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https://github.com/n8n-io/n8n.git
synced 2024-12-25 04:34:06 -08:00
refactor: Setup node context API, and consolidate code between Webhook and Wait nodes (no-changelog) (#6464)
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कारतोफ्फेलस्क्रिप्ट™
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parent
29882a6f39
commit
4c854f4f23
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@ -106,13 +106,13 @@ export class WaitingWebhooks {
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workflow,
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workflow.getNode(lastNodeExecuted) as INode,
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additionalData,
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).filter((webhook) => {
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).find((webhook) => {
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return (
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webhook.httpMethod === httpMethod &&
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webhook.path === path &&
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webhook.webhookDescription.restartWebhook === true
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);
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})[0];
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});
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if (webhookData === undefined) {
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// If no data got found it means that the execution can not be started via a webhook.
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@ -518,7 +518,11 @@ export const N8N_CONTACT_EMAIL = 'contact@n8n.io';
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export const EXPRESSION_EDITOR_PARSER_TIMEOUT = 15_000; // ms
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export const KEEP_AUTH_IN_NDV_FOR_NODES = [HTTP_REQUEST_NODE_TYPE, WEBHOOK_NODE_TYPE];
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export const KEEP_AUTH_IN_NDV_FOR_NODES = [
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HTTP_REQUEST_NODE_TYPE,
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WEBHOOK_NODE_TYPE,
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WAIT_NODE_TYPE,
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];
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export const MAIN_AUTH_FIELD_NAME = 'authentication';
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export const NODE_RESOURCE_FIELD_NAME = 'resource';
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@ -1,44 +1,34 @@
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import type {
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IExecuteFunctions,
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ICredentialDataDecryptedObject,
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IDataObject,
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INodeExecutionData,
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INodeType,
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INodeTypeDescription,
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IWebhookFunctions,
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IWebhookResponseData,
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INodeProperties,
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IDisplayOptions,
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} from 'n8n-workflow';
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import { BINARY_ENCODING, WAIT_TIME_UNLIMITED, NodeOperationError } from 'n8n-workflow';
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import { WAIT_TIME_UNLIMITED } from 'n8n-workflow';
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import fs from 'fs';
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import stream from 'stream';
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import { promisify } from 'util';
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import basicAuth from 'basic-auth';
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import type { Response } from 'express';
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import formidable from 'formidable';
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import isbot from 'isbot';
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import { file as tmpFile } from 'tmp-promise';
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import {
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authenticationProperty,
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credentialsProperty,
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defaultWebhookDescription,
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httpMethodsProperty,
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optionsProperty,
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responseBinaryPropertyNameProperty,
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responseCodeProperty,
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responseDataProperty,
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responseModeProperty,
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} from '../Webhook/description';
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import { Webhook } from '../Webhook/Webhook.node';
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const pipeline = promisify(stream.pipeline);
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const displayOnWebhook: IDisplayOptions = {
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show: {
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resume: ['webhook'],
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},
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};
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function authorizationError(resp: Response, realm: string, responseCode: number, message?: string) {
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if (message === undefined) {
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message = 'Authorization problem!';
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if (responseCode === 401) {
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message = 'Authorization is required!';
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} else if (responseCode === 403) {
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message = 'Authorization data is wrong!';
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}
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}
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export class Wait extends Webhook {
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authPropertyName = 'incomingAuthentication';
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resp.writeHead(responseCode, { 'WWW-Authenticate': `Basic realm="${realm}"` });
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resp.end(message);
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return {
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noWebhookResponse: true,
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};
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}
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export class Wait implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Wait',
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name: 'wait',
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@ -52,70 +42,16 @@ export class Wait implements INodeType {
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},
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inputs: ['main'],
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outputs: ['main'],
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credentials: [
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{
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name: 'httpBasicAuth',
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required: true,
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displayOptions: {
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show: {
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incomingAuthentication: ['basicAuth'],
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},
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},
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},
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{
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name: 'httpHeaderAuth',
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required: true,
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displayOptions: {
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show: {
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incomingAuthentication: ['headerAuth'],
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},
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},
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},
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],
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credentials: credentialsProperty(this.authPropertyName),
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webhooks: [
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{
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name: 'default',
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httpMethod: '={{$parameter["httpMethod"]}}',
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isFullPath: true,
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responseCode: '={{$parameter["responseCode"]}}',
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responseMode: '={{$parameter["responseMode"]}}',
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...defaultWebhookDescription,
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responseData: '={{$parameter["responseData"]}}',
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responseBinaryPropertyName: '={{$parameter["responseBinaryPropertyName"]}}',
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responseContentType: '={{$parameter["options"]["responseContentType"]}}',
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responsePropertyName: '={{$parameter["options"]["responsePropertyName"]}}',
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responseHeaders: '={{$parameter["options"]["responseHeaders"]}}',
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path: '={{$parameter["options"]["webhookSuffix"] || ""}}',
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restartWebhook: true,
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},
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],
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properties: [
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{
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displayName: 'Webhook Authentication',
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name: 'incomingAuthentication',
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type: 'options',
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displayOptions: {
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show: {
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resume: ['webhook'],
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},
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},
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options: [
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{
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name: 'Basic Auth',
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value: 'basicAuth',
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},
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{
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name: 'Header Auth',
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value: 'headerAuth',
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},
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{
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name: 'None',
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value: 'none',
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},
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],
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default: 'none',
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description:
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'If and how incoming resume-webhook-requests to $execution.resumeUrl should be authenticated for additional security',
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},
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{
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displayName: 'Resume',
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name: 'resume',
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@ -140,6 +76,12 @@ export class Wait implements INodeType {
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default: 'timeInterval',
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description: 'Determines the waiting mode to use before the workflow continues',
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},
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{
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...authenticationProperty(this.authPropertyName),
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description:
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'If and how incoming resume-webhook-requests to $execution.resumeUrl should be authenticated for additional security',
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displayOptions: displayOnWebhook,
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},
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// ----------------------------------
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// resume:specificTime
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@ -215,142 +157,39 @@ export class Wait implements INodeType {
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'The webhook URL will be generated at run time. It can be referenced with the <strong>$execution.resumeUrl</strong> variable. Send it somewhere before getting to this node. <a href="https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.wait/?utm_source=n8n_app&utm_medium=node_settings_modal-credential_link&utm_campaign=n8n-nodes-base.wait" target="_blank">More info</a>',
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name: 'webhookNotice',
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type: 'notice',
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displayOptions: {
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show: {
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resume: ['webhook'],
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},
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},
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displayOptions: displayOnWebhook,
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default: '',
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},
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{
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displayName: 'HTTP Method',
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name: 'httpMethod',
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type: 'options',
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displayOptions: {
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show: {
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resume: ['webhook'],
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},
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},
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options: [
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{
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name: 'DELETE',
