class/corlib/System.Security.Policy/ApplicationTrustCollection.cs

   1 //
   2 // System.Security.Policy.ApplicationTrustCollection class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2004-2005 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
  30 using System.Collections;
  31 using System.Globalization;
  32 using System.Runtime.InteropServices;
  33
  34 namespace System.Security.Policy {
  35
  36         [ComVisible (true)]
  37         public sealed class ApplicationTrustCollection : ICollection, IEnumerable {
  38
  39                 private ArrayList _list;
  40
  41                 internal ApplicationTrustCollection ()
  42                 {
  43                         _list = new ArrayList ();
  44                 }
  45
  46                 // constants (from beta1 - still useful ?)
  47
  48 //              public const string ApplicationTrustProperty = "ApplicationTrust";
  49 //              public const string InstallReferenceIdentifier = "{3f471841-eef2-47d6-89c0-d028f03a4ad5}";
  50
  51                 // properties
  52
  53                 public int Count {
  54                         get { return _list.Count; }
  55                 }
  56
  57                 public bool IsSynchronized {
  58                         get { return false; }   // always false
  59                 }
  60
  61                 public object SyncRoot {
  62                         get { return this; }    // self
  63                 }
  64
  65                 public ApplicationTrust this [int index] {
  66                         get { return (ApplicationTrust) _list [index]; }
  67                 }
  68
  69                 public ApplicationTrust this [string appFullName] {
  70                         get {
  71                                 for (int i=0; i < _list.Count; i++) {
  72                                         ApplicationTrust at = (_list [i] as ApplicationTrust);
  73                                         if (at.ApplicationIdentity.FullName == appFullName)
  74                                                 return at;
  75                                 }
  76                                 return null;
  77                         }
  78                 }
  79
  80                 // methods
  81
  82                 public int Add (ApplicationTrust trust)
  83                 {
  84                         if (trust == null)
  85                                 throw new ArgumentNullException ("trust");
  86                         if (trust.ApplicationIdentity == null) {
  87                                 throw new ArgumentException (Locale.GetText (
  88                                         "ApplicationTrust.ApplicationIdentity can't be null."), "trust");
  89                         }
  90
  91                         return _list.Add (trust);
  92                 }
  93
  94                 public void AddRange (ApplicationTrust[] trusts)
  95                 {
  96                         if (trusts == null)
  97                                 throw new ArgumentNullException ("trusts");
  98
  99                         foreach (ApplicationTrust t in trusts) {
 100                                 if (t.ApplicationIdentity == null) {
 101                                         throw new ArgumentException (Locale.GetText (
 102                                                 "ApplicationTrust.ApplicationIdentity can't be null."), "trust");
 103                                 }
 104                                 _list.Add (t);
 105                         }
 106                 }
 107
 108                 public void AddRange (ApplicationTrustCollection trusts)
 109                 {
 110                         if (trusts == null)
 111                                 throw new ArgumentNullException ("trusts");
 112
 113                         foreach (ApplicationTrust t in trusts) {
 114                                 if (t.ApplicationIdentity == null) {
 115                                         throw new ArgumentException (Locale.GetText (
 116                                                 "ApplicationTrust.ApplicationIdentity can't be null."), "trust");
 117                                 }
 118                                 _list.Add (t);
 119                         }
 120                 }
 121
 122                 public void Clear ()
 123                 {
 124                         _list.Clear ();
 125                 }
 126
 127                 public void CopyTo (ApplicationTrust[] array, int index)
 128                 {
 129                         _list.CopyTo (array, index);
 130                 }
 131
 132                 void ICollection.CopyTo (Array array, int index)
 133                 {
 134                         _list.CopyTo (array, index);
 135                 }
 136
 137                 public ApplicationTrustCollection Find (ApplicationIdentity applicationIdentity, ApplicationVersionMatch versionMatch)
 138                 {
 139                         if (applicationIdentity == null)
 140                                 throw new ArgumentNullException ("applicationIdentity");
 141
 142                         string fullname = applicationIdentity.FullName;
 143
 144                         switch (versionMatch) {
 145                         case ApplicationVersionMatch.MatchAllVersions:
 146                                 int pos = fullname.IndexOf (", Version=");
 147                                 if (pos >= 0)
 148                                         fullname = fullname.Substring (0, pos);
 149                                 break;
 150                         case ApplicationVersionMatch.MatchExactVersion:
 151                                 break;
 152                         default:
 153                                 throw new ArgumentException ("versionMatch");
 154                         }
 155
 156                         ApplicationTrustCollection coll = new ApplicationTrustCollection ();
 157                         foreach (ApplicationTrust t in _list) {
 158                                 if (t.ApplicationIdentity.FullName.StartsWith (fullname)) {
 159                                         coll.Add (t);
 160                                 }
 161                         }
 162
 163                         return coll;
 164                 }
 165
 166                 public ApplicationTrustEnumerator GetEnumerator ()
 167                 {
 168                         return new ApplicationTrustEnumerator (this);
 169                 }
 170
 171                 IEnumerator IEnumerable.GetEnumerator ()
 172                 {
 173                         return (IEnumerator) new ApplicationTrustEnumerator (this);
 174                 }
 175
 176                 public void Remove (ApplicationTrust trust)
 177                 {
 178                         if (trust == null)
 179                                 throw new ArgumentNullException ("trust");
 180                         if (trust.ApplicationIdentity == null) {
 181                                 throw new ArgumentException (Locale.GetText (
 182                                         "ApplicationTrust.ApplicationIdentity can't be null."), "trust");
 183                         }
 184
 185                         RemoveAllInstances (trust);
 186                 }
 187
 188                 public void Remove (ApplicationIdentity applicationIdentity, ApplicationVersionMatch versionMatch)
 189                 {
 190                         ApplicationTrustCollection coll = Find (applicationIdentity, versionMatch);
 191                         foreach (ApplicationTrust t in coll) {
 192                                 RemoveAllInstances (t);
 193                         }
 194                 }
 195
 196                 public void RemoveRange (ApplicationTrust[] trusts)
 197                 {
 198                         if (trusts == null)
 199                                 throw new ArgumentNullException ("trusts");
 200
 201                         foreach (ApplicationTrust t in trusts) {
 202                                 RemoveAllInstances (t);
 203                         }
 204                 }
 205
 206                 public void RemoveRange (ApplicationTrustCollection trusts)
 207                 {
 208                         if (trusts == null)
 209                                 throw new ArgumentNullException ("trusts");
 210
 211                         foreach (ApplicationTrust t in trusts) {
 212                                 RemoveAllInstances (t);
 213                         }
 214                 }
 215
 216                 // helpers
 217
 218                 internal void RemoveAllInstances (ApplicationTrust trust)
 219                 {
 220                         for (int i=_list.Count - 1; i >= 0; i--) {
 221                                 if (trust.Equals (_list [i]))
 222                                         _list.RemoveAt (i);
 223                         }
 224                 }
 225         }
 226 }
 227