mirror of
https://github.com/n8n-io/n8n.git
synced 2024-12-25 04:34:06 -08:00
8d2c6cc073
* Added fallback when port in use
* ⚡ Minor Fixes
2954 lines
92 KiB
TypeScript
2954 lines
92 KiB
TypeScript
/* eslint-disable @typescript-eslint/no-use-before-define */
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/* eslint-disable @typescript-eslint/await-thenable */
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/* eslint-disable new-cap */
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/* eslint-disable prefer-const */
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/* eslint-disable @typescript-eslint/no-invalid-void-type */
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/* eslint-disable no-return-assign */
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/* eslint-disable no-param-reassign */
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/* eslint-disable consistent-return */
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/* eslint-disable import/no-cycle */
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/* eslint-disable import/no-extraneous-dependencies */
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/* eslint-disable @typescript-eslint/restrict-template-expressions */
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/* eslint-disable @typescript-eslint/no-non-null-assertion */
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/* eslint-disable id-denylist */
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/* eslint-disable no-console */
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/* eslint-disable global-require */
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/* eslint-disable @typescript-eslint/no-var-requires */
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/* eslint-disable @typescript-eslint/no-shadow */
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/* eslint-disable @typescript-eslint/no-unsafe-call */
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/* eslint-disable @typescript-eslint/return-await */
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/* eslint-disable @typescript-eslint/no-unsafe-return */
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/* eslint-disable @typescript-eslint/no-unused-vars */
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/* eslint-disable no-continue */
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/* eslint-disable @typescript-eslint/no-unsafe-member-access */
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/* eslint-disable @typescript-eslint/no-explicit-any */
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/* eslint-disable no-restricted-syntax */
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/* eslint-disable @typescript-eslint/no-unsafe-assignment */
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import * as express from 'express';
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import { readFileSync } from 'fs';
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import { dirname as pathDirname, join as pathJoin, resolve as pathResolve } from 'path';
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import { FindManyOptions, getConnectionManager, In, IsNull, LessThanOrEqual, Not } from 'typeorm';
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import * as bodyParser from 'body-parser';
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import * as history from 'connect-history-api-fallback';
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import * as os from 'os';
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// eslint-disable-next-line import/no-extraneous-dependencies
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import * as _ from 'lodash';
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import * as clientOAuth2 from 'client-oauth2';
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import * as clientOAuth1 from 'oauth-1.0a';
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import { RequestOptions } from 'oauth-1.0a';
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import * as csrf from 'csrf';
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import * as requestPromise from 'request-promise-native';
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import { createHmac } from 'crypto';
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// IMPORTANT! Do not switch to anther bcrypt library unless really necessary and
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// tested with all possible systems like Windows, Alpine on ARM, FreeBSD, ...
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import { compare } from 'bcryptjs';
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import * as promClient from 'prom-client';
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import {
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Credentials,
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ICredentialTestFunctions,
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LoadNodeParameterOptions,
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NodeExecuteFunctions,
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UserSettings,
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} from 'n8n-core';
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import {
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ICredentialsDecrypted,
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ICredentialType,
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IDataObject,
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INodeCredentials,
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INodeCredentialsDetails,
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INodeParameters,
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INodePropertyOptions,
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INodeType,
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INodeTypeDescription,
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INodeTypeNameVersion,
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INodeVersionedType,
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ITelemetrySettings,
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IWorkflowBase,
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LoggerProxy,
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NodeCredentialTestRequest,
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NodeCredentialTestResult,
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NodeHelpers,
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Workflow,
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ICredentialsEncrypted,
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WorkflowExecuteMode,
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} from 'n8n-workflow';
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import { NodeVersionedType } from 'n8n-nodes-base';
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import * as basicAuth from 'basic-auth';
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import * as compression from 'compression';
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import * as jwt from 'jsonwebtoken';
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import * as jwks from 'jwks-rsa';
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// @ts-ignore
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import * as timezones from 'google-timezones-json';
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import * as parseUrl from 'parseurl';
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import * as querystring from 'querystring';
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import { OptionsWithUrl } from 'request-promise-native';
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import { Registry } from 'prom-client';
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import * as Queue from './Queue';
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import {
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ActiveExecutions,
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ActiveWorkflowRunner,
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CredentialsHelper,
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CredentialsOverwrites,
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CredentialTypes,
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DatabaseType,
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Db,
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ExternalHooks,
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GenericHelpers,
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IActivationError,
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ICredentialsDb,
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ICredentialsDecryptedDb,
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ICredentialsDecryptedResponse,
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ICredentialsOverwrite,
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ICredentialsResponse,
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ICustomRequest,
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IExecutionDeleteFilter,
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IExecutionFlatted,
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IExecutionFlattedDb,
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IExecutionFlattedResponse,
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IExecutionPushResponse,
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IExecutionResponse,
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IExecutionsListResponse,
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IExecutionsStopData,
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IExecutionsSummary,
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IExternalHooksClass,
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IDiagnosticInfo,
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IN8nUISettings,
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IPackageVersions,
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ITagWithCountDb,
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IWorkflowExecutionDataProcess,
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IWorkflowResponse,
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IPersonalizationSurveyAnswers,
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NodeTypes,
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Push,
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ResponseHelper,
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TestWebhooks,
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WaitTracker,
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WaitTrackerClass,
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WebhookHelpers,
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WebhookServer,
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WorkflowExecuteAdditionalData,
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WorkflowHelpers,
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WorkflowRunner,
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} from '.';
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import * as config from '../config';
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import * as TagHelpers from './TagHelpers';
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import * as PersonalizationSurvey from './PersonalizationSurvey';
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import { InternalHooksManager } from './InternalHooksManager';
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import { TagEntity } from './databases/entities/TagEntity';
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import { WorkflowEntity } from './databases/entities/WorkflowEntity';
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import { NameRequest } from './WorkflowHelpers';
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require('body-parser-xml')(bodyParser);
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class App {
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app: express.Application;
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activeWorkflowRunner: ActiveWorkflowRunner.ActiveWorkflowRunner;
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testWebhooks: TestWebhooks.TestWebhooks;
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endpointWebhook: string;
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endpointWebhookWaiting: string;
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endpointWebhookTest: string;
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endpointPresetCredentials: string;
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externalHooks: IExternalHooksClass;
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waitTracker: WaitTrackerClass;
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defaultWorkflowName: string;
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defaultCredentialsName: string;
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saveDataErrorExecution: string;
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saveDataSuccessExecution: string;
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saveManualExecutions: boolean;
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executionTimeout: number;
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maxExecutionTimeout: number;
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timezone: string;
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activeExecutionsInstance: ActiveExecutions.ActiveExecutions;
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push: Push.Push;
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versions: IPackageVersions | undefined;
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restEndpoint: string;
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frontendSettings: IN8nUISettings;
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protocol: string;
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sslKey: string;
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sslCert: string;
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payloadSizeMax: number;
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presetCredentialsLoaded: boolean;
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constructor() {
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this.app = express();
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this.endpointWebhook = config.get('endpoints.webhook') as string;
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this.endpointWebhookWaiting = config.get('endpoints.webhookWaiting') as string;
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this.endpointWebhookTest = config.get('endpoints.webhookTest') as string;
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this.defaultWorkflowName = config.get('workflows.defaultName') as string;
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this.defaultCredentialsName = config.get('credentials.defaultName') as string;
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this.saveDataErrorExecution = config.get('executions.saveDataOnError') as string;
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this.saveDataSuccessExecution = config.get('executions.saveDataOnSuccess') as string;
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this.saveManualExecutions = config.get('executions.saveDataManualExecutions') as boolean;
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this.executionTimeout = config.get('executions.timeout') as number;
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this.maxExecutionTimeout = config.get('executions.maxTimeout') as number;
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this.payloadSizeMax = config.get('endpoints.payloadSizeMax') as number;
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this.timezone = config.get('generic.timezone') as string;
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this.restEndpoint = config.get('endpoints.rest') as string;
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this.activeWorkflowRunner = ActiveWorkflowRunner.getInstance();
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this.testWebhooks = TestWebhooks.getInstance();
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this.push = Push.getInstance();
