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test(Email Trigger (IMAP) Node): Improve email imap testing (#13255)
Co-authored-by: Michael Kret <michael.k@radency.com>
This commit is contained in:
Dana
GitHub
parent
2ab59d775b
commit
44121a92e5
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@ -0,0 +1,66 @@
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/* eslint-disable n8n-nodes-base/node-filename-against-convention */
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import { mock } from 'jest-mock-extended';
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import { type INodeTypeBaseDescription, type ITriggerFunctions } from 'n8n-workflow';
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import { type ICredentialsDataImap } from '../../../../credentials/Imap.credentials';
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import { EmailReadImapV2 } from '../../v2/EmailReadImapV2.node';
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jest.mock('@n8n/imap', () => {
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const originalModule = jest.requireActual('@n8n/imap');
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return {
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...originalModule,
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connect: jest.fn().mockImplementation(() => ({
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then: jest.fn().mockImplementation(() => ({
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openBox: jest.fn().mockResolvedValue({}),
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})),
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})),
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};
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});
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describe('Test IMap V2', () => {
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const triggerFunctions = mock<ITriggerFunctions>({
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helpers: {
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createDeferredPromise: jest.fn().mockImplementation(() => {
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let resolve, reject;
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const promise = new Promise((res, rej) => {
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resolve = res;
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reject = rej;
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});
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return { promise, resolve, reject };
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}),
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},
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});
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const credentials: ICredentialsDataImap = {
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host: 'imap.gmail.com',
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port: 993,
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user: 'user',
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password: 'password',
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secure: false,
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allowUnauthorizedCerts: false,
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};
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triggerFunctions.getCredentials.calledWith('imap').mockResolvedValue(credentials);
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triggerFunctions.logger.debug = jest.fn();
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triggerFunctions.getNodeParameter.calledWith('options').mockReturnValue({
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name: 'Mark as Read',
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value: 'read',
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});
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const baseDescription: INodeTypeBaseDescription = {
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displayName: 'EmailReadImapV2',
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name: 'emailReadImapV2',
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icon: 'file:removeDuplicates.svg',
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group: ['transform'],
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description: 'Delete items with matching field values',
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};
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afterEach(() => jest.resetAllMocks());
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it('should run return a close function on success', async () => {
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const result = await new EmailReadImapV2(baseDescription).trigger.call(triggerFunctions);
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expect(result.closeFunction).toBeDefined();
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});
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});
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@ -0,0 +1,91 @@
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import { type ImapSimple } from '@n8n/imap';
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import { mock } from 'jest-mock-extended';
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import { returnJsonArray } from 'n8n-core';
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import { type IDataObject, type ITriggerFunctions } from 'n8n-workflow';
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import { getNewEmails } from '../../v2/utils';
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describe('Test IMap V2 utils', () => {
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afterEach(() => jest.resetAllMocks());
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describe('getNewEmails', () => {
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const triggerFunctions = mock<ITriggerFunctions>({
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helpers: { returnJsonArray },
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});
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const message = {
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attributes: {
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uuid: 1,
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struct: {},
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},
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parts: [
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{ which: '', body: 'Body content' },
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{ which: 'HEADER', body: 'h' },
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{ which: 'TEXT', body: 'txt' },
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],
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};
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const staticData: IDataObject = {};
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const imapConnection = mock<ImapSimple>({
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search: jest.fn().mockReturnValue(Promise.resolve([message])),
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});
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const getText = jest.fn().mockReturnValue('text');
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const getAttachment = jest.fn().mockReturnValue(['attachment']);
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it('should return new emails', async () => {
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const expectedResults = [
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{
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format: 'resolved',
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expected: {
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json: {
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attachments: undefined,
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headers: { '': 'Body content' },
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headerLines: undefined,
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html: false,
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},
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binary: undefined,
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},
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},
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{
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format: 'simple',
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expected: {
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json: {
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textHtml: 'text',
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textPlain: 'text',
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metadata: {
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'0': 'h',
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},
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},
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},
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},
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{
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format: 'raw',
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expected: {
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json: { raw: 'txt' },
