feat(AcmeCertManager): Introduce AcmeCertManager for enhanced ACME certificate management

changelog.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 2025-03-06 - 3.27.0 - feat(AcmeCertManager)
+Introduce AcmeCertManager for enhanced ACME certificate management
+
+- Refactored the existing Port80Handler to AcmeCertManager.
+- Added event-driven certificate management with CertManagerEvents.
+- Introduced options for configuration such as renew thresholds and production mode.
+- Implemented certificate renewal checks and logging improvements.
+
 ## 2025-03-05 - 3.26.0 - feat(readme)
 Updated README with enhanced TLS handling, connection management, and troubleshooting sections.
 

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartproxy',
-  version: '3.26.0',
+  version: '3.27.0',
   description: 'A powerful proxy package that effectively handles high traffic, with features such as SSL/TLS support, port proxying, WebSocket handling, and dynamic routing with authentication options.'
 }

ts/classes.port80handler.ts

@@ -1,6 +1,8 @@
-import * as http from 'http';
+import * as plugins from './plugins.js';
-import * as acme from 'acme-client';
 
+/**
+ * Represents a domain certificate with various status information
+ */
 interface IDomainCertificate {
   certObtained: boolean;
   obtainingInProgress: boolean;
@@ -8,27 +10,147 @@ interface IDomainCertificate {
   privateKey?: string;
   challengeToken?: string;
   challengeKeyAuthorization?: string;
+  expiryDate?: Date;
+  lastRenewalAttempt?: Date;
 }
 
-export class Port80Handler {
+/**
+ * Configuration options for the ACME Certificate Manager
+ */
+interface IAcmeCertManagerOptions {
+  port?: number;
+  contactEmail?: string;
+  useProduction?: boolean;
+  renewThresholdDays?: number;
+  httpsRedirectPort?: number;
+  renewCheckIntervalHours?: number;
+}
+
+/**
+ * Certificate data that can be emitted via events or set from outside
+ */
+interface ICertificateData {
+  domain: string;
+  certificate: string;
+  privateKey: string;
+  expiryDate: Date;
+}
+
+/**
+ * Events emitted by the ACME Certificate Manager
+ */
+export enum CertManagerEvents {
+  CERTIFICATE_ISSUED = 'certificate-issued',
+  CERTIFICATE_RENEWED = 'certificate-renewed',
+  CERTIFICATE_FAILED = 'certificate-failed',
+  CERTIFICATE_EXPIRING = 'certificate-expiring',
+  MANAGER_STARTED = 'manager-started',
+  MANAGER_STOPPED = 'manager-stopped',
+}
+
+/**
+ * Improved ACME Certificate Manager with event emission and external certificate management
+ */
+export class AcmeCertManager extends plugins.EventEmitter {
   private domainCertificates: Map<string, IDomainCertificate>;
-  private server: http.Server;
+  private server: plugins.http.Server | null = null;
-  private acmeClient: acme.Client | null = null;
+  private acmeClient: plugins.acme.Client | null = null;
   private accountKey: string | null = null;
+  private renewalTimer: NodeJS.Timeout | null = null;
+  private isShuttingDown: boolean = false;
+  private options: Required<IAcmeCertManagerOptions>;
 
-  constructor() {
+  /**
+   * Creates a new ACME Certificate Manager
+   * @param options Configuration options
+   */
+  constructor(options: IAcmeCertManagerOptions = {}) {
+    super();
     this.domainCertificates = new Map<string, IDomainCertificate>();
+    
+    // Default options
+    this.options = {
+      port: options.port ?? 80,
+      contactEmail: options.contactEmail ?? 'admin@example.com',
+      useProduction: options.useProduction ?? false, // Safer default: staging
+      renewThresholdDays: options.renewThresholdDays ?? 30,
+      httpsRedirectPort: options.httpsRedirectPort ?? 443,
+      renewCheckIntervalHours: options.renewCheckIntervalHours ?? 24,
+    };
+  }
 
