Online battleships game on python and JS

Last update: Nov 11, 2021

Related tags

Game Development Battleships

Overview

Battleships

Online battleships game

Using websockets to connect to the client.

SQLite database for storing account data and game logs (for players top)

And JS for the client-side

Installation

Use the pip to install libs from requirements.txt.

pip install -r requirements.txt

Fill server/config.py file (if needed)
Change IP and PORT in client/script.js file (if needed)

Usage

Server

Launch server:

python server/main.py

Client

Open index.html from the client folder
Create an account and play (you will need a friend)

Debug

You can find all errors in log/errors.log file

Contributing

Pull requests and an issues are welcome!

Comments

SQL Injection
You are putting user input strait into SQL queries without any validation. For example here:

sql.execute(F"""SELECT * FROM tokens WHERE ip = '{ip}' AND token = '{token}' AND state = 1 AND time > {time.time()-86400}""")

(token - user-controlled variable). I can open devtools console in my browser and paste:

socket.send( JSON.stringify({ type: 'authorization', method: 'token', token: "' [some malicious code]" }) );

This is major security vulnerability. It allows attackers it insert malicious code to your SQL query.

To avoid this you should use SQL parameters as explained here (the last code block).
opened by ronanru 9
Clientside improvements
CSS improvements

JS improvements

I improved code style and readability

Replaced deprecated function to copy text to the clipboard

Fixed some JS bugs
opened by ronanru 1
Bad token generation

You are using choice function for generating tokens.

Choice function is part of the random lib. This lib generates pseudo-random numbers. This is not safe and looks weird in the code.

Use the secrets library. I also recommend taking a closer look at secrets.token_hex.

opened by Trard 1
Fixed Readme.md

Поправил Readme.md, чтобы текст был большой.

Также советую написать в ReadMe о том как запустить сервер и все такое, чтобы я мог поискать другие ошибочки.

opened by ronanru 1
The project has no license.

Before I contribute more code to this project I want to know its license and be sure it's truly open-source. You can choose a license here. I recommend GPL v3, but you can choose any other open-source license.

opened by ronanru 0

Owner

GitHub

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