mcs/class/System/System.Security.Cryptography.X509Certificates/X509CertificateCollection.cs

   1 //
   2 // System.Security.Cryptography.X509Certificates.X509CertificateCollection
   3 //
   4 // Authors:
   5 //      Lawrence Pit (loz@cable.a2000.nl)
   6 //      Sebastien Pouliot (spouliot@motus.com)
   7 //
   8 // Copyright (C) 2004 Novell (http://www.novell.com)
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System;
  33 using System.Collections;
  34 using System.Globalization;
  35 using System.Security.Cryptography;
  36
  37 namespace System.Security.Cryptography.X509Certificates {
  38
  39 [Serializable]
  40 public class X509CertificateCollection : CollectionBase, IEnumerable {
  41
  42         public X509CertificateCollection ()
  43         {
  44         }
  45
  46         public X509CertificateCollection (X509Certificate [] value)
  47         {
  48                 AddRange (value);
  49         }
  50
  51         public X509CertificateCollection (X509CertificateCollection value)
  52         {
  53                 AddRange (value);
  54         }
  55
  56         // Properties
  57
  58         public X509Certificate this [int index] {
  59                 get { return (X509Certificate) InnerList [index]; }
  60                 set { InnerList [index] = value; }
  61         }
  62
  63         // Methods
  64
  65         public int Add (X509Certificate value)
  66         {
  67                 if (value == null)
  68                         throw new ArgumentNullException ("value");
  69
  70                 return InnerList.Add (value);
  71         }
  72
  73         public void AddRange (X509Certificate [] value)
  74         {
  75                 if (value == null)
  76                         throw new ArgumentNullException ("value");
  77
  78                 for (int i = 0; i < value.Length; i++)
  79                         InnerList.Add (value [i]);
  80         }
  81
  82         public void AddRange (X509CertificateCollection value)
  83         {
  84                 if (value == null)
  85                         throw new ArgumentNullException ("value");
  86
  87                 for (int i = 0; i < value.InnerList.Count; i++)
  88                         InnerList.Add (value [i]);
  89         }
  90
  91         public bool Contains (X509Certificate value)
  92         {
  93                 if (value == null)
  94                         return false;
  95
  96                 byte[] hash = value.GetCertHash ();
  97                 for (int i=0; i < InnerList.Count; i++) {
  98                         X509Certificate x509 = (X509Certificate) InnerList [i];
  99                         if (Compare (x509.GetCertHash (), hash))
 100                                 return true;
 101                 }
 102                 return false;
 103         }
 104
 105         public void CopyTo (X509Certificate[] array, int index)
 106         {
 107                 InnerList.CopyTo (array, index);
 108         }
 109
 110         public new X509CertificateEnumerator GetEnumerator ()
 111         {
 112                 return new X509CertificateEnumerator (this);
 113         }
 114
 115         IEnumerator IEnumerable.GetEnumerator ()
 116         {
 117                 return InnerList.GetEnumerator ();
 118         }
 119
 120         public override int GetHashCode ()
 121         {
 122                 return InnerList.GetHashCode ();
 123         }
 124
 125         public int IndexOf (X509Certificate value)
 126         {
 127                 return InnerList.IndexOf (value);
 128         }
 129
 130         public void Insert (int index, X509Certificate value)
 131         {
 132                 InnerList.Insert (index, value);
 133         }
 134
 135         public void Remove (X509Certificate value)
 136         {
 137                 if (value == null)
 138                         throw new ArgumentNullException ("value");
 139                 if (IndexOf (value) == -1) {
 140                         throw new ArgumentException ("value",
 141                                 Locale.GetText ("Not part of the collection."));
 142                 }
 143
 144                 InnerList.Remove (value);
 145         }
 146
 147         // private stuff
 148
 149         private bool Compare (byte[] array1, byte[] array2)
 150         {
 151                 if ((array1 == null) && (array2 == null))
 152                         return true;
 153                 if ((array1 == null) || (array2 == null))
 154                         return false;
 155                 if (array1.Length != array2.Length)
 156                         return false;
 157                 for (int i=0; i < array1.Length; i++) {
 158                         if (array1 [i] != array2 [i])
 159                                 return false;
 160                 }
 161                 return true;
 162         }
 163
 164         // Inner Class
 165
 166         public class X509CertificateEnumerator : IEnumerator {
 167
 168                 private IEnumerator enumerator;
 169
 170                 // Constructors
 171
 172                 public X509CertificateEnumerator (X509CertificateCollection mappings)
 173                 {
 174                         enumerator = ((IEnumerable) mappings).GetEnumerator ();
 175                 }
 176
 177                 // Properties
 178
 179                 public X509Certificate Current {
 180                         get { return (X509Certificate) enumerator.Current; }
 181                 }
 182
 183                 object IEnumerator.Current {
 184                         get { return enumerator.Current; }
 185                 }
 186
 187                 // Methods
 188
 189                 bool IEnumerator.MoveNext ()
 190                 {
 191                         return enumerator.MoveNext ();
 192                 }
 193
 194                 void IEnumerator.Reset ()
 195                 {
 196                         enumerator.Reset ();
 197                 }
 198
 199                 public bool MoveNext ()
 200                 {
 201                         return enumerator.MoveNext ();
 202                 }
 203
 204                 public void Reset ()
 205                 {
 206                         enumerator.Reset ();
 207                 }
 208         }
 209 }
 210
 211 }
 212