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@@ -0,0 +1,77 @@
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+const express = require('express')
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+const app = express()
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+app.use(express.json())
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+const port = 3103
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+
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+var nodemailer = require("nodemailer");
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+var chalk = require("chalk");
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+
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+check_env_variables();
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+
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+app.get('/', (req, res) => {
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+ res.send("Mail Delivery Service");
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+})
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+
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+app.post('/send', (req, res) => {
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+ console.log(req.body);
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+ res.status(200).end();
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+ send_mail(req.body);
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+})
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+
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+app.listen(port, () => {
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+ console.log(`Mail Delivery Service listening at ${chalk.cyan(`http://localhost:${port}`)}`);
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+})
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+
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+var send_mail = function(msg_data) {
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+ var mail_msg = {
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+ to: msg_data.to,
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+ from: msg_data.from,
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+ subject: msg_data.subject,
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+ html: msg_data.message,
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+ }
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+ // create Nodemailer SES transporter
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+ var transporter = nodemailer.createTransport({
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+ host: process.env.AWS_SES_URL,
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+ port: 587,
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+ secure: false, // upgrade later with STARTTLS
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+ auth: {
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+ user: process.env.AWS_SES_SMTP_USERNAME,
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+ pass: process.env.AWS_SES_SMTP_PASSWORD
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+ }
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+ });
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+ transporter.sendMail(mail_msg, function (err, info) {
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+ if (err) {
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+ console.log("Error sending email");
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+ console.log(err);
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+ } else {
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+ console.log("Email sent successfully");
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+ console.log(info);
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+ }
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+ });
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+}
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+
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+// Some checking to see if environment variables are set on statup and show errors if not
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+var check_env_variables = function() {
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+ var env = process.env;
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+ var e = `${chalk.red(`ERROR:`)}`;
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+ if(env.AWS_SES_URL != "" && env.AWS_SES_URL != undefined){
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+ console.log(`Delivery server URL: ${chalk.green(`\'${env.AWS_SES_URL}\'`)}`);
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+ } else {
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+ var v = `${chalk.yellow(`\'AWS_SES_URL\'`)}`;
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+ console.log(`${e} AWS SES URL is missing. To fix this, add ${v} to the environment variables.`);
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+ }
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+ var has_username = env.AWS_SES_SMTP_USERNAME != "" && env.AWS_SES_SMTP_USERNAME != undefined;
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+ var has_password = env.AWS_SES_SMTP_PASSWORD != "" && env.AWS_SES_SMTP_PASSWORD != undefined;
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+ if(has_username && has_password){
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+ console.log(`AWS SES authentication is set with username: ${chalk.italic(env.AWS_SES_SMTP_USERNAME)}`);
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+ } else {
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+ if(!has_username){
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+ var v = `${chalk.yellow(`\'AWS_SES_SMTP_USERNAME\'`)}`;
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+ console.log(`${e} AWS SES needs a username. Add ${v} to the environment variables.`);
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+ }
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+ if(!has_password){
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+ var v = `${chalk.yellow(`\'AWS_SES_SMTP_PASSWORD\'`)}`;
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+ console.log(`${e} AWS SES needs a password. Add ${v} to the environment variables.`);
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+ }
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+ }
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+}
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