views.py 115 KB
Newer Older
1
# Copyright 2014 Budapest University of Technology and Economics (BME IK)
2

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
#
# This file is part of CIRCLE Cloud.
#
# CIRCLE is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# CIRCLE is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with CIRCLE.  If not, see <http://www.gnu.org/licenses/>.

19
from __future__ import unicode_literals, absolute_import
20

21
from collections import OrderedDict
22
from itertools import chain
23
from os import getenv
24
from os.path import join, normpath, dirname, basename
25
import json
Őry Máté committed
26
import logging
27
import re
28
import requests
29

30
from django.conf import settings
31
from django.contrib.auth.models import User, Group
Őry Máté committed
32
from django.contrib.auth.views import login, redirect_to_login
33
from django.contrib.auth.decorators import login_required
34
from django.contrib.messages import warning
35
from django.contrib.messages.views import SuccessMessageMixin
36
from django.core.exceptions import (
37
    PermissionDenied, SuspiciousOperation,
38
)
Kálmán Viktor committed
39
from django.core.cache import get_cache
40 41
from django.core import signing
from django.core.urlresolvers import reverse, reverse_lazy
42
from django.db.models import Count
43
from django.http import HttpResponse, HttpResponseRedirect, Http404
44 45 46
from django.shortcuts import (
    redirect, render, get_object_or_404, render_to_response,
)
47
from django.views.decorators.http import require_GET, require_POST
48
from django.views.generic.detail import SingleObjectMixin
49
from django.views.generic import (TemplateView, DetailView, View, DeleteView,
50
                                  UpdateView, CreateView, ListView)
51
from django.contrib import messages
52
from django.utils.translation import ugettext as _, ugettext_noop
53
from django.utils.translation import ungettext as __
54
from django.template.loader import render_to_string
55
from django.template import RequestContext
56

57
from django.forms.models import inlineformset_factory
58
from django_tables2 import SingleTableView
59 60
from braces.views import (LoginRequiredMixin, SuperuserRequiredMixin,
                          PermissionRequiredMixin)
61
from braces.views._access import AccessMixin
Kálmán Viktor committed
62

63 64
from django_sshkey.models import UserKey

65
from .forms import (
66
    CircleAuthenticationForm, HostForm, LeaseForm, MyProfileForm,
67
    NodeForm, TemplateForm, TraitForm, VmCustomizeForm, GroupCreateForm,
68
    UserCreationForm, GroupProfileUpdateForm, UnsubscribeForm,
69
    VmSaveForm, UserKeyForm, VmRenewForm,
70
    CirclePasswordChangeForm, VmCreateDiskForm, VmDownloadDiskForm,
71
    TraitsForm, RawDataForm, GroupPermissionForm
72
)
73 74 75

from .tables import (
    NodeListTable, NodeVmListTable, TemplateListTable, LeaseListTable,
76
    GroupListTable, UserKeyListTable
77
)
Őry Máté committed
78 79 80 81
from vm.models import (
    Instance, instance_activity, InstanceActivity, InstanceTemplate, Interface,
    InterfaceTemplate, Lease, Node, NodeActivity, Trait,
)
82
from storage.models import Disk
83
from firewall.models import Vlan, Host, Rule
84
from .models import Favourite, Profile, GroupProfile, FutureMember
85

86
from .store_api import Store, NoStoreException
Kálmán Viktor committed
87

Őry Máté committed
88
logger = logging.getLogger(__name__)
89
saml_available = hasattr(settings, "SAML_CONFIG")
90

91

92 93 94 95
def search_user(keyword):
    try:
        return User.objects.get(username=keyword)
    except User.DoesNotExist:
96 97 98 99
        try:
            return User.objects.get(profile__org_id=keyword)
        except User.DoesNotExist:
            return User.objects.get(email=keyword)
100 101


102 103 104 105 106 107 108 109 110 111 112 113 114
class RedirectToLoginMixin(AccessMixin):

    redirect_exception_classes = (PermissionDenied, )

    def dispatch(self, request, *args, **kwargs):
        try:
            return super(RedirectToLoginMixin, self).dispatch(
                request, *args, **kwargs)
        except self.redirect_exception_classes:
            if not request.user.is_authenticated():
                return redirect_to_login(request.get_full_path(),
                                         self.get_login_url(),
                                         self.get_redirect_field_name())
115 116
            else:
                raise
117 118


119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141
class GroupCodeMixin(object):

