summaryrefslogtreecommitdiff
path: root/jni/ruby/lib/cgi/cookie.rb
blob: 3ec884dffb2e92435c4cb88c431d85bdd34ccbdd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
require 'cgi/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
  #                             )
  #
  #   cgi.out("cookie" => [cookie1, cookie2]) { "string" }
  #
  #   name    = cookie1.name
  #   values  = cookie1.value
  #   path    = cookie1.path
  #   domain  = cookie1.domain
  #   expires = cookie1.expires
  #   secure  = cookie1.secure
  #
  #   cookie1.name    = 'name'
  #   cookie1.value   = ['value1', 'value2', ...]
  #   cookie1.path    = 'path'
  #   cookie1.domain  = 'domain'
  #   cookie1.expires = Time.now + 30
  #   cookie1.secure  = true
  class Cookie < Array
    @@accept_charset="UTF-8" unless defined?(@@accept_charset)

    # 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
    #          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.
    #
    #   These keywords correspond to attributes of the cookie object.
    def initialize(name = "", *value)
      @domain = nil
      @expires = nil
      if name.kind_of?(String)
        @name = name
        %r|^(.*/)|.match(ENV["SCRIPT_NAME"])
        @path = ($1 or "")
        @secure = false
        return super(value)
      end

      options = name
      unless options.has_key?("name")
        raise ArgumentError, "`name' required"
      end

      @name = options["name"]
      value = Array(options["value"])
      # simple support for IE
      if options["path"]
        @path = options["path"]
      else
        %r|^(.*/)|.match(ENV["SCRIPT_NAME"])
        @path = ($1 or "")
      end
      @domain = options["domain"]
      @expires = options["expires"]
      @secure = options["secure"] == true ? true : false

      super(value)
    end

    # Name of this cookie, as a +String+
    attr_accessor :name
    # Path for which this cookie applies, as a +String+
    attr_accessor :path
    # Domain for which this cookie applies, as a +String+
    attr_accessor :domain
    # Time at which this cookie expires, as a +Time+
    attr_accessor :expires
    # True if this cookie is secure; false otherwise
    attr_reader("secure")

    # 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

    # Convert the Cookie to its string representation.
    def to_s
      val = collect{|v| CGI.escape(v) }.join("&")
      buf = "#{@name}=#{val}"
      buf << "; domain=#{@domain}" if @domain
      buf << "; path=#{@path}"     if @path
      buf << "; expires=#{CGI::rfc1123_date(@expires)}" if @expires
      buf << "; secure"            if @secure == true
      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
        name = CGI.unescape(name)
        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