update
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309
ts/bunq.classes.webhook.ts
Normal file
309
ts/bunq.classes.webhook.ts
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import * as plugins from './bunq.plugins';
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import { BunqAccount } from './bunq.classes.account';
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import { BunqNotification, BunqWebhookHandler } from './bunq.classes.notification';
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import { BunqCrypto } from './bunq.classes.crypto';
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/**
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* Webhook server for receiving bunq notifications
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*/
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export class BunqWebhookServer {
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private bunqAccount: BunqAccount;
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private notification: BunqNotification;
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private handler: BunqWebhookHandler;
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private server?: any; // HTTP server instance
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private port: number;
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private path: string;
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private publicUrl: string;
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constructor(
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bunqAccount: BunqAccount,
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options: {
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port?: number;
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path?: string;
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publicUrl: string;
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}
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) {
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this.bunqAccount = bunqAccount;
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this.notification = new BunqNotification(bunqAccount);
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this.handler = new BunqWebhookHandler();
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this.port = options.port || 3000;
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this.path = options.path || '/webhook';
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this.publicUrl = options.publicUrl;
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}
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/**
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* Start the webhook server
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*/
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public async start(): Promise<void> {
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// Create HTTP server
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const http = await import('http');
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this.server = http.createServer(async (req, res) => {
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if (req.method === 'POST' && req.url === this.path) {
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let body = '';
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req.on('data', chunk => {
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body += chunk.toString();
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});
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req.on('end', async () => {
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try {
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// Get signature from headers
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const signature = req.headers['x-bunq-server-signature'] as string;
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if (!signature) {
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res.statusCode = 401;
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res.end('Missing signature');
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return;
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}
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// Verify signature
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const isValid = this.notification.verifyWebhookSignature(body, signature);
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if (!isValid) {
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res.statusCode = 401;
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res.end('Invalid signature');
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return;
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}
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// Parse and process notification
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const notification = JSON.parse(body);
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await this.handler.process(notification);
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res.statusCode = 200;
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res.end('OK');
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} catch (error) {
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console.error('Webhook processing error:', error);
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res.statusCode = 500;
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res.end('Internal server error');
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}
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});
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} else {
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res.statusCode = 404;
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res.end('Not found');
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}
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});
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this.server.listen(this.port, () => {
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console.log(`Webhook server listening on port ${this.port}`);
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});
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}
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/**
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* Stop the webhook server
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*/
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public async stop(): Promise<void> {
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if (this.server) {
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await new Promise<void>((resolve) => {
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this.server.close(() => {
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resolve();
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});
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});
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this.server = undefined;
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}
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}
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/**
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* Get the webhook handler
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*/
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public getHandler(): BunqWebhookHandler {
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return this.handler;
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}
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/**
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* Register webhook with bunq
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*/
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public async register(categories?: string[]): Promise<void> {
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const webhookUrl = `${this.publicUrl}${this.path}`;
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if (categories && categories.length > 0) {
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// Register specific categories
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const filters = categories.map(category => ({
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category,
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notificationTarget: webhookUrl
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}));
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await this.notification.createMultipleUrlFilters(filters);
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} else {
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// Register all payment and account events
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await this.notification.setupPaymentWebhook(webhookUrl);
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await this.notification.setupAccountWebhook(webhookUrl);
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}
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}
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/**
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* Unregister all webhooks
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*/
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public async unregister(): Promise<void> {
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await this.notification.clearAllUrlFilters();
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}
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}
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/**
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* Webhook client for sending test notifications
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*/
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export class BunqWebhookClient {
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private crypto: BunqCrypto;
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private privateKey: string;
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constructor(privateKey: string) {
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this.crypto = new BunqCrypto();
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this.privateKey = privateKey;
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}
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/**
