import nodemailer from 'nodemailer'; import '@std/dotenv/load'; import { escapeHtml } from '/public/ts/utils/misc.ts'; import { AppConfig } from '/lib/config.ts'; const SMTP_USERNAME = Deno.env.get('SMTP_USERNAME') || ''; const SMTP_PASSWORD = Deno.env.get('SMTP_PASSWORD') || ''; export class EmailModel { private static async send(to: string, subject: string, htmlBody: string, textBody: string) { const emailConfig = await AppConfig.getEmailConfig(); if (!emailConfig.from || !emailConfig.host || !emailConfig.port) { throw new Error('config.email.from, config.email.host, or config.email.port is not set'); } let tlsMode = emailConfig.tlsMode; if (tlsMode === 'auto') { tlsMode = Number(emailConfig.port) === 465 ? 'immediate' : 'starttls'; } const transporterConfig = { host: emailConfig.host, port: emailConfig.port, secure: tlsMode === 'immediate', requireTLS: tlsMode === 'starttls', ignoreTLS: tlsMode === 'none', tls: emailConfig.tlsVerify === false ? { rejectUnauthorized: false } : emailConfig.tlsVerify !== true ? { servername: emailConfig.tlsVerify } : {}, auth: (SMTP_USERNAME || SMTP_PASSWORD) ? { user: SMTP_USERNAME, pass: SMTP_PASSWORD, } : null, }; const transporter = nodemailer.createTransport(transporterConfig); const mailOptions = { from: emailConfig.from, to, subject, html: htmlBody, text: textBody, }; try { await transporter.sendMail(mailOptions); console.log(`Email sent to "${to}", "${subject}"`); } catch (error) { console.log(error); throw new Error(`Failed to send email to "${to}", "${subject}"`); } } /** Based off of https://github.com/ActiveCampaign/postmark-templates/tree/main/templates-inlined/basic/password-reset */ private static getHtmlBody(title: string, htmlBody: string) { return ` ${escapeHtml(title)} ${escapeHtml(title)} `; } static async sendVerificationEmail( email: string, verificationCode: string, ) { const emailTitle = 'Verify your email in bewCloud'; const textBody = ` ${emailTitle} ------------------------ You or someone who knows your email is trying to verify it in bewCloud. Here's the verification code: **${verificationCode}** =============================== This code will expire in 30 minutes. `; const htmlBody = this.getHtmlBody( emailTitle, `

${escapeHtml(emailTitle)}

You or someone who knows your email is trying to verify it in bewCloud.

Here's the verification code:

This code will expire in 30 minutes.

`, ); await this.send(email, emailTitle, htmlBody, textBody); } static async sendLoginVerificationEmail( email: string, verificationCode: string, ) { const emailTitle = 'Verify your login in bewCloud'; const textBody = ` ${emailTitle} ------------------------ You or someone who knows your email and password is trying to login to bewCloud. Here's the verification code: **${verificationCode}** =============================== This code will expire in 30 minutes. `; const htmlBody = this.getHtmlBody( emailTitle, `

${escapeHtml(emailTitle)}

You or someone who knows your email and password is trying to login to bewCloud.

Here's the verification code:

This code will expire in 30 minutes.

`, ); await this.send(email, emailTitle, htmlBody, textBody); } }