views.py 64 KB
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from os import getenv
import json
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import logging
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import re
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from datetime import datetime
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import requests
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from django.conf import settings
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from django.contrib.auth.models import User, Group
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from django.contrib.auth.views import login
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from django.contrib.messages import warning
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from django.core.exceptions import (
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    PermissionDenied, SuspiciousOperation,
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)
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from django.core import signing
from django.core.urlresolvers import reverse, reverse_lazy
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from django.http import HttpResponse, HttpResponseRedirect, Http404
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from django.shortcuts import redirect, render
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from django.views.decorators.http import require_GET
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from django.views.generic.detail import SingleObjectMixin
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from django.views.generic import (TemplateView, DetailView, View, DeleteView,
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                                  UpdateView, CreateView)
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from django.contrib import messages
from django.utils.translation import ugettext as _
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from django.template.defaultfilters import title
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from django.template.loader import render_to_string
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from django.forms.models import inlineformset_factory
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from django_tables2 import SingleTableView
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from braces.views import LoginRequiredMixin, SuperuserRequiredMixin
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from .forms import (
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    VmCustomizeForm, TemplateForm, LeaseForm, NodeForm, HostForm,
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    DiskAddForm, CircleAuthenticationForm,
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)
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from .tables import (VmListTable, NodeListTable, NodeVmListTable,
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                     TemplateListTable, LeaseListTable, GroupListTable,)
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from vm.models import (Instance, InstanceTemplate, InterfaceTemplate,
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                       InstanceActivity, Node, instance_activity, Lease,
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                       Interface, NodeActivity)
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from firewall.models import Vlan, Host, Rule
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from dashboard.models import Favourite, Profile
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logger = logging.getLogger(__name__)
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def search_user(keyword):
    try:
        return User.objects.get(username=keyword)
    except User.DoesNotExist:
        return User.objects.get(email=keyword)
    except User.DoesNotExist:
        return User.objects.get(profile__org_id=keyword)


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# github.com/django/django/blob/stable/1.6.x/django/contrib/messages/views.py
class SuccessMessageMixin(object):
    """
    Adds a success message on successful form submission.
    """
    success_message = ''

    def form_valid(self, form):
        response = super(SuccessMessageMixin, self).form_valid(form)
        success_message = self.get_success_message(form.cleaned_data)
        if success_message:
            messages.success(self.request, success_message)
        return response

    def get_success_message(self, cleaned_data):
        return self.success_message % cleaned_data


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class IndexView(LoginRequiredMixin, TemplateView):
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    template_name = "dashboard/index.html"
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    def get_context_data(self, **kwargs):
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        if self.request.user.is_authenticated():
            user = self.request.user
        else:
            user = None
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        context = super(IndexView, self).get_context_data(**kwargs)
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        favs = Instance.objects.filter(favourite__user=self.request.user)
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        instances = Instance.get_objects_with_level(
            'user', user).filter(destroyed=None)
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        display = list(favs) + list(set(instances) - set(favs))
        for d in display:
            d.fav = True if d in favs else False
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        context.update({
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            'instances': display[:5],
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            'more_instances': instances.count() - len(instances[:5])
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        })

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        if user is not None:
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            context['new_notifications'] = user.notification_set.filter(
                status="new").count()
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        nodes = Node.objects.all()
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        groups = Group.objects.all()
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        context.update({
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            'nodes': nodes[:10],
            'more_nodes': nodes.count() - len(nodes[:10]),
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            'groups': groups[:10],
            'more_groups': groups.count() - len(groups[:10]),
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            'sum_node_num': nodes.count(),
            'node_num': {
                'running': Node.get_state_count(True, True),
                'missing': Node.get_state_count(False, True),
                'disabled': Node.get_state_count(True, False),
                'offline': Node.get_state_count(False, False)
            }
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        })

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        running = [i for i in instances if i.state == 'RUNNING']
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        stopped = [i for i in instances if i.state not in ['RUNNING',
                                                           'NOSTATE']]
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        context.update({
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            'running_vms': running,
            'running_vm_num': len(running),
            'stopped_vm_num': len(stopped)
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        })
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        context['templates'] = InstanceTemplate.objects.all()[:5]
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        return context

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def get_vm_acl_data(obj):
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    levels = obj.ACL_LEVELS
    users = obj.get_users_with_level()
    users = [{'user': u, 'level': l} for u, l in users]
    groups = obj.get_groups_with_level()
    groups = [{'group': g, 'level': l} for g, l in groups]
    return {'users': users, 'groups': groups, 'levels': levels,
            'url': reverse('dashboard.views.vm-acl', args=[obj.pk])}


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def get_group_acl_data(obj):
    aclobj = obj.profile
    levels = aclobj.ACL_LEVELS
    users = aclobj.get_users_with_level()
    users = [{'user': u, 'level': l} for u, l in users]
    groups = aclobj.get_groups_with_level()
    groups = [{'group': g, 'level': l} for g, l in groups]
    return {'users': users, 'groups': groups, 'levels': levels,
            'url': reverse('dashboard.views.group-acl', args=[obj.pk])}


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class CheckedDetailView(LoginRequiredMixin, DetailView):
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    read_level = 'user'

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    def get_has_level(self):
        return self.object.has_level

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    def get_context_data(self, **kwargs):
        context = super(CheckedDetailView, self).get_context_data(**kwargs)
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        if not self.get_has_level()(self.request.user, self.read_level):
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            raise PermissionDenied()
        return context


