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
|
//
// System.ComponentModel.LicFileLicenseProvider.cs
//
// Authors:
// Martin Willemoes Hansen (mwh@sysrq.dk)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
// Lluis Sanchez Gual (lluis@ximian.com)
//
// (C) 2003 Martin Willemoes Hansen
// (C) 2003 Andreas Nahr
//
//
// 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.IO;
namespace System.ComponentModel
{
public class LicFileLicenseProvider : LicenseProvider
{
public LicFileLicenseProvider()
{
}
public override License GetLicense (LicenseContext context,
Type type,
object instance,
bool allowExceptions)
{
try
{
if (context == null || context.UsageMode != LicenseUsageMode.Designtime)
return null;
string path = Path.GetDirectoryName (type.Assembly.Location);
path = Path.Combine (path, type.FullName + ".LIC");
if (!File.Exists (path)) return null;
StreamReader sr = new StreamReader (path);
string key = sr.ReadLine ();
sr.Close ();
if (IsKeyValid (key, type))
return new LicFileLicense (key);
}
catch
{
if (allowExceptions) throw;
}
return null;
}
protected virtual string GetKey (Type type)
{
return (type.FullName + " is a licensed component.");
}
protected virtual bool IsKeyValid (string key, Type type)
{
if (key == null)
return false;
return key.Equals (GetKey (type));
}
}
internal class LicFileLicense: License
{
string _key;
public LicFileLicense (string key)
{
_key = key;
}
public override string LicenseKey
{
get { return _key; }
}
public override void Dispose ()
{
}
}
}
|
