mcs/class/System.Web/System.Web/HttpClientCertificate.cs

   1 //
   2 // System.Web.HttpClientCertificate class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2005-2009 Novell, Inc (http://www.novell.com)
   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
  29 using System.Collections.Specialized;
  30 using System.Globalization;
  31 using System.Security.Permissions;
  32 using System.Web.Util;
  33
  34 namespace System.Web
  35 {
  36         // CAS
  37         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  38         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  39         public class HttpClientCertificate : NameValueCollection
  40         {
  41                 HttpWorkerRequest hwr;
  42                 int flags;
  43                 DateTime from;
  44                 DateTime until;
  45
  46                 internal HttpClientCertificate (HttpWorkerRequest hwr)
  47                 {
  48                         // we don't check hwr for null so we end up throwing a
  49                         // NullReferenceException just like MS implementation
  50                         // if the public ctor for HttpRequest is used
  51                         this.hwr = hwr;
  52                         flags = GetIntNoPresense ("CERT_FLAGS");
  53                         if (IsPresent) {
  54                                 from = hwr.GetClientCertificateValidFrom ();
  55                                 until = hwr.GetClientCertificateValidUntil ();
  56                         } else {
  57                                 from = DateTime.Now;
  58                                 until = from;
  59                         }
  60                 }
  61
  62                 public byte[] BinaryIssuer {
  63                         get { return hwr.GetClientCertificateBinaryIssuer (); }
  64                 }
  65
  66                 public int CertEncoding {
  67                         get { return hwr.GetClientCertificateEncoding (); }
  68                 }
  69
  70                 public byte[] Certificate {
  71                         get { return hwr.GetClientCertificate (); }
  72                 }
  73
  74                 public string Cookie {
  75                         get { return GetString ("CERT_COOKIE"); }
  76                 }
  77
  78                 public int Flags {
  79                         get { return flags; }
  80                 }
  81
  82                 public bool IsPresent {
  83                         get { return ((flags & 0x01) == 0x01); }
  84                 }
  85
  86                 public string Issuer {
  87                         get { return GetString ("CERT_ISSUER"); }
  88                 }
  89
  90                 public bool IsValid {
  91                         get {
  92                                 if (!IsPresent)
  93                                         return true; // lame but true
  94                                 // low on details
  95                                 return ((flags & 0x02) == 0x00);
  96                         }
  97                 }
  98
  99                 public int KeySize {
 100                         get { return GetInt ("CERT_KEYSIZE"); }
 101                 }
 102
 103                 public byte[] PublicKey {
 104                         get { return hwr.GetClientCertificatePublicKey (); }
 105                 }
 106
 107                 public int SecretKeySize {
 108                         get { return GetInt ("CERT_SECRETKEYSIZE"); }
 109                 }
 110
 111                 public string SerialNumber {
 112                         get { return GetString ("CERT_SERIALNUMBER"); }
 113                 }
 114
 115                 public string ServerIssuer {
 116                         get { return GetString ("CERT_SERVER_ISSUER"); }
 117                 }
 118
 119                 public string ServerSubject {
 120                         get { return GetString ("CERT_SERVER_SUBJECT"); }
 121                 }
 122
 123                 public string Subject {
 124                         get { return GetString ("CERT_SUBJECT"); }
 125                 }
 126
 127                 public DateTime ValidFrom {
 128                         get { return from; }
 129                 }
 130
 131                 public DateTime ValidUntil {
 132                         get { return until; }
 133                 }
 134
 135
 136                 // LAMESPEC: this doesn't return values added with Add(string,string)
 137                 public override string Get (string field)
 138                 {
 139                         switch (field) {
 140                         default:
 141                                 return String.Empty;
 142                         }
 143                 }
 144
 145                 // stuff
 146                 int GetInt (string variable)
 147                 {
 148                         if (!IsPresent)
 149                                 return 0;
 150
 151                         return GetIntNoPresense (variable);
 152                 }
 153
 154                 int GetIntNoPresense (string variable)
 155                 {
 156                         string s = hwr.GetServerVariable (variable);
 157                         if (s == null)
 158                                 return 0;
 159
 160                         try {
 161                                 return Int32.Parse (s, Helpers.InvariantCulture);
 162                         }
 163                         catch {
 164                                 return 0;
 165                         }
 166                 }
 167
 168                 string GetString (string variable)
 169                 {
 170                         if (!IsPresent)
 171                                 return String.Empty;
 172
 173                         string s = hwr.GetServerVariable (variable);
 174                         return (s == null) ? String.Empty : s;
 175                 }
 176         }
 177 }