mirror of
https://github.com/czlonkowski/n8n-mcp.git
synced 2026-01-30 06:22:04 +00:00
130dd44ea5
- Updated n8n from 1.122.4 to 1.123.4 - Updated n8n-core from 1.121.1 to 1.122.1 - Updated n8n-workflow from 1.119.1 to 1.120.0 - Updated @n8n/n8n-nodes-langchain from 1.121.1 to 1.122.1 - Rebuilt node database with 545 nodes (439 from n8n-nodes-base, 106 from @n8n/n8n-nodes-langchain) - Updated README badge with new n8n version - Updated CHANGELOG with dependency changes Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: Romuald Członkowski <romualdczlonkowski@MacBook-Pro-Romuald.local> Co-authored-by: Claude <noreply@anthropic.com>
1180 lines
53 KiB
JavaScript
1180 lines
53 KiB
JavaScript
#!/usr/bin/env node
|
||
"use strict";
|
||
var __importDefault = (this && this.__importDefault) || function (mod) {
|
||
return (mod && mod.__esModule) ? mod : { "default": mod };
|
||
};
|
||
Object.defineProperty(exports, "__esModule", { value: true });
|
||
exports.SingleSessionHTTPServer = void 0;
|
||
const express_1 = __importDefault(require("express"));
|
||
const express_rate_limit_1 = __importDefault(require("express-rate-limit"));
|
||
const streamableHttp_js_1 = require("@modelcontextprotocol/sdk/server/streamableHttp.js");
|
||
const sse_js_1 = require("@modelcontextprotocol/sdk/server/sse.js");
|
||
const server_1 = require("./mcp/server");
|
||
const console_manager_1 = require("./utils/console-manager");
|
||
const logger_1 = require("./utils/logger");
|
||
const auth_1 = require("./utils/auth");
|
||
const fs_1 = require("fs");
|
||
const dotenv_1 = __importDefault(require("dotenv"));
|
||
const url_detector_1 = require("./utils/url-detector");
|
||
const version_1 = require("./utils/version");
|
||
const uuid_1 = require("uuid");
|
||
const crypto_1 = require("crypto");
|
||
const types_js_1 = require("@modelcontextprotocol/sdk/types.js");
|
||
const protocol_version_1 = require("./utils/protocol-version");
|
||
const instance_context_1 = require("./types/instance-context");
|
||
dotenv_1.default.config();
|
||
const DEFAULT_PROTOCOL_VERSION = protocol_version_1.STANDARD_PROTOCOL_VERSION;
|
||
const MAX_SESSIONS = Math.max(1, parseInt(process.env.N8N_MCP_MAX_SESSIONS || '100', 10));
|
||
const SESSION_CLEANUP_INTERVAL = 5 * 60 * 1000;
|
||
function extractMultiTenantHeaders(req) {
|
||
return {
|
||
'x-n8n-url': req.headers['x-n8n-url'],
|
||
'x-n8n-key': req.headers['x-n8n-key'],
|
||
'x-instance-id': req.headers['x-instance-id'],
|
||
'x-session-id': req.headers['x-session-id'],
|
||
};
|
||
}
|
||
function logSecurityEvent(event, details) {
|
||
const timestamp = new Date().toISOString();
|
||
const logEntry = {
|
||
timestamp,
|
||
event,
|
||
...details
|
||
};
|
||
logger_1.logger.info(`[SECURITY] ${event}`, logEntry);
|
||
}
|
||
class SingleSessionHTTPServer {
|
||
constructor() {
|
||
this.transports = {};
|
||
this.servers = {};
|
||
this.sessionMetadata = {};
|
||
this.sessionContexts = {};
|
||
this.contextSwitchLocks = new Map();
|
||
this.session = null;
|
||
this.consoleManager = new console_manager_1.ConsoleManager();
|
||
this.sessionTimeout = 30 * 60 * 1000;
|
||
this.authToken = null;
|
||
this.cleanupTimer = null;
|
||
this.validateEnvironment();
|
||
this.startSessionCleanup();
|
||
}
|
||
startSessionCleanup() {
|
||
this.cleanupTimer = setInterval(async () => {
|
||
try {
|
||
await this.cleanupExpiredSessions();
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.error('Error during session cleanup', error);
|
||
}
|
||
}, SESSION_CLEANUP_INTERVAL);
|
||
logger_1.logger.info('Session cleanup started', {
|
||
interval: SESSION_CLEANUP_INTERVAL / 1000 / 60,
|
||
maxSessions: MAX_SESSIONS,
|
||
sessionTimeout: this.sessionTimeout / 1000 / 60
|
||
});
|
||
}
|
||
cleanupExpiredSessions() {
|
||
const now = Date.now();
|
||
const expiredSessions = [];
|
||
for (const sessionId in this.sessionMetadata) {
|
||
const metadata = this.sessionMetadata[sessionId];
|
||
if (now - metadata.lastAccess.getTime() > this.sessionTimeout) {
|
||
expiredSessions.push(sessionId);
|
||
}
|
||
}
|
||
for (const sessionId in this.sessionContexts) {
|
||
if (!this.sessionMetadata[sessionId]) {
|
||
delete this.sessionContexts[sessionId];
|
||
logger_1.logger.debug('Cleaned orphaned session context', { sessionId });
|
||
}
|
||
}
|
||
for (const sessionId of expiredSessions) {
|
||
this.removeSession(sessionId, 'expired');
|
||
}
|
||
if (expiredSessions.length > 0) {
|
||
logger_1.logger.info('Cleaned up expired sessions', {
|
||
removed: expiredSessions.length,
|
||
remaining: this.getActiveSessionCount()
|
||
});
|
||
}
|
||
}
|
||
async removeSession(sessionId, reason) {
|
||
try {
|
||
const transport = this.transports[sessionId];
|
||
const server = this.servers[sessionId];
|
||
delete this.transports[sessionId];
|
||
delete this.servers[sessionId];
|
||
delete this.sessionMetadata[sessionId];
|
||
delete this.sessionContexts[sessionId];
|
||
if (server && typeof server.close === 'function') {
|
||
try {
|
||
await server.close();
|
||
}
|
||
catch (serverError) {
|
||
logger_1.logger.warn('Error closing server', { sessionId, error: serverError });
|
||
}
|
||
}
|
||
if (transport) {
|
||
await transport.close();
|
||
}
|
||
logger_1.logger.info('Session removed', { sessionId, reason });
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.warn('Error removing session', { sessionId, reason, error });
|
||
}
|
||
}
|
||
getActiveSessionCount() {
|
||
return Object.keys(this.transports).length;
