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76cee5577b
* ⚡ Extend googleApi credentials to support user impersonification * ⚡ Add service account authentication to Gmail * ⚡ Minor improvements Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>
809 lines
22 KiB
TypeScript
809 lines
22 KiB
TypeScript
import {
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IExecuteFunctions,
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} from 'n8n-core';
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import {
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IBinaryKeyData,
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IDataObject,
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ILoadOptionsFunctions,
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INodeExecutionData,
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INodePropertyOptions,
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INodeType,
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INodeTypeDescription,
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} from 'n8n-workflow';
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import {
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encodeEmail,
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extractEmail,
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googleApiRequest,
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googleApiRequestAllItems,
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parseRawEmail,
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} from './GenericFunctions';
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import {
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messageFields,
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messageOperations,
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} from './MessageDescription';
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import {
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messageLabelFields,
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messageLabelOperations,
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} from './MessageLabelDescription';
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import {
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labelFields,
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labelOperations,
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} from './LabelDescription';
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import {
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draftFields,
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draftOperations,
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} from './DraftDescription';
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import {
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isEmpty,
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} from 'lodash';
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export interface IEmail {
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to?: string;
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cc?: string;
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bcc?: string;
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inReplyTo?: string;
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reference?: string;
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subject: string;
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body: string;
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htmlBody?: string;
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attachments?: IDataObject[];
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}
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interface IAttachments {
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type: string;
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name: string;
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content: string;
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}
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export class Gmail implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Gmail',
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name: 'gmail',
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icon: 'file:gmail.png',
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group: ['transform'],
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version: 1,
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subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
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description: 'Consume the Gmail API',
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defaults: {
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name: 'Gmail',
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color: '#d93025',
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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: 'googleApi',
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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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'serviceAccount',
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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: 'gmailOAuth2',
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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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'oAuth2',
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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: 'Service Account',
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value: 'serviceAccount',
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},
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{
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name: 'OAuth2',
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value: 'oAuth2',
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},
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],
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default: 'oAuth2',
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},
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{
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displayName: 'Resource',
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name: 'resource',
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type: 'options',
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options: [
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{
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name: 'Draft',
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value: 'draft',
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},
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{
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name: 'Label',
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value: 'label',
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},
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{
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name: 'Message',
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value: 'message',
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},
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{
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name: 'Message Label',
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value: 'messageLabel',
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},
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],
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default: 'draft',
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description: 'The resource to operate on.',
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},
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//-------------------------------
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// Draft Operations
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//-------------------------------
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...draftOperations,
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...draftFields,
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//-------------------------------
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// Label Operations
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//-------------------------------
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...labelOperations,
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...labelFields,
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//-------------------------------
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// Message Operations
