Jan Dittberner
b37e44ccfd
- fix task name in Group.delete - remove duplicate task from User.delete - adapt osusers.tests.test_models.GroupTest.test_delete - add tests to UserTest - test_save - test_delete_only_user - test_delete_additional_groups
378 lines
12 KiB
Python
378 lines
12 KiB
Python
from datetime import date
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import os
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from django.db import models
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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.utils import timezone
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from django.utils.encoding import python_2_unicode_compatible
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from django.utils.translation import ugettext as _
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from model_utils.models import TimeStampedModel
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from celery.result import AsyncResult
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from passlib.hash import sha512_crypt
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from passlib.utils import generate_password
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from .tasks import (
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add_ldap_user_to_group,
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create_ldap_group,
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create_ldap_user,
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delete_ldap_group_if_empty,
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delete_ldap_user,
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remove_ldap_user_from_group,
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)
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CANNOT_USE_PRIMARY_GROUP_AS_ADDITIONAL = _(
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"You can not use a user's primary group.")
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class TaskResult(TimeStampedModel, models.Model):
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task_uuid = models.CharField(primary_key=True, max_length=64, blank=False)
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task_name = models.CharField(max_length=255, blank=False, db_index=True)
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is_finished = models.BooleanField(default=False)
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is_success = models.BooleanField(default=False)
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state = models.CharField(max_length=10)
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result_body = models.TextField(blank=True)
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class Meta:
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abstract = True
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def _set_result_fields(self, asyncresult):
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if asyncresult.ready():
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self.is_finished = True
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self.is_success = asyncresult.state == 'SUCCESS'
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self.result_body = str(asyncresult.result)
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self.state = asyncresult.state
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asyncresult.get(no_ack=False)
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def update_taskstatus(self):
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if not self.is_finished:
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asyncresult = AsyncResult(self.task_uuid)
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self._set_result_fields(asyncresult)
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self.save()
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class GroupManager(models.Manager):
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def get_next_gid(self):
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q = self.aggregate(models.Max('gid'))
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if q['gid__max'] is None:
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return settings.OSUSER_MINGID
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return max(settings.OSUSER_MINGID, q['gid__max'] + 1)
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@python_2_unicode_compatible
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class Group(TimeStampedModel, models.Model):
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groupname = models.CharField(
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_('Group name'), max_length=16, unique=True)
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gid = models.PositiveSmallIntegerField(
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_('Group ID'), unique=True, primary_key=True)
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descr = models.TextField(_('Description'), blank=True)
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passwd = models.CharField(
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_('Group password'), max_length=128, blank=True)
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objects = GroupManager()
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class Meta:
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verbose_name = _('Group')
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verbose_name_plural = _('Groups')
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def __str__(self):
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return '{0} ({1})'.format(self.groupname, self.gid)
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def save(self, *args, **kwargs):
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super(Group, self).save(*args, **kwargs)
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GroupTaskResult.objects.create_grouptaskresult(
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self,
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create_ldap_group.delay(self.groupname, self.gid, self.descr),
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'create_ldap_group'
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)
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return self
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def delete(self, *args, **kwargs):
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DeleteTaskResult.objects.create_deletetaskresult(
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'group', self.groupname,
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delete_ldap_group_if_empty.delay(self.groupname),
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'delete_ldap_group_if_empty'
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)
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super(Group, self).delete(*args, **kwargs)
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class TaskResultManager(models.Manager):
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def create(self, asyncresult, task_name):
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result = self.model(
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task_uuid=asyncresult.task_id, task_name=task_name
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)
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result._set_result_fields(asyncresult)
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return result
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class DeleteTaskResultManager(TaskResultManager):
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def create_deletetaskresult(
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self, modeltype, modelname, asyncresult, task_name
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):
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taskresult = super(DeleteTaskResultManager, self).create(
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asyncresult, task_name)
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taskresult.modeltype = modeltype
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taskresult.modelname = modelname
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taskresult.save()
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return taskresult
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class DeleteTaskResult(TaskResult):
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modeltype = models.CharField(max_length=20, db_index=True)
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modelname = models.CharField(max_length=255)