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class VmDetailVncTokenView(CheckedDetailView):
    template_name = "dashboard/vm-detail.html"
    model = Instance

    def get(self, request, **kwargs):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'operator'):
            raise PermissionDenied()
        if self.object.node:
            port = self.object.vnc_port
            host = str(self.object.node.host.ipv4)
            value = signing.dumps({'host': host,
                                   'port': port},
                                  key=getenv("PROXY_SECRET", 'asdasd')),
            return HttpResponse('vnc/?d=%s' % value)
        else:
            raise Http404()


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class VmDetailView(CheckedDetailView):
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    template_name = "dashboard/vm-detail.html"
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    model = Instance
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    def get_context_data(self, **kwargs):
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        context = super(VmDetailView, self).get_context_data(**kwargs)
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        instance = context['instance']
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        context.update({
            'graphite_enabled': VmGraphView.get_graphite_url() is not None,
            'vnc_url': reverse_lazy("dashboard.views.detail-vnc",
                                    kwargs={'pk': self.object.pk})
        })
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        # activity data
        ia = InstanceActivity.objects.filter(
            instance=self.object, parent=None
        ).order_by('-started').select_related()
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        context['activities'] = ia
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        context['vlans'] = Vlan.get_objects_with_level(
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            'user', self.request.user
        ).exclude(
            pk__in=Interface.objects.filter(
                instance=self.get_object()).values_list("vlan", flat=True)
        ).all()
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        context['acl'] = get_vm_acl_data(instance)
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        context['forms'] = {
            'disk_add_form': DiskAddForm(prefix="disk"),
        }
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        context['os_type_icon'] = instance.os_type.replace("unknown",
                                                           "question")
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        return context
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    def post(self, request, *args, **kwargs):
        if (request.POST.get('ram-size') and request.POST.get('cpu-count')
                and request.POST.get('cpu-priority')):
            return self.__set_resources(request)

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        options = {
            'change_password': self.__change_password,
            'new_name': self.__set_name,
            'new_tag': self.__add_tag,
            'to_remove': self.__remove_tag,
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            'port': self.__add_port,
            'new_network_vlan': self.__new_network,
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            'save_as': self.__save_as,
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            'disk-name': self.__add_disk,
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            'shut_down': self.__shut_down,
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            'sleep': self.__sleep,
            'wake_up': self.__wake_up,
            'deploy': self.__deploy,
            'reset': self.__reset,
            'reboot': self.__reboot,
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            'shut_off': self.__shut_off,
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        }
        for k, v in options.iteritems():
            if request.POST.get(k) is not None:
                return v(request)
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    def __change_password(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
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        self.object.change_password(user=request.user)
        messages.success(request, _("Password changed!"))
        if request.is_ajax():
            return HttpResponse("Success!")
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.object.pk}))
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    def __set_resources(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
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        if not request.user.has_perm('vm.change_resources'):
            raise PermissionDenied()
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        resources = {
            'num_cores': request.POST.get('cpu-count'),
            'ram_size': request.POST.get('ram-size'),
            'priority': request.POST.get('cpu-priority')
        }
        Instance.objects.filter(pk=self.object.pk).update(**resources)

        success_message = _("Resources successfully updated!")
        if request.is_ajax():
            response = {'message': success_message}
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.object.pk}))

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    def __set_name(self, request):
        self.object = self.get_object()
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        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
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        new_name = request.POST.get("new_name")
        Instance.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

        success_message = _("VM successfully renamed!")
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
                'vm_pk': self.object.pk
            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.object.pk}))

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    def __add_tag(self, request):
        new_tag = request.POST.get('new_tag')
        self.object = self.get_object()
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        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
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        if len(new_tag) < 1:
            message = u"Please input something!"
        elif len(new_tag) > 20:
            message = u"Tag name is too long!"
        else:
            self.object.tags.add(new_tag)

        try:
            messages.error(request, message)
        except:
            pass

        return redirect(reverse_lazy("dashboard.views.detail",
                                     kwargs={'pk': self.object.pk}))

    def __remove_tag(self, request):
        try:
            to_remove = request.POST.get('to_remove')
            self.object = self.get_object()
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            if not self.object.has_level(request.user, 'owner'):
                raise PermissionDenied()
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            self.object.tags.remove(to_remove)
            message = u"Success"
        except:  # note this won't really happen
            message = u"Not success"

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': message}),
                content_type="application=json"
            )

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    def __add_port(self, request):
        object = self.get_object()
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        if (not object.has_level(request.user, 'owner') or
                not request.user.has_perm('vm.config_ports')):
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            raise PermissionDenied()
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        port = request.POST.get("port")
        proto = request.POST.get("proto")

        try:
            error = None
            host = Host.objects.get(pk=request.POST.get("host_pk"))
            host.add_port(proto, private=port)
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        except ValueError:
            error = _("There is a problem with your input!")
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        except Exception, e:
            error = u', '.join(e.messages)

        if request.is_ajax():
            pass
        else:
            if error:
                messages.error(request, error)
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.get_object().pk}))

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    def __new_network(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        vlan = Vlan.objects.get(pk=request.POST.get("new_network_vlan"))
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        if not vlan.has_level(request.user, 'user'):
            raise PermissionDenied()
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        try:
            Interface.create(vlan=vlan, instance=self.object,
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                             managed=vlan.managed, owner=request.user)
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            messages.success(request, _("Successfully added new interface!"))
        except Exception, e:
            error = u' '.join(e.messages)
            messages.error(request, error)

        return redirect("%s#network" % reverse_lazy(
            "dashboard.views.detail", kwargs={'pk': self.object.pk}))

