Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / Permissions / ZoneIdentityPermission.cs / 1305376 / ZoneIdentityPermission.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // ZoneIdentityPermission.cs // //[....] // namespace System.Security.Permissions { using System; #if FEATURE_CAS_POLICY using SecurityElement = System.Security.SecurityElement; #endif // FEATURE_CAS_POLICY using System.Globalization; using System.Runtime.Serialization; using System.Collections; using System.Collections.Generic; using System.Diagnostics.Contracts; [System.Runtime.InteropServices.ComVisible(true)] [Serializable] sealed public class ZoneIdentityPermission : CodeAccessPermission, IBuiltInPermission { //------------------------------------------------------ // // PRIVATE STATE DATA // //----------------------------------------------------- // Zone Enum Flag // ----- ----- ----- // NoZone -1 0x00 // MyComputer 0 0x01 (1 << 0) // Intranet 1 0x02 (1 << 1) // Trusted 2 0x04 (1 << 2) // Internet 3 0x08 (1 << 3) // Untrusted 4 0x10 (1 << 4) private const uint AllZones = 0x1f; [OptionalField(VersionAdded = 2)] private uint m_zones; #if FEATURE_REMOTING // This field will be populated only for non X-AD scenarios where we create a XML-ised string of the Permission [OptionalField(VersionAdded = 2)] private String m_serializedPermission; // This field is legacy info from v1.x and is never used in v2.0 and beyond: purely for serialization purposes private SecurityZone m_zone = SecurityZone.NoZone; [OnDeserialized] private void OnDeserialized(StreamingContext ctx) { if ((ctx.State & ~(StreamingContextStates.Clone|StreamingContextStates.CrossAppDomain)) != 0) { // v2.0 and beyond XML case if (m_serializedPermission != null) { FromXml(SecurityElement.FromString(m_serializedPermission)); m_serializedPermission = null; } else //v1.x case where we read the m_zone value { SecurityZone = m_zone; m_zone = SecurityZone.NoZone; } } } [OnSerializing] private void OnSerializing(StreamingContext ctx) { if ((ctx.State & ~(StreamingContextStates.Clone|StreamingContextStates.CrossAppDomain)) != 0) { m_serializedPermission = ToXml().ToString(); //for the v2 and beyond case m_zone = SecurityZone; } } [OnSerialized] private void OnSerialized(StreamingContext ctx) { if ((ctx.State & ~(StreamingContextStates.Clone|StreamingContextStates.CrossAppDomain)) != 0) { m_serializedPermission = null; m_zone = SecurityZone.NoZone; } } #endif // FEATURE_REMOTING //----------------------------------------------------- // // PUBLIC CONSTRUCTORS // //----------------------------------------------------- public ZoneIdentityPermission(PermissionState state) { if (state == PermissionState.Unrestricted) { m_zones = AllZones; } else if (state == PermissionState.None) { m_zones = 0; } else { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidPermissionState")); } } public ZoneIdentityPermission( SecurityZone zone ) { this.SecurityZone = zone; } internal ZoneIdentityPermission( uint zones ) { m_zones = (zones & AllZones); } // Internal function to append all the Zone in this permission to the input ArrayList internal void AppendZones(ArrayList zoneList) { int nEnum = 0; uint nFlag; for(nFlag = 1; nFlag < AllZones; nFlag <<= 1) { if((m_zones & nFlag) != 0) { zoneList.Add((SecurityZone)nEnum); } nEnum++; } } //------------------------------------------------------ // // PUBLIC ACCESSOR METHODS // //----------------------------------------------------- public SecurityZone SecurityZone { set { VerifyZone( value ); if(value == SecurityZone.NoZone) m_zones = 0; else m_zones = (uint)1 << (int)value; } get { SecurityZone z = SecurityZone.NoZone; int nEnum = 0; uint nFlag; for(nFlag = 1; nFlag < AllZones; nFlag <<= 1) { if((m_zones & nFlag) != 0) { if(z == SecurityZone.NoZone) z = (SecurityZone)nEnum; else return SecurityZone.NoZone; } nEnum++; } return z; } } //------------------------------------------------------ // // PRIVATE AND PROTECTED HELPERS FOR ACCESSORS AND CONSTRUCTORS // //------------------------------------------------------ private static void