-    // Create and start an HTTP server on port 80.
+  /**
-    this.server = http.createServer((req, res) => this.handleRequest(req, res));
+   * Starts the HTTP server for ACME challenges
-    this.server.listen(80, () => {
+   */
-      console.log('Port80Handler is listening on port 80');
+  public async start(): Promise<void> {
+    if (this.server) {
+      throw new Error('Server is already running');
+    }
+    
+    if (this.isShuttingDown) {
+      throw new Error('Server is shutting down');
+    }
+
+    return new Promise((resolve, reject) => {
+      try {
+        this.server = plugins.http.createServer((req, res) => this.handleRequest(req, res));
+        
+        this.server.on('error', (error: NodeJS.ErrnoException) => {
+          if (error.code === 'EACCES') {
+            reject(new Error(`Permission denied to bind to port ${this.options.port}. Try running with elevated privileges or use a port > 1024.`));
+          } else if (error.code === 'EADDRINUSE') {
+            reject(new Error(`Port ${this.options.port} is already in use.`));
+          } else {
+            reject(error);
+          }
+        });
+        
+        this.server.listen(this.options.port, () => {
+          console.log(`AcmeCertManager is listening on port ${this.options.port}`);
+          this.startRenewalTimer();
+          this.emit(CertManagerEvents.MANAGER_STARTED, this.options.port);
+          resolve();
+        });
+      } catch (error) {
+        reject(error);
+      }
     });
   }
 
   /**
-   * Adds a domain to be managed.
+   * Stops the HTTP server and renewal timer
-   * @param domain The domain to add.
+   */
+  public async stop(): Promise<void> {
+    if (!this.server) {
+      return;
+    }
+    
+    this.isShuttingDown = true;
+    
+    // Stop the renewal timer
+    if (this.renewalTimer) {
+      clearInterval(this.renewalTimer);
+      this.renewalTimer = null;
+    }
+
+    return new Promise<void>((resolve) => {
+      if (this.server) {
+        this.server.close(() => {
+          this.server = null;
+          this.isShuttingDown = false;
+          this.emit(CertManagerEvents.MANAGER_STOPPED);
+          resolve();
+        });
+      } else {
+        this.isShuttingDown = false;
+        resolve();
+      }
+    });
+  }
+
+  /**
+   * Adds a domain to be managed for certificates
+   * @param domain The domain to add
    */
   public addDomain(domain: string): void {
     if (!this.domainCertificates.has(domain)) {
@@ -38,55 +160,126 @@ export class Port80Handler {
   }
 
   /**
-   * Removes a domain from management.
+   * Removes a domain from management
-   * @param domain The domain to remove.
+   * @param domain The domain to remove
    */
   public removeDomain(domain: string): void {
     if (this.domainCertificates.delete(domain)) {
       console.log(`Domain removed: ${domain}`);
     }
   }
+  
+  /**
+   * Sets a certificate for a domain directly (for externally obtained certificates)
+   * @param domain The domain for the certificate
+   * @param certificate The certificate (PEM format)
+   * @param privateKey The private key (PEM format)
+   * @param expiryDate Optional expiry date
+   */
+  public setCertificate(domain: string, certificate: string, privateKey: string, expiryDate?: Date): void {
+    let domainInfo = this.domainCertificates.get(domain);
+    
+    if (!domainInfo) {
+      domainInfo = { certObtained: false, obtainingInProgress: false };
+      this.domainCertificates.set(domain, domainInfo);
+    }
+    
+    domainInfo.certificate = certificate;
+    domainInfo.privateKey = privateKey;
+    domainInfo.certObtained = true;
+    domainInfo.obtainingInProgress = false;
+    
+    if (expiryDate) {
+      domainInfo.expiryDate = expiryDate;
+    } else {
+      // Try to extract expiry date from certificate
+      try {
+        // This is a simplistic approach - in a real implementation, use a proper
+        // certificate parsing library like node-forge or x509
+        const matches = certificate.match(/Not After\s*:\s*(.*?)(?:\n|$)/i);
+        if (matches && matches[1]) {
+          domainInfo.expiryDate = new Date(matches[1]);
+        }
+      } catch (error) {
+        console.warn(`Failed to extract expiry date from certificate for ${domain}`);
+      }
+    }
+    
+    console.log(`Certificate set for ${domain}`);
+    
+    // Emit certificate event
+    this.emitCertificateEvent(CertManagerEvents.CERTIFICATE_ISSUED, {
+      domain,
+      certificate,
+      privateKey,
+      expiryDate: domainInfo.expiryDate || new Date(Date.now() + 90 * 24 * 60 * 60 * 1000) // 90 days default
+    });
+  }
+  
+  /**
+   * Gets the certificate for a domain if it exists
+   * @param domain The domain to get the certificate for
+   */
+  public getCertificate(domain: string): ICertificateData | null {
+    const domainInfo = this.domainCertificates.get(domain);
+    
+    if (!domainInfo || !domainInfo.certObtained || !domainInfo.certificate || !domainInfo.privateKey) {
+      return null;
+    }
+    
+    return {
+      domain,
+      certificate: domainInfo.certificate,
+      privateKey: domainInfo.privateKey,
+      expiryDate: domainInfo.expiryDate || new Date(Date.now() + 90 * 24 * 60 * 60 * 1000) // 90 days default
+    };
+  }
 
