feat(dcrouter): Implement unified email configuration with pattern‐based routing and consolidated email processing. Migrate SMTP forwarding and store‐and‐forward into a single, configuration-driven system that supports glob pattern matching in domain rules.
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@ -2,42 +2,12 @@ import * as plugins from '../plugins.js';
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import * as paths from '../paths.js';
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import { SmtpPortConfig, type ISmtpPortSettings } from './classes.smtp.portconfig.js';
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import { EmailDomainRouter, type IEmailDomainRoutingConfig } from './classes.email.domainrouter.js';
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import { type IMtaConfig, MtaService } from '../mta/classes.mta.js';
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// Import SMTP store-and-forward components
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import { SmtpServer } from './classes.smtp.server.js';
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import { EmailProcessor, type IProcessingResult } from './classes.email.processor.js';
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import { DeliveryQueue } from './classes.delivery.queue.js';
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import { DeliverySystem } from './classes.delivery.system.js';
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// Certificate types are available via plugins.tsclass
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/**
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* Configuration for SMTP forwarding functionality
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*/
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export interface ISmtpForwardingConfig {
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/** Whether SMTP forwarding is enabled */
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enabled?: boolean;
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/** SMTP ports to listen on */
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ports?: number[];
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/** Default SMTP server hostname */
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defaultServer: string;
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/** Default SMTP server port */
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defaultPort?: number;
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/** Whether to use TLS when connecting to the default server */
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useTls?: boolean;
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/** Preserve source IP address when forwarding */
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preserveSourceIp?: boolean;
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/** Domain-specific routing rules */
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domainRoutes?: Array<{
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domain: string;
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server: string;
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port?: number;
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}>;
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}
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import type { ISmtpConfig } from './classes.smtp.config.js';
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// Import the consolidated email config
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import type { IEmailConfig } from './classes.email.config.js';
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import { DomainRouter } from './classes.domain.router.js';
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export interface IDcRouterOptions {
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/**
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@ -46,24 +16,11 @@ export interface IDcRouterOptions {
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*/
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smartProxyConfig?: plugins.smartproxy.ISmartProxyOptions;
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/**
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* SMTP store-and-forward configuration
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* This enables advanced email processing capabilities (complementary to smartProxyConfig)
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* Consolidated email configuration
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* This enables all email handling with pattern-based routing
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*/
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smtpConfig?: ISmtpConfig;
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/**
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* Legacy SMTP forwarding configuration
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* If smtpConfig is provided, this will be ignored
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*/
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smtpForwarding?: ISmtpForwardingConfig;
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/** MTA service configuration (if not using SMTP forwarding) */
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mtaConfig?: IMtaConfig;
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/** Existing MTA service instance to use (if not using SMTP forwarding) */
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mtaServiceInstance?: MtaService;
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emailConfig?: IEmailConfig;
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/** TLS/certificate configuration */
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tls?: {
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@ -100,14 +57,10 @@ export class DcRouter {
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// Core services
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public smartProxy?: plugins.smartproxy.SmartProxy;
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public mta?: MtaService;
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public dnsServer?: plugins.smartdns.DnsServer;
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// SMTP store-and-forward components
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public smtpServer?: SmtpServer;
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public emailProcessor?: EmailProcessor;
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public deliveryQueue?: DeliveryQueue;
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public deliverySystem?: DeliverySystem;
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// Unified email components
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public domainRouter?: DomainRouter;
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// Environment access
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private qenv = new plugins.qenv.Qenv('./', '.nogit/');
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@ -128,16 +81,9 @@ export class DcRouter {
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await this.setupSmartProxy();
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}
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// 2. Set up SMTP handling
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if (this.options.smtpConfig) {
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// Set up store-and-forward SMTP processing
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await this.setupSmtpProcessing();
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} else if (this.options.smtpForwarding?.enabled) {
