dynamicweb/hosting/views.py

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import logging
import uuid
from datetime import datetime
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from time import sleep
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from django import forms
from django.conf import settings
from django.contrib import messages
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.auth.tokens import default_token_generator
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from django.core.exceptions import ValidationError
from django.core.files.base import ContentFile
from django.core.urlresolvers import reverse_lazy, reverse
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from django.http import (
Http404, HttpResponseRedirect, HttpResponse, JsonResponse
)
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from django.shortcuts import redirect, render
from django.utils.decorators import method_decorator
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from django.utils.html import escape
from django.utils.http import urlsafe_base64_decode
from django.utils.safestring import mark_safe
from django.utils.translation import get_language, ugettext_lazy as _
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from django.utils.translation import ugettext
from django.views.decorators.cache import never_cache
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from django.views.generic import (
View, CreateView, FormView, ListView, DetailView, DeleteView,
TemplateView, UpdateView
)
from guardian.mixins import PermissionRequiredMixin
from oca.pool import WrongIdError
from stored_messages.api import mark_read
from stored_messages.models import Message
from stored_messages.settings import stored_messages_settings
from datacenterlight.cms_models import DCLCalculatorPluginModel
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from datacenterlight.models import VMTemplate, VMPricing
from datacenterlight.utils import create_vm, get_cms_integration
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from hosting.models import UserCardDetail
from membership.models import CustomUser, StripeCustomer
from opennebula_api.models import OpenNebulaManager
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from opennebula_api.serializers import (
VirtualMachineSerializer, VirtualMachineTemplateSerializer,
VMTemplateSerializer
)
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from utils.forms import (
BillingAddressForm, PasswordResetRequestForm, UserBillingAddressForm,
ResendActivationEmailForm
)
from utils.hosting_utils import get_vm_price_with_vat, HostingUtils
from utils.mailer import BaseEmail
from utils.stripe_utils import StripeUtils
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from utils.tasks import send_plain_email_task
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from utils.views import (
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PasswordResetViewMixin, PasswordResetConfirmViewMixin, LoginViewMixin,
ResendActivationLinkViewMixin
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)
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from .forms import (
HostingUserSignupForm, HostingUserLoginForm, UserHostingKeyForm,
generate_ssh_key_name
)
from .mixins import ProcessVMSelectionMixin, HostingContextMixin
from .models import (
HostingOrder, HostingBill, HostingPlan, UserHostingKey, VMDetail,
GenericProduct
)
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logger = logging.getLogger(__name__)
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CONNECTION_ERROR = "Your VMs cannot be displayed at the moment due to a \
backend connection error. please try again in a few \
minutes."
decorators = [never_cache]
class DashboardView(LoginRequiredMixin, View):
template_name = "hosting/dashboard.html"
login_url = reverse_lazy('hosting:login')
def get_context_data(self, **kwargs):
context = {}
return context
@method_decorator(decorators)
def get(self, request, *args, **kwargs):
context = self.get_context_data()
return render(request, self.template_name, context)
class DjangoHostingView(ProcessVMSelectionMixin, View):
template_name = "hosting/django.html"
def get_context_data(self, **kwargs):
HOSTING = 'django'
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templates = OpenNebulaManager().get_templates()
data = VirtualMachineTemplateSerializer(templates, many=True).data
configuration_options = HostingPlan.get_serialized_configs()
context = {
'hosting': HOSTING,
'hosting_long': "Django",
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# 'configuration_detail': configuration_detail,
'domain': "django-hosting.ch",
'google_analytics': "UA-62285904-6",
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'vm_types': data,
'email': "info@django-hosting.ch",
'configuration_options': configuration_options,
'templates': templates,
}
return context
def get(self, request, *args, **kwargs):
request.session['hosting_url'] = reverse('hosting:djangohosting')
context = self.get_context_data()
return render(request, self.template_name, context)
class RailsHostingView(ProcessVMSelectionMixin, View):
template_name = "hosting/rails.html"
def get_context_data(self, **kwargs):
HOSTING = 'rails'
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templates = OpenNebulaManager().get_templates()
configuration_options = HostingPlan.get_serialized_configs()
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context = {
'hosting': HOSTING,
'hosting_long': "Ruby On Rails",
'domain': "rails-hosting.ch",
'google_analytics': "UA-62285904-5",
'email': "info@rails-hosting.ch",
'configuration_options': configuration_options,
'templates': templates,
}
return context
def get(self, request, *args, **kwargs):
request.session['hosting_url'] = reverse('hosting:railshosting')
context = self.get_context_data()
return render(request, self.template_name, context)
class NodeJSHostingView(ProcessVMSelectionMixin, View):
template_name = "hosting/nodejs.html"
def get_context_data(self, **kwargs):
HOSTING = 'nodejs'
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templates = OpenNebulaManager().get_templates()
configuration_options = HostingPlan.get_serialized_configs()
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context = {
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'hosting': HOSTING,
'hosting_long': "NodeJS",
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# 'configuration_detail': configuration_detail,
'domain': "node-hosting.ch",
'google_analytics': "UA-62285904-7",
'email': "info@node-hosting.ch",
'templates': templates,
'configuration_options': configuration_options,
}
return context
def get(self, request, *args, **kwargs):
request.session['hosting_url'] = reverse('hosting:nodejshosting')
context = self.get_context_data()
return render(request, self.template_name, context)
class HostingPricingView(ProcessVMSelectionMixin, View):
template_name = "hosting/hosting_pricing.html"
def get_context_data(self, **kwargs):
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# configuration_options = dict(VirtualMachinePlan.VM_CONFIGURATION)
templates = OpenNebulaManager().get_templates()
configuration_options = HostingPlan.get_serialized_configs()
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context = {