VerifyZone( SecurityZone zone ) { if (zone < SecurityZone.NoZone || zone > SecurityZone.Untrusted) { throw new ArgumentException( Environment.GetResourceString("Argument_IllegalZone") ); } Contract.EndContractBlock(); } //----------------------------------------------------- // // CODEACCESSPERMISSION IMPLEMENTATION // //------------------------------------------------------ //----------------------------------------------------- // // IPERMISSION IMPLEMENTATION // //----------------------------------------------------- public override IPermission Copy() { return new ZoneIdentityPermission(this.m_zones); } public override bool IsSubsetOf(IPermission target) { if (target == null) return this.m_zones == 0; ZoneIdentityPermission that = target as ZoneIdentityPermission; if (that == null) throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName)); return (this.m_zones & that.m_zones) == this.m_zones; } public override IPermission Intersect(IPermission target) { if (target == null) return null; ZoneIdentityPermission that = target as ZoneIdentityPermission; if (that == null) throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName)); uint newZones = this.m_zones & that.m_zones; if(newZones == 0) return null; return new ZoneIdentityPermission(newZones); } public override IPermission Union(IPermission target) { if (target == null) return this.m_zones != 0 ? this.Copy() : null; ZoneIdentityPermission that = target as ZoneIdentityPermission; if (that == null) throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName)); return new ZoneIdentityPermission(this.m_zones | that.m_zones); } #if FEATURE_CAS_POLICY public override SecurityElement ToXml() { SecurityElement esd = CodeAccessPermission.CreatePermissionElement( this, "System.Security.Permissions.ZoneIdentityPermission" ); if (SecurityZone != SecurityZone.NoZone) { esd.AddAttribute( "Zone", Enum.GetName( typeof( SecurityZone ), this.SecurityZone ) ); } else { int nEnum = 0; uint nFlag; for(nFlag = 1; nFlag < AllZones; nFlag <<= 1) { if((m_zones & nFlag) != 0) { SecurityElement child = new SecurityElement("Zone"); child.AddAttribute( "Zone", Enum.GetName( typeof( SecurityZone ), (SecurityZone)nEnum ) ); esd.AddChild(child); } nEnum++; } } return esd; } public override void FromXml(SecurityElement esd) { m_zones = 0; CodeAccessPermission.ValidateElement( esd, this ); String eZone = esd.Attribute( "Zone" ); if (eZone != null) SecurityZone = (SecurityZone)Enum.Parse( typeof( SecurityZone ), eZone ); if(esd.Children != null) { foreach(SecurityElement child in esd.Children) { eZone = child.Attribute( "Zone" ); int enm = (int)Enum.Parse( typeof( SecurityZone ), eZone ); if(enm == (int)SecurityZone.NoZone) continue; m_zones |= ((uint)1 << enm); } } } #endif // FEATURE_CAS_POLICY ///int IBuiltInPermission.GetTokenIndex() { return ZoneIdentityPermission.GetTokenIndex(); } internal static int GetTokenIndex() { return BuiltInPermissionIndex.ZoneIdentityPermissionIndex; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // ZoneIdentityPermission.cs // // [....] // namespace System.Security.Permissions { using System; #if FEATURE_CAS_POLICY using SecurityElement = System.Security.SecurityElement; #endif // FEATURE_CAS_POLICY using System.Globalization; using System.Runtime.Serialization; using System.Collections; using System.Collections.Generic; using System.Diagnostics.Contracts; [System.Runtime.InteropServices.ComVisible(true)] [Serializable] sealed public class ZoneIdentityPermission : CodeAccessPermission, IBuiltInPermission { //------------------------------------------------------ // // PRIVATE STATE DATA // //----------------------------------------------------- // Zone Enum Flag // ----- ----- ----- // NoZone -1 0x00 // MyComputer 0 0x01 (1 << 0) // Intranet 1 0x02 (1 << 1) // Trusted 2 0x04 (1 << 2) // Internet 3 0x08 (1 << 3) // Untrusted 4 0x10 (1 << 4) private const uint AllZones = 0x1f; [OptionalField(VersionAdded = 2)] private uint m_zones; #if FEATURE_REMOTING // This field will be populated only for non X-AD scenarios where we create a XML-ised string