   /**
-   * Lazy initialization of the ACME client.
+   * Lazy initialization of the ACME client
-   * Uses Let’s Encrypt’s production directory (for testing you might switch to staging).
+   * @returns An ACME client instance
    */
-  private async getAcmeClient(): Promise<acme.Client> {
+  private async getAcmeClient(): Promise<plugins.acme.Client> {
     if (this.acmeClient) {
       return this.acmeClient;
     }
-    // Generate a new account key and convert Buffer to string.
+    
-    this.accountKey = (await acme.forge.createPrivateKey()).toString();
+    // Generate a new account key
-    this.acmeClient = new acme.Client({
+    this.accountKey = (await plugins.acme.forge.createPrivateKey()).toString();
-      directoryUrl: acme.directory.letsencrypt.production, // Use production for a real certificate
+    
-      // For testing, you could use:
+    this.acmeClient = new plugins.acme.Client({
-      // directoryUrl: acme.directory.letsencrypt.staging,
+      directoryUrl: this.options.useProduction 
+        ? plugins.acme.directory.letsencrypt.production 
+        : plugins.acme.directory.letsencrypt.staging,
       accountKey: this.accountKey,
     });
-    // Create a new account. Make sure to update the contact email.
+    
+    // Create a new account
     await this.acmeClient.createAccount({
       termsOfServiceAgreed: true,
-      contact: ['mailto:admin@example.com'],
+      contact: [`mailto:${this.options.contactEmail}`],
     });
+    
     return this.acmeClient;
   }
 
   /**
-   * Handles incoming HTTP requests on port 80.
+   * Handles incoming HTTP requests
-   * If the request is for an ACME challenge, it responds with the key authorization.
+   * @param req The HTTP request
-   * If the domain has a certificate, it redirects to HTTPS; otherwise, it initiates certificate issuance.
+   * @param res The HTTP response
    */
-  private handleRequest(req: http.IncomingMessage, res: http.ServerResponse): void {
+  private handleRequest(req: plugins.http.IncomingMessage, res: plugins.http.ServerResponse): void {
     const hostHeader = req.headers.host;
     if (!hostHeader) {
       res.statusCode = 400;
       res.end('Bad Request: Host header is missing');
       return;
     }
+    
     // Extract domain (ignoring any port in the Host header)
     const domain = hostHeader.split(':')[0];
 
-    // If the request is for an ACME HTTP-01 challenge, handle it.
+    // If the request is for an ACME HTTP-01 challenge, handle it
     if (req.url && req.url.startsWith('/.well-known/acme-challenge/')) {
       this.handleAcmeChallenge(req, res, domain);
       return;
@@ -100,38 +293,47 @@ export class Port80Handler {
 
     const domainInfo = this.domainCertificates.get(domain)!;
 
-    // If certificate exists, redirect to HTTPS on port 443.
+    // If certificate exists, redirect to HTTPS
     if (domainInfo.certObtained) {
-      const redirectUrl = `https://${domain}:443${req.url}`;
+      const httpsPort = this.options.httpsRedirectPort;
+      const portSuffix = httpsPort === 443 ? '' : `:${httpsPort}`;
+      const redirectUrl = `https://${domain}${portSuffix}${req.url || '/'}`;
+      
       res.statusCode = 301;
       res.setHeader('Location', redirectUrl);
       res.end(`Redirecting to ${redirectUrl}`);
     } else {
-      // Trigger certificate issuance if not already running.
+      // Trigger certificate issuance if not already running
       if (!domainInfo.obtainingInProgress) {
-        domainInfo.obtainingInProgress = true;
         this.obtainCertificate(domain).catch(err => {
+          this.emit(CertManagerEvents.CERTIFICATE_FAILED, { domain, error: err.message });
           console.error(`Error obtaining certificate for ${domain}:`, err);
         });
       }
+      
       res.statusCode = 503;
       res.end('Certificate issuance in progress, please try again later.');
     }
   }
 
   /**
-   * Serves the ACME HTTP-01 challenge response.
+   * Serves the ACME HTTP-01 challenge response
+   * @param req The HTTP request
+   * @param res The HTTP response
+   * @param domain The domain for the challenge
    */
-  private handleAcmeChallenge(req: http.IncomingMessage, res: http.ServerResponse, domain: string): void {
+  private handleAcmeChallenge(req: plugins.http.IncomingMessage, res: plugins.http.ServerResponse, domain: string): void {
     const domainInfo = this.domainCertificates.get(domain);
     if (!domainInfo) {
       res.statusCode = 404;
       res.end('Domain not configured');
       return;
     }
-    // The token is the last part of the URL.
+    
+    // The token is the last part of the URL
     const urlParts = req.url?.split('/');
     const token = urlParts ? urlParts[urlParts.length - 1] : '';
+    
     if (domainInfo.challengeToken === token && domainInfo.challengeKeyAuthorization) {
       res.statusCode = 200;
       res.setHeader('Content-Type', 'text/plain');
@@ -144,71 +346,214 @@ export class Port80Handler {
   }
 