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# 'configuration_options': configuration_options,
'email': "info@django-hosting.ch",
'templates': templates,
'configuration_options': configuration_options,
}
return context
def get(self, request, *args, **kwargs):
request.session['hosting_url'] = reverse('hosting:djangohosting')
context = self.get_context_data()
return render(request, self.template_name, context)
class IndexView(View):
template_name = "hosting/index.html"
def get_context_data(self, **kwargs):
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templates = OpenNebulaManager().get_templates()
data = VirtualMachineTemplateSerializer(templates, many=True).data
context = {
'hosting': "nodejs",
'hosting_long': "NodeJS",
'domain': "node-hosting.ch",
'google_analytics': "UA-62285904-7",
'email': "info@node-hosting.ch",
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'vm_types': data
# 'vm_types': VirtualMachineType.get_serialized_vm_types(),
}
return context
@method_decorator(decorators)
def get(self, request, *args, **kwargs):
context = self.get_context_data()
return render(request, self.template_name, context)
class LoginView(HostingContextMixin, LoginViewMixin):
template_name = "hosting/login.html"
form_class = HostingUserLoginForm
success_url = reverse_lazy('hosting:dashboard')
class SignupView(HostingContextMixin, CreateView):
template_name = 'hosting/signup.html'
form_class = HostingUserSignupForm
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model = CustomUser
success_url = reverse_lazy('hosting:dashboard')
def get_success_url(self):
next_url = self.request.session.get(
'next', self.success_url)
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return next_url
def form_valid(self, form):
name = form.cleaned_data.get('name')
email = form.cleaned_data.get('email')
password = form.cleaned_data.get('password')
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this_base_url = "{0}://{1}".format(self.request.scheme,
self.request.get_host())
CustomUser.register(name, password, email,
app='dcl', base_url=this_base_url)
return HttpResponseRedirect(reverse_lazy('hosting:signup-validate'))
@method_decorator(decorators)
def get(self, request, *args, **kwargs):
if self.request.user.is_authenticated():
return HttpResponseRedirect(self.get_success_url())
return super(SignupView, self).get(request, *args, **kwargs)
class SignupValidateView(HostingContextMixin, TemplateView):
template_name = "hosting/signup_validate.html"
def get_context_data(self, **kwargs):
context = super(SignupValidateView, self).get_context_data(**kwargs)
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login_url = '<a href="' + \
reverse('hosting:login') + '">' + str(_('login')) + '</a>'
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home_url = '<a href="' + \
reverse('datacenterlight:index') + '">Data Center Light</a>'
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message = '{signup_success_message} {lurl}</a> \
<br />{go_back} {hurl}.'.format(
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signup_success_message=_(
'Thank you for signing up. We have sent an email to you. '
'Please follow the instructions in it to activate your '
'account. Once activated, you can login using'),
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go_back=_('Go back to'),
lurl=login_url,
hurl=home_url
)
context['message'] = mark_safe(message)
context['section_title'] = _('Sign up')
return context
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class SignupValidatedView(SignupValidateView, HostingContextMixin):
template_name = "hosting/signup_validate.html"
def get_context_data(self, **kwargs):
context = super(SignupValidateView, self).get_context_data(**kwargs)
validated = CustomUser.validate_url(self.kwargs['validate_slug'])
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login_url = '<a href="' + \
reverse('hosting:login') + '">' + str(_('login')) + '</a>'
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section_title = _('Account activation')
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user = CustomUser.objects.filter(
validation_slug=self.kwargs['validate_slug']).first()
if validated:
message = ('{account_activation_string} <br />'
' {login_string} {lurl}.').format(
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account_activation_string=_(
"Your account has been activated."),
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login_string=_("You can now"),
lurl=login_url)
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email_data = {
'subject': _('Welcome to Data Center Light!'),
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'to': user.email,
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'context': {
'base_url': "{0}://{1}".format(
self.request.scheme,
self.request.get_host()
)
},
'template_name': 'welcome_user',
'template_path': 'datacenterlight/emails/',
'from_address': settings.DCL_SUPPORT_FROM_ADDRESS,
}
email = BaseEmail(**email_data)
email.send()
else:
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home_url = '<a href="' + \
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reverse('datacenterlight:cms_index') + \
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'">Data Center Light</a>'
message = '{sorry_message} <br />{go_back_to} {hurl}'.format(
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sorry_message=_("Sorry. Your request is invalid."),
go_back_to=_('Go back to'),
hurl=home_url
)
context['message'] = mark_safe(message)
context['section_title'] = section_title
return context
@method_decorator(decorators)
def get(self, request, *args, **kwargs):
if self.request.user.is_authenticated():
return HttpResponseRedirect(reverse_lazy('hosting:dashboard'))
return super(SignupValidatedView, self).get(request, *args, **kwargs)
class ResendActivationEmailView(HostingContextMixin,
ResendActivationLinkViewMixin):
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template_name = 'hosting/resend_activation_link.html'
form_class = ResendActivationEmailForm
success_url = reverse_lazy('hosting:login')
email_template_path = 'datacenterlight/emails/'
email_template_name = 'user_activation'
class PasswordResetView(HostingContextMixin, PasswordResetViewMixin):
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site = 'dcl'
template_name = 'hosting/reset_password.html'
form_class = PasswordResetRequestForm
success_url = reverse_lazy('hosting:login')
template_email_path = 'hosting/emails/'
class PasswordResetConfirmView(HostingContextMixin,
PasswordResetConfirmViewMixin):
template_name = 'hosting/confirm_reset_password.html'
success_url = reverse_lazy('hosting:login')
def post(self, request, uidb64=None, token=None, *arg, **kwargs):
try:
uid = urlsafe_base64_decode(uidb64)
user = CustomUser.objects.get(pk=uid)
opennebula_client = OpenNebulaManager(
email=user.email,
password=user.password,
)
except (TypeError, ValueError, OverflowError, CustomUser.DoesNotExist):
user = None
opennebula_client = None
form = self.form_class(request.POST)
if user is not None and default_token_generator.check_token(user,
token):
if form.is_valid():
new_password = form.cleaned_data['new_password2']
user.set_password(new_password)
user.save()
messages.success(request, _('Password has been reset.'))
