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
|
//
// XmlDsigC14NWithCommentsTransformTest.cs
// - NUnit Test Cases for XmlDsigC14NWithCommentsTransform
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
#if !MOBILE
using System;
using System.IO;
using System.Security;
using System.Security.Cryptography.Xml;
using System.Text;
using System.Xml;
using NUnit.Framework;
namespace MonoTests.System.Security.Cryptography.Xml {
// Note: GetInnerXml is protected in XmlDsigC14NWithCommentsTransform
// making it difficult to test properly. This class "open it up" :-)
public class UnprotectedXmlDsigC14NWithCommentsTransform : XmlDsigC14NWithCommentsTransform {
public XmlNodeList UnprotectedGetInnerXml () {
return base.GetInnerXml ();
}
}
[TestFixture]
public class XmlDsigC14NWithCommentsTransformTest {
protected UnprotectedXmlDsigC14NWithCommentsTransform transform;
[SetUp]
protected void SetUp ()
{
transform = new UnprotectedXmlDsigC14NWithCommentsTransform ();
}
[TearDown]
protected void CleanUp ()
{
try {
if (File.Exists ("doc.dtd"))
File.Delete ("doc.dtd");
if (File.Exists ("world.txt"))
File.Delete ("world.txt");
}
catch {}
if (File.Exists ("doc.dtd"))
throw new Exception ("File.Delete() is not working.");
if (File.Exists ("world.txt"))
throw new Exception ("File.Delete() is not working.");
}
[Test]
public void Properties ()
{
Assert.AreEqual ("http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments", transform.Algorithm, "Algorithm");
Type[] input = transform.InputTypes;
Assert.IsTrue ((input.Length == 3), "Input #");
// check presence of every supported input types
bool istream = false;
bool ixmldoc = false;
bool ixmlnl = false;
foreach (Type t in input) {
if (t.ToString () == "System.IO.Stream")
istream = true;
if (t.ToString () == "System.Xml.XmlDocument")
ixmldoc = true;
if (t.ToString () == "System.Xml.XmlNodeList")
ixmlnl = true;
}
Assert.IsTrue (istream, "Input Stream");
Assert.IsTrue (ixmldoc, "Input XmlDocument");
Assert.IsTrue (ixmlnl, "Input XmlNodeList");
Type[] output = transform.OutputTypes;
Assert.IsTrue ((output.Length == 1), "Output #");
// check presence of every supported output types
bool ostream = false;
foreach (Type t in output) {
if (t.ToString () == "System.IO.Stream")
ostream = true;
}
Assert.IsTrue (ostream, "Output Stream");
}
[Test]
public void GetInnerXml ()
{
XmlNodeList xnl = transform.UnprotectedGetInnerXml ();
Assert.AreEqual (null, xnl, "Default InnerXml");
}
[ExpectedException (typeof (ArgumentException))]
public void LoadInputWithUnsupportedType ()
{
byte[] bad = { 0xBA, 0xD };
// LAMESPEC: input MUST be one of InputType - but no exception is thrown (not documented)
transform.LoadInput (bad);
}
[Test]
[ExpectedException (typeof (ArgumentException))]
public void UnsupportedOutput ()
{
XmlDocument doc = new XmlDocument();
object o = transform.GetOutput (doc.GetType ());
}
[Test]
public void C14NSpecExample1 ()
{
using (StreamWriter sw = new StreamWriter ("doc.dtd", false, Encoding.ASCII)) {
sw.Write ("<!-- presence, not content, required -->");
sw.Close ();
}
string res = ExecuteXmlDSigC14NTransform (C14NSpecExample1Input, true);
