n8n-nodes-base
Version:
Base nodes of n8n
199 lines • 7.96 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AsanaTrigger = void 0;
const n8n_workflow_1 = require("n8n-workflow");
const GenericFunctions_1 = require("./GenericFunctions");
// import {
// createHmac,
// } from 'crypto';
class AsanaTrigger {
description = {
displayName: 'Asana Trigger',
name: 'asanaTrigger',
icon: 'file:asana.svg',
group: ['trigger'],
version: 1,
description: 'Starts the workflow when Asana events occur.',
defaults: {
name: 'Asana Trigger',
},
inputs: [],
outputs: [n8n_workflow_1.NodeConnectionTypes.Main],
credentials: [
{
name: 'asanaApi',
required: true,
displayOptions: {
show: {
authentication: ['accessToken'],
},
},
},
{
name: 'asanaOAuth2Api',
required: true,
displayOptions: {
show: {
authentication: ['oAuth2'],
},
},
},
],
webhooks: [
{
name: 'default',
httpMethod: 'POST',
responseMode: 'onReceived',
path: 'webhook',
},
],
properties: [
{
displayName: 'Authentication',
name: 'authentication',
type: 'options',
options: [
{
name: 'Access Token',
value: 'accessToken',
},
{
name: 'OAuth2',
value: 'oAuth2',
},
],
default: 'accessToken',
},
{
displayName: 'Resource',
name: 'resource',
type: 'string',
default: '',
required: true,
description: 'The resource ID to subscribe to. The resource can be a task or project.',
},
{
displayName: 'Workspace Name or ID',
name: 'workspace',
type: 'options',
typeOptions: {
loadOptionsMethod: 'getWorkspaces',
},
options: [],
default: '',
description: 'The workspace ID the resource is registered under. This is only required if you want to allow overriding existing webhooks. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/code/expressions/">expression</a>.',
},
],
};
methods = {
loadOptions: {
// Get all the available workspaces to display them to user so that they can
// select them easily
async getWorkspaces() {
const workspaces = await GenericFunctions_1.getWorkspaces.call(this);
workspaces.unshift({
name: '',
value: '',
});
return workspaces;
},
},
};
webhookMethods = {
default: {
async checkExists() {
const webhookData = this.getWorkflowStaticData('node');
const webhookUrl = this.getNodeWebhookUrl('default');
const resource = this.getNodeParameter('resource');
const workspace = this.getNodeParameter('workspace');
const { data } = await GenericFunctions_1.asanaApiRequest.call(this, 'GET', '/webhooks', {}, { workspace });
for (const webhook of data) {
if (webhook.resource.gid === resource && webhook.target === webhookUrl) {
webhookData.webhookId = webhook.gid;
return true;
}
}
// If it did not error then the webhook exists
return false;
},
async create() {
const webhookData = this.getWorkflowStaticData('node');
const webhookUrl = this.getNodeWebhookUrl('default');
if (webhookUrl.includes('%20')) {
throw new n8n_workflow_1.NodeOperationError(this.getNode(), 'The name of the Asana Trigger Node is not allowed to contain any spaces!');
}
const resource = this.getNodeParameter('resource');
const body = {
resource,
target: webhookUrl,
};
const responseData = await GenericFunctions_1.asanaApiRequest.call(this, 'POST', '/webhooks', body);
if (responseData.data === undefined || responseData.data.gid === undefined) {
// Required data is missing so was not successful
return false;
}
webhookData.webhookId = responseData.data.gid;
return true;
},
async delete() {
const webhookData = this.getWorkflowStaticData('node');
if (webhookData.webhookId !== undefined) {
const body = {};
try {
await GenericFunctions_1.asanaApiRequest.call(this, 'DELETE', `/webhooks/${webhookData.webhookId}`, body);
}
catch (error) {
return false;
}
// Remove from the static workflow data so that it is clear
// that no webhooks are registered anymore
delete webhookData.webhookId;
delete webhookData.webhookEvents;
delete webhookData.hookSecret;
}
return true;
},
},
};
async webhook() {
const bodyData = this.getBodyData();
const headerData = this.getHeaderData();
const req = this.getRequestObject();
const webhookData = this.getWorkflowStaticData('node');
if (headerData['x-hook-secret'] !== undefined) {
// Is a create webhook confirmation request
webhookData.hookSecret = headerData['x-hook-secret'];
const res = this.getResponseObject();
res.set('X-Hook-Secret', webhookData.hookSecret);
res.status(200).end();
return {
noWebhookResponse: true,
};
}
// Is regular webhook call
// Check if it contains any events
if (bodyData.events === undefined ||
!Array.isArray(bodyData.events) ||
bodyData.events.length === 0) {
// Does not contain any event data so nothing to process so no reason to
// start the workflow
return {};
}
// TODO: Had to be deactivated as it is currently not possible to get the secret
// in production mode as the static data overwrites each other because the
// two exist at the same time (create webhook [with webhookId] and receive
// webhook [with secret])
// // Check if the request is valid
// // (if the signature matches to data and hookSecret)
// const computedSignature = createHmac('sha256', webhookData.hookSecret as string).update(JSON.stringify(req.body)).digest('hex');
// if (headerData['x-hook-signature'] !== computedSignature) {
// // Signature is not valid so ignore call
// return {};
// }
return {
workflowData: [this.helpers.returnJsonArray(req.body.events)],
};
}
}
exports.AsanaTrigger = AsanaTrigger;
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