asarmor

CLI tool and library that modifies your asar file to protect it from extraction (e.g by using asar extract). This is absolutely not bulletproof, but can be usefull in some scenarios.

installation

$ npm i asarmor

usage

CLI

$ asarmor --help

Usage: asarmor [options]

Options:
  -V, --version                  output the version number
  -a, --archive <archive>        input asar file (required)
  -o, --output <output>          output asar file (required)
  -v, --verbose                  enable verbose console output
  -b, --backup                   create backup
  -r, --restore                  restore backup (protections won't be applied)
  -f, --filetocrash <filename>   corrupt specified file within the archive    
  -t, --trashify [junkfiles...]  add non-existing junk files to the archive   
  -h, --help                     display help for command

Examples:
  $ asarmor -a app.asar -o asarmor.asar --filetocrash index_dummy.js
  $ asarmor -a app.asar -o asarmor.asar --trashify bee-movie.txt foo.js bar.ts
  $ asarmor -a app.asar -o asarmor.asar --trashify --backup
  $ asarmor -a app.asar -o asarmor.asar --trashify --restore

library

const {Asarmor, FileCrash, Trashify, Randomizers} = require('asarmor');

const asarmor = new Asarmor('app.asar');
asarmor.createBackup('~/Documents/backups/app.asar.backup');
asarmor.applyProtection(new FileCrash('target.js'));
asarmor.applyProtection(new Trashify(['foo', 'bar'], Randomizers.randomExtension));
asarmor.write('app.asar');