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objects = DeleteTaskResultManager()
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class GroupTaskResultManager(TaskResultManager):
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def create_grouptaskresult(
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self, group, asyncresult, task_name, commit=False
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):
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taskresult = super(GroupTaskResultManager, self).create(
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asyncresult, task_name)
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taskresult.group = group
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taskresult.save()
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return taskresult
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class GroupTaskResult(TaskResult):
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group = models.ForeignKey(Group)
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objects = GroupTaskResultManager()
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class UserManager(models.Manager):
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def get_next_uid(self):
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q = self.aggregate(models.Max('uid'))
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if q['uid__max'] is None:
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return settings.OSUSER_MINUID
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return max(settings.OSUSER_MINUID, q['uid__max'] + 1)
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def get_next_username(self):
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count = 1
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usernameformat = "{0}{1:02d}"
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nextuser = usernameformat.format(settings.OSUSER_USERNAME_PREFIX,
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count)
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for user in self.values('username').filter(
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username__startswith=settings.OSUSER_USERNAME_PREFIX).order_by(
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'username'):
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if user['username'] == nextuser:
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count += 1
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nextuser = usernameformat.format(
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settings.OSUSER_USERNAME_PREFIX, count)
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else:
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break
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return nextuser
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def create_user(self, username=None, password=None, commit=False):
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uid = self.get_next_uid()
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gid = Group.objects.get_next_gid()
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if username is None:
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username = self.get_next_username()
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if password is None:
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password = generate_password()
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homedir = os.path.join(settings.OSUSER_HOME_BASEPATH, username)
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group = Group.objects.create(groupname=username, gid=gid)
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user = self.create(username=username, group=group, uid=uid,
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homedir=homedir,
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shell=settings.OSUSER_DEFAULT_SHELL)
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user.set_password(password)
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if commit:
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user.save()
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return user
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@python_2_unicode_compatible
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class User(TimeStampedModel, models.Model):
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username = models.CharField(
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_('User name'), max_length=64, unique=True)
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uid = models.PositiveSmallIntegerField(
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_('User ID'), unique=True, primary_key=True)
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group = models.ForeignKey(Group, verbose_name=_('Group'))
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gecos = models.CharField(_('Gecos field'), max_length=128, blank=True)
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homedir = models.CharField(_('Home directory'), max_length=256)
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shell = models.CharField(_('Login shell'), max_length=64)
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objects = UserManager()
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class Meta:
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verbose_name = _('User')
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verbose_name_plural = _('Users')
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def __str__(self):
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return '{0} ({1})'.format(self.username, self.uid)
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def set_password(self, password):
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if hasattr(self, 'shadow'):
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self.shadow.set_password(password)
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else:
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self.shadow = Shadow.objects.create_shadow(
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user=self, password=password
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)
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UserTaskResult.objects.create_usertaskresult(
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self,
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create_ldap_user.delay(
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self.username, self.uid, self.group.gid, self.gecos,
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self.homedir, self.shell, password
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),
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'create_ldap_user',
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commit=True
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)
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def save(self, *args, **kwargs):
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UserTaskResult.objects.create_usertaskresult(
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self,
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create_ldap_user.delay(
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self.username, self.uid, self.group.gid, self.gecos,
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self.homedir, self.shell, password=None
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),
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'create_ldap_user'
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)
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return super(User, self).save(*args, **kwargs)
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def delete(self, *args, **kwargs):
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for group in [
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ag.group for ag in AdditionalGroup.objects.filter(user=self)
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]:
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DeleteTaskResult.objects.create_deletetaskresult(
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'usergroup',
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'{0} in {1}'.format(self.username, group.groupname),
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remove_ldap_user_from_group.delay(
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self.username, group.groupname),
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'remove_ldap_user_from_group',
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)
