86 lines
5.9 KiB
JavaScript
86 lines
5.9 KiB
JavaScript
/**
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* SMTP Client Factory
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* Factory function for client creation and dependency injection
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*/
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import { SmtpClient } from './smtp-client.js';
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import { ConnectionManager } from './connection-manager.js';
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import { CommandHandler } from './command-handler.js';
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import { AuthHandler } from './auth-handler.js';
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import { TlsHandler } from './tls-handler.js';
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import { SmtpErrorHandler } from './error-handler.js';
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import { validateClientOptions } from './utils/validation.js';
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import { DEFAULTS } from './constants.js';
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/**
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* Create a complete SMTP client with all components
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*/
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export function createSmtpClient(options) {
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// Validate options
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const errors = validateClientOptions(options);
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if (errors.length > 0) {
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throw new Error(`Invalid client options: ${errors.join(', ')}`);
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}
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// Apply defaults
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const clientOptions = {
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connectionTimeout: DEFAULTS.CONNECTION_TIMEOUT,
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socketTimeout: DEFAULTS.SOCKET_TIMEOUT,
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maxConnections: DEFAULTS.MAX_CONNECTIONS,
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maxMessages: DEFAULTS.MAX_MESSAGES,
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pool: false,
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secure: false,
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debug: false,
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...options
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};
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// Create handlers
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const errorHandler = new SmtpErrorHandler(clientOptions);
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const connectionManager = new ConnectionManager(clientOptions);
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const commandHandler = new CommandHandler(clientOptions);
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const authHandler = new AuthHandler(clientOptions, commandHandler);
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const tlsHandler = new TlsHandler(clientOptions, commandHandler);
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// Create and return SMTP client
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return new SmtpClient({
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options: clientOptions,
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connectionManager,
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commandHandler,
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authHandler,
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tlsHandler,
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errorHandler
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});
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}
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/**
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* Create SMTP client with connection pooling enabled
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*/
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export function createPooledSmtpClient(options) {
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return createSmtpClient({
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...options,
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pool: true,
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maxConnections: options.maxConnections || DEFAULTS.MAX_CONNECTIONS,
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maxMessages: options.maxMessages || DEFAULTS.MAX_MESSAGES
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});
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}
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/**
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* Create SMTP client for high-volume sending
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*/
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export function createBulkSmtpClient(options) {
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return createSmtpClient({
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...options,
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pool: true,
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maxConnections: Math.max(options.maxConnections || 10, 10),
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maxMessages: Math.max(options.maxMessages || 1000, 1000),
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connectionTimeout: options.connectionTimeout || 30000,
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socketTimeout: options.socketTimeout || 120000
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});
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}
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/**
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* Create SMTP client for transactional emails
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*/
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export function createTransactionalSmtpClient(options) {
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return createSmtpClient({
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...options,
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pool: false, // Use fresh connections for transactional emails
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maxConnections: 1,
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maxMessages: 1,
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connectionTimeout: options.connectionTimeout || 10000,
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socketTimeout: options.socketTimeout || 30000
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});
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}
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