mirror of
https://github.com/bookwyrm-social/bookwyrm.git
synced 2024-05-15 23:13:18 +00:00
153 lines
4.3 KiB
Python
153 lines
4.3 KiB
Python
""" Lets try NOT to sell viagra """
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from functools import reduce
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import operator
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from django.apps import apps
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from django.core.exceptions import PermissionDenied
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from django.db import models, transaction
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from django.db.models import Q
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from django.utils.translation import gettext_lazy as _
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from bookwyrm.tasks import app, LOW
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from .base_model import BookWyrmModel
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from .user import User
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class AdminModel(BookWyrmModel):
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"""Overrides the permissions methods"""
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class Meta:
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"""this is just here to provide default fields for other models"""
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abstract = True
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def raise_not_editable(self, viewer):
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if viewer.has_perm("bookwyrm.moderate_user"):
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return
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raise PermissionDenied()
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class EmailBlocklist(AdminModel):
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"""blocked email addresses"""
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domain = models.CharField(max_length=255, unique=True)
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is_active = models.BooleanField(default=True)
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class Meta:
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"""default sorting"""
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ordering = ("-created_date",)
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@property
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def users(self):
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"""find the users associated with this address"""
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return User.objects.filter(email__endswith=f"@{self.domain}")
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class IPBlocklist(AdminModel):
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"""blocked ip addresses"""
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address = models.CharField(max_length=255, unique=True)
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is_active = models.BooleanField(default=True)
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class Meta:
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"""default sorting"""
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ordering = ("-created_date",)
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class AutoMod(AdminModel):
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"""rules to automatically flag suspicious activity"""
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string_match = models.CharField(max_length=200, unique=True)
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flag_users = models.BooleanField(default=True)
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flag_statuses = models.BooleanField(default=True)
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created_by = models.ForeignKey("User", on_delete=models.PROTECT)
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@app.task(queue=LOW)
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def automod_task():
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"""Create reports"""
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if not AutoMod.objects.exists():
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return
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reporter = AutoMod.objects.first().created_by
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reports = automod_users(reporter) + automod_statuses(reporter)
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if not reports:
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return
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admins = User.admins()
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notification_model = apps.get_model("bookwyrm", "Notification", require_ready=True)
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with transaction.atomic():
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for admin in admins:
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notification, _ = notification_model.objects.get_or_create(
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user=admin, notification_type=notification_model.REPORT, read=False
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)
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notification.related_reports.set(reports)
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def automod_users(reporter):
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"""check users for moderation flags"""
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user_rules = AutoMod.objects.filter(flag_users=True).values_list(
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"string_match", flat=True
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)
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if not user_rules:
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return []
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filters = []
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for field in ["username", "summary", "name"]:
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filters += [{f"{field}__icontains": r} for r in user_rules]
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users = User.objects.filter(
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reduce(operator.or_, (Q(**f) for f in filters)),
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is_active=True,
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local=True,
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report__isnull=True, # don't flag users that already have reports
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).distinct()
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report_model = apps.get_model("bookwyrm", "Report", require_ready=True)
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return report_model.objects.bulk_create(
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[
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report_model(
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reporter=reporter,
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note=_("Automatically generated report"),
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user=u,
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)
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for u in users
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]
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)
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def automod_statuses(reporter):
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"""check statues for moderation flags"""
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status_rules = AutoMod.objects.filter(flag_statuses=True).values_list(
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"string_match", flat=True
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)
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if not status_rules:
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return []
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filters = []
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for field in ["content", "content_warning", "quotation__quote", "review__name"]:
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filters += [{f"{field}__icontains": r} for r in status_rules]
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status_model = apps.get_model("bookwyrm", "Status", require_ready=True)
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statuses = status_model.objects.filter(
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reduce(operator.or_, (Q(**f) for f in filters)),
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deleted=False,
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local=True,
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report__isnull=True, # don't flag statuses that already have reports
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).distinct()
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report_model = apps.get_model("bookwyrm", "Report", require_ready=True)
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return report_model.objects.bulk_create(
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[
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report_model(
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reporter=reporter,
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note=_("Automatically generated report"),
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user=s.user,
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status=s,
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)
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for s in statuses
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]
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)
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