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value: 'DELETE',
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},
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{
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name: 'GET',
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value: 'GET',
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},
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{
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name: 'HEAD',
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value: 'HEAD',
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},
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{
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name: 'PATCH',
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value: 'PATCH',
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},
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{
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name: 'POST',
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value: 'POST',
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},
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{
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name: 'PUT',
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value: 'PUT',
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},
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],
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default: 'GET',
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...httpMethodsProperty,
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displayOptions: displayOnWebhook,
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description: 'The HTTP method of the Webhook call',
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},
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{
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displayName: 'Response Code',
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name: 'responseCode',
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type: 'number',
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displayOptions: {
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show: {
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resume: ['webhook'],
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},
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},
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typeOptions: {
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minValue: 100,
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maxValue: 599,
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},
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default: 200,
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description: 'The HTTP Response code to return',
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...responseCodeProperty,
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displayOptions: displayOnWebhook,
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},
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{
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displayName: 'Respond',
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name: 'responseMode',
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type: 'options',
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displayOptions: {
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show: {
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resume: ['webhook'],
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},
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},
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options: [
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{
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name: 'Immediately',
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value: 'onReceived',
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description: 'As soon as this node executes',
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},
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{
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name: 'When Last Node Finishes',
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value: 'lastNode',
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description: 'Returns data of the last-executed node',
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},
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{
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name: "Using 'Respond to Webhook' Node",
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value: 'responseNode',
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description: 'Response defined in that node',
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},
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],
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default: 'onReceived',
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description: 'When and how to respond to the webhook',
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...responseModeProperty,
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displayOptions: displayOnWebhook,
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},
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{
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displayName: 'Response Data',
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name: 'responseData',
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type: 'options',
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...responseDataProperty,
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displayOptions: {
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show: {
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resume: ['webhook'],
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responseMode: ['lastNode'],
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...responseDataProperty.displayOptions?.show,
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...displayOnWebhook.show,
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},
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},
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options: [
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{
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name: 'All Entries',
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value: 'allEntries',
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description: 'Returns all the entries of the last node. Always returns an array.',
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},
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{
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name: 'First Entry JSON',
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value: 'firstEntryJson',
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description:
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'Returns the JSON data of the first entry of the last node. Always returns a JSON object.',
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},
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{
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name: 'First Entry Binary',
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value: 'firstEntryBinary',
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description:
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'Returns the binary data of the first entry of the last node. Always returns a binary file.',
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},
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],
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default: 'firstEntryJson',
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description:
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'What data should be returned. If it should return all the items as array or only the first item as object.',
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},
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{
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displayName: 'Property Name',
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name: 'responseBinaryPropertyName',
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type: 'string',
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required: true,
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default: 'data',
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...responseBinaryPropertyNameProperty,
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displayOptions: {
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show: {
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resume: ['webhook'],
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responseData: ['firstEntryBinary'],
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...responseBinaryPropertyNameProperty.displayOptions?.show,
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...displayOnWebhook.show,
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},
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},
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description: 'Name of the binary property to return',
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},
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{
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displayName: 'Limit Wait Time',
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@ -360,11 +199,7 @@ export class Wait implements INodeType {
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// eslint-disable-next-line n8n-nodes-base/node-param-description-boolean-without-whether
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description:
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'If no webhook call is received, the workflow will automatically resume execution after the specified limit type',
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displayOptions: {
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show: {
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resume: ['webhook'],
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},
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},
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displayOptions: displayOnWebhook,
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},
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{
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displayName: 'Limit Type',
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@ -376,7 +211,7 @@ export class Wait implements INodeType {
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displayOptions: {
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show: {
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limitWaitTime: [true],
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resume: ['webhook'],
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...displayOnWebhook.show,
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},
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},
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options: [
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@ -400,7 +235,7 @@ export class Wait implements INodeType {
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show: {
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limitType: ['afterTimeInterval'],
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limitWaitTime: [true],
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resume: ['webhook'],
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...displayOnWebhook.show,
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},
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},
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typeOptions: {
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@ -418,7 +253,7 @@ export class Wait implements INodeType {
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show: {
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limitType: ['afterTimeInterval'],
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limitWaitTime: [true],
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resume: ['webhook'],
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...displayOnWebhook.show,
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},
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},
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options: [
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@ -450,132 +285,17 @@ export class Wait implements INodeType {
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show: {
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limitType: ['atSpecifiedTime'],
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limitWaitTime: [true],
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resume: ['webhook'],
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...displayOnWebhook.show,
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},
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},
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default: '',
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description: 'Continue execution after the specified date and time',
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},
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{
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displayName: 'Options',
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name: 'options',
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type: 'collection',
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displayOptions: {
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show: {
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resume: ['webhook'],
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},
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},
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placeholder: 'Add Option',
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default: {},
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...optionsProperty,
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displayOptions: displayOnWebhook,
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options: [
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{
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displayName: 'Binary Data',
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name: 'binaryData',
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type: 'boolean',
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displayOptions: {
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show: {
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'/httpMethod': ['PATCH', 'PUT', 'POST'],
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},
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},
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default: false,
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description: 'Whether the webhook will receive binary data',
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},
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{
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displayName: 'Binary Property',
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name: 'binaryPropertyName',
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type: 'string',
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default: 'data',
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displayOptions: {
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show: {
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binaryData: [true],
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},
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},
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description:
