Tanya
a5838a8373
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- Added support for sending emails using SMTP configuration or Resend API as a fallback. - Updated environment variables in .env_example for SMTP settings. - Enhanced email confirmation process with improved error handling and fallback logic. - Introduced a test script to validate email sending configuration and functionality.
279 lines
9.6 KiB
TypeScript
279 lines
9.6 KiB
TypeScript
import crypto from 'crypto';
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import nodemailer from 'nodemailer';
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import { Resend } from 'resend';
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type EmailPayload = {
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to: string;
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subject: string;
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html: string;
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text?: string;
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};
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const resend = new Resend(process.env.RESEND_API_KEY);
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function getBaseUrl(): string {
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return process.env.NEXTAUTH_URL || process.env.NEXT_PUBLIC_APP_URL || 'http://localhost:3001';
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}
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function formatFromAddress(fromEmail: string, fromName?: string): string {
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if (!fromName) {
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return fromEmail;
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}
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return `${fromName} <${fromEmail}>`;
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}
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function getSmtpPort(): number {
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const port = Number(process.env.SMTP_PORT || '465');
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return Number.isNaN(port) ? 465 : port;
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}
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function getSmtpSecure(): boolean {
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return (process.env.SMTP_SECURE || 'true').toLowerCase() === 'true';
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}
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function hasSmtpConfig(): boolean {
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return Boolean(
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process.env.SMTP_HOST &&
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process.env.SMTP_USER &&
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process.env.SMTP_PASS
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);
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}
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async function sendViaSmtp(payload: EmailPayload): Promise<void> {
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const smtpHost = process.env.SMTP_HOST;
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const smtpUser = process.env.SMTP_USER;
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const smtpPass = process.env.SMTP_PASS;
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if (!smtpHost || !smtpUser || !smtpPass) {
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throw new Error('Missing SMTP configuration (SMTP_HOST, SMTP_USER, SMTP_PASS)');
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}
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const smtpFromEmail = process.env.SMTP_FROM_EMAIL || smtpUser;
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const smtpFromName = process.env.SMTP_FROM_NAME;
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const smtpReplyTo = process.env.SMTP_REPLY_TO || smtpFromEmail;
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const transporter = nodemailer.createTransport({
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host: smtpHost,
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port: getSmtpPort(),
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secure: getSmtpSecure(),
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auth: {
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user: smtpUser,
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pass: smtpPass,
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},
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});
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await transporter.sendMail({
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from: formatFromAddress(smtpFromEmail, smtpFromName),
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to: payload.to,
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replyTo: smtpReplyTo,
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subject: payload.subject,
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text: payload.text,
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html: payload.html,
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});
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}
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async function sendViaResend(payload: EmailPayload): Promise<void> {
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const fromEmail = process.env.RESEND_FROM_EMAIL || process.env.SMTP_FROM_EMAIL || 'onboarding@resend.dev';
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const fromName = process.env.RESEND_FROM_NAME || process.env.SMTP_FROM_NAME;
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const replyTo = process.env.RESEND_REPLY_TO || process.env.SMTP_REPLY_TO || fromEmail;
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const result = await resend.emails.send({
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from: formatFromAddress(fromEmail, fromName),
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to: payload.to,
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replyTo,
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subject: payload.subject,
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text: payload.text,
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html: payload.html,
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});
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if (result.error) {
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throw new Error(`Resend API error: ${result.error.message || 'Unknown error'}`);
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}
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}
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async function sendEmailWithFallback(payload: EmailPayload): Promise<void> {
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const provider = (process.env.EMAIL_PROVIDER || 'smtp').toLowerCase();
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if (provider == 'resend') {
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await sendViaResend(payload);
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return;
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}
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if (!hasSmtpConfig()) {
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await sendViaResend(payload);
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return;
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}
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try {
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await sendViaSmtp(payload);
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} catch (smtpError) {
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console.error('[EMAIL] SMTP send failed, trying Resend fallback:', smtpError);
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await sendViaResend(payload);
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}
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}
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export function generateEmailConfirmationToken(): string {
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return crypto.randomBytes(32).toString('hex');
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}
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export async function sendEmailConfirmation(
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email: string,
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name: string,
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token: string
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): Promise<void> {
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const confirmationUrl = `${getBaseUrl()}/api/auth/verify-email?token=${token}`;
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const html = `
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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>Confirm your email</title>
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</head>
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<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333; max-width: 600px; margin: 0 auto; padding: 20px;">
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<div style="background-color: #f8f9fa; padding: 30px; border-radius: 8px;">
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<h1 style="color: #2563eb; margin-top: 0;">Confirm your email address</h1>
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<p>Hi ${name},</p>
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<p>Thank you for signing up! Please confirm your email address by clicking the button below:</p>
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<div style="text-align: center; margin: 30px 0;">
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<a href="${confirmationUrl}" style="background-color: #2563eb; color: white; padding: 12px 24px; text-decoration: none; border-radius: 6px; display: inline-block; font-weight: bold;">Confirm Email Address</a>
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</div>
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<p>Or copy and paste this link into your browser:</p>
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<p style="word-break: break-all; color: #666; font-size: 14px;">${confirmationUrl}</p>
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<p style="margin-top: 30px; padding-top: 20px; border-top: 1px solid #e5e7eb; color: #6b7280; font-size: 14px;">
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If you didn't create an account, you can safely ignore this email.