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this.activeExecutionsInstance = ActiveExecutions.getInstance();
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this.waitTracker = WaitTracker();
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this.protocol = config.get('protocol');
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this.sslKey = config.get('ssl_key');
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this.sslCert = config.get('ssl_cert');
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this.externalHooks = ExternalHooks();
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this.presetCredentialsLoaded = false;
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this.endpointPresetCredentials = config.get('credentials.overwrite.endpoint') as string;
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const urlBaseWebhook = WebhookHelpers.getWebhookBaseUrl();
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const telemetrySettings: ITelemetrySettings = {
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enabled: config.get('diagnostics.enabled') as boolean,
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};
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if (telemetrySettings.enabled) {
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const conf = config.get('diagnostics.config.frontend') as string;
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const [key, url] = conf.split(';');
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if (!key || !url) {
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LoggerProxy.warn('Diagnostics frontend config is invalid');
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telemetrySettings.enabled = false;
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}
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telemetrySettings.config = { key, url };
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}
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this.frontendSettings = {
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endpointWebhook: this.endpointWebhook,
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endpointWebhookTest: this.endpointWebhookTest,
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saveDataErrorExecution: this.saveDataErrorExecution,
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saveDataSuccessExecution: this.saveDataSuccessExecution,
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saveManualExecutions: this.saveManualExecutions,
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executionTimeout: this.executionTimeout,
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maxExecutionTimeout: this.maxExecutionTimeout,
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timezone: this.timezone,
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urlBaseWebhook,
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versionCli: '',
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oauthCallbackUrls: {
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oauth1: `${urlBaseWebhook}${this.restEndpoint}/oauth1-credential/callback`,
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oauth2: `${urlBaseWebhook}${this.restEndpoint}/oauth2-credential/callback`,
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},
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versionNotifications: {
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enabled: config.get('versionNotifications.enabled'),
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endpoint: config.get('versionNotifications.endpoint'),
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infoUrl: config.get('versionNotifications.infoUrl'),
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},
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instanceId: '',
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telemetry: telemetrySettings,
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personalizationSurvey: {
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shouldShow: false,
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},
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};
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}
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/**
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* Returns the current epoch time
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*
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* @returns {number}
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* @memberof App
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*/
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getCurrentDate(): Date {
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return new Date();
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}
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async config(): Promise<void> {
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const enableMetrics = config.get('endpoints.metrics.enable') as boolean;
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let register: Registry;
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if (enableMetrics) {
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const prefix = config.get('endpoints.metrics.prefix') as string;
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register = new promClient.Registry();
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register.setDefaultLabels({ prefix });
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promClient.collectDefaultMetrics({ register });
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}
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this.versions = await GenericHelpers.getVersions();
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this.frontendSettings.versionCli = this.versions.cli;
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this.frontendSettings.instanceId = await UserSettings.getInstanceId();
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this.frontendSettings.personalizationSurvey =
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await PersonalizationSurvey.preparePersonalizationSurvey();
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await this.externalHooks.run('frontend.settings', [this.frontendSettings]);
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const excludeEndpoints = config.get('security.excludeEndpoints') as string;
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const ignoredEndpoints = [
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'healthz',
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'metrics',
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this.endpointWebhook,
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this.endpointWebhookTest,
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this.endpointPresetCredentials,
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];
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// eslint-disable-next-line prefer-spread
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ignoredEndpoints.push.apply(ignoredEndpoints, excludeEndpoints.split(':'));
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// eslint-disable-next-line no-useless-escape
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const authIgnoreRegex = new RegExp(`^\/(${_(ignoredEndpoints).compact().join('|')})\/?.*$`);
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// Check for basic auth credentials if activated
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const basicAuthActive = config.get('security.basicAuth.active') as boolean;
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if (basicAuthActive) {
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const basicAuthUser = (await GenericHelpers.getConfigValue(
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'security.basicAuth.user',
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)) as string;
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if (basicAuthUser === '') {
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throw new Error('Basic auth is activated but no user got defined. Please set one!');
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}
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const basicAuthPassword = (await GenericHelpers.getConfigValue(
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'security.basicAuth.password',
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)) as string;
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if (basicAuthPassword === '') {
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throw new Error('Basic auth is activated but no password got defined. Please set one!');
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}
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const basicAuthHashEnabled = (await GenericHelpers.getConfigValue(
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'security.basicAuth.hash',
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)) as boolean;
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let validPassword: null | string = null;
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this.app.use(
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async (req: express.Request, res: express.Response, next: express.NextFunction) => {
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if (authIgnoreRegex.exec(req.url)) {
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return next();
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}
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const realm = 'n8n - Editor UI';
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const basicAuthData = basicAuth(req);
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if (basicAuthData === undefined) {
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// Authorization data is missing
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return ResponseHelper.basicAuthAuthorizationError(
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res,
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realm,
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'Authorization is required!',
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);
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}
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if (basicAuthData.name === basicAuthUser) {
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if (basicAuthHashEnabled) {
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if (
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validPassword === null &&
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(await compare(basicAuthData.pass, basicAuthPassword))
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) {
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// Password is valid so save for future requests
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validPassword = basicAuthData.pass;
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}
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if (validPassword === basicAuthData.pass && validPassword !== null) {
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// Provided hash is correct
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return next();
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}
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} else if (basicAuthData.pass === basicAuthPassword) {
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// Provided password is correct
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return next();
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}
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}
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// Provided authentication data is wrong
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return ResponseHelper.basicAuthAuthorizationError(
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res,
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realm,
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'Authorization data is wrong!',
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);
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},
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);
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}
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// Check for and validate JWT if configured
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const jwtAuthActive = config.get('security.jwtAuth.active') as boolean;
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if (jwtAuthActive) {
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const jwtAuthHeader = (await GenericHelpers.getConfigValue(
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'security.jwtAuth.jwtHeader',
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)) as string;
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if (jwtAuthHeader === '') {
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throw new Error('JWT auth is activated but no request header was defined. Please set one!');
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}
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const jwksUri = (await GenericHelpers.getConfigValue('security.jwtAuth.jwksUri')) as string;
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if (jwksUri === '') {
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throw new Error('JWT auth is activated but no JWK Set URI was defined. Please set one!');
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}
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const jwtHeaderValuePrefix = (await GenericHelpers.getConfigValue(
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'security.jwtAuth.jwtHeaderValuePrefix',
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)) as string;
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const jwtIssuer = (await GenericHelpers.getConfigValue(
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'security.jwtAuth.jwtIssuer',
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)) as string;
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const jwtNamespace = (await GenericHelpers.getConfigValue(
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'security.jwtAuth.jwtNamespace',
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)) as string;
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const jwtAllowedTenantKey = (await GenericHelpers.getConfigValue(
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'security.jwtAuth.jwtAllowedTenantKey',
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)) as string;
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const jwtAllowedTenant = (await GenericHelpers.getConfigValue(
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'security.jwtAuth.jwtAllowedTenant',
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)) as string;
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// eslint-disable-next-line no-inner-declarations
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function isTenantAllowed(decodedToken: object): boolean {
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if (jwtNamespace === '' || jwtAllowedTenantKey === '' || jwtAllowedTenant === '')
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return true;
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for (const [k, v] of Object.entries(decodedToken)) {
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if (k === jwtNamespace) {
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for (const [kn, kv] of Object.entries(v)) {
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if (kn === jwtAllowedTenantKey && kv === jwtAllowedTenant) {
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return true;
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}
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}
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}
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}
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return false;
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}
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|
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// eslint-disable-next-line consistent-return
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this.app.use((req: express.Request, res: express.Response, next: express.NextFunction) => {
