($profile) {
Chris@0:     $profile_info = install_profile_info($profile->getName());
Chris@0:     return !isset($profile_info['hidden']) || !$profile_info['hidden'];
Chris@0:   });
Chris@17:   // If there is only one visible profile, return it.
Chris@0:   if (count($visible_profiles) == 1) {
Chris@0:     return (key($visible_profiles));
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Finds all .po files that are useful to the installer.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   An associative array of file URIs keyed by language code. URIs as
Chris@0:  *   returned by file_scan_directory().
Chris@0:  *
Chris@0:  * @see file_scan_directory()
Chris@0:  */
Chris@0: function install_find_translations() {
Chris@0:   $translations = [];
Chris@0:   $files = \Drupal::service('string_translator.file_translation')->findTranslationFiles();
Chris@0:   // English does not need a translation file.
Chris@0:   array_unshift($files, (object) ['name' => 'en']);
Chris@0:   foreach ($files as $uri => $file) {
Chris@0:     // Strip off the file name component before the language code.
Chris@0:     $langcode = preg_replace('!^(.+\.)?([^\.]+)$!', '\2', $file->name);
Chris@0:     // Language codes cannot exceed 12 characters to fit into the {language}
Chris@0:     // table.
Chris@0:     if (strlen($langcode) <= 12) {
Chris@0:       $translations[$langcode] = $uri;
Chris@0:     }
Chris@0:   }
Chris@0:   return $translations;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Selects which language to use during installation.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state. The chosen
Chris@0:  *   langcode will be added here, if it was not already selected previously, as
Chris@0:  *   will a list of all available languages.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   For interactive installations, a form or other page output allowing the
Chris@0:  *   language to be selected or providing information about language selection,
Chris@0:  *   if a language has not been chosen. Otherwise, an exception is thrown if a
Chris@0:  *   language cannot be chosen automatically.
Chris@0:  */
Chris@0: function install_select_language(&$install_state) {
Chris@0:   // Find all available translation files.
Chris@0:   $files = install_find_translations();
Chris@0:   $install_state['translations'] += $files;
Chris@0: 
Chris@0:   // If a valid language code is set, continue with the next installation step.
Chris@0:   // When translations from the localization server are used, any language code
Chris@0:   // is accepted because the standard language list is kept in sync with the
Chris@0:   // languages available at http://localize.drupal.org.
Chris@0:   // When files from the translation directory are used, we only accept
Chris@0:   // languages for which a file is available.
Chris@0:   if (!empty($install_state['parameters']['langcode'])) {
Chris@0:     $standard_languages = LanguageManager::getStandardLanguageList();
Chris@0:     $langcode = $install_state['parameters']['langcode'];
Chris@0:     if ($langcode == 'en' || isset($files[$langcode]) || isset($standard_languages[$langcode])) {
Chris@0:       $install_state['parameters']['langcode'] = $langcode;
Chris@0:       return;
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   if (empty($install_state['parameters']['langcode'])) {
Chris@0:     // If we are performing an interactive installation, we display a form to
Chris@0:     // select a right language. If no translation files were found in the
Chris@0:     // translations directory, the form shows a list of standard languages. If
Chris@0:     // translation files were found the form shows a select list of the
Chris@0:     // corresponding languages to choose from.
Chris@0:     if ($install_state['interactive']) {
Chris@0:       return install_get_form('Drupal\Core\Installer\Form\SelectLanguageForm', $install_state);
Chris@0:     }
Chris@0:     // If we are performing a non-interactive installation. If only one language
Chris@0:     // (English) is available, assume the user knows what he is doing. Otherwise
Chris@0:     // throw an error.
Chris@0:     else {
Chris@0:       if (count($files) == 1) {
Chris@0:         $install_state['parameters']['langcode'] = current(array_keys($files));
Chris@0:         return;
Chris@0:       }
Chris@0:       else {
Chris@0:         throw new InstallerException(t('You must select a language to continue the installation.'));
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Download a translation file for the selected language.
Chris@0:  *
Chris@0:  * @param array $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return string
Chris@0:  *   A themed status report, or an exception if there are requirement errors.
Chris@0:  *   Upon successful download the page is reloaded and no output is returned.
Chris@0:  */
Chris@0: function install_download_translation(&$install_state) {
Chris@0:   // Check whether all conditions are met to download. Download the translation
Chris@0:   // if possible.
Chris@0:   $requirements = install_check_translations($install_state['parameters']['langcode'], $install_state['server_pattern']);
Chris@0:   if ($output = install_display_requirements($install_state, $requirements)) {
Chris@0:     return $output;
Chris@0:   }
Chris@0: 
Chris@0:   // The download was successful, reload the page in the new language.
Chris@0:   $install_state['translations'][$install_state['parameters']['langcode']] = TRUE;
Chris@0:   if ($install_state['interactive']) {
Chris@0:     install_goto(install_redirect_url($install_state));
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Attempts to get a file using a HTTP request and to store it locally.
Chris@0:  *
Chris@0:  * @param string $uri
Chris@0:  *   The URI of the file to grab.
Chris@0:  * @param string $destination
Chris@0:  *   Stream wrapper URI specifying where the file should be placed. If a
Chris@0:  *   directory path is provided, the file is saved into that directory under its
Chris@0:  *   original name. If the path contains a filename as well, that one will be
Chris@0:  *   used instead.
Chris@0:  *
Chris@0:  * @return bool
Chris@0:  *   TRUE on success, FALSE on failure.
Chris@0:  */
Chris@0: function install_retrieve_file($uri, $destination) {
Chris@0:   $parsed_url = parse_url($uri);
Chris@18:   /** @var \Drupal\Core\File\FileSystemInterface $file_system */
Chris@18:   $file_system = \Drupal::service('file_system');
Chris@18:   if (is_dir($file_system->realpath($destination))) {
Chris@0:     // Prevent URIs with triple slashes when gluing parts together.
Chris@18:     $path = str_replace('///', '//', "$destination/") . $file_system->basename($parsed_url['path']);
Chris@0:   }
Chris@0:   else {
Chris@0:     $path = $destination;
Chris@0:   }
Chris@0: 
Chris@0:   try {
Chris@0:     $response = \Drupal::httpClient()->get($uri, ['headers' => ['Accept' => 'text/plain']]);
Chris@0:     $data = (string) $response->getBody();
Chris@0:     if (empty($data)) {
Chris@0:       return FALSE;
Chris@0:     }
Chris@0:   }
Chris@0:   catch (RequestException $e) {
Chris@0:     return FALSE;
Chris@0:   }
Chris@0:   return file_put_contents($path, $data) !== FALSE;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Checks if the localization server can be contacted.
Chris@0:  *
Chris@0:  * @param string $uri
Chris@0:  *   The URI to contact.
