// +------------------------------------------------------------------+
// | Function: protx3dauth                                            |
// +------------------------------------------------------------------+

function protx3dauth () {

// +--
// | This function processes handles Protx Direct 3D Auth. 
// | functions and initiates proper order processing functions.
// +--

$orderid = $this->globals('khxc_cgi.orderid');

if (empty($orderid)) {

	 if ($this->debug) {$this->debugger("protx3dauth: Problem encountered processing internal gateway request.  Returning to checkout.");}

	 $this->print_message($this->app,'genericolperr');

	 return $this->exec_namespace(array('app'       => $this->app,
										'namespace' => 'checkout',
										'type'      => '*',
										'params'    => null));

} // End of if statement.

// +--
// | Now look up the order and handle errors.
// +--

$order = $this->exec_namespace(array('app'       => $this->app,
									 'namespace' => 'orderlookup',
									 'type'      => '*',
									 'params'    => $orderid));

if ($this->IsError($order)) {

	 if ($this->debug) {$this->debugger("protx3dauth: Error returned while looking up order.  Returning to checkout.");}

	 $this->print_message($this->app,'genericolperr');

	 return $this->exec_namespace(array('app'       => $this->app,
										'namespace' => 'checkout',
										'type'      => '*',
										'params'    => null));

} // End of if statement.

// +--
// | Ensure the Protx Direct gateway is active.
// +--

$table  = $this->app . '_gateway';

$where  = 'id=' . $this->KHXC_DB->quote('protxdirect') . ' AND ';
$where .= 'active=' . $this->KHXC_DB->quote(1); 

$count = $this->KHXC_DB->sql_count(array('table' => $table,
										 'where' => $where));

if (($this->IsError($count)) || (empty($count))) {

	 if ($this->debug) {$this->debugger("protx3dauth: Requested processing module is not activated.  Returning to checkout.");}

	 $this->print_message($this->app,'genericolperr');

	 return $this->exec_namespace(array('app'       => $this->app,
										'namespace' => 'checkout',
										'type'      => '*',
										'params'    => null));

} // End of if statement.


// +--
// | Handle off the order information to the gateway object 
// | for processing.
// +--
$reqok = 1;
$protxdata = '';

$cgi   = array('gwurl'              => 1,
			   'MD'                 => 1,
			   'PaRes'              => 1,
			   'cardtype'           => 0,
			   'expirydate'         => 0);

foreach ($cgi as $name => $num) {

	 $cgivalue = $this->globals('khxc_cgi.' . $name);

	 if (isset($cgivalue)) {

		  $cgi[$name] = $cgivalue;
		  if ($name != 'gwurl') {
			  // The Protx Data does not have the gateway url
			  if (($name == 'ExpiryDate') || ($name == 'StartDate')) {
				  // Remove / in date
				  $cgivalue = preg_replace('/\//','',$cgivalue);
			  }
		   }

		  if ((empty($cgivalue)) && (!($cgivalue === 0)) && (!(empty($num)))) {$reqok = 0;if ($this->debug) {$this->debugger("protx3dauth: Missing Required field '{$name}' '{$num}'.");}}

	 } else {

		  $cgi[$name] = '';

		  if (!(empty($num))) {$reqok = 0;if ($this->debug) {$this->debugger("protx3dauth: Missing Required field '{$name}' '{$num}'.");}}

	 } // End of if statement.

} // End of foreach statement.

// +--
// | Handle required fields.
// +--
if (empty($reqok)) {

	 $this->print_message($this->app,'reqnotcompgen');     

	 if ($this->debug) {$this->debugger("protx3dauth: Required fields not completed.");}

	 return $this->exec_namespace(array('app'       => $this->app,
										'namespace' => 'checkout',
										'type'      => '*',
										'params'    => null));

} // End of if statement.
			  
// Set-up Protx Data 
$protxdata = 'MD=' . $cgi['MD'] . '&PARes=' . $cgi['PaRes'];

/// Figure out which URL to sed this 3D Callback Request To.
if ((preg_match('/VSPSimulator/',$cgi['gwurl']))) {

   // Simulator
   $callbackurl = 'https://ukvpstest.protx.com/VSPSimulator/direct3dcallback.vsp';
} elseif ((preg_match('/ukvpstest.protx.com/',$cgi['gwurl']))) {

   // Test
   $callbackurl = 'https://ukvpstest.protx.com/vspgateway/service/direct3dcallback.vsp';
   
} else {

   // Live
   $callbackurl = 'https://ukvps.protx.com/vspgateway/service/direct3dcallback.vsp';

