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1 """Contains models for the accounts application"""
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2
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3 import datetime
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4 import random
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5 import string
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6 import hashlib
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7 import base64
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8
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9 from django.db import models
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10 from django.contrib.auth.models import User
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11 from django.conf import settings
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12
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13
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14 class IllegalUsername(models.Model):
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15 """model to represent the list of illegal usernames"""
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16 username = models.CharField(max_length=30, db_index=True)
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17
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18 def __unicode__(self):
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19 return self.username
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20
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21 class Meta:
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22 ordering = ('username', )
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23
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24
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25 class IllegalEmail(models.Model):
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26 """model to represent the list of illegal/restricted email addresses"""
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27 email = models.EmailField(db_index=True)
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28
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29 def __unicode__(self):
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30 return self.email
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31
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32 class Meta:
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33 ordering = ('email', )
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34
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35
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36 class PendingUserManager(models.Manager):
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37 """user manager for PendingUser model"""
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38
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39 create_count = 0
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40
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41 def create_pending_user(self, username, email, password):
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42 '''creates a new pending user and saves it to the database'''
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43
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44 temp_user = User()
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45 temp_user.set_password(password)
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46
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47 now = datetime.datetime.now()
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48 pending_user = self.model(None,
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49 username,
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50 email,
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51 temp_user.password,
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52 now,
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53 self._make_key())
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54
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55 pending_user.save()
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56 self.create_count += 1
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57 return pending_user
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58
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59
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60 def purge_expired(self):
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61 expire_time = datetime.datetime.now() - datetime.timedelta(days=1)
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62 expired_pending_users = self.filter(date_joined__lt=expire_time)
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63 expired_pending_users.delete()
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64
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65
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66 def _make_key(self):
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67 s = ''.join(random.sample(string.printable, 8))
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68 delta = datetime.date.today() - datetime.date(1846, 12, 28)
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69 days = base64.urlsafe_b64encode(str(delta * 10))
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70 key = hashlib.sha1(settings.SECRET_KEY +
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71 unicode(self.create_count) +
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72 unicode(s) +
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73 unicode(days)).hexdigest()[::2]
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74 return key
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75
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76
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77 class PendingUser(models.Model):
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78 """model for holding users while they go through the email registration cycle"""
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79
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80 username = models.CharField(max_length=30, db_index=True)
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81 email = models.EmailField()
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82 password = models.CharField(max_length=128)
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83 date_joined = models.DateTimeField(default=datetime.datetime.now, db_index=True)
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84 key = models.CharField(max_length=20, editable=True)
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85
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86 objects = PendingUserManager()
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87
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88 def __unicode__(self):
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89 return self.username
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90
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