   /**
-   * Uses acme-client to perform a full ACME HTTP-01 challenge to obtain a certificate.
+   * Obtains a certificate for a domain using ACME HTTP-01 challenge
-   * On success, it stores the certificate and key in memory and clears challenge data.
+   * @param domain The domain to obtain a certificate for
+   * @param isRenewal Whether this is a renewal attempt
    */
-  private async obtainCertificate(domain: string): Promise<void> {
+  private async obtainCertificate(domain: string, isRenewal: boolean = false): Promise<void> {
+    // Get the domain info
+    const domainInfo = this.domainCertificates.get(domain);
+    if (!domainInfo) {
+      throw new Error(`Domain not found: ${domain}`);
+    }
+    
+    // Prevent concurrent certificate issuance
+    if (domainInfo.obtainingInProgress) {
+      console.log(`Certificate issuance already in progress for ${domain}`);
+      return;
+    }
+    
+    domainInfo.obtainingInProgress = true;
+    domainInfo.lastRenewalAttempt = new Date();
+    
     try {
       const client = await this.getAcmeClient();
 
-      // Create a new order for the domain.
+      // Create a new order for the domain
       const order = await client.createOrder({
         identifiers: [{ type: 'dns', value: domain }],
       });
 
-      // Get the authorizations for the order.
+      // Get the authorizations for the order
       const authorizations = await client.getAuthorizations(order);
+      
       for (const authz of authorizations) {
         const challenge = authz.challenges.find(ch => ch.type === 'http-01');
         if (!challenge) {
           throw new Error('HTTP-01 challenge not found');
         }
-        // Get the key authorization for the challenge.
+        
+        // Get the key authorization for the challenge
         const keyAuthorization = await client.getChallengeKeyAuthorization(challenge);
-        const domainInfo = this.domainCertificates.get(domain)!;
+        
+        // Store the challenge data
         domainInfo.challengeToken = challenge.token;
         domainInfo.challengeKeyAuthorization = keyAuthorization;
 
-        // Notify the ACME server that the challenge is ready.
+        // ACME client type definition workaround - use compatible approach
-        // The acme-client examples show that verifyChallenge takes three arguments:
+        // First check if challenge verification is needed
-        // (authorization, challenge, keyAuthorization). However, the official TypeScript
+        const authzUrl = authz.url;
-        // types appear to be out-of-sync. As a workaround, we cast client to 'any'.
+        
-        await (client as any).verifyChallenge(authz, challenge, keyAuthorization);
+        try {
-
+          // Check if authzUrl exists and perform verification
-        await client.completeChallenge(challenge);
+          if (authzUrl) {
-        // Wait until the challenge is validated.
+            await client.verifyChallenge(authz, challenge);
-        await client.waitForValidStatus(challenge);
+          }
-        console.log(`HTTP-01 challenge completed for ${domain}`);
+          
+          // Complete the challenge
+          await client.completeChallenge(challenge);
+          
+          // Wait for validation
+          await client.waitForValidStatus(challenge);
+          console.log(`HTTP-01 challenge completed for ${domain}`);
+        } catch (error) {
+          console.error(`Challenge error for ${domain}:`, error);
+          throw error;
+        }
       }
 
-      // Generate a CSR and a new private key for the domain.
+      // Generate a CSR and private key
-      // Convert the resulting Buffers to strings.
+      const [csrBuffer, privateKeyBuffer] = await plugins.acme.forge.createCsr({
-      const [csrBuffer, privateKeyBuffer] = await acme.forge.createCsr({
         commonName: domain,
       });
+      
       const csr = csrBuffer.toString();
       const privateKey = privateKeyBuffer.toString();
 
-      // Finalize the order and obtain the certificate.
+      // Finalize the order with our CSR
       await client.finalizeOrder(order, csr);
+      
+      // Get the certificate with the full chain
       const certificate = await client.getCertificate(order);
 
