2 // System.Security.Policy.Zone
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
6 // Sebastien Pouliot <sebastien@ximian.com>
8 // (C) 2002 Ximian, Inc (http://www.ximian.com)
9 // Copyright (C) 2004-2005 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.
32 using System.Globalization;
33 using System.Security.Permissions;
34 using System.Runtime.InteropServices;
38 namespace System.Security.Policy {
44 public sealed class Zone : IIdentityPermissionFactory, IBuiltInEvidence {
46 private SecurityZone zone;
48 public Zone (SecurityZone zone)
50 if (!Enum.IsDefined (typeof (SecurityZone), zone)) {
51 string msg = String.Format (Locale.GetText ("Invalid zone {0}."), zone);
52 throw new ArgumentException (msg, "zone");
60 public SecurityZone SecurityZone {
68 return new Zone (zone);
71 public IPermission CreateIdentityPermission (Evidence evidence)
73 return new ZoneIdentityPermission (zone);
76 [MonoTODO ("Not user configurable yet")]
77 public static Zone CreateFromUrl (string url)
80 throw new ArgumentNullException ("url");
82 SecurityZone z = SecurityZone.NoZone;
86 Uri uri = new Uri (url);
87 // TODO: apply zone configuration
88 // this is the only way to use the Trusted and Untrusted zones
90 if (z == SecurityZone.NoZone) {
91 // not part of configuration, the use default mapping
93 if (File.Exists (uri.LocalPath))
94 z = SecurityZone.MyComputer;
95 else if (String.Compare ("FILE://", 0, url, 0, 7, true, CultureInfo.InvariantCulture) == 0)
96 z = SecurityZone.Intranet; // non accessible file://
98 z = SecurityZone.Internet;
100 else if (uri.IsLoopback) { // e.g. http://localhost/x
101 z = SecurityZone.Intranet;
104 // all protocols, including unknown ones
105 z = SecurityZone.Internet;
112 public override bool Equals (object o)
114 Zone z = (o as Zone);
118 return (z.zone == zone);
121 public override int GetHashCode ()
126 public override string ToString ()
128 SecurityElement se = new SecurityElement ("System.Security.Policy.Zone");
129 se.AddAttribute ("version", "1");
130 se.AddChild (new SecurityElement ("Zone", zone.ToString ()));
131 return se.ToString ();
134 // interface IBuiltInEvidence
136 int IBuiltInEvidence.GetRequiredSize (bool verbose)
141 int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
143 int new_zone = (int) buffer [position++];
144 new_zone += buffer [position++];
148 int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
150 buffer [position++] = '\x0003';
151 buffer [position++] = (char) (((int) zone) >> 16);
152 buffer [position++] = (char) (((int) zone) & 0x0FFFF);