recaptcha_v3_endpoint.py

recaptcha_v3.py

# minimally viable recaptcha v3 lambda
# jeffehobbs@gmail.com

from flask import Flask, Response, request, jsonify
from flask_cors import CORS
import requests

SECRET_KEY = 'your_recaptcha_v3_server_side_token'

app = Flask(__name__)
CORS(app)

@app.route('/')
def index():
	response = jsonify(success=True)
	return response

@app.route('/verify', methods=['GET', 'POST'])
def get_token():
	if request.method == 'POST':
		token = request.form['g-recaptcha-response']
	else:
		token = request.args.get('token')
	response = verify_token(token)
	return(jsonify(response))

def verify_token(token):
	api_url = 'https://www.google.com/recaptcha/api/siteverify'
	data = {'secret': SECRET_KEY, 'response': token}
	r = requests.post(api_url, data=data)
	return(r.json())

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5000, debug=True)