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// Fallback to simple SMTP forwarding for backward compatibility
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await this.setupSmtpForwarding();
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} else {
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// Set up MTA service if no SMTP handling is configured
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await this.setupMtaService();
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// Set up unified email handling if configured
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if (this.options.emailConfig) {
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await this.setupUnifiedEmailHandling();
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}
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// 3. Set up DNS server if configured
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@ -191,71 +137,6 @@ export class DcRouter {
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}
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/**
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* Set up the MTA service
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*/
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private async setupMtaService() {
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// Use existing MTA service if provided
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if (this.options.mtaServiceInstance) {
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this.mta = this.options.mtaServiceInstance;
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console.log('Using provided MTA service instance');
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} else if (this.options.mtaConfig) {
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// Create new MTA service with the provided configuration
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this.mta = new MtaService(undefined, this.options.mtaConfig);
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console.log('Created new MTA service instance');
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// Start the MTA service
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await this.mta.start();
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console.log('MTA service started');
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}
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}
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/**
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* Set up SMTP forwarding with SmartProxy
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*/
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private async setupSmtpForwarding() {
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if (!this.options.smtpForwarding) {
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return;
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}
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const forwarding = this.options.smtpForwarding;
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console.log('Setting up SMTP forwarding');
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// Determine which ports to listen on
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const smtpPorts = forwarding.ports || [25, 587, 465];
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// Create SmartProxy instance for SMTP forwarding
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const smtpProxyConfig: plugins.smartproxy.ISmartProxyOptions = {
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// Listen on the first SMTP port
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fromPort: smtpPorts[0],
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// Forward to the default server
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toPort: forwarding.defaultPort || 25,
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targetIP: forwarding.defaultServer,
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// Enable SNI if port 465 is included (implicit TLS)
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sniEnabled: smtpPorts.includes(465),
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// Preserve source IP if requested
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preserveSourceIP: forwarding.preserveSourceIp || false,
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// Create domain configs for SMTP routing
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domainConfigs: forwarding.domainRoutes?.map(route => ({
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domains: [route.domain],
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allowedIPs: ['0.0.0.0/0'], // Allow from anywhere by default
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targetIPs: [route.server]
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})) || [],
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// Include all SMTP ports in the global port ranges
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globalPortRanges: smtpPorts.map(port => ({ from: port, to: port }))
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};
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// Create a separate SmartProxy instance for SMTP
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const smtpProxy = new plugins.smartproxy.SmartProxy(smtpProxyConfig);
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// Start the SMTP proxy
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await smtpProxy.start();
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// Store the SMTP proxy reference
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this.smartProxy = smtpProxy;
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console.log(`SMTP forwarding configured on ports ${smtpPorts.join(', ')}`);
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}
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/**
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* Check if a domain matches a pattern (including wildcard support)
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@ -291,17 +172,12 @@ export class DcRouter {
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try {
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// Stop all services in parallel for faster shutdown
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await Promise.all([
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// Stop SMTP components
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this.stopSmtpComponents().catch(err => console.error('Error stopping SMTP components:', err)),
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// Stop unified email components if running
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this.domainRouter ? this.stopUnifiedEmailComponents().catch(err => console.error('Error stopping unified email components:', err)) : Promise.resolve(),
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// Stop HTTP SmartProxy if running
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this.smartProxy ? this.smartProxy.stop().catch(err => console.error('Error stopping SmartProxy:', err)) : Promise.resolve(),
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// Stop MTA service if it's our own (not an external instance)
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(this.mta && !this.options.mtaServiceInstance) ?
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this.mta.stop().catch(err => console.error('Error stopping MTA service:', err)) :
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Promise.resolve(),
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// Stop DNS server if running
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this.dnsServer ?