|
||
}
|
||
canCreateSession() {
|
||
return this.getActiveSessionCount() < MAX_SESSIONS;
|
||
}
|
||
isValidSessionId(sessionId) {
|
||
return Boolean(sessionId && sessionId.length > 0);
|
||
}
|
||
sanitizeErrorForClient(error) {
|
||
const isProduction = process.env.NODE_ENV === 'production';
|
||
if (error instanceof Error) {
|
||
if (isProduction) {
|
||
if (error.message.includes('Unauthorized') || error.message.includes('authentication')) {
|
||
return { message: 'Authentication failed', code: 'AUTH_ERROR' };
|
||
}
|
||
if (error.message.includes('Session') || error.message.includes('session')) {
|
||
return { message: 'Session error', code: 'SESSION_ERROR' };
|
||
}
|
||
if (error.message.includes('Invalid') || error.message.includes('validation')) {
|
||
return { message: 'Validation error', code: 'VALIDATION_ERROR' };
|
||
}
|
||
return { message: 'Internal server error', code: 'INTERNAL_ERROR' };
|
||
}
|
||
return {
|
||
message: error.message.substring(0, 200),
|
||
code: error.name || 'ERROR'
|
||
};
|
||
}
|
||
return { message: 'An error occurred', code: 'UNKNOWN_ERROR' };
|
||
}
|
||
updateSessionAccess(sessionId) {
|
||
if (this.sessionMetadata[sessionId]) {
|
||
this.sessionMetadata[sessionId].lastAccess = new Date();
|
||
}
|
||
}
|
||
async switchSessionContext(sessionId, newContext) {
|
||
const existingLock = this.contextSwitchLocks.get(sessionId);
|
||
if (existingLock) {
|
||
await existingLock;
|
||
return;
|
||
}
|
||
const switchPromise = this.performContextSwitch(sessionId, newContext);
|
||
this.contextSwitchLocks.set(sessionId, switchPromise);
|
||
try {
|
||
await switchPromise;
|
||
}
|
||
finally {
|
||
this.contextSwitchLocks.delete(sessionId);
|
||
}
|
||
}
|
||
async performContextSwitch(sessionId, newContext) {
|
||
const existingContext = this.sessionContexts[sessionId];
|
||
if (JSON.stringify(existingContext) !== JSON.stringify(newContext)) {
|
||
logger_1.logger.info('Multi-tenant shared mode: Updating instance context for session', {
|
||
sessionId,
|
||
oldInstanceId: existingContext?.instanceId,
|
||
newInstanceId: newContext.instanceId
|
||
});
|
||
this.sessionContexts[sessionId] = newContext;
|
||
if (this.servers[sessionId]) {
|
||
this.servers[sessionId].instanceContext = newContext;
|
||
}
|
||
}
|
||
}
|
||
getSessionMetrics() {
|
||
const now = Date.now();
|
||
let expiredCount = 0;
|
||
for (const sessionId in this.sessionMetadata) {
|
||
const metadata = this.sessionMetadata[sessionId];
|
||
if (now - metadata.lastAccess.getTime() > this.sessionTimeout) {
|
||
expiredCount++;
|
||
}
|
||
}
|
||
return {
|
||
totalSessions: Object.keys(this.sessionMetadata).length,
|
||
activeSessions: this.getActiveSessionCount(),
|
||
expiredSessions: expiredCount,
|
||
lastCleanup: new Date()
|
||
};
|
||
}
|
||
loadAuthToken() {
|
||
if (process.env.AUTH_TOKEN) {
|
||
logger_1.logger.info('Using AUTH_TOKEN from environment variable');
|
||
return process.env.AUTH_TOKEN;
|
||
}
|
||
if (process.env.AUTH_TOKEN_FILE) {
|
||
try {
|
||
const token = (0, fs_1.readFileSync)(process.env.AUTH_TOKEN_FILE, 'utf-8').trim();
|
||
logger_1.logger.info(`Loaded AUTH_TOKEN from file: ${process.env.AUTH_TOKEN_FILE}`);
|
||
return token;
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.error(`Failed to read AUTH_TOKEN_FILE: ${process.env.AUTH_TOKEN_FILE}`, error);
|
||
console.error(`ERROR: Failed to read AUTH_TOKEN_FILE: ${process.env.AUTH_TOKEN_FILE}`);
|
||
console.error(error instanceof Error ? error.message : 'Unknown error');
|
||
return null;
|
||
}
|
||
}
|
||
return null;
|
||
}
|
||
validateEnvironment() {
|
||
this.authToken = this.loadAuthToken();
|
||
if (!this.authToken || this.authToken.trim() === '') {
|
||
const message = 'No authentication token found or token is empty. Set AUTH_TOKEN environment variable or AUTH_TOKEN_FILE pointing to a file containing the token.';
|
||
logger_1.logger.error(message);
|
||
throw new Error(message);
|
||
}
|
||
this.authToken = this.authToken.trim();
|
||
if (this.authToken.length < 32) {
|
||
logger_1.logger.warn('AUTH_TOKEN should be at least 32 characters for security');
|
||
}
|
||
const isDefaultToken = this.authToken === 'REPLACE_THIS_AUTH_TOKEN_32_CHARS_MIN_abcdefgh';
|
||
const isProduction = process.env.NODE_ENV === 'production';
|
||
if (isDefaultToken) {
|
||
if (isProduction) {
|
||
const message = 'CRITICAL SECURITY ERROR: Cannot start in production with default AUTH_TOKEN. Generate secure token: openssl rand -base64 32';
|
||
logger_1.logger.error(message);
|
||
console.error('\n🚨 CRITICAL SECURITY ERROR 🚨');
|
||
console.error(message);
|
||
console.error('Set NODE_ENV to development for testing, or update AUTH_TOKEN for production\n');
|
||
throw new Error(message);
|
||
}
|
||
logger_1.logger.warn('⚠️ SECURITY WARNING: Using default AUTH_TOKEN - CHANGE IMMEDIATELY!');
|
||
logger_1.logger.warn('Generate secure token with: openssl rand -base64 32');
|
||
if (process.env.MCP_MODE === 'http') {
|
||
console.warn('\n⚠️ SECURITY WARNING ⚠️');
|
||
console.warn('Using default AUTH_TOKEN - CHANGE IMMEDIATELY!');
|
||
console.warn('Generate secure token: openssl rand -base64 32');
|
||
console.warn('Update via Railway dashboard environment variables\n');
|
||
}
|
||
}
|
||
}
|
||
async handleRequest(req, res, instanceContext) {
|
||
const startTime = Date.now();
|
||
return this.consoleManager.wrapOperation(async () => {
|
||
try {
|
||
const sessionId = req.headers['mcp-session-id'];