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</p>
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</div>
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</body>
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</html>
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`;
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const text = `Hi ${name},
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Thank you for signing up. Please confirm your email address:
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${confirmationUrl}
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If you did not create this account, you can safely ignore this email.`;
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await sendEmailWithFallback({
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to: email,
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subject: 'Confirm your email address',
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html,
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text,
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});
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}
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export async function sendEmailConfirmationResend(
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email: string,
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name: string,
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token: string
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): Promise<void> {
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const confirmationUrl = `${getBaseUrl()}/api/auth/verify-email?token=${token}`;
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const html = `
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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>Confirm your email</title>
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</head>
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<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333; max-width: 600px; margin: 0 auto; padding: 20px;">
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<div style="background-color: #f8f9fa; padding: 30px; border-radius: 8px;">
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<h1 style="color: #2563eb; margin-top: 0;">Confirm your email address</h1>
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<p>Hi ${name},</p>
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<p>You requested a new confirmation email. Please confirm your email address by clicking the button below:</p>
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<div style="text-align: center; margin: 30px 0;">
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<a href="${confirmationUrl}" style="background-color: #2563eb; color: white; padding: 12px 24px; text-decoration: none; border-radius: 6px; display: inline-block; font-weight: bold;">Confirm Email Address</a>
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</div>
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<p>Or copy and paste this link into your browser:</p>
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<p style="word-break: break-all; color: #666; font-size: 14px;">${confirmationUrl}</p>
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<p style="margin-top: 30px; padding-top: 20px; border-top: 1px solid #e5e7eb; color: #6b7280; font-size: 14px;">
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This link will expire in 24 hours. If you didn't request this email, you can safely ignore it.
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</p>
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</div>
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</body>
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</html>
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`;
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const text = `Hi ${name},
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You requested a new confirmation email. Please confirm your email address:
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${confirmationUrl}
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This link expires in 24 hours. If you did not request this, you can ignore this email.`;
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await sendEmailWithFallback({
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to: email,
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subject: 'Confirm your email address',
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html,
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text,
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});
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}
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export function generatePasswordResetToken(): string {
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return crypto.randomBytes(32).toString('hex');
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}
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export async function sendPasswordResetEmail(
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email: string,
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name: string,
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token: string
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): Promise<void> {
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const resetUrl = `${getBaseUrl()}/reset-password?token=${token}`;
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const text = `Hi ${name},
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You requested to reset your password. Click the link below to create a new password:
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${resetUrl}
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This link will expire in 1 hour.
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If you didn't request a password reset, you can safely ignore this email.
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Best regards,
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PunimTag Viewer Team`;
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const html = `
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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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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Reset your password</title>
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</head>
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<body style="font-family: Arial, sans-serif; line-height: 1.6; color: #333; max-width: 600px; margin: 0 auto; padding: 20px; background-color: #ffffff;">
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<div style="background-color: #f8f9fa; padding: 30px; border-radius: 8px; border: 1px solid #e5e7eb;">
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<h1 style="color: #2563eb; margin-top: 0; font-size: 24px;">Reset your password</h1>
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<p style="font-size: 16px;">Hi ${name},</p>
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<p style="font-size: 16px;">You requested to reset your password for your PunimTag Viewer account. Click the button below to create a new password:</p>
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<div style="text-align: center; margin: 30px 0;">
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<a href="${resetUrl}" style="background-color: #2563eb; color: white; padding: 14px 28px; text-decoration: none; border-radius: 6px; display: inline-block; font-weight: bold; font-size: 16px;">Reset Password</a>
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</div>
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<p style="font-size: 14px; color: #666;">Or copy and paste this link into your browser:</p>
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<p style="word-break: break-all; color: #666; font-size: 14px; background-color: #ffffff; padding: 10px; border-radius: 4px; border: 1px solid #e5e7eb;">${resetUrl}</p>
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<p style="margin-top: 30px; padding-top: 20px; border-top: 1px solid #e5e7eb; color: #6b7280; font-size: 14px;">
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<strong>Important:</strong> This link will expire in 1 hour for security reasons.
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</p>
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<p style="color: #6b7280; font-size: 14px;">
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If you didn't request a password reset, you can safely ignore this email. Your password will remain unchanged.
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</p>
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<p style="margin-top: 30px; padding-top: 20px; border-top: 1px solid #e5e7eb; color: #9ca3af; font-size: 12px;">
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This is an automated message from PunimTag Viewer. Please do not reply to this email.
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</p>
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</div>
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</body>
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</html>
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`;
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await sendEmailWithFallback({
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to: email,
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subject: 'Reset your password - PunimTag Viewer',
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text,
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html,
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});
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}
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