mirror of
https://github.com/n8n-io/n8n.git
synced 2024-11-10 14:44:05 -08:00
895 lines
22 KiB
TypeScript
895 lines
22 KiB
TypeScript
import {
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BINARY_ENCODING,
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IExecuteFunctions,
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} from 'n8n-core';
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import {
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IDataObject,
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INodeExecutionData,
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INodeType,
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INodeTypeDescription,
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IBinaryData,
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} from 'n8n-workflow';
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import { OptionsWithUri } from 'request';
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interface OptionData {
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name: string;
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displayName: string;
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}
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interface OptionDataParamters {
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[key: string]: OptionData;
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}
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export class HttpRequest implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'HTTP Request',
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name: 'httpRequest',
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icon: 'fa:at',
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group: ['input'],
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version: 1,
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subtitle: '={{$parameter["requestMethod"] + ": " + $parameter["url"]}}',
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description: 'Makes a HTTP request and returns the received data',
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defaults: {
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name: 'HTTP Request',
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color: '#2200DD',
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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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authentication: [
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'basicAuth',
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],
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},
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},
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},
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{
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name: 'httpDigestAuth',
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required: true,
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displayOptions: {
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show: {
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authentication: [
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'digestAuth',
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],
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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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authentication: [
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'headerAuth',
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],
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},
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},
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},
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],
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properties: [
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{
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displayName: 'Authentication',
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name: 'authentication',
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type: 'options',
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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: 'Digest Auth',
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value: 'digestAuth'
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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: 'The way to authenticate.',
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},
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{
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displayName: 'Request Method',
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name: 'requestMethod',
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type: 'options',
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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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description: 'The request method to use.',
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},
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{
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displayName: 'URL',
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name: 'url',
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type: 'string',
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default: '',
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placeholder: 'http://example.com/index.html',
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description: 'The URL to make the request to.',
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required: true,
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},
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{
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displayName: 'Ignore SSL Issues',
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name: 'allowUnauthorizedCerts',
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type: 'boolean',
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default: false,
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description: 'Still download the response even if SSL certificate validation is not possible.',
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},
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{
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displayName: 'Response Format',
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name: 'responseFormat',
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type: 'options',
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options: [
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{
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name: 'File',
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value: 'file'
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},
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{
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name: 'JSON',
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value: 'json'
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},
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{
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name: 'String',
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value: 'string'
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},
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],
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default: 'json',
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description: 'The format in which the data gets returned from the URL.',
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},
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{
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displayName: 'Property Name',
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name: 'dataPropertyName',
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type: 'string',
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default: 'data',
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required: true,
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displayOptions: {
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show: {
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responseFormat: [
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'string',
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],
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},
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},
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description: 'Name of the property to which to write the response data.',
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},
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{
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displayName: 'Binary Property',
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name: 'dataPropertyName',
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type: 'string',
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default: 'data',
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required: true,
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displayOptions: {
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show: {
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responseFormat: [
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'file',
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],
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},
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},
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description: 'Name of the binary property to which to<br />write the data of the read file.',
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},
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{
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displayName: 'JSON/RAW Parameters',
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name: 'jsonParameters',
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type: 'boolean',
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default: false,
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description: 'If the query and/or body parameter should be set via the value-key pair UI or JSON/RAW.',
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},
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{
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displayName: 'Options',
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name: 'options',
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type: 'collection',
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placeholder: 'Add Option',
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default: {},
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options: [
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{
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displayName: 'Body Content Type',
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name: 'bodyContentType',
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type: 'options',
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displayOptions: {
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show: {
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'/requestMethod': [
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'PATCH',
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'POST',
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'PUT',
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],
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},
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},
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options: [
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{
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name: 'JSON',
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value: 'json'
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},
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{
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name: 'RAW/Custom',
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value: 'raw'
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},
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{
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name: 'Form-Data Multipart',
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value: 'multipart-form-data'
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},
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{
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name: 'Form Urlencoded',
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value: 'form-urlencoded'
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},
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],