Chris@0:  *
Chris@0:  * @return string
Chris@0:  *   TRUE if the URI was contacted successfully, FALSE if not.
Chris@0:  */
Chris@0: function install_check_localization_server($uri) {
Chris@0:   try {
Chris@0:     \Drupal::httpClient()->head($uri);
Chris@0:     return TRUE;
Chris@0:   }
Chris@0:   catch (RequestException $e) {
Chris@0:     return FALSE;
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Extracts version information from a drupal core version string.
Chris@0:  *
Chris@0:  * @param string $version
Chris@0:  *   Version info string (e.g., 8.0.0, 8.1.0, 8.0.0-dev, 8.0.0-unstable1,
Chris@16:  *   8.0.0-alpha2, 8.0.0-beta3, 8.6.x, and 8.0.0-rc4).
Chris@0:  *
Chris@0:  * @return array
Chris@0:  *   Associative array of version info:
Chris@0:  *   - major: Major version (e.g., "8").
Chris@0:  *   - minor: Minor version (e.g., "0").
Chris@0:  *   - patch: Patch version (e.g., "0").
Chris@0:  *   - extra: Extra version info (e.g., "alpha2").
Chris@0:  *   - extra_text: The text part of "extra" (e.g., "alpha").
Chris@0:  *   - extra_number: The number part of "extra" (e.g., "2").
Chris@0:  */
Chris@0: function _install_get_version_info($version) {
Chris@0:   preg_match('/
Chris@0:     (
Chris@0:       (?P<major>[0-9]+)    # Major release number.
Chris@0:       \.          # .
Chris@0:       (?P<minor>[0-9]+)    # Minor release number.
Chris@0:       \.          # .
Chris@16:       (?P<patch>[0-9]+|x)  # Patch release number.
Chris@0:     )             #
Chris@0:     (             #
Chris@0:       -           # - separator for "extra" version information.
Chris@0:       (?P<extra>   #
Chris@0:         (?P<extra_text>[a-z]+)  # Release extra text (e.g., "alpha").
Chris@0:         (?P<extra_number>[0-9]*)  # Release extra number (no separator between text and number).
Chris@0:       )           #
Chris@0:       |           # OR no "extra" information.
Chris@0:     )
Chris@0:     /sx', $version, $matches);
Chris@0: 
Chris@0:   return $matches;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Loads information about the chosen profile during installation.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state. The loaded
Chris@0:  *   profile information will be added here.
Chris@0:  */
Chris@0: function install_load_profile(&$install_state) {
Chris@17:   global $config_directories;
Chris@0:   $profile = $install_state['parameters']['profile'];
Chris@0:   $install_state['profiles'][$profile]->load();
Chris@0:   $install_state['profile_info'] = install_profile_info($profile, isset($install_state['parameters']['langcode']) ? $install_state['parameters']['langcode'] : 'en');
Chris@17: 
Chris@17:   if (!empty($install_state['parameters']['existing_config']) && !empty($config_directories[CONFIG_SYNC_DIRECTORY])) {
Chris@17:     $install_state['config_install_path'] = $config_directories[CONFIG_SYNC_DIRECTORY];
Chris@17:   }
Chris@17:   // If the profile has a config/sync directory copy the information to the
Chris@17:   // install_state global.
Chris@17:   elseif (!empty($install_state['profile_info']['config_install_path'])) {
Chris@17:     $install_state['config_install_path'] = $install_state['profile_info']['config_install_path'];
Chris@17:   }
Chris@17: 
Chris@17:   if (!empty($install_state['config_install_path'])) {
Chris@17:     $sync = new FileStorage($install_state['config_install_path']);
Chris@17:     $install_state['config']['system.site'] = $sync->read('system.site');
Chris@17:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Performs a full bootstrap of Drupal during installation.
Chris@0:  */
Chris@0: function install_bootstrap_full() {
Chris@0:   // Store the session on the request object and start it.
Chris@0:   /** @var \Symfony\Component\HttpFoundation\Session\SessionInterface $session */
Chris@0:   $session = \Drupal::service('session');
Chris@0:   \Drupal::request()->setSession($session);
Chris@0:   $session->start();
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Installs required modules via a batch process.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   The batch definition.
Chris@0:  */
Chris@0: function install_profile_modules(&$install_state) {
Chris@0:   // We need to manually trigger the installation of core-provided entity types,
Chris@0:   // as those will not be handled by the module installer.
Chris@0:   install_core_entity_type_definitions();
Chris@0: 
Chris@0:   $modules = \Drupal::state()->get('install_profile_modules') ?: [];
Chris@0:   $files = system_rebuild_module_data();
Chris@0:   \Drupal::state()->delete('install_profile_modules');
Chris@0: 
Chris@0:   // Always install required modules first. Respect the dependencies between
Chris@0:   // the modules.
Chris@0:   $required = [];
Chris@0:   $non_required = [];
Chris@0: 
Chris@0:   // Add modules that other modules depend on.
Chris@0:   foreach ($modules as $module) {
Chris@0:     if ($files[$module]->requires) {
Chris@0:       $modules = array_merge($modules, array_keys($files[$module]->requires));
Chris@0:     }
Chris@0:   }
Chris@0:   $modules = array_unique($modules);
Chris@0:   foreach ($modules as $module) {
Chris@0:     if (!empty($files[$module]->info['required'])) {
Chris@0:       $required[$module] = $files[$module]->sort;
Chris@0:     }
Chris@0:     else {
Chris@0:       $non_required[$module] = $files[$module]->sort;
Chris@0:     }
Chris@0:   }
Chris@0:   arsort($required);
Chris@0:   arsort($non_required);
Chris@0: 
Chris@0:   $operations = [];
Chris@0:   foreach ($required + $non_required as $module => $weight) {
Chris@0:     $operations[] = ['_install_module_batch', [$module, $files[$module]->info['name']]];
Chris@0:   }
Chris@0:   $batch = [
Chris@0:     'operations' => $operations,
Chris@0:     'title' => t('Installing @drupal', ['@drupal' => drupal_install_profile_distribution_name()]),
Chris@0:     'error_message' => t('The installation has encountered an error.'),
Chris@0:   ];
Chris@0:   return $batch;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Installs entity type definitions provided by core.
Chris@0:  */
Chris@0: function install_core_entity_type_definitions() {
Chris@0:   $update_manager = \Drupal::entityDefinitionUpdateManager();
Chris@0:   foreach (\Drupal::entityManager()->getDefinitions() as $entity_type) {
Chris@0:     if ($entity_type->getProvider() == 'core') {
Chris@0:       $update_manager->installEntityType($entity_type);
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Installs themes.
Chris@0:  *
Chris@0:  * This does not use a batch, since installing themes is faster than modules and
Chris@0:  * because an installation profile typically installs 1-3 themes only (default
Chris@0:  * theme, base theme, admin theme).
