public void WriteTo(Stream canonicalStream)
{
if (this.reader != null)
{
XmlDictionaryReader dicReader = this.reader as XmlDictionaryReader;
if ((dicReader != null) && (dicReader.CanCanonicalize))
{
dicReader.MoveToContent();
dicReader.StartCanonicalization(canonicalStream, this.includeComments, this.inclusivePrefixes);
dicReader.Skip();
dicReader.EndCanonicalization();
}
else
{
XmlDictionaryWriter writer = XmlDictionaryWriter.CreateTextWriter(Stream.Null);
if (this.inclusivePrefixes != null)
{
// Add a dummy element at the top and populate the namespace
// declaration of all the inclusive prefixes.
writer.WriteStartElement("a", reader.LookupNamespace(String.Empty));
for (int i = 0; i < this.inclusivePrefixes.Length; ++i)
{
string ns = reader.LookupNamespace(this.inclusivePrefixes[i]);
if (ns != null)
{
writer.WriteXmlnsAttribute(this.inclusivePrefixes[i], ns);
}
}
}
writer.StartCanonicalization(canonicalStream, this.includeComments, this.inclusivePrefixes);
if (reader is WrappedReader)
{
((WrappedReader)reader).XmlTokens.GetWriter().WriteTo(writer, new DictionaryManager());
}
else
{
writer.WriteNode(reader, false);
}
writer.Flush();
writer.EndCanonicalization();
if (this.inclusivePrefixes != null)
{
writer.WriteEndElement();
}
writer.Close();
}
if (this.closeReadersAfterProcessing)
{
this.reader.Close();
}
this.reader = null;
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.NoInputIsSetForCanonicalization)));
}
}
public byte[] CanonicalizeUsingDictionaryReader(XmlReader reader)
{
_canonicalWriterStream.Seek(0, SeekOrigin.Begin);
_canonicalWriterStream.SetLength(0);
XmlDictionaryReader dicReader = XmlDictionaryReader.CreateDictionaryReader(reader);
dicReader.MoveToContent();
dicReader.StartCanonicalization(_canonicalWriterStream, _includeComments, _tokenizedInclusivePrefixes);
dicReader.Skip();
dicReader.EndCanonicalization();
return(_canonicalWriterStream.ToArray());
}
internal override SecurityTimestamp ReadTimestamp(XmlDictionaryReader reader, string digestAlgorithm, SignatureResourcePool resourcePool)
{
bool canonicalize = digestAlgorithm != null && reader.CanCanonicalize;
HashStream hashStream = null;
reader.MoveToStartElement(XD.UtilityDictionary.Timestamp, XD.UtilityDictionary.Namespace);
if (canonicalize)
{
hashStream = resourcePool.TakeHashStream(digestAlgorithm);
reader.StartCanonicalization(hashStream, false, null);
}
string id = reader.GetAttribute(XD.UtilityDictionary.IdAttribute, XD.UtilityDictionary.Namespace);
reader.ReadStartElement();
reader.ReadStartElement(XD.UtilityDictionary.CreatedElement, XD.UtilityDictionary.Namespace);
DateTime creationTimeUtc = reader.ReadContentAsDateTime().ToUniversalTime();
reader.ReadEndElement();
DateTime expiryTimeUtc;
if (reader.IsStartElement(XD.UtilityDictionary.ExpiresElement, XD.UtilityDictionary.Namespace))
{
reader.ReadStartElement();
expiryTimeUtc = reader.ReadContentAsDateTime().ToUniversalTime();
reader.ReadEndElement();
}
else
{
expiryTimeUtc = SecurityUtils.MaxUtcDateTime;
}
reader.ReadEndElement();
byte[] digest;
if (canonicalize)
{
reader.EndCanonicalization();
digest = hashStream.FlushHashAndGetValue();
}
else
{
digest = null;
}
return(new SecurityTimestamp(creationTimeUtc, expiryTimeUtc, id, digestAlgorithm, digest));
}
public void WriteTo(Stream canonicalStream)
{