|
|
if (authIgnoreRegex.exec(req.url)) {
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return next();
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}
|
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|
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let token = req.header(jwtAuthHeader) as string;
|
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if (token === undefined || token === '') {
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return ResponseHelper.jwtAuthAuthorizationError(res, 'Missing token');
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}
|
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if (jwtHeaderValuePrefix !== '' && token.startsWith(jwtHeaderValuePrefix)) {
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token = token.replace(`${jwtHeaderValuePrefix} `, '').trimLeft();
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}
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|
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const jwkClient = jwks({ cache: true, jwksUri });
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// eslint-disable-next-line @typescript-eslint/ban-types
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|
function getKey(header: any, callback: Function) {
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|
jwkClient.getSigningKey(header.kid, (err: Error, key: any) => {
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// eslint-disable-next-line @typescript-eslint/no-throw-literal
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if (err) throw ResponseHelper.jwtAuthAuthorizationError(res, err.message);
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|
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const signingKey = key.publicKey || key.rsaPublicKey;
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|
callback(null, signingKey);
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|
});
|
|
}
|
|
|
|
const jwtVerifyOptions: jwt.VerifyOptions = {
|
|
issuer: jwtIssuer !== '' ? jwtIssuer : undefined,
|
|
ignoreExpiration: false,
|
|
};
|
|
|
|
jwt.verify(token, getKey, jwtVerifyOptions, (err: jwt.VerifyErrors, decoded: object) => {
|
|
if (err) {
|
|
ResponseHelper.jwtAuthAuthorizationError(res, 'Invalid token');
|
|
} else if (!isTenantAllowed(decoded)) {
|
|
ResponseHelper.jwtAuthAuthorizationError(res, 'Tenant not allowed');
|
|
} else {
|
|
next();
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
// Get push connections
|
|
this.app.use((req: express.Request, res: express.Response, next: express.NextFunction) => {
|
|
if (req.url.indexOf(`/${this.restEndpoint}/push`) === 0) {
|
|
// TODO: Later also has to add some kind of authentication token
|
|
if (req.query.sessionId === undefined) {
|
|
next(new Error('The query parameter "sessionId" is missing!'));
|
|
return;
|
|
}
|
|
|
|
this.push.add(req.query.sessionId as string, req, res);
|
|
return;
|
|
}
|
|
next();
|
|
});
|
|
|
|
// Compress the response data
|
|
this.app.use(compression());
|
|
|
|
// Make sure that each request has the "parsedUrl" parameter
|
|
this.app.use((req: express.Request, res: express.Response, next: express.NextFunction) => {
|
|
(req as ICustomRequest).parsedUrl = parseUrl(req);
|
|
// @ts-ignore
|
|
req.rawBody = Buffer.from('', 'base64');
|
|
next();
|
|
});
|
|
|
|
// Support application/json type post data
|
|
this.app.use(
|
|
bodyParser.json({
|
|
limit: `${this.payloadSizeMax}mb`,
|
|
verify: (req, res, buf) => {
|
|
// @ts-ignore
|
|
req.rawBody = buf;
|
|
},
|
|
}),
|
|
);
|
|
|
|
// Support application/xml type post data
|
|
this.app.use(
|
|
// @ts-ignore
|
|
bodyParser.xml({
|
|
limit: `${this.payloadSizeMax}mb`,
|
|
xmlParseOptions: {
|
|
normalize: true, // Trim whitespace inside text nodes
|
|
normalizeTags: true, // Transform tags to lowercase
|
|
explicitArray: false, // Only put properties in array if length > 1
|
|
},
|
|
}),
|
|
);
|
|
|
|
this.app.use(
|
|
bodyParser.text({
|
|
limit: `${this.payloadSizeMax}mb`,
|
|
verify: (req, res, buf) => {
|
|
// @ts-ignore
|
|
req.rawBody = buf;
|
|
},
|
|
}),
|
|
);
|
|
|
|
// Make sure that Vue history mode works properly
|
|
this.app.use(
|
|
history({
|
|
rewrites: [
|
|
{
|
|
from: new RegExp(
|
|
// eslint-disable-next-line no-useless-escape
|
|
`^\/(${this.restEndpoint}|healthz|metrics|css|js|${this.endpointWebhook}|${this.endpointWebhookTest})\/?.*$`,
|
|
),
|
|
to: (context) => {
|
|
return context.parsedUrl.pathname!.toString();
|
|
},
|
|
},
|
|
],
|
|
}),
|
|
);
|
|
|
|
// support application/x-www-form-urlencoded post data
|
|
this.app.use(
|
|
bodyParser.urlencoded({
|
|
limit: `${this.payloadSizeMax}mb`,
|
|
extended: false,
|
|
verify: (req, res, buf) => {
|
|
// @ts-ignore
|
|
req.rawBody = buf;
|
|
},
|
|
}),
|
|
);
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
this.app.use((req: express.Request, res: express.Response, next: express.NextFunction) => {
|
|
// Allow access also from frontend when developing
|
|
res.header('Access-Control-Allow-Origin', 'http://localhost:8080');
|
|
res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
|
|
res.header(
|
|
'Access-Control-Allow-Headers',
|
|
'Origin, X-Requested-With, Content-Type, Accept, sessionid',
|
|
);
|
|
next();
|
|
});
|
|
}
|
|
|
|
// eslint-disable-next-line consistent-return
|
|
this.app.use((req: express.Request, res: express.Response, next: express.NextFunction) => {
|
|
if (Db.collections.Workflow === null) {
|
|
const error = new ResponseHelper.ResponseError('Database is not ready!', undefined, 503);
|
|
return ResponseHelper.sendErrorResponse(res, error);
|
|
}
|
|
|
|
next();
|
|
});
|
|
|
|
// ----------------------------------------
|
|
// Healthcheck
|
|
// ----------------------------------------
|
|
|
|
// Does very basic health check
|
|
this.app.get('/healthz', async (req: express.Request, res: express.Response) => {
|
|
const connection = getConnectionManager().get();
|
|
|
|
try {
|
|
if (!connection.isConnected) {
|
|
// Connection is not active
|
|
throw new Error('No active database connection!');
|
|
}
|
|
// DB ping
|
|
await connection.query('SELECT 1');
|
|
} catch (err) {
|
|
LoggerProxy.error('No Database connection!', err);
|
|
const error = new ResponseHelper.ResponseError('No Database connection!', undefined, 503);
|
|
return ResponseHelper.sendErrorResponse(res, error);
|
|
}
|
|
|
|
// Everything fine
|
|
const responseData = {
|
|
status: 'ok',
|
|
};
|
|
|
|
ResponseHelper.sendSuccessResponse(res, responseData, true, 200);
|
|
});
|
|
|
|
// ----------------------------------------
|
|
// Metrics
|
|
// ----------------------------------------
|
|
if (enableMetrics) {
|
|
this.app.get('/metrics', async (req: express.Request, res: express.Response) => {
|
|
const response = await register.metrics();
|
|
res.setHeader('Content-Type', register.contentType);
|
|
ResponseHelper.sendSuccessResponse(res, response, true, 200);
|
|
});
|
|
}
|
|
|
|
// ----------------------------------------
|
|
// Workflow
|
|
// ----------------------------------------
|
|
|
|
// Creates a new workflow
|
|
this.app.post(
|
|
`/${this.restEndpoint}/workflows`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<WorkflowEntity> => {
|
|
delete req.body.id; // ignore if sent by mistake
|
|
const incomingData = req.body;
|
|
|
|
const newWorkflow = new WorkflowEntity();
|
|
|
|
Object.assign(newWorkflow, incomingData);
|
|
newWorkflow.name = incomingData.name.trim();
|
|
|
|
const incomingTagOrder = incomingData.tags.slice();
|
|
|
|
if (incomingData.tags.length) {
|
|
newWorkflow.tags = await Db.collections.Tag!.findByIds(incomingData.tags, {
|
|
select: ['id', 'name'],
|
|
});
|
|
}
|
|
|
|
// check credentials for old format
|
|
await WorkflowHelpers.replaceInvalidCredentials(newWorkflow);
|
|
|
|
await this.externalHooks.run('workflow.create', [newWorkflow]);
|
|
|
|
await WorkflowHelpers.validateWorkflow(newWorkflow);
|
|
const savedWorkflow = (await Db.collections
|
|
.Workflow!.save(newWorkflow)
|
|
.catch(WorkflowHelpers.throwDuplicateEntryError)) as WorkflowEntity;
|
|
savedWorkflow.tags = TagHelpers.sortByRequestOrder(savedWorkflow.tags, incomingTagOrder);
|
|
|
|
// @ts-ignore
|
|
savedWorkflow.id = savedWorkflow.id.toString();
|
|
await this.externalHooks.run('workflow.afterCreate', [savedWorkflow]);
|
|
void InternalHooksManager.getInstance().onWorkflowCreated(newWorkflow as IWorkflowBase);
|
|
return savedWorkflow;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Reads and returns workflow data from an URL
|
|
this.app.get(
|
|
`/${this.restEndpoint}/workflows/from-url`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<IWorkflowResponse> => {
|
|
if (req.query.url === undefined) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`The parameter "url" is missing!`,
|
|
undefined,
|
|
400,
|
|
);
|
|
}
|
|
if (!/^http[s]?:\/\/.*\.json$/i.exec(req.query.url as string)) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`The parameter "url" is not valid! It does not seem to be a URL pointing to a n8n workflow JSON file.`,
|
|
undefined,
|
|
400,
|
|
);
|
|
}
|
|
const data = await requestPromise.get(req.query.url as string);
|
|
|
|
let workflowData: IWorkflowResponse | undefined;
|
|
try {
|
|
workflowData = JSON.parse(data);
|
|
} catch (error) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`The URL does not point to valid JSON file!`,
|
|
undefined,
|
|
400,
|
|
);
|
|
}
|
|
|
|
// Do a very basic check if it is really a n8n-workflow-json
|
|
if (
|
|
workflowData === undefined ||
|
|
workflowData.nodes === undefined ||
|
|
!Array.isArray(workflowData.nodes) ||
|
|
workflowData.connections === undefined ||
|
|
typeof workflowData.connections !== 'object' ||
|
|
Array.isArray(workflowData.connections)
|
|
) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`The data in the file does not seem to be a n8n workflow JSON file!`,
|
|
undefined,
|
|
400,
|
|
);
|
|
}
|
|
|
|
return workflowData;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Returns workflows
|
|
this.app.get(
|
|
`/${this.restEndpoint}/workflows`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response) => {
|
|
const findQuery: FindManyOptions<WorkflowEntity> = {
|
|
select: ['id', 'name', 'active', 'createdAt', 'updatedAt'],
|
|
relations: ['tags'],
|
|
};
|
|
|
|
if (req.query.filter) {
|
|
findQuery.where = JSON.parse(req.query.filter as string);
|
|
}
|
|
|
|
const workflows = await Db.collections.Workflow!.find(findQuery);
|
|
|
|
workflows.forEach((workflow) => {
|
|
// @ts-ignore
|
|
workflow.id = workflow.id.toString();
|
|
// @ts-ignore
|
|
workflow.tags = workflow.tags.map(({ id, name }) => ({ id: id.toString(), name }));
|
|
});
|
|
return workflows;
|
|
}),
|
|
);
|
|
|
|
this.app.get(
|
|
`/${this.restEndpoint}/workflows/new`,
|
|
ResponseHelper.send(
|
|
async (req: NameRequest, res: express.Response): Promise<{ name: string }> => {
|
|
const requestedName =
|
|
req.query.name && req.query.name !== '' ? req.query.name : this.defaultWorkflowName;
|
|
|
|
return await GenericHelpers.generateUniqueName(requestedName, 'workflow');
|
|
},
|
|
),
|
|
);
|
|
|
|
// Returns a specific workflow
|
|
this.app.get(
|
|
`/${this.restEndpoint}/workflows/:id`,
|
|
ResponseHelper.send(
|
|
async (
|
|
req: express.Request,
|
|
res: express.Response,
|
|
): Promise<WorkflowEntity | undefined> => {
|
|
const workflow = await Db.collections.Workflow!.findOne(req.params.id, {
|
|
relations: ['tags'],
|
|
});
|
|
|
|
if (workflow === undefined) {
|
|
return undefined;
|
|
}
|
|
|
|
// @ts-ignore
|
|
workflow.id = workflow.id.toString();
|
|
// @ts-ignore
|
|
workflow.tags.forEach((tag) => (tag.id = tag.id.toString()));
|
|
return workflow;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Updates an existing workflow
|
|
this.app.patch(
|
|
`/${this.restEndpoint}/workflows/:id`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<WorkflowEntity> => {
|
|
const { tags, ...updateData } = req.body;
|
|
|
|
const { id } = req.params;
|
|
updateData.id = id;
|
|
|
|
// check credentials for old format
|
|
await WorkflowHelpers.replaceInvalidCredentials(updateData as WorkflowEntity);
|
|
|
|
await this.externalHooks.run('workflow.update', [updateData]);
|
|
|
|
const isActive = await this.activeWorkflowRunner.isActive(id);
|
|
|
|
if (isActive) {
|
|
// When workflow gets saved always remove it as the triggers could have been
|
|
// changed and so the changes would not take effect
|
|
await this.activeWorkflowRunner.remove(id);
|
|
}
|
|
|
|
if (updateData.settings) {
|
|
if (updateData.settings.timezone === 'DEFAULT') {
|
|
// Do not save the default timezone
|
|
delete updateData.settings.timezone;
|
|
}
|
|
if (updateData.settings.saveDataErrorExecution === 'DEFAULT') {
|
|
// Do not save when default got set
|
|
delete updateData.settings.saveDataErrorExecution;
|
|
}
|
|
if (updateData.settings.saveDataSuccessExecution === 'DEFAULT') {
|
|
// Do not save when default got set
|
|
delete updateData.settings.saveDataSuccessExecution;
|
|
}
|
|
if (updateData.settings.saveManualExecutions === 'DEFAULT') {
|
|
// Do not save when default got set
|
|
delete updateData.settings.saveManualExecutions;
|
|
}
|
|
if (
|
|
parseInt(updateData.settings.executionTimeout as string, 10) === this.executionTimeout
|
|
) {
|
|
// Do not save when default got set
|
|
delete updateData.settings.executionTimeout;
|
|
}
|
|
}
|
|
|
|
// required due to atomic update
|
|
updateData.updatedAt = this.getCurrentDate();
|
|
|
|
await WorkflowHelpers.validateWorkflow(updateData);
|
|
await Db.collections
|
|
.Workflow!.update(id, updateData)
|
|
.catch(WorkflowHelpers.throwDuplicateEntryError);
|
|
|
|
if (tags) {
|
|
const tablePrefix = config.get('database.tablePrefix');
|
|
await TagHelpers.removeRelations(req.params.id, tablePrefix);
|
|
|
|
if (tags.length) {
|
|
await TagHelpers.createRelations(req.params.id, tags, tablePrefix);
|
|
}
|
|
}
|
|
|
|
// We sadly get nothing back from "update". Neither if it updated a record
|
|
// nor the new value. So query now the hopefully updated entry.
|
|
const workflow = await Db.collections.Workflow!.findOne(id, { relations: ['tags'] });
|
|
|
|
if (workflow === undefined) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`Workflow with id "${id}" could not be found to be updated.`,
|
|
undefined,
|
|
400,
|
|
);
|
|
}
|
|
|
|
if (tags?.length) {
|
|
workflow.tags = TagHelpers.sortByRequestOrder(workflow.tags, tags);
|
|
}
|
|
|
|
await this.externalHooks.run('workflow.afterUpdate', [workflow]);
|
|
void InternalHooksManager.getInstance().onWorkflowSaved(workflow as IWorkflowBase);
|
|
|
|
if (workflow.active) {
|
|
// When the workflow is supposed to be active add it again
|
|
try {
|
|
await this.externalHooks.run('workflow.activate', [workflow]);
|
|
await this.activeWorkflowRunner.add(id, isActive ? 'update' : 'activate');
|
|
} catch (error) {
|
|
// If workflow could not be activated set it again to inactive
|
|
updateData.active = false;
|
|
// @ts-ignore
|
|
await Db.collections.Workflow!.update(id, updateData);
|
|
|
|
// Also set it in the returned data
|
|
workflow.active = false;
|
|
|
|
// Now return the original error for UI to display
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
// @ts-ignore
|
|
workflow.id = workflow.id.toString();
|
|
return workflow;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Deletes a specific workflow
|
|
this.app.delete(
|
|
`/${this.restEndpoint}/workflows/:id`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<boolean> => {
|
|
const { id } = req.params;
|
|
|
|
await this.externalHooks.run('workflow.delete', [id]);
|
|
|
|
const isActive = await this.activeWorkflowRunner.isActive(id);
|
|
if (isActive) {
|
|
// Before deleting a workflow deactivate it
|
|
await this.activeWorkflowRunner.remove(id);
|
|
}
|
|
|
|
await Db.collections.Workflow!.delete(id);
|
|
void InternalHooksManager.getInstance().onWorkflowDeleted(id);
|
|
await this.externalHooks.run('workflow.afterDelete', [id]);
|
|
|
|
return true;
|
|
}),
|
|
);
|
|
|
|
this.app.post(
|
|
`/${this.restEndpoint}/workflows/run`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<IExecutionPushResponse> => {
|
|
const { workflowData } = req.body;
|
|
const { runData } = req.body;
|
|
const { startNodes } = req.body;
|
|
const { destinationNode } = req.body;
|
|
const executionMode = 'manual';
|
|
const activationMode = 'manual';
|
|
|
|
const sessionId = GenericHelpers.getSessionId(req);