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//-------------------------------
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...messageOperations,
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...messageFields,
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//-------------------------------
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// MessageLabel Operations
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//-------------------------------
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...messageLabelOperations,
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...messageLabelFields,
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],
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};
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methods = {
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loadOptions: {
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// Get all the labels to display them to user so that he can
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// select them easily
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async getLabels(
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this: ILoadOptionsFunctions,
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): Promise<INodePropertyOptions[]> {
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const returnData: INodePropertyOptions[] = [];
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const labels = await googleApiRequestAllItems.call(
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this,
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'labels',
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'GET',
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'/gmail/v1/users/me/labels',
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);
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for (const label of labels) {
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const labelName = label.name;
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const labelId = label.id;
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returnData.push({
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name: labelName,
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value: labelId,
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});
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}
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return returnData;
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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 returnData: IDataObject[] = [];
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const resource = this.getNodeParameter('resource', 0) as string;
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const operation = this.getNodeParameter('operation', 0) as string;
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let method = '';
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let body: IDataObject = {};
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let qs: IDataObject = {};
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let endpoint = '';
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let responseData;
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for (let i = 0; i < items.length; i++) {
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if (resource === 'label') {
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if (operation === 'create') {
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//https://developers.google.com/gmail/api/v1/reference/users/labels/create
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const labelName = this.getNodeParameter('name', i) as string;
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const labelListVisibility = this.getNodeParameter('labelListVisibility', i) as string;
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const messageListVisibility = this.getNodeParameter('messageListVisibility', i) as string;
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method = 'POST';
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endpoint = '/gmail/v1/users/me/labels';
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body = {
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labelListVisibility,
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messageListVisibility,
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name: labelName,
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};
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responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
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}
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if (operation === 'delete') {
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//https://developers.google.com/gmail/api/v1/reference/users/labels/delete
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const labelId = this.getNodeParameter('labelId', i) as string[];
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method = 'DELETE';
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endpoint = `/gmail/v1/users/me/labels/${labelId}`;
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responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
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responseData = { success: true };
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}
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if (operation === 'get') {
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// https://developers.google.com/gmail/api/v1/reference/users/labels/get
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const labelId = this.getNodeParameter('labelId', i);
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method = 'GET';
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endpoint = `/gmail/v1/users/me/labels/${labelId}`;
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responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
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}
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if (operation === 'getAll') {
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const returnAll = this.getNodeParameter('returnAll', i) as boolean;
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responseData = await googleApiRequest.call(
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this,
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'GET',
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`/gmail/v1/users/me/labels`,
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{},
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qs,
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);
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responseData = responseData.labels;
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if (!returnAll) {
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const limit = this.getNodeParameter('limit', i) as number;
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responseData = responseData.splice(0, limit);
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}
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}
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}
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if (resource === 'messageLabel') {
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if (operation === 'remove') {
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//https://developers.google.com/gmail/api/v1/reference/users/messages/modify
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const messageID = this.getNodeParameter('messageId', i);
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const labelIds = this.getNodeParameter('labelIds', i) as string[];
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method = 'POST';
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endpoint = `/gmail/v1/users/me/messages/${messageID}/modify`;
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body = {
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removeLabelIds: labelIds,
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};
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responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
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}
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if (operation === 'add') {
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// https://developers.google.com/gmail/api/v1/reference/users/messages/modify
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const messageID = this.getNodeParameter('messageId', i);