if (this.reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(System.IdentityModel.SR.GetString("NoInputIsSetForCanonicalization")));
}
XmlDictionaryReader reader = this.reader as XmlDictionaryReader;
if ((reader != null) && reader.CanCanonicalize)
{
reader.MoveToContent();
reader.StartCanonicalization(canonicalStream, this.includeComments, this.inclusivePrefixes);
reader.Skip();
reader.EndCanonicalization();
}
else
{
XmlDictionaryWriter writer = XmlDictionaryWriter.CreateTextWriter(Stream.Null);
if (this.inclusivePrefixes != null)
{
writer.WriteStartElement("a", this.reader.LookupNamespace(string.Empty));
for (int i = 0; i < this.inclusivePrefixes.Length; i++)
{
string namespaceUri = this.reader.LookupNamespace(this.inclusivePrefixes[i]);
if (namespaceUri != null)
{
writer.WriteXmlnsAttribute(this.inclusivePrefixes[i], namespaceUri);
}
}
}
writer.StartCanonicalization(canonicalStream, this.includeComments, this.inclusivePrefixes);
writer.WriteNode(this.reader, false);
writer.Flush();
writer.EndCanonicalization();
if (this.inclusivePrefixes != null)
{
writer.WriteEndElement();
}
writer.Close();
}
if (this.closeReadersAfterProcessing)
{
this.reader.Close();
}
this.reader = null;
}
private void ProcessReaderInput(XmlReader reader, SignatureResourcePool resourcePool, HashStream hashStream)
{
reader.MoveToContent();
XmlDictionaryReader reader2 = reader as XmlDictionaryReader;
if ((reader2 != null) && reader2.CanCanonicalize)
{
reader2.StartCanonicalization(hashStream, this.IncludeComments, this.GetInclusivePrefixes());
reader2.Skip();
reader2.EndCanonicalization();
}
else
{
CanonicalizationDriver configuredDriver = this.GetConfiguredDriver(resourcePool);
configuredDriver.SetInput(reader);
configuredDriver.WriteTo(hashStream);
}
}
internal override SecurityTimestamp ReadTimestamp(XmlDictionaryReader reader, string digestAlgorithm, SignatureResourcePool resourcePool)
{
DateTime maxUtcDateTime;
byte[] buffer;
bool flag = (digestAlgorithm != null) && reader.CanCanonicalize;
HashStream stream = null;
reader.MoveToStartElement(System.ServiceModel.XD.UtilityDictionary.Timestamp, System.ServiceModel.XD.UtilityDictionary.Namespace);
if (flag)
{
stream = resourcePool.TakeHashStream(digestAlgorithm);
reader.StartCanonicalization(stream, false, null);
}
string attribute = reader.GetAttribute(System.ServiceModel.XD.UtilityDictionary.IdAttribute, System.ServiceModel.XD.UtilityDictionary.Namespace);
reader.ReadStartElement();
reader.ReadStartElement(System.ServiceModel.XD.UtilityDictionary.CreatedElement, System.ServiceModel.XD.UtilityDictionary.Namespace);
DateTime creationTimeUtc = reader.ReadContentAsDateTime().ToUniversalTime();
reader.ReadEndElement();
if (reader.IsStartElement(System.ServiceModel.XD.UtilityDictionary.ExpiresElement, System.ServiceModel.XD.UtilityDictionary.Namespace))
{
reader.ReadStartElement();
maxUtcDateTime = reader.ReadContentAsDateTime().ToUniversalTime();
reader.ReadEndElement();
}
else
{
maxUtcDateTime = System.ServiceModel.Security.SecurityUtils.MaxUtcDateTime;
}
reader.ReadEndElement();
if (flag)
{
reader.EndCanonicalization();
buffer = stream.FlushHashAndGetValue();
}
else
{
buffer = null;
}
return(new SecurityTimestamp(creationTimeUtc, maxUtcDateTime, attribute, digestAlgorithm, buffer));
}