Assert.AreEqual (C14NSpecExample1Output, res, "Example 1 from c14n spec - PIs, Comments, and Outside of Document Element (with comments)");
}
[Test]
[ExpectedException (typeof (SecurityException))]
public void C14NSpecExample1_WithoutResolver ()
{
using (StreamWriter sw = new StreamWriter ("doc.dtd", false, Encoding.ASCII)) {
sw.Write ("<!-- presence, not content, required -->");
sw.Close ();
}
if (!SecurityManager.SecurityEnabled)
NUnit.Framework.Assert.Ignore ("SecurityManager isn't enabled.");
string res = ExecuteXmlDSigC14NTransform (C14NSpecExample1Input, false);
Assert.AreEqual (C14NSpecExample1Output, res, "Example 1 from c14n spec - PIs, Comments, and Outside of Document Element (with comments)");
}
[Test]
public void C14NSpecExample2 ()
{
string res = ExecuteXmlDSigC14NTransform (C14NSpecExample2Input, false);
Assert.AreEqual (C14NSpecExample2Output, res, "Example 2 from c14n spec - Whitespace in Document Content (with comments)");
}
[Test]
public void C14NSpecExample3 ()
{
string res = ExecuteXmlDSigC14NTransform (C14NSpecExample3Input, false);
Assert.AreEqual (C14NSpecExample3Output, res, "Example 3 from c14n spec - Start and End Tags (with comments)");
}
[Test]
public void C14NSpecExample4 ()
{
string res = ExecuteXmlDSigC14NTransform (C14NSpecExample4Input, false);
Assert.AreEqual (C14NSpecExample4Output, res, "Example 4 from c14n spec - Character Modifications and Character References (with comments)");
}
[Test]
[Ignore(".NET DOM implementation does not match W3C DOM specification.")]
public void C14NSpecExample5 ()
{
if (!File.Exists ("world.txt")) {
using (StreamWriter sw = new StreamWriter ("world.txt", false, Encoding.ASCII)) {
sw.Write ("world");
sw.Close ();
}
}
string res = ExecuteXmlDSigC14NTransform (C14NSpecExample5Input, false);
Assert.AreEqual (C14NSpecExample5Output, res, "Example 5 from c14n spec - Entity References (with comments)");
}
[Test]
public void C14NSpecExample6 ()
{
string res = ExecuteXmlDSigC14NTransform (C14NSpecExample6Input, false);
Assert.AreEqual (C14NSpecExample6Output, res, "Example 6 from c14n spec - UTF-8 Encoding (with comments)");
}
private string ExecuteXmlDSigC14NTransform (string InputXml, bool resolver)
{
XmlDocument doc = new XmlDocument ();
doc.PreserveWhitespace = true;
doc.LoadXml (InputXml);
// Testing default attribute support with
// vreader.ValidationType = ValidationType.None.
UTF8Encoding utf8 = new UTF8Encoding ();
byte[] data = utf8.GetBytes (InputXml.ToString ());
Stream stream = new MemoryStream (data);
XmlTextReader reader = new XmlTextReader (stream);
XmlValidatingReader vreader = new XmlValidatingReader (reader);
vreader.ValidationType = ValidationType.None;
vreader.EntityHandling = EntityHandling.ExpandCharEntities;
doc.Load (vreader);
if (resolver)
transform.Resolver = new XmlUrlResolver ();
transform.LoadInput (doc);
return Stream2String ((Stream)transform.GetOutput ());
}
private string Stream2String (Stream s)
{
StringBuilder sb = new StringBuilder ();
int b = s.ReadByte ();
while (b != -1) {
sb.Append (Convert.ToChar (b));
b = s.ReadByte ();
