adyenRedirectVerificationSHA256.ds

/**
* Generate the parameters needed for the redirect to the Adyen Hosted Payment Page.
* A signature is calculated based on the configured HMAC code
*
* @input Order : dw.order.Order
* @input OrderNo : String The order no
* @input CurrentSession : dw.system.Session
* @input CurrentUser : dw.customer.Customer
* @input PaymentInstrument : dw.order.PaymentInstrument
* @input brandCode : String
* @input issuerId : String
* @input dob : String
* @input gender : String
* @input houseNumber : String
* @input houseExtension : String
* @input personalNumber : String
*
* @output merchantSig : String;
* @output Amount100 : String;
* @output shopperEmail : String;
* @output shopperReference : String;
* @output paramsMap : dw.util.SortedMap;
* @output sessionValidity : String;
*
*/
importPackage( dw.crypto );
importPackage( dw.system );
importPackage( dw.order );
importPackage( dw.util );
importPackage( dw.value);
importPackage( dw.net );
importPackage( dw.web );

//script include
var AdyenHelper = require ("int_adyen/cartridge/scripts/util/AdyenHelper");

function execute( args : PipelineDictionary ) : Number
{
	if (verify(args) === PIPELET_ERROR) {
		return PIPELET_ERROR;
	}
	return PIPELET_NEXT;
}

function verify (args) {
	//configuration
	var VERSION : String= "8";

	var Mode : String = Site.getCurrent().getCustomPreferenceValue("Adyen_Mode");
	var skinCode : String = Site.getCurrent().getCustomPreferenceValue("Adyen_skinCode");
	var merchantAccount : String = Site.getCurrent().getCustomPreferenceValue("Adyen_merchantCode");
	var HMACkey : String = Site.getCurrent().getCustomPreferenceValue("Adyen_HMACkey"); 
	var recurringType : EnumValue = Site.getCurrent().getCustomPreferenceValue("Adyen_recurringType"); 
	
	if(merchantAccount == null){
		Logger.getLogger("Adyen").fatal("MERCHANTACCOUNT not set.");
		return PIPELET_ERROR;
	}
	if(skinCode == null){
		Logger.getLogger("Adyen").fatal("skinCode not set.");
		return PIPELET_ERROR;
	}
	if(HMACkey == null){
		Logger.getLogger("Adyen").fatal("HMACkey not set.");
		return PIPELET_ERROR;
	}

	var paymentInstrument = args.PaymentInstrument;

	if(paymentInstrument == null){
		Logger.getLogger("Adyen").fatal("paymentInstrument is null.");
	}

	Logger.getLogger("Adyen").debug("PM  : " +paymentInstrument.paymentMethod);
	Logger.getLogger("Adyen").debug("merchantAccount : " + merchantAccount);
	Logger.getLogger("Adyen").debug("skinCode : " + skinCode);
	Logger.getLogger("Adyen").debug("HMACkey : " + HMACkey);
	
	var orderNo = args.OrderNo;

	if(orderNo == null){
		Logger.getLogger("Adyen").fatal("No orderNo received.");
	}

	var order = args.Order;

	if(order == null){
		Logger.getLogger("Adyen").fatal("No existing order {0} received.",orderNo);
	}

	var currentUser = args.CurrentUser;

	if(currentUser == null){
		Logger.getLogger("Adyen").fatal("currentUser is null.",orderNo);
	}

	if (paymentInstrument.paymentMethod != "Adyen"){
		return PIPELET_ERROR;
	}

	var myAmount:number = AdyenHelper.getCurrencyValueForApi(paymentInstrument.paymentTransaction.amount);
	Logger.getLogger("Adyen").debug("Payment amount : " + myAmount + " - PIAmount : " + paymentInstrument.paymentTransaction.amount + "\n");

	args.Amount100 = myAmount.toFixed(0);

