role_login_page.module in Multiple role login pages 7

File

role_login_page.module

<?php

/**
 * @file
 */

/**
 * Implements hook_help().
 */
function role_login_page_help($page, $arg) {
  switch ($page) {
    case 'admin/help#role_login_page':
      return t('This module is designed to create multiple login pages based on roles.
                The new login page will have everything configurable from the backend, i.e, "username field label", "password field label", "Error messages" and more.
                For example : If the new login page will have role "A" assigned to it then the users with role "A" can only login through this page.');
  }
}

/**
 * Implements hook_menu().
 */
function role_login_page_menu() {
  $items['admin/config/login/role_login_settings'] = array(
    'title' => 'Role login settings',
    'description' => 'Configure which roles will be associated with which pages.',
    'access arguments' => array(
      'administer role login settings',
    ),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      '_role_login_page_settings',
    ),
    'file' => 'role_login_page.admin.inc',
  );
  $items['admin/config/login/role_login_settings/list'] = array(
    'title' => 'Role login settings list',
    'description' => 'List of settings of role login page',
    'access arguments' => array(
      'administer role login settings',
    ),
    'page callback' => '_role_login_page_settings_list',
    'file' => 'role_login_page.pages.inc',
  );
  $items['admin/config/login/role_login_settings/edit/%'] = array(
    'title' => 'Role login settings edit',
    'description' => 'Configure which roles will be associated with which pages.',
    'access arguments' => array(
      'administer role login settings',
    ),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      '_role_login_page_settings_edit',
      5,
    ),
    'file' => 'role_login_page.admin.inc',
  );
  $items['admin/config/login/role_login_settings/delete/%'] = array(
    'title' => 'Role login settings delete',
    'access arguments' => array(
      'administer role login settings',
    ),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      '_role_login_page_settings_delete',
      5,
    ),
    'file' => 'role_login_page.admin.inc',
  );
  $login_menu_arr = db_select('role_login_page_settings', 'rlps')
    ->fields('rlps')
    ->execute()
    ->fetchAll();
  foreach ($login_menu_arr as $login_menu_data) {
    $items[$login_menu_data->url] = array(
      'title' => check_plain($login_menu_data->page_title),
      'page callback' => 'drupal_get_form',
      'page arguments' => array(
        '_role_login_page_loginmenu_callback',
        $login_menu_data,
      ),
      'access callback' => '_role_login_page_check_anonymous',
    );
  }
  return $items;
}

/**
 * Implements permission for the custom menu created.
 */
function _role_login_page_check_anonymous() {
  return user_is_anonymous() ? TRUE : FALSE;
}

/**
 * Implements hook_perm().
 */
function role_login_page_permission() {
  return array(
    'administer role login settings' => array(
      'title' => t('Administer Role Login Setings'),
      'description' => t('Configure which roles will be associated with which pages.'),
    ),
  );
}

/**
 * Implements login form for the custom menu created.
 */
function _role_login_page_loginmenu_callback($form, &$form_state, $loginmenu_data) {
  $form = array();
  $username_label = $loginmenu_data->username_label ? check_plain($loginmenu_data->username_label) : 'User Name or Email';
  $password_label = $loginmenu_data->password_label ? check_plain($loginmenu_data->password_label) : 'Password';
  $submit_btn_label = $loginmenu_data->submit_text ? check_plain($loginmenu_data->submit_text) : 'Login';
  $form['name'] = array(
    '#type' => 'textfield',
    '#title' => t($username_label),
    '#required' => TRUE,
  );
  $form['pass'] = array(
    '#type' => 'password',
    '#title' => t($password_label),
    '#required' => TRUE,
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t($submit_btn_label),
  );
  if (isset($_SESSION['loginmenu_data'])) {
    unset($_SESSION['loginmenu_data']);
  }
  $_SESSION['loginmenu_data'] = $loginmenu_data;
  return $form;
}

/**
 * Custom login form validation.
 */
function _role_login_page_loginmenu_callback_validate($form, &$form_state) {
  $loginmenu_data = $_SESSION['loginmenu_data'];
  $roles = $loginmenu_data->roles;
  $roles = explode(',', $roles);
  $role_mismatch_error = $loginmenu_data->role_mismatch_error_text ? check_plain($loginmenu_data->role_mismatch_error_text) : 'You do not have permissions to login through this page.';
  $invalid_credentials_error = $loginmenu_data->invalid_credentials_error_text ? check_plain($loginmenu_data->invalid_credentials_error_text) : 'Invalid credentials.';
  $username = $form_state['values']['name'];
  $password = $form_state['values']['pass'];
  if ($uid = user_authenticate($username, $password)) {
    if (!_role_login_page_validate_login_roles($uid, $roles)) {
      form_set_error('name', t($role_mismatch_error));
    }
  }
  else {
    form_set_error('name', t($invalid_credentials_error));
  }
}

/**
 * Submit custom login form .
 */
function _role_login_page_loginmenu_callback_submit($form, &$form_state) {
  $loginmenu_data = $_SESSION['loginmenu_data'];
  $roles = $loginmenu_data->roles;
  $roles = explode(',', $roles);
  $role_mismatch_error = $loginmenu_data->role_mismatch_error_text ? check_plain($loginmenu_data->role_mismatch_error_text) : 'You do not have permissions to login through this page.';
  $invalid_credentials_error = $loginmenu_data->invalid_credentials_error_text ? check_plain($loginmenu_data->invalid_credentials_error_text) : 'Invalid credentials.';
  $username = $form_state['values']['name'];
  $password = $form_state['values']['pass'];
  $redirect_path = $loginmenu_data->redirect_path ? $loginmenu_data->redirect_path : '';
  if ($uid = user_authenticate($username, $password)) {
    if (_role_login_page_validate_login_roles($uid, $roles)) {
      global $user;
      $user = user_load($uid);
      drupal_session_regenerate();
      drupal_goto($redirect_path);
      return TRUE;
    }
    else {
      form_set_error('name', t($role_mismatch_error));
    }
  }
  else {
    form_set_error('name', t($invalid_credentials_error));
    return FALSE;
  }
}

/**
 * Validate the allowed roles for this page.
 */
function _role_login_page_validate_login_roles($uid, $roles) {
  $user = user_load($uid);
  foreach ($user->roles as $role_index => $role_val) {
    if (in_array($role_index, $roles)) {
      return TRUE;
    }
  }
  return FALSE;
}

Functions

Name	Description
role_login_page_help	Implements hook_help().
role_login_page_menu	Implements hook_menu().
role_login_page_permission	Implements hook_perm().
_role_login_page_check_anonymous	Implements permission for the custom menu created.
_role_login_page_loginmenu_callback	Implements login form for the custom menu created.
_role_login_page_loginmenu_callback_submit	Submit custom login form .
_role_login_page_loginmenu_callback_validate	Custom login form validation.
_role_login_page_validate_login_roles	Validate the allowed roles for this page.