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
176
177
178
179
|
//
// System.Web.Configuration.AuthorizationConfig
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2003 Ximian, Inc (http://www.ximian.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;
using System.Collections;
using System.Security.Principal;
using System.Web.UI;
using System.Globalization;
namespace System.Web.Configuration
{
class AuthorizationConfig
{
AuthorizationConfig parent;
ArrayList list;
internal AuthorizationConfig (object parent)
{
this.parent = parent as AuthorizationConfig;
}
static string [] SplitAndTrim (string s)
{
if (s == null || s == "")
return null;
string [] all = s.Split (',');
for (int i = 0; i < all.Length; i++)
all [i] = all [i].Trim ();
return all;
}
static bool CheckWildcards (string [] values)
{
if (values == null)
return true;
foreach (string s in values) {
if (s == null || s.Length == 1)
continue;
if (s.IndexOf ('?') != -1 || s.IndexOf ('*') != -1)
return false;
}
return true;
}
bool Add (bool allow, string users, string roles, string verbs)
{
string [] allUsers = SplitAndTrim (users);
string [] allRoles = SplitAndTrim (roles);
string [] allVerbs = SplitAndTrim (verbs);
if (!CheckWildcards (allUsers) || !CheckWildcards (allRoles))
return false;
if (list == null)
list = new ArrayList ();
list.Add (new UserData (allow, allUsers, allRoles, allVerbs));
return true;
}
internal bool Allow (string users, string roles, string verbs)
{
return Add (true, users, roles, verbs);
}
internal bool Deny (string users, string roles, string verbs)
{
return Add (false, users, roles, verbs);
}
internal bool IsValidUser (IPrincipal user, string verb)
{
if (user == null)
return false;
if (list == null) {
if (parent != null)
return parent.IsValidUser (user, verb);
return true;
}
foreach (UserData data in list) {
if (data.Verbs != null && !data.CheckVerb (verb))
continue;
if ((data.Users !=null && data.CheckUser(user.Identity.Name)) ||
(data.Roles != null && data.CheckRole(user)))
return data.Allow;
}
if (parent != null)
return parent.IsValidUser (user, verb);
return true;
}
struct UserData
{
public bool Allow;
public string [] Users;
public string [] Roles;
public string [] Verbs;
public UserData (bool allow, string [] users, string [] roles, string [] verbs)
{
Allow = allow;
Users = users;
Roles = roles;
Verbs = verbs;
}
public bool CheckUser (string user)
{
foreach (string u in Users) {
if (String.Compare (u, user, true) == 0 ||
u == "*" ||
(u == "?" && user == ""))
return true;
}
return false;
}
public bool CheckRole (IPrincipal user)
{
foreach (string r in Roles) {
if (user.IsInRole (r))
return true;
}
return false;
}
public bool CheckVerb (string verb)
{
foreach (string u in Verbs) {
if (String.Compare (u, verb, true, CultureInfo.InvariantCulture) == 0)
return true;
}
return false;
}
}
}
}
|
