NextAuth.js Session Token Decoder

If you ever find yourself in a situation where you need to decrypt the NextAuth.js session token on your Ruby backend, look no further than this gem. It’s specifically designed to make the decryption process easy and seamless. The source code for this library has been extracted from Cooper Pet Care’s code base.

Installation

Add this gem to your Gemfile:

gem 'next-auth-session-token-decoder', '~> 0.1.0', require: 'next_auth_decoder'

and run bundle install.

Usage

token = 'eyJhbGciOiJkaXIiLCJlbmMiOiJBMjU2R0NNIn0..VxVkx9tG5eLKexs-.GQ792tADkdL10q_EntQO6bu-QYgr2gIqx7RwfRzA7HkMMrQ8Bu5Bfgh5UjYnI6J9bnagd6C_eOoQTMypMkXynPX_ogEEwlxLZLTXgn2yFTIDZHFEyXlmV53_FRJ82BNoYLv76lVZuNJwYdID8R-2thjML2VE3AblcNn2KJNCreXMztPrN9-AwOlAHofK3Q.14-TZcu0Br4kS7IPWhlC8g'

options = {
  info: 'NextAuth.js Generated Encryption Key',
  secret: 'super-secret-key',
}

NextAuthDecoder::Token.new(token, options).decode
=>
{
  "email"=>"[email protected]",
  "username"=>"Test username",
  "iat"=>1678818018,
  "exp"=>1681410018,
  "sub"=>"2",
  "jti"=>"ef109254-6cc0-4939-8cd3-faf172cd790f"
}

RSpec

First install dependencies:

bundle install

Now you're ready to test it:

bundle exec rspec spec

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/cooperpetcare/next-auth-session-token-decoder.

License

The gem is available as open source under the terms of the MIT License.