of the Permission [OptionalField(VersionAdded = 2)] private String m_serializedPermission; // This field is legacy info from v1.x and is never used in v2.0 and beyond: purely for serialization purposes private SecurityZone m_zone = SecurityZone.NoZone; [OnDeserialized] private void OnDeserialized(StreamingContext ctx) { if ((ctx.State & ~(StreamingContextStates.Clone|StreamingContextStates.CrossAppDomain)) != 0) { // v2.0 and beyond XML case if (m_serializedPermission != null) { FromXml(SecurityElement.FromString(m_serializedPermission)); m_serializedPermission = null; } else //v1.x case where we read the m_zone value { SecurityZone = m_zone; m_zone = SecurityZone.NoZone; } } } [OnSerializing] private void OnSerializing(StreamingContext ctx) { if ((ctx.State & ~(StreamingContextStates.Clone|StreamingContextStates.CrossAppDomain)) != 0) { m_serializedPermission = ToXml().ToString(); //for the v2 and beyond case m_zone = SecurityZone; } } [OnSerialized] private void OnSerialized(StreamingContext ctx) { if ((ctx.State & ~(StreamingContextStates.Clone|StreamingContextStates.CrossAppDomain)) != 0) { m_serializedPermission = null; m_zone = SecurityZone.NoZone; } } #endif // FEATURE_REMOTING //----------------------------------------------------- // // PUBLIC CONSTRUCTORS // //----------------------------------------------------- public ZoneIdentityPermission(PermissionState state) { if (state == PermissionState.Unrestricted) { m_zones = AllZones; } else if (state == PermissionState.None) { m_zones = 0; } else { throw new ArgumentException(Environment.GetResourceString("Argument_InvalidPermissionState")); } } public ZoneIdentityPermission( SecurityZone zone ) { this.SecurityZone = zone; } internal ZoneIdentityPermission( uint zones ) { m_zones = (zones & AllZones); } // Internal function to append all the Zone in this permission to the input ArrayList internal void AppendZones(ArrayList zoneList) { int nEnum = 0; uint nFlag; for(nFlag = 1; nFlag < AllZones; nFlag <<= 1) { if((m_zones & nFlag) != 0) { zoneList.Add((SecurityZone)nEnum); } nEnum++; } } //------------------------------------------------------ // // PUBLIC ACCESSOR METHODS // //----------------------------------------------------- public SecurityZone SecurityZone { set { VerifyZone( value ); if(value == SecurityZone.NoZone) m_zones = 0; else m_zones = (uint)1 << (int)value; } get { SecurityZone z = SecurityZone.NoZone; int nEnum = 0; uint nFlag; for(nFlag = 1; nFlag < AllZones; nFlag <<= 1) { if((m_zones & nFlag) != 0) { if(z == SecurityZone.NoZone) z = (SecurityZone)nEnum; else return SecurityZone.NoZone; } nEnum++; } return z; } } //------------------------------------------------------ // // PRIVATE AND PROTECTED HELPERS FOR ACCESSORS AND CONSTRUCTORS // //------------------------------------------------------ private static void VerifyZone( SecurityZone zone ) { if (zone < SecurityZone.NoZone || zone > SecurityZone.Untrusted) { throw new ArgumentException( Environment.GetResourceString("Argument_IllegalZone") ); } Contract.EndContractBlock(); } //----------------------------------------------------- // // CODEACCESSPERMISSION IMPLEMENTATION // //------------------------------------------------------ //----------------------------------------------------- // // IPERMISSION IMPLEMENTATION // //----------------------------------------------------- public override IPermission Copy() { return new ZoneIdentityPermission(this.m_zones); } public override bool IsSubsetOf(IPermission target) { if (target == null) return this.m_zones == 0; ZoneIdentityPermission that = target as ZoneIdentityPermission; if (that == null) throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName)); return (this.m_zones & that.m_zones) == this.m_zones; } public override IPermission Intersect(IPermission target) { if (target == null) return null; ZoneIdentityPermission that = target as ZoneIdentityPermission; if (that == null) throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName)); uint newZones = this.m_zones & that.m_zones; if(newZones == 0) return null; return