2023-2024 refresh

app.js

@@ -1,18 +1,36 @@
 const express = require('express');
 const cors = require('cors');
+const cookieParser = require('cookie-parser'); // FIXME: Keep only if using cookies
+const schedule = require('node-schedule'); // FIXME: Keep only if scheduling cronjobs
+
+// Routes
+const sampleRouter = require('./routes/sample'); // FIXME: delete sample router
 
 require('dotenv').config();
 
+schedule.scheduleJob('0 0 0 0 0', () => console.log('Hello Cron Job!')); // FIXME: delete sample cronjob
+
 const app = express();
 
-const PORT = process.env.PORT || 3001;
+const CLIENT_HOSTNAME = process.env.NODE_ENV === 'development' ?
+  `${process.env.DEV_CLIENT_HOSTNAME}:${process.env.DEV_CLIENT_PORT}`
+  : process.env.PROD_CLIENT_HOSTNAME;
+const SERVER_PORT = process.env.NODE_ENV === 'development' ?
+  process.env.DEV_SERVER_PORT
+  : process.env.PROD_SERVER_PORT;
 
 app.use(
   cors({
-    origin: `${process.env.REACT_APP_HOST}:${process.env.REACT_APP_PORT}`,
+    origin: CLIENT_HOSTNAME,
   }),
 );
 
-app.listen(PORT, () => {
-  console.log(`Server listening on ${PORT}`);
+app.use(cookieParser());
+
+app.use(express.json()); // for req.body
+app.use('/', sampleRouter); // FIXME: delete sample endpoint
+
+app.listen(SERVER_PORT, () => {
+  console.log(`Server listening on ${SERVER_PORT}`);
 });
+

common/s3.js

@@ -0,0 +1,45 @@
+// FIXME: keep file only if using s3 file upload
+
+const aws = require('aws-sdk');
+const crypto = require('crypto');
+
+const region = process.env.NODE_ENV === 'development' ?
+  process.env.DEV_S3_REGION
+  : process.env.PROD_S3_REGION;
+const accessKeyId = process.env.NODE_ENV === 'development' ?
+  process.env.DEV_S3_ACCESS_KEY_ID
+  : process.env.PROD_S3_ACCESS_KEY_ID;
+const secretAccessKey = process.env.NODE_ENV === 'development' ?
+  process.env.DEV_SECRET_ACCESS_KEY
+  : process.env.PROD_S3_SECRET_ACCESS_KEY;
+
+// initialize a S3 instance
+const s3 = new aws.S3({
+  region,
+  accessKeyId,
+  secretAccessKey,
+  signatureVersion: 'v4',
+});
+
+const getS3UploadURL = async () => {
+  // generate a unique name for image
+  const imageName = crypto.randomBytes(16).toString('hex');
+
+  // set up s3 params
+  const params = {
+    Bucket: process.env.S3_BUCKET_NAME,
+    Key: imageName,
+    Expires: 60,
+  };
+
+  // get a s3 upload url
+  const uploadURL = await s3.getSignedUrl('putObject', params);
+
+  return uploadURL;
+};
+
+module.exports = {
+  s3,
+  getS3UploadURL,
+};
+

common/transporter.js

@@ -0,0 +1,30 @@
+// FIXME: keep file only if using nodemailer
+
+const nodemailer = require('nodemailer');
+
+require('dotenv').config();
+
+const user = process.env.NODE_ENV === 'development' ?
+  process.env.DEV_EMAIL_USERNAME
+  : process.env.PROD_EMAIL_USERNAME;
+const pass = process.env.NODE_ENV === 'development' ?
+  process.env.DEV_EMAIL_PASSWORD
+  : process.env.PROD_EMAIL_PASSWORD;
+const emailSender = process.env.NODE_ENV === 'development' ?
+  `${process.env.DEV_EMAIL_FIRSTNAME} ${process.env.DEV_EMAIL_LASTNAME}`
+  : `${process.env.PROD_EMAIL_FIRSTNAMS} ${process.env.DEV_EMAIL_LASTNAME}`;
+
+// sender information
+const transport = {
+  host: 'smtp.gmail.com', // e.g. smtp.gmail.com
+  auth: {
+    user,
+    pass,
+  },
+  from: user,
+  secure: true,
+};
+
+const transporter = nodemailer.createTransport(transport);
+
+module.exports = { transporter, emailSender };