// +------------------------------------------------------------------+
// | 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
   $callbackurl = 'https://ukvpstest.protx.com/VSPSimulator/VSPDirectCallback.asp';
} elseif ((preg_match('/ukvpstest.protx.com/',$cgi['gwurl']))) {
   // Test
   $callbackurl = 'https://ukvpstest.protx.com/vspgateway/service/vspdirect-register.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.