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