<?php
// $Id: noreqnewpass.module,v 1.1.2.1.2.5.2.2 2008/10/14 13:23:57 pedrofaria Exp $

/**
 * Implementation of hook_menu().
 */
function noreqnewpass_menu () {
  $items = array();
  
  $items['admin/settings/noreqnewpass'] = array(
    'title' => t('No Request New Password'),
    'description' => t('Manage password preferences'),
    'access arguments' => array('administer noreqnewpass'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array('noreqnewpass_admin_form'), 
  );
  
  return $items;
}

/**
 * Implementation of hook_menu_alter().
 */
function noreqnewpass_menu_alter(&$callback) {
  if (variable_get('noreqnewpass_disabled', true)) {    
    $callback['user/password'] = array('access arguments' => array(FALSE));
  }
}

/**
 * Implementation of hook_perm().
 */
function noreqnewpass_perm() {
  return array('administer noreqnewpass', 'can change your own password');
}


/**
 * Implementation of hook_form_alter().
 */
function noreqnewpass_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == 'user_login_block' && variable_get('noreqnewpass_disabled', true)) {
    $items = array();
    if (variable_get('user_register', 1)) {
      $items[] = l(t('Create new account'), 'user/register', array('title' => t('Create a new user account.')));
    }
  
    $form['links'] = array('#value' => theme('item_list', $items));
  }
  
  if (($form_id == 'user_login_block' || $form_id == 'user_login') && variable_get('noreqnewpass_disabled', true)) {
    $key = array_search('user_login_final_validate', $form['#validate']);
    $form['#validate'][2] = 'noreqnewpass_user_login_final_validate';
  }
  
  // Remove pass field from user edit form if he cant change
  if ($form_id == 'user_profile_form' && !user_access("can change your own password")) {
    unset($form['account']['pass']);
  }
}

/**
 * FAPI definitions for administration form
 * 
 * @return 
 */
function noreqnewpass_admin_form() {
  $form = array();
  
  $form['noreqnewpass_disabled'] = array(
    '#title' => t('Disable Request new password link'),
    '#type' => 'checkbox',
    '#default_value' => variable_get('noreqnewpass_disabled', true),
    '#description' => t('If checked, Request new password link will be disabled.')
  );
  
  return system_settings_form($form);
}

function noreqnewpass_user_login_final_validate($form_id, &$form_states) {
  global $user;
  if (!$user->uid) {
    form_set_error('name', t('Sorry, unrecognized username or password.'));
    watchdog('user', t('Login attempt failed for %user.', array('%user' => $form_values['name'])));
  }
}