forked from datawhale/whale-town-end
370 lines
12 KiB
TypeScript
370 lines
12 KiB
TypeScript
/**
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* 邮件服务
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*
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* 功能描述：
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* - 提供邮件发送的核心功能
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* - 支持多种邮件模板和场景
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* - 集成主流邮件服务提供商
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*
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* 支持的邮件类型：
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* - 邮箱验证码
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* - 密码重置验证码
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* - 欢迎邮件
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* - 系统通知
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*
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* @author moyin
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* @version 1.0.0
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* @since 2025-12-17
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*/
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import { Injectable, Logger, BadRequestException } from '@nestjs/common';
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import { ConfigService } from '@nestjs/config';
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import * as nodemailer from 'nodemailer';
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import { Transporter } from 'nodemailer';
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/**
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* 邮件发送选项接口
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*/
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export interface EmailOptions {
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/** 收件人邮箱 */
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to: string;
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/** 邮件主题 */
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subject: string;
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/** 邮件内容（HTML格式） */
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html: string;
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/** 邮件内容（纯文本格式） */
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text?: string;
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}
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/**
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* 验证码邮件选项接口
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*/
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export interface VerificationEmailOptions {
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/** 收件人邮箱 */
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email: string;
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/** 验证码 */
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code: string;
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/** 用户昵称 */
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nickname?: string;
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/** 验证码用途 */
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purpose: 'email_verification' | 'password_reset';
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}
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@Injectable()
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export class EmailService {
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private readonly logger = new Logger(EmailService.name);
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private transporter: Transporter;
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constructor(private readonly configService: ConfigService) {
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this.initializeTransporter();
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}
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/**
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* 初始化邮件传输器
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*/
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private initializeTransporter(): void {
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const emailConfig = {
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host: this.configService.get<string>('EMAIL_HOST', 'smtp.gmail.com'),
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port: this.configService.get<number>('EMAIL_PORT', 587),
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secure: this.configService.get<boolean>('EMAIL_SECURE', false), // true for 465, false for other ports
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auth: {
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user: this.configService.get<string>('EMAIL_USER'),
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pass: this.configService.get<string>('EMAIL_PASS'),
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},
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};
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// 如果没有配置邮件服务，使用测试模式
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if (!emailConfig.auth.user || !emailConfig.auth.pass) {
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this.logger.warn('邮件服务未配置，将使用测试模式（邮件不会真实发送）');
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this.transporter = nodemailer.createTransport({
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streamTransport: true,
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newline: 'unix',
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buffer: true
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});
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} else {
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this.transporter = nodemailer.createTransport(emailConfig);
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this.logger.log('邮件服务初始化成功');
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}
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}
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/**
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* 发送邮件
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*
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* @param options 邮件选项
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* @returns 发送结果
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*/
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async sendEmail(options: EmailOptions): Promise<boolean> {
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try {
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const mailOptions = {
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from: this.configService.get<string>('EMAIL_FROM', '"Whale Town Game" <noreply@whaletown.com>'),
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to: options.to,
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subject: options.subject,
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html: options.html,
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text: options.text,
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};
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const result = await this.transporter.sendMail(mailOptions);
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// 如果是测试模式，输出邮件内容到控制台
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if ((this.transporter.options as any).streamTransport) {
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this.logger.log('=== 邮件发送（测试模式） ===');
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this.logger.log(`收件人: ${options.to}`);
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this.logger.log(`主题: ${options.subject}`);
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this.logger.log(`内容: ${options.text || '请查看HTML内容'}`);
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this.logger.log('========================');
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}
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this.logger.log(`邮件发送成功: ${options.to}`);
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return true;
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} catch (error) {
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this.logger.error(`邮件发送失败: ${options.to}`, error instanceof Error ? error.stack : String(error));
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return false;
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}
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}
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/**
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* 发送邮箱验证码
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*
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* @param options 验证码邮件选项
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* @returns 发送结果
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*/
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async sendVerificationCode(options: VerificationEmailOptions): Promise<boolean> {
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const { email, code, nickname, purpose } = options;
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let subject: string;
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let template: string;
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if (purpose === 'email_verification') {
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subject = '【Whale Town】邮箱验证码';
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template = this.getEmailVerificationTemplate(code, nickname);
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} else {
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subject = '【Whale Town】密码重置验证码';
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template = this.getPasswordResetTemplate(code, nickname);
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}
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return await this.sendEmail({
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to: email,
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subject,
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html: template,
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text: `您的验证码是：${code}，5分钟内有效，请勿泄露给他人。`
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});
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}
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/**
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* 发送欢迎邮件
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*
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* @param email 邮箱地址
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* @param nickname 用户昵称
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* @returns 发送结果
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*/
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async sendWelcomeEmail(email: string, nickname: string): Promise<boolean> {
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const subject = '🎮 欢迎加入 Whale Town！';
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const template = this.getWelcomeTemplate(nickname);
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return await this.sendEmail({
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to: email,
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subject,
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html: template,
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text: `欢迎 ${nickname} 加入 Whale Town 像素游戏世界！`
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});
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}
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/**
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* 获取邮箱验证模板
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*
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* @param code 验证码
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* @param nickname 用户昵称
