microblog.pub/utils/blacklist.py

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2019-08-05 20:40:24 +00:00
import logging
from typing import Any
from typing import Dict
from urllib.parse import urlparse
import config
logger = logging.getLogger(__name__)
def is_url_blacklisted(url: str) -> bool:
try:
return urlparse(url).netloc in config.BLACKLIST
except Exception:
logger.exception(f"failed to blacklist for {url}")
return False
def is_blacklisted(data: Dict[str, Any]) -> bool:
"""Returns True if the activity is coming/or referencing a blacklisted host."""
if (
"id" in data
and is_url_blacklisted(data["id"])
or (
"object" in data
and isinstance(data["object"], dict)
and "id" in data["object"]
and is_url_blacklisted(data["object"]["id"])
)
or (
"object" in data
and isinstance(data["object"], str)
and is_url_blacklisted(data["object"])
)
):
return True
return False