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#
# cookie.rb -- Cookie class
#
# Author: IPR -- Internet Programming with Ruby -- writers
# Copyright (c) 2000, 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou
# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
# reserved.
#
# $IPR: cookie.rb,v 1.16 2002/09/21 12:23:35 gotoyuzo Exp $
require 'time'
require 'webrick/httputils'
module WEBrick
##
# Processes HTTP cookies
class Cookie
##
# The cookie name
attr_reader :name
##
# The cookie value
attr_accessor :value
##
# The cookie version
attr_accessor :version
##
# The cookie domain
attr_accessor :domain
##
# The cookie path
attr_accessor :path
##
# Is this a secure cookie?
attr_accessor :secure
##
# The cookie comment
attr_accessor :comment
##
# The maximum age of the cookie
attr_accessor :max_age
#attr_accessor :comment_url, :discard, :port
##
# Creates a new cookie with the given +name+ and +value+
def initialize(name, value)
@name = name
@value = value
@version = 0 # Netscape Cookie
@domain = @path = @secure = @comment = @max_age =
@expires = @comment_url = @discard = @port = nil
end
##
# Sets the cookie expiration to the time +t+. The expiration time may be
# a false value to disable expiration or a Time or HTTP format time string
# to set the expiration date.
def expires=(t)
@expires = t && (t.is_a?(Time) ? t.httpdate : t.to_s)
end
##
# Retrieves the expiration time as a Time
def expires
@expires && Time.parse(@expires)
end
##
# The cookie string suitable for use in an HTTP header
def to_s
ret = ""
ret << @name << "=" << @value
ret << "; " << "Version=" << @version.to_s if @version > 0
ret << "; " << "Domain=" << @domain if @domain
ret << "; " << "Expires=" << @expires if @expires
ret << "; " << "Max-Age=" << @max_age.to_s if @max_age
ret << "; " << "Comment=" << @comment if @comment
ret << "; " << "Path=" << @path if @path
ret << "; " << "Secure" if @secure
ret
end
##
# Parses a Cookie field sent from the user-agent. Returns an array of
# cookies.
def self.parse(str)
if str
ret = []
cookie = nil
ver = 0
str.split(/[;,]\s+/).each{|x|
key, val = x.split(/=/,2)
val = val ? HTTPUtils::dequote(val) : ""
case key
when "$Version"; ver = val.to_i
when "$Path"; cookie.path = val
when "$Domain"; cookie.domain = val
when "$Port"; cookie.port = val
else
ret << cookie if cookie
cookie = self.new(key, val)
cookie.version = ver
end
}
ret << cookie if cookie
ret
end
end
##
# Parses the cookie in +str+
def self.parse_set_cookie(str)
cookie_elem = str.split(/;/)
first_elem = cookie_elem.shift
first_elem.strip!
key, value = first_elem.split(/=/, 2)
cookie = new(key, HTTPUtils.dequote(value))
cookie_elem.each{|pair|
pair.strip!
key, value = pair.split(/=/, 2)
if value
value = HTTPUtils.dequote(value.strip)
end
case key.downcase
when "domain" then cookie.domain = value
when "path" then cookie.path = value
when "expires" then cookie.expires = value
when "max-age" then cookie.max_age = Integer(value)
when "comment" then cookie.comment = value
when "version" then cookie.version = Integer(value)
when "secure" then cookie.secure = true
end
}
return cookie
end
##
# Parses the cookies in +str+
def self.parse_set_cookies(str)
return str.split(/,(?=[^;,]*=)|,$/).collect{|c|
parse_set_cookie(c)
}
end
end
end
|
