ojdl2

Intro

ojdl2 is an online judge using React.js as frontend and node.js as backend. oj的啦！

Usage

# Clone the repo & install submodule
git clone https://github.com/erdOne/ojdl2.git
cd ojdl2
git submodule update --init --recursive
( cd isolate && make isolate && sudo make install )

# Insall & configure MariaDB server
# Example:
sudo pacman -S mariadb
sudo systemctl start mysql

# Create database and user in MariaDB and give permission
# Example:
sudo mysql -e "CREATE USER '$DB_USER'@'localhost' IDENTIFIED BY '$DB_PASSWORD'; \
    GRANT ALL PRIVILEGES ON $DB_SCHEMA.* TO '$DB_USER'@'localhost'"

# Setup ojdl configurations
cp .sample.env .env
vim .env

# Install node_modules & build & run
npm install
NODE_ENV=production npm run build
sudo npm start

Configure cgroups

Run isolate-check-environment to check if cgroup is enabled. cgroup v1 is required to run ioi/isolate sandbox. Useful links:

• ioi/isolate manual
• https://wiki.archlinux.org/title/cgroups#Enable_cgroup_v1

SSL certification

SSL_CERTIFICATE_PATH and SSL_PRIVATE_KEY_PATH should be set to the path of the public and private key (resp.) in order to enable https. Also, one could use .challenge.env to fulfill a simple http challenge. See .sample.challenge.env for more details.