1 files changed, 50 insertions, 0 deletions
diff --git a/Jellyfin.Server.Implementations/Users/InvalidAuthProvider.cs b/Jellyfin.Server.Implementations/Users/InvalidAuthProvider.cs
new file mode 100644
index 000000000..491aba1d4
--- /dev/null
+++ b/Jellyfin.Server.Implementations/Users/InvalidAuthProvider.cs
@@ -0,0 +1,50 @@
+#nullable enable
+
+using System.Threading.Tasks;
+using Jellyfin.Data.Entities;
+using MediaBrowser.Controller.Authentication;
+
+namespace Jellyfin.Server.Implementations.Users
+{
+    /// <summary>
+    /// An invalid authentication provider.
+    /// </summary>
+    public class InvalidAuthProvider : IAuthenticationProvider
+    {
+        /// <inheritdoc />
+        public string Name => "InvalidOrMissingAuthenticationProvider";
+
+        /// <inheritdoc />
+        public bool IsEnabled => true;
+
+        /// <inheritdoc />
+        public Task<ProviderAuthenticationResult> Authenticate(string username, string password)
+        {
+            throw new AuthenticationException("User Account cannot login with this provider. The Normal provider for this user cannot be found");
+        }
+
+        /// <inheritdoc />
+        public bool HasPassword(User user)
+        {
+            return true;
+        }
+
+        /// <inheritdoc />
+        public Task ChangePassword(User user, string newPassword)
+        {
+            return Task.CompletedTask;
+        }
+
+        /// <inheritdoc />
+        public void ChangeEasyPassword(User user, string newPassword, string newPasswordHash)
+        {
+            // Nothing here
+        }
+
+        /// <inheritdoc />
+        public string GetEasyPasswordHash(User user)
+        {
+            return string.Empty;
+        }
+    }
+}