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) 2004-2005 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.Runtime.InteropServices;
34 using System.Security.Permissions;
38 namespace System.Security.Policy {
44 public sealed class Url: IIdentityPermissionFactory, IBuiltInEvidence {
46 private string origin_url;
48 public Url (string name)
53 internal Url (string name, bool validated)
55 origin_url = validated ? name : Prepare (name);
62 // dont re-validate the Url
63 return new Url (origin_url, true);
66 public IPermission CreateIdentityPermission (Evidence evidence)
68 return new UrlIdentityPermission (origin_url);
71 public override bool Equals (object o)
73 Url u = (o as System.Security.Policy.Url);
77 string url1 = u.Value;
78 string url2 = origin_url;
80 if (url1.IndexOf (Uri.SchemeDelimiter) < 0)
81 url1 = "file://" + url1;
82 if (url2.IndexOf (Uri.SchemeDelimiter) < 0)
83 url2 = "file://" + url2;
85 return (String.Compare (url1, url2, true, CultureInfo.InvariantCulture) == 0);
88 public override int GetHashCode ()
90 string s = origin_url;
92 if (s.IndexOf (Uri.SchemeDelimiter) < 0)
95 return s.GetHashCode ();
98 public override string ToString ()
100 SecurityElement element = new SecurityElement ("System.Security.Policy.Url");
101 element.AddAttribute ("version", "1");
102 element.AddChild (new SecurityElement ("Url", origin_url));
103 return element.ToString ();
106 public string Value {
107 get { return origin_url; }
110 // interface IBuiltInEvidence
112 int IBuiltInEvidence.GetRequiredSize (bool verbose)
114 return (verbose ? 3 : 1) + origin_url.Length;
117 [MonoTODO ("IBuiltInEvidence")]
118 int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
123 [MonoTODO ("IBuiltInEvidence")]
124 int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
131 private string Prepare (string url)
134 throw new ArgumentNullException ("Url");
135 if (url == String.Empty)
136 throw new FormatException (Locale.GetText ("Invalid (empty) Url"));
138 int protocolPos = url.IndexOf (Uri.SchemeDelimiter); // '://'
139 if (protocolPos > 0) {
140 if (url.StartsWith ("file://")) {
141 // convert file url into uppercase
142 url = "file://" + url.Substring (7);
144 // don't escape and don't reduce (e.g. '.' and '..')
145 Uri uri = new Uri (url, false, false);
146 url = uri.ToString ();
149 int lastpos = url.Length - 1;
150 if (url [lastpos] == '/')
151 url = url.Substring (0, lastpos);
156 private string Prepare (string url)
159 throw new ArgumentNullException ("Url");
160 if (url == String.Empty)
161 throw new FormatException (Locale.GetText ("Invalid (empty) Url"));
163 int protocolPos = url.IndexOf (Uri.SchemeDelimiter); // '://'
164 if (protocolPos > 0) {
165 if (url.StartsWith ("file://")) {
166 // convert file url into uppercase
167 url = "file://" + url.Substring (7).ToUpperInvariant ();
169 // add a trailing slash if none (lonely one) is present
170 if (url.LastIndexOf ("/") == protocolPos + 2)
174 // add file scheme (default) and convert url to uppercase
175 url = "file://" + url.ToUpperInvariant ();
178 // don't escape and don't reduce (e.g. '.' and '..')
179 Uri uri = new Uri (url, false, false);
180 if ((uri.Host.IndexOf ('*') < 0) || (uri.Host.Length < 2)) // lone star case
181 url = uri.ToString ();
183 string msg = Locale.GetText ("Invalid * character in url");
184 throw new ArgumentException (msg, "name");