paypal.php

Zen Cart是一款最新的购物车软件

<?php
/**
 * paypal.php payment module class for Paypal IPN payment method
 *
 * @package paymentMethod
 * @copyright Copyright 2003-2006 Zen Cart Development Team
 * @copyright Portions Copyright 2003 osCommerce
 * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
 * @version $Id: paypal.php 3279 2006-03-27 22:51:19Z wilt $
 */

define('MODULE_PAYMENT_PAYPAL_RM', '2');

if (IS_ADMIN_FLAG === true) {
  include_once(DIR_FS_CATALOG_MODULES . 'payment/paypal/paypal_functions.php');
} else {
  include_once(DIR_WS_MODULES . 'payment/paypal/paypal_functions.php');
}
/**
 * paypal IPN pyment method class
 *
 */
class paypal extends base {
  /**
   * string repesenting the payment method
   *
   * @var string
   */
  var $code;
  /**
   * $title is the displayed name for this payment method
   *
   * @var string
    */
  var $title;
  /**
   * $description is a soft name for this payment method
   *
   * @var string
    */
  var $description;
  /**
   * $enabled determines whether this module shows or not... in catalog.
   *
   * @var boolean
    */
  var $enabled;
  /**
    * constructor
    *
    * @param int $paypal_ipn_id
    * @return paypal
    */
  function paypal($paypal_ipn_id = '') {
    global $order;
    $this->code = 'paypal';
    if ($_GET['main_page'] != '') {
      $this->title = MODULE_PAYMENT_PAYPAL_TEXT_CATALOG_TITLE; // Payment Module title in Catalog
    } else {
      $this->title = MODULE_PAYMENT_PAYPAL_TEXT_ADMIN_TITLE; // Payment Module title in Admin
    }
    $this->description = MODULE_PAYMENT_PAYPAL_TEXT_DESCRIPTION;
    $this->sort_order = MODULE_PAYMENT_PAYPAL_SORT_ORDER;
    $this->enabled = ((MODULE_PAYMENT_PAYPAL_STATUS == 'True') ? true : false);
    if ((int)MODULE_PAYMENT_PAYPAL_ORDER_STATUS_ID > 0) {
      $this->order_status = MODULE_PAYMENT_PAYPAL_ORDER_STATUS_ID;
    }
    if (is_object($order)) $this->update_status();
    if (MODULE_PAYMENT_PAYPAL_TESTING == 'Live') {
      $this->form_action_url = 'https://' . MODULE_PAYMENT_PAYPAL_HANDLER;
    } else {
      $this->form_action_url = DIR_WS_CATALOG . 'ipn_test.php';
    }
  }
  /**
   * calculate zone matches and flag settings to determine whether this module should display to customers or not
    *
    */
  function update_status() {
    global $order, $db;

    if ( ($this->enabled == true) && ((int)MODULE_PAYMENT_PAYPAL_ZONE > 0) ) {
      $check_flag = false;
      $check_query = $db->Execute("select zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " where geo_zone_id = '" . MODULE_PAYMENT_PAYPAL_ZONE . "' and zone_country_id = '" . $order->billing['country']['id'] . "' order by zone_id");
      while (!$check_query->EOF) {
        if ($check_query->fields['zone_id'] < 1) {
          $check_flag = true;
          break;
        } elseif ($check_query->fields['zone_id'] == $order->billing['zone_id']) {
          $check_flag = true;
          break;
        }
        $check_query->MoveNext();
      }

      if ($check_flag == false) {
        $this->enabled = false;
      }
    }
  }
  /**
   * JS validation which does error-checking of data-entry if this module is selected for use
   * (Number, Owner, and CVV Lengths)
   *
   * @return string
    */
  function javascript_validation() {
    return false;
  }
  /**
   * Displays Credit Card Information Submission Fields on the Checkout Payment Page
   * In the case of paypal, this only displays the paypal title
   *
   * @return array
    */
  function selection() {
    return array('id' => $this->code,
                 'module' => $this->title);
  }
  /**
   * Normally evaluates the Credit Card Type for acceptance and the validity of the Credit Card Number & Expiration Date
   * Since paypal module is not collecting info, it simply skips this step.
   *
   * @return boolean
   */
  function pre_confirmation_check() {
    return false;
  }
  /**
   * Display Credit Card Information on the Checkout Confirmation Page
   * Since none is collected for paypal before forwarding to paypal site, this is skipped
   *
   * @return boolean
    */
  function confirmation() {
    return false;
  }
  /**
   * Build the data and actions to process when the "Submit" button is pressed on the order-confirmation screen.
   * This sends the data to the payment gateway for processing.
   * (These are hidden fields on the checkout confirmation page)
   *
   * @return string
    */
  function process_button() {
    global $db, $order, $currencies, $currency;

    $this->totalsum = $order->info['total'];

    // save the session stuff permanently in case paypal loses the session
    $db->Execute("delete from " . TABLE_PAYPAL_SESSION . " where session_id = '" . session_id() . "'");

    $sql = "insert into " . TABLE_PAYPAL_SESSION . " (session_id, saved_session, expiry) values (
            '" . session_id() . "',
            '" . base64_encode(serialize($_SESSION)) . "',
            '" . (time() + (1*60*60*24*2)) . "')";

    $db->Execute($sql);


    if (MODULE_PAYMENT_PAYPAL_CURRENCY == 'Selected Currency') {
      $my_currency = $_SESSION['currency'];
    } else {
      $my_currency = substr(MODULE_PAYMENT_PAYPAL_CURRENCY, 5);
    }
    if (!in_array($my_currency, array('CAD', 'EUR', 'GBP', 'JPY', 'USD', 'AUD'))) {
      $my_currency = 'USD';
    }
    $telephone = preg_replace('/\D/', '', $order->customer['telephone']);
    $process_button_string = zen_draw_hidden_field('business', MODULE_PAYMENT_PAYPAL_BUSINESS_ID) .
                             zen_draw_hidden_field('cmd', '_ext-enter') .
                             zen_draw_hidden_field('return', zen_href_link(FILENAME_CHECKOUT_PROCESS, 'referer=paypal', 'SSL')) .
                             zen_draw_hidden_field('cancel_return', zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL')) .
                             zen_draw_hidden_field('notify_url', zen_href_link('ipn_main_handler.php', '', 'SSL',false,false,true)) .
                             zen_draw_hidden_field('rm', MODULE_PAYMENT_PAYPAL_RM) .
                             zen_draw_hidden_field('currency_code', $my_currency) .
    //                              zen_draw_hidden_field('address_override', MODULE_PAYMENT_PAYPAL_ADDRESS_OVERRIDE) .
    //                              zen_draw_hidden_field('no_shipping', MODULE_PAYMENT_PAYPAL_ADDRESS_REQUIRED) .
                             zen_draw_hidden_field('bn', 'zencart') .
                             zen_draw_hidden_field('mrb', 'R-6C7952342H795591R') .
                             zen_draw_hidden_field('pal', '9E82WJBKKGPLQ') .
                             zen_draw_hidden_field('cbt', MODULE_PAYMENT_PAYPAL_CBT) .
    //                              zen_draw_hidden_field('handling', MODULE_PAYMENT_PAYPAL_HANDLING) .
                             zen_draw_hidden_field('image_url', MODULE_PAYMENT_PAYPAL_IMAGE_URL) .