tfa.module in Two-factor Authentication (TFA) 8

Contains tfa.module.

File

tfa.module

<?php

/**
 * @file
 * Contains tfa.module.
 */
use Drupal\Component\Render\PlainTextOutput;
use Drupal\Core\Session\AccountInterface;
use Drupal\block\Entity\Block;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Access\AccessResult;

/**
 * Implements hook_help().
 */
function tfa_help($route_name, RouteMatchInterface $route_match) {
  $output = '';
  switch ($route_name) {

    // Main module help for the tfa module.
    case 'help.page.tfa':
      $output .= '<h3>' . \Drupal::translation()
        ->translate('About') . '</h3>';
      $output .= '<p>' . \Drupal::translation()
        ->translate('Pluggable provider of second factor authentication for Drupal. For more information, see the online documentation for the <a href=":tfa">Two-factor Authentication</a> module.', [
        ':tfa' => 'https://www.drupal.org/project/tfa',
      ]) . '</p>';
  }
  return $output;
}

/**
 * Implements hook_block_access().
 */
function tfa_block_access(Block $block, $operation, AccountInterface $account) {

  // Remove access to the core user_login_block so we can replace with the TFA
  // login block.
  if (\Drupal::config('tfa.settings')
    ->get('enabled') && $block
    ->getPluginId() === 'user_login_block') {
    return AccessResult::forbidden();
  }

  // No opinion.
  return AccessResult::neutral();
}

/**
 * Implements hook_mail().
 */
function tfa_mail($key, &$message, $params) {
  $token_service = \Drupal::token();
  $language_manager = \Drupal::languageManager();
  $variables = [
    'user' => $params['account'],
  ];
  $language = $language_manager
    ->getLanguage($params['account']
    ->getPreferredLangcode());
  $original_language = $language_manager
    ->getConfigOverrideLanguage();
  $language_manager
    ->setConfigOverrideLanguage($language);
  $tfa_config = \Drupal::config('tfa.settings');
  $token_options = [
    'langcode' => $message['langcode'],
    'clear' => TRUE,
  ];

  // Configuration mapping key matches the hook_mail() $key.
  $subject = $tfa_config
    ->get("mail.{$key}.subject");
  $subject = $token_service
    ->replace($subject, $variables, $token_options);
  $message['subject'] = PlainTextOutput::renderFromHtml($subject);
  $body = $tfa_config
    ->get("mail.{$key}.body");
  $message['body'][] = $token_service
    ->replace($body, $variables, $token_options);
  $language_manager
    ->setConfigOverrideLanguage($original_language);
}

Functions

Name	Description
tfa_block_access	Implements hook_block_access().
tfa_help	Implements hook_help().
tfa_mail	Implements hook_mail().