|
||
const isInitialize = req.body ? (0, types_js_1.isInitializeRequest)(req.body) : false;
|
||
logger_1.logger.info('handleRequest: Processing MCP request - SDK PATTERN', {
|
||
requestId: req.get('x-request-id') || 'unknown',
|
||
sessionId: sessionId,
|
||
method: req.method,
|
||
url: req.url,
|
||
bodyType: typeof req.body,
|
||
bodyContent: req.body ? JSON.stringify(req.body, null, 2) : 'undefined',
|
||
existingTransports: Object.keys(this.transports),
|
||
isInitializeRequest: isInitialize
|
||
});
|
||
let transport;
|
||
if (isInitialize) {
|
||
if (!this.canCreateSession()) {
|
||
logger_1.logger.warn('handleRequest: Session limit reached', {
|
||
currentSessions: this.getActiveSessionCount(),
|
||
maxSessions: MAX_SESSIONS
|
||
});
|
||
res.status(429).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32000,
|
||
message: `Session limit reached (${MAX_SESSIONS}). Please wait for existing sessions to expire.`
|
||
},
|
||
id: req.body?.id || null
|
||
});
|
||
return;
|
||
}
|
||
logger_1.logger.info('handleRequest: Creating new transport for initialize request');
|
||
let sessionIdToUse;
|
||
const isMultiTenantEnabled = process.env.ENABLE_MULTI_TENANT === 'true';
|
||
const sessionStrategy = process.env.MULTI_TENANT_SESSION_STRATEGY || 'instance';
|
||
if (isMultiTenantEnabled && sessionStrategy === 'instance' && instanceContext?.instanceId) {
|
||
const configHash = (0, crypto_1.createHash)('sha256')
|
||
.update(JSON.stringify({
|
||
url: instanceContext.n8nApiUrl,
|
||
instanceId: instanceContext.instanceId
|
||
}))
|
||
.digest('hex')
|
||
.substring(0, 8);
|
||
sessionIdToUse = `instance-${instanceContext.instanceId}-${configHash}-${(0, uuid_1.v4)()}`;
|
||
logger_1.logger.info('Multi-tenant mode: Creating instance-specific session', {
|
||
instanceId: instanceContext.instanceId,
|
||
configHash,
|
||
sessionId: sessionIdToUse
|
||
});
|
||
}
|
||
else {
|
||
sessionIdToUse = sessionId || (0, uuid_1.v4)();
|
||
}
|
||
const server = new server_1.N8NDocumentationMCPServer(instanceContext);
|
||
transport = new streamableHttp_js_1.StreamableHTTPServerTransport({
|
||
sessionIdGenerator: () => sessionIdToUse,
|
||
onsessioninitialized: (initializedSessionId) => {
|
||
logger_1.logger.info('handleRequest: Session initialized, storing transport and server', {
|
||
sessionId: initializedSessionId
|
||
});
|
||
this.transports[initializedSessionId] = transport;
|
||
this.servers[initializedSessionId] = server;
|
||
this.sessionMetadata[initializedSessionId] = {
|
||
lastAccess: new Date(),
|
||
createdAt: new Date()
|
||
};
|
||
this.sessionContexts[initializedSessionId] = instanceContext;
|
||
}
|
||
});
|
||
transport.onclose = () => {
|
||
const sid = transport.sessionId;
|
||
if (sid) {
|
||
logger_1.logger.info('handleRequest: Transport closed, cleaning up', { sessionId: sid });
|
||
this.removeSession(sid, 'transport_closed');
|
||
}
|
||
};
|
||
transport.onerror = (error) => {
|
||
const sid = transport.sessionId;
|
||
logger_1.logger.error('Transport error', { sessionId: sid, error: error.message });
|
||
if (sid) {
|
||
this.removeSession(sid, 'transport_error').catch(err => {
|
||
logger_1.logger.error('Error during transport error cleanup', { error: err });
|
||
});
|
||
}
|
||
};
|
||
logger_1.logger.info('handleRequest: Connecting server to new transport');
|
||
await server.connect(transport);
|
||
}
|
||
else if (sessionId && this.transports[sessionId]) {
|
||
if (!this.isValidSessionId(sessionId)) {
|
||
logger_1.logger.warn('handleRequest: Invalid session ID format', { sessionId });
|
||
res.status(400).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32602,
|
||
message: 'Invalid session ID format'
|
||
},
|
||
id: req.body?.id || null
|
||
});
|
||
return;
|
||
}
|
||
logger_1.logger.info('handleRequest: Reusing existing transport for session', { sessionId });
|
||
transport = this.transports[sessionId];
|
||
const isMultiTenantEnabled = process.env.ENABLE_MULTI_TENANT === 'true';
|
||
const sessionStrategy = process.env.MULTI_TENANT_SESSION_STRATEGY || 'instance';
|
||
if (isMultiTenantEnabled && sessionStrategy === 'shared' && instanceContext) {
|
||
await this.switchSessionContext(sessionId, instanceContext);
|
||
}
|
||
this.updateSessionAccess(sessionId);
|
||
}
|
||
else {
|
||
const errorDetails = {
|
||
hasSessionId: !!sessionId,
|
||
isInitialize: isInitialize,
|
||
sessionIdValid: sessionId ? this.isValidSessionId(sessionId) : false,
|
||
sessionExists: sessionId ? !!this.transports[sessionId] : false
|
||
};
|
||
logger_1.logger.warn('handleRequest: Invalid request - no session ID and not initialize', errorDetails);
|
||
let errorMessage = 'Bad Request: No valid session ID provided and not an initialize request';
|
||
if (sessionId && !this.isValidSessionId(sessionId)) {
|
||
errorMessage = 'Bad Request: Invalid session ID format';
|
||
}
|
||
else if (sessionId && !this.transports[sessionId]) {
|
||
errorMessage = 'Bad Request: Session not found or expired';
|
||
}
|
||
res.status(400).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32000,
|
||
message: errorMessage
|
||
},
|
||
id: req.body?.id || null
|
||
});
|
||
return;
|
||
}
|
||
logger_1.logger.info('handleRequest: Handling request with transport', {
|
||
sessionId: isInitialize ? 'new' : sessionId,
|
||
isInitialize
|
||
});
|
||
await transport.handleRequest(req, res, req.body);
|
||
const duration = Date.now() - startTime;
|
||