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const labelIds = this.getNodeParameter('labelIds', i) as string[];
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method = 'POST';
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endpoint = `/gmail/v1/users/me/messages/${messageID}/modify`;
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body = {
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addLabelIds: labelIds,
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};
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responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
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}
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}
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if (resource === 'message') {
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if (operation === 'send') {
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// https://developers.google.com/gmail/api/v1/reference/users/messages/send
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const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
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let toStr = '';
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let ccStr = '';
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let bccStr = '';
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let attachmentsList: IDataObject[] = [];
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const toList = this.getNodeParameter('toList', i) as IDataObject[];
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toList.forEach((email) => {
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toStr += `<${email}>, `;
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});
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if (additionalFields.ccList) {
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const ccList = additionalFields.ccList as IDataObject[];
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ccList.forEach((email) => {
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ccStr += `<${email}>, `;
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});
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}
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if (additionalFields.bccList) {
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const bccList = additionalFields.bccList as IDataObject[];
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bccList.forEach((email) => {
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bccStr += `<${email}>, `;
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});
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}
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if (additionalFields.attachmentsUi) {
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const attachmentsUi = additionalFields.attachmentsUi as IDataObject;
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let attachmentsBinary = [];
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if (!isEmpty(attachmentsUi)) {
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if (attachmentsUi.hasOwnProperty('attachmentsBinary')
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&& !isEmpty(attachmentsUi.attachmentsBinary)
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&& items[i].binary) {
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// @ts-ignore
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attachmentsBinary = attachmentsUi.attachmentsBinary.map((value) => {
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if (items[i].binary!.hasOwnProperty(value.property)) {
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const aux: IAttachments = { name: '', content: '', type: '' };
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aux.name = items[i].binary![value.property].fileName || 'unknown';
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aux.content = items[i].binary![value.property].data;
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aux.type = items[i].binary![value.property].mimeType;
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return aux;
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}
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});
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}
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qs = {
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userId: 'me',
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uploadType: 'media',
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};
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attachmentsList = attachmentsBinary;
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}
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}
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const email: IEmail = {
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to: toStr,
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cc: ccStr,
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bcc: bccStr,
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subject: this.getNodeParameter('subject', i) as string,
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body: this.getNodeParameter('message', i) as string,
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attachments: attachmentsList,
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};
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if (this.getNodeParameter('includeHtml', i, false) as boolean === true) {
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email.htmlBody = this.getNodeParameter('htmlMessage', i) as string;
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}
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endpoint = '/gmail/v1/users/me/messages/send';
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method = 'POST';
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body = {
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raw: await encodeEmail(email),
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};
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responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
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}
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if (operation === 'reply') {
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const id = this.getNodeParameter('messageId', i) as string;
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const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
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let toStr = '';
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let ccStr = '';
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let bccStr = '';
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let attachmentsList: IDataObject[] = [];
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const toList = this.getNodeParameter('toList', i) as IDataObject[];
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toList.forEach((email) => {
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toStr += `<${email}>, `;
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});
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if (additionalFields.ccList) {
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const ccList = additionalFields.ccList as IDataObject[];
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ccList.forEach((email) => {
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ccStr += `<${email}>, `;
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});
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}
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if (additionalFields.bccList) {
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const bccList = additionalFields.bccList as IDataObject[];
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bccList.forEach((email) => {
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bccStr += `<${email}>, `;
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});
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}
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if (additionalFields.attachmentsUi) {
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const attachmentsUi = additionalFields.attachmentsUi as IDataObject;
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let attachmentsBinary = [];
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if (!isEmpty(attachmentsUi)) {
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if (attachmentsUi.hasOwnProperty('attachmentsBinary')
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&& !isEmpty(attachmentsUi.attachmentsBinary)