-      const domainInfo = this.domainCertificates.get(domain)!;
+      // Store the certificate and key
       domainInfo.certificate = certificate;
       domainInfo.privateKey = privateKey;
       domainInfo.certObtained = true;
-      domainInfo.obtainingInProgress = false;
+      
+      // Clear challenge data
       delete domainInfo.challengeToken;
       delete domainInfo.challengeKeyAuthorization;
+      
+      // Extract expiry date from certificate
+      try {
+        const matches = certificate.match(/Not After\s*:\s*(.*?)(?:\n|$)/i);
+        if (matches && matches[1]) {
+          domainInfo.expiryDate = new Date(matches[1]);
+          console.log(`Certificate for ${domain} will expire on ${domainInfo.expiryDate.toISOString()}`);
+        }
+      } catch (error) {
+        console.warn(`Failed to extract expiry date from certificate for ${domain}`);
+      }
 
-      console.log(`Certificate obtained for ${domain}`);
+      console.log(`Certificate ${isRenewal ? 'renewed' : 'obtained'} for ${domain}`);
-      // In a production system, persist the certificate and key and reload your TLS server.
+      
-    } catch (error) {
+      // Emit the appropriate event
-      console.error(`Error during certificate issuance for ${domain}:`, error);
+      const eventType = isRenewal 
-      const domainInfo = this.domainCertificates.get(domain);
+        ? CertManagerEvents.CERTIFICATE_RENEWED 
-      if (domainInfo) {
+        : CertManagerEvents.CERTIFICATE_ISSUED;
-        domainInfo.obtainingInProgress = false;
+      
+      this.emitCertificateEvent(eventType, {
+        domain,
+        certificate,
+        privateKey,
+        expiryDate: domainInfo.expiryDate || new Date(Date.now() + 90 * 24 * 60 * 60 * 1000) // 90 days default
+      });
+      
+    } catch (error: any) {
+      // Check for rate limit errors
+      if (error.message && (
+        error.message.includes('rateLimited') || 
+        error.message.includes('too many certificates') || 
+        error.message.includes('rate limit')
+      )) {
+        console.error(`Rate limit reached for ${domain}. Waiting before retry.`);
+      } else {
+        console.error(`Error during certificate issuance for ${domain}:`, error);
+      }
+      
+      // Emit failure event
+      this.emit(CertManagerEvents.CERTIFICATE_FAILED, {
+        domain,
+        error: error.message || 'Unknown error',
+        isRenewal
+      });
+    } finally {
+      // Reset flag whether successful or not
+      domainInfo.obtainingInProgress = false;
+    }
+  }
+
+  /**
+   * Starts the certificate renewal timer
+   */
+  private startRenewalTimer(): void {
+    if (this.renewalTimer) {
+      clearInterval(this.renewalTimer);
+    }
+    
+    // Convert hours to milliseconds
+    const checkInterval = this.options.renewCheckIntervalHours * 60 * 60 * 1000;
+    
+    this.renewalTimer = setInterval(() => this.checkForRenewals(), checkInterval);
+    
+    // Prevent the timer from keeping the process alive
+    if (this.renewalTimer.unref) {
+      this.renewalTimer.unref();
+    }
+    
+    console.log(`Certificate renewal check scheduled every ${this.options.renewCheckIntervalHours} hours`);
+  }
+
+  /**
+   * Checks for certificates that need renewal
+   */
+  private checkForRenewals(): void {
+    if (this.isShuttingDown) {
+      return;
+    }
+    
+    console.log('Checking for certificates that need renewal...');
+    
+    const now = new Date();
+    const renewThresholdMs = this.options.renewThresholdDays * 24 * 60 * 60 * 1000;
+    
+    for (const [domain, domainInfo] of this.domainCertificates.entries()) {
+      // Skip domains without certificates or already in renewal
+      if (!domainInfo.certObtained || domainInfo.obtainingInProgress) {
+        continue;
+      }
+      
+      // Skip domains without expiry dates
+      if (!domainInfo.expiryDate) {
+        continue;
+      }
+      
+      const timeUntilExpiry = domainInfo.expiryDate.getTime() - now.getTime();
+      
+      // Check if certificate is near expiry
+      if (timeUntilExpiry <= renewThresholdMs) {
+        console.log(`Certificate for ${domain} expires soon, renewing...`);
+        this.emit(CertManagerEvents.CERTIFICATE_EXPIRING, {
+          domain,
+          expiryDate: domainInfo.expiryDate,
+          daysRemaining: Math.ceil(timeUntilExpiry / (24 * 60 * 60 * 1000))
+        });
+        
+        // Start renewal process
+        this.obtainCertificate(domain, true).catch(err => {
+          console.error(`Error renewing certificate for ${domain}:`, err);
+        });
       }
     }
   }
-}
+  
+  /**
+   * Emits a certificate event with the certificate data
+   * @param eventType The event type to emit
+   * @param data The certificate data
+   */
+  private emitCertificateEvent(eventType: CertManagerEvents, data: ICertificateData): void {
+    this.emit(eventType, data);
+  }
+}

ts/classes.router.ts

@@ -1,33 +1,359 @@
 import * as plugins from './plugins.js';
 
