Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / clr / src / ManagedLibraries / Security / System / Security / Cryptography / Xml / CanonicalXml.cs / 1 / CanonicalXml.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
//
// CanonicalXml.cs
//
namespace System.Security.Cryptography.Xml {
using System.Xml;
using System.IO;
using System.Text;
using System.Collections;
internal class CanonicalXml {
private CanonicalXmlDocument m_c14nDoc;
private C14NAncestralNamespaceContextManager m_ancMgr;
// private static String defaultXPathWithoutComments = "(//. | //@* | //namespace::*)[not(self::comment())]";
// private static String defaultXPathWithoutComments = "(//. | //@* | //namespace::*)";
// private static String defaultXPathWithComments = "(//. | //@* | //namespace::*)";
// private static String defaultXPathWithComments = "(//. | //@* | //namespace::*)";
internal CanonicalXml(Stream inputStream, bool includeComments, XmlResolver resolver, string strBaseUri) {
if (inputStream == null)
throw new ArgumentNullException("inputStream");
m_c14nDoc = new CanonicalXmlDocument(true, includeComments);
m_c14nDoc.XmlResolver = resolver;
m_c14nDoc.Load(Utils.PreProcessStreamInput(inputStream, resolver, strBaseUri));
m_ancMgr = new C14NAncestralNamespaceContextManager();
}
internal CanonicalXml(XmlDocument document, XmlResolver resolver) : this(document, resolver, false) {}
internal CanonicalXml(XmlDocument document, XmlResolver resolver, bool includeComments) {
if (document == null)
throw new ArgumentNullException("document");
m_c14nDoc = new CanonicalXmlDocument(true, includeComments);
m_c14nDoc.XmlResolver = resolver;
m_c14nDoc.Load(new XmlNodeReader(document));
m_ancMgr = new C14NAncestralNamespaceContextManager();
}
internal CanonicalXml(XmlNodeList nodeList, XmlResolver resolver, bool includeComments) {
if (nodeList == null)
throw new ArgumentNullException("nodeList");
XmlDocument doc = Utils.GetOwnerDocument(nodeList);
if (doc == null)
throw new ArgumentException("nodeList");
m_c14nDoc = new CanonicalXmlDocument(false, includeComments);
m_c14nDoc.XmlResolver = resolver;
m_c14nDoc.Load(new XmlNodeReader(doc));
m_ancMgr = new C14NAncestralNamespaceContextManager();
MarkInclusionStateForNodes(nodeList, doc, m_c14nDoc);
}
static void MarkNodeAsIncluded(XmlNode node) {
if (node is ICanonicalizableNode)
((ICanonicalizableNode) node).IsInNodeSet = true;
}
private static void MarkInclusionStateForNodes(XmlNodeList nodeList, XmlDocument inputRoot, XmlDocument root) {
CanonicalXmlNodeList elementList = new CanonicalXmlNodeList();
CanonicalXmlNodeList elementListCanonical = new CanonicalXmlNodeList();
elementList.Add(inputRoot);
elementListCanonical.Add(root);
int index = 0;
do {
XmlNode currentNode = (XmlNode) elementList[index];
XmlNode currentNodeCanonical = (XmlNode) elementListCanonical[index];
XmlNodeList childNodes = currentNode.ChildNodes;
XmlNodeList childNodesCanonical = currentNodeCanonical.ChildNodes;
for (int i = 0; i < childNodes.Count; i++) {
elementList.Add(childNodes[i]);
elementListCanonical.Add(childNodesCanonical[i]);
if (Utils.NodeInList(childNodes[i], nodeList)) {
MarkNodeAsIncluded(childNodesCanonical[i]);
}
XmlAttributeCollection attribNodes = childNodes[i].Attributes;
if (attribNodes != null) {
for (int j = 0; j < attribNodes.Count; j++) {
if (Utils.NodeInList(attribNodes[j], nodeList)) {
MarkNodeAsIncluded(childNodesCanonical[i].Attributes.Item(j));
}
}
}
}
index++;
} while (index < elementList.Count);
}
internal byte[] GetBytes() {
StringBuilder sb = new StringBuilder();
m_c14nDoc.Write(sb, DocPosition.BeforeRootElement, m_ancMgr);
UTF8Encoding utf8 = new UTF8Encoding(false);
return utf8.GetBytes(sb.ToString());
}
internal byte[] GetDigestedBytes(HashAlgorithm hash) {
m_c14nDoc.WriteHash(hash, DocPosition.BeforeRootElement, m_ancMgr);
hash.TransformFinalBlock(new byte[0], 0, 0);
byte[] res = (byte[]) hash.Hash.Clone();
// reinitialize the hash so it is still usable after the call
hash.Initialize();
return res;
}
}
// the stack of currently active NamespaceFrame contexts. this
// object also maintains the inclusive prefix list in a tokenized form.
