mcs/class/System.Web/System.Web/HttpCookie.cs

   1 //
   2 // System.Web.HttpCookie
   3 //
   4 // Author:
   5 //   Patrik Torstensson (Patrik.Torstensson@labs2.com)
   6 //
   7
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System;
  29 using System.Globalization;
  30 using System.Text;
  31 using System.Web;
  32 using System.Collections.Specialized;
  33
  34 namespace System.Web
  35 {
  36         public sealed class HttpCookie
  37         {
  38                 string _Name;
  39                 string _Value;
  40                 string _Domain;
  41                 DateTime _Expires;
  42                 bool _ExpiresSet;
  43                 string _Path;
  44                 bool _Secure = false;
  45
  46                 HttpValueCollection _Values;
  47
  48                 internal HttpCookie ()
  49                 {
  50                         _Path = "/";
  51                 }
  52
  53                 public HttpCookie (string name)
  54                 {
  55                         _Path = "/";
  56                         _Name = name;
  57                 }
  58
  59                 public HttpCookie (string name, string value)
  60                 {
  61                         _Name = name;
  62                         _Value = value;
  63                         _Path = "/";
  64                 }
  65
  66                 internal HttpCookie (string name, string value, string path, DateTime expires)
  67                 {
  68                         _Name = name;
  69                         _Value = value;
  70                         _Path = path;
  71                         if (expires != DateTime.MinValue)
  72                                 Expires = expires;
  73                 }
  74
  75                 internal HttpResponseHeader GetCookieHeader ()
  76                 {
  77                         StringBuilder oSetCookie = new StringBuilder ();
  78
  79                         if (null != _Name && _Name.Length > 0) {
  80                                 oSetCookie.Append (_Name);
  81                                 oSetCookie.Append ("=");
  82                         }
  83
  84                         if (null != _Values) {
  85                                 oSetCookie.Append (_Values.ToString (false));
  86                         } else if (null != _Value) {
  87                                 oSetCookie.Append (_Value);
  88                         }
  89
  90                         if (null != _Domain && _Domain.Length > 0) {
  91                                 oSetCookie.Append ("; domain=");
  92                                 oSetCookie.Append (_Domain);
  93                         }
  94
  95                         if (null != _Path && Path.Length > 0) {
  96                                 oSetCookie.Append ("; path=");
  97                                 oSetCookie.Append (_Path);
  98                         }
  99
 100                         if (_ExpiresSet && _Expires != DateTime.MinValue) {
 101                                 oSetCookie.Append ("; expires=");
 102                                 DateTime ut = _Expires.ToUniversalTime ();
 103                                 oSetCookie.Append (ut.ToString ("ddd, dd-MMM-yyyy HH':'mm':'ss 'GMT'",
 104                                                                 DateTimeFormatInfo.InvariantInfo));
 105                         }
 106
 107                         if (_Secure)
 108                                 oSetCookie.Append ("; secure");
 109
 110                         return new HttpResponseHeader (HttpWorkerRequest.HeaderSetCookie, oSetCookie.ToString());
 111                 }
 112
 113                 public string Domain
 114                 {
 115                         get { return _Domain; }
 116                         set { _Domain = value; }
 117                 }
 118
 119                 public DateTime Expires
 120                 {
 121                         get {
 122                                 if (!_ExpiresSet)
 123                                         return DateTime.MinValue;
 124
 125                                 return _Expires;
 126                         }
 127
 128                         set {
 129                                 _ExpiresSet = true;
 130                                 _Expires = value;
 131                         }
 132                 }
 133
 134                 public bool HasKeys
 135                 {
 136                         get {
 137                                 return Values.HasKeys ();
 138                         }
 139                 }
 140
 141                 public string this [string key]
 142                 {
 143                         get { return Values [key]; }
 144                         set { Values [key] = value; }
 145                 }
 146
 147                 public string Name
 148                 {
 149                         get { return _Name; }
 150                         set { _Name = value; }
 151                 }
 152
 153                 public string Path
 154                 {
 155                         get { return _Path; }
 156                         set { _Path = value; }
 157                 }
 158
 159                 public bool Secure
 160                 {
 161                         get { return _Secure; }
 162                         set { _Secure = value; }
 163                 }
 164
 165                 public string Value
 166                 {
 167                         get {
 168                                 if (null != _Values)
 169                                         return _Values.ToString (false);
 170
 171                                 return _Value;
 172                         }
 173
 174                         set {
 175                                 if (null != _Values) {
 176                                         _Values.Reset ();
 177                                         _Values.Add (null, value);
 178                                         return;
 179                                 }
 180
 181                                 _Value = value;
 182                         }
 183                 }
 184
 185                 public NameValueCollection Values
 186                 {
 187                         get {
 188                                 if (null == _Values) {
 189                                         _Values = new HttpValueCollection ();
 190                                         if (null != _Value) {
 191                                                 // Do we have multiple keys
 192                                                 if (_Value.IndexOf ("&") >= 0 || _Value.IndexOf ("=") >= 0) {
 193                                                         _Values.FillFromCookieString (_Value);
 194                                                 } else {
 195                                                         _Values.Add (null, _Value);
 196                                                 }
 197
 198                                                 _Value = null;
 199                                         }
 200                                 }
 201
 202                                 return _Values;
 203                         }
 204                 }
 205         }
 206 }
 207