modernuo/Projects/UOContent/Accounting/Security/AccountSecurity.cs
2023-08-09 09:09:26 -07:00

70 lines
3.1 KiB
C#

/*************************************************************************
* ModernUO *
* Copyright 2019-2023 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: AccountSecurity.cs *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
using System;
namespace Server.Accounting.Security
{
public enum PasswordProtectionAlgorithm
{
// Obsolete algorithms from RunUO. These are not secure!
// They are included for password upgrades only.
None,
MD5,
SHA1,
// Supported algorithms
SHA2, // ServUO compatibility
PBKDF2,
Argon2 // Recommended algorithm for real security.
}
public static class AccountSecurity
{
public static PasswordProtectionAlgorithm CurrentAlgorithm { get; set; }
public static IPasswordProtection CurrentPasswordProtection => GetPasswordProtection(CurrentAlgorithm);
public static void Configure()
{
CurrentAlgorithm =
ServerConfiguration.GetOrUpdateSetting(
"accountSecurity.encryptionAlgorithm",
PasswordProtectionAlgorithm.Argon2
);
if (CurrentAlgorithm < PasswordProtectionAlgorithm.SHA2)
{
throw new Exception($"Security: {CurrentAlgorithm} is obsolete and not secure. Do not use it.");
}
}
public static IPasswordProtection GetPasswordProtection(PasswordProtectionAlgorithm algorithm)
{
var passwordProtection = algorithm switch
{
PasswordProtectionAlgorithm.MD5 => HashAlgorithmPasswordProtection.MD5Instance,
PasswordProtectionAlgorithm.SHA1 => HashAlgorithmPasswordProtection.SHA1Instance,
PasswordProtectionAlgorithm.SHA2 => HashAlgorithmPasswordProtection.SHA2Instance,
PasswordProtectionAlgorithm.PBKDF2 => PBKDF2PasswordProtection.Instance,
PasswordProtectionAlgorithm.Argon2 => Argon2PasswordProtection.Instance,
PasswordProtectionAlgorithm.None => throw new Exception("Do not use PasswordProtectionAlgorithm.None"),
_ => throw new Exception("No algorithm")
};
return passwordProtection;
}
}
}