email_registration.module in Email Registration 6

For registration process without a username

File

email_registration.module

<?php

/**
 * @file
 * For registration process without a username
 *
 */

/**
 * Implementation of hook_user().
 *
 */
function email_registration_user($op, &$edit, &$account, $category = NULL) {
  switch ($op) {
    case 'insert':

      // Don't create a new username if one is already set.
      if (!empty($account->name) && strpos($account->name, 'email_registration_') !== 0) {
        return;
      }

      // Other modules may implement hook_email_registration_name($edit, $account)
      // to generate a username (return a string to be used as the username, NULL
      // to have email_registration generate it)
      $names = module_invoke_all('email_registration_name', $edit, $account);

      // Remove any empty entries
      $names = array_filter($names);
      if (empty($names)) {

        // Strip off everything after the @ sign.
        $new_name = preg_replace('/@.*$/', '', $edit['mail']);
      }
      else {

        // One would expect a single implementation of the hook, but if there
        // are multiples out there use the last one.
        $new_name = array_pop($names);
      }

      // Ensure whatever name we have is unique.
      $new_name = email_registration_unique_username($new_name, $account->uid);

      // Replace with generated username
      db_query("UPDATE {users} SET name = '%s' WHERE uid = '%s'", $new_name, $account->uid);
      $edit['name'] = $new_name;
      $account->name = $new_name;
      break;
  }
}

/**
 * Given a starting point for a Drupal username (e.g. the name portion of an
 * email address) return a legal, unique Drupal username. This function is
 * designed to work on the results of the /user/register or /admin/people/create
 * forms which have already called user_validate_name, valid_email_address
 * or a similar function. If your custom code is creating users, you should
 * ensure that the email/name is already validated using something like that.
 *
 * @param $name
 *   A name from which to base the final user name.  May contain illegal characters; these will be stripped.
 *
 * @param $uid
 *   (optional) Uid to ignore when searching for unique user (e.g. if we update the username after the
 *   {users} row is inserted)
 *
 * @return
 *   A unique user name based on $name.
 *
 * @see user_validate_name().
 *
 */
function email_registration_unique_username($name, $uid = 0) {

  // Strip illegal characters.
  $name = preg_replace('/[^\\x{80}-\\x{F7} a-zA-Z0-9@_.\'-]/', '', $name);

  // Strip leading and trailing spaces.
  $name = trim($name);

  // Convert any other series of spaces to a single underscore.
  $name = preg_replace('/ +/', '_', $name);

  // If there's nothing left use a default.
  $name = '' === $name ? t('user') : $name;

  // Truncate to reasonable size.
  $name = drupal_strlen($name) > USERNAME_MAX_LENGTH - 10 ? drupal_substr($name, 0, USERNAME_MAX_LENGTH - 11) : $name;

  // Iterate until we find a unique name.
  $i = 0;
  do {
    $new_name = empty($i) ? $name : $name . '_' . $i;
    $found = db_result(db_query_range("SELECT uid from {users} WHERE uid <> %d AND name = '%s'", $uid, $new_name, 0, 1));
    $i++;
  } while (!empty($found));
  return $new_name;
}

/**
 * Implementation of hook_form_FORMID_alter().
 */
function email_registration_form_user_register_alter(&$form, $form_state) {
  $name = 'email_registration_' . user_password();

  // TODO: document what this if statement is all about.
  if (isset($form['account']) && is_array($form['account'])) {
    $form['account']['name']['#type'] = 'value';
    $form['account']['name']['#value'] = $name;
    $form['account']['mail']['#title'] = t('E-mail');
  }
  else {
    $form['name']['#type'] = 'value';
    $form['name']['#value'] = $name;
    $form['mail']['#title'] = t('E-mail');
  }
  $form['#submit'][] = 'custom_email_registration_name_submit';
}

/**
 * Implementation of hook_form_FORMID_alter().
 */
function email_registration_form_user_pass_alter(&$form, $form_state) {
  $form['name']['#title'] = t('E-mail');
  $form['name']['#description'] = t('A password reset message will be sent to your e-mail address.');
}

/**
 * Implementation of hook_form_FORMID_alter().
 */
function email_registration_form_user_login_alter(&$form, $form_state) {
  $form['name']['#title'] = t('E-mail');
  $form['name']['#description'] = t('Enter your e-mail address.');
  $form['pass']['#description'] = t('Enter the password that accompanies your e-mail.');
  $form['name']['#element_validate'][] = 'email_registration_user_login_validate';
}

/**
 * Implementation of hook_form_FORMID_alter().
 */
function email_registration_form_user_login_block_alter(&$form, $form_state) {
  $form['name']['#title'] = t('E-mail');
  $form['name']['#element_validate'][] = 'email_registration_user_login_validate';
}

/**
 * Custom submit handler to fix redirect for immediate logins
 * #648450
 *
 */
function custom_email_registration_name_submit($form, &$form_state) {
  if (!isset($form_state['user'])) {
    return;
  }
  $admin = user_access('administer users');
  $account = $form_state['user'];
  if (!variable_get('user_email_verification', TRUE) && $account->status && !$admin) {

    // No e-mail verification is required, create new user account, and login
    // user immediately.
    $auth = array(
      'pass' => $form_state['values']['pass'],
      'name' => $account->name,
    );
    if (user_authenticate($auth)) {

      // Authenticated, add a message and go to the users account
      // Since the standard workflow doesn't work, no other messages should appear.
      drupal_set_message(t('Registration successful. You are now logged in.'));
      $form_state['redirect'] = 'user/' . $account->uid;
    }
  }
}

/**
 * Custom validation function for user login form.
 * Allows users to authenticate by email only, which is our preferred method.
 *
 */
function email_registration_user_login_validate($form, &$form_state) {
  if (isset($form_state['values']['name'])) {

    // Keep the email value in form state for furher validation.
    $form_state['values']['email'] = $form_state['values']['name'];
    if ($name = db_result(db_query("SELECT name FROM {users} WHERE LOWER(mail) = LOWER('%s')", $form_state['values']['name']))) {
      $form_state['values']['name'] = $name;
    }
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function email_registration_form_user_profile_form_alter($form, &$form_state) {
  $form['account']['name']['#title'] = t('Display name');
}

Functions

Name	Description
custom_email_registration_name_submit	Custom submit handler to fix redirect for immediate logins #648450
email_registration_form_user_login_alter	Implementation of hook_form_FORMID_alter().
email_registration_form_user_login_block_alter	Implementation of hook_form_FORMID_alter().
email_registration_form_user_pass_alter	Implementation of hook_form_FORMID_alter().
email_registration_form_user_profile_form_alter	Implements hook_form_FORM_ID_alter().
email_registration_form_user_register_alter	Implementation of hook_form_FORMID_alter().
email_registration_unique_username	Given a starting point for a Drupal username (e.g. the name portion of an email address) return a legal, unique Drupal username. This function is designed to work on the results of the /user/register or /admin/people/create forms which have already…
email_registration_user	Implementation of hook_user().
email_registration_user_login_validate	Custom validation function for user login form. Allows users to authenticate by email only, which is our preferred method.