n8n/packages/nodes-base/nodes/Facebook/FacebookTrigger.node.ts

283 lines
7.7 KiB
TypeScript
Raw Normal View History

import type { IHookFunctions, IWebhookFunctions } from 'n8n-core';
import type {
IDataObject,
ILoadOptionsFunctions,
INodePropertyOptions,
INodeType,
INodeTypeDescription,
IWebhookResponseData,
} from 'n8n-workflow';
import { NodeApiError } from 'n8n-workflow';
import { v4 as uuid } from 'uuid';
import { snakeCase } from 'change-case';
import { facebookApiRequest, getAllFields, getFields } from './GenericFunctions';
import { createHmac } from 'crypto';
export class FacebookTrigger implements INodeType {
description: INodeTypeDescription = {
displayName: 'Facebook Trigger',
name: 'facebookTrigger',
icon: 'file:facebook.svg',
group: ['trigger'],
version: 1,
subtitle: '={{$parameter["appId"] +"/"+ $parameter["object"]}}',
description: 'Starts the workflow when Facebook events occur',
defaults: {
name: 'Facebook Trigger',
},
inputs: [],
outputs: ['main'],
credentials: [
{
name: 'facebookGraphAppApi',
required: true,
},
],
webhooks: [
{
name: 'setup',
httpMethod: 'GET',
responseMode: 'onReceived',
path: 'webhook',
},
{
name: 'default',
httpMethod: 'POST',
responseMode: 'onReceived',
path: 'webhook',
},
],
properties: [
{
displayName: 'APP ID',
name: 'appId',
type: 'string',
required: true,
default: '',
description: 'Facebook APP ID',
},
{
displayName: 'Object',
name: 'object',
type: 'options',
options: [
{
name: 'Ad Account',
value: 'adAccount',
description: 'Get updates about Ad Account',
},
{
name: 'Application',
value: 'application',
description: 'Get updates about the app',
},
{
name: 'Certificate Transparency',
value: 'certificateTransparency',
description: 'Get updates about Certificate Transparency',
},
{
name: 'Group',
value: 'group',
description: 'Get updates about activity in groups and events in groups for Workplace',
},
{
name: 'Instagram',
value: 'instagram',
description: 'Get updates about comments on your media',
},
{
name: 'Link',
value: 'link',
description: 'Get updates about links for rich previews by an external provider',
},
{
name: 'Page',
value: 'page',
description: 'Page updates',
},
{
name: 'Permissions',
value: 'permissions',
description: 'Updates regarding granting or revoking permissions',
},
{
name: 'User',
value: 'user',
description: 'User profile updates',
},
{
name: 'Whatsapp Business Account',
value: 'whatsappBusinessAccount',
description: 'Get updates about Whatsapp business account',
},
{
name: 'Workplace Security',
value: 'workplaceSecurity',
description: 'Get updates about Workplace Security',
},
],
required: true,
default: 'user',
description: 'The object to subscribe to',
},
//https://developers.facebook.com/docs/graph-api/webhooks/reference/page
{
refactor: Apply more `eslint-plugin-n8n-nodes-base` rules (#3534) * :zap: Update `lintfix` script * :zap: Run baseline `lintfix` * :fire: Remove unneeded exceptions (#3538) * :fire: Remove exceptions for `node-param-default-wrong-for-simplify` * :fire: Remove exceptions for `node-param-placeholder-miscased-id` * :zap: Update version * :shirt: Apply `node-param-placeholder-missing` (#3542) * :shirt: Apply `filesystem-wrong-cred-filename` (#3543) * :shirt: Apply `node-param-description-missing-from-dynamic-options` (#3545) Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Apply `node-class-description-empty-string` (#3546) * :shirt: Apply `node-class-description-icon-not-svg` (#3548) * :shirt: Apply `filesystem-wrong-node-filename` (#3549) Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Expand lintings to credentials (#3550) * :shirt: Apply `node-param-multi-options-type-unsorted-items` (#3552) * :zap: fix * :zap: Minor fixes Co-authored-by: Michael Kret <michael.k@radency.com> * :shirt: Apply `node-param-description-wrong-for-dynamic-multi-options` (#3541) * :zap: Add new lint rule, node-param-description-wrong-for-dynamic-multi-options * :zap: Fix with updated linting rules * :zap: Minor fixes Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Apply `node-param-description-boolean-without-whether` (#3553) * :zap: fix * Update packages/nodes-base/nodes/Clockify/ProjectDescription.ts Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Apply node-param-display-name-wrong-for-dynamic-multi-options (#3537) * :shirt: Add exceptions * :shirt: Add exception * :pencil2: Alphabetize rules * :zap: Restore `lintfix` command Co-authored-by: agobrech <45268029+agobrech@users.noreply.github.com> Co-authored-by: Omar Ajoue <krynble@gmail.com> Co-authored-by: Michael Kret <michael.k@radency.com> Co-authored-by: brianinoa <54530642+brianinoa@users.noreply.github.com> Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com>
