Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / BuiltInPermissionSets.cs / 1305376 / BuiltInPermissionSets.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // //[....] // using System; using System.Diagnostics.Contracts; using System.Security.Permissions; using Microsoft.Win32; namespace System.Security { internal static class BuiltInPermissionSets { // // Raw PermissionSet XML - the built in permission sets are expressed in XML form since they contain // permissions from assemblies other than mscorlib. // private static readonly string s_everythingXml = @""; private static readonly string s_executionXml = @" "; private static readonly string s_fullTrustXml = @" "; private static readonly string s_internetXml = @" "; private static readonly string s_localIntranetXml = @" "; private static readonly string s_nothingXml = @" "; private static readonly string s_skipVerificationXml = @" "; #if FEATURE_CAS_POLICY private const string s_wpfExtensionXml = @" "; private const string s_wpfExtensionUnrestrictedXml = @" "; #endif //FEATURE_CAS_POLICY // // Built in permission set objects // private static NamedPermissionSet s_everything; private static NamedPermissionSet s_execution; private static NamedPermissionSet s_fullTrust; private static NamedPermissionSet s_internet; private static NamedPermissionSet s_localIntranet; private static NamedPermissionSet s_nothing; private static NamedPermissionSet s_skipVerification; // // Standard permission sets // internal static NamedPermissionSet Everything { get { return GetOrDeserializeExtendablePermissionSet(ref s_everything, s_everythingXml #if FEATURE_CAS_POLICY , s_wpfExtensionUnrestrictedXml #endif // FEATURE_CAS_POLICY ); } } internal static NamedPermissionSet Execution { get { return GetOrDeserializePermissionSet(ref s_execution, s_executionXml); } } internal static NamedPermissionSet FullTrust { get { return GetOrDeserializePermissionSet(ref s_fullTrust, s_fullTrustXml); } } internal static NamedPermissionSet Internet { get { return GetOrDeserializeExtendablePermissionSet(ref s_internet, s_internetXml #if FEATURE_CAS_POLICY , s_wpfExtensionXml #endif // FEATURE_CAS_POLICY ); } } internal static NamedPermissionSet LocalIntranet { get { return GetOrDeserializeExtendablePermissionSet(ref s_localIntranet, s_localIntranetXml #if FEATURE_CAS_POLICY , s_wpfExtensionXml #endif // FEATURE_CAS_POLICY ); } } internal static NamedPermissionSet Nothing { get { return GetOrDeserializePermissionSet(ref s_nothing, s_nothingXml); } } internal static NamedPermissionSet SkipVerification { get { return GetOrDeserializePermissionSet(ref s_skipVerification, s_skipVerificationXml); } } // // Utility methods to construct the permission set objects from the well known XML and any permission // set extensions if necessary // private static NamedPermissionSet GetOrDeserializeExtendablePermissionSet(ref NamedPermissionSet permissionSet, string permissionSetXml #if FEATURE_CAS_POLICY ,string extensionXml #endif // FEATURE_CAS_POLICY ) { Contract.Requires(!String.IsNullOrEmpty(permissionSetXml)); #if FEATURE_CAS_POLICY Contract.Requires(!String.IsNullOrEmpty(extensionXml)); #endif // FEATURE_CAS_POLICY if (permissionSet == null) { #if FEATURE_CAS_POLICY SecurityElement securityElement = SecurityElement.FromString(permissionSetXml); NamedPermissionSet deserializedPermissionSet = new NamedPermissionSet(securityElement); PermissionSet extensions = GetPermissionSetExtensions(extensionXml); deserializedPermissionSet.InplaceUnion(extensions); permissionSet = deserializedPermissionSet; #endif // FEATURE_CAS_POLICY } return permissionSet.Copy() as NamedPermissionSet; } private static