Verification of top-level domains buggy

[TheOneWithTheBraid]

I encountered a funny bug : if your top-level domain is too long, your redirect URI is automatically rejected. In my case, business.braid.polycule: was considered as an invalid URI scheme - even though .business obviously is a top-level domain.

I'd highly suggest to remove that buggy check.

matrix-authentication-service/crates/handlers/src/oauth2/registration.rs

Line 179 in fef81b8

if host.len() <= suffix.as_bytes().len() + 1 {