mirror of https://github.com/zulip/zulip.git
111 lines
4.7 KiB
Python
111 lines
4.7 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.db import models, migrations, connection
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from django.conf import settings
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# Translate the UserProfile fields back to the old Guardian model
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def unmigrate_guardian_data(apps, schema_editor):
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Permission = apps.get_model('auth', 'Permission')
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ContentType = apps.get_model('contenttypes', 'ContentType')
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UserProfile = apps.get_model('zerver', 'UserProfile')
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try:
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administer = Permission.objects.get(codename="administer")
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except Permission.DoesNotExist:
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administer = Permission.objects.create(codename="administer")
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try:
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api_super_user = Permission.objects.get(codename="api_super_user")
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except Permission.DoesNotExist:
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api_super_user = Permission.objects.create(codename="api_super_user")
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realm_content_type = ContentType.objects.get(app_label="zerver",
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model="realm")
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# assign_perm isn't usable inside a migration, so we just directly
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# create the UserObjectPermission objects
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UserObjectPermission = apps.get_model('guardian', 'UserObjectPermission')
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for user_profile in UserProfile.objects.filter(is_realm_admin=True):
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UserObjectPermission(permission=administer,
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user_id=user_profile.id,
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object_pk=user_profile.realm_id,
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content_type=realm_content_type).save()
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for user_profile in UserProfile.objects.filter(is_api_super_user=True):
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UserObjectPermission(permission=api_super_user,
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user_id=user_profile.id,
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object_pk=user_profile.realm_id,
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content_type=realm_content_type).save()
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# Migrate all the guardian data for which users are realm admins or
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# API super users to the new fields on the UserProfile model
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def migrate_guardian_data(apps, schema_editor):
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Permission = apps.get_model('auth', 'Permission')
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ContentType = apps.get_model('contenttypes', 'ContentType')
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UserProfile = apps.get_model('zerver', 'UserProfile')
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try:
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administer_id = Permission.objects.get(codename="administer").id
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except Permission.DoesNotExist:
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administer_id = None
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try:
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api_super_user_id = Permission.objects.get(codename="api_super_user").id
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except Permission.DoesNotExist:
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api_super_user_id = None
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# If ContentType hasn't been initialized yet, we have a new, clean
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# database and the below is not needed
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if ContentType.objects.count() == 0:
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return
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realm_content_type = ContentType.objects.get(app_label="zerver",
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model="realm")
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cursor = connection.cursor()
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cursor.execute("SELECT id, object_pk, content_type_id, permission_id, user_id FROM guardian_userobjectpermission")
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for row in cursor.fetchall():
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(row_id, object_pk, content_type_id, permission_id, user_id) = row
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if content_type_id != realm_content_type.id:
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raise Exception("Unexected non-realm content type")
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user_profile = UserProfile.objects.get(id=user_id)
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if permission_id == administer_id:
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user_profile.is_realm_admin = True
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elif permission_id == api_super_user_id:
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user_profile.is_api_super_user = True
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else:
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raise Exception("Unexpected Django permission")
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user_profile.save()
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# Set the email gateway bot as an API super user so we can clean
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# up the old API_SUPER_USERS hack.
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if settings.EMAIL_GATEWAY_BOT is not None:
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try:
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email_gateway_bot = UserProfile.objects.get(email__iexact=settings.EMAIL_GATEWAY_BOT)
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email_gateway_bot.is_api_super_user = True
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email_gateway_bot.save()
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except UserProfile.DoesNotExist:
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pass
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# Delete the old permissions data in the Guardian tables; this
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# makes the reverse-migration work safely (otherwise we'd have to
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# worry about the migrate/unmigrate process racing with a user's
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# admin permissions being revoked).
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cursor.execute("DELETE FROM guardian_userobjectpermission")
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class Migration(migrations.Migration):
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dependencies = [
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('zerver', '0010_delete_streamcolor'),
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]
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operations = [
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migrations.AddField(
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model_name='userprofile',
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name='is_api_super_user',
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field=models.BooleanField(default=False, db_index=True),
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),
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migrations.AddField(
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model_name='userprofile',
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name='is_realm_admin',
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field=models.BooleanField(default=False, db_index=True),
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),
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migrations.RunPython(migrate_guardian_data, unmigrate_guardian_data),
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]
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