paypalwpp.php

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<?php
/**
 * paypalwpp.php payment module class for Paypal Express Checkout / Website Payments Pro / Payflow Pro payment methods
 *
 * @package paymentMethod
 * @copyright Copyright 2003-2007 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: paypalwpp.php 7620 2007-12-11 19:12:46Z drbyte $
 */

/**
 * load the communications layer code
 */
require_once(DIR_FS_CATALOG . DIR_WS_MODULES . 'payment/paypal/paypal_curl.php');
/**
 * the PayPal payment module with Express Checkout
 *
 * currently supports US-NVP
 *
 */
class paypalwpp extends base {
  /**
   * name of this module
   *
   * @var string
   */
  var $code;
  /**
   * displayed module title
   *
   * @var string
   */
  var $title;
  /**
   * displayed module description
   *
   * @var string
   */
  var $description;
  /**
   * module status - set based on various config and zone criteria
   *
   * @var string
   */
  var $enabled;
  /**
   * the zone to which this module is restricted for use
   *
   * @var string
   */
  var $zone;
  /**
   * array holding accepted DP/gateway card types
   *
   * @var array
   */
  var $cards = array();
  /**
   * JS code used for gateway/DP mode
   *
   * @var string
   */
  var $cc_type_javascript = '';
  /**
   * JS code used for gateway/DP mode
   *
   * @var string
   */
  var $cc_type_check = '';
  /**
   * debugging flag
   *
   * @var boolean
   */
  var $enableDebugging = false;
  /**
   * is DP enabled ?
   *
   * @var boolean
   */
  var $enableDirectPayment = false;
  /**
   * Determines whether payment page is displayed or not
   *
   * @var boolean
   */
  var $showPaymentPage = false;
  var $flagDisablePaymentAddressChange = false;
  /**
   * sort order of display
   *
   * @var int
   */
  var $sort_order = 0;
  /**
   * Button Source / BN code -- enables the module to work for Zen Cart
   *
   * @var string
   */
  var $buttonSourceEC = 'ZenCart-EC_us';
  /**
   * order status setting for pending orders
   *
   * @var int
   */
  var $order_pending_status = 1;
  /**
   * order status setting for completed orders
   *
   * @var int
   */
  var $order_status = DEFAULT_ORDERS_STATUS_ID;
  /**
   * Debug tools
   */
  var $_logDir = 'includes/modules/payment/paypal/logs/';
  var $_logLevel = 0;
  /**
   * class constructor
   */
  function paypalwpp() {
    include_once(zen_get_file_directory(DIR_FS_CATALOG . DIR_WS_LANGUAGES . $_SESSION['language'] . '/modules/payment/', 'paypalwpp.php', 'false'));
    global $order;
    $this->code = 'paypalwpp';
    $this->codeTitle = MODULE_PAYMENT_PAYPALWPP_TEXT_ADMIN_TITLE_EC;
    $this->codeVersion = '1.3.8a';
    $this->enableDirectPayment = (MODULE_PAYMENT_PAYPALWPP_DIRECT_ENABLED == 'True');
    $this->enabled = (MODULE_PAYMENT_PAYPALWPP_STATUS == 'True');
    // Set the title & description text based on the mode we're in ... EC vs DP vs admin
    if (IS_ADMIN_FLAG === true) {
      $this->description = sprintf(MODULE_PAYMENT_PAYPALWPP_TEXT_ADMIN_DESCRIPTION, ' (rev' . $this->codeVersion . ')');
      switch (MODULE_PAYMENT_PAYPALWPP_MODULE_MODE) {
        case ('PayPal'):
          if (MODULE_PAYMENT_PAYPALWPP_DIRECT_ENABLED == 'True') {
            $this->title = MODULE_PAYMENT_PAYPALWPP_TEXT_ADMIN_TITLE_WPP;
          } else {
            $this->title = MODULE_PAYMENT_PAYPALWPP_TEXT_ADMIN_TITLE_EC;
          }
        break;
        case ('Payflow-UK'):
          $this->title = MODULE_PAYMENT_PAYPALWPP_TEXT_ADMIN_TITLE_PRO20;
        break;
        case ('Payflow-US'):
          if (defined('MODULE_PAYMENT_PAYPALWPP_PAYFLOW_EC') && MODULE_PAYMENT_PAYPALWPP_PAYFLOW_EC == 'Yes') {
            $this->title = MODULE_PAYMENT_PAYPALWPP_TEXT_ADMIN_TITLE_PF_EC;
          } else {
            $this->title = MODULE_PAYMENT_PAYPALWPP_TEXT_ADMIN_TITLE_PF_GATEWAY;
          }
        break;
        default:
          $this->title = MODULE_PAYMENT_PAYPALWPP_TEXT_ADMIN_TITLE_EC;
      }
      if ($this->enabled) {
        if ( (MODULE_PAYMENT_PAYPALWPP_MODULE_MODE == 'PayPal' && (MODULE_PAYMENT_PAYPALWPP_APISIGNATURE == '' || MODULE_PAYMENT_PAYPALWPP_APIUSERNAME == '' || MODULE_PAYMENT_PAYPALWPP_APIPASSWORD == ''))
          || (substr(MODULE_PAYMENT_PAYPALWPP_MODULE_MODE,0,7) == 'Payflow' && (MODULE_PAYMENT_PAYPALWPP_PFPARTNER == '' || MODULE_PAYMENT_PAYPALWPP_PFVENDOR == '' || MODULE_PAYMENT_PAYPALWPP_PFUSER == '' || MODULE_PAYMENT_PAYPALWPP_PFPASSWORD == ''))
          ) $this->title .= '<span class="alert"><strong> NOT CONFIGURED YET</strong></span>';
        if (MODULE_PAYMENT_PAYPALWPP_SERVER =='sandbox') $this->title .= '<strong><span class="alert"> (sandbox active)</span></strong>';
        if (MODULE_PAYMENT_PAYPALWPP_DEBUGGING =='Log File' || MODULE_PAYMENT_PAYPALWPP_DEBUGGING =='Log and Email') $this->title .= '<strong> (Debug)</strong>';
        if (!function_exists('curl_init')) $this->title .= '<strong><span class="alert"> CURL NOT FOUND. Cannot Use.</span></strong>';
      }
    } else {
      $this->description = MODULE_PAYMENT_PAYPALWPP_TEXT_DESCRIPTION;
      $this->title = MODULE_PAYMENT_PAYPALWPP_EC_TEXT_TITLE; //pp
      if (!$this->in_special_checkout() && $this->enableDirectPayment == true) {
        $this->title = MODULE_PAYMENT_PAYPALWPP_TEXT_TITLE; //cc
      }
    }

