Fix invited user registration without SMTP

src/api/identity.rs

@@ -744,6 +744,11 @@ async fn register_verification_email(
 
     let should_send_mail = CONFIG.mail_enabled() && CONFIG.signups_verify();
 
+    let token_claims =
+        crate::auth::generate_register_verify_claims(data.email.clone(), data.name.clone(), should_send_mail);
+    let token = crate::auth::encode_jwt(&token_claims);
+
+    if should_send_mail {
         if User::find_by_mail(&data.email, &mut conn).await.is_some() {
             if should_send_mail {
                 // There is still a timing side channel here in that the code
@@ -755,15 +760,9 @@ async fn register_verification_email(
                 let sleep_ms = (1_000 + rng.random_range(-delta..=delta)) as u64;
                 tokio::time::sleep(tokio::time::Duration::from_millis(sleep_ms)).await;
             }
-        return Ok(RegisterVerificationResponse::NoContent(()));
-    }
-
-    let token_claims =
-        crate::auth::generate_register_verify_claims(data.email.clone(), data.name.clone(), should_send_mail);
-    let token = crate::auth::encode_jwt(&token_claims);
-
-    if should_send_mail {
+        } else {
             mail::send_register_verify_email(&data.email, &token).await?;
+        }
 
         Ok(RegisterVerificationResponse::NoContent(()))
     } else {