public override void ReadFrom(XmlDictionaryReader reader, TransformFactory transformFactory, DictionaryManager dictionaryManager)
{
base.SendSide = false;
if (reader.CanCanonicalize)
{
base.CanonicalStream = new MemoryStream();
reader.StartCanonicalization(base.CanonicalStream, false, null);
}
reader.MoveToStartElement(dictionaryManager.XmlSignatureDictionary.SignedInfo, dictionaryManager.XmlSignatureDictionary.Namespace);
this.prefix = reader.Prefix;
base.Id = reader.GetAttribute(dictionaryManager.UtilityDictionary.IdAttribute, null);
reader.Read();
base.ReadCanonicalizationMethod(reader, dictionaryManager);
base.ReadSignatureMethod(reader, dictionaryManager);
while (reader.IsStartElement(dictionaryManager.XmlSignatureDictionary.Reference, dictionaryManager.XmlSignatureDictionary.Namespace))
{
Reference reference = new Reference(dictionaryManager);
reference.ReadFrom(reader, transformFactory, dictionaryManager);
this.AddReference(reference);
}
reader.ReadEndElement();
if (reader.CanCanonicalize)
{
reader.EndCanonicalization();
}
string[] inclusivePrefixes = base.GetInclusivePrefixes();
if (inclusivePrefixes != null)
{
base.CanonicalStream = null;
this.context = new Dictionary <string, string>(inclusivePrefixes.Length);
for (int i = 0; i < inclusivePrefixes.Length; i++)
{
this.context.Add(inclusivePrefixes[i], reader.LookupNamespace(inclusivePrefixes[i]));
}
}
}
public static void ReaderWriter_C14N_DifferentReadersWriters()
{
int count = 0;
var params1 = TestConfigHelper.GetTest("ReaderWriter_C14N_DifferentReadersWriters_ParamGroup1");
var params2 = TestConfigHelper.GetTest("ReaderWriter_C14N_DifferentReadersWriters_ParamGroup2");
var params3 = TestConfigHelper.GetTest("ReaderWriter_C14N_DifferentReadersWriters_ParamGroup3");
var params4 = TestConfigHelper.GetTest("ReaderWriter_C14N_DifferentReadersWriters_ParamGroup4");
Transform transform;
MemoryStream canonicalStream;
MemoryStream ms;
Stream transformedOutput;
byte[] outputFromSecurity;
byte[] outputFromIndigo;
//TestC14NInMultipleWriters
foreach (var input in params1.Inputs)
{
foreach (var input2 in params2.Inputs)
{
foreach (var input3 in params3.Inputs)
{
count++;
string rwTypeStr = input.Arguments[0].Value;
ReaderWriterFactory.ReaderWriterType rwType = (ReaderWriterFactory.ReaderWriterType)Enum.Parse(typeof(ReaderWriterFactory.ReaderWriterType), rwTypeStr, true);
Encoding encoding = Encoding.GetEncoding((string)input.Arguments[1].Value);
string sampleXmlFileName = input2.Arguments[0].Value;
bool mustSupportV14N = input.Arguments[2].Value == "true";
string baselineFileName = input2.Arguments[1].Value;
bool testWithComments = input3.Arguments[0].Value == "true";
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.PreserveWhitespace = true;
if (testWithComments)
{
transform = new XmlDsigExcC14NWithCommentsTransform();
}
else
{
transform = new XmlDsigExcC14NTransform();
}
xmlDoc.Load(baselineFileName);
transform.LoadInput(xmlDoc);
transformedOutput = transform.GetOutput(typeof(Stream)) as Stream;
outputFromSecurity = StreamToByteArray(transformedOutput);
byte[] sampleXmlFileBytes = File.ReadAllBytes(sampleXmlFileName);
ms = new MemoryStream();
XmlWriter w = ReaderWriterFactory.CreateXmlWriter(rwType, ms, encoding);
canonicalStream = new MemoryStream();
XmlDictionaryWriter dicWriter = w as XmlDictionaryWriter;
if (dicWriter == null)
{