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'Name of the binary property to which to write the data of the received file. If the data gets received via "Form-Data Multipart" it will be the prefix and a number starting with 0 will be attached to it.',
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},
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{
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displayName: 'Ignore Bots',
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name: 'ignoreBots',
|
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type: 'boolean',
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default: false,
|
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description:
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'Whether to ignore requests from bots like link previewers and web crawlers',
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},
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{
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displayName: 'Response Data',
|
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name: 'responseData',
|
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type: 'string',
|
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displayOptions: {
|
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show: {
|
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'/responseMode': ['onReceived'],
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},
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},
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default: '',
|
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placeholder: 'success',
|
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description: 'Custom response data to send',
|
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},
|
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{
|
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displayName: 'Response Content-Type',
|
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name: 'responseContentType',
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type: 'string',
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displayOptions: {
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show: {
|
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'/responseData': ['firstEntryJson'],
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'/responseMode': ['lastNode'],
|
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},
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},
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default: '',
|
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placeholder: 'application/xml',
|
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// eslint-disable-next-line n8n-nodes-base/node-param-description-miscased-json
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description:
|
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'Set a custom content-type to return if another one as the "application/json" should be returned',
|
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},
|
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{
|
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displayName: 'Response Headers',
|
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name: 'responseHeaders',
|
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placeholder: 'Add Response Header',
|
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description: 'Add headers to the webhook response',
|
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type: 'fixedCollection',
|
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typeOptions: {
|
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multipleValues: true,
|
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},
|
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default: {},
|
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options: [
|
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{
|
||||
name: 'entries',
|
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displayName: 'Entries',
|
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values: [
|
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{
|
||||
displayName: 'Name',
|
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name: 'name',
|
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type: 'string',
|
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default: '',
|
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description: 'Name of the header',
|
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},
|
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{
|
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displayName: 'Value',
|
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name: 'value',
|
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type: 'string',
|
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default: '',
|
||||
description: 'Value of the header',
|
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},
|
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],
|
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},
|
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],
|
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},
|
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{
|
||||
displayName: 'Property Name',
|
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name: 'responsePropertyName',
|
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type: 'string',
|
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displayOptions: {
|
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show: {
|
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'/responseData': ['firstEntryJson'],
|
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'/responseMode': ['lastNode'],
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},
|
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},
|
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default: 'data',
|
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description: 'Name of the property to return the data of instead of the whole JSON',
|
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},
|
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...(optionsProperty.options as INodeProperties[]),
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{
|
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displayName: 'Webhook Suffix',
|
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name: 'webhookSuffix',
|
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|
|
@ -585,253 +305,23 @@ export class Wait implements INodeType {
|
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description:
|
||||
'This suffix path will be appended to the restart URL. Helpful when using multiple wait nodes. Note: Does not support expressions.',
|
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},
|
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// {
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// displayName: 'Raw Body',
|
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// name: 'rawBody',
|
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// type: 'boolean',
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// displayOptions: {
|
||||
// hide: {
|
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// binaryData: [
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// true,
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// ],
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// },
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// },
|
||||
// default: false,
|
||||
// description: 'Raw body (binary)',
|
||||
// },
|
||||
],
|
||||
},
|
||||
],
|
||||
};
|
||||
|
||||
async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
|
||||
// INFO: Currently (20.06.2021) 100% identical with Webhook-Node
|
||||
const incomingAuthentication = this.getNodeParameter('incomingAuthentication') as string;
|
||||
const options = this.getNodeParameter('options', {}) as IDataObject;
|
||||
const req = this.getRequestObject();
|
||||
const resp = this.getResponseObject();
|
||||
const headers = this.getHeaderData();
|
||||
const realm = 'Webhook';
|
||||
|
||||
const ignoreBots = options.ignoreBots as boolean;
|
||||
if (ignoreBots && isbot((headers as IDataObject)['user-agent'] as string)) {
|
||||
return authorizationError(resp, realm, 403);
|
||||
}
|
||||
|
||||
if (incomingAuthentication === 'basicAuth') {
|
||||
// Basic authorization is needed to call webhook
|
||||
let httpBasicAuth: ICredentialDataDecryptedObject | undefined;
|
||||
|
||||
try {
|
||||
httpBasicAuth = await this.getCredentials('httpBasicAuth');
|
||||
} catch (error) {
|
||||
// Do nothing
|
||||
}
|
||||
|
||||
if (httpBasicAuth === undefined || !httpBasicAuth.user || !httpBasicAuth.password) {
|
||||
// Data is not defined on node so can not authenticate
|
||||
return authorizationError(resp, realm, 500, 'No authentication data defined on node!');
|
||||
}
|
||||
|
||||
const basicAuthData = basicAuth(req);
|
||||
|
||||
if (basicAuthData === undefined) {
|
||||
// Authorization data is missing
|
||||
return authorizationError(resp, realm, 401);
|
||||
}
|
||||
|
||||
if (
|
||||
basicAuthData.name !== httpBasicAuth.user ||
|
||||
basicAuthData.pass !== httpBasicAuth.password
|
||||
) {
|
||||
// Provided authentication data is wrong
|
||||
return authorizationError(resp, realm, 403);
|
||||
}
|
||||
} else if (incomingAuthentication === 'headerAuth') {
|
||||
// Special header with value is needed to call webhook
|
||||
let httpHeaderAuth: ICredentialDataDecryptedObject | undefined;
|
||||
|
||||
try {
|
||||
httpHeaderAuth = await this.getCredentials('httpHeaderAuth');
|
||||
} catch (error) {
|
||||
// Do nothing
|
||||
}
|
||||
|
||||
if (httpHeaderAuth === undefined || !httpHeaderAuth.name || !httpHeaderAuth.value) {
|
||||
// Data is not defined on node so can not authenticate
|
||||
return authorizationError(resp, realm, 500, 'No authentication data defined on node!');
|
||||
}
|
||||
const headerName = (httpHeaderAuth.name as string).toLowerCase();
|
||||
const headerValue = httpHeaderAuth.value as string;
|
||||
|
||||
if (
|
||||
!headers.hasOwnProperty(headerName) ||
|
||||
(headers as IDataObject)[headerName] !== headerValue
|
||||
) {
|
||||
// Provided authentication data is wrong
|
||||
return authorizationError(resp, realm, 403);
|
||||
}
|
||||
}
|
||||
|
||||
const mimeType = headers['content-type'] ?? 'application/json';
|
||||
if (mimeType.includes('multipart/form-data')) {
|
||||
const form = new formidable.IncomingForm({ multiples: true });
|
||||
|
||||
return new Promise((resolve, _reject) => {
|
||||
form.parse(req, async (err, data, files) => {
|
||||
const returnItem: INodeExecutionData = {
|
||||
binary: {},
|
||||
json: {
|
||||
headers,
|
||||
params: this.getParamsData(),
|
||||
query: this.getQueryData(),
|
||||
body: data,
|
||||
},
|
||||
};
|
||||
|
||||
let count = 0;
|
||||
for (const xfile of Object.keys(files)) {
|
||||
const processFiles: formidable.File[] = [];
|
||||
let multiFile = false;
|
||||
if (Array.isArray(files[xfile])) {
|
||||
processFiles.push(...(files[xfile] as formidable.File[]));
|
||||
multiFile = true;
|
||||
} else {
|
||||
processFiles.push(files[xfile] as formidable.File);
|
||||
}
|
||||
|
||||
let fileCount = 0;
|
||||
for (const file of processFiles) {
|
||||
let binaryPropertyName = xfile;
|
||||
if (binaryPropertyName.endsWith('[]')) {
|
||||
binaryPropertyName = binaryPropertyName.slice(0, -2);
|
||||
}
|
||||
if (multiFile) {
|
||||
binaryPropertyName += fileCount++;
|
||||
}
|
||||
if (options.binaryPropertyName) {
|
||||
binaryPropertyName = `${options.binaryPropertyName}${count}`;
|
||||
}
|
||||
|
||||
const fileJson = file.toJSON();
|
||||
returnItem.binary![binaryPropertyName] = await this.nodeHelpers.copyBinaryFile(
|
||||
file.path,
|
||||
fileJson.name || fileJson.filename,
|
||||
fileJson.type as string,
|
||||
);
|
||||
|
||||
count += 1;
|
||||
}
|
||||
}
|
||||
resolve({
|
||||
workflowData: [[returnItem]],
|
||||
});
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
if (options.binaryData === true) {
|
||||
const binaryFile = await tmpFile({ prefix: 'n8n-webhook-' });
|
||||
|
||||
try {
|
||||
await pipeline(req, fs.createWriteStream(binaryFile.path));
|
||||
|
||||
const returnItem: INodeExecutionData = {
|
||||
binary: {},
|
||||
json: {
|
||||
headers,
|
||||
params: this.getParamsData(),
|
||||
query: this.getQueryData(),
|
||||
body: this.getBodyData(),
|
||||
},
|
||||
};
|
||||
|
||||
const binaryPropertyName = (options.binaryPropertyName || 'data') as string;
|
||||
returnItem.binary![binaryPropertyName] = await this.nodeHelpers.copyBinaryFile(
|
||||
binaryFile.path,
|
||||
mimeType,
|
||||
);
|
||||
|
||||
return {
|
||||
workflowData: [[returnItem]],
|
||||
};
|
||||
} catch (error) {
|
||||
throw new NodeOperationError(this.getNode(), error as Error);
|
||||
} finally {
|
||||
await binaryFile.cleanup();
|
||||
}
|
||||
}
|
||||
|
||||
const response: INodeExecutionData = {
|
||||
json: {
|
||||
headers,
|
||||
params: this.getParamsData(),
|
||||
query: this.getQueryData(),
|
||||
body: this.getBodyData(),
|
||||
},
|
||||
};
|
||||
|
||||
if (options.rawBody) {
|
||||
response.binary = {
|
||||
data: {
|
||||
data: req.rawBody.toString(BINARY_ENCODING),
|
||||
mimeType,
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
let webhookResponse: string | undefined;
|
||||
if (options.responseData) {
|
||||
webhookResponse = options.responseData as string;
|
||||
}
|
||||
|
||||
return {
|
||||
webhookResponse,
|
||||
workflowData: [[response]],
|
||||
};
|
||||
}
|
||||
|
||||
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
|
||||
const resume = this.getNodeParameter('resume', 0) as string;
|
||||
async execute(context: IExecuteFunctions): Promise<INodeExecutionData[][]> {
|
||||
const resume = context.getNodeParameter('resume', 0) as string;
|
||||
|
||||
if (resume === 'webhook') {
|
||||
let waitTill = new Date(WAIT_TIME_UNLIMITED);
|
||||
|
||||
const limitWaitTime = this.getNodeParameter('limitWaitTime', 0);
|
||||
|
||||
if (limitWaitTime === true) {
|
||||
const limitType = this.getNodeParameter('limitType', 0);
|
||||
if (limitType === 'afterTimeInterval') {
|
||||
let waitAmount = this.getNodeParameter('resumeAmount', 0) as number;
|
||||
const resumeUnit = this.getNodeParameter('resumeUnit', 0);
|
||||
if (resumeUnit === 'minutes') {
|
||||
waitAmount *= 60;
|
||||
}
|
||||
if (resumeUnit === 'hours') {
|
||||
waitAmount *= 60 * 60;
|
||||
}
|
||||
if (resumeUnit === 'days') {
|
||||
waitAmount *= 60 * 60 * 24;
|
||||
}
|
||||
|
||||
waitAmount *= 1000;
|
||||
|
||||
waitTill = new Date(new Date().getTime() + waitAmount);
|
||||
} else {
|
||||
waitTill = new Date(this.getNodeParameter('maxDateAndTime', 0) as string);
|
||||
}
|
||||
}
|
||||
|
||||
await this.putExecutionToWait(waitTill);
|
||||
|
||||
return [this.getInputData()];
|
||||
return this.handleWebhookResume(context);
|
||||
}
|
||||
|
||||
let waitTill: Date;
|
||||
if (resume === 'timeInterval') {
|
||||
const unit = this.getNodeParameter('unit', 0) as string;
|
||||
const unit = context.getNodeParameter('unit', 0) as string;
|
||||
|
||||
let waitAmount = this.getNodeParameter('amount', 0) as number;
|
||||
let waitAmount = context.getNodeParameter('amount', 0) as number;
|
||||
if (unit === 'minutes') {
|
||||
waitAmount *= 60;
|
||||
}
|
||||
|
|
@ -847,7 +337,7 @@ export class Wait implements INodeType {
|
|||
waitTill = new Date(new Date().getTime() + waitAmount);
|
||||
} else {
|
||||
// resume: dateTime
|
||||
const dateTime = this.getNodeParameter('dateTime', 0) as string;
|
||||
const dateTime = context.getNodeParameter('dateTime', 0) as string;
|
||||
|
||||
waitTill = new Date(dateTime);
|
||||
}
|
||||
|
|
@ -859,14 +349,48 @@ export class Wait implements INodeType {
|
|||
// we just check the database every 60 seconds.