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  */
Chris@0: function install_profile_themes(&$install_state) {
Chris@0:   // Install the themes specified by the installation profile.
Chris@0:   $themes = $install_state['profile_info']['themes'];
Chris@0:   \Drupal::service('theme_handler')->install($themes);
Chris@0: 
Chris@0:   // Ensure that the install profile's theme is used.
Chris@0:   // @see _drupal_maintenance_theme()
Chris@0:   \Drupal::theme()->resetActiveTheme();
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Installs the install profile.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  */
Chris@0: function install_install_profile(&$install_state) {
Chris@0:   \Drupal::service('module_installer')->install([drupal_get_profile()], FALSE);
Chris@0:   // Install all available optional config. During installation the module order
Chris@0:   // is determined by dependencies. If there are no dependencies between modules
Chris@0:   // then the order in which they are installed is dependent on random factors
Chris@0:   // like PHP version. Optional configuration therefore might or might not be
Chris@0:   // created depending on this order. Ensuring that we have installed all of the
Chris@0:   // optional configuration whose dependencies can be met at this point removes
Chris@0:   // any disparities that this creates.
Chris@0:   \Drupal::service('config.installer')->installOptionalConfig();
Chris@0: 
Chris@0:   // Ensure that the install profile's theme is used.
Chris@0:   // @see _drupal_maintenance_theme()
Chris@0:   \Drupal::theme()->resetActiveTheme();
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Prepares the system for import and downloads additional translations.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   The batch definition, if there are language files to download.
Chris@0:  */
Chris@0: function install_download_additional_translations_operations(&$install_state) {
Chris@0:   \Drupal::moduleHandler()->loadInclude('locale', 'bulk.inc');
Chris@0: 
Chris@0:   $langcode = $install_state['parameters']['langcode'];
Chris@0:   if (!($language = ConfigurableLanguage::load($langcode))) {
Chris@0:     // Create the language if not already shipped with a profile.
Chris@0:     $language = ConfigurableLanguage::createFromLangcode($langcode);
Chris@0:   }
Chris@0:   $language->save();
Chris@0: 
Chris@0:   // If a non-English language was selected, change the default language and
Chris@0:   // remove English.
Chris@0:   if ($langcode != 'en') {
Chris@0:     \Drupal::configFactory()->getEditable('system.site')
Chris@0:       ->set('langcode', $langcode)
Chris@0:       ->set('default_langcode', $langcode)
Chris@0:       ->save();
Chris@0:     \Drupal::service('language.default')->set($language);
Chris@0:     if (empty($install_state['profile_info']['keep_english'])) {
Chris@0:       entity_delete_multiple('configurable_language', ['en']);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   // If there is more than one language or the single one is not English, we
Chris@0:   // should download/import translations.
Chris@0:   $languages = \Drupal::languageManager()->getLanguages();
Chris@0:   $operations = [];
Chris@0:   foreach ($languages as $langcode => $language) {
Chris@0:     // The installer language was already downloaded. Check downloads for the
Chris@0:     // other languages if any. Ignore any download errors here, since we
Chris@0:     // are in the middle of an install process and there is no way back. We
Chris@0:     // will not import what we cannot download.
Chris@0:     if ($langcode != 'en' && $langcode != $install_state['parameters']['langcode']) {
Chris@0:       $operations[] = ['install_check_translations', [$langcode, $install_state['server_pattern']]];
Chris@0:     }
Chris@0:   }
Chris@0:   return $operations;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Imports languages via a batch process during installation.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   The batch definition, if there are language files to import.
Chris@0:  */
Chris@0: function install_import_translations(&$install_state) {
Chris@0:   \Drupal::moduleHandler()->loadInclude('locale', 'translation.inc');
Chris@0: 
Chris@0:   // If there is more than one language or the single one is not English, we
Chris@0:   // should import translations.
Chris@0:   $operations = install_download_additional_translations_operations($install_state);
Chris@0:   $languages = \Drupal::languageManager()->getLanguages();
Chris@0:   if (count($languages) > 1 || !isset($languages['en'])) {
Chris@0:     $operations[] = ['_install_prepare_import', [array_keys($languages), $install_state['server_pattern']]];
Chris@0: 
Chris@0:     // Set up a batch to import translations for drupal core. Translation import
Chris@0:     // for contrib modules happens in install_import_translations_remaining.
Chris@0:     foreach ($languages as $language) {
Chris@0:       if (locale_translation_use_remote_source()) {
Chris@0:         $operations[] = ['locale_translation_batch_fetch_download', ['drupal', $language->getId()]];
Chris@0:       }
Chris@0:       $operations[] = ['locale_translation_batch_fetch_import', ['drupal', $language->getId(), []]];
Chris@0:     }
Chris@0: 
Chris@0:     module_load_include('fetch.inc', 'locale');
Chris@0:     $batch = [
Chris@0:       'operations' => $operations,
Chris@0:       'title' => t('Updating translations.'),
Chris@0:       'progress_message' => '',
Chris@0:       'error_message' => t('Error importing translation files'),
Chris@0:       'finished' => 'locale_translation_batch_fetch_finished',
Chris@0:       'file' => drupal_get_path('module', 'locale') . '/locale.batch.inc',
Chris@0:     ];
Chris@0:     return $batch;
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Tells the translation import process that Drupal core is installed.
Chris@0:  *
Chris@0:  * @param array $langcodes
Chris@0:  *   Language codes used for the translations.
Chris@0:  * @param string $server_pattern
Chris@0:  *   Server access pattern (to replace language code, version number, etc. in).
Chris@0:  */
Chris@0: function _install_prepare_import($langcodes, $server_pattern) {
Chris@0:   \Drupal::moduleHandler()->loadInclude('locale', 'bulk.inc');
Chris@0:   $matches = [];
Chris@0: 
Chris@0:   foreach ($langcodes as $langcode) {
Chris@0:     // Get the translation files located in the translations directory.
Chris@0:     $files = locale_translate_get_interface_translation_files(['drupal'], [$langcode]);
Chris@0:     // Pick the first file which matches the language, if any.
Chris@0:     $file = reset($files);
Chris@0:     if (is_object($file)) {
Chris@0:       $filename = $file->filename;
Chris@0:       preg_match('/drupal-([0-9a-z\.-]+)\.' . $langcode . '\.po/', $filename, $matches);
Chris@0:       // Get the version information.
Chris@0:       if ($version = $matches[1]) {
Chris@0:         $info = _install_get_version_info($version);
Chris@0:         // Picking the first file does not necessarily result in the right file. So
Chris@0:         // we check if at least the major version number is available.
