cdserver.py

import os, sys, json, subprocess
from flask import Flask, render_template, flash
from flask_cors import cross_origin, CORS

app = Flask(__name__)
app.config['SECRET_KEY'] ="abcdef"
cors = CORS(app, resources={r"/checkkey/*/*": {"origins": "*"}})

#checkKey takes in a cdkey, and a uuid number. If the cd key is present in our list of valid cdkeys, it checks whether the UUID being passed is the one registered, if so , return a value of 100(Valid)
#if not the UUID registered, return type 200(Invalid UUID). If the cdkey isn't a valid key, return type 300 - Invalid Key.

# First time customer :
# Admin mode > passwd set> enter cdkey > check if key valid and uuid unset> set cdkey value as uuid> return good status

#Customer needs to replace computer, trys to install software, it already has a UUID associated with it, so a message appears stating so, and a contact numer. We would just unset the UUID, and let
# them reinstall.

#This is the cdkey checker upon admin>cdkey enter
@app.route("/checkkey/<cdkey>/<uuidNum>", methods=['POST', "GET"])
@cross_origin()
def checkKey(cdkey, uuidNum):
    #REMEMBER TO CHANGE BEFORE UPLOADING TO SERVER
    cd_key_file = os.getcwd() + "\\static\\keys.json"
    with open(cd_key_file, 'r+') as keyfile:
        keydata = json.load(keyfile)
        #Check each cd key available, and test against given information (cdkey/ uuid)
        if cdkey in keydata['certificates']['keys'].keys():
            if keydata['certificates']['keys'][cdkey] == "unset":
                with open(cd_key_file, 'w') as writekeyfile:
                    keydata['certificates']['keys'][cdkey] = uuidNum
                    json.dump(keydata, writekeyfile)
                print('100 - Valid - Key Registered')
                return str('100 - Valid - Key Registered')

            elif keydata['certificates']['keys'][cdkey] == uuidNum:
                print('100 - Valid')
                return str('100 - Valid')
            else:
                print('200 - Cd key already in use')
                return str('200 - Cd key already in use on another computer. Please purchase another license key.')
        else:
            print('300 - Invalid Key')
            return str('300 - Invalid Key')


if __name__ == "__main__":
    app.run(host="127.0.0.1", port="80")


------------------------------
cdserver.yaml

runtime: python37
handlers:
- url: /*
  http_headers:
    Access-Control-Allow-Origin: *