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    def __save_as(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        date = datetime.now().strftime("%Y-%m-%d %H:%M")
        new_name = "Saved from %s (#%d) at %s" % (
            self.object.name, self.object.pk, date
        )
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        template = self.object.save_as_template(name=new_name,
                                                owner=request.user)
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        messages.success(request, _("Instance succesfully saved as template, "
                                    "please rename it!"))
        return redirect(reverse_lazy("dashboard.views.template-detail",
                                     kwargs={'pk': template.pk}))

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    def __add_disk(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        form = DiskAddForm(request.POST, prefix="disk")
        if form.is_valid():
            messages.success(request, _("New disk successfully created!"))
            form.save(self.object)
        else:
            error = "<br /> ".join(["<strong>%s</strong>: %s" %
                                    (title(i[0]), i[1][0])
                                    for i in form.errors.items()])
            messages.error(request, error)

        return redirect("%s#resources" % reverse_lazy(
            "dashboard.views.detail", kwargs={'pk': self.object.pk}))

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    def __shut_down(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        self.object.shutdown_async(request.user)
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        return redirect("%s#activity" % self.object.get_absolute_url())

    def __sleep(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        self.object.sleep_async(request.user)
        return redirect("%s#activity" % self.object.get_absolute_url())

    def __wake_up(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        self.object.wake_up_async(request.user)
        return redirect("%s#activity" % self.object.get_absolute_url())

    def __deploy(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        self.object.deploy_async(request.user)
        return redirect("%s#activity" % self.object.get_absolute_url())

    def __reset(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        self.object.reset_async(request.user)
        return redirect("%s#activity" % self.object.get_absolute_url())

    def __reboot(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        self.object.reboot_async(request.user)
        return redirect("%s#activity" % self.object.get_absolute_url())
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    def __shut_off(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        self.object.shut_off_async(request.user)
        return redirect("%s#activity" % self.object.get_absolute_url())

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class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
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    template_name = "dashboard/node-detail.html"
    model = Node

    def get_context_data(self, **kwargs):
        context = super(NodeDetailView, self).get_context_data(**kwargs)
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        instances = Instance.active.filter(node=self.object)
        context['table'] = NodeVmListTable(instances)
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        na = NodeActivity.objects.filter(
            node=self.object, parent=None
        ).order_by('-started').select_related()
        context['activities'] = na
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        context['graphite_enabled'] = (
            NodeGraphView.get_graphite_url() is not None)
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        return context

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    def post(self, request, *args, **kwargs):
        if request.POST.get('new_name'):
            return self.__set_name(request)
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        if request.POST.get('new_status'):
            return self.__set_status(request)
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    def __set_name(self, request):
        self.object = self.get_object()
        new_name = request.POST.get("new_name")
        Node.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

        success_message = _("Node successfully renamed!")
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
                'node_pk': self.object.pk
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            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(reverse_lazy("dashboard.views.node-detail",
                                         kwargs={'pk': self.object.pk}))

    def __set_status(self, request):
        self.object = self.get_object()
        new_status = request.POST.get("new_status")
        if new_status == "enable":
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            self.object.enable(user=request.user)
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        elif new_status == "disable":
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            self.object.disable(user=request.user)
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        else:
            return

        success_message = _("Node successfully changed status!")
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_status': new_status,
                'node_pk': self.object.pk
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            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(reverse_lazy("dashboard.views.node-detail",
                                         kwargs={'pk': self.object.pk}))


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class GroupDetailView(CheckedDetailView):
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    template_name = "dashboard/group-detail.html"
    model = Group
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    def get_has_level(self):
        return self.object.profile.has_level
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    def get_context_data(self, **kwargs):
        context = super(GroupDetailView, self).get_context_data(**kwargs)
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        context['group'] = self.object
        context['users'] = self.object.user_set.all()
        context['acl'] = get_group_acl_data(self.object)
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        return context

    def post(self, request, *args, **kwargs):
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        if request.POST.get('new_name'):
            return self.__set_name(request)

    def __set_name(self, request):
        self.object = self.get_object()
        new_name = request.POST.get("new_name")
        Group.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

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        success_message = _("Group successfully renamed!")
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        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
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                'group_pk': self.object.pk
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            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(reverse_lazy("dashboard.views.group-detail",
                                         kwargs={'pk': self.object.pk}))


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class AclUpdateView(LoginRequiredMixin, View, SingleObjectMixin):
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    def post(self, request, *args, **kwargs):
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        instance = self.get_object()
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        if not (instance.has_level(request.user, "owner") or
                getattr(instance, 'owner', None) == request.user):
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            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(instance), unicode(request.user))
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            raise PermissionDenied()
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        self.set_levels(request, instance)
        self.add_levels(request, instance)
        return redirect(instance)

    def set_levels(self, request, instance):
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        for key, value in request.POST.items():
            m = re.match('perm-([ug])-(\d+)', key)
            if m:
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                typ, id = m.groups()
                entity = {'u': User, 'g': Group}[typ].objects.get(id=id)
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                if getattr(instance, "owner", None) == entity:
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                    logger.info("Tried to set owner's acl level for %s by %s.",
                                unicode(instance), unicode(request.user))
                    continue
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                instance.set_level(entity, value)
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                logger.info("Set %s's acl level for %s to %s by %s.",
                            unicode(entity), unicode(instance),
                            value, unicode(request.user))
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    def add_levels(self, request, instance):
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        name = request.POST['perm-new-name']
        value = request.POST['perm-new']
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        if not name:
            return
        try:
            entity = User.objects.get(username=name)
        except User.DoesNotExist:
            entity = None
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            try:
                entity = Group.objects.get(name=name)
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            except Group.DoesNotExist:
                warning(request, _('User or group "%s" not found.') % name)
                return