Chris@0:         if ($info['major']) {
Chris@0:           $core = $info['major'] . '.x';
Chris@0:           $data = [
Chris@0:             'name' => 'drupal',
Chris@0:             'project_type' => 'module',
Chris@0:             'core' => $core,
Chris@0:             'version' => $version,
Chris@0:             'server_pattern' => $server_pattern,
Chris@0:             'status' => 1,
Chris@0:           ];
Chris@0:           \Drupal::service('locale.project')->set($data['name'], $data);
Chris@0:           module_load_include('compare.inc', 'locale');
Chris@16:           // Reset project information static cache so that it uses the data
Chris@16:           // set above.
Chris@16:           locale_translation_clear_cache_projects();
Chris@0:           locale_translation_check_projects_local(['drupal'], [$langcode]);
Chris@0:         }
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Finishes importing files at end of installation.
Chris@0:  *
Chris@0:  * If other projects besides Drupal core have been installed, their translation
Chris@0:  * will be imported here.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return array
Chris@0:  *   An array of batch definitions.
Chris@0:  */
Chris@0: function install_finish_translations(&$install_state) {
Chris@0:   \Drupal::moduleHandler()->loadInclude('locale', 'fetch.inc');
Chris@0:   \Drupal::moduleHandler()->loadInclude('locale', 'compare.inc');
Chris@0:   \Drupal::moduleHandler()->loadInclude('locale', 'bulk.inc');
Chris@0: 
Chris@0:   // Build a fresh list of installed projects. When more projects than core are
Chris@0:   // installed, their translations will be downloaded (if required) and imported
Chris@0:   // using a batch.
Chris@0:   $projects = locale_translation_build_projects();
Chris@0:   $languages = \Drupal::languageManager()->getLanguages();
Chris@0:   $batches = [];
Chris@0:   if (count($projects) > 1) {
Chris@0:     $options = _locale_translation_default_update_options();
Chris@0:     if ($batch = locale_translation_batch_update_build([], array_keys($languages), $options)) {
Chris@0:       $batches[] = $batch;
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   // Creates configuration translations.
Chris@0:   $batches[] = locale_config_batch_update_components([], array_keys($languages));
Chris@0:   return $batches;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Performs final installation steps and displays a 'finished' page.
Chris@0:  *
Chris@0:  * @param $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   A message informing the user that the installation is complete.
Chris@0:  */
Chris@0: function install_finished(&$install_state) {
Chris@0:   $profile = drupal_get_profile();
Chris@0: 
Chris@0:   // Installation profiles are always loaded last.
Chris@0:   module_set_weight($profile, 1000);
Chris@0: 
Chris@0:   // Build the router once after installing all modules.
Chris@0:   // This would normally happen upon KernelEvents::TERMINATE, but since the
Chris@0:   // installer does not use an HttpKernel, that event is never triggered.
Chris@0:   \Drupal::service('router.builder')->rebuild();
Chris@0: 
Chris@0:   // Run cron to populate update status tables (if available) so that users
Chris@0:   // will be warned if they've installed an out of date Drupal version.
Chris@0:   // Will also trigger indexing of profile-supplied content or feeds.
Chris@0:   \Drupal::service('cron')->run();
Chris@0: 
Chris@0:   if ($install_state['interactive']) {
Chris@0:     // Load current user and perform final login tasks.
Chris@0:     // This has to be done after drupal_flush_all_caches()
Chris@0:     // to avoid session regeneration.
Chris@0:     $account = User::load(1);
Chris@0:     user_login_finalize($account);
Chris@0:   }
Chris@0: 
Chris@0:   $success_message = t('Congratulations, you installed @drupal!', [
Chris@0:     '@drupal' => drupal_install_profile_distribution_name(),
Chris@0:   ]);
Chris@17:   \Drupal::messenger()->addStatus($success_message);
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements callback_batch_operation().
Chris@0:  *
Chris@0:  * Performs batch installation of modules.
Chris@0:  */
Chris@0: function _install_module_batch($module, $module_name, &$context) {
Chris@0:   \Drupal::service('module_installer')->install([$module], FALSE);
Chris@0:   $context['results'][] = $module;
Chris@0:   $context['message'] = t('Installed %module module.', ['%module' => $module_name]);
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Checks installation requirements and reports any errors.
Chris@0:  *
Chris@0:  * @param string $langcode
Chris@0:  *   Language code to check for download.
Chris@0:  * @param string $server_pattern
Chris@0:  *   Server access pattern (to replace language code, version number, etc. in).
Chris@0:  *
Chris@0:  * @return array|null
Chris@0:  *   Requirements compliance array. If the translation was downloaded
Chris@0:  *   successfully then an empty array is returned. Otherwise the requirements
Chris@0:  *   error with detailed information. NULL if the file already exists for this
Chris@0:  *   language code.
Chris@0:  */
Chris@0: function install_check_translations($langcode, $server_pattern) {
Chris@0:   $requirements = [];
Chris@0: 
Chris@0:   $readable = FALSE;
Chris@0:   $writable = FALSE;
Chris@0:   // @todo: Make this configurable.
Chris@0:   $site_path = \Drupal::service('site.path');
Chris@0:   $files_directory = $site_path . '/files';
Chris@0:   $translations_directory = $site_path . '/files/translations';
Chris@0:   $translations_directory_exists = FALSE;
Chris@0:   $online = FALSE;
Chris@0: 
Chris@0:   // First attempt to create or make writable the files directory.
Chris@18:   /** @var \Drupal\Core\File\FileSystemInterface $file_system */
Chris@18:   $file_system = \Drupal::service('file_system');
Chris@18:   $file_system->prepareDirectory($files_directory, FileSystemInterface::CREATE_DIRECTORY | FileSystemInterface::MODIFY_PERMISSIONS);
Chris@18: 
Chris@0:   // Then, attempt to create or make writable the translations directory.
Chris@18:   $file_system->prepareDirectory($translations_directory, FileSystemInterface::CREATE_DIRECTORY | FileSystemInterface::MODIFY_PERMISSIONS);
Chris@0: 
Chris@0:   // Get values so the requirements errors can be specific.
Chris@0:   if (drupal_verify_install_file($translations_directory, FILE_EXIST, 'dir')) {
Chris@0:     $readable = is_readable($translations_directory);
Chris@0:     $writable = is_writable($translations_directory);
Chris@0:     $translations_directory_exists = TRUE;
Chris@0:   }
Chris@0: 
Chris@0:   // The file already exists, no need to attempt to download.
Chris@0:   if ($existing_file = glob($translations_directory . '/drupal-*.' . $langcode . '.po')) {
Chris@0:     return;
Chris@0:   }
Chris@0: 
Chris@16:   $version = \Drupal::VERSION;
Chris@16:   // For dev releases, remove the '-dev' part and trust the translation server
Chris@16:   // to fall back to the latest stable release for that branch.
