django-orchestra/orchestra/contrib/musician/views.py

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import logging
import smtplib
from django.conf import settings
from django.contrib import messages
from django.core.exceptions import ImproperlyConfigured
from django.core.mail import mail_managers
from django.http import (HttpResponse, HttpResponseNotFound,
HttpResponseRedirect)
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from django.shortcuts import get_object_or_404
from django.urls import reverse_lazy
from django.utils import translation
from django.utils.html import format_html
from django.utils.http import is_safe_url
from django.utils.translation import gettext_lazy as _
from django.views import View
from django.views.generic.base import RedirectView, TemplateView
from django.views.generic.detail import DetailView
from django.views.generic.edit import DeleteView, FormView
from django.views.generic.list import ListView
from requests.exceptions import HTTPError
from orchestra import get_version
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from orchestra.contrib.bills.models import Bill
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from orchestra.contrib.domains.models import Domain
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from orchestra.contrib.saas.models import SaaS
from orchestra.utils.html import html_to_pdf
# from .auth import login as auth_login
from .auth import logout as auth_logout
from .forms import (LoginForm, MailboxChangePasswordForm, MailboxCreateForm,
MailboxUpdateForm, MailForm)
from .mixins import (CustomContextMixin, ExtendedPaginationMixin,
UserTokenRequiredMixin)
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from .models import Address
from .models import Bill as BillService
from .models import (DatabaseService, Mailbox, MailinglistService,
PaymentSource, SaasService)
from .settings import ALLOWED_RESOURCES
from .utils import get_bootstraped_percent
logger = logging.getLogger(__name__)
class DashboardView(CustomContextMixin, UserTokenRequiredMixin, TemplateView):
template_name = "musician/dashboard.html"
extra_context = {
# Translators: This message appears on the page title
'title': _('Dashboard'),
}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
domains = self.orchestra.retrieve_domain_list()
# TODO(@slamora) update when backend supports notifications
notifications = []
# show resource usage based on plan definition
profile_type = context['profile'].type
# TODO(@slamora) update when backend provides resource usage data
resource_usage = {
'disk': {
'verbose_name': _('Disk usage'),
'data': {
# 'usage': 534,
# 'total': 1024,
# 'unit': 'MB',
# 'percent': 50,
},
},
'traffic': {
'verbose_name': _('Traffic'),
'data': {
# 'usage': 300,
# 'total': 2048,
# 'unit': 'MB/month',
# 'percent': 25,
},
},
'mailbox': self.get_mailbox_usage(profile_type),
}
context.update({
'domains': domains,
'resource_usage': resource_usage,
'notifications': notifications,
})
return context
def get_mailbox_usage(self, profile_type):
allowed_mailboxes = ALLOWED_RESOURCES[profile_type]['mailbox']
total_mailboxes = len(self.orchestra.retrieve_mailbox_list())
mailboxes_left = allowed_mailboxes - total_mailboxes
alert = ''
if mailboxes_left < 0:
alert = format_html("<span class='text-danger'>{} extra mailboxes</span>", mailboxes_left * -1)
elif mailboxes_left <= 1:
alert = format_html("<span class='text-warning'>{} mailbox left</span>", mailboxes_left)
return {
'verbose_name': _('Mailbox usage'),
'data': {
'usage': total_mailboxes,
'total': allowed_mailboxes,
'alert': alert,
'unit': 'mailboxes',
'percent': get_bootstraped_percent(total_mailboxes, allowed_mailboxes),
},
}
class ProfileView(CustomContextMixin, UserTokenRequiredMixin, TemplateView):
template_name = "musician/profile.html"
extra_context = {
# Translators: This message appears on the page title
'title': _('User profile'),
}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
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user = self.request.user
context.update({
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'payment': user.paymentsources.first(),
'preferred_language_code': user.language.lower(),
})
return context
def profile_set_language(request, code):
# set user language as active language
if any(x[0] == code for x in settings.LANGUAGES):
user_language = code
translation.activate(user_language)
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redirect_to = request.GET.get('next', '')
url_is_safe = is_safe_url(
url=redirect_to,
allowed_hosts={request.get_host()},
require_https=request.is_secure(),
)
if not url_is_safe:
redirect_to = reverse_lazy(settings.LOGIN_REDIRECT_URL)
response = HttpResponseRedirect(redirect_to)
response.set_cookie(settings.LANGUAGE_COOKIE_NAME, user_language)
return response
else:
response = HttpResponseNotFound('Languague not found')
return response
class ServiceListView(CustomContextMixin, ExtendedPaginationMixin, UserTokenRequiredMixin, ListView):
"""Base list view to all services"""
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model = None