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        instance.set_level(entity, value)
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        logger.info("Set %s's new acl level for %s to %s by %s.",
                    unicode(entity), unicode(instance),
                    value, unicode(request.user))
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class TemplateAclUpdateView(AclUpdateView):
    model = InstanceTemplate

    def post(self, request, *args, **kwargs):
        template = self.get_object()
        if not (template.has_level(request.user, "owner") or
                getattr(template, 'owner', None) == request.user):
            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(template), unicode(request.user))
            raise PermissionDenied()
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        name = request.POST['perm-new-name']
        if (User.objects.filter(username=name).count() +
                Group.objects.filter(name=name).count() < 1
                and len(name) > 0):
            warning(request, _('User or group "%s" not found.') % name)
        else:
            self.set_levels(request, template)
            self.add_levels(request, template)

            post_for_disk = request.POST.copy()
            post_for_disk['perm-new'] = 'user'
            request.POST = post_for_disk
            for d in template.disks.all():
                self.add_levels(request, d)
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        return redirect(reverse("dashboard.views.template-detail",
                                kwargs=self.kwargs))


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class GroupAclUpdateView(AclUpdateView):
    model = Group

    def post(self, request, *args, **kwargs):
        instance = self.get_object().profile
        if not (instance.has_level(request.user, "owner") or
                getattr(instance, 'owner', None) == request.user):
            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(instance), unicode(request.user))
            raise PermissionDenied()
        name = request.POST['perm-new-name']
        if (User.objects.filter(username=name).count() +
                Group.objects.filter(name=name).count() < 1
                and len(name) > 0):
            warning(request, _('User or group "%s" not found.') % name)
        else:
            self.set_levels(request, instance)
            self.add_levels(request, instance)
#        return redirect(self.profile)
        return redirect(reverse("dashboard.views.group-detail",
                                kwargs=self.kwargs))

    def repost(self, request, *args, **kwargs):
        group = self.get_object()
        if not (group.profile.has_level(request.user, "owner") or
                getattr(group.profile, 'owner', None) == request.user):
            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(group), unicode(request.user))
            raise PermissionDenied()

        name = request.POST['perm-new-name']
        if (User.objects.filter(username=name).count() +
                Group.objects.filter(name=name).count() < 1
                and len(name) > 0):
            warning(request, _('User or group "%s" not found.') % name)
        else:
            self.set_levels(request, group.profile)
            self.add_levels(request, group.profile)

        return redirect(reverse("dashboard.views.group-detail",
                                kwargs=self.kwargs))


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class TemplateCreate(SuccessMessageMixin, CreateView):
    model = InstanceTemplate
    form_class = TemplateForm
    template_name = "dashboard/template-create.html"
    success_message = _("Successfully created a new template!")

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    def get(self, *args, **kwargs):
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        if not self.request.user.has_perm('vm.create_template'):
            raise PermissionDenied()
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        self.parent = self.request.GET.get("parent")
        return super(TemplateCreate, self).get(*args, **kwargs)

    def get_form_kwargs(self):
        kwargs = super(TemplateCreate, self).get_form_kwargs()
        kwargs['parent'] = getattr(self, "parent", None)
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        kwargs['user'] = self.request.user
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        return kwargs

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    def post(self, request, *args, **kwargs):
        if not self.request.user.has_perm('vm.create_template'):
            raise PermissionDenied()
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        form = self.form_class(request.POST, user=request.user)
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        if not form.is_valid():
            return self.get(request, form, *args, **kwargs)
        post = form.cleaned_data
        for disk in post['disks']:
            if not disk.has_level(request.user, 'user'):
                raise PermissionDenied()
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        return super(TemplateCreate, self).post(self, request, args, kwargs)

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    def get_success_url(self):
        return reverse_lazy("dashboard.views.template-list")


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class TemplateDetail(LoginRequiredMixin, SuccessMessageMixin, UpdateView):
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    model = InstanceTemplate
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    template_name = "dashboard/template-edit.html"
    form_class = TemplateForm
    success_message = _("Successfully modified template!")
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    def get(self, request, *args, **kwargs):
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        template = InstanceTemplate.objects.get(pk=kwargs['pk'])
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        if not template.has_level(request.user, 'user'):
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            raise PermissionDenied()
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        if request.is_ajax():
            template = {
                'num_cores': template.num_cores,
                'ram_size': template.ram_size,
                'priority': template.priority,
                'arch': template.arch,
                'description': template.description,
                'system': template.system,
                'name': template.name,
                'disks': [{'pk': d.pk, 'name': d.name}
                          for d in template.disks.all()],
                'network': [
                    {'vlan_pk': i.vlan.pk, 'vlan': i.vlan.name,
                     'managed': i.managed}
                    for i in InterfaceTemplate.objects.filter(
                        template=self.get_object()).all()
                ]
            }
            return HttpResponse(json.dumps(template),
                                content_type="application/json")
        else:
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            return super(TemplateDetail, self).get(request, *args, **kwargs)