Chris@16:   // @see locale_translation_build_projects()
Chris@16:   if (preg_match("/^(\d+\.\d+\.).*-dev$/", $version, $matches)) {
Chris@16:     // Example match: 8.0.0-dev => 8.0.x (Drupal core)
Chris@16:     $version = $matches[1] . 'x';
Chris@16:   }
Chris@16: 
Chris@0:   // Build URL for the translation file and the translation server.
Chris@0:   $variables = [
Chris@0:     '%project' => 'drupal',
Chris@16:     '%version' => $version,
Chris@0:     '%core' => \Drupal::CORE_COMPATIBILITY,
Chris@0:     '%language' => $langcode,
Chris@0:   ];
Chris@0:   $translation_url = strtr($server_pattern, $variables);
Chris@0: 
Chris@0:   $elements = parse_url($translation_url);
Chris@0:   $server_url = $elements['scheme'] . '://' . $elements['host'];
Chris@0: 
Chris@0:   // Build the language name for display.
Chris@0:   $languages = LanguageManager::getStandardLanguageList();
Chris@0:   $language = isset($languages[$langcode]) ? $languages[$langcode][0] : $langcode;
Chris@0: 
Chris@0:   // Check if any of the desired translation files are available or if the
Chris@0:   // translation server can be reached. In other words, check if we are online
Chris@0:   // and have an internet connection.
Chris@0:   if ($translation_available = install_check_localization_server($translation_url)) {
Chris@0:     $online = TRUE;
Chris@0:   }
Chris@0:   if (!$translation_available) {
Chris@0:     if (install_check_localization_server($server_url)) {
Chris@0:       $online = TRUE;
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@17:   // If the translations directory does not exist, throw an error.
Chris@0:   if (!$translations_directory_exists) {
Chris@0:     $requirements['translations directory exists'] = [
Chris@0:       'title'       => t('Translations directory'),
Chris@0:       'value'       => t('The translations directory does not exist.'),
Chris@0:       'severity'    => REQUIREMENT_ERROR,
Chris@0:       'description' => t('The installer requires that you create a translations directory as part of the installation process. Create the directory %translations_directory . More details about installing Drupal are available in <a href=":install_txt">INSTALL.txt</a>.', ['%translations_directory' => $translations_directory, ':install_txt' => base_path() . 'core/INSTALL.txt']),
Chris@0:     ];
Chris@0:   }
Chris@0:   else {
Chris@0:     $requirements['translations directory exists'] = [
Chris@0:       'title'       => t('Translations directory'),
Chris@0:       'value'       => t('The directory %translations_directory exists.', ['%translations_directory' => $translations_directory]),
Chris@0:     ];
Chris@0:     // If the translations directory is not readable, throw an error.
Chris@0:     if (!$readable) {
Chris@0:       $requirements['translations directory readable'] = [
Chris@0:         'title'       => t('Translations directory'),
Chris@0:         'value'       => t('The translations directory is not readable.'),
Chris@0:         'severity'    => REQUIREMENT_ERROR,
Chris@0:         'description' => t('The installer requires read permissions to %translations_directory at all times. The <a href=":handbook_url">webhosting issues</a> documentation section offers help on this and other topics.', ['%translations_directory' => $translations_directory, ':handbook_url' => 'https://www.drupal.org/server-permissions']),
Chris@0:       ];
Chris@0:     }
Chris@0:     // If translations directory is not writable, throw an error.
Chris@0:     if (!$writable) {
Chris@0:       $requirements['translations directory writable'] = [
Chris@0:         'title'       => t('Translations directory'),
Chris@0:         'value'       => t('The translations directory is not writable.'),
Chris@0:         'severity'    => REQUIREMENT_ERROR,
Chris@0:         'description' => t('The installer requires write permissions to %translations_directory during the installation process. The <a href=":handbook_url">webhosting issues</a> documentation section offers help on this and other topics.', ['%translations_directory' => $translations_directory, ':handbook_url' => 'https://www.drupal.org/server-permissions']),
Chris@0:       ];
Chris@0:     }
Chris@0:     else {
Chris@0:       $requirements['translations directory writable'] = [
Chris@0:         'title'       => t('Translations directory'),
Chris@0:         'value'       => t('The translations directory is writable.'),
Chris@0:       ];
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   // If the translations server can not be contacted, throw an error.
Chris@0:   if (!$online) {
Chris@0:     $requirements['online'] = [
Chris@0:       'title'       => t('Internet'),
Chris@0:       'value'       => t('The translation server is offline.'),
Chris@0:       'severity'    => REQUIREMENT_ERROR,
Chris@0:       'description' => t('The installer requires to contact the translation server to download a translation file. Check your internet connection and verify that your website can reach the translation server at <a href=":server_url">@server_url</a>.', [':server_url' => $server_url, '@server_url' => $server_url]),
Chris@0:     ];
Chris@0:   }
Chris@0:   else {
Chris@0:     $requirements['online'] = [
Chris@0:       'title'       => t('Internet'),
Chris@0:       'value'       => t('The translation server is online.'),
Chris@0:     ];
Chris@0:     // If translation file is not found at the translation server, throw an
Chris@0:     // error.
Chris@0:     if (!$translation_available) {
Chris@0:       $requirements['translation available'] = [
Chris@0:         'title'       => t('Translation'),
Chris@0:         'value'       => t('The %language translation is not available.', ['%language' => $language]),
Chris@0:         'severity'    => REQUIREMENT_ERROR,
Chris@0:         'description' => t('The %language translation file is not available at the translation server. <a href=":url">Choose a different language</a> or select English and translate your website later.', ['%language' => $language, ':url' => $_SERVER['SCRIPT_NAME']]),
Chris@0:       ];
Chris@0:     }
Chris@0:     else {
Chris@0:       $requirements['translation available'] = [
Chris@0:         'title'       => t('Translation'),
Chris@0:         'value'       => t('The %language translation is available.', ['%language' => $language]),
Chris@0:       ];
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   if ($translations_directory_exists && $readable && $writable && $translation_available) {
Chris@0:     $translation_downloaded = install_retrieve_file($translation_url, $translations_directory);
Chris@0: 
Chris@0:     if (!$translation_downloaded) {
Chris@0:       $requirements['translation downloaded'] = [
Chris@0:         'title'       => t('Translation'),
Chris@0:         'value'       => t('The %language translation could not be downloaded.', ['%language' => $language]),
Chris@0:         'severity'    => REQUIREMENT_ERROR,
Chris@0:         'description' => t('The %language translation file could not be downloaded. <a href=":url">Choose a different language</a> or select English and translate your website later.', ['%language' => $language, ':url' => $_SERVER['SCRIPT_NAME']]),
Chris@0:       ];
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   return $requirements;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Checks installation requirements and reports any errors.
