linkpoint_api.php

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        $cc_type = $cc_validation->cc_type;
        $cc_number_clean = $cc_validation->cc_number;
        $cc_expiry_month = $_POST['linkpoint_api_cc_expires_month'];
        $cc_expiry_year = $_POST['linkpoint_api_cc_expires_year'];
        $error_returned = $payment_error_return . $error_info2;

        $cc_number = (strlen($cc_number_clean) > 8) ? substr($cc_number_clean, 0, 4) . str_repeat('X', (strlen($cc_number_clean) - 8)) . substr($cc_number_clean, -4) : substr($cc_number_clean, 0, 3) . '**short**';

        while (strstr($error_returned, '%3A')) $error_returned = str_replace('%3A', ' ', $error_returned);
        while (strstr($error_returned, '%2C')) $error_returned = str_replace('%2C', ' ', $error_returned);
        while (strstr($error_returned, '+')) $error_returned = str_replace('+', ' ', $error_returned);
        $error_returned = str_replace('&', ' &', $error_returned);
        $cust_info =  $error_returned;

        $message = addslashes($message);
        $cust_info = addslashes($cust_info);
        $all_response_info = addslashes($all_response_info);


        //  Store Transaction history in Database
        $sql_data_array= array(array('fieldName'=>'lp_trans_num', 'value'=>'', 'type'=>'string'),
                               array('fieldName'=>'order_id', 'value'=>0, 'type'=>'integer'),
                               array('fieldName'=>'approval_code', 'value'=>'N/A', 'type'=>'string'),
                               array('fieldName'=>'transaction_response_time', 'value'=>'N/A', 'type'=>'string'),
                               array('fieldName'=>'r_error', 'value'=>'**CC Info Failed Validation during pre-processing**', 'type'=>'string'),
                               array('fieldName'=>'customer_id', 'value'=>$_SESSION['customer_id'] , 'type'=>'integer'),
                               array('fieldName'=>'avs_response', 'value'=>'', 'type'=>'string'),
                               array('fieldName'=>'transaction_result', 'value'=>'*CUSTOMER ERROR*', 'type'=>'string'),
                               array('fieldName'=>'message', 'value'=>$message . ' -- ' . $all_response_info, 'type'=>'string'),
                               array('fieldName'=>'transaction_time', 'value'=>time(), 'type'=>'string'),
                               array('fieldName'=>'transaction_reference_number', 'value'=>'', 'type'=>'string'),
                               array('fieldName'=>'fraud_score', 'value'=>0, 'type'=>'integer'),
                               array('fieldName'=>'cc_number', 'value'=>$cc_number, 'type'=>'string'),
                               array('fieldName'=>'cust_info', 'value'=>$cust_info, 'type'=>'string'),
                               array('fieldName'=>'chargetotal', 'value'=>0, 'type'=>'string'),
                               array('fieldName'=>'cc_expire', 'value'=>$cc_month . '/' . $cc_year, 'type'=>'string'),
                               array('fieldName'=>'ordertype', 'value'=>'N/A', 'type'=>'string'),
                               array('fieldName'=>'date_added', 'value'=>'now()', 'type'=>'noquotestring'));
        $db->perform(TABLE_LINKPOINT_API, $sql_data_array);
      }
      zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, $payment_error_return, 'SSL', true, false));
    }

    // if no error, continue with validated data:
    $this->cc_card_type = $cc_validation->cc_type;
    $this->cc_card_number = $cc_validation->cc_number;
    $this->cc_expiry_month = $cc_validation->cc_expiry_month;
    $this->cc_expiry_year = $cc_validation->cc_expiry_year;
  }