internal class C14NAncestralNamespaceContextManager : AncestralNamespaceContextManager {
internal C14NAncestralNamespaceContextManager () {}
private void GetNamespaceToRender(string nsPrefix, SortedList attrListToRender, SortedList nsListToRender, Hashtable nsLocallyDeclared) {
foreach (object a in nsListToRender.GetKeyList()) {
if (Utils.HasNamespacePrefix((XmlAttribute) a, nsPrefix))
return;
}
foreach (object a in attrListToRender.GetKeyList()) {
if (((XmlAttribute) a).LocalName.Equals(nsPrefix))
return;
}
int rDepth;
XmlAttribute local = (XmlAttribute) nsLocallyDeclared[nsPrefix];
XmlAttribute rAncestral = GetNearestRenderedNamespaceWithMatchingPrefix(nsPrefix, out rDepth);
if(local != null) {
if(Utils.IsNonRedundantNamespaceDecl(local, rAncestral)) {
nsLocallyDeclared.Remove(nsPrefix);
if (Utils.IsXmlNamespaceNode(local))
attrListToRender.Add(local, null);
else
nsListToRender.Add(local, null);
}
} else {
int uDepth;
XmlAttribute uAncestral = GetNearestUnrenderedNamespaceWithMatchingPrefix(nsPrefix, out uDepth);
if (uAncestral != null && uDepth > rDepth && Utils.IsNonRedundantNamespaceDecl(uAncestral, rAncestral)) {
if(Utils.IsXmlNamespaceNode(uAncestral))
attrListToRender.Add(uAncestral, null);
else
nsListToRender.Add(uAncestral,null);
}
}
}
internal override void GetNamespacesToRender (XmlElement element, SortedList attrListToRender, SortedList nsListToRender, Hashtable nsLocallyDeclared) {
XmlAttribute attrib = null;
object[] attrs = new object[nsLocallyDeclared.Count];
nsLocallyDeclared.Values.CopyTo(attrs,0);
foreach(Object a in attrs) {
attrib = (XmlAttribute) a;
int rDepth;
XmlAttribute rAncestral = GetNearestRenderedNamespaceWithMatchingPrefix(Utils.GetNamespacePrefix(attrib), out rDepth);
if(Utils.IsNonRedundantNamespaceDecl(attrib, rAncestral)) {
nsLocallyDeclared.Remove(Utils.GetNamespacePrefix(attrib));
if (Utils.IsXmlNamespaceNode(attrib))
attrListToRender.Add(attrib, null);
else
nsListToRender.Add(attrib, null);
}
}
for (int i = m_ancestorStack.Count - 1; i >= 0; i--) {
foreach (Object a in GetScopeAt(i).GetUnrendered().Values) {
attrib = (XmlAttribute) a;
if (attrib != null)
GetNamespaceToRender(Utils.GetNamespacePrefix(attrib), attrListToRender, nsListToRender, nsLocallyDeclared);
}
}
}
internal override void TrackNamespaceNode(XmlAttribute attr, SortedList nsListToRender, Hashtable nsLocallyDeclared) {
nsLocallyDeclared.Add(Utils.GetNamespacePrefix(attr), attr);
}
internal override void TrackXmlNamespaceNode(XmlAttribute attr, SortedList nsListToRender, SortedList attrListToRender, Hashtable nsLocallyDeclared) {
nsLocallyDeclared.Add(Utils.GetNamespacePrefix(attr), attr);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
//
// CanonicalXml.cs
//
namespace System.Security.Cryptography.Xml {
using System.Xml;
using System.IO;
using System.Text;
using System.Collections;
internal class CanonicalXml {
private CanonicalXmlDocument m_c14nDoc;
private C14NAncestralNamespaceContextManager m_ancMgr;
// private static String defaultXPathWithoutComments = "(//. | //@* | //namespace::*)[not(self::comment())]";
// private static String defaultXPathWithoutComments = "(//. | //@* | //namespace::*)";
// private static String defaultXPathWithComments = "(//. | //@* | //namespace::*)";
// private static String defaultXPathWithComments = "(//. | //@* | //namespace::*)";
