first edition of module

<?php

/**

 * Implementation of hook_perm().

 */

function uc_rbkmoney_perm() {

  return array('administer uc_rbkmoney');

}

/**

 * Implementation of hook_menu().

 */

function uc_rbkmoney_menu() {

  $items['admin/store/settings/uc_rbkmoney'] = array(

    'title' => 'RBK Money',

    'page callback' => 'drupal_get_form',

    'page arguments' => array('uc_rbkmoney_setup'),

    'access arguments' => array('access content'),

    'type' => MENU_NORMAL_ITEM,

  );

  $items['uc_rbkmoney/response'] = array(

    'title' => 'Internal Data',

    'page callback' => 'uc_rbkmoney_done_payment',

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  $items['uc_rbkmoney/success'] = array(

    'title' => 'Internal Data',

    'page callback' => 'uc_rbkmoney_payment_end',

    'page arguments' => array('success'),

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  $items['uc_rbkmoney/fail'] = array(

    'title' => 'Internal Data',

    'page callback' => 'uc_rbkmoney_payment_end',

    'page arguments' => array('fail'),

    'access arguments' => array('access content'),

    'type' => MENU_CALLBACK,

  );

  return $items;

}

/**

 * Callback for settings page

 */

function uc_rbkmoney_setup() {

  $form['responseURL'] = array(

    '#type' => 'fieldset',

    '#collapsible' => TRUE,

    '#collapsed' => FALSE,

    '#title' => t('URL оповещения о платеже')

  );

  global $base_url;

  $form['responseURL']['url'] = array(

    '#type' => 'textfield',

    '#value' => $base_url . '/uc_rbkmoney/response',

    '#description' => t("Для вставки в поле \"Оповещение о платеже\" в личном кабинете на сайте <a target=_blank href=\"http://www.rbkmoney.ru\">RBK Money</a>"),

  );

  $form['actionURL'] = array(

    '#type' => 'textfield',

    '#title' => t('URL формы запроса платежа'),

    '#default_value' => variable_get('uc_rbkmoney_actionURL', 'https://rbkmoney.ru/acceptpurchase.aspx'),

    '#description' => t("По-умолчанию \"https://rbkmoney.ru/acceptpurchase.aspx\""),

    '#required' => TRUE,

  );

  $form['eshopId'] = array(

    '#type' => 'textfield',

    '#title' => t('ID сайта'),

    '#default_value' => variable_get('uc_rbkmoney_eshopId', ''),

    '#description' => t("Введите ID вашего сайта в системе RBK Money"),

    '#required' => TRUE,

  );

  $curr = variable_get('uc_rbkmoney_recipientCurrency', 'RUR');

  $form['recipientCurrency'] = array(

    '#type' => 'select',

    '#title' => t('Валюта платежей'),

    '#options' => array($curr => $curr, 'RUR' => 'RUR', 'USD' => 'USD', 'EUR' => 'EUR', 'UAH' => 'UAH'),

    '#description' => t("Укажите валюту платежей"),

    '#required' => TRUE,

  );

  $form['secretKey'] = array(

    '#type' => 'textfield',

    '#title' => t('Секретный ключ'),

    '#default_value' => variable_get('uc_rbkmoney_secretKey', ''),

    '#description' => t("Секретный ключ, указанный вами в личном кабинете на сайте <a target=_blank href=\"http://www.rbkmoney.ru\">RBK Money</a>"),

    '#required' => TRUE,

  );

  $form['log'] = array(

    '#type' => 'radios',

    '#title' => t('Записывать ответы сервера RBK Money о платежах в <a href="/admin/reports/dblog">системный журнал</a>'),

    '#options' => array('on' => t('Да'), 'off' => t('Нет')),

    '#default_value' => variable_get('uc_rbkmoney_log', 'on'),

  );

  $form['preference'] = array(

    '#type' => 'fieldset',

    '#collapsible' => TRUE,

    '#collapsed' => TRUE,

    '#title' => t('Дополнительные опции протокола')

  );

  $pref = variable_get('uc_rbkmoney_preference', 'all');