|
||||
return new Promise((resolve, _reject) => {
|
||||
setTimeout(() => {
|
||||
resolve([this.getInputData()]);
|
||||
resolve([context.getInputData()]);
|
||||
}, waitValue);
|
||||
});
|
||||
}
|
||||
|
||||
// If longer than 60 seconds put execution to wait
|
||||
await this.putExecutionToWait(waitTill);
|
||||
// If longer than 65 seconds put execution to wait
|
||||
return this.putToWait(context, waitTill);
|
||||
}
|
||||
|
||||
return [this.getInputData()];
|
||||
private async handleWebhookResume(context: IExecuteFunctions) {
|
||||
let waitTill = new Date(WAIT_TIME_UNLIMITED);
|
||||
|
||||
const limitWaitTime = context.getNodeParameter('limitWaitTime', 0);
|
||||
|
||||
if (limitWaitTime === true) {
|
||||
const limitType = context.getNodeParameter('limitType', 0);
|
||||
if (limitType === 'afterTimeInterval') {
|
||||
let waitAmount = context.getNodeParameter('resumeAmount', 0) as number;
|
||||
const resumeUnit = context.getNodeParameter('resumeUnit', 0);
|
||||
if (resumeUnit === 'minutes') {
|
||||
waitAmount *= 60;
|
||||
}
|
||||
if (resumeUnit === 'hours') {
|
||||
waitAmount *= 60 * 60;
|
||||
}
|
||||
if (resumeUnit === 'days') {
|
||||
waitAmount *= 60 * 60 * 24;
|
||||
}
|
||||
|
||||
waitAmount *= 1000;
|
||||
|
||||
waitTill = new Date(new Date().getTime() + waitAmount);
|
||||
} else {
|
||||
waitTill = new Date(context.getNodeParameter('maxDateAndTime', 0) as string);
|
||||
}
|
||||
}
|
||||
|
||||
return this.putToWait(context, waitTill);
|
||||
}
|
||||
|
||||
private async putToWait(context: IExecuteFunctions, waitTill: Date) {
|
||||
await context.putExecutionToWait(waitTill);
|
||||
return [context.getInputData()];
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,43 +1,40 @@
|
|||
/* eslint-disable n8n-nodes-base/node-execute-block-wrong-error-thrown */
|
||||
import type {
|
||||
IWebhookFunctions,
|
||||
ICredentialDataDecryptedObject,
|
||||
IDataObject,
|
||||
INodeExecutionData,
|
||||
INodeType,
|
||||
INodeTypeDescription,
|
||||
IWebhookResponseData,
|
||||
} from 'n8n-workflow';
|
||||
import { BINARY_ENCODING, NodeOperationError } from 'n8n-workflow';
|
||||
import { BINARY_ENCODING, NodeOperationError, Node } from 'n8n-workflow';
|
||||
|
||||
import fs from 'fs';
|
||||
import stream from 'stream';
|
||||
import { promisify } from 'util';
|
||||
import basicAuth from 'basic-auth';
|
||||
import type { Response } from 'express';
|
||||
import formidable from 'formidable';
|
||||
import isbot from 'isbot';
|
||||
import { file as tmpFile } from 'tmp-promise';
|
||||
|
||||
import {
|
||||
authenticationProperty,
|
||||
credentialsProperty,
|
||||
defaultWebhookDescription,
|
||||
httpMethodsProperty,
|
||||
optionsProperty,
|
||||
responseBinaryPropertyNameProperty,
|
||||
responseCodeProperty,
|
||||
responseDataProperty,
|
||||
responseModeProperty,
|
||||
} from './description';
|
||||
import { WebhookAuthorizationError } from './error';
|
||||
|
||||
const pipeline = promisify(stream.pipeline);
|
||||
|
||||
function authorizationError(resp: Response, realm: string, responseCode: number, message?: string) {
|
||||
if (message === undefined) {
|
||||
message = 'Authorization problem!';
|
||||
if (responseCode === 401) {
|
||||
message = 'Authorization is required!';
|
||||
} else if (responseCode === 403) {
|
||||
message = 'Authorization data is wrong!';
|
||||
}
|
||||
}
|
||||
export class Webhook extends Node {
|
||||
authPropertyName = 'authentication';
|
||||
|
||||
resp.writeHead(responseCode, { 'WWW-Authenticate': `Basic realm="${realm}"` });
|
||||
resp.end(message);
|
||||
return {
|
||||
noWebhookResponse: true,
|
||||
};
|
||||
}
|
||||
|
||||
export class Webhook implements INodeType {
|
||||
description: INodeTypeDescription = {
|
||||
displayName: 'Webhook',
|
||||
icon: 'file:webhook.svg',
|
||||
|
|
@ -64,97 +61,11 @@ export class Webhook implements INodeType {
|
|||
// eslint-disable-next-line n8n-nodes-base/node-class-description-inputs-wrong-regular-node
|
||||
inputs: [],
|
||||
outputs: ['main'],
|
||||
credentials: [
|
||||
{
|
||||
name: 'httpBasicAuth',
|
||||
required: true,
|
||||
displayOptions: {
|
||||
show: {
|
||||
authentication: ['basicAuth'],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: 'httpHeaderAuth',
|
||||
required: true,
|
||||
displayOptions: {
|
||||
show: {
|
||||
authentication: ['headerAuth'],
|
||||
},
|
||||
},
|
||||
},
|
||||
],
|
||||
webhooks: [
|
||||
{
|
||||
name: 'default',
|
||||
httpMethod: '={{$parameter["httpMethod"]}}',
|
||||
isFullPath: true,
|
||||
responseCode: '={{$parameter["responseCode"]}}',
|
||||
responseMode: '={{$parameter["responseMode"]}}',
|
||||
responseData:
|
||||
'={{$parameter["responseData"] || ($parameter.options.noResponseBody ? "noData" : undefined) }}',
|
||||
responseBinaryPropertyName: '={{$parameter["responseBinaryPropertyName"]}}',
|
||||
responseContentType: '={{$parameter["options"]["responseContentType"]}}',
|
||||
responsePropertyName: '={{$parameter["options"]["responsePropertyName"]}}',
|
||||
responseHeaders: '={{$parameter["options"]["responseHeaders"]}}',
|
||||
path: '={{$parameter["path"]}}',
|
||||
},
|
||||
],
|
||||
credentials: credentialsProperty(this.authPropertyName),
|
||||
webhooks: [defaultWebhookDescription],
|
||||
properties: [
|
||||
{
|
||||
displayName: 'Authentication',
|
||||
name: 'authentication',
|
||||
type: 'options',
|
||||
options: [
|
||||
{
|
||||
name: 'Basic Auth',
|
||||
value: 'basicAuth',
|
||||
},
|
||||
{
|
||||
name: 'Header Auth',
|
||||
value: 'headerAuth',
|
||||
},
|
||||
{
|
||||
name: 'None',
|
||||
value: 'none',
|
||||
},
|
||||
],
|
||||
default: 'none',
|
||||
description: 'The way to authenticate',
|
||||
},
|
||||
{
|
||||
displayName: 'HTTP Method',
|
||||
name: 'httpMethod',
|
||||
type: 'options',
|
||||
options: [
|
||||
{
|
||||
name: 'DELETE',
|
||||
value: 'DELETE',
|
||||
},
|
||||
{
|
||||
name: 'GET',
|
||||
value: 'GET',
|
||||
},
|
||||
{
|
||||
name: 'HEAD',
|
||||
value: 'HEAD',
|
||||
},
|
||||
{
|
||||
name: 'PATCH',
|
||||
value: 'PATCH',
|
||||
},
|
||||
{
|
||||
name: 'POST',
|
||||
value: 'POST',
|
||||
},
|
||||
{
|
||||
name: 'PUT',
|
||||
value: 'PUT',
|
||||
},
|
||||
],
|
||||
default: 'GET',
|
||||
description: 'The HTTP method to listen to',
|
||||
},
|
||||
authenticationProperty(this.authPropertyName),
|
||||
httpMethodsProperty,
|
||||
{
|
||||
displayName: 'Path',
|
||||
name: 'path',
|
||||
|
|
@ -164,30 +75,7 @@ export class Webhook implements INodeType {
|
|||
required: true,
|
||||
description: 'The path to listen to',
|
||||
},
|
||||
{
|
||||
displayName: 'Respond',
|
||||
name: 'responseMode',
|
||||
type: 'options',
|
||||
options: [
|
||||
{
|
||||
name: 'Immediately',
|
||||
value: 'onReceived',
|
||||
description: 'As soon as this node executes',
|
||||
},
|
||||
{
|
||||
name: 'When Last Node Finishes',
|
||||
value: 'lastNode',
|
||||
description: 'Returns data of the last-executed node',
|
||||
},
|
||||
{
|
||||
name: "Using 'Respond to Webhook' Node",
|
||||
value: 'responseNode',
|
||||
description: 'Response defined in that node',
|
||||
},
|
||||
],
|
||||
default: 'onReceived',
|
||||
description: 'When and how to respond to the webhook',
|
||||
},
|
||||
responseModeProperty,
|
||||
{
|
||||
displayName:
|
||||
'Insert a \'Respond to Webhook\' node to control when and how you respond. <a href="https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.respondtowebhook/" target="_blank">More details</a>',
|
||||
|
|
@ -200,406 +88,206 @@ export class Webhook implements INodeType {
|
|||
},
|
||||
default: '',
|
||||
},
|
||||
{
|
||||