internal CanonicalXml(Stream inputStream, bool includeComments, XmlResolver resolver, string strBaseUri) {
if (inputStream == null)
throw new ArgumentNullException("inputStream");
m_c14nDoc = new CanonicalXmlDocument(true, includeComments);
m_c14nDoc.XmlResolver = resolver;
m_c14nDoc.Load(Utils.PreProcessStreamInput(inputStream, resolver, strBaseUri));
m_ancMgr = new C14NAncestralNamespaceContextManager();
}
internal CanonicalXml(XmlDocument document, XmlResolver resolver) : this(document, resolver, false) {}
internal CanonicalXml(XmlDocument document, XmlResolver resolver, bool includeComments) {
if (document == null)
throw new ArgumentNullException("document");
m_c14nDoc = new CanonicalXmlDocument(true, includeComments);
m_c14nDoc.XmlResolver = resolver;
m_c14nDoc.Load(new XmlNodeReader(document));
m_ancMgr = new C14NAncestralNamespaceContextManager();
}
internal CanonicalXml(XmlNodeList nodeList, XmlResolver resolver, bool includeComments) {
if (nodeList == null)
throw new ArgumentNullException("nodeList");
XmlDocument doc = Utils.GetOwnerDocument(nodeList);
if (doc == null)
throw new ArgumentException("nodeList");
m_c14nDoc = new CanonicalXmlDocument(false, includeComments);
m_c14nDoc.XmlResolver = resolver;
m_c14nDoc.Load(new XmlNodeReader(doc));
m_ancMgr = new C14NAncestralNamespaceContextManager();
MarkInclusionStateForNodes(nodeList, doc, m_c14nDoc);
}
static void MarkNodeAsIncluded(XmlNode node) {
if (node is ICanonicalizableNode)
((ICanonicalizableNode) node).IsInNodeSet = true;
}
private static void MarkInclusionStateForNodes(XmlNodeList nodeList, XmlDocument inputRoot, XmlDocument root) {
CanonicalXmlNodeList elementList = new CanonicalXmlNodeList();
CanonicalXmlNodeList elementListCanonical = new CanonicalXmlNodeList();
elementList.Add(inputRoot);
elementListCanonical.Add(root);
int index = 0;
do {
XmlNode currentNode = (XmlNode) elementList[index];
XmlNode currentNodeCanonical = (XmlNode) elementListCanonical[index];
XmlNodeList childNodes = currentNode.ChildNodes;
XmlNodeList childNodesCanonical = currentNodeCanonical.ChildNodes;
for (int i = 0; i < childNodes.Count; i++) {
elementList.Add(childNodes[i]);
elementListCanonical.Add(childNodesCanonical[i]);
if (Utils.NodeInList(childNodes[i], nodeList)) {
MarkNodeAsIncluded(childNodesCanonical[i]);
}
XmlAttributeCollection attribNodes = childNodes[i].Attributes;
if (attribNodes != null) {
for (int j = 0; j < attribNodes.Count; j++) {
if (Utils.NodeInList(attribNodes[j], nodeList)) {
MarkNodeAsIncluded(childNodesCanonical[i].Attributes.Item(j));
}
}
}
}
index++;
} while (index < elementList.Count);
}
internal byte[] GetBytes() {
StringBuilder sb = new StringBuilder();
m_c14nDoc.Write(sb, DocPosition.BeforeRootElement, m_ancMgr);
UTF8Encoding utf8 = new UTF8Encoding(false);
return utf8.GetBytes(sb.ToString());
}
internal byte[] GetDigestedBytes(HashAlgorithm hash) {
m_c14nDoc.WriteHash(hash, DocPosition.BeforeRootElement, m_ancMgr);
hash.TransformFinalBlock(new byte[0], 0, 0);
byte[] res = (byte[]) hash.Hash.Clone();
// reinitialize the hash so it is still usable after the call
hash.Initialize();
return res;
}
}
// the stack of currently active NamespaceFrame contexts. this
// object also maintains the inclusive prefix list in a tokenized form.