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},
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},
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];
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expectedResults.forEach(async (expectedResult) => {
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triggerFunctions.getNodeParameter
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.calledWith('format')
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.mockReturnValue(expectedResult.format);
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triggerFunctions.getNodeParameter
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.calledWith('dataPropertyAttachmentsPrefixName')
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.mockReturnValue('resolved');
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const result = getNewEmails.call(
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triggerFunctions,
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imapConnection,
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[],
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staticData,
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'',
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getText,
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getAttachment,
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);
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await expect(result).resolves.toEqual([expectedResult.expected]);
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});
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});
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});
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});
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@ -1,18 +1,13 @@
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import type { ImapSimple, ImapSimpleOptions, Message, MessagePart } from '@n8n/imap';
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import { connect as imapConnect, getParts } from '@n8n/imap';
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import find from 'lodash/find';
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import { connect as imapConnect } from '@n8n/imap';
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import isEmpty from 'lodash/isEmpty';
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import type { Source as ParserSource } from 'mailparser';
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import { simpleParser } from 'mailparser';
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import type {
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ITriggerFunctions,
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IBinaryData,
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IBinaryKeyData,
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ICredentialsDecrypted,
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ICredentialTestFunctions,
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IDataObject,
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INodeCredentialTestResult,
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INodeExecutionData,
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INodeType,
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INodeTypeBaseDescription,
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INodeTypeDescription,
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@ -22,45 +17,10 @@ import type {
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import { NodeConnectionType, NodeOperationError, TriggerCloseError } from 'n8n-workflow';
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import rfc2047 from 'rfc2047';
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import { getNewEmails } from './utils';
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import type { ICredentialsDataImap } from '../../../credentials/Imap.credentials';
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import { isCredentialsDataImap } from '../../../credentials/Imap.credentials';
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export async function parseRawEmail(
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this: ITriggerFunctions,
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messageEncoded: ParserSource,
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dataPropertyNameDownload: string,
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): Promise<INodeExecutionData> {
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const responseData = await simpleParser(messageEncoded);
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const headers: IDataObject = {};
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const additionalData: IDataObject = {};
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for (const header of responseData.headerLines) {
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headers[header.key] = header.line;
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}
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additionalData.headers = headers;
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additionalData.headerLines = undefined;
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const binaryData: IBinaryKeyData = {};
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if (responseData.attachments) {
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for (let i = 0; i < responseData.attachments.length; i++) {
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const attachment = responseData.attachments[i];
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binaryData[`${dataPropertyNameDownload}${i}`] = await this.helpers.prepareBinaryData(
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attachment.content,
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attachment.filename,
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attachment.contentType,
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);
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}
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additionalData.attachments = undefined;
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}
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return {
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json: { ...responseData, ...additionalData },
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binary: Object.keys(binaryData).length ? binaryData : undefined,
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} as INodeExecutionData;
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}
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const versionDescription: INodeTypeDescription = {
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displayName: 'Email Trigger (IMAP)',
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name: 'emailReadImap',
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@ -369,171 +329,6 @@ export class EmailReadImapV2 implements INodeType {
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return await Promise.all(attachmentPromises);
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};
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// Returns all the new unseen messages
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const getNewEmails = async (
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imapConnection: ImapSimple,
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searchCriteria: Array<string | string[]>,
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): Promise<INodeExecutionData[]> => {
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const format = this.getNodeParameter('format', 0) as string;
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let fetchOptions = {};
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if (format === 'simple' || format === 'raw') {
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fetchOptions = {
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bodies: ['TEXT', 'HEADER'],
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markSeen: false,
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struct: true,
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};
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} else if (format === 'resolved') {
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fetchOptions = {
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bodies: [''],
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markSeen: false,
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struct: true,
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};
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}
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const results = await imapConnection.search(searchCriteria, fetchOptions);
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const newEmails: INodeExecutionData[] = [];
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let newEmail: INodeExecutionData;
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let attachments: IBinaryData[];
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let propertyName: string;
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// All properties get by default moved to metadata except the ones
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// which are defined here which get set on the top level.
