mirror of
https://github.com/n8n-io/n8n.git
synced 2024-09-21 15:27:32 -07:00
758 lines
20 KiB
TypeScript
758 lines
20 KiB
TypeScript
import { randomBytes } from 'crypto';
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import { existsSync } from 'fs';
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import bodyParser from 'body-parser';
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import { CronJob } from 'cron';
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import express from 'express';
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import set from 'lodash.set';
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import { BinaryDataManager, UserSettings } from 'n8n-core';
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import {
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ICredentialType,
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ICredentialTypes,
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IDataObject,
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IExecuteFunctions,
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INode,
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INodeExecutionData,
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INodeParameters,
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INodesAndCredentials,
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ITriggerFunctions,
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ITriggerResponse,
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LoggerProxy,
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NodeHelpers,
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toCronExpression,
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TriggerTime,
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} from 'n8n-workflow';
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import type { N8nApp } from '@/UserManagement/Interfaces';
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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 config from '@/config';
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import * as Db from '@/Db';
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import { WorkflowEntity } from '@db/entities/WorkflowEntity';
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import { CredentialTypes } from '@/CredentialTypes';
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import { ExternalHooks } from '@/ExternalHooks';
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import { InternalHooksManager } from '@/InternalHooksManager';
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import { NodeTypes } from '@/NodeTypes';
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import * as ActiveWorkflowRunner from '@/ActiveWorkflowRunner';
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import { meNamespace as meEndpoints } from '@/UserManagement/routes/me';
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import { usersNamespace as usersEndpoints } from '@/UserManagement/routes/users';
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import { authenticationMethods as authEndpoints } from '@/UserManagement/routes/auth';
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import { ownerNamespace as ownerEndpoints } from '@/UserManagement/routes/owner';
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import { passwordResetNamespace as passwordResetEndpoints } from '@/UserManagement/routes/passwordReset';
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import { nodesController } from '@/api/nodes.api';
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import { workflowsController } from '@/workflows/workflows.controller';
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import { AUTH_COOKIE_NAME, NODE_PACKAGE_PREFIX } from '@/constants';
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import { credentialsController } from '@/credentials/credentials.controller';
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import { InstalledPackages } from '@db/entities/InstalledPackages';
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import type { User } from '@db/entities/User';
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import { getLogger } from '@/Logger';
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import { loadPublicApiVersions } from '@/PublicApi/';
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import { issueJWT } from '@/UserManagement/auth/jwt';
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import { addRoutes as authMiddleware } from '@/UserManagement/routes';
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import {
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AUTHLESS_ENDPOINTS,
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COMMUNITY_NODE_VERSION,
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COMMUNITY_PACKAGE_VERSION,
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PUBLIC_API_REST_PATH_SEGMENT,
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REST_PATH_SEGMENT,
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} from './constants';
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import { randomName } from './random';
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import type {
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ApiPath,
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EndpointGroup,
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InstalledNodePayload,
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InstalledPackagePayload,
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PostgresSchemaSection,
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} from './types';
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import { licenseController } from '@/license/license.controller';
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import { eventBusRouter } from '@/eventbus/eventBusRoutes';
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import { v4 as uuid } from 'uuid';
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import { handleLdapInit } from '../../../src/Ldap/helpers';
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import { ldapController } from '@/Ldap/routes/ldap.controller.ee';
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const loadNodesAndCredentials: INodesAndCredentials = {
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loaded: { nodes: {}, credentials: {} },
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known: { nodes: {}, credentials: {} },
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credentialTypes: {} as ICredentialTypes,
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};
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const mockNodeTypes = NodeTypes(loadNodesAndCredentials);
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CredentialTypes(loadNodesAndCredentials);
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/**
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* Initialize a 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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enablePublicAPI = false,
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}: {
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applyAuth: boolean;
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endpointGroups?: EndpointGroup[];
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enablePublicAPI?: boolean;
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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 (
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endpointGroups.includes('credentials') ||
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endpointGroups.includes('me') ||
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endpointGroups.includes('users') ||
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endpointGroups.includes('passwordReset')
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) {
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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 map: Record<string, express.Router | express.Router[] | any> = {
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credentials: { controller: credentialsController, path: 'credentials' },
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workflows: { controller: workflowsController, path: 'workflows' },
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nodes: { controller: nodesController, path: 'nodes' },
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license: { controller: licenseController, path: 'license' },
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eventBus: { controller: eventBusRouter, path: 'eventbus' },
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ldap: { controller: ldapController, path: 'ldap' },
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};
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if (enablePublicAPI) {
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const { apiRouters } = await loadPublicApiVersions(testServer.publicApiEndpoint);
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map.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(`/${testServer.restEndpoint}/${map[group].path}`, map[group].controller);
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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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void InternalHooksManager.init('test-instance-id', 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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const ROUTER_GROUP = [
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'credentials',
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'nodes',
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'workflows',
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'publicApi',
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'ldap',
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'eventBus',
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'license',
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];
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endpointGroups.forEach((group) =>
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(ROUTER_GROUP.includes(group) ? routerEndpoints : functionEndpoints).push(group),
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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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required: true,
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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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required: true,
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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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required: true,
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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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loadNodesAndCredentials.loaded.credentials = {
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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 LDAP manager.
