Merge pull request #18 from buckaroo-it/BP-2642-add-response-and-push…

…-validation

Bp 2642 add response and push validation

example/ValidateResponse.ts

@@ -0,0 +1,22 @@
+import {ReplyHandler} from "../src/Handlers/Reply/ReplyHandler";
+
+const buckarooClient  = require('./BuckarooClient')
+
+const JsonDATA = '{"Key":"5340604668D74435AA344E1428ED1292","Invoice":"62d68b6c8ab0c","ServiceCode":"ideal","Status":{"Code":{"Code":190,"Description":"Success"},"SubCode":{"Code":"S001","Description":"Transaction successfully processed"},"DateTime":"2022-07-19T12:46:12"},"IsTest":true,"Order":"ORDER_NO_62d68b6ca2df3","Currency":"EUR","AmountDebit":10.1,"TransactionType":"C021","Services":[{"Name":"ideal","Action":null,"Parameters":[{"Name":"consumerIssuer","Value":"ABN AMRO"},{"Name":"transactionId","Value":"0000000000000001"},{"Name":"consumerName","Value":"J. de Tèster"},{"Name":"consumerIBAN","Value":"NL44RABO0123456789"},{"Name":"consumerBIC","Value":"RABONL2U"}],"VersionAsProperty":2}],"CustomParameters":null,"AdditionalParameters":{"List":[{"Name":"initiated_by_magento","Value":"1"},{"Name":"service_action","Value":"something"}]},"MutationType":1,"RelatedTransactions":null,"IsCancelable":false,"IssuingCountry":null,"StartRecurrent":false,"Recurring":false,"CustomerName":"J. de Tèster","PayerHash":"2d26d34584a4eafeeaa97eed10cfdae22ae64cdce1649a80a55fafca8850e3e22cb32eb7c8fc95ef0c6f96669a21651d4734cc568816f9bd59c2092911e6c0da","PaymentKey":"AEC974D455FF4A4B9B4C21E437A04838","Description":null}'
+const auth_header = 'hmac N8hyQHxZ9W:swtPNR5+XSxKBYUJIWpJ8W/zDcZVuUJGn5kUR0HJEZg=:d550afab01d74207ad75f4ffe3e76beb:1686733946';
+
+const url = 'https://buckaroo.dev/push'
+
+//Validate Json Response
+let replyHandler = new ReplyHandler(buckarooClient().getCredentials(),JsonDATA,auth_header,url)
+replyHandler.validate()
+replyHandler.isValid // Returns true or false
+
+const HttpData = `ADD_service_action=1&brq_amount=10.10&brq_currency=EUR&brq_customer_name=J.+de+T%C3%A8ster&brq_invoicenumber=5fe146d9f7b198&brq_ordernumber=5fe146d9f78dd8&brq_payer_hash=2d26d34584a4eafeeaa97eed10cfdae22ae64cdce1649a80a55fafca8850e3e22cb32eb7c8fc95ef0c6f96669a21651d4734cc568816f9bd59c2092911e6c0da&brq_payment=82F023D0AE17443C9C674E8DEFE5279B&brq_payment_method=ideal&brq_SERVICE_ideal_consumerBIC=RABONL2U&brq_SERVICE_ideal_consumerIBAN=NL44RABO0123456789&brq_SERVICE_ideal_consumerIssuer=ABN+AMRO&brq_SERVICE_ideal_consumerName=J.+de+T%C3%A8ster&brq_SERVICE_ideal_transactionId=0000000000000001&brq_statuscode=190&brq_statuscode_detail=S001&brq_statusmessage=Transaction+successfully+processed&brq_test=true&brq_timestamp=2023-06-14+12%3A30%3A06&brq_transactions=85A3373B1A284B8F8E1D175CA5C0273B&brq_websitekey=N8hyQHxZ9W&brq_signature=62be159a87975a45d7b025cfbbff968c2dc8b9a1`
+
+
+//Validate Http Response
+
+replyHandler = new ReplyHandler(buckarooClient().getCredentials(),HttpData)
+replyHandler.validate()
+replyHandler.isValid // Returns true or false

