613 lines
23 KiB
Python
613 lines
23 KiB
Python
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import unicodedata
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import logging
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import random
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import os
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from django.db import models
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from django.contrib.auth.models import AbstractBaseUser, BaseUserManager, PermissionsMixin
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from django.contrib.sites.models import Site
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from django.core.exceptions import ValidationError
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from django.utils.translation import gettext_lazy as _
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from django.conf import settings
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from django.contrib.auth.hashers import make_password
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from django.urls import reverse
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from django.db import IntegrityError, models
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from guardian.shortcuts import assign_perm
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from .fields import CountryField
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from .mailer import BaseEmail
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from dynamicweb2.ldap_manager import LdapManager
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from dynamicweb2.stripe_utils import StripeUtils
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from django.utils.crypto import get_random_string
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from Crypto.PublicKey import RSA
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from django.utils.functional import cached_property
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# Create your models here.
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logger = logging.getLogger(__name__)
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def get_validation_slug():
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return make_password(None)
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def validate_name(value):
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valid_chars = [char for char in value if (char.isalpha() or char == "-" or char == " ")]
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if len(valid_chars) < len(value):
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raise ValidationError(
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_('%(value)s is not a valid name. A valid name can only include letters, spaces or -'),
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params={'value': value},
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)
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class MyUserManager(BaseUserManager):
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def create_user(self, email, name, password=None):
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"""
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Creates and saves a User with the given email,name and password.
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"""
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if not email:
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raise ValueError('Users must have an email address')
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user = self.model(
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email=self.normalize_email(email),
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name=name,
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validation_slug=make_password(None)
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)
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user.is_admin = False
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user.set_password(password)
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user.save(using=self._db)
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user.create_ldap_account(password)
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return user
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def create_superuser(self, email, name, password):
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"""
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Creates and saves a superuser with the given email, name and password.
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"""
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user = self.create_user(email,
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password=password,
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name=name,
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)
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user.is_admin = True
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user.is_active = True
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user.is_superuser = True
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user.save(using=self._db)
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return user
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class CustomUser(AbstractBaseUser, PermissionsMixin):
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VALIDATED_CHOICES = ((0, 'Not validated'), (1, 'Validated'))
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site = models.ForeignKey(Site, default=1, on_delete=models.CASCADE)
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name = models.CharField(max_length=50, validators=[validate_name])
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email = models.EmailField(unique=True)
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username = models.CharField(max_length=60, unique=True, null=True)
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validated = models.IntegerField(choices=VALIDATED_CHOICES, default=0)
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in_ldap = models.BooleanField(default=False)
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# By default, we initialize the validation_slug with appropriate value
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# This is required for User(page) admin
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validation_slug = models.CharField(
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db_index=True, unique=True, max_length=50,
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default=get_validation_slug
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)
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is_admin = models.BooleanField(
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_('staff status'),
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default=False,
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help_text=_(
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'Designates whether the user can log into this admin site.'),
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)
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import_stripe_bill_remark = models.TextField(
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default="",
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help_text="Indicates any issues while importing stripe bills"
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)
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objects = MyUserManager()
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USERNAME_FIELD = "email"
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REQUIRED_FIELDS = ['name', 'password']
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# Define the groups field with a related_name to avoid clash
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groups = models.ManyToManyField(
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'auth.Group',
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related_name='custom_user_set', # Define a unique related_name
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blank=True,
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verbose_name='groups',
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help_text='The groups this user belongs to.',
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)
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# Define the user_permissions field with a related_name to avoid clash
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user_permissions = models.ManyToManyField(
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'auth.Permission',
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related_name='custom_user_permission_set', # Define a unique related_name
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blank=True,
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verbose_name='user permissions',
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help_text='Specific permissions for this user.',
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)
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@classmethod
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def register(cls, name, password, email, app='digital_glarus',
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base_url=None, send_email=True, account_details=None):
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user = cls.objects.filter(email=email).first()
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if not user:
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user = cls.objects.create_user(name=name, email=email,
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password=password)
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if user:
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if app == 'dcl':
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dcl_text = settings.DCL_TEXT
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user.is_active = False
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if send_email is True:
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email_data = {
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'subject': '{dcl_text} {account_activation}'.format(
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dcl_text=dcl_text,
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account_activation=_('Account Activation')
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),
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'from_address': settings.DCL_SUPPORT_FROM_ADDRESS,
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'to': user.email,
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'context': {'base_url': base_url,
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'activation_link': reverse(
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'hosting:validate',