	var currencyCode:String	 		= order.currencyCode;
	var merchantReference:String 	= orderNo;
	args.shopperEmail				= order.customerEmail;
	args.shopperReference			= currentUser.ID;

	var sessionValidity : String	 	= new Date();
	sessionValidity.setHours(sessionValidity.getHours() + 1);
	args.sessionValidity = sessionValidity.toISOString();

    var shipBeforeDate : String = new Date();
    shipBeforeDate.setDate(shipBeforeDate.getDate() + 5);
    args.shipBeforeDate = shipBeforeDate.toISOString();

	if (recurringType.value  == ""  || recurringType.value == "null" || recurringType.value == null) {
		recurringType = "";
	}	
	else recurringType = recurringType.value; //recurringType.value has type string 
		
	var adyenRequest : SortedMap = new SortedMap();
	adyenRequest.put("paymentAmount", args.Amount100 );
	adyenRequest.put("currencyCode", currencyCode );
	adyenRequest.put("sessionValidity", args.sessionValidity );
	adyenRequest.put("shipBeforeDate", args.shipBeforeDate );
	adyenRequest.put("merchantReference", merchantReference );
	adyenRequest.put("skinCode", skinCode );
	adyenRequest.put("merchantAccount", merchantAccount );
	adyenRequest.put("shopperEmail", order.customerEmail );
	adyenRequest.put("shopperReference", currentUser.ID );
	adyenRequest.put("recurringContract", recurringType );
	adyenRequest.put("resURL", URLUtils.https('Adyen-ShowConfirmation'));
	adyenRequest.put("countryCode", order.getBillingAddress().countryCode.value.toString().toUpperCase() );
	// Optional Fields
	var locale = request.locale;
	if(!empty(locale) && locale != "default") {
    		adyenRequest.put("shopperLocale", locale);
    }

	if(Site.getCurrent().getCustomPreferenceValue("Adyen_directoryLookup")){
		if( !empty(args.brandCode)){
			adyenRequest.put("brandCode", args.brandCode );
			if (args.brandCode == "ratepay" && !empty(args.ratePayFingerprint)){
				adyenRequest.put("dfValue", args.ratePayFingerprint);
			}else if (!empty(args.adyenFingerprint)){
				adyenRequest.put("dfValue", args.adyenFingerprint);
			}
			if (args.brandCode == "klarna"){
				adyenRequest.put("klarna.acceptPrivacyPolicy", "true");
			}
		}
		if( !empty(args.issuerId)){
			adyenRequest.put("issuerId", args.issuerId );
		}
	}

	//Open Invoice specific section
	//requires Gender and Date Of Birth (DOB) from Open Invoice form on the Billing Page and Phone Number from Billing Form
	if(!empty(args.brandCode) && Site.getCurrent().getCustomPreferenceValue("Adyen_Open_Invoice_Whitelist").indexOf(args.brandCode) > -1) {
		
		var billingAddr = order.getBillingAddress();	
		adyenRequest.put("shopper.firstName", order.getBillingAddress().getFirstName() );
		adyenRequest.put("shopper.lastName", order.getBillingAddress().getLastName() );
		adyenRequest.put("shopper.telephoneNumber", order.getDefaultShipment().getShippingAddress().getPhone() );
		adyenRequest.put("shopperType", '1' );
		adyenRequest.put("shopper.gender", (!empty(args.gender)) ? args.gender : 'UNKNOWN');

		if( !empty(args.dob)) {
			var dob = args.dob.split('-');
			adyenRequest.put("shopper.dateOfBirthDayOfMonth", dob[0] );
			adyenRequest.put("shopper.dateOfBirthMonth", dob[1] );
			adyenRequest.put("shopper.dateOfBirthYear", dob[2] );
		}

		if( !empty(args.personalNumber)) {
			adyenRequest.put("shopper.socialSecurityNumber", args.personalNumber );
		}

		//open invoice line items
		var line = 0;


