import logging import random import unicodedata from datetime import datetime from django.conf import settings from django.contrib.auth.hashers import make_password from django.contrib.auth.models import AbstractBaseUser, BaseUserManager, \ PermissionsMixin from django.contrib.sites.models import Site from django.core.urlresolvers import reverse from django.core.validators import RegexValidator from django.db import models, IntegrityError from django.utils.crypto import get_random_string from django.utils.translation import ugettext_lazy as _ from django.core.exceptions import ValidationError from utils.mailer import BaseEmail from utils.mailer import DigitalGlarusRegistrationMailer from utils.stripe_utils import StripeUtils from utils.ldap_manager import LdapManager logger = logging.getLogger(__name__) REGISTRATION_MESSAGE = {'subject': "Validation mail", 'message': 'Please validate Your account under this link ' 'http://localhost:8000/en-us/digitalglarus/login/validate/{}', 'from': 'test@test.com'} def get_anonymous_user_instance(CustomUser): return CustomUser(name='Anonymous', email='anonymous@ungleich.ch', validation_slug=make_password(None)) class MyUserManager(BaseUserManager): def create_user(self, email, name, password=None): """ Creates and saves a User with the given email,name and password. """ if not email: raise ValueError('Users must have an email address') user = self.model( email=self.normalize_email(email), name=name, validation_slug=make_password(None) ) user.is_admin = False user.set_password(password) user.save(using=self._db) user.create_ldap_account(password) return user def create_superuser(self, email, name, password): """ Creates and saves a superuser with the given email, name and password. """ user = self.create_user(email, password=password, name=name, ) user.is_admin = True user.is_active = True user.is_superuser = True user.save(using=self._db) return user def get_validation_slug(): return make_password(None) def get_first_and_last_name(full_name): first_name, *last_name = full_name.split(" ") last_name = " ".join(last_name) return first_name, last_name def assign_username(user): if not user.username: ldap_manager = LdapManager() # Try to come up with a username first_name, last_name = get_first_and_last_name(user.name) user.username = unicodedata.normalize('NFKD', first_name + last_name) user.username = "".join([char for char in user.username if char.isalnum()]).lower() exist = True while exist: # Check if it exists exist, entries = ldap_manager.check_user_exists(user.username) if exist: # If username exists in ldap, come up with a new user name and check it again user.username = user.username + str(random.randint(0, 2 ** 10)) else: # If username does not exists in ldap, try to save it in database try: user.save() except IntegrityError: # If username exists in database then come up with a new username user.username = user.username + str(random.randint(0, 2 ** 10)) exist = True def validate_name(value): valid_chars = [char for char in value if (char.isalpha() or char == "-" or char == " ")] if len(valid_chars) < len(value): raise ValidationError( _('%(value)s is not a valid name. A valid name can only include letters, spaces or -'), params={'value': value}, ) class CustomUser(AbstractBaseUser, PermissionsMixin): VALIDATED_CHOICES = ((0, 'Not validated'), (1, 'Validated')) site = models.ForeignKey(Site, default=1) name = models.CharField(max_length=50, validators=[validate_name]) email = models.EmailField(unique=True) username = models.CharField(max_length=60, unique=True, null=True) validated = models.IntegerField(choices=VALIDATED_CHOICES, default=0) in_ldap = models.BooleanField(default=False) # By default, we initialize the validation_slug with appropriate value # This is required for User(page) admin validation_slug = models.CharField( db_index=True, unique=True, max_length=50, default=get_validation_slug ) is_admin = models.BooleanField( _('staff status'), default=False, help_text=_( 'Designates whether the user can log into this admin site.'), ) import_stripe_bill_remark = models.TextField( default="", help_text="Indicates any issues while importing stripe bills" ) objects = MyUserManager() USERNAME_FIELD = "email" REQUIRED_FIELDS = ['name', 'password'] @classmethod def register(cls, name, password, email, app='digital_glarus', base_url=None, send_email=True, account_details=None): user = cls.objects.filter(email=email).first() if not user: user = cls.objects.create_user(name=name, email=email, password=password) if user: if app == 'digital_glarus': dg = DigitalGlarusRegistrationMailer(user.validation_slug) dg.send_mail(to=user.email) elif app == 'dcl': dcl_text = settings.DCL_TEXT user.is_active = False if send_email is True: email_data = { 'subject': '{dcl_text} {account_activation}'.format( dcl_text=dcl_text, account_activation=_('Account Activation') ), 'from_address': settings.DCL_SUPPORT_FROM_ADDRESS, 'to': user.email, 'context': {'base_url': base_url, 'activation_link': reverse( 'hosting:validate', kwargs={ 'validate_slug': user.validation_slug}), 'dcl_text': dcl_text }, 'template_name': 'user_activation', 'template_path': 'datacenterlight/emails/' } if account_details: email_data['context'][ 'account_details'] = account_details email = BaseEmail(**email_data) email.send() return