example/payByBank.ts

@@ -0,0 +1,12 @@
+require('../BuckarooClient.test')
+
+import PaymentInitiation from '../src/PaymentMethods/PaymentInitiation'
+
+const payByBank = new PaymentInitiation()
+async function startPayByBankPayment() {
+    return await payByBank.pay({
+        amountDebit: 10.1,
+        issuer: 'ABNANL2A',
+        countryCode: "NL",
+    })
+}

src/Constants/HttpMethods.ts

@@ -1,5 +1,5 @@
 enum HttpMethods {
-    METHOD_GET = 'GET',
-    METHOD_POST = 'POST'
+    GET = 'GET',
+    POST = 'POST'
 }
 export default HttpMethods

src/Handlers/Reply/ReplyHandler.ts

@@ -0,0 +1,68 @@
+import crypto from "crypto";
+import HttpMethods from "../../Constants/HttpMethods";
+import {ICredentials} from "../../Utils/Types";
+import {Hmac} from "../../Request/Hmac";
+import buckarooClient from "../../BuckarooClient";
+
+export class ReplyHandler {
+    private readonly data: object
+    private readonly uri?: string
+    private readonly auth_header?: string
+    private credentials: ICredentials;
+    private _isValid: boolean = false
+
+    constructor(credentials: ICredentials, data: string,auth_header?: string, uri?: string) {
+        try {
+            this.data = JSON.parse(data)
+        } catch (e){
+            let objData = {}
+            new URLSearchParams(data).forEach((value, name)=>{
+                objData[name] = value
+            })
+            this.data = objData
+        }
+        this.credentials = credentials
+        this.uri = uri
+        this.auth_header = auth_header
+    }
+    get isValid(){
+        return this._isValid
+    }
+    validate() {
+        if(this.data["Key"] && this.auth_header && this.uri) {
+            this._isValid = this.validateJson(this.auth_header)
+            return this
+        }
+
+        if (this.data["brq_signature"] || this.data["BRQ_SIGNATURE"]){
+            let  { brq_signature , BRQ_SIGNATURE, ...data} = this.data as any
+            this._isValid = this.validateHttp(data,brq_signature || BRQ_SIGNATURE)
+            return this
+        }
+
+        throw new Error('Invalid reply data')
+    }
+    private validateJson(auth_header:string){
+        let header = auth_header.split(':')
+        let providedHash = header[1]
+
+        let nonce = header[2]
+        let time = header[3]
+        let hmac = new Hmac(HttpMethods.POST,this.uri,this.data,nonce,time)
+
+        let hash = hmac.hashData(hmac.getHashString())
+
+        return crypto.timingSafeEqual(Buffer.from(hash),Buffer.from(providedHash))
+    }
+    private validateHttp(data:object,signature:string){
+        let stringData = ''
+        for (const key in data ) {
+            stringData+= key + '=' + data[key]
+        }
+        stringData = stringData + buckarooClient().getCredentials().websiteKey
+
+        let hash = crypto.createHash('sha1').update(stringData).digest('hex')
+
+        return crypto.timingSafeEqual(Buffer.from(hash),Buffer.from(signature))
+    }
+}

src/Models/SpecificationResponse.ts → src/Models/DataRequestResponse.ts

@@ -1,29 +1,41 @@
 import { firstLowerCase, firstUpperCase } from '../Utils/Functions'
+import {Response} from "../Request/Response";
+
+export class DataRequestResponse extends Response {
+    get data(): IDataRequestResponse {
+        return <IDataRequestResponse>this._data
+    }
+    getActionRequestParameters(actionName: string): RequestParameter[] | undefined {
+        actionName = firstUpperCase(actionName)
+        let actions = this.data.Actions?.find((action) => action.Name === actionName)?.RequestParameters
+        if (actions) {
+            actions.sort((a, b) => a.Name.localeCompare(b.Name))
+        }
+        return actions
+    }
+    getServiceParameters(actionName: string) {
+        actionName = firstUpperCase(actionName)
+        let parameters = this.getActionRequestParameters(actionName)
+        let data: { [key: string]: any } = {}
+        if (parameters) {
+            parameters.forEach((param) => {
+                let current = data
+                param.Group = param.Group ? firstLowerCase(param.Group) : ''
+                if (param.Group) {
+                    current = data[param.Group] = data[param.Group] ?? {}
+                }
+                current[firstLowerCase(param.Name)] = param.Required
+            })
+            return data
+        }
+    }
+}
 