# Change opennebula password
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opennebula_client.change_user_password(user.password)
return self.form_valid(form)
else:
messages.error(
request, _('Password reset has not been successful.'))
form.add_error(None,
_('Password reset has not been successful.'))
return self.form_invalid(form)
else:
error_msg = _('The reset password link is no longer valid.')
messages.error(request, _(error_msg))
form.add_error(None, error_msg)
return self.form_invalid(form)
class NotificationsView(LoginRequiredMixin, TemplateView):
template_name = 'hosting/notifications.html'
login_url = reverse_lazy('hosting:login')
def get_context_data(self, **kwargs):
context = super(NotificationsView, self).get_context_data(**kwargs)
backend = stored_messages_settings.STORAGE_BACKEND()
unread_notifications = backend.inbox_list(self.request.user)
read_notifications = backend.archive_list(self.request.user)
context.update({
'unread_notifications': unread_notifications,
'all_notifications': read_notifications + unread_notifications
})
return context
class MarkAsReadNotificationView(LoginRequiredMixin, UpdateView):
model = Message
success_url = reverse_lazy('hosting:notifications')
login_url = reverse_lazy('hosting:login')
fields = '__all__'
def post(self, *args, **kwargs):
message = self.get_object()
backend = stored_messages_settings.STORAGE_BACKEND()
backend.archive_store([self.request.user], message)
mark_read(self.request.user, message)
return HttpResponseRedirect(reverse('hosting:notifications'))
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class SSHKeyDeleteView(LoginRequiredMixin, DeleteView):
login_url = reverse_lazy('hosting:login')
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success_url = reverse_lazy('hosting:ssh_keys')
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model = UserHostingKey
def get_object(self, queryset=None):
""" Hook to ensure UserHostingKey object is owned by request.user.
We reply with a Http404 if the user is not the owner of the key.
"""
obj = super(SSHKeyDeleteView, self).get_object()
if not obj.user == self.request.user:
raise Http404
return obj
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def delete(self, request, *args, **kwargs):
owner = self.request.user
manager = OpenNebulaManager(
email=owner.email,
password=owner.password
)
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pk = self.kwargs.get('pk')
# Get user ssh key
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public_key = UserHostingKey.objects.get(pk=pk).public_key
manager.manage_public_key([{'value': public_key, 'state': False}])
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return super(SSHKeyDeleteView, self).delete(request, *args, **kwargs)
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class SSHKeyListView(LoginRequiredMixin, ListView):
template_name = "hosting/user_keys.html"
login_url = reverse_lazy('hosting:login')
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context_object_name = "keys"
model = UserHostingKey
paginate_by = 10
ordering = '-id'
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def get_queryset(self):
user = self.request.user
self.queryset = UserHostingKey.objects.filter(user=user)
return super(SSHKeyListView, self).get_queryset()
@method_decorator(decorators)
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def render_to_response(self, context, **response_kwargs):
if not self.queryset:
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return HttpResponseRedirect(reverse('hosting:choice_ssh_keys'))
return super(SSHKeyListView, self).render_to_response(context,
**response_kwargs)
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class SSHKeyChoiceView(LoginRequiredMixin, View):
template_name = "hosting/choice_ssh_keys.html"
login_url = reverse_lazy('hosting:login')
@method_decorator(decorators)
def get(self, request, *args, **kwargs):
context = {}
return render(request, self.template_name, context)
@method_decorator(decorators)
def post(self, request, *args, **kwargs):
name = generate_ssh_key_name()
private_key, public_key = UserHostingKey.generate_keys()
content = ContentFile(private_key)
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ssh_key = UserHostingKey.objects.create(
user=request.user, public_key=public_key, name=name)
filename = name + '_' + str(uuid.uuid4())[:8] + '_private.pem'
ssh_key.private_key.save(filename, content)
owner = self.request.user
manager = OpenNebulaManager(
email=owner.email,
password=owner.password
)
public_key_str = public_key.decode()
manager.manage_public_key([{'value': public_key_str, 'state': True}])
return redirect(reverse_lazy('hosting:ssh_keys'), foo='bar')
@method_decorator(decorators, name='dispatch')
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class SSHKeyCreateView(LoginRequiredMixin, FormView):
form_class = UserHostingKeyForm
model = UserHostingKey
template_name = 'hosting/user_key.html'
login_url = reverse_lazy('hosting:login')
context_object_name = "virtual_machine"
success_url = reverse_lazy('hosting:ssh_keys')
def get_form_kwargs(self):
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kwargs = super(SSHKeyCreateView, self).get_form_kwargs()
kwargs.update({'request': self.request})
return kwargs
def form_valid(self, form):
form.save()
if settings.DCL_SSH_KEY_NAME_PREFIX in form.instance.name:
content = ContentFile(form.cleaned_data.get('private_key'))
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filename = form.cleaned_data.get(
'name') + '_' + str(uuid.uuid4())[:8] + '_private.pem'
form.instance.private_key.save(filename, content)
context = self.get_context_data()
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next_url = self.request.session.get(
'next',
reverse('hosting:create_virtual_machine')
)
if 'next' in self.request.session:
context.update({
'next_url': next_url
})
del (self.request.session['next'])
if form.cleaned_data.get('private_key'):
context.update({
'private_key': form.cleaned_data.get('private_key'),
'key_name': form.cleaned_data.get('name'),
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'form': UserHostingKeyForm(request=self.request),
})
owner = self.request.user
manager = OpenNebulaManager(
email=owner.email,
password=owner.password
)
public_key = form.cleaned_data['public_key']
if type(public_key) is bytes:
public_key = public_key.decode()
manager.manage_public_key([{'value': public_key, 'state': True}])
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return HttpResponseRedirect(self.success_url)
def post(self, request, *args, **kwargs):
form = self.get_form()
required = 'add_ssh' in self.request.POST
form.fields['name'].required = required
form.fields['public_key'].required = required
if form.is_valid():
return self.form_valid(form)
else:
return self.form_invalid(form)
@method_decorator(decorators, name='dispatch')
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class SettingsView(LoginRequiredMixin, FormView):
template_name = "hosting/settings.html"
login_url = reverse_lazy('hosting:login')
form_class = BillingAddressForm
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permission_required = ['view_usercarddetail']
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def get_form(self, form_class):
"""
Check if the user already saved contact details. If so, then show
the form populated with those details, to let user change them.
