Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / clr / src / BCL / System / Security / Policy / PublisherMembershipCondition.cs / 2 / PublisherMembershipCondition.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // PublisherMembershipCondition.cs // // Implementation of membership condition for X509 certificate based publishers // namespace System.Security.Policy { using System; using System.Collections; using System.Globalization; using System.Security; using System.Security.Cryptography.X509Certificates; using System.Security.Policy; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] sealed public class PublisherMembershipCondition : IMembershipCondition, IConstantMembershipCondition, IReportMatchMembershipCondition { //------------------------------------------------------ // // PRIVATE STATE DATA // //----------------------------------------------------- private X509Certificate m_certificate; private SecurityElement m_element; //----------------------------------------------------- // // PUBLIC CONSTRUCTORS // //----------------------------------------------------- internal PublisherMembershipCondition() { m_element = null; m_certificate = null; } public PublisherMembershipCondition( X509Certificate certificate ) { CheckCertificate( certificate ); m_certificate = new X509Certificate( certificate ); } private static void CheckCertificate( X509Certificate certificate ) { if (certificate == null) { throw new ArgumentNullException( "certificate" ); } } //------------------------------------------------------ // // PUBLIC ACCESSOR METHODS // //----------------------------------------------------- public X509Certificate Certificate { set { CheckCertificate( value ); m_certificate = new X509Certificate( value ); } get { if (m_certificate == null && m_element != null) ParseCertificate(); if (m_certificate != null) return new X509Certificate( m_certificate ); else return null; } } public override String ToString() { if (m_certificate == null && m_element != null) ParseCertificate(); if (m_certificate == null) return Environment.GetResourceString( "Publisher_ToString" ); else { String name = m_certificate.Subject; if (name != null) return String.Format( CultureInfo.CurrentCulture, Environment.GetResourceString( "Publisher_ToStringArg" ), System.Security.Util.Hex.EncodeHexString( m_certificate.GetPublicKey() ) ); else return Environment.GetResourceString( "Publisher_ToString" ); } } //------------------------------------------------------ // // IMEMBERSHIPCONDITION IMPLEMENTATION // //------------------------------------------------------ public bool Check( Evidence evidence ) { object usedEvidence = null; return (this as IReportMatchMembershipCondition).Check(evidence, out usedEvidence); } bool IReportMatchMembershipCondition.Check(Evidence evidence, out object usedEvidence) { usedEvidence = null; if (evidence == null) return false; IEnumerator enumerator = evidence.GetHostEnumerator(); while (enumerator.MoveNext()) { Publisher publisher = enumerator.Current as Publisher; if (publisher != null) { if (m_certificate == null && m_element != null) ParseCertificate(); // We can't just compare certs directly here because Publisher equality // depends only on the keys inside the certs. if (publisher.Equals(new Publisher(m_certificate))) { usedEvidence = publisher; return true; } } } return false; } public IMembershipCondition Copy() { if (m_certificate == null && m_element != null) ParseCertificate(); return new PublisherMembershipCondition( m_certificate ); } public SecurityElement ToXml() { return ToXml( null ); } public void FromXml( SecurityElement e ) { FromXml( e, null ); } public SecurityElement ToXml( PolicyLevel level ) { if (m_certificate == null && m_element != null) ParseCertificate(); SecurityElement root = new SecurityElement( "IMembershipCondition" ); System.Security.Util.XMLUtil.AddClassAttribute( root, this.GetType(), "System.Security.Policy.PublisherMembershipCondition" ); // If you hit this assertt then most likely you are trying to change the name of this class. // This is ok as long as you change the hard coded string