215 lines
8.4 KiB
Python
215 lines
8.4 KiB
Python
import binascii
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import json
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import requests
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from decouple import config
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from flask import Flask, request
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from flask_restful import Resource, Api
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from pyotp import TOTP
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from config import etcd_client as client, logging, APP_PORT
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from stripe_utils import StripeUtils
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app = Flask(__name__)
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api = Api(app)
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def check_otp(name, realm, token):
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try:
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data = {
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"auth_name": config("AUTH_NAME", ""),
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"auth_token": TOTP(config("AUTH_SEED", "")).now(),
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"auth_realm": config("AUTH_REALM", ""),
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"name": name,
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"realm": realm,
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"token": token,
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}
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except binascii.Error:
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return 400
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response = requests.post(
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"{OTP_SERVER}{OTP_VERIFY_ENDPOINT}".format(
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OTP_SERVER=config("OTP_SERVER", ""),
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OTP_VERIFY_ENDPOINT=config("OTP_VERIFY_ENDPOINT", "verify/"),
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),
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data=data,
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)
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return response.status_code
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class ListProducts(Resource):
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@staticmethod
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def get():
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products = client.get_prefix("/v1/products/", value_in_json=False)
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prod_dict = {}
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for p in products:
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prod_dict[p.key] = json.loads(p.value)
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logging.debug("Products = {}".format(prod_dict))
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return prod_dict, 200
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class AddProduct(Resource):
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@staticmethod
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def post():
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data = request.json
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logging.debug("Got data: {}".format(str(data)))
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otp_response = check_otp(data["name"], data["realm"],
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data["token"])
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if otp_response != 200:
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return {"message": "Wrong Credentials"}, 403
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try:
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product_key = "/v1/products/"
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product_value = {
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"name": data["product_name"],
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"description": data["product_description"],
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"type": data["product_type"],
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"price": data["product_price"],
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"recurring_duration": data["product_recurring_duration"],
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"recurring_duration_units":
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data["product_recurring_duration_units"]
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}
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logging.debug("Adding product data: {}".format(str(product_value)))
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client.put(product_key, product_value, value_in_json=True)
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return {"message":
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"Product {} created".format(data['product_name'])}, 200
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except KeyError as ke:
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logging.error("KeyError occurred. details = {}".format(str(ke)))
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return {"message":
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"Missing or wrong parameters"}, 400
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class UserRegisterPayment(Resource):
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@staticmethod
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def get_token(card_number, cvc, exp_month, exp_year):
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stripe_utils = StripeUtils()
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token_response = stripe_utils.get_token_from_card(
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card_number, cvc, exp_month, exp_year
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)
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if token_response["response_object"]:
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return token_response["response_object"].id
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else:
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return None
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@staticmethod
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def post():
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try:
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data = request.json
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logging.debug("Got data: {}".format(str(data)))
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otp_response = check_otp(data["name"], data["realm"],
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data["token"])
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last4 = data['card_number'].strip()[-4:]
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if otp_response != 200:
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return {"message": "Wrong Credentials"}, 403
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stripe_utils = StripeUtils()
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# Does customer already exist ?
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stripe_customer = stripe_utils.get_stripe_customer_from_email(
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data["email"])
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# Does customer already exist ?
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if stripe_customer is not None:
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logging.debug(
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"Customer {} exists already".format(data['email'])
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)
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# Check if the card already exists
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ce_response = stripe_utils.card_exists(
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stripe_customer.id, cc_number=data["card_number"],
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exp_month=int(data["expiry_month"]),
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exp_year=int(data["expiry_year"]),
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cvc=data["cvc"])
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if ce_response["response_object"]:
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message = ("The given card ending in "
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"{} exists already.").format(last4)
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logging.debug(message)
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return { "message": message }, 400
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elif ce_response["response_object"] is False:
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# Associate card with user
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logging.debug("Adding card ending in {}".format(last4))
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token_response = stripe_utils.get_token_from_card(
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data["card_number"], data["cvc"], data["expiry_month"],
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data["expiry_year"]
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)
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if token_response["response_object"]:
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logging.debug(
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"Token {}".format(
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token_response["response_object"].id
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)
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)
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resp = stripe_utils.associate_customer_card(
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stripe_customer.id,
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token_response["response_object"].id
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)
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if resp["response_object"]:
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return {"message":
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"Card ending in {} registered as your payment "
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"source".format(last4)
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}, 200
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else:
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logging.error("Could not obtain token")
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return {"message": "Error with payment gateway. "
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"Contact support"}, 400
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else:
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logging.error(
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"Error occurred {}".format(ce_response["error"])
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)
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return {"message": "Error: {}".format(
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ce_response["error"]
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)}, 400
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else:
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# Stripe customer does not exist, create a new one
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logging.debug(
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"Customer {} does not exist, "
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"creating new".format(data['email'])
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)
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token_response = stripe_utils.get_token_from_card(
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data["card_number"], data["cvc"], data["expiry_month"],
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data["expiry_year"]
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)
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if token_response["response_object"]:
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logging.debug(
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"Token {}".format(
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token_response["response_object"].id))
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#Create stripe customer
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stripe_customer_resp = stripe_utils.create_customer(
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name=data["card_holder_name"],
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token=token_response["response_object"].id,
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email=data["email"]
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)
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if stripe_customer_resp["response_object"]:
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logging.debug(
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"Created stripe customer {}".format(
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stripe_customer_resp["response_object"].id
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)
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)
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stripe_customer = stripe_customer_resp[
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"response_object"]
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return {"message":
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"Card ending in {} registered as your payment "
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"source".format(last4)
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}, 200
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else:
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logging.error("Could not get/create stripe_customer "
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"for {}".format(data["email"]))
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return {"message":
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"Error with card. Contact support"}, 400
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else:
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logging.error("Could not obtain token")
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return {"message": "Error with payment gateway. "
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"Contact support"}, 400
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except KeyError as key_error:
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logging.error("Key error occurred")
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logging.error(str(key_error))
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return {"message": "Missing or wrong parameters"}, 400
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api.add_resource(ListProducts, "/product/list")
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api.add_resource(AddProduct, "/product/add")
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api.add_resource(UserRegisterPayment, "/user/register_payment")
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if __name__ == '__main__':
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app.run(host="::", port=APP_PORT, debug=True)
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