mirror of
https://github.com/n8n-io/n8n.git
synced 2024-09-21 23:37:37 -07:00
882 lines
23 KiB
TypeScript
882 lines
23 KiB
TypeScript
import { randomBytes } from 'crypto';
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import { existsSync } from 'fs';
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import express from 'express';
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import superagent from 'superagent';
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import request from 'supertest';
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import { URL } from 'url';
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import bodyParser from 'body-parser';
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import { set } from 'lodash';
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import { CronJob } from 'cron';
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import { BinaryDataManager, UserSettings } from 'n8n-core';
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import {
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ICredentialType,
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IDataObject,
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IExecuteFunctions,
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INodeExecutionData,
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INodeParameters,
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INodeTypeData,
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INodeTypes,
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ITriggerFunctions,
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ITriggerResponse,
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LoggerProxy,
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} from 'n8n-workflow';
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import config from '../../../config';
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import { AUTHLESS_ENDPOINTS, PUBLIC_API_REST_PATH_SEGMENT, REST_PATH_SEGMENT } from './constants';
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import { AUTH_COOKIE_NAME } from '../../../src/constants';
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import { addRoutes as authMiddleware } from '../../../src/UserManagement/routes';
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import {
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ActiveWorkflowRunner,
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CredentialTypes,
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Db,
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ExternalHooks,
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InternalHooksManager,
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NodeTypes,
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} from '../../../src';
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import { meNamespace as meEndpoints } from '../../../src/UserManagement/routes/me';
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import { usersNamespace as usersEndpoints } from '../../../src/UserManagement/routes/users';
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import { authenticationMethods as authEndpoints } from '../../../src/UserManagement/routes/auth';
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import { ownerNamespace as ownerEndpoints } from '../../../src/UserManagement/routes/owner';
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import { passwordResetNamespace as passwordResetEndpoints } from '../../../src/UserManagement/routes/passwordReset';
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import { issueJWT } from '../../../src/UserManagement/auth/jwt';
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import { getLogger } from '../../../src/Logger';
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import { credentialsController } from '../../../src/api/credentials.api';
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import { loadPublicApiVersions } from '../../../src/PublicApi/';
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import type { User } from '../../../src/databases/entities/User';
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import type { ApiPath, EndpointGroup, PostgresSchemaSection, TriggerTime } from './types';
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import type { N8nApp } from '../../../src/UserManagement/Interfaces';
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/**
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* Initialize a test server.
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*
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* @param applyAuth Whether to apply auth middleware to test server.
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* @param endpointGroups Groups of endpoints to apply to test server.
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*/
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export async function initTestServer({
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applyAuth,
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endpointGroups,
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}: {
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applyAuth: boolean;
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endpointGroups?: EndpointGroup[];
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}) {
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const testServer = {
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app: express(),
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restEndpoint: REST_PATH_SEGMENT,
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publicApiEndpoint: PUBLIC_API_REST_PATH_SEGMENT,
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externalHooks: {},
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};
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testServer.app.use(bodyParser.json());
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testServer.app.use(bodyParser.urlencoded({ extended: true }));
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config.set('userManagement.jwtSecret', 'My JWT secret');
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config.set('userManagement.isInstanceOwnerSetUp', false);
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if (applyAuth) {
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authMiddleware.apply(testServer, [AUTHLESS_ENDPOINTS, REST_PATH_SEGMENT]);
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}
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if (!endpointGroups) return testServer.app;
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if (endpointGroups.includes('credentials')) {
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testServer.externalHooks = ExternalHooks();
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}
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const [routerEndpoints, functionEndpoints] = classifyEndpointGroups(endpointGroups);
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if (routerEndpoints.length) {
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const { apiRouters } = await loadPublicApiVersions(testServer.publicApiEndpoint);
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const map: Record<string, express.Router | express.Router[]> = {
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credentials: credentialsController,
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publicApi: apiRouters,
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};
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for (const group of routerEndpoints) {
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if (group === 'publicApi') {
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testServer.app.use(...(map[group] as express.Router[]));
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} else {
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testServer.app.use(`/${testServer.restEndpoint}/${group}`, map[group]);
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}
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}
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}
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if (functionEndpoints.length) {
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const map: Record<string, (this: N8nApp) => void> = {
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me: meEndpoints,
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users: usersEndpoints,
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auth: authEndpoints,
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owner: ownerEndpoints,
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passwordReset: passwordResetEndpoints,
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};
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for (const group of functionEndpoints) {
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map[group].apply(testServer);
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}
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}
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return testServer.app;
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}
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/**
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* Pre-requisite: Mock the telemetry module before calling.
