app/controllers/controller_extension/token_authentication.rb


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module ControllerExtension::TokenAuthentication
  extend ActiveSupport::Concern

  def token
    @token ||= authenticate_with_http_token do |token, options|
      Token.find_by_token(token)
    end
  end

  def token_authenticate
    @token_authenticated ||= token.authenticate if token
  end

  def require_token
    access_denied unless token_authenticate
  end

  def logout
    super
    clear_token
  end

  def clear_token
    token.destroy if token
  end
end