logger_1.logger.info('MCP request completed', { duration, sessionId: transport.sessionId });
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.error('handleRequest: MCP request error:', {
|
||
error: error instanceof Error ? error.message : error,
|
||
errorName: error instanceof Error ? error.name : 'Unknown',
|
||
stack: error instanceof Error ? error.stack : undefined,
|
||
activeTransports: Object.keys(this.transports),
|
||
requestDetails: {
|
||
method: req.method,
|
||
url: req.url,
|
||
hasBody: !!req.body,
|
||
sessionId: req.headers['mcp-session-id']
|
||
},
|
||
duration: Date.now() - startTime
|
||
});
|
||
if (!res.headersSent) {
|
||
const sanitizedError = this.sanitizeErrorForClient(error);
|
||
res.status(500).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32603,
|
||
message: sanitizedError.message,
|
||
data: {
|
||
code: sanitizedError.code
|
||
}
|
||
},
|
||
id: req.body?.id || null
|
||
});
|
||
}
|
||
}
|
||
});
|
||
}
|
||
async resetSessionSSE(res) {
|
||
if (this.session) {
|
||
try {
|
||
logger_1.logger.info('Closing previous session for SSE', { sessionId: this.session.sessionId });
|
||
await this.session.transport.close();
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.warn('Error closing previous session:', error);
|
||
}
|
||
}
|
||
try {
|
||
logger_1.logger.info('Creating new N8NDocumentationMCPServer for SSE...');
|
||
const server = new server_1.N8NDocumentationMCPServer();
|
||
const sessionId = (0, uuid_1.v4)();
|
||
logger_1.logger.info('Creating SSEServerTransport...');
|
||
const transport = new sse_js_1.SSEServerTransport('/mcp', res);
|
||
logger_1.logger.info('Connecting server to SSE transport...');
|
||
await server.connect(transport);
|
||
this.session = {
|
||
server,
|
||
transport,
|
||
lastAccess: new Date(),
|
||
sessionId,
|
||
initialized: false,
|
||
isSSE: true
|
||
};
|
||
logger_1.logger.info('Created new SSE session successfully', { sessionId: this.session.sessionId });
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.error('Failed to create SSE session:', error);
|
||
throw error;
|
||
}
|
||
}
|
||
isExpired() {
|
||
if (!this.session)
|
||
return true;
|
||
return Date.now() - this.session.lastAccess.getTime() > this.sessionTimeout;
|
||
}
|
||
isSessionExpired(sessionId) {
|
||
const metadata = this.sessionMetadata[sessionId];
|
||
if (!metadata)
|
||
return true;
|
||
return Date.now() - metadata.lastAccess.getTime() > this.sessionTimeout;
|
||
}
|
||
async start() {
|
||
const app = (0, express_1.default)();
|
||
const jsonParser = express_1.default.json({ limit: '10mb' });
|
||
const trustProxy = process.env.TRUST_PROXY ? Number(process.env.TRUST_PROXY) : 0;
|
||
if (trustProxy > 0) {
|
||
app.set('trust proxy', trustProxy);
|
||
logger_1.logger.info(`Trust proxy enabled with ${trustProxy} hop(s)`);
|
||
}
|
||
app.use((req, res, next) => {
|
||
res.setHeader('X-Content-Type-Options', 'nosniff');
|
||
res.setHeader('X-Frame-Options', 'DENY');
|
||
res.setHeader('X-XSS-Protection', '1; mode=block');
|
||
res.setHeader('Strict-Transport-Security', 'max-age=31536000; includeSubDomains');
|
||
next();
|
||
});
|
||
app.use((req, res, next) => {
|
||
const allowedOrigin = process.env.CORS_ORIGIN || '*';
|
||
res.setHeader('Access-Control-Allow-Origin', allowedOrigin);
|
||
res.setHeader('Access-Control-Allow-Methods', 'POST, GET, DELETE, OPTIONS');
|
||
res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization, Accept, Mcp-Session-Id');
|
||
res.setHeader('Access-Control-Expose-Headers', 'Mcp-Session-Id');
|
||
res.setHeader('Access-Control-Max-Age', '86400');
|
||
if (req.method === 'OPTIONS') {
|
||
res.sendStatus(204);
|
||
return;
|
||
}
|
||
next();
|
||
});
|
||
app.use((req, res, next) => {
|
||
logger_1.logger.info(`${req.method} ${req.path}`, {
|
||
ip: req.ip,
|
||
userAgent: req.get('user-agent'),
|
||
contentLength: req.get('content-length')
|
||
});
|
||
next();
|
||
});
|
||
app.get('/', (req, res) => {
|
||
const port = parseInt(process.env.PORT || '3000');
|
||
const host = process.env.HOST || '0.0.0.0';
|
||
const baseUrl = (0, url_detector_1.detectBaseUrl)(req, host, port);
|
||
const endpoints = (0, url_detector_1.formatEndpointUrls)(baseUrl);
|
||
res.json({
|
||
name: 'n8n Documentation MCP Server',
|
||
version: version_1.PROJECT_VERSION,
|
||
description: 'Model Context Protocol server providing comprehensive n8n node documentation and workflow management',
|
||
endpoints: {
|
||
health: {
|
||
url: endpoints.health,
|
||
method: 'GET',
|
||
description: 'Health check and status information'
|
||
},
|
||
mcp: {
|
||
url: endpoints.mcp,
|
||
method: 'GET/POST',
|
||
description: 'MCP endpoint - GET for info, POST for JSON-RPC'
|
||
}
|
||
},
|
||
authentication: {
|
||
type: 'Bearer Token',
|
||
header: 'Authorization: Bearer <token>',
|
||
required_for: ['POST /mcp']
|
||
},
|
||
documentation: 'https://github.com/czlonkowski/n8n-mcp'
|
||
});
|
||
});
|
||
app.get('/health', (req, res) => {
|
||
const activeTransports = Object.keys(this.transports);
|
||
const activeServers = Object.keys(this.servers);
|
||
const sessionMetrics = this.getSessionMetrics();
|
||
const isProduction = process.env.NODE_ENV === 'production';
|
||
const isDefaultToken = this.authToken === 'REPLACE_THIS_AUTH_TOKEN_32_CHARS_MIN_abcdefgh';
|
||
res.json({
|
||
status: 'ok',
|
||
mode: 'sdk-pattern-transports',
|
||
version: version_1.PROJECT_VERSION,
|
||
environment: process.env.NODE_ENV || 'development',
|
||