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*/
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export function initTestTelemetry() {
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const mockNodeTypes = { nodeTypes: {} } as INodeTypes;
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void InternalHooksManager.init('test-instance-id', 'test-version', mockNodeTypes);
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}
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/**
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* Classify endpoint groups into `routerEndpoints` (newest, using `express.Router`),
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* and `functionEndpoints` (legacy, namespaced inside a function).
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*/
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const classifyEndpointGroups = (endpointGroups: string[]) => {
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const routerEndpoints: string[] = [];
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const functionEndpoints: string[] = [];
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endpointGroups.forEach((group) =>
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(group === 'credentials' || group === 'publicApi' ? routerEndpoints : functionEndpoints).push(
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group,
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),
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);
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return [routerEndpoints, functionEndpoints];
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};
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// ----------------------------------
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// initializers
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// ----------------------------------
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/**
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* Initialize node types.
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*/
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export async function initActiveWorkflowRunner(): Promise<ActiveWorkflowRunner.ActiveWorkflowRunner> {
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const workflowRunner = ActiveWorkflowRunner.getInstance();
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workflowRunner.init();
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return workflowRunner;
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}
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export function gitHubCredentialType(): ICredentialType {
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return {
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name: 'githubApi',
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displayName: 'Github API',
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documentationUrl: 'github',
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properties: [
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{
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displayName: 'Github Server',
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name: 'server',
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type: 'string',
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default: 'https://api.github.com',
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description: 'The server to connect to. Only has to be set if Github Enterprise is used.',
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},
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{
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displayName: 'User',
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name: 'user',
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type: 'string',
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default: '',
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},
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{
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displayName: 'Access Token',
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name: 'accessToken',
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type: 'string',
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default: '',
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},
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],
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};
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}
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/**
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* Initialize node types.
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*/
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export async function initCredentialsTypes(): Promise<void> {
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const credentialTypes = CredentialTypes();
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await credentialTypes.init({
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githubApi: {
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type: gitHubCredentialType(),
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sourcePath: '',
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},
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});
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}
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/**
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* Initialize node types.
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*/
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export async function initNodeTypes() {
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const types: INodeTypeData = {
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'n8n-nodes-base.start': {
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sourcePath: '',
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type: {
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description: {
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displayName: 'Start',
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name: 'start',
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group: ['input'],
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version: 1,
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description: 'Starts the workflow execution from this node',
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defaults: {
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name: 'Start',
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color: '#553399',
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},
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inputs: [],
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outputs: ['main'],
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properties: [],
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},
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execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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return this.prepareOutputData(items);
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},
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},
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},
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'n8n-nodes-base.cron': {
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sourcePath: '',
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type: {
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description: {
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displayName: 'Cron',
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name: 'cron',
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icon: 'fa:calendar',
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group: ['trigger', 'schedule'],
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version: 1,
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description: 'Triggers the workflow at a specific time',
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eventTriggerDescription: '',
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activationMessage:
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'Your cron trigger will now trigger executions on the schedule you have defined.',
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defaults: {
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name: 'Cron',
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color: '#00FF00',
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},
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inputs: [],
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outputs: ['main'],
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properties: [
