linkpoint_api.php

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<?php
/**
 * @package paymentMethod
 * @copyright Copyright 2003-2007 Zen Cart Development Team
 * @copyright Portions Copyright 2003 osCommerce
 * @copyright Portions Copyright 2003 Jason LeBaron
 * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
 * @version $Id: linkpoint_api.php 7341 2007-11-02 06:29:30Z drbyte $
 */
  if (!defined('TABLE_LINKPOINT_API')) define('TABLE_LINKPOINT_API', DB_PREFIX . 'linkpoint_api');
  @define('MODULE_PAYMENT_LINKPOINT_API_CODE_DEBUG' ,'off'); // debug for programmer use only

class linkpoint_api {
  var $code, $title, $description, $enabled, $payment_status, $auth_code, $transaction_id;
  var $_logDir = DIR_FS_SQL_CACHE;

  // class constructor
  function linkpoint_api() {
    global $order, $messageStack;
    $this->code = 'linkpoint_api';
    $this->enabled = ((MODULE_PAYMENT_LINKPOINT_API_STATUS == 'True') ? true : false); // Whether the module is installed or not
    if ($_GET['main_page'] != '' && !IS_ADMIN_FLAG === true) {
      $this->title = MODULE_PAYMENT_LINKPOINT_API_TEXT_CATALOG_TITLE; // Payment module title in Catalog
    } else {
      $this->title = MODULE_PAYMENT_LINKPOINT_API_TEXT_ADMIN_TITLE; // Payment module title in Admin
      if ($this->enabled && !function_exists('curl_init')) $messageStack->add_session(MODULE_PAYMENT_LINKPOINT_API_TEXT_ERROR_CURL_NOT_FOUND, 'error');
    }
    $this->description = MODULE_PAYMENT_LINKPOINT_API_TEXT_DESCRIPTION;  // Descriptive Info about module in Admin
    $this->sort_order = MODULE_PAYMENT_LINKPOINT_API_SORT_ORDER; // Sort Order of this payment option on the customer payment page
    $this->form_action_url = zen_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL', false); // Page to go to upon submitting page info

    $this->order_status = (int)DEFAULT_ORDERS_STATUS_ID;
    if ((int)MODULE_PAYMENT_LINKPOINT_API_ORDER_STATUS_ID > 0) {
      $this->order_status = MODULE_PAYMENT_LINKPOINT_API_ORDER_STATUS_ID;
    }
    if (MODULE_PAYMENT_LINKPOINT_API_AUTHORIZATION_MODE == 'Authorize Only' && (int)MODULE_PAYMENT_LINKPOINT_API_PREAUTH_ORDER_STATUS_ID > 0) {
      $this->order_status = MODULE_PAYMENT_LINKPOINT_API_PREAUTH_ORDER_STATUS_ID;
    }
    $this->zone = (int)MODULE_PAYMENT_LINKPOINT_API_ZONE;

    if (is_object($order)) $this->update_status();

    $this->code_debug = (MODULE_PAYMENT_LINKPOINT_API_CODE_DEBUG=='debug') ? true : false;

    // set error messages if misconfigured
    if (MODULE_PAYMENT_LINKPOINT_API_STATUS == 'True') {
      if (MODULE_PAYMENT_LINKPOINT_API_LOGIN == 'EnterYourStoreNumber') {
        $this->title .= MODULE_PAYMENT_LINKPOINT_API_TEXT_NOT_CONFIGURED;
      } elseif (MODULE_PAYMENT_LINKPOINT_API_LOGIN != '' && !file_exists(DIR_FS_CATALOG . DIR_WS_MODULES . 'payment/linkpoint_api/' . MODULE_PAYMENT_LINKPOINT_API_LOGIN . '.pem') ) {
        $this->title .= MODULE_PAYMENT_LINKPOINT_API_TEXT_PEMFILE_MISSING;
      } elseif (MODULE_PAYMENT_LINKPOINT_API_TRANSACTION_MODE_RESPONSE != 'LIVE: Production') {
        $this->title .= MODULE_PAYMENT_LINKPOINT_API_TEXT_TEST_MODE;
      }
    }

    $this->_logDir = DIR_FS_SQL_CACHE;
  }


  // class methods

  function update_status() {
    global $order, $db;

    if ( $this->enabled && $this->zone > 0 ) {
      $check_flag = false;
      $sql = "SELECT zone_id
              FROM " . TABLE_ZONES_TO_GEO_ZONES . "
              WHERE geo_zone_id = :zoneId
              AND zone_country_id = :countryId
              ORDER BY zone_id";
      $sql = $db->bindVars($sql, ':zoneId', $this->zone, 'integer');
      $sql = $db->bindVars($sql, ':countryId', $order->billing['country']['id'], 'integer');
      $check = $db->Execute($sql);
      while (!$check->EOF) {
        if ($check->fields['zone_id'] < 1) {
          $check_flag = true;
          break;
        } elseif ($check->fields['zone_id'] == $order->billing['zone_id']) {
          $check_flag = true;
          break;
        }
        $check->MoveNext();
      }

      if (!$check_flag) {
        $this->enabled = false;
      }
    }
    // if in code-debug mode and IP address is in the down-for-maint list, enable the module (leaves it invisible to non-testers)
    if (strstr(EXCLUDE_ADMIN_IP_FOR_MAINTENANCE, $_SERVER['REMOTE_ADDR'])) {
      if ($this->code_debug) $this->enabled=true;
    }
  }

