mirror of
https://github.com/n8n-io/n8n.git
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188 lines
4.4 KiB
TypeScript
188 lines
4.4 KiB
TypeScript
import {
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IHookFunctions,
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IWebhookFunctions,
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} from 'n8n-core';
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import {
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IDataObject,
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INodeType,
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INodeTypeDescription,
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IWebhookResponseData,
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} from 'n8n-workflow';
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import {
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getAutomaticSecret,
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woocommerceApiRequest,
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} from './GenericFunctions';
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import {
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createHmac,
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} from 'crypto';
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export class WooCommerceTrigger implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'WooCommerce Trigger',
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name: 'wooCommerceTrigger',
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icon: 'file:wooCommerce.png',
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group: ['trigger'],
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version: 1,
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description: 'Handle WooCommerce events via webhooks',
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defaults: {
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name: 'WooCommerce Trigger',
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color: '#96588a',
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},
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inputs: [],
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outputs: ['main'],
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credentials: [
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{
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name: 'wooCommerceApi',
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required: true,
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},
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],
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webhooks: [
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{
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name: 'default',
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httpMethod: 'POST',
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responseMode: 'onReceived',
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path: 'webhook',
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},
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],
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properties: [
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{
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displayName: 'Event',
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name: 'event',
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type: 'options',
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required: true,
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default: '',
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options: [
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{
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name: 'coupon.created',
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value: 'coupon.created',
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},
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{
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name: 'coupon.updated',
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value: 'coupon.updated',
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},
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{
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name: 'coupon.deleted',
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value: 'coupon.deleted',
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},
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{
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name: 'customer.created',
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value: 'customer.created',
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},
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{
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name: 'customer.updated',
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value: 'customer.updated',
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},
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{
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name: 'customer.deleted',
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value: 'customer.deleted',
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},
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{
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name: 'order.created',
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value: 'order.created',
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},
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{
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name: 'order.updated',
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value: 'order.updated',
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},
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{
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name: 'order.deleted',
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value: 'order.deleted',
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},
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{
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name: 'product.created',
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value: 'product.created',
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},
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{
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name: 'product.updated',
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value: 'product.updated',
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},
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{
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name: 'product.deleted',
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value: 'product.deleted',
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},
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],
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description: 'Determines which resource events the webhook is triggered for.',
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},
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],
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};
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// @ts-ignore
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webhookMethods = {
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default: {
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async checkExists(this: IHookFunctions): Promise<boolean> {
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const webhookUrl = this.getNodeWebhookUrl('default');
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const webhookData = this.getWorkflowStaticData('node');
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const currentEvent = this.getNodeParameter('event') as string;
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const endpoint = `/webhooks`;
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const webhooks = await woocommerceApiRequest.call(this, 'GET', endpoint, {}, { status: 'active', per_page: 100 });
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for (const webhook of webhooks) {
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if (webhook.status === 'active'
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&& webhook.delivery_url === webhookUrl
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&& webhook.topic === currentEvent) {
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webhookData.webhookId = webhook.id;
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return true;
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}
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}
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return false;
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},
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async create(this: IHookFunctions): Promise<boolean> {
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const credentials = this.getCredentials('wooCommerceApi');
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const webhookUrl = this.getNodeWebhookUrl('default');
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const webhookData = this.getWorkflowStaticData('node');
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const event = this.getNodeParameter('event') as string;
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const secret = getAutomaticSecret(credentials!);
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const endpoint = '/webhooks';
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const body: IDataObject = {
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delivery_url: webhookUrl,
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topic: event,
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secret,
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};
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const { id } = await woocommerceApiRequest.call(this, 'POST', endpoint, body);
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webhookData.webhookId = id;
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webhookData.secret = secret;
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return true;
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},
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async delete(this: IHookFunctions): Promise<boolean> {
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const webhookData = this.getWorkflowStaticData('node');
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const endpoint = `/webhooks/${webhookData.webhookId}`;
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try {
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await woocommerceApiRequest.call(this, 'DELETE', endpoint, {}, { force: true });
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} catch(error) {
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return false;
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}
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delete webhookData.webhookId;
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delete webhookData.secret;
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return true;
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},
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},
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};
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//@ts-ignore
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async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
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const req = this.getRequestObject();
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const headerData = this.getHeaderData();
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const webhookData = this.getWorkflowStaticData('node');
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//@ts-ignore
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if (headerData['x-wc-webhook-id'] === undefined) {
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return {};
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}
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//@ts-ignore
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const computedSignature = createHmac('sha256',webhookData.secret as string).update(req.rawBody).digest('base64');
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//@ts-ignore
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if (headerData['x-wc-webhook-signature'] !== computedSignature) {
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// Signature is not valid so ignore call
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return {};
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}
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return {
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workflowData: [
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this.helpers.returnJsonArray(req.body),
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],
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};
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}
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} |