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{
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displayName: 'Trigger Times',
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name: 'triggerTimes',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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multipleValueButtonText: 'Add Time',
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},
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default: {},
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description: 'Triggers for the workflow',
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placeholder: 'Add Cron Time',
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options: [
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{
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name: 'item',
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displayName: 'Item',
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values: [
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{
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displayName: 'Mode',
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name: 'mode',
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type: 'options',
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options: [
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{
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name: 'Every Minute',
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value: 'everyMinute',
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},
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{
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name: 'Every Hour',
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value: 'everyHour',
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},
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{
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name: 'Every Day',
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value: 'everyDay',
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},
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{
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name: 'Every Week',
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value: 'everyWeek',
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},
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{
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name: 'Every Month',
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value: 'everyMonth',
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},
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{
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name: 'Every X',
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value: 'everyX',
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},
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{
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name: 'Custom',
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value: 'custom',
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},
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],
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default: 'everyDay',
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description: 'How often to trigger.',
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},
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{
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displayName: 'Hour',
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name: 'hour',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 23,
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},
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displayOptions: {
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hide: {
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mode: ['custom', 'everyHour', 'everyMinute', 'everyX'],
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},
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},
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default: 14,
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description: 'The hour of the day to trigger (24h format).',
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},
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{
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displayName: 'Minute',
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name: 'minute',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 59,
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},
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displayOptions: {
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hide: {
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mode: ['custom', 'everyMinute', 'everyX'],
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},
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},
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default: 0,
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description: 'The minute of the day to trigger.',
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},
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{
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displayName: 'Day of Month',
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name: 'dayOfMonth',
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type: 'number',
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displayOptions: {
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show: {
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mode: ['everyMonth'],
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},
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},
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typeOptions: {
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minValue: 1,
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maxValue: 31,
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},
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default: 1,
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description: 'The day of the month to trigger.',
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},
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{
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displayName: 'Weekday',
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name: 'weekday',
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type: 'options',
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displayOptions: {
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show: {
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mode: ['everyWeek'],
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},
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},
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options: [
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{
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name: 'Monday',
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value: '1',
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},
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{
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name: 'Tuesday',
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value: '2',
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},
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{
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name: 'Wednesday',
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value: '3',
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},
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{
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name: 'Thursday',
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value: '4',
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},
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{
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name: 'Friday',
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value: '5',
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},
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{
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name: 'Saturday',
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value: '6',
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},
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{
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name: 'Sunday',
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value: '0',
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},
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],
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default: '1',
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description: 'The weekday to trigger.',
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},
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{
