1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
//
// System.Security.Policy.Site.cs
//
// Authors
// Duncan Mak (duncan@ximian.com)
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Ximian, Inc (http://www.ximian.com)
// Portions (C) 2004 Motus Technologies Inc. (http://www.motus.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
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Globalization;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using Mono.Security;
namespace System.Security.Policy {
[Serializable]
[ComVisible (true)]
public sealed class Site:
EvidenceBase,
IIdentityPermissionFactory, IBuiltInEvidence {
internal string origin_site;
public Site (string name)
{
if (name == null)
throw new ArgumentNullException ("url");
if (!IsValid (name))
throw new ArgumentException (Locale.GetText ("name is not valid"));
origin_site = name;
}
public static Site CreateFromUrl (string url)
{
if (url == null)
throw new ArgumentNullException ("url");
if (url.Length == 0)
throw new FormatException (Locale.GetText ("Empty URL."));
string site = UrlToSite (url);
if (site == null) {
string msg = String.Format (Locale.GetText ("Invalid URL '{0}'."), url);
throw new ArgumentException (msg, "url");
}
return new Site (site);
}
public object Copy ()
{
return new Site (origin_site);
}
public IPermission CreateIdentityPermission (Evidence evidence)
{
return new SiteIdentityPermission (origin_site);
}
public override bool Equals (object o)
{
Site s = (o as System.Security.Policy.Site);
if (s == null)
return false;
return (String.Compare (s.Name, origin_site, true, CultureInfo.InvariantCulture) == 0);
}
public override int GetHashCode ()
{
return origin_site.GetHashCode ();
}
public override string ToString ()
{
SecurityElement element = new SecurityElement ("System.Security.Policy.Site");
element.AddAttribute ("version", "1");
element.AddChild (new SecurityElement ("Name", origin_site));
return element.ToString ();
}
// properties
public string Name {
get { return origin_site; }
}
// interface IBuiltInEvidence
int IBuiltInEvidence.GetRequiredSize (bool verbose)
{
return (verbose ? 3 : 1) + origin_site.Length;
}
[MonoTODO ("IBuiltInEvidence")]
int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
{
return 0;
}
[MonoTODO ("IBuiltInEvidence")]
int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
{
return 0;
}
// internals
internal static bool IsValid (string name)
{
if (name == String.Empty)
return false;
if ((name.Length == 1) && (name == ".")) // split would remove .
return false;
string [] parts = name.Split ('.');
for (int i=0; i < parts.Length; i++) {
string part = parts [i];
if ((i == 0) && (part == "*")) // * (only in first part)
continue;
foreach (char c in part) {
int x = Convert.ToInt32 (c);
bool result = ((x == 33) || (x == 45) // !-
|| (x >= 35 && x <= 41) // #$%&'()
|| (x >= 48 && x <= 57) // 0-9
|| (x >= 64 && x <= 90) // @,A-Z
|| (x >= 94 && x <= 95) // ^_
|| (x >= 97 && x <= 123) // a-z{
|| (x >= 125 && x <= 126)); // }~
if (!result)
return false;
}
}
return true;
}
// no exception - we return null if a site couldn't be created
// this is useful for creating the default evidence as the majority of URL will be local (file://)
// and throw an unrequired exception
internal static string UrlToSite (string url)
{
if (url == null)
return null;
Uri uri = new Uri (url);
if (uri.Scheme == Uri.UriSchemeFile)
return null;
string site = uri.Host;
return IsValid (site) ? site : null;
}
}
}
|