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default: 'json',
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description: 'Content-Type to use to send body parameters.',
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},
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{
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displayName: 'MIME Type',
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name: 'bodyContentCustomMimeType',
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type: 'string',
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default: '',
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placeholder: 'text/xml',
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description: 'Specify the mime type for raw/custom body type.',
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required: false,
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displayOptions: {
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show: {
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'/requestMethod': [
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'PATCH',
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'POST',
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'PUT',
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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: 'Full Response',
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name: 'fullResponse',
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type: 'boolean',
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default: false,
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description: 'Returns the full reponse data instead of only the body.',
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},
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{
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displayName: 'Follow Redirect',
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name: 'followRedirect',
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type: 'boolean',
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default: true,
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description: 'Follow HTTP 3xx redirects.',
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},
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{
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displayName: 'Ignore Response Code',
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name: 'ignoreResponseCode',
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type: 'boolean',
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default: false,
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description: 'Succeeds also when status code is not 2xx.',
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},
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{
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displayName: 'Proxy',
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name: 'proxy',
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type: 'string',
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default: '',
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placeholder: 'http://myproxy:3128',
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description: 'HTTP proxy to use.',
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},
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{
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displayName: 'Timeout',
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name: 'timeout',
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type: 'number',
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typeOptions: {
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minValue: 1,
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},
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default: 10000,
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description: 'Time in ms to wait for the server to send response headers (and start the response body) before aborting the request.',
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},
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],
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},
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// Body Parameter
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{
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displayName: 'Send Binary Data',
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name: 'sendBinaryData',
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type: 'boolean',
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displayOptions: {
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show: {
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// TODO: Make it possible to use dot-notation
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// 'options.bodyContentType': [
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// 'raw',
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// ],
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jsonParameters: [
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true,
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],
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requestMethod: [
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'PATCH',
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'POST',
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'PUT',
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],
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},
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},
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default: false,
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description: 'If binary data should be send as body.',
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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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required: true,
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default: 'data',
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displayOptions: {
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hide: {
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sendBinaryData: [
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false,
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],
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},
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show: {
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jsonParameters: [
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true,
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],
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requestMethod: [
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'PATCH',
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'POST',
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'PUT',
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],
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},
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},
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description: `Name of the binary property which contains the data for the file to be uploaded.<br />
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For Form-Data Multipart, multiple can be provided in the format:<br />
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"sendKey1:binaryProperty1,sendKey2:binaryProperty2`,
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},
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{
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displayName: 'Body Parameters',
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name: 'bodyParametersJson',
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type: 'json',
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displayOptions: {
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hide: {
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sendBinaryData: [
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true,
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],
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},
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show: {
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jsonParameters: [
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true,
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],
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requestMethod: [
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'PATCH',
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'POST',
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'PUT',
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],
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},
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},
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default: '',
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description: 'Body parameters as JSON or RAW.',
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},
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{
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displayName: 'Body Parameters',
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name: 'bodyParametersUi',
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placeholder: 'Add Parameter',
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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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displayOptions: {
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show: {
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jsonParameters: [
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false,
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],
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requestMethod: [
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'PATCH',
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'POST',
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'PUT',
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],
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},
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},
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description: 'The body parameter to send.',
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default: {},
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options: [
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{
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name: 'parameter',
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displayName: 'Parameter',
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values: [
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{
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displayName: 'Name',
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name: 'name',
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type: 'string',
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default: '',
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description: 'Name of the parameter.',
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},
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{
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displayName: 'Value',
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name: 'value',
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type: 'string',
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default: '',
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description: 'Value of the parameter.',
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},
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]
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},
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],
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},
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// Header Parameters
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{
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displayName: 'Headers',
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name: 'headerParametersJson',
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type: 'json',
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displayOptions: {
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show: {
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jsonParameters: [
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true,
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],
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},
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},
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default: '',
