INNER CODE UNIT · Python

_parse_host_authority

ohdearquant/lionagi · lionagi/studio/app.py:250

def _parse_host_authority(raw_host: str) -> str | None:
    """Strictly parse a raw Host header value: normalized host (lowercased,
    brackets stripped for IPv6), or None if it doesn't match the grammar."""
    raw_host = (raw_host or "").strip()
    if not raw_host:
        return None
    match = (
        _IPV6_AUTHORITY_RE.match(raw_host)
        if raw_host.startswith("[")
        else _HOST_AUTHORITY_RE.match(raw_host)
    )
    if not match:
        return None
    host = match.group("host")
    return host.lower() if host else None


async def validate_host_header(request: Request, call_next):

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