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Path: /home/s13cf5ef/www/tuscamisetaspersonalizadas.es/includes/modules/payment/ [ Home ]
Name File: paypal_express.php

< back
<?php
/*
  $Id: paypal_express.php 1803 2008-01-11 18:16:37Z hpdl $

  osCommerce, Open Source E-Commerce Solutions
  http://www.oscommerce.com

  Copyright (c) 2008 osCommerce

  Released under the GNU General Public License
*/

  class paypal_express {
    var $code, $title, $description, $enabled;

// class constructor
    function paypal_express() {
      global $order;

      $this->signature = 'paypal|paypal_express|1.0|2.2';

      $this->code = 'paypal_express';
      $this->title = MODULE_PAYMENT_PAYPAL_EXPRESS_TEXT_TITLE;
      $this->public_title = MODULE_PAYMENT_PAYPAL_EXPRESS_TEXT_PUBLIC_TITLE;
      $this->description = MODULE_PAYMENT_PAYPAL_EXPRESS_TEXT_DESCRIPTION;
      $this->sort_order = MODULE_PAYMENT_PAYPAL_EXPRESS_SORT_ORDER;
      $this->enabled = ((MODULE_PAYMENT_PAYPAL_EXPRESS_STATUS == 'True') ? true : false);

      if ((int)MODULE_PAYMENT_PAYPAL_EXPRESS_ORDER_STATUS_ID > 0) {
        $this->order_status = MODULE_PAYMENT_PAYPAL_EXPRESS_ORDER_STATUS_ID;
      }

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

// class methods
    function update_status() {
      global $order;

      if ( ($this->enabled == true) && ((int)MODULE_PAYMENT_PAYPAL_EXPRESS_ZONE > 0) ) {
        $check_flag = false;
        $check_query = tep_db_query("select zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " where geo_zone_id = '" . MODULE_PAYMENT_PAYPAL_EXPRESS_ZONE . "' and zone_country_id = '" . $order->delivery['country']['id'] . "' order by zone_id");
        while ($check = tep_db_fetch_array($check_query)) {
          if ($check['zone_id'] < 1) {
            $check_flag = true;
            break;
          } elseif ($check['zone_id'] == $order->delivery['zone_id']) {
            $check_flag = true;
            break;
          }
        }

        if ($check_flag == false) {
          $this->enabled = false;
        }
      }
    }

    function checkout_initialization_method() {
      global $language;

      if (file_exists(DIR_FS_CATALOG . 'ext/modules/payment/paypal/images/btn_express_' . basename($language) . '.gif')) {
        $image = 'ext/modules/payment/paypal/images/btn_express_' . basename($language) . '.gif';
      } else {
        $image = 'ext/modules/payment/paypal/images/btn_express.gif';
      }

      $string = '<a href="' . tep_href_link('ext/modules/payment/paypal/express.php', '', 'SSL') . '"><img src="' . $image . '" border="0" alt="" title="' . tep_output_string_protected(MODULE_PAYMENT_PAYPAL_EXPRESS_TEXT_BUTTON) . '" /></a>';

      return $string;
    }

    function javascript_validation() {
      return false;
    }

    function selection() {
      return array('id' => $this->code,
                   'module' => $this->public_title);
    }

    function pre_confirmation_check() {
      if (!tep_session_is_registered('ppe_token')) {
        tep_redirect(tep_href_link('ext/modules/payment/paypal/express.php', '', 'SSL'));
      }
    }

    function confirmation() {
      global $comments;

      if (!isset($comments)) {
        $comments = null;
      }

      $confirmation = false;

      if (empty($comments)) {
        $confirmation = array('fields' => array(array('title' => MODULE_PAYMENT_PAYPAL_EXPRESS_TEXT_COMMENTS,
                                                      'field' => tep_draw_textarea_field('ppecomments', 'soft', '60', '5', $comments))));
      }

      return $confirmation;
    }

    function process_button() {
      return false;
    }

    function before_process() {
      global $order, $sendto, $ppe_token, $ppe_payerid, $HTTP_POST_VARS, $comments;

      if (empty($comments)) {
        if (isset($HTTP_POST_VARS['ppecomments']) && tep_not_null($HTTP_POST_VARS['ppecomments'])) {
          $comments = tep_db_prepare_input($HTTP_POST_VARS['ppecomments']);

