2008-01-15 Stephane Delcroix <sdelcroix@novell.com>
[mono.git] / mcs / class / corlib / System.Security.Policy / UrlMembershipCondition.cs
index af0c9b1f4bb1573e89c22ac82d329009895242c9..1d2a415f7475f9e28b03eef8c8431c0c736fbdfb 100644 (file)
@@ -7,7 +7,7 @@
 //
 // (C) 2003, Ximian Inc.
 // (C) 2004 Motus Technologies Inc. (http://www.motus.com)
-// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+// 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
 
 using System.Collections;
 using System.Globalization;
+using System.Runtime.InteropServices;
+
+using Mono.Security;
 
 namespace System.Security.Policy {
 
        [Serializable]
-        public sealed class UrlMembershipCondition : IMembershipCondition, IConstantMembershipCondition {
+#if NET_2_0
+       [ComVisible (true)]
+#endif
+       public sealed class UrlMembershipCondition : IMembershipCondition, IConstantMembershipCondition {
 
                private readonly int version = 1;
 
                private Url url;
+               private string userUrl;
                 
                 public UrlMembershipCondition (string url)
                 {
+                       if (url == null)
+                               throw new ArgumentNullException ("url");
+#if NET_2_0
+                       CheckUrl (url);
+                       userUrl = url;
+                        this.url = new Url (url);
+#else
                         this.url = new Url (url);
+                       userUrl = this.url.Value;
+#endif
                 }
 
-               internal UrlMembershipCondition (Url url)
+               internal UrlMembershipCondition (Url url, string userUrl)
                {
                        // as the Url object has already been validated there's no
                        // need to restart the whole process by converting to string
                        this.url = (Url) url.Copy ();
+                       this.userUrl = userUrl;
                }
 
                // properties
 
                 public string Url {
-                        get { return url.Value; }
+                        get {
+                               if (userUrl == null)
+                                       userUrl = url.Value;
+                               return userUrl;
+                       }
                        set { url = new Url (value); }
                 }
 
@@ -88,21 +109,27 @@ namespace System.Security.Policy {
 
                 public IMembershipCondition Copy ()
                 {
-                        return new UrlMembershipCondition (url);
+                        return new UrlMembershipCondition (url, userUrl);
                 }
 
                public override bool Equals (object o)
                {
-                       if (o is UrlMembershipCondition) {
-                               string u = url.Value;
-                               int wildcard = u.LastIndexOf ("*");     // partial match with a wildcard at the end
-                               if (wildcard == -1)
-                                       wildcard = u.Length;            // exact match
-
-                               return (String.Compare (u, 0, (o as UrlMembershipCondition).Url,
-                                       0, wildcard, true, CultureInfo.InvariantCulture) == 0);
+                       UrlMembershipCondition umc = (o as UrlMembershipCondition);
+                       if (o == null)
+                               return false;
+
+                       string u = url.Value;
+                       int length = u.Length; // exact match
+
+                       // partial match with a wildcard at the end
+                       if (u [length - 1] == '*') {
+                               length--;
+                               // in this case the last / could be ommited
+                               if (u [length - 1] == '/')
+                                       length--;
                        }
-                       return false;
+
+                       return (String.Compare (u, 0, umc.Url, 0, length, true, CultureInfo.InvariantCulture) == 0);
                }
 
                 public void FromXml (SecurityElement element)
@@ -115,7 +142,17 @@ namespace System.Security.Policy {
                        MembershipConditionHelper.CheckSecurityElement (element, "element", version, version);
                        
                        string u = element.Attribute ("Url");
+#if NET_2_0
+                       if (u != null) {
+                               CheckUrl (u);
+                               url = new Url (u);
+                       } else {
+                               url = null;
+                       }
+#else
                        url = (u == null) ? null : new Url (u);
+#endif
+                       userUrl = u;
                }
 
                 public override int GetHashCode ()
@@ -125,7 +162,7 @@ namespace System.Security.Policy {
 
                 public override string ToString ()
                 {
-                        return "Url - " + url.Value;
+                        return "Url - " + Url;
                 }
 
                 public SecurityElement ToXml ()
@@ -137,8 +174,28 @@ namespace System.Security.Policy {
                 {
                        // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
                        SecurityElement se = MembershipConditionHelper.Element (typeof (UrlMembershipCondition), version);
-                        se.AddAttribute ("Url", url.Value);
+                        se.AddAttribute ("Url", userUrl);
                         return se;
                 }
+
+               // internal stuff
+
+#if NET_2_0
+               internal void CheckUrl (string url)
+               {
+                       // In .NET 1.x Url class checked the validity of the 
+                       // URL but that's no more the case in 2.x - but we 
+                       // still need the check done here
+                       int protocolPos = url.IndexOf (Uri.SchemeDelimiter);
+                       string u = (protocolPos < 0) ? "file://" + url : url;
+
+                       Uri uri = new Uri (u, false, false);
+                       // no * except for the "lone star" case
+                       if (uri.Host.IndexOf ('*') >= 1) {
+                               string msg = Locale.GetText ("Invalid * character in url");
+                               throw new ArgumentException (msg, "name");
+                       }
+               }
+#endif
         }
 }