Settings file (worldnet_account.inc):
<?php # These values are used to identify and validate the account that you are using. They are mandatory. $gateway = ''; # This is the WorldNet payments gateway that you should use, assigned to the site by WorldNet. $terminalId = ''; # This is the Terminal ID assigned to the site by WorldNet. $currency = ''; # This is the 3 digit ISO currency code for the above Terminal ID. $secret = ''; # This shared secret is used when generating the hash validation strings. # It must be set exactly as it is in the WorldNet SelfCare system. $testAccount = true; # These are used only in the case where the response hash is incorrect, which should # never happen in the live environment unless someone is attempting fraud. $adminEmail = ''; $adminPhone = ''; ?>
SecureCard redirect (worldnet_securecard.php):
<?php # This is the file that contains the account settings for Gateway. require('worldnet_account.inc'); # This is a helper file for integrating to the Gateway HPP in PHP. require('worldnet_securecard_functions.inc'); $secureCardAction = ''; # "register" or "update". $secureCardMerchantRef = ''; # Unique Merchant Reference for this card. Length is limited to 48 chars. $dateTime = requestDateTime(); # Verification string $requestHash = secureCardRequestHash($secureCardMerchantRef, $dateTime, $secureCardAction); # Request URL for the gateway $requestURL = $gateway."/merchant/securecardpage"; # Write the HTML of the submission form echo "<html><body><form id='gatewaysecurecardform' action='" . $requestURL . "' method='post'>\n"; writeHiddenField("ACTION", $secureCardAction); writeHiddenField("TERMINALID", $terminalId); writeHiddenField("MERCHANTREF", $secureCardMerchantRef); writeHiddenField("DATETIME", $dateTime); writeHiddenField("HASH", $requestHash); # Write the JavaScript that will submit the form to Gateway. echo '</form>Submitting SecureCard request to Gateway...<script language="JavaScript">document.getElementById("gatewaysecurecardform").submit();</script></body></html>'; ?>
Secure Token URL (worldnet_securecard_response.php) (URL for this page is setup as “Secure Token URL” through Terminal Setup in the SelfCare ):
<?php # This is the file that contains the account settings for Gateway. require('worldnet_account.inc'); # This is a helper file for integrating to the Gateway HPP in PHP. require('worldnet_securecard_functions.inc'); if($_REQUEST["RESPONSECODE"] != "A") echo 'AN ERROR OCCURED! Your SecureCard request failed. Error message: ' . $_REQUEST["RESPONSETEXT"]; if(secureCardResponseHashIsValid($_REQUEST["RESPONSECODE"], $_REQUEST["RESPONSETEXT"], $_REQUEST["MERCHANTREF"], $_REQUEST["CARDREFERENCE"], $_REQUEST["DATETIME"], $_REQUEST["HASH"])) { switch($_REQUEST["RESPONSECODE"]) { case "A" : # SecureCard registration suceeded. You should store the following details against the user account: $secureCardMerchantRef = $_REQUEST["MERCHANTREF"]; $secureCardCardRef = $_REQUEST["CARDREFERENCE"]; $secureCardCardType = $_REQUEST["CARDTYPE"]; $secureCardMaskedCardNumber = $_REQUEST["MASKEDCARDNUMBER"]; $secureCardCardCardExpiry = $_REQUEST["CARDEXPIRY"]; echo "Success! Card Type: " . $secureCardCardType . ", Masked Card number: " . $secureCardMaskedCardNumber . ", expires (MMYY): " . $secureCardCardCardExpiry; break; default : # SecureCard registration failed. echo 'SECURECARD REGISTRATION FAILED! Error Code: ' . $_REQUEST["RESPONSECODE"] . ', Response text: ' . $_REQUEST["RESPONSETEXT"] . '.'; } } else { echo 'SECURECARD REGISTRATION FAILED: INVALID RESPONSE HASH. Please contact ' . $adminEmail . ' or call ' . $adminPhone . ' to inform them of this error.'; if(isset($_REQUEST["ORDERID"])) echo 'Please quote Gateway Terminal ID: ' . $terminalId . ', and SecureCard Merchant Reference: ' . $_REQUEST["MERCHANTREF"] . ' when mailling or calling.'; } ?>
Helper file (worldnet_securecard_functions.inc):
<?php # This simply reduces the PHP code required to build the form. function writeHiddenField($fieldName, $fieldValue) { echo "<input type='hidden' name='" . $fieldName . "' value='" . $fieldValue . "' />"; } # This generates a DATETIME value in the correct format expected in the request. function requestDateTime() { return date('d-m-Y:H:i:s:000'); } # This is used to generate the Authorisation Request Hash. function secureCardRequestHash($secureCardMerchantRef, $dateTime, $secureCardAction) { global $terminalId, $secret; return md5($terminalId . $secureCardMerchantRef . $dateTime . $secureCardAction . $secret); } # This function is used to validate that the MPI Response Hash from the server is correct. # If secureCardResponseHashIsValid(...) != $_REQUEST["HASH"] then an error should be shown and the SecureCard registration should fail. function secureCardResponseHashIsValid($responseCode, $responseText, $secureCardMerchantRef, $secureCardCardRef, $dateTime, $responseHash) { global $terminalId, $secret; return (md5($terminalId . $responseCode . $responseText . $secureCardMerchantRef . $secureCardCardRef . $dateTime . $secret)==$responseHash); } ?>