Node -Paypal Payment

paypal_payment.js

const c = require('chalk')
const fetch = require('node-fetch')
const inspect = require('util').inspect
const l = str => console.log(inspect( str, { depth: 'Infinite', colors: true }))

/*
Client ID

AXVggvfsNB7SfW_gZNZ7TenVbkW5pylY9s9W3U6edvw5JTRK7TvazrFSUnFc4bzW4xUgihfZCaPHhctH

Secret
EAN4vZfE1UYAvc6Xne70swlhlH40EGx-n_ThjikMwZTfqqOQw9NdJDRvul1GJPw2FZhJ3HZRAO5LhNmH
*/

/*
- get access token
curl -v https://api.sandbox.paypal.com/v1/oauth2/token \
	-H "Accept: application/json" \
	-H "Accept-Language: en_US" \
	-u "client_id:secret" \
	-d "grant_type=client_credentials"

https://stackoverflow.com/questions/20803339/basic-authorization-command-for-curl


https://developer.paypal.com/docs/integration/direct/make-your-first-call/
https://developer.paypal.com/docs/integration/direct/payments/credit-card-payments/
*/

async function getAccessToken(){

	const clientID = "AXVggvfsNB7SfW_gZNZ7TenVbkW5pylY9s9W3U6edvw5JTRK7TvazrFSUnFc4bzW4xUgihfZCaPHhctH"
	const secret = "EAN4vZfE1UYAvc6Xne70swlhlH40EGx-n_ThjikMwZTfqqOQw9NdJDRvul1GJPw2FZhJ3HZRAO5LhNmH"
	const authBase64 = new Buffer(`${clientID}:${secret}`).toString('base64')

	const response = await fetch('https://api.sandbox.paypal.com/v1/oauth2/token?grant_type=client_credentials', {
		method: "POST",
		headers: {
			"Accept": "application/json",
			"Accept-Language": "en_US",
			"Authorization": `Basic ${authBase64}`
		},
		body: {'grant_type':'client_credentials'}
	})

	if(response.ok){
		console.log(c.clue('access_token received'));
		const result = await response.json()
		return result.access_token
	}
	else {
		console.error('Auth error')
	}
}

async function makePayment(token){
	/*
	// curl -v https://api.sandbox.paypal.com/v1/payments/payment \
	// -H "Content-Type:application/json" \
	// -H "Authorization: Bearer Access-Token" \
	*/

	const paymentObject = {
		'intent': "sale",
		"payer": {
			"payment_method": "credit_card",
			"funding_instruments": [{
				"credit_card": {
					"number": "4032032647673208",
					"type": "visa",
					"expire_month": 8,
					"expire_year": 2022,
					"cvv2": "874",
					"first_name": "Ramses",
					"last_name": "Lopez",
					"billing_address": {
						"line1": "111 First Street",
						"city": "Saratoga",
						"state": "CA",
						"postal_code": "95070",
						"country_code": "US"
					}
				}
			}]
		},
		"transactions": [{
			"amount": {
				"total": "7.47",
				"currency": "USD",
				"details": {
					"subtotal": "7.41",
					"tax": "0.03",
					"shipping": "0.03"
				}
			},
			"description": "The payment transaction description."
		}]
	}

	console.log(c.blue('sending payment rq'))
	const response = await fetch('https://api.sandbox.paypal.com/v1/payments/payment', {
		method: 'POST',
		headers: {
			"Content-Type": "application/json",
			"Authorization": `Bearer ${token}`
		},
		body: JSON.stringify(paymentObject)
	})

	if(response.ok){
		l('payment response received')
		const result = await response.json()
		l(result)
	}
	else {
		console.log(c.red('response not OK!'), response.status, response.statusText);
	}
}

async function init(){
	console.log(c.blue('============================================='));
	try {
		const token = await getAccessToken()
		makePayment(token)
	} catch (e) {
		console.error(e);
	}
}

init()