99 lines
3.0 KiB
JavaScript
99 lines
3.0 KiB
JavaScript
/**
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* Stripe Checkout Session API
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* Deploy as standalone Node.js server.
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*
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* Environment: STRIPE_SECRET_KEY, FRONTEND_URL
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*/
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const http = require('http')
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const https = require('https')
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const STRIPE_SECRET_KEY = process.env.STRIPE_SECRET_KEY
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const FRONTEND_URL = process.env.FRONTEND_URL || 'https://git.fdsa.agency'
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const PORT = process.env.PORT || 8787
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function createCheckoutSession(priceId, mode, email) {
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return new Promise((resolve, reject) => {
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const data = new URLSearchParams({
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mode: mode || 'payment',
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success_url: `${FRONTEND_URL}/checkout/success`,
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cancel_url: `${FRONTEND_URL}/checkout/cancel`,
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allow_promotion_codes: 'true',
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'line_items[0][price]': priceId,
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'line_items[0][quantity]': '1',
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})
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if (email) data.set('customer_email', email)
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const options = {
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hostname: 'api.stripe.com',
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path: '/v1/checkout/sessions',
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method: 'POST',
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headers: {
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'Authorization': `Bearer ${STRIPE_SECRET_KEY}`,
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'Content-Type': 'application/x-www-form-urlencoded',
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'Content-Length': data.toString().length,
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},
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}
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const req = https.request(options, (res) => {
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let body = ''
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res.on('data', chunk => body += chunk)
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res.on('end', () => {
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try { resolve({ status: res.statusCode, body: JSON.parse(body) }) }
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catch { resolve({ status: res.statusCode, body: { error: { message: body } } }) }
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})
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})
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req.on('error', reject)
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req.write(data.toString())
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req.end()
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})
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}
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const server = http.createServer(async (req, res) => {
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res.setHeader('Access-Control-Allow-Origin', '*')
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res.setHeader('Access-Control-Allow-Methods', 'POST, OPTIONS')
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res.setHeader('Access-Control-Allow-Headers', 'Content-Type')
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if (req.method === 'OPTIONS') {
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res.writeHead(204)
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res.end()
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return
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}
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if (req.method !== 'POST') {
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res.writeHead(405, { 'Content-Type': 'application/json' })
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res.end(JSON.stringify({ error: 'Method not allowed' }))
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return
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}
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if (!STRIPE_SECRET_KEY) {
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res.writeHead(500, { 'Content-Type': 'application/json' })
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res.end(JSON.stringify({ error: 'Stripe not configured' }))
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return
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}
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let body = ''
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req.on('data', chunk => body += chunk)
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req.on('end', async () => {
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try {
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const { price_id, mode, customer_email } = JSON.parse(body)
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const result = await createCheckoutSession(price_id, mode, customer_email)
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if (result.status === 200) {
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res.writeHead(200, { 'Content-Type': 'application/json' })
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res.end(JSON.stringify({ url: result.body.url, session_id: result.body.id }))
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} else {
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res.writeHead(result.status, { 'Content-Type': 'application/json' })
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res.end(JSON.stringify({ error: result.body.error?.message || 'Stripe error' }))
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}
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} catch (e) {
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res.writeHead(400, { 'Content-Type': 'application/json' })
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res.end(JSON.stringify({ error: e.message }))
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}
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})
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})
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server.listen(PORT, () => {
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console.log(`Checkout API running on :${PORT}`)
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})
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