Chris@0:  */
Chris@0: function install_check_requirements($install_state) {
Chris@0:   $profile = $install_state['parameters']['profile'];
Chris@0: 
Chris@0:   // Check the profile requirements.
Chris@0:   $requirements = drupal_check_profile($profile);
Chris@0: 
Chris@0:   if ($install_state['settings_verified']) {
Chris@0:     return $requirements;
Chris@0:   }
Chris@0: 
Chris@0:   // If Drupal is not set up already, we need to try to create the default
Chris@0:   // settings and services files.
Chris@0:   $default_files = [];
Chris@0:   $default_files['settings.php'] = [
Chris@0:     'file' => 'settings.php',
Chris@0:     'file_default' => 'default.settings.php',
Chris@0:     'title_default' => t('Default settings file'),
Chris@0:     'description_default' => t('The default settings file does not exist.'),
Chris@0:     'title' => t('Settings file'),
Chris@0:   ];
Chris@0: 
Chris@0:   foreach ($default_files as $default_file_info) {
Chris@0:     $readable = FALSE;
Chris@0:     $writable = FALSE;
Chris@0:     $site_path = './' . \Drupal::service('site.path');
Chris@0:     $file = $site_path . "/{$default_file_info['file']}";
Chris@0:     $default_file = "./sites/default/{$default_file_info['file_default']}";
Chris@0:     $exists = FALSE;
Chris@0:     // Verify that the directory exists.
Chris@0:     if (drupal_verify_install_file($site_path, FILE_EXIST, 'dir')) {
Chris@0:       if (drupal_verify_install_file($file, FILE_EXIST)) {
Chris@0:         // If it does, make sure it is writable.
Chris@0:         $readable = drupal_verify_install_file($file, FILE_READABLE);
Chris@0:         $writable = drupal_verify_install_file($file, FILE_WRITABLE);
Chris@0:         $exists = TRUE;
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     // If the default $default_file does not exist, or is not readable,
Chris@0:     // report an error.
Chris@0:     if (!drupal_verify_install_file($default_file, FILE_EXIST | FILE_READABLE)) {
Chris@0:       $requirements["default $file file exists"] = [
Chris@0:         'title' => $default_file_info['title_default'],
Chris@0:         'value' => $default_file_info['description_default'],
Chris@0:         'severity' => REQUIREMENT_ERROR,
Chris@0:         'description' => t('The @drupal installer requires that the %default-file file not be modified in any way from the original download.', [
Chris@0:             '@drupal' => drupal_install_profile_distribution_name(),
Chris@17:             '%default-file' => $default_file,
Chris@0:           ]),
Chris@0:       ];
Chris@0:     }
Chris@0:     // Otherwise, if $file does not exist yet, we can try to copy
Chris@0:     // $default_file to create it.
Chris@0:     elseif (!$exists) {
Chris@0:       $copied = drupal_verify_install_file($site_path, FILE_EXIST | FILE_WRITABLE, 'dir') && @copy($default_file, $file);
Chris@0:       if ($copied) {
Chris@0:         // If the new $file file has the same owner as $default_file this means
Chris@0:         // $default_file is owned by the webserver user. This is an inherent
Chris@0:         // security weakness because it allows a malicious webserver process to
Chris@0:         // append arbitrary PHP code and then execute it. However, it is also a
Chris@0:         // common configuration on shared hosting, and there is nothing Drupal
Chris@0:         // can do to prevent it. In this situation, having $file also owned by
Chris@0:         // the webserver does not introduce any additional security risk, so we
Chris@0:         // keep the file in place. Additionally, this situation also occurs when
Chris@0:         // the test runner is being run be different user than the webserver.
Chris@0:         if (fileowner($default_file) === fileowner($file) || DRUPAL_TEST_IN_CHILD_SITE) {
Chris@0:           $readable = drupal_verify_install_file($file, FILE_READABLE);
Chris@0:           $writable = drupal_verify_install_file($file, FILE_WRITABLE);
Chris@0:           $exists = TRUE;
Chris@0:         }
Chris@0:         // If $file and $default_file have different owners, this probably means
Chris@0:         // the server is set up "securely" (with the webserver running as its
Chris@0:         // own user, distinct from the user who owns all the Drupal PHP files),
Chris@0:         // although with either a group or world writable sites directory.
Chris@0:         // Keeping $file owned by the webserver would therefore introduce a
Chris@0:         // security risk. It would also cause a usability problem, since site
Chris@0:         // owners who do not have root access to the file system would be unable
Chris@0:         // to edit their settings file later on. We therefore must delete the
Chris@0:         // file we just created and force the administrator to log on to the
Chris@0:         // server and create it manually.
Chris@0:         else {
Chris@0:           $deleted = @drupal_unlink($file);
Chris@0:           // We expect deleting the file to be successful (since we just
Chris@0:           // created it ourselves above), but if it fails somehow, we set a
Chris@0:           // variable so we can display a one-time error message to the
Chris@0:           // administrator at the bottom of the requirements list. We also try
Chris@0:           // to make the file writable, to eliminate any conflicting error
Chris@0:           // messages in the requirements list.
Chris@0:           $exists = !$deleted;
Chris@0:           if ($exists) {
Chris@0:             $settings_file_ownership_error = TRUE;
Chris@0:             $readable = drupal_verify_install_file($file, FILE_READABLE);
Chris@0:             $writable = drupal_verify_install_file($file, FILE_WRITABLE);
Chris@0:           }
Chris@0:         }
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     // If the $file does not exist, throw an error.
Chris@0:     if (!$exists) {
Chris@0:       $requirements["$file file exists"] = [
Chris@0:         'title' => $default_file_info['title'],
Chris@0:         'value' => t('The %file does not exist.', ['%file' => $default_file_info['title']]),
Chris@0:         'severity' => REQUIREMENT_ERROR,
Chris@0:         'description' => t('The @drupal installer requires that you create a %file as part of the installation process. Copy the %default_file file to %file. More details about installing Drupal are available in <a href=":install_txt">INSTALL.txt</a>.', [
Chris@0:             '@drupal' => drupal_install_profile_distribution_name(),
Chris@0:             '%file' => $file,
Chris@0:             '%default_file' => $default_file,
Chris@17:             ':install_txt' => base_path() . 'core/INSTALL.txt',
Chris@0:           ]),
Chris@0:       ];
Chris@0:     }
Chris@0:     else {
Chris@0:       $requirements["$file file exists"] = [
Chris@0:         'title' => $default_file_info['title'],
Chris@0:         'value' => t('The %file exists.', ['%file' => $file]),
Chris@0:       ];
Chris@0:       // If the $file is not readable, throw an error.
