Jan Dittberner
6eb74f5b79
- add custom celery router osusers.tasks.LdapRouter - add tasks add_ldap_user_to_group, delete_ldap_group_if_empty, delete_ldap_user and remove_ldap_user_from_group - implement osusers.models.Group.save and osusers.models.Group.delete - implement save, delete and set_password methods in osusers.models.User - implement save and delete methods in osusers.models.AdditionalGroup
231 lines
7.8 KiB
Python
231 lines
7.8 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 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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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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create_ldap_group.delay(self)
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return self
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def delete(self, *args, **kwargs):
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delete_ldap_group_if_empty.delay(self)
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super(Group, self).delete(*args, **kwargs)
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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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create_ldap_group.delay(group)
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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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Shadow.objects.create_shadow(user=user, password=password)
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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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create_ldap_user.delay(self, password)
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def save(self, *args, **kwargs):
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create_ldap_user.delay(self, password=None)
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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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remove_ldap_user_from_group.delay(self.username, group.groupname)
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delete_ldap_user.delay(self)
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delete_ldap_group_if_empty.delay(self.group)
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self.group.delete()
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super(User, self).delete(*args, **kwargs)
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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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pwhash = sha512_crypt.encrypt(password)
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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, passwd=pwhash
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)
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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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@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(_(
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"You can not use a user's primary group."))
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def save(self, *args, **kwargs):
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add_ldap_user_to_group.delay(
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self.user.username, self.group.groupname)
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super(AdditionalGroup, self).save(*args, **kwargs)
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def delete(self, *args, **kwargs):
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remove_ldap_user_from_group.delay(
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self.user.username, self.group.groupname)
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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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