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displayName: 'Cron Expression',
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name: 'cronExpression',
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type: 'string',
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displayOptions: {
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show: {
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mode: ['custom'],
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},
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},
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default: '* * * * * *',
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description:
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'Use custom cron expression. Values and ranges as follows:<ul><li>Seconds: 0-59</li><li>Minutes: 0 - 59</li><li>Hours: 0 - 23</li><li>Day of Month: 1 - 31</li><li>Months: 0 - 11 (Jan - Dec)</li><li>Day of Week: 0 - 6 (Sun - Sat)</li></ul>.',
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},
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{
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displayName: 'Value',
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name: 'value',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 1000,
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},
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displayOptions: {
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show: {
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mode: ['everyX'],
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},
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},
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default: 2,
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description: 'All how many X minutes/hours it should trigger.',
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},
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{
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displayName: 'Unit',
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name: 'unit',
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type: 'options',
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displayOptions: {
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show: {
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mode: ['everyX'],
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},
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},
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options: [
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{
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name: 'Minutes',
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value: 'minutes',
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},
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{
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name: 'Hours',
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value: 'hours',
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},
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],
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default: 'hours',
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description: 'If it should trigger all X minutes or hours.',
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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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async trigger(this: ITriggerFunctions): Promise<ITriggerResponse> {
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const triggerTimes = this.getNodeParameter('triggerTimes') as unknown as {
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item: TriggerTime[];
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};
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// Define the order the cron-time-parameter appear
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const parameterOrder = [
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'second', // 0 - 59
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'minute', // 0 - 59
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'hour', // 0 - 23
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'dayOfMonth', // 1 - 31
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'month', // 0 - 11(Jan - Dec)
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'weekday', // 0 - 6(Sun - Sat)
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];
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// Get all the trigger times
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const cronTimes: string[] = [];
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let cronTime: string[];
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let parameterName: string;
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if (triggerTimes.item !== undefined) {
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for (const item of triggerTimes.item) {
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cronTime = [];
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if (item.mode === 'custom') {
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cronTimes.push(item.cronExpression as string);
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continue;
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}
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if (item.mode === 'everyMinute') {
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cronTimes.push(`${Math.floor(Math.random() * 60).toString()} * * * * *`);
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continue;
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}
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if (item.mode === 'everyX') {
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if (item.unit === 'minutes') {
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cronTimes.push(
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`${Math.floor(Math.random() * 60).toString()} */${item.value} * * * *`,
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);
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} else if (item.unit === 'hours') {
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cronTimes.push(
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`${Math.floor(Math.random() * 60).toString()} 0 */${item.value} * * *`,
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);
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}
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continue;
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}
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for (parameterName of parameterOrder) {
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if (item[parameterName] !== undefined) {
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// Value is set so use it
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cronTime.push(item[parameterName] as string);
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} else if (parameterName === 'second') {
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// For seconds we use by default a random one to make sure to
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// balance the load a little bit over time
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cronTime.push(Math.floor(Math.random() * 60).toString());
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} else {
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// For all others set "any"
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cronTime.push('*');
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}
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}
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cronTimes.push(cronTime.join(' '));
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}
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}
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// The trigger function to execute when the cron-time got reached
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// or when manually triggered
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const executeTrigger = () => {
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this.emit([this.helpers.returnJsonArray([{}])]);
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};
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const timezone = this.getTimezone();
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// Start the cron-jobs
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const cronJobs: CronJob[] = [];
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for (const cronTime of cronTimes) {
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cronJobs.push(new CronJob(cronTime, executeTrigger, undefined, true, timezone));
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}
