Function peer_leaf_cert_der

nodedb-cluster/src/transport/server.rs:120–124

Extract the peer's leaf certificate DER bytes from a QUIC connection. Returns `None` if the peer did not present a certificate (insecure transport) or if the runtime-type downcast fails.

(conn: &quinn::Connection)

/// Returns `None` if the peer did not present a certificate (insecure
/// transport) or if the runtime-type downcast fails.
fn peer_leaf_cert_der(conn: &quinn::Connection) -> Option<Vec<u8>> {
    let identity = conn.peer_identity()?;
    let certs: &Vec<CertificateDer<'static>> = identity.downcast_ref()?;
    certs.first().map(|c| c.as_ref().to_vec())
}

/// Handle all bidi streams on a single connection.
///