diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/cookies.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/middleware/cookies.rb | 184 |
1 files changed, 87 insertions, 97 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/cookies.rb b/actionpack/lib/action_dispatch/middleware/cookies.rb index cf4f654ed6..2889acaeb8 100644 --- a/actionpack/lib/action_dispatch/middleware/cookies.rb +++ b/actionpack/lib/action_dispatch/middleware/cookies.rb @@ -1,55 +1,55 @@ require 'active_support/core_ext/hash/keys' -require 'active_support/core_ext/module/attribute_accessors' -require 'active_support/core_ext/object/blank' require 'active_support/key_generator' require 'active_support/message_verifier' require 'active_support/json' module ActionDispatch - class Request < Rack::Request + class Request def cookie_jar - env['action_dispatch.cookies'.freeze] ||= Cookies::CookieJar.build(self, cookies) + fetch_header('action_dispatch.cookies'.freeze) do + self.cookie_jar = Cookies::CookieJar.build(self, cookies) + end end # :stopdoc: def have_cookie_jar? - env.key? 'action_dispatch.cookies'.freeze + has_header? 'action_dispatch.cookies'.freeze end def cookie_jar=(jar) - env['action_dispatch.cookies'.freeze] = jar + set_header 'action_dispatch.cookies'.freeze, jar end def key_generator - env[Cookies::GENERATOR_KEY] + get_header Cookies::GENERATOR_KEY end def signed_cookie_salt - env[Cookies::SIGNED_COOKIE_SALT] + get_header Cookies::SIGNED_COOKIE_SALT end def encrypted_cookie_salt - env[Cookies::ENCRYPTED_COOKIE_SALT] + get_header Cookies::ENCRYPTED_COOKIE_SALT end def encrypted_signed_cookie_salt - env[Cookies::ENCRYPTED_SIGNED_COOKIE_SALT] + get_header Cookies::ENCRYPTED_SIGNED_COOKIE_SALT end def secret_token - env[Cookies::SECRET_TOKEN] + get_header Cookies::SECRET_TOKEN end def secret_key_base - env[Cookies::SECRET_KEY_BASE] + get_header Cookies::SECRET_KEY_BASE end def cookies_serializer - env[Cookies::COOKIES_SERIALIZER] + get_header Cookies::COOKIES_SERIALIZER end def cookies_digest - env[Cookies::COOKIES_DIGEST] + get_header Cookies::COOKIES_DIGEST end # :startdoc: end @@ -221,19 +221,11 @@ module ActionDispatch end end - protected - - def request; @parent_jar.request; end - private def upgrade_legacy_signed_cookies? request.secret_token.present? && request.secret_key_base.present? end - - def key_generator - request.key_generator - end end # Passing the ActiveSupport::MessageEncryptor::NullSerializer downstream @@ -253,6 +245,11 @@ module ActionDispatch rescue ActiveSupport::MessageVerifier::InvalidSignature nil end + + private + def parse(name, signed_message) + super || verify_and_upgrade_legacy_signed_message(name, signed_message) + end end class CookieJar #:nodoc: @@ -319,6 +316,13 @@ module ActionDispatch self end + def update_cookies_from_jar + request_jar = @request.cookie_jar.instance_variable_get(:@cookies) + set_cookies = request_jar.reject { |k,_| @delete_cookies.key?(k) } + + @cookies.update set_cookies if set_cookies + end + def to_header @cookies.map { |k,v| "#{k}=#{v}" }.join ';' end @@ -392,20 +396,35 @@ module ActionDispatch end def write(headers) - @set_cookies.each { |k, v| ::Rack::Utils.set_cookie_header!(headers, k, v) if write_cookie?(v) } - @delete_cookies.each { |k, v| ::Rack::Utils.delete_cookie_header!(headers, k, v) } + if header = make_set_cookie_header(headers[HTTP_HEADER]) + headers[HTTP_HEADER] = header + end end mattr_accessor :always_write_cookie self.always_write_cookie = false private - def write_cookie?(cookie) - request.ssl? || !cookie[:secure] || always_write_cookie - end + + def make_set_cookie_header(header) + header = @set_cookies.inject(header) { |m, (k, v)| + if write_cookie?(v) + ::Rack::Utils.add_cookie_to_header(m, k, v) + else + m + end + } + @delete_cookies.inject(header) { |m, (k, v)| + ::Rack::Utils.add_remove_cookie_to_header(m, k, v) + } + end + + def write_cookie?(cookie) + request.ssl? || !cookie[:secure] || always_write_cookie + end end - class PermanentCookieJar #:nodoc: + class AbstractCookieJar # :nodoc: include ChainedCookieJars def initialize(parent_jar) @@ -413,19 +432,35 @@ module ActionDispatch end def [](name) - @parent_jar[name.to_s] + if data = @parent_jar[name.to_s] + parse name, data + end end def []=(name, options) if options.is_a?