Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / ManagedLibraries / Security / System / Security / permissions / dataprotectionpermission.cs / 1305376 / dataprotectionpermission.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //[....] // // // DataProtectionPermission.cs // namespace System.Security.Permissions { using System.Globalization; [Serializable()] public sealed class DataProtectionPermission : CodeAccessPermission, IUnrestrictedPermission { private DataProtectionPermissionFlags m_flags; public DataProtectionPermission (PermissionState state) { if (state == PermissionState.Unrestricted) m_flags = DataProtectionPermissionFlags.AllFlags; else if (state == PermissionState.None) m_flags = DataProtectionPermissionFlags.NoFlags; else throw new ArgumentException(SecurityResources.GetResourceString("Argument_InvalidPermissionState")); } public DataProtectionPermission (DataProtectionPermissionFlags flag) { this.Flags = flag; } public DataProtectionPermissionFlags Flags { set { VerifyFlags(value); m_flags = value; } get { return m_flags; } } // // IUnrestrictedPermission implementation // public bool IsUnrestricted () { return m_flags == DataProtectionPermissionFlags.AllFlags; } // // IPermission implementation // public override IPermission Union (IPermission target) { if (target == null) return this.Copy(); try { DataProtectionPermission operand = (DataProtectionPermission) target; DataProtectionPermissionFlags flag_union = m_flags | operand.m_flags; if (flag_union == DataProtectionPermissionFlags.NoFlags) return null; else return new DataProtectionPermission(flag_union); } catch (InvalidCastException) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SecurityResources.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } } public override bool IsSubsetOf (IPermission target) { if (target == null) return m_flags == DataProtectionPermissionFlags.NoFlags; try { DataProtectionPermission operand = (DataProtectionPermission) target; DataProtectionPermissionFlags sourceFlag = this.m_flags; DataProtectionPermissionFlags targetFlag = operand.m_flags; return ((sourceFlag & targetFlag) == sourceFlag); } catch (InvalidCastException) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SecurityResources.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } } public override IPermission Intersect (IPermission target) { if (target == null) return null; try { DataProtectionPermission operand = (DataProtectionPermission) target; DataProtectionPermissionFlags flag_intersect = operand.m_flags & this.m_flags; if (flag_intersect == DataProtectionPermissionFlags.NoFlags) return null; else return new DataProtectionPermission(flag_intersect); } catch (InvalidCastException) { throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SecurityResources.GetResourceString("Argument_WrongType"), this.GetType().FullName)); } } public override IPermission Copy () { if (this.Flags == DataProtectionPermissionFlags.NoFlags) return null; return new DataProtectionPermission(m_flags); } // // FromXml/ToXml // public override SecurityElement ToXml () { SecurityElement securityElement = new SecurityElement("IPermission"); securityElement.AddAttribute("class", this.GetType().FullName + ", " + this.GetType().Module.Assembly.FullName.Replace('\"', '\'')); securityElement.AddAttribute("version", "1"); if (!IsUnrestricted()) securityElement.AddAttribute("Flags", m_flags.ToString()); else securityElement.AddAttribute("Unrestricted", "true"); return securityElement; } public override void FromXml (SecurityElement securityElement) { if (securityElement == null) throw new ArgumentNullException("securityElement"); string