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&& items[i].binary) {
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// @ts-ignore
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attachmentsBinary = attachmentsUi.attachmentsBinary.map((value) => {
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if (items[i].binary!.hasOwnProperty(value.property)) {
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const aux: IAttachments = { name: '', content: '', type: '' };
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aux.name = items[i].binary![value.property].fileName || 'unknown';
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aux.content = items[i].binary![value.property].data;
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aux.type = items[i].binary![value.property].mimeType;
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return aux;
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}
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});
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}
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qs = {
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userId: 'me',
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uploadType: 'media',
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};
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attachmentsList = attachmentsBinary;
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}
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}
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// if no recipient is defined then grab the one who sent the email
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if (toStr === '') {
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endpoint = `/gmail/v1/users/me/messages/${id}`;
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qs.format = 'metadata';
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const { payload } = await googleApiRequest.call(this, method, endpoint, body, qs);
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for (const header of payload.headers as IDataObject[]) {
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if (header.name === 'From') {
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toStr = `<${extractEmail(header.value as string)}>,`;
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break;
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}
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}
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}
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const email: IEmail = {
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to: toStr,
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cc: ccStr,
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bcc: bccStr,
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subject: this.getNodeParameter('subject', i) as string,
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body: this.getNodeParameter('message', i) as string,
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attachments: attachmentsList,
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};
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if (this.getNodeParameter('includeHtml', i, false) as boolean === true) {
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email.htmlBody = this.getNodeParameter('htmlMessage', i) as string;
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}
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endpoint = '/gmail/v1/users/me/messages/send';
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method = 'POST';
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email.inReplyTo = id;
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email.reference = id;
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body = {
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raw: await encodeEmail(email),
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threadId: this.getNodeParameter('threadId', i) as string,
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};
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responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
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}
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if (operation === 'get') {
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//https://developers.google.com/gmail/api/v1/reference/users/messages/get
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method = 'GET';
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const id = this.getNodeParameter('messageId', i);
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const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
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const format = additionalFields.format || 'resolved';
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if (format === 'resolved') {
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qs.format = 'raw';
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} else {
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qs.format = format;
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}
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endpoint = `/gmail/v1/users/me/messages/${id}`;
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responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
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let nodeExecutionData: INodeExecutionData;
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if (format === 'resolved') {
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const dataPropertyNameDownload = additionalFields.dataPropertyAttachmentsPrefixName as string || 'attachment_';
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nodeExecutionData = await parseRawEmail.call(this, responseData, dataPropertyNameDownload);
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} else {
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nodeExecutionData = {
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json: responseData,
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};
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}
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responseData = nodeExecutionData;
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}
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if (operation === 'getAll') {
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const returnAll = this.getNodeParameter('returnAll', i) as boolean;
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const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
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Object.assign(qs, additionalFields);
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if (qs.labelIds) {
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// tslint:disable-next-line: triple-equals
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if (qs.labelIds == '') {
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delete qs.labelIds;
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} else {
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qs.labelIds = qs.labelIds as string[];
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}
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}
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if (returnAll) {
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responseData = await googleApiRequestAllItems.call(
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this,
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'messages',
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'GET',
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`/gmail/v1/users/me/messages`,
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{},
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qs,
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);
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} else {
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qs.maxResults = this.getNodeParameter('limit', i) as number;
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responseData = await googleApiRequest.call(
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this,
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'GET',
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`/gmail/v1/users/me/messages`,
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{},
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qs,
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);
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responseData = responseData.messages;
