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Doorkeeper JWT adds JWT token support to the Doorkeeper OAuth library. Confirmed to work with Doorkeeper 2.2.x - 4.x. Untested with later versions of Doorkeeper.

gem 'doorkeeper'


Add this line to your application's Gemfile:

gem 'doorkeeper-jwt'

And then execute:

$ bundle

Or install it yourself as:

$ gem install doorkeeper-jwt


In your doorkeeper.rb initializer add the follow to the Doorkeeper.configure block:

access_token_generator '::Doorkeeper::JWT'

Then add a Doorkeeper::JWT.configure block below the Doorkeeper.configure block to set your JWT preferences.

Doorkeeper::JWT.configure do
  # Set the payload for the JWT token. This should contain unique information
  # about the user.
  # Defaults to a randomly generated token in a hash
  # { token: "RANDOM-TOKEN" }
  token_payload do |opts|
    user = User.find(opts[:resource_owner_id])

      iss: 'My App',
      iat: Time.current.utc.to_i,
      jti: SecureRandom.uuid, # @see JWT reserved claims - 

      user: {

  # Optionally set additional headers for the JWT. See
  token_headers do |opts|
      kid: opts[:application][:uid]

  # Use the application secret specified in the Access Grant token
  # Defaults to false
  # If you specify `use_application_secret true`, both secret_key and secret_key_path will be ignored
  use_application_secret false

  # Set the encryption secret. This would be shared with any other applications
  # that should be able to read the payload of the token.
  # Defaults to "secret"
  secret_key ENV['JWT_SECRET']

  # If you want to use RS* encoding specify the path to the RSA key
  # to use for signing.
  # If you specify a secret_key_path it will be used instead of secret_key
  secret_key_path File.join('path', 'to', 'file.pem')

  # Specify encryption type. Supports any algorithm in
  # defaults to nil
  encryption_method :hs512


After checking out the repo, run bin/setup to install dependencies. Then, run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release to create a git tag for the version, push git commits and tags, and push the .gem file to


  1. Fork it ([my-github-username]/doorkeeper-jwt/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request