    @classmethod
    def get_available_group_codes(cls, request):
        newgroups = []
        if saml_available:
            from djangosaml2.cache import StateCache, IdentityCache
            from djangosaml2.conf import get_config
            from djangosaml2.views import _get_subject_id
            from saml2.client import Saml2Client

            state = StateCache(request.session)
            conf = get_config(None, request)
            client = Saml2Client(conf, state_cache=state,
                                 identity_cache=IdentityCache(request.session),
                                 logger=logger)
            subject_id = _get_subject_id(request.session)
            identity = client.users.get_identity(subject_id,
                                                 check_not_on_or_after=False)
            if identity:
                attributes = identity[0]
                owneratrs = getattr(
                    settings, 'SAML_GROUP_OWNER_ATTRIBUTES', [])
142 143
                for group in chain(*[attributes[i]
                                     for i in owneratrs if i in attributes]):
144 145 146 147 148 149 150 151
                    try:
                        GroupProfile.search(group)
                    except Group.DoesNotExist:
                        newgroups.append(group)

        return newgroups


152
class FilterMixin(object):
153

154 155 156 157
    def get_queryset_filters(self):
        filters = {}
        for item in self.allowed_filters:
            if item in self.request.GET:
158 159 160 161 162
                filters[self.allowed_filters[item]] = (
                    self.request.GET[item].split(",")
                    if self.allowed_filters[item].endswith("__in") else
                    self.request.GET[item])

163
        return filters
164

165 166 167
    def get_queryset(self):
        return super(FilterMixin,
                     self).get_queryset().filter(**self.get_queryset_filters())
168 169


170
class IndexView(LoginRequiredMixin, TemplateView):
Kálmán Viktor committed
171
    template_name = "dashboard/index.html"
172

173
    def get_context_data(self, **kwargs):
174
        user = self.request.user
175
        context = super(IndexView, self).get_context_data(**kwargs)
176

177
        # instances
178
        favs = Instance.objects.filter(favourite__user=self.request.user)
179
        instances = Instance.get_objects_with_level(
180
            'user', user, disregard_superuser=True).filter(destroyed_at=None)
181 182 183
        display = list(favs) + list(set(instances) - set(favs))
        for d in display:
            d.fav = True if d in favs else False
184
        context.update({
185
            'instances': display[:5],
186
            'more_instances': instances.count() - len(instances[:5])
187 188
        })

189 190
        running = instances.filter(status='RUNNING')
        stopped = instances.exclude(status__in=('RUNNING', 'NOSTATE'))
191

192
        context.update({
193 194 195
            'running_vms': running[:20],
            'running_vm_num': running.count(),
            'stopped_vm_num': stopped.count()
196
        })
197

198 199 200 201
        # nodes
        if user.is_superuser:
            nodes = Node.objects.all()
            context.update({
202 203
                'nodes': nodes[:5],
                'more_nodes': nodes.count() - len(nodes[:5]),
204 205 206 207 208 209 210 211 212 213
                '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)
                }
            })

        # groups
214
        if user.has_module_perms('auth'):
215 216
            profiles = GroupProfile.get_objects_with_level('operator', user)
            groups = Group.objects.filter(groupprofile__in=profiles)
217 218 219 220
            context.update({
                'groups': groups[:5],
                'more_groups': groups.count() - len(groups[:5]),
            })
221 222 223 224 225 226

        # template
        if user.has_perm('vm.create_template'):
            context['templates'] = InstanceTemplate.get_objects_with_level(
                'operator', user).all()[:5]

Kálmán Viktor committed
227
        # toplist
228
        if settings.STORE_URL:
229
            cache_key = "files-%d" % self.request.user.pk
230
            cache = get_cache("default")
231 232
            files = cache.get(cache_key)
            if not files:
233
                try:
234 235 236 237
                    store = Store(self.request.user)
                    toplist = store.toplist()
                    quota = store.get_quota()
                    files = {'toplist': toplist, 'quota': quota}
238 239 240
                except Exception:
                    logger.exception("Unable to get tolist for %s",
                                     unicode(self.request.user))
241 242
                    files = {'toplist': []}
                cache.set(cache_key, files, 300)
Kálmán Viktor committed
243

244
            context['files'] = files
245 246
        else:
            context['no_store'] = True
Kálmán Viktor committed
247

248 249
        return context

250

251
def get_vm_acl_data(obj):
252 253 254 255 256 257 258 259 260
    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])}


261 262 263 264 265 266 267 268 269 270 271
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])}