}
return sb.ToString ();
}
//
// Example 1 from C14N spec - PIs, Comments, and Outside of Document Element:
// http://www.w3.org/TR/xml-c14n#Example-OutsideDoc
//
static string C14NSpecExample1Input =
"<?xml version=\"1.0\"?>\n" +
"\n" +
"<?xml-stylesheet href=\"doc.xsl\"\n" +
" type=\"text/xsl\" ?>\n" +
"\n" +
"<!DOCTYPE doc SYSTEM \"doc.dtd\">\n" +
"\n" +
"<doc>Hello, world!<!-- Comment 1 --></doc>\n" +
"\n" +
"<?pi-without-data ?>\n\n" +
"<!-- Comment 2 -->\n\n" +
"<!-- Comment 3 -->\n";
static string C14NSpecExample1Output =
"<?xml-stylesheet href=\"doc.xsl\"\n" +
" type=\"text/xsl\" ?>\n" +
"<doc>Hello, world!<!-- Comment 1 --></doc>\n" +
"<?pi-without-data?>\n" +
"<!-- Comment 2 -->\n" +
"<!-- Comment 3 -->";
//
// Example 2 from C14N spec - Whitespace in Document Content:
// http://www.w3.org/TR/xml-c14n#Example-WhitespaceInContent
//
static string C14NSpecExample2Input =
"<doc>\n" +
" <clean> </clean>\n" +
" <dirty> A B </dirty>\n" +
" <mixed>\n" +
" A\n" +
" <clean> </clean>\n" +
" B\n" +
" <dirty> A B </dirty>\n" +
" C\n" +
" </mixed>\n" +
"</doc>\n";
static string C14NSpecExample2Output =
"<doc>\n" +
" <clean> </clean>\n" +
" <dirty> A B </dirty>\n" +
" <mixed>\n" +
" A\n" +
" <clean> </clean>\n" +
" B\n" +
" <dirty> A B </dirty>\n" +
" C\n" +
" </mixed>\n" +
"</doc>";
//
// Example 3 from C14N spec - Start and End Tags:
// http://www.w3.org/TR/xml-c14n#Example-SETags
//
static string C14NSpecExample3Input =
"<!DOCTYPE doc [<!ATTLIST e9 attr CDATA \"default\">]>\n" +
"<doc>\n" +
" <e1 />\n" +
" <e2 ></e2>\n" +
" <e3 name = \"elem3\" id=\"elem3\" />\n" +
" <e4 name=\"elem4\" id=\"elem4\" ></e4>\n" +
" <e5 a:attr=\"out\" b:attr=\"sorted\" attr2=\"all\" attr=\"I\'m\"\n" +
" xmlns:b=\"http://www.ietf.org\" \n" +
" xmlns:a=\"http://www.w3.org\"\n" +
" xmlns=\"http://www.uvic.ca\"/>\n" +
" <e6 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n" +
" <e7 xmlns=\"http://www.ietf.org\">\n" +
" <e8 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n" +
" <e9 xmlns=\"\" xmlns:a=\"http://www.ietf.org\"/>\n" +
" </e8>\n" +
" </e7>\n" +
" </e6>\n" +
"</doc>\n";
static string C14NSpecExample3Output =
"<doc>\n" +
" <e1></e1>\n" +
" <e2></e2>\n" +
" <e3 id=\"elem3\" name=\"elem3\"></e3>\n" +
" <e4 id=\"elem4\" name=\"elem4\"></e4>\n" +
" <e5 xmlns=\"http://www.uvic.ca\" xmlns:a=\"http://www.w3.org\" xmlns:b=\"http://www.ietf.org\" attr=\"I\'m\" attr2=\"all\" b:attr=\"sorted\" a:attr=\"out\"></e5>\n" +
" <e6 xmlns:a=\"http://www.w3.org\">\n" +
" <e7 xmlns=\"http://www.ietf.org\">\n" +
" <e8 xmlns=\"\">\n" +
" <e9 xmlns:a=\"http://www.ietf.org\" attr=\"default\"></e9>\n" +
// " <e9 xmlns:a=\"http://www.ietf.org\"></e9>\n" +
" </e8>\n" +
" </e7>\n" +
" </e6>\n" +
"</doc>";
//
// Example 4 from C14N spec - Character Modifications and Character References:
// http://www.w3.org/TR/xml-c14n#Example-Chars
//
// Aleksey:
// This test does not include "normId" element
// because it has an invalid ID attribute "id" which
// should be normalized by XML parser. Currently Mono
// does not support this (see comment after this example
// in the spec).
