forked from CGM_Public/pretix_original
209 lines
7.3 KiB
Python
209 lines
7.3 KiB
Python
import json
|
|
import uuid
|
|
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.db import models
|
|
from django.db.models.constants import LOOKUP_SEP
|
|
from django.db.models.signals import post_delete
|
|
from django.dispatch import receiver
|
|
from django.urls import reverse
|
|
from django.utils.crypto import get_random_string
|
|
from django.utils.functional import cached_property
|
|
|
|
from pretix.helpers.json import CustomJSONEncoder
|
|
|
|
|
|
def cachedfile_name(instance, filename: str) -> str:
|
|
secret = get_random_string(length=12)
|
|
return 'cachedfiles/%s.%s.%s' % (instance.id, secret, filename.split('.')[-1])
|
|
|
|
|
|
class CachedFile(models.Model):
|
|
"""
|
|
An uploaded file, with an optional expiry date.
|
|
"""
|
|
id = models.UUIDField(primary_key=True, default=uuid.uuid4)
|
|
expires = models.DateTimeField(null=True, blank=True)
|
|
date = models.DateTimeField(null=True, blank=True)
|
|
filename = models.CharField(max_length=255)
|
|
type = models.CharField(max_length=255)
|
|
file = models.FileField(null=True, blank=True, upload_to=cachedfile_name)
|
|
|
|
|
|
@receiver(post_delete, sender=CachedFile)
|
|
def cached_file_delete(sender, instance, **kwargs):
|
|
if instance.file:
|
|
# Pass false so FileField doesn't save the model.
|
|
instance.file.delete(False)
|
|
|
|
|
|
class LoggingMixin:
|
|
|
|
def log_action(self, action, data=None, user=None, api_token=None, auth=None, save=True):
|
|
"""
|
|
Create a LogEntry object that is related to this object.
|
|
See the LogEntry documentation for details.
|
|
|
|
:param action: The namespaced action code
|
|
:param data: Any JSON-serializable object
|
|
:param user: The user performing the action (optional)
|
|
"""
|
|
from .log import LogEntry
|
|
from .event import Event
|
|
from .devices import Device
|
|
from pretix.api.models import OAuthAccessToken, OAuthApplication
|
|
from .organizer import TeamAPIToken
|
|
from ..notifications import get_all_notification_types
|
|
from ..services.notifications import notify
|
|
from pretix.api.webhooks import get_all_webhook_events, notify_webhooks
|
|
|
|
event = None
|
|
if isinstance(self, Event):
|
|
event = self
|
|
elif hasattr(self, 'event'):
|
|
event = self.event
|
|
if user and not user.is_authenticated:
|
|
user = None
|
|
|
|
kwargs = {}
|
|
if isinstance(auth, OAuthAccessToken):
|
|
kwargs['oauth_application'] = auth.application
|
|
elif isinstance(auth, OAuthApplication):
|
|
kwargs['oauth_application'] = auth
|
|
elif isinstance(auth, TeamAPIToken):
|
|
kwargs['api_token'] = auth
|
|
elif isinstance(auth, Device):
|
|
kwargs['device'] = auth
|
|
elif isinstance(api_token, TeamAPIToken):
|
|
kwargs['api_token'] = api_token
|
|
|
|
logentry = LogEntry(content_object=self, user=user, action_type=action, event=event, **kwargs)
|
|
if isinstance(data, dict):
|
|
sensitivekeys = ['password', 'secret', 'api_key']
|
|
|
|
for sensitivekey in sensitivekeys:
|
|
for k, v in data.items():
|
|
if (sensitivekey in k) and v:
|
|
data[k] = "********"
|
|
|
|
logentry.data = json.dumps(data, cls=CustomJSONEncoder, sort_keys=True)
|
|
elif data:
|
|
raise TypeError("You should only supply dictionaries as log data.")
