function login_history_user_login in Login History 7

Same name and namespace in other branches

1. 8 login_history.module \login_history_user_login()

Implements hook_user_login().

File

./login_history.module, line 21

The login history module.

Code

function login_history_user_login(&$edit, $account) {

  // Is this a one-time login?
  $menu_item = menu_get_item();
  if ('user/reset/%/%/%' == $menu_item['path']) {
    $one_time = 1;
  }
  else {
    $one_time = 0;
  }

  // Validate and parse the cookie.
  module_load_include('inc', 'login_history', 'login_history');
  try {
    $old_device_id = login_history_get_device_id_from_cookie($_COOKIE, drupal_get_hash_salt());
  } catch (Exception $e) {
    $old_device_id = '';
    watchdog_exception('login_history', $e, NULL, array(), WATCHDOG_NOTICE);
  }

  // Perform some default gathering of info about the login event.
  $detection = array(
    'user_agent' => empty($_SERVER['HTTP_USER_AGENT']) ? '' : $_SERVER['HTTP_USER_AGENT'],
  );

  // Allow other modules to add more info to the detection.
  drupal_alter('login_history_detect_device', $detection, $edit, $account);

  // Have a consistent order for the hash.
  asort($detection);
  $device_id = hash('sha256', implode('', $detection));

  // Limit user agent strings to 255 characters. If a module cares about more
  // (or less) data, it should create it's own schema and store the agent there.
  // Now save the user's current login timestamp to login_history.
  $login_id = db_insert('login_history')
    ->fields(array(
    'uid' => $account->uid,
    'login' => $account->login,
    'hostname' => ip_address(),
    'one_time' => $one_time,
    'user_agent' => substr($detection['user_agent'], 0, 255),
    'device_id' => $device_id,
    'old_device_id' => $old_device_id,
  ))
    ->execute();

  // TODO: would be useful to load the prior login data here e.g. a change of IP address that is
  // still in the same geo location is less risky than a change of IP address across the world.
  $login_history_cookie = login_history_assemble_cookie($device_id, $login_id, drupal_get_hash_salt());
  user_cookie_save(array(
    'login_history' => $login_history_cookie,
  ));
  module_invoke_all('login_history_detection_results', $login_id, $detection, $old_device_id, $device_id, $account);
  if (variable_get('login_history_mail_on_new_login_device', FALSE)) {
    login_history_send_mail_new_login_device($login_id, $detection, $old_device_id, $device_id, $account);
  }
}