function openid_form_alter in Drupal 6

Implementation of hook_form_alter : adds OpenID login to the login forms.

File

modules/openid/openid.module, line 77

Implement OpenID Relying Party support for Drupal

Code

function openid_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == 'user_login_block' || $form_id == 'user_login') {
    drupal_add_css(drupal_get_path('module', 'openid') . '/openid.css', 'module');
    drupal_add_js(drupal_get_path('module', 'openid') . '/openid.js');
    if (!empty($form_state['post']['openid_identifier'])) {
      $form['name']['#required'] = FALSE;
      $form['pass']['#required'] = FALSE;
      unset($form['#submit']);
      $form['#validate'] = array(
        'openid_login_validate',
      );
    }
    $items = array();
    $items[] = array(
      'data' => l(t('Log in using OpenID'), '#'),
      'class' => 'openid-link',
    );
    $items[] = array(
      'data' => l(t('Cancel OpenID login'), '#'),
      'class' => 'user-link',
    );
    $form['openid_links'] = array(
      '#value' => theme('item_list', $items),
      '#weight' => 1,
    );
    $form['links']['#weight'] = 2;
    $form['openid_identifier'] = array(
      '#type' => 'textfield',
      '#title' => t('Log in using OpenID'),
      '#size' => $form_id == 'user_login' ? 58 : 13,
      '#maxlength' => 255,
      '#weight' => -1,
      '#description' => l(t('What is OpenID?'), 'http://openid.net/', array(
        'external' => TRUE,
      )),
    );
    $form['openid.return_to'] = array(
      '#type' => 'hidden',
      '#value' => url('openid/authenticate', array(
        'absolute' => TRUE,
        'query' => user_login_destination(),
      )),
    );
  }
  elseif ($form_id == 'user_register' && isset($_SESSION['openid']['values'])) {

    // We were unable to auto-register a new user. Prefill the registration
    // form with the values we have.
    $form['name']['#default_value'] = $_SESSION['openid']['values']['name'];
    $form['mail']['#default_value'] = $_SESSION['openid']['values']['mail'];

    // If user_email_verification is off, hide the password field and just fill
    // with random password to avoid confusion.
    if (!variable_get('user_email_verification', TRUE)) {
      $form['pass']['#type'] = 'hidden';
      $form['pass']['#value'] = user_password();
    }
    $form['auth_openid'] = array(
      '#type' => 'hidden',
      '#value' => $_SESSION['openid']['values']['auth_openid'],
    );
    $form['openid_display'] = array(
      '#type' => 'item',
      '#title' => t('Your OpenID'),
      '#description' => t('This OpenID will be attached to your account after registration.'),
      '#value' => check_plain($_SESSION['openid']['values']['auth_openid']),
    );
  }
  return $form;
}