"""
return form_class(
instance=self.request.user.billing_addresses.first(),
**self.get_form_kwargs())
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def get_context_data(self, **kwargs):
context = super(SettingsView, self).get_context_data(**kwargs)
# Get user
user = self.request.user
stripe_customer = None
if hasattr(user, 'stripecustomer'):
stripe_customer = user.stripecustomer
cards_list = UserCardDetail.get_all_cards_list(
stripe_customer=stripe_customer
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)
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context.update({
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'cards_list': cards_list,
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'stripe_key': settings.STRIPE_API_PUBLIC_KEY
})
return context
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def post(self, request, *args, **kwargs):
if 'card' in request.POST and request.POST['card'] is not '':
card_id = escape(request.POST['card'])
user_card_detail = UserCardDetail.objects.get(id=card_id)
UserCardDetail.set_default_card(
stripe_api_cus_id=request.user.stripecustomer.stripe_id,
stripe_source_id=user_card_detail.card_id
)
msg = _(
("Your {brand} card ending in {last4} set as "
"default card").format(
brand=user_card_detail.brand,
last4=user_card_detail.last4
)
)
messages.add_message(request, messages.SUCCESS, msg)
return HttpResponseRedirect(reverse_lazy('hosting:settings'))
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if 'delete_card' in request.POST:
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try:
card = UserCardDetail.objects.get(pk=self.kwargs.get('pk'))
if (request.user.has_perm(self.permission_required[0], card)
and
request.user
.stripecustomer
.usercarddetail_set
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.count() > 1):
if card.card_id is not None:
stripe_utils = StripeUtils()
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stripe_utils.dissociate_customer_card(
request.user.stripecustomer.stripe_id,
card.card_id
)
if card.preferred:
UserCardDetail.set_default_card_from_stripe(
request.user.stripecustomer.stripe_id
)
card.delete()
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msg = _("Card deassociation successful")
messages.add_message(request, messages.SUCCESS, msg)
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else:
msg = _("You are not permitted to do this operation")
messages.add_message(request, messages.ERROR, msg)
except UserCardDetail.DoesNotExist:
msg = _("The selected card does not exist")
messages.add_message(request, messages.ERROR, msg)
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return HttpResponseRedirect(reverse_lazy('hosting:settings'))
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form = self.get_form()
if form.is_valid():
if 'billing-form' in request.POST:
billing_address_data = form.cleaned_data
billing_address_data.update({
'user': self.request.user.id
})
billing_address_user_form = UserBillingAddressForm(
instance=self.request.user.billing_addresses.first(),
data=billing_address_data)
billing_address_user_form.save()
msg = _("Billing address updated successfully")
messages.add_message(request, messages.SUCCESS, msg)
else:
token = form.cleaned_data.get('token')
stripe_utils = StripeUtils()
card_details = stripe_utils.get_cards_details_from_token(
token
)
if not card_details.get('response_object'):
form.add_error("__all__", card_details.get('error'))
return self.render_to_response(self.get_context_data())
stripe_customer = StripeCustomer.get_or_create(
email=request.user.email, token=token
)
card = card_details['response_object']
if UserCardDetail.get_user_card_details(stripe_customer, card):
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msg = _('You seem to have already added this card')
messages.add_message(request, messages.ERROR, msg)
else:
acc_result = stripe_utils.associate_customer_card(
request.user.stripecustomer.stripe_id, token
)
if acc_result['response_object'] is None:
msg = _(
'An error occurred while associating the card.'
' Details: {details}'.format(
details=acc_result['error']
)
)
messages.add_message(request, messages.ERROR, msg)
return self.render_to_response(self.get_context_data())
preferred = False
if stripe_customer.usercarddetail_set.count() == 0:
preferred = True
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UserCardDetail.create(
stripe_customer=stripe_customer,
last4=card['last4'],
brand=card['brand'],
fingerprint=card['fingerprint'],
exp_month=card['exp_month'],
exp_year=card['exp_year'],
card_id=card['card_id'],
preferred=preferred
)
msg = _(
"Successfully associated the card with your account"
)
messages.add_message(request, messages.SUCCESS, msg)
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return self.render_to_response(self.get_context_data())
else:
billing_address_data = form.cleaned_data
return self.form_invalid(form)
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class PaymentVMView(LoginRequiredMixin, FormView):
template_name = 'hosting/payment.html'
login_url = reverse_lazy('hosting:login')
form_class = BillingAddressForm
def get_form_kwargs(self):
current_billing_address = self.request.user.billing_addresses.first()
form_kwargs = super(PaymentVMView, self).get_form_kwargs()
if not current_billing_address:
return form_kwargs
form_kwargs.update({
'initial': {
'cardholder_name': current_billing_address.cardholder_name,
'street_address': current_billing_address.street_address,
'city': current_billing_address.city,
'postal_code': current_billing_address.postal_code,
'country': current_billing_address.country,
}
})
return form_kwargs
def get_context_data(self, **kwargs):
context = super(PaymentVMView, self).get_context_data(**kwargs)
# Get user
user = self.request.user
if hasattr(user, 'stripecustomer'):
stripe_customer = user.stripecustomer
else:
stripe_customer = None
cards_list = UserCardDetail.get_all_cards_list(