displayName: 'Response Code',
|
||||
name: 'responseCode',
|
||||
type: 'number',
|
||||
displayOptions: {
|
||||
hide: {
|
||||
responseMode: ['responseNode'],
|
||||
},
|
||||
},
|
||||
typeOptions: {
|
||||
minValue: 100,
|
||||
maxValue: 599,
|
||||
},
|
||||
default: 200,
|
||||
description: 'The HTTP Response code to return',
|
||||
},
|
||||
{
|
||||
displayName: 'Response Data',
|
||||
name: 'responseData',
|
||||
type: 'options',
|
||||
displayOptions: {
|
||||
show: {
|
||||
responseMode: ['lastNode'],
|
||||
},
|
||||
},
|
||||
options: [
|
||||
{
|
||||
name: 'All Entries',
|
||||
value: 'allEntries',
|
||||
description: 'Returns all the entries of the last node. Always returns an array.',
|
||||
},
|
||||
{
|
||||
name: 'First Entry JSON',
|
||||
value: 'firstEntryJson',
|
||||
description:
|
||||
'Returns the JSON data of the first entry of the last node. Always returns a JSON object.',
|
||||
},
|
||||
{
|
||||
name: 'First Entry Binary',
|
||||
value: 'firstEntryBinary',
|
||||
description:
|
||||
'Returns the binary data of the first entry of the last node. Always returns a binary file.',
|
||||
},
|
||||
{
|
||||
name: 'No Response Body',
|
||||
value: 'noData',
|
||||
description: 'Returns without a body',
|
||||
},
|
||||
],
|
||||
default: 'firstEntryJson',
|
||||
description:
|
||||
'What data should be returned. If it should return all items as an array or only the first item as object.',
|
||||
},
|
||||
{
|
||||
displayName: 'Property Name',
|
||||
name: 'responseBinaryPropertyName',
|
||||
type: 'string',
|
||||
required: true,
|
||||
default: 'data',
|
||||
displayOptions: {
|
||||
show: {
|
||||
responseData: ['firstEntryBinary'],
|
||||
},
|
||||
},
|
||||
description: 'Name of the binary property to return',
|
||||
},
|
||||
{
|
||||
displayName: 'Options',
|
||||
name: 'options',
|
||||
type: 'collection',
|
||||
placeholder: 'Add Option',
|
||||
default: {},
|
||||
options: [
|
||||
{
|
||||
displayName: 'Binary Data',
|
||||
name: 'binaryData',
|
||||
type: 'boolean',
|
||||
displayOptions: {
|
||||
show: {
|
||||
'/httpMethod': ['PATCH', 'PUT', 'POST'],
|
||||
},
|
||||
},
|
||||
default: false,
|
||||
description: 'Whether the webhook will receive binary data',
|
||||
},
|
||||
{
|
||||
displayName: 'Binary Property',
|
||||
name: 'binaryPropertyName',
|
||||
type: 'string',
|
||||
default: 'data',
|
||||
required: true,
|
||||
displayOptions: {
|
||||
show: {
|
||||
binaryData: [true],
|
||||
},
|
||||
},
|
||||
description:
|
||||
'Name of the binary property to write the data of the received file to. If the data gets received via "Form-Data Multipart" it will be the prefix and a number starting with 0 will be attached to it.',
|
||||
},
|
||||
{
|
||||
displayName: 'Ignore Bots',
|
||||
name: 'ignoreBots',
|
||||
type: 'boolean',
|
||||
default: false,
|
||||
description:
|
||||
'Whether to ignore requests from bots like link previewers and web crawlers',
|
||||
},
|
||||
{
|
||||
displayName: 'No Response Body',
|
||||
name: 'noResponseBody',
|
||||
type: 'boolean',
|
||||
default: false,
|
||||
description: 'Whether to send any body in the response',
|
||||
displayOptions: {
|
||||
hide: {
|
||||
rawBody: [true],
|
||||
},
|
||||
show: {
|
||||
'/responseMode': ['onReceived'],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
displayName: 'Raw Body',
|
||||
name: 'rawBody',
|
||||
type: 'boolean',
|
||||
displayOptions: {
|
||||
hide: {
|
||||
binaryData: [true],
|
||||
noResponseBody: [true],
|
||||
},
|
||||
},
|
||||
default: false,
|
||||
// eslint-disable-next-line n8n-nodes-base/node-param-description-boolean-without-whether
|
||||
description: 'Raw body (binary)',
|
||||
},
|
||||
{
|
||||
displayName: 'Response Data',
|
||||
name: 'responseData',
|
||||
type: 'string',
|
||||
displayOptions: {
|
||||
show: {
|
||||
'/responseMode': ['onReceived'],
|
||||
},
|
||||
hide: {
|
||||
noResponseBody: [true],
|
||||
},
|
||||
},
|
||||
default: '',
|
||||
placeholder: 'success',
|
||||
description: 'Custom response data to send',
|
||||
},
|
||||
{
|
||||
displayName: 'Response Content-Type',
|
||||
name: 'responseContentType',
|
||||
type: 'string',
|
||||
displayOptions: {
|
||||
show: {
|
||||
'/responseData': ['firstEntryJson'],
|
||||
'/responseMode': ['lastNode'],
|
||||
},
|
||||
},
|
||||
default: '',
|
||||
placeholder: 'application/xml',
|
||||
// eslint-disable-next-line n8n-nodes-base/node-param-description-miscased-json
|
||||
description:
|
||||
'Set a custom content-type to return if another one as the "application/json" should be returned',
|
||||
},
|
||||
{
|
||||
displayName: 'Response Headers',
|
||||
name: 'responseHeaders',
|
||||
placeholder: 'Add Response Header',
|
||||
description: 'Add headers to the webhook response',
|
||||
type: 'fixedCollection',
|
||||
typeOptions: {
|
||||
multipleValues: true,
|
||||
},
|
||||
default: {},
|
||||
options: [
|
||||
{
|
||||
name: 'entries',
|
||||
displayName: 'Entries',
|
||||
values: [
|
||||
{
|
||||
displayName: 'Name',
|
||||
name: 'name',
|
||||
type: 'string',
|
||||
default: '',
|
||||
description: 'Name of the header',
|
||||
},
|
||||
{
|
||||
displayName: 'Value',
|
||||
name: 'value',
|
||||
type: 'string',
|
||||
default: '',
|
||||
description: 'Value of the header',
|
||||
},
|
||||
],
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
displayName: 'Property Name',
|
||||
name: 'responsePropertyName',
|
||||
type: 'string',
|
||||
displayOptions: {
|
||||
show: {
|
||||
'/responseData': ['firstEntryJson'],
|
||||
'/responseMode': ['lastNode'],
|
||||
},
|
||||
},
|
||||
default: 'data',
|
||||
description: 'Name of the property to return the data of instead of the whole JSON',
|
||||
},
|
||||
],
|
||||
},
|
||||
responseCodeProperty,
|
||||
responseDataProperty,
|
||||
responseBinaryPropertyNameProperty,
|
||||
optionsProperty,
|
||||
],
|
||||
};
|
||||
|
||||
async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
|
||||
const authentication = this.getNodeParameter('authentication') as string;
|
||||
const options = this.getNodeParameter('options', {}) as IDataObject;
|
||||
const req = this.getRequestObject();
|
||||
const resp = this.getResponseObject();
|
||||
const headers = this.getHeaderData();
|
||||
const realm = 'Webhook';
|
||||
async webhook(context: IWebhookFunctions): Promise<IWebhookResponseData> {
|
||||
const options = context.getNodeParameter('options', {}) as {
|
||||
binaryData: boolean;
|
||||
ignoreBots: boolean;
|
||||
rawBody: Buffer;
|
||||
responseData?: string;
|
||||
};
|
||||
const req = context.getRequestObject();
|
||||
const resp = context.getResponseObject();
|
||||
|
||||
const ignoreBots = options.ignoreBots as boolean;
|
||||
if (ignoreBots && isbot((headers as IDataObject)['user-agent'] as string)) {
|
||||
return authorizationError(resp, realm, 403);
|
||||
try {
|
||||
if (options.ignoreBots && isbot(req.headers['user-agent']))
|
||||
throw new WebhookAuthorizationError(403);
|
||||
await this.validateAuth(context);
|
||||
} catch (error) {
|
||||
if (error instanceof WebhookAuthorizationError) {
|
||||
resp.writeHead(error.responseCode, { 'WWW-Authenticate': 'Basic realm="Webhook"' });
|
||||
resp.end(error.message);
|
||||
return { noWebhookResponse: true };
|
||||
}
|
||||
throw error;
|
||||
}
|
||||
|
||||
if (authentication === 'basicAuth') {
|
||||
// Basic authorization is needed to call webhook
|
||||
let httpBasicAuth: ICredentialDataDecryptedObject | undefined;
|
||||
try {
|
||||
httpBasicAuth = await this.getCredentials('httpBasicAuth');
|
||||
} catch (error) {
|
||||
// Do nothing
|
||||
}
|
||||
|
||||
