datatracker/tastypie/models.py

64 lines
2 KiB
Python

from __future__ import unicode_literals
import hmac
import time
from django.conf import settings
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
from tastypie.utils import now
try:
from hashlib import sha1
except ImportError:
import sha
sha1 = sha.sha
@python_2_unicode_compatible
class ApiAccess(models.Model):
"""A simple model for use with the ``CacheDBThrottle`` behaviors."""
identifier = models.CharField(max_length=255)
url = models.CharField(max_length=255, blank=True, default='')
request_method = models.CharField(max_length=10, blank=True, default='')
accessed = models.PositiveIntegerField()
def __str__(self):
return "%s @ %s" % (self.identifier, self.accessed)
def save(self, *args, **kwargs):
self.accessed = int(time.time())
return super(ApiAccess, self).save(*args, **kwargs)
if 'django.contrib.auth' in settings.INSTALLED_APPS:
import uuid
from tastypie.compat import AUTH_USER_MODEL
class ApiKey(models.Model):
user = models.OneToOneField(AUTH_USER_MODEL, related_name='api_key')
key = models.CharField(max_length=128, blank=True, default='', db_index=True)
created = models.DateTimeField(default=now)
def __unicode__(self):
return u"%s for %s" % (self.key, self.user)
def save(self, *args, **kwargs):
if not self.key:
self.key = self.generate_key()
return super(ApiKey, self).save(*args, **kwargs)
def generate_key(self):
# Get a random UUID.
new_uuid = uuid.uuid4()
# Hmac that beast.
return hmac.new(new_uuid.bytes, digestmod=sha1).hexdigest()
class Meta:
abstract = getattr(settings, 'TASTYPIE_ABSTRACT_APIKEY', False)
def create_api_key(sender, **kwargs):
"""
A signal for hooking up automatic ``ApiKey`` creation.
"""
if kwargs.get('created') is True:
ApiKey.objects.create(user=kwargs.get('instance'))