1 files changed, 22 insertions, 0 deletions
diff --git a/PrincipalProviders/LocalPrincipalProvider.cs b/PrincipalProviders/LocalPrincipalProvider.cs
index 5c27518..723ff81 100644
--- a/PrincipalProviders/LocalPrincipalProvider.cs
+++ b/PrincipalProviders/LocalPrincipalProvider.cs
@@ -66,6 +66,28 @@ public class LocalPrincipalProvider : PrincipalProvider {
         return groups.ToArray();
     }
 
+    public override SecurityIdentifier? TranslateName(string name) {
+        using var db = dbFactory.CreateDbContext();
+        try {
+            return db.Principals
+                .First(p => p.Name.ToLower() == name.ToLower().Trim())
+                .Sid;
+        } catch(InvalidOperationException) {
+            return null;
+        }
+    }
+
+    public override string? TranslateName(SecurityIdentifier sid) {
+        using var db = dbFactory.CreateDbContext();
+        try {
+            return db.Principals
+                .First(p => p.Sid == sid)
+                .Name;
+        } catch(InvalidOperationException) {
+            return null;
+        }
+    }
+
     public override bool ValidatePassword(IUser user, string password) =>
         ((LocalUser) user).PasswordHash == HashPassword(password);