Chris@0:       if (!$readable) {
Chris@0:         $requirements["$file file readable"] = [
Chris@0:           'title' => $default_file_info['title'],
Chris@0:           'value' => t('The %file is not readable.', ['%file' => $default_file_info['title']]),
Chris@0:           'severity' => REQUIREMENT_ERROR,
Chris@0:           'description' => t('@drupal requires read permissions to %file at all times. The <a href=":handbook_url">webhosting issues</a> documentation section offers help on this and other topics.', [
Chris@0:               '@drupal' => drupal_install_profile_distribution_name(),
Chris@0:               '%file' => $file,
Chris@17:               ':handbook_url' => 'https://www.drupal.org/server-permissions',
Chris@0:             ]),
Chris@0:         ];
Chris@0:       }
Chris@0:       // If the $file is not writable, throw an error.
Chris@0:       if (!$writable) {
Chris@0:         $requirements["$file file writeable"] = [
Chris@0:           'title' => $default_file_info['title'],
Chris@0:           'value' => t('The %file is not writable.', ['%file' => $default_file_info['title']]),
Chris@0:           'severity' => REQUIREMENT_ERROR,
Chris@0:           'description' => t('The @drupal installer requires write permissions to %file during the installation process. The <a href=":handbook_url">webhosting issues</a> documentation section offers help on this and other topics.', [
Chris@0:               '@drupal' => drupal_install_profile_distribution_name(),
Chris@0:               '%file' => $file,
Chris@17:               ':handbook_url' => 'https://www.drupal.org/server-permissions',
Chris@0:             ]),
Chris@0:         ];
Chris@0:       }
Chris@0:       else {
Chris@0:         $requirements["$file file"] = [
Chris@0:           'title' => $default_file_info['title'],
Chris@0:           'value' => t('The @file is writable.', ['@file' => $default_file_info['title']]),
Chris@0:         ];
Chris@0:       }
Chris@0:       if (!empty($settings_file_ownership_error)) {
Chris@0:         $requirements["$file file ownership"] = [
Chris@0:           'title' => $default_file_info['title'],
Chris@0:           'value' => t('The @file is owned by the web server.', ['@file' => $default_file_info['title']]),
Chris@0:           'severity' => REQUIREMENT_ERROR,
Chris@0:           'description' => t('The @drupal installer failed to create a %file file with proper file ownership. Log on to your web server, remove the existing %file file, and create a new one by copying the %default_file file to %file. More details about installing Drupal are available in <a href=":install_txt">INSTALL.txt</a>. The <a href=":handbook_url">webhosting issues</a> documentation section offers help on this and other topics.', [
Chris@0:               '@drupal' => drupal_install_profile_distribution_name(),
Chris@0:               '%file' => $file,
Chris@0:               '%default_file' => $default_file,
Chris@0:               ':install_txt' => base_path() . 'core/INSTALL.txt',
Chris@17:               ':handbook_url' => 'https://www.drupal.org/server-permissions',
Chris@0:             ]),
Chris@0:         ];
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0:   return $requirements;
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Displays installation requirements.
Chris@0:  *
Chris@0:  * @param array $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  * @param array $requirements
Chris@0:  *   An array of requirements, in the same format as is returned by
Chris@0:  *   hook_requirements().
Chris@0:  *
Chris@0:  * @return
Chris@0:  *   A themed status report, or an exception if there are requirement errors.
Chris@0:  *   If there are only requirement warnings, a themed status report is shown
Chris@0:  *   initially, but the user is allowed to bypass it by providing 'continue=1'
Chris@0:  *   in the URL. Otherwise, no output is returned, so that the next task can be
Chris@0:  *   run in the same page request.
Chris@0:  *
Chris@0:  * @throws \Drupal\Core\Installer\Exception\InstallerException
Chris@0:  */
Chris@0: function install_display_requirements($install_state, $requirements) {
Chris@0:   // Check the severity of the requirements reported.
Chris@0:   $severity = drupal_requirements_severity($requirements);
Chris@0: 
Chris@0:   // If there are errors, always display them. If there are only warnings, skip
Chris@0:   // them if the user has provided a URL parameter acknowledging the warnings
Chris@0:   // and indicating a desire to continue anyway. See drupal_requirements_url().
Chris@0:   if ($severity == REQUIREMENT_ERROR || ($severity == REQUIREMENT_WARNING && empty($install_state['parameters']['continue']))) {
Chris@0:     if ($install_state['interactive']) {
Chris@0:       $build['report']['#type'] = 'status_report';
Chris@0:       $build['report']['#requirements'] = $requirements;
Chris@0:       if ($severity == REQUIREMENT_WARNING) {
Chris@0:         $build['#title'] = t('Requirements review');
Chris@0:         $build['#suffix'] = t('Check the messages and <a href=":retry">retry</a>, or you may choose to <a href=":cont">continue anyway</a>.', [':retry' => drupal_requirements_url(REQUIREMENT_ERROR), ':cont' => drupal_requirements_url($severity)]);
Chris@0:       }
Chris@0:       else {
Chris@0:         $build['#title'] = t('Requirements problem');
Chris@0:         $build['#suffix'] = t('Check the messages and <a href=":url">try again</a>.', [':url' => drupal_requirements_url($severity)]);
Chris@0:       }
Chris@0:       return $build;
Chris@0:     }
Chris@0:     else {
Chris@0:       // Throw an exception showing any unmet requirements.
Chris@0:       $failures = [];
Chris@0:       foreach ($requirements as $requirement) {
Chris@0:         // Skip warnings altogether for non-interactive installations; these
Chris@0:         // proceed in a single request so there is no good opportunity (and no
Chris@0:         // good method) to warn the user anyway.
Chris@0:         if (isset($requirement['severity']) && $requirement['severity'] == REQUIREMENT_ERROR) {
Chris@0:           $failures[] = $requirement['title'] . ': ' . $requirement['value'] . "\n\n" . $requirement['description'];
Chris@0:         }
Chris@0:       }
Chris@0:       if (!empty($failures)) {
Chris@0:         throw new InstallerException(implode("\n\n", $failures));
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Installation task; writes profile to settings.php if possible.
Chris@0:  *
Chris@0:  * @param array $install_state
Chris@0:  *   An array of information about the current installation state.
Chris@0:  *
Chris@0:  * @see _install_select_profile()
Chris@0:  *
Chris@0:  * @deprecated in Drupal 8.3.0 and will be removed before Drupal 9.0.0. The
Chris@0:  *    install profile is written to core.extension.
Chris@0:  */
Chris@0: function install_write_profile($install_state) {
Chris@17:   // Only write the install profile to settings.php if it already exists. The
Chris@17:   // value from settings.php is never used but drupal_rewrite_settings() does
Chris@17:   // not support removing a setting. If the value is present in settings.php
Chris@17:   // there will be an informational notice on the status report.
Chris@0:   $settings_path = \Drupal::service('site.path') . '/settings.php';
Chris@17:   if (is_writable($settings_path) && array_key_exists('install_profile', Settings::getAll())) {
Chris@0:     // Remember the profile which was used.
