Function unpack

mitmproxy/net/dns/https_records.py:94–113

Unpacks HTTPS RDATA from byte data. Raises: struct.error if the record is malformed.

(data: bytes)

def unpack(data: bytes) -> HTTPSRecord:
    """
    Unpacks HTTPS RDATA from byte data.

    Raises:
        struct.error if the record is malformed.
    """
    offset = 0

    # Priority (2 bytes)
    priority = struct.unpack("!h", data[offset : offset + 2])[0]
    offset += 2

    # TargetName (variable length)
    target_name, offset = domain_names.unpack_from(data, offset)

    # Service Parameters (remaining bytes)
    params = _unpack_params(data, offset)

    return HTTPSRecord(priority=priority, target_name=target_name, params=params)


def _pack_params(params: dict[int, bytes]) -> bytes: