Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / Security / IMembershipProvider.cs / 1 / IMembershipProvider.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Security { using System.Web; using System.Security.Principal; using System.Collections.Specialized; using System.Web.Configuration; using System.Security.Permissions; using System.Globalization; using System.Security.Cryptography; using System.Runtime.Serialization; using System.Configuration.Provider; using System.Text; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public abstract class MembershipProvider : ProviderBase { private const int SALT_SIZE_IN_BYTES = 16; // // Property Section // // Public properties public abstract bool EnablePasswordRetrieval { get; } public abstract bool EnablePasswordReset { get; } public abstract bool RequiresQuestionAndAnswer { get; } public abstract string ApplicationName { get; set; } public abstract int MaxInvalidPasswordAttempts { get; } public abstract int PasswordAttemptWindow { get; } public abstract bool RequiresUniqueEmail { get; } public abstract MembershipPasswordFormat PasswordFormat { get; } public abstract int MinRequiredPasswordLength { get; } public abstract int MinRequiredNonAlphanumericCharacters { get; } public abstract string PasswordStrengthRegularExpression { get; } // // Method Section // public abstract MembershipUser CreateUser( string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status ); public abstract bool ChangePasswordQuestionAndAnswer(string username, string password, string newPasswordQuestion, string newPasswordAnswer); public abstract string GetPassword(string username, string answer); public abstract bool ChangePassword(string username, string oldPassword, string newPassword); public abstract string ResetPassword(string username, string answer); public abstract void UpdateUser(MembershipUser user); public abstract bool ValidateUser(string username, string password); public abstract bool UnlockUser( string userName ); public abstract MembershipUser GetUser( object providerUserKey, bool userIsOnline ); public abstract MembershipUser GetUser(string username, bool userIsOnline); // GetUser() can throw 1 type of exception: // 1. ArgumentException is thrown if: // A. Username is null, is empty, contains commas, or is longer than 256 characters internal MembershipUser GetUser(string username, bool userIsOnline, bool throwOnError) { MembershipUser user = null; try { user = GetUser(username, userIsOnline); } catch (ArgumentException) { if (throwOnError) throw; } return user; } public abstract string GetUserNameByEmail(string email); public abstract bool DeleteUser(string username, bool deleteAllRelatedData); public abstract MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords); public abstract int GetNumberOfUsersOnline(); public abstract MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords); public abstract MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords); protected virtual byte[] EncryptPassword( byte[] password ) { if (MachineKeySection.IsDecryptionKeyAutogenerated) throw new ProviderException(SR.GetString(SR.Can_not_use_encrypted_passwords_with_autogen_keys)); // DevDiv Bugs 137864: Use IVType.None for compatibility with stored passwords even after SP20 compat mode enabled. // This is the ONLY case IVType.None should be used. return MachineKeySection.EncryptOrDecryptData(true, password, null, 0, password.Length, IVType.None); } protected virtual byte[] DecryptPassword( byte[] encodedPassword ) { if (MachineKeySection.IsDecryptionKeyAutogenerated) throw new ProviderException(SR.GetString(SR.Can_not_use_encrypted_passwords_with_autogen_keys)); // DevDiv Bugs 137864: Use IVType.None for compatibility with stored passwords even after SP20 compat mode enabled. // This is the ONLY case IVType.None should be used. return MachineKeySection.EncryptOrDecryptData(false, encodedPassword, null, 0, encodedPassword.Length, IVType.None); } internal string EncodePassword(string pass, int passwordFormat, string salt) { if (passwordFormat == 0) // MembershipPasswordFormat.Clear return pass; byte[] bIn = Encoding.Unicode.GetBytes(pass); byte[] bSalt = Convert.FromBase64String(salt); byte[] bAll = new byte[bSalt.Length + bIn.Length]; byte[] bRet = null; Buffer.BlockCopy(bSalt, 0, bAll, 0, bSalt.Length); Buffer.BlockCopy(bIn, 0, bAll, bSalt.Length, bIn.Length); if (passwordFormat == 1) { // MembershipPasswordFormat.Hashed #if !FEATURE_PAL // FEATURE_PAL does not enable cryptography HashAlgorithm s = HashAlgorithm.Create( Membership.HashAlgorithmType ); // If the hash algorithm is null (and came from config), throw a config exception if (s == null) { if ( Membership.IsHashAlgorithmFromMembershipConfig ) { MembershipSection settings = RuntimeConfig.GetAppConfig().Membership; settings.ThrowHashAlgorithmException(); } } bRet = s.ComputeHash(bAll); #endif // !FEATURE_PAL } else { bRet = EncryptPassword( bAll ); } return Convert.ToBase64String(bRet); } internal string UnEncodePassword(string pass, int passwordFormat) { switch (passwordFormat) { case 0: // MembershipPasswordFormat.Clear: return pass; case 1: // MembershipPasswordFormat.Hashed: throw new ProviderException(SR.GetString(SR.Provider_can_not_decode_hashed_password)); default: byte[] bIn = Convert.FromBase64String(pass); byte[] bRet = DecryptPassword( bIn ); if (bRet == null) return null; return Encoding.Unicode.GetString(bRet, SALT_SIZE_IN_BYTES, bRet.Length - SALT_SIZE_IN_BYTES); } } internal string GenerateSalt() { byte[] buf = new byte[SALT_SIZE_IN_BYTES]; (new RNGCryptoServiceProvider()).GetBytes(buf); return Convert.ToBase64String(buf); } // // Event Section // public event MembershipValidatePasswordEventHandler ValidatingPassword { add { _EventHandler += value; } remove { _EventHandler -= value; } } protected virtual void OnValidatingPassword( ValidatePasswordEventArgs e ) { if( _EventHandler != null ) { _EventHandler( this, e ); } } private MembershipValidatePasswordEventHandler _EventHandler; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //[To be supplied.] ///// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.Security { using System.Web; using System.Security.Principal; using System.Collections.Specialized; using System.Web.Configuration; using System.Security.Permissions; using System.Globalization; using System.Security.Cryptography; using System.Runtime.Serialization; using System.Configuration.Provider; using System.Text; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public abstract class MembershipProvider : ProviderBase { private const int SALT_SIZE_IN_BYTES = 16; // // Property Section // // Public properties public abstract bool EnablePasswordRetrieval { get; } public abstract bool EnablePasswordReset { get; } public abstract bool RequiresQuestionAndAnswer { get; } public abstract string ApplicationName { get; set; } public abstract int MaxInvalidPasswordAttempts { get; } public abstract int PasswordAttemptWindow { get; } public abstract bool RequiresUniqueEmail { get; } public abstract MembershipPasswordFormat PasswordFormat { get; } public abstract int MinRequiredPasswordLength { get; } public abstract int MinRequiredNonAlphanumericCharacters { get; } public abstract string PasswordStrengthRegularExpression { get; } // // Method Section // public abstract MembershipUser CreateUser( string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status ); public abstract bool ChangePasswordQuestionAndAnswer(string username, string password, string newPasswordQuestion, string newPasswordAnswer); public abstract string GetPassword(string username, string answer); public abstract bool ChangePassword(string username, string oldPassword, string newPassword); public abstract string ResetPassword(string username, string answer); public abstract void UpdateUser(MembershipUser user); public abstract bool ValidateUser(string username, string password); public abstract bool UnlockUser( string userName ); public abstract MembershipUser GetUser( object providerUserKey, bool userIsOnline ); public abstract MembershipUser GetUser(string username, bool userIsOnline); // GetUser() can throw 1 type of exception: // 1. ArgumentException is thrown if: // A. Username is null, is empty, contains commas, or is longer than 256 characters internal MembershipUser GetUser(string username, bool userIsOnline, bool throwOnError) { MembershipUser user = null; try { user = GetUser(username, userIsOnline); } catch (ArgumentException) { if (throwOnError) throw; } return user; } public abstract string GetUserNameByEmail(string email); public abstract bool DeleteUser(string username, bool deleteAllRelatedData); public abstract MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords); public abstract int GetNumberOfUsersOnline(); public abstract MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords); public abstract MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords); protected virtual byte[] EncryptPassword( byte[] password ) { if (MachineKeySection.IsDecryptionKeyAutogenerated) throw new ProviderException(SR.GetString(SR.Can_not_use_encrypted_passwords_with_autogen_keys)); // DevDiv Bugs 137864: Use IVType.None for compatibility with stored passwords even after SP20 compat mode enabled. // This is the ONLY case IVType.None should be used. return MachineKeySection.EncryptOrDecryptData(true, password, null, 0, password.Length, IVType.None); } protected virtual byte[] DecryptPassword( byte[] encodedPassword ) { if (MachineKeySection.IsDecryptionKeyAutogenerated) throw new ProviderException(SR.GetString(SR.Can_not_use_encrypted_passwords_with_autogen_keys)); // DevDiv