}
// +--
// | Build the request.
// +--


$result = $this->KHXC_Remote->exec(array('url'     => $callbackurl,
										 'type'    => 'POST',
										 'mode'    => 'HTTPS',
										 'data'    => $protxdata,
										 'referer' => $callbackurl));

if (($this->IsError($result)) || (empty($result))) {

	 $this->print_message($this->app,'genericolperr');     

	 if ($this->debug) {$this->debugger("protx3dauth: Trouble communicating with processor.");}

	 return $this->exec_namespace(array('app'       => $this->app,
										'namespace' => 'checkout',
										'type'      => '*',
										'params'    => null));

} // End of if statement.
// Remove 3DSecureStatus
if ($this->debug) {$this->debugger("protx3dauth: Result '{$result}'.");}
$result = preg_replace('/3DSecureStatus=/','',$result);
if ($this->debug) {$this->debugger("protx3dauth: Result1 '{$result}'.");}

$result_code = 'FAIL';
if (preg_match('/Status=OK/',$result)) {
   $result_code = 'OK';
}
if (empty($result_code)) {$result_code = 'FAIL';}

$validrc = $this->make_list($order['gateway']['validrc']);
$validrc = array_flip($validrc);

if (!(array_key_exists($result_code,$validrc))) {

	 $this->print_message($this->app,'olpdecline');     

	 if ($this->debug) {$this->debugger("protx3dauth: Processor declined transaction with code: {$result_code}.");}

	 return $this->exec_namespace(array('app'       => $this->app,
										'namespace' => 'checkout',
										'type'      => '*',
										'params'    => null));

} // End of if statemenet.

// +--
// | Update the Protx Direct.
// +--
$resultarray = preg_split("/[\s]+/", $result);

if ($this->debug) {$this->debugger("validate: Result Array." . print_r($resultarray,1));}
foreach ($resultarray as $id => $data) {
	if (preg_match('/VPSTxId=/',$data)) {
		$VPSTxId = preg_replace('/VPSTxId=/','',$data);
		$order['order']['vpstxid'] = $VPSTxId;
   	    if ($this->debug) {$this->debugger("validate:VPSTxId {$VPSTxId}.");}
	} // End of if statemenet.
	if (preg_match('/SecurityKey=/',$data)) {
		$SecurityKey = preg_replace('/SecurityKey=/','',$data);
		$order['order']['securitykey'] = $SecurityKey;
   	    if ($this->debug) {$this->debugger("validate:SecurityKey {$SecurityKey}.");}
	} // End of if statemenet.
	if (preg_match('/TxAuthNo=/',$data)) {
		$TxAuthNo = preg_replace('/TxAuthNo=/','',$data);
		$order['order']['txauthno'] = $TxAuthNo;
   	    if ($this->debug) {$this->debugger("validate:TxAuthNo {$TxAuthNo}.");}
	} // End of if statemenet.

}// End of foreach statemenet.
$order['order']['cardtype']   = $cgi['cardtype'];
$order['order']['expirydate'] = $cgi['expirydate'];


// +--
// | Return true if we were able to process this order.
// +--

$result = true;


if ($this->debug) {$this->debugger("protx3dauth:  Processed order.");}

// +--
// | If we received an empty result we need to go back to the
// | checkout page.  Messages would have already been printed.
// +--

if (empty($result)) {

	 // +--
	 // | Remove the processor selection and any tokens from the
	 // | cosess var.
	 // +--

	 $cosess  = $this->globals('khxc_session.' . $this->app . '.cosess');

	 if (empty($cosess))        {$cosess = array();}
	 if (!(is_array($cosess)))  {$cosess = array();}

	 $cosess['gateway_select'] = '';
	 $cosess['gateway_token']  = '';

	 $this->KHXC_Session->sessvalues($this->app . '.cosess',$cosess);

	 // +--
	 // | Log to the debugger and return to checkout.
	 // +--

	 if ($this->debug) {$this->debugger("protx3dauth: Received bad response.  Returning to checkout.");}

	 return $this->exec_namespace(array('app'       => $this->app,
										'namespace' => 'checkout',
										'type'      => '*',
										'params'    => null));

} // End of if statement.

// +--
// | At this point we've got a valid response code and a copy of the order.
// | Print a confirmation message and direct to the order processing namespace.
// +--

$this->print_message($this->app,'olpaccept');

// +--
// | Return an instance of the order processing namespace.
// +--

return $this->exec_namespace(array('app'       => $this->app,
								   'namespace' => 'orderprocess',
								   'type'      => '*',
								   'params'    => $order));

} // End of function.