2022-06-20 07:54:01 -07:00
displayName: 'Field Names or IDs',
name: 'fields',
type: 'multiOptions',
typeOptions: {
loadOptionsMethod: 'getObjectFields',
loadOptionsDependsOn: ['object'],
},
default: [],
description:
'The set of fields in this object that are subscribed to. Choose from the list, or specify IDs using an <a href="https://docs.n8n.io/code-examples/expressions/">expression</a>.',
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
default: {},
placeholder: 'Add option',
options: [
{
refactor: Apply more `eslint-plugin-n8n-nodes-base` autofixable rules (#3432) * :zap: Update `lintfix` script * :shirt: Remove unneeded lint exceptions * :shirt: Run baseline `lintfix` * :shirt: Apply `node-param-description-miscased-url` (#3441) * :shirt: Apply `rule node-param-placeholder-miscased-id` (#3443) Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Apply `node-param-option-name-wrong-for-upsert` (#3446) * :shirt: Apply `node-param-min-value-wrong-for-limit` (#3442) Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * Apply `node-param-display-name-wrong-for-dynamic-options` (#3454) * :hammer: fix * :zap: Fix `Assigned To` fields Co-authored-by: Michael Kret <michael.k@radency.com> * :shirt: Apply `rule node-param-default-wrong-for-number` (#3453) * :shirt: Apply `node-param-default-wrong-for-string` (#3452) Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * Apply `node-param-display-name-miscased` (#3449) * :hammer: fix * :hammer: exceptions * :zap: review fixes * :shirt: Apply `node-param-description-lowercase-first-char` (#3451) * :zap: fix * :zap: review fixes * :zap: fix Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Apply `node-param-description-wrong-for-dynamic-options` (#3456) * Rule working as intended * Add rule * :fire: Remove repetitions * :shirt: Add exceptions Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Small fix for `node-param-description-wrong-for-dynamic-options` * :shirt: Apply `node-param-default-wrong-for-fixed-collection` (#3460) * :shirt: Apply `node-param-description-line-break-html-tag` (#3462) * :shirt: Run baseline `lintfix` * :shirt: Apply `node-param-options-type-unsorted-items` (#3459) * :zap: fix * :hammer: exceptions * Add exception for Salesmate and Zoom Co-authored-by: Michael Kret <michael.k@radency.com> Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :zap: Restore `lintfix` command Co-authored-by: Omar Ajoue <krynble@gmail.com> Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com> Co-authored-by: agobrech <45268029+agobrech@users.noreply.github.com> Co-authored-by: Michael Kret <michael.k@radency.com> Co-authored-by: brianinoa <54530642+brianinoa@users.noreply.github.com>
2022-06-03 10:23:49 -07:00
displayName: 'Include Values',
name: 'includeValues',
type: 'boolean',
default: true,
refactor: Apply more `eslint-plugin-n8n-nodes-base` rules (#3534) * :zap: Update `lintfix` script * :zap: Run baseline `lintfix` * :fire: Remove unneeded exceptions (#3538) * :fire: Remove exceptions for `node-param-default-wrong-for-simplify` * :fire: Remove exceptions for `node-param-placeholder-miscased-id` * :zap: Update version * :shirt: Apply `node-param-placeholder-missing` (#3542) * :shirt: Apply `filesystem-wrong-cred-filename` (#3543) * :shirt: Apply `node-param-description-missing-from-dynamic-options` (#3545) Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Apply `node-class-description-empty-string` (#3546) * :shirt: Apply `node-class-description-icon-not-svg` (#3548) * :shirt: Apply `filesystem-wrong-node-filename` (#3549) Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Expand lintings to credentials (#3550) * :shirt: Apply `node-param-multi-options-type-unsorted-items` (#3552) * :zap: fix * :zap: Minor fixes Co-authored-by: