n8n/packages/nodes-base/nodes/Shopify/ShopifyTrigger.node.ts
Ricardo Espinoza 96cffdfd1e
🐛 Fix error when checking if webhook exists (#1129)
* 🐛 Fix error when checking if webhook exists

* zap: Small fix
2020-11-07 19:44:13 +01:00

385 lines
8.8 KiB
TypeScript

import {
IHookFunctions,
IWebhookFunctions,
} from 'n8n-core';
import {
IDataObject,
INodeType,
INodeTypeDescription,
IWebhookResponseData,
} from 'n8n-workflow';
import {
shopifyApiRequest,
} from './GenericFunctions';
import {
createHmac,
} from 'crypto';
export class ShopifyTrigger implements INodeType {
description: INodeTypeDescription = {
displayName: 'Shopify Trigger',
name: 'shopifyTrigger',
icon: 'file:shopify.png',
group: ['trigger'],
version: 1,
subtitle: '={{$parameter["event"]}}',
description: 'Handle Shopify events via webhooks',
defaults: {
name: 'Shopify Trigger',
color: '#559922',
},
inputs: [],
outputs: ['main'],
credentials: [
{
name: 'shopifyApi',
required: true,
},
],
webhooks: [
{
name: 'default',
httpMethod: 'POST',
responseMode: 'onReceived',
path: 'webhook',
},
],
properties: [
{
displayName: 'Topic',
name: 'topic',
type: 'options',
default: '',
options:
[
{
name: 'App Uninstalled',
value: 'app/uninstalled',
},
{
name: 'Cart Created',
value: 'carts/create',
},
{
name: 'Cart Updated',
value: 'carts/update',
},
{
name: 'Checkout Created',
value: 'checkouts/create',
},
{
name: 'Checkout Delete',
value: 'checkouts/delete',
},
{
name: 'Checkout Update',
value: 'checkouts/update',
},
{
name: 'Collection Listings Added',
value: 'collection_listings/add',
},
{
name: 'Collection Listings Removed',
value: 'collection_listings/remove',
},
{
name: 'Collection Listings Updated',
value: 'collection_listings/update',
},
{
name: 'Collection Created',
value: 'collections/create',
},
{
name: 'Collection Deleted',
value: 'collections/delete',
},
{
name: 'Collection Updated',
value: 'collections/update',
},
{
name: 'Customer Groups Created',
value: 'customer_groups/create',
},
{
name: 'Customer Groups Deleted',
value: 'customer_groups/delete',
},
{
name: 'Customer Groups Updated',
value: 'customer_groups/update',
},
{
name: 'Customer Created',
value: 'customers/create',
},
{
name: 'Customer Deleted',
value: 'customers/delete',
},
{
name: 'Customer disabled',
value: 'customers/disable',
},
{
name: 'Customer Enabled',
value: 'customers/enable',
},
{
name: 'Customer Updated',
value: 'customers/update',
},
{
name: 'Draft Orders Created',
value: 'draft_orders/create',
},
{
name: 'Draft Orders Deleted',
value: 'draft_orders/delete',
},
{
name: 'Draft orders Updated',
value: 'draft_orders/update',
},
{
name: 'Fulfillment Events Created',
value: 'fulfillment_events/create',
},
{
name: 'Fulfillment Events Deleted',
value: 'fulfillment_events/delete',
},
{
name: 'Fulfillment created',
value: 'fulfillments/create',
},
{
name: 'Fulfillment Updated',
value: 'fulfillments/update',
},
{
name: 'Inventory Items Created',
value: 'inventory_items/create',
},
{
name: 'Inventory Items Deleted',
value: 'inventory_items/delete',
},
{
name: 'Inventory Items Updated',
value: 'inventory_items/update',
},
{
name: 'Inventory Levels Connected',
value: 'inventory_levels/connect',
},
{
name: 'Inventory Levels Disconnected',
value: 'inventory_levels/disconnect',
},
{
name: 'Inventory Levels Updated',
value: 'inventory_levels/update',
},
{
name: 'Locale Created',
value: 'locales/create',
},
{
name: 'Locale Updated',
value: 'locales/update',
},
{
name: 'Location Created',
value: 'locations/create',
},
{
name: 'Location Deleted',
value: 'locations/delete',
},
{
name: 'Location Updated',
value: 'locations/update',
},
{
name: 'Order transactions Created',
value: 'order_transactions/create',