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const topLevelProperties = ['cc', 'date', 'from', 'subject', 'to'];
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if (format === 'resolved') {
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const dataPropertyAttachmentsPrefixName = this.getNodeParameter(
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'dataPropertyAttachmentsPrefixName',
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) as string;
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for (const message of results) {
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if (
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staticData.lastMessageUid !== undefined &&
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message.attributes.uid <= (staticData.lastMessageUid as number)
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) {
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continue;
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}
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if (
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staticData.lastMessageUid === undefined ||
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(staticData.lastMessageUid as number) < message.attributes.uid
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) {
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staticData.lastMessageUid = message.attributes.uid;
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}
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const part = find(message.parts, { which: '' });
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if (part === undefined) {
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throw new NodeOperationError(this.getNode(), 'Email part could not be parsed.');
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}
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const parsedEmail = await parseRawEmail.call(
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this,
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part.body as Buffer,
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dataPropertyAttachmentsPrefixName,
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);
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newEmails.push(parsedEmail);
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}
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} else if (format === 'simple') {
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const downloadAttachments = this.getNodeParameter('downloadAttachments') as boolean;
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let dataPropertyAttachmentsPrefixName = '';
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if (downloadAttachments) {
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dataPropertyAttachmentsPrefixName = this.getNodeParameter(
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'dataPropertyAttachmentsPrefixName',
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) as string;
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}
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for (const message of results) {
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if (
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staticData.lastMessageUid !== undefined &&
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message.attributes.uid <= (staticData.lastMessageUid as number)
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) {
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continue;
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}
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if (
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staticData.lastMessageUid === undefined ||
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(staticData.lastMessageUid as number) < message.attributes.uid
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) {
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staticData.lastMessageUid = message.attributes.uid;
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}
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const parts = getParts(message.attributes.struct as IDataObject[]);
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newEmail = {
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json: {
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textHtml: await getText(parts, message, 'html'),
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textPlain: await getText(parts, message, 'plain'),
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metadata: {} as IDataObject,
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},
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};
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const messageHeader = message.parts.filter((part) => part.which === 'HEADER');
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const messageBody = messageHeader[0].body as Record<string, string[]>;
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for (propertyName of Object.keys(messageBody)) {
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if (messageBody[propertyName].length) {
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if (topLevelProperties.includes(propertyName)) {
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newEmail.json[propertyName] = messageBody[propertyName][0];
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} else {
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(newEmail.json.metadata as IDataObject)[propertyName] =
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messageBody[propertyName][0];
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}
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}
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}
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if (downloadAttachments) {
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// Get attachments and add them if any get found
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attachments = await getAttachment(imapConnection, parts, message);
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if (attachments.length) {
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newEmail.binary = {};
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for (let i = 0; i < attachments.length; i++) {
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newEmail.binary[`${dataPropertyAttachmentsPrefixName}${i}`] = attachments[i];
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}
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}
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}
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newEmails.push(newEmail);
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}
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} else if (format === 'raw') {
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for (const message of results) {
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if (
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staticData.lastMessageUid !== undefined &&
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message.attributes.uid <= (staticData.lastMessageUid as number)
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) {
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continue;
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}
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if (
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staticData.lastMessageUid === undefined ||
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(staticData.lastMessageUid as number) < message.attributes.uid
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) {
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staticData.lastMessageUid = message.attributes.uid;
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}
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const part = find(message.parts, { which: 'TEXT' });
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if (part === undefined) {
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throw new NodeOperationError(this.getNode(), 'Email part could not be parsed.');
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}
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// Return base64 string
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newEmail = {
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json: {
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raw: part.body as string,
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},
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};
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newEmails.push(newEmail);
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}
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}
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// only mark messages as seen once processing has finished
