mcs/class/System.Web/System.Web/HttpCookieCollection.cs

   1 //
   2 // System.Web.HttpCookieCollection.cs
   3 //
   4 // Author:
   5 //      Chris Toshok (toshok@novell.com)
   6 //
   7
   8 //
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Collections.Specialized;
  32 using System.Security.Permissions;
  33
  34 namespace System.Web {
  35
  36         // CAS - no InheritanceDemand here as the class is sealed
  37         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  38         public sealed class HttpCookieCollection : NameObjectCollectionBase {
  39
  40                 private bool auto_fill = false;
  41
  42                 [Obsolete ("Don't use this constructor, use the (bool, bool) one, as it's more clear what it does")]
  43                 internal HttpCookieCollection (HttpResponse Response, bool ReadOnly)
  44                 {
  45                         auto_fill = Response != null;
  46                         IsReadOnly = ReadOnly;
  47                 }
  48
  49                 internal HttpCookieCollection (bool auto_fill, bool read_only)
  50                 {
  51                         this.auto_fill = auto_fill;
  52                         IsReadOnly = read_only;
  53                 }
  54
  55                 internal HttpCookieCollection (string cookies)
  56                 {
  57                         if (cookies == null || cookies == "")
  58                                 return;
  59
  60                         string[] cookie_components = cookies.Split (';');
  61                         foreach (string kv in cookie_components) {
  62                                 int pos = kv.IndexOf ('=');
  63                                 if (pos == -1) {
  64                                         /* XXX ugh */
  65                                         continue;
  66                                 }
  67                                 else {
  68                                         string key = kv.Substring (0, pos);
  69                                         string val = kv.Substring (pos+1);
  70
  71                                         Add (new HttpCookie (key.Trim (), val.Trim()));
  72                                 }
  73                         }
  74                 }
  75
  76                 public HttpCookieCollection ()
  77                 {
  78                 }
  79
  80                 public void Add (HttpCookie cookie)
  81                 {
  82                         if (BaseGet (cookie.Name) != null)
  83                                 return;
  84
  85                         BaseAdd (cookie.Name, cookie);
  86                 }
  87
  88                 public void Clear ()
  89                 {
  90                         BaseClear ();
  91                 }
  92
  93                 public void CopyTo (Array array, int index)
  94                 {
  95                         /* XXX this is kind of gross and inefficient
  96                          * since it makes a copy of the superclass's
  97                          * list */
  98                         object[] values = BaseGetAllValues();
  99                         values.CopyTo (array, index);
 100                 }
 101
 102                 public string GetKey (int index)
 103                 {
 104                         HttpCookie cookie = (HttpCookie)BaseGet (index);
 105                         if (cookie == null)
 106                                 return null;
 107                         else
 108                                 return cookie.Name;
 109                 }
 110
 111                 public void Remove (string name)
 112                 {
 113                         BaseRemove (name);
 114                 }
 115
 116                 public void Set (HttpCookie cookie)
 117                 {
 118                         BaseSet (cookie.Name, cookie);
 119                 }
 120
 121                 public HttpCookie Get (int index)
 122                 {
 123                         return (HttpCookie)BaseGet (index);
 124                 }
 125
 126                 public HttpCookie Get (string name)
 127                 {
 128                         return (HttpCookie)BaseGet (name);
 129                 }
 130
 131                 public HttpCookie this [int index]
 132                 {
 133                         get {
 134                                 return (HttpCookie)BaseGet (index);
 135                         }
 136                 }
 137
 138                 public HttpCookie this [string name]
 139                 {
 140                         get {
 141                                 HttpCookie cookie = (HttpCookie)BaseGet (name);
 142                                 if (!IsReadOnly && auto_fill && cookie == null) {
 143                                         cookie = new HttpCookie (name);
 144                                         BaseAdd (name, cookie);
 145                                 }
 146                                 return cookie;
 147                         }
 148                 }
 149
 150                 public string[] AllKeys {
 151                         get {
 152                                 /* XXX another inefficient copy due to
 153                                  * lack of exposure from the base
 154                                  * class */
 155                                 string[] keys = new string [Keys.Count];
 156                                 for (int i = 0; i < Keys.Count; i ++)
 157                                         keys[i] = Keys[i];
 158
 159                                 return keys;
 160                         }
 161                 }
 162         }
 163 }
 164