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description: 'Header parameters as JSON or RAW.',
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},
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{
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displayName: 'Headers',
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name: 'headerParametersUi',
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placeholder: 'Add Header',
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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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displayOptions: {
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show: {
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jsonParameters: [
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false,
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],
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},
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},
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description: 'The headers to send.',
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default: {},
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options: [
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{
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name: 'parameter',
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displayName: 'Header',
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values: [
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{
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displayName: 'Name',
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name: 'name',
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type: 'string',
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default: '',
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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: '',
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description: 'Value to set for 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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// Query Parameter
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{
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displayName: 'Query Parameters',
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name: 'queryParametersJson',
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type: 'json',
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displayOptions: {
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show: {
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jsonParameters: [
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true,
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],
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},
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},
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default: '',
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description: 'Query parameters as JSON (flat object).',
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},
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{
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displayName: 'Query Parameters',
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name: 'queryParametersUi',
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placeholder: 'Add Parameter',
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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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displayOptions: {
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show: {
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jsonParameters: [
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false,
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],
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},
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},
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description: 'The query parameter to send.',
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default: {},
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options: [
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{
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name: 'parameter',
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displayName: 'Parameter',
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values: [
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{
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displayName: 'Name',
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name: 'name',
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type: 'string',
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default: '',
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description: 'Name of the parameter.',
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},
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{
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displayName: 'Value',
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name: 'value',
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type: 'string',
|
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default: '',
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description: 'Value of the parameter.',
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},
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]
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},
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],
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},
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]
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};
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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const fullReponseProperties = [
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'body',
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'headers',
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'statusCode',
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'statusMessage',
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];
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// TODO: Should have a setting which makes clear that this parameter can not change for each item
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const requestMethod = this.getNodeParameter('requestMethod', 0) as string;
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const parametersAreJson = this.getNodeParameter('jsonParameters', 0) as boolean;
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const responseFormat = this.getNodeParameter('responseFormat', 0) as string;
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const httpBasicAuth = this.getCredentials('httpBasicAuth');
|
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const httpDigestAuth = this.getCredentials('httpDigestAuth');
|
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const httpHeaderAuth = this.getCredentials('httpHeaderAuth');
|
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let requestOptions: OptionsWithUri;
|
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let setUiParameter: IDataObject;
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const uiParameters: IDataObject = {
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bodyParametersUi: 'body',
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headerParametersUi: 'headers',
|
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queryParametersUi: 'qs',
|
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};
|
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|
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const jsonParameters: OptionDataParamters = {
|
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bodyParametersJson: {
|
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name: 'body',
|
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displayName: 'Body Parameters',
|
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},
|
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headerParametersJson: {
|
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name: 'headers',
|
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displayName: 'Headers',
|
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},
|
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queryParametersJson: {
|
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name: 'qs',
|
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displayName: 'Query Paramters',
|
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},
|
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};
|
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|
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let response: any; // tslint:disable-line:no-any
|
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const returnItems: INodeExecutionData[] = [];
|
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for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
|
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const options = this.getNodeParameter('options', itemIndex, {}) as IDataObject;
|
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const url = this.getNodeParameter('url', itemIndex) as string;
|
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|
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const fullResponse = !!options.fullResponse as boolean;
|
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|
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requestOptions = {
|
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headers: {},
|
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method: requestMethod,
|
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uri: url,
|
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gzip: true,
|
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rejectUnauthorized: !this.getNodeParameter('allowUnauthorizedCerts', itemIndex, false) as boolean,
|
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};
|
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|
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if (fullResponse === true) {
|
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// @ts-ignore
|
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requestOptions.resolveWithFullResponse = true;
|
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}
|
|
|
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if (options.followRedirect !== undefined) {
|
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requestOptions.followRedirect = options.followRedirect as boolean;
|
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}
|
|
if (options.ignoreResponseCode === true) {
|
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// @ts-ignore
|
|
requestOptions.simple = false;
|
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}
|
|
if (options.proxy !== undefined) {
|
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requestOptions.proxy = options.proxy as string;
|
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}
|
|
if (options.timeout !== undefined) {
|
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requestOptions.timeout = options.timeout as number;
|
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}
|
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|
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if (parametersAreJson === true) {
|
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// Parameters are defined as JSON
|
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let optionData: OptionData;
|
|
for (const parameterName of Object.keys(jsonParameters)) {
|
|
optionData = jsonParameters[parameterName] as OptionData;
|
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const tempValue = this.getNodeParameter(parameterName, itemIndex, {}) as string | object;
|
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if (tempValue === '') {
|
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// Paramter is empty so skip it
|
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continue;
|
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}
|
|
const sendBinaryData = this.getNodeParameter('sendBinaryData', itemIndex, false) as boolean;
|
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|
|
if (optionData.name === 'body' && parametersAreJson === true) {
|
|
if (sendBinaryData === true) {
|
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|
|
const contentTypesAllowed = [
|
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'raw',
|
|
'multipart-form-data',
|
|
];
|
|
|
|
if (!contentTypesAllowed.includes(options.bodyContentType as string)) {
|
|
// As n8n-workflow.NodeHelpers.getParamterResolveOrder can not be changed
|
|
// easily to handle parameters in dot.notation simply error for now.