-export class ProxyRouter {
+/**
-  public reverseProxyConfigs: plugins.tsclass.network.IReverseProxyConfig[] = [];
+ * Optional path pattern configuration that can be added to proxy configs
+ */
+export interface IPathPatternConfig {
+  pathPattern?: string;
+}
 
-  /**
+/**
-   * sets a new set of reverse configs to be routed to
+ * Interface for router result with additional metadata
-   * @param reverseCandidatesArg
+ */
-   */
+export interface IRouterResult {
-  public setNewProxyConfigs(reverseCandidatesArg: plugins.tsclass.network.IReverseProxyConfig[]) {
+  config: plugins.tsclass.network.IReverseProxyConfig;
-    this.reverseProxyConfigs = reverseCandidatesArg;
+  pathMatch?: string;
+  pathParams?: Record<string, string>;
+  pathRemainder?: string;
+}
+
+export class ProxyRouter {
+  // Using a Map for O(1) hostname lookups instead of array search
+  private hostMap: Map<string, plugins.tsclass.network.IReverseProxyConfig[]> = new Map();
+  // Store original configs for reference
+  private reverseProxyConfigs: plugins.tsclass.network.IReverseProxyConfig[] = [];
+  // Default config to use when no match is found (optional)
+  private defaultConfig?: plugins.tsclass.network.IReverseProxyConfig;
+  // Store path patterns separately since they're not in the original interface
+  private pathPatterns: Map<plugins.tsclass.network.IReverseProxyConfig, string> = new Map();
+
+  constructor(
+    configs?: plugins.tsclass.network.IReverseProxyConfig[],
+    private readonly logger: { 
+      error: (message: string, data?: any) => void;
+      warn: (message: string, data?: any) => void;
+      info: (message: string, data?: any) => void;
+      debug: (message: string, data?: any) => void;
+    } = console
+  ) {
+    if (configs) {
+      this.setNewProxyConfigs(configs);
+    }
   }
 