Michael Kret <michael.k@radency.com> * :shirt: Apply `node-param-description-wrong-for-dynamic-multi-options` (#3541) * :zap: Add new lint rule, node-param-description-wrong-for-dynamic-multi-options * :zap: Fix with updated linting rules * :zap: Minor fixes Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Apply `node-param-description-boolean-without-whether` (#3553) * :zap: fix * Update packages/nodes-base/nodes/Clockify/ProjectDescription.ts Co-authored-by: Iván Ovejero <ivov.src@gmail.com> * :shirt: Apply node-param-display-name-wrong-for-dynamic-multi-options (#3537) * :shirt: Add exceptions * :shirt: Add exception * :pencil2: Alphabetize rules * :zap: Restore `lintfix` command Co-authored-by: agobrech <45268029+agobrech@users.noreply.github.com> Co-authored-by: Omar Ajoue <krynble@gmail.com> Co-authored-by: Michael Kret <michael.k@radency.com> Co-authored-by: brianinoa <54530642+brianinoa@users.noreply.github.com> Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com>
2022-06-20 07:54:01 -07:00
description: 'Whether change notifications should include the new values',
},
],
},
],
};
methods = {
loadOptions: {
// Get all the available organizations to display them to user so that he can
// select them easily
async getObjectFields(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
const object = this.getCurrentNodeParameter('object') as string;
return getFields(object) as INodePropertyOptions[];
},
},
};
// @ts-ignore (because of request)
webhookMethods = {
default: {
async checkExists(this: IHookFunctions): Promise<boolean> {
const webhookUrl = this.getNodeWebhookUrl('default') as string;
const object = this.getNodeParameter('object') as string;
const appId = this.getNodeParameter('appId') as string;
const { data } = await facebookApiRequest.call(this, 'GET', `/${appId}/subscriptions`, {});
for (const webhook of data) {
if (
webhook.target === webhookUrl &&
webhook.object === object &&
webhook.status === true
) {
return true;
}
}
return false;
},
async create(this: IHookFunctions): Promise<boolean> {
const webhookData = this.getWorkflowStaticData('node');
const webhookUrl = this.getNodeWebhookUrl('default') as string;
const object = this.getNodeParameter('object') as string;
const appId = this.getNodeParameter('appId') as string;
const fields = this.getNodeParameter('fields') as string[];
const options = this.getNodeParameter('options') as IDataObject;
const body = {
object: snakeCase(object),
callback_url: webhookUrl,
verify_token: uuid(),
fields: fields.includes('*') ? getAllFields(object) : fields,
} as IDataObject;
if (options.includeValues !== undefined) {
body.include_values = options.includeValues;
}
const responseData = await facebookApiRequest.call(
this,
'POST',
`/${appId}/subscriptions`,
body,
);
webhookData.verifyToken = body.verify_token;
if (responseData.success !== true) {
// Facebook did not return success, so something went wrong
throw new NodeApiError(this.getNode(), responseData, {
message: 'Facebook webhook creation response did not contain the expected data.',
});
}
return true;
},
async delete(this: IHookFunctions): Promise<boolean> {
const appId = this.getNodeParameter('appId') as string;
const object = this.getNodeParameter('object') as string;
try {
await facebookApiRequest.call(this, 'DELETE', `/${appId}/subscriptions`, {
object: snakeCase(object),
});
:sparkles: Improve node error handling (#1309) * Add path mapping and response error interfaces * Add error handling and throwing functionality * Refactor error handling into a single function * Re-implement error handling in Hacker News node * Fix linting details * Re-implement error handling in Spotify node * Re-implement error handling in G Suite Admin node * :construction: create basic setup NodeError * :construction: add httpCodes * :construction: add path priolist * :construction: handle statusCode in error, adjust interfaces * :construction: fixing type issues w/Ivan * :construction: add error exploration * 👔 fix linter issues * :wrench: improve object check * :construction: remove path passing from NodeApiError * :construction: add multi error + refactor findProperty method * 👔 allow any * :wrench: handle multi error message callback * :zap: change return