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Sli
181e74b1d1
* update_spam_database command to update suspicious domains from an external provider * Add a AntiSpamEmailField that deny emails from suspicious domains * Update documentation
70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
import requests
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from django.conf import settings
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from django.core.management import BaseCommand
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from django.db.models import Max
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from django.utils import timezone
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from antispam.models import ToxicDomain
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class Command(BaseCommand):
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"""Update blocked ips/mails database"""
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help = "Update blocked ips/mails database"
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def add_arguments(self, parser):
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parser.add_argument(
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"--force", action="store_true", help="Force re-creation even if up to date"
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)
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def _should_update(self, *, force: bool = False) -> bool:
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if force:
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return True
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oldest = ToxicDomain.objects.filter(is_externally_managed=True).aggregate(
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res=Max("created")
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)["res"]
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return not (oldest and timezone.now() < (oldest + timezone.timedelta(days=1)))
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def _download_domains(self, providers: list[str]) -> set[str]:
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domains = set()
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for provider in providers:
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res = requests.get(provider)
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if not res.ok:
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self.stderr.write(
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f"Source {provider} responded with code {res.status_code}"
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)
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continue
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domains |= set(res.content.decode().splitlines())
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return domains
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def _update_domains(self, domains: set[str]):
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# Cleanup database
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ToxicDomain.objects.filter(is_externally_managed=True).delete()
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# Create database
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ToxicDomain.objects.bulk_create(
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[
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ToxicDomain(domain=domain, is_externally_managed=True)
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for domain in domains
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],
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ignore_conflicts=True,
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)
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self.stdout.write("Domain database updated")
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def handle(self, *args, **options):
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if not self._should_update(force=options["force"]):
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self.stdout.write("Domain database is up to date")
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return
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self.stdout.write("Updating domain database")
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domains = self._download_domains(settings.TOXIC_DOMAINS_PROVIDERS)
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if not domains:
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self.stderr.write(
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"No domains could be fetched from settings.TOXIC_DOMAINS_PROVIDERS. "
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"Please, have a look at your settings."
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)
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return
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self._update_domains(domains)
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