lhfingerprintjs2.module in Login History 7

fingerprintjs2 support for the Login History module.

File

lhfingerprintjs2/lhfingerprintjs2.module

<?php

/**
 * @file
 * fingerprintjs2 support for the Login History module.
 */

/**
 * Implements hook_login_history_detect_device().
 */
function lhfingerprintjs2_login_history_detect_device_alter(&$detection, $edit, $account) {

  // Parse the Fingerprintjs2 data and put it in $detection.
  if (!empty($edit) && array_key_exists('lhfingerprintjs', $edit['values'])) {
    $detection['fingerprintjs2'] = $edit['values']['lhfingerprintjs'];
  }
  elseif (array_key_exists('lhfingerprintjs', $_SESSION)) {
    $detection['fingerprintjs2'] = $_SESSION['lhfingerprintjs'];
    unset($_SESSION['lhfingerprintjs']);
  }
  else {
    watchdog('lhfingerprintjs', 'Failed to detect fingerprintjs data for this user.', [], WATCHDOG_WARNING);
  }
}

/**
 * Implements hook_login_history_detection_results().
 */
function lhfingerprintjs2_login_history_detection_results($login_id, $detection, $old_device_id, $device_id, $account) {
  if (variable_get('lhfingerprintjs2_record_login_data', TRUE)) {
    $fingerprintjs = array_key_exists('fingerprintjs2', $detection) ? $detection['fingerprintjs2'] : '';

    // Use the login_id and save the raw data for later analysis.
    db_insert('lhfingerprintjs2')
      ->fields(array(
      'login_id' => $login_id,
      'fingerprintjs2' => json_encode($fingerprintjs),
    ))
      ->execute();
  }
}

/**
 * Implements hook_library().
 */
function lhfingerprintjs2_library() {
  $items = array();
  $items['fingerprintjs2'] = array(
    'title' => 'Fingerprintjs2',
    'website' => 'https://github.com/Valve/fingerprintjs2',
    'version' => '1.4.2',
    'js' => array(
      drupal_get_path('module', 'lhfingerprintjs2') . '/fingerprint2.min.js' => array(),
      drupal_get_path('module', 'lhfingerprintjs2') . '/lhfingerprintjs2.js' => array(),
    ),
  );
  return $items;
}

/**
 * Implements hook_form_alter().
 */
function lhfingerprintjs2_form_alter(&$form, &$form_state, $form_id) {
  switch ($form_id) {

    // Password form data is not sent to hook_user_login. This extra submit
    // function will put the data into $_SESSION so it's available later.
    case 'user_pass_reset':
      $form['#submit'][] = 'lhfingerprintjs_password_reset_storage';

    // Intentionally fall through to the rest of the form altering.
    case 'user_login_block':
    case 'user_login':
    case 'user_register_form':

      // A field to hold the fingerprint data.
      $form['lhfingerprintjs'] = array(
        '#type' => 'hidden',
        '#default_value' => '',
      );

      // What in the world would we do without our libraries?
      $form['lhfingerprintjs']['#attached']['library'][] = array(
        'lhfingerprintjs2',
        'fingerprintjs2',
      );
      break;
  }
}

/**
 * Form submit function, holds onto some data for later use.
 *
 * @see lhfingerprintjs2_login_history_detect_device_alter()
 */
function lhfingerprintjs_password_reset_storage($form, &$form_state) {
  $_SESSION['lhfingerprintjs'] = $form_state['values']['lhfingerprintjs'];
}

Functions

Name	Description
lhfingerprintjs2_form_alter	Implements hook_form_alter().
lhfingerprintjs2_library	Implements hook_library().
lhfingerprintjs2_login_history_detection_results	Implements hook_login_history_detection_results().
lhfingerprintjs2_login_history_detect_device_alter	Implements hook_login_history_detect_device().
lhfingerprintjs_password_reset_storage	Form submit function, holds onto some data for later use.