uptime: Math.floor(process.uptime()),
|
||
sessions: {
|
||
active: sessionMetrics.activeSessions,
|
||
total: sessionMetrics.totalSessions,
|
||
expired: sessionMetrics.expiredSessions,
|
||
max: MAX_SESSIONS,
|
||
usage: `${sessionMetrics.activeSessions}/${MAX_SESSIONS}`,
|
||
sessionIds: activeTransports
|
||
},
|
||
security: {
|
||
production: isProduction,
|
||
defaultToken: isDefaultToken,
|
||
tokenLength: this.authToken?.length || 0
|
||
},
|
||
activeTransports: activeTransports.length,
|
||
activeServers: activeServers.length,
|
||
legacySessionActive: !!this.session,
|
||
memory: {
|
||
used: Math.round(process.memoryUsage().heapUsed / 1024 / 1024),
|
||
total: Math.round(process.memoryUsage().heapTotal / 1024 / 1024),
|
||
unit: 'MB'
|
||
},
|
||
timestamp: new Date().toISOString()
|
||
});
|
||
});
|
||
app.post('/mcp/test', jsonParser, async (req, res) => {
|
||
logger_1.logger.info('TEST ENDPOINT: Manual test request received', {
|
||
method: req.method,
|
||
headers: req.headers,
|
||
body: req.body,
|
||
bodyType: typeof req.body,
|
||
bodyContent: req.body ? JSON.stringify(req.body, null, 2) : 'undefined'
|
||
});
|
||
const negotiationResult = (0, protocol_version_1.negotiateProtocolVersion)(undefined, undefined, req.get('user-agent'), req.headers);
|
||
(0, protocol_version_1.logProtocolNegotiation)(negotiationResult, logger_1.logger, 'TEST_ENDPOINT');
|
||
const testResponse = {
|
||
jsonrpc: '2.0',
|
||
id: req.body?.id || 1,
|
||
result: {
|
||
protocolVersion: negotiationResult.version,
|
||
capabilities: {
|
||
tools: {}
|
||
},
|
||
serverInfo: {
|
||
name: 'n8n-mcp',
|
||
version: version_1.PROJECT_VERSION
|
||
}
|
||
}
|
||
};
|
||
logger_1.logger.info('TEST ENDPOINT: Sending test response', {
|
||
response: testResponse
|
||
});
|
||
res.json(testResponse);
|
||
});
|
||
app.get('/mcp', async (req, res) => {
|
||
const sessionId = req.headers['mcp-session-id'];
|
||
if (sessionId && this.transports[sessionId]) {
|
||
try {
|
||
await this.transports[sessionId].handleRequest(req, res, undefined);
|
||
return;
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.error('StreamableHTTP GET request failed:', error);
|
||
}
|
||
}
|
||
const accept = req.headers.accept;
|
||
if (accept && accept.includes('text/event-stream')) {
|
||
logger_1.logger.info('SSE stream request received - establishing SSE connection');
|
||
try {
|
||
await this.resetSessionSSE(res);
|
||
logger_1.logger.info('SSE connection established successfully');
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.error('Failed to establish SSE connection:', error);
|
||
res.status(500).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32603,
|
||
message: 'Failed to establish SSE connection'
|
||
},
|
||
id: null
|
||
});
|
||
}
|
||
return;
|
||
}
|
||
if (process.env.N8N_MODE === 'true') {
|
||
const negotiationResult = (0, protocol_version_1.negotiateProtocolVersion)(undefined, undefined, req.get('user-agent'), req.headers);
|
||
(0, protocol_version_1.logProtocolNegotiation)(negotiationResult, logger_1.logger, 'N8N_MODE_GET');
|
||
res.json({
|
||
protocolVersion: negotiationResult.version,
|
||
serverInfo: {
|
||
name: 'n8n-mcp',
|
||
version: version_1.PROJECT_VERSION,
|
||
capabilities: {
|
||
tools: {}
|
||
}
|
||
}
|
||
});
|
||
return;
|
||
}
|
||
res.json({
|
||
description: 'n8n Documentation MCP Server',
|
||
version: version_1.PROJECT_VERSION,
|
||
endpoints: {
|
||
mcp: {
|
||
method: 'POST',
|
||
path: '/mcp',
|
||
description: 'Main MCP JSON-RPC endpoint',
|
||
authentication: 'Bearer token required'
|
||
},
|
||
health: {
|
||
method: 'GET',
|
||
path: '/health',
|
||
description: 'Health check endpoint',
|
||
authentication: 'None'
|
||
},
|
||
root: {
|
||
method: 'GET',
|
||
path: '/',
|
||
description: 'API information',
|
||
authentication: 'None'
|
||
}
|
||
},
|
||
documentation: 'https://github.com/czlonkowski/n8n-mcp'
|
||
});
|
||
});
|
||
app.delete('/mcp', async (req, res) => {
|
||
const mcpSessionId = req.headers['mcp-session-id'];
|
||
if (!mcpSessionId) {
|
||
res.status(400).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32602,
|
||
message: 'Mcp-Session-Id header is required'
|
||
},
|
||
id: null
|
||
});
|
||
return;
|
||
}
|
||
if (!this.isValidSessionId(mcpSessionId)) {
|
||
res.status(400).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32602,
|
||
message: 'Invalid session ID format'
|
||
},
|
||
id: null
|
||
});
|
||
return;
|
||
}
|
||
if (this.transports[mcpSessionId]) {
|
||
logger_1.logger.info('Terminating session via DELETE request', { sessionId: mcpSessionId });
|
||
try {
|
||
await this.removeSession(mcpSessionId, 'manual_termination');
|
||
res.status(204).send();
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.error('Error terminating session:', error);
|
||
res.status(500).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32603,
|
||
message: 'Error terminating session'
|
||
},
|
||
id: null
|
||
});
|
||
}
|
||
}
|
||
else {
|
||
res.status(404).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32001,
|
||
message: 'Session not found'
|
||
},
|
||
id: null
|
||
});
|
||
}
|
||
});
|
||
const authLimiter = (0, express_rate_limit_1.default)({
|
||
windowMs: parseInt(process.env.AUTH_RATE_LIMIT_WINDOW || '900000'),
|
||
max: parseInt(process.env.AUTH_RATE_LIMIT_MAX || '20'),
|
||
message: {
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32000,
|
||
message: 'Too many authentication attempts. Please try again later.'