stripe_customer=stripe_customer
)
context.update({
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'stripe_key': settings.STRIPE_API_PUBLIC_KEY,
'vm_pricing': VMPricing.get_vm_pricing_by_name(
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self.request.session.get('specs', {}).get('pricing_name')
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),
'cards_list': cards_list,
})
return context
@method_decorator(decorators)
def get(self, request, *args, **kwargs):
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if 'next' in request.session:
del request.session['next']
HostingUtils.clear_items_from_list(
request.session,
['token', 'card_id', 'customer', 'user']
)
return self.render_to_response(self.get_context_data())
@method_decorator(decorators)
def post(self, request, *args, **kwargs):
form = self.get_form()
if form.is_valid():
# Get billing address data
billing_address_data = form.cleaned_data
token = form.cleaned_data.get('token')
owner = self.request.user
if token is '':
card_id = form.cleaned_data.get('card')
customer = owner.stripecustomer
try:
user_card_detail = UserCardDetail.objects.get(id=card_id)
if not request.user.has_perm(
'view_usercarddetail', user_card_detail
):
raise UserCardDetail.DoesNotExist(
_("{user} does not have permission to access the "
"card").format(user=request.user.email)
)
except UserCardDetail.DoesNotExist as e:
ex = str(e)
logger.error("Card Id: {card_id}, Exception: {ex}".format(
card_id=card_id, ex=ex
)
)
msg = _("An error occurred. Details: {}".format(ex))
messages.add_message(
self.request, messages.ERROR, msg,
extra_tags='make_charge_error'
)
return HttpResponseRedirect(
reverse('hosting:payment') + '#payment_error'
)
request.session['card_id'] = user_card_detail.id
else:
# Get or create stripe customer
customer = StripeCustomer.get_or_create(
email=owner.email, token=token
)
if not customer:
msg = _("Invalid credit card")
messages.add_message(
self.request, messages.ERROR, msg,
extra_tags='make_charge_error')
return HttpResponseRedirect(
reverse('hosting:payment') + '#payment_error')
request.session['token'] = token
request.session['billing_address_data'] = billing_address_data
return HttpResponseRedirect("{url}?{query_params}".format(
url=reverse('hosting:order-confirmation'),
query_params='page=payment')
)
else:
return self.form_invalid(form)
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class OrdersHostingDetailView(LoginRequiredMixin, DetailView):
template_name = "hosting/order_detail.html"
context_object_name = "order"
login_url = reverse_lazy('hosting:login')
permission_required = ['view_hostingorder']
model = HostingOrder
def get_object(self, queryset=None):
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order_id = self.kwargs.get('pk')
try:
hosting_order_obj = HostingOrder.objects.get(pk=order_id)
logger.debug("Found HostingOrder for id {order_id}".format(
order_id=order_id
))
except HostingOrder.DoesNotExist:
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logger.debug("HostingOrder not found for id {order_id}".format(
order_id=order_id
))
hosting_order_obj = None
return hosting_order_obj
def get_context_data(self, **kwargs):
# Get context
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context = super(
OrdersHostingDetailView, self
).get_context_data(**kwargs)
obj = self.get_object()
owner = self.request.user
if self.request.GET.get('page') == 'payment':
context['page_header_text'] = _('Confirm Order')
else:
context['page_header_text'] = _('Invoice')
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if not self.request.user.has_perm(
self.permission_required[0], obj
):
logger.debug(
"User {user} does not have permission on HostingOrder "
"{order_id}. Raising 404 error now.".format(
user=self.request.user.email,
order_id=obj.id if obj else 'None'
)
)
raise Http404
if obj is not None:
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if obj.generic_product_id is not None:
# generic payment case
logger.debug("Generic payment case")
context['product_name'] = GenericProduct.objects.get(
id=obj.generic_product_id
).product_name
else:
# invoice for previous order
logger.debug("Invoice of VM order")
try:
vm_detail = VMDetail.objects.get(vm_id=obj.vm_id)
context['vm'] = vm_detail.__dict__
context['vm']['name'] = '{}-{}'.format(
context['vm']['configuration'], context['vm']['vm_id'])
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price, vat, vat_percent, discount = get_vm_price_with_vat(
cpu=context['vm']['cores'],
ssd_size=context['vm']['disk_size'],
memory=context['vm']['memory'],
pricing_name=(obj.vm_pricing.name
if obj.vm_pricing else 'default')
)
context['vm']['vat'] = vat
context['vm']['price'] = price
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context['vm']['discount'] = discount
context['vm']['vat_percent'] = vat_percent
context['vm']['total_price'] = price + vat - discount['amount']
context['subscription_end_date'] = vm_detail.end_date()
except VMDetail.DoesNotExist:
try:
manager = OpenNebulaManager(
email=owner.email, password=owner.password
)
vm = manager.get_vm(obj.vm_id)
context['vm'] = VirtualMachineSerializer(vm).data
price, vat, vat_percent, discount = get_vm_price_with_vat(
cpu=context['vm']['cores'],
ssd_size=context['vm']['disk_size'],
memory=context['vm']['memory'],
pricing_name=(obj.vm_pricing.name
if obj.vm_pricing else 'default')
)
context['vm']['vat'] = vat
context['vm']['price'] = price
context['vm']['discount'] = discount
context['vm']['vat_percent'] = vat_percent
context['vm']['total_price'] = (
price + vat - discount['amount']
)
except WrongIdError:
messages.error(
self.request,
_('The VM you are looking for is unavailable at the '
'moment. Please contact Data Center Light support.')
)
self.kwargs['error'] = 'WrongIdError'
context['error'] = 'WrongIdError'
except ConnectionRefusedError:
messages.error(
self.request,
_('In order to create a VM, you need to create/upload '
'your SSH KEY first.')