template_name = "musician/service_list.html"
def get_queryset(self):
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if self.model is None :
raise ImproperlyConfigured(
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"ServiceListView requires definiton of 'model' attribute")
queryfilter = self.get_queryfilter()
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qs = self.model.objects.filter(account=self.request.user, **queryfilter)
return qs
def get_queryfilter(self):
"""Does nothing by default. Should be implemented on subclasses"""
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return {}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context.update({
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# TODO(@slamora): check where is used on the template
'service': self.model.__name__,
})
return context
class BillingView(ServiceListView):
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service_class = BillService
model = Bill
template_name = "musician/billing.html"
extra_context = {
# Translators: This message appears on the page title
'title': _('Billing'),
}
def get_queryset(self):
qs = super().get_queryset()
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qs = qs.order_by("-created_on")
return qs
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class BillDownloadView(CustomContextMixin, UserTokenRequiredMixin, View):
extra_context = {
# Translators: This message appears on the page title
'title': _('Download bill'),
}
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def get_object(self):
return get_object_or_404(
Bill.objects.filter(account=self.request.user),
pk=self.kwargs.get('pk')
)
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def get(self, request, *args, **kwargs):
# NOTE: this is a copy of method document() on orchestra.contrib.bills.api.BillViewSet
bill = self.get_object()
# TODO(@slamora): implement download as PDF, now only HTML is reachable via link
content_type = request.META.get('HTTP_ACCEPT')
if content_type == 'application/pdf':
pdf = html_to_pdf(bill.html or bill.render())
return HttpResponse(pdf, content_type='application/pdf')
else:
return HttpResponse(bill.html or bill.render())
class MailView(ServiceListView):
service_class = Address
template_name = "musician/addresses.html"
extra_context = {
# Translators: This message appears on the page title
'title': _('Mail addresses'),
}
def get_queryset(self):
# retrieve mails applying filters (if any)
queryfilter = self.get_queryfilter()
addresses = self.orchestra.retrieve_mail_address_list(
querystring=queryfilter
)
return addresses
def get_queryfilter(self):
"""Retrieve query params (if any) to filter queryset"""
domain_id = self.request.GET.get('domain')
if domain_id:
return "domain={}".format(domain_id)
return ''
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
domain_id = self.request.GET.get('domain')
if domain_id:
context.update({
'active_domain': self.orchestra.retrieve_domain(domain_id)
})
context['mailboxes'] = self.orchestra.retrieve_mailbox_list()
return context
class MailCreateView(CustomContextMixin, UserTokenRequiredMixin, FormView):
service_class = Address
template_name = "musician/address_form.html"
form_class = MailForm
success_url = reverse_lazy("musician:address-list")
extra_context = {'service': service_class}
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs['domains'] = self.orchestra.retrieve_domain_list()
kwargs['mailboxes'] = self.orchestra.retrieve_mailbox_list()
return kwargs
def form_valid(self, form):
# handle request errors e.g. 400 validation
try:
serialized_data = form.serialize()
self.orchestra.create_mail_address(serialized_data)
except HTTPError as e:
form.add_error(field='__all__', error=e)
return self.form_invalid(form)
return super().form_valid(form)
class MailUpdateView(CustomContextMixin, UserTokenRequiredMixin, FormView):
service_class = Address
template_name = "musician/address_form.html"
form_class = MailForm
success_url = reverse_lazy("musician:address-list")
extra_context = {'service': service_class}
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
instance = self.orchestra.retrieve_mail_address(self.kwargs['pk'])
kwargs.update({
'instance': instance,
'domains': self.orchestra.retrieve_domain_list(),
'mailboxes': self.orchestra.retrieve_mailbox_list(),
})
return kwargs
def form_valid(self, form):
# handle request errors e.g. 400 validation
try:
serialized_data = form.serialize()
self.orchestra.update_mail_address(self.kwargs['pk'], serialized_data)
except HTTPError as e:
form.add_error(field='__all__', error=e)
return self.form_invalid(form)
return super().form_valid(form)
class AddressDeleteView(CustomContextMixin, UserTokenRequiredMixin, DeleteView):
template_name = "musician/address_check_delete.html"
success_url = reverse_lazy("musician:address-list")
def get_object(self, queryset=None):
obj = self.orchestra.retrieve_mail_address(self.kwargs['pk'])
return obj
def delete(self, request, *args, **kwargs):
self.object = self.get_object()
try:
self.orchestra.delete_mail_address(self.object.id)
messages.success(self.request, _('Address deleted!'))
