@push.rocks/smartproxy
Version:
A powerful proxy package that effectively handles high traffic, with features such as SSL/TLS support, port proxying, WebSocket handling, dynamic routing with authentication options, and automatic ACME certificate management.
354 lines • 30.3 kB
JavaScript
import * as plugins from '../plugins.js';
import * as fs from 'fs';
import * as path from 'path';
import { fileURLToPath } from 'url';
import { createLogger } from './classes.np.types.js';
import { Port80Handler, Port80HandlerEvents } from '../port80handler/classes.port80handler.js';
/**
* Manages SSL certificates for NetworkProxy including ACME integration
*/
export class CertificateManager {
constructor(options) {
this.options = options;
this.certificateCache = new Map();
this.port80Handler = null;
this.externalPort80Handler = false;
this.httpsServer = null;
this.certificateStoreDir = path.resolve(options.acme?.certificateStore || './certs');
this.logger = createLogger(options.logLevel || 'info');
// Ensure certificate store directory exists
try {
if (!fs.existsSync(this.certificateStoreDir)) {
fs.mkdirSync(this.certificateStoreDir, { recursive: true });
this.logger.info(`Created certificate store directory: ${this.certificateStoreDir}`);
}
}
catch (error) {
this.logger.warn(`Failed to create certificate store directory: ${error}`);
}
this.loadDefaultCertificates();
}
/**
* Loads default certificates from the filesystem
*/
loadDefaultCertificates() {
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const certPath = path.join(__dirname, '..', '..', 'assets', 'certs');
try {
this.defaultCertificates = {
key: fs.readFileSync(path.join(certPath, 'key.pem'), 'utf8'),
cert: fs.readFileSync(path.join(certPath, 'cert.pem'), 'utf8')
};
this.logger.info('Default certificates loaded successfully');
}
catch (error) {
this.logger.error('Error loading default certificates', error);
// Generate self-signed fallback certificates
try {
// This is a placeholder for actual certificate generation code
// In a real implementation, you would use a library like selfsigned to generate certs
this.defaultCertificates = {
key: "FALLBACK_KEY_CONTENT",
cert: "FALLBACK_CERT_CONTENT"
};
this.logger.warn('Using fallback self-signed certificates');
}
catch (fallbackError) {
this.logger.error('Failed to generate fallback certificates', fallbackError);
throw new Error('Could not load or generate SSL certificates');
}
}
}
/**
* Set the HTTPS server reference for context updates
*/
setHttpsServer(server) {
this.httpsServer = server;
}
/**
* Get default certificates
*/
getDefaultCertificates() {
return { ...this.defaultCertificates };
}
/**
* Sets an external Port80Handler for certificate management
*/
setExternalPort80Handler(handler) {
if (this.port80Handler && !this.externalPort80Handler) {
this.logger.warn('Replacing existing internal Port80Handler with external handler');
// Clean up existing handler if needed
if (this.port80Handler !== handler) {
// Unregister event handlers to avoid memory leaks
this.port80Handler.removeAllListeners(Port80HandlerEvents.CERTIFICATE_ISSUED);
this.port80Handler.removeAllListeners(Port80HandlerEvents.CERTIFICATE_RENEWED);
this.port80Handler.removeAllListeners(Port80HandlerEvents.CERTIFICATE_FAILED);
this.port80Handler.removeAllListeners(Port80HandlerEvents.CERTIFICATE_EXPIRING);
}
}
// Set the external handler
this.port80Handler = handler;
this.externalPort80Handler = true;
// Register event handlers
this.port80Handler.on(Port80HandlerEvents.CERTIFICATE_ISSUED, this.handleCertificateIssued.bind(this));
this.port80Handler.on(Port80HandlerEvents.CERTIFICATE_RENEWED, this.handleCertificateIssued.bind(this));
this.port80Handler.on(Port80HandlerEvents.CERTIFICATE_FAILED, this.handleCertificateFailed.bind(this));
this.port80Handler.on(Port80HandlerEvents.CERTIFICATE_EXPIRING, (data) => {
this.logger.info(`Certificate for ${data.domain} expires in ${data.daysRemaining} days`);
});
this.logger.info('External Port80Handler connected to CertificateManager');
