Created
September 19, 2024 22:29
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A Simple Demo using Google reCAPTCHA with Express, lovingly coaxed out of GPT4o with a heavy hand.
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| const express = require('express'); | |
| const AsyncRouter = require('@root/async-router'); | |
| const fetch = require('node-fetch'); // For making external API requests | |
| const app = AsyncRouter.Router(); | |
| // Secret key for reCAPTCHA | |
| const RECAPTCHA_SECRET_KEY = 'YOUR_SECRET_KEY'; | |
| app.post('/api/process-payment', async (req, res) => { | |
| const { captcha, creditcard } = req.body; | |
| if (!captcha) { | |
| const error = new Error('CAPTCHA token is missing'); | |
| error.status = 400; | |
| error.code = 'CAPTCHA_MISSING'; | |
| throw error; | |
| } | |
| // Verify the CAPTCHA with Google | |
| const verifyUrl = `https://www.google.com/recaptcha/api/siteverify?secret=${RECAPTCHA_SECRET_KEY}&response=${captcha}`; | |
| const response = await fetch(verifyUrl, { method: 'POST' }); | |
| const captchaResult = await response.json(); | |
| if (!captchaResult.success) { | |
| const error = new Error('CAPTCHA verification failed'); | |
| error.status = 403; | |
| error.code = 'CAPTCHA_FAILED'; | |
| throw error; | |
| } | |
| // Call your payment processing logic here, e.g.: | |
| const paymentResult = processPayment(creditcard); | |
| if (!paymentResult) { | |
| const error = new Error('Payment failed'); | |
| error.status = 402; | |
| error.code = 'PAYMENT_FAILED'; | |
| throw error; | |
| } | |
| return res.json({ success: true, message: 'Payment processed successfully' }); | |
| }); | |
| // Payment processing function (replace with actual logic) | |
| function processPayment(creditcard) { | |
| // Add your payment processing logic here | |
| return true; // Return true if payment is successful, false otherwise | |
| } | |
| // Global Error Handler | |
| app.use(function async (err, req, res, next) { | |
| res.status(err.status || 500); | |
| res.json({ | |
| message: err.message, | |
| code: err.code || 'INTERNAL_SERVER_ERROR', | |
| status: err.status || 500, | |
| }); | |
| }); | |
| // Start server | |
| const PORT = process.env.PORT || 3000; | |
| app.listen(PORT, () => { | |
| console.log(`Server is running on port ${PORT}`); | |
| }); |
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