|
||
},
|
||
id: null
|
||
},
|
||
standardHeaders: true,
|
||
legacyHeaders: false,
|
||
handler: (req, res) => {
|
||
logger_1.logger.warn('Rate limit exceeded', {
|
||
ip: req.ip,
|
||
userAgent: req.get('user-agent'),
|
||
event: 'rate_limit'
|
||
});
|
||
res.status(429).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32000,
|
||
message: 'Too many authentication attempts'
|
||
},
|
||
id: null
|
||
});
|
||
}
|
||
});
|
||
app.post('/mcp', authLimiter, jsonParser, async (req, res) => {
|
||
logger_1.logger.info('POST /mcp request received - DETAILED DEBUG', {
|
||
headers: req.headers,
|
||
readable: req.readable,
|
||
readableEnded: req.readableEnded,
|
||
complete: req.complete,
|
||
bodyType: typeof req.body,
|
||
bodyContent: req.body ? JSON.stringify(req.body, null, 2) : 'undefined',
|
||
contentLength: req.get('content-length'),
|
||
contentType: req.get('content-type'),
|
||
userAgent: req.get('user-agent'),
|
||
ip: req.ip,
|
||
method: req.method,
|
||
url: req.url,
|
||
originalUrl: req.originalUrl
|
||
});
|
||
const sessionId = req.headers['mcp-session-id'];
|
||
if (typeof req.on === 'function') {
|
||
const closeHandler = () => {
|
||
if (!res.headersSent && sessionId) {
|
||
logger_1.logger.info('Connection closed before response sent', { sessionId });
|
||
setImmediate(() => {
|
||
if (this.sessionMetadata[sessionId]) {
|
||
const metadata = this.sessionMetadata[sessionId];
|
||
const timeSinceAccess = Date.now() - metadata.lastAccess.getTime();
|
||
if (timeSinceAccess > 60000) {
|
||
this.removeSession(sessionId, 'connection_closed').catch(err => {
|
||
logger_1.logger.error('Error during connection close cleanup', { error: err });
|
||
});
|
||
}
|
||
}
|
||
});
|
||
}
|
||
};
|
||
req.on('close', closeHandler);
|
||
res.on('finish', () => {
|
||
req.removeListener('close', closeHandler);
|
||
});
|
||
}
|
||
const authHeader = req.headers.authorization;
|
||
if (!authHeader) {
|
||
logger_1.logger.warn('Authentication failed: Missing Authorization header', {
|
||
ip: req.ip,
|
||
userAgent: req.get('user-agent'),
|
||
reason: 'no_auth_header'
|
||
});
|
||
res.status(401).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32001,
|
||
message: 'Unauthorized'
|
||
},
|
||
id: null
|
||
});
|
||
return;
|
||
}
|
||
if (!authHeader.startsWith('Bearer ')) {
|
||
logger_1.logger.warn('Authentication failed: Invalid Authorization header format (expected Bearer token)', {
|
||
ip: req.ip,
|
||
userAgent: req.get('user-agent'),
|
||
reason: 'invalid_auth_format',
|
||
headerPrefix: authHeader.substring(0, Math.min(authHeader.length, 10)) + '...'
|
||
});
|
||
res.status(401).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32001,
|
||
message: 'Unauthorized'
|
||
},
|
||
id: null
|
||
});
|
||
return;
|
||
}
|
||
const token = authHeader.slice(7).trim();
|
||
const isValidToken = this.authToken &&
|
||
auth_1.AuthManager.timingSafeCompare(token, this.authToken);
|
||
if (!isValidToken) {
|
||
logger_1.logger.warn('Authentication failed: Invalid token', {
|
||
ip: req.ip,
|
||
userAgent: req.get('user-agent'),
|
||
reason: 'invalid_token'
|
||
});
|
||
res.status(401).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32001,
|
||
message: 'Unauthorized'
|
||
},
|
||
id: null
|
||
});
|
||
return;
|
||
}
|
||
logger_1.logger.info('Authentication successful - proceeding to handleRequest', {
|
||
hasSession: !!this.session,
|
||
sessionType: this.session?.isSSE ? 'SSE' : 'StreamableHTTP',
|
||
sessionInitialized: this.session?.initialized
|
||
});
|
||
const instanceContext = (() => {
|
||
const headers = extractMultiTenantHeaders(req);
|
||
const hasUrl = headers['x-n8n-url'];
|
||
const hasKey = headers['x-n8n-key'];
|
||
if (!hasUrl && !hasKey)
|
||
return undefined;
|
||
const context = {
|
||
n8nApiUrl: hasUrl || undefined,
|
||
n8nApiKey: hasKey || undefined,
|
||
instanceId: headers['x-instance-id'] || undefined,
|
||
sessionId: headers['x-session-id'] || undefined
|
||
};
|
||
if (req.headers['user-agent'] || req.ip) {
|
||
context.metadata = {
|
||
userAgent: req.headers['user-agent'],
|
||
ip: req.ip
|
||
};
|
||
}
|
||
const validation = (0, instance_context_1.validateInstanceContext)(context);
|
||
if (!validation.valid) {
|
||
logger_1.logger.warn('Invalid instance context from headers', {
|
||
errors: validation.errors,
|
||
hasUrl: !!hasUrl,
|
||
hasKey: !!hasKey
|
||
});
|
||
return undefined;
|
||
}
|
||
return context;
|
||
})();
|
||
if (instanceContext) {
|
||
logger_1.logger.debug('Instance context extracted from headers', {
|
||
hasUrl: !!instanceContext.n8nApiUrl,
|
||
hasKey: !!instanceContext.n8nApiKey,
|
||
instanceId: instanceContext.instanceId ? instanceContext.instanceId.substring(0, 8) + '...' : undefined,
|
||
sessionId: instanceContext.sessionId ? instanceContext.sessionId.substring(0, 8) + '...' : undefined,
|
||
urlDomain: instanceContext.n8nApiUrl ? new URL(instanceContext.n8nApiUrl).hostname : undefined
|
||
});
|
||
}
|
||
await this.handleRequest(req, res, instanceContext);
|
||
logger_1.logger.info('POST /mcp request completed - checking response status', {
|
||