// Register domains with Port80Handler if we have any certificates cached
if (this.certificateCache.size > 0) {
const domains = Array.from(this.certificateCache.keys())
.filter(domain => !domain.includes('*')); // Skip wildcard domains
this.registerDomainsWithPort80Handler(domains);
}
}
/**
* Handle newly issued or renewed certificates from Port80Handler
*/
handleCertificateIssued(data) {
const { domain, certificate, privateKey, expiryDate } = data;
this.logger.info(`Certificate ${this.certificateCache.has(domain) ? 'renewed' : 'issued'} for ${domain}, valid until ${expiryDate.toISOString()}`);
// Update certificate in HTTPS server
this.updateCertificateCache(domain, certificate, privateKey, expiryDate);
// Save the certificate to the filesystem if not using external handler
if (!this.externalPort80Handler && this.options.acme?.certificateStore) {
this.saveCertificateToStore(domain, certificate, privateKey);
}
}
/**
* Handle certificate issuance failures
*/
handleCertificateFailed(data) {
this.logger.error(`Certificate issuance failed for ${data.domain}: ${data.error}`);
}
/**
* Saves certificate and private key to the filesystem
*/
saveCertificateToStore(domain, certificate, privateKey) {
try {
const certPath = path.join(this.certificateStoreDir, `${domain}.cert.pem`);
const keyPath = path.join(this.certificateStoreDir, `${domain}.key.pem`);
fs.writeFileSync(certPath, certificate);
fs.writeFileSync(keyPath, privateKey);
// Ensure private key has restricted permissions
try {
fs.chmodSync(keyPath, 0o600);
}
catch (error) {
this.logger.warn(`Failed to set permissions on private key for ${domain}: ${error}`);
}
this.logger.info(`Saved certificate for ${domain} to ${certPath}`);
}
catch (error) {
this.logger.error(`Failed to save certificate for ${domain}: ${error}`);
}
}
/**
* Handles SNI (Server Name Indication) for TLS connections
* Used by the HTTPS server to select the correct certificate for each domain
*/
handleSNI(domain, cb) {
this.logger.debug(`SNI request for domain: ${domain}`);
// Check if we have a certificate for this domain
const certs = this.certificateCache.get(domain);
if (certs) {
try {
// Create TLS context with the cached certificate
const context = plugins.tls.createSecureContext({
key: certs.key,
cert: certs.cert
});
this.logger.debug(`Using cached certificate for ${domain}`);
cb(null, context);
return;
}
catch (err) {
this.logger.error(`Error creating secure context for ${domain}:`, err);
}
}
// Check if we should trigger certificate issuance
if (this.options.acme?.enabled && this.port80Handler && !domain.includes('*')) {
// Check if this domain is already registered
const certData = this.port80Handler.getCertificate(domain);
if (!certData) {
this.logger.info(`No certificate found for ${domain}, registering for issuance`);
// Register with new domain options format
const domainOptions = {
domainName: domain,
sslRedirect: true,
acmeMaintenance: true
};
this.port80Handler.addDomain(domainOptions);
}
}
// Fall back to default certificate
try {
const context = plugins.tls.createSecureContext({
key: this.defaultCertificates.key,
cert: this.defaultCertificates.cert
});
this.logger.debug(`Using default certificate for ${domain}`);
cb(null, context);
}
catch (err) {
this.logger.error(`Error creating default secure context:`, err);
cb(new Error('Cannot create secure context'), null);
}
}
/**
* Updates certificate in cache
*/
updateCertificateCache(domain, certificate, privateKey, expiryDate) {
// Update certificate context in HTTPS server if it's running
if (this.httpsServer) {
try {
this.httpsServer.addContext(domain, {
key: privateKey,
cert: certificate
});
this.logger.debug(`Updated SSL context for domain: ${domain}`);
}
catch (error) {
this.logger.error(`Error updating SSL context for domain ${domain}:`, error);
}
}
// Update certificate in cache
this.certificateCache.set(domain, {
key: privateKey,
cert: certificate,
expires: expiryDate
});
}
/**
* Gets a certificate for a domain
*/
