Function host_is_under

atomic-cli/src/commands/auth.rs:183–187

Whether `remote_host` is the server host itself or a subdomain of it, matching only on dot boundaries (so `notatomic.storage` does NOT match `atomic.storage`). Comparison is case-insensitive (DNS is).

(remote_host: &str, server_host: &str)

/// matching only on dot boundaries (so `notatomic.storage` does NOT match
/// `atomic.storage`). Comparison is case-insensitive (DNS is).
fn host_is_under(remote_host: &str, server_host: &str) -> bool {
    let remote = remote_host.to_ascii_lowercase();
    let server = server_host.to_ascii_lowercase();
    remote == server || remote.ends_with(&format!(".{server}"))
}

/// Load a local identity by name, falling back to a case-insensitive match.
///