django-orchestra/orchestra/apps/systemusers/models.py

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import os
from django.contrib.auth.hashers import make_password
from django.core import validators
from django.core.exceptions import ValidationError
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'])
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return user
class SystemUser(models.Model):
""" System users """
username = models.CharField(_("username"), max_length=64, unique=True,
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help_text=_("Required. 64 characters or fewer. Letters, digits and ./-/_ only."),
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validators=[
validators.RegexValidator(r'^[\w.-]+$', _("Enter a valid username."))
])
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=_("Starting location when login with this no-shell user."))
directory = models.CharField(_("directory"), max_length=256, blank=True,
help_text=_("Optional directory relative to user's home."))
shell = models.CharField(_("shell"), max_length=32, choices=settings.SYSTEMUSERS_SHELLS,
default=settings.SYSTEMUSERS_DEFAULT_SHELL)
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groups = models.ManyToManyField('self', blank=True, symmetrical=False,
help_text=_("A new group will be created for the user. "
"Which additional groups would you like them to be a member of?"))
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# 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):
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try:
return self.is_active and self.account.is_active
except type(self).account.field.rel.to.DoesNotExist:
return self.is_active
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@cached_property
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def is_main(self):
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# TODO on account delete
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# On account creation main_systemuser_id is still None
if self.account.main_systemuser_id:
return self.account.main_systemuser_id == self.pk
return self.account.username == self.username
@property
def has_shell(self):
return self.shell not in settings.SYSTEMUSERS_DISABLED_SHELLS
def save(self, *args, **kwargs):
if not self.home:
self.home = self.get_base_home()
super(SystemUser, self).save(*args, **kwargs)
def clean(self):
if self.directory:
directory_error = None
if self.has_shell:
directory_error = _("Directory with shell users can not be specified.")
elif self.account_id and self.is_main:
directory_error = _("Directory with main system users can not be specified.")
elif self.home == self.get_base_home():
directory_error = _("Directory on the user's base home is not allowed.")
if directory_error:
raise ValidationError({
'directory': directory_error,
})
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def set_password(self, raw_password):
self.password = make_password(raw_password)
def get_base_home(self):
context = {
'username': self.username,
}
return settings.SYSTEMUSERS_HOME % context
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def get_home(self):
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return os.path.join(
self.home or self.get_base_home(),
self.directory
)
services.register(SystemUser)