Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / clr / src / ManagedLibraries / Security / System / Security / Cryptography / Xml / ExcCanonicalXml.cs / 1 / ExcCanonicalXml.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // ExcCanonicalXml.cs // namespace System.Security.Cryptography.Xml { using System.Xml; using System.IO; using System.Text; using System.Collections; internal class ExcCanonicalXml { private CanonicalXmlDocument m_c14nDoc; private ExcAncestralNamespaceContextManager m_ancMgr; internal ExcCanonicalXml(Stream inputStream, bool includeComments, string inclusiveNamespacesPrefixList, 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 ExcAncestralNamespaceContextManager(inclusiveNamespacesPrefixList); } internal ExcCanonicalXml(XmlDocument document, bool includeComments, string inclusiveNamespacesPrefixList, XmlResolver resolver) { 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 ExcAncestralNamespaceContextManager(inclusiveNamespacesPrefixList); } internal ExcCanonicalXml(XmlNodeList nodeList, bool includeComments, string inclusiveNamespacesPrefixList, XmlResolver resolver) { 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 ExcAncestralNamespaceContextManager(inclusiveNamespacesPrefixList); MarkInclusionStateForNodes(nodeList, doc, m_c14nDoc); } 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; } 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); } static void MarkNodeAsIncluded(XmlNode node) { if (node is ICanonicalizableNode) ((ICanonicalizableNode) node).IsInNodeSet = true; } } // the stack of currently active NamespaceFrame contexts. this // object also maintains the inclusive prefix list in a tokenized form. internal class ExcAncestralNamespaceContextManager : AncestralNamespaceContextManager { private Hashtable m_inclusivePrefixSet = null; internal ExcAncestralNamespaceContextManager(string inclusiveNamespacesPrefixList) { m_inclusivePrefixSet = Utils.TokenizePrefixListString(inclusiveNamespacesPrefixList); } private bool HasNonRedundantInclusivePrefix(XmlAttribute attr) { int tmp; string nsPrefix = Utils.GetNamespacePrefix(attr); return m_inclusivePrefixSet.ContainsKey(nsPrefix) && Utils.IsNonRedundantNamespaceDecl(attr, GetNearestRenderedNamespaceWithMatchingPrefix(nsPrefix, out tmp)); } private void GatherNamespaceToRender(string nsPrefix, SortedList nsListToRender, Hashtable nsLocallyDeclared) { foreach (object a in nsListToRender.GetKeyList()) { if (Utils.HasNamespacePrefix((XmlAttribute) a, 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); nsListToRender.Add(local, null); } } else { int uDepth; XmlAttribute uAncestral = GetNearestUnrenderedNamespaceWithMatchingPrefix(nsPrefix, out uDepth); if (uAncestral != null && uDepth > rDepth && Utils.IsNonRedundantNamespaceDecl(uAncestral, rAncestral)) { nsListToRender.Add(uAncestral, null); } } } internal override void GetNamespacesToRender (XmlElement element, SortedList attrListToRender, SortedList nsListToRender, Hashtable nsLocallyDeclared) { GatherNamespaceToRender(element.Prefix, nsListToRender, nsLocallyDeclared); foreach (object attr in attrListToRender.GetKeyList()) { string prefix = ((XmlAttribute) attr).Prefix; if (prefix.Length > 0) GatherNamespaceToRender(prefix, nsListToRender, nsLocallyDeclared); } } internal override void TrackNamespaceNode(XmlAttribute attr, SortedList nsListToRender, Hashtable nsLocallyDeclared) { if(!Utils.IsXmlPrefixDefinitionNode(attr)) { if(HasNonRedundantInclusivePrefix(attr)) nsListToRender.Add(attr, null); else nsLocallyDeclared.Add(Utils.GetNamespacePrefix(attr), attr); } } internal override void TrackXmlNamespaceNode(XmlAttribute attr, SortedList nsListToRender, SortedList attrListToRender, Hashtable nsLocallyDeclared) { // exclusive canonicalization treats Xml namespaces as simple attributes. They are not propagated. attrListToRender.Add(attr, null); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // ExcCanonicalXml.cs // namespace System.Security.Cryptography.Xml { using System.Xml; using System.IO; using System.Text; using System.Collections; internal class ExcCanonicalXml { private CanonicalXmlDocument m_c14nDoc; private ExcAncestralNamespaceContextManager m_ancMgr; internal ExcCanonicalXml(Stream inputStream, bool includeComments, string inclusiveNamespacesPrefixList, 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 ExcAncestralNamespaceContextManager(inclusiveNamespacesPrefixList); } internal ExcCanonicalXml(XmlDocument document, bool includeComments, string inclusiveNamespacesPrefixList, XmlResolver resolver) { 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 ExcAncestralNamespaceContextManager(inclusiveNamespacesPrefixList); } internal ExcCanonicalXml(XmlNodeList nodeList, bool includeComments, string inclusiveNamespacesPrefixList, XmlResolver resolver) { 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 ExcAncestralNamespaceContextManager(inclusiveNamespacesPrefixList); MarkInclusionStateForNodes(nodeList, doc, m_c14nDoc); } 