130 lines
5.0 KiB
Python
130 lines
5.0 KiB
Python
import os
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from django.contrib.auth.hashers import make_password
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from django.core.exceptions import ValidationError
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from django.core.mail import send_mail
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from django.db import models
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from django.utils.functional import cached_property
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from django.utils.translation import ugettext_lazy as _
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from orchestra.core import services, validators
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from . import settings
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class SystemUserQuerySet(models.QuerySet):
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def create_user(self, username, password='', **kwargs):
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user = super(SystemUserQuerySet, self).create(username=username, **kwargs)
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user.set_password(password)
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user.save(update_fields=['password'])
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return user
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class SystemUser(models.Model):
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""" System users """
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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.validate_username])
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password = models.CharField(_("password"), max_length=128)
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account = models.ForeignKey('accounts.Account', verbose_name=_("Account"),
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related_name='systemusers')
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home = models.CharField(_("home"), max_length=256, blank=True,
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help_text=_("Starting location when login with this no-shell user."))
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directory = models.CharField(_("directory"), max_length=256, blank=True,
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help_text=_("Optional directory relative to user's home."))
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shell = models.CharField(_("shell"), max_length=32, choices=settings.SYSTEMUSERS_SHELLS,
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default=settings.SYSTEMUSERS_DEFAULT_SHELL)
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groups = models.ManyToManyField('self', blank=True, symmetrical=False,
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help_text=_("A new group will be created for the user. "
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"Which additional groups would you like them to be a member of?"))
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# is_main = models.BooleanField(_("is main"), default=False)
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is_active = models.BooleanField(_("active"), default=True,
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help_text=_("Designates whether this account should be treated as active. "
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"Unselect this instead of deleting accounts."))
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objects = SystemUserQuerySet.as_manager()
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def __unicode__(self):
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return self.username
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@cached_property
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def active(self):
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try:
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return self.is_active and self.account.is_active
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except type(self).account.field.rel.to.DoesNotExist:
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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
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if self.account.main_systemuser_id:
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return self.account.main_systemuser_id == self.pk
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return self.account.username == self.username
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@property
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def has_shell(self):
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return self.shell not in settings.SYSTEMUSERS_DISABLED_SHELLS
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def get_description(self):
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return self.get_shell_display()
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def save(self, *args, **kwargs):
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if not self.home:
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self.home = self.get_base_home()
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super(SystemUser, self).save(*args, **kwargs)
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def clean(self):
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if self.home:
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self.home = os.path.normpath(self.home)
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if self.directory:
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directory_error = None
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if self.has_shell:
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directory_error = _("Directory with shell users can not be specified.")
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elif self.account_id and self.is_main:
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directory_error = _("Directory with main system users can not be specified.")
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elif self.home == self.get_base_home():
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directory_error = _("Directory on the user's base home is not allowed.")
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if directory_error:
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raise ValidationError({
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'directory': directory_error,
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})
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def validate_home(self, data, account):
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""" validates home based on account and data['shell'] """
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if not 'username' in data and not self.pk:
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# other validation will have raised for required username
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return
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user = type(self)(
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username=data.get('username') or self.username,
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shell=data.get('shell') or self.shell,
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)
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if 'home' in data and data['home']:
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home = data['home'].rstrip('/')
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user_home = user.get_home().rstrip('/')
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account_home = account.main_systemuser.get_home().rstrip('/')
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if user.has_shell:
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if home != user_home:
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raise ValidationError({
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'home': _("Not a valid home directory.")
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})
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elif home not in (user_home, account_home):
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raise ValidationError({
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'home': _("Not a valid home directory.")
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})
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def set_password(self, raw_password):
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self.password = make_password(raw_password)
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def get_base_home(self):
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context = {
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'username': self.username,
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}
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return os.path.normpath(settings.SYSTEMUSERS_HOME % context)
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def get_home(self):
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return os.path.join(self.home, self.directory)
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services.register(SystemUser)
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