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kwargs={
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'validate_slug': user.validation_slug}),
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'dcl_text': dcl_text
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},
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'template_name': 'user_activation',
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'template_path': 'datacenterlight/emails/'
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}
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if account_details:
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email_data['context'][
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'account_details'] = account_details
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email = BaseEmail(**email_data)
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email.send()
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return user
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else:
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return None
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else:
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return None
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@classmethod
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def get_all_members(cls):
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return cls.objects.filter(
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stripecustomer__membershiporder__isnull=False)
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@classmethod
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def validate_url(cls, validation_slug):
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user = cls.objects.filter(validation_slug=validation_slug).first()
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if user:
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user.validated = 1
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user.save()
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return True
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return False
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@classmethod
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def get_random_password(cls):
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return get_random_string(24)
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def is_superuser(self):
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return False
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def get_full_name(self):
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# The user is identified by their email address
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return self.email
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def get_short_name(self):
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# The user is identified by their email address
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return self.email
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def get_first_and_last_name(self, full_name):
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first_name, *last_name = full_name.split(" ")
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last_name = " ".join(last_name)
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return first_name, last_name
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def assign_username(self, user):
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if not user.username:
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ldap_manager = LdapManager()
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# Try to come up with a username
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first_name, last_name = self.get_first_and_last_name(user.name)
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user.username = unicodedata.normalize('NFKD', first_name + last_name)
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user.username = "".join([char for char in user.username if char.isalnum()]).lower()
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exist = True
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while exist:
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# Check if it exists
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exist, entries = ldap_manager.check_user_exists(user.username)
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if exist:
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# If username exists in ldap, come up with a new user name and check it again
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user.username = user.username + str(random.randint(0, 2 ** 10))
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else:
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# If username does not exists in ldap, try to save it in database
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try:
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user.save()
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except IntegrityError:
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# If username exists in database then come up with a new username
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user.username = user.username + str(random.randint(0, 2 ** 10))
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exist = True
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def create_ldap_account(self, password):
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# create ldap account for user if it does not exists already.
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if self.in_ldap:
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return
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self.assign_username(self)
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ldap_manager = LdapManager()
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try:
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user_exists_in_ldap, entries = ldap_manager.check_user_exists(self.username)
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except Exception:
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logger.exception("Exception occur while searching for user in LDAP")
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else:
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if not user_exists_in_ldap:
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# IF no ldap account
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first_name, last_name = self.get_first_and_last_name(self.name)
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if not last_name:
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last_name = first_name
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ldap_manager.create_user(self.username, password=password,
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firstname=first_name, lastname=last_name,
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email=self.email)
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else:
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# User exists already in LDAP, but with a dummy credential
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# We are here implies that the user has successfully
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# authenticated against Django db, and a corresponding user
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# exists in LDAP.
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# We just update the LDAP credentials once again, assuming it
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# was set to a dummy value while migrating users from Django to
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# LDAP
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ldap_manager.change_password(self.username, password)
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self.in_ldap = True
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self.save()
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def __str__(self): # __unicode__ on Python 2
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return self.email
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# def has_perm(self, perm, obj=None):
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# "Does the user have a specific permission?"
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# # Simplest possible answer: Yes, always
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# return self.is_admin
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def has_module_perms(self, app_label):
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"Does the user have permissions to view the app `app_label`?"
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# Simplest possible answer: Yes, always
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return self.is_admin
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@property
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def is_staff(self):
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"Is the user a member of staff?"
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# Simplest possible answer: All admins are staff
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return self.is_admin
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@is_staff.setter
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def is_staff(self, value):
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self._is_staff = value
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class StripeCustomer(models.Model):
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user = models.OneToOneField(CustomUser, on_delete=models.CASCADE)
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stripe_id = models.CharField(unique=True, max_length=100)
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def __str__(self):
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return "%s - %s" % (self.stripe_id, self.user.email)
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@classmethod
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def create_stripe_api_customer(cls, email=None, id_payment_method=None,
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customer_name=None):
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"""
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This method creates a Stripe API customer with the given
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email, token and customer_name. This is different from
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get_or_create method below in that it does not create a
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CustomUser and associate the customer created in stripe
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with it, while get_or_create does that before creating the
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stripe user.
