2 // System.Security.Policy.StrongNameMembershipCondition.cs
5 // Duncan Mak (duncan@ximian.com)
6 // Sebastien Pouliot <sebastien@ximian.com>
8 // (C) 2003 Duncan Mak, Ximian Inc.
9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
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.
31 using System
.Globalization
;
32 using System
.Security
.Permissions
;
34 namespace System
.Security
.Policy
{
37 public sealed class StrongNameMembershipCondition
: IMembershipCondition
, IConstantMembershipCondition
{
39 private readonly int version
= 1;
41 private StrongNamePublicKeyBlob blob
;
43 private Version assemblyVersion
;
45 public StrongNameMembershipCondition (StrongNamePublicKeyBlob blob
, string name
, Version version
)
48 throw new ArgumentNullException ("blob");
52 assemblyVersion
= version
;
55 // for PolicyLevel (to avoid validation duplication)
56 internal StrongNameMembershipCondition (SecurityElement e
)
61 // so System.Activator.CreateInstance can create an instance...
62 internal StrongNameMembershipCondition ()
73 public Version Version
{
74 get { return assemblyVersion; }
75 set { assemblyVersion = value; }
78 public StrongNamePublicKeyBlob PublicKey
{
82 throw new ArgumentNullException (
83 Locale
.GetText ("The argument is null."));
88 public bool Check (Evidence evidence
)
93 foreach (object o
in evidence
) {
94 if (o
is StrongName
) {
95 StrongName sn
= (o
as StrongName
);
96 /* ??? partial match ??? */
97 if (sn
.PublicKey
.Equals (blob
) && (sn
.Name
== name
) && (sn
.Version
.Equals (assemblyVersion
)))
104 public IMembershipCondition
Copy ()
106 return new StrongNameMembershipCondition (blob
, name
, assemblyVersion
);
109 public override bool Equals (object o
)
111 if (o
is StrongNameMembershipCondition
== false)
114 StrongNameMembershipCondition snmc
= (StrongNameMembershipCondition
) o
;
115 return (snmc
.Name
== Name
&& snmc
.Version
== Version
&& snmc
.PublicKey
== PublicKey
);
119 public override int GetHashCode ()
121 return blob
.GetHashCode ();
124 public void FromXml (SecurityElement e
)
129 public void FromXml (SecurityElement e
, PolicyLevel level
)
131 MembershipConditionHelper
.CheckSecurityElement (e
, "e", version
, version
);
133 blob
= StrongNamePublicKeyBlob
.FromString (e
.Attribute ("PublicKeyBlob"));
134 name
= e
.Attribute ("Name");
135 string v
= (string) e
.Attribute ("AssemblyVersion");
137 assemblyVersion
= new Version ();
139 assemblyVersion
= new Version (v
);
142 public override string ToString ()
144 // ??? missing informations ???
145 return String
.Format ( "Strong Name - {0} name = {1} version {2}",
146 blob
, name
, assemblyVersion
);
149 public SecurityElement
ToXml ()
154 public SecurityElement
ToXml (PolicyLevel level
)
156 // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
157 SecurityElement se
= MembershipConditionHelper
.Element (typeof (StrongNameMembershipCondition
), version
);
160 se
.AddAttribute ("PublicKeyBlob", blob
.ToString ());
162 se
.AddAttribute ("Name", name
);
163 if (assemblyVersion
!= null) {
164 string v
= assemblyVersion
.ToString ();
166 se
.AddAttribute ("AssemblyVersion", v
);