2025-05-23 19:09:30 +00:00
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import { tap, expect } from '@git.zone/tstest/tapbundle';
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2025-05-24 00:23:35 +00:00
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import * as plugins from '../../../ts/plugins.js';
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2025-05-23 19:03:44 +00:00
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import * as net from 'net';
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2025-05-24 01:00:30 +00:00
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import { startTestServer, stopTestServer } from '../../helpers/server.loader.js'
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import type { ITestServer } from '../../helpers/server.loader.js';
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let testServer: ITestServer;
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2025-05-24 00:23:35 +00:00
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const TEST_PORT = 2525;
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tap.test('setup - start test server', async () => {
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testServer = await startTestServer({ port: TEST_PORT });
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await new Promise(resolve => setTimeout(resolve, 1000));
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2025-05-23 19:03:44 +00:00
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});
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tap.test('Nested MIME Structures - should handle deeply nested multipart structure', async (tools) => {
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const done = tools.defer();
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const socket = net.createConnection({
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host: 'localhost',
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port: TEST_PORT,
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timeout: 30000
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});
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let dataBuffer = '';
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let state = 'initial';
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2025-05-23 19:03:44 +00:00
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socket.on('data', (data) => {
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dataBuffer += data.toString();
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console.log('Server response:', data.toString());
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2025-05-24 00:23:35 +00:00
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if (dataBuffer.includes('220 ') && state === 'initial') {
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2025-05-23 19:03:44 +00:00
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// Send EHLO
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socket.write('EHLO testclient\r\n');
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2025-05-24 00:23:35 +00:00
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state = 'ehlo_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && state === 'ehlo_sent') {
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2025-05-23 19:03:44 +00:00
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// Send MAIL FROM
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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state = 'mail_from_sent';
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dataBuffer = '';
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2025-05-24 00:23:35 +00:00
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} else if (dataBuffer.includes('250 ') && state === 'mail_from_sent') {
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// Send RCPT TO
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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state = 'rcpt_to_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && state === 'rcpt_to_sent') {
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// Send DATA
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socket.write('DATA\r\n');
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state = 'data_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('354 ') && state === 'data_sent') {
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// Create deeply nested MIME structure (4 levels)
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const outerBoundary = '----=_Outer_Boundary_' + Date.now();
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const middleBoundary = '----=_Middle_Boundary_' + Date.now();
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const innerBoundary = '----=_Inner_Boundary_' + Date.now();
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const deepBoundary = '----=_Deep_Boundary_' + Date.now();
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let emailContent = [
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'Subject: Deeply Nested MIME Structure Test',
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'From: sender@example.com',
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'To: recipient@example.com',
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'MIME-Version: 1.0',
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`Content-Type: multipart/mixed; boundary="${outerBoundary}"`,
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'',
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'This is a multipart message with deeply nested structure.',
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'',
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// Level 1: Outer boundary
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`--${outerBoundary}`,
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'Content-Type: text/plain',
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'',
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'This is the first part at the outer level.',
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'',
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`--${outerBoundary}`,
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`Content-Type: multipart/alternative; boundary="${middleBoundary}"`,
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'',
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// Level 2: Middle boundary
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`--${middleBoundary}`,
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'Content-Type: text/plain',
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'',
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'Alternative plain text version.',
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'',
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`--${middleBoundary}`,
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`Content-Type: multipart/related; boundary="${innerBoundary}"`,
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'',
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// Level 3: Inner boundary
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`--${innerBoundary}`,
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'Content-Type: text/html',
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'',
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'<html><body><h1>HTML with related content</h1><img src="cid:image1"></body></html>',
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'',
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`--${innerBoundary}`,
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'Content-Type: image/png',
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'Content-ID: <image1>',
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'Content-Transfer-Encoding: base64',
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'',
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'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==',
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'',
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`--${innerBoundary}`,
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`Content-Type: multipart/mixed; boundary="${deepBoundary}"`,
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'',
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// Level 4: Deep boundary
