313 lines
8.8 KiB
TypeScript
313 lines
8.8 KiB
TypeScript
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import { tap, expect } from '@push.rocks/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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let testServer: any;
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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 5321 - Server greeting format', 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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socket.on('data', (data) => {
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const response = data.toString();
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console.log('Server greeting:', response);
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// RFC 5321: Server must provide proper 220 greeting
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const greeting = response.trim();
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const validGreeting = greeting.startsWith('220') && greeting.length > 10;
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expect(validGreeting).toBeTrue();
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expect(greeting).toMatch(/^220\s+\S+/); // Should have hostname after 220
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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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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 5321 - EHLO response format', 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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// RFC 5321: EHLO must return 250 with hostname and extensions
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const ehloLines = dataBuffer.split('\r\n').filter(line => line.startsWith('250'));
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expect(ehloLines.length).toBeGreaterThan(0);
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expect(ehloLines[0]).toMatch(/^250[\s-]\S+/); // First line should have hostname
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// Check for common extensions
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const extensions = ehloLines.slice(1).map(line => line.substring(4).trim());
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console.log('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 5321 - Command case insensitivity', 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_lowercase';
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// Test lowercase command
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socket.write('ehlo testclient\r\n');
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dataBuffer = '';
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} else if (step === 'ehlo_lowercase' && dataBuffer.includes('250')) {
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step = 'mail_mixed';
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// Test mixed case command
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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_mixed' && dataBuffer.includes('250')) {
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step = 'rcpt_uppercase';
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// Test uppercase command
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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_uppercase' && dataBuffer.includes('250')) {
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// All case variations worked
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console.log('All case variations 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 5321 - Line length limits', 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 = 'long_line';
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// RFC 5321: Command line limit is 512 chars including CRLF
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// Test with a long MAIL FROM command (but within limit)
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const longDomain = 'a'.repeat(400);
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socket.write(`MAIL FROM:<user@${longDomain}.com>\r\n`);
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dataBuffer = '';
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} else if (step === 'long_line') {
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// Should either accept (if within server limits) or reject gracefully
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const accepted = dataBuffer.includes('250');
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const rejected = dataBuffer.includes('501') || dataBuffer.includes('500');
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expect(accepted || rejected).toBeTrue();
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console.log(`Long line 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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await done.promise;
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});
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tap.test('RFC 5321 - Standard SMTP verb compliance', 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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const supportedVerbs: string[] = [];
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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 = 'help';
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// Try HELP command to see supported verbs
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socket.write('HELP\r\n');
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dataBuffer = '';
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} else if (step === 'help') {
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// Parse HELP response for supported commands
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if (dataBuffer.includes('214') || dataBuffer.includes('502')) {
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// Either help text or command not implemented
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step = 'test_noop';
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socket.write('NOOP\r\n');
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dataBuffer = '';
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}
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} else if (step === 'test_noop') {
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if (dataBuffer.includes('250')) {
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supportedVerbs.push('NOOP');
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}
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step = 'test_rset';
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socket.write('RSET\r\n');
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dataBuffer = '';
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} else if (step === 'test_rset') {
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if (dataBuffer.includes('250')) {
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supportedVerbs.push('RSET');
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}
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step = 'test_vrfy';
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socket.write('VRFY test@example.com\r\n');
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dataBuffer = '';
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} else if (step === 'test_vrfy') {
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// VRFY may be disabled for security (252 or 502)
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if (dataBuffer.includes('250') || dataBuffer.includes('252')) {
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supportedVerbs.push('VRFY');
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}
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// Check minimum required verbs
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const requiredVerbs = ['NOOP', 'RSET'];
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const hasRequired = requiredVerbs.every(verb =>
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supportedVerbs.includes(verb) || verb === 'VRFY' // VRFY is optional
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);
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console.log('Supported verbs:', supportedVerbs);
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expect(hasRequired).toBeTrue();
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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 5321 - Required minimum extensions', 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 ')) {
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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 for 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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// RFC 5321 recommends these extensions
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const recommendedExtensions = ['8BITMIME', 'SIZE', 'PIPELINING'];
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const hasRecommended = recommendedExtensions.filter(ext => extensions.includes(ext));
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console.log('Recommended extensions present:', hasRecommended);
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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();
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