|
|
|
|
// If webhooks nodes exist and are active we have to wait for till we receive a call
|
|
if (
|
|
runData === undefined ||
|
|
startNodes === undefined ||
|
|
startNodes.length === 0 ||
|
|
destinationNode === undefined
|
|
) {
|
|
const additionalData = await WorkflowExecuteAdditionalData.getBase();
|
|
const nodeTypes = NodeTypes();
|
|
const workflowInstance = new Workflow({
|
|
id: workflowData.id,
|
|
name: workflowData.name,
|
|
nodes: workflowData.nodes,
|
|
connections: workflowData.connections,
|
|
active: false,
|
|
nodeTypes,
|
|
staticData: undefined,
|
|
settings: workflowData.settings,
|
|
});
|
|
const needsWebhook = await this.testWebhooks.needsWebhookData(
|
|
workflowData,
|
|
workflowInstance,
|
|
additionalData,
|
|
executionMode,
|
|
activationMode,
|
|
sessionId,
|
|
destinationNode,
|
|
);
|
|
if (needsWebhook) {
|
|
return {
|
|
waitingForWebhook: true,
|
|
};
|
|
}
|
|
}
|
|
|
|
// For manual testing always set to not active
|
|
workflowData.active = false;
|
|
|
|
// Start the workflow
|
|
const data: IWorkflowExecutionDataProcess = {
|
|
destinationNode,
|
|
executionMode,
|
|
runData,
|
|
sessionId,
|
|
startNodes,
|
|
workflowData,
|
|
};
|
|
const workflowRunner = new WorkflowRunner();
|
|
const executionId = await workflowRunner.run(data);
|
|
|
|
return {
|
|
executionId,
|
|
};
|
|
},
|
|
),
|
|
);
|
|
|
|
// Retrieves all tags, with or without usage count
|
|
this.app.get(
|
|
`/${this.restEndpoint}/tags`,
|
|
ResponseHelper.send(
|
|
async (
|
|
req: express.Request,
|
|
res: express.Response,
|
|
): Promise<TagEntity[] | ITagWithCountDb[]> => {
|
|
if (req.query.withUsageCount === 'true') {
|
|
const tablePrefix = config.get('database.tablePrefix');
|
|
return TagHelpers.getTagsWithCountDb(tablePrefix);
|
|
}
|
|
|
|
const tags = await Db.collections.Tag!.find({ select: ['id', 'name'] });
|
|
// @ts-ignore
|
|
tags.forEach((tag) => (tag.id = tag.id.toString()));
|
|
return tags;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Creates a tag
|
|
this.app.post(
|
|
`/${this.restEndpoint}/tags`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<TagEntity | void> => {
|
|
const newTag = new TagEntity();
|
|
newTag.name = req.body.name.trim();
|
|
|
|
await this.externalHooks.run('tag.beforeCreate', [newTag]);
|
|
|
|
await TagHelpers.validateTag(newTag);
|
|
const tag = await Db.collections
|
|
.Tag!.save(newTag)
|
|
.catch(TagHelpers.throwDuplicateEntryError);
|
|
|
|
await this.externalHooks.run('tag.afterCreate', [tag]);
|
|
|
|
// @ts-ignore
|
|
tag.id = tag.id.toString();
|
|
return tag;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Updates a tag
|
|
this.app.patch(
|
|
`/${this.restEndpoint}/tags/:id`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<TagEntity | void> => {
|
|
const { name } = req.body;
|
|
const { id } = req.params;
|
|
|
|
const newTag = new TagEntity();
|
|
newTag.id = Number(id);
|
|
newTag.name = name.trim();
|
|
|
|
await this.externalHooks.run('tag.beforeUpdate', [newTag]);
|
|
|
|
await TagHelpers.validateTag(newTag);
|
|
const tag = await Db.collections
|
|
.Tag!.save(newTag)
|
|
.catch(TagHelpers.throwDuplicateEntryError);
|
|
|
|
await this.externalHooks.run('tag.afterUpdate', [tag]);
|
|
|
|
// @ts-ignore
|
|
tag.id = tag.id.toString();
|
|
return tag;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Deletes a tag
|
|
this.app.delete(
|
|
`/${this.restEndpoint}/tags/:id`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<boolean> => {
|
|
const id = Number(req.params.id);
|
|
|
|
await this.externalHooks.run('tag.beforeDelete', [id]);
|
|
|
|
await Db.collections.Tag!.delete({ id });
|
|
|
|
await this.externalHooks.run('tag.afterDelete', [id]);
|
|
|
|
return true;
|
|
}),
|
|
);
|
|
|
|
// Returns parameter values which normally get loaded from an external API or
|
|
// get generated dynamically
|
|
this.app.get(
|
|
`/${this.restEndpoint}/node-parameter-options`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<INodePropertyOptions[]> => {
|
|
const nodeTypeAndVersion = JSON.parse(
|
|
`${req.query.nodeTypeAndVersion}`,
|
|
) as INodeTypeNameVersion;
|
|
const path = req.query.path as string;
|
|
let credentials: INodeCredentials | undefined;
|
|
const currentNodeParameters = JSON.parse(
|
|
`${req.query.currentNodeParameters}`,
|
|
) as INodeParameters;
|
|
if (req.query.credentials !== undefined) {
|
|
credentials = JSON.parse(req.query.credentials as string);
|
|
}
|
|
const methodName = req.query.methodName as string;
|
|
|
|
const nodeTypes = NodeTypes();
|
|
|
|
// @ts-ignore
|
|
const loadDataInstance = new LoadNodeParameterOptions(
|
|
nodeTypeAndVersion,
|
|
nodeTypes,
|
|
path,
|
|
currentNodeParameters,
|
|
credentials,
|
|
);
|
|
|
|
const additionalData = await WorkflowExecuteAdditionalData.getBase(currentNodeParameters);
|
|
|
|
return loadDataInstance.getOptions(methodName, additionalData);
|
|
},
|
|
),
|
|
);
|
|
|
|
// Returns all the node-types
|
|
this.app.get(
|
|
`/${this.restEndpoint}/node-types`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<INodeTypeDescription[]> => {
|
|
const returnData: INodeTypeDescription[] = [];
|
|
const onlyLatest = req.query.onlyLatest === 'true';
|
|
|
|
const nodeTypes = NodeTypes();
|
|
const allNodes = nodeTypes.getAll();
|
|
|
|
const getNodeDescription = (nodeType: INodeType): INodeTypeDescription => {
|
|
const nodeInfo: INodeTypeDescription = { ...nodeType.description };
|
|
if (req.query.includeProperties !== 'true') {
|
|
// @ts-ignore
|
|
delete nodeInfo.properties;
|
|
}
|
|
return nodeInfo;
|
|
};
|
|
|
|
if (onlyLatest) {
|
|
allNodes.forEach((nodeData) => {
|
|
const nodeType = NodeHelpers.getVersionedTypeNode(nodeData);
|
|
const nodeInfo: INodeTypeDescription = getNodeDescription(nodeType);
|
|
returnData.push(nodeInfo);
|
|
});
|
|
} else {
|
|
allNodes.forEach((nodeData) => {
|
|
const allNodeTypes = NodeHelpers.getVersionedTypeNodeAll(nodeData);
|
|
allNodeTypes.forEach((element) => {
|
|
const nodeInfo: INodeTypeDescription = getNodeDescription(element);
|
|
returnData.push(nodeInfo);
|
|
});
|
|
});
|
|
}
|
|
|
|
return returnData;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Returns node information based on node names and versions
|
|
this.app.post(
|
|
`/${this.restEndpoint}/node-types`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<INodeTypeDescription[]> => {
|
|
const nodeInfos = _.get(req, 'body.nodeInfos', []) as INodeTypeNameVersion[];
|
|
const nodeTypes = NodeTypes();
|
|
|
|
const returnData: INodeTypeDescription[] = [];
|
|
nodeInfos.forEach((nodeInfo) => {
|
|
const nodeType = nodeTypes.getByNameAndVersion(nodeInfo.name, nodeInfo.version);
|
|
if (nodeType?.description) {
|
|
returnData.push(nodeType.description);
|
|
}
|
|
});
|
|
|
|
return returnData;
|
|
},
|
|
),
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Node-Types
|
|
// ----------------------------------------
|
|
|
|
// Returns the node icon
|
|
this.app.get(
|
|
[
|
|
`/${this.restEndpoint}/node-icon/:nodeType`,
|
|
`/${this.restEndpoint}/node-icon/:scope/:nodeType`,
|
|
],
|
|
async (req: express.Request, res: express.Response): Promise<void> => {
|
|
try {
|
|
const nodeTypeName = `${req.params.scope ? `${req.params.scope}/` : ''}${
|
|
req.params.nodeType
|
|
}`;
|
|
|
|
const nodeTypes = NodeTypes();
|
|
const nodeType = nodeTypes.getByNameAndVersion(nodeTypeName);
|
|
|
|
if (nodeType === undefined) {
|
|
res.status(404).send('The nodeType is not known.');
|
|
return;
|
|
}
|
|
|
|
if (nodeType.description.icon === undefined) {
|
|
res.status(404).send('No icon found for node.');
|
|
return;
|
|
}
|
|
|
|
if (!nodeType.description.icon.startsWith('file:')) {
|
|
res.status(404).send('Node does not have a file icon.');
|
|
return;
|
|
}
|
|
|
|
const filepath = nodeType.description.icon.substr(5);
|
|
|
|
const maxAge = 7 * 24 * 60 * 60 * 1000; // 7 days
|
|
res.setHeader('Cache-control', `private max-age=${maxAge}`);
|
|
|
|
res.sendFile(filepath);
|
|
} catch (error) {
|
|
// Error response
|
|
return ResponseHelper.sendErrorResponse(res, error);
|
|
}
|
|
},
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Active Workflows
|
|
// ----------------------------------------
|
|
|
|
// Returns the active workflow ids
|
|
this.app.get(
|
|
`/${this.restEndpoint}/active`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<string[]> => {
|
|
const activeWorkflows = await this.activeWorkflowRunner.getActiveWorkflows();
|
|
return activeWorkflows.map((workflow) => workflow.id.toString());
|
|
},
|
|
),
|
|
);
|
|
|
|
// Returns if the workflow with the given id had any activation errors
|
|
this.app.get(
|
|
`/${this.restEndpoint}/active/error/:id`,
|
|
ResponseHelper.send(
|
|
async (
|
|
req: express.Request,
|
|
res: express.Response,
|
|
): Promise<IActivationError | undefined> => {
|
|
const { id } = req.params;
|
|
return this.activeWorkflowRunner.getActivationError(id);
|
|
},
|
|
),
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Credentials
|
|
// ----------------------------------------
|
|
|
|
this.app.get(
|
|
`/${this.restEndpoint}/credentials/new`,
|
|
ResponseHelper.send(
|
|
async (req: NameRequest, res: express.Response): Promise<{ name: string }> => {
|
|
const requestedName =
|
|
req.query.name && req.query.name !== '' ? req.query.name : this.defaultCredentialsName;
|
|
|
|
return await GenericHelpers.generateUniqueName(requestedName, 'credentials');
|
|
},
|
|
),
|
|
);
|
|
|
|
// Deletes a specific credential
|
|
this.app.delete(
|
|
`/${this.restEndpoint}/credentials/:id`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<boolean> => {
|
|
const { id } = req.params;
|
|
|
|
await this.externalHooks.run('credentials.delete', [id]);
|
|
|
|
await Db.collections.Credentials!.delete({ id });
|
|
|
|
return true;
|
|
}),
|
|
);
|
|
|
|
// Creates new credentials
|
|
this.app.post(
|
|
`/${this.restEndpoint}/credentials`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<ICredentialsResponse> => {
|
|
const incomingData = req.body;
|
|
|
|
if (!incomingData.name || incomingData.name.length < 3) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`Credentials name must be at least 3 characters long.`,
|
|
undefined,
|
|
400,
|
|
);
|
|
}
|
|
|
|
// Add the added date for node access permissions
|
|
for (const nodeAccess of incomingData.nodesAccess) {
|
|
nodeAccess.date = this.getCurrentDate();
|
|
}
|
|
|
|
const encryptionKey = await UserSettings.getEncryptionKey();
|
|
if (encryptionKey === undefined) {
|
|
throw new Error('No encryption key got found to encrypt the credentials!');
|
|
}
|
|
|
|
if (incomingData.name === '') {
|
|
throw new Error('Credentials have to have a name set!');
|
|
}
|
|
|
|
// Encrypt the data
|
|
const credentials = new Credentials(
|
|
{ id: null, name: incomingData.name },
|
|
incomingData.type,
|
|
incomingData.nodesAccess,
|
|
);
|
|
credentials.setData(incomingData.data, encryptionKey);
|
|
const newCredentialsData = credentials.getDataToSave() as ICredentialsDb;
|
|
|
|
await this.externalHooks.run('credentials.create', [newCredentialsData]);
|
|
|
|
// Save the credentials in DB
|
|
const result = await Db.collections.Credentials!.save(newCredentialsData);
|
|
result.data = incomingData.data;
|
|
|
|
// Convert to response format in which the id is a string
|
|
(result as unknown as ICredentialsResponse).id = result.id.toString();
|
|
return result as unknown as ICredentialsResponse;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Test credentials
|
|
this.app.post(
|
|
`/${this.restEndpoint}/credentials-test`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<NodeCredentialTestResult> => {
|
|
const incomingData = req.body as NodeCredentialTestRequest;
|
|
const credentialType = incomingData.credentials.type;
|
|
|
|
// Find nodes that can test this credential.
|
|
const nodeTypes = NodeTypes();
|
|
const allNodes = nodeTypes.getAll();
|
|
|
|
let foundTestFunction:
|
|
| ((
|
|
this: ICredentialTestFunctions,
|
|
credential: ICredentialsDecrypted,
|
|
) => Promise<NodeCredentialTestResult>)
|
|
| undefined;
|
|
const nodeThatCanTestThisCredential = allNodes.find((node) => {
|
|
if (
|
|
incomingData.nodeToTestWith &&
|
|
node.description.name !== incomingData.nodeToTestWith
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
if (node instanceof NodeVersionedType) {
|
|
const versionNames = Object.keys((node as INodeVersionedType).nodeVersions);
|
|
for (const versionName of versionNames) {
|
|
const nodeType = (node as INodeVersionedType).nodeVersions[
|
|
versionName as unknown as number
|
|
];
|
|
// eslint-disable-next-line @typescript-eslint/no-loop-func
|
|
const credentialTestable = nodeType.description.credentials?.find((credential) => {
|
|
const testFunctionSearch =
|
|
credential.name === credentialType && !!credential.testedBy;
|
|
if (testFunctionSearch) {
|
|
foundTestFunction = (node as unknown as INodeType).methods!.credentialTest![
|
|
credential.testedBy!
|
|
];
|
|
}
|
|
return testFunctionSearch;
|
|
});
|
|
if (credentialTestable) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
const credentialTestable = (node as INodeType).description.credentials?.find(
|
|
(credential) => {
|
|
const testFunctionSearch =
|
|
credential.name === credentialType && !!credential.testedBy;
|
|
if (testFunctionSearch) {
|
|
foundTestFunction = (node as INodeType).methods!.credentialTest![
|
|
credential.testedBy!
|
|
];
|
|
}
|
|
return testFunctionSearch;
|
|
},
|
|
);
|
|
return !!credentialTestable;
|
|
});
|
|
|
|
if (!nodeThatCanTestThisCredential) {
|
|
return Promise.resolve({
|
|
status: 'Error',
|
|
message: 'There are no nodes that can test this credential.',
|
|
});
|
|
}
|
|
|
|
if (foundTestFunction === undefined) {
|
|
return Promise.resolve({
|
|
status: 'Error',
|
|
message: 'No testing function found for this credential.',
|
|
});
|
|
}
|
|
|
|
const credentialTestFunctions = NodeExecuteFunctions.getCredentialTestFunctions();
|
|
|
|
const output = await foundTestFunction.call(
|
|
credentialTestFunctions,
|
|
incomingData.credentials,
|
|
);
|
|
return Promise.resolve(output);
|
|
},
|
|
),
|
|
);
|
|
|
|
// Updates existing credentials
|
|
this.app.patch(
|
|
`/${this.restEndpoint}/credentials/:id`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<ICredentialsResponse> => {
|
|
const incomingData = req.body;
|
|
|
|
const { id } = req.params;
|
|
|
|
if (incomingData.name === '') {
|
|
throw new Error('Credentials have to have a name set!');
|
|
}
|
|
|
|
// Add the date for newly added node access permissions
|
|
for (const nodeAccess of incomingData.nodesAccess) {
|
|
if (!nodeAccess.date) {
|
|
nodeAccess.date = this.getCurrentDate();
|
|
}
|
|
}
|
|
|
|
const encryptionKey = await UserSettings.getEncryptionKey();
|
|
if (encryptionKey === undefined) {
|
|
throw new Error('No encryption key got found to encrypt the credentials!');
|
|
}
|
|
|
|
// Load the currently saved credentials to be able to persist some of the data if
|
|
const result = await Db.collections.Credentials!.findOne(id);
|
|
if (result === undefined) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`Credentials with the id "${id}" do not exist.`,
|
|
undefined,
|
|
400,
|
|
);
|
|
}
|
|
|
|
const currentlySavedCredentials = new Credentials(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
result.nodesAccess,
|
|
result.data,
|
|
);
|
|
const decryptedData = currentlySavedCredentials.getData(encryptionKey);
|
|
|
|
// Do not overwrite the oauth data else data like the access or refresh token would get lost
|
|
// everytime anybody changes anything on the credentials even if it is just the name.
|
|
if (decryptedData.oauthTokenData) {
|
|
incomingData.data.oauthTokenData = decryptedData.oauthTokenData;
|
|
}
|
|
|
|
// Encrypt the data
|
|
const credentials = new Credentials(
|
|
{ id, name: incomingData.name },
|
|
incomingData.type,
|
|
incomingData.nodesAccess,
|
|
);
|
|
credentials.setData(incomingData.data, encryptionKey);
|
|
const newCredentialsData = credentials.getDataToSave() as unknown as ICredentialsDb;
|
|
|
|
// Add special database related data
|
|
newCredentialsData.updatedAt = this.getCurrentDate();
|
|
|
|
await this.externalHooks.run('credentials.update', [newCredentialsData]);
|
|
|
|
// Update the credentials in DB
|
|
await Db.collections.Credentials!.update(id, newCredentialsData);
|
|
|
|
// We sadly get nothing back from "update". Neither if it updated a record
|
|
// nor the new value. So query now the hopefully updated entry.
