index.js

// This example uses Express to receive webhooks
// https://stackoverflow.com/questions/27599614/var-express-requireexpress-var-app-express-what-is-express-is-it
const express = require('express')
const app = express()

// Instantiating formsg-sdk without parameters default to using the package's
// production public signing key.
const formsg = require('@opengovsg/formsg-sdk')()

// This is where your domain is hosted, and should match
// the URI supplied to FormSG in the form dashboard
const POST_URI = 'https://qx5aa8.deta.dev/submissions'

// Your form's secret key downloaded from FormSG upon form creation
const formSecretKey = process.env.FORM_SECRET_KEY

// Set to true if you need to download and decrypt attachments from submissions
const HAS_ATTACHMENTS = false

app.post(
    '/submissions',
    // Endpoint authentication by verifying signatures
    function (req, res, next) {
        try {
            formsg.webhooks.authenticate(req.get('X-Formsg-Signature'), POST_URI)
            // Continue processing the POST body
            return next()
        } catch (e) {
            return next()
            // return res.status(401).send({ message: 'Unauthorized' })
        }
    },
    // Parse JSON from raw request body
    express.json(),
    // Decrypt the submission
    async function (req, res, next) {
        // If `verifiedContent` is provided in `req.body.data`, the return object
        // will include a verified key.
        const submission = HAS_ATTACHMENTS
            ? await formsg.crypto.decryptWithAttachments(formSecretKey, req.body.data)
            : formsg.crypto.decrypt(formSecretKey, req.body.data)

        // If the decryption failed, submission will be `null`.
        if (submission) {
            const nodemailer = require('nodemailer');
            try {
                console.log(require.resolve("nodemailer"));
            } catch (e) {
                console.error("nodemailer is not found");
                process.exit(e.code);
            }
            console.log('Nodemailer is running')
            const msg = {
                from: "nikkiyongkf@gmail.com",
                to: "bryanongwenxi@gmail.com",
                subject: "Nodemailer Testing",
                text: "Testing" + JSON.stringify(submission)
            }
            const transporter = nodemailer.createTransport({
                service: "gmail",
                auth: {
                    user: "nikkiyongkf@gmail.com",
                    pass: "lhlkykbactdagjme"
                },
                port: 587,
                host: 'smtp.gmail.com',
                // secure: true
            })
                .sendMail(msg, (err) => {
                    if (err) {
                        return console.log('Error occurs', err);
                    } else {
                        return console.log('Email sent!');
                    }
                })

            console.log('This is submission' + JSON.stringify(submission))
            return res.status(200).send({ message: 'See console for submission!' })
            // Continue processing the submission
        } else {
            // console.log('This is submission' + JSON.stringify(submission))
            return res.status(200).send({ message: 'Could not decrypt the submission' })
            // Could not decrypt the submission
        }
    }
)

module.exports = app;









// app.get('/', async (req, res) => {
//     res.send('Hello World'),
//     const nodemailer = require('nodemailer');
//             try {
//                 console.log(require.resolve("nodemailer"));
//             } catch (e) {
//                 console.error("nodemailer is not found");
//                 process.exit(e.code);
//             }
//             console.log('Nodemailer is running')
//             const msg = {
//                 from: "nikkiyongkf@gmail.com",
//                 to: "bryanongwenxi@gmail.com",
//                 subject: "Nodemailer Testing",
//                 text: "Testing" + JSON.stringify(submission)
//             }
//             const transporter = nodemailer.createTransport({
//                 service: "gmail",
//                 auth: {
//                     user: "nikkiyongkf@gmail.com",
//                     pass: "lhlkykbactdagjme"
//                 },
//                 port: 587,
//                 host: 'smtp.gmail.com',
//                 // secure: true
// });