internal class C14NAncestralNamespaceContextManager : AncestralNamespaceContextManager {
internal C14NAncestralNamespaceContextManager () {}
private void GetNamespaceToRender(string nsPrefix, SortedList attrListToRender, SortedList nsListToRender, Hashtable nsLocallyDeclared) {
foreach (object a in nsListToRender.GetKeyList()) {
if (Utils.HasNamespacePrefix((XmlAttribute) a, nsPrefix))
return;
}
foreach (object a in attrListToRender.GetKeyList()) {
if (((XmlAttribute) a).LocalName.Equals(nsPrefix))
return;
}
int rDepth;
XmlAttribute local = (XmlAttribute) nsLocallyDeclared[nsPrefix];
XmlAttribute rAncestral = GetNearestRenderedNamespaceWithMatchingPrefix(nsPrefix, out rDepth);
if(local != null) {
if(Utils.IsNonRedundantNamespaceDecl(local, rAncestral)) {
nsLocallyDeclared.Remove(nsPrefix);
if (Utils.IsXmlNamespaceNode(local))
attrListToRender.Add(local, null);
else
nsListToRender.Add(local, null);
}
} else {
int uDepth;
XmlAttribute uAncestral = GetNearestUnrenderedNamespaceWithMatchingPrefix(nsPrefix, out uDepth);
if (uAncestral != null && uDepth > rDepth && Utils.IsNonRedundantNamespaceDecl(uAncestral, rAncestral)) {
if(Utils.IsXmlNamespaceNode(uAncestral))
attrListToRender.Add(uAncestral, null);
else
nsListToRender.Add(uAncestral,null);
}
}
}
internal override void GetNamespacesToRender (XmlElement element, SortedList attrListToRender, SortedList nsListToRender, Hashtable nsLocallyDeclared) {
XmlAttribute attrib = null;
object[] attrs = new object[nsLocallyDeclared.Count];
nsLocallyDeclared.Values.CopyTo(attrs,0);
foreach(Object a in attrs) {
attrib = (XmlAttribute) a;
int rDepth;
XmlAttribute rAncestral = GetNearestRenderedNamespaceWithMatchingPrefix(Utils.GetNamespacePrefix(attrib), out rDepth);
if(Utils.IsNonRedundantNamespaceDecl(attrib, rAncestral)) {
nsLocallyDeclared.Remove(Utils.GetNamespacePrefix(attrib));
if (Utils.IsXmlNamespaceNode(attrib))
attrListToRender.Add(attrib, null);
else
nsListToRender.Add(attrib, null);
}
}
for (int i = m_ancestorStack.Count - 1; i >= 0; i--) {
foreach (Object a in GetScopeAt(i).GetUnrendered().Values) {
attrib = (XmlAttribute) a;
if (attrib != null)
GetNamespaceToRender(Utils.GetNamespacePrefix(attrib), attrListToRender, nsListToRender, nsLocallyDeclared);
}
}
}
internal override void TrackNamespaceNode(XmlAttribute attr, SortedList nsListToRender, Hashtable nsLocallyDeclared) {
nsLocallyDeclared.Add(Utils.GetNamespacePrefix(attr), attr);
}
internal override void TrackXmlNamespaceNode(XmlAttribute attr, SortedList nsListToRender, SortedList attrListToRender, Hashtable nsLocallyDeclared) {