|
|
const responseData = await Db.collections.Credentials!.findOne(id);
|
|
|
|
if (responseData === undefined) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`Credentials with id "${id}" could not be found to be updated.`,
|
|
undefined,
|
|
400,
|
|
);
|
|
}
|
|
|
|
// Remove the encrypted data as it is not needed in the frontend
|
|
responseData.data = '';
|
|
|
|
// Convert to response format in which the id is a string
|
|
(responseData as unknown as ICredentialsResponse).id = responseData.id.toString();
|
|
return responseData as unknown as ICredentialsResponse;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Returns specific credentials
|
|
this.app.get(
|
|
`/${this.restEndpoint}/credentials/:id`,
|
|
ResponseHelper.send(
|
|
async (
|
|
req: express.Request,
|
|
res: express.Response,
|
|
): Promise<ICredentialsDecryptedResponse | ICredentialsResponse | undefined> => {
|
|
const findQuery = {} as FindManyOptions;
|
|
|
|
// Make sure the variable has an expected value
|
|
const includeData = ['true', true].includes(req.query.includeData as string);
|
|
|
|
if (!includeData) {
|
|
// Return only the fields we need
|
|
findQuery.select = ['id', 'name', 'type', 'nodesAccess', 'createdAt', 'updatedAt'];
|
|
}
|
|
|
|
const result = await Db.collections.Credentials!.findOne(req.params.id);
|
|
|
|
if (result === undefined) {
|
|
return result;
|
|
}
|
|
|
|
let encryptionKey;
|
|
if (includeData) {
|
|
encryptionKey = await UserSettings.getEncryptionKey();
|
|
if (encryptionKey === undefined) {
|
|
throw new Error('No encryption key got found to decrypt the credentials!');
|
|
}
|
|
|
|
const credentials = new Credentials(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
result.nodesAccess,
|
|
result.data,
|
|
);
|
|
(result as ICredentialsDecryptedDb).data = credentials.getData(encryptionKey);
|
|
}
|
|
|
|
(result as ICredentialsDecryptedResponse).id = result.id.toString();
|
|
|
|
return result as ICredentialsDecryptedResponse;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Returns all the saved credentials
|
|
this.app.get(
|
|
`/${this.restEndpoint}/credentials`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<ICredentialsResponse[]> => {
|
|
const findQuery = {} as FindManyOptions;
|
|
if (req.query.filter) {
|
|
findQuery.where = JSON.parse(req.query.filter as string) as IDataObject;
|
|
if (findQuery.where.id !== undefined) {
|
|
// No idea if multiple where parameters make db search
|
|
// slower but to be sure that that is not the case we
|
|
// remove all unnecessary fields in case the id is defined.
|
|
findQuery.where = { id: findQuery.where.id };
|
|
}
|
|
}
|
|
|
|
findQuery.select = ['id', 'name', 'type', 'nodesAccess', 'createdAt', 'updatedAt'];
|
|
|
|
const results = (await Db.collections.Credentials!.find(
|
|
findQuery,
|
|
)) as unknown as ICredentialsResponse[];
|
|
|
|
let encryptionKey;
|
|
|
|
const includeData = ['true', true].includes(req.query.includeData as string);
|
|
if (includeData) {
|
|
encryptionKey = await UserSettings.getEncryptionKey();
|
|
if (encryptionKey === undefined) {
|
|
throw new Error('No encryption key got found to decrypt the credentials!');
|
|
}
|
|
}
|
|
|
|
let result;
|
|
for (result of results) {
|
|
(result as ICredentialsDecryptedResponse).id = result.id.toString();
|
|
}
|
|
|
|
return results;
|
|
},
|
|
),
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Credential-Types
|
|
// ----------------------------------------
|
|
|
|
// Returns all the credential types which are defined in the loaded n8n-modules
|
|
this.app.get(
|
|
`/${this.restEndpoint}/credential-types`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<ICredentialType[]> => {
|
|
const returnData: ICredentialType[] = [];
|
|
|
|
const credentialTypes = CredentialTypes();
|
|
|
|
credentialTypes.getAll().forEach((credentialData) => {
|
|
returnData.push(credentialData);
|
|
});
|
|
|
|
return returnData;
|
|
},
|
|
),
|
|
);
|
|
|
|
this.app.get(
|
|
`/${this.restEndpoint}/credential-icon/:credentialType`,
|
|
async (req: express.Request, res: express.Response): Promise<void> => {
|
|
try {
|
|
const credentialName = req.params.credentialType;
|
|
|
|
const credentialType = CredentialTypes().getByName(credentialName);
|
|
|
|
if (credentialType === undefined) {
|
|
res.status(404).send('The credentialType is not known.');
|
|
return;
|
|
}
|
|
|
|
if (credentialType.icon === undefined) {
|
|
res.status(404).send('No icon found for credential.');
|
|
return;
|
|
}
|
|
|
|
if (!credentialType.icon.startsWith('file:')) {
|
|
res.status(404).send('Credential does not have a file icon.');
|
|
return;
|
|
}
|
|
|
|
const filepath = credentialType.icon.substr(5);
|
|
|
|
const maxAge = 7 * 24 * 60 * 60 * 1000; // 7 days
|
|
res.setHeader('Cache-control', `private max-age=${maxAge}`);
|
|
|
|
res.sendFile(filepath);
|
|
} catch (error) {
|
|
// Error response
|
|
return ResponseHelper.sendErrorResponse(res, error);
|
|
}
|
|
},
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// OAuth1-Credential/Auth
|
|
// ----------------------------------------
|
|
|
|
// Authorize OAuth Data
|
|
this.app.get(
|
|
`/${this.restEndpoint}/oauth1-credential/auth`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<string> => {
|
|
if (req.query.id === undefined) {
|
|
res.status(500).send('Required credential id is missing!');
|
|
return '';
|
|
}
|
|
|
|
const result = await Db.collections.Credentials!.findOne(req.query.id as string);
|
|
if (result === undefined) {
|
|
res.status(404).send('The credential is not known.');
|
|
return '';
|
|
}
|
|
|
|
let encryptionKey;
|
|
encryptionKey = await UserSettings.getEncryptionKey();
|
|
if (encryptionKey === undefined) {
|
|
res.status(500).send('No encryption key got found to decrypt the credentials!');
|
|
return '';
|
|
}
|
|
|
|
const mode: WorkflowExecuteMode = 'internal';
|
|
const credentialsHelper = new CredentialsHelper(encryptionKey);
|
|
const decryptedDataOriginal = await credentialsHelper.getDecrypted(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
mode,
|
|
true,
|
|
);
|
|
const oauthCredentials = credentialsHelper.applyDefaultsAndOverwrites(
|
|
decryptedDataOriginal,
|
|
result.type,
|
|
mode,
|
|
);
|
|
|
|
const signatureMethod = _.get(oauthCredentials, 'signatureMethod') as string;
|
|
|
|
const oAuthOptions: clientOAuth1.Options = {
|
|
consumer: {
|
|
key: _.get(oauthCredentials, 'consumerKey') as string,
|
|
secret: _.get(oauthCredentials, 'consumerSecret') as string,
|
|
},
|
|
signature_method: signatureMethod,
|
|
// eslint-disable-next-line @typescript-eslint/naming-convention
|
|
hash_function(base, key) {
|
|
const algorithm = signatureMethod === 'HMAC-SHA1' ? 'sha1' : 'sha256';
|
|
return createHmac(algorithm, key).update(base).digest('base64');
|
|
},
|
|
};
|
|
|
|
const oauthRequestData = {
|
|
oauth_callback: `${WebhookHelpers.getWebhookBaseUrl()}${
|
|
this.restEndpoint
|
|
}/oauth1-credential/callback?cid=${req.query.id}`,
|
|
};
|
|
|
|
await this.externalHooks.run('oauth1.authenticate', [oAuthOptions, oauthRequestData]);
|
|
|
|
// eslint-disable-next-line new-cap
|
|
const oauth = new clientOAuth1(oAuthOptions);
|
|
|
|
const options: RequestOptions = {
|
|
method: 'POST',
|
|
url: _.get(oauthCredentials, 'requestTokenUrl') as string,
|
|
data: oauthRequestData,
|
|
};
|
|
|
|
const data = oauth.toHeader(oauth.authorize(options));
|
|
|
|
// @ts-ignore
|
|
options.headers = data;
|
|
|
|
const response = await requestPromise(options);
|
|
|
|
// Response comes as x-www-form-urlencoded string so convert it to JSON
|
|
|
|
const responseJson = querystring.parse(response);
|
|
|
|
const returnUri = `${_.get(oauthCredentials, 'authUrl')}?oauth_token=${
|
|
responseJson.oauth_token
|
|
}`;
|
|
|
|
// Encrypt the data
|
|
const credentials = new Credentials(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
result.nodesAccess,
|
|
);
|
|
|
|
credentials.setData(decryptedDataOriginal, encryptionKey);
|
|
const newCredentialsData = credentials.getDataToSave() as unknown as ICredentialsDb;
|
|
|
|
// Add special database related data
|
|
newCredentialsData.updatedAt = this.getCurrentDate();
|
|
|
|
// Update the credentials in DB
|
|
await Db.collections.Credentials!.update(req.query.id as string, newCredentialsData);
|
|
|
|
return returnUri;
|
|
}),
|
|
);
|
|
|
|
// Verify and store app code. Generate access tokens and store for respective credential.
|
|
this.app.get(
|
|
`/${this.restEndpoint}/oauth1-credential/callback`,
|
|
async (req: express.Request, res: express.Response) => {
|
|
try {
|
|
const { oauth_verifier, oauth_token, cid } = req.query;
|
|
|
|
if (oauth_verifier === undefined || oauth_token === undefined) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
`Insufficient parameters for OAuth1 callback. Received following query parameters: ${JSON.stringify(
|
|
req.query,
|
|
)}`,
|
|
undefined,
|
|
503,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
const result = await Db.collections.Credentials!.findOne(cid as any);
|
|
if (result === undefined) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
'The credential is not known.',
|
|
undefined,
|
|
404,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
let encryptionKey;
|
|
encryptionKey = await UserSettings.getEncryptionKey();
|
|
if (encryptionKey === undefined) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
'No encryption key got found to decrypt the credentials!',
|
|
undefined,
|
|
503,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
const mode: WorkflowExecuteMode = 'internal';
|
|
const credentialsHelper = new CredentialsHelper(encryptionKey);
|
|
const decryptedDataOriginal = await credentialsHelper.getDecrypted(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
mode,
|
|
true,
|
|
);
|
|
const oauthCredentials = credentialsHelper.applyDefaultsAndOverwrites(
|
|
decryptedDataOriginal,
|
|
result.type,
|
|
mode,
|
|
);
|
|
|
|
const options: OptionsWithUrl = {
|
|
method: 'POST',
|
|
url: _.get(oauthCredentials, 'accessTokenUrl') as string,
|
|
qs: {
|
|
oauth_token,
|
|
oauth_verifier,
|
|
},
|
|
};
|
|
|
|
let oauthToken;
|
|
|
|
try {
|
|
oauthToken = await requestPromise(options);
|
|
} catch (error) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
'Unable to get access tokens!',
|
|
undefined,
|
|
404,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
// Response comes as x-www-form-urlencoded string so convert it to JSON
|
|
|
|
const oauthTokenJson = querystring.parse(oauthToken);
|
|
|
|
decryptedDataOriginal.oauthTokenData = oauthTokenJson;
|
|
|
|
const credentials = new Credentials(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
result.nodesAccess,
|
|
);
|
|
credentials.setData(decryptedDataOriginal, encryptionKey);
|
|
const newCredentialsData = credentials.getDataToSave() as unknown as ICredentialsDb;
|
|
// Add special database related data
|
|
newCredentialsData.updatedAt = this.getCurrentDate();
|
|
// Save the credentials in DB
|
|
await Db.collections.Credentials!.update(cid as any, newCredentialsData);
|
|
|
|
res.sendFile(pathResolve(__dirname, '../../templates/oauth-callback.html'));
|
|
} catch (error) {
|
|
// Error response
|
|
return ResponseHelper.sendErrorResponse(res, error);
|
|
}
|
|
},
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// OAuth2-Credential/Auth
|
|
// ----------------------------------------
|
|
|
|
// Authorize OAuth Data
|
|
this.app.get(
|
|
`/${this.restEndpoint}/oauth2-credential/auth`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<string> => {
|
|
if (req.query.id === undefined) {
|
|
res.status(500).send('Required credential id is missing.');
|
|
return '';
|
|
}
|
|
|
|
const result = await Db.collections.Credentials!.findOne(req.query.id as string);
|
|
if (result === undefined) {
|
|
res.status(404).send('The credential is not known.');
|
|
return '';
|
|
}
|
|
|
|
let encryptionKey;
|
|
encryptionKey = await UserSettings.getEncryptionKey();
|
|
if (encryptionKey === undefined) {
|
|
res.status(500).send('No encryption key got found to decrypt the credentials!');
|
|
return '';
|
|
}
|
|
|
|
const mode: WorkflowExecuteMode = 'internal';
|
|
const credentialsHelper = new CredentialsHelper(encryptionKey);
|
|
const decryptedDataOriginal = await credentialsHelper.getDecrypted(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
mode,
|
|
true,
|
|
);
|
|
const oauthCredentials = credentialsHelper.applyDefaultsAndOverwrites(
|
|
decryptedDataOriginal,
|
|
result.type,
|
|
mode,
|
|
);
|
|
|
|
const token = new csrf();
|
|
// Generate a CSRF prevention token and send it as a OAuth2 state stringma/ERR
|
|
const csrfSecret = token.secretSync();
|
|
const state = {
|
|
token: token.create(csrfSecret),
|
|
cid: req.query.id,
|
|
};
|
|
const stateEncodedStr = Buffer.from(JSON.stringify(state)).toString('base64');
|
|
|
|
const oAuthOptions: clientOAuth2.Options = {
|
|
clientId: _.get(oauthCredentials, 'clientId') as string,
|
|
clientSecret: _.get(oauthCredentials, 'clientSecret', '') as string,
|
|
accessTokenUri: _.get(oauthCredentials, 'accessTokenUrl', '') as string,
|
|
authorizationUri: _.get(oauthCredentials, 'authUrl', '') as string,
|
|
redirectUri: `${WebhookHelpers.getWebhookBaseUrl()}${
|
|
this.restEndpoint
|
|
}/oauth2-credential/callback`,
|
|
scopes: _.split(_.get(oauthCredentials, 'scope', 'openid,') as string, ','),
|
|
state: stateEncodedStr,
|
|
};
|
|
|
|
await this.externalHooks.run('oauth2.authenticate', [oAuthOptions]);
|
|
|
|
const oAuthObj = new clientOAuth2(oAuthOptions);
|
|
|
|
// Encrypt the data
|
|
const credentials = new Credentials(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
result.nodesAccess,
|
|
);
|
|
decryptedDataOriginal.csrfSecret = csrfSecret;
|
|
|
|
credentials.setData(decryptedDataOriginal, encryptionKey);
|
|
const newCredentialsData = credentials.getDataToSave() as unknown as ICredentialsDb;
|
|
|
|
// Add special database related data
|
|
newCredentialsData.updatedAt = this.getCurrentDate();
|
|
|
|
// Update the credentials in DB
|
|
await Db.collections.Credentials!.update(req.query.id as string, newCredentialsData);
|
|
|
|
const authQueryParameters = _.get(oauthCredentials, 'authQueryParameters', '') as string;
|
|
let returnUri = oAuthObj.code.getUri();
|
|
|
|
// if scope uses comma, change it as the library always return then with spaces
|
|
if ((_.get(oauthCredentials, 'scope') as string).includes(',')) {
|
|
const data = querystring.parse(returnUri.split('?')[1]);
|
|
data.scope = _.get(oauthCredentials, 'scope') as string;
|
|
returnUri = `${_.get(oauthCredentials, 'authUrl', '')}?${querystring.stringify(data)}`;
|
|
}
|
|
|
|
if (authQueryParameters) {
|
|
returnUri += `&${authQueryParameters}`;
|
|
}
|
|
|
|
return returnUri;
|
|
}),
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// OAuth2-Credential/Callback
|
|
// ----------------------------------------
|
|
|
|
// Verify and store app code. Generate access tokens and store for respective credential.