},
{
name: 'Order cancelled',
value: 'orders/cancelled',
},
{
name: 'Order Created',
value: 'orders/create',
},
{
name: 'Orders Deleted',
value: 'orders/delete',
},
{
name: 'Order Fulfilled',
value: 'orders/fulfilled',
},
{
name: 'Order Paid',
value: 'orders/paid',
},
{
name: 'Order Partially Fulfilled',
value: 'orders/partially_fulfilled',
},
{
name: 'Order Updated',
value: 'orders/updated',
},
{
name: 'Product Listings Added',
value: 'product_listings/add',
},
{
name: 'Product Listings Removed',
value: 'product_listings/remove',
},
{
name: 'Product Listings Updated',
value: 'product_listings/update',
},
{
name: 'Product Created',
value: 'products/create',
},
{
name: 'Product Deleted',
value: 'products/delete',
},
{
name: 'Product Updated',
value: 'products/update',
},
{
name: 'Refund Created',
value: 'refunds/create',
},
{
name: 'Shop Updated',
value: 'shop/update',
},
{
name: 'Tender Transactions Created',
value: 'tender_transactions/create',
},
{
name: 'Theme Created',
value: 'themes/create',
},
{
name: 'Theme Deleted',
value: 'themes/delete',
},
{
name: 'Theme Published',
value: 'themes/publish',
},
{
name: 'Theme Updated',
value: 'themes/update',
},
],
description: 'Event that triggers the webhook',
},
],
};
// @ts-ignore (because of request)
webhookMethods = {
default: {
async checkExists(this: IHookFunctions): Promise<boolean> {
const topic = this.getNodeParameter('topic') as string;
const webhookData = this.getWorkflowStaticData('node');
const webhookUrl = this.getNodeWebhookUrl('default');
const endpoint = `/webhooks`;
const { webhooks } = await shopifyApiRequest.call(this, 'GET', endpoint, {}, { topic });
for (const webhook of webhooks) {
if (webhook.address === webhookUrl) {
webhookData.webhookId = webhook.id;
return true;
}
}
return false;
},
async create(this: IHookFunctions): Promise<boolean> {
const webhookUrl = this.getNodeWebhookUrl('default');
const topic = this.getNodeParameter('topic') as string;
const webhookData = this.getWorkflowStaticData('node');
const endpoint = `/webhooks.json`;
const body = {
webhook: {
topic,
address: webhookUrl,
format: 'json',
},
};
let responseData;
responseData = await shopifyApiRequest.call(this, 'POST', endpoint, body);
if (responseData.webhook === undefined || responseData.webhook.id === undefined) {
// Required data is missing so was not successful
return false;
}
webhookData.webhookId = responseData.webhook.id as string;
return true;
},
async delete(this: IHookFunctions): Promise<boolean> {
const webhookData = this.getWorkflowStaticData('node');
if (webhookData.webhookId !== undefined) {
const endpoint = `/webhooks/${webhookData.webhookId}.json`;
try {
await shopifyApiRequest.call(this, 'DELETE', endpoint, {});
} catch (e) {
return false;
}
delete webhookData.webhookId;
}
return true;
},
},
};
async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
const headerData = this.getHeaderData() as IDataObject;
const req = this.getRequestObject();
const credentials = this.getCredentials('shopifyApi') as IDataObject;
const topic = this.getNodeParameter('topic') as string;
if (headerData['x-shopify-topic'] !== undefined
&& headerData['x-shopify-hmac-sha256'] !== undefined
&& headerData['x-shopify-shop-domain'] !== undefined
&& headerData['x-shopify-api-version'] !== undefined) {
// @ts-ignore
const computedSignature = createHmac('sha256', credentials.sharedSecret as string).update(req.rawBody).digest('base64');
if (headerData['x-shopify-hmac-sha256'] !== computedSignature) {
return {};
}
if (topic !== headerData['x-shopify-topic']) {
return {};
}
} else {
return {};
}
return {
workflowData: [
this.helpers.returnJsonArray(req.body),
],
};
}
}