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* @returns HTML模板
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*/
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private getEmailVerificationTemplate(code: string, nickname?: string): string {
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return `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>邮箱验证</title>
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<style>
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body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px; text-align: center; border-radius: 10px 10px 0 0; }
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.content { background: #f9f9f9; padding: 30px; border-radius: 0 0 10px 10px; }
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.code-box { background: #fff; border: 2px dashed #667eea; padding: 20px; text-align: center; margin: 20px 0; border-radius: 8px; }
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.code { font-size: 32px; font-weight: bold; color: #667eea; letter-spacing: 5px; }
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.footer { text-align: center; margin-top: 20px; color: #666; font-size: 12px; }
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.warning { background: #fff3cd; border: 1px solid #ffeaa7; padding: 15px; border-radius: 5px; margin: 20px 0; }
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>🐋 Whale Town</h1>
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<p>邮箱验证</p>
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</div>
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<div class="content">
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<h2>你好${nickname ? ` ${nickname}` : ''}！</h2>
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<p>感谢您注册 Whale Town 像素游戏！为了确保您的账户安全，请使用以下验证码完成邮箱验证：</p>
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<div class="code-box">
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<div class="code">${code}</div>
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<p style="margin: 10px 0 0 0; color: #666;">验证码</p>
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</div>
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<div class="warning">
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<strong>⚠️ 安全提醒：</strong>
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<ul style="margin: 10px 0 0 20px;">
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<li>验证码 5 分钟内有效</li>
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<li>请勿将验证码泄露给他人</li>
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<li>如非本人操作，请忽略此邮件</li>
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</ul>
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</div>
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<p>完成验证后，您就可以开始您的像素世界冒险之旅了！</p>
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</div>
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<div class="footer">
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<p>此邮件由系统自动发送，请勿回复</p>
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<p>© 2025 Whale Town Game. All rights reserved.</p>
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</div>
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</div>
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</body>
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</html>`;
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}
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/**
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* 获取密码重置模板
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*
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* @param code 验证码
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* @param nickname 用户昵称
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* @returns HTML模板
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*/
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private getPasswordResetTemplate(code: string, nickname?: string): string {
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return `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>密码重置</title>
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<style>
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body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.header { background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%); color: white; padding: 30px; text-align: center; border-radius: 10px 10px 0 0; }
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.content { background: #f9f9f9; padding: 30px; border-radius: 0 0 10px 10px; }
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.code-box { background: #fff; border: 2px dashed #ff6b6b; padding: 20px; text-align: center; margin: 20px 0; border-radius: 8px; }
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.code { font-size: 32px; font-weight: bold; color: #ff6b6b; letter-spacing: 5px; }
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.footer { text-align: center; margin-top: 20px; color: #666; font-size: 12px; }
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.warning { background: #fff3cd; border: 1px solid #ffeaa7; padding: 15px; border-radius: 5px; margin: 20px 0; }
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>🔐 密码重置</h1>
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<p>Whale Town 账户安全</p>
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</div>
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<div class="content">
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<h2>你好${nickname ? ` ${nickname}` : ''}！</h2>
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<p>我们收到了您的密码重置请求。请使用以下验证码来重置您的密码：</p>
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<div class="code-box">
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<div class="code">${code}</div>
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<p style="margin: 10px 0 0 0; color: #666;">密码重置验证码</p>
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</div>
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<div class="warning">
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<strong>🛡️ 安全提醒：</strong>
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<ul style="margin: 10px 0 0 20px;">
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<li>验证码 5 分钟内有效</li>
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<li>请勿将验证码泄露给他人</li>
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<li>如非本人操作，请立即联系客服</li>
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<li>重置密码后请妥善保管新密码</li>
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</ul>
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</div>
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<p>如果您没有请求重置密码，请忽略此邮件，您的账户仍然安全。</p>
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</div>
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<div class="footer">
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<p>此邮件由系统自动发送，请勿回复</p>
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<p>© 2025 Whale Town Game. All rights reserved.</p>
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</div>
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</div>
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</body>
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</html>`;
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}
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/**
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* 获取欢迎邮件模板
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*
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* @param nickname 用户昵称
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* @returns HTML模板
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*/
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private getWelcomeTemplate(nickname: string): string {
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return `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>欢迎加入 Whale Town</title>
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<style>
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body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.header { background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%); color: white; padding: 30px; text-align: center; border-radius: 10px 10px 0 0; }
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.content { background: #f9f9f9; padding: 30px; border-radius: 0 0 10px 10px; }
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.feature-box { background: #fff; padding: 20px; margin: 15px 0; border-radius: 8px; border-left: 4px solid #4ecdc4; }
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.footer { text-align: center; margin-top: 20px; color: #666; font-size: 12px; }
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>🎮 欢迎加入 Whale Town！</h1>
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<p>像素世界的冒险即将开始</p>
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</div>
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<div class="content">
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<h2>欢迎你，${nickname}！</h2>
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<p>恭喜您成功注册 Whale Town 像素游戏！您现在已经成为我们像素世界大家庭的一员了。</p>
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<div class="feature-box">
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<h3>🏗️ 建造与创造</h3>
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<p>在像素世界中建造您的梦想家园，发挥无限创意！</p>
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</div>
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<div class="feature-box">
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<h3>🤝 社交互动</h3>
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<p>与其他玩家交流互动，结交志同道合的朋友！</p>
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</div>
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<div class="feature-box">
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<h3>🎯 任务挑战</h3>
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<p>完成各种有趣的任务，获得丰厚的奖励！</p>
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</div>
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<p><strong>现在就开始您的像素冒险之旅吧！</strong></p>
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<p>如果您在游戏过程中遇到任何问题，随时可以联系我们的客服团队。</p>
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</div>
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<div class="footer">
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<p>祝您游戏愉快！</p>
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<p>© 2025 Whale Town Game. All rights reserved.</p>
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</div>
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</div>
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</body>
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</html>`;
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}
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/**
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* 验证邮件服务配置
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*
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* @returns 验证结果
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*/
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async verifyConnection(): Promise<boolean> {
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try {
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await this.transporter.verify();
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this.logger.log('邮件服务连接验证成功');
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return true;
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} catch (error) {
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this.logger.error('邮件服务连接验证失败', error instanceof Error ? error.stack : String(error));
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return false;
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}
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}
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} |