dicWriter = XmlDictionaryWriter.CreateDictionaryWriter(w);
}
if (!dicWriter.CanCanonicalize)
{
Assert.False(mustSupportV14N, "Error, writer should support C14N, but it doesn't!");
continue;
}
dicWriter.WriteStartElement("MyRoot");
dicWriter.StartCanonicalization(canonicalStream, testWithComments, null);
FileStream fs = File.OpenRead(sampleXmlFileName);
XmlReader webdataReader = XmlReader.Create(fs);
CopyXmlToWriter(webdataReader, dicWriter);
dicWriter.EndCanonicalization();
dicWriter.WriteEndElement();
dicWriter.Flush();
webdataReader.Close();
fs.Close();
outputFromIndigo = canonicalStream.ToArray();
Helper.DumpToFile(outputFromSecurity);
Helper.DumpToFile(outputFromIndigo);
Assert.True(Enumerable.SequenceEqual(outputFromSecurity, outputFromIndigo), $"ReaderWriter_C14N_DifferentReadersWriters test variation #{count} failed");
}
}
}
//TestC14NInReader
foreach (var input in params4.Inputs)
{
count++;
string sampleXmlFileName = input.Arguments[3].Value;
string rwTypeStr = input.Arguments[0].Value;
ReaderWriterFactory.ReaderWriterType rwType = (ReaderWriterFactory.ReaderWriterType)Enum.Parse(typeof(ReaderWriterFactory.ReaderWriterType), rwTypeStr, true);
Encoding encoding = Encoding.GetEncoding((string)input.Arguments[1].Value);
bool mustSupportV14N = input.Arguments[2].Value == "true";
string baselineFileName = "ReaderWriter_C14N_BaselineXML_OnlyLF.xml";
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.PreserveWhitespace = true;
transform = new XmlDsigExcC14NTransform();
xmlDoc.Load(baselineFileName);
transform.LoadInput(xmlDoc);
transformedOutput = transform.GetOutput(typeof(Stream)) as Stream;
outputFromSecurity = StreamToByteArray(transformedOutput);
byte[] sampleXmlFileBytes = File.ReadAllBytes(sampleXmlFileName);
XmlReader r = ReaderWriterFactory.CreateXmlReader(rwType, sampleXmlFileBytes, encoding);
XmlDictionaryReader dicReader = r as XmlDictionaryReader;
if (dicReader == null)
{
dicReader = XmlDictionaryReader.CreateDictionaryReader(r);
}
canonicalStream = new MemoryStream();
if (!dicReader.CanCanonicalize)
{
Assert.False(mustSupportV14N, "Error, reader should support C14N, but it doesn't!");
continue;
}
dicReader.StartCanonicalization(canonicalStream, false, null);
canonicalStream.Position = 0;
string str = new StreamReader(canonicalStream).ReadToEnd();
canonicalStream.Position = 0;
while (dicReader.Read())
{
; // simply read it all into the C14N writer
}
dicReader.EndCanonicalization();
dicReader.Close();
outputFromIndigo = canonicalStream.ToArray();
Helper.DumpToFile(outputFromSecurity);
Helper.DumpToFile(outputFromIndigo);
Assert.True(Enumerable.SequenceEqual(outputFromSecurity, outputFromIndigo), $"ReaderWriter_C14N_DifferentReadersWriters test variation #{count} failed");
}
//TestC14NWriterWithManyAttributes
int numberOfAttributes = 1000;
int seed = (int)DateTime.Now.Ticks;
Random rndGen = new Random(seed);
StringBuilder sb = new StringBuilder();
sb.Append("<Root><Element");
int prefixIndex = 0;
for (int i = 0; i < numberOfAttributes; i++)
{
string namespaceUri = null;
string prefix = null;
if ((rndGen.Next() % 5) == 0)
{
prefix = "p" + (prefixIndex++);
namespaceUri = "http://namespace_" + i;
}
string localName = "attr" + i;
string value = "attrValue" + i;
if (prefix == null)
{
sb.Append($" {localName}=\"{value}\"");
}
else
{