NamedPermissionSet GetOrDeserializePermissionSet(ref NamedPermissionSet permissionSet, string permissionSetXml) { Contract.Assert(!String.IsNullOrEmpty(permissionSetXml)); #if FEATURE_CAS_POLICY if (permissionSet == null) { SecurityElement securityElement = SecurityElement.FromString(permissionSetXml); NamedPermissionSet deserializedPermissionSet = new NamedPermissionSet(securityElement); permissionSet = deserializedPermissionSet; } #endif // FEATURE_CAS_POLICY return permissionSet.Copy() as NamedPermissionSet; } #if FEATURE_CAS_POLICY private static PermissionSet GetPermissionSetExtensions(string extensionXml) { Contract.Requires(!String.IsNullOrEmpty(extensionXml)); SecurityElement se = SecurityElement.FromString(extensionXml); // Return the permission set extension only if WPF is in the present framework profile. // XMLUtil.GetClassFromElement() helps do the quickest check, with no exception thrown and // minimal parsing. SecurityElement firstPermission = (SecurityElement)se.Children[0]; if (System.Security.Util.XMLUtil.GetClassFromElement(firstPermission, /*ignoreTypeLoadFailures*/true) != null) { PermissionSet extensions = new NamedPermissionSet(se); return extensions; } return null; } #endif // FEATURE_CAS_POLICY } } // 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
- ParameterBuilder.cs
- BinaryFormatter.cs
- QilLiteral.cs
- FontUnitConverter.cs
- Label.cs
- SegmentInfo.cs
- DataServiceHostWrapper.cs
- DynamicDocumentPaginator.cs
- ExtractedStateEntry.cs
- TargetConverter.cs
- DynamicUpdateCommand.cs
- TreeBuilder.cs
- ClientFormsAuthenticationCredentials.cs
- Thumb.cs
- Policy.cs
- NullEntityWrapper.cs
- ExpressionLexer.cs
- DBConcurrencyException.cs
- WebPartVerbsEventArgs.cs
- EnumConverter.cs
- infer.cs
- DockingAttribute.cs
- BindingMemberInfo.cs
- GridViewDesigner.cs
- DataListCommandEventArgs.cs
- DSGeneratorProblem.cs
- InfoCardAsymmetricCrypto.cs
- ListViewItem.cs
- TargetControlTypeCache.cs
- DrawingAttributes.cs
- PersianCalendar.cs
- SequenceDesigner.cs
- TrustSection.cs
- DropSourceBehavior.cs
- SimpleBitVector32.cs
- ScrollItemProviderWrapper.cs
- DataGridViewRowPrePaintEventArgs.cs
- SocketConnection.cs
- MenuAutoFormat.cs
- ControlAdapter.cs
- DynamicPropertyHolder.cs
- EastAsianLunisolarCalendar.cs
- MulticastDelegate.cs
- BaseValidator.cs
- TreeView.cs
- FacetChecker.cs
- ToolStripProfessionalLowResolutionRenderer.cs
- WebPartMovingEventArgs.cs
- ExpressionBuilder.cs
- FrameworkPropertyMetadata.cs
- TypeListConverter.cs
- TableLayoutStyleCollection.cs
- ConfigurationConverterBase.cs
- SpellerInterop.cs
- TypeInformation.cs
- PropertyInformationCollection.cs
- ScriptResourceInfo.cs
- DocumentSequence.cs
- Localizer.cs
- ConstraintStruct.cs
- Path.cs
- WebPartDescriptionCollection.cs
- Sql8ConformanceChecker.cs
- TextRangeSerialization.cs
- Encoder.cs
- StdRegProviderWrapper.cs
- WindowsProgressbar.cs
- Transform.cs
- DebugView.cs
- Dump.cs
- IntranetCredentialPolicy.cs
- WebPart.cs
- TextTreePropertyUndoUnit.cs
- DomainUpDown.cs
- XsltFunctions.cs
- ScrollChangedEventArgs.cs
- XmlToDatasetMap.cs
- MetadataArtifactLoader.cs
- RequestCacheValidator.cs
- CompositeFontInfo.cs
- BooleanKeyFrameCollection.cs
- ObjectViewEntityCollectionData.cs
- NativeMethodsOther.cs
- assemblycache.cs
- basemetadatamappingvisitor.cs
- FormsAuthenticationTicket.cs
- EnumType.cs
- CodeStatementCollection.cs
- ControlBuilder.cs
- TabletCollection.cs
- FaultContractInfo.cs
- _HTTPDateParse.cs
- XmlSchemaAll.cs
- XmlSchemaAnyAttribute.cs
- GridViewColumn.cs
- MobilePage.cs
- WorkflowRuntimeServiceElementCollection.cs
- CollectionViewGroup.cs
- WebExceptionStatus.cs
- SqlProcedureAttribute.cs