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import secrets, discordoauth2, os, rblxopencloud, firebase_admin

from dotenv import load_dotenv
load_dotenv()
from flask import Flask, request, redirect, jsonify
from discordoauth2 import Client, AccessToken
from rblxopencloud import OAuth2App
from firebase_admin import db, credentials


app = Flask(__name__)


DISCORD_CLIENT_ID = os.getenv("DISCORD_CLIENT_ID")
DISCORD_CLIENT_SECRET = os.getenv("DISCORD_CLIENT_SECRET")
DISCORD_TOKEN = os.getenv("DISCORD_TOKEN")
DISCORD_REDIRECT = os.getenv("DISCORD_REDIRECT")

ROBLOX_APP_ID = os.getenv("ROBLOX_APP_ID")
ROBLOX_APP_SECRET = os.getenv("ROBLOX_APP_SECRET")
ROBLOX_APP_REDIRECT = os.getenv("ROBLOX_APP_REDIRECT")

# NOTE: this is just an example function, and may not be the same in production

rbx_client = OAuth2App(id=ROBLOX_APP_ID, secret=ROBLOX_APP_SECRET, redirect_uri=ROBLOX_APP_REDIRECT)
dsc_client = Client(id=DISCORD_CLIENT_ID, secret=DISCORD_CLIENT_SECRET, redirect=DISCORD_REDIRECT, bot_token=DISCORD_TOKEN)
discord_access_cache = {}


def fetch_roblox_id_from_discord_id(discord_id: int):
    users = db.reference("/Users")

    for info in users.get():
        if int(users.child(info).get()["discord_id"]) == int(discord_id):
            return users.child(info).get()

    return None

@app.route("/callback/discord")
def api_oauth_callback_discord():
    access = dsc_client.client_credentails_grant(["identify", "guilds.members.read"])

    state = secrets.token_urlsafe(16)
    discord_access_cache[state] = access.token

    print(access.token)

    return redirect(rbx_client.generate_uri(["openid", "profile"], state=state))

@app.route("/callback/roblox")
def api_oauth_callback_roblox():
    access = rbx_client.exchange_code(code=request.args["code"])

    robloxInfo = access.fetch_userinfo()

    cachedUsername = robloxInfo.username
    robloxId = robloxInfo.id

    discord_access = dsc_client.from_access_token(discord_access_cache[request.args.get("state")])
    discord_user = discord_access.fetch_identify()


    userInfo = fetch_roblox_id_from_discord_id(discord_user["id"])

    print(robloxId, cachedUsername, discord_user["id"])
    print(userInfo)
    if userInfo == None:
        db.reference("/Users").update({
            robloxId: {
            "cachedUsername": cachedUsername,
            "roblox_id": robloxId,
            "discord_id": discord_user["id"]
            }
        })

        return "You are verified with Orosius Authorization."


    return "You are already verified with Orosius Authorization."

app.run(host="192.168.48.2", port=2938)