)
else:
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# new order, confirm payment
if 'token' in self.request.session:
token = self.request.session['token']
stripe_utils = StripeUtils()
card_details = stripe_utils.get_cards_details_from_token(
token
)
if not card_details.get('response_object'):
return HttpResponseRedirect(reverse('hosting:payment'))
card_details_response = card_details['response_object']
context['cc_last4'] = card_details_response['last4']
context['cc_brand'] = card_details_response['brand']
else:
card_id = self.request.session.get('card_id')
card_detail = UserCardDetail.objects.get(id=card_id)
context['cc_last4'] = card_detail.last4
context['cc_brand'] = card_detail.brand
context['site_url'] = reverse('hosting:create_virtual_machine')
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context['vm'] = self.request.session.get('specs')
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return context
@method_decorator(decorators)
def get(self, request, *args, **kwargs):
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if not self.kwargs.get('pk'):
if 'specs' not in self.request.session:
return HttpResponseRedirect(
reverse('hosting:create_virtual_machine')
)
if ('token' not in self.request.session and
'card_id' not in self.request.session):
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return HttpResponseRedirect(reverse('hosting:payment'))
self.object = self.get_object()
context = self.get_context_data(object=self.object)
if 'failed_payment' in context:
msg = context['card_details'].get('error')
messages.add_message(
self.request, messages.ERROR, msg,
extra_tags='failed_payment'
)
return HttpResponseRedirect(
reverse('hosting:payment') + '#payment_error'
)
return self.render_to_response(context)
@method_decorator(decorators)
def post(self, request):
template = request.session.get('template')
specs = request.session.get('specs')
stripe_utils = StripeUtils()
# We assume that if the user is here, his/her StripeCustomer
# object already exists
stripe_customer_id = request.user.stripecustomer.id
billing_address_data = request.session.get('billing_address_data')
vm_template_id = template.get('id', 1)
stripe_api_cus_id = request.user.stripecustomer.stripe_id
if 'token' in self.request.session:
card_details = stripe_utils.get_cards_details_from_token(
request.session['token']
)
if not card_details.get('response_object'):
return HttpResponseRedirect(reverse('hosting:payment'))
card_details_response = card_details['response_object']
card_details_dict = {
'last4': card_details_response['last4'],
'brand': card_details_response['brand'],
'card_id': card_details_response['card_id']
}
ucd = UserCardDetail.get_user_card_details(
request.user.stripecustomer, card_details_response
)
if not ucd:
acc_result = stripe_utils.associate_customer_card(
stripe_api_cus_id, request.session['token'],
set_as_default=True
)
if acc_result['response_object'] is None:
msg = _(
'An error occurred while associating the card.'
' Details: {details}'.format(
details=acc_result['error']
)
)
messages.add_message(self.request, messages.ERROR, msg,
extra_tags='failed_payment')
response = {
'status': False,
'redirect': "{url}#{section}".format(
url=reverse('hosting:payment'),
section='payment_error'),
'msg_title': str(_('Error.')),
'msg_body': str(
_('There was a payment related error.'
' On close of this popup, you will be redirected'
' back to the payment page.')
)
}
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return JsonResponse(response)
else:
card_id = request.session.get('card_id')
user_card_detail = UserCardDetail.objects.get(id=card_id)
card_details_dict = {
'last4': user_card_detail.last4,
'brand': user_card_detail.brand,
'card_id': user_card_detail.card_id
}
if not user_card_detail.preferred:
UserCardDetail.set_default_card(
stripe_api_cus_id=stripe_api_cus_id,
stripe_source_id=user_card_detail.card_id
)
cpu = specs.get('cpu')
memory = specs.get('memory')
disk_size = specs.get('disk_size')
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amount_to_be_charged = specs.get('total_price')
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plan_name = StripeUtils.get_stripe_plan_name(
cpu=cpu,
memory=memory,
disk_size=disk_size,
price=amount_to_be_charged
)
stripe_plan_id = StripeUtils.get_stripe_plan_id(
cpu=cpu,
ram=memory,
ssd=disk_size,
version=1,
app='dcl',
price=amount_to_be_charged
)
stripe_plan = stripe_utils.get_or_create_stripe_plan(
amount=amount_to_be_charged,
name=plan_name,
stripe_plan_id=stripe_plan_id)
subscription_result = stripe_utils.subscribe_customer_to_plan(
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stripe_api_cus_id,
[{"plan": stripe_plan.get(
'response_object').stripe_plan_id}])
stripe_subscription_obj = subscription_result.get('response_object')
# Check if the subscription was approved and is active
if (stripe_subscription_obj is None or
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stripe_subscription_obj.status != 'active'):
# At this point, we have created a Stripe API card and
# associated it with the customer; but the transaction failed
# due to some reason. So, we would want to dissociate this card
# here.
# ...
msg = subscription_result.get('error')
messages.add_message(self.request, messages.ERROR, msg,
extra_tags='failed_payment')
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response = {
'status': False,
'redirect': "{url}#{section}".format(
url=reverse('hosting:payment'),
section='payment_error'),
'msg_title': str(_('Error.')),
'msg_body': str(
_('There was a payment related error.'
' On close of this popup, you will be redirected back to'
' the payment page.')
)
2017-09-29 23:02:59 +00:00
}
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return JsonResponse(response)
if 'token' in request.session:
ucd = UserCardDetail.get_or_create_user_card_detail(
stripe_customer=self.request.user.stripecustomer,
card_details=card_details_response
)
UserCardDetail.save_default_card_local(
self.request.user.stripecustomer.stripe_id,
ucd.card_id
)
user = {
'name': self.request.user.name,
'email': self.request.user.email,
'pass': self.request.user.password,
'request_scheme': request.scheme,
'request_host': request.get_host(),
'language': get_language(),
}
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create_vm(
billing_address_data, stripe_customer_id, specs,
stripe_subscription_obj, card_details_dict, request,
vm_template_id, template, user
)
response = {
'status': True,
'redirect': reverse('hosting:virtual_machines'),
'msg_title': str(_('Thank you for the order.')),
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'msg_body': str(
_('Your VM will be up and running in a few moments.'
' We will send you a confirmation email as soon as'
' it is ready.'))