responseHeadersSent: res.headersSent,
|
||
responseStatusCode: res.statusCode,
|
||
responseFinished: res.finished
|
||
});
|
||
});
|
||
app.use((req, res) => {
|
||
res.status(404).json({
|
||
error: 'Not found',
|
||
message: `Cannot ${req.method} ${req.path}`
|
||
});
|
||
});
|
||
app.use((err, req, res, next) => {
|
||
logger_1.logger.error('Express error handler:', err);
|
||
if (!res.headersSent) {
|
||
res.status(500).json({
|
||
jsonrpc: '2.0',
|
||
error: {
|
||
code: -32603,
|
||
message: 'Internal server error',
|
||
data: process.env.NODE_ENV === 'development' ? err.message : undefined
|
||
},
|
||
id: null
|
||
});
|
||
}
|
||
});
|
||
const port = parseInt(process.env.PORT || '3000');
|
||
const host = process.env.HOST || '0.0.0.0';
|
||
this.expressServer = app.listen(port, host, () => {
|
||
const isProduction = process.env.NODE_ENV === 'production';
|
||
const isDefaultToken = this.authToken === 'REPLACE_THIS_AUTH_TOKEN_32_CHARS_MIN_abcdefgh';
|
||
logger_1.logger.info(`n8n MCP Single-Session HTTP Server started`, {
|
||
port,
|
||
host,
|
||
environment: process.env.NODE_ENV || 'development',
|
||
maxSessions: MAX_SESSIONS,
|
||
sessionTimeout: this.sessionTimeout / 1000 / 60,
|
||
production: isProduction,
|
||
defaultToken: isDefaultToken
|
||
});
|
||
const baseUrl = (0, url_detector_1.getStartupBaseUrl)(host, port);
|
||
const endpoints = (0, url_detector_1.formatEndpointUrls)(baseUrl);
|
||
console.log(`n8n MCP Single-Session HTTP Server running on ${host}:${port}`);
|
||
console.log(`Environment: ${process.env.NODE_ENV || 'development'}`);
|
||
console.log(`Session Limits: ${MAX_SESSIONS} max sessions, ${this.sessionTimeout / 1000 / 60}min timeout`);
|
||
console.log(`Health check: ${endpoints.health}`);
|
||
console.log(`MCP endpoint: ${endpoints.mcp}`);
|
||
if (isProduction) {
|
||
console.log('🔒 Running in PRODUCTION mode - enhanced security enabled');
|
||
}
|
||
else {
|
||
console.log('🛠️ Running in DEVELOPMENT mode');
|
||
}
|
||
console.log('\nPress Ctrl+C to stop the server');
|
||
if (isDefaultToken && !isProduction) {
|
||
setInterval(() => {
|
||
logger_1.logger.warn('⚠️ Still using default AUTH_TOKEN - security risk!');
|
||
if (process.env.MCP_MODE === 'http') {
|
||
console.warn('⚠️ REMINDER: Still using default AUTH_TOKEN - please change it!');
|
||
}
|
||
}, 300000);
|
||
}
|
||
if (process.env.BASE_URL || process.env.PUBLIC_URL) {
|
||
console.log(`\nPublic URL configured: ${baseUrl}`);
|
||
}
|
||
else if (process.env.TRUST_PROXY && Number(process.env.TRUST_PROXY) > 0) {
|
||
console.log(`\nNote: TRUST_PROXY is enabled. URLs will be auto-detected from proxy headers.`);
|
||
}
|
||
});
|
||
this.expressServer.on('error', (error) => {
|
||
if (error.code === 'EADDRINUSE') {
|
||
logger_1.logger.error(`Port ${port} is already in use`);
|
||
console.error(`ERROR: Port ${port} is already in use`);
|
||
process.exit(1);
|
||
}
|
||
else {
|
||
logger_1.logger.error('Server error:', error);
|
||
console.error('Server error:', error);
|
||
process.exit(1);
|
||
}
|
||
});
|
||
}
|
||
async shutdown() {
|
||
logger_1.logger.info('Shutting down Single-Session HTTP server...');
|
||
if (this.cleanupTimer) {
|
||
clearInterval(this.cleanupTimer);
|
||
this.cleanupTimer = null;
|
||
logger_1.logger.info('Session cleanup timer stopped');
|
||
}
|
||
const sessionIds = Object.keys(this.transports);
|
||
logger_1.logger.info(`Closing ${sessionIds.length} active sessions`);
|
||
for (const sessionId of sessionIds) {
|
||
try {
|
||
logger_1.logger.info(`Closing transport for session ${sessionId}`);
|
||
await this.removeSession(sessionId, 'server_shutdown');
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.warn(`Error closing transport for session ${sessionId}:`, error);
|
||
}
|
||
}
|
||
if (this.session) {
|
||
try {
|
||
await this.session.transport.close();
|
||
logger_1.logger.info('Legacy session closed');
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.warn('Error closing legacy session:', error);
|
||
}
|
||
this.session = null;
|
||
}
|
||
if (this.expressServer) {
|
||
await new Promise((resolve) => {
|
||
this.expressServer.close(() => {
|
||
logger_1.logger.info('HTTP server closed');
|
||
resolve();
|
||
});
|
||
});
|
||
}
|
||
logger_1.logger.info('Single-Session HTTP server shutdown completed');
|
||
}
|
||
getSessionInfo() {
|
||
const metrics = this.getSessionMetrics();
|
||
if (!this.session) {
|
||
return {
|
||
active: false,
|
||
sessions: {
|
||
total: metrics.totalSessions,
|
||
active: metrics.activeSessions,
|
||
expired: metrics.expiredSessions,
|
||
max: MAX_SESSIONS,
|
||
sessionIds: Object.keys(this.transports)
|
||
}
|
||
};
|
||
}
|
||
return {
|
||
active: true,
|
||
sessionId: this.session.sessionId,
|
||
age: Date.now() - this.session.lastAccess.getTime(),
|
||
sessions: {
|
||
total: metrics.totalSessions,
|
||
active: metrics.activeSessions,
|
||
expired: metrics.expiredSessions,
|
||
max: MAX_SESSIONS,
|
||
sessionIds: Object.keys(this.transports)
|
||
}
|
||
};
|
||
}
|
||
exportSessionState() {
|
||
const sessions = [];
|
||
const seenSessionIds = new Set();
|
||