   /**
-   * routes a request
+   * Sets a new set of reverse configs to be routed to
+   * @param reverseCandidatesArg Array of reverse proxy configurations
+   */
+  public setNewProxyConfigs(reverseCandidatesArg: plugins.tsclass.network.IReverseProxyConfig[]): void {
+    this.reverseProxyConfigs = [...reverseCandidatesArg];
+    
+    // Reset the host map and path patterns
+    this.hostMap.clear();
+    this.pathPatterns.clear();
+    
+    // Find default config if any (config with "*" as hostname)
+    this.defaultConfig = this.reverseProxyConfigs.find(config => config.hostName === '*');
+    
+    // Group configs by hostname for faster lookups
+    for (const config of this.reverseProxyConfigs) {
+      // Skip the default config as it's stored separately
+      if (config.hostName === '*') continue;
+      
+      const hostname = config.hostName.toLowerCase(); // Case-insensitive hostname lookup
+      
+      if (!this.hostMap.has(hostname)) {
+        this.hostMap.set(hostname, []);
+      }
+      
+      // Check for path pattern in extended properties 
+      // (using any to access custom properties not in the interface)
+      const extendedConfig = config as any;
+      if (extendedConfig.pathPattern) {
+        this.pathPatterns.set(config, extendedConfig.pathPattern);
+      }
+      
+      // Add to the list of configs for this hostname
+      this.hostMap.get(hostname).push(config);
+    }
+    
+    // Sort configs for each hostname by specificity
+    // More specific path patterns should be checked first
+    for (const [hostname, configs] of this.hostMap.entries()) {
+      if (configs.length > 1) {
+        // Sort by pathPattern - most specific first 
+        // (null comes last, exact paths before patterns with wildcards)
+        configs.sort((a, b) => {
+          const aPattern = this.pathPatterns.get(a);
+          const bPattern = this.pathPatterns.get(b);
+          
+          // If one has a path and the other doesn't, the one with a path comes first
+          if (!aPattern && bPattern) return 1;
+          if (aPattern && !bPattern) return -1;
+          if (!aPattern && !bPattern) return 0;
+          
+          // Both have path patterns - more specific (longer) first
+          // This is a simple heuristic; we could use a more sophisticated approach
+          return bPattern.length - aPattern.length;
+        });
+      }
+    }
+    
+    this.logger.info(`Router initialized with ${this.reverseProxyConfigs.length} configs (${this.hostMap.size} unique hosts)`);
+  }
+
+  /**
+   * Routes a request based on hostname and path
+   * @param req The incoming HTTP request
+   * @returns The matching proxy config or undefined if no match found
    */
   public routeReq(req: plugins.http.IncomingMessage): plugins.tsclass.network.IReverseProxyConfig {
+    const result = this.routeReqWithDetails(req);
+    return result ? result.config : undefined;
+  }
+  
+  /**
+   * Routes a request with detailed matching information
+   * @param req The incoming HTTP request
+   * @returns Detailed routing result including matched config and path information
+   */
+  public routeReqWithDetails(req: plugins.http.IncomingMessage): IRouterResult | undefined {
+    // Extract and validate host header
     const originalHost = req.headers.host;
     if (!originalHost) {
-      console.error('No host header found in request');
+      this.logger.error('No host header found in request');
-      return undefined;
+      return this.defaultConfig ? { config: this.defaultConfig } : undefined;
     }
-    // Strip port from host if present
+    
-    const hostWithoutPort = originalHost.split(':')[0];
+    // Parse URL for path matching
-    const correspodingReverseProxyConfig = this.reverseProxyConfigs.find((reverseConfig) => {
+    const urlPath = new URL(
-      return reverseConfig.hostName === hostWithoutPort;
+      req.url || '/', 
-    });
+      `http://${originalHost}`
-    if (!correspodingReverseProxyConfig) {
+    ).pathname;
-      console.error(`No config found for host: ${hostWithoutPort}`);
+    
+    // Extract hostname without port
+    const hostWithoutPort = originalHost.split(':')[0].toLowerCase();
+    
+    // Find configs for this hostname
+    const configs = this.hostMap.get(hostWithoutPort);
+    
+    if (configs && configs.length > 0) {
+      // Check each config for path matching
+      for (const config of configs) {
+        // Get the path pattern if any
+        const pathPattern = this.pathPatterns.get(config);
+        
+        // If no path pattern specified, this config matches all paths
+        if (!pathPattern) {
+          return { config };
+        }
+        
+        // Check if path matches the pattern
+        const pathMatch = this.matchPath(urlPath, pathPattern);
+        if (pathMatch) {
+          return {
+            config,
+            pathMatch: pathMatch.matched,
+            pathParams: pathMatch.params,
+            pathRemainder: pathMatch.remainder
+          };
+        }
+      }
     }
-    return correspodingReverseProxyConfig;
+    
+    // Try wildcard subdomains if no direct match found
+    // For example, if request is for sub.example.com, try *.example.com
+    const domainParts = hostWithoutPort.split('.');
+    if (domainParts.length > 2) {
+      const wildcardDomain = `*.${domainParts.slice(1).join('.')}`;
+      const wildcardConfigs = this.hostMap.get(wildcardDomain);
+      
+      if (wildcardConfigs && wildcardConfigs.length > 0) {
+        // Use the first matching wildcard config
+        // Could add path matching logic here as well
+        return { config: wildcardConfigs[0] };
+      }
+    }
+    
+    // Fall back to default config if available
+    if (this.defaultConfig) {
+      this.logger.warn(`No specific config found for host: ${hostWithoutPort}, using default`);
+      return { config: this.defaultConfig };
+    }
+    