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"""
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stripe_utils = StripeUtils()
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stripe_data = stripe_utils.create_customer(
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id_payment_method, email, customer_name)
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if stripe_data.get('response_object'):
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stripe_cus_id = stripe_data.get('response_object').get('id')
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return stripe_cus_id
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else:
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return None
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@classmethod
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def get_or_create(cls, email=None, token=None, id_payment_method=None):
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"""
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Check if there is a registered stripe customer with that email
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or create a new one
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"""
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try:
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stripe_utils = StripeUtils()
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stripe_customer = cls.objects.get(user__email=email)
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# check if user is not in stripe but in database
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customer = stripe_utils.check_customer(stripe_customer.stripe_id,
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stripe_customer.user, token)
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if "deleted" in customer and customer["deleted"]:
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raise StripeCustomer.DoesNotExist()
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return stripe_customer
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except StripeCustomer.DoesNotExist:
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user = CustomUser.objects.get(email=email)
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stripe_utils = StripeUtils()
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stripe_data = stripe_utils.create_customer(token, email, user.name)
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if stripe_data.get('response_object'):
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stripe_cus_id = stripe_data.get('response_object').get('id')
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if hasattr(user, 'stripecustomer'):
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# User already had a Stripe account and we are here
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# because the account was deleted in dashboard
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# So, we simply update the stripe_id
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user.stripecustomer.stripe_id = stripe_cus_id
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user.stripecustomer.save()
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stripe_customer = user.stripecustomer
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else:
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# The user never had an associated Stripe account
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# So, create one
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stripe_customer = StripeCustomer.objects.create(
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user=user, stripe_id=stripe_cus_id
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)
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return stripe_customer
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else:
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return None
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class BaseBillingAddress(models.Model):
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cardholder_name = models.CharField(max_length=100, default="")
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street_address = models.CharField(max_length=100)
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city = models.CharField(max_length=50)
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postal_code = models.CharField(max_length=50)
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country = CountryField()
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vat_number = models.CharField(max_length=100, default="", blank=True)
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stripe_tax_id = models.CharField(max_length=100, default="", blank=True)
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vat_number_validated_on = models.DateTimeField(blank=True, null=True)
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vat_validation_status = models.CharField(max_length=25, default="",
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blank=True)
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class Meta:
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abstract = True
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class BillingAddress(BaseBillingAddress):
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def __str__(self):
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if self.vat_number:
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return "%s, %s, %s, %s, %s, %s %s %s %s" % (
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self.cardholder_name, self.street_address, self.city,
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self.postal_code, self.country, self.vat_number,
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self.stripe_tax_id, self.vat_number_validated_on,
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self.vat_validation_status
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)
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else:
|
||
|
|
return "%s, %s, %s, %s, %s" % (
|
||
|
|
self.cardholder_name, self.street_address, self.city,
|
||
|
|
self.postal_code, self.country
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class UserBillingAddress(BaseBillingAddress):
|
||
|
|
user = models.ForeignKey(CustomUser, related_name='billing_addresses', on_delete=models.CASCADE)
|
||
|
|
current = models.BooleanField(default=True)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
if self.vat_number:
|
||
|
|
return "%s, %s, %s, %s, %s, %s %s %s %s" % (
|
||
|
|
self.cardholder_name, self.street_address, self.city,
|
||
|
|
self.postal_code, self.country, self.vat_number,
|
||
|
|
self.stripe_tax_id, self.vat_number_validated_on,
|
||
|
|
self.vat_validation_status
|
||
|
|
)
|
||
|
|
else:
|
||
|
|
return "%s, %s, %s, %s, %s" % (
|
||
|
|
self.cardholder_name, self.street_address, self.city,
|
||
|
|
self.postal_code, self.country
|
||
|
|
)
|
||
|
|
|
||
|
|
def to_dict(self):
|
||
|
|
return {
|
||
|
|
'Cardholder Name': self.cardholder_name,
|
||
|
|
'Street Address': self.street_address,
|
||
|
|
'City': self.city,
|
||
|
|
'Postal Code': self.postal_code,
|
||
|
|
'Country': self.country,
|
||
|
|
'VAT Number': self.vat_number
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
class AssignPermissionsMixin(object):
|
||
|
|
permissions = tuple()
|
||
|
|
user = None
|
||
|
|
obj = None
|
||
|
|
kwargs = dict()
|
||
|
|
|
||
|
|
def assign_permissions(self, user):
|
||
|
|
for permission in self.permissions:
|
||
|
|
assign_perm(permission, user, self)
|
||
|
|
|
||
|
|
|
||
|
|
class OrderDetail(AssignPermissionsMixin, models.Model):
|
||
|
|
# vm_template = models.ForeignKey(
|
||
|
|
# VMTemplate, blank=True, null=True, default=None,
|
||
|
|
# on_delete=models.SET_NULL
|
||
|
|
# )
|
||
|
|
cores = models.IntegerField(default=0)
|
||
|
|
memory = models.IntegerField(default=0)
|
||
|
|
hdd_size = models.IntegerField(default=0)
|
||
|
|
ssd_size = models.IntegerField(default=0)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return "Not available" if self.vm_template is None else (
|
||
|
|
"%s - %s, %s cores, %s GB RAM, %s GB SSD" % (
|
||
|
|
self.vm_template.name, self.vm_template.vm_type, self.cores,
|
||
|
|
self.memory, self.ssd_size
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class GenericProduct(AssignPermissionsMixin, models.Model):
|
||
|
|
permissions = ('view_genericproduct',)
|
||
|
|
product_name = models.CharField(max_length=128, default="")
|
||
|
|
product_slug = models.SlugField(
|
||
|
|
unique=True,
|
||
|
|
help_text=(
|
||
|
|
'An mandatory unique slug for the product'
|
||
|
|
)
|
||
|
|
)
|
||
|
|
product_description = models.CharField(max_length=500, default="")
|
||
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
||
|
|
product_price = models.DecimalField(max_digits=6, decimal_places=2)
|
||
|
|
product_vat = models.DecimalField(max_digits=6, decimal_places=4, default=0)
|
||
|
|
product_is_subscription = models.BooleanField(default=True)
|
||
|
|
product_subscription_interval = models.CharField(
|
||
|
|
max_length=10, default="month",
|
||
|
|
help_text="Choose between `year` and `month`")
|
||
|
|
exclude_vat_calculations = models.BooleanField(
|
||
|
|
default=False,
|
||
|
|
help_text="When checked VAT calculations are excluded for this product"
|
||
|
|
)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return self.product_name
|
||
|
|
|
||
|
|
def get_actual_price(self, vat_rate=None):
|
||
|
|
if self.exclude_vat_calculations:
|
||
|
|
return round(float(self.product_price), 2)
|
||
|
|
else:
|
||
|
|
VAT = vat_rate if vat_rate is not None else self.product_vat
|
||
|
|
return round(
|
||
|
|
float(self.product_price) + float(self.product_price) * float(VAT), 2
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class HostingOrder(AssignPermissionsMixin, models.Model):
|
||
|
|
ORDER_APPROVED_STATUS = 'Approved'
|
||
|
|
ORDER_DECLINED_STATUS = 'Declined'
|
||
|
|
|
||
|
|
vm_id = models.IntegerField(default=0)
|
||
|
|
customer = models.ForeignKey(StripeCustomer, on_delete=models.CASCADE)
|
||
|
|
billing_address = models.ForeignKey(BillingAddress, on_delete=models.CASCADE)
|
||
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