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    def get_context_data(self, **kwargs):
        context = super(TemplateDetail, self).get_context_data(**kwargs)
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        context['acl'] = get_vm_acl_data(self.get_object())
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        return context

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    def get_success_url(self):
        return reverse_lazy("dashboard.views.template-detail",
                            kwargs=self.kwargs)

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    def post(self, request, *args, **kwargs):
        template = self.get_object()
        if not template.has_level(request.user, 'owner'):
            raise PermissionDenied()
        for disk in self.get_object().disks.all():
            if not disk.has_level(request.user, 'user'):
                raise PermissionDenied()
        return super(TemplateDetail, self).post(self, request, args, kwargs)

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    def get_form_kwargs(self):
        kwargs = super(TemplateDetail, self).get_form_kwargs()
        kwargs['user'] = self.request.user
        return kwargs

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class TemplateList(LoginRequiredMixin, SingleTableView):
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    template_name = "dashboard/template-list.html"
    model = InstanceTemplate
    table_class = TemplateListTable
    table_pagination = False

    def get_context_data(self, *args, **kwargs):
        context = super(TemplateList, self).get_context_data(*args, **kwargs)
        context['lease_table'] = LeaseListTable(Lease.objects.all())
        return context
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    def get_queryset(self):
        logger.debug('TemplateList.get_queryset() called. User: %s',
                     unicode(self.request.user))
        return InstanceTemplate.get_objects_with_level(
            'user', self.request.user).all()

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class TemplateDelete(LoginRequiredMixin, DeleteView):
    model = InstanceTemplate

    def get_success_url(self):
        return reverse("dashboard.views.template-list")

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/confirm/ajax-delete.html']
        else:
            return ['dashboard/confirm/base-delete.html']

    def delete(self, request, *args, **kwargs):
        object = self.get_object()
        if not object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        object.delete()
        success_url = self.get_success_url()
        success_message = _("Template successfully deleted!")

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json",
            )
        else:
            messages.success(request, success_message)
            return HttpResponseRedirect(success_url)


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class VmList(LoginRequiredMixin, SingleTableView):
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    template_name = "dashboard/vm-list.html"
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    table_class = VmListTable
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    table_pagination = False
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    model = Instance

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    def get(self, *args, **kwargs):
        if self.request.is_ajax():
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            favs = Instance.objects.filter(
                favourite__user=self.request.user).values_list('pk', flat=True)
            instances = Instance.get_objects_with_level(
                'user', self.request.user).filter(
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                destroyed=None).all()
            instances = [{
                'pk': i.pk,
                'name': i.name,
                'state': i.state,
                'fav': i.pk in favs} for i in instances]
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            return HttpResponse(
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                json.dumps(list(instances)),  # instances is ValuesQuerySet
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                content_type="application/json",
            )
        else:
            return super(VmList, self).get(*args, **kwargs)

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    def get_queryset(self):
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        logger.debug('VmList.get_queryset() called. User: %s',
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                     unicode(self.request.user))
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        queryset = Instance.get_objects_with_level(
            'user', self.request.user).filter(destroyed=None)
        s = self.request.GET.get("s")
        if s:
            queryset = queryset.filter(name__icontains=s)
        return queryset
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class NodeList(LoginRequiredMixin, SuperuserRequiredMixin, SingleTableView):
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    template_name = "dashboard/node-list.html"
    model = Node
    table_class = NodeListTable
    table_pagination = False
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class GroupList(LoginRequiredMixin, SuperuserRequiredMixin, SingleTableView):
    template_name = "dashboard/group-list.html"
    model = Group
    table_class = GroupListTable
    table_pagination = False


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class GroupUserDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):

    """This stuff deletes the group.
    """
    model = User
    template_name = "dashboard/confirm/base-delete.html"

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/confirm/ajax-delete.html']
        else:
            return ['dashboard/confirm/base-delete.html']

    def get_context_data(self, **kwargs):
        # this is redundant now, but if we wanna add more to print
        # we'll need this
        context = super(GroupUserDelete, self).get_context_data(**kwargs)
        return context

    # github.com/django/django/blob/master/django/views/generic/edit.py#L245
    def delete(self, request, *args, **kwargs):
        object = self.get_object()

        object.delete()
        success_url = self.get_success_url()
        success_message = _("Group successfully deleted!")

        if request.is_ajax():
            if request.POST.get('redirect').lower() == "true":
                messages.success(request, success_message)
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json",
            )
        else:
            messages.success(request, success_message)
            return HttpResponseRedirect(success_url)

    def get_success_url(self):
        next = self.request.POST.get('next')
        if next:
            return next
        else:
            return reverse_lazy('dashboard.index')


class GroupDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):

    """This stuff deletes the group.
    """
    model = Group
    template_name = "dashboard/confirm/base-delete.html"

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/confirm/ajax-delete.html']
        else:
            return ['dashboard/confirm/base-delete.html']

    def get_context_data(self, **kwargs):
        # this is redundant now, but if we wanna add more to print
        # we'll need this
        context = super(GroupDelete, self).get_context_data(**kwargs)
        return context

    # github.com/django/django/blob/master/django/views/generic/edit.py#L245
    def delete(self, request, *args, **kwargs):
        object = self.get_object()

        object.delete()
        success_url = self.get_success_url()
        success_message = _("Group successfully deleted!")

