authorizenet.php

Easy_Buy是一个在线销售系统

<?php
/**
 * autorize.net Standard payment method class
 *
 * @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: authorizenet.php 3308 2006-03-29 08:21:33Z ajeh $
 */
/**
 * Enter description here...
 *
 */
class authorizenet extends base {
  /**
   * $code determines the internal 'code' name used to designate "this" payment module
   *
   * @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;
  /**
   * @return authorizenet
   */
  function authorizenet() {
    global $order;

    $this->code = 'authorizenet';
    if ($_GET['main_page'] != '') {
      $this->title = MODULE_PAYMENT_AUTHORIZENET_TEXT_CATALOG_TITLE; // Payment module title in Catalog
    } else {
      $this->title = MODULE_PAYMENT_AUTHORIZENET_TEXT_ADMIN_TITLE; // Payment module title in Admin
    }
    $this->description = MODULE_PAYMENT_AUTHORIZENET_TEXT_DESCRIPTION;
    $this->enabled = ((MODULE_PAYMENT_AUTHORIZENET_STATUS == 'True') ? true : false);
    $this->sort_order = MODULE_PAYMENT_AUTHORIZENET_SORT_ORDER;

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

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

    $this->form_action_url = 'https://secure.authorize.net/gateway/transact.dll';
  }

  // Authorize.net utility functions
  // DISCLAIMER:
  //     This code is distributed in the hope that it will be useful, but without any warranty;
  //     without even the implied warranty of merchantability or fitness for a particular purpose.

  // Main Interfaces:
  //
  // function InsertFP ($loginid, $txnkey, $amount, $sequence) - Insert HTML form elements required for SIM
  // function CalculateFP ($loginid, $txnkey, $amount, $sequence, $tstamp) - Returns Fingerprint.

  // compute HMAC-MD5
  // Uses PHP mhash extension. Pl sure to enable the extension
  // function hmac ($key, $data) {
  //   return (bin2hex (mhash(MHASH_MD5, $data, $key)));
  //}

  // Thanks is lance from http://www.php.net/manual/en/function.mhash.php
  //lance_rushing at hot* spamfree *mail dot com
  //27-Nov-2002 09:36
  //
  //Want to Create a md5 HMAC, but don't have hmash installed?
  //
  //Use this:
  /**
   * compute HMAC-MD5
   *
   * @param string $key
   * @param string $data
   * @return string
   */
  function hmac ($key, $data)
  {
    // RFC 2104 HMAC implementation for php.
    // Creates an md5 HMAC.
    // Eliminates the need to install mhash to compute a HMAC
    // Hacked by Lance Rushing

    $b = 64; // byte length for md5
    if (strlen($key) > $b) {
      $key = pack("H*",md5($key));
    }
    $key  = str_pad($key, $b, chr(0x00));
    $ipad = str_pad('', $b, chr(0x36));
    $opad = str_pad('', $b, chr(0x5c));
    $k_ipad = $key ^ $ipad ;
    $k_opad = $key ^ $opad;

    return md5($k_opad  . pack("H*",md5($k_ipad . $data)));
  }
  // end code from lance (resume authorize.net code)

  // Calculate and return fingerprint
  // Use when you need control on the HTML output
  function CalculateFP ($loginid, $txnkey, $amount, $sequence, $tstamp, $currency = "") {
    return ($this->hmac ($txnkey, $loginid . "^" . $sequence . "^" . $tstamp . "^" . $amount . "^" . $currency));
  }
  /**
   * Inserts the hidden variables in the HTML FORM required for SIM
   * Invokes hmac function to calculate fingerprint.
   *
   * @param string $loginid
   * @param string $txnkey
   * @param float $amount
   * @param string $sequence
   * @param float $currency
   * @return string
   */

  function InsertFP ($loginid, $txnkey, $amount, $sequence, $currency = "") {
    $tstamp = time ();
    $fingerprint = $this->hmac ($txnkey, $loginid . "^" . $sequence . "^" . $tstamp . "^" . $amount . "^" . $currency);

    $str = zen_draw_hidden_field('x_fp_sequence', $sequence) .
    zen_draw_hidden_field('x_fp_timestamp', $tstamp) .
    zen_draw_hidden_field('x_fp_hash', $fingerprint);

    return $str;
  }
  // end authorize.net-provided code

  // class methods
  /**
   * 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_AUTHORIZENET_ZONE > 0) ) {
      $check_flag = false;
      $check = $db->Execute("select zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " where geo_zone_id = '" . MODULE_PAYMENT_AUTHORIZENET_ZONE . "' and zone_country_id = '" . $order->billing['country']['id'] . "' order by zone_id");
      while (!$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 == 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() {
    $js = '  if (payment_value == "' . $this->code . '") {' . "\n" .
    '    var cc_owner = document.checkout_payment.authorizenet_cc_owner.value;' . "\n" .
    '    var cc_number = document.checkout_payment.authorizenet_cc_number.value;' . "\n" .
    '    if (cc_owner == "" || cc_owner.length < ' . CC_OWNER_MIN_LENGTH . ') {' . "\n" .
    '      error_message = error_message + "' . MODULE_PAYMENT_AUTHORIZENET_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_AUTHORIZENET_TEXT_JS_CC_NUMBER . '";' . "\n" .
    '      error = 1;' . "\n" .
    '    }' . "\n" .
    '  }' . "\n";

    return $js;
  }
  /**
   * Display Credit Card Information Submission Fields on the Checkout Payment Page
   *
   * @return array
   */
  function selection() {
    global $order;

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