mirror of
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89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
from email.headerregistry import Address
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from typing import Any
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from django.conf import settings
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from django.core.exceptions import ValidationError
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from django.core.validators import validate_email
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from django.db import migrations
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from django.db.backends.base.schema import BaseDatabaseSchemaEditor
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from django.db.migrations.state import StateApps
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def host_for_subdomain(subdomain: str) -> str:
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if subdomain == "":
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return settings.EXTERNAL_HOST
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default_host = f"{subdomain}.{settings.EXTERNAL_HOST}"
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return settings.REALM_HOSTS.get(subdomain, default_host)
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def get_fake_email_domain(realm: Any) -> str:
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"""
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Taken from zerver.models. Adjusted to work in a migration without changing
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behavior.
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"""
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try:
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# Check that realm.host can be used to form valid email addresses.
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realm_host = host_for_subdomain(realm.string_id)
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validate_email(Address(username="bot", domain=realm_host).addr_spec)
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return realm_host
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except ValidationError:
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pass
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try:
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# Check that the fake email domain can be used to form valid email addresses.
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validate_email(Address(username="bot", domain=settings.FAKE_EMAIL_DOMAIN).addr_spec)
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except ValidationError:
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raise Exception(
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settings.FAKE_EMAIL_DOMAIN + " is not a valid domain. "
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"Consider setting the FAKE_EMAIL_DOMAIN setting."
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)
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return settings.FAKE_EMAIL_DOMAIN
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def fix_dummy_users(apps: StateApps, schema_editor: BaseDatabaseSchemaEditor) -> None:
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"""
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do_delete_users had two bugs:
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1. Creating the replacement dummy users with active=True
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2. Creating the replacement dummy users with email domain set to realm.url,
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which may not be a valid email domain.
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Prior commits fixed the bugs, and this migration fixes the pre-existing objects.
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"""
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UserProfile = apps.get_model("zerver", "UserProfile")
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Subscription = apps.get_model("zerver", "Subscription")
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users_to_fix = UserProfile.objects.filter(
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is_mirror_dummy=True, is_active=True, delivery_email__regex=r"^deleteduser\d+@.+"
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)
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update_fields = ["is_active"]
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for user_profile in users_to_fix:
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user_profile.is_active = False
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try:
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validate_email(user_profile.delivery_email)
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except ValidationError:
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user_profile.delivery_email = Address(
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username=f"deleteduser{user_profile.id}",
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domain=get_fake_email_domain(user_profile.realm),
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).addr_spec
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update_fields.append("delivery_email")
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UserProfile.objects.bulk_update(users_to_fix, update_fields)
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# The denormalized is_user_active field needs to be updated too.
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Subscription.objects.filter(user_profile__in=users_to_fix).update(is_user_active=False)
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class Migration(migrations.Migration):
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dependencies = [
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("zerver", "0372_realmemoji_unique_realm_emoji_when_false_deactivated"),
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]
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operations = [
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migrations.RunPython(
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fix_dummy_users,
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reverse_code=migrations.RunPython.noop,
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elidable=True,
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)
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]
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