util.py

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"""ONVIF util."""
 
from __future__ import annotations
 
from typing import Any
 
from zeep.exceptions import Fault
 
 
def extract_subcodes_as_strings(subcodes: Any) -> list[str]:
    """Stringify ONVIF subcodes."""
    if isinstance(subcodes, list):
        return [code.text if hasattr(code, "text") else str(code) for code in subcodes]
    return [str(subcodes)]
 
 
def stringify_onvif_error(error: Exception) -> str:
    """Stringify ONVIF error."""
    if isinstance(error, Fault):
        message = error.message
        if error.detail is not None:  # checking true is deprecated
            # Detail may be a bytes object, so we need to convert it to string
            if isinstance(error.detail, bytes):
                detail = error.detail.decode("utf-8", "replace")
            else:
                detail = str(error.detail)
            message += ": " + detail
        if error.code is not None:  # checking true is deprecated
            message += f" (code:{error.code})"
        if error.subcodes is not None:  # checking true is deprecated
            message += (
                f" (subcodes:{','.join(extract_subcodes_as_strings(error.subcodes))})"
            )
        if error.actor:
            message += f" (actor:{error.actor})"
    else:
        message = str(error)
    return message or f"Device sent empty error with type {type(error)}"
 
 
def is_auth_error(error: Exception) -> bool:
    """Return True if error is an authentication error.
 
    Most of the tested cameras do not return a proper error code when
    authentication fails, so we need to check the error message as well.
    """
    if not isinstance(error, Fault):
        return False
    return (
        any(
            "NotAuthorized" in code
            for code in extract_subcodes_as_strings(error.subcodes)
        )
        or "auth" in stringify_onvif_error(error).lower()
    )