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`--${deepBoundary}`,
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'Content-Type: application/octet-stream',
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'Content-Disposition: attachment; filename="data.bin"',
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'',
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'Binary data simulation',
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'',
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`--${deepBoundary}`,
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'Content-Type: message/rfc822',
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'',
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'Subject: Embedded Message',
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'From: embedded@example.com',
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'To: recipient@example.com',
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'',
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'This is an embedded email message.',
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'',
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`--${deepBoundary}--`,
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'',
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`--${innerBoundary}--`,
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'',
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`--${middleBoundary}--`,
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'',
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`--${outerBoundary}`,
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'Content-Type: application/pdf',
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'Content-Disposition: attachment; filename="document.pdf"',
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'',
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'PDF document data simulation',
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'',
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`--${outerBoundary}--`,
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'.',
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''
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].join('\r\n');
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console.log('Sending email with 4-level nested MIME structure');
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socket.write(emailContent);
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state = 'email_sent';
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dataBuffer = '';
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} else if ((dataBuffer.includes('250 OK') && state === 'email_sent') ||
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dataBuffer.includes('552 ') ||
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dataBuffer.includes('554 ') ||
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dataBuffer.includes('500 ')) {
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// Either accepted or gracefully rejected
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const accepted = dataBuffer.includes('250 ');
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console.log(`Nested MIME structure test ${accepted ? 'accepted' : 'rejected'}`);
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socket.write('QUIT\r\n');
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socket.end();
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done.resolve();
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}
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});
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socket.on('error', (err) => {
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console.error('Socket error:', err);
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done.reject(err);
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});
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socket.on('timeout', () => {
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console.error('Socket timeout');
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socket.destroy();
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done.reject(new Error('Socket timeout'));
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});
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await done.promise;
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});
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tap.test('Nested MIME Structures - should handle circular references in multipart structure', async (tools) => {
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const done = tools.defer();
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const socket = net.createConnection({
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host: 'localhost',
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port: TEST_PORT,
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timeout: 30000
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});
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let dataBuffer = '';
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let state = 'initial';
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socket.on('data', (data) => {
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dataBuffer += data.toString();
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console.log('Server response:', data.toString());
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2025-05-24 00:23:35 +00:00
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if (dataBuffer.includes('220 ') && state === 'initial') {
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2025-05-23 19:03:44 +00:00
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socket.write('EHLO testclient\r\n');
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state = 'ehlo_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && state === 'ehlo_sent') {
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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state = 'mail_from_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && state === 'mail_from_sent') {
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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state = 'rcpt_to_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && state === 'rcpt_to_sent') {
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socket.write('DATA\r\n');
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state = 'data_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('354 ') && state === 'data_sent') {
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// Create structure with references between parts
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const boundary1 = '----=_Boundary1_' + Date.now();
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const boundary2 = '----=_Boundary2_' + Date.now();
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let emailContent = [
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'Subject: Multipart with Cross-References',
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'From: sender@example.com',
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'To: recipient@example.com',
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'MIME-Version: 1.0',
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`Content-Type: multipart/related; boundary="${boundary1}"`,
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'',
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`--${boundary1}`,
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`Content-Type: multipart/alternative; boundary="${boundary2}"`,
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'Content-ID: <part1>',
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'',
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`--${boundary2}`,
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'Content-Type: text/html',
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'',
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'<html><body>See related part: <a href="cid:part2">Link</a></body></html>',
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'',
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`--${boundary2}`,
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'Content-Type: text/plain',
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'',