        if request.is_ajax():
            if request.POST.get('redirect').lower() == "true":
                messages.success(request, success_message)
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json",
            )
        else:
            messages.success(request, success_message)
            return HttpResponseRedirect(success_url)

    def get_success_url(self):
        next = self.request.POST.get('next')
        if next:
            return next
        else:
            return reverse_lazy('dashboard.index')


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class VmCreate(LoginRequiredMixin, TemplateView):
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    form_class = VmCustomizeForm
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    form = None

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    def get_template_names(self):
        if self.request.is_ajax():
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            return ['dashboard/modal-wrapper.html']
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        else:
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            return ['dashboard/nojs-wrapper.html']
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    def get(self, request, form=None, *args, **kwargs):
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        form_error = form is not None
        template = (form.template.pk if form_error
                    else request.GET.get("template"))
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        templates = InstanceTemplate.get_objects_with_level('user',
                                                            request.user)
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        if form is None and template:
            form = self.form_class(user=request.user,
                                   template=templates.get(pk=template))

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        context = self.get_context_data(**kwargs)
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        if template:
            context.update({
                'template': 'dashboard/_vm-create-2.html',
                'box_title': _('Customize VM'),
                'ajax_title': False,
                'vm_create_form': form,
                'template_o': templates.get(pk=template),
            })
        else:
            context.update({
                'template': 'dashboard/_vm-create-1.html',
                'box_title': _('Create a VM'),
                'ajax_title': False,
                'templates': templates.all(),
            })
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        return self.render_to_response(context)
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    def __create_normal(self, request, *args, **kwargs):
        user = request.user
        template = InstanceTemplate.objects.get(
            pk=request.POST.get("template"))

        # permission check
        if not template.has_level(request.user, 'user'):
            raise PermissionDenied()

        inst = Instance.create_from_template(
            template=template, owner=user)
        return self.__deploy(request, inst)

    def __create_customized(self, request, *args, **kwargs):
        user = request.user
        form = self.form_class(
            request.POST, user=request.user,
            template=InstanceTemplate.objects.get(
                pk=request.POST.get("template")
            )
        )
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        if not form.is_valid():
            return self.get(request, form, *args, **kwargs)
        post = form.cleaned_data

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        template = InstanceTemplate.objects.get(pk=post['template'])
        # permission check
        if not template.has_level(user, 'user'):
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            raise PermissionDenied()
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        if request.user.has_perm('vm.set_resources'):
            ikwargs = {
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                'name': post['name'],
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                'num_cores': post['cpu_count'],
                'ram_size': post['ram_size'],
                'priority': post['cpu_priority'],
            }
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            networks = [InterfaceTemplate(vlan=l, managed=l.managed)
                        for l in post['networks']]
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            disks = post['disks']
            inst = Instance.create_from_template(
                template=template, owner=user, networks=networks,
                disks=disks, **ikwargs)
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            return self.__deploy(request, inst)
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        else:
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            raise PermissionDenied()

    def __deploy(self, request, instance, *args, **kwargs):
        instance.deploy_async(user=request.user)
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        messages.success(request, _('VM successfully created!'))
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        path = instance.get_absolute_url()
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        if request.is_ajax():
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            return HttpResponse(json.dumps({'redirect': path}),
                                content_type="application/json")
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        else:
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            return redirect("%s#activity" % path)

    def post(self, request, *args, **kwargs):
        user = request.user

        # limit chekcs
        try:
            limit = user.profile.instance_limit
        except Exception as e:
            logger.debug('No profile or instance limit: %s', e)
        else:
            current = Instance.active.filter(owner=user).count()
            logger.debug('current use: %d, limit: %d', current, limit)
            if limit < current:
                messages.error(request,
                               _('Instance limit (%d) exceeded.') % limit)
                if request.is_ajax():
                    return HttpResponse(json.dumps({'redirect': '/'}),
                                        content_type="application/json")
                else:
                    return redirect('/')

        create_func = (self.__create_normal if
                       request.POST.get("customized") is None else
                       self.__create_customized)

        return create_func(request, *args, **kwargs)
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class NodeCreate(LoginRequiredMixin, SuperuserRequiredMixin, TemplateView):
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    form_class = HostForm
    hostform = None

    formset_class = inlineformset_factory(Host, Node, form=NodeForm, extra=1)
    formset = None

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    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/modal-wrapper.html']
        else:
            return ['dashboard/nojs-wrapper.html']

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    def get(self, request, hostform=None, formset=None, *args, **kwargs):
        if hostform is None:
            hostform = self.form_class()
        if formset is None:
            formset = self.formset_class(instance=Host())
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        context = self.get_context_data(**kwargs)
        context.update({
            'template': 'dashboard/node-create.html',
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            'box_title': 'Create a Node',
            'hostform': hostform,
            'formset': formset,

