mcs/class/corlib/Mono.Security.X509/X509CertificateCollection.cs

   1 //
   2 // Based on System.Security.Cryptography.X509Certificates.X509CertificateCollection
   3 //      in System assembly
   4 //
   5 // Authors:
   6 //      Lawrence Pit (loz@cable.a2000.nl)
   7 //      Sebastien Pouliot <sebastien@ximian.com>
   8 //
   9
  10 //
  11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System;
  34 using System.Collections;
  35
  36 namespace Mono.Security.X509 {
  37
  38         [Serializable]
  39 #if INSIDE_CORLIB
  40         internal
  41 #else
  42         public
  43 #endif
  44         class X509CertificateCollection : CollectionBase, IEnumerable {
  45
  46                 public X509CertificateCollection ()
  47                 {
  48                 }
  49
  50                 public X509CertificateCollection (X509Certificate [] value)
  51                 {
  52                         AddRange (value);
  53                 }
  54
  55                 public X509CertificateCollection (X509CertificateCollection value)
  56                 {
  57                         AddRange (value);
  58                 }
  59
  60                 // Properties
  61
  62                 public X509Certificate this [int index] {
  63                         get { return (X509Certificate) InnerList [index]; }
  64                         set { InnerList [index] = value; }
  65                 }
  66
  67                 // Methods
  68
  69                 public int Add (X509Certificate value)
  70                 {
  71                         if (value == null)
  72                                 throw new ArgumentNullException ("value");
  73
  74                         return InnerList.Add (value);
  75                 }
  76
  77                 public void AddRange (X509Certificate [] value)
  78                 {
  79                         if (value == null)
  80                                 throw new ArgumentNullException ("value");
  81
  82                         for (int i = 0; i < value.Length; i++)
  83                                 InnerList.Add (value [i]);
  84                 }
  85
  86                 public void AddRange (X509CertificateCollection value)
  87                 {
  88                         if (value == null)
  89                                 throw new ArgumentNullException ("value");
  90
  91                         for (int i = 0; i < value.InnerList.Count; i++)
  92                                 InnerList.Add (value [i]);
  93                 }
  94
  95                 public bool Contains (X509Certificate value)
  96                 {
  97                         return (IndexOf (value) != -1);
  98                 }
  99
 100                 public void CopyTo (X509Certificate[] array, int index)
 101                 {
 102                         InnerList.CopyTo (array, index);
 103                 }
 104
 105                 public new X509CertificateEnumerator GetEnumerator ()
 106                 {
 107                         return new X509CertificateEnumerator (this);
 108                 }
 109
 110                 IEnumerator IEnumerable.GetEnumerator ()
 111                 {
 112                         return InnerList.GetEnumerator ();
 113                 }
 114
 115                 public override int GetHashCode ()
 116                 {
 117                         return InnerList.GetHashCode ();
 118                 }
 119
 120                 public int IndexOf (X509Certificate value)
 121                 {
 122                         if (value == null)
 123                                 throw new ArgumentNullException ("value");
 124
 125                         byte[] hash = value.Hash;
 126                         for (int i=0; i < InnerList.Count; i++) {
 127                                 X509Certificate x509 = (X509Certificate) InnerList [i];
 128                                 if (Compare (x509.Hash, hash))
 129                                         return i;
 130                         }
 131                         return -1;
 132                 }
 133
 134                 public void Insert (int index, X509Certificate value)
 135                 {
 136                         InnerList.Insert (index, value);
 137                 }
 138
 139                 public void Remove (X509Certificate value)
 140                 {
 141                         InnerList.Remove (value);
 142                 }
 143
 144                 // private stuff
 145
 146                 private bool Compare (byte[] array1, byte[] array2)
 147                 {
 148                         if ((array1 == null) && (array2 == null))
 149                                 return true;
 150                         if ((array1 == null) || (array2 == null))
 151                                 return false;
 152                         if (array1.Length != array2.Length)
 153                                 return false;
 154                         for (int i=0; i < array1.Length; i++) {
 155                                 if (array1 [i] != array2 [i])
 156                                         return false;
 157                         }
 158                         return true;
 159                 }
 160
 161                 // Inner Class
 162
 163                 public class X509CertificateEnumerator : IEnumerator {
 164
 165                         private IEnumerator enumerator;
 166
 167                         // Constructors
 168
 169                         public X509CertificateEnumerator (X509CertificateCollection mappings)
 170                         {
 171                                 enumerator = ((IEnumerable) mappings).GetEnumerator ();
 172                         }
 173
 174                         // Properties
 175
 176                         public X509Certificate Current {
 177                                 get { return (X509Certificate) enumerator.Current; }
 178                         }
 179
 180                         object IEnumerator.Current {
 181                                 get { return enumerator.Current; }
 182                         }
 183
 184                         // Methods
 185
 186                         bool IEnumerator.MoveNext ()
 187                         {
 188                                 return enumerator.MoveNext ();
 189                         }
 190
 191                         void IEnumerator.Reset ()
 192                         {
 193                                 enumerator.Reset ();
 194                         }
 195
 196                         public bool MoveNext ()
 197                         {
 198                                 return enumerator.MoveNext ();
 199                         }
 200
 201                         public void Reset ()
 202                         {
 203                                 enumerator.Reset ();
 204                         }
 205                 }
 206         }
 207 }