  // Validate the credit card information via javascript (Number, Owner, and CVV Lengths)
  function javascript_validation() {
    $js = '  if (payment_value == "' . $this->code . '") {' . "\n" .
          '    var cc_owner = document.checkout_payment.linkpoint_api_cc_owner.value;' . "\n" .
          '    var cc_number = document.checkout_payment.linkpoint_api_cc_number.value;' . "\n" .
          '    var cc_cvv = document.checkout_payment.linkpoint_api_cc_cvv.value;' . "\n" .
          '    if (cc_owner == "" || cc_owner.length < ' . CC_OWNER_MIN_LENGTH . ') {' . "\n" .
          '      error_message = error_message + "' . MODULE_PAYMENT_LINKPOINT_API_TEXT_JS_CC_OWNER . '";' . "\n" .
          '      error = 1;' . "\n" .
          '    }' . "\n" .
          '    if (cc_number == "" || cc_number.length < ' . CC_NUMBER_MIN_LENGTH . ') {' . "\n" .
          '      error_message = error_message + "' . MODULE_PAYMENT_LINKPOINT_API_TEXT_JS_CC_NUMBER . '";' . "\n" .
          '      error = 1;' . "\n" .
          '    }' . "\n" .
          '         if (cc_cvv == "" || cc_cvv.length < "3") {' . "\n".
          '           error_message = error_message + "' . MODULE_PAYMENT_LINKPOINT_API_TEXT_JS_CC_CVV . '";' . "\n" .
          '           error = 1;' . "\n" .
          '         }' . "\n" .
          '  }' . "\n";

    return $js;
  }

  // Display Credit Card Information Submission Fields on the Checkout Payment Page
  function selection() {
    global $order;

    for ($i=1; $i<13; $i++) {
      $expires_month[] = array('id' => sprintf('%02d', $i), 'text' => strftime('%B - (%m)',mktime(0,0,0,$i,1,2000)));
    }

    $today = getdate();
    for ($i=$today['year']; $i < $today['year']+10; $i++) {
      $expires_year[] = array('id' => strftime('%y',mktime(0,0,0,1,1,$i)), 'text' => strftime('%Y',mktime(0,0,0,1,1,$i)));
    }

    $onFocus = ' onfocus="methodSelect(\'pmt-' . $this->code . '\')"';

    $selection = array('id' => $this->code,
                       'module' => $this->title,
                       'fields' => array(array('title' => MODULE_PAYMENT_LINKPOINT_API_TEXT_CREDIT_CARD_OWNER,
                                               'field' => zen_draw_input_field('linkpoint_api_cc_owner', $order->billing['firstname'] . ' ' . $order->billing['lastname'], 'id="'.$this->code.'-cc-owner"'. $onFocus),
                                                 'tag' => $this->code.'-cc-owner'),
                                         array('title' => MODULE_PAYMENT_LINKPOINT_API_TEXT_CREDIT_CARD_NUMBER,
                                               'field' => zen_draw_input_field('linkpoint_api_cc_number', $ccnum, 'id="'.$this->code.'-cc-number"' . $onFocus),
                                                 'tag' => $this->code.'-cc-number'),
                                         array('title' => MODULE_PAYMENT_LINKPOINT_API_TEXT_CREDIT_CARD_EXPIRES,
                                               'field' => zen_draw_pull_down_menu('linkpoint_api_cc_expires_month', $expires_month, '', 'id="'.$this->code.'-cc-expires-month"' . $onFocus) . '&nbsp;' . zen_draw_pull_down_menu('linkpoint_api_cc_expires_year', $expires_year, '', 'id="'.$this->code.'-cc-expires-year"' . $onFocus),
                                                 'tag' => $this->code.'-cc-expires-month'),
                                         array('title' => MODULE_PAYMENT_LINKPOINT_API_TEXT_CVV,
                                               'field' => zen_draw_input_field('linkpoint_api_cc_cvv', '', 'size="4" maxlength="4"'. ' id="'.$this->code.'-cc-cvv"' . $onFocus) . ' ' . '<a href="javascript:popupWindow(\'' . zen_href_link(FILENAME_POPUP_CVV_HELP) . '\')">' . MODULE_PAYMENT_LINKPOINT_API_TEXT_POPUP_CVV_LINK . '</a>',
                                                 'tag' => $this->code.'-cc-cvv')));

    return $selection;
  }


  // Evaluates the Credit Card Type for acceptance and the validity of the Credit Card Number & Expiration Date
  function pre_confirmation_check() {
    global $db, $messageStack;

    include(DIR_WS_CLASSES . 'cc_validation.php');

    $cc_validation = new cc_validation();
    $result = $cc_validation->validate($_POST['linkpoint_api_cc_number'], $_POST['linkpoint_api_cc_expires_month'], $_POST['linkpoint_api_cc_expires_year']);
    $error = '';
    switch ($result) {
      case -1:
        $error = sprintf(TEXT_CCVAL_ERROR_UNKNOWN_CARD, substr($cc_validation->cc_number, 0, 4));
        break;
      case -2:
      case -3:
      case -4:
        $error = TEXT_CCVAL_ERROR_INVALID_DATE;
        break;
      case false:
        $error = TEXT_CCVAL_ERROR_INVALID_NUMBER;
        break;
    }

// save errors which occur during checkout_payment validation phase but haven't been sent to gateway yet
    if ( ($result == false) || ($result < 1) ) {
      $payment_error_return = 'payment_error=' . $this->code ;
      $error_info2 = '&error=' . urlencode($error) . '&linkpoint_api_cc_owner=' . urlencode($_POST['linkpoint_api_cc_owner']) . '&linkpoint_api_cc_expires_month=' . $_POST['linkpoint_api_cc_expires_month'] . '&linkpoint_api_cc_expires_year=' . $_POST['linkpoint_api_cc_expires_year'];
      $messageStack->add_session('checkout_payment', $error . '<!-- ['.$this->code.'] -->', 'error');

      if (MODULE_PAYMENT_LINKPOINT_API_STORE_DATA == 'True') {