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if (postProcessAction === 'read') {
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const uidList = results.map((e) => e.attributes.uid);
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if (uidList.length > 0) {
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await imapConnection.addFlags(uidList, '\\SEEN');
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}
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}
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return newEmails;
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};
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const returnedPromise = this.helpers.createDeferredPromise();
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const establishConnection = async (): Promise<ImapSimple> => {
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@ -579,7 +374,15 @@ export class EmailReadImapV2 implements INodeType {
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}
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try {
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const returnData = await getNewEmails(connection, searchCriteria);
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const returnData = await getNewEmails.call(
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this,
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connection,
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searchCriteria,
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staticData,
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postProcessAction,
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getText,
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getAttachment,
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);
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if (returnData.length) {
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this.emit([returnData]);
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}
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|
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219
packages/nodes-base/nodes/EmailReadImap/v2/utils.ts
Normal file
219
packages/nodes-base/nodes/EmailReadImap/v2/utils.ts
Normal file
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@ -0,0 +1,219 @@
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import { getParts, type ImapSimple, type Message, type MessagePart } from '@n8n/imap';
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import { find } from 'lodash';
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import { simpleParser, type Source as ParserSource } from 'mailparser';
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import {
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type IBinaryData,
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type INodeExecutionData,
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type IDataObject,
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type ITriggerFunctions,
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NodeOperationError,
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type IBinaryKeyData,
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} from 'n8n-workflow';
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async function parseRawEmail(
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this: ITriggerFunctions,
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messageEncoded: ParserSource,
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dataPropertyNameDownload: string,
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): Promise<INodeExecutionData> {
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const responseData = await simpleParser(messageEncoded);
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const headers: IDataObject = {};
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const additionalData: IDataObject = {};
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|
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for (const header of responseData.headerLines) {
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headers[header.key] = header.line;
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}
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additionalData.headers = headers;
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additionalData.headerLines = undefined;
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const binaryData: IBinaryKeyData = {};
|
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if (responseData.attachments) {
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for (let i = 0; i < responseData.attachments.length; i++) {
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const attachment = responseData.attachments[i];
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binaryData[`${dataPropertyNameDownload}${i}`] = await this.helpers.prepareBinaryData(
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attachment.content,
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attachment.filename,
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attachment.contentType,
|
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);
|
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}
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|
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additionalData.attachments = undefined;
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}
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return {
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json: { ...responseData, ...additionalData },
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binary: Object.keys(binaryData).length ? binaryData : undefined,
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} as INodeExecutionData;
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}
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export async function getNewEmails(
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this: ITriggerFunctions,
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imapConnection: ImapSimple,
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searchCriteria: Array<string | string[]>,
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staticData: IDataObject,
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postProcessAction: string,
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getText: (parts: MessagePart[], message: Message, subtype: string) => Promise<string>,
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getAttachment: (
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imapConnection: ImapSimple,
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parts: MessagePart[],
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message: Message,
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) => Promise<IBinaryData[]>,
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): Promise<INodeExecutionData[]> {
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const format = this.getNodeParameter('format', 0) as string;
|
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|
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let fetchOptions = {};
|
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|
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if (format === 'simple' || format === 'raw') {
|
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fetchOptions = {
|
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bodies: ['TEXT', 'HEADER'],
|
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markSeen: false,
|
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struct: true,
|
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};
|
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} else if (format === 'resolved') {
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fetchOptions = {
|
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bodies: [''],
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markSeen: false,
|
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struct: true,
|
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};
|
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}
|
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const results = await imapConnection.search(searchCriteria, fetchOptions);
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const newEmails: INodeExecutionData[] = [];
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let newEmail: INodeExecutionData;
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let attachments: IBinaryData[];
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let propertyName: string;
|
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|
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// All properties get by default moved to metadata except the ones
|
||||
// which are defined here which get set on the top level.