className = securityElement.Attribute("class"); if (className == null || className.IndexOf(this.GetType().FullName, StringComparison.Ordinal) == -1) throw new ArgumentException(SecurityResources.GetResourceString("Argument_InvalidClassAttribute"), "securityElement"); string unrestricted = securityElement.Attribute("Unrestricted"); if (unrestricted != null && String.Compare(unrestricted, "true", StringComparison.OrdinalIgnoreCase) == 0) { m_flags = DataProtectionPermissionFlags.AllFlags; return; } m_flags = DataProtectionPermissionFlags.NoFlags; string strFlags = securityElement.Attribute("Flags"); if (strFlags != null) { DataProtectionPermissionFlags flags = (DataProtectionPermissionFlags) Enum.Parse(typeof(DataProtectionPermissionFlags), strFlags); VerifyFlags(flags); m_flags = flags; } } internal static void VerifyFlags (DataProtectionPermissionFlags flags) { if ((flags & ~DataProtectionPermissionFlags.AllFlags) != 0) throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SecurityResources.GetResourceString("Arg_EnumIllegalVal"), (int)flags)); } } } // 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
- TextSelectionHighlightLayer.cs
- HighlightComponent.cs
- XmlWellformedWriter.cs
- FileClassifier.cs
- updatecommandorderer.cs
- IncrementalReadDecoders.cs
- PerformanceCounterPermissionAttribute.cs
- CheckoutException.cs
- RightsManagementManager.cs
- PrintDialog.cs
- PointConverter.cs
- SessionStateUtil.cs
- TemplateBindingExtensionConverter.cs
- Header.cs
- CustomErrorCollection.cs
- Matrix.cs
- TemplateXamlParser.cs
- AccessorTable.cs
- CounterSetInstanceCounterDataSet.cs
- ToolboxItemCollection.cs
- Resources.Designer.cs
- DataBoundControlActionList.cs
- HtmlHead.cs
- BitmapEffectvisualstate.cs
- JournalNavigationScope.cs
- LayeredChannelListener.cs
- FacetEnabledSchemaElement.cs
- CodeNamespaceImportCollection.cs
- DockProviderWrapper.cs
- IdentityNotMappedException.cs
- LabelLiteral.cs
- MiniLockedBorderGlyph.cs
- Ipv6Element.cs
- JoinGraph.cs
- HtmlButton.cs
- PathSegment.cs
- FlowDocumentFormatter.cs
- ApplicationFileParser.cs
- IPEndPoint.cs
- TemplateBuilder.cs
- StringHelper.cs
- Stopwatch.cs
- MinimizableAttributeTypeConverter.cs
- SimpleLine.cs
- StreamResourceInfo.cs
- XmlParserContext.cs
- Currency.cs
- AutomationPropertyInfo.cs
- DataGridParentRows.cs
- TemplateControlCodeDomTreeGenerator.cs
- HttpConfigurationSystem.cs
- DeviceSpecificChoiceCollection.cs
- HttpClientCertificate.cs
- ObjectReferenceStack.cs
- Native.cs
- XmlDataDocument.cs
- AssemblyLoader.cs
- DesignerActionItem.cs
- BlurEffect.cs
- EventBookmark.cs
- GetWinFXPath.cs
- FixedDocumentSequencePaginator.cs
- TabOrder.cs
- XmlSchemaSimpleTypeRestriction.cs
- ConfigXmlWhitespace.cs
- ServiceHostFactory.cs
- EnvironmentPermission.cs
- WebConfigurationFileMap.cs
- ColorConverter.cs
- DefaultMemberAttribute.cs
- XmlILOptimizerVisitor.cs
- CommandManager.cs
- RSAPKCS1KeyExchangeDeformatter.cs
- DSASignatureDeformatter.cs
- storagemappingitemcollection.viewdictionary.cs
- DispatcherProcessingDisabled.cs
- COM2ComponentEditor.cs
- PointConverter.cs
- DetailsViewDeleteEventArgs.cs
- DependencyObjectCodeDomSerializer.cs
- RelatedView.cs
- ZipIOZip64EndOfCentralDirectoryLocatorBlock.cs
- XmlAttributes.cs
- XsltCompileContext.cs
- CngKeyCreationParameters.cs
- Lease.cs
- GeometryCombineModeValidation.cs
- InternalException.cs
- _Win32.cs
- ValueConversionAttribute.cs
- ResetableIterator.cs
- PKCS1MaskGenerationMethod.cs
- HtmlTitle.cs
- WeakReadOnlyCollection.cs
- SafeRightsManagementSessionHandle.cs
- CustomCredentialPolicy.cs
- HttpCapabilitiesBase.cs
- XPathScanner.cs
- StyleSheet.cs
- ObjectConverter.cs