new ZoneIdentityPermission(newZones); } public override IPermission Union(IPermission target) { if (target == null) return this.m_zones != 0 ? this.Copy() : null; ZoneIdentityPermission that = target as ZoneIdentityPermission; if (that == null) throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName)); return new ZoneIdentityPermission(this.m_zones | that.m_zones); } #if FEATURE_CAS_POLICY public override SecurityElement ToXml() { SecurityElement esd = CodeAccessPermission.CreatePermissionElement( this, "System.Security.Permissions.ZoneIdentityPermission" ); if (SecurityZone != SecurityZone.NoZone) { esd.AddAttribute( "Zone", Enum.GetName( typeof( SecurityZone ), this.SecurityZone ) ); } else { int nEnum = 0; uint nFlag; for(nFlag = 1; nFlag < AllZones; nFlag <<= 1) { if((m_zones & nFlag) != 0) { SecurityElement child = new SecurityElement("Zone"); child.AddAttribute( "Zone", Enum.GetName( typeof( SecurityZone ), (SecurityZone)nEnum ) ); esd.AddChild(child); } nEnum++; } } return esd; } public override void FromXml(SecurityElement esd) { m_zones = 0; CodeAccessPermission.ValidateElement( esd, this ); String eZone = esd.Attribute( "Zone" ); if (eZone != null) SecurityZone = (SecurityZone)Enum.Parse( typeof( SecurityZone ), eZone ); if(esd.Children != null) { foreach(SecurityElement child in esd.Children) { eZone = child.Attribute( "Zone" ); int enm = (int)Enum.Parse( typeof( SecurityZone ), eZone ); if(enm == (int)SecurityZone.NoZone) continue; m_zones |= ((uint)1 << enm); } } } #endif // FEATURE_CAS_POLICY ///int IBuiltInPermission.GetTokenIndex() { return ZoneIdentityPermission.GetTokenIndex(); } internal static int GetTokenIndex() { return BuiltInPermissionIndex.ZoneIdentityPermissionIndex; } } } // 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
- WindowsPen.cs
- RequestCachePolicy.cs
- PrintPreviewControl.cs
- FullTextState.cs
- StateMachineAction.cs
- DbQueryCommandTree.cs
- documentsequencetextpointer.cs
- KnownTypesHelper.cs
- SchemaNotation.cs
- SecurityDescriptor.cs
- PolicyLevel.cs
- ParseNumbers.cs
- ValidatorAttribute.cs
- EdgeModeValidation.cs
- MailBnfHelper.cs
- XmlSerializationWriter.cs
- HtmlInputFile.cs
- AsyncPostBackErrorEventArgs.cs
- HttpConfigurationSystem.cs
- RegexGroupCollection.cs
- PackagePartCollection.cs
- XmlCompatibilityReader.cs
- Matrix3D.cs
- RtfToXamlLexer.cs
- EdgeModeValidation.cs
- BrowserCapabilitiesFactoryBase.cs
- BookmarkOptionsHelper.cs
- SafeViewOfFileHandle.cs
- Int16AnimationBase.cs
- Hashtable.cs
- BitmapCodecInfoInternal.cs
- XmlIterators.cs
- Roles.cs
- WindowsRichEdit.cs
- TableRowCollection.cs
- StateBag.cs
- RijndaelManaged.cs
- PositiveTimeSpanValidatorAttribute.cs
- JapaneseLunisolarCalendar.cs
- JapaneseLunisolarCalendar.cs
- BitmapEffectDrawingContent.cs
- PropertyNames.cs
- sqlser.cs
- MenuCommands.cs
- contentDescriptor.cs
- DataGridViewCellToolTipTextNeededEventArgs.cs
- Image.cs
- GlyphRunDrawing.cs
- SapiGrammar.cs
- ComponentGuaranteesAttribute.cs
- BitmapEffectCollection.cs
- _Win32.cs
- RtfFormatStack.cs
- CodeFieldReferenceExpression.cs
- HttpHandlerAction.cs
- SmtpNtlmAuthenticationModule.cs
- input.cs
- nulltextnavigator.cs
- formatter.cs
- XmlSchemaValidator.cs
- cookie.cs
- DependencyProperty.cs
- MimeMultiPart.cs
- Simplifier.cs
- Peer.cs
- AudioException.cs
- TypedReference.cs
- MarshalDirectiveException.cs
- ZipFileInfoCollection.cs
- PermissionRequestEvidence.cs
- TreeView.cs
- TextDocumentView.cs
- PasswordRecovery.cs
- FocusManager.cs
- ImageIndexConverter.cs
- StyleBamlTreeBuilder.cs
- HyperLink.cs
- PropertySet.cs
- GridItemPatternIdentifiers.cs
- SqlInternalConnectionTds.cs
- IncrementalCompileAnalyzer.cs
- AdornedElementPlaceholder.cs
- GenericsInstances.cs
- DesignerTextViewAdapter.cs
- ListViewItemEventArgs.cs
- SHA512.cs
- DBSqlParserTable.cs
- IntellisenseTextBox.designer.cs
- Internal.cs
- FixedDocumentPaginator.cs
- ResourceSet.cs
- HMACSHA512.cs
- HandleCollector.cs
- SmiRecordBuffer.cs
- EventSourceCreationData.cs
- Util.cs
- BitHelper.cs
- CssClassPropertyAttribute.cs
- Fonts.cs
- COAUTHIDENTITY.cs