    if ((!defined('PAYPAL_OVERRIDE_CURL_WARNING') || (defined('PAYPAL_OVERRIDE_CURL_WARNING') && PAYPAL_OVERRIDE_CURL_WARNING != 'True')) && !function_exists('curl_init')) $this->enabled = false;

    $this->enableDebugging = (MODULE_PAYMENT_PAYPALWPP_DEBUGGING == 'Log File' || MODULE_PAYMENT_PAYPALWPP_DEBUGGING =='Log and Email');
    $this->emailAlerts = (MODULE_PAYMENT_PAYPALWPP_DEBUGGING == 'Log File' || MODULE_PAYMENT_PAYPALWPP_DEBUGGING =='Log and Email' || MODULE_PAYMENT_PAYPALWPP_DEBUGGING == 'Alerts Only');
    $this->doDPonly = (MODULE_PAYMENT_PAYPALWPP_MODULE_MODE =='Payflow-US' && !(defined('MODULE_PAYMENT_PAYPALWPP_PAYFLOW_EC') && MODULE_PAYMENT_PAYPALWPP_PAYFLOW_EC == 'Yes'));
    $this->showPaymentPage = (MODULE_PAYMENT_PAYPALWPP_SKIP_PAYMENT_PAGE == 'No') ? true : false;
    $this->sort_order = MODULE_PAYMENT_PAYPALWPP_SORT_ORDER;

    $this->buttonSourceEC = 'ZenCart-EC_us';
    $this->buttonSourceDP = 'ZenCart-DP_us';
    if (MODULE_PAYMENT_PAYPALWPP_MODULE_MODE == 'Payflow-UK') {
      $this->buttonSourceEC = 'ZenCart-EC_uk';
      $this->buttonSourceDP = 'ZenCart-DP_uk';
    }
    if (MODULE_PAYMENT_PAYPALWPP_MODULE_MODE == 'Payflow-US') {
      $this->buttonSourceEC = 'ZenCart-ECGW_us';
      $this->buttonSourceDP = 'ZenCart-GW_us';
    }

    $this->order_pending_status = MODULE_PAYMENT_PAYPALWPP_ORDER_PENDING_STATUS_ID;
    if ((int)MODULE_PAYMENT_PAYPALWPP_ORDER_STATUS_ID > 0) {
      $this->order_status = MODULE_PAYMENT_PAYPALWPP_ORDER_STATUS_ID;
    }
    $this->new_acct_notify = MODULE_PAYMENT_PAYPALWPP_NEW_ACCT_NOTIFY;
    $this->zone = (int)MODULE_PAYMENT_PAYPALWPP_ZONE;
    if (is_object($order)) $this->update_status();

    if (PROJECT_VERSION_MAJOR != '1' && substr(PROJECT_VERSION_MINOR, 0, 3) != '3.8') $this->enabled = false;

    // offer credit card choices for pull-down menu -- only needed for UK version
    $this->cards = array();
    if (MODULE_PAYMENT_PAYPALWPP_MODULE_MODE == 'Payflow-UK') {
      if (CC_ENABLED_VISA=='1')    $this->cards[] = array('id' => 'Visa', 'text' => 'Visa');
      if (CC_ENABLED_MC=='1')      $this->cards[] = array('id' => 'MasterCard', 'text' => 'MasterCard');
      if (CC_ENABLED_MAESTRO=='1') $this->cards[] = array('id' => 'Maestro', 'text' => 'Maestro');
      if (CC_ENABLED_SWITCH=='1')  $this->cards[] = array('id' => 'Switch', 'text' => 'Switch');
      if (CC_ENABLED_SOLO=='1')    $this->cards[] = array('id' => 'Solo', 'text' => 'Solo');
    }
    // if operating in markflow mode, start EC process when submitting order
    if (!$this->in_special_checkout() && $this->enableDirectPayment == false) {
      $this->form_action_url = zen_href_link('ipn_main_handler.php', 'type=ec&markflow=1&clearSess=1&stage=final', 'SSL', true, true, true);
    }

    // debug setup
    if (!@is_writable($this->_logDir)) $this->_logDir = DIR_FS_CATALOG . $this->_logDir;
    if (!@is_writable($this->_logDir)) $this->_logDir = DIR_FS_SQL_CACHE;
    // Regular mode:
    if ($this->enableDebugging) $this->_logLevel = PEAR_LOG_INFO;
    // DEV MODE:
    if (defined('PAYPAL_DEV_MODE') && PAYPAL_DEV_MODE == 'true') $this->_logLevel = PEAR_LOG_DEBUG;

    if (IS_ADMIN_FLAG === true) $this->tableCheckup();

  }
  /**
   *  Sets payment module status based on zone restrictions etc
   */
  function update_status() {
    global $order, $db;
    if ($this->enabled && (int)$this->zone > 0) {
      $check_flag = false;