Class: ActionDispatch::Cookies::CookieJar

Inherits:

Hash

• Object
• Hash
• ActionDispatch::Cookies::CookieJar

show all

Defined in:

actionpack/lib/action_dispatch/middleware/cookies.rb

Overview

Constant Summary

DOMAIN_REGEXP =

This regular expression is used to split the levels of a domain. The top level domain can be any string without a period or *.*, **.* style TLDs like co.uk or com.au

www.example.co.uk gives: $1 => example $2 => co.uk

example.com gives: $1 => example $2 => com

lots.of.subdomains.example.local gives: $1 => example $2 => local

/([^.]*)\.([^.]*|..\...|...\...)$/

Class Method Summary (collapse)

• + (Object) build(request)

Instance Method Summary (collapse)

• - (Object) [](name)

  Returns the value of the cookie by name, or nil if no such cookie exists.

• - (Object) []=(key, options)

  Sets the cookie named name.

• - (Object) delete(key, options = {})

  Removes the cookie on the client machine by setting the value to an empty string and setting its expiration date into the past.

• - (Object) handle_options(options)

  :nodoc:.

• - (CookieJar) initialize(secret = nil, host = nil) constructor

  A new instance of CookieJar.

• - (Object) permanent

  Returns a jar that'll automatically set the assigned cookies to have an expiration date 20 years from now.

• - (Object) signed

  Returns a jar that'll automatically generate a signed representation of cookie value and verify it when reading from the cookie again.

• - (Object) write(headers)

Methods inherited from Hash

#as_json, #assert_valid_keys, #deep_merge, #deep_merge!, #diff, #encode_json, #except, #except!, #extract!, #extractable_options?, from_xml, #reverse_merge, #reverse_merge!, #slice, #slice!, #stringify_keys, #stringify_keys!, #symbolize_keys, #symbolize_keys!, #to_param, #to_xml, #with_indifferent_access

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 107

def initialize(secret = nil, host = nil)
  @secret = secret
  @set_cookies = {}
  @delete_cookies = {}
  @host = host

  super()
end

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 98

def self.build(request)
  secret = request.env[TOKEN_KEY]
  host = request.host

  new(secret, host).tap do |hash|
    hash.update(request.cookies)
  end
end

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 117

def [](name)
  super(name.to_s)
end

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 132

def []=(key, options)
  if options.is_a?(Hash)
    options.symbolize_keys!
    value = options[:value]
  else
    value = options
    options = { :value => value }
  end

  value = super(key.to_s, value)

  handle_options(options)

  @set_cookies[key] = options
  @delete_cookies.delete(key)
  value
end

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 153

def delete(key, options = {})
  options.symbolize_keys!

  handle_options(options)

  value = super(key.to_s)
  @delete_cookies[key] = options
  value
end

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 121

def handle_options(options) #:nodoc:
  options[:path] ||= "/"

  if options[:domain] == :all
    @host =~ DOMAIN_REGEXP
    options[:domain] = ".#{$1}.#{$2}"
  end
end

cookies.permanent[:prefers_open_id] = true
# => Set-Cookie: prefers_open_id=true; path=/; expires=Sun, 16-Dec-2029 03:24:16 GMT

cookies.permanent.signed[:remember_me] = current_user.id
# => Set-Cookie: remember_me=BAhU--848956038e692d7046deab32b7131856ab20e14e; path=/; expires=Sun, 16-Dec-2029 03:24:16 GMT

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 174

def permanent
  @permanent ||= PermanentCookieJar.new(self, @secret)
end

cookies.signed[:discount] = 45
# => Set-Cookie: discount=BAhpMg==--2c1c6906c90a3bc4fd54a51ffb41dffa4bf6b5f7; path=/

cookies.signed[:discount] # => 45

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 191

def signed
  @signed ||= SignedCookieJar.new(self, @secret)
end

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# File 'actionpack/lib/action_dispatch/middleware/cookies.rb', line 195

def write(headers)
  @set_cookies.each { |k, v| ::Rack::Utils.set_cookie_header!(headers, k, v) }
  @delete_cookies.each { |k, v| ::Rack::Utils.delete_cookie_header!(headers, k, v) }
end