if (httpBasicAuth === undefined || !httpBasicAuth.user || !httpBasicAuth.password) {
|
||||
// Data is not defined on node so can not authenticate
|
||||
return authorizationError(resp, realm, 500, 'No authentication data defined on node!');
|
||||
}
|
||||
|
||||
const basicAuthData = basicAuth(req);
|
||||
|
||||
if (basicAuthData === undefined) {
|
||||
// Authorization data is missing
|
||||
return authorizationError(resp, realm, 401);
|
||||
}
|
||||
|
||||
if (
|
||||
basicAuthData.name !== httpBasicAuth.user ||
|
||||
basicAuthData.pass !== httpBasicAuth.password
|
||||
) {
|
||||
// Provided authentication data is wrong
|
||||
return authorizationError(resp, realm, 403);
|
||||
}
|
||||
} else if (authentication === 'headerAuth') {
|
||||
// Special header with value is needed to call webhook
|
||||
let httpHeaderAuth: ICredentialDataDecryptedObject | undefined;
|
||||
try {
|
||||
httpHeaderAuth = await this.getCredentials('httpHeaderAuth');
|
||||
} catch (error) {
|
||||
// Do nothing
|
||||
}
|
||||
|
||||
if (httpHeaderAuth === undefined || !httpHeaderAuth.name || !httpHeaderAuth.value) {
|
||||
// Data is not defined on node so can not authenticate
|
||||
return authorizationError(resp, realm, 500, 'No authentication data defined on node!');
|
||||
}
|
||||
const headerName = (httpHeaderAuth.name as string).toLowerCase();
|
||||
const headerValue = httpHeaderAuth.value as string;
|
||||
|
||||
if (
|
||||
!headers.hasOwnProperty(headerName) ||
|
||||
(headers as IDataObject)[headerName] !== headerValue
|
||||
) {
|
||||
// Provided authentication data is wrong
|
||||
return authorizationError(resp, realm, 403);
|
||||
}
|
||||
}
|
||||
|
||||
const mimeType = headers['content-type'] ?? 'application/json';
|
||||
const mimeType = req.headers['content-type'] ?? 'application/json';
|
||||
if (mimeType.includes('multipart/form-data')) {
|
||||
const form = new formidable.IncomingForm({ multiples: true });
|
||||
|
||||
return new Promise((resolve, _reject) => {
|
||||
form.parse(req, async (err, data, files) => {
|
||||
const returnItem: INodeExecutionData = {
|
||||
binary: {},
|
||||
json: {
|
||||
headers,
|
||||
params: this.getParamsData(),
|
||||
query: this.getQueryData(),
|
||||
body: data,
|
||||
},
|
||||
};
|
||||
|
||||
let count = 0;
|
||||
for (const xfile of Object.keys(files)) {
|
||||
const processFiles: formidable.File[] = [];
|
||||
let multiFile = false;
|
||||
if (Array.isArray(files[xfile])) {
|
||||
processFiles.push(...(files[xfile] as formidable.File[]));
|
||||
multiFile = true;
|
||||
} else {
|
||||
processFiles.push(files[xfile] as formidable.File);
|
||||
}
|
||||
|
||||
let fileCount = 0;
|
||||
for (const file of processFiles) {
|
||||
let binaryPropertyName = xfile;
|
||||
if (binaryPropertyName.endsWith('[]')) {
|
||||
binaryPropertyName = binaryPropertyName.slice(0, -2);
|
||||
}
|
||||
if (multiFile) {
|
||||
binaryPropertyName += fileCount++;
|
||||
}
|
||||
if (options.binaryPropertyName) {
|
||||
binaryPropertyName = `${options.binaryPropertyName}${count}`;
|
||||
}
|
||||
|
||||
const fileJson = file.toJSON();
|
||||
returnItem.binary![binaryPropertyName] = await this.nodeHelpers.copyBinaryFile(
|
||||
file.path,
|
||||
fileJson.name || fileJson.filename,
|
||||
fileJson.type as string,
|
||||
);
|
||||
|
||||
count += 1;
|
||||
}
|
||||
}
|
||||
resolve({
|
||||
workflowData: [[returnItem]],
|
||||
});
|
||||
});
|
||||
});
|
||||
return this.handleFormData(context);
|
||||
}
|
||||
|
||||
if (options.binaryData === true) {
|
||||
const binaryFile = await tmpFile({ prefix: 'n8n-webhook-' });
|
||||
|
||||
try {
|
||||
await pipeline(req, fs.createWriteStream(binaryFile.path));
|
||||
|
||||
const returnItem: INodeExecutionData = {
|
||||
binary: {},
|
||||
json: {
|
||||
headers,
|
||||
params: this.getParamsData(),
|
||||
query: this.getQueryData(),
|
||||
body: this.getBodyData(),
|
||||
},
|
||||
};
|
||||
|
||||
const binaryPropertyName = (options.binaryPropertyName || 'data') as string;
|
||||
returnItem.binary![binaryPropertyName] = await this.nodeHelpers.copyBinaryFile(
|
||||
binaryFile.path,
|
||||
mimeType,
|
||||
);
|
||||
|
||||
return {
|
||||
workflowData: [[returnItem]],
|
||||
};
|
||||
} catch (error) {
|
||||
throw new NodeOperationError(this.getNode(), error as Error);
|
||||
} finally {
|
||||
await binaryFile.cleanup();
|
||||
}
|
||||
if (options.binaryData) {
|
||||
return this.handleBinaryData(context);
|
||||
}
|
||||
|
||||
const response: INodeExecutionData = {
|
||||
json: {
|
||||
headers,
|
||||
params: this.getParamsData(),
|
||||
query: this.getQueryData(),
|
||||
body: this.getBodyData(),
|
||||
headers: req.headers,
|
||||
params: req.params,
|
||||
query: req.query,
|
||||
body: req.body,
|
||||
},
|
||||
binary: options.rawBody
|
||||
? {
|
||||
data: {
|
||||
data: req.rawBody.toString(BINARY_ENCODING),
|
||||
mimeType,
|
||||
},
|
||||
}
|
||||
: undefined,
|
||||
};
|
||||
|
||||
if (options.rawBody) {
|
||||
response.binary = {
|
||||
data: {
|
||||
data: req.rawBody.toString(BINARY_ENCODING),
|
||||
mimeType,
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
let webhookResponse: string | undefined;
|
||||
if (options.responseData) {
|
||||
webhookResponse = options.responseData as string;
|
||||
}
|
||||
|
||||
return {
|
||||
webhookResponse,
|
||||
webhookResponse: options.responseData,
|
||||
workflowData: [[response]],
|
||||
};
|
||||
}
|
||||
|
||||
private async validateAuth(context: IWebhookFunctions) {
|
||||
const authentication = context.getNodeParameter(this.authPropertyName) as string;
|
||||
if (authentication === 'none') return;
|
||||
|
||||
const req = context.getRequestObject();
|
||||
const headers = context.getHeaderData();
|
||||
|
||||
if (authentication === 'basicAuth') {
|
||||
// Basic authorization is needed to call webhook
|
||||
let expectedAuth: ICredentialDataDecryptedObject | undefined;
|
||||
try {
|
||||
expectedAuth = await context.getCredentials('httpBasicAuth');
|
||||
} catch {}
|
||||
|
||||
if (expectedAuth === undefined || !expectedAuth.user || !expectedAuth.password) {
|
||||
// Data is not defined on node so can not authenticate
|
||||
throw new WebhookAuthorizationError(500, 'No authentication data defined on node!');
|
||||
}
|
||||
|
||||
const providedAuth = basicAuth(req);
|
||||
// Authorization data is missing
|
||||
if (!providedAuth) throw new WebhookAuthorizationError(401);
|
||||
|
||||
if (providedAuth.name !== expectedAuth.user || providedAuth.pass !== expectedAuth.password) {
|
||||
// Provided authentication data is wrong
|
||||
throw new WebhookAuthorizationError(403);
|
||||
}
|
||||
} else if (authentication === 'headerAuth') {
|
||||
// Special header with value is needed to call webhook
|
||||
let expectedAuth: ICredentialDataDecryptedObject | undefined;
|
||||
try {
|
||||
expectedAuth = await context.getCredentials('httpHeaderAuth');
|
||||
} catch {}
|
||||
|
||||
if (expectedAuth === undefined || !expectedAuth.name || !expectedAuth.value) {
|
||||
// Data is not defined on node so can not authenticate
|
||||
throw new WebhookAuthorizationError(500, 'No authentication data defined on node!');
|
||||
}
|
||||
const headerName = (expectedAuth.name as string).toLowerCase();
|
||||
const expectedValue = expectedAuth.value as string;
|
||||
|
||||
if (
|
||||
!headers.hasOwnProperty(headerName) ||
|
||||
(headers as IDataObject)[headerName] !== expectedValue
|
||||
) {
|
||||
// Provided authentication data is wrong
|
||||
throw new WebhookAuthorizationError(403);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private async handleFormData(context: IWebhookFunctions) {