for (const sessionId of Object.keys(this.sessionMetadata)) {
|
||
if (seenSessionIds.has(sessionId)) {
|
||
logger_1.logger.warn(`Duplicate sessionId detected during export: ${sessionId}`);
|
||
continue;
|
||
}
|
||
if (this.isSessionExpired(sessionId)) {
|
||
continue;
|
||
}
|
||
const metadata = this.sessionMetadata[sessionId];
|
||
const context = this.sessionContexts[sessionId];
|
||
if (!context || !context.n8nApiUrl || !context.n8nApiKey) {
|
||
logger_1.logger.debug(`Skipping session ${sessionId} - missing required context`);
|
||
continue;
|
||
}
|
||
seenSessionIds.add(sessionId);
|
||
sessions.push({
|
||
sessionId,
|
||
metadata: {
|
||
createdAt: metadata.createdAt.toISOString(),
|
||
lastAccess: metadata.lastAccess.toISOString()
|
||
},
|
||
context: {
|
||
n8nApiUrl: context.n8nApiUrl,
|
||
n8nApiKey: context.n8nApiKey,
|
||
instanceId: context.instanceId || sessionId,
|
||
sessionId: context.sessionId,
|
||
metadata: context.metadata
|
||
}
|
||
});
|
||
}
|
||
logger_1.logger.info(`Exported ${sessions.length} session(s) for persistence`);
|
||
logSecurityEvent('session_export', { count: sessions.length });
|
||
return sessions;
|
||
}
|
||
restoreSessionState(sessions) {
|
||
let restoredCount = 0;
|
||
for (const sessionState of sessions) {
|
||
try {
|
||
if (!sessionState || typeof sessionState !== 'object' || !sessionState.sessionId) {
|
||
logger_1.logger.warn('Skipping invalid session state object');
|
||
continue;
|
||
}
|
||
if (Object.keys(this.sessionMetadata).length >= MAX_SESSIONS) {
|
||
logger_1.logger.warn(`Reached MAX_SESSIONS limit (${MAX_SESSIONS}), skipping remaining sessions`);
|
||
logSecurityEvent('max_sessions_reached', { count: MAX_SESSIONS });
|
||
break;
|
||
}
|
||
if (this.sessionMetadata[sessionState.sessionId]) {
|
||
logger_1.logger.debug(`Skipping session ${sessionState.sessionId} - already exists`);
|
||
continue;
|
||
}
|
||
const createdAt = new Date(sessionState.metadata.createdAt);
|
||
const lastAccess = new Date(sessionState.metadata.lastAccess);
|
||
if (isNaN(createdAt.getTime()) || isNaN(lastAccess.getTime())) {
|
||
logger_1.logger.warn(`Skipping session ${sessionState.sessionId} - invalid date format`);
|
||
continue;
|
||
}
|
||
const age = Date.now() - lastAccess.getTime();
|
||
if (age > this.sessionTimeout) {
|
||
logger_1.logger.debug(`Skipping session ${sessionState.sessionId} - expired (age: ${Math.round(age / 1000)}s)`);
|
||
continue;
|
||
}
|
||
if (!sessionState.context) {
|
||
logger_1.logger.warn(`Skipping session ${sessionState.sessionId} - missing context`);
|
||
continue;
|
||
}
|
||
const validation = (0, instance_context_1.validateInstanceContext)(sessionState.context);
|
||
if (!validation.valid) {
|
||
const reason = validation.errors?.join(', ') || 'invalid context';
|
||
logger_1.logger.warn(`Skipping session ${sessionState.sessionId} - invalid context: ${reason}`);
|
||
logSecurityEvent('session_restore_failed', {
|
||
sessionId: sessionState.sessionId,
|
||
reason
|
||
});
|
||
continue;
|
||
}
|
||
this.sessionMetadata[sessionState.sessionId] = {
|
||
createdAt,
|
||
lastAccess
|
||
};
|
||
this.sessionContexts[sessionState.sessionId] = {
|
||
n8nApiUrl: sessionState.context.n8nApiUrl,
|
||
n8nApiKey: sessionState.context.n8nApiKey,
|
||
instanceId: sessionState.context.instanceId,
|
||
sessionId: sessionState.context.sessionId,
|
||
metadata: sessionState.context.metadata
|
||
};
|
||
logger_1.logger.debug(`Restored session ${sessionState.sessionId}`);
|
||
logSecurityEvent('session_restore', {
|
||
sessionId: sessionState.sessionId,
|
||
instanceId: sessionState.context.instanceId
|
||
});
|
||
restoredCount++;
|
||
}
|
||
catch (error) {
|
||
logger_1.logger.error(`Failed to restore session ${sessionState.sessionId}:`, error);
|
||
logSecurityEvent('session_restore_failed', {
|
||
sessionId: sessionState.sessionId,
|
||
reason: error instanceof Error ? error.message : 'unknown error'
|
||
});
|
||
}
|
||
}
|
||
logger_1.logger.info(`Restored ${restoredCount}/${sessions.length} session(s) from persistence`);
|
||
return restoredCount;
|
||
}
|
||
}
|
||
exports.SingleSessionHTTPServer = SingleSessionHTTPServer;
|
||
if (require.main === module) {
|
||
const server = new SingleSessionHTTPServer();
|
||
const shutdown = async () => {
|
||
await server.shutdown();
|
||
process.exit(0);
|
||
};
|
||
process.on('SIGTERM', shutdown);
|
||
process.on('SIGINT', shutdown);
|
||
process.on('uncaughtException', (error) => {
|
||
logger_1.logger.error('Uncaught exception:', error);
|
||
console.error('Uncaught exception:', error);
|
||
shutdown();
|
||
});
|
||
process.on('unhandledRejection', (reason, promise) => {
|
||
logger_1.logger.error('Unhandled rejection:', reason);
|
||
console.error('Unhandled rejection at:', promise, 'reason:', reason);
|
||
shutdown();
|
||
});
|
||
server.start().catch(error => {
|
||
logger_1.logger.error('Failed to start Single-Session HTTP server:', error);
|
||
console.error('Failed to start Single-Session HTTP server:', error);
|
||
process.exit(1);
|
||
});
|
||
}
|
||
//# sourceMappingURL=http-server-single-session.js.map
|