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; } 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); } static void MarkNodeAsIncluded(XmlNode node) { if (node is ICanonicalizableNode) ((ICanonicalizableNode) node).IsInNodeSet = true; } } // the stack of currently active NamespaceFrame contexts. this // object also maintains the inclusive prefix list in a tokenized form. internal class ExcAncestralNamespaceContextManager : AncestralNamespaceContextManager { private Hashtable m_inclusivePrefixSet = null; internal ExcAncestralNamespaceContextManager(string inclusiveNamespacesPrefixList) { m_inclusivePrefixSet = Utils.TokenizePrefixListString(inclusiveNamespacesPrefixList); } private bool HasNonRedundantInclusivePrefix(XmlAttribute attr) { int tmp; string nsPrefix = Utils.GetNamespacePrefix(attr); return m_inclusivePrefixSet.ContainsKey(nsPrefix) && Utils.IsNonRedundantNamespaceDecl(attr, GetNearestRenderedNamespaceWithMatchingPrefix(nsPrefix, out tmp)); } private void GatherNamespaceToRender(string nsPrefix, SortedList nsListToRender, Hashtable nsLocallyDeclared) { foreach (object a in nsListToRender.GetKeyList()) { if (Utils.HasNamespacePrefix((XmlAttribute) a, 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); nsListToRender.Add(local, null); } } else { int uDepth; XmlAttribute uAncestral = GetNearestUnrenderedNamespaceWithMatchingPrefix(nsPrefix, out uDepth); if (uAncestral != null && uDepth > rDepth && Utils.IsNonRedundantNamespaceDecl(uAncestral, rAncestral)) { nsListToRender.Add(uAncestral, null); } } } internal override void GetNamespacesToRender (XmlElement element, SortedList attrListToRender, SortedList nsListToRender, Hashtable nsLocallyDeclared) { GatherNamespaceToRender(element.Prefix, nsListToRender, nsLocallyDeclared); foreach (object attr in attrListToRender.GetKeyList()) { string prefix = ((XmlAttribute) attr).Prefix; if (prefix.Length > 0) GatherNamespaceToRender(prefix, nsListToRender, nsLocallyDeclared); } } internal override void TrackNamespaceNode(XmlAttribute attr, SortedList nsListToRender, Hashtable nsLocallyDeclared) { if(!Utils.IsXmlPrefixDefinitionNode(attr)) { if(HasNonRedundantInclusivePrefix(attr)) nsListToRender.Add(attr, null); else nsLocallyDeclared.Add(Utils.GetNamespacePrefix(attr), attr); } } internal override void TrackXmlNamespaceNode(XmlAttribute attr, SortedList nsListToRender, SortedList attrListToRender, Hashtable nsLocallyDeclared) { // exclusive canonicalization treats Xml namespaces as simple attributes. They are not propagated. attrListToRender.Add(attr, null); } } } // 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
- MethodBuilderInstantiation.cs
- WorkflowInstanceProxy.cs
- UnlockCardRequest.cs
- ToolStripRenderEventArgs.cs
- RoutedPropertyChangedEventArgs.cs
- SafeNativeMethods.cs
- BorderSidesEditor.cs
- RegisteredHiddenField.cs
- SqlRowUpdatedEvent.cs
- ClipboardData.cs
- DataGridItemAutomationPeer.cs
- ClientApiGenerator.cs
- BackgroundFormatInfo.cs
- DataGridViewDataErrorEventArgs.cs
- UnauthorizedAccessException.cs
- ListViewTableRow.cs
- AssociationTypeEmitter.cs
- CodeDOMUtility.cs
- GlyphCache.cs
- ToolStripDropDownClosedEventArgs.cs
- DBCSCodePageEncoding.cs
- InputDevice.cs
- Rectangle.cs
- InternalResources.cs
- WebBrowserNavigatedEventHandler.cs
- ControlAdapter.cs
- CodeAttachEventStatement.cs
- TraceContext.cs
- BorderGapMaskConverter.cs
- ColorMatrix.cs
- sqlpipe.cs
- ParameterCollection.cs
- EventLogStatus.cs
- Win32NamedPipes.cs
- XmlObjectSerializer.cs
- UnsafeNetInfoNativeMethods.cs
- OutputCacheProfileCollection.cs
- Binding.cs
- FormViewInsertEventArgs.cs
- DCSafeHandle.cs
- EdmSchemaAttribute.cs
- ProviderException.cs
- AdPostCacheSubstitution.cs
- RowType.cs
- MimeWriter.cs
- ImageMapEventArgs.cs
- ArraySortHelper.cs
- ExpressionTextBox.xaml.cs
- RowVisual.cs
- AuthenticationModuleElement.cs
- AuthenticationService.cs
- XmlSerializationReader.cs
- _CacheStreams.cs
- ErrorReporting.cs
- CommandEventArgs.cs
- Select.cs
- XsltLoader.cs
- SmiConnection.cs
- SerializationObjectManager.cs
- CodeBlockBuilder.cs
- SystemDiagnosticsSection.cs
- ButtonBase.cs
- NetStream.cs
- OleDbRowUpdatedEvent.cs
- SQLChars.cs
- WarningException.cs
- Message.cs
- BufferedResponseStream.cs
- URIFormatException.cs
- ControlIdConverter.cs
- TypeUtil.cs
- CompiledQueryCacheKey.cs
- ListMarkerSourceInfo.cs
- TrustManager.cs
- ScriptReferenceBase.cs
- MessagePropertyVariants.cs
- AutoGeneratedField.cs
- ToolStripContentPanelRenderEventArgs.cs
- SqlUdtInfo.cs
- AsymmetricKeyExchangeDeformatter.cs
- DoubleConverter.cs
- ProtocolInformationWriter.cs
- ThumbButtonInfo.cs
- DbConnectionFactory.cs
- EdgeProfileValidation.cs
- _ListenerResponseStream.cs
- ClientSession.cs
- AssertUtility.cs
- ExpressionVisitor.cs
- _ReceiveMessageOverlappedAsyncResult.cs
- PenContexts.cs
- WmlImageAdapter.cs
- XmlSchemaSimpleTypeUnion.cs
- DataSet.cs
- WebServiceResponseDesigner.cs
- HostVisual.cs
- _HTTPDateParse.cs
- MobileListItemCollection.cs
- Root.cs
- BindingElementCollection.cs