move IUserPasswordValidator to serenity

src/Serenity.Net.Core/Authorization/DefaultUserClaimCreator.cs

@@ -1,6 +1,6 @@
 using System.Security.Principal;
 
-namespace Serenity.Abstractions;
+namespace Serenity.Services;
 
 /// <summary>
 /// Default implementation for IUserClaimCreator

src/Serenity.Net.Core/Authorization/IUserPasswordValidator.cs

@@ -0,0 +1,15 @@
+namespace Serenity.Abstractions;
+
+/// <summary>
+/// Abstraction to validate a user password
+/// </summary>
+public interface IUserPasswordValidator
+{
+    /// <summary>
+    /// Validates a user password
+    /// </summary>
+    /// <param name="username"></param>
+    /// <param name="password"></param>
+    /// <returns><see cref="PasswordValidationResult.Valid"/> if given username and password is true</returns>
+    PasswordValidationResult Validate(ref string username, string password);
+}

src/Serenity.Net.Core/Authorization/PasswordValidationResult.cs

@@ -0,0 +1,40 @@
+namespace Serenity.ComponentModel;
+
+/// <summary>
+/// Password validation result
+/// </summary>
+public enum PasswordValidationResult
+{
+    /// <summary>
+    /// Username is empty
+    /// </summary>
+    EmptyUsername,
+    /// <summary>
+    /// Password is empty
+    /// </summary>
+    EmptyPassword,
+    /// <summary>
+    /// User is not active
+    /// </summary>
+    InactiveUser,
+    /// <summary>
+    /// User source is not found
+    /// </summary>
+    UnknownSource,
+    /// <summary>
+    /// To many retries
+    /// </summary>
+    Throttle,
+    /// <summary>
+    /// Directory error
+    /// </summary>
+    DirectoryError,
+    /// <summary>
+    /// Invalid
+    /// </summary>
+    Invalid,
+    /// <summary>
+    /// Valid
+    /// </summary>
+    Valid
+}