		// Add all product and shipping line items to request
		for each ( var lineItem in order.getAllLineItems() ) {
			if( (lineItem instanceof dw.order.ProductLineItem && !lineItem.bonusProductLineItem) 
			|| lineItem instanceof dw.order.ShippingLineItem 
			|| (lineItem instanceof dw.order.PriceAdjustment && lineItem.promotion.promotionClass==dw.campaign.Promotion.PROMOTION_CLASS_ORDER)
			) {
				line = line + 1;
			
				var description = getDescription(lineItem),
					id = getId(lineItem),
					quantity = getQuantity(lineItem),
					currencyCode = getCurrency(lineItem),
					itemAmount:number = AdyenHelper.getCurrencyValueForApi(getItemAmount(lineItem))/quantity,
					vatAmount:number = AdyenHelper.getCurrencyValueForApi(getVatAmount(lineItem)) / quantity,
					vatPercentage = getVatPercentage(lineItem);
				adyenRequest.put("openinvoicedata.line" + line + '.currencyCode', currencyCode );
				adyenRequest.put("openinvoicedata.line" + line + '.description', description );
				adyenRequest.put("openinvoicedata.line" + line + '.itemAmount',  itemAmount.toFixed());
				adyenRequest.put("openinvoicedata.line" + line + '.itemVatAmount', vatAmount.toFixed());					
				adyenRequest.put("openinvoicedata.line" + line + '.itemVatPercentage', (new Number(vatPercentage) * 100).toFixed() );
				adyenRequest.put("openinvoicedata.line" + line + '.numberOfItems', quantity );
				adyenRequest.put("openinvoicedata.line" + line + '.vatCategory', 'None' );
				adyenRequest.put("openinvoicedata.line" + line + '.itemId', id);
			} 
			else {
				// Do nothing for other line items
			}
			
		}
		adyenRequest.put("openinvoicedata.numberOfLines", line.toFixed() );
	}

	//Billing Address
	var billingAddr = order.getBillingAddress();

	adyenRequest.put("billingAddress.city", billingAddr.city );
	adyenRequest.put("billingAddress.country", billingAddr.countryCode.value.toString().toUpperCase() );
	adyenRequest.put("billingAddress.houseNumberOrName", (!empty(args.houseNumber)) ? args.houseNumber : 'NA' );
	adyenRequest.put("billingAddress.postalCode", billingAddr.postalCode );
	adyenRequest.put("billingAddress.stateOrProvince", (!empty(billingAddr.stateCode) ? billingAddr.stateCode : 'NA')   );
	adyenRequest.put("billingAddress.street", billingAddr.address1 );
	adyenRequest.put("billingAddressType", '1' );

	//Shipping / Delivery Address
	var shipments = order.getShipments();

	for each ( var s : Shipment in shipments) {
		var shippingAddr : OrderAddress = s.getShippingAddress();

		adyenRequest.put("deliveryAddress.city", shippingAddr.city );
		adyenRequest.put("deliveryAddress.country", shippingAddr.countryCode.value.toString().toUpperCase() );

		adyenRequest.put("deliveryAddress.houseNumberOrName", (!empty(args.houseNumber)) ? args.houseNumber : 'NA' );
		adyenRequest.put("deliveryAddress.postalCode", shippingAddr.postalCode );
		adyenRequest.put("deliveryAddress.stateOrProvince",(!empty( shippingAddr.stateCode) ? shippingAddr.stateCode : 'NA') );
		adyenRequest.put("deliveryAddress.street", shippingAddr.address1 );
		adyenRequest.put("deliveryAddressType", '1' );

		break;
	}

	var keys : String = "";
	var values : String = "";
	for(var key in adyenRequest) {
		keys = keys.concat(key + ":");
		var value = adyenRequest[key];

		// escape chars
		value = value.toString().replace(/\\/g, "\\\\").replace(/\:/g, "\\:");
		values = values.concat(value + ":");
	}

	values = values.substring(0, values.length - 1);
	var requestString : String = keys.concat(values);

