function file_entity_upload_archive_form_submit in File Entity (fieldable files) 7.3

Same name and namespace in other branches

1. 7.2 file_entity.pages.inc \file_entity_upload_archive_form_submit()

Upload a file.

File

./file_entity.pages.inc, line 1330

Supports file operations including View, Edit, and Delete.

Code

function file_entity_upload_archive_form_submit($form, &$form_state) {
  $form_state['files'] = array();
  if ($archive = file_load($form_state['values']['upload'])) {
    if ($archiver = archiver_get_archiver($archive->uri)) {
      $files = $archiver
        ->listContents();
      $destination = pathinfo($archive->filename, PATHINFO_FILENAME);

      // Prepare a temporary directory to extract the archive to before saving
      // it is content.
      $extract_location = 'temporary://' . $destination;
      $extract_location = file_destination($extract_location, FILE_EXISTS_RENAME);
      if (!file_prepare_directory($extract_location, FILE_MODIFY_PERMISSIONS | FILE_CREATE_DIRECTORY)) {
        throw new Exception(t('Unable to prepare, a temporary directory %dir for extraction.', array(
          '%dir' => $extract_location,
        )));
      }

      // Prepare target directory where files are going to be saved.
      $target_dir = file_default_scheme() . '://' . $destination;
      $target_dir = file_destination($target_dir, FILE_EXISTS_RENAME);
      if (!file_prepare_directory($target_dir, FILE_MODIFY_PERMISSIONS | FILE_CREATE_DIRECTORY)) {
        throw new Exception(t('Unable to prepare, a directory %dir for extraction.', array(
          '%dir' => $target_dir,
        )));
      }
      $archiver
        ->extract($extract_location);
      $pattern = '/' . $form_state['values']['pattern'] . '/';
      if ($extracted_files = file_scan_directory($extract_location, $pattern)) {
        foreach ($extracted_files as $extracted_file) {
          $file = new stdClass();
          $file->fid = NULL;
          $file->uid = $archive->uid;
          $file->filename = $extracted_file->filename;
          $file->origname = $extracted_file->filename;
          $file->status = FILE_STATUS_PERMANENT;
          $file->filemime = file_get_mimetype($extracted_file->filename);

          // destination uri should match the current file directory hierarchy.
          $file->uri = $target_dir . str_replace($extract_location, '', $extracted_file->uri);

          // Rename potentially executable files, to help prevent exploits (i.e. will
          // rename filename.php.foo and filename.php to filename.php.foo.txt and
          // filename.php.txt, respectively). Don't rename if 'allow_insecure_uploads'
          // evaluates to TRUE.
          if (!variable_get('allow_insecure_uploads', 0) && preg_match('/\\.(php|pl|py|cgi|asp|js)(\\.|$)/i', $file->filename) && substr($file->filename, -4) != '.txt') {
            $file->filemime = 'text/plain';
            $file->uri .= '.txt';
            $file->filename .= '.txt';
          }

          // prepare destination path for the extracted file while keeping the
          // directory hierarchy of the file.
          $destination = pathinfo($file->uri, PATHINFO_DIRNAME);
          if (!file_prepare_directory($destination, FILE_MODIFY_PERMISSIONS | FILE_CREATE_DIRECTORY)) {
            throw new Exception(t('Unable to prepare, a directory %dir for extraction.', array(
              '%dir' => $destination,
            )));
          }
          if (!file_unmanaged_move($extracted_file->uri, $file->uri)) {
            throw new Exception(t('Could not move uploaded file %file to destination %destination.', array(
              '%file' => $extracted_file->filename,
              '%destination' => $file->uri,
            )));
            return FALSE;
          }
          file_save($file);
          $form_state['files'][$file->fid] = $file;
        }
      }

      // Delete extract location
      file_unmanaged_delete_recursive($extract_location);
      drupal_set_message(t('Extracted %file and added @count new files.', array(
        '%file' => $archive->filename,
        '@count' => count($files),
      )));
    }
    else {
      throw new Exception(t('Cannot extract %file, not a valid archive.', array(
        '%file' => $archive->uri,
      )));
    }
  }

  // Redirect to the file edit page.
  if (file_entity_access('edit') && module_exists('multiform')) {
    $destination = array(
      'destination' => 'admin/content/file',
    );
    if (isset($_GET['destination'])) {
      $destination = drupal_get_destination();
      unset($_GET['destination']);
    }
    $form_state['redirect'] = array(
      'admin/content/file/edit-multiple/' . implode(' ', array_keys($form_state['files'])),
      array(
        'query' => $destination,
      ),
    );
  }
  else {
    $form_state['redirect'] = 'admin/content/file';
  }
}