Add script to force delete a user, in case of duplicates
Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>
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# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import getpass
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from time import sleep
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from django.conf import settings
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from django.contrib.auth.models import User
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from django.core.mail import mail_admins
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from django.core.management.base import BaseCommand
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from django.db import transaction
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from django.db.models import Q
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from django.test import override_settings
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from note.models import Alias, Transaction
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class Command(BaseCommand):
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"""
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This script is used to force delete a user.
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THIS IS ONLY ATTENDED TO BE USED TO DELETE FAKE ACCOUNTS THAT
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WERE VALIDATED BY ERRORS. Please use data anonymization if you
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want to block the account of a user.
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"""
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def add_arguments(self, parser):
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parser.add_argument('user', type=str, nargs='+', help="User id to delete.")
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parser.add_argument('--force', '-f', action='store_true',
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help="Force the script to have low verbosity.")
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parser.add_argument('--doit', '-d', action='store_true',
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help="Don't ask for a final confirmation and commit modification. "
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"This option should really be used carefully.")
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def handle(self, *args, **kwargs):
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force = kwargs['force']
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if not force:
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self.stdout.write(self.style.WARNING("This is a dangerous script. "
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"Please use --force to indicate that you known what you are doing. "
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"Nothing will be deleted yet."))
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sleep(5)
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# We need to know who to blame.
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qs = User.objects.filter(note__alias__normalized_name=Alias.normalize(getpass.getuser()))
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if not qs.exists():
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self.stderr.write(self.style.ERROR("I don't know who you are. Please add your linux id as an alias of "
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"your own account."))
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exit(2)
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executor = qs.get()
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deleted_users = []
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deleted = []
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# Don't send mails during the process
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with override_settings(EMAIL_BACKEND='django.core.mail.backends.dummy.EmailBackend'):
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for user_id in kwargs['user']:
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if user_id.isnumeric():
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qs = User.objects.filter(pk=int(user_id))
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if not qs.exists():
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self.stderr.write(self.style.WARNING(f"User {user_id} was not found. Ignoring..."))
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continue
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user = qs.get()
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else:
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qs = Alias.objects.filter(normalized_name=Alias.normalize(user_id), note__noteuser__isnull=False)
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if not qs.exists():
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self.stderr.write(self.style.WARNING(f"User {user_id} was not found. Ignoring..."))
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continue
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user = qs.get().note.user
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with transaction.atomic():
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local_deleted = []
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# Unlock note to enable modifications
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if force and not user.note.is_active:
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user.note.is_active = True
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user.note.save()
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# Deleting transactions
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transactions = Transaction.objects.filter(Q(source=user.note) | Q(destination=user.note)).all()
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local_deleted += list(transactions)
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if kwargs['verbosity'] >= 1:
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for tr in transactions:
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self.stdout.write(f"Removing {tr}...")
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if force:
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transactions.delete()
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# Deleting memberships
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memberships = user.memberships.all()
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local_deleted += list(memberships)
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if kwargs['verbosity'] >= 1:
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for membership in memberships:
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self.stdout.write(f"Removing {membership}...")
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if force:
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memberships.delete()
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# Deleting aliases
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alias_set = user.note.alias.all()
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local_deleted += list(alias_set)
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if kwargs['verbosity'] >= 1:
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for alias in alias_set:
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self.stdout.write(f"Removing alias {alias}...")
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if force:
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alias_set.delete()
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if 'activity' in settings.INSTALLED_APPS:
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from activity.models import Guest, Entry
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# Deleting activity entries
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entries = Entry.objects.filter(Q(note=user.note) | Q(guest__inviter=user.note)).all()
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local_deleted += list(entries)
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if kwargs['verbosity'] >= 1:
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for entry in entries:
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self.stdout.write(f"Removing {entry}...")
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if force:
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entries.delete()
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# Deleting invited guests
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guests = Guest.objects.filter(inviter=user.note).all()
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local_deleted += list(guests)
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if kwargs['verbosity'] >= 1:
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for guest in guests:
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self.stdout.write(f"Removing guest {guest}...")
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if force:
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guests.delete()
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if 'treasury' in settings.INSTALLED_APPS:
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from treasury.models import SogeCredit
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# Deleting soge credit
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credits = SogeCredit.objects.filter(user=user).all()
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local_deleted += list(credits)
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if kwargs['verbosity'] >= 1:
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for credit in credits:
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self.stdout.write(f"Removing {credit}...")
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if force:
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credits.delete()
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# Deleting note
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local_deleted.append(user.note)
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if force:
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user.note.delete()
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if 'logs' in settings.INSTALLED_APPS:
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from logs.models import Changelog
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# Replace log executors by the runner of the script
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Changelog.objects.filter(user=user).update(user=executor)
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# Deleting profile
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local_deleted.append(user.profile)
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if force:
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user.profile.delete()
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# Finally deleting user
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if force:
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user.delete()
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local_deleted.append(user)
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# This script should really not be used.
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if not kwargs['doit'] and not input('You are about to delete real user data. '
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'Are you really sure that it is what you want? [y/N] ')\
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.lower().startswith('y'):
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self.stdout.write(self.style.ERROR("Aborted."))
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exit(1)
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if kwargs['verbosity'] >= 1:
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self.stdout.write(self.style.SUCCESS(f"User {user} deleted."))
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deleted_users.append(user)
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deleted += local_deleted
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if deleted_users:
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message = f"Les utilisateurs {deleted_users} ont été supprimés par {executor}.\n\n"
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message += "Ont été supprimés en conséquence les objets suivants :\n\n"
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for obj in deleted:
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message += f"{repr(obj)} (pk: {obj.pk})\n"
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mail_admins("Utilisateurs supprimés", message)
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