Function parse_h2_request_headers

mitmproxy/proxy/layers/http/_http2.py:660–687

Split HTTP/2 pseudo-headers from the actual headers and parse them.

(
    h2_headers: Sequence[tuple[bytes, bytes]],
)

def parse_h2_request_headers(
    h2_headers: Sequence[tuple[bytes, bytes]],
) -> tuple[str, int, bytes, bytes, bytes, bytes, http.Headers]:
    """Split HTTP/2 pseudo-headers from the actual headers and parse them."""
    pseudo_headers, headers = split_pseudo_headers(h2_headers)

    try:
        method: bytes = pseudo_headers.pop(b":method")
        scheme: bytes = pseudo_headers.pop(
            b":scheme"
        )  # this raises for HTTP/2 CONNECT requests
        path: bytes = pseudo_headers.pop(b":path")
        authority: bytes = pseudo_headers.pop(b":authority", b"")
    except KeyError as e:
        raise ValueError(f"Required pseudo header is missing: {e}")

    if pseudo_headers:
        raise ValueError(f"Unknown pseudo headers: {pseudo_headers}")

    if authority:
        host, port = url.parse_authority(authority, check=True)
        if port is None:
            port = 80 if scheme == b"http" else 443
    else:
        host = ""
        port = 0

    return host, port, method, scheme, authority, path, headers


def parse_h2_response_headers(