}
2018-04-20 14:55:24 +00:00
return JsonResponse(response)
class OrdersHostingListView(LoginRequiredMixin, ListView):
template_name = "hosting/orders.html"
login_url = reverse_lazy('hosting:login')
context_object_name = "orders"
model = HostingOrder
paginate_by = 10
ordering = '-id'
def get_queryset(self):
user = self.request.user
self.queryset = HostingOrder.objects.filter(customer__user=user)
return super(OrdersHostingListView, self).get_queryset()
@method_decorator(decorators)
def get(self, request, *args, **kwargs):
return super(OrdersHostingListView, self).get(request, *args, **kwargs)
class OrdersHostingDeleteView(LoginRequiredMixin, DeleteView):
login_url = reverse_lazy('hosting:login')
2016-05-18 22:58:28 +00:00
success_url = reverse_lazy('hosting:orders')
model = HostingOrder
class VirtualMachinesPlanListView(LoginRequiredMixin, ListView):
template_name = "hosting/virtual_machines.html"
login_url = reverse_lazy('hosting:login')
context_object_name = "vms"
paginate_by = 10
ordering = '-id'
def get_queryset(self):
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password)
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try:
queryset = manager.get_vms()
serializer = VirtualMachineSerializer(queryset, many=True)
return serializer.data
except ConnectionRefusedError:
messages.error(self.request,
'We could not load your VMs due to a backend connection \
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error. Please try again in a few minutes'
)
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self.kwargs['error'] = 'connection'
return []
def get_context_data(self, **kwargs):
error = self.kwargs.get('error')
if error is not None:
print(error)
context = {'error': 'connection'}
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else:
context = super(ListView, self).get_context_data(**kwargs)
if UserHostingKey.objects.filter(user=self.request.user).exists():
context['show_create_ssh_key_msg'] = False
else:
context['show_create_ssh_key_msg'] = True
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return context
class CreateVirtualMachinesView(LoginRequiredMixin, View):
template_name = "hosting/create_virtual_machine.html"
login_url = reverse_lazy('hosting:login')
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def validate_cores(self, value):
if (value > 48) or (value < 1):
raise ValidationError(_('Invalid number of cores'))
def validate_memory(self, value):
if 'pid' in self.request.POST:
try:
plugin = DCLCalculatorPluginModel.objects.get(
id=self.request.POST['pid']
)
except DCLCalculatorPluginModel.DoesNotExist as dne:
logger.error(
str(dne) + " plugin_id: " + self.request.POST['pid']
)
raise ValidationError(_('Invalid calculator properties'))
if plugin.enable_512mb_ram:
if value % 1 == 0 or value == 0.5:
logger.debug(
"Given ram {value} is either 0.5 or a"
" whole number".format(value=value)
)
if (value > 200) or (value < 0.5):
raise ValidationError(_('Invalid RAM size'))
else:
raise ValidationError(_('Invalid RAM size'))
elif (value > 200) or (value < 1) or (value % 1 != 0):
raise ValidationError(_('Invalid RAM size'))
else:
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raise ValidationError(_('Invalid RAM size'))
def validate_storage(self, value):
if (value > 2000) or (value < 10):
raise ValidationError(_('Invalid storage size'))
@method_decorator(decorators)
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def get(self, request, *args, **kwargs):
context = {
'templates': VMTemplate.objects.all(),
'cms_integration': get_cms_integration('default'),
}
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return render(request, self.template_name, context)
@method_decorator(decorators)
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def post(self, request):
cores = request.POST.get('cpu')
cores_field = forms.IntegerField(validators=[self.validate_cores])
memory = request.POST.get('ram')
memory_field = forms.FloatField(validators=[self.validate_memory])
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storage = request.POST.get('storage')
storage_field = forms.IntegerField(validators=[self.validate_storage])
template_id = int(request.POST.get('config'))
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pricing_name = request.POST.get('pricing_name')
vm_pricing = VMPricing.get_vm_pricing_by_name(pricing_name)
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template = VMTemplate.objects.filter(
opennebula_vm_template_id=template_id).first()
template_data = VMTemplateSerializer(template).data
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if vm_pricing is None:
vm_pricing_name_msg = _(
"Incorrect pricing name. Please contact support"
"{support_email}".format(
support_email=settings.DCL_SUPPORT_FROM_ADDRESS
)
)
messages.add_message(
self.request, messages.ERROR, vm_pricing_name_msg,
extra_tags='pricing'
)
return redirect(CreateVirtualMachinesView.as_view())
else:
vm_pricing_name = vm_pricing.name
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try:
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cores = cores_field.clean(cores)
except ValidationError as err:
msg = '{} : {}.'.format(cores, str(err))
messages.add_message(self.request, messages.ERROR, msg,
extra_tags='cores')
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return redirect(CreateVirtualMachinesView.as_view())
2017-05-14 10:22:10 +00:00
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try:
memory = memory_field.clean(memory)
except ValidationError as err:
msg = '{} : {}.'.format(memory, str(err))
messages.add_message(self.request, messages.ERROR, msg,
extra_tags='memory')
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return redirect(CreateVirtualMachinesView.as_view())
2017-05-12 17:13:18 +00:00
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try:
storage = storage_field.clean(storage)
except ValidationError as err:
msg = '{} : {}.'.format(storage, str(err))
messages.add_message(self.request, messages.ERROR, msg,
extra_tags='storage')
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return redirect(CreateVirtualMachinesView.as_view())
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price, vat, vat_percent, discount = get_vm_price_with_vat(
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cpu=cores,
memory=memory,
ssd_size=storage,
pricing_name=vm_pricing_name
)
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specs = {
'cpu': cores,
'memory': memory,
'disk_size': storage,
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'discount': discount,
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'price': price,
'vat': vat,
'vat_percent': vat_percent,
'total_price': round(price + vat - discount['amount'], 2),
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'pricing_name': vm_pricing_name
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}
request.session['specs'] = specs
request.session['template'] = template_data
return redirect(reverse('hosting:payment'))
class VirtualMachineView(LoginRequiredMixin, View):
template_name = "hosting/virtual_machine_detail.html"
login_url = reverse_lazy('hosting:login')
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def get_object(self):
owner = self.request.user
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vm = None
manager = OpenNebulaManager(
email=owner.email,
password=owner.password
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)
vm_id = self.kwargs.get('pk')
try:
vm = manager.get_vm(vm_id)
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return vm
except WrongIdError:
messages.error(self.request,
_('We could not find the requested VM. Please \
contact Data Center Light Support.')
)
return None
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except ConnectionRefusedError:
messages.error(self.request,
'We could not load your VM due to a backend connection \
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error. Please try again in a few minutes'
)
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return None
except Exception as error:
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logger.error(str(error))
raise Http404()
def get_success_url(self):
final_url = reverse('hosting:virtual_machines')
return final_url
@method_decorator(decorators)
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def get(self, request, *args, **kwargs):
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vm = self.get_object()
if vm is None:
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if self.request.is_ajax():
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storage = messages.get_messages(request)
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for m in storage:
pass
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storage.used = True
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return JsonResponse({'text': ugettext('Terminated')})
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else:
return redirect(reverse('hosting:virtual_machines'))
elif self.request.is_ajax():
return HttpResponse()
context = None
try:
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serializer = VirtualMachineSerializer(vm)
context = {
'virtual_machine': serializer.data,
'order': HostingOrder.objects.get(
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vm_id=serializer.data['vm_id']
)
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}
except Exception as ex:
logger.debug("Exception generated {}".format(str(ex)))
messages.error(self.request,
_('We could not find the requested VM. Please '
'contact Data Center Light Support.')
