Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Security / Policy / ZoneMembershipCondition.cs / 1 / ZoneMembershipCondition.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // ZoneMembershipCondition.cs // // Implementation of membership condition for zones // namespace System.Security.Policy { using System; using SecurityManager = System.Security.SecurityManager; using PermissionSet = System.Security.PermissionSet; using SecurityElement = System.Security.SecurityElement; using System.Collections; using System.Globalization; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] sealed public class ZoneMembershipCondition : IMembershipCondition, IConstantMembershipCondition { //------------------------------------------------------ // // PRIVATE CONSTANTS // //----------------------------------------------------- private static readonly String[] s_names = {"MyComputer", "Intranet", "Trusted", "Internet", "Untrusted"}; //----------------------------------------------------- // // PRIVATE STATE DATA // //----------------------------------------------------- private SecurityZone m_zone; private SecurityElement m_element; //------------------------------------------------------ // // PUBLIC CONSTRUCTORS // //----------------------------------------------------- internal ZoneMembershipCondition() { m_zone = SecurityZone.NoZone; } public ZoneMembershipCondition( SecurityZone zone ) { VerifyZone( zone ); this.SecurityZone = zone; } //------------------------------------------------------ // // PUBLIC ACCESSOR METHODS // //------------------------------------------------------ public SecurityZone SecurityZone { set { VerifyZone( value ); m_zone = value; } get { if (m_zone == SecurityZone.NoZone && m_element != null) ParseZone(); return m_zone; } } //----------------------------------------------------- // // PRIVATE AND PROTECTED HELPERS FOR ACCESSORS AND CONSTRUCTORS // //------------------------------------------------------ private static void VerifyZone( SecurityZone zone ) { if (zone < SecurityZone.MyComputer || zone > SecurityZone.Untrusted) { throw new ArgumentException( Environment.GetResourceString( "Argument_IllegalZone" ) ); } } //----------------------------------------------------- // // IMEMBERSHIPCONDITION IMPLEMENTATION // //----------------------------------------------------- public bool Check( Evidence evidence ) { if (evidence == null) return false; IEnumerator enumerator = evidence.GetHostEnumerator(); while (enumerator.MoveNext()) { Object obj = enumerator.Current; if (obj is Zone) { if (m_zone == SecurityZone.NoZone && m_element != null) ParseZone(); if (((Zone)obj).SecurityZone == m_zone) { return true; } } } return false; } public IMembershipCondition Copy() { if (m_zone == SecurityZone.NoZone && m_element != null) ParseZone(); return new ZoneMembershipCondition( m_zone ); } public SecurityElement ToXml() { return ToXml( null ); } public void FromXml( SecurityElement e ) { FromXml( e, null ); } public SecurityElement ToXml( PolicyLevel level ) { if (m_zone == SecurityZone.NoZone && m_element != null) ParseZone(); SecurityElement root = new SecurityElement( "IMembershipCondition" ); System.Security.Util.XMLUtil.AddClassAttribute( root, this.GetType(), "System.Security.Policy.ZoneMembershipCondition" ); // If you hit this assert 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 assert below. BCLDebug.Assert( this.GetType().FullName.Equals( "System.Security.Policy.ZoneMembershipCondition" ), "Class name changed!" ); root.AddAttribute( "version", "1" ); if (m_zone != SecurityZone.NoZone) root.AddAttribute( "Zone", Enum.GetName( typeof( SecurityZone ), m_zone ) ); 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_zone = SecurityZone.NoZone; m_element = e; } } private void ParseZone() { lock (this) { if (m_element == null) return; String eZone = m_element.Attribute( "Zone" ); m_zone = SecurityZone.NoZone; if (eZone != null) { m_zone = (SecurityZone)Enum.Parse( typeof( SecurityZone ), eZone ); } else { throw new ArgumentException( Environment.GetResourceString( "Argument_ZoneCannotBeNull" ) ); } VerifyZone(m_zone); m_element = null; } } public override bool Equals( Object o ) { ZoneMembershipCondition that = (o as ZoneMembershipCondition); if (that != null) { if (this.m_zone == SecurityZone.NoZone && this.m_element != null) this.ParseZone(); if (that.m_zone == SecurityZone.NoZone && that.m_element != null) that.ParseZone(); if(this.m_zone == that.m_zone) { return true; } } return false; } public override int GetHashCode() { if (this.m_zone == SecurityZone.NoZone && this.m_element != null) this.ParseZone(); return (int)m_zone; } public override String ToString() { if (m_zone == SecurityZone.NoZone && m_element != null) ParseZone(); return String.Format( CultureInfo.CurrentCulture, Environment.GetResourceString( "Zone_ToString" ), s_names[(int)m_zone] ); } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- CacheMode.cs
- NonParentingControl.cs
- EntityDataSourceDesigner.cs
- CornerRadiusConverter.cs
- WebBrowserEvent.cs
- validation.cs
- QueryOperationResponseOfT.cs
- LongValidatorAttribute.cs
- DmlSqlGenerator.cs
- RoleGroup.cs
- MemberAccessException.cs
- ToolStripItemTextRenderEventArgs.cs
- XmlComplianceUtil.cs
- Directory.cs
- FormatVersion.cs
- MobileContainerDesigner.cs
- EventData.cs
- EntityContainerAssociationSetEnd.cs
- ParameterElementCollection.cs
- AppDomainGrammarProxy.cs
- VideoDrawing.cs
- ProjectionPruner.cs
- bidPrivateBase.cs
- BulletChrome.cs
- SharedPersonalizationStateInfo.cs
- SmtpFailedRecipientsException.cs
- LabelInfo.cs
- HitTestParameters3D.cs
- ClientConfigurationHost.cs
- GridViewColumnHeader.cs
- HtmlTable.cs
- CroppedBitmap.cs
- CodeDomComponentSerializationService.cs
- ForceCopyBuildProvider.cs
- SHA256Managed.cs
- WindowsPen.cs
- DispatcherHooks.cs
- SmiEventStream.cs
- SRGSCompiler.cs
- EventBuilder.cs
- EdgeModeValidation.cs
- XmlNodeReader.cs
- Variant.cs
- IERequestCache.cs
- UIHelper.cs
- ConsoleCancelEventArgs.cs
- SqlDataSourceStatusEventArgs.cs
- SingleAnimation.cs
- LoginView.cs
- OleDbEnumerator.cs
- HtmlAnchor.cs
- RawMouseInputReport.cs
- BindingsCollection.cs
- IApplicationTrustManager.cs
- XmlSubtreeReader.cs
- HttpSysSettings.cs
- ParseElement.cs
- ImportContext.cs
- ContextMenu.cs
- HighlightVisual.cs
- Intellisense.cs
- IOThreadScheduler.cs
- CategoriesDocument.cs
- HttpResponseInternalBase.cs
- HttpRequest.cs
- DiscoveryClientChannelBase.cs
- Underline.cs
- DispatcherFrame.cs
- ObjectItemCollection.cs
- WindowsProgressbar.cs
- __ComObject.cs
- XmlSchemaAttributeGroup.cs
- GenericsInstances.cs
- AmbientValueAttribute.cs
- ToolBar.cs
- XmlDictionary.cs
- TreeNodeBindingCollection.cs
- WebPartHelpVerb.cs
- XmlNodeReader.cs
- AnnotationResourceCollection.cs
- TreeNodeBindingCollection.cs
- XPathNodeHelper.cs
- Line.cs
- PatternMatcher.cs
- ScaleTransform.cs
- shaper.cs
- FreezableOperations.cs
- TiffBitmapDecoder.cs
- MatrixTransform3D.cs
- StorageSetMapping.cs
- StateManagedCollection.cs
- DSASignatureFormatter.cs
- XPathSelectionIterator.cs
- Queue.cs
- PrefixHandle.cs
- ObjectSet.cs
- SqlUtils.cs
- Border.cs
- BuildProviderUtils.cs
- VirtualizingStackPanel.cs