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}
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if (responseData === undefined) {
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responseData = [];
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}
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const format = additionalFields.format || 'resolved';
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if (format !== 'ids') {
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if (format === 'resolved') {
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qs.format = 'raw';
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} else {
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qs.format = format;
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}
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for (let i = 0; i < responseData.length; i++) {
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responseData[i] = await googleApiRequest.call(
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this,
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'GET',
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`/gmail/v1/users/me/messages/${responseData[i].id}`,
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body,
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qs,
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);
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if (format === 'resolved') {
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const dataPropertyNameDownload = additionalFields.dataPropertyAttachmentsPrefixName as string || 'attachment_';
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responseData[i] = await parseRawEmail.call(this, responseData[i], dataPropertyNameDownload);
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}
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}
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}
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if (format !== 'resolved') {
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responseData = this.helpers.returnJsonArray(responseData);
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}
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|
|
}
|
|
if (operation === 'delete') {
|
|
// https://developers.google.com/gmail/api/v1/reference/users/messages/delete
|
|
method = 'DELETE';
|
|
const id = this.getNodeParameter('messageId', i);
|
|
|
|
endpoint = `/gmail/v1/users/me/messages/${id}`;
|
|
|
|
responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
|
|
|
|
responseData = { success: true };
|
|
}
|
|
}
|
|
if (resource === 'draft') {
|
|
if (operation === 'create') {
|
|
// https://developers.google.com/gmail/api/v1/reference/users/drafts/create
|
|
|
|
const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
|
|
|
|
let toStr = '';
|
|
let ccStr = '';
|
|
let bccStr = '';
|
|
let attachmentsList: IDataObject[] = [];
|
|
|
|
if (additionalFields.toList) {
|
|
const toList = additionalFields.toList as IDataObject[];
|
|
|
|
toList.forEach((email) => {
|
|
toStr += `<${email}>, `;
|
|
});
|
|
}
|
|
|
|
if (additionalFields.ccList) {
|
|
const ccList = additionalFields.ccList as IDataObject[];
|
|
|
|
ccList.forEach((email) => {
|
|
ccStr += `<${email}>, `;
|
|
});
|
|
}
|
|
|
|
if (additionalFields.bccList) {
|
|
const bccList = additionalFields.bccList as IDataObject[];
|
|
|
|
bccList.forEach((email) => {
|
|
bccStr += `<${email}>, `;
|
|
});
|
|
}
|
|
|
|
if (additionalFields.attachmentsUi) {
|
|
const attachmentsUi = additionalFields.attachmentsUi as IDataObject;
|
|
let attachmentsBinary = [];
|
|
if (!isEmpty(attachmentsUi)) {
|
|
if (attachmentsUi.hasOwnProperty('attachmentsBinary')
|
|
&& !isEmpty(attachmentsUi.attachmentsBinary)
|
|
&& items[i].binary) {
|
|
// @ts-ignore
|
|
attachmentsBinary = attachmentsUi.attachmentsBinary.map((value) => {
|
|
if (items[i].binary!.hasOwnProperty(value.property)) {
|
|
const aux: IAttachments = { name: '', content: '', type: '' };
|
|
aux.name = items[i].binary![value.property].fileName || 'unknown';
|
|
aux.content = items[i].binary![value.property].data;
|
|
aux.type = items[i].binary![value.property].mimeType;
|
|
return aux;
|
|
}
|
|
});
|
|
}
|
|
|
|
qs = {
|
|
userId: 'me',
|
|
uploadType: 'media',
|
|
};
|
|
|
|
attachmentsList = attachmentsBinary;
|
|
}
|
|
}
|
|
|
|
const email: IEmail = {
|
|
to: toStr,
|
|
cc: ccStr,
|
|
bcc: bccStr,
|
|
subject: this.getNodeParameter('subject', i) as string,
|
|
body: this.getNodeParameter('message', i) as string,
|
|
attachments: attachmentsList,
|
|
};
|
|
|
|
if (this.getNodeParameter('includeHtml', i, false) as boolean === true) {
|
|
email.htmlBody = this.getNodeParameter('htmlMessage', i) as string;
|
|
}
|
|
|
|
endpoint = '/gmail/v1/users/me/drafts';
|
|
method = 'POST';
|
|
|
|
body = {
|
|
message: {
|
|
raw: await encodeEmail(email),
|
|
},
|
|
};
|
|
|
|
responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
|
|
}
|
|
if (operation === 'get') {
|
|
// https://developers.google.com/gmail/api/v1/reference/users/drafts/get
|
|
method = 'GET';
|
|
const id = this.getNodeParameter('messageId', i);
|
|
|
|
const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
|
|
const format = additionalFields.format || 'resolved';
|
|
|
|
if (format === 'resolved') {
|
|
qs.format = 'raw';
|
|
} else {
|
|
qs.format = format;
|
|
}
|
|
|
|
endpoint = `/gmail/v1/users/me/drafts/${id}`;
|
|
|
|
responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
|
|
|
|
const binaryData: IBinaryKeyData = {};
|
|
|
|
let nodeExecutionData: INodeExecutionData;
|
|
if (format === 'resolved') {
|
|
const dataPropertyNameDownload = additionalFields.dataPropertyAttachmentsPrefixName as string || 'attachment_';
|
|
|
|
nodeExecutionData = await parseRawEmail.call(this, responseData.message, dataPropertyNameDownload);
|
|
|
|
// Add the draft-id
|
|
nodeExecutionData.json.messageId = nodeExecutionData.json.id;
|
|
nodeExecutionData.json.id = responseData.id;
|
|
} else {
|
|
nodeExecutionData = {
|
|
json: responseData,
|
|
binary: Object.keys(binaryData).length ? binaryData : undefined,
|
|
};
|
|
}
|
|
|
|
responseData = nodeExecutionData;
|
|
}
|
|
if (operation === 'delete') {
|
|
// https://developers.google.com/gmail/api/v1/reference/users/drafts/delete
|
|
method = 'DELETE';
|
|
const id = this.getNodeParameter('messageId', i);
|
|
|
|
endpoint = `/gmail/v1/users/me/drafts/${id}`;
|
|
|
|
responseData = await googleApiRequest.call(this, method, endpoint, body, qs);
|
|
|
|
responseData = { success: true };
|
|
}
|
|
if (operation === 'getAll') {
|
|
const returnAll = this.getNodeParameter('returnAll', i) as boolean;
|
|
const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
|
|
Object.assign(qs, additionalFields);
|
|
|
|
if (returnAll) {
|
|
responseData = await googleApiRequestAllItems.call(
|
|
this,
|
|
'drafts',
|
|
'GET',
|
|
`/gmail/v1/users/me/drafts`,
|
|
{},
|
|
qs,
|
|
);
|
|
} else {
|
|
qs.maxResults = this.getNodeParameter('limit', i) as number;
|
|
responseData = await googleApiRequest.call(
|
|
this,
|
|
'GET',
|
|
`/gmail/v1/users/me/drafts`,
|
|
{},
|
|
qs,
|
|
);
|
|
responseData = responseData.drafts;
|
|
}
|
|
|
|
if (responseData === undefined) {
|
|
responseData = [];
|
|
}
|
|
|
|
const format = additionalFields.format || 'resolved';
|
|
|
|
if (format !== 'ids') {
|
|
if (format === 'resolved') {
|
|
qs.format = 'raw';
|
|
} else {
|
|
qs.format = format;
|
|
}
|
|
|
|
for (let i = 0; i < responseData.length; i++) {
|
|
|
|
responseData[i] = await googleApiRequest.call(
|
|
this,
|
|
'GET',
|
|
`/gmail/v1/users/me/drafts/${responseData[i].id}`,
|
|
body,
|
|
qs,
|
|
);
|
|
|
|
if (format === 'resolved') {
|
|
const dataPropertyNameDownload = additionalFields.dataPropertyAttachmentsPrefixName as string || 'attachment_';
|
|
const id = responseData[i].id;
|
|
responseData[i] = await parseRawEmail.call(this, responseData[i].message, dataPropertyNameDownload);
|
|
|
|
// Add the draft-id
|
|
responseData[i].json.messageId = responseData[i].json.id;
|
|
responseData[i].json.id = id;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (format !== 'resolved') {
|
|
responseData = this.helpers.returnJsonArray(responseData);
|
|
}
|
|
}
|
|
}
|
|
if (Array.isArray(responseData)) {
|
|
returnData.push.apply(returnData, responseData as IDataObject[]);
|
|
} else {
|
|
returnData.push(responseData as IDataObject);
|
|
}
|
|
}
|
|
if (['draft', 'message'].includes(resource) && ['get', 'getAll'].includes(operation)) {
|
|
//@ts-ignore
|
|
return this.prepareOutputData(returnData);
|
|
}
|
|
return [this.helpers.returnJsonArray(returnData)];
|
|
}
|
|
}
|