/**
* This public function makes a transaction status request
*
* @param string $transactionId The transaction ID to query. (as returned from the TX request)
* @return An instance of AcquirerStatusResponse or FALSE on failure.
*/
function RequestTransactionStatus( $transactionId )
{
$this->clearError();
$configCheck = $this->CheckConfig($this->config);
if ($configCheck != "OK")
{
$errorResponse = new ErrorResponse();
$errorResponse->setErrorCode("001");
$errorResponse->setErrorMessage("Config error: ".$configCheck);
$errorResponse->setConsumerMessage("");
return $errorResponse;
}
//check TransactionId length
$transactionIdOK = $this->LengthCheck("TransactionID", $transactionId, "16");
if ($transactionIdOK != "ok")
{
return $this->getError();
}
if ( ! $this->verifyNotNull( $transactionId, "transactionId" ) )
{
$errorResponse = $this->getError();
return $errorResponse;
}
// Build the status request XML.
$xmlMsg = $this->getXMLHeader(
"AcquirerStatusReq",
null,
null,
$transactionId,
null );
if ( ! $xmlMsg ) {
return false;
}
// Add transaction information.
$xmlMsg .= "<Transaction>\n<transactionID>" . $transactionId . "</transactionID></Transaction>\n";
$xmlMsg .= "</AcquirerStatusReq>\n";
// Post the request to the server.
$response = $this->PostXMLData( $xmlMsg );
if ($this->parseFromXml( "errorCode", $response ) != "")
{
$errorResponse = new ErrorResponse();
$errorResponse->setErrorCode($this->parseFromXml( "errorCode", $response ));
$errorResponse->setErrorMessage($this->parseFromXml( "errorMessage", $response ));
$errorResponse->setConsumerMessage($this->parseFromXml( "consumerMessage", $response ));
return $errorResponse;
}
if ( ($this->parseFromXml( "acquirerID", $response ) == "") || (!$response ))
{
$errorResponse = new ErrorResponse();
$errorResponse->setErrorCode("ING1001");
$errorResponse->setErrorMessage("Status lookup mislukt (aquirer side)");
$errorResponse->setConsumerMessage("");
return $errorResponse;
}
// Build the status response object and pass the data into it.
$res = new AcquirerStatusResponse();
$creationTime = $this->parseFromXml( "createDateTimeStamp", $response );
$res->setAcquirerID( $this->parseFromXml( "acquirerID", $response ) );
$res->setConsumerName( $this->parseFromXml( "consumerName", $response ) );
$res->setConsumerAccountNumber( $this->parseFromXml( "consumerAccountNumber", $response ) );
$res->setConsumerCity( $this->parseFromXml( "consumerCity", $response ) );
$res->setTransactionID( $this->parseFromXml( "transactionID", $response ) );
// The initial status is INVALID, so that future modifications to
// this or remote code will yield alarming conditions.
$res->setStatus(IDEAL_TX_STATUS_INVALID );
$status = $this->parseFromXml( "status", $response );
// Determine status identifier (case-insensitive).
if ( strcasecmp( $status, "success" ) == 0 ) {
$res->setStatus( IDEAL_TX_STATUS_SUCCESS );
} else if ( strcasecmp( $status, "Cancelled" ) == 0 ) {
$res->setStatus( IDEAL_TX_STATUS_CANCELLED );
} else if ( strcasecmp( $status, "Expired" ) == 0 ) {
$res->setStatus( IDEAL_TX_STATUS_EXPIRED );
} else if ( strcasecmp( $status, "Failure" ) == 0 ) {
$res->setStatus( IDEAL_TX_STATUS_FAILURE );
} else if ( strcasecmp( $status, "Open" ) == 0 ) {
$res->setStatus( IDEAL_TX_STATUS_OPEN );
}
// The verification of the response starts here.
// The message as per the reference guide instructions.
$message = $creationTime . $res->getTransactionID() . $status . $res->getConsumerAccountNumber();
$message = $this->strip( $message );
// The signature value in the response contains the signed hash
// (signed by the signing key on the server)
$signature64 = $this->ParseFromXml( "signatureValue", $response );
// The signed hash is base64 encoded and inserted into the XML as such
$sig = base64_decode( $signature64 );
// The fingerprint is used as the identifier of the public key certificate.
// It is sent as part of the response XML.
$fingerprint = $this->ParseFromXml( "fingerprint", $response );
// The merchant should have the public certificate stored locally.
$certfile = $this->getCertificateFileName( $fingerprint );
if ( ! $certfile )
{
return false;
}
// Verify the message signature
$valid = $this->verifyMessage( $certfile, $message, $sig );
if ( ! $valid )
{
return false;
}
if (!$res)
{
return $response;
}
return $res;
}