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*/
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export async function initLdapManager(): Promise<void> {
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await handleLdapInit();
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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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loadNodesAndCredentials.loaded.nodes = {
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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: NodeHelpers.cronNodeOptions,
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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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// Get all the trigger times
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const cronTimes = (triggerTimes.item || []).map(toCronExpression);
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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 = cronTimes.map(
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(cronTime) => 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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},
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{
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displayName: 'Value',
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name: 'value',
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type: 'boolean',
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default: false,
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description: 'The boolean value to write in the property.',
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},
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],
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},
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{
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name: 'number',
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displayName: 'Number',
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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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},
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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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default: 0,
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description: 'The number value to write in the property.',
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},
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],
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},
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{
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name: 'string',
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displayName: 'String',
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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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},
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{
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displayName: 'Value',
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name: 'value',
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type: 'string',
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default: '',
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description: 'The string value to write in the property.',
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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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displayName: 'Options',
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name: 'options',
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type: 'collection',
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placeholder: 'Add Option',
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default: {},
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options: [
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{
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displayName: 'Dot Notation',
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name: 'dotNotation',
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type: 'boolean',
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default: true,
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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>
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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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execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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if (items.length === 0) {
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items.push({ json: {} });
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}
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const returnData: INodeExecutionData[] = [];
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let item: INodeExecutionData;
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let keepOnlySet: boolean;
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for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
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keepOnlySet = this.getNodeParameter('keepOnlySet', itemIndex, false) as boolean;
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item = items[itemIndex];
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const options = this.getNodeParameter('options', itemIndex, {}) as IDataObject;
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const newItem: INodeExecutionData = {
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json: {},
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};
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if (keepOnlySet !== true) {
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if (item.binary !== undefined) {
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// Create a shallow copy of the binary data so that the old
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// data references which do not get changed still stay behind
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// but the incoming data does not get changed.
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newItem.binary = {};
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Object.assign(newItem.binary, item.binary);
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}
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newItem.json = JSON.parse(JSON.stringify(item.json));
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}
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// Add boolean values
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(this.getNodeParameter('values.boolean', itemIndex, []) as INodeParameters[]).forEach(
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(setItem) => {
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if (options.dotNotation === false) {
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newItem.json[setItem.name as string] = !!setItem.value;
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} else {
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set(newItem.json, setItem.name as string, !!setItem.value);
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}
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},
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);
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// Add number values
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(this.getNodeParameter('values.number', itemIndex, []) as INodeParameters[]).forEach(
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(setItem) => {
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if (options.dotNotation === false) {
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newItem.json[setItem.name as string] = setItem.value;
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} else {
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set(newItem.json, setItem.name as string, setItem.value);
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}
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},
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);
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// Add string values
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(this.getNodeParameter('values.string', itemIndex, []) as INodeParameters[]).forEach(
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(setItem) => {
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if (options.dotNotation === false) {
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newItem.json[setItem.name as string] = setItem.value;
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} else {
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set(newItem.json, setItem.name as string, setItem.value);
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}
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},
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);
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returnData.push(newItem);
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}
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return this.prepareOutputData(returnData);
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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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* Initialize a logger for test runs.
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|
*/
|
|
export function initTestLogger() {
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LoggerProxy.init(getLogger());
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}
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|
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/**
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* Initialize a BinaryManager for test runs.
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|
*/
|
|
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;
|
|
}
|
|
|
|
export function createAuthAgent(app: express.Application) {
|
|
return (user: User) => createAgent(app, { auth: true, user });
|
|
}
|
|
|
|
/**
|
|
* 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.findOneByOrFail({
|
|
key: 'userManagement.isInstanceOwnerSetUp',
|
|
});
|
|
|
|
return Boolean(value);
|
|
}
|
|
|
|
// ----------------------------------
|
|
// misc
|
|
// ----------------------------------
|
|
|
|
export function getPostgresSchemaSection(
|
|
schema = config.getSchema(),
|
|
): PostgresSchemaSection | null {
|
|
for (const [key, value] of Object.entries(schema)) {
|
|
if (key === 'postgresdb') {
|
|
return value._cvtProperties;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// ----------------------------------
|
|
// community nodes
|
|
// ----------------------------------
|
|
|
|
export function installedPackagePayload(): InstalledPackagePayload {
|
|
return {
|
|
packageName: NODE_PACKAGE_PREFIX + randomName(),
|
|
installedVersion: COMMUNITY_PACKAGE_VERSION.CURRENT,
|
|
};
|
|
}
|
|
|
|
export function installedNodePayload(packageName: string): InstalledNodePayload {
|
|
const nodeName = randomName();
|
|
return {
|
|
name: nodeName,
|
|
type: nodeName,
|
|
latestVersion: COMMUNITY_NODE_VERSION.CURRENT,
|
|
package: packageName,
|
|
};
|
|
}
|
|
|
|
export const emptyPackage = () => {
|
|
const installedPackage = new InstalledPackages();
|
|
installedPackage.installedNodes = [];
|
|
|
|
return Promise.resolve(installedPackage);
|
|
};
|
|
|
|
// ----------------------------------
|
|
// workflow
|
|
// ----------------------------------
|
|
|
|
export function makeWorkflow(options?: {
|
|
withPinData: boolean;
|
|
withCredential?: { id: string; name: string };
|
|
}) {
|
|
const workflow = new WorkflowEntity();
|
|
|
|
const node: INode = {
|
|
id: uuid(),
|
|
name: 'Cron',
|
|
type: 'n8n-nodes-base.cron',
|
|
parameters: {},
|
|
typeVersion: 1,
|
|
position: [740, 240],
|
|
};
|
|
|
|
if (options?.withCredential) {
|
|
node.credentials = {
|
|
spotifyApi: options.withCredential,
|
|
};
|
|
}
|
|
|
|
workflow.name = 'My Workflow';
|
|
workflow.active = false;
|
|
workflow.connections = {};
|
|
workflow.nodes = [node];
|
|
|
|
if (options?.withPinData) {
|
|
workflow.pinData = MOCK_PINDATA;
|
|
}
|
|
|
|
return workflow;
|
|
}
|
|
|
|
export const MOCK_PINDATA = { Spotify: [{ json: { myKey: 'myValue' } }] };
|