|
|
if save:
|
|
logentry.save()
|
|
|
|
no_types = get_all_notification_types()
|
|
wh_types = get_all_webhook_events()
|
|
|
|
no_type = None
|
|
wh_type = None
|
|
typepath = logentry.action_type
|
|
while (not no_type or not wh_types) and '.' in typepath:
|
|
wh_type = wh_type or wh_types.get(typepath + ('.*' if typepath != logentry.action_type else ''))
|
|
no_type = no_type or no_types.get(typepath + ('.*' if typepath != logentry.action_type else ''))
|
|
typepath = typepath.rsplit('.', 1)[0]
|
|
|
|
if no_type:
|
|
notify.apply_async(args=(logentry.pk,))
|
|
if wh_type:
|
|
notify_webhooks.apply_async(args=(logentry.pk,))
|
|
return logentry
|
|
|
|
|
|
class LoggedModel(models.Model, LoggingMixin):
|
|
|
|
class Meta:
|
|
abstract = True
|
|
|
|
@cached_property
|
|
def logs_content_type(self):
|
|
return ContentType.objects.get_for_model(type(self))
|
|
|
|
@cached_property
|
|
def all_logentries_link(self):
|
|
from pretix.base.models import Event
|
|
|
|
if isinstance(self, Event):
|
|
event = self
|
|
elif hasattr(self, 'event'):
|
|
event = self.event
|
|
else:
|
|
return None
|
|
return reverse(
|
|
'control:event.log',
|
|
kwargs={
|
|
'event': event.slug,
|
|
'organizer': event.organizer.slug,
|
|
}
|
|
) + '?content_type={}&object={}'.format(
|
|
self.logs_content_type.pk,
|
|
self.pk
|
|
)
|
|
|
|
def top_logentries(self):
|
|
qs = self.all_logentries()
|
|
if self.all_logentries_link:
|
|
qs = qs[:25]
|
|
return qs
|
|
|
|
def top_logentries_has_more(self):
|
|
return self.all_logentries().count() > 25
|
|
|
|
def all_logentries(self):
|
|
"""
|
|
Returns all log entries that are attached to this object.
|
|
|
|
:return: A QuerySet of LogEntry objects
|
|
"""
|
|
from .log import LogEntry
|
|
|
|
return LogEntry.objects.filter(
|
|
content_type=self.logs_content_type, object_id=self.pk
|
|
).select_related('user', 'event', 'oauth_application', 'api_token', 'device')
|
|
|
|
|
|
class LockModel:
|
|
def refresh_for_update(self, fields=None, using=None, **kwargs):
|
|
"""
|
|
Like refresh_from_db(), but with select_for_update().
|
|
See also https://code.djangoproject.com/ticket/28344
|
|
"""
|
|
if fields is not None:
|
|
if not fields:
|
|
return
|
|
if any(LOOKUP_SEP in f for f in fields):
|
|
raise ValueError(
|
|
'Found "%s" in fields argument. Relations and transforms '
|
|
'are not allowed in fields.' % LOOKUP_SEP)
|
|
|
|
hints = {'instance': self}
|
|
db_instance_qs = self.__class__._base_manager.db_manager(using, hints=hints).filter(pk=self.pk).select_for_update(**kwargs)
|
|
|
|
# Use provided fields, if not set then reload all non-deferred fields.
|
|
deferred_fields = self.get_deferred_fields()
|
|
if fields is not None:
|
|
fields = list(fields)
|
|
db_instance_qs = db_instance_qs.only(*fields)
|
|
elif deferred_fields:
|
|
fields = [f.attname for f in self._meta.concrete_fields
|
|
if f.attname not in deferred_fields]
|
|
db_instance_qs = db_instance_qs.only(*fields)
|
|
|
|
db_instance = db_instance_qs.get()
|
|
non_loaded_fields = db_instance.get_deferred_fields()
|
|
for field in self._meta.concrete_fields:
|
|
if field.attname in non_loaded_fields:
|
|
# This field wasn't refreshed - skip ahead.
|
|
continue
|
|
setattr(self, field.attname, getattr(db_instance, field.attname))
|
|
# Clear cached foreign keys.
|
|
if field.is_relation and field.is_cached(self):
|
|
field.delete_cached_value(self)
|
|
|
|
# Clear cached relations.
|
|
for field in self._meta.related_objects:
|
|
if field.is_cached(self):
|
|
field.delete_cached_value(self)
|
|
|
|
self._state.db = db_instance._state.db
|