176 lines
4 KiB
TypeScript
176 lines
4 KiB
TypeScript
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import * as nodemailer from 'nodemailer';
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import { Inject, Injectable } from '@nestjs/common';
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import { validate as validateEmail } from 'deep-email-validator';
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import { MetaService } from '@/core/MetaService.js';
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import { DI } from '@/di-symbols.js';
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import { Config } from '@/config.js';
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import Logger from '@/logger.js';
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import { UserProfilesRepository } from '@/models/index.js';
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@Injectable()
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export class EmailService {
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#logger: Logger;
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constructor(
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@Inject(DI.config)
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private config: Config,
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@Inject(DI.userProfilesRepository)
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private userProfilesRepository: UserProfilesRepository,
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private metaService: MetaService,
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) {
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this.#logger = new Logger('email');
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}
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public async sendEmail(to: string, subject: string, html: string, text: string) {
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const meta = await this.metaService.fetch(true);
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const iconUrl = `${this.config.url}/static-assets/mi-white.png`;
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const emailSettingUrl = `${this.config.url}/settings/email`;
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const enableAuth = meta.smtpUser != null && meta.smtpUser !== '';
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const transporter = nodemailer.createTransport({
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host: meta.smtpHost,
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port: meta.smtpPort,
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secure: meta.smtpSecure,
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ignoreTLS: !enableAuth,
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proxy: this.config.proxySmtp,
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auth: enableAuth ? {
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user: meta.smtpUser,
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pass: meta.smtpPass,
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} : undefined,
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} as any);
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try {
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// TODO: htmlサニタイズ
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const info = await transporter.sendMail({
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from: meta.email!,
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to: to,
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subject: subject,
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text: text,
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html: `<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>${ subject }</title>
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<style>
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html {
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background: #eee;
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}
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body {
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padding: 16px;
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margin: 0;
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font-family: sans-serif;
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font-size: 14px;
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}
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a {
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text-decoration: none;
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color: #86b300;
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}
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a:hover {
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text-decoration: underline;
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}
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main {
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max-width: 500px;
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margin: 0 auto;
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background: #fff;
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color: #555;
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}
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main > header {
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padding: 32px;
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background: #86b300;
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}
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main > header > img {
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max-width: 128px;
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max-height: 28px;
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vertical-align: bottom;
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}
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main > article {
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padding: 32px;
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}
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main > article > h1 {
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margin: 0 0 1em 0;
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}
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main > footer {
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padding: 32px;
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border-top: solid 1px #eee;
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}
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nav {
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box-sizing: border-box;
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max-width: 500px;
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margin: 16px auto 0 auto;
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padding: 0 32px;
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}
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nav > a {
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color: #888;
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}
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</style>
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</head>
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<body>
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<main>
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<header>
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<img src="${ meta.logoImageUrl ?? meta.iconUrl ?? iconUrl }"/>
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</header>
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<article>
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<h1>${ subject }</h1>
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<div>${ html }</div>
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</article>
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<footer>
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<a href="${ emailSettingUrl }">${ 'Email setting' }</a>
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</footer>
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</main>
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<nav>
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<a href="${ this.config.url }">${ this.config.host }</a>
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</nav>
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</body>
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</html>`,
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});
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this.#logger.info(`Message sent: ${info.messageId}`);
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} catch (err) {
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this.#logger.error(err as Error);
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throw err;
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}
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}
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public async validateEmailForAccount(emailAddress: string): Promise<{
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available: boolean;
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reason: null | 'used' | 'format' | 'disposable' | 'mx' | 'smtp';
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}> {
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const meta = await this.metaService.fetch();
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const exist = await this.userProfilesRepository.countBy({
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emailVerified: true,
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email: emailAddress,
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});
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const validated = meta.enableActiveEmailValidation ? await validateEmail({
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email: emailAddress,
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validateRegex: true,
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validateMx: true,
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validateTypo: false, // TLDを見ているみたいだけどclubとか弾かれるので
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validateDisposable: true, // 捨てアドかどうかチェック
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validateSMTP: false, // 日本だと25ポートが殆どのプロバイダーで塞がれていてタイムアウトになるので
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}) : { valid: true };
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const available = exist === 0 && validated.valid;
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return {
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available,
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reason: available ? null :
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exist !== 0 ? 'used' :
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validated.reason === 'regex' ? 'format' :
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validated.reason === 'disposable' ? 'disposable' :
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validated.reason === 'mx' ? 'mx' :
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validated.reason === 'smtp' ? 'smtp' :
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null,
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};
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}
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}
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