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this.dnsServer.stop().catch(err => console.error('Error stopping DNS server:', err)) :
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@ -336,135 +212,64 @@ export class DcRouter {
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}
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/**
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* Set up SMTP store-and-forward processing
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* Set up unified email handling with pattern-based routing
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* This implements the consolidated emailConfig approach
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*/
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private async setupSmtpProcessing(): Promise<void> {
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if (!this.options.smtpConfig) {
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return;
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private async setupUnifiedEmailHandling(): Promise<void> {
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console.log('Setting up unified email handling with pattern-based routing');
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if (!this.options.emailConfig) {
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throw new Error('Email configuration is required for unified email handling');
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}
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console.log('Setting up SMTP store-and-forward processing');
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try {
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// 1. Create SMTP server
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this.smtpServer = new SmtpServer(this.options.smtpConfig);
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// 2. Create email processor
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this.emailProcessor = new EmailProcessor(this.options.smtpConfig);
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// 3. Create delivery queue
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this.deliveryQueue = new DeliveryQueue(this.options.smtpConfig.queue || {});
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await this.deliveryQueue.initialize();
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// 4. Create delivery system
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this.deliverySystem = new DeliverySystem(this.deliveryQueue);
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// 5. Connect components
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// When a message is received by the SMTP server, process it
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this.smtpServer.on('message', async ({ session, mail, rawData }) => {
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try {
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// Process the message
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const processingResult = await this.emailProcessor.processEmail(mail, rawData, session);
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// If action is queue, add to delivery queue
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if (processingResult.action === 'queue') {
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await this.deliveryQueue.enqueue(processingResult);
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}
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} catch (error) {
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console.error('Error processing message:', error);
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}
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// Create domain router for pattern matching
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this.domainRouter = new DomainRouter({
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domainRules: this.options.emailConfig.domainRules,
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defaultMode: this.options.emailConfig.defaultMode,
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defaultServer: this.options.emailConfig.defaultServer,
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defaultPort: this.options.emailConfig.defaultPort,
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defaultTls: this.options.emailConfig.defaultTls
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});
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// 6. Start components
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await this.smtpServer.start();
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await this.deliverySystem.start();
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// TODO: Initialize the full unified email processing pipeline
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console.log(`SMTP processing started on ports ${this.options.smtpConfig.ports.join(', ')}`);
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console.log(`Unified email handling configured with ${this.options.emailConfig.domainRules.length} domain rules`);
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} catch (error) {
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console.error('Error setting up SMTP processing:', error);
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// Clean up any components that were started
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if (this.deliverySystem) {
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await this.deliverySystem.stop().catch(e => console.error('Error stopping delivery system:', e));
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}
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if (this.deliveryQueue) {
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await this.deliveryQueue.shutdown().catch(e => console.error('Error shutting down delivery queue:', e));
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}
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if (this.smtpServer) {
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await this.smtpServer.stop().catch(e => console.error('Error stopping SMTP server:', e));
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}
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console.error('Error setting up unified email handling:', error);
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throw error;
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}
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}
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/**
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* Update SMTP forwarding configuration
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* @param config New SMTP forwarding configuration
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* Update the unified email configuration
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* @param config New email configuration
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*/
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public async updateSmtpForwarding(config: ISmtpForwardingConfig): Promise<void> {
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// Stop existing SMTP components
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await this.stopSmtpComponents();
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public async updateEmailConfig(config: IEmailConfig): Promise<void> {
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// Stop existing email components
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await this.stopUnifiedEmailComponents();
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// Update configuration
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this.options.smtpForwarding = config;
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this.options.smtpConfig = undefined; // Clear any store-and-forward config
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this.options.emailConfig = config;
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// Restart SMTP forwarding if enabled
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if (config.enabled) {
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await this.setupSmtpForwarding();
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}
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// Start email handling with new configuration
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await this.setupUnifiedEmailHandling();
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console.log('SMTP forwarding configuration updated');
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console.log('Unified email configuration updated');
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}
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/**
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* Update SMTP processing configuration
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* @param config New SMTP config
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* Stop all unified email components
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*/
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public async updateSmtpConfig(config: ISmtpConfig): Promise<void> {
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// Stop existing SMTP components
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await this.stopSmtpComponents();
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private async stopUnifiedEmailComponents(): Promise<void> {
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// TODO: Implement stopping all unified email components
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// Update configuration
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this.options.smtpConfig = config;
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this.options.smtpForwarding = undefined; // Clear any forwarding config
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// Start SMTP processing
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await this.setupSmtpProcessing();
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console.log('SMTP processing configuration updated');
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// Clear the domain router
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this.domainRouter = undefined;
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}
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/**
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* Stop all SMTP components
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*/
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private async stopSmtpComponents(): Promise<void> {
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// Stop delivery system
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if (this.deliverySystem) {
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await this.deliverySystem.stop().catch(e => console.error('Error stopping delivery system:', e));
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this.deliverySystem = undefined;
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}
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// Stop delivery queue
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if (this.deliveryQueue) {
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await this.deliveryQueue.shutdown().catch(e => console.error('Error shutting down delivery queue:', e));
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this.deliveryQueue = undefined;
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}
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// Stop SMTP server
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if (this.smtpServer) {
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await this.smtpServer.stop().catch(e => console.error('Error stopping SMTP server:', e));
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this.smtpServer = undefined;
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}
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// For backward compatibility: legacy SMTP proxy implementation
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// This is no longer used with the new implementation
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}
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}
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export default DcRouter;
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