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
180
181
182
|
//
// Author:
// Marek Habersack <grendel@twistedcode.net>
//
// (C) 2009-2011 Novell, Inc. http://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;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.IO;
using System.Text;
using System.ComponentModel;
using System.Reflection;
using System.Security.Permissions;
using System.Threading;
using System.Web.UI.WebControls;
namespace System.Web.UI
{
[AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public abstract class ScriptReferenceBase
{
static SplitOrderedList <ResourceCacheEntry, bool> resourceCache;
string _path;
public bool NotifyScriptLoaded {
get; set;
}
public string Path {
get { return _path != null ? _path : String.Empty; }
set { _path = value; }
}
[TypeConverterAttribute(typeof(StringArrayConverter))]
public string[] ResourceUICultures {
get; set;
}
public ScriptMode ScriptMode {
get; set;
}
internal static Assembly ThisAssembly {
get; private set;
}
static ScriptReferenceBase ()
{
ThisAssembly = typeof (ScriptReferenceBase).Assembly;
resourceCache = new SplitOrderedList <ResourceCacheEntry, bool> (EqualityComparer <ResourceCacheEntry>.Default);
}
protected ScriptReferenceBase ()
{
this.NotifyScriptLoaded = true;
this.ScriptMode = ScriptMode.Auto;
}
protected internal virtual bool IsAjaxFrameworkScript (ScriptManager scriptManager)
{
return false;
}
[Obsolete ("Use IsAjaxFrameworkScript(ScriptManager)")]
protected internal abstract bool IsFromSystemWebExtensions ();
protected internal abstract string GetUrl (ScriptManager scriptManager, bool zip);
// This method is an example of particularily bad coding - .NET performs NO checks
// on pathOrName!
protected static string ReplaceExtension (string pathOrName)
{
// emulate .NET behavior
if (pathOrName == null)
throw new NullReferenceException ();
// We should check the length, but since .NET doesn't do that, we won't
// either. Ugh.
return pathOrName.Substring (0, pathOrName.Length - 2) + "debug.js";
}
internal static string GetScriptName (string releaseName, bool isDebugMode, string [] supportedUICultures, Assembly assembly, out WebResourceAttribute wra)
{
if (assembly != null)
VerifyAssemblyContainsResource (assembly, releaseName, out wra);
else
wra = null;
if (!isDebugMode && (supportedUICultures == null || supportedUICultures.Length == 0))
return releaseName;
if (releaseName.Length < 3 || !releaseName.EndsWith (".js", StringComparison.OrdinalIgnoreCase))
throw new InvalidOperationException (String.Format ("'{0}' is not a valid script path. The path must end in '.js'.", releaseName));
StringBuilder sb = new StringBuilder (releaseName);
sb.Length -= 3;
if (isDebugMode)
sb.Append (".debug");
string culture = Thread.CurrentThread.CurrentUICulture.Name;
if (supportedUICultures != null && Array.IndexOf<string> (supportedUICultures, culture) >= 0)
sb.AppendFormat (".{0}", culture);
sb.Append (".js");
string ret = sb.ToString ();
WebResourceAttribute debugWra;
if (!CheckIfAssemblyContainsResource (assembly, ret, out debugWra))
return releaseName;
wra = debugWra;
return ret;
}
static void VerifyAssemblyContainsResource (Assembly assembly, string resourceName, out WebResourceAttribute wra)
{
var rce = new ResourceCacheEntry {
Assembly = assembly,
ResourceName = resourceName
};
WebResourceAttribute attr = null;
if (!resourceCache.InsertOrGet ((uint)rce.GetHashCode (), rce, false, () => CheckIfAssemblyContainsResource (assembly, resourceName, out attr)))
throw new InvalidOperationException (String.Format ("Assembly '{0}' does not contain a Web resource with name '{1}'.",
assembly.FullName, resourceName));
wra = attr;
}
static bool CheckIfAssemblyContainsResource (Assembly assembly, string resourceName, out WebResourceAttribute wra)
{
foreach (WebResourceAttribute attr in assembly.GetCustomAttributes (typeof (WebResourceAttribute), false)) {
if (String.Compare (resourceName, attr.WebResource, StringComparison.Ordinal) == 0) {
using (Stream rs = assembly.GetManifestResourceStream (resourceName)) {
if (rs == null)
throw new InvalidOperationException (
String.Format ("Assembly '{0}' contains a Web resource with name '{1}' but does not contain an embedded resource with name '{1}'.",
assembly.FullName, resourceName)
);
}
wra = attr;
return true;
}
}
wra = null;
return false;
}
sealed class ResourceCacheEntry
{
public Assembly Assembly;
public string ResourceName;
public override int GetHashCode ()
{
int ret = 0;
if (Assembly != null)
ret ^= Assembly.GetHashCode ();
if (ResourceName != null)
ret ^= ResourceName.GetHashCode ();
return ret;
}
}
}
}
|