type of callback * :zap: add customCallback to MultiError * :construction: refactor to use INode * :hammer: handle arrays, continue search after first null property found * 🚫 refactor method access * :construction: setup NodeErrorView * :zap: change timestamp to Date.now * :books: Add documentation for methods and constants * :construction: change message setting * 🚚 move NodeErrors to workflow * :sparkles: add new ErrorView for Nodes * :art: improve error notification * :art: refactor interfaces * :zap: add WorkflowOperationError, refactor error throwing * 👕 fix linter issues * :art: rename param * :bug: fix handling normal errors * :zap: add usage of NodeApiError * :art: fix throw new error instead of constructor * :art: remove unnecessary code/comments * :art: adjusted spacing + updated status messages * :art: fix tab indentation * ✨ Replace current errors with custom errors (#1576) * :zap: Introduce NodeApiError in catch blocks * :zap: Introduce NodeOperationError in nodes * :zap: Add missing errors and remove incompatible * :zap: Fix NodeOperationError in incompatible nodes * :wrench: Adjust error handling in missed nodes PayPal, FileMaker, Reddit, Taiga and Facebook Graph API nodes * :hammer: Adjust Strava Trigger node error handling * :hammer: Adjust AWS nodes error handling * :hammer: Remove duplicate instantiation of NodeApiError * :bug: fix strava trigger node error handling * Add XML parsing to NodeApiError constructor (#1633) * :bug: Remove type annotation from catch variable * :sparkles: Add XML parsing to NodeApiError * :zap: Simplify error handling in Rekognition node * :zap: Pass in XML flag in generic functions * :fire: Remove try/catch wrappers at call sites * :hammer: Refactor setting description from XML * :hammer: Refactor let to const in resource loaders * :zap: Find property in parsed XML * :zap: Change let to const * :fire: Remove unneeded try/catch block * :shirt: Fix linting issues * :bug: Fix errors from merge conflict resolution * :zap: Add custom errors to latest contributions * :shirt: Fix linting issues * :zap: Refactor MongoDB helpers for custom errors * :bug: Correct custom error type * :zap: Apply feedback to A nodes * :zap: Apply feedback to missed A node * :zap: Apply feedback to B-D nodes * :zap: Apply feedback to E-F nodes * :zap: Apply feedback to G nodes * :zap: Apply feedback to H-L nodes * :zap: Apply feedback to M nodes * :zap: Apply feedback to P nodes * :zap: Apply feedback to R nodes * :zap: Apply feedback to S nodes * :zap: Apply feedback to T nodes * :zap: Apply feedback to V-Z nodes * :zap: Add HTTP code to iterable node error * :hammer: Standardize e as error * :hammer: Standardize err as error * :zap: Fix error handling for non-standard nodes Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com> Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com> Co-authored-by: Ben Hesseldieck <1849459+BHesseldieck@users.noreply.github.com>
2021-04-16 09:33:36 -07:00
} catch (error) {
return false;
}
return true;
},
},
};
async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
const bodyData = this.getBodyData();
const query = this.getQueryData() as IDataObject;
const res = this.getResponseObject();
const req = this.getRequestObject();
const headerData = this.getHeaderData() as IDataObject;
const credentials = await this.getCredentials('facebookGraphAppApi');
// Check if we're getting facebook's challenge request (https://developers.facebook.com/docs/graph-api/webhooks/getting-started)
if (this.getWebhookName() === 'setup') {
if (query['hub.challenge']) {
//TODO
//compare hub.verify_token with the saved token
//const webhookData = this.getWorkflowStaticData('node');
// if (webhookData.verifyToken !== query['hub.verify_token']) {
// return {};
// }
res.status(200).send(query['hub.challenge']).end();
return {
noWebhookResponse: true,
};
}
}
// validate signature if app secret is set
if (credentials.appSecret !== '') {
const computedSignature = createHmac('sha1', credentials.appSecret as string)
.update(req.rawBody)
.digest('hex');
if (headerData['x-hub-signature'] !== `sha1=${computedSignature}`) {
return {};
}
}
return {
workflowData: [this.helpers.returnJsonArray(bodyData.entry as IDataObject[])],
};
}
}