Files
pretix_original/src/pretix/base/models/auth.py
2017-05-03 17:11:55 +02:00

257 lines
8.9 KiB
Python

from typing import Union
from django.conf import settings
from django.contrib.auth.models import (
AbstractBaseUser, BaseUserManager, PermissionsMixin,
)
from django.contrib.contenttypes.models import ContentType
from django.db import models
from django.db.models import Q
from django.utils.translation import ugettext_lazy as _
from django_otp.models import Device
from pretix.base.i18n import language
from pretix.helpers.urls import build_absolute_uri
from .base import LoggingMixin
class UserManager(BaseUserManager):
"""
This is the user manager for our custom user model. See the User
model documentation to see what's so special about our user model.
"""
def create_user(self, email: str, password: str=None, **kwargs):
user = self.model(email=email, **kwargs)
user.set_password(password)
user.save()
return user
def create_superuser(self, email: str, password: str=None): # NOQA
# Not used in the software but required by Django
if password is None:
raise Exception("You must provide a password")
user = self.model(email=email)
user.is_staff = True
user.is_superuser = True
user.set_password(password)
user.save()
return user
class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
"""
This is the user model used by pretix for authentication.
:param email: The user's email address, used for identification.
:type email: str
:param fullname: The user's full name. May be empty or null.
:type fullname: str
:param is_active: Whether this user account is activated.
:type is_active: bool
:param is_staff: ``True`` for system operators.
:type is_staff: bool
:param date_joined: The datetime of the user's registration.
:type date_joined: datetime
:param locale: The user's preferred locale code.
:type locale: str
:param timezone: The user's preferred timezone.
:type timezone: str
"""
USERNAME_FIELD = 'email'
REQUIRED_FIELDS = []
email = models.EmailField(unique=True, db_index=True, null=True, blank=True,
verbose_name=_('E-mail'))
fullname = models.CharField(max_length=255, blank=True, null=True,
verbose_name=_('Full name'))
is_active = models.BooleanField(default=True,
verbose_name=_('Is active'))
is_staff = models.BooleanField(default=False,
verbose_name=_('Is site admin'))
date_joined = models.DateTimeField(auto_now_add=True,
verbose_name=_('Date joined'))
locale = models.CharField(max_length=50,
choices=settings.LANGUAGES,
default=settings.LANGUAGE_CODE,
verbose_name=_('Language'))
timezone = models.CharField(max_length=100,
default=settings.TIME_ZONE,
verbose_name=_('Timezone'))
require_2fa = models.BooleanField(default=False)
objects = UserManager()
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._teamcache = {}
class Meta:
verbose_name = _("User")
verbose_name_plural = _("Users")
def save(self, *args, **kwargs):
self.email = self.email.lower()
super().save(*args, **kwargs)
def __str__(self):
return self.email
def get_short_name(self) -> str:
"""
Returns the first of the following user properties that is found to exist:
* Full name
* Email address
Only present for backwards compatibility
"""
if self.fullname:
return self.fullname
else:
return self.email
def get_full_name(self) -> str:
"""
Returns the first of the following user properties that is found to exist:
* Full name
* Email address
"""
if self.fullname:
return self.fullname
else:
return self.email
def send_security_notice(self, messages, email=None):
from pretix.base.services.mail import mail, SendMailException
try:
with language(self.locale):
msg = '- ' + '\n- '.join(str(m) for m in messages)
mail(
email or self.email,
_('Account information changed'),
'pretixcontrol/email/security_notice.txt',
{
'user': self,
'messages': msg,
'url': build_absolute_uri('control:user.settings')
},
event=None,
locale=self.locale
)
except SendMailException:
pass # Already logged
@property
def all_logentries(self):
from pretix.base.models import LogEntry
return LogEntry.objects.filter(content_type=ContentType.objects.get_for_model(User),
object_id=self.pk)
def _get_teams_for_organizer(self, organizer):
if 'o{}'.format(organizer.pk) not in self._teamcache:
self._teamcache['o{}'.format(organizer.pk)] = list(self.teams.filter(organizer=organizer))
return self._teamcache['o{}'.format(organizer.pk)]
def _get_teams_for_event(self, organizer, event):
if 'e{}'.format(event.pk) not in self._teamcache:
self._teamcache['e{}'.format(event.pk)] = list(self.teams.filter(organizer=organizer).filter(
Q(all_events=True) | Q(limit_events=event)
))
return self._teamcache['e{}'.format(event.pk)]
class SuperuserPermissionSet:
def __contains__(self, item):
return True
def get_event_permission_set(self, organizer, event) -> Union[set, SuperuserPermissionSet]:
"""
Gets a set of permissions (as strings) that a user holds for a particular event
:param organizer: The organizer of the event
:param event: The event to check
:return: set in case of a normal user and a SuperuserPermissionSet in case of a superuser (fake object where
a in b always returns true).
"""
if self.is_superuser:
return self.SuperuserPermissionSet()
teams = self._get_teams_for_event(organizer, event)
return set.union(*[t.permission_set() for t in teams])
def get_organizer_permission_set(self, organizer) -> Union[set, SuperuserPermissionSet]:
"""
Gets a set of permissions (as strings) that a user holds for a particular organizer
:param organizer: The organizer of the event
:return: set in case of a normal user and a SuperuserPermissionSet in case of a superuser (fake object where
a in b always returns true).
"""
if self.is_superuser:
return self.SuperuserPermissionSet()
teams = self._get_teams_for_organizer(organizer)
return set.union(*[t.permission_set() for t in teams])
def has_event_permission(self, organizer, event, perm_name=None) -> bool:
"""
Checks if this user is part of any team that grants access of type ``perm_name``
to the event ``event``.
:param organizer: The organizer of the event
:param event: The event to check
:param perm_name: The permission, e.g. ``can_change_teams``
:return: bool
"""
if self.is_superuser:
return True
teams = self._get_teams_for_event(organizer, event)
if teams:
self._teamcache['e{}'.format(event.pk)] = teams
if not perm_name or any([team.has_permission(perm_name) for team in teams]):
return True
return False
def has_organizer_permission(self, organizer, perm_name=None):
"""
Checks if this user is part of any team that grants access of type ``perm_name``
to the organizer ``organizer``.
:param organizer: The organizer to check
:param perm_name: The permission, e.g. ``can_change_teams``
:return: bool
"""
if self.is_superuser:
return True
teams = self._get_teams_for_organizer(organizer)
if teams:
if not perm_name or any([team.has_permission(perm_name) for team in teams]):
return True
return False
def get_events_with_any_permission(self):
"""
Returns a queryset of events the user has any permissions to.
:return: Iterable of Events
"""
from .event import Event
if self.is_superuser:
return Event.objects.all()
return Event.objects.filter(
Q(organizer_id__in=self.teams.filter(all_events=True).values_list('organizer', flat=True))
| Q(id__in=self.teams.values_list('limit_events__id', flat=True))
)
class U2FDevice(Device):
json_data = models.TextField()