[corlib] Parse datetime string using culture calendar. Fixes #18052
[mono.git] / mcs / class / corlib / System.Security.Policy / StrongNameMembershipCondition.cs
index 3bd570070a30db74f515e286542a9d9d67dd3d53..7b29b47231f88255067ef4b92183e94c1b6566cc 100644 (file)
 //
 // Author:
 //      Duncan Mak (duncan@ximian.com)
+//     Sebastien Pouliot  <sebastien@ximian.com>
 //
 // (C) 2003 Duncan Mak, Ximian Inc.
+// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
-
-using System;
+using System.Collections;
 using System.Globalization;
 using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Text;
 
 namespace System.Security.Policy {
 
-        public sealed class StrongNameMembershipCondition
-                : IMembershipCondition, ISecurityEncodable, ISecurityPolicyEncodable
-        {
+       [Serializable]
+       [ComVisible (true)]
+        public sealed class StrongNameMembershipCondition : IMembershipCondition, IConstantMembershipCondition {
+
+               private readonly int version = 1;
 
-                StrongNamePublicKeyBlob blob;
-                string name;
-                Version version;
+               private StrongNamePublicKeyBlob blob;
+               private string name;
+               private Version assemblyVersion;
                 
-                public StrongNameMembershipCondition (
-                        StrongNamePublicKeyBlob blob, string name, Version version)
+                public StrongNameMembershipCondition (StrongNamePublicKeyBlob blob, string name, Version version)
                 {
-
                         if (blob == null)
-                                throw new ArgumentNullException (
-                                        Locale.GetText ("The argument is null."));
+                                throw new ArgumentNullException ("blob");
 
                         this.blob = blob;
                         this.name = name;
-                        this.version = version;
+                       if (version != null)
+                               assemblyVersion = (Version) version.Clone ();
                 }
 
-                public string Name {
+               // for PolicyLevel (to avoid validation duplication)
+               internal StrongNameMembershipCondition (SecurityElement e)
+               {
+                       FromXml (e);
+               }
 
-                        get { return name; }
+               // so System.Activator.CreateInstance can create an instance...
+               internal StrongNameMembershipCondition ()
+               {
+               }
+
+               // properties
 
+                public string Name {
+                        get { return name; }
                         set { name = value; }
                 }
 
                 public Version Version {
-
-                        get { return version; }
-
-                        set { version = value; }
+                        get { return assemblyVersion; }
+                        set { assemblyVersion = value; }
                 }
 
                 public StrongNamePublicKeyBlob PublicKey {
-
                         get { return blob; }
-
                         set {
                                 if (value == null)
-                                        throw new ArgumentNullException (
-                                                Locale.GetText ("The argument is null."));
-
+                                        throw new ArgumentNullException ("PublicKey");
                                blob = value;
                        }
                }
 
-               [MonoTODO ("How do you check for StrongName from an Evidence?")]
                public bool Check (Evidence evidence)
                {
+                       if (evidence == null)
+                               return false;
+
+                       IEnumerator e = evidence.GetHostEnumerator ();
+                       while (e.MoveNext ()) {
+                               StrongName sn = (e.Current as StrongName);
+                               if (sn != null) {
+                                       if (!sn.PublicKey.Equals (blob))
+                                               return false;
+                                       if ((name != null) && (name != sn.Name))
+                                               return false;
+                                       if ((assemblyVersion != null) && !assemblyVersion.Equals (sn.Version))
+                                               return false;
+                                       return true;
+                               }
+                       }
                        return false;
                }
 
                public IMembershipCondition Copy ()
                {
-                       return new StrongNameMembershipCondition (blob, name, version);
+                       return new StrongNameMembershipCondition (blob, name, assemblyVersion);
                }
 
                public override bool Equals (object o)
-               {        
-                       if (o is StrongName == false)
+               {
+                       StrongNameMembershipCondition snmc = (o as StrongNameMembershipCondition);
+                       if (snmc == null)
                                return false;
-
-                       else {
-                               StrongName sn = (StrongName) o;
-                               return (sn.Name == Name && sn.Version == Version && sn.PublicKey == PublicKey);
-                       }
+                       if (!snmc.PublicKey.Equals (PublicKey))
+                               return false;
+                       if (name != snmc.Name)
+                               return false;
+                       if (assemblyVersion != null)
+                               return assemblyVersion.Equals (snmc.Version);
+                       return (snmc.Version == null);
                }
 
                public override int GetHashCode ()
                {
+                       // name and version aren't part of the calculation
                        return blob.GetHashCode ();
                }
 
@@ -94,24 +140,28 @@ namespace System.Security.Policy {
                        FromXml (e, null);
                }
 
-               [MonoTODO ("Check for parameter validity")]
                public void FromXml (SecurityElement e, PolicyLevel level)
                {
-                        if (e == null)
-                                throw new ArgumentNullException (
-                                        Locale.GetText ("The argument is null."));
-
-                        System.Collections.Hashtable attrs = e.Attributes;
-
-                        blob = StrongNamePublicKeyBlob.FromString (attrs ["PublicKeyBlob"] as String);
-                        name = attrs ["Name"] as String;;
-                        version = new Version (attrs ["AssemblyVersion"] as String);
-                }
+                       MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
+
+                       blob = StrongNamePublicKeyBlob.FromString (e.Attribute ("PublicKeyBlob"));
+                       name = e.Attribute ("Name");
+                       string v = (string) e.Attribute ("AssemblyVersion");
+                       if (v == null)
+                               assemblyVersion = null;
+                       else
+                               assemblyVersion = new Version (v);
+               }
 
                 public override string ToString ()
                 {
-                        return String.Format ( "Strong Name - {0} name = {1} version {2}",
-                                        blob, name, version);
+                       StringBuilder sb = new StringBuilder ("StrongName - ");
+                       sb.Append (blob);
+                       if (name != null)
+                               sb.AppendFormat (" name = {0}", name);
+                       if (assemblyVersion != null)
+                               sb.AppendFormat (" version = {0}", assemblyVersion);
+                       return sb.ToString ();
                 }
 
                 public SecurityElement ToXml ()
@@ -121,15 +171,19 @@ namespace System.Security.Policy {
 
                 public SecurityElement ToXml (PolicyLevel level)
                 {
-                        SecurityElement element = new SecurityElement ("IMembershipCondition");
-                        element.AddAttribute ("class", this.GetType ().AssemblyQualifiedName);
-                        element.AddAttribute ("version", "1");
-
-                        element.AddAttribute ("PublicKeyBlob", blob.ToString ());
-                        element.AddAttribute ("Name", name);
-                        element.AddAttribute ("AssemblyVersion", version.ToString ());
-
-                        return element;
+                       // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
+                       SecurityElement se = MembershipConditionHelper.Element (typeof (StrongNameMembershipCondition), version);
+
+                       if (blob != null)
+                               se.AddAttribute ("PublicKeyBlob", blob.ToString ());
+                       if (name != null)
+                               se.AddAttribute ("Name", name);
+                       if (assemblyVersion != null) {
+                               string v = assemblyVersion.ToString ();
+                               if (v != "0.0")
+                                       se.AddAttribute ("AssemblyVersion", v);
+                       }
+                       return se;
                 }
         }
 }