|
|
this.app.get(
|
|
`/${this.restEndpoint}/oauth2-credential/callback`,
|
|
async (req: express.Request, res: express.Response) => {
|
|
try {
|
|
// realmId it's currently just use for the quickbook OAuth2 flow
|
|
const { code, state: stateEncoded } = req.query;
|
|
|
|
if (code === undefined || stateEncoded === undefined) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
`Insufficient parameters for OAuth2 callback. Received following query parameters: ${JSON.stringify(
|
|
req.query,
|
|
)}`,
|
|
undefined,
|
|
503,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
let state;
|
|
try {
|
|
state = JSON.parse(Buffer.from(stateEncoded as string, 'base64').toString());
|
|
} catch (error) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
'Invalid state format returned',
|
|
undefined,
|
|
503,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
const result = await Db.collections.Credentials!.findOne(state.cid);
|
|
if (result === undefined) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
'The credential is not known.',
|
|
undefined,
|
|
404,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
let encryptionKey;
|
|
encryptionKey = await UserSettings.getEncryptionKey();
|
|
if (encryptionKey === undefined) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
'No encryption key got found to decrypt the credentials!',
|
|
undefined,
|
|
503,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
const mode: WorkflowExecuteMode = 'internal';
|
|
const credentialsHelper = new CredentialsHelper(encryptionKey);
|
|
const decryptedDataOriginal = await credentialsHelper.getDecrypted(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
mode,
|
|
true,
|
|
);
|
|
const oauthCredentials = credentialsHelper.applyDefaultsAndOverwrites(
|
|
decryptedDataOriginal,
|
|
result.type,
|
|
mode,
|
|
);
|
|
|
|
const token = new csrf();
|
|
if (
|
|
decryptedDataOriginal.csrfSecret === undefined ||
|
|
!token.verify(decryptedDataOriginal.csrfSecret as string, state.token)
|
|
) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
'The OAuth2 callback state is invalid!',
|
|
undefined,
|
|
404,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
let options = {};
|
|
|
|
const oAuth2Parameters = {
|
|
clientId: _.get(oauthCredentials, 'clientId') as string,
|
|
clientSecret: _.get(oauthCredentials, 'clientSecret', '') as string | undefined,
|
|
accessTokenUri: _.get(oauthCredentials, 'accessTokenUrl', '') as string,
|
|
authorizationUri: _.get(oauthCredentials, 'authUrl', '') as string,
|
|
redirectUri: `${WebhookHelpers.getWebhookBaseUrl()}${
|
|
this.restEndpoint
|
|
}/oauth2-credential/callback`,
|
|
scopes: _.split(_.get(oauthCredentials, 'scope', 'openid,') as string, ','),
|
|
};
|
|
|
|
if ((_.get(oauthCredentials, 'authentication', 'header') as string) === 'body') {
|
|
options = {
|
|
body: {
|
|
client_id: _.get(oauthCredentials, 'clientId') as string,
|
|
client_secret: _.get(oauthCredentials, 'clientSecret', '') as string,
|
|
},
|
|
};
|
|
delete oAuth2Parameters.clientSecret;
|
|
}
|
|
|
|
await this.externalHooks.run('oauth2.callback', [oAuth2Parameters]);
|
|
|
|
const oAuthObj = new clientOAuth2(oAuth2Parameters);
|
|
|
|
const queryParameters = req.originalUrl.split('?').splice(1, 1).join('');
|
|
|
|
const oauthToken = await oAuthObj.code.getToken(
|
|
`${oAuth2Parameters.redirectUri}?${queryParameters}`,
|
|
options,
|
|
);
|
|
|
|
if (Object.keys(req.query).length > 2) {
|
|
_.set(oauthToken.data, 'callbackQueryString', _.omit(req.query, 'state', 'code'));
|
|
}
|
|
|
|
if (oauthToken === undefined) {
|
|
const errorResponse = new ResponseHelper.ResponseError(
|
|
'Unable to get access tokens!',
|
|
undefined,
|
|
404,
|
|
);
|
|
return ResponseHelper.sendErrorResponse(res, errorResponse);
|
|
}
|
|
|
|
if (decryptedDataOriginal.oauthTokenData) {
|
|
// Only overwrite supplied data as some providers do for example just return the
|
|
// refresh_token on the very first request and not on subsequent ones.
|
|
Object.assign(decryptedDataOriginal.oauthTokenData, oauthToken.data);
|
|
} else {
|
|
// No data exists so simply set
|
|
decryptedDataOriginal.oauthTokenData = oauthToken.data;
|
|
}
|
|
|
|
_.unset(decryptedDataOriginal, 'csrfSecret');
|
|
|
|
const credentials = new Credentials(
|
|
result as INodeCredentialsDetails,
|
|
result.type,
|
|
result.nodesAccess,
|
|
);
|
|
credentials.setData(decryptedDataOriginal, encryptionKey);
|
|
const newCredentialsData = credentials.getDataToSave() as unknown as ICredentialsDb;
|
|
// Add special database related data
|
|
newCredentialsData.updatedAt = this.getCurrentDate();
|
|
// Save the credentials in DB
|
|
await Db.collections.Credentials!.update(state.cid, newCredentialsData);
|
|
|
|
res.sendFile(pathResolve(__dirname, '../../templates/oauth-callback.html'));
|
|
} catch (error) {
|
|
// Error response
|
|
return ResponseHelper.sendErrorResponse(res, error);
|
|
}
|
|
},
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Executions
|
|
// ----------------------------------------
|
|
|
|
// Returns all finished executions
|
|
this.app.get(
|
|
`/${this.restEndpoint}/executions`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<IExecutionsListResponse> => {
|
|
let filter: any = {};
|
|
|
|
if (req.query.filter) {
|
|
filter = JSON.parse(req.query.filter as string);
|
|
}
|
|
|
|
let limit = 20;
|
|
if (req.query.limit) {
|
|
limit = parseInt(req.query.limit as string, 10);
|
|
}
|
|
|
|
const executingWorkflowIds: string[] = [];
|
|
|
|
if (config.get('executions.mode') === 'queue') {
|
|
const currentJobs = await Queue.getInstance().getJobs(['active', 'waiting']);
|
|
executingWorkflowIds.push(
|
|
...(currentJobs.map((job) => job.data.executionId) as string[]),
|
|
);
|
|
}
|
|
// We may have manual executions even with queue so we must account for these.
|
|
executingWorkflowIds.push(
|
|
...this.activeExecutionsInstance
|
|
.getActiveExecutions()
|
|
.map((execution) => execution.id.toString()),
|
|
);
|
|
|
|
const countFilter = JSON.parse(JSON.stringify(filter));
|
|
if (countFilter.waitTill !== undefined) {
|
|
countFilter.waitTill = Not(IsNull());
|
|
}
|
|
countFilter.id = Not(In(executingWorkflowIds));
|
|
|
|
const resultsQuery = await Db.collections
|
|
.Execution!.createQueryBuilder('execution')
|
|
.select([
|
|
'execution.id',
|
|
'execution.finished',
|
|
'execution.mode',
|
|
'execution.retryOf',
|
|
'execution.retrySuccessId',
|
|
'execution.waitTill',
|
|
'execution.startedAt',
|
|
'execution.stoppedAt',
|
|
'execution.workflowData',
|
|
])
|
|
.orderBy('execution.id', 'DESC')
|
|
.take(limit);
|
|
|
|
Object.keys(filter).forEach((filterField) => {
|
|
if (filterField === 'waitTill') {
|
|
resultsQuery.andWhere(`execution.${filterField} is not null`);
|
|
} else if (filterField === 'finished' && filter[filterField] === false) {
|
|
resultsQuery.andWhere(`execution.${filterField} = :${filterField}`, {
|
|
[filterField]: filter[filterField],
|
|
});
|
|
resultsQuery.andWhere(`execution.waitTill is null`);
|
|
} else {
|
|
resultsQuery.andWhere(`execution.${filterField} = :${filterField}`, {
|
|
[filterField]: filter[filterField],
|
|
});
|
|
}
|
|
});
|
|
if (req.query.lastId) {
|
|
resultsQuery.andWhere(`execution.id < :lastId`, { lastId: req.query.lastId });
|
|
}
|
|
if (req.query.firstId) {
|
|
resultsQuery.andWhere(`execution.id > :firstId`, { firstId: req.query.firstId });
|
|
}
|
|
if (executingWorkflowIds.length > 0) {
|
|
resultsQuery.andWhere(`execution.id NOT IN (:...ids)`, { ids: executingWorkflowIds });
|
|
}
|
|
|
|
const resultsPromise = resultsQuery.getMany();
|
|
|
|
const countPromise = getExecutionsCount(countFilter);
|
|
|
|
const results: IExecutionFlattedDb[] = await resultsPromise;
|
|
const countedObjects = await countPromise;
|
|
|
|
const returnResults: IExecutionsSummary[] = [];
|
|
|
|
for (const result of results) {
|
|
returnResults.push({
|
|
id: result.id.toString(),
|
|
finished: result.finished,
|
|
mode: result.mode,
|
|
retryOf: result.retryOf ? result.retryOf.toString() : undefined,
|
|
retrySuccessId: result.retrySuccessId ? result.retrySuccessId.toString() : undefined,
|
|
waitTill: result.waitTill as Date | undefined,
|
|
startedAt: result.startedAt,
|
|
stoppedAt: result.stoppedAt,
|
|
workflowId: result.workflowData.id ? result.workflowData.id.toString() : '',
|
|
workflowName: result.workflowData.name,
|
|
});
|
|
}
|
|
|
|
return {
|
|
count: countedObjects.count,
|
|
results: returnResults,
|
|
estimated: countedObjects.estimate,
|
|
};
|
|
},
|
|
),
|
|
);
|
|
|
|
// Returns a specific execution
|
|
this.app.get(
|
|
`/${this.restEndpoint}/executions/:id`,
|
|
ResponseHelper.send(
|
|
async (
|
|
req: express.Request,
|
|
res: express.Response,
|
|
): Promise<IExecutionResponse | IExecutionFlattedResponse | undefined> => {
|
|
const result = await Db.collections.Execution!.findOne(req.params.id);
|
|
|
|
if (result === undefined) {
|
|
return undefined;
|
|
}
|
|
|
|
if (req.query.unflattedResponse === 'true') {
|
|
const fullExecutionData = ResponseHelper.unflattenExecutionData(result);
|
|
return fullExecutionData;
|
|
}
|
|
// Convert to response format in which the id is a string
|
|
(result as IExecutionFlatted as IExecutionFlattedResponse).id = result.id.toString();
|
|
return result as IExecutionFlatted as IExecutionFlattedResponse;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Retries a failed execution
|
|
this.app.post(
|
|
`/${this.restEndpoint}/executions/:id/retry`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<boolean> => {
|
|
// Get the data to execute
|
|
const fullExecutionDataFlatted = await Db.collections.Execution!.findOne(req.params.id);
|
|
|
|
if (fullExecutionDataFlatted === undefined) {
|
|
throw new ResponseHelper.ResponseError(
|
|
`The execution with the id "${req.params.id}" does not exist.`,
|
|
404,
|
|
404,
|
|
);
|
|
}
|
|
|
|
const fullExecutionData = ResponseHelper.unflattenExecutionData(fullExecutionDataFlatted);
|
|
|
|
if (fullExecutionData.finished) {
|
|
throw new Error('The execution did succeed and can so not be retried.');
|
|
}
|
|
|
|
const executionMode = 'retry';
|
|
|
|
fullExecutionData.workflowData.active = false;
|
|
|
|
// Start the workflow
|
|
const data: IWorkflowExecutionDataProcess = {
|
|
executionMode,
|
|
executionData: fullExecutionData.data,
|
|
retryOf: req.params.id,
|
|
workflowData: fullExecutionData.workflowData,
|
|
};
|
|
|
|
const { lastNodeExecuted } = data.executionData!.resultData;
|
|
|
|
if (lastNodeExecuted) {
|
|
// Remove the old error and the data of the last run of the node that it can be replaced
|
|
delete data.executionData!.resultData.error;
|
|
const { length } = data.executionData!.resultData.runData[lastNodeExecuted];
|
|
if (
|
|
length > 0 &&
|
|
data.executionData!.resultData.runData[lastNodeExecuted][length - 1].error !== undefined
|
|
) {
|
|
// Remove results only if it is an error.
