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import datetime
import logging
import uuid
from django.conf import settings
from django.db import models
from django.db.models import Count
def ip_field(required=True):
# we are on an old version of django missing an ipv6 friendly field
# so just use a charfield to keep it simple
if required:
return models.CharField(max_length=40)
return models.CharField(max_length=40, blank=True, null=True)
def get_ip(request):
# fields taken from:
# https://github.com/un33k/django-ipware/blob/master/ipware/defaults.py
ip_meta_vals = (
'HTTP_X_FORWARDED_FOR',
'HTTP_CLIENT_IP',
'HTTP_X_REAL_IP',
'HTTP_X_FORWARDED',
'HTTP_X_CLUSTER_CLIENT_IP',
'HTTP_FORWARDED_FOR',
'HTTP_FORWARDED',
'HTTP_VIA',
'X_FORWARDED_FOR',
'REMOTE_ADDR',
)
for field in ip_meta_vals:
ip = request.META.get(field)
if ip:
return ip.split(',')[0]
return 'unkwnown'
class LicenseManager(models.Manager):
"""
Model manager for License model.
Provides additional convenience method
"""
def all_with_hashes(self, hash_list):
"""
Produce a list of licenses that match the specified list of hashes.
The main use case is to convert license digest to something the user
can relate to.
"""
return self.all().filter(digest__in=hash_list)
class License(models.Model):
digest = models.CharField(max_length=40)
text = models.TextField()
theme = models.CharField(max_length=60)
objects = LicenseManager()
def __unicode__(self):
return self.digest
class APIKeyStore(models.Model):
key = models.CharField(max_length=80)
public = models.BooleanField()
description = models.CharField(max_length=256, default='')
last_used = models.DateTimeField(auto_now=True, blank=True, null=True)
def __unicode__(self):
return '%s: %s' % (self.description, self.public)
class APIToken(models.Model):
'''Represents an API token that will be valid under certain restrictions'''
token = models.CharField(primary_key=True, max_length=40)
key = models.ForeignKey(APIKeyStore)
expires = models.DateTimeField(
blank=True, null=True, help_text='Limit the duration of this token')
not_valid_til = models.DateTimeField(
blank=True, null=True,
help_text='Prevent this token from being immediately available')
ip = ip_field(required=False)
def save(self, *args, **kwargs):
if not self.token:
self.token = str(uuid.uuid4())
return super(APIToken, self).save(*args, **kwargs)
def valid_request(self, request):
if self.expires and self.expires < datetime.datetime.now():
return False
if self.not_valid_til and self.not_valid_til > datetime.datetime.now():
return False
if self.ip and get_ip(request) != self.ip:
return False
return True
class APILog(models.Model):
timestamp = models.DateTimeField(auto_now_add=True)
ip = ip_field()
key = models.ForeignKey(APIKeyStore, blank=True, null=True)
label = models.CharField(max_length=32)
path = models.CharField(max_length=256)
@staticmethod
def mark(request, label, key=None):
ip = get_ip(request)
APILog.objects.create(label=label, ip=ip, path=request.path, key=key)
if key:
key.save() # bump the last_used timestamp
class Download(models.Model):
timestamp = models.DateTimeField(auto_now_add=True)
ip = ip_field()
name = models.CharField(max_length=256)
link = models.BooleanField(
help_text='Was this a real path or a link like "latest"')
country = models.CharField(max_length=256, blank=True, null=True)
region_isp = models.CharField(max_length=256, blank=True, null=True)
@staticmethod
def mark(request, artifact):
try:
if not settings.TRACK_DOWNLOAD_STATS:
return
# Don't keep track of bot downloads.
agent = request.META.get('HTTP_USER_AGENT', '')
for bot in settings.BOT_USER_AGENTS:
if bot in agent:
return
ip = get_ip(request)
name = artifact.get_real_name()
link = name != artifact.url()
Download.objects.create(ip=ip, name=name, link=link)
except:
logging.exception('unable to mark download')
@staticmethod
def next_month(ts):
if ts.month < 12:
return ts.replace(month=ts.month + 1)
return ts.replace(year=ts.year + 1, month=1)
@staticmethod
def month_queryset(year_month):
start = datetime.datetime.strptime(year_month, '%Y.%m')
end = Download.next_month(start)
return Download.objects.filter(
timestamp__gte=start, timestamp__lte=end).exclude(country=None)
@staticmethod
def report(year_month, column_name, **extra_filters):
qs = Download.month_queryset(
year_month
)
if extra_filters:
qs = qs.filter(**extra_filters)
return qs.values(
column_name,
).annotate(
count=Count(column_name)
).order_by(
'-count'
)
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