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'Plain text with reference to part2',
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'',
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`--${boundary2}--`,
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'',
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`--${boundary1}`,
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'Content-Type: application/xml',
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'Content-ID: <part2>',
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'',
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'<?xml version="1.0"?><root><reference href="cid:part1"/></root>',
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'',
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`--${boundary1}--`,
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'.',
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''
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].join('\r\n');
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socket.write(emailContent);
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state = 'email_sent';
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dataBuffer = '';
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} else if ((dataBuffer.includes('250 OK') && state === 'email_sent') ||
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dataBuffer.includes('552 ') ||
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dataBuffer.includes('554 ') ||
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dataBuffer.includes('500 ')) {
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const accepted = dataBuffer.includes('250 ');
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console.log(`Cross-reference test ${accepted ? 'accepted' : 'rejected'}`);
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socket.write('QUIT\r\n');
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socket.end();
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done.resolve();
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}
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});
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socket.on('error', (err) => {
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console.error('Socket error:', err);
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done.reject(err);
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});
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socket.on('timeout', () => {
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console.error('Socket timeout');
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socket.destroy();
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done.reject(new Error('Socket timeout'));
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});
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await done.promise;
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});
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tap.test('Nested MIME Structures - should handle mixed nesting with various encodings', async (tools) => {
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const done = tools.defer();
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const socket = net.createConnection({
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host: 'localhost',
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port: TEST_PORT,
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timeout: 30000
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});
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let dataBuffer = '';
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let state = 'initial';
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socket.on('data', (data) => {
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dataBuffer += data.toString();
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console.log('Server response:', data.toString());
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2025-05-24 00:23:35 +00:00
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if (dataBuffer.includes('220 ') && state === 'initial') {
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socket.write('EHLO testclient\r\n');
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state = 'ehlo_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && state === 'ehlo_sent') {
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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state = 'mail_from_sent';
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && state === 'mail_from_sent') {
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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state = 'rcpt_to_sent';
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2025-05-23 19:03:44 +00:00
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dataBuffer = '';
|
2025-05-24 00:23:35 +00:00
|
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} else if (dataBuffer.includes('250 ') && state === 'rcpt_to_sent') {
|
2025-05-23 19:03:44 +00:00
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socket.write('DATA\r\n');
|
2025-05-24 00:23:35 +00:00
|
|
|
state = 'data_sent';
|
2025-05-23 19:03:44 +00:00
|
|
|
dataBuffer = '';
|
2025-05-24 00:23:35 +00:00
|
|
|
} else if (dataBuffer.includes('354 ') && state === 'data_sent') {
|
2025-05-23 19:03:44 +00:00
|
|
|
// Create structure with various encodings
|
|
|
|
|
const boundary1 = '----=_Encoding_Outer_' + Date.now();
|
|
|
|
|
const boundary2 = '----=_Encoding_Inner_' + Date.now();
|
|
|
|
|
|
|
|
|
|
let emailContent = [
|
|
|
|
|
'Subject: Mixed Encodings in Nested Structure',
|
|
|
|
|
'From: sender@example.com',
|
|
|
|
|
'To: recipient@example.com',
|
|
|
|
|
'MIME-Version: 1.0',
|
|
|
|
|
`Content-Type: multipart/mixed; boundary="${boundary1}"`,
|
|
|
|
|
'',
|
|
|
|
|
`--${boundary1}`,
|
|
|
|
|
'Content-Type: text/plain; charset="utf-8"',
|
|
|
|
|
'Content-Transfer-Encoding: quoted-printable',
|
|
|
|
|
'',
|
|
|
|
|
'This is quoted-printable encoded: =C3=A9=C3=A8=C3=AA',
|
|
|
|
|
'',
|
|
|
|
|
`--${boundary1}`,
|
|
|
|
|
`Content-Type: multipart/alternative; boundary="${boundary2}"`,
|
|
|
|
|
'',
|
|
|
|
|
`--${boundary2}`,
|
|
|
|
|
'Content-Type: text/plain; charset="iso-8859-1"',
|
|
|
|
|
'Content-Transfer-Encoding: 8bit',
|
|
|
|
|
'',
|
|
|
|
|
'Text with 8-bit characters: ñáéíóú',
|
|
|
|
|
'',
|
|
|
|
|
`--${boundary2}`,
|
|
|
|
|
'Content-Type: text/html; charset="utf-16"',
|
|
|
|
|
'Content-Transfer-Encoding: base64',
|
|
|
|
|
'',
|
|
|
|
|
'//48AGgAdABtAGwAPgA8AGIAbwBkAHkAPgBVAFQARgAtADEANgAgAHQAZQB4AHQAPAAvAGIAbwBkAHkAPgA8AC8AaAB0AG0AbAA+',
|
|
|
|
|
'',
|
|
|
|
|
`--${boundary2}--`,
|
|
|
|
|
'',
|
|
|
|
|
`--${boundary1}`,
|
|
|
|
|
'Content-Type: application/octet-stream',
|
|
|
|
|
'Content-Transfer-Encoding: base64',
|
|
|
|
|
'Content-Disposition: attachment; filename="binary.dat"',
|
|
|
|
|
'',
|
|
|
|
|
'VGhpcyBpcyBiaW5hcnkgZGF0YQ==',
|
|
|
|
|
'',
|
|
|
|
|
`--${boundary1}--`,
|
|
|
|
|
'.',
|
|
|
|
|
''
|
|
|
|
|
].join('\r\n');
|
|
|
|
|
|
|
|
|
|
socket.write(emailContent);
|
2025-05-24 00:23:35 +00:00
|
|
|
state = 'email_sent';
|
2025-05-23 19:03:44 +00:00
|
|
|
dataBuffer = '';
|
2025-05-24 00:23:35 +00:00
|
|
|
} else if ((dataBuffer.includes('250 OK') && state === 'email_sent') ||
|
2025-05-23 19:03:44 +00:00
|
|
|
dataBuffer.includes('552 ') ||
|
|
|
|
|
dataBuffer.includes('554 ') ||
|
|
|
|
|
dataBuffer.includes('500 ')) {
|
|
|
|
|
const accepted = dataBuffer.includes('250 ');
|
|
|
|
|
console.log(`Mixed encodings test ${accepted ? 'accepted' : 'rejected'}`);
|
|
|
|
|
|
|
|
|
|
socket.write('QUIT\r\n');
|
|
|
|
|
socket.end();
|
|
|
|
|
done.resolve();
|
|
|
|
|
}
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
socket.on('error', (err) => {
|
|
|
|
|
console.error('Socket error:', err);
|
|
|
|
|
done.reject(err);
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
socket.on('timeout', () => {
|
|
|
|
|
console.error('Socket timeout');
|
|
|
|
|
socket.destroy();
|
|
|
|
|
done.reject(new Error('Socket timeout'));
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
await done.promise;
|
|
|
|
|
});
|
|
|
|
|
|
|
|
|
|
tap.test('cleanup - stop test server', async () => {
|
|
|
|
|
await stopTestServer(testServer);
|
|
|
|
|
});
|
|
|
|
|
|
2025-05-25 19:05:43 +00:00
|
|
|
export default tap.start();
|