|
||||
const req = context.getRequestObject();
|
||||
const options = context.getNodeParameter('options', {}) as IDataObject;
|
||||
|
||||
const form = new formidable.IncomingForm({ multiples: true });
|
||||
|
||||
return new Promise<IWebhookResponseData>((resolve, _reject) => {
|
||||
form.parse(req, async (err, data, files) => {
|
||||
const returnItem: INodeExecutionData = {
|
||||
binary: {},
|
||||
json: {
|
||||
headers: req.headers,
|
||||
params: req.params,
|
||||
query: req.query,
|
||||
body: data,
|
||||
},
|
||||
};
|
||||
|
||||
let count = 0;
|
||||
for (const xfile of Object.keys(files)) {
|
||||
const processFiles: formidable.File[] = [];
|
||||
let multiFile = false;
|
||||
if (Array.isArray(files[xfile])) {
|
||||
processFiles.push(...(files[xfile] as formidable.File[]));
|
||||
multiFile = true;
|
||||
} else {
|
||||
processFiles.push(files[xfile] as formidable.File);
|
||||
}
|
||||
|
||||
let fileCount = 0;
|
||||
for (const file of processFiles) {
|
||||
let binaryPropertyName = xfile;
|
||||
if (binaryPropertyName.endsWith('[]')) {
|
||||
binaryPropertyName = binaryPropertyName.slice(0, -2);
|
||||
}
|
||||
if (multiFile) {
|
||||
binaryPropertyName += fileCount++;
|
||||
}
|
||||
if (options.binaryPropertyName) {
|
||||
binaryPropertyName = `${options.binaryPropertyName}${count}`;
|
||||
}
|
||||
|
||||
const fileJson = file.toJSON();
|
||||
returnItem.binary![binaryPropertyName] = await context.nodeHelpers.copyBinaryFile(
|
||||
file.path,
|
||||
fileJson.name || fileJson.filename,
|
||||
fileJson.type as string,
|
||||
);
|
||||
|
||||
count += 1;
|
||||
}
|
||||
}
|
||||
resolve({ workflowData: [[returnItem]] });
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
private async handleBinaryData(context: IWebhookFunctions): Promise<IWebhookResponseData> {
|
||||
const req = context.getRequestObject();
|
||||
const options = context.getNodeParameter('options', {}) as IDataObject;
|
||||
|
||||
const binaryFile = await tmpFile({ prefix: 'n8n-webhook-' });
|
||||
|
||||
try {
|
||||
await pipeline(req, fs.createWriteStream(binaryFile.path));
|
||||
|
||||
const returnItem: INodeExecutionData = {
|
||||
binary: {},
|
||||
json: {
|
||||
headers: req.headers,
|
||||
params: req.params,
|
||||
query: req.query,
|
||||
body: req.body,
|
||||
},
|
||||
};
|
||||
|
||||
const binaryPropertyName = (options.binaryPropertyName || 'data') as string;
|
||||
returnItem.binary![binaryPropertyName] = await context.nodeHelpers.copyBinaryFile(
|
||||
binaryFile.path,
|
||||
req.headers['content-type'] ?? 'application/octet-stream',
|
||||
);
|
||||
|
||||
return { workflowData: [[returnItem]] };
|
||||
} catch (error) {
|
||||
throw new NodeOperationError(context.getNode(), error as Error);
|
||||
} finally {
|
||||
await binaryFile.cleanup();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
341
packages/nodes-base/nodes/Webhook/description.ts
Normal file
341
packages/nodes-base/nodes/Webhook/description.ts
Normal file
|
|
@ -0,0 +1,341 @@
|
|||
import type { INodeProperties, INodeTypeDescription, IWebhookDescription } from 'n8n-workflow';
|
||||
|
||||
export const defaultWebhookDescription: IWebhookDescription = {
|
||||
name: 'default',
|
||||
httpMethod: '={{$parameter["httpMethod"]}}',
|
||||
isFullPath: true,
|
||||
responseCode: '={{$parameter["responseCode"]}}',
|
||||
responseMode: '={{$parameter["responseMode"]}}',
|
||||
responseData:
|
||||
'={{$parameter["responseData"] || ($parameter.options.noResponseBody ? "noData" : undefined) }}',
|
||||
responseBinaryPropertyName: '={{$parameter["responseBinaryPropertyName"]}}',
|
||||
responseContentType: '={{$parameter["options"]["responseContentType"]}}',
|
||||
responsePropertyName: '={{$parameter["options"]["responsePropertyName"]}}',
|
||||
responseHeaders: '={{$parameter["options"]["responseHeaders"]}}',
|
||||
path: '={{$parameter["path"]}}',
|
||||
};
|
||||
|
||||
export const credentialsProperty = (
|
||||
propertyName: string = 'authentication',
|
||||
): INodeTypeDescription['credentials'] => [
|
||||
{
|
||||
name: 'httpBasicAuth',
|
||||
required: true,
|
||||
displayOptions: {
|
||||
show: {
|
||||
[propertyName]: ['basicAuth'],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: 'httpHeaderAuth',
|
||||
required: true,
|
||||
displayOptions: {
|
||||
show: {
|
||||
[propertyName]: ['headerAuth'],
|
||||
},
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
export const authenticationProperty = (
|
||||
propertyName: string = 'authentication',
|
||||
): INodeProperties => ({
|
||||
displayName: 'Authentication',
|
||||
name: propertyName,
|
||||
type: 'options',
|
||||
options: [
|
||||
{
|
||||
name: 'Basic Auth',
|
||||
value: 'basicAuth',
|
||||
},
|
||||
{
|
||||
name: 'Header Auth',
|
||||
value: 'headerAuth',
|
||||
},
|
||||
{
|
||||
name: 'None',
|
||||
value: 'none',
|
||||
},
|
||||
],
|
||||
default: 'none',
|
||||
description: 'The way to authenticate',
|
||||
});
|
||||
|
||||
export const httpMethodsProperty: INodeProperties = {
|
||||
displayName: 'HTTP Method',
|
||||
name: 'httpMethod',
|
||||
type: 'options',
|
||||
options: [
|
||||
{
|
||||
name: 'DELETE',
|
||||
value: 'DELETE',
|
||||
},
|
||||
{
|
||||
name: 'GET',
|
||||
value: 'GET',
|
||||
},
|
||||
{
|
||||
name: 'HEAD',
|
||||
value: 'HEAD',
|
||||
},
|
||||
{
|
||||
name: 'PATCH',
|
||||
value: 'PATCH',
|
||||
},
|
||||
{
|
||||
name: 'POST',
|
||||
value: 'POST',
|
||||
},
|
||||
{
|
||||
name: 'PUT',
|
||||
value: 'PUT',
|
||||
},
|
||||
],
|
||||
default: 'GET',
|
||||
description: 'The HTTP method to listen to',
|
||||
};
|
||||
|
||||
export const responseCodeProperty: INodeProperties = {
|
||||
displayName: 'Response Code',
|
||||
name: 'responseCode',
|
||||
type: 'number',
|
||||
displayOptions: {
|
||||
hide: {
|
||||
responseMode: ['responseNode'],
|
||||
},
|
||||
},
|
||||
typeOptions: {
|
||||
minValue: 100,
|
||||
maxValue: 599,
|
||||
},
|
||||
default: 200,
|
||||
description: 'The HTTP Response code to return',
|
||||
};
|
||||
|
||||
export const responseModeProperty: INodeProperties = {
|
||||
displayName: 'Respond',
|
||||
name: 'responseMode',
|
||||
type: 'options',
|
||||
options: [
|
||||
{
|
||||
name: 'Immediately',
|
||||
value: 'onReceived',
|
||||
description: 'As soon as this node executes',
|
||||
},
|
||||
{
|
||||
name: 'When Last Node Finishes',
|
||||
value: 'lastNode',
|
||||
description: 'Returns data of the last-executed node',
|
||||
},
|
||||
{
|
||||
name: "Using 'Respond to Webhook' Node",
|
||||
value: 'responseNode',
|
||||
description: 'Response defined in that node',
|
||||
},
|
||||
],
|
||||
default: 'onReceived',
|
||||
description: 'When and how to respond to the webhook',
|
||||
};
|
||||
|
||||
export const responseDataProperty: INodeProperties = {
|
||||
displayName: 'Response Data',
|
||||
name: 'responseData',
|
||||
type: 'options',
|
||||
displayOptions: {
|
||||
show: {
|
||||
responseMode: ['lastNode'],
|
||||
},
|
||||
},
|
||||
options: [
|
||||
{
|
||||
name: 'All Entries',
|
||||
value: 'allEntries',
|
||||
description: 'Returns all the entries of the last node. Always returns an array.',
|
||||
},
|
||||
{
|
||||
name: 'First Entry JSON',
|
||||
value: 'firstEntryJson',
|
||||
description:
|
||||
'Returns the JSON data of the first entry of the last node. Always returns a JSON object.',
|
||||
},
|
||||
{
|
||||
name: 'First Entry Binary',
|
||||
value: 'firstEntryBinary',
|
||||
description:
|
||||
'Returns the binary data of the first entry of the last node. Always returns a binary file.',
|
||||
},
|
||||
{
|
||||
name: 'No Response Body',
