Class: Rack::Fernet

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/fernet.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, secret, content_type = "application/json") ⇒ Fernet

Returns a new instance of Fernet.



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# File 'lib/rack/fernet.rb', line 24

def initialize(app, secret, content_type="application/json")
  @app = app
  @secret = secret
  @content_type = content_type
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/fernet.rb', line 30

def call(env)
  payload = env["rack.input"].read
  verifier = ::Fernet.verifier(@secret, payload)
  if verifier.valid?
    env["CONTENT_TYPE"] = @content_type
    env["rack.input"] = StringIO.new(verifier.message)
    @app.call(env)
  elsif payload.size.zero?
    @app.call(env)
  else
    bad_request
  end
end