)
return redirect(reverse('hosting:virtual_machines'))
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return render(request, self.template_name, context)
@method_decorator(decorators)
def post(self, request, *args, **kwargs):
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response = {'status': False}
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admin_email_body = {}
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owner = self.request.user
vm = self.get_object()
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manager = OpenNebulaManager(
email=owner.email,
password=owner.password
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)
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try:
vm_data = VirtualMachineSerializer(manager.get_vm(vm.id)).data
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vm_name = vm_data.get('name')
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except WrongIdError as wrong_id_err:
logger.error(str(wrong_id_err))
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return redirect(reverse('hosting:virtual_machines'))
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# Cancel Stripe subscription
stripe_utils = StripeUtils()
try:
hosting_order = HostingOrder.objects.get(
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vm_id=vm.id
)
result = stripe_utils.unsubscribe_customer(
subscription_id=hosting_order.subscription_id
)
stripe_subscription_obj = result.get('response_object')
# Check if the subscription was canceled
if (stripe_subscription_obj is None or
stripe_subscription_obj.status != 'canceled'):
error_msg = result.get('error')
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logger.error(
'Error canceling subscription for {user} and vm id '
'{vm_id}'.format(user=owner.email, vm_id=vm.id)
)
logger.error(error_msg)
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admin_email_body['stripe_error_msg'] = error_msg
except HostingOrder.DoesNotExist:
error_msg = (
"HostingOrder corresponding to vm_id={vm_id} does"
"not exist. Hence, can not find subscription to "
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"cancel ".format(vm_id=vm.id)
)
logger.error(error_msg)
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admin_email_body['stripe_error_msg'] = error_msg
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terminated = manager.delete_vm(vm.id)
if not terminated:
logger.error(
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"manager.delete_vm returned False. Hence, error making "
"xml-rpc call to delete vm failed."
)
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response['text'] = ugettext('Error terminating VM') + vm.id
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else:
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for t in range(15):
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try:
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manager.get_vm(vm.id)
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except WrongIdError:
logger.error(
"VM {} not found. So, its terminated.".format(vm.id)
)
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response['status'] = True
response['text'] = ugettext('Terminated')
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vm_detail_obj = VMDetail.objects.filter(
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vm_id=vm.id
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).first()
vm_detail_obj.terminated_at = datetime.utcnow()
vm_detail_obj.save()
except BaseException as base_exception:
logger.error(
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"manager.get_vm({vm_id}) returned exception: "
"{details}.".format(
details=str(base_exception), vm_id=vm.id
)
)
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break
else:
sleep(2)
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if not response['status']:
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response['text'] = _("VM terminate action timed out. Please "
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"contact support@datacenterlight.ch for "
"further information.")
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context = {
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'vm_name': vm_name,
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'base_url': "{0}://{1}".format(
self.request.scheme, self.request.get_host()
),
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'page_header': _('Virtual Machine %(vm_name)s Cancelled') % {
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'vm_name': vm_name
}
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}
email_data = {
'subject': context['page_header'],
'to': self.request.user.email,
'context': context,
'template_name': 'vm_canceled',
'template_path': 'hosting/emails/',
'from_address': settings.DCL_SUPPORT_FROM_ADDRESS,
}
email = BaseEmail(**email_data)
email.send()
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admin_email_body.update(response)
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admin_msg_sub = "VM and Subscription for VM {} and user: {}".format(
vm.id,
owner.email
)
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email_to_admin_data = {
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'subject': ("Deleted " if response['status']
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else "ERROR deleting ") + admin_msg_sub,
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'from_email': settings.DCL_SUPPORT_FROM_ADDRESS,
'to': ['info@ungleich.ch'],
'body': "\n".join(
["%s=%s" % (k, v) for (k, v) in admin_email_body.items()]),
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}
send_plain_email_task.delay(email_to_admin_data)
return JsonResponse(response)
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class HostingBillListView(PermissionRequiredMixin, LoginRequiredMixin,
ListView):
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template_name = "hosting/bills.html"
login_url = reverse_lazy('hosting:login')
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permission_required = ['view_hostingview']
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context_object_name = "users"
model = StripeCustomer
paginate_by = 10
ordering = '-id'
class HostingBillDetailView(PermissionRequiredMixin, LoginRequiredMixin,
DetailView):
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template_name = "hosting/bill_detail.html"
login_url = reverse_lazy('hosting:login')
permission_required = ['view_hostingview']
context_object_name = "bill"
model = HostingBill
def get_object(self, queryset=None):
# Get HostingBill for primary key (Select from customer users)
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pk = self.kwargs['pk']
object = HostingBill.objects.filter(customer__id=pk).first()
if object is None:
self.template_name = 'hosting/bill_error.html'
return object
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def get_context_data(self, **kwargs):
# Get context
context = super(DetailView, self).get_context_data(**kwargs)
owner = self.request.user
manager = OpenNebulaManager(email=owner.email,
password=owner.password)
# Get vms
queryset = manager.get_vms()
vms = VirtualMachineSerializer(queryset, many=True).data
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# Set total price
bill = context['bill']
bill.total_price = 0.0
for vm in vms:
bill.total_price += vm['price']
context['vms'] = vms
return context
def forbidden_view(request, exception=None, reason=''):
"""
Handle 403 error
"""
logger.error(str(exception) if exception else None)
logger.error('Reason = {reason}'.format(reason=reason))
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err_msg = _('There was an error processing your request. Please try '
'again.')
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messages.add_message(request, messages.ERROR, err_msg)
return HttpResponseRedirect(request.get_full_path())