|
|
throw new Error('Sending binary data is only supported when option "Body Content Type" is set to "RAW/CUSTOM" or "FORM-DATA/MULTIPART"!');
|
|
}
|
|
|
|
const item = items[itemIndex];
|
|
|
|
if (item.binary === undefined) {
|
|
throw new Error('No binary data exists on item!');
|
|
}
|
|
|
|
if (options.bodyContentType === 'raw') {
|
|
const binaryPropertyName = this.getNodeParameter('binaryPropertyName', itemIndex) as string;
|
|
if (item.binary[binaryPropertyName] === undefined) {
|
|
throw new Error(`No binary data property "${binaryPropertyName}" does not exists on item!`);
|
|
}
|
|
const binaryProperty = item.binary[binaryPropertyName] as IBinaryData;
|
|
requestOptions.body = Buffer.from(binaryProperty.data, BINARY_ENCODING);
|
|
} else if (options.bodyContentType === 'multipart-form-data') {
|
|
requestOptions.body = {};
|
|
const binaryPropertyNameFull = this.getNodeParameter('binaryPropertyName', itemIndex) as string;
|
|
const binaryPropertyNames = binaryPropertyNameFull.split(',').map(key => key.trim());
|
|
|
|
for (const propertyData of binaryPropertyNames) {
|
|
let propertyName = 'file';
|
|
let binaryPropertyName = propertyData;
|
|
if (propertyData.includes(':')) {
|
|
const propertyDataParts = propertyData.split(':');
|
|
propertyName = propertyDataParts[0];
|
|
binaryPropertyName = propertyDataParts[1];
|
|
} else if (binaryPropertyNames.length > 1) {
|
|
throw new Error('If more than one property should be send it is needed to define the in the format: "sendKey1:binaryProperty1,sendKey2:binaryProperty2"');
|
|
}
|
|
|
|
if (item.binary[binaryPropertyName] === undefined) {
|
|
throw new Error(`No binary data property "${binaryPropertyName}" does not exists on item!`);
|
|
}
|
|
|
|
const binaryProperty = item.binary[binaryPropertyName] as IBinaryData;
|
|
|
|
requestOptions.body[propertyName] = {
|
|
value: Buffer.from(binaryProperty.data, BINARY_ENCODING),
|
|
options: {
|
|
filename: binaryProperty.fileName,
|
|
contentType: binaryProperty.mimeType,
|
|
},
|
|
};
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// @ts-ignore
|
|
requestOptions[optionData.name] = tempValue;
|
|
|
|
// @ts-ignore
|
|
if (typeof requestOptions[optionData.name] !== 'object' && options.bodyContentType !== 'raw') {
|
|
// If it is not an object && bodyContentType is not 'raw' it must be JSON so parse it
|
|
try {
|
|
// @ts-ignore
|
|
requestOptions[optionData.name] = JSON.parse(requestOptions[optionData.name]);
|
|
} catch (e) {
|
|
throw new Error(`The data in "${optionData.displayName}" is no valid JSON. Set Body Content Type to "RAW/Custom" for XML or other types of payloads`);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// Paramters are defined in UI
|
|
let optionName: string;
|
|
for (const parameterName of Object.keys(uiParameters)) {
|
|
setUiParameter = this.getNodeParameter(parameterName, itemIndex, {}) as IDataObject;
|
|
optionName = uiParameters[parameterName] as string;
|
|
if (setUiParameter.parameter !== undefined) {
|
|
// @ts-ignore
|
|
requestOptions[optionName] = {};
|
|
for (const parameterData of setUiParameter!.parameter as IDataObject[]) {
|
|
// @ts-ignore
|
|
requestOptions[optionName][parameterData!.name as string] = parameterData!.value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Change the way data get send in case a different content-type than JSON got selected
|
|
if (['PATCH', 'POST', 'PUT'].includes(requestMethod)) {
|
|
if (options.bodyContentType === 'multipart-form-data') {
|
|
requestOptions.formData = requestOptions.body;
|
|
delete requestOptions.body;
|
|
} else if (options.bodyContentType === 'form-urlencoded') {
|
|
requestOptions.form = requestOptions.body;
|
|
delete requestOptions.body;
|
|
}
|
|
}
|
|
|
|
// Add Content Type if any are set
|
|
if (options.bodyContentCustomMimeType) {
|
|
if(requestOptions.headers === undefined) {
|
|
requestOptions.headers = {};
|
|
}
|
|
requestOptions.headers['Content-Type'] = options.bodyContentCustomMimeType;
|
|
}
|
|
|
|
// Add credentials if any are set
|
|
if (httpBasicAuth !== undefined) {
|
|
requestOptions.auth = {
|
|
user: httpBasicAuth.user as string,
|
|
pass: httpBasicAuth.password as string,