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* Send a test notification to a webhook endpoint
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*/
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public async sendTestNotification(
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webhookUrl: string,
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notification: any
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): Promise<void> {
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const body = JSON.stringify(notification);
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// Create signature
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const sign = plugins.crypto.createSign('SHA256');
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sign.update(body);
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sign.end();
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const signature = sign.sign(this.privateKey, 'base64');
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// Send request
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const response = await plugins.smartrequest.request(webhookUrl, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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'X-Bunq-Server-Signature': signature
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},
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requestBody: body
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});
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if (response.statusCode !== 200) {
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throw new Error(`Webhook request failed with status ${response.statusCode}`);
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}
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}
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/**
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* Create a test payment notification
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*/
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public createTestPaymentNotification(paymentData: any): any {
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return {
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NotificationUrl: {
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target_url: 'https://example.com/webhook',
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category: 'PAYMENT',
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event_type: 'PAYMENT_CREATED',
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object: {
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Payment: {
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id: 1234,
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created: new Date().toISOString(),
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updated: new Date().toISOString(),
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monetary_account_id: 1,
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amount: {
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currency: 'EUR',
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value: '10.00'
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},
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description: 'Test payment',
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type: 'IDEAL',
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...paymentData
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}
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}
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}
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};
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}
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/**
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* Create a test account notification
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*/
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public createTestAccountNotification(accountData: any): any {
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return {
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NotificationUrl: {
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target_url: 'https://example.com/webhook',
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category: 'MONETARY_ACCOUNT',
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event_type: 'MONETARY_ACCOUNT_UPDATED',
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object: {
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MonetaryAccountBank: {
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id: 1234,
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created: new Date().toISOString(),
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updated: new Date().toISOString(),
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balance: {
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currency: 'EUR',
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value: '100.00'
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},
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...accountData
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}
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}
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}
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};
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}
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}
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/**
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* Webhook event types
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*/
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export enum BunqWebhookEventType {
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// Payment events
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PAYMENT_CREATED = 'PAYMENT_CREATED',
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PAYMENT_UPDATED = 'PAYMENT_UPDATED',
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PAYMENT_CANCELLED = 'PAYMENT_CANCELLED',
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// Account events
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MONETARY_ACCOUNT_CREATED = 'MONETARY_ACCOUNT_CREATED',
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MONETARY_ACCOUNT_UPDATED = 'MONETARY_ACCOUNT_UPDATED',
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MONETARY_ACCOUNT_CLOSED = 'MONETARY_ACCOUNT_CLOSED',
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// Card events
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CARD_CREATED = 'CARD_CREATED',
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CARD_UPDATED = 'CARD_UPDATED',
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CARD_CANCELLED = 'CARD_CANCELLED',
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CARD_TRANSACTION = 'CARD_TRANSACTION',
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// Request events
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REQUEST_INQUIRY_CREATED = 'REQUEST_INQUIRY_CREATED',
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REQUEST_INQUIRY_UPDATED = 'REQUEST_INQUIRY_UPDATED',
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REQUEST_INQUIRY_ACCEPTED = 'REQUEST_INQUIRY_ACCEPTED',
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REQUEST_INQUIRY_REJECTED = 'REQUEST_INQUIRY_REJECTED',
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// Other events
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SCHEDULE_RESULT = 'SCHEDULE_RESULT',
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TAB_RESULT = 'TAB_RESULT',
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DRAFT_PAYMENT_CREATED = 'DRAFT_PAYMENT_CREATED',
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DRAFT_PAYMENT_UPDATED = 'DRAFT_PAYMENT_UPDATED'
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}
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/**
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* Webhook middleware for Express.js
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*/
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export function bunqWebhookMiddleware(
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bunqAccount: BunqAccount,
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handler: BunqWebhookHandler
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) {
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const notification = new BunqNotification(bunqAccount);
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return async (req: any, res: any, next: any) => {
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try {
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// Get signature from headers
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const signature = req.headers['x-bunq-server-signature'];
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if (!signature) {
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res.status(401).send('Missing signature');
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return;
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}
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// Get raw body
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const body = JSON.stringify(req.body);
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// Verify signature
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const isValid = notification.verifyWebhookSignature(body, signature);
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if (!isValid) {
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res.status(401).send('Invalid signature');
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return;
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}
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// Process notification
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await handler.process(req.body);
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res.status(200).send('OK');
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} catch (error) {
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next(error);
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}
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};
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}
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