payment_datatrans.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the node module.
 */

use Drupal\Component\Utility\SafeMarkup;

/**
 * Implements hook_requirements().
 */
function payment_datatrans_requirements($phase) {
  $requirements = array();

  // Check the server's ability to indicate upload progress.
  if ($phase == 'runtime') {
    $datatrans_payment_method_configuration = entity_load('payment_method_configuration', 'payment_datatrans');
    if (!$datatrans_payment_method_configuration) {
      return $requirements;
    }
    $plugin_configuration = $datatrans_payment_method_configuration->getPluginConfiguration();

    if (empty($plugin_configuration['security']) || $plugin_configuration['security']['security_level'] != 2 || empty($plugin_configuration['security']['hmac_key'])) {
      if (empty($plugin_configuration['security']['hmac_key'])) {
        $value = t('No HMAC key defined');
      }

      if (empty($plugin_configuration['security']) || $plugin_configuration['security']['security_level'] != 2) {
        $value = t('Insecure security level');
      }

      $severity = REQUIREMENT_ERROR;
    }
    else {
      $value = t('Secure Configuration');
      $severity = REQUIREMENT_OK;
    }

    $edit_link = $datatrans_payment_method_configuration->link(t('Edit Configuration'));
    $description = t('You should not work with anything else than security level 2 on a productive system. Without the HMAC key there is no way to check whether the data really comes from Datatrans. @edit_link', array('@edit_link' => $edit_link));

    $requirements['payment_datatrans'] = array(
      'title' => t('Datatrans Security'),
      'value' => $value,
      'severity' => $severity,
      'description' => $description,
    );
  }

  return $requirements;
}