except HTTPError as e:
messages.error(self.request, _('Cannot process your request, please try again later.'))
logger.error(e)
return HttpResponseRedirect(self.success_url)
class MailingListsView(ServiceListView):
service_class = MailinglistService
template_name = "musician/mailinglists.html"
extra_context = {
# Translators: This message appears on the page title
'title': _('Mailing lists'),
}
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
domain_id = self.request.GET.get('domain')
if domain_id:
context.update({
'active_domain': self.orchestra.retrieve_domain(domain_id)
})
return context
def get_queryfilter(self):
"""Retrieve query params (if any) to filter queryset"""
# TODO(@slamora): this is not working because backend API
# doesn't support filtering by domain
domain_id = self.request.GET.get('domain')
if domain_id:
return "domain={}".format(domain_id)
return ''
class MailboxesView(ServiceListView):
service_class = Mailbox
template_name = "musician/mailboxes.html"
extra_context = {
# Translators: This message appears on the page title
'title': _('Mailboxes'),
}
class MailboxCreateView(CustomContextMixin, UserTokenRequiredMixin, FormView):
service_class = Mailbox
template_name = "musician/mailbox_form.html"
form_class = MailboxCreateForm
success_url = reverse_lazy("musician:mailbox-list")
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context.update({
'extra_mailbox': self.is_extra_mailbox(context['profile']),
'service': self.service_class,
})
return context
def is_extra_mailbox(self, profile):
number_of_mailboxes = len(self.orchestra.retrieve_mailbox_list())
return number_of_mailboxes >= profile.allowed_resources('mailbox')
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs.update({
'addresses': self.orchestra.retrieve_mail_address_list(),
})
return kwargs
def form_valid(self, form):
serialized_data = form.serialize()
status, response = self.orchestra.create_mailbox(serialized_data)
if status >= 400:
if status == 400:
# handle errors & add to form (they will be rendered)
form.add_error(field=None, error=response)
else:
logger.error("{}: {}".format(status, response[:120]))
msg = "Sorry, an error occurred while processing your request ({})".format(status)
form.add_error(field='__all__', error=msg)
return self.form_invalid(form)
return super().form_valid(form)
class MailboxUpdateView(CustomContextMixin, UserTokenRequiredMixin, FormView):
service_class = Mailbox
template_name = "musician/mailbox_form.html"
form_class = MailboxUpdateForm
success_url = reverse_lazy("musician:mailbox-list")
extra_context = {'service': service_class}
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
instance = self.orchestra.retrieve_mailbox(self.kwargs['pk'])
kwargs.update({
'instance': instance,
'addresses': self.orchestra.retrieve_mail_address_list(),
})
return kwargs
def form_valid(self, form):
serialized_data = form.serialize()
status, response = self.orchestra.update_mailbox(self.kwargs['pk'], serialized_data)
if status >= 400:
if status == 400:
# handle errors & add to form (they will be rendered)
form.add_error(field=None, error=response)
else:
logger.error("{}: {}".format(status, response[:120]))
msg = "Sorry, an error occurred while processing your request ({})".format(status)
form.add_error(field='__all__', error=msg)
return self.form_invalid(form)
return super().form_valid(form)
class MailboxDeleteView(CustomContextMixin, UserTokenRequiredMixin, DeleteView):
template_name = "musician/mailbox_check_delete.html"
success_url = reverse_lazy("musician:mailbox-list")
def get_object(self, queryset=None):
obj = self.orchestra.retrieve_mailbox(self.kwargs['pk'])
return obj
def delete(self, request, *args, **kwargs):
self.object = self.get_object()
try:
self.orchestra.delete_mailbox(self.object.id)
messages.success(self.request, _('Mailbox deleted!'))
