2 // System.Security.Policy.Url.cs
5 // Duncan Mak (duncan@ximian.com)
6 // Sebastien Pouliot <sebastien@ximian.com>
8 // (C) 2003 Ximian, Inc (http://www.ximian.com)
9 // (C) 2004 Motus Technologies Inc. (http://www.motus.com)
10 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Globalization;
33 using System.Security.Permissions;
37 namespace System.Security.Policy {
40 public sealed class Url: IIdentityPermissionFactory, IBuiltInEvidence {
42 private string origin_url;
44 public Url (string name)
49 internal Url (string name, bool validated)
51 origin_url = validated ? name : Prepare (name);
58 // dont re-validate the Url
59 return new Url (origin_url, true);
62 public IPermission CreateIdentityPermission (Evidence evidence)
64 return new UrlIdentityPermission (origin_url);
67 public override bool Equals (object o)
69 if (o is System.Security.Policy.Url)
70 return (String.Compare (((Url) o).Value, Value, true, CultureInfo.InvariantCulture) == 0);
74 public override int GetHashCode ()
76 return origin_url.GetHashCode ();
79 public override string ToString ()
81 SecurityElement element = new SecurityElement ("System.Security.Policy.Url");
82 element.AddAttribute ("version", "1");
83 element.AddChild (new SecurityElement ("Url", origin_url));
84 return element.ToString ();
88 get { return origin_url; }
91 // interface IBuiltInEvidence
93 int IBuiltInEvidence.GetRequiredSize (bool verbose)
95 return (verbose ? 3 : 1) + origin_url.Length;
99 int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
105 int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
112 internal string Prepare (string url)
115 throw new ArgumentNullException ("Url");
116 if (url == String.Empty)
117 throw new FormatException (Locale.GetText ("Invalid (empty) Url"));
119 // is a protocol specified
120 int protocolPos = url.IndexOf (Uri.SchemeDelimiter); // '://'
121 if (protocolPos > 0) {
122 if (url.StartsWith ("file://")) {
123 // convert file url into uppercase
124 url = "file://" + url.Substring (7).ToUpperInvariant ();
127 // add a trailing slash if none (lonely one) is present
128 if (url.LastIndexOf ("/") == protocolPos + 2)
133 // add file scheme (default) and convert url to uppercase
134 url = "file://" + url.ToUpperInvariant ();
137 // don't escape and don't reduce (e.g. '.' and '..')
138 Uri uri = new Uri (url, false, false);
139 if ((uri.Host.IndexOf ('*') < 0) || (uri.Host.Length < 2)) // lone star case
140 url = uri.ToString ();
142 string msg = Locale.GetText ("Invalid * character in url");
143 throw new ArgumentException (msg, "name");