static string C14NSpecExample4Input =
"<!DOCTYPE doc [<!ATTLIST normId id ID #IMPLIED>]>\n" +
"<doc>\n" +
" <text>First line
 Second line</text>\n" +
" <value>2</value>\n" +
" <compute><![CDATA[value>\"0\" && value<\"10\" ?\"valid\":\"error\"]]></compute>\n" +
" <compute expr=\'value>\"0\" && value<\"10\" ?\"valid\":\"error\"\'>valid</compute>\n" +
" <norm attr=\' '   
	 ' \'/>\n" +
// " <normId id=\' '   
	 ' \'/>\n" +
"</doc>\n";
static string C14NSpecExample4Output =
"<doc>\n" +
" <text>First line
\n" +
"Second line</text>\n" +
" <value>2</value>\n" +
" <compute>value>\"0\" && value<\"10\" ?\"valid\":\"error\"</compute>\n" +
" <compute expr=\"value>"0" && value<"10" ?"valid":"error"\">valid</compute>\n" +
" <norm attr=\" \' 
	 \' \"></norm>\n" +
// " <normId id=\"\' 
	 \'\"></normId>\n" +
"</doc>";
//
// Example 5 from C14N spec - Entity References:
// http://www.w3.org/TR/xml-c14n#Example-Entities
//
static string C14NSpecExample5Input =
"<!DOCTYPE doc [\n" +
"<!ATTLIST doc attrExtEnt ENTITY #IMPLIED>\n" +
"<!ENTITY ent1 \"Hello\">\n" +
"<!ENTITY ent2 SYSTEM \"world.txt\">\n" +
"<!ENTITY entExt SYSTEM \"earth.gif\" NDATA gif>\n" +
"<!NOTATION gif SYSTEM \"viewgif.exe\">\n" +
"]>\n" +
"<doc attrExtEnt=\"entExt\">\n" +
" &ent1;, &ent2;!\n" +
"</doc>\n" +
"\n" +
"<!-- Let world.txt contain \"world\" (excluding the quotes) -->\n";
static string C14NSpecExample5Output =
"<doc attrExtEnt=\"entExt\">\n" +
" Hello, world!\n" +
"</doc>\n" +
"<!-- Let world.txt contain \"world\" (excluding the quotes) -->";
//
// Example 6 from C14N spec - UTF-8 Encoding:
// http://www.w3.org/TR/xml-c14n#Example-UTF8
//
static string C14NSpecExample6Input =
"<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" +
"<doc>©</doc>\n";
static string C14NSpecExample6Output =
"<doc>\xC2\xA9</doc>";
//
// Example 7 from C14N spec - Document Subsets:
// http://www.w3.org/TR/xml-c14n#Example-DocSubsets
//
// Aleksey:
// Well, XPath support in Mono is far from complete....
// I was not able to simplify the xpath expression from this test
// so it runs on Mono and still makes sense for testing this feature.
// Thus this test is not included in the suite now.
static string C14NSpecExample7Input =
"<!DOCTYPE doc [\n" +
"<!ATTLIST e2 xml:space (default|preserve) \'preserve\'>\n" +
"<!ATTLIST e3 id ID #IMPLIED>\n" +
"]>\n" +
"<doc xmlns=\"http://www.ietf.org\" xmlns:w3c=\"http://www.w3.org\">\n" +
" <e1>\n" +
" <e2 xmlns=\"\">\n" +
" <e3 id=\"E3\"/>\n" +
" </e2>\n" +
" </e1>\n" +
"</doc>\n";
static string C14NSpecExample7Xpath =
"(//.|//@*|//namespace::*)\n" +
"[\n" +
"self::ietf:e1\n" +
" or\n" +
"(parent::ietf:e1 and not(self::text() or self::e2))\n" +
" or\n" +
"count(id(\"E3\")|ancestor-or-self::node()) = count(ancestor-or-self::node())\n" +
"]";
static string C14NSpecExample7Output =
"<e1 xmlns=\"http://www.ietf.org\" xmlns:w3c=\"http://www.w3.org\"><e3 xmlns=\"\" id=\"E3\" xml:space=\"preserve\"></e3></e1>";
}
}
#endif
|