except HTTPError as e:
messages.error(self.request, _('Cannot process your request, please try again later.'))
logger.error(e)
self.notify_managers(self.object)
return HttpResponseRedirect(self.success_url)
def notify_managers(self, mailbox):
user = self.get_context_data()['profile']
subject = 'Mailbox {} ({}) deleted | Musician'.format(mailbox.id, mailbox.name)
content = (
"User {} ({}) has deleted its mailbox {} ({}) via musician.\n"
"The mailbox has been marked as inactive but has not been removed."
).format(user.username, user.full_name, mailbox.id, mailbox.name)
try:
mail_managers(subject, content, fail_silently=False)
except (smtplib.SMTPException, ConnectionRefusedError):
logger.error("Error sending email to managers", exc_info=True)
class MailboxChangePasswordView(CustomContextMixin, UserTokenRequiredMixin, FormView):
template_name = "musician/mailbox_change_password.html"
form_class = MailboxChangePasswordForm
success_url = reverse_lazy("musician:mailbox-list")
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
self.object = self.get_object()
context.update({
'object': self.object,
})
return context
def get_object(self, queryset=None):
obj = self.orchestra.retrieve_mailbox(self.kwargs['pk'])
return obj
def form_valid(self, form):
data = {
'password': form.cleaned_data['password2']
}
status, response = self.orchestra.set_password_mailbox(self.kwargs['pk'], data)
if status < 400:
messages.success(self.request, _('Password updated!'))
else:
messages.error(self.request, _('Cannot process your request, please try again later.'))
logger.error("{}: {}".format(status, str(response)[:100]))
return super().form_valid(form)
class DatabasesView(ServiceListView):
template_name = "musician/databases.html"
service_class = DatabaseService
extra_context = {
# Translators: This message appears on the page title
'title': _('Databases'),
}
class SaasView(ServiceListView):
service_class = SaasService
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model = SaaS
template_name = "musician/saas.html"
extra_context = {
# Translators: This message appears on the page title
'title': _('Software as a Service'),
}
class DomainDetailView(CustomContextMixin, UserTokenRequiredMixin, DetailView):
template_name = "musician/domain_detail.html"
extra_context = {
# Translators: This message appears on the page title
'title': _('Domain details'),
}
def get_queryset(self):
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return Domain.objects.filter(account=self.request.user)
class LoginView(FormView):
template_name = 'auth/login.html'
form_class = LoginForm
success_url = reverse_lazy('musician:dashboard')
redirect_field_name = 'next'
extra_context = {
# Translators: This message appears on the page title
'title': _('Login'),
'version': get_version(),
}
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs['request'] = self.request
return kwargs
def form_valid(self, form):
"""Security check complete. Log the user in."""
# set user language as active language
user_language = form.user.language
translation.activate(user_language)
response = HttpResponseRedirect(self.get_success_url())
response.set_cookie(settings.LANGUAGE_COOKIE_NAME, user_language)
return response
def get_success_url(self):
url = self.get_redirect_url()
return url or self.success_url
def get_redirect_url(self):
"""Return the user-originating redirect URL if it's safe."""
redirect_to = self.request.POST.get(
self.redirect_field_name,
self.request.GET.get(self.redirect_field_name, '')
)
url_is_safe = is_safe_url(
url=redirect_to,
allowed_hosts={self.request.get_host()},
require_https=self.request.is_secure(),
)
return redirect_to if url_is_safe else ''
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context.update({
self.redirect_field_name: self.get_redirect_url(),
**(self.extra_context or {})
})
return context
class LogoutView(RedirectView):
"""
Log out the user.
"""
permanent = False
pattern_name = 'musician:login'
def get_redirect_url(self, *args, **kwargs):
"""
Logs out the user.
"""
auth_logout(self.request)
return super().get_redirect_url(*args, **kwargs)
def post(self, request, *args, **kwargs):
"""Logout may be done via POST."""
return self.get(request, *args, **kwargs)