function user_account_form_validate

Form validation handler for user_account_form().

See also

user_account_form()

File

modules/user/user.module, line 1261

Code

function user_account_form_validate($form, &$form_state) {
    if ($form['#user_category'] == 'account' || $form['#user_category'] == 'register') {
        $account = $form['#user'];
        // Validate new or changing username.
        if (isset($form_state['values']['name'])) {
            if ($error = user_validate_name($form_state['values']['name'])) {
                form_set_error('name', $error);
            }
            elseif ((bool) db_select('users')->fields('users', array(
                'uid',
            ))
                ->condition('uid', $account->uid, '<>')
                ->condition('name', db_like($form_state['values']['name']), 'LIKE')
                ->range(0, 1)
                ->execute()
                ->fetchField()) {
                form_set_error('name', t('The name %name is already taken.', array(
                    '%name' => $form_state['values']['name'],
                )));
            }
        }
        // Trim whitespace from mail, to prevent confusing 'e-mail not valid'
        // warnings often caused by cutting and pasting.
        $mail = trim($form_state['values']['mail']);
        form_set_value($form['account']['mail'], $mail, $form_state);
        // Validate the e-mail address, and check if it is taken by an existing user.
        if ($error = user_validate_mail($form_state['values']['mail'])) {
            form_set_error('mail', $error);
        }
        elseif ((bool) db_select('users')->fields('users', array(
            'uid',
        ))
            ->condition('uid', $account->uid, '<>')
            ->condition('mail', db_like($form_state['values']['mail']), 'LIKE')
            ->range(0, 1)
            ->execute()
            ->fetchField()) {
            // Format error message dependent on whether the user is logged in or not.
            if ($GLOBALS['user']->uid) {
                // Do not fail the validation if user has not changed e-mail address.
                // This means that multiple accounts with the same e-mail address exist
                // and the logged-in user is one of them.
                if (isset($account->mail) && $account->mail != $mail || !isset($account->mail)) {
                    form_set_error('mail', t('The e-mail address %email is already taken.', array(
                        '%email' => $form_state['values']['mail'],
                    )));
                }
            }
            else {
                form_set_error('mail', t('The e-mail address %email is already registered. <a href="@password">Have you forgotten your password?</a>', array(
                    '%email' => $form_state['values']['mail'],
                    '@password' => url('user/password'),
                )));
            }
        }
        // Make sure the signature isn't longer than the size of the database field.
        // Signatures are disabled by default, so make sure it exists first.
        if (isset($form_state['values']['signature'])) {
            // Move text format for user signature into 'signature_format'.
            $form_state['values']['signature_format'] = $form_state['values']['signature']['format'];
            // Move text value for user signature into 'signature'.
            $form_state['values']['signature'] = $form_state['values']['signature']['value'];
            $user_schema = drupal_get_schema('users');
            if (drupal_strlen($form_state['values']['signature']) > $user_schema['fields']['signature']['length']) {
                form_set_error('signature', t('The signature is too long: it must be %max characters or less.', array(
                    '%max' => $user_schema['fields']['signature']['length'],
                )));
            }
        }
    }
}