Chris@0:     $settings['settings']['install_profile'] = (object) [
Chris@0:       'value' => $install_state['parameters']['profile'],
Chris@0:       'required' => TRUE,
Chris@0:     ];
Chris@0:     drupal_rewrite_settings($settings);
Chris@0:   }
Chris@17: }
Chris@17: 
Chris@17: /**
Chris@17:  * Creates a batch for the config importer to process.
Chris@17:  *
Chris@17:  * @see install_tasks()
Chris@17:  */
Chris@17: function install_config_import_batch() {
Chris@17:   // We need to manually trigger the installation of core-provided entity types,
Chris@17:   // as those will not be handled by the module installer.
Chris@17:   // @see install_profile_modules()
Chris@17:   install_core_entity_type_definitions();
Chris@17: 
Chris@17:   // Get the sync storage.
Chris@17:   $sync = \Drupal::service('config.storage.sync');
Chris@17:   // Match up the site UUIDs, the install_base_system install task will have
Chris@17:   // installed the system module and created a new UUID.
Chris@17:   $system_site = $sync->read('system.site');
Chris@17:   \Drupal::configFactory()->getEditable('system.site')->set('uuid', $system_site['uuid'])->save();
Chris@17: 
Chris@17:   // Create the storage comparer and the config importer.
Chris@18:   $storage_comparer = new StorageComparer($sync, \Drupal::service('config.storage'));
Chris@17:   $storage_comparer->createChangelist();
Chris@17:   $config_importer = new ConfigImporter(
Chris@17:     $storage_comparer,
Chris@17:     \Drupal::service('event_dispatcher'),
Chris@18:     \Drupal::service('config.manager'),
Chris@17:     \Drupal::service('lock.persistent'),
Chris@17:     \Drupal::service('config.typed'),
Chris@17:     \Drupal::service('module_handler'),
Chris@17:     \Drupal::service('module_installer'),
Chris@17:     \Drupal::service('theme_handler'),
Chris@17:     \Drupal::service('string_translation')
Chris@17:   );
Chris@17: 
Chris@17:   try {
Chris@17:     $sync_steps = $config_importer->initialize();
Chris@17: 
Chris@17:     $batch_builder = new BatchBuilder();
Chris@17:     $batch_builder
Chris@17:       ->setFinishCallback([ConfigImporterBatch::class, 'finish'])
Chris@17:       ->setTitle(t('Importing configuration'))
Chris@17:       ->setInitMessage(t('Starting configuration import.'))
Chris@17:       ->setErrorMessage(t('Configuration import has encountered an error.'));
Chris@17: 
Chris@17:     foreach ($sync_steps as $sync_step) {
Chris@17:       $batch_builder->addOperation([ConfigImporterBatch::class, 'process'], [$config_importer, $sync_step]);
Chris@17:     }
Chris@17: 
Chris@17:     return $batch_builder->toArray();
Chris@17:   }
Chris@17:   catch (ConfigImporterException $e) {
Chris@17:     global $install_state;
Chris@17:     // There are validation errors.
Chris@17:     $messenger = \Drupal::messenger();
Chris@17:     $messenger->addError(t('The configuration synchronization failed validation.'));
Chris@17:     foreach ($config_importer->getErrors() as $message) {
Chris@17:       $messenger->addError($message);
Chris@17:     }
Chris@17:     install_display_output(['#title' => t('Configuration validation')], $install_state);
Chris@0:   }
Chris@0: }
Chris@17: 
Chris@17: /**
Chris@17:  * Replaces install_download_translation() during configuration installs.
Chris@17:  *
Chris@17:  * @param array $install_state
Chris@17:  *   An array of information about the current installation state.
Chris@17:  *
Chris@17:  * @return string
Chris@17:  *   A themed status report, or an exception if there are requirement errors.
Chris@17:  *   Upon successful download the page is reloaded and no output is returned.
Chris@17:  *
Chris@17:  * @see install_download_translation()
Chris@17:  */
Chris@17: function install_config_download_translations(&$install_state) {
Chris@17:   $needs_download = isset($install_state['parameters']['langcode']) && !isset($install_state['translations'][$install_state['parameters']['langcode']]) && $install_state['parameters']['langcode'] !== 'en';
Chris@17:   if ($needs_download) {
Chris@17:     return install_download_translation($install_state);
Chris@17:   }
Chris@17: }
Chris@17: 
Chris@17: /**
Chris@17:  * Reverts configuration if hook_install() implementations have made changes.
Chris@17:  *
Chris@17:  * This step ensures that the final configuration matches the configuration
Chris@17:  * provided to the installer.
Chris@17:  */
Chris@17: function install_config_revert_install_changes() {
Chris@17:   global $install_state;
Chris@17: 
Chris@18:   $storage_comparer = new StorageComparer(\Drupal::service('config.storage.sync'), \Drupal::service('config.storage'));
Chris@17:   $storage_comparer->createChangelist();
Chris@17:   if ($storage_comparer->hasChanges()) {
Chris@17:     $config_importer = new ConfigImporter(
Chris@17:       $storage_comparer,
Chris@17:       \Drupal::service('event_dispatcher'),
Chris@18:       \Drupal::service('config.manager'),
Chris@17:       \Drupal::service('lock.persistent'),
Chris@17:       \Drupal::service('config.typed'),
Chris@17:       \Drupal::service('module_handler'),
Chris@17:       \Drupal::service('module_installer'),
Chris@17:       \Drupal::service('theme_handler'),
Chris@17:       \Drupal::service('string_translation')
Chris@17:     );
Chris@17:     try {
Chris@17:       $config_importer->import();
Chris@17:     }
Chris@17:     catch (ConfigImporterException $e) {
Chris@17:       global $install_state;
Chris@17:       $messenger = \Drupal::messenger();
Chris@17:       // There are validation errors.
Chris@17:       $messenger->addError(t('The configuration synchronization failed validation.'));
Chris@17:       foreach ($config_importer->getErrors() as $message) {
Chris@17:         $messenger->addError($message);
Chris@17:       }
Chris@17:       install_display_output(['#title' => t('Configuration validation')], $install_state);
Chris@17:     }
Chris@17: 
Chris@17:     // At this point the configuration should match completely.
Chris@17:     if (\Drupal::moduleHandler()->moduleExists('language')) {
Chris@17:       // If the English language exists at this point we need to ensure
Chris@17:       // install_download_additional_translations_operations() does not delete
Chris@17:       // it.
Chris@17:       if (ConfigurableLanguage::load('en')) {
Chris@17:         $install_state['profile_info']['keep_english'] = TRUE;
Chris@17:       }
Chris@17:     }
Chris@17:   }
Chris@17: }