login_disable.module in Login Disable 6

File

login_disable.module

<?php

/*
 * Control who can log in to a Drupal site
 * Developed by Mike C aka budda / Ixis IT www.ixis.co.uk
 */

/**
 * login_disable_menu function.
 * 
 * @access public
 * @return void
 */
function login_disable_menu() {
  $items = array();
  $items['admin/user/logindisable'] = array(
    'title' => 'Login Disable',
    'description' => 'Disable the login form & access for certain user roles.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'login_disable_settings_form',
    ),
    'access arguments' => array(
      'administer permissions',
    ),
    'type' => MENU_NORMAL_ITEM,
  );
  return $items;
}

/**
 * login_disable_perm function.
 * 
 * @access public
 * @return void
 */
function login_disable_perm() {
  return array(
    'bypass disabled login',
  );
}

/**
 * login_disable_form_user_login_block_alter function.
 * 
 * @access public
 * @param mixed &$form
 * @param mixed &$form_state
 * @return void
 */
function login_disable_form_user_login_block_alter(&$form, &$form_state) {
  login_disable_form_user_login_alter($form, $form_state);
}

/**
 * login_disable_form_user_login_alter function.
 * 
 * @access public
 * @param mixed &$form
 * @param mixed &$form_state
 * @return void
 */
function login_disable_form_user_login_alter(&$form, &$form_state) {
  static $already_checked;
  $key = variable_get('login_disable_key', 'admin');
  $active = array_filter(variable_get('login_disable_is_active', array()));
  if (isset($active['active'])) {

    // Stop the login form from working if no key is specified
    if (!array_key_exists($key, $_GET)) {
      $form['name']['#disabled'] = 'disabled';
      $form['pass']['#disabled'] = 'disabled';
      unset($form['submit']);
      $form['#validate'][] = 'login_disable_form_validate';
      if (!$already_checked) {
        drupal_set_message(variable_get('login_disable_message', 'Member logins have been temporarily disabled. Please try again later.'), 'warning');
        $already_checked = true;
      }
    }
  }
}

/**
 * login_disable_user function.
 * 
 * @access public
 * @param mixed $op
 * @param mixed &$edit
 * @param mixed &$account
 * @param mixed $category. (default: NULL)
 * @return void
 */
function login_disable_user($op, &$edit, &$account, $category = NULL) {
  $active = array_filter(variable_get('login_disable_is_active', array()));
  if ($op == 'login' && isset($active['active'])) {

    // If user is not allowed to bypass then log them out
    if (user_access('bypass disabled login') == FALSE) {
      drupal_set_message(variable_get('login_disable_message', 'Member logins have been temporarily disabled. Please try again later.'), 'warning');
      module_load_include('pages.inc', 'user');
      user_logout();
      exit;
    }
  }
}

/**
 * login_disable_settings_form function.
 * Settings form for configurable options.
 * 
 * @access public
 * @return void
 */
function login_disable_settings_form() {
  $form = array();
  $form['login_disable_is_active'] = array(
    '#type' => 'checkboxes',
    '#title' => 'Prevent user login',
    '#description' => t('When active the user login form will be disabled for everyone. For roles granted bypass rights they must use the access key defined below.'),
    '#options' => array(
      'active' => t('Prevent unauthorised users logging in to the site'),
    ),
    '#default_value' => variable_get('login_disable_is_active', array()),
  );
  $form['login_disable_key'] = array(
    '#title' => t('Access Key'),
    '#description' => t('Adding this word to the end of the @url url will allow access to the login form whilst it is disabled.', array(
      '@url' => 'user/login?' . variable_get('login_disable_key', 'admin'),
    )),
    '#type' => 'textfield',
    '#size' => 10,
    '#default_value' => variable_get('login_disable_key', 'admin'),
  );

  //!@todo validate key string
  $form['login_disable_message'] = array(
    '#title' => t('End-user message when login is disabled'),
    '#description' => t('Adding this word to the end of the @url url will allow access to the login form.', array(
      '@url' => 'user/login?' . variable_get('login_disable_key', 'admin'),
    )),
    '#type' => 'textfield',
    '#size' => 80,
    '#default_value' => variable_get('login_disable_message', 'Member logins have been temporarily disabled. Please try again later.'),
  );
  $form = system_settings_form($form);
  return $form;
}

Functions

Name	Description
login_disable_form_user_login_alter	login_disable_form_user_login_alter function.
login_disable_form_user_login_block_alter	login_disable_form_user_login_block_alter function.
login_disable_menu	login_disable_menu function.
login_disable_perm	login_disable_perm function.
login_disable_settings_form	login_disable_settings_form function. Settings form for configurable options.
login_disable_user	login_disable_user function.