import os from django.contrib.auth.hashers import make_password from django.core import validators from django.core.mail import send_mail from django.db import models from django.utils.functional import cached_property from django.utils.translation import ugettext_lazy as _ from orchestra.core import services from . import settings class SystemUserQuerySet(models.QuerySet): def create_user(self, username, password='', **kwargs): user = super(SystemUserQuerySet, self).create(username=username, **kwargs) user.set_password(password) user.save(update_fields=['password']) return user class SystemUser(models.Model): """ System users """ username = models.CharField(_("username"), max_length=64, unique=True, help_text=_("Required. 30 characters or fewer. Letters, digits and ./-/_ only."), validators=[validators.RegexValidator(r'^[\w.-]+$', _("Enter a valid username."), 'invalid')]) password = models.CharField(_("password"), max_length=128) account = models.ForeignKey('accounts.Account', verbose_name=_("Account"), related_name='systemusers') home = models.CharField(_("home"), max_length=256, blank=True, help_text=_("Home directory relative to account's ~main_user")) shell = models.CharField(_("shell"), max_length=32, choices=settings.SYSTEMUSERS_SHELLS, default=settings.SYSTEMUSERS_DEFAULT_SHELL) groups = models.ManyToManyField('self', blank=True, help_text=_("A new group will be created for the user. " "Which additional groups would you like them to be a member of?")) is_main = models.BooleanField(_("is main"), default=False) is_active = models.BooleanField(_("active"), default=True, help_text=_("Designates whether this account should be treated as active. " "Unselect this instead of deleting accounts.")) objects = SystemUserQuerySet.as_manager() def __unicode__(self): return self.username @cached_property def active(self): try: return self.is_active and self.account.is_active except type(self).account.field.rel.to.DoesNotExist: return self.is_active def set_password(self, raw_password): self.password = make_password(raw_password) def get_home(self): if self.is_main: context = { 'username': self.username, } basehome = settings.SYSTEMUSERS_HOME % context else: basehome = self.account.systemusers.get(is_main=True).get_home() basehome = basehome.replace('/./', '/') home = os.path.join(basehome, self.home) # Chrooting # TODO option for disabling chrooting home = home.split('/') home.insert(-2, '.') return '/'.join(home) ## TODO user deletion and group handling. #class SystemGroup(models.Model): # name = models.CharField(_("name"), max_length=64, unique=True, # help_text=_("Required. 30 characters or fewer. Letters, digits and ./-/_ only."), # validators=[validators.RegexValidator(r'^[\w.-]+$', # _("Enter a valid group name."), 'invalid')]) # account = models.ForeignKey('accounts.Account', verbose_name=_("Account"), # related_name='systemgroups') # # def __unicode__(self): # return self.name services.register(SystemUser)