  $form['preference']['method'] = array(

    '#type' => 'select',

    '#title' => t('Предпочитаемый способ оплаты'),

    '#options' => array(

      $pref => '',

      'all' => 'Все (по-умолчанию)',

      'inner' => 'С кошелька RBK Money',

      'bankCard' => 'Банковская карта Visa/MasterCard',

      'exchangers' => 'Электронные платежные системы',

      'prepaidcard' => 'Предоплаченная карта RBK Money',

      'transfers' => 'Системы денежных переводов',

      'terminals' => 'Платёжные терминалы',

      'iFree' => 'SMS',

      'bank' => 'Банковский платёж',

      'postRus' => 'Почта России',

      'atm' => 'Банкоматы',

      'yandex' => 'Яндекс',

      'ibank' => 'Интернет банкинг',

      'euroset' => 'Евросеть'

    ),

    '#description' => t("Способ оплаты, который будет выбран при оплате покупки, минуя экран выбора"),

  );

  $form['submit'] = array(

    '#type' => 'submit',

    '#value' => t('Сохранить'),

  );

  return $form;

}

/**

 * Submit setup form

 */

function uc_rbkmoney_setup_submit($form, &$form_state) {

  variable_set('uc_rbkmoney_actionURL', trim($form_state['values']['actionURL']));

  variable_set('uc_rbkmoney_eshopId', trim($form_state['values']['eshopId']));

  variable_set('uc_rbkmoney_recipientCurrency', $form_state['values']['recipientCurrency']);

  variable_set('uc_rbkmoney_secretKey', $form_state['values']['secretKey']);

  variable_set('uc_rbkmoney_log', $form_state['values']['log']);

  variable_set('uc_rbkmoney_preference', $form_state['values']['method']);

  drupal_set_message(t('Настройки сохранены'), $type = 'status');

}

/**

 * Implementation of hook_payment_method().

 */

function uc_rbkmoney_payment_method() {

  $path = base_path() . drupal_get_path('module', 'uc_rbkmoney');

  $title = t('RBK Money') . '<br /><img src="' . $path . '/images/logo.gif" style="position: relative; left: 2.5em;">';

  $methods[] = array(

    'id' => 'rbkmoney',

    'name' => t('RBK Money'),

    'title' => $title,

    'desc' => t('Оплата через систему RBK Money'),

    'weight' => 1,

    'callback' => 'uc_payment_method_rbkmoney',

    'checkout' => TRUE,

    'no_gateway' => TRUE,

  );

  return $methods;

}

/**

 * Callback for rbkmoney payment method settings.

 */

function uc_payment_method_rbkmoney($op, &$arg1) {

  switch ($op) {

    case 'cart-details':

      return $details;

    case 'cart-process':

      return;

  }

}

/**

 * Implementation of hook_form_alter().

 */

function uc_rbkmoney_form_alter(&$form, $form_state, $form_id) {

  $order_id = (int) $_SESSION['cart_order'];

  if ($form_id == 'uc_cart_checkout_review_form' && $order_id > 0) {

    $order = uc_order_load($order_id);

    if ($order->payment_method == 'rbkmoney') {

      unset($form['submit']);

      $form['#prefix'] = '<table><tr><td>';

      $form['#suffix'] = '</td><td>' . drupal_get_form('uc_rbkmoney_submit_form', $order) . '</td></tr></table>';

    }

  }

}

/**

 * Payment request form

 */

function uc_rbkmoney_submit_form($form_state, $order) {

  global $base_url;

  $desc = '';

  foreach ($order->products as $value) {

    $desc .= $value->qty . ' x ' . $value->title . ', ';

  }

  $form['eshopId'] = array(

    '#type' => 'hidden',

    '#value' => variable_get('uc_rbkmoney_eshopId', ''),

  );

  $form['orderId'] = array(

    '#type' => 'hidden',

    '#value' => $order->order_id,

  );

  $form['serviceName'] = array(

    '#type' => 'hidden',

    '#value' => $desc,

  );

  $form['recipientAmount'] = array(

    '#type' => 'hidden',

    '#value' => $order->order_total,

  );

  $form['recipientCurrency'] = array(

    '#type' => 'hidden',

    '#value' => variable_get('uc_rbkmoney_recipientCurrency', ''),

  );

