dynamicweb/utils/views.py

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import uuid
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from django.conf import settings
from django.contrib import messages
from django.contrib.auth import authenticate, login
from django.contrib.auth.tokens import default_token_generator
from django.core.files.base import ContentFile
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from django.core.urlresolvers import reverse_lazy
from django.http import HttpResponseRedirect
from django.shortcuts import render
from django.utils.encoding import force_bytes
from django.utils.http import urlsafe_base64_encode, urlsafe_base64_decode
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from django.utils.translation import ugettext_lazy as _
from django.views.decorators.cache import cache_control
from django.views.generic import FormView, CreateView
from datacenterlight.utils import get_cms_integration
from hosting.forms import UserHostingKeyForm
from hosting.models import UserHostingKey
from membership.models import CustomUser
from opennebula_api.models import OpenNebulaManager
from utils.hosting_utils import get_all_public_keys
from .forms import SetPasswordForm
from .mailer import BaseEmail
class SignupViewMixin(CreateView):
model = CustomUser
success_url = None
def get_success_url(self):
next_url = self.request.POST.get('next') if self.request.POST.get(
'next') \
else self.success_url
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')
CustomUser.register(name, password, email)
auth_user = authenticate(email=email, password=password)
login(self.request, auth_user)
return HttpResponseRedirect(self.get_success_url())
class LoginViewMixin(FormView):
success_url = None
def get_success_url(self):
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next_url = self.request.POST.get('next', self.success_url)
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if not next_url:
return self.success_url
return next_url
def form_valid(self, form):
email = form.cleaned_data.get('email')
password = form.cleaned_data.get('password')
auth_user = authenticate(email=email, password=password)
if auth_user:
login(self.request, auth_user)
return HttpResponseRedirect(self.get_success_url())
return HttpResponseRedirect(self.get_success_url())
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
if self.request.user.is_authenticated():
return HttpResponseRedirect(self.get_success_url())
return super(LoginViewMixin, self).get(request, *args, **kwargs)
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class ResendActivationLinkViewMixin(FormView):
success_message = _(
"An email with the activation link has been sent to you")
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def generate_email_context(self, user):
context = {
'base_url': "{0}://{1}".format(self.request.scheme,
self.request.get_host()),
'activation_link': reverse_lazy(
'hosting:validate',
kwargs={'validate_slug': user.validation_slug}
),
'dcl_text': settings.DCL_TEXT,
}
return context
def form_valid(self, form):
email = form.cleaned_data.get('email')
user = CustomUser.objects.get(email=email)
messages.add_message(self.request, messages.SUCCESS,
self.success_message)
context = self.generate_email_context(user)
email_data = {
'subject': '{dcl_text} {account_activation}'.format(
dcl_text=settings.DCL_TEXT,
account_activation=_('Account Activation')
),
'to': email,
'context': context,
'template_name': self.email_template_name,
'template_path': self.email_template_path,
'from_address': settings.DCL_SUPPORT_FROM_ADDRESS
}
email = BaseEmail(**email_data)
email.send()
return HttpResponseRedirect(self.get_success_url())
class PasswordResetViewMixin(FormView):
success_message = _(
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"The link to reset your password has been sent to your email")
site = ''
def test_generate_email_context(self, user):
context = {
'user': user,
'token': default_token_generator.make_token(user),
'uid': urlsafe_base64_encode(force_bytes(user.pk)),
'site_name': 'ungleich' if self.site != 'dcl' else settings.DCL_TEXT,
'base_url': "{0}://{1}".format(self.request.scheme,
self.request.get_host())
}
return context
def form_valid(self, form):
email = form.cleaned_data.get('email')
user = CustomUser.objects.get(email=email)
messages.add_message(self.request, messages.SUCCESS,
self.success_message)
context = self.test_generate_email_context(user)
email_data = {
'subject': _('Password Reset'),
'to': email,
'context': context,
'template_name': 'password_reset_email',
'template_path': self.template_email_path
}
if self.site == 'dcl':
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email_data['from_address'] = settings.DCL_SUPPORT_FROM_ADDRESS
email = BaseEmail(**email_data)
email.send()
return HttpResponseRedirect(self.get_success_url())
class PasswordResetConfirmViewMixin(FormView):
form_class = SetPasswordForm
def post(self, request, uidb64=None, token=None, *arg, **kwargs):
try:
uid = urlsafe_base64_decode(uidb64)
user = CustomUser.objects.get(pk=uid)
except (TypeError, ValueError, OverflowError, CustomUser.DoesNotExist):
user = 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.'))
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:
messages.error(request,
_('The reset password link is no longer valid.'))
form.add_error(None,
_('The reset password link is no longer valid.'))
return self.form_invalid(form)
class SSHKeyCreateView(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):
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'))
filename = form.cleaned_data.get(
'name') + '_' + str(uuid.uuid4())[:8] + '_private.pem'
form.instance.private_key.save(filename, content)
context = self.get_context_data()
next_url = self.request.session.get(
'next',
reverse_lazy('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'),
'form': UserHostingKeyForm(request=self.request),
})
if self.request.user.is_authenticated():
owner = self.request.user
manager = OpenNebulaManager(
email=owner.username,
password=owner.password
)
keys_to_save = get_all_public_keys(self.request.user)
manager.save_key_in_opennebula_user('\n'.join(keys_to_save))
else:
self.request.session["new_user_hosting_key_id"] = form.instance.id
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)
class AskSSHKeyView(SSHKeyCreateView):
form_class = UserHostingKeyForm
template_name = "datacenterlight/add_ssh_key.html"
success_url = reverse_lazy('datacenterlight:order_confirmation')
context_object_name = "dcl_vm_buy_add_ssh_key"
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
context = {
'site_url': reverse_lazy('datacenterlight:index'),
'cms_integration': get_cms_integration('default'),
'form': UserHostingKeyForm(request=self.request),
'keys': get_all_public_keys(self.request.user)
}
return render(request, self.template_name, context)
def post(self, request, *args, **kwargs):
self.success_url = self.request.session.get("order_confirm_url")
return super(AskSSHKeyView, self).post(self, request, *args, **kwargs)