  // Display Credit Card Information on the Checkout Confirmation Page
  function confirmation() {
    $confirmation = array('title' => $this->title . ': ' . $this->cc_card_type,
                          'fields' => array(array('title' => MODULE_PAYMENT_LINKPOINT_API_TEXT_CREDIT_CARD_OWNER,
                                                  'field' => $_POST['linkpoint_api_cc_owner']),
                                            array('title' => MODULE_PAYMENT_LINKPOINT_API_TEXT_CREDIT_CARD_NUMBER,
                                                  'field' => str_repeat('X', (strlen($this->cc_card_number) - 4)) . substr($this->cc_card_number, -4)),
                                            array('title' => MODULE_PAYMENT_LINKPOINT_API_TEXT_CREDIT_CARD_EXPIRES,
                                                  'field' => strftime('%B, %Y', mktime(0,0,0,$_POST['linkpoint_api_cc_expires_month'], 1, '20' . $_POST['linkpoint_api_cc_expires_year'])))));

    return $confirmation;
  }
  /**
   * Prepare the hidden fields comprising the parameters for the Submit button on the checkout confirmation page
   */
  function process_button() {
    // These are hidden fields on the checkout confirmation page
    $process_button_string = zen_draw_hidden_field('cc_owner', $_POST['linkpoint_api_cc_owner']) .
                             zen_draw_hidden_field('cc_expires', $this->cc_expiry_month . substr($this->cc_expiry_year, -2)) .
                             zen_draw_hidden_field('cc_expires_month', $this->cc_expiry_month) .
                             zen_draw_hidden_field('cc_expires_year', substr($this->cc_expiry_year, -2)) .
                             zen_draw_hidden_field('cc_type', $this->cc_card_type) .
                             zen_draw_hidden_field('cc_number', $this->cc_card_number) .
                             zen_draw_hidden_field('cc_cvv', $_POST['linkpoint_api_cc_cvv']);
    $process_button_string .= zen_draw_hidden_field(zen_session_name(), zen_session_id());

    return $process_button_string;
  }
  /**
   * Prepare and submit the authorization to the gateway
   */
  function before_process() {
    global $order, $db, $messageStack, $lp_avs, $lp_trans_num;
    $myorder = array();

    //if ($this->code_debug) $order->info['cc_number'] = $_POST['cc_number'];

    // Calculate the next expected order id
    $last_order_id = $db->Execute("select * from " . TABLE_ORDERS . " order by orders_id desc limit 1");
    $new_order_id = $last_order_id->fields['orders_id'];
    $new_order_id = ($new_order_id + 1);
    // add randomized suffix to order id to produce uniqueness ... since it's unwise to submit the same order-number twice to the gateway
    $new_order_id = (string)$new_order_id . '-' . zen_create_random_value(6);
    // Create a unique order id
    //$oid = zen_create_random_value(16, 'digits'); // Create a UID for the order

    // Build Info to send to Gateway
    $myorder["result"] = "LIVE";
    switch (MODULE_PAYMENT_LINKPOINT_API_TRANSACTION_MODE_RESPONSE) {
      case "TESTING: Successful": $myorder["result"] = "GOOD"; break;
      case "TESTING: Decline"   : $myorder["result"] = "DECLINE"; break;
      case "TESTING: Duplicate" : $myorder["result"] = "DUPLICATE"; break;
    }

    // "oid" - Order ID number must be unique. If not set, gateway will assign one.
    $myorder["oid"] = $new_order_id; //"";    // time(); ????
    $myorder["ip"]  = zen_get_ip_address();

    $myorder["ponumber"]    = "";
    $myorder["subtotal"]    = $order->info['subtotal'];
    $myorder["tax"]         = $order->info['tax'];
    $myorder["shipping"]    = $order->info['shipping_cost'];
    $myorder["chargetotal"] = $order->info['total'];

    // CARD INFO
    $myorder["cardnumber"]   = $_POST['cc_number'];
    $myorder["cardexpmonth"] = $_POST['cc_expires_month'];
    $myorder["cardexpyear"]  = $_POST['cc_expires_year'];
    $myorder["cvmindicator"] = "provided";
    $myorder["cvmvalue"]     = $_POST['cc_cvv'];

