370 lines
12 KiB
TypeScript
370 lines
12 KiB
TypeScript
import { tap, expect } from '@git.zone/tstest/tapbundle';
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import * as plugins from '../plugins.js';
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import * as net from 'net';
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import { startTestServer, stopTestServer, TEST_PORT, sendEmailWithRawSocket } from '../server.loader.js';
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import type { SmtpServer } from '../../../ts/mail/delivery/smtpserver/index.js';
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let testServer: SmtpServer;
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tap.test('setup - start test server', async () => {
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testServer = await startTestServer();
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await plugins.smartdelay.delayFor(1000);
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});
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tap.test('RFC 3461 DSN - DSN extension advertised', 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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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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if (dataBuffer.includes('220 ') && !dataBuffer.includes('EHLO')) {
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// Initial greeting received
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socket.write('EHLO testclient\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250')) {
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// Check if DSN extension is advertised
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const advertisesDsn = dataBuffer.toLowerCase().includes('dsn');
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console.log('DSN extension advertised:', advertisesDsn);
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// Parse extensions
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const lines = dataBuffer.split('\r\n');
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const extensions = lines
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.filter(line => line.startsWith('250-') || (line.startsWith('250 ') && lines.indexOf(line) > 0))
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.map(line => line.substring(4).split(' ')[0].toUpperCase());
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console.log('Server extensions:', extensions);
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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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await done.promise;
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});
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tap.test('RFC 3461 DSN - MAIL FROM with DSN parameters', 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 step = 'greeting';
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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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if (step === 'greeting' && dataBuffer.includes('220 ')) {
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step = 'ehlo';
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socket.write('EHLO testclient\r\n');
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dataBuffer = '';
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} else if (step === 'ehlo' && dataBuffer.includes('250')) {
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step = 'mail_dsn';
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// Test MAIL FROM with DSN parameters (RFC 3461)
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socket.write('MAIL FROM:<sender@example.com> RET=FULL ENVID=test-envelope-123\r\n');
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dataBuffer = '';
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} else if (step === 'mail_dsn') {
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// Server should either accept (250) or reject with proper error
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const accepted = dataBuffer.includes('250');
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const properlyRejected = dataBuffer.includes('501') || dataBuffer.includes('555');
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expect(accepted || properlyRejected).toBeTrue();
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console.log(`DSN parameters in MAIL FROM ${accepted ? 'accepted' : 'rejected'}`);
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if (accepted) {
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// Reset to test other parameters
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socket.write('RSET\r\n');
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step = 'reset1';
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} else {
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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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dataBuffer = '';
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} else if (step === 'reset1' && dataBuffer.includes('250')) {
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step = 'mail_dsn_hdrs';
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// Test with RET=HDRS
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socket.write('MAIL FROM:<sender@example.com> RET=HDRS\r\n');
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dataBuffer = '';
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} else if (step === 'mail_dsn_hdrs') {
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const accepted = dataBuffer.includes('250');
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console.log(`RET=HDRS parameter ${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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await done.promise;
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});
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tap.test('RFC 3461 DSN - RCPT TO with DSN parameters', 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 step = 'greeting';
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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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if (step === 'greeting' && dataBuffer.includes('220 ')) {
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step = 'ehlo';
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socket.write('EHLO testclient\r\n');
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dataBuffer = '';
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} else if (step === 'ehlo' && dataBuffer.includes('250')) {
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step = 'mail';
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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dataBuffer = '';
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} else if (step === 'mail' && dataBuffer.includes('250')) {
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step = 'rcpt_dsn';
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// Test RCPT TO with DSN parameters
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socket.write('RCPT TO:<recipient@example.com> NOTIFY=SUCCESS,FAILURE ORCPT=rfc822;recipient@example.com\r\n');
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dataBuffer = '';
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} else if (step === 'rcpt_dsn') {
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// Server should either accept (250) or reject with proper error
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const accepted = dataBuffer.includes('250');
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const properlyRejected = dataBuffer.includes('501') || dataBuffer.includes('555');
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expect(accepted || properlyRejected).toBeTrue();
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console.log(`DSN parameters in RCPT TO ${accepted ? 'accepted' : 'rejected'}`);
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if (accepted) {
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// Reset to test other notify values
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socket.write('RSET\r\n');
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step = 'reset1';
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} else {
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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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dataBuffer = '';
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} else if (step === 'reset1' && dataBuffer.includes('250')) {
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step = 'mail2';
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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dataBuffer = '';
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} else if (step === 'mail2' && dataBuffer.includes('250')) {
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step = 'rcpt_never';
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// Test NOTIFY=NEVER
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socket.write('RCPT TO:<recipient@example.com> NOTIFY=NEVER\r\n');
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dataBuffer = '';
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} else if (step === 'rcpt_never') {
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const accepted = dataBuffer.includes('250');
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console.log(`NOTIFY=NEVER parameter ${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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await done.promise;
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});
