function openid_form_user_register_form_alter

Implements hook_form_FORM_ID_alter().

Prefills the login form with values acquired via OpenID.

File

modules/openid/openid.module, line 182

Code

function openid_form_user_register_form_alter(&$form, &$form_state) {
    if (isset($_SESSION['openid']['response'])) {
        module_load_include('inc', 'openid');
        $response = $_SESSION['openid']['response'];
        // Extract Simple Registration keys from the response. We only include
        // signed keys as required by OpenID Simple Registration Extension 1.0,
        // section 4.
        $sreg_values = openid_extract_namespace($response, OPENID_NS_SREG, 'sreg', TRUE);
        // Extract Attribute Exchanges keys from the response. We only include
        // signed keys. This is not required by the specification, but it is
        // recommended by Google, see
        // http://googlecode.blogspot.com/2011/05/security-advisory-to-websites-using.html
        $ax_values = openid_extract_namespace($response, OPENID_NS_AX, 'ax', TRUE);
        if (!empty($sreg_values['nickname'])) {
            // Use the nickname returned by Simple Registration if available.
            $form['account']['name']['#default_value'] = $sreg_values['nickname'];
        }
        elseif ($ax_name_values = openid_extract_ax_values($ax_values, array(
            'http://axschema.org/namePerson/friendly',
            'http://schema.openid.net/namePerson/friendly',
        ))) {
            // Else, use the first nickname returned by AX if available.
            $form['account']['name']['#default_value'] = current($ax_name_values);
        }
        else {
            $form['account']['name']['#default_value'] = '';
        }
        if (!empty($sreg_values['email'])) {
            // Use the email returned by Simple Registration if available.
            $form['account']['mail']['#default_value'] = $sreg_values['email'];
        }
        elseif ($ax_mail_values = openid_extract_ax_values($ax_values, array(
            'http://axschema.org/contact/email',
            'http://schema.openid.net/contact/email',
        ))) {
            // Else, use the first nickname returned by AX if available.
            $form['account']['mail']['#default_value'] = current($ax_mail_values);
        }
        // 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['account']['pass']['#type'] = 'hidden';
            $form['account']['pass']['#value'] = user_password();
        }
        $form['openid_claimed_id'] = array(
            '#type' => 'value',
            '#default_value' => $response['openid.claimed_id'],
        );
        $form['openid_display'] = array(
            '#type' => 'item',
            '#title' => t('Your OpenID'),
            '#description' => t('This OpenID will be attached to your account after registration.'),
            '#markup' => check_plain($response['openid.claimed_id']),
        );
    }
}