user else: return None else: return None @classmethod def get_all_members(cls): return cls.objects.filter( stripecustomer__membershiporder__isnull=False) @classmethod def validate_url(cls, validation_slug): user = cls.objects.filter(validation_slug=validation_slug).first() if user: user.validated = 1 user.save() return True return False @classmethod def get_random_password(cls): return get_random_string(24) def is_superuser(self): return False def get_full_name(self): # The user is identified by their email address return self.email def get_short_name(self): # The user is identified by their email address return self.email def create_ldap_account(self, password): # create ldap account for user if it does not exists already. if self.in_ldap: return assign_username(self) ldap_manager = LdapManager() try: user_exists_in_ldap, entries = ldap_manager.check_user_exists(self.username) except Exception: logger.exception("Exception occur while searching for user in LDAP") else: if not user_exists_in_ldap: # IF no ldap account first_name, last_name = get_first_and_last_name(self.name) if not last_name: last_name = first_name ldap_manager.create_user(self.username, password=password, firstname=first_name, lastname=last_name, email=self.email) self.in_ldap = True self.save() def __str__(self): # __unicode__ on Python 2 return self.email # def has_perm(self, perm, obj=None): # "Does the user have a specific permission?" # # Simplest possible answer: Yes, always # return self.is_admin def has_module_perms(self, app_label): "Does the user have permissions to view the app `app_label`?" # Simplest possible answer: Yes, always return self.is_admin @property def is_staff(self): "Is the user a member of staff?" # Simplest possible answer: All admins are staff return self.is_admin @is_staff.setter def is_staff(self, value): self._is_staff = value class StripeCustomer(models.Model): user = models.OneToOneField(CustomUser) stripe_id = models.CharField(unique=True, max_length=100) def __str__(self): return "%s - %s" % (self.stripe_id, self.user.email) @classmethod def create_stripe_api_customer(cls, email=None, token=None, customer_name=None): """ This method creates a Stripe API customer with the given email, token and customer_name. This is different from get_or_create method below in that it does not create a CustomUser and associate the customer created in stripe with it, while get_or_create does that before creating the stripe user. """ stripe_utils = StripeUtils() stripe_data = stripe_utils.create_customer(token, email, customer_name) if stripe_data.get('response_object'): stripe_cus_id = stripe_data.get('response_object').get('id') return stripe_cus_id else: return None @classmethod def get_or_create(cls, email=None, token=None): """ Check if there is a registered stripe customer with that email or create a new one """ try: stripe_utils = StripeUtils() stripe_customer = cls.objects.get(user__email=email) # check if user is not in stripe but in database customer = stripe_utils.check_customer(stripe_customer.stripe_id, stripe_customer.user, token) if "deleted" in customer and customer["deleted"]: raise StripeCustomer.DoesNotExist() return stripe_customer except StripeCustomer.DoesNotExist: user = CustomUser.objects.get(email=email) stripe_utils = StripeUtils() stripe_data = stripe_utils.create_customer(token, email, user.name) if stripe_data.get('response_object'): stripe_cus_id = stripe_data.get('response_object').get('id') if hasattr(user, 'stripecustomer'): # User already had a Stripe account and we are here # because the account was deleted in dashboard # So, we simply update the stripe_id user.stripecustomer.stripe_id = stripe_cus_id user.stripecustomer.save() stripe_customer = user.stripecustomer else: # The user never had an associated Stripe account # So, create one stripe_customer = StripeCustomer.objects.create( user=user, stripe_id=stripe_cus_id ) return stripe_customer else: return None class CreditCards(models.Model): name = models.CharField(max_length=50) user_id = models.ForeignKey(CustomUser, on_delete=models.CASCADE) card_number = models.CharField(max_length=50) expiry_date = models.CharField(max_length=50, validators=[ RegexValidator(r'\d{2}\/\d{4}', _( 'Use this pattern(MM/YYYY).'))]) ccv = models.CharField(max_length=4, validators=[ RegexValidator(r'\d{3,4}', _('Wrong CCV number.'))]) payment_type = models.CharField(max_length=5, default='N') def save(self, *args, **kwargs): # override saving to database pass class DeletedUser(models.Model): user_id = models.PositiveIntegerField() # why 254 ? => to be consistent with legacy code name = models.CharField(max_length=254) email = models.EmailField(unique=True, max_length=254) deleted_at = models.DateTimeField(auto_now_add=True) class Calendar(models.Model): datebooked = models.DateField() user = models.ForeignKey(CustomUser) def __init__(self, *args, **kwargs): if kwargs.get('datebooked'): user = kwargs.get('user') kwargs['datebooked'] = datetime.strptime( kwargs.get('datebooked', ''), '%d,%m,%Y') self.user_id = user.id super(Calendar, self).__init__(*args, **kwargs) @classmethod def add_dates(cls, dates, user): old_dates = Calendar.objects.filter(user_id=user.id) if old_dates: old_dates.delete() for date in dates: Calendar.objects.create(datebooked=date, user=user)