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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
|
//
// System.Web.UI.PageParser
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2002,2003 Ximian, Inc (http://www.ximian.com)
// Copyright (C) 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.Collections;
using System.Collections.Specialized;
using System.Globalization;
using System.Security.Permissions;
using System.Text;
using System.Web.Compilation;
using System.Web.Configuration;
using System.Web.Util;
using System.IO;
namespace System.Web.UI
{
// CAS - no InheritanceDemand here as the class is sealed
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class PageParser : TemplateControlParser
{
bool enableSessionState = true;
bool haveTrace;
bool trace;
bool notBuffer;
TraceMode tracemode;
bool readonlySessionState;
string responseEncoding;
string contentType;
int codepage = -1;
int lcid = -1;
string culture;
string uiculture;
string errorPage;
bool validateRequest;
string clientTarget;
Type baseType = typeof (Page);
#if NET_2_0
string masterPage;
Type masterType;
string title;
string theme;
string styleSheetTheme;
#endif
public PageParser ()
{
}
internal PageParser (string virtualPath, string inputFile, HttpContext context)
{
Context = context;
BaseVirtualDir = UrlUtils.GetDirectory (virtualPath);
InputFile = inputFile;
SetBaseType (PagesConfig.PageBaseType);
AddApplicationAssembly ();
}
#if NET_2_0
internal PageParser (string virtualPath, TextReader reader, HttpContext context)
{
Context = context;
BaseVirtualDir = UrlUtils.GetDirectory (virtualPath);
Reader = reader;
SetBaseType (PagesConfig.PageBaseType);
AddApplicationAssembly ();
}
#endif
public static IHttpHandler GetCompiledPageInstance (string virtualPath,
string inputFile,
HttpContext context)
{
PageParser pp = new PageParser (virtualPath, inputFile, context);
IHttpHandler h = (IHttpHandler) pp.GetCompiledInstance ();
return h;
}
internal override void ProcessMainAttributes (Hashtable atts)
{
string enabless = GetString (atts, "EnableSessionState",
#if NET_2_0
PagesConfig.EnableSessionState.ToString()
#else
PagesConfig.EnableSessionState
#endif
);
if (enabless != null) {
readonlySessionState = (String.Compare (enabless, "readonly", true) == 0);
if (readonlySessionState == true || String.Compare (enabless, "true", true) == 0) {
enableSessionState = true;
} else if (String.Compare (enabless, "false", true) == 0) {
enableSessionState = false;
} else {
ThrowParseException ("Invalid value for EnableSessionState: " + enabless);
}
}
string cp = GetString (atts, "CodePage", null);
if (cp != null) {
if (responseEncoding != null)
ThrowParseException ("CodePage and ResponseEncoding are " +
"mutually exclusive.");
int codepage = 0;
try {
codepage = (int) UInt32.Parse (cp);
} catch {
ThrowParseException ("Invalid value for CodePage: " + cp);
}
try {
Encoding.GetEncoding (codepage);
} catch {
ThrowParseException ("Unsupported codepage: " + cp);
}
}
responseEncoding = GetString (atts, "ResponseEncoding", null);
if (responseEncoding != null) {
if (codepage != -1)
ThrowParseException ("CodePage and ResponseEncoding are " +
"mutually exclusive.");
try {
Encoding.GetEncoding (responseEncoding);
} catch {
ThrowParseException ("Unsupported encoding: " + responseEncoding);
}
}
contentType = GetString (atts, "ContentType", null);
string lcidStr = GetString (atts, "LCID", null);
if (lcidStr != null) {
try {
lcid = (int) UInt32.Parse (lcidStr);
} catch {
ThrowParseException ("Invalid value for LCID: " + lcid);
}
CultureInfo ci = null;
try {
ci = new CultureInfo (lcid);
} catch {
ThrowParseException ("Unsupported LCID: " + lcid);
}
if (ci.IsNeutralCulture) {
string suggestedCulture = SuggestCulture (ci.Name);
string fmt = "LCID attribute must be set to a non-neutral Culture.";
if (suggestedCulture != null) {
ThrowParseException (fmt + " Please try one of these: " +
suggestedCulture);
} else {
ThrowParseException (fmt);
}
}
}
culture = GetString (atts, "Culture", null);
if (culture != null) {
if (lcidStr != null)
ThrowParseException ("Culture and LCID are mutually exclusive.");
CultureInfo ci = null;
try {
ci = new CultureInfo (culture);
} catch {
ThrowParseException ("Unsupported Culture: " + culture);
}
if (ci.IsNeutralCulture) {
string suggestedCulture = SuggestCulture (culture);
string fmt = "Culture attribute must be set to a non-neutral Culture.";
if (suggestedCulture != null)
ThrowParseException (fmt +
" Please try one of these: " + suggestedCulture);
else
ThrowParseException (fmt);
}
}
uiculture = GetString (atts, "UICulture", null);
if (uiculture != null) {
CultureInfo ci = null;
try {
ci = new CultureInfo (uiculture);
} catch {
ThrowParseException ("Unsupported Culture: " + uiculture);
}
if (ci.IsNeutralCulture) {
string suggestedCulture = SuggestCulture (uiculture);