 type ListItemDescription = {
     Value: string
     Description: string
     GroupName: string
 }
-type Attributes = {
-    ListItemDescriptions: ListItemDescription[]
-    Name: string
-    DataType: number
-    List: number
-    MaxLength: number
-    Required: boolean
-    Description: string
-}
-type BasicFields = {
-    Attributes: Attributes[]
-    ListItemDescriptions: ListItemDescription[]
-    Name: string
-    DataType: number
-    MaxLength: number
-    Required: boolean
-    Description: string
-}
-
 type SupportedCurrency = {
     IsoNumber: number
     Code: string
@@ -38,7 +50,7 @@ type Action = {
     RequestParameters: RequestParameter[]
     ResponseParameters: RequestParameter[]
 }
-type RequestParameter = {
+export type RequestParameter = {
     ListItemDescriptions: ListItemDescription[]
     isRequestParameter: boolean
     Name: string
@@ -54,60 +66,10 @@ type RequestParameter = {
     InputPattern: string
     AutoCompleteType: string
 }
-interface Services {
+export interface IDataRequestResponse {
     Actions?: Action[]
     SupportedCurrencies?: SupportedCurrency[]
     Name: string
     Version: number
     Description: string
 }
-interface ISpecificationResponse {
-    BasicFields: BasicFields[]
-    Services: Services[]
-}
-export class SpecificationsResponse implements ISpecificationResponse {
-    BasicFields: BasicFields[]
-    Services: Services[]
-    constructor(data: ISpecificationResponse) {
-        this.BasicFields = data.BasicFields
-        this.Services = data.Services
-    }
-}
-export class SpecificationResponse implements Services {
-    Actions?: Action[]
-    Description: string
-    Name: string
-    SupportedCurrencies?: SupportedCurrency[]
-    Version: number
-    constructor(data: Services) {
-        this.Actions = data.Actions
-        this.Description = data.Description
-        this.Name = data.Name
-        this.SupportedCurrencies = data.SupportedCurrencies
-        this.Version = data.Version
-    }
-    getActionRequestParameters(actionName: string): RequestParameter[] | undefined {
-        actionName = firstUpperCase(actionName)
-        let actions = this.Actions?.find((action) => action.Name === actionName)?.RequestParameters
-        if (actions) {
-            actions.sort((a, b) => a.Name.localeCompare(b.Name))
-        }
-        return actions
-    }
-    getServiceParameters(actionName: string) {
-        actionName = firstUpperCase(actionName)
-        let parameters = this.getActionRequestParameters(actionName)
-        let data: { [key: string]: any } = {}
-        if (parameters) {
-            parameters.forEach((param) => {
-                let current = data
-                param.Group = param.Group ? firstLowerCase(param.Group) : ''
-                if (param.Group) {
-                    current = data[param.Group] = data[param.Group] ?? {}
-                }
-                current[firstLowerCase(param.Name)] = param.Required
-            })
-            return data
-        }
-    }
-}

src/PaymentMethods/Bancontact/index.ts

@@ -1,6 +1,6 @@
 import { PayablePaymentMethod } from '../PayablePaymentMethod'
 import { IPay, IPayComplete, IPayEncrypted, IPayOneClick } from './Models/Pay'
-import { RefundPayload } from '../../Models/ITransaction'
+import {ICapture, RefundPayload} from '../../Models/ITransaction'
 
