File Source for AuthNet.class.php

<?php
/**
* This class encapsulates transaction processing with Authorize.Net.
* @author Richard Sharp
* @copyright 2005-2010
* @version 3.5
* @package Payment
*/
/* Test Credit Card Numbers
370000000000002 - American Express
6011000000000012 - Discover
5424000000000015 - MasterCard
4007000000027 - Visa
4222222222222 - Forced Failure
*/
class AuthNetGateway
{
//////////////////// public variables ////////////////////////////
/**
* Required. Sets the billing street address.
* @var string
*/
var $Address="";
/**
* Required. Sets the Amount to Charge
* @var decimal
*/
var $Amount=0;
/**
* Gets the returned apprival code.
* @var string
*/
var $ApprovalCode="";
/**
* Required. Sets the Authorize.Net API Login ID
* @var string
*/
var $AuthNetLoginID="";
/**
* Required. Sets the Authorize.Net API Transaction Key
* @var string
*/
var $AuthNetTransactionKey="";
/**
* Required. Sets the Credit Card Number. All non-numeric characters will be removed.
* @var string
*/
var $CardNumber="";
/**
* Required. Sets the billing city.
* @var string
*/
var $City="";
/**
* Optional. Sets the billing country.
* @var string
*/
var $Country="US";
/**
* Optional. Sets any custom information to be sent to Authorize.Net.
* @var string
*/
var $Custom="";
/**
* Options. Sets the Customer ID.
* @var string
*/
var $CustomerID="";
/**
* Required. Sets the transaction description.
* @var string
*/
var $Description="";
/**
* Optional. Sets the time window (in seconds) to prevent duplicate transactions. Default is 120 seconds.
* @var string
*/
var $DuplicateWindow=120;
/**
* Optional. Sets the billing email address.
* @var string
*/
var $Email="";
/**
* Required. Sets the credit card expiration date. Format: MMYY.
* @var string
*/
var $ExpirationDate="";
/**
* Required. Sets the billing first name.
* @var string
*/
var $FirstName="";
/**
* Optional. Sets the invoice number.
* @var string
*/
var $InvoiceNumber="";
/**
* Gets the error returned, if any.
* @var string
*/
var $LastError="";
/**
* Required. Sets the billing last name.
* @var string
*/
var $LastName="";
/**
* Gets the raw text of the last request sent to Authorize.Net
* @var string
*/
var $LastRequest="";
/**
* Gets the raw text of the last response from Authorize.Net
* @var string
*/
var $LastResponse="";
/**
* Optional. The billing phone number.
* @var string
*/
var $Phone="";
/**
* Gets the reason for the last response.
* @var string
*/
var $ResponseReason="";
/**
* Optional. Sets an email address to receive a copy of the confirmation.
* @var string
*/
var $MerchantReceiptEmail="";
/**
* Required. Sets the credit card security code.
* @var string
*/
var $SecurityCode="";
/**
* Required. Sets the billing state.
* @var string
*/
var $State="";
/**
* Optional. If true, the transaction will be processed in test mode.
* @var string
*/
var $Test=false;
/**
* Gets the returned Transaction ID.
* @var string
*/
var $TransactionID="";
/**
* Required. Gets the transaction Type. Possible values are: AUTH_CAPTURE, AUTH_ONLY, CAPTURE_ONLY, CREDIT, VOID, PRIOR_AUTH_CAPTURE
* @var string
*/
var $TransactionType="AUTH_CAPTURE";
/**
* Sets the billing zip code.
* @var string
*/
var $Zip="";
///////////////////// private_variables ///////////////////////////////////
/**
* The URL to use in LIVE mdoe.
* @access private
* @var string
*/
var $_live_url= "https://secure.authorize.net/gateway/transact.dll";
/**
* The URL to use in TEST mdoe.
* @access private
* @var string
*/
var $_test_url= "https://test.authorize.net/gateway/transact.dll";
//////////////////////// public functions ////////////////////////////////
/**
* Constructor for the class.
* @return void
*/
function AuthNetGateway() {}
/**
* Processes the transaction
* @return bool Returns true on success, false on error.