(Hash) options.symbolize_keys! else - options = { :value => options } + options = { value: options } end - options[:expires] = 20.years.from_now + commit(options) @parent_jar[name] = options end + + protected + def request; @parent_jar.request; end + + private + def parse(name, data); data; end + def commit(options); end + end + + class PermanentCookieJar < AbstractCookieJar # :nodoc: + private + def commit(options) + options[:expires] = 20.years.from_now + end end class JsonSerializer # :nodoc: @@ -477,45 +512,30 @@ module ActionDispatch def digest request.cookies_digest || 'SHA1' end + + def key_generator + request.key_generator + end end - class SignedCookieJar #:nodoc: - include ChainedCookieJars + class SignedCookieJar < AbstractCookieJar # :nodoc: include SerializedCookieJars def initialize(parent_jar) - @parent_jar = parent_jar + super secret = key_generator.generate_key(request.signed_cookie_salt) @verifier = ActiveSupport::MessageVerifier.new(secret, digest: digest, serializer: ActiveSupport::MessageEncryptor::NullSerializer) end - # Returns the value of the cookie by +name+ if it is untampered, - # returns +nil+ otherwise or if no such cookie exists. - def [](name) - if signed_message = @parent_jar[name] - deserialize name, verify(signed_message) + private + def parse(name, signed_message) + deserialize name, @verifier.verified(signed_message) end - end - # Signs and sets the cookie named +name+. The second argument may be the cookie's - # value or a hash of options as documented above. - def []=(name, options) - if options.is_a?(Hash) - options.symbolize_keys! + def commit(options) options[:value] = @verifier.generate(serialize(options[:value])) - else - options = { :value => @verifier.generate(serialize(options)) } - end - - raise CookieOverflow if options[:value].bytesize > MAX_COOKIE_SIZE - @parent_jar[name] = options - end - private - def verify(signed_message) - @verifier.verify(signed_message) - rescue ActiveSupport::MessageVerifier::InvalidSignature - nil + raise CookieOverflow if options[:value].bytesize > MAX_COOKIE_SIZE end end @@ -525,20 +545,13 @@ module ActionDispatch # re-saves them using the new key generator to provide a smooth upgrade path. class UpgradeLegacySignedCookieJar < SignedCookieJar #:nodoc: include VerifyAndUpgradeLegacySignedMessage - - def [](name) - if signed_message = @parent_jar[name] - deserialize(name, verify(signed_message)) || verify_and_upgrade_legacy_signed_message(name, signed_message) - end - end end - class EncryptedCookieJar #:nodoc: - include ChainedCookieJars + class EncryptedCookieJar < AbstractCookieJar # :nodoc: include SerializedCookieJars def initialize(parent_jar) - @parent_jar = parent_jar + super if ActiveSupport::LegacyKeyGenerator === key_generator raise "You didn't set secrets.secret_key_base, which is required for this cookie jar. " + @@ -550,35 +563,18 @@ module ActionDispatch @encryptor = ActiveSupport::MessageEncryptor.new(secret, sign_secret, digest: digest, serializer: ActiveSupport::MessageEncryptor::NullSerializer) end - # Returns the value of the cookie by +name+ if it is untampered, - # returns +nil+ otherwise or if no such cookie exists. - def [](name) - if encrypted_message = @parent_jar[name] - deserialize name, decrypt_and_verify(encrypted_message) - end - end - - # Encrypts and sets the cookie named +name+. The second argument may be the cookie's - # value or a hash of options as documented above. - def []=(name, options) - if options.is_a?(Hash) - options.symbolize_keys! - else - options = { :value => options } - end - - options[:value] = @encryptor.encrypt_and_sign(serialize(options[:value])) - - raise CookieOverflow if options[:value].bytesize > MAX_COOKIE_SIZE - @parent_jar[name] = options - end - private - def decrypt_and_verify(encrypted_message) - @encryptor.decrypt_and_verify(encrypted_message) + def parse(name, encrypted_message) + deserialize name, @encryptor.decrypt_and_verify(encrypted_message) rescue ActiveSupport::MessageVerifier::InvalidSignature, ActiveSupport::MessageEncryptor::InvalidMessage nil end + + def commit(options) + options[:value] = @encryptor.encrypt_and_sign(serialize(options[:value])) + + raise CookieOverflow if options[:value].bytesize > MAX_COOKIE_SIZE + end end # UpgradeLegacyEncryptedCookieJar is used by ActionDispatch::Session::CookieStore @@ -587,12 +583,6 @@ module ActionDispatch # encrypts and re-saves them using the new key generator to provide a smooth upgrade path. class UpgradeLegacyEncryptedCookieJar < EncryptedCookieJar #:nodoc: include VerifyAndUpgradeLegacySignedMessage - - def [](name) - if encrypted_or_signed_message = @parent_jar[name] - deserialize(name, decrypt_and_verify(encrypted_or_signed_message)) || verify_and_upgrade_legacy_signed_message(name, encrypted_or_signed_message) - end - end end def initialize(app) |