316 lines
9.8 KiB
TypeScript
316 lines
9.8 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('Extremely Long Headers - should handle single extremely long header', 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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// Send EHLO
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socket.write('EHLO testclient\r\n');
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('EHLO')) {
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// Send MAIL FROM
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('sender accepted')) {
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// Send RCPT TO
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('recipient accepted')) {
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// Send DATA
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socket.write('DATA\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('354 ')) {
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// Send email with extremely long header
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const longValue = 'X'.repeat(3000);
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const emailContent = [
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`Subject: Test Email`,
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`From: sender@example.com`,
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`To: recipient@example.com`,
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`X-Long-Header: ${longValue}`,
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'',
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'This email has an extremely long header.',
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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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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('Message accepted') ||
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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(`Long header 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('Extremely Long Headers - should handle multi-line header with many segments', 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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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('EHLO')) {
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('sender accepted')) {
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('recipient accepted')) {
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socket.write('DATA\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('354 ')) {
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// Create multi-line header with 50 segments
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const segments = [];
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for (let i = 0; i < 50; i++) {
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segments.push(` Segment ${i}: ${' '.repeat(60)}value`);
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}
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const emailContent = [
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`Subject: Test Email`,
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`From: sender@example.com`,
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`To: recipient@example.com`,
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`X-Multi-Line: Initial value`,
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...segments,
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'',
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'This email has a multi-line header with many segments.',
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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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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('Message accepted') ||
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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(`Multi-line header 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('Extremely Long Headers - should handle multiple long headers in one 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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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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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('EHLO')) {
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('sender accepted')) {
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('recipient accepted')) {
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socket.write('DATA\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('354 ')) {
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// Create multiple long headers
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const header1 = 'A'.repeat(1000);
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const header2 = 'B'.repeat(1500);
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const header3 = 'C'.repeat(2000);
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const emailContent = [
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`Subject: Test Email with Multiple Long Headers`,
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`From: sender@example.com`,
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`To: recipient@example.com`,
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`X-Long-Header-1: ${header1}`,
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`X-Long-Header-2: ${header2}`,
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`X-Long-Header-3: ${header3}`,
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'',
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'This email has multiple long headers.',
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'.',
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''
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].join('\r\n');
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const totalHeaderSize = header1.length + header2.length + header3.length;
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console.log(`Total header size: ${totalHeaderSize} bytes`);
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socket.write(emailContent);
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('Message accepted') ||
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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(`Multiple long headers 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('Extremely Long Headers - should handle header with exactly RFC limit', 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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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('EHLO')) {
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socket.write('MAIL FROM:<sender@example.com>\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('sender accepted')) {
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socket.write('RCPT TO:<recipient@example.com>\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('recipient accepted')) {
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socket.write('DATA\r\n');
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dataBuffer = '';
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} else if (dataBuffer.includes('354 ')) {
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// Create header line exactly at RFC 5322 limit (998 chars excluding CRLF)
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// Header name and colon take some space
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const headerName = 'X-RFC-Limit';
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const colonSpace = ': ';
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const remainingSpace = 998 - headerName.length - colonSpace.length;
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const headerValue = 'X'.repeat(remainingSpace);
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const emailContent = [
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`Subject: Test Email`,
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`From: sender@example.com`,
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`To: recipient@example.com`,
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`${headerName}${colonSpace}${headerValue}`,
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'',
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'This email has a header at exactly the RFC limit.',
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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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dataBuffer = '';
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} else if (dataBuffer.includes('250 ') && dataBuffer.includes('Message accepted') ||
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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(`RFC limit header 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('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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