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tap.test('RFC 3461 DSN - Complete DSN-enabled email', 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 step = 'greeting';
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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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if (step === 'greeting' && dataBuffer.includes('220 ')) {
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step = 'ehlo';
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socket.write('EHLO testclient\r\n');
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dataBuffer = '';
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} else if (step === 'ehlo' && dataBuffer.includes('250')) {
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step = 'mail';
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// Try with DSN parameters, fallback to regular if not supported
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socket.write('MAIL FROM:<sender@example.com> RET=FULL ENVID=test123\r\n');
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dataBuffer = '';
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} else if (step === 'mail') {
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if (dataBuffer.includes('250')) {
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step = 'rcpt';
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socket.write('RCPT TO:<recipient@example.com> NOTIFY=SUCCESS,FAILURE,DELAY\r\n');
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} else if (dataBuffer.includes('501') || dataBuffer.includes('555')) {
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// DSN not supported, try without parameters
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console.log('DSN parameters not supported, using plain MAIL FROM');
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step = 'mail_plain';
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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}
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dataBuffer = '';
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} else if (step === 'mail_plain' && dataBuffer.includes('250')) {
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step = 'rcpt';
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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dataBuffer = '';
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} else if (step === 'rcpt') {
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if (dataBuffer.includes('250')) {
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step = 'data';
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socket.write('DATA\r\n');
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} else if (dataBuffer.includes('501') || dataBuffer.includes('555')) {
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// DSN RCPT parameters not supported, try plain
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console.log('DSN RCPT parameters not supported, using plain RCPT TO');
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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step = 'rcpt_plain';
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}
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dataBuffer = '';
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} else if (step === 'rcpt_plain' && dataBuffer.includes('250')) {
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step = 'data';
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socket.write('DATA\r\n');
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dataBuffer = '';
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} else if (step === 'data' && dataBuffer.includes('354')) {
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const email = [
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`From: sender@example.com`,
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`To: recipient@example.com`,
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`Subject: RFC 3461 DSN Compliance Test`,
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`Date: ${new Date().toUTCString()}`,
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`Message-ID: <dsn-test-${Date.now()}@example.com>`,
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'',
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'This email tests RFC 3461 DSN (Delivery Status Notification) compliance.',
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'The server should handle DSN parameters according to RFC 3461.',
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'.',
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''
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].join('\r\n');
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socket.write(email);
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('Message accepted')) {
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console.log('DSN-enabled email accepted');
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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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await done.promise;
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});
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tap.test('RFC 3461 DSN - Invalid DSN parameter handling', 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 step = 'greeting';
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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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if (step === 'greeting' && dataBuffer.includes('220 ')) {
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step = 'ehlo';
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socket.write('EHLO testclient\r\n');
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dataBuffer = '';
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} else if (step === 'ehlo' && dataBuffer.includes('250')) {
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step = 'mail_invalid';
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// Test with invalid RET value
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socket.write('MAIL FROM:<sender@example.com> RET=INVALID\r\n');
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dataBuffer = '';
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} else if (step === 'mail_invalid') {
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// Should reject with 501 or similar
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const properlyRejected = dataBuffer.includes('501') ||
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dataBuffer.includes('555') ||
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dataBuffer.includes('500');
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if (properlyRejected) {
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console.log('Invalid RET parameter properly rejected');
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expect(true).toBeTrue();
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} else if (dataBuffer.includes('250')) {
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// Server ignores unknown parameters (also acceptable)
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console.log('Server ignores invalid DSN parameters');
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}
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// Reset and test invalid NOTIFY
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socket.write('RSET\r\n');
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step = 'reset';
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dataBuffer = '';
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} else if (step === 'reset' && dataBuffer.includes('250')) {
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step = 'mail2';
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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dataBuffer = '';
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} else if (step === 'mail2' && dataBuffer.includes('250')) {
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step = 'rcpt_invalid';
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// Test with invalid NOTIFY value
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socket.write('RCPT TO:<recipient@example.com> NOTIFY=INVALID\r\n');
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dataBuffer = '';
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} else if (step === 'rcpt_invalid') {
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const properlyRejected = dataBuffer.includes('501') ||
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dataBuffer.includes('555') ||
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dataBuffer.includes('500');
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if (properlyRejected) {
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console.log('Invalid NOTIFY parameter properly rejected');
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} else if (dataBuffer.includes('250')) {
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console.log('Server ignores invalid NOTIFY parameter');
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}
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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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await done.promise;
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});
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tap.test('cleanup - stop test server', async () => {
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await stopTestServer(testServer);
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});
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tap.start(); |