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# frozen_string_literal: true
require_relative 'util'
class CGI
# Class representing an HTTP cookie.
#
# In addition to its specific fields and methods, a Cookie instance
# is a delegator to the array of its values.
#
# See RFC 2965.
#
# == Examples of use
# cookie1 = CGI::Cookie.new("name", "value1", "value2", ...)
# cookie1 = CGI::Cookie.new("name" => "name", "value" => "value")
# cookie1 = CGI::Cookie.new('name' => 'name',
# 'value' => ['value1', 'value2', ...],
# 'path' => 'path', # optional
# 'domain' => 'domain', # optional
# 'expires' => Time.now, # optional
# 'secure' => true, # optional
# 'httponly' => true # optional
# )
#
# cgi.out("cookie" => [cookie1, cookie2]) { "string" }
#
# name = cookie1.name
# values = cookie1.value
# path = cookie1.path
# domain = cookie1.domain
# expires = cookie1.expires
# secure = cookie1.secure
# httponly = cookie1.httponly
#
# cookie1.name = 'name'
# cookie1.value = ['value1', 'value2', ...]
# cookie1.path = 'path'
# cookie1.domain = 'domain'
# cookie1.expires = Time.now + 30
# cookie1.secure = true
# cookie1.httponly = true
class Cookie < Array
@@accept_charset="UTF-8" unless defined?(@@accept_charset)
TOKEN_RE = %r"\A[[!-~]&&[^()<>@,;:\\\"/?=\[\]{}]]+\z"
PATH_VALUE_RE = %r"\A[[ -~]&&[^;]]*\z"
DOMAIN_VALUE_RE = %r"\A(?<label>(?!-)[-A-Za-z0-9]+(?<!-))(?:\.\g<label>)*\z"
# Create a new CGI::Cookie object.
#
# :call-seq:
# Cookie.new(name_string,*value)
# Cookie.new(options_hash)
#
# +name_string+::
# The name of the cookie; in this form, there is no #domain or
# #expiration. The #path is gleaned from the +SCRIPT_NAME+ environment
# variable, and #secure is false.
# <tt>*value</tt>::
# value or list of values of the cookie
# +options_hash+::
# A Hash of options to initialize this Cookie. Possible options are:
#
# name:: the name of the cookie. Required.
# value:: the cookie's value or list of values.
# path:: the path for which this cookie applies. Defaults to
# the value of the +SCRIPT_NAME+ environment variable.
# domain:: the domain for which this cookie applies.
# expires:: the time at which this cookie expires, as a +Time+ object.
# secure:: whether this cookie is a secure cookie or not (default to
# false). Secure cookies are only transmitted to HTTPS
# servers.
# httponly:: whether this cookie is a HttpOnly cookie or not (default to
# false). HttpOnly cookies are not available to javascript.
#
# These keywords correspond to attributes of the cookie object.
def initialize(name = "", *value)
@domain = nil
@expires = nil
if name.kind_of?(String)
self.name = name
self.path = (%r|\A(.*/)| =~ ENV["SCRIPT_NAME"] ? $1 : "")
@secure = false
@httponly = false
return super(value)
end
options = name
unless options.has_key?("name")
raise ArgumentError, "`name' required"
end
self.name = options["name"]
value = Array(options["value"])
# simple support for IE
self.path = options["path"] || (%r|\A(.*/)| =~ ENV["SCRIPT_NAME"] ? $1 : "")
self.domain = options["domain"]
@expires = options["expires"]
@secure = options["secure"] == true
@httponly = options["httponly"] == true
super(value)
end
# Name of this cookie, as a +String+
attr_reader :name
# Set name of this cookie
def name=(str)
if str and !TOKEN_RE.match?(str)
raise ArgumentError, "invalid name: #{str.dump}"
end
@name = str
end
# Path for which this cookie applies, as a +String+
attr_reader :path
# Set path for which this cookie applies
def path=(str)
if str and !PATH_VALUE_RE.match?(str)
raise ArgumentError, "invalid path: #{str.dump}"
end
@path = str
end
# Domain for which this cookie applies, as a +String+
attr_reader :domain
# Set domain for which this cookie applies
def domain=(str)
if str and ((str = str.b).bytesize > 255 or !DOMAIN_VALUE_RE.match?(str))
raise ArgumentError, "invalid domain: #{str.dump}"
end
@domain = str
end
# Time at which this cookie expires, as a +Time+
attr_accessor :expires
# True if this cookie is secure; false otherwise
attr_reader :secure
# True if this cookie is httponly; false otherwise
attr_reader :httponly
# Returns the value or list of values for this cookie.
def value
self
end
# Replaces the value of this cookie with a new value or list of values.
def value=(val)
replace(Array(val))
end
# Set whether the Cookie is a secure cookie or not.
#
# +val+ must be a boolean.
def secure=(val)
@secure = val if val == true or val == false
@secure
end
# Set whether the Cookie is a httponly cookie or not.
#
# +val+ must be a boolean.
def httponly=(val)
@httponly = !!val
end
# Convert the Cookie to its string representation.
def to_s
val = collect{|v| CGI.escape(v) }.join("&")
buf = "#{@name}=#{val}".dup
buf << "; domain=#{@domain}" if @domain
buf << "; path=#{@path}" if @path
buf << "; expires=#{CGI.rfc1123_date(@expires)}" if @expires
buf << "; secure" if @secure
buf << "; HttpOnly" if @httponly
buf
end
# Parse a raw cookie string into a hash of cookie-name=>Cookie
# pairs.
#
# cookies = CGI::Cookie.parse("raw_cookie_string")
# # { "name1" => cookie1, "name2" => cookie2, ... }
#
def self.parse(raw_cookie)
cookies = Hash.new([])
return cookies unless raw_cookie
raw_cookie.split(/;\s?/).each do |pairs|
name, values = pairs.split('=',2)
next unless name and values
values ||= ""
values = values.split('&').collect{|v| CGI.unescape(v,@@accept_charset) }
if cookies.has_key?(name)
values = cookies[name].value + values
end
cookies[name] = Cookie.new(name, *values)
end
cookies
end
# A summary of cookie string.
def inspect
"#<CGI::Cookie: #{self.to_s.inspect}>"
end
end # class Cookie
end
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