Bugs 137864: Use IVType.None for compatibility with stored passwords even after SP20 compat mode enabled. // This is the ONLY case IVType.None should be used. return MachineKeySection.EncryptOrDecryptData(false, encodedPassword, null, 0, encodedPassword.Length, IVType.None); } internal string EncodePassword(string pass, int passwordFormat, string salt) { if (passwordFormat == 0) // MembershipPasswordFormat.Clear return pass; byte[] bIn = Encoding.Unicode.GetBytes(pass); byte[] bSalt = Convert.FromBase64String(salt); byte[] bAll = new byte[bSalt.Length + bIn.Length]; byte[] bRet = null; Buffer.BlockCopy(bSalt, 0, bAll, 0, bSalt.Length); Buffer.BlockCopy(bIn, 0, bAll, bSalt.Length, bIn.Length); if (passwordFormat == 1) { // MembershipPasswordFormat.Hashed #if !FEATURE_PAL // FEATURE_PAL does not enable cryptography HashAlgorithm s = HashAlgorithm.Create( Membership.HashAlgorithmType ); // If the hash algorithm is null (and came from config), throw a config exception if (s == null) { if ( Membership.IsHashAlgorithmFromMembershipConfig ) { MembershipSection settings = RuntimeConfig.GetAppConfig().Membership; settings.ThrowHashAlgorithmException(); } } bRet = s.ComputeHash(bAll); #endif // !FEATURE_PAL } else { bRet = EncryptPassword( bAll ); } return Convert.ToBase64String(bRet); } internal string UnEncodePassword(string pass, int passwordFormat) { switch (passwordFormat) { case 0: // MembershipPasswordFormat.Clear: return pass; case 1: // MembershipPasswordFormat.Hashed: throw new ProviderException(SR.GetString(SR.Provider_can_not_decode_hashed_password)); default: byte[] bIn = Convert.FromBase64String(pass); byte[] bRet = DecryptPassword( bIn ); if (bRet == null) return null; return Encoding.Unicode.GetString(bRet, SALT_SIZE_IN_BYTES, bRet.Length - SALT_SIZE_IN_BYTES); } } internal string GenerateSalt() { byte[] buf = new byte[SALT_SIZE_IN_BYTES]; (new RNGCryptoServiceProvider()).GetBytes(buf); return Convert.ToBase64String(buf); } // // Event Section // public event MembershipValidatePasswordEventHandler ValidatingPassword { add { _EventHandler += value; } remove { _EventHandler -= value; } } protected virtual void OnValidatingPassword( ValidatePasswordEventArgs e ) { if( _EventHandler != null ) { _EventHandler( this, e ); } } private MembershipValidatePasswordEventHandler _EventHandler; } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.[To be supplied.] ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- AssemblyAttributesGoHere.cs
- DataSourceSelectArguments.cs
- RandomNumberGenerator.cs
- HtmlImage.cs
- ObjectRef.cs
- AdPostCacheSubstitution.cs
- InvalidPropValue.cs
- SqlBulkCopyColumnMappingCollection.cs
- ButtonBaseAutomationPeer.cs
- VectorAnimationUsingKeyFrames.cs
- NotifyParentPropertyAttribute.cs
- ProgressBarBrushConverter.cs
- VersionPair.cs
- Registry.cs
- ComboBoxRenderer.cs
- ColumnMap.cs
- FixedSOMPageElement.cs
- XPathPatternParser.cs
- DetailsViewPagerRow.cs
- NetSectionGroup.cs
- MimeFormatExtensions.cs
- _SslSessionsCache.cs
- DoubleAnimation.cs
- AccessibleObject.cs
- ConfigurationErrorsException.cs
- TextFormatterHost.cs
- IdentifierService.cs
- XamlTreeBuilder.cs
- StrokeCollectionConverter.cs
- PermissionRequestEvidence.cs
- StateRuntime.cs
- dsa.cs
- IsolatedStoragePermission.cs
- DrawToolTipEventArgs.cs
- ZoneMembershipCondition.cs
- XmlSchemaSimpleTypeRestriction.cs
- PrivateFontCollection.cs
- TextCharacters.cs
- EDesignUtil.cs
- CryptoProvider.cs
- UnmanagedMarshal.cs
- BCLDebug.cs
- XsltLoader.cs
- MarkupProperty.cs
- ProcessInfo.cs
- CategoryAttribute.cs
- PageThemeParser.cs
- SecurityContext.cs
- ViewSimplifier.cs
- ObjectParameter.cs
- Token.cs
- ModelVisual3D.cs
- Rect3D.cs
- glyphs.cs
- ParagraphVisual.cs
- AdjustableArrowCap.cs
- ClientTargetSection.cs
- CounterSample.cs
- InternalBufferManager.cs
- DrawingGroup.cs
- PermissionSet.cs
- AcceleratedTokenAuthenticator.cs
- RepeatButtonAutomationPeer.cs
- SqlUtils.cs
- WebBrowserEvent.cs
- Operator.cs
- CalendarTable.cs
- recordstatescratchpad.cs
- PackageDigitalSignature.cs
- InputScopeConverter.cs
- SuppressIldasmAttribute.cs
- EntityConnectionStringBuilderItem.cs
- SqlBuilder.cs
- OleDbCommandBuilder.cs
- brushes.cs
- Zone.cs
- CounterNameConverter.cs
- SqlDataSourceView.cs
- ProcessModelSection.cs
- XmlAnyElementAttributes.cs
- PenThreadPool.cs
- SimpleHandlerBuildProvider.cs
- RoutedEventConverter.cs
- MethodBuilderInstantiation.cs
- DesignerActionPropertyItem.cs
- ConnectionStringsExpressionBuilder.cs
- RawStylusInputReport.cs
- BuildDependencySet.cs
- CodeDirectiveCollection.cs
- GradientBrush.cs
- UnsafeNetInfoNativeMethods.cs
- XmlAnyElementAttribute.cs
- WebPartConnectionsConnectVerb.cs
- DefaultTextStore.cs
- Canvas.cs
- Vector3DCollectionValueSerializer.cs
- Tracer.cs
- ZipIOLocalFileBlock.cs
- QilName.cs
- Style.cs