public function AesAdminForm::buildForm in AES encryption 8.2

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form structure.

Overrides ConfigFormBase::buildForm

File

src/Form/AesAdminForm.php, line 25

Class

AesAdminForm

Provides a fields form controller.

Namespace

Drupal\aes\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {

  // $config = $this->config('aes.settings')->getRawData();
  $fileStorage = FileStorageFactory::getActive();
  $config = $fileStorage
    ->read('aes.settings');
  $phpsec_loaded = AES::load_phpsec(FALSE);
  $form = array();
  $form['aes'] = array(
    '#type' => 'fieldset',
    '#title' => t('AES settings'),
    '#collapsible' => FALSE,
  );
  $encryption_implementations = array();
  if ($phpsec_loaded) {
    $encryption_implementations['phpseclib'] = t('PHP Secure Communications Library (phpseclib)');
  }
  if (extension_loaded('mcrypt')) {
    $encryption_implementations['mcrypt'] = t('Mcrypt extension');
  }
  if (!empty($encryption_implementations['mcrypt']) && !empty($encryption_implementations['phpseclib'])) {
    $implementations_description = t('The Mcrypt implementation is faster than phpseclib and also lets you define the cipher to be used, other than that, the two core implementations are equivalent. Additional implementations might be added via plugin system.');
  }
  elseif (!empty($encryption_implementations['mcrypt']) && empty($encryption_implementations['phpseclib'])) {
    $implementations_description = t('The Mcrypt extension is the only installed implementation.') . $phpseclib_error_msg;
  }
  elseif (empty($encryption_implementations['mcrypt']) && !empty($encryption_implementations['phpseclib'])) {
    $implementations_description = t('PHP Secure Communications Library is the only installed implementation.');
  }

  /* @var \Drupal\aes\Plugin\AESPluginManager $plugin_manager */
  $plugin_manager = \Drupal::service('plugin.manager.aes');
  $plugin_definitions = $plugin_manager
    ->getDefinitions();
  foreach ($plugin_definitions as $plugin_definition) {
    $encryption_implementations[$plugin_definition['id']] = 'Plugin: ' . $plugin_definition['label'];
  }
  if (empty($encryption_implementations)) {
    drupal_set_message(t('You do not have an AES implementation installed! For correct AES work you need an encryption library (PhpSecLib, MCrypt) or own plugin implementation. Consult READMDE.txt for more details.'), 'error');
    return array();
  }
  $form['aes']['implementation'] = array(
    '#type' => 'select',
    '#title' => t('AES implementation'),
    '#options' => $encryption_implementations,
    '#default_value' => $config['implementation'],
    '#description' => $implementations_description,
  );
  $form['aes']['cipher'] = array(
    '#type' => 'select',
    '#title' => t('Cipher'),
    '#options' => array(
      'rijndael-128' => 'Rijndael 128',
      'rijndael-192' => 'Rijndael 192',
      'rijndael-256' => 'Rijndael 256',
    ),
    '#default_value' => $config['cipher'],
    '#states' => array(
      'disabled' => array(
        ':input[name="implementation"]' => array(
          'value' => 'phpseclib',
        ),
      ),
    ),
  );
  $form['aes']['cipher_comment'] = array(
    '#type' => 'item',
    '#description' => t('Cipher can be chosen for MCrypt implementation only. The phpseclib implementation is locked to Rijndael 128.'),
    '#states' => array(
      'visible' => array(
        ':input[name="implementation"]' => array(
          'value' => 'phpseclib',
        ),
      ),
    ),
  );
  $form['aes']['key'] = array(
    '#type' => 'textfield',
    '#title' => t('Key'),
    '#description' => t("The key for your encryption system. You normally don't need to worry about this since this module will generate a key for you if none is specified. However you have the option of using your own custom key here."),
    '#required' => TRUE,
    '#default_value' => $config['key'],
  );
  $form['aes']['key_confirm'] = array(
    '#type' => 'textfield',
    '#title' => t('Confirm key'),
    '#required' => TRUE,
    '#default_value' => $config['key'],
  );
  $form['aes']['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Save'),
  );
  return $form;
}