	//error in doc https://documentation.demandware.com/display/DOCAPI2111/dw.crypto.Mac
	var keyBytes : Bytes = Encoding.fromHex(HMACkey);
	var c : Mac = Mac(Mac.HMAC_SHA_256);
	var merchantSig : String = Encoding.toBase64(c.digest(requestString, keyBytes));

	Logger.getLogger("Adyen").debug("merchantSig : " + merchantSig + "\n");

	adyenRequest.put("merchantSig", merchantSig );

	args.paramsMap = adyenRequest;

 	//MAKE SURE TO PROTECT THIS INFO (or don't log it)
 	var msg:String;
    msg = "DW2AdyenRedir v " + VERSION + " - Payment info\n================================================================";
    msg += "\nMode : " + Mode;
    msg += "\nRecurring : " + recurringType;
    msg += "\nSessionID : " + args.CurrentSession.sessionID;
    msg += "\nmRef : " + orderNo ;
    msg += "\nShopper email : " + order.customerEmail + " , ID : " + currentUser.ID;
	msg += "\nAmount : " + args.Amount100 ;//+ " , " + args.Amount.currencyCode;
	msg += "\nPaydata : " + requestString ;
	msg += "\nSignature : " + merchantSig ;

	//Log those information just when custom logs debug mode is enabled
	Logger.getLogger("Adyen").debug(orderNo+ " - " +msg);

   return args;
}

function getDescription(lineItem) {
	if (lineItem instanceof dw.order.ShippingLineItem) {
		return lineItem.getID();
	}
	else if (lineItem instanceof dw.order.ProductLineItem){
		return lineItem.product.name;
	}
	else if (lineItem instanceof dw.order.PriceAdjustment){
		return "Discount";
	}
	
	return null;			
}

function getId(lineItem){
	if (lineItem instanceof dw.order.ShippingLineItem || lineItem instanceof dw.order.PriceAdjustment) {
		return lineItem.UUID;
	}
	else if (lineItem instanceof dw.order.ProductLineItem) {
		return lineItem.product.ID; 
	}
	
	return null;
}

function getQuantity(lineItem) {
	if (lineItem instanceof dw.order.ShippingLineItem) {
		return "1";
	}
	else if (lineItem instanceof dw.order.ProductLineItem) {
		return lineItem.quantityValue.toFixed();
	}
	else if (lineItem instanceof dw.order.PriceAdjustment) {
		return lineItem.quantity.toFixed();
	}
	
	return null;
}

function getVatPercentage(lineItem) {
	var vatPercentage = 0;
    if ( getVatAmount(lineItem) != 0 ) {
        vatPercentage = lineItem.getTaxRate();
    }
	return vatPercentage;
}

function getVatAmount(lineItem) {
	if(lineItem instanceof dw.order.ProductLineItem || lineItem instanceof dw.order.ShippingLineItem) {
		return lineItem.getAdjustedTax();
	} 
	else if (lineItem instanceof dw.order.PriceAdjustment) {
		return lineItem.tax;
	}
	return null;
}

function getCurrency(lineItem) {
	if(lineItem instanceof dw.order.ProductLineItem || lineItem instanceof dw.order.ShippingLineItem) {
		return lineItem.adjustedPrice.currencyCode;
	} 
	else if (lineItem instanceof dw.order.PriceAdjustment) {
		return lineItem.basePrice.currencyCode;
	}
	return null;

}

function getItemAmount(lineItem) {
	if(lineItem instanceof dw.order.ProductLineItem || lineItem instanceof dw.order.ShippingLineItem) {
		return lineItem.adjustedPrice;
	} 
	else if (lineItem instanceof dw.order.PriceAdjustment) {
		return lineItem.basePrice;
	}
	return null;
	
}

module.exports = {
	'execute': execute,
	'verify': verify
}