string fmt = "UICulture attribute must be set to a non-neutral Culture.";
if (suggestedCulture != null)
ThrowParseException (fmt +
" Please try one of these: " + suggestedCulture);
else
ThrowParseException (fmt);
}
}
string tracestr = GetString (atts, "Trace", null);
if (tracestr != null) {
haveTrace = true;
atts ["Trace"] = tracestr;
trace = GetBool (atts, "Trace", false);
}
string tracemodes = GetString (atts, "TraceMode", null);
if (tracemodes != null) {
bool valid = true;
try {
tracemode = (TraceMode) Enum.Parse (typeof (TraceMode), tracemodes, false);
} catch {
valid = false;
}
if (!valid || tracemode == TraceMode.Default)
ThrowParseException ("The 'tracemode' attribute is case sensitive and must be " +
"one of the following values: SortByTime, SortByCategory.");
}
errorPage = GetString (atts, "ErrorPage", null);
validateRequest = GetBool (atts, "ValidateRequest", PagesConfig.ValidateRequest);
clientTarget = GetString (atts, "ClientTarget", null);
if (clientTarget != null) {
#if NET_2_0
ClientTargetSection sec = (ClientTargetSection)WebConfigurationManager.GetSection ("system.web/clientTarget");
if (sec.ClientTargets[clientTarget] == null) {
ThrowParseException (String.Format (
"ClientTarget '{0}' is an invalid alias. See the " +
"documentation for <clientTarget> config. section.",
clientTarget));
}
clientTarget = sec.ClientTargets[clientTarget].UserAgent;
#else
NameValueCollection coll;
coll = (NameValueCollection) Context.GetConfig ("system.web/clientTarget");
if (coll == null || coll [clientTarget] == null) {
ThrowParseException (String.Format (
"ClientTarget '{0}' is an invalid alias. See the " +
"documentation for <clientTarget> config. section.",
clientTarget));
}
clientTarget = (string) coll [clientTarget];
#endif
}
notBuffer = !GetBool (atts, "Buffer", true);
#if NET_2_0
masterPage = GetString (atts, "MasterPageFile", null);
// Make sure the page exists
if (masterPage != null)
MasterPageParser.GetCompiledMasterType (masterPage, MapPath (masterPage), HttpContext.Current);
title = GetString(atts, "Title", null);
theme = GetString (atts, "Theme", null);
styleSheetTheme = GetString (atts, "StyleSheetTheme", null);
#endif
// Ignored by now
GetString (atts, "EnableViewStateMac", null);
GetString (atts, "SmartNavigation", null);
base.ProcessMainAttributes (atts);
}
#if NET_2_0
internal override void AddDirective (string directive, Hashtable atts)
{
if (String.Compare ("MasterType", directive, true) == 0) {
string type = GetString (atts, "TypeName", null);
if (type != null) {
masterType = LoadType (type);
if (masterType == null)
ThrowParseException ("Could not load type '" + type + "'.");
} else {
string path = GetString (atts, "VirtualPath", null);
if (path != null)
masterType = MasterPageParser.GetCompiledMasterType (path, MapPath (path), HttpContext.Current);
else
ThrowParseException ("The MasterType directive must have either a TypeName or a VirtualPath attribute.");
}
AddAssembly (masterType.Assembly, true);
}
else
base.AddDirective (directive, atts);
}
#endif
static string SuggestCulture (string culture)
{
string retval = null;
foreach (CultureInfo ci in CultureInfo.GetCultures (CultureTypes.SpecificCultures)) {
if (ci.Name.StartsWith (culture))
retval += ci.Name + " ";
}
return retval;
}
protected override Type CompileIntoType ()
{
AspGenerator generator = new AspGenerator (this);
return generator.GetCompiledType ();
}
internal bool EnableSessionState {
get { return enableSessionState; }
}
internal bool ReadOnlySessionState {
get { return readonlySessionState; }
}
internal bool HaveTrace {
get { return haveTrace; }
}
internal bool Trace {
get { return trace; }
}
internal TraceMode TraceMode {
get { return tracemode; }
}
internal override Type DefaultBaseType {
get { return baseType; }
}
internal override string DefaultBaseTypeName {
get { return "System.Web.UI.Page"; }
}
internal override string DefaultDirectiveName {
get { return "page"; }
}
internal string ResponseEncoding {
get { return responseEncoding; }
}
internal string ContentType {
get { return contentType; }
}
internal int CodePage {
get { return codepage; }
}
internal string Culture {
get { return culture; }
}
internal string UICulture {
get { return uiculture; }
}
internal int LCID {
get { return lcid; }
}
internal string ErrorPage {
get { return errorPage; }
}
internal bool ValidateRequest {
get { return validateRequest; }
}
internal string ClientTarget {
get { return clientTarget; }
}
internal bool NotBuffer {
get { return notBuffer; }
}
#if NET_2_0
internal string Theme {
get { return theme; }
}
internal string StyleSheetTheme {
get { return styleSheetTheme; }
}
internal string MasterPageFile {
get { return masterPage; }
}
internal Type MasterType {
get { return masterType; }
}
internal string Title {
get { return title; }
}
#endif
}
}
|