 export default class Bancontact extends PayablePaymentMethod {
     protected _paymentName = 'bancontactmrcash'
@@ -13,7 +13,10 @@ export default class Bancontact extends PayablePaymentMethod {
         return super.refund(payload)
     }
     authenticate(payload: IPay) {
-        this.action = 'Authenticate'
+        return this.authorize(payload)
+    }
+    authorize(payload: IPay) {
+        this.action = 'Authorize'
         return this.payTransaction(payload)
     }
     payOneClick(payload: IPayOneClick) {
@@ -32,4 +35,12 @@ export default class Bancontact extends PayablePaymentMethod {
         this.action = 'PayRecurring'
         return this.transactionInvoice(payload)
     }
+    capture(payload:ICapture) {
+        this.action = 'Capture'
+        return this.transactionInvoice(payload)
+    }
+    cancelAuthorize(payload) {
+        this.action = 'CancelAuthorize'
+        return this.transactionRequest(payload)
+    }
 }

src/Request/Client.ts

@@ -2,12 +2,13 @@ import Endpoints, { RequestType } from '../Constants/Endpoints'
 import PaymentMethod from '../PaymentMethods/PaymentMethod'
 import { ITransaction } from '../Models/ITransaction'
 import { IConfig, ICredentials } from '../Utils/Types'
-import { SpecificationResponse, SpecificationsResponse } from '../Models/SpecificationResponse'
+import {DataRequestResponse} from '../Models/DataRequestResponse'
 import axios, { AxiosInstance } from 'axios'
 import { TransactionResponse } from '../Models/TransactionResponse'
 import RequestHeaders from './Headers'
 import HttpMethods from '../Constants/HttpMethods'
 import httpMethods from '../Constants/HttpMethods'
+import {Response} from "./Response";
 
 export class Client {
     private static _credentials: ICredentials
@@ -73,14 +74,14 @@ export class Client {
     }
     post(url: string, data: object) {
         return this.call({
-            method: HttpMethods.METHOD_POST,
+            method: HttpMethods.POST,
             url,
             data: data
         })
     }
     get(url: string) {
         return this.call({
-            method: HttpMethods.METHOD_GET,
+            method: HttpMethods.GET,
             url
         })
     }
@@ -94,13 +95,13 @@ export class Client {
     }
     dataRequest(data: ITransaction) {
         return this.post(this.getDataRequestUrl(), data).then((res) => {
-            return new TransactionResponse(res)
+            return new DataRequestResponse(res)
         })
     }
     specification(paymentName: string, serviceVersion = 0, type?: RequestType) {
         const url = this.getSpecificationUrl(paymentName, serviceVersion, type)
-        return this.get(url).then((response) => {
-            return new SpecificationResponse(response.data)
+        return this.get(url).then((res) => {
+            return new DataRequestResponse(res)
         })
     }
     specifications(
@@ -122,11 +123,11 @@ export class Client {
                 : this.getDataRequestUrl('/Specifications')
 
         return this.call({
-            method: HttpMethods.METHOD_POST,
+            method: HttpMethods.POST,
             url,
             data
         }).then((response) => {
-            return new SpecificationsResponse(response.data)
+            return new Response(response.data)
         })
     }
     status(transactionKey: string) {

src/Request/Response.ts

@@ -1,31 +1,19 @@
 import {
     AxiosResponse,
-    AxiosResponseHeaders,
-    InternalAxiosRequestConfig,
-    RawAxiosResponseHeaders
 } from 'axios'
-import { Hmac } from './Hmac'
 
-export class Response implements AxiosResponse {
+export class Response {
+
+    protected readonly _data: any
+    protected readonly _axiosResponse: AxiosResponse
     get data(): any {
         return this._data
     }
-    protected readonly _data: any
-    config: InternalAxiosRequestConfig
-    headers: RawAxiosResponseHeaders | AxiosResponseHeaders
-    status: number
-    statusText: string
+    get axiosResponse(): AxiosResponse {
+        return this._axiosResponse
+    }
     constructor(response: AxiosResponse) {
-        this.status = response.status
-        this.config = response.config
-        this.statusText = response.statusText
-        this.headers = response.headers
+        this._axiosResponse = response
         this._data = response.data
     }
-    static validate(authorizationHeader: string, method: string, url: string, data?: object) {
-        let authorization = authorizationHeader.split(':')
-        let hmac = new Hmac(method, url, data, authorization[2], authorization[3])
-        let hash = hmac.hashData(hmac.getHashString())
-        return hash === authorization[1]
-    }
 }