||
|
|
approved = models.BooleanField(default=False)
|
||
|
|
last4 = models.CharField(max_length=4)
|
||
|
|
cc_brand = models.CharField(max_length=128)
|
||
|
|
stripe_charge_id = models.CharField(max_length=100, null=True)
|
||
|
|
price = models.FloatField()
|
||
|
|
subscription_id = models.CharField(max_length=100, null=True)
|
||
|
|
# vm_pricing = models.ForeignKey(VMPricing)
|
||
|
|
order_detail = models.ForeignKey(
|
||
|
|
OrderDetail, null=True, blank=True, default=None,
|
||
|
|
on_delete=models.SET_NULL
|
||
|
|
)
|
||
|
|
generic_product = models.ForeignKey(
|
||
|
|
GenericProduct, null=True, blank=True, default=None,
|
||
|
|
on_delete=models.SET_NULL
|
||
|
|
)
|
||
|
|
generic_payment_description = models.CharField(
|
||
|
|
max_length=500, null=True
|
||
|
|
)
|
||
|
|
permissions = ('u_view_hostingorder',)
|
||
|
|
|
||
|
|
class Meta:
|
||
|
|
permissions = (
|
||
|
|
('u_view_hostingorder', 'View Hosting Order'),
|
||
|
|
)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
hosting_order_str = ("Order Nr: #{} - VM_ID: {} - {} - {} - "
|
||
|
|
"Specs: {} - Price: {}").format(
|
||
|
|
self.id, self.vm_id, self.customer.user.email, self.created_at,
|
||
|
|
self.order_detail, self.price
|
||
|
|
)
|
||
|
|
if self.generic_product_id is not None:
|
||
|
|
hosting_order_str += " - Generic Payment"
|
||
|
|
if self.stripe_charge_id is not None:
|
||
|
|
hosting_order_str += " - One time charge"
|
||
|
|
else:
|
||
|
|
hosting_order_str += " - Recurring"
|
||
|
|
return hosting_order_str
|
||
|
|
|
||
|
|
@cached_property
|
||
|
|
def status(self):
|
||
|
|
return self.ORDER_APPROVED_STATUS if self.approved else self.ORDER_DECLINED_STATUS
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def create(cls, price=None, vm_id=0, customer=None,
|
||
|
|
billing_address=None, vm_pricing=None):
|
||
|
|
instance = cls.objects.create(
|
||
|
|
price=price,
|
||
|
|
vm_id=vm_id,
|
||
|
|
customer=customer,
|
||
|
|
billing_address=billing_address,
|
||
|
|
vm_pricing=vm_pricing
|
||
|
|
)
|
||
|
|
instance.assign_permissions(customer.user)
|
||
|
|
return instance
|
||
|
|
|
||
|
|
def set_approved(self):
|
||
|
|
self.approved = True
|
||
|
|
self.save()
|
||
|
|
|
||
|
|
def set_stripe_charge(self, stripe_charge):
|
||
|
|
self.stripe_charge_id = stripe_charge.id
|
||
|
|
if stripe_charge.source is None:
|
||
|
|
self.last4 = stripe_charge.payment_method_details.card.last4
|
||
|
|
self.cc_brand = stripe_charge.payment_method_details.card.brand
|
||
|
|
else:
|
||
|
|
self.last4 = stripe_charge.source.last4
|
||
|
|
self.cc_brand = stripe_charge.source.brand
|
||
|
|
self.save()
|
||
|
|
|
||
|
|
def set_subscription_id(self, subscription_id, cc_details):
|
||
|
|
"""
|
||
|
|
When creating a Stripe subscription, we have subscription id.
|
||
|
|
We store this in the subscription_id field.
|
||
|
|
This method sets the subscription id
|
||
|
|
and the last4 and credit card brands used for this order.
|
||
|
|
|
||
|
|
:param subscription_id: Stripe's subscription id
|
||
|
|
:param cc_details: A dict containing card details
|
||
|
|
{last4, brand}
|
||
|
|
:return:
|
||
|
|
"""
|
||
|
|
self.subscription_id = subscription_id
|
||
|
|
self.last4 = cc_details.get('last4')
|
||
|
|
self.cc_brand = cc_details.get('brand')
|
||
|
|
self.save()
|
||
|
|
|
||
|
|
def get_cc_data(self):
|
||
|
|
return {
|
||
|
|
'last4': self.last4,
|
||
|
|
'cc_brand': self.cc_brand,
|
||
|
|
} if self.last4 and self.cc_brand else None
|
||
|
|
|
||
|
|
|
||
|
|
class UserHostingKey(models.Model):
|
||
|
|
user = models.ForeignKey(CustomUser, blank=True, null=True, on_delete=models.CASCADE)
|
||
|
|
public_key = models.TextField()
|
||
|
|
private_key = models.FileField(upload_to='private_keys', blank=True)
|
||
|
|
created_at = models.DateTimeField(auto_now_add=True)
|
||
|
|
name = models.CharField(max_length=100)
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def generate_RSA(bits=2048):
|
||
|
|
'''
|
||
|
|
Generate an RSA keypair with an exponent of 65537 in PEM format
|
||
|
|
param: bits The key length in bits
|
||
|
|
Return private key and public key
|
||
|
|
'''
|
||
|
|
new_key = RSA.generate(2048, os.urandom)
|
||
|
|
public_key = new_key.publickey().exportKey("OpenSSH")
|
||
|
|
private_key = new_key.exportKey("PEM")
|
||
|
|
return private_key, public_key
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def generate_keys(cls):
|
||
|
|
private_key, public_key = cls.generate_RSA()
|
||
|
|
# self.public_key = public_key
|
||
|
|
# self.save(update_fields=['public_key'])
|
||
|
|
return private_key, public_key
|
||
|
|
|
||
|
|
def delete(self, *args, **kwargs):
|
||
|
|
if bool(self.private_key) and os.path.isfile(self.private_key.path):
|
||
|
|
logger.debug("Removing private key {}".format(self.private_key.path))
|
||
|
|
os.remove(self.private_key.path)
|
||
|
|
else:
|
||
|
|
logger.debug("No private_key to remove")
|
||
|
|
|
||
|
|
super(UserHostingKey, self).delete(*args, **kwargs)
|
||
|
|
|
||
|
|
|
||
|
|
def get_anonymous_user_instance(CustomUser):
|
||
|
|
return CustomUser(email='anonymous@ungleich.ch')
|
||
|
|
|