|
|
// If we are retrying due to a crash, the information is simply success info from last node
|
|
data.executionData!.resultData.runData[lastNodeExecuted].pop();
|
|
// Stack will determine what to run next
|
|
}
|
|
}
|
|
|
|
if (req.body.loadWorkflow === true) {
|
|
// Loads the currently saved workflow to execute instead of the
|
|
// one saved at the time of the execution.
|
|
const workflowId = fullExecutionData.workflowData.id;
|
|
const workflowData = (await Db.collections.Workflow!.findOne(
|
|
workflowId,
|
|
)) as IWorkflowBase;
|
|
|
|
if (workflowData === undefined) {
|
|
throw new Error(
|
|
`The workflow with the ID "${workflowId}" could not be found and so the data not be loaded for the retry.`,
|
|
);
|
|
}
|
|
|
|
data.workflowData = workflowData;
|
|
const nodeTypes = NodeTypes();
|
|
const workflowInstance = new Workflow({
|
|
id: workflowData.id as string,
|
|
name: workflowData.name,
|
|
nodes: workflowData.nodes,
|
|
connections: workflowData.connections,
|
|
active: false,
|
|
nodeTypes,
|
|
staticData: undefined,
|
|
settings: workflowData.settings,
|
|
});
|
|
|
|
// Replace all of the nodes in the execution stack with the ones of the new workflow
|
|
for (const stack of data.executionData!.executionData!.nodeExecutionStack) {
|
|
// Find the data of the last executed node in the new workflow
|
|
const node = workflowInstance.getNode(stack.node.name);
|
|
if (node === null) {
|
|
throw new Error(
|
|
`Could not find the node "${stack.node.name}" in workflow. It probably got deleted or renamed. Without it the workflow can sadly not be retried.`,
|
|
);
|
|
}
|
|
|
|
// Replace the node data in the stack that it really uses the current data
|
|
stack.node = node;
|
|
}
|
|
}
|
|
|
|
const workflowRunner = new WorkflowRunner();
|
|
const executionId = await workflowRunner.run(data);
|
|
|
|
const executionData = await this.activeExecutionsInstance.getPostExecutePromise(
|
|
executionId,
|
|
);
|
|
|
|
if (executionData === undefined) {
|
|
throw new Error('The retry did not start for an unknown reason.');
|
|
}
|
|
|
|
return !!executionData.finished;
|
|
}),
|
|
);
|
|
|
|
// Delete Executions
|
|
// INFORMATION: We use POST instead of DELETE to not run into any issues
|
|
// with the query data getting to long
|
|
this.app.post(
|
|
`/${this.restEndpoint}/executions/delete`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<void> => {
|
|
const deleteData = req.body as IExecutionDeleteFilter;
|
|
|
|
if (deleteData.deleteBefore !== undefined) {
|
|
const filters = {
|
|
startedAt: LessThanOrEqual(deleteData.deleteBefore),
|
|
};
|
|
if (deleteData.filters !== undefined) {
|
|
Object.assign(filters, deleteData.filters);
|
|
}
|
|
|
|
await Db.collections.Execution!.delete(filters);
|
|
} else if (deleteData.ids !== undefined) {
|
|
// Deletes all executions with the given ids
|
|
await Db.collections.Execution!.delete(deleteData.ids);
|
|
} else {
|
|
throw new Error('Required body-data "ids" or "deleteBefore" is missing!');
|
|
}
|
|
}),
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Executing Workflows
|
|
// ----------------------------------------
|
|
|
|
// Returns all the currently working executions
|
|
this.app.get(
|
|
`/${this.restEndpoint}/executions-current`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<IExecutionsSummary[]> => {
|
|
if (config.get('executions.mode') === 'queue') {
|
|
const currentJobs = await Queue.getInstance().getJobs(['active', 'waiting']);
|
|
|
|
const currentlyRunningQueueIds = currentJobs.map((job) => job.data.executionId);
|
|
|
|
const currentlyRunningManualExecutions =
|
|
this.activeExecutionsInstance.getActiveExecutions();
|
|
const manualExecutionIds = currentlyRunningManualExecutions.map(
|
|
(execution) => execution.id,
|
|
);
|
|
|
|
const currentlyRunningExecutionIds =
|
|
currentlyRunningQueueIds.concat(manualExecutionIds);
|
|
|
|
if (currentlyRunningExecutionIds.length === 0) {
|
|
return [];
|
|
}
|
|
|
|
const resultsQuery = await Db.collections
|
|
.Execution!.createQueryBuilder('execution')
|
|
.select([
|
|
'execution.id',
|
|
'execution.workflowId',
|
|
'execution.mode',
|
|
'execution.retryOf',
|
|
'execution.startedAt',
|
|
])
|
|
.orderBy('execution.id', 'DESC')
|
|
.andWhere(`execution.id IN (:...ids)`, { ids: currentlyRunningExecutionIds });
|
|
|
|
if (req.query.filter) {
|
|
const filter = JSON.parse(req.query.filter as string);
|
|
if (filter.workflowId !== undefined) {
|
|
resultsQuery.andWhere('execution.workflowId = :workflowId', {
|
|
workflowId: filter.workflowId,
|
|
});
|
|
}
|
|
}
|
|
|
|
const results = await resultsQuery.getMany();
|
|
|
|
return results.map((result) => {
|
|
return {
|
|
id: result.id,
|
|
workflowId: result.workflowId,
|
|
mode: result.mode,
|
|
retryOf: result.retryOf !== null ? result.retryOf : undefined,
|
|
startedAt: new Date(result.startedAt),
|
|
} as IExecutionsSummary;
|
|
});
|
|
}
|
|
const executingWorkflows = this.activeExecutionsInstance.getActiveExecutions();
|
|
|
|
const returnData: IExecutionsSummary[] = [];
|
|
|
|
let filter: any = {};
|
|
if (req.query.filter) {
|
|
filter = JSON.parse(req.query.filter as string);
|
|
}
|
|
|
|
for (const data of executingWorkflows) {
|
|
if (filter.workflowId !== undefined && filter.workflowId !== data.workflowId) {
|
|
continue;
|
|
}
|
|
returnData.push({
|
|
id: data.id.toString(),
|
|
workflowId: data.workflowId === undefined ? '' : data.workflowId.toString(),
|
|
mode: data.mode,
|
|
retryOf: data.retryOf,
|
|
startedAt: new Date(data.startedAt),
|
|
});
|
|
}
|
|
returnData.sort((a, b) => parseInt(b.id, 10) - parseInt(a.id, 10));
|
|
|
|
return returnData;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Forces the execution to stop
|
|
this.app.post(
|
|
`/${this.restEndpoint}/executions-current/:id/stop`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<IExecutionsStopData> => {
|
|
if (config.get('executions.mode') === 'queue') {
|
|
// Manual executions should still be stoppable, so
|
|
// try notifying the `activeExecutions` to stop it.
|
|
const result = await this.activeExecutionsInstance.stopExecution(req.params.id);
|
|
|
|
if (result === undefined) {
|
|
// If active execution could not be found check if it is a waiting one
|
|
try {
|
|
return await this.waitTracker.stopExecution(req.params.id);
|
|
} catch (error) {
|
|
// Ignore, if it errors as then it is probably a currently running
|
|
// execution
|
|
}
|
|
} else {
|
|
return {
|
|
mode: result.mode,
|
|
startedAt: new Date(result.startedAt),
|
|
stoppedAt: result.stoppedAt ? new Date(result.stoppedAt) : undefined,
|
|
finished: result.finished,
|
|
} as IExecutionsStopData;
|
|
}
|
|
|
|
const currentJobs = await Queue.getInstance().getJobs(['active', 'waiting']);
|
|
|
|
const job = currentJobs.find(
|
|
(job) => job.data.executionId.toString() === req.params.id,
|
|
);
|
|
|
|
if (!job) {
|
|
throw new Error(`Could not stop "${req.params.id}" as it is no longer in queue.`);
|
|
} else {
|
|
await Queue.getInstance().stopJob(job);
|
|
}
|
|
|
|
const executionDb = (await Db.collections.Execution?.findOne(
|
|
req.params.id,
|
|
)) as IExecutionFlattedDb;
|
|
const fullExecutionData = ResponseHelper.unflattenExecutionData(executionDb);
|
|
|
|
const returnData: IExecutionsStopData = {
|
|
mode: fullExecutionData.mode,
|
|
startedAt: new Date(fullExecutionData.startedAt),
|
|
stoppedAt: fullExecutionData.stoppedAt
|
|
? new Date(fullExecutionData.stoppedAt)
|
|
: undefined,
|
|
finished: fullExecutionData.finished,
|
|
};
|
|
|
|
return returnData;
|
|
}
|
|
const executionId = req.params.id;
|
|
|
|
// Stopt he execution and wait till it is done and we got the data
|
|
const result = await this.activeExecutionsInstance.stopExecution(executionId);
|
|
|
|
let returnData: IExecutionsStopData;
|
|
if (result === undefined) {
|
|
// If active execution could not be found check if it is a waiting one
|
|
returnData = await this.waitTracker.stopExecution(executionId);
|
|
} else {
|
|
returnData = {
|
|
mode: result.mode,
|
|
startedAt: new Date(result.startedAt),
|
|
stoppedAt: result.stoppedAt ? new Date(result.stoppedAt) : undefined,
|
|
finished: result.finished,
|
|
};
|
|
}
|
|
|
|
return returnData;
|
|
},
|
|
),
|
|
);
|
|
|
|
// Removes a test webhook
|
|
this.app.delete(
|
|
`/${this.restEndpoint}/test-webhook/:id`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<boolean> => {
|
|
const workflowId = req.params.id;
|
|
return this.testWebhooks.cancelTestWebhook(workflowId);
|
|
}),
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Options
|
|
// ----------------------------------------
|
|
|
|
// Returns all the available timezones
|
|
this.app.get(
|
|
`/${this.restEndpoint}/options/timezones`,
|
|
ResponseHelper.send(async (req: express.Request, res: express.Response): Promise<object> => {
|
|
return timezones;
|
|
}),
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Settings
|
|
// ----------------------------------------
|
|
|
|
// Returns the settings which are needed in the UI
|
|
this.app.get(
|
|
`/${this.restEndpoint}/settings`,
|
|
ResponseHelper.send(
|
|
async (req: express.Request, res: express.Response): Promise<IN8nUISettings> => {
|
|
return this.frontendSettings;
|
|
},
|
|
),
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// User Survey
|
|
// ----------------------------------------
|
|
|
|
// Process personalization survey responses
|
|
this.app.post(
|
|
`/${this.restEndpoint}/user-survey`,
|
|
async (req: express.Request, res: express.Response) => {
|
|
if (!this.frontendSettings.personalizationSurvey.shouldShow) {
|
|
ResponseHelper.sendErrorResponse(
|
|
res,
|
|
new ResponseHelper.ResponseError('User survey already submitted', undefined, 400),
|
|
false,
|
|
);
|
|
}
|
|
|
|
const answers = req.body as IPersonalizationSurveyAnswers;
|
|
await PersonalizationSurvey.writeSurveyToDisk(answers);
|
|
this.frontendSettings.personalizationSurvey.shouldShow = false;
|
|
this.frontendSettings.personalizationSurvey.answers = answers;
|
|
ResponseHelper.sendSuccessResponse(res, undefined, true, 200);
|
|
void InternalHooksManager.getInstance().onPersonalizationSurveySubmitted(answers);
|
|
},
|
|
);
|
|
|
|
// ----------------------------------------
|
|
// Webhooks
|
|
// ----------------------------------------
|
|
|
|
if (config.get('endpoints.disableProductionWebhooksOnMainProcess') !== true) {
|
|
WebhookServer.registerProductionWebhooks.apply(this);
|
|
}
|
|
|
|
// HEAD webhook requests (test for UI)
|
|
this.app.head(
|
|
`/${this.endpointWebhookTest}/*`,
|
|
async (req: express.Request, res: express.Response) => {
|
|
// Cut away the "/webhook-test/" to get the registred part of the url
|
|
const requestUrl = (req as ICustomRequest).parsedUrl!.pathname!.slice(
|
|
this.endpointWebhookTest.length + 2,
|
|
);
|
|
|
|
let response;
|
|
try {
|
|
response = await this.testWebhooks.callTestWebhook('HEAD', requestUrl, req, res);
|
|
} catch (error) {
|
|
ResponseHelper.sendErrorResponse(res, error);
|
|
return;
|
|
}
|
|
|
|
if (response.noWebhookResponse === true) {
|
|
// Nothing else to do as the response got already sent
|
|
return;
|
|
}
|
|
|
|
ResponseHelper.sendSuccessResponse(
|
|
res,
|
|
response.data,
|
|
true,
|
|
response.responseCode,
|
|
response.headers,
|
|
);
|
|
},
|
|
);
|
|
|
|
// HEAD webhook requests (test for UI)
|
|
this.app.options(
|
|
`/${this.endpointWebhookTest}/*`,
|
|
async (req: express.Request, res: express.Response) => {
|
|
// Cut away the "/webhook-test/" to get the registred part of the url
|
|
const requestUrl = (req as ICustomRequest).parsedUrl!.pathname!.slice(
|
|
this.endpointWebhookTest.length + 2,
|
|
);
|
|
|
|
let allowedMethods: string[];
|
|
try {
|
|
allowedMethods = await this.testWebhooks.getWebhookMethods(requestUrl);
|
|
allowedMethods.push('OPTIONS');
|
|
|
|
// Add custom "Allow" header to satisfy OPTIONS response.