above and change the assertt below. BCLDebug.Assert( this.GetType().FullName.Equals( "System.Security.Policy.PublisherMembershipCondition" ), "Class name changed!" ); root.AddAttribute( "version", "1" ); if (m_certificate != null) root.AddAttribute( "X509Certificate", m_certificate.GetRawCertDataString() ); return root; } public void FromXml( SecurityElement e, PolicyLevel level ) { if (e == null) throw new ArgumentNullException("e"); if (!e.Tag.Equals( "IMembershipCondition" )) { throw new ArgumentException( Environment.GetResourceString( "Argument_MembershipConditionElement" ) ); } lock (this) { m_element = e; m_certificate = null; } } private void ParseCertificate() { lock (this) { if (m_element == null) return; String elCert = m_element.Attribute( "X509Certificate" ); m_certificate = elCert == null ? null : new X509Certificate( System.Security.Util.Hex.DecodeHexString( elCert ) ); CheckCertificate( m_certificate ); m_element = null; } } public override bool Equals( Object o ) { PublisherMembershipCondition that = (o as PublisherMembershipCondition); if (that != null) { if (this.m_certificate == null && this.m_element != null) this.ParseCertificate(); if (that.m_certificate == null && that.m_element != null) that.ParseCertificate(); if ( Publisher.PublicKeyEquals( this.m_certificate, that.m_certificate )) return true; } return false; } public override int GetHashCode() { if (m_certificate == null && m_element != null) ParseCertificate(); if (m_certificate != null) return m_certificate.GetHashCode(); else return typeof( PublisherMembershipCondition ).GetHashCode(); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- entityreference_tresulttype.cs
- TCEAdapterGenerator.cs
- MdiWindowListItemConverter.cs
- CellTreeNodeVisitors.cs
- ValidatorCompatibilityHelper.cs
- DataGridViewRowConverter.cs
- DataGridViewCellContextMenuStripNeededEventArgs.cs
- RelationshipType.cs
- InternalRelationshipCollection.cs
- CodeIdentifiers.cs
- Helper.cs
- Tuple.cs
- cryptoapiTransform.cs
- PeerPresenceInfo.cs
- ColumnResizeUndoUnit.cs
- ThicknessConverter.cs
- SelectionGlyph.cs
- SingleTagSectionHandler.cs
- SingleObjectCollection.cs
- EnumValAlphaComparer.cs
- ColorMatrix.cs
- DataSourceCache.cs
- TextBlock.cs
- ReadOnlyCollectionBase.cs
- EntityExpressionVisitor.cs
- DataGridViewCheckBoxColumn.cs
- ProtocolsConfiguration.cs
- LocalizableResourceBuilder.cs
- StylusPlugin.cs
- ProtocolsConfigurationEntry.cs
- OdbcStatementHandle.cs
- LogWriteRestartAreaAsyncResult.cs
- OperationBehaviorAttribute.cs
- OSFeature.cs
- UnsafeNativeMethods.cs
- NameTable.cs
- DesignerDataTable.cs
- OutOfProcStateClientManager.cs
- ThemeInfoAttribute.cs
- ChannelManager.cs
- ListItemParagraph.cs
- NgenServicingAttributes.cs
- VectorValueSerializer.cs
- AvTrace.cs
- SystemSounds.cs
- PriorityBinding.cs
- Soap12FormatExtensions.cs
- DPTypeDescriptorContext.cs
- XsdDataContractExporter.cs
- BaseDataBoundControl.cs
- SqlSupersetValidator.cs
- HttpMethodAttribute.cs
- ConfigurationProperty.cs
- ECDiffieHellmanPublicKey.cs
- IntersectQueryOperator.cs
- String.cs
- JulianCalendar.cs
- MoveSizeWinEventHandler.cs
- SQLGuid.cs
- BooleanExpr.cs
- ProxyWebPartConnectionCollection.cs
- FrameworkName.cs
- HtmlControl.cs
- GeneralTransformGroup.cs
- PipeStream.cs
- WebPartEditorApplyVerb.cs
- ObjectTag.cs
- XmlEnumAttribute.cs
- designeractionlistschangedeventargs.cs
- DataServiceQuery.cs
- UnsafeNativeMethods.cs
- AutoScrollHelper.cs
- DescendentsWalker.cs
- DataControlCommands.cs
- XmlSchemaAttribute.cs
- ItemsChangedEventArgs.cs
- FixedSOMTableRow.cs
- PersistenceContextEnlistment.cs
- XmlCollation.cs
- Slider.cs
- SmtpReplyReader.cs
- Point3DAnimationUsingKeyFrames.cs
- WebPartConnectionsConnectVerb.cs
- XmlTypeAttribute.cs
- SequenceFullException.cs
- CharacterMetrics.cs
- SqlDataSourceDesigner.cs
- ExecutionContext.cs
- CompensatableSequenceActivity.cs
- PolicyValidationException.cs
- cookiecollection.cs
- VBIdentifierName.cs
- SecurityUtils.cs
- CachedFontFace.cs
- SoapAttributes.cs
- HttpWriter.cs
- Axis.cs
- SqlConnectionHelper.cs
- ExceptQueryOperator.cs
- TextEditorSelection.cs