sb.Append($" {prefix}:{localName}=\"{2}\" xmlns:{value}=\"{namespaceUri}\"");
}
}
sb.Append(">Hello world</Element></Root>");
string xmlString = sb.ToString();
XmlDocument doc = new XmlDocument();
doc.LoadXml(xmlString);
ms = new MemoryStream();
XmlDictionaryWriter writer = XmlDictionaryWriter.CreateTextWriter(ms);
canonicalStream = new MemoryStream();
writer.StartCanonicalization(canonicalStream, false, null);
doc.WriteTo(writer);
writer.Flush();
writer.EndCanonicalization();
outputFromIndigo = canonicalStream.ToArray();
byte[] nonCanonicalOutput = ms.ToArray();
XmlDsigExcC14NTransform transform2 = new XmlDsigExcC14NTransform();
transform2.LoadInput(doc);
transformedOutput = transform2.GetOutput(typeof(Stream)) as Stream;
outputFromSecurity = StreamToByteArray(transformedOutput);
Helper.DumpToFile(outputFromSecurity);
Helper.DumpToFile(outputFromIndigo);
Helper.DumpToFile(nonCanonicalOutput);
Assert.True(Enumerable.SequenceEqual(outputFromSecurity, outputFromIndigo), $"ReaderWriter_C14N_DifferentReadersWriters test variation #{count} failed");
count++;
Assert.Equal(params1.Inputs.Count * params2.Inputs.Count * params3.Inputs.Count + params4.Inputs.Count + 1, count);
}
protected virtual void ComputeHash(HashStream hashStream)
{
if (this.sendSide)
{
XmlDictionaryWriter writer = this.ResourcePool.TakeUtf8Writer();
writer.StartCanonicalization(hashStream, false, null);
this.WriteTo(writer, this.dictionaryManager);
writer.EndCanonicalization();
}
else if (this.canonicalStream != null)
{
this.canonicalStream.WriteTo(hashStream);
}
else
{
if (this.readerProvider == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CryptographicException(System.IdentityModel.SR.GetString("InclusiveNamespacePrefixRequiresSignatureReader")));
}
XmlDictionaryReader reader = this.readerProvider.GetReader(this.signatureReaderProviderCallbackContext);
if (!reader.CanCanonicalize)
{
MemoryStream stream = new MemoryStream();
XmlDictionaryWriter writer2 = XmlDictionaryWriter.CreateBinaryWriter(stream, this.DictionaryManager.ParentDictionary);
string[] inclusivePrefixes = this.GetInclusivePrefixes();
if (inclusivePrefixes != null)
{
writer2.WriteStartElement("a");
for (int i = 0; i < inclusivePrefixes.Length; i++)
{
string namespaceForInclusivePrefix = this.GetNamespaceForInclusivePrefix(inclusivePrefixes[i]);
if (namespaceForInclusivePrefix != null)
{
writer2.WriteXmlnsAttribute(inclusivePrefixes[i], namespaceForInclusivePrefix);
}
}
}
reader.MoveToContent();
writer2.WriteNode(reader, false);
if (inclusivePrefixes != null)
{
writer2.WriteEndElement();
}
writer2.Flush();
byte[] buffer = stream.ToArray();
int length = (int)stream.Length;
writer2.Close();
reader.Close();
reader = XmlDictionaryReader.CreateBinaryReader(buffer, 0, length, this.DictionaryManager.ParentDictionary, XmlDictionaryReaderQuotas.Max);
if (inclusivePrefixes != null)
{
reader.ReadStartElement("a");
}
}
reader.ReadStartElement(this.dictionaryManager.XmlSignatureDictionary.Signature, this.dictionaryManager.XmlSignatureDictionary.Namespace);
reader.MoveToStartElement(this.dictionaryManager.XmlSignatureDictionary.SignedInfo, this.dictionaryManager.XmlSignatureDictionary.Namespace);
reader.StartCanonicalization(hashStream, false, this.GetInclusivePrefixes());
reader.Skip();
reader.EndCanonicalization();
reader.Close();
}
}
