Add user claim creator (#6852)

* Add user claim creator

* move IUserPasswordValidator to serenity

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

@@ -0,0 +1,58 @@
+using System.Security.Principal;
+
+namespace Serenity.Services;
+
+/// <summary>
+/// Default implementation for IUserClaimCreator
+/// </summary>
+public class DefaultUserClaimCreator : IUserClaimCreator
+{
+    private readonly IUserRetrieveService userRetrieveService;
+
+    /// <summary>
+    /// Creates an instance of the class
+    /// </summary>
+    /// <param name="userRetrieveService"></param>
+    /// <exception cref="ArgumentNullException"></exception>
+    public DefaultUserClaimCreator(IUserRetrieveService userRetrieveService)
+    {
+        this.userRetrieveService = userRetrieveService ?? throw new ArgumentNullException(nameof(userRetrieveService));
+    }
+
+    /// <summary>
+    /// Add User Claims To Identity
+    /// </summary>
+    /// <param name="identity"></param>
+    /// <param name="userDefinition"></param>
+    protected virtual void AddClaims(ClaimsIdentity identity, IUserDefinition userDefinition)
+    {
+        identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, userDefinition.Id));
+    }
+
+    /// <summary>
+    /// Create user Principal
+    /// </summary>
+    /// <param name="username"></param>
+    /// <param name="authType"></param>
+    /// <returns></returns>
+    /// <exception cref="ArgumentNullException"></exception>
+    /// <exception cref="ArgumentOutOfRangeException"></exception>
+    public virtual ClaimsPrincipal CreatePrincipal(string username, string authType)
+    {
+        if (username is null)
+            throw new ArgumentNullException(nameof(username));
+
+        var user = userRetrieveService.ByUsername(username);
+        if (user == null)
+            throw new ArgumentOutOfRangeException(nameof(username));
+
+        if (authType == null)
+            throw new ArgumentNullException(nameof(authType));
+
+        var identity = new GenericIdentity(username, authType);
+        AddClaims(identity, user);
+
+        return new ClaimsPrincipal(identity);
+
+    }
+}

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

@@ -0,0 +1,15 @@
+namespace Serenity.Abstractions;
+
+/// <summary>
+/// Interface for getting user ClaimsPrincipal
+/// </summary>
+public interface IUserClaimCreator
+{
+    /// <summary>
+    /// Gets the ClaimsPrincipal for user with given username
+    /// </summary>
+    /// <param name="username"></param>
+    /// <param name="authType"></param>
+    /// <returns></returns>
+    ClaimsPrincipal CreatePrincipal(string username, string authType);
+}

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
+}