*/
function ProcessTransaction()
{
$ok=false;
//validate the expiration date
$this->ExpirationDate=preg_replace("/[^0-9]/","",$this->ExpirationDate);
if(strlen($this->ExpirationDate)<4) $this->ExpirationDate="0".$this->ExpirationDate;
if(strlen($this->ExpirationDate)!=4) $error[]="Invalid date. Required format: MMYY";
if(!$error)
{
if($this->Test) $url=$this->_test_url;
else $url=$this->_live_url;
$authnet_values = array
(
"x_login" => $this->AuthNetLoginID,
"x_version" => "3.1",
"x_delim_char" => "|",
"x_delim_data" => "TRUE",
"x_url" => "FALSE",
"x_type" => $this->TransactionType,
"x_method" => "CC",
"x_tran_key" => $this->AuthNetTransactionKey,
"x_relay_response" => "FALSE",
"x_card_num" => ereg_replace("[^0-9]","",$this->CardNumber),
"x_exp_date" => $this->ExpirationDate,
"x_description" => $this->Description,
"x_duplicate_window" => $this->DuplicateWindow,
"x_amount" => $this->Amount,
"x_invoice_num" => $this->InvoiceNumber,
"x_first_name" => $this->FirstName,
"x_last_name" => $this->LastName,
"x_address" => $this->Address,
"x_city" => $this->City,
"x_state" => $this->State,
"x_country" => $this->Country,
"x_zip" => $this->Zip,
"x_phone" => $this->Phone,
"x_email" => $this->Email,
"x_email_customer" => "FALSE",
"SpecialCode" => $this->Custom,
"x_cust_id" => $this->CustomerID,
"x_merchant_email" => $this->MerchantReceiptEmail,
"x_card_code" => $this->SecurityCode,
"x_trans_id" => $this->TransactionID
);
if($this->Test) $authnet_values["x_test_request"]="TRUE";
else $authnet_values["x_test_request"]="FALSE";
foreach($authnet_values as $key => $value) $params[]=$key."=".urlencode($value);
//connect and send the request
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, 0); // set to 0 to eliminate header info from response
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // Returns response data instead of TRUE(1)
curl_setopt($ch, CURLOPT_POSTFIELDS, implode("&",$params )); // use HTTP POST to send form data
$resp = curl_exec($ch); //execute post and get results
curl_close ($ch);
$this->LastRequest=implode("&",$params);
$this->LastResponse = $resp;
//parse the response
$response_parts=explode("|",$resp);
if($response_parts[0]==1) //approved
{
$this->ApprovalCode=$response_parts[4];
$this->TransactionID=$response_parts[6];
$this->ResponseReason="The transaction has been approved.";
$ok=true;
}
else //declined
{
switch($response_parts[2])
{
case 5:
$this->ResponseReason="A valid amount is required.";
break;
case 6:
$this->ResponseReason="The credit card number is invalid.";
break;
case 7:
$this->ResponseReason="The credit card expiration date is invalid.";
break;
case 8:
$this->ResponseReason="The credit card has expired.";
break;
case 11:
$this->ResponseReason="A duplicate transaction has been submitted.";
break;
case 12:
$this->ResponseReason="An authorization code is required but not present.";
break;
case 13:
$this->ResponseReason="The merchant API login ID is invalid or the account is inactive.";
break;
case 15:
$this->ResponseReason="The transaction ID is invalid.";
break;
case 16:
$this->ResponseReason="The transaction was not found.";
break;
case 17:
$this->ResponseReason="The merchant does not accept this type of credit card.";
break;
case 27:
$this->ResponseReason="The transaction resulted in an AVS mismatch. The address provided does not match billing address of cardholder.";
break;
case 28:
$this->ResponseReason="The merchant does not accept this type of credit card.";
break;
case 36:
$this->ResponseReason="The authorization was approved, but settlement failed.";
break;
case 37:
$this->ResponseReason="The credit card number is invalid.";
break;
case 42:
$this->ResponseReason="There is missing or invalid information in a required field.";
break;
case 47:
$this->ResponseReason="The amount requested for settlement may not be greater than the original amount authorized.";
break;
case 48:
$this->ResponseReason="This processor does not accept partial reversals.";
break;
case 50:
$this->ResponseReason="This transaction is awaiting settlement and cannot be refunded.";
break;
case 51:
$this->ResponseReason="The sum of all credits against this transaction is greater than the original transaction amount.";
break;
case 52:
$this->ResponseReason="The transaction was authorized, but the client could not be notified; the transaction will not be settled.";
break;
case 55:
$this->ResponseReason="The sum of credits against the referenced transaction would exceed the original debit amount.";
break;
default:
$this->ResponseReason="The transaction has been declined.";
break;
}
}
}
if($error) $this->LastError=$error;
return($ok);
}
}
?>

Source for file AuthNet.class.php