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        })
        return self.render_to_response(context)

    def get_context_data(self, **kwargs):
        context = super(NodeCreate, self).get_context_data(**kwargs)
        # TODO acl
        context.update({
        })

        return context

    # TODO handle not ajax posts
    def post(self, request, *args, **kwargs):
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        if not self.request.user.is_authenticated():
            raise PermissionDenied()
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        hostform = self.form_class(request.POST)
        formset = self.formset_class(request.POST, Host())
        if not hostform.is_valid():
            return self.get(request, hostform, formset, *args, **kwargs)
        hostform.setowner(request.user)
        savedform = hostform.save(commit=False)
        formset = self.formset_class(request.POST, instance=savedform)
        if not formset.is_valid():
            return self.get(request, hostform, formset, *args, **kwargs)

        savedform.save()
        nodemodel = formset.save()
        messages.success(request, _('Node successfully created!'))
        path = nodemodel[0].get_absolute_url()
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        if request.is_ajax():
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            return HttpResponse(json.dumps({'redirect': path}),
                                content_type="application/json")
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        else:
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            return redirect(path)
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class VmDelete(LoginRequiredMixin, DeleteView):
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    model = Instance
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    template_name = "dashboard/confirm/base-delete.html"

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/confirm/ajax-delete.html']
        else:
            return ['dashboard/confirm/base-delete.html']
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    def get_success_url(self):
        next = self.request.POST.get('next')
        if next:
            return next
        else:
            return reverse_lazy('dashboard.index')
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    def get_context_data(self, **kwargs):
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        object = self.get_object()
        if not object.has_level(self.request.user, 'owner'):
            raise PermissionDenied()
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        # this is redundant now, but if we wanna add more to print
        # we'll need this
        context = super(VmDelete, self).get_context_data(**kwargs)
        return context

    # github.com/django/django/blob/master/django/views/generic/edit.py#L245
    def delete(self, request, *args, **kwargs):
        object = self.get_object()
        if not object.has_level(request.user, 'owner'):
            raise PermissionDenied()

        object.destroy_async(user=request.user)
        success_url = self.get_success_url()
        success_message = _("VM successfully deleted!")

        if request.is_ajax():
            if request.POST.get('redirect').lower() == "true":
                messages.success(request, success_message)
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json",
            )
        else:
            messages.success(request, success_message)
            return HttpResponseRedirect(success_url)


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class NodeDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
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    """This stuff deletes the node.
    """
    model = Node
    template_name = "dashboard/confirm/base-delete.html"

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/confirm/ajax-delete.html']
        else:
            return ['dashboard/confirm/base-delete.html']

    def get_context_data(self, **kwargs):
        # this is redundant now, but if we wanna add more to print
        # we'll need this
        context = super(NodeDelete, self).get_context_data(**kwargs)
        return context

    # github.com/django/django/blob/master/django/views/generic/edit.py#L245
    def delete(self, request, *args, **kwargs):
        object = self.get_object()

        object.delete()
        success_url = self.get_success_url()
        success_message = _("Node successfully deleted!")

        if request.is_ajax():
            if request.POST.get('redirect').lower() == "true":
                messages.success(request, success_message)
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json",
            )
        else:
            messages.success(request, success_message)
            return HttpResponseRedirect(success_url)

    def get_success_url(self):
        next = self.request.POST.get('next')
        if next:
            return next
        else:
            return reverse_lazy('dashboard.index')
1276

1277

1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333
class NodeStatus(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
    template_name = "dashboard/confirm/node-status.html"
    model = Node

    def get_success_url(self):
        next = self.request.GET.get('next')
        if next:
            return next
        else:
            return reverse_lazy("dashboard.views.node-detail",
                                kwargs={'pk': self.object.pk})

    def get_context_data(self, **kwargs):
        context = super(NodeStatus, self).get_context_data(**kwargs)
        context['status'] = self.request.GET.get('status')
        return context

    def post(self, request, *args, **kwargs):
        if request.POST.get('new_status'):
            print self.request.GET.get('next')
            return self.__set_status(request)

    def __set_status(self, request):
        self.object = self.get_object()
        new_status = request.POST.get("new_status")

        if new_status == "enable":
            Node.objects.filter(pk=self.object.pk).update(
                **{'enabled': True})
        elif new_status == "disable":
            Node.objects.filter(pk=self.object.pk).update(
                **{'enabled': False})
        else:
            if request.is_ajax():
                return HttpResponse(content_type="application/json")

            else:
                return redirect(self.get_success_url())

        success_message = _("Node successfully changed status!")

        if request.is_ajax():
            response = {
                'message': success_message,
                'new_status': new_status,
                'node_pk': self.object.pk
            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(self.get_success_url())


1334
class PortDelete(LoginRequiredMixin, DeleteView):
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    model = Rule
    pk_url_kwarg = 'rule'

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/confirm/ajax-delete.html']
        else:
            return ['dashboard/confirm/base-delete.html']

    def get_context_data(self, **kwargs):
        context = super(PortDelete, self).get_context_data(**kwargs)
        rule = kwargs.get('object')
        instance = rule.host.interface_set.get().instance
        context['title'] = _("Port delete confirmation")
        context['text'] = _("Are you sure you want to close %(port)d/"
                            "%(proto)s on %(vm)s?" % {'port': rule.dport,
                                                      'proto': rule.proto,
                                                      'vm': instance})
        return context

    def delete(self, request, *args, **kwargs):
        rule = Rule.objects.get(pk=kwargs.get("rule"))
        instance = rule.host.interface_set.get().instance
        if not instance.has_level(request.user, 'owner'):
            raise PermissionDenied()

        super(PortDelete, self).delete(request, *args, **kwargs)

        success_url = self.get_success_url()
        success_message = _("Port successfully removed!")