|
|
};
|
|
}
|
|
if (httpHeaderAuth !== undefined) {
|
|
requestOptions.headers![httpHeaderAuth.name as string] = httpHeaderAuth.value;
|
|
}
|
|
if (httpDigestAuth !== undefined) {
|
|
requestOptions.auth = {
|
|
user: httpDigestAuth.user as string,
|
|
pass: httpDigestAuth.password as string,
|
|
sendImmediately: false,
|
|
};
|
|
}
|
|
|
|
if (responseFormat === 'json') {
|
|
|
|
requestOptions.headers!['accept'] = 'application/json,text/*;q=0.99';
|
|
} else if (responseFormat === 'string') {
|
|
requestOptions.headers!['accept'] = 'application/json,text/html,application/xhtml+xml,application/xml,text/*;q=0.9, */*;q=0.1';
|
|
} else {
|
|
requestOptions.headers!['accept'] = 'application/json,text/html,application/xhtml+xml,application/xml,text/*;q=0.9, image/*;q=0.8, */*;q=0.7';
|
|
}
|
|
|
|
if (responseFormat === 'file') {
|
|
requestOptions.encoding = null;
|
|
} else if(options.bodyContentType === 'raw') {
|
|
requestOptions.json = false;
|
|
} else {
|
|
requestOptions.json = true;
|
|
}
|
|
try {
|
|
// Now that the options are all set make the actual http request
|
|
response = await this.helpers.request(requestOptions);
|
|
} catch (error) {
|
|
if (this.continueOnFail() === true) {
|
|
returnItems.push({ json: { error } });
|
|
continue;
|
|
}
|
|
|
|
throw error;
|
|
}
|
|
|
|
if (responseFormat === 'file') {
|
|
const dataPropertyName = this.getNodeParameter('dataPropertyName', 0) as string;
|
|
|
|
const newItem: INodeExecutionData = {
|
|
json: {},
|
|
binary: {},
|
|
};
|
|
|
|
if (items[itemIndex].binary !== undefined) {
|
|
// Create a shallow copy of the binary data so that the old
|
|
// data references which do not get changed still stay behind
|
|
// but the incoming data does not get changed.
|
|
Object.assign(newItem.binary, items[itemIndex].binary);
|
|
}
|
|
|
|
|
|
const fileName = (url).split('/').pop();
|
|
|
|
|
|
if (fullResponse === true) {
|
|
const returnItem: IDataObject = {};
|
|
for (const property of fullReponseProperties) {
|
|
if (property === 'body') {
|
|
continue;
|
|
}
|
|
returnItem[property] = response[property];
|
|
}
|
|
|
|
newItem.json = returnItem;
|
|
|
|
newItem.binary![dataPropertyName] = await this.helpers.prepareBinaryData(response.body, fileName);
|
|
} else {
|
|
newItem.json = items[itemIndex].json;
|
|
|
|
newItem.binary![dataPropertyName] = await this.helpers.prepareBinaryData(response, fileName);
|
|
}
|
|
|
|
items[itemIndex] = newItem;
|
|
} else if (responseFormat === 'string') {
|
|
const dataPropertyName = this.getNodeParameter('dataPropertyName', 0) as string;
|
|
|
|
if (fullResponse === true) {
|
|
const returnItem: IDataObject = {};
|
|
for (const property of fullReponseProperties) {
|
|
if (property === 'body') {
|
|
returnItem[dataPropertyName] = response[property];
|
|
continue;
|
|
}
|
|
|
|
returnItem[property] = response[property];
|
|
}
|
|
returnItems.push({ json: returnItem });
|
|
} else {
|
|
returnItems.push({
|
|
json: {
|
|
[dataPropertyName]: response,
|
|
},
|
|
});
|
|
}
|
|
} else {
|
|
// responseFormat: 'json'
|
|
if (fullResponse === true) {
|
|
const returnItem: IDataObject = {};
|
|
for (const property of fullReponseProperties) {
|
|
returnItem[property] = response[property];
|
|
}
|
|
|
|
if (responseFormat === 'json' && typeof returnItem.body === 'string') {
|
|
try {
|
|
returnItem.body = JSON.parse(returnItem.body);
|
|
} catch (e) {
|
|
throw new Error('Response body is not valid JSON. Change "Response Format" to "String"');
|
|
}
|
|
}
|
|
|
|
returnItems.push({ json: returnItem });
|
|
} else {
|
|
if (responseFormat === 'json' && typeof response === 'string') {
|
|
try {
|
|
response = JSON.parse(response);
|
|
} catch (e) {
|
|
throw new Error('Response body is not valid JSON. Change "Response Format" to "String"');
|
|
}
|
|
}
|
|
|
|
returnItems.push({ json: response });
|
|
}
|
|
}
|
|
}
|
|
|
|
if (responseFormat === 'file') {
|
|
// For file downloads the files get attached to the existing items
|
|
return this.prepareOutputData(items);
|
|
} else {
|
|
// For all other ones does the output items get replaced
|
|
return this.prepareOutputData(returnItems);
|
|
}
|
|
}
|
|
}
|