method

encrypted

v4.2.1 - Show latest stable - 0 notes - Class: ChainedCookieJars

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What's this?

encrypted() public

Returns a jar that’ll automatically encrypt cookie values before sending them to the client and will decrypt them for read. If the cookie was tampered with by the user (or a 3rd party), nil will be returned.

If secrets.secret_key_base and secrets.secret_token (deprecated) are both set, legacy cookies signed with the old key generator will be transparently upgraded.

This jar requires that you set a suitable secret for the verification on your app’s secrets.secret_key_base.

Example:

cookies.encrypted[:discount] = 45
# => Set-Cookie: discount=ZS9ZZ1R4cG1pcUJ1bm80anhQang3dz09LS1mbDZDSU5scGdOT3ltQ2dTdlhSdWpRPT0%3D--ab54663c9f4e3bc340c790d6d2b71e92f5b60315; path=/

cookies.encrypted[:discount] # => 45

Show source

# File actionpack/lib/action_dispatch/middleware/cookies.rb, line 159
      def encrypted
        @encrypted ||=
          if @options[:upgrade_legacy_signed_cookies]
            UpgradeLegacyEncryptedCookieJar.new(self, @key_generator, @options)
          else
            EncryptedCookieJar.new(self, @key_generator, @options)
          end
      end

encrypted

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