+    this.logger.error(`No config found for host: ${hostWithoutPort}`);
+    return undefined;
   }
-}
+  
+  /**
+   * Sets a path pattern for an existing config
+   * @param config The existing configuration
+   * @param pathPattern The path pattern to set
+   * @returns Boolean indicating if the config was found and updated
+   */
+  public setPathPattern(
+    config: plugins.tsclass.network.IReverseProxyConfig, 
+    pathPattern: string
+  ): boolean {
+    const exists = this.reverseProxyConfigs.includes(config);
+    if (exists) {
+      this.pathPatterns.set(config, pathPattern);
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Matches a URL path against a pattern
+   * Supports:
+   * - Exact matches: /users/profile
+   * - Wildcards: /api/* (matches any path starting with /api/)
+   * - Path parameters: /users/:id (captures id as a parameter)
+   * 
+   * @param path The URL path to match
+   * @param pattern The pattern to match against
+   * @returns Match result with params and remainder, or null if no match
+   */
+  private matchPath(path: string, pattern: string): { 
+    matched: string; 
+    params: Record<string, string>; 
+    remainder: string;
+  } | null {
+    // Handle exact match
+    if (path === pattern) {
+      return {
+        matched: pattern,
+        params: {},
+        remainder: ''
+      };
+    }
+    
+    // Handle wildcard match
+    if (pattern.endsWith('/*')) {
+      const prefix = pattern.slice(0, -2);
+      if (path === prefix || path.startsWith(`${prefix}/`)) {
+        return {
+          matched: prefix,
+          params: {},
+          remainder: path.slice(prefix.length)
+        };
+      }
+      return null;
+    }
+    
+    // Handle path parameters
+    const patternParts = pattern.split('/');
+    const pathParts = path.split('/');
+    
+    // Check if paths are compatible length
+    if (
+      // If pattern doesn't end with wildcard, paths must have the same number of parts
+      (!pattern.endsWith('/*') && patternParts.length !== pathParts.length) ||
+      // If pattern ends with wildcard, path must have at least as many parts as the pattern
+      (pattern.endsWith('/*') && pathParts.length < patternParts.length - 1)
+    ) {
+      return null;
+    }
+    
+    const params: Record<string, string> = {};
+    const matchedParts: string[] = [];
+    
+    // Compare path parts
+    for (let i = 0; i < patternParts.length; i++) {
+      const patternPart = patternParts[i];
+      
+      // Handle wildcard at the end
+      if (patternPart === '*' && i === patternParts.length - 1) {
+        break;
+      }
+      
+      // If pathParts[i] doesn't exist, we've reached the end of the path
+      if (i >= pathParts.length) {
+        return null;
+      }
+      
+      const pathPart = pathParts[i];
+      
+      // Handle parameter
+      if (patternPart.startsWith(':')) {
+        const paramName = patternPart.slice(1);
+        params[paramName] = pathPart;
+        matchedParts.push(pathPart);
+        continue;
+      }
+      
+      // Handle exact match for this part
+      if (patternPart !== pathPart) {
+        return null;
+      }
+      
+      matchedParts.push(pathPart);
+    }
+    
+    // Calculate the remainder
+    let remainder = '';
+    if (pattern.endsWith('/*')) {
+      remainder = '/' + pathParts.slice(patternParts.length - 1).join('/');
+    }
+    
+    return {
+      matched: matchedParts.join('/'),
+      params,
+      remainder
+    };
+  }
+  
+  /**
+   * Gets all currently active proxy configurations
+   * @returns Array of all active configurations
+   */
+  public getProxyConfigs(): plugins.tsclass.network.IReverseProxyConfig[] {
+    return [...this.reverseProxyConfigs];
+  }
+  
+  /**
+   * Gets all hostnames that this router is configured to handle
+   * @returns Array of hostnames
+   */
+  public getHostnames(): string[] {
+    return Array.from(this.hostMap.keys());
+  }
+  
+  /**
+   * Adds a single new proxy configuration
+   * @param config The configuration to add
+   * @param pathPattern Optional path pattern for route matching
+   */
+  public addProxyConfig(
+    config: plugins.tsclass.network.IReverseProxyConfig, 
+    pathPattern?: string
+  ): void {
+    this.reverseProxyConfigs.push(config);
+    
+    // Store path pattern if provided
+    if (pathPattern) {
+      this.pathPatterns.set(config, pathPattern);
+    }
+    
+    this.setNewProxyConfigs(this.reverseProxyConfigs);
+  }
+  
+  /**
+   * Removes a proxy configuration by hostname
+   * @param hostname The hostname to remove
+   * @returns Boolean indicating whether any configs were removed
+   */
+  public removeProxyConfig(hostname: string): boolean {
+    const initialCount = this.reverseProxyConfigs.length;
+    this.reverseProxyConfigs = this.reverseProxyConfigs.filter(
+      config => config.hostName !== hostname
+    );
+    
+    if (initialCount !== this.reverseProxyConfigs.length) {
+      this.setNewProxyConfigs(this.reverseProxyConfigs);
+      return true;
+    }
+    
+    return false;
+  }
+}

ts/plugins.ts

@@ -1,11 +1,13 @@
 // node native scope
+import { EventEmitter } from 'events';
 import * as http from 'http';
 import * as https from 'https';
 import * as net from 'net';
 import * as tls from 'tls';
 import * as url from 'url';
 
-export { http, https, net, tls, url };
+
+export { EventEmitter, http, https, net, tls, url };
 
 // tsclass scope
 import * as tsclass from '@tsclass/tsclass';
@@ -22,9 +24,10 @@ import * as smartstring from '@push.rocks/smartstring';
 export { lik, smartdelay, smartrequest, smartpromise, smartstring };
 
 // third party scope
+import * as acme from 'acme-client';
 import prettyMs from 'pretty-ms';
 import * as ws from 'ws';
 import wsDefault from 'ws';
 import { minimatch } from 'minimatch';
 
-export { prettyMs, ws, wsDefault, minimatch };
+export { acme, prettyMs, ws, wsDefault, minimatch };