          $order->info['comments'] = $comments;
        }
      }

      if (MODULE_PAYMENT_PAYPAL_EXPRESS_TRANSACTION_SERVER == 'Live') {
        $api_url = 'https://api-3t.paypal.com/nvp';
      } else {
        $api_url = 'https://api-3t.sandbox.paypal.com/nvp';
      }

      $params = array('USER' => MODULE_PAYMENT_PAYPAL_EXPRESS_API_USERNAME,
                      'PWD' => MODULE_PAYMENT_PAYPAL_EXPRESS_API_PASSWORD,
                      'VERSION' => '3.2',
                      'SIGNATURE' => MODULE_PAYMENT_PAYPAL_EXPRESS_API_SIGNATURE,
                      'METHOD' => 'DoExpressCheckoutPayment',
                      'TOKEN' => $ppe_token,
                      'PAYMENTACTION' => ((MODULE_PAYMENT_PAYPAL_EXPRESS_TRANSACTION_METHOD == 'Sale') ? 'Sale' : 'Authorization'),
                      'PAYERID' => $ppe_payerid,
                      'AMT' => $this->format_raw($order->info['total']),
                      'CURRENCYCODE' => $order->info['currency'],
                      'BUTTONSOURCE' => 'osCommerce22_Default_EC');

      if (is_numeric($sendto) && ($sendto > 0)) {
        $params['SHIPTONAME'] = $order->delivery['firstname'] . ' ' . $order->delivery['lastname'];
        $params['SHIPTOSTREET'] = $order->delivery['street_address'];
        $params['SHIPTOCITY'] = $order->delivery['city'];
        $params['SHIPTOSTATE'] = tep_get_zone_code($order->delivery['country']['id'], $order->delivery['zone_id'], $order->delivery['state']);
        $params['SHIPTOCOUNTRYCODE'] = $order->delivery['country']['iso_code_2'];
        $params['SHIPTOZIP'] = $order->delivery['postcode'];
      }

      $post_string = '';

      foreach ($params as $key => $value) {
        $post_string .= $key . '=' . urlencode(trim($value)) . '&';
      }

      $post_string = substr($post_string, 0, -1);

      $response = $this->sendTransactionToGateway($api_url, $post_string);
      $response_array = array();
      parse_str($response, $response_array);

      if (($response_array['ACK'] != 'Success') && ($response_array['ACK'] != 'SuccessWithWarning')) {
        tep_redirect(tep_href_link(FILENAME_SHOPPING_CART, 'error_message=' . stripslashes($response_array['L_LONGMESSAGE0']), 'SSL'));
      }
    }

    function after_process() {
      tep_session_unregister('ppe_token');
      tep_session_unregister('ppe_payerid');
    }

    function get_error() {
      return false;
    }

    function check() {
      if (!isset($this->_check)) {
        $check_query = tep_db_query("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key = 'MODULE_PAYMENT_PAYPAL_EXPRESS_STATUS'");
        $this->_check = tep_db_num_rows($check_query);
      }
      return $this->_check;
    }

    function install() {
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Enable PayPal Express Checkout', 'MODULE_PAYMENT_PAYPAL_EXPRESS_STATUS', 'False', 'Do you want to accept PayPal Express Checkout payments?', '6', '1', 'tep_cfg_select_option(array(\'True\', \'False\'), ', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('API Username', 'MODULE_PAYMENT_PAYPAL_EXPRESS_API_USERNAME', '', 'The username to use for the PayPal API service', '6', '0', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('API Password', 'MODULE_PAYMENT_PAYPAL_EXPRESS_API_PASSWORD', '', 'The password to use for the PayPal API service', '6', '0', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('API Signature', 'MODULE_PAYMENT_PAYPAL_EXPRESS_API_SIGNATURE', '', 'The signature to use for the PayPal API service', '6', '0', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Transaction Server', 'MODULE_PAYMENT_PAYPAL_EXPRESS_TRANSACTION_SERVER', 'Live', 'Use the live or testing (sandbox) gateway server to process transactions?', '6', '0', 'tep_cfg_select_option(array(\'Live\', \'Sandbox\'), ', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Transaction Method', 'MODULE_PAYMENT_PAYPAL_EXPRESS_TRANSACTION_METHOD', 'Sale', 'The processing method to use for each transaction.', '6', '0', 'tep_cfg_select_option(array(\'Authorization\', \'Sale\'), ', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, use_function, set_function, date_added) values ('Payment Zone', 'MODULE_PAYMENT_PAYPAL_EXPRESS_ZONE', '0', 'If a zone is selected, only enable this payment method for that zone.', '6', '2', 'tep_get_zone_class_title', 'tep_cfg_pull_down_zone_classes(', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Sort order of display.', 'MODULE_PAYMENT_PAYPAL_EXPRESS_SORT_ORDER', '0', 'Sort order of display. Lowest is displayed first.', '6', '0', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, use_function, date_added) values ('Set Order Status', 'MODULE_PAYMENT_PAYPAL_EXPRESS_ORDER_STATUS_ID', '0', 'Set the status of orders made with this payment module to this value', '6', '0', 'tep_cfg_pull_down_order_statuses(', 'tep_get_order_status_name', now())");
      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('cURL Program Location', 'MODULE_PAYMENT_PAYPAL_EXPRESS_CURL', '/usr/bin/curl', 'The location to the cURL program application.', '6', '0' , now())");
   }

