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//
// System.Web.Security.MembershipProvider
//
// Authors:
// Ben Maurer (bmaurer@users.sourceforge.net)
// Lluis Sanchez Gual (lluis@novell.com)
//
// (C) 2003 Ben Maurer
// Copyright (C) 2005-2010 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.ComponentModel;
using System.Configuration.Provider;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Text;
using System.Web.Configuration;
namespace System.Web.Security
{
#if NET_4_0
[TypeForwardedFrom ("System.Web, Version=2.0.0.0, Culture=Neutral, PublicKeyToken=b03f5f7f11d50a3a")]
#endif
public abstract class MembershipProvider : ProviderBase
{
#if NET_4_0
const string HELPER_TYPE_NAME = "System.Web.Security.MembershipHelper, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a";
internal static IMembershipHelper Helper {
get { return helper; }
}
static IMembershipHelper helper;
#else
static MembershipHelper helper;
#endif
static readonly object validatingPasswordEvent = new object ();
EventHandlerList events = new EventHandlerList ();
public event MembershipValidatePasswordEventHandler ValidatingPassword {
add { events.AddHandler (validatingPasswordEvent, value); }
remove { events.RemoveHandler (validatingPasswordEvent, value); }
}
static MembershipProvider ()
{
#if NET_4_0
Type type = Type.GetType (HELPER_TYPE_NAME, false);
if (type == null)
return;
try {
helper = Activator.CreateInstance (type) as IMembershipHelper;
} catch {
// ignore
}
#else
helper = new MembershipHelper ();
#endif
}
protected MembershipProvider ()
{
}
public abstract bool ChangePassword (string name, string oldPwd, string newPwd);
public abstract bool ChangePasswordQuestionAndAnswer (string name, string password, string newPwdQuestion, string newPwdAnswer);
public abstract MembershipUser CreateUser (string username, string password, string email, string pwdQuestion, string pwdAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status);
public abstract bool DeleteUser (string name, bool deleteAllRelatedData);
public abstract MembershipUserCollection FindUsersByEmail (string emailToMatch, int pageIndex, int pageSize, out int totalRecords);
public abstract MembershipUserCollection FindUsersByName (string nameToMatch, int pageIndex, int pageSize, out int totalRecords);
public abstract MembershipUserCollection GetAllUsers (int pageIndex, int pageSize, out int totalRecords);
public abstract int GetNumberOfUsersOnline ();
public abstract string GetPassword (string name, string answer);
public abstract MembershipUser GetUser (string name, bool userIsOnline);
public abstract MembershipUser GetUser (object providerUserKey, bool userIsOnline);
public abstract string GetUserNameByEmail (string email);
public abstract string ResetPassword (string name, string answer);
public abstract void UpdateUser (MembershipUser user);
public abstract bool ValidateUser (string name, string password);
public abstract bool UnlockUser (string userName);
public abstract string ApplicationName { get; set; }
public abstract bool EnablePasswordReset { get; }
public abstract bool EnablePasswordRetrieval { get; }
public abstract bool RequiresQuestionAndAnswer { get; }
public abstract int MaxInvalidPasswordAttempts { get; }
public abstract int MinRequiredNonAlphanumericCharacters { get; }
public abstract int MinRequiredPasswordLength { get; }
public abstract int PasswordAttemptWindow { get; }
public abstract MembershipPasswordFormat PasswordFormat { get; }
public abstract string PasswordStrengthRegularExpression { get; }
public abstract bool RequiresUniqueEmail { get; }
protected virtual void OnValidatingPassword (ValidatePasswordEventArgs args)
{
MembershipValidatePasswordEventHandler eh = events [validatingPasswordEvent] as MembershipValidatePasswordEventHandler;
if (eh != null)
eh (this, args);
}
protected virtual byte [] DecryptPassword (byte [] encodedPassword)
{
#if NET_4_0
if (helper == null)
throw new PlatformNotSupportedException ("This method is not available.");
#endif
return helper.DecryptPassword (encodedPassword);
}
protected virtual byte[] EncryptPassword (byte[] password)
{
#if NET_4_0
return EncryptPassword (password, MembershipPasswordCompatibilityMode.Framework20);
#else
return helper.EncryptPassword (password);
#endif
}
#if NET_4_0
[MonoTODO ("Discover what actually is 4.0 password compatibility mode.")]
protected virtual byte[] EncryptPassword (byte[] password, MembershipPasswordCompatibilityMode legacyPasswordCompatibilityMode)
{
if (helper == null)
throw new PlatformNotSupportedException ("This method is not available.");
if (legacyPasswordCompatibilityMode == MembershipPasswordCompatibilityMode.Framework40)
throw new PlatformNotSupportedException ("Framework 4.0 password encryption mode is not supported at this time.");
return helper.EncryptPassword (password);
}
#endif
}
}
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