Introduction

• It is docker based sandbox to run untrusted Javascript, PHP, Python scripts.
• Currently support Python-3.8, Php-7.4, Node v14.0.0.

Installation

• Navigate to multilang directory and execute setup.sh i.e run ./setup.sh

• Add current user to docker group -:

  sudo groupadd docker
  sudo usermod -aG docker $(whoami) 
  newgrp docker 
  

• Enable cgroup swapping,

  • This can be done by adding GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1 to grub configuration file and then run sudo update-grub. Reboot host device after that. For detailed description visit [https://www.serverlab.ca/tutorials/containers/docker/how-to-limit-memory-and-cpu-for- docker-containers/]

• Start server by node server.js

  • If everything has been setup correctly, you will see the following message on your terminal

    Running at http://0.0.0.0:8000
    

Supported OS

• Ubuntu 16.04, 18.04 LTS

API Usage Examples

• for dry running any code
  • Post API
  • http://52.249.249.121:5000/dryRun

{
 "code":"a=$a  \n a; \n",
 "lang":"python",
 "vars":{"$a":2,"$b":3}
 }

• For uploading Script
  • Post API
  • http://52.249.249.121:5000/uploadCode

{
   	"id":"5",
   	"varObj":["$a"],
   	"code":"<?php \n$value=$a; \n $a;?>",
   	"lang":"php"
   
}

• For running Script using its ID
  • Post API
  • http://52.249.249.121:5000/runInFlow

{
    "id":"5",
    "vars":{"$a":2}	
}