    function remove() {
      tep_db_query("delete from " . TABLE_CONFIGURATION . " where configuration_key in ('" . implode("', '", $this->keys()) . "')");
    }

    function keys() {
      return array('MODULE_PAYMENT_PAYPAL_EXPRESS_STATUS', 'MODULE_PAYMENT_PAYPAL_EXPRESS_API_USERNAME', 'MODULE_PAYMENT_PAYPAL_EXPRESS_API_PASSWORD', 'MODULE_PAYMENT_PAYPAL_EXPRESS_API_SIGNATURE', 'MODULE_PAYMENT_PAYPAL_EXPRESS_TRANSACTION_SERVER', 'MODULE_PAYMENT_PAYPAL_EXPRESS_TRANSACTION_METHOD', 'MODULE_PAYMENT_PAYPAL_EXPRESS_ZONE', 'MODULE_PAYMENT_PAYPAL_EXPRESS_ORDER_STATUS_ID', 'MODULE_PAYMENT_PAYPAL_EXPRESS_SORT_ORDER', 'MODULE_PAYMENT_PAYPAL_EXPRESS_CURL');
    }

    function sendTransactionToGateway($url, $parameters) {
      $server = parse_url($url);

      if (!isset($server['port'])) {
        $server['port'] = ($server['scheme'] == 'https') ? 443 : 80;
      }

      if (!isset($server['path'])) {
        $server['path'] = '/';
      }

      if (isset($server['user']) && isset($server['pass'])) {
        $header[] = 'Authorization: Basic ' . base64_encode($server['user'] . ':' . $server['pass']);
      }

      if (function_exists('curl_init')) {
        $curl = curl_init($server['scheme'] . '://' . $server['host'] . $server['path'] . (isset($server['query']) ? '?' . $server['query'] : ''));
        curl_setopt($curl, CURLOPT_PORT, $server['port']);
        curl_setopt($curl, CURLOPT_HEADER, 0);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_FORBID_REUSE, 1);
        curl_setopt($curl, CURLOPT_FRESH_CONNECT, 1);
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $parameters);

        $result = curl_exec($curl);

        curl_close($curl);
      } else {
        exec(escapeshellarg(MODULE_PAYMENT_PAYPAL_EXPRESS_CURL) . ' -d ' . escapeshellarg($parameters) . ' "' . $server['scheme'] . '://' . $server['host'] . $server['path'] . (isset($server['query']) ? '?' . $server['query'] : '') . '" -P ' . $server['port'] . ' -k', $result);
        $result = implode("\n", $result);
      }

      return $result;
    }

// format prices without currency formatting
    function format_raw($number, $currency_code = '', $currency_value = '') {
      global $currencies, $currency;

      if (empty($currency_code) || !$this->is_set($currency_code)) {
        $currency_code = $currency;
      }

      if (empty($currency_value) || !is_numeric($currency_value)) {
        $currency_value = $currencies->currencies[$currency_code]['value'];
      }

      return number_format(tep_round($number * $currency_value, $currencies->currencies[$currency_code]['decimal_places']), $currencies->currencies[$currency_code]['decimal_places'], '.', '');
    }
  }
?>