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json",
            )
        else:
            messages.success(request, success_message)
            return HttpResponseRedirect("%s#network" % success_url)

    def get_success_url(self):
        return reverse_lazy('dashboard.views.detail',
                            kwargs={'pk': self.kwargs.get("pk")})


1380
class VmMassDelete(LoginRequiredMixin, View):
1381
    def get(self, request, *args, **kwargs):
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        vms = request.GET.getlist('v[]')
        objects = Instance.objects.filter(pk__in=vms)
        return render(request, "dashboard/confirm/mass-delete.html",
                      {'objects': objects})

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    def post(self, request, *args, **kwargs):
        vms = request.POST.getlist('vms')
        names = []
        if vms is not None:
            for i in Instance.objects.filter(pk__in=vms):
                if not i.has_level(request.user, 'owner'):
                    logger.info('Tried to delete instance #%d without owner '
                                'permission by %s.', i.pk,
                                unicode(request.user))
                    raise PermissionDenied()  # no need for rollback or proper
                                            # error message, this can't
                                            # normally happen.
                i.destroy_async(request.user)
                names.append(i.name)

        success_message = _("Mass delete complete, the following VMs were " +
                            "deleted: %s!" % u', '.join(names))

        # we can get this only via AJAX ...
        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            next = request.GET.get('next')
            return redirect(next if next else reverse_lazy('dashboard.index'))
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1417 1418
class LeaseCreate(LoginRequiredMixin, SuperuserRequiredMixin,
                  SuccessMessageMixin, CreateView):
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    model = Lease
    form_class = LeaseForm
    template_name = "dashboard/lease-create.html"
    success_message = _("Successfully created a new lease!")

    def get_success_url(self):
        return reverse_lazy("dashboard.views.template-list")


1428 1429
class LeaseDetail(LoginRequiredMixin, SuperuserRequiredMixin,
                  SuccessMessageMixin, UpdateView):
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    model = Lease
    form_class = LeaseForm
    template_name = "dashboard/lease-edit.html"
    success_message = _("Successfully modified lease!")

    def get_success_url(self):
        return reverse_lazy("dashboard.views.lease-detail", kwargs=self.kwargs)


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class LeaseDelete(LoginRequiredMixin, SuperuserRequiredMixin, DeleteView):
    model = Lease

    def get_success_url(self):
        return reverse("dashboard.views.template-list")

    def get_template_names(self):
        if self.request.is_ajax():
            return ['dashboard/confirm/ajax-delete.html']
        else:
            return ['dashboard/confirm/base-delete.html']

    def delete(self, request, *args, **kwargs):
        object = self.get_object()

        object.delete()
        success_url = self.get_success_url()
        success_message = _("Lease successfully deleted!")

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': success_message}),
                content_type="application/json",
            )
        else:
            messages.success(request, success_message)
            return HttpResponseRedirect(success_url)


1468
@require_GET
1469
def vm_activity(request, pk):
1470 1471
    instance = Instance.objects.get(pk=pk)
    if not instance.has_level(request.user, 'owner'):
1472 1473
        raise PermissionDenied()

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    response = {}
    only_state = request.GET.get("only_state")

    response['state'] = instance.state
    if only_state is not None and only_state == "false":  # instance activity
        print "Sdsa"
        activities = render_to_string(
            "dashboard/vm-detail/_activity-timeline.html",
            {'activities': InstanceActivity.objects.filter(
                instance=instance, parent=None
            ).order_by('-started').select_related()}
        )
        response['activities'] = activities
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    return HttpResponse(
        json.dumps(response),
        content_type="application/json"
    )
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class FavouriteView(TemplateView):

    def post(self, *args, **kwargs):
        user = self.request.user
        vm = Instance.objects.get(pk=self.request.POST.get("vm"))
        try:
            Favourite.objects.get(instance=vm, user=user).delete()
            return HttpResponse("Deleted!")
        except Favourite.DoesNotExist:
            Favourite(instance=vm, user=user).save()
            return HttpResponse("Added!")


1507 1508
class TransferOwnershipView(LoginRequiredMixin, DetailView):
    model = Instance
1509
    template_name = 'dashboard/vm-detail/tx-owner.html'
1510 1511 1512

    def post(self, request, *args, **kwargs):
        try:
1513
            new_owner = search_user(request.POST['name'])
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        except User.DoesNotExist:
            messages.error(request, _('Can not find specified user.'))
            return self.get(request, *args, **kwargs)
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        except KeyError:
            raise SuspiciousOperation()

        obj = self.get_object()
        if not (obj.owner == request.user or
                request.user.is_superuser):
            raise PermissionDenied()

        token = signing.dumps((obj.pk, new_owner.pk),
                              salt=TransferOwnershipConfirmView.get_salt())
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        token_path = reverse(
            'dashboard.views.vm-transfer-ownership-confirm', args=[token])
        try:
            new_owner.profile.notify(
                _('Ownership offer'),
                'dashboard/notifications/ownership-offer.html',
                {'instance': obj, 'token': token_path})
        except Profile.DoesNotExist:
            messages.error(request, _('Can not notify selected user.'))
        else:
            messages.success(request,
                             _('User %s is notified about the offer.') % (
                                 unicode(new_owner), ))

        return redirect(reverse_lazy("dashboard.views.detail",
                                     kwargs={'pk': obj.pk}))
1543 1544


1545
class TransferOwnershipConfirmView(LoginRequiredMixin, View):
1546 1547
    """User can accept an ownership offer."""

1548
    max_age = 3 * 24 * 3600
1549
    success_message = _("Ownership successfully transferred to you.")
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    @classmethod
    def get_salt(cls):
        return unicode(cls)