|
||||
value: 'noData',
|
||||
description: 'Returns without a body',
|
||||
},
|
||||
],
|
||||
default: 'firstEntryJson',
|
||||
description:
|
||||
'What data should be returned. If it should return all items as an array or only the first item as object.',
|
||||
};
|
||||
|
||||
export const responseBinaryPropertyNameProperty: INodeProperties = {
|
||||
displayName: 'Property Name',
|
||||
name: 'responseBinaryPropertyName',
|
||||
type: 'string',
|
||||
required: true,
|
||||
default: 'data',
|
||||
displayOptions: {
|
||||
show: {
|
||||
responseData: ['firstEntryBinary'],
|
||||
},
|
||||
},
|
||||
description: 'Name of the binary property to return',
|
||||
};
|
||||
|
||||
export const optionsProperty: INodeProperties = {
|
||||
displayName: 'Options',
|
||||
name: 'options',
|
||||
type: 'collection',
|
||||
placeholder: 'Add Option',
|
||||
default: {},
|
||||
options: [
|
||||
{
|
||||
displayName: 'Binary Data',
|
||||
name: 'binaryData',
|
||||
type: 'boolean',
|
||||
displayOptions: {
|
||||
show: {
|
||||
'/httpMethod': ['PATCH', 'PUT', 'POST'],
|
||||
},
|
||||
},
|
||||
default: false,
|
||||
description: 'Whether the webhook will receive binary data',
|
||||
},
|
||||
{
|
||||
displayName: 'Binary Property',
|
||||
name: 'binaryPropertyName',
|
||||
type: 'string',
|
||||
default: 'data',
|
||||
required: true,
|
||||
displayOptions: {
|
||||
show: {
|
||||
binaryData: [true],
|
||||
},
|
||||
},
|
||||
description:
|
||||
'Name of the binary property to write the data of the received file to. If the data gets received via "Form-Data Multipart" it will be the prefix and a number starting with 0 will be attached to it.',
|
||||
},
|
||||
{
|
||||
displayName: 'Ignore Bots',
|
||||
name: 'ignoreBots',
|
||||
type: 'boolean',
|
||||
default: false,
|
||||
description: 'Whether to ignore requests from bots like link previewers and web crawlers',
|
||||
},
|
||||
{
|
||||
displayName: 'No Response Body',
|
||||
name: 'noResponseBody',
|
||||
type: 'boolean',
|
||||
default: false,
|
||||
description: 'Whether to send any body in the response',
|
||||
displayOptions: {
|
||||
hide: {
|
||||
rawBody: [true],
|
||||
},
|
||||
show: {
|
||||
'/responseMode': ['onReceived'],
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
displayName: 'Raw Body',
|
||||
name: 'rawBody',
|
||||
type: 'boolean',
|
||||
displayOptions: {
|
||||
hide: {
|
||||
binaryData: [true],
|
||||
noResponseBody: [true],
|
||||
},
|
||||
},
|
||||
default: false,
|
||||
// eslint-disable-next-line n8n-nodes-base/node-param-description-boolean-without-whether
|
||||
description: 'Raw body (binary)',
|
||||
},
|
||||
{
|
||||
displayName: 'Response Data',
|
||||
name: 'responseData',
|
||||
type: 'string',
|
||||
displayOptions: {
|
||||
show: {
|
||||
'/responseMode': ['onReceived'],
|
||||
},
|
||||
hide: {
|
||||
noResponseBody: [true],
|
||||
},
|
||||
},
|
||||
default: '',
|
||||
placeholder: 'success',
|
||||
description: 'Custom response data to send',
|
||||
},
|
||||
{
|
||||
displayName: 'Response Content-Type',
|
||||
name: 'responseContentType',
|
||||
type: 'string',
|
||||
displayOptions: {
|
||||
show: {
|
||||
'/responseData': ['firstEntryJson'],
|
||||
'/responseMode': ['lastNode'],
|
||||
},
|
||||
},
|
||||
default: '',
|
||||
placeholder: 'application/xml',
|
||||
// eslint-disable-next-line n8n-nodes-base/node-param-description-miscased-json
|
||||
description:
|
||||
'Set a custom content-type to return if another one as the "application/json" should be returned',
|
||||
},
|
||||
{
|
||||
displayName: 'Response Headers',
|
||||
name: 'responseHeaders',
|
||||
placeholder: 'Add Response Header',
|
||||
description: 'Add headers to the webhook response',
|
||||
type: 'fixedCollection',
|
||||
typeOptions: {
|
||||
multipleValues: true,
|
||||
},
|
||||
default: {},
|
||||
options: [
|
||||
{
|
||||
name: 'entries',
|
||||
displayName: 'Entries',
|
||||
values: [
|
||||
{
|
||||
displayName: 'Name',
|
||||
name: 'name',
|
||||
type: 'string',
|
||||
default: '',
|
||||
description: 'Name of the header',
|
||||
},
|
||||
{
|
||||
displayName: 'Value',
|
||||
name: 'value',
|
||||
type: 'string',
|
||||
default: '',
|
||||
description: 'Value of the header',
|
||||
},
|
||||
],
|
||||
},
|
||||
],
|
||||
},
|
||||
{
|
||||
displayName: 'Property Name',
|
||||
name: 'responsePropertyName',
|
||||
type: 'string',
|
||||
displayOptions: {
|
||||
show: {
|
||||
'/responseData': ['firstEntryJson'],
|
||||
'/responseMode': ['lastNode'],
|
||||
},
|
||||
},
|
||||
default: 'data',
|
||||
description: 'Name of the property to return the data of instead of the whole JSON',
|
||||
},
|
||||
],
|
||||
};
|
||||
13
packages/nodes-base/nodes/Webhook/error.ts
Normal file
13
packages/nodes-base/nodes/Webhook/error.ts
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
export class WebhookAuthorizationError extends Error {
|
||||
constructor(readonly responseCode: number, message?: string) {
|
||||
if (message === undefined) {
|
||||
message = 'Authorization problem!';
|
||||
if (responseCode === 401) {
|
||||
message = 'Authorization is required!';
|
||||
} else if (responseCode === 403) {
|
||||
message = 'Authorization data is wrong!';
|
||||
}
|
||||
}
|
||||
super(message);
|
||||
}
|
||||
}
|
||||
|
|
@ -1258,6 +1258,16 @@ export interface INodeType {
|
|||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* This class serves as the base for all nodes using the new context API
|
||||
* having this as a class enables us to identify these instances at runtime
|
||||
*/
|
||||
export abstract class Node {
|
||||
abstract description: INodeTypeDescription;
|
||||
execute?(context: IExecuteFunctions): Promise<INodeExecutionData[][]>;
|
||||
webhook?(context: IWebhookFunctions): Promise<IWebhookResponseData>;
|
||||
}
|
||||
|
||||
export interface IVersionedNodeType {
|
||||
nodeVersions: {
|
||||
[key: number]: INodeType;
|
||||
|
|
|
|||
|
|
@ -49,6 +49,7 @@ import type {
|
|||
IRunNodeResponse,
|
||||
NodeParameterValueType,
|
||||
} from './Interfaces';
|
||||
import { Node } from './Interfaces';
|
||||
import type { IDeferredPromise } from './DeferredPromise';
|
||||
|
||||
import * as NodeHelpers from './NodeHelpers';
|
||||
|
|
@ -1137,14 +1138,14 @@ export class Workflow {
|
|||
throw new Error(`The node "${node.name}" does not have any webhooks defined.`);
|
||||
}
|
||||
|
||||
const thisArgs = nodeExecuteFunctions.getExecuteWebhookFunctions(
|
||||
const context = nodeExecuteFunctions.getExecuteWebhookFunctions(
|
||||
this,
|
||||
node,
|
||||
additionalData,
|
||||
mode,
|
||||
webhookData,
|
||||
);
|
||||
return nodeType.webhook.call(thisArgs);
|
||||
return nodeType instanceof Node ? nodeType.webhook(context) : nodeType.webhook.call(context);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -1255,7 +1256,7 @@ export class Workflow {
|
|||
return { data: [promiseResults] };
|
||||
}
|
||||
} else if (nodeType.execute) {
|
||||
const thisArgs = nodeExecuteFunctions.getExecuteFunctions(
|
||||
const context = nodeExecuteFunctions.getExecuteFunctions(
|
||||
this,
|
||||
runExecutionData,
|
||||
runIndex,
|
||||
|
|
@ -1266,7 +1267,11 @@ export class Workflow {
|
|||
executionData,
|
||||
mode,
|
||||
);
|
||||
return { data: await nodeType.execute.call(thisArgs) };
|
||||
const data =
|
||||
nodeType instanceof Node
|
||||
? await nodeType.execute(context)
|
||||
: await nodeType.execute.call(context);
|
||||
return { data };
|
||||
} else if (nodeType.poll) {
|
||||
if (mode === 'manual') {
|
||||
// In manual mode run the poll function
|
||||
|
|
|
|||
Loading…
Reference in a new issue