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// Stop the cron-jobs
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async function closeFunction() {
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for (const cronJob of cronJobs) {
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cronJob.stop();
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}
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}
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async function manualTriggerFunction() {
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executeTrigger();
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}
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return {
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closeFunction,
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manualTriggerFunction,
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};
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},
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},
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},
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'n8n-nodes-base.set': {
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sourcePath: '',
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type: {
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description: {
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displayName: 'Set',
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name: 'set',
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icon: 'fa:pen',
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group: ['input'],
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version: 1,
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description: 'Sets values on items and optionally remove other values',
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defaults: {
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name: 'Set',
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color: '#0000FF',
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},
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inputs: ['main'],
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outputs: ['main'],
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properties: [
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{
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displayName: 'Keep Only Set',
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name: 'keepOnlySet',
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type: 'boolean',
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default: false,
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description:
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'If only the values set on this node should be kept and all others removed.',
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},
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{
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displayName: 'Values to Set',
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name: 'values',
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placeholder: 'Add Value',
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type: 'fixedCollection',
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typeOptions: {
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multipleValues: true,
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sortable: true,
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},
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description: 'The value to set.',
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default: {},
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options: [
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{
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name: 'boolean',
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displayName: 'Boolean',
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values: [
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{
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displayName: 'Name',
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name: 'name',
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type: 'string',
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default: 'propertyName',
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description:
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'Name of the property to write data to. Supports dot-notation. Example: "data.person[0].name"',
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},
|
|
{
|
|
displayName: 'Value',
|
|
name: 'value',
|
|
type: 'boolean',
|
|
default: false,
|
|
description: 'The boolean value to write in the property.',
|
|
},
|
|
],
|
|
},
|
|
{
|
|
name: 'number',
|
|
displayName: 'Number',
|
|
values: [
|
|
{
|
|
displayName: 'Name',
|
|
name: 'name',
|
|
type: 'string',
|
|
default: 'propertyName',
|
|
description:
|
|
'Name of the property to write data to. Supports dot-notation. Example: "data.person[0].name"',
|
|
},
|
|
{
|
|
displayName: 'Value',
|
|
name: 'value',
|
|
type: 'number',
|
|
default: 0,
|
|
description: 'The number value to write in the property.',
|
|
},
|
|
],
|
|
},
|
|
{
|
|
name: 'string',
|
|
displayName: 'String',
|
|
values: [
|
|
{
|
|
displayName: 'Name',
|
|
name: 'name',
|
|
type: 'string',
|
|
default: 'propertyName',
|
|
description:
|
|
'Name of the property to write data to. Supports dot-notation. Example: "data.person[0].name"',
|
|
},
|
|
{
|
|
displayName: 'Value',
|
|
name: 'value',
|
|
type: 'string',
|
|
default: '',
|
|
description: 'The string value to write in the property.',
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
|
|
{
|
|
displayName: 'Options',
|
|
name: 'options',
|
|
type: 'collection',
|
|
placeholder: 'Add Option',
|
|
default: {},
|
|
options: [
|
|
{
|
|
displayName: 'Dot Notation',
|
|
name: 'dotNotation',
|
|
type: 'boolean',
|
|
default: true,
|
|
description: `<p>By default, dot-notation is used in property names. This means that "a.b" will set the property "b" underneath "a" so { "a": { "b": value} }.<p></p>If that is not intended this can be deactivated, it will then set { "a.b": value } instead.</p>
|
|
`,
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
|
|
const items = this.getInputData();
|
|
|
|
if (items.length === 0) {
|
|
items.push({ json: {} });
|
|
}
|
|
|
|
const returnData: INodeExecutionData[] = [];
|
|
|
|
let item: INodeExecutionData;
|
|
let keepOnlySet: boolean;
|
|
for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
|
|
keepOnlySet = this.getNodeParameter('keepOnlySet', itemIndex, false) as boolean;
|
|
item = items[itemIndex];
|
|
const options = this.getNodeParameter('options', itemIndex, {}) as IDataObject;
|
|
|
|
const newItem: INodeExecutionData = {
|
|
json: {},
|
|
};
|
|
|
|
if (keepOnlySet !== true) {
|
|
if (item.binary !== undefined) {
|
|
// Create a shallow copy of the binary data so that the old
|
|
// data references which do not get changed still stay behind
|
|
// but the incoming data does not get changed.
|
|
newItem.binary = {};
|
|
Object.assign(newItem.binary, item.binary);
|
|
}
|
|
|
|
newItem.json = JSON.parse(JSON.stringify(item.json));
|
|
}
|
|
|
|
// Add boolean values
|
|
(this.getNodeParameter('values.boolean', itemIndex, []) as INodeParameters[]).forEach(
|
|
(setItem) => {
|
|
if (options.dotNotation === false) {
|
|
newItem.json[setItem.name as string] = !!setItem.value;
|
|
} else {
|
|
set(newItem.json, setItem.name as string, !!setItem.value);
|
|
}
|
|
},
|
|
);
|
|
|
|
// Add number values
|
|
(this.getNodeParameter('values.number', itemIndex, []) as INodeParameters[]).forEach(
|
|
(setItem) => {
|
|
if (options.dotNotation === false) {
|
|
newItem.json[setItem.name as string] = setItem.value;
|
|
} else {
|
|
set(newItem.json, setItem.name as string, setItem.value);
|
|
}
|
|
},
|
|
);
|
|
|
|
// Add string values
|
|
(this.getNodeParameter('values.string', itemIndex, []) as INodeParameters[]).forEach(
|
|
(setItem) => {
|
|
if (options.dotNotation === false) {
|
|
newItem.json[setItem.name as string] = setItem.value;
|
|
} else {
|
|
set(newItem.json, setItem.name as string, setItem.value);
|
|
}
|
|
},
|
|
);
|
|
|
|
returnData.push(newItem);
|
|
}
|
|
|
|
return this.prepareOutputData(returnData);
|
|
},
|
|
},
|
|
},
|
|
};
|
|
|
|
await NodeTypes().init(types);
|
|
}
|
|
|
|
/**
|
|
* Initialize a logger for test runs.
|
|
*/
|
|
export function initTestLogger() {
|
|
LoggerProxy.init(getLogger());
|
|
}
|
|
|
|
/**
|
|
* Initialize a BinaryManager for test runs.
|
|
*/
|
|
export async function initBinaryManager() {
|
|
const binaryDataConfig = config.getEnv('binaryDataManager');
|
|
await BinaryDataManager.init(binaryDataConfig);
|
|
}
|
|
|
|
/**
|
|
* Initialize a user settings config file if non-existent.