|
|
res.append('Allow', allowedMethods);
|
|
} catch (error) {
|
|
ResponseHelper.sendErrorResponse(res, error);
|
|
return;
|
|
}
|
|
|
|
ResponseHelper.sendSuccessResponse(res, {}, true, 204);
|
|
},
|
|
);
|
|
|
|
// GET webhook requests (test for UI)
|
|
this.app.get(
|
|
`/${this.endpointWebhookTest}/*`,
|
|
async (req: express.Request, res: express.Response) => {
|
|
// Cut away the "/webhook-test/" to get the registred part of the url
|
|
const requestUrl = (req as ICustomRequest).parsedUrl!.pathname!.slice(
|
|
this.endpointWebhookTest.length + 2,
|
|
);
|
|
|
|
let response;
|
|
try {
|
|
response = await this.testWebhooks.callTestWebhook('GET', requestUrl, req, res);
|
|
} catch (error) {
|
|
ResponseHelper.sendErrorResponse(res, error);
|
|
return;
|
|
}
|
|
|
|
if (response.noWebhookResponse === true) {
|
|
// Nothing else to do as the response got already sent
|
|
return;
|
|
}
|
|
|
|
ResponseHelper.sendSuccessResponse(
|
|
res,
|
|
response.data,
|
|
true,
|
|
response.responseCode,
|
|
response.headers,
|
|
);
|
|
},
|
|
);
|
|
|
|
// POST webhook requests (test for UI)
|
|
this.app.post(
|
|
`/${this.endpointWebhookTest}/*`,
|
|
async (req: express.Request, res: express.Response) => {
|
|
// Cut away the "/webhook-test/" to get the registred part of the url
|
|
const requestUrl = (req as ICustomRequest).parsedUrl!.pathname!.slice(
|
|
this.endpointWebhookTest.length + 2,
|
|
);
|
|
|
|
let response;
|
|
try {
|
|
response = await this.testWebhooks.callTestWebhook('POST', requestUrl, req, res);
|
|
} catch (error) {
|
|
ResponseHelper.sendErrorResponse(res, error);
|
|
return;
|
|
}
|
|
|
|
if (response.noWebhookResponse === true) {
|
|
// Nothing else to do as the response got already sent
|
|
return;
|
|
}
|
|
|
|
ResponseHelper.sendSuccessResponse(
|
|
res,
|
|
response.data,
|
|
true,
|
|
response.responseCode,
|
|
response.headers,
|
|
);
|
|
},
|
|
);
|
|
|
|
if (this.endpointPresetCredentials !== '') {
|
|
// POST endpoint to set preset credentials
|
|
this.app.post(
|
|
`/${this.endpointPresetCredentials}`,
|
|
async (req: express.Request, res: express.Response) => {
|
|
if (!this.presetCredentialsLoaded) {
|
|
const body = req.body as ICredentialsOverwrite;
|
|
|
|
if (req.headers['content-type'] !== 'application/json') {
|
|
ResponseHelper.sendErrorResponse(
|
|
res,
|
|
new Error(
|
|
'Body must be a valid JSON, make sure the content-type is application/json',
|
|
),
|
|
);
|
|
return;
|
|
}
|
|
|
|
const credentialsOverwrites = CredentialsOverwrites();
|
|
|
|
await credentialsOverwrites.init(body);
|
|
|
|
this.presetCredentialsLoaded = true;
|
|
|
|
ResponseHelper.sendSuccessResponse(res, { success: true }, true, 200);
|
|
} else {
|
|
ResponseHelper.sendErrorResponse(res, new Error('Preset credentials can be set once'));
|
|
}
|
|
},
|
|
);
|
|
}
|
|
|
|
// Read the index file and replace the path placeholder
|
|
const editorUiPath = require.resolve('n8n-editor-ui');
|
|
const filePath = pathJoin(pathDirname(editorUiPath), 'dist', 'index.html');
|
|
const n8nPath = config.get('path');
|
|
|
|
let readIndexFile = readFileSync(filePath, 'utf8');
|
|
readIndexFile = readIndexFile.replace(/\/%BASE_PATH%\//g, n8nPath);
|
|
readIndexFile = readIndexFile.replace(/\/favicon.ico/g, `${n8nPath}favicon.ico`);
|
|
|
|
// Serve the altered index.html file separately
|
|
this.app.get(`/index.html`, async (req: express.Request, res: express.Response) => {
|
|
res.send(readIndexFile);
|
|
});
|
|
|
|
// Serve the website
|
|
const startTime = new Date().toUTCString();
|
|
this.app.use(
|
|
'/',
|
|
express.static(pathJoin(pathDirname(editorUiPath), 'dist'), {
|
|
index: 'index.html',
|
|
setHeaders: (res, path) => {
|
|
if (res.req && res.req.url === '/index.html') {
|
|
// Set last modified date manually to n8n start time so
|
|
// that it hopefully refreshes the page when a new version
|
|
// got used
|
|
res.setHeader('Last-Modified', startTime);
|
|
}
|
|
},
|
|
}),
|
|
);
|
|
}
|
|
}
|
|
|
|
export async function start(): Promise<void> {
|
|
const PORT = config.get('port');
|
|
const ADDRESS = config.get('listen_address');
|
|
|
|
const app = new App();
|
|
|
|
await app.config();
|
|
|
|
let server;
|
|
|
|
if (app.protocol === 'https' && app.sslKey && app.sslCert) {
|
|
const https = require('https');
|
|
const privateKey = readFileSync(app.sslKey, 'utf8');
|
|
const cert = readFileSync(app.sslCert, 'utf8');
|
|
const credentials = { key: privateKey, cert };
|
|
server = https.createServer(credentials, app.app);
|
|
} else {
|
|
const http = require('http');
|
|
server = http.createServer(app.app);
|
|
}
|
|
|
|
server.listen(PORT, ADDRESS, async () => {
|
|
const versions = await GenericHelpers.getVersions();
|
|
console.log(`n8n ready on ${ADDRESS}, port ${PORT}`);
|
|
console.log(`Version: ${versions.cli}`);
|
|
|
|
await app.externalHooks.run('n8n.ready', [app]);
|
|
const cpus = os.cpus();
|
|
const diagnosticInfo: IDiagnosticInfo = {
|
|
basicAuthActive: config.get('security.basicAuth.active') as boolean,
|
|
databaseType: (await GenericHelpers.getConfigValue('database.type')) as DatabaseType,
|
|
disableProductionWebhooksOnMainProcess:
|
|
config.get('endpoints.disableProductionWebhooksOnMainProcess') === true,
|
|
notificationsEnabled: config.get('versionNotifications.enabled') === true,
|
|
versionCli: versions.cli,
|
|
systemInfo: {
|
|
os: {
|
|
type: os.type(),
|
|
version: os.version(),
|
|
},
|
|
memory: os.totalmem() / 1024,
|
|
cpus: {
|
|
count: cpus.length,
|
|
model: cpus[0].model,
|
|
speed: cpus[0].speed,
|
|
},
|
|
},
|
|
executionVariables: {
|
|
executions_process: config.get('executions.process'),
|
|
executions_mode: config.get('executions.mode'),
|
|
executions_timeout: config.get('executions.timeout'),
|
|
executions_timeout_max: config.get('executions.maxTimeout'),
|
|
executions_data_save_on_error: config.get('executions.saveDataOnError'),
|
|
executions_data_save_on_success: config.get('executions.saveDataOnSuccess'),
|
|
executions_data_save_on_progress: config.get('executions.saveExecutionProgress'),
|
|
executions_data_save_manual_executions: config.get('executions.saveDataManualExecutions'),
|
|
executions_data_prune: config.get('executions.pruneData'),
|
|
executions_data_max_age: config.get('executions.pruneDataMaxAge'),
|
|
executions_data_prune_timeout: config.get('executions.pruneDataTimeout'),
|
|
},
|
|
deploymentType: config.get('deployment.type'),
|
|
};
|
|
|
|
void Db.collections
|
|
.Workflow!.findOne({
|
|
select: ['createdAt'],
|
|
order: { createdAt: 'ASC' },
|
|
})
|
|
.then(async (workflow) =>
|
|
InternalHooksManager.getInstance().onServerStarted(diagnosticInfo, workflow?.createdAt),
|
|
);
|
|
});
|
|
|
|
server.on('error', (error: Error & { code: string }) => {
|
|
if (error.code === 'EADDRINUSE') {
|
|
console.log(
|
|
`n8n's port ${PORT} is already in use. Do you have another instance of n8n running already?`,
|
|
);
|
|
process.exit(1);
|
|
}
|
|
});
|
|
}
|
|
|
|
async function getExecutionsCount(
|
|
countFilter: IDataObject,
|
|
): Promise<{ count: number; estimate: boolean }> {
|
|
const dbType = (await GenericHelpers.getConfigValue('database.type')) as DatabaseType;
|
|
const filteredFields = Object.keys(countFilter).filter((field) => field !== 'id');
|
|
|
|
// Do regular count for other databases than pgsql and
|
|
// if we are filtering based on workflowId or finished fields.
|
|
if (dbType !== 'postgresdb' || filteredFields.length > 0) {
|
|
const count = await Db.collections.Execution!.count(countFilter);
|
|
return { count, estimate: false };
|
|
}
|
|
|
|
try {
|
|
// Get an estimate of rows count.
|
|
const estimateRowsNumberSql =
|
|
"SELECT n_live_tup FROM pg_stat_all_tables WHERE relname = 'execution_entity';";
|
|
const rows: Array<{ n_live_tup: string }> = await Db.collections.Execution!.query(
|
|
estimateRowsNumberSql,
|
|
);
|
|
|
|
const estimate = parseInt(rows[0].n_live_tup, 10);
|
|
// If over 100k, return just an estimate.
|
|
if (estimate > 100000) {
|
|
// if less than 100k, we get the real count as even a full
|
|
// table scan should not take so long.
|
|
return { count: estimate, estimate: true };
|
|
}
|
|
} catch (err) {
|
|
LoggerProxy.warn(`Unable to get executions count from postgres: ${err}`);
|
|
}
|
|
|
|
const count = await Db.collections.Execution!.count(countFilter);
|
|
return { count, estimate: false };
|
|
}
|