getCertificate(domain) {
return this.certificateCache.get(domain);
}
/**
* Requests a new certificate for a domain
*/
async requestCertificate(domain) {
if (!this.options.acme?.enabled && !this.externalPort80Handler) {
this.logger.warn('ACME certificate management is not enabled');
return false;
}
if (!this.port80Handler) {
this.logger.error('Port80Handler is not initialized');
return false;
}
// Skip wildcard domains - can't get certs for these with HTTP-01 validation
if (domain.includes('*')) {
this.logger.error(`Cannot request certificate for wildcard domain: ${domain}`);
return false;
}
try {
// Use the new domain options format
const domainOptions = {
domainName: domain,
sslRedirect: true,
acmeMaintenance: true
};
this.port80Handler.addDomain(domainOptions);
this.logger.info(`Certificate request submitted for domain: ${domain}`);
return true;
}
catch (error) {
this.logger.error(`Error requesting certificate for domain ${domain}:`, error);
return false;
}
}
/**
* Registers domains with Port80Handler for ACME certificate management
*/
registerDomainsWithPort80Handler(domains) {
if (!this.port80Handler) {
this.logger.warn('Port80Handler is not initialized');
return;
}
for (const domain of domains) {
// Skip wildcard domains - can't get certs for these with HTTP-01 validation
if (domain.includes('*')) {
this.logger.info(`Skipping wildcard domain for ACME: ${domain}`);
continue;
}
// Skip domains already with certificates if configured to do so
if (this.options.acme?.skipConfiguredCerts) {
const cachedCert = this.certificateCache.get(domain);
if (cachedCert) {
this.logger.info(`Skipping domain with existing certificate: ${domain}`);
continue;
}
}
// Register the domain for certificate issuance with new domain options format
const domainOptions = {
domainName: domain,
sslRedirect: true,
acmeMaintenance: true
};
this.port80Handler.addDomain(domainOptions);
this.logger.info(`Registered domain for ACME certificate issuance: ${domain}`);
}
}
/**
* Initialize internal Port80Handler
*/
async initializePort80Handler() {
// Skip if using external handler
if (this.externalPort80Handler) {
this.logger.info('Using external Port80Handler, skipping initialization');
return this.port80Handler;
}
if (!this.options.acme?.enabled) {
return null;
}
// Create certificate manager
this.port80Handler = new Port80Handler({
port: this.options.acme.port,
contactEmail: this.options.acme.contactEmail,
useProduction: this.options.acme.useProduction,
renewThresholdDays: this.options.acme.renewThresholdDays,
httpsRedirectPort: this.options.port, // Redirect to our HTTPS port
renewCheckIntervalHours: 24, // Check daily for renewals
enabled: this.options.acme.enabled,
autoRenew: this.options.acme.autoRenew,
certificateStore: this.options.acme.certificateStore,
skipConfiguredCerts: this.options.acme.skipConfiguredCerts
});
// Register event handlers
this.port80Handler.on(Port80HandlerEvents.CERTIFICATE_ISSUED, this.handleCertificateIssued.bind(this));
this.port80Handler.on(Port80HandlerEvents.CERTIFICATE_RENEWED, this.handleCertificateIssued.bind(this));
this.port80Handler.on(Port80HandlerEvents.CERTIFICATE_FAILED, this.handleCertificateFailed.bind(this));
this.port80Handler.on(Port80HandlerEvents.CERTIFICATE_EXPIRING, (data) => {
this.logger.info(`Certificate for ${data.domain} expires in ${data.daysRemaining} days`);
});
// Start the handler
try {
await this.port80Handler.start();
this.logger.info(`Port80Handler started on port ${this.options.acme.port}`);
return this.port80Handler;
}
catch (error) {
this.logger.error(`Failed to start Port80Handler: ${error}`);
this.port80Handler = null;
return null;
}
}
/**
* Stop the Port80Handler if it was internally created
*/
async stopPort80Handler() {
if (this.port80Handler && !this.externalPort80Handler) {
try {
await this.port80Handler.stop();
this.logger.info('Port80Handler stopped');
}
catch (error) {
this.logger.error('Error stopping Port80Handler', error);
}
}
}
}
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