This extension is part of the Sinatra::Contrib project. Run gem install sinatra-contrib to have it available.

Sinatra::Cookies

Easy way to deal with cookies

Usage

Allows you to read cookies:

get '/' do
  "value: #{cookie[:something]}"
end

And of course to write cookies:

get '/set' do
  cookies[:something] = 'foobar'
  redirect to('/')
end

And generally behaves like a hash:

get '/demo' do
  cookies.merge! 'foo' => 'bar', 'bar' => 'baz'
  cookies.keep_if { |key, value| key.start_with? 'b' }
  foo, bar = cookies.values_at 'foo', 'bar'
  "size: #{cookies.length}"
end

Classic Application

In a classic application simply require the helpers, and start using them:

require "sinatra"
require "sinatra/cookies"

# The rest of your classic application code goes here...

Modular Application

In a modular application you need to require the helpers, and then tell the application you will use them:

require "sinatra/base"
require "sinatra/cookies"

class MyApp < Sinatra::Base
  helpers Sinatra::Cookies

  # The rest of your modular application code goes here...
end
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