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DeleteTaskResult.objects.create_deletetaskresult(
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'user', self.username,
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delete_ldap_user.delay(self.username),
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'delete_ldap_user'
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)
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self.group.delete()
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super(User, self).delete(*args, **kwargs)
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class UserTaskResultManager(TaskResultManager):
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def create_usertaskresult(
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self, user, asyncresult, task_name, commit=False
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):
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taskresult = self.create(asyncresult, task_name)
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taskresult.user = user
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taskresult.save()
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return taskresult
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class UserTaskResult(TaskResult):
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user = models.ForeignKey(User)
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objects = UserTaskResultManager()
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class ShadowManager(models.Manager):
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def create_shadow(self, user, password):
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changedays = (timezone.now().date() - date(1970, 1, 1)).days
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shadow = self.create(
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user=user, changedays=changedays,
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minage=0, maxage=None, gracedays=7,
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inactdays=30, expiredays=None
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)
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shadow.set_password(password)
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shadow.save()
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return shadow
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@python_2_unicode_compatible
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class Shadow(TimeStampedModel, models.Model):
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user = models.OneToOneField(User, primary_key=True, verbose_name=_('User'))
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passwd = models.CharField(_('Encrypted password'), max_length=128)
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changedays = models.PositiveSmallIntegerField(
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_('Date of last change'),
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help_text=_('This is expressed in days since Jan 1, 1970'),
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blank=True, null=True)
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minage = models.PositiveSmallIntegerField(
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_('Minimum age'),
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help_text=_('Minimum number of days before the password can be'
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' changed'),
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blank=True, null=True)
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maxage = models.PositiveSmallIntegerField(
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_('Maximum age'),
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help_text=_('Maximum number of days after which the password has to'
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' be changed'),
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blank=True, null=True)
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gracedays = models.PositiveSmallIntegerField(
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_('Grace period'),
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help_text=_('The number of days before the password is going to'
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' expire'),
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blank=True, null=True)
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inactdays = models.PositiveSmallIntegerField(
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_('Inactivity period'),
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help_text=_('The number of days after the password has expired during'
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' which the password should still be accepted'),
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blank=True, null=True)
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expiredays = models.PositiveSmallIntegerField(
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_('Account expiration date'),
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help_text=_('The date of expiration of the account, expressed as'
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' number of days since Jan 1, 1970'),
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blank=True, null=True, default=None)
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objects = ShadowManager()
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class Meta:
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verbose_name = _('Shadow password')
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verbose_name_plural = _('Shadow passwords')
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def __str__(self):
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return 'for user {0}'.format(self.user)
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def set_password(self, password):
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self.passwd = sha512_crypt.encrypt(password)
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@python_2_unicode_compatible
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class AdditionalGroup(TimeStampedModel, models.Model):
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user = models.ForeignKey(User)
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group = models.ForeignKey(Group)
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class Meta:
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unique_together = ('user', 'group')
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verbose_name = _('Additional group')
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verbose_name_plural = _('Additional groups')
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def clean(self):
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if self.user.group == self.group:
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raise ValidationError(CANNOT_USE_PRIMARY_GROUP_AS_ADDITIONAL)
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def save(self, *args, **kwargs):
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GroupTaskResult.objects.create_grouptaskresult(
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self.group,
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add_ldap_user_to_group.delay(
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self.user.username, self.group.groupname),
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'add_ldap_user_to_group'
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)
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super(AdditionalGroup, self).save(*args, **kwargs)
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def delete(self, *args, **kwargs):
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DeleteTaskResult.objects.create_deletetaskresult(
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'usergroup',
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str(self),
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remove_ldap_user_from_group.delay(
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self.user.username, self.group.groupname),
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'remove_ldap_user_from_group'
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)
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super(AdditionalGroup, self).delete(*args, **kwargs)
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def __str__(self):
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return '{0} in {1}'.format(self.user, self.group)
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