Switch from Flask to Klein
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from flask import Flask
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from flask_sqlalchemy import SQLAlchemy
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# init SQLAlchemy so we can use it later in our models
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db = SQLAlchemy()
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def create_app():
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app = Flask(__name__)
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app.config["SECRET_KEY"] = "4c7c2f455ffa53edf78d2b2e9c3f24f6f9340975"
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app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///db.sqlite"
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db.init_app(app)
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from .main import main as main_blueprint
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app.register_blueprint(main_blueprint)
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return app
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from twisted.logger import Logger
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from twisted.internet import reactor
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from twisted.internet.task import LoopingCall, deferLater
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from klein import Klein
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from json import dumps, loads
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from json.decoder import JSONDecodeError
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import pprint
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import requests
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from settings import refresh_token, client_id, jwt
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token_refresh_sec = 30
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api_base = "https://sandbox-b2b.revolut.com/api/1.0"
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webhook_url = "https://callback-sandbox.pathogen.is/callback"
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# SYSTEM VARIABLES BELOW #
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app = Klein()
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access_token = ""
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log = Logger()
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pp = pprint.PrettyPrinter(indent=2)
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def get_new_token():
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headers = {"Content-Type": "application/x-www-form-urlencoded"}
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data = {
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"grant_type": "refresh_token",
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"refresh_token": refresh_token,
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"client_id": client_id,
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"client_assertion_type": "urn:ietf:params:oauth:client-assertion-type:jwt-bearer",
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"client_assertion": jwt,
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}
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r = requests.post(f"{api_base}/auth/token", data=data, headers=headers)
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parsed = r.json()
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if r.status_code == 200:
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if "access_token" in parsed.keys():
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access_token = parsed["access_token"]
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if len(access_token) == len(refresh_token):
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log.info("Refreshed access token")
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return True
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else:
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log.error(f"Token refresh didn't contain access token: {parsed}", parsed=parsed)
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return False
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else:
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log.error(f"Cannot refresh token: {parsed}", parsed=parsed)
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return False
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def transaction(sender, source_currency, dest_currency, source_amount, dest_amount):
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pass
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def setup_webhook():
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log.info("Setting up webhook")
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headers = {"Authorization": f"Bearer {access_token}"}
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data = {
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"url": webhook_url
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}
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r = requests.post (f"{api_base}/webhook", data=data, headers=headers)
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parsed = r.json()
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if r.status_code == 200:
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log.info("Set up webhook")
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return dumps({"success": True})
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else:
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log.info("Failed setting up webhook")
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@app.route("/refresh", methods=["GET"])
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def refresh(request):
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rtrn = get_new_token()
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return dumps({"success": rtrn})
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@app.route("/callback", methods=["POST"])
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def callback(request):
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content = request.content.read()
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try:
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parsed = loads(content)
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except JSONDecodeError:
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log.error("Failed to parse JSON callback: {content}", content=content)
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return dumps({"success": False})
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log.info("Callback received: {parsed}", parsed=parsed)
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return dumps({"success": True})
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# Set up loop to refresh token, but get one first
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deferLater(reactor, 1, get_new_token)
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deferLater(reactor, 2, setup_webhook)
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lc = LoopingCall(get_new_token)
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lc.start(token_refresh_sec)
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resource = app.resource
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app.run("127.0.0.1", 8080)
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@ -1,49 +0,0 @@
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from flask import Blueprint, request, jsonify
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import pprint
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import requests
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from .settings import *
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# SYSTEM VARIABLES BELOW #
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access_token = ""
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main = Blueprint("main", __name__)
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pp = pprint.PrettyPrinter(indent=2)
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def get_new_token():
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headers = {"Content-Type": "application/x-www-form-urlencoded"}
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data = {
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"grant_type": "refresh_token",
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"refresh_token": refresh_token,
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"client_id": client_id,
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"client_assertion_type": "urn:ietf:params:oauth:client-assertion-type:jwt-bearer",
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"client_assertion": jwt,
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}
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r = requests.post(f"{api_base}/auth/token", data=data, headers=headers)
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parsed = r.json()
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if r.status_code == 200:
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if "access_token" in parsed.keys():
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access_token = parsed["access_token"]
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if len(access_token) == len(refresh_token):
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return True
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else:
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main.logger.error(f"Token refresh didn't contain access token: {parsed}")
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return False
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else:
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main.logger.error(f"Cannot refresh token: {parsed}")
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return False
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@main.route("/refresh", methods=["GET"])
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def refresh():
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rtrn = get_new_token()
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return jsonify(success=rtrn)
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@main.route("/callback", methods=["POST"])
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def callback():
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pp.pprint(request.json)
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if request.json is None:
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return jsonify(success=False)
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return jsonify(success=True)
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