|
||||
const topLevelProperties = ['cc', 'date', 'from', 'subject', 'to'];
|
||||
|
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if (format === 'resolved') {
|
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const dataPropertyAttachmentsPrefixName = this.getNodeParameter(
|
||||
'dataPropertyAttachmentsPrefixName',
|
||||
) as string;
|
||||
|
||||
for (const message of results) {
|
||||
if (
|
||||
staticData.lastMessageUid !== undefined &&
|
||||
message.attributes.uid <= (staticData.lastMessageUid as number)
|
||||
) {
|
||||
continue;
|
||||
}
|
||||
if (
|
||||
staticData.lastMessageUid === undefined ||
|
||||
(staticData.lastMessageUid as number) < message.attributes.uid
|
||||
) {
|
||||
staticData.lastMessageUid = message.attributes.uid;
|
||||
}
|
||||
const part = find(message.parts, { which: '' });
|
||||
|
||||
if (part === undefined) {
|
||||
throw new NodeOperationError(this.getNode(), 'Email part could not be parsed.');
|
||||
}
|
||||
const parsedEmail = await parseRawEmail.call(
|
||||
this,
|
||||
part.body as Buffer,
|
||||
dataPropertyAttachmentsPrefixName,
|
||||
);
|
||||
|
||||
newEmails.push(parsedEmail);
|
||||
}
|
||||
} else if (format === 'simple') {
|
||||
const downloadAttachments = this.getNodeParameter('downloadAttachments') as boolean;
|
||||
|
||||
let dataPropertyAttachmentsPrefixName = '';
|
||||
if (downloadAttachments) {
|
||||
dataPropertyAttachmentsPrefixName = this.getNodeParameter(
|
||||
'dataPropertyAttachmentsPrefixName',
|
||||
) as string;
|
||||
}
|
||||
|
||||
for (const message of results) {
|
||||
if (
|
||||
staticData.lastMessageUid !== undefined &&
|
||||
message.attributes.uid <= (staticData.lastMessageUid as number)
|
||||
) {
|
||||
continue;
|
||||
}
|
||||
if (
|
||||
staticData.lastMessageUid === undefined ||
|
||||
(staticData.lastMessageUid as number) < message.attributes.uid
|
||||
) {
|
||||
staticData.lastMessageUid = message.attributes.uid;
|
||||
}
|
||||
const parts = getParts(message.attributes.struct as IDataObject[]);
|
||||
|
||||
newEmail = {
|
||||
json: {
|
||||
textHtml: await getText(parts, message, 'html'),
|
||||
textPlain: await getText(parts, message, 'plain'),
|
||||
metadata: {} as IDataObject,
|
||||
},
|
||||
};
|
||||
|
||||
const messageHeader = message.parts.filter((part) => part.which === 'HEADER');
|
||||
|
||||
const messageBody = messageHeader[0].body as Record<string, string[]>;
|
||||
for (propertyName of Object.keys(messageBody)) {
|
||||
if (messageBody[propertyName].length) {
|
||||
if (topLevelProperties.includes(propertyName)) {
|
||||
newEmail.json[propertyName] = messageBody[propertyName][0];
|
||||
} else {
|
||||
(newEmail.json.metadata as IDataObject)[propertyName] = messageBody[propertyName][0];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (downloadAttachments) {
|
||||
// Get attachments and add them if any get found
|
||||
attachments = await getAttachment(imapConnection, parts, message);
|
||||
if (attachments.length) {
|
||||
newEmail.binary = {};
|
||||
for (let i = 0; i < attachments.length; i++) {
|
||||
newEmail.binary[`${dataPropertyAttachmentsPrefixName}${i}`] = attachments[i];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
newEmails.push(newEmail);
|
||||
}
|
||||
} else if (format === 'raw') {
|
||||
for (const message of results) {
|
||||
if (
|
||||
staticData.lastMessageUid !== undefined &&
|
||||
message.attributes.uid <= (staticData.lastMessageUid as number)
|
||||
) {
|
||||
continue;
|
||||
}
|
||||
if (
|
||||
staticData.lastMessageUid === undefined ||
|
||||
(staticData.lastMessageUid as number) < message.attributes.uid
|
||||
) {
|
||||
staticData.lastMessageUid = message.attributes.uid;
|
||||
}
|
||||
const part = find(message.parts, { which: 'TEXT' });
|
||||
|
||||
if (part === undefined) {
|
||||
throw new NodeOperationError(this.getNode(), 'Email part could not be parsed.');
|
||||
}
|
||||
// Return base64 string
|
||||
newEmail = {
|
||||
json: {
|
||||
raw: part.body as string,
|
||||
},
|
||||
};
|
||||
|
||||
newEmails.push(newEmail);
|
||||
}
|
||||
}
|
||||
|
||||
// only mark messages as seen once processing has finished
|
||||
if (postProcessAction === 'read') {
|
||||
const uidList = results.map((e) => e.attributes.uid);
|
||||
if (uidList.length > 0) {
|
||||
await imapConnection.addFlags(uidList, '\\SEEN');
|
||||
}
|
||||
}
|
||||
return newEmails;
|
||||
}
|
||||
Loading…
Reference in a new issue