New tests.
[mono.git] / mcs / class / corlib / System.Security.Policy / UrlMembershipCondition.cs
index 5cb12c115f7a8aa7e57a0d514fe9c840b00f896b..2098239bcb87b73000db0b68cab9cc916dc503aa 100644 (file)
@@ -3,14 +3,11 @@
 //
 // Authors:
 //     Duncan Mak (duncan@ximian.com)
-//     Sebastien Pouliot (spouliot@motus.com)
+//     Sebastien Pouliot  <sebastien@ximian.com>
 //
 // (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
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
-using System;
+using System.Collections;
 using System.Globalization;
+using System.Runtime.InteropServices;
+
+using Mono.Security;
 
 namespace System.Security.Policy {
 
        [Serializable]
-        public sealed class UrlMembershipCondition
-                : IMembershipCondition, ISecurityEncodable, ISecurityPolicyEncodable, IConstantMembershipCondition
-        {
-                string url;
+       [ComVisible (true)]
+       public sealed class UrlMembershipCondition : IMembershipCondition, IConstantMembershipCondition {
+
+               private readonly int version = 1;
+
+               private Url url;
+               private string userUrl;
                 
                 public UrlMembershipCondition (string url)
                 {
-                        this.url = System.Security.Policy.Url.Prepare (url);
+                       if (url == null)
+                               throw new ArgumentNullException ("url");
+                       CheckUrl (url);
+                       userUrl = url;
+                        this.url = new 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; }
-                       set { url = System.Security.Policy.Url.Prepare (value); }
+                        get {
+                               if (userUrl == null)
+                                       userUrl = url.Value;
+                               return userUrl;
+                       }
+                       set { url = new Url (value); }
                 }
 
+               // methods
+
                 public bool Check (Evidence evidence)
                 {
                        if (evidence == null)
                                return false;
 
-                       foreach (object o in evidence) {
-                               Url u = (o as Url);
-                               if (u != null) {
+                       string u = url.Value;
+                       int wildcard = u.LastIndexOf ("*");     // partial match with a wildcard at the end
+                       if (wildcard == -1)
+                               wildcard = u.Length;            // exact match
+
+                       IEnumerator e = evidence.GetHostEnumerator ();
+                       while (e.MoveNext ()) {
+                               if (e.Current is Url) {
                                        // note: there shouldn't be more than one Url evidence
-                                       if (System.Security.Policy.Url.Compare (url, u.Value))
+                                       if (String.Compare (u, 0, (e.Current as Url).Value, 0, wildcard,
+                                               true, CultureInfo.InvariantCulture) == 0) {
                                                return true;
+                                       }
+                                       // but we must check for all of them!
                                }
                        }
                         return false;
@@ -71,40 +102,46 @@ 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) {
-                               return System.Security.Policy.Url.Compare (url, ((UrlMembershipCondition) o).Url);
+               public override bool Equals (object o)
+               {
+                       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;
-                }
 
-                public void FromXml (SecurityElement element)
+                       return (String.Compare (u, 0, umc.Url, 0, length, true, CultureInfo.InvariantCulture) == 0);
+               }
+
+                public void FromXml (SecurityElement e)
                 {
-                        FromXml (element, null);
+                        FromXml (e, null);
                 }
 
-               public void FromXml (SecurityElement element, PolicyLevel level)
+               public void FromXml (SecurityElement e, PolicyLevel level)
                {
-                       if (element == null)
-                               throw new ArgumentNullException ("element");
+                       MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
                        
-                       if (element.Tag != "IMembershipCondition")
-                               throw new ArgumentException (
-                                       Locale.GetText ("Invalid tag - expected IMembershipCondition"));
-
-                       if (element.Attribute ("class") != GetType ().AssemblyQualifiedName)
-                               throw new ArgumentException (
-                                       Locale.GetText ("Invalid class attribute"));
-
-                       if (element.Attribute ("version") != "1")
-                               throw new ArgumentException (
-                                       Locale.GetText ("Invalid version"));
-                       
-                       url = element.Attribute ("Url");
+                       string u = e.Attribute ("Url");
+                       if (u != null) {
+                               CheckUrl (u);
+                               url = new Url (u);
+                       } else {
+                               url = null;
+                       }
+                       userUrl = u;
                }
 
                 public override int GetHashCode ()
@@ -114,7 +151,7 @@ namespace System.Security.Policy {
 
                 public override string ToString ()
                 {
-                        return "Url - " + url;
+                        return "Url - " + Url;
                 }
 
                 public SecurityElement ToXml ()
@@ -124,11 +161,28 @@ 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 ("Url", url);
-                        return element;
+                       // PolicyLevel isn't used as there's no need to resolve NamedPermissionSet references
+                       SecurityElement se = MembershipConditionHelper.Element (typeof (UrlMembershipCondition), version);
+                        se.AddAttribute ("Url", userUrl);
+                        return se;
                 }
+
+               // internal stuff
+
+               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");
+                       }
+               }
         }
 }