--- /dev/null
+<?php
+
+namespace Drupal\update\Form;
+
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\FileTransfer\Local;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Updater\Updater;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Configure update settings for this site.
+ */
+class UpdateManagerInstall extends FormBase {
+
+ /**
+ * The module handler.
+ *
+ * @var \Drupal\Core\Extension\ModuleHandlerInterface
+ */
+ protected $moduleHandler;
+
+ /**
+ * The root location under which installed projects will be saved.
+ *
+ * @var string
+ */
+ protected $root;
+
+ /**
+ * The site path.
+ *
+ * @var string
+ */
+ protected $sitePath;
+
+ /**
+ * Constructs a new UpdateManagerInstall.
+ *
+ * @param string $root
+ * The root location under which installed projects will be saved.
+ * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+ * The module handler.
+ * @param string $site_path
+ * The site path.
+ */
+ public function __construct($root, ModuleHandlerInterface $module_handler, $site_path) {
+ $this->root = $root;
+ $this->moduleHandler = $module_handler;
+ $this->sitePath = $site_path;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'update_manager_install_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container) {
+ return new static(
+ $container->get('update.root'),
+ $container->get('module_handler'),
+ $container->get('site.path')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ $this->moduleHandler->loadInclude('update', 'inc', 'update.manager');
+ if (!_update_manager_check_backends($form, 'install')) {
+ return $form;
+ }
+
+ $form['help_text'] = [
+ '#prefix' => '<p>',
+ '#markup' => $this->t('You can find <a href=":module_url">modules</a> and <a href=":theme_url">themes</a> on <a href=":drupal_org_url">drupal.org</a>. The following file extensions are supported: %extensions.', [
+ ':module_url' => 'https://www.drupal.org/project/modules',
+ ':theme_url' => 'https://www.drupal.org/project/themes',
+ ':drupal_org_url' => 'https://www.drupal.org',
+ '%extensions' => archiver_get_extensions(),
+ ]),
+ '#suffix' => '</p>',
+ ];
+
+ $form['project_url'] = [
+ '#type' => 'url',
+ '#title' => $this->t('Install from a URL'),
+ '#description' => $this->t('For example: %url', ['%url' => 'http://ftp.drupal.org/files/projects/name.tar.gz']),
+ ];
+
+ $form['information'] = [
+ '#prefix' => '<strong>',
+ '#markup' => $this->t('Or'),
+ '#suffix' => '</strong>',
+ ];
+
+ $form['project_upload'] = [
+ '#type' => 'file',
+ '#title' => $this->t('Upload a module or theme archive to install'),
+ '#description' => $this->t('For example: %filename from your local computer', ['%filename' => 'name.tar.gz']),
+ ];
+
+ $form['actions'] = ['#type' => 'actions'];
+ $form['actions']['submit'] = [
+ '#type' => 'submit',
+ '#button_type' => 'primary',
+ '#value' => $this->t('Install'),
+ ];
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function validateForm(array &$form, FormStateInterface $form_state) {
+ $all_files = $this->getRequest()->files->get('files', []);
+ if (!($form_state->getValue('project_url') xor !empty($all_files['project_upload']))) {
+ $form_state->setErrorByName('project_url', $this->t('You must either provide a URL or upload an archive file to install.'));
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$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.', ['%url' => $form_state->getValue('project_url')]), 'error');
+ return;
+ }
+ }
+ elseif ($_FILES['files']['name']['project_upload']) {
+ $validators = ['file_validate_extensions' => [archiver_get_extensions()]];
+ if (!($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 = $this->moduleHandler->invokeAll('verify_update_archive', [$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.', ['%project' => $project]), 'error');
+ }
+
+ if ($updater->isInstalled()) {
+ drupal_set_message($this->t('%project is already installed.', ['%project' => $project_title]), 'error');
+ return;
+ }
+
+ $project_real_location = drupal_realpath($project_location);
+ $arguments = [
+ '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);
+ $response = call_user_func_array('update_authorize_run_install', array_merge([$filetransfer], $arguments));
+ if ($response instanceof Response) {
+ $form_state->setResponse($response);
+ }
+ }
+
+ // Otherwise, go through the regular workflow to prompt for FTP/SSH
+ // credentials and invoke update_authorize_run_install() indirectly with
+ // whatever FileTransfer object authorize.php creates for us.
+ 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());
+ }
+ }
+
+}