  $form['successUrl'] = array(

    '#type' => 'hidden',

    '#value' => $base_url . '/uc_rbkmoney/success',

  );

  $form['failUrl'] = array(

    '#type' => 'hidden',

    '#value' => $base_url . '/uc_rbkmoney/fail',

  );

  $pref = variable_get('uc_rbkmoney_preference', '');

  if ($pref != 'all') {

    $form['preference'] = array(

      '#type' => 'hidden',

      '#value' => $pref,

    );

  }

  $form['#action'] = variable_get('uc_rbkmoney_actionURL', '');

  $form['submit'] = array(

    '#type' => 'submit',

    '#value' => t('Перейти к оплате'),

  );

  return $form;

}

/**

 * Callback for RBK Money system response

 */

function uc_rbkmoney_done_payment() {

  drupal_set_header('Content-type: text/html; charset=iso-8859-1');

  if (variable_get('uc_rbkmoney_log', '') == 'on') {

    $log = '<pre>' . var_export($GLOBALS['_POST'], TRUE) . '</pre>';

    watchdog('RBK Money', $log);

  }

  $response['eshopId'] = $GLOBALS['_POST']['eshopId'];

  $response['orderId'] = $GLOBALS['_POST']['orderId'];

  $response['serviceName'] = $GLOBALS['_POST']['serviceName'];

  $response['eshopAccount'] = $GLOBALS['_POST']['eshopAccount'];

  $response['recipientAmount'] = $GLOBALS['_POST']['recipientAmount'];

  $response['recipientCurrency'] = $GLOBALS['_POST']['recipientCurrency'];

  $response['paymentStatus'] = $GLOBALS['_POST']['paymentStatus'];

  $response['userName'] = $GLOBALS['_POST']['userName'];

  $response['userEmail'] = $GLOBALS['_POST']['userEmail'];

  $response['paymentData'] = $GLOBALS['_POST']['paymentData'];

  $response['hash'] = $GLOBALS['_POST']['hash'];

  if (!empty($response['hash'])) {

    $crc = md5($response['eshopId'] . '::' . $response['orderId'] . '::' . $response['serviceName'] . '::' . $response['eshopAccount'] . '::' . $response['recipientAmount'] . '::' . $response['recipientCurrency'] . '::' . $response['paymentStatus'] . '::' . $response['userName'] . '::' . $response['userEmail'] . '::' . $response['paymentData'] . '::' . variable_get('uc_rbkmoney_secretKey', ''));

    $order = uc_order_load($response['orderId']);

    if ($response['hash'] == $crc) {

      switch ($response['paymentStatus']) {

        case "3" :

          uc_order_update_status($response['orderId'], 'processing');

          uc_order_comment_save($response['orderId'], $order->uid, t('RBK Money: платеж обрабатывается'), $type = 'admin', $status = 1, $notify = FALSE);

          break;

        case "5" :

          uc_payment_enter($response['orderId'], 'RBK Money', $response['recipientAmount'], $order->uid, NULL, NULL);

          uc_cart_complete_sale($order);

          uc_order_comment_save($response['orderId'], $order->uid, t('RBK Money: платеж успешно выполнен'), $type = 'admin', $status = 1, $notify = FALSE);

          break;

      }

    } elseif ($response['hash'] != $crc) {

      uc_order_update_status($response['orderId'], 'canceled');

      uc_order_comment_save($response['orderId'], $order->uid, t('Контрольная подпись не совпадает, платеж отменен'), $type = 'admin', $status = 1, $notify = FALSE);

      drupal_set_message(t('Контрольная подпись не совпадает, платеж отменен'), 'warning');

      drupal_goto('cart');

    }

  }

}

/**

 * Callback redirect from RBK Money site

 */

function uc_rbkmoney_payment_end($arg) {

  switch ($arg) {

    case "success" :

      if (isset($_SESSION['cart_order'])) {

        $_SESSION['do_complete'] = TRUE;

        drupal_goto('cart/checkout/complete');

      }

      break;

    case "fail" :

      unset($_SESSION['cart_order']);

      drupal_set_message(t("Your payment has been declined."));

      drupal_goto('cart');

      break;

  }

  return;

}

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