    // BILLING INFO
    $myorder["userid"]   = $_SESSION['customer_id'];
    $myorder["customerid"] = $_SESSION['customer_id'];
    $myorder["name"]     = htmlentities($_POST['cc_owner'], ENT_QUOTES, 'UTF-8'); //$order->billing['firstname'] . ' ' . $order->billing['lastname']);
    $myorder["company"]  = htmlentities($order->billing['company'], ENT_QUOTES, 'UTF-8');
    $myorder["address1"] = htmlentities($order->billing['street_address'], ENT_QUOTES, 'UTF-8');
    $myorder["address2"] = htmlentities($order->billing['suburb'], ENT_QUOTES, 'UTF-8');
    $myorder["city"]     = $order->billing['city'];
    $myorder["state"]    = $order->billing['state'];
    $myorder["country"]  = $order->billing['country']['iso_code_2'];
    $myorder["phone"]    = $order->customer['telephone'];
    //$myorder["fax"]      = $order->customer['fax'];
    $myorder["email"]    = $order->customer['email_address'];
    $myorder["addrnum"]  = $order->billing['street_address'];   // Required for AVS. If not provided, transactions will downgrade.
    $myorder["zip"]      = $order->billing['postcode']; // Required for AVS. If not provided, transactions will downgrade.

    // SHIPPING INFO
    $myorder["sname"]     = htmlentities($order->delivery['firstname'] . ' ' . $order->delivery['lastname'], ENT_QUOTES, 'UTF-8');
    $myorder["saddress1"] = htmlentities($order->delivery['street_address'], ENT_QUOTES, 'UTF-8');
    $myorder["saddress2"] = htmlentities($order->delivery['suburb'], ENT_QUOTES, 'UTF-8');
    $myorder["scity"]     = $order->delivery['city'];
    $myorder["sstate"]    = $order->delivery['state'];
    $myorder["szip"]      = $order->delivery['postcode'];
    $myorder["scountry"]  = $order->delivery['country']['iso_code_2'];

    // MISC
    $myorder["comments"] = "Website Order";
    // $myorder["referred"] = "";

    // itemized contents
    for ($i=0, $n=sizeof($order->products); $i<$n; $i++) {   
      $myorder["items"][$i]['id']          = $order->products[$i]['id'];
      $myorder["items"][$i]['description'] = substr(htmlentities($order->products[$i]['name'], ENT_QUOTES, 'UTF-8'), 0, 100);
      $myorder["items"][$i]['quantity']    = $order->products[$i]['qty'];
      $myorder["items"][$i]['price']       = number_format($order->products[$i]['price'], 2, '.', '');
      if (isset($order->products[$i]['attributes'])) {
        for ($j=0, $m=sizeof($order->products[$i]['attributes']); $j<$m; $j++) {
          $myorder["items"][$i]['options' . $j]['name'] = $order->products[$i]['attributes'][$j]['option'];
          $myorder["items"][$i]['options' . $j]['value'] = $order->products[$i]['attributes'][$j]['value'];
        }
      }
    }

    $myorder["ordertype"]  = (MODULE_PAYMENT_LINKPOINT_API_AUTHORIZATION_MODE == 'Authorize Only' ? 'PREAUTH': 'SALE');
    $this->payment_status = $myorder["ordertype"];

    // send request to gateway
    $result = $this->_sendRequest($myorder);

    // alert to customer if communication failure
    if (trim($result) == '<r_approved>FAILURE</r_approved><r_error>Could not connect.</r_error>' || !is_array($result)) {
      $messageStack->add_session('checkout_payment', MODULE_PAYMENT_LINKPOINT_API_TEXT_FAILURE_MESSAGE, 'error');
      zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL', true, false));
    }

// PARSE Results
    $all_response_info = '';
    foreach($result as $key=>$value) {
      $all_response_info .= ' ' .$key . '='.$value;
    }
    if ($this->code_debug) $messageStack->add_session('header', $all_response_info, 'caution');