/**
  * {@inheritdoc}
  */
 public function submitForm(array &$form, FormStateInterface $form_state)
 {
     // Store maintenance_mode setting so we can restore it when done.
     $_SESSION['maintenance_mode'] = $this->state->get('system.maintenance_mode');
     if ($form_state->getValue('maintenance_mode') == TRUE) {
         $this->state->set('system.maintenance_mode', TRUE);
     }
     if (!empty($_SESSION['update_manager_update_projects'])) {
         // Make sure the Updater registry is loaded.
         drupal_get_updaters();
         $updates = array();
         $directory = _update_manager_extract_directory();
         $projects = $_SESSION['update_manager_update_projects'];
         unset($_SESSION['update_manager_update_projects']);
         $project_real_location = NULL;
         foreach ($projects as $project => $url) {
             $project_location = $directory . '/' . $project;
             $updater = Updater::factory($project_location);
             $project_real_location = drupal_realpath($project_location);
             $updates[] = array('project' => $project, 'updater_name' => get_class($updater), 'local_url' => $project_real_location);
         }
         // If the owner of the last directory we extracted is the same as the
         // owner of our configuration directory (e.g. sites/default) where we're
         // trying to install the code, there's no need to prompt for FTP/SSH
         // credentials. Instead, we instantiate a Drupal\Core\FileTransfer\Local
         // and invoke update_authorize_run_update() directly.
         if (fileowner($project_real_location) == fileowner(conf_path())) {
             $this->moduleHandler->loadInclude('update', 'inc', 'update.authorize');
             $filetransfer = new Local(DRUPAL_ROOT);
             update_authorize_run_update($filetransfer, $updates);
         } else {
             system_authorized_init('update_authorize_run_update', drupal_get_path('module', 'update') . '/update.authorize.inc', array($updates), $this->t('Update manager'));
             $form_state->setRedirectUrl(system_authorized_get_url());
         }
     }
 }
 /**
  * {@inheritdoc}
  */
 public function submitForm(array &$form, FormStateInterface $form_state)
 {
     $local_cache = NULL;
     if ($form_state->getValue('project_url')) {
         $local_cache = update_manager_file_get($form_state->getValue('project_url'));
         if (!$local_cache) {
             drupal_set_message($this->t('Unable to retrieve Drupal project from %url.', array('%url' => $form_state->getValue('project_url'))), 'error');
             return;
         }
     } elseif ($_FILES['files']['name']['project_upload']) {
         $validators = array('file_validate_extensions' => array(archiver_get_extensions()));
         if (!($finfo = file_save_upload('project_upload', $validators, NULL, 0, FILE_EXISTS_REPLACE))) {
             // Failed to upload the file. file_save_upload() calls
             // drupal_set_message() on failure.
             return;
         }
         $local_cache = $finfo->getFileUri();
     }
     $directory = _update_manager_extract_directory();
     try {
         $archive = update_manager_archive_extract($local_cache, $directory);
     } catch (\Exception $e) {
         drupal_set_message($e->getMessage(), 'error');
         return;
     }
     $files = $archive->listContents();
     if (!$files) {
         drupal_set_message($this->t('Provided archive contains no files.'), 'error');
         return;
     }
     // Unfortunately, we can only use the directory name to determine the
     // project name. Some archivers list the first file as the directory (i.e.,
     // MODULE/) and others list an actual file (i.e., MODULE/README.TXT).
     $project = strtok($files[0], '/\\');
     $archive_errors = $this->moduleHandler->invokeAll('verify_update_archive', array($project, $local_cache, $directory));
     if (!empty($archive_errors)) {
         drupal_set_message(array_shift($archive_errors), 'error');
         // @todo: Fix me in D8: We need a way to set multiple errors on the same
         // form element and have all of them appear!
         if (!empty($archive_errors)) {
             foreach ($archive_errors as $error) {
                 drupal_set_message($error, 'error');
             }
         }
         return;
     }
     // Make sure the Updater registry is loaded.
     drupal_get_updaters();
     $project_location = $directory . '/' . $project;
     try {
         $updater = Updater::factory($project_location, $this->root);
     } catch (\Exception $e) {
         drupal_set_message($e->getMessage(), 'error');
         return;
     }
     try {
         $project_title = Updater::getProjectTitle($project_location);
     } catch (\Exception $e) {
         drupal_set_message($e->getMessage(), 'error');
         return;
     }
     if (!$project_title) {
         drupal_set_message($this->t('Unable to determine %project name.', array('%project' => $project)), 'error');
     }
     if ($updater->isInstalled()) {
         drupal_set_message($this->t('%project is already installed.', array('%project' => $project_title)), 'error');
         return;
     }
     $project_real_location = drupal_realpath($project_location);
     $arguments = array('project' => $project, 'updater_name' => get_class($updater), 'local_url' => $project_real_location);
     // This process is inherently difficult to test therefore use a state flag.
     $test_authorize = FALSE;
     if (drupal_valid_test_ua()) {
         $test_authorize = \Drupal::state()->get('test_uploaders_via_prompt', FALSE);
     }
     // If the owner of the directory we extracted is the same as the owner of
     // our configuration directory (e.g. sites/default) where we're trying to
     // install the code, there's no need to prompt for FTP/SSH credentials.
     // Instead, we instantiate a Drupal\Core\FileTransfer\Local and invoke
     // update_authorize_run_install() directly.
     if (fileowner($project_real_location) == fileowner($this->sitePath) && !$test_authorize) {
         $this->moduleHandler->loadInclude('update', 'inc', 'update.authorize');
         $filetransfer = new Local($this->root);
         $response = call_user_func_array('update_authorize_run_install', array_merge(array($filetransfer), $arguments));
         if ($response instanceof Response) {
             $form_state->setResponse($response);
         }
     } else {
         // The page title must be passed here to ensure it is initially used when
         // authorize.php loads for the first time with the FTP/SSH credentials
         // form.
         system_authorized_init('update_authorize_run_install', __DIR__ . '/../../update.authorize.inc', $arguments, $this->t('Update manager'));
         $form_state->setRedirectUrl(system_authorized_get_url());
     }
 }