mail-proxy/index.js
Ferit Yiğit BALABAN f697f59487
more Abdullah
Signed-off-by: Ferit Yiğit BALABAN <fyb@fybx.dev>
2024-03-19 00:58:10 +03:00

103 lines
2.5 KiB
JavaScript

const express = require('express');
const cors = require('cors');
const helmet = require('helmet');
const rateLimit = require('express-rate-limit');
const nodemailer = require('nodemailer');
const morgan = require('morgan');
const app = express();
const ENV = process.env.ENVIRONMENT || 'TEST';
const SENDER_EMAIL = process.env.EMAIL;
const SENDER_PASS = process.env.EMAIL_PASSWORD;
const SERV_HOST = process.env.EMAIL_HOST;
const SERV_PORT = process.env.EMAIL_PORT;
const allowedOrigins = process.env.ALLOWED_ORIGINS.split(',');
app.enable('trust proxy');
app.disable('x-powered-by');
app.use(express.json());
app.use(helmet());
app.use(
morgan(
'[ :method :url ] ~:status | :date[web] | :total-time[digits] ms | IP :remote-addr | :user-agent'
)
)
// 10 requests per minute
const rootLimiter = rateLimit({
windowMs: 60 * 1000,
max: 10,
});
app.use('/', rootLimiter);
app.use(
cors({
origin: function (origin, callback) {
if (origin && allowedOrigins.includes(origin)) {
callback(null, true);
} else {
callback(new Error(`Origin ${origin} is not allowed by CORS!`));
console.warn(`Connection refused: origin ${origin} is not allowed by CORS!`);
}
},
})
);
app.use((req, res, next) => {
const origin = req.headers.origin;
if (origin && allowedOrigins.includes(origin)) {
next();
} else {
res.status(403).json({ success: false, message: `Origin ${origin} is not allowed` });
console.warn(`Connection refused: origin ${origin} is not allowed`);
}
});
const transporter = nodemailer.createTransport({
host: SERV_HOST,
port: SERV_PORT,
secure: true,
auth: {
user: SENDER_EMAIL,
pass: SENDER_PASS,
},
});
// 2 requests per 5 minutes
const mailRouteLimiter = rateLimit({
windowMs: 5 * 60 * 1000,
max: 2,
});
app.post('/api/mail', mailRouteLimiter, (req, res) => {
const { to, subject, text } = req.body;
const mail = {
from: `"Arbeit Mail Hizmeti" <${SENDER_EMAIL}>`,
to,
replyTo: 'noreply@arbeit.studio',
subject,
text,
};
if (ENV === 'PROD') {
if (transporter.sendMail(mail)) {
console.info('Sent something:', mail);
res.status(200).json({ success: true, message: 'Mail sent successfully!' });
} else {
console.error('Failed to send:', mail);
res.status(500).json({ success: false, message: 'Mail could not be sent!' });
};
} else res.status(200).json(mail);
});
app.get('/api/hello', (req, res) => {
res.status(200).json({ message: 'Hello, World!' });
});
app.listen(3313, () => {
console.log('Server up on 3313');
});