|
|
*/
|
|
export function initConfigFile() {
|
|
const settingsPath = UserSettings.getUserSettingsPath();
|
|
|
|
if (!existsSync(settingsPath)) {
|
|
const userSettings = { encryptionKey: randomBytes(24).toString('base64') };
|
|
UserSettings.writeUserSettings(userSettings, settingsPath);
|
|
}
|
|
}
|
|
|
|
// ----------------------------------
|
|
// request agent
|
|
// ----------------------------------
|
|
|
|
/**
|
|
* Create a request agent, optionally with an auth cookie.
|
|
*/
|
|
export function createAgent(
|
|
app: express.Application,
|
|
options?: { auth: boolean; user: User; apiPath?: ApiPath; version?: string | number },
|
|
) {
|
|
const agent = request.agent(app);
|
|
|
|
if (options?.apiPath === undefined || options?.apiPath === 'internal') {
|
|
agent.use(prefix(REST_PATH_SEGMENT));
|
|
if (options?.auth && options?.user) {
|
|
const { token } = issueJWT(options.user);
|
|
agent.jar.setCookie(`${AUTH_COOKIE_NAME}=${token}`);
|
|
}
|
|
}
|
|
|
|
if (options?.apiPath === 'public') {
|
|
agent.use(prefix(`${PUBLIC_API_REST_PATH_SEGMENT}/v${options?.version}`));
|
|
|
|
if (options?.auth && options?.user.apiKey) {
|
|
agent.set({ 'X-N8N-API-KEY': options.user.apiKey });
|
|
}
|
|
}
|
|
|
|
return agent;
|
|
}
|
|
|
|
/**
|
|
* Plugin to prefix a path segment into a request URL pathname.
|
|
*
|
|
* Example: http://127.0.0.1:62100/me/password → http://127.0.0.1:62100/rest/me/password
|
|
*/
|
|
export function prefix(pathSegment: string) {
|
|
return function (request: superagent.SuperAgentRequest) {
|
|
const url = new URL(request.url);
|
|
|
|
// enforce consistency at call sites
|
|
if (url.pathname[0] !== '/') {
|
|
throw new Error('Pathname must start with a forward slash');
|
|
}
|
|
|
|
url.pathname = pathSegment + url.pathname;
|
|
request.url = url.toString();
|
|
return request;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Extract the value (token) of the auth cookie in a response.
|
|
*/
|
|
export function getAuthToken(response: request.Response, authCookieName = AUTH_COOKIE_NAME) {
|
|
const cookies: string[] = response.headers['set-cookie'];
|
|
|
|
if (!cookies) return undefined;
|
|
|
|
const authCookie = cookies.find((c) => c.startsWith(`${authCookieName}=`));
|
|
|
|
if (!authCookie) return undefined;
|
|
|
|
const match = authCookie.match(new RegExp(`(^| )${authCookieName}=(?<token>[^;]+)`));
|
|
|
|
if (!match || !match.groups) return undefined;
|
|
|
|
return match.groups.token;
|
|
}
|
|
|
|
// ----------------------------------
|
|
// settings
|
|
// ----------------------------------
|
|
|
|
export async function isInstanceOwnerSetUp() {
|
|
const { value } = await Db.collections.Settings.findOneOrFail({
|
|
key: 'userManagement.isInstanceOwnerSetUp',
|
|
});
|
|
|
|
return Boolean(value);
|
|
}
|
|
|
|
// ----------------------------------
|
|
// misc
|
|
// ----------------------------------
|
|
|
|
/**
|
|
* Categorize array items into two groups based on whether they pass a test.
|
|
*/
|
|
export const categorize = <T>(arr: T[], test: (str: T) => boolean) => {
|
|
return arr.reduce<{ pass: T[]; fail: T[] }>(
|
|
(acc, cur) => {
|
|
test(cur) ? acc.pass.push(cur) : acc.fail.push(cur);
|
|
|
|
return acc;
|
|
},
|
|
{ pass: [], fail: [] },
|
|
);
|
|
};
|
|
|
|
export function getPostgresSchemaSection(
|
|
schema = config.getSchema(),
|
|
): PostgresSchemaSection | null {
|
|
for (const [key, value] of Object.entries(schema)) {
|
|
if (key === 'postgresdb') {
|
|
return value._cvtProperties;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|