nsLocallyDeclared.Add(Utils.GetNamespacePrefix(attr), attr);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- BidOverLoads.cs
- WindowsProgressbar.cs
- Keywords.cs
- ListSourceHelper.cs
- Fonts.cs
- XmlSchemaGroup.cs
- SQlBooleanStorage.cs
- HtmlContainerControl.cs
- DataGridViewRowsAddedEventArgs.cs
- DataKeyCollection.cs
- WebColorConverter.cs
- HttpListener.cs
- BuildProviderCollection.cs
- EntityDataSourceMemberPath.cs
- RootNamespaceAttribute.cs
- autovalidator.cs
- ChangePassword.cs
- DecoderReplacementFallback.cs
- RootProfilePropertySettingsCollection.cs
- ConnectionString.cs
- DesignerAttribute.cs
- autovalidator.cs
- ActionItem.cs
- Guid.cs
- CompilationLock.cs
- WindowsScrollBarBits.cs
- Pointer.cs
- GetBrowserTokenRequest.cs
- ScrollChrome.cs
- CommonDialog.cs
- MetricEntry.cs
- PersonalizationState.cs
- SignedXml.cs
- ResourceBinder.cs
- SyndicationPerson.cs
- ConnectionStringSettings.cs
- TextMetrics.cs
- DbModificationCommandTree.cs
- DependentList.cs
- RSAOAEPKeyExchangeFormatter.cs
- PrimitiveSchema.cs
- XmlLanguage.cs
- TdsParser.cs
- ChangeDirector.cs
- FixedSOMContainer.cs
- MailAddress.cs
- EntityDataSourceEntityTypeFilterConverter.cs
- TCEAdapterGenerator.cs
- InvalidEnumArgumentException.cs
- XmlSchemaAnnotated.cs
- InvalidOleVariantTypeException.cs
- DebugInfoGenerator.cs
- Site.cs
- HttpModulesSection.cs
- QuotedPrintableStream.cs
- NameNode.cs
- TextFormatterImp.cs
- IdentityModelDictionary.cs
- RSATokenProvider.cs
- WeakReferenceList.cs
- StatusBar.cs
- CodeObject.cs
- ValueOfAction.cs
- BamlRecordReader.cs
- InputScopeNameConverter.cs
- BuilderElements.cs
- WebPartManagerInternals.cs
- TreeViewEvent.cs
- Util.cs
- SignerInfo.cs
- TraceSource.cs
- TextDecoration.cs
- IntellisenseTextBox.cs
- ObjectDataSourceStatusEventArgs.cs
- AuthStoreRoleProvider.cs
- ADRoleFactoryConfiguration.cs
- LinearQuaternionKeyFrame.cs
- FontUnit.cs
- WindowsSolidBrush.cs
- MarkupObject.cs
- ImageDrawing.cs
- SerialReceived.cs
- SemaphoreFullException.cs
- CodeExpressionCollection.cs
- XhtmlBasicFormAdapter.cs
- __Filters.cs
- WeakReference.cs
- ToolStripItemTextRenderEventArgs.cs
- Panel.cs
- HostedTcpTransportManager.cs
- ProfileEventArgs.cs
- BamlLocalizerErrorNotifyEventArgs.cs
- ListChunk.cs
- DataSourceCache.cs
- SmiRequestExecutor.cs
- RemoteWebConfigurationHostStream.cs
- Logging.cs
- ProtocolInformationWriter.cs
- AlphabeticalEnumConverter.cs
- TextEffectCollection.cs