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
|
//
// XmlDsigEnvelopedSignatureTransform.cs -
// Enveloped Signature Transform implementation for XML Signature
// http://www.w3.org/TR/1999/REC-xslt-19991116
//
// Author:
// Sebastien Pouliot (spouliot@motus.com)
// Atsushi Enomoto (atsushi@ximian.com)
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// (C) 2004 Novell Inc.
//
//
// 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;
using System.Xml;
using System.Xml.Xsl;
namespace System.Security.Cryptography.Xml
{
public class XmlDsigXsltTransform : Transform
{
private Type [] input;
private Type [] output;
private bool comments;
private XmlNodeList xnl;
private XmlDocument inputDoc;
public XmlDsigXsltTransform () : this (false)
{
}
public XmlDsigXsltTransform (bool includeComments)
{
comments = includeComments;
Algorithm = XmlSignature.AlgorithmNamespaces.XmlDsigXsltTransform;
}
public override Type [] InputTypes {
get {
if (input == null) {
input = new Type [3];
input [0] = typeof (System.IO.Stream);
input [1] = typeof (System.Xml.XmlDocument);
input [2] = typeof (System.Xml.XmlNodeList);
}
return input;
}
}
public override Type [] OutputTypes {
get {
if (output == null) {
output = new Type [1];
output [0] = typeof (System.IO.Stream);
}
return output;
}
}
protected override XmlNodeList GetInnerXml ()
{
return xnl;
}
public override object GetOutput ()
{
if (xnl == null)
throw new ArgumentNullException ("LoadInnerXml before transformation.");
XmlResolver resolver = GetResolver ();
XslTransform xsl = new XslTransform ();
XmlDocument doc = new XmlDocument ();
doc.XmlResolver = resolver;
foreach (XmlNode n in xnl)
doc.AppendChild (doc.ImportNode (n, true));
xsl.Load (doc, resolver);
if (inputDoc == null)
throw new ArgumentNullException ("LoadInput before transformation.");
MemoryStream stream = new MemoryStream ();
// only possible output: Stream
xsl.XmlResolver = resolver;
xsl.Transform (inputDoc, null, stream);
stream.Seek (0, SeekOrigin.Begin);
return stream;
}
public override object GetOutput (Type type)
{
if (type != typeof (Stream))
throw new ArgumentException ("type");
return GetOutput ();
}
public override void LoadInnerXml (XmlNodeList nodeList)
{
if (nodeList == null)
throw new CryptographicException ("nodeList");
xnl = nodeList;
}
public override void LoadInput (object obj)
{
// possible input: Stream, XmlDocument, and XmlNodeList
Stream s = (obj as Stream);
if (s != null) {
inputDoc = new XmlDocument ();
inputDoc.XmlResolver = GetResolver ();
// inputDoc.Load (obj as Stream);
inputDoc.Load (new XmlSignatureStreamReader (new StreamReader (s)));
return;
}
XmlDocument xd = (obj as XmlDocument);
if (xd != null) {
inputDoc = xd;
return;
}
XmlNodeList nl = (obj as XmlNodeList);
if (nl != null) {
inputDoc = new XmlDocument ();
inputDoc.XmlResolver = GetResolver ();
for (int i = 0; i < nl.Count; i++)
inputDoc.AppendChild (inputDoc.ImportNode (nl [i], true));
}
}
}
}
|