Properly handle cb errors

src/data/action_logger.rs

@@ -32,6 +32,12 @@ pub enum Action<'a> {
         provider_id: &'a ProviderID,
         state: &'a str,
     },
+    ProviderError {
+        message: &'a str,
+    },
+    ProviderCBInvalidState {
+        state: &'a str,
+    },
     Signout,
     UserNeed2FAOnLogin(&'a User),
     UserSuccessfullyAuthenticated(&'a User),
@@ -98,6 +104,10 @@ impl<'a> Action<'a> {
             Action::StartLoginAttemptWithOpenIDProvider { provider_id, state } => format!(
                 "started new authentication attempt through an OpenID provider (prov={} / state={state})", provider_id.0
             ),
+            Action::ProviderError { message } =>
+                format!("failed provider authentication with message '{message}'"),
+            Action::ProviderCBInvalidState { state } =>
+                format!("provided invalid callback state after provider authentication: '{state}'"),
             Action::Signout => "signed out".to_string(),
             Action::UserNeed2FAOnLogin(user) => {
                 format!(