landoncrabtree/ctf-scoreboard

A simple scoreboard written in NodeJS with Express where users can submit flags and view their standing

Scoreboard

Description

This is a simple scoreboard web application that allows users to submit flags and view their ranking on the scoreboard. It was designed to be used as a tryout for CPTC competition, but it's functionality can be extended to any platform where flags are submitted for points.

Features

• Account registration and login
  • SQLite database for storing user information
  • SHA-256 hashing for storing passwords
  • express-session for session management and user authentication
• Flag submission, validation, and scoring system
  • Submitted flags are checked against a list of valid flags
  • Points are awarded for each valid flag submitted
  • Duplicate flags are not accepted
• Report and writeup file upload
  • Users can upload a report and writeup file to explain methodology
  • Files are stored in the uploads directory, organized by user ID
• Scoreboard with user ranking, points, and number of flags submitted
• Countdown for when the competition ends
  • When the competition ends, the scoreboard is frozen and no more flags can be submitted

Installation

1. Clone the repository
2. Install dependencies with npm install
3. Start the server with npm start
4. Navigate to http://localhost:3000 in your browser

Usage

1. Modify scoring.js to include your own flags and point values
2. Modify scoring.js to change the competition end date

Pictures