Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / Configuration / AuthorizationRuleCollection.cs / 2 / AuthorizationRuleCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Configuration { using System; using System.Xml; using System.Configuration; using System.Collections.Specialized; using System.Collections; using System.Globalization; using System.IO; using System.Text; using System.Security.Principal; using System.Web.Util; using System.ComponentModel; using System.Security.Permissions; [ConfigurationCollection(typeof(AuthorizationRule), AddItemName = "allow,deny", CollectionType = ConfigurationElementCollectionType.BasicMapAlternate)] [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class AuthorizationRuleCollection : ConfigurationElementCollection { private static ConfigurationPropertyCollection _properties; static AuthorizationRuleCollection() { _properties = new ConfigurationPropertyCollection(); } public AuthorizationRuleCollection() { } protected override ConfigurationPropertyCollection Properties { get { return _properties; } } // public properties public AuthorizationRule this[int index] { get { return (AuthorizationRule)BaseGet(index); } set { if (BaseGet(index) != null) { BaseRemoveAt(index); } BaseAdd(index, value); } } // Protected Overrides protected override ConfigurationElement CreateNewElement() { return new AuthorizationRule(); } protected override ConfigurationElement CreateNewElement(string elementName) { AuthorizationRule newElement = new AuthorizationRule(); switch (elementName.ToLower(CultureInfo.InvariantCulture)) { case "allow": newElement.Action = AuthorizationRuleAction.Allow; break; case "deny": newElement.Action = AuthorizationRuleAction.Deny; break; } return newElement; } protected override Object GetElementKey(ConfigurationElement element) { AuthorizationRule rule = (AuthorizationRule)element; return rule._ActionString; } protected override string ElementName { get { return String.Empty; //_LookUpInElement_ } } public override ConfigurationElementCollectionType CollectionType { get { return ConfigurationElementCollectionType.BasicMapAlternate; } } // IsElement name allows collection with multiple element names to // exist with the base class architecture. Given an element name // it simply returns true if the name is legal for the default collection // or false otherwise. protected override bool IsElementName(string elementname) { bool IsElement = false; switch (elementname.ToLower(CultureInfo.InvariantCulture)) { case "allow": case "deny": IsElement = true; break; } return IsElement; } internal bool IsUserAllowed(IPrincipal user, String verb) { if (user == null) { return false; } if (!_fCheckForCommonCasesDone) { DoCheckForCommonCases(); _fCheckForCommonCasesDone = true; } if (!user.Identity.IsAuthenticated && _iAnonymousAllowed != 0) return (_iAnonymousAllowed > 0); if (_iAllUsersAllowed != 0) return (_iAllUsersAllowed > 0); // Go down the list permissions and check each one foreach (AuthorizationRule rule in this) { int result = rule.IsUserAllowed(user, verb); if (result != 0) return (result > 0); } return false; } private void DoCheckForCommonCases() { bool fStillLookingForAnonymous = true; bool fAnyAllowRulesFound = false; bool fAnyDenyRulesFound = false; foreach (AuthorizationRule rule in this) { if (rule.Everyone) // Found a rule for Every-user { if (!fAnyAllowRulesFound && rule.Action == AuthorizationRuleAction.Deny) _iAllUsersAllowed = -1; if (!fAnyDenyRulesFound && rule.Action == AuthorizationRuleAction.Allow) _iAllUsersAllowed = 1; return; // done! } if (fStillLookingForAnonymous && rule.IncludesAnonymous) // Found a rule for anonymous-user { if (!fAnyAllowRulesFound && rule.Action == AuthorizationRuleAction.Deny) _iAnonymousAllowed = -1; if (!fAnyDenyRulesFound && rule.Action == AuthorizationRuleAction.Allow) _iAnonymousAllowed = 1; fStillLookingForAnonymous = false; } if (!fAnyAllowRulesFound && rule.Action == AuthorizationRuleAction.Allow) fAnyAllowRulesFound = true; if (!fAnyDenyRulesFound && rule.Action == AuthorizationRuleAction.Deny) fAnyDenyRulesFound = true; if (!fStillLookingForAnonymous && fAnyAllowRulesFound && fAnyDenyRulesFound) return; } } // public methods public void Add(AuthorizationRule rule) { BaseAdd(-1, rule); // add to the end of the list and dont overwrite dups! } public void Clear() { BaseClear(); } public AuthorizationRule Get(int index) { return (AuthorizationRule)BaseGet(index); } public void RemoveAt(int index) { BaseRemoveAt(index); } public void Set(int index, AuthorizationRule rule) { BaseAdd(index, rule); } public int IndexOf(AuthorizationRule rule) { for (int x = 0; x < Count; x++) { if (Object.Equals(Get(x), rule)) { return x; } } return -1; } public void Remove(AuthorizationRule rule) { int index = IndexOf(rule); if (index >= 0) { BaseRemoveAt(index); } } private int _iAllUsersAllowed = 0; private int _iAnonymousAllowed = 0; private bool _fCheckForCommonCasesDone = false; } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- LocationSectionRecord.cs
- CollectionAdapters.cs
- HtmlInputImage.cs
- Matrix.cs
- CodeTypeMemberCollection.cs
- FormViewUpdatedEventArgs.cs
- GrammarBuilderDictation.cs
- OracleBFile.cs
- RoutingExtension.cs
- FocusChangedEventArgs.cs
- TouchEventArgs.cs
- PlainXmlWriter.cs
- CacheEntry.cs
- versioninfo.cs
- BasicKeyConstraint.cs
- ListViewSelectEventArgs.cs
- PageTheme.cs
- ResXResourceReader.cs
- TextBoxView.cs
- SoapAttributeAttribute.cs
- WorkBatch.cs
- TypeExtensionConverter.cs
- CapabilitiesAssignment.cs
- DataServiceClientException.cs
- ThreadAttributes.cs
- KnownTypesHelper.cs
- RefreshEventArgs.cs
- TimeSpanMinutesConverter.cs
- ToolStripMenuItemCodeDomSerializer.cs
- IisTraceListener.cs
- TypedTableBase.cs
- ExeContext.cs
- MessageQueuePermission.cs
- ActivityBuilderHelper.cs
- XmlSchemaImporter.cs
- XmlWrappingReader.cs
- EntityDesignerUtils.cs
- CheckBoxFlatAdapter.cs
- ListBindingConverter.cs
- CharacterMetricsDictionary.cs
- WebPartDisplayModeCancelEventArgs.cs
- CachedTypeface.cs
- LinqDataSourceView.cs
- PointAnimationClockResource.cs
- TemplateKeyConverter.cs
- GetPolicyDetailsRequest.cs
- RemotingServices.cs
- Scalars.cs
- WorkflowQueuingService.cs
- TextRangeEditTables.cs
- RuntimeConfig.cs
- SecurityKeyEntropyMode.cs
- DeviceSpecific.cs
- Tool.cs
- OrderedDictionaryStateHelper.cs
- ConfigurationErrorsException.cs
- XmlReaderSettings.cs
- SimpleFieldTemplateUserControl.cs
- DispatcherHooks.cs
- SessionSwitchEventArgs.cs
- TextBox.cs
- DateTimeAutomationPeer.cs
- TextServicesCompartmentEventSink.cs
- SettingsSavedEventArgs.cs
- RoleGroup.cs
- AssociationSet.cs
- XmlILModule.cs
- SmiRequestExecutor.cs
- CopyAttributesAction.cs
- Italic.cs
- AssertUtility.cs
- XmlComment.cs
- ResXFileRef.cs
- XmlAttributeProperties.cs
- EdmComplexPropertyAttribute.cs
- LoginView.cs
- BmpBitmapEncoder.cs
- recordstate.cs
- NamespaceQuery.cs
- AssemblySettingAttributes.cs
- SqlTriggerContext.cs
- SqlClientWrapperSmiStream.cs
- XPathCompiler.cs
- Number.cs
- DataGridTable.cs
- OptimalBreakSession.cs
- HttpFileCollection.cs
- CodeBinaryOperatorExpression.cs
- ToolboxItemFilterAttribute.cs
- SecurityAlgorithmSuite.cs
- BindingNavigator.cs
- TdsRecordBufferSetter.cs
- CompilerInfo.cs
- BamlBinaryWriter.cs
- UnsafeNetInfoNativeMethods.cs
- ConfigurationSection.cs
- TableLayoutSettings.cs
- PerfProviderCollection.cs
- SqlDataSourceCache.cs
- EpmCustomContentDeSerializer.cs