272
class CheckedDetailView(LoginRequiredMixin, DetailView):
273 274
    read_level = 'user'

275 276 277
    def get_has_level(self):
        return self.object.has_level

278 279
    def get_context_data(self, **kwargs):
        context = super(CheckedDetailView, self).get_context_data(**kwargs)
280
        if not self.get_has_level()(self.request.user, self.read_level):
281 282 283 284
            raise PermissionDenied()
        return context


285 286 287 288 289 290 291 292
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()
293 294
        if not request.user.has_perm('vm.access_console'):
            raise PermissionDenied()
295
        if self.object.node:
296 297 298 299
            with instance_activity(
                    code_suffix='console-accessed', instance=self.object,
                    user=request.user, readable_name=ugettext_noop(
                        "console access"), concurrency_check=False):
300 301 302 303 304
                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)
305 306 307 308
        else:
            raise Http404()


309
class VmDetailView(CheckedDetailView):
Kálmán Viktor committed
310
    template_name = "dashboard/vm-detail.html"
311
    model = Instance
312 313

    def get_context_data(self, **kwargs):
314
        context = super(VmDetailView, self).get_context_data(**kwargs)
315
        instance = context['instance']
316
        ops = get_operations(instance, self.request.user)
317
        context.update({
Bach Dániel committed
318
            'graphite_enabled': settings.GRAPHITE_URL is not None,
319
            'vnc_url': reverse_lazy("dashboard.views.detail-vnc",
320
                                    kwargs={'pk': self.object.pk}),
321 322
            'ops': ops,
            'op': {i.op: i for i in ops},
323
        })
324 325

        # activity data
326 327
        context['activities'] = self.object.get_merged_activities(
            self.request.user)
328

329
        context['vlans'] = Vlan.get_objects_with_level(
330
            'user', self.request.user
331
        ).exclude(  # exclude already added interfaces
332 333 334
            pk__in=Interface.objects.filter(
                instance=self.get_object()).values_list("vlan", flat=True)
        ).all()
335
        context['acl'] = get_vm_acl_data(instance)
336 337
        context['os_type_icon'] = instance.os_type.replace("unknown",
                                                           "question")
338 339 340
        # ipv6 infos
        context['ipv6_host'] = instance.get_connect_host(use_ipv6=True)
        context['ipv6_port'] = instance.get_connect_port(use_ipv6=True)
341 342 343 344 345

        # resources forms
        if self.request.user.is_superuser:
            context['traits_form'] = TraitsForm(instance=instance)
            context['raw_data_form'] = RawDataForm(instance=instance)
346

347 348 349
        # resources change perm
        context['can_change_resources'] = self.request.user.has_perm(
            "vm.change_resources")
350

351
        return context
Kálmán Viktor committed
352

353
    def post(self, request, *args, **kwargs):
354 355 356
        options = {
            'change_password': self.__change_password,
            'new_name': self.__set_name,
357
            'new_description': self.__set_description,
358 359
            'new_tag': self.__add_tag,
            'to_remove': self.__remove_tag,
360 361
            'port': self.__add_port,
            'new_network_vlan': self.__new_network,
362
            'abort_operation': self.__abort_operation,
363 364 365 366
        }
        for k, v in options.iteritems():
            if request.POST.get(k) is not None:
                return v(request)
Kálmán Viktor committed
367

368 369
        raise Http404()

370 371 372 373
    def __change_password(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
Kálmán Viktor committed
374

375
        self.object.change_password(user=request.user)
376
        messages.success(request, _("Password changed."))
377
        if request.is_ajax():
378
            return HttpResponse("Success.")
379 380 381
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                                         kwargs={'pk': self.object.pk}))
382

383 384
    def __set_name(self, request):
        self.object = self.get_object()
385 386
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
387 388 389 390
        new_name = request.POST.get("new_name")
        Instance.objects.filter(pk=self.object.pk).update(
            **{'name': new_name})

391
        success_message = _("VM successfully renamed.")
392 393 394 395 396 397 398 399 400 401 402 403
        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)
404 405 406 407 408 409 410 411 412 413 414
            return redirect(self.object.get_absolute_url())

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

        new_description = request.POST.get("new_description")
        Instance.objects.filter(pk=self.object.pk).update(
            **{'description': new_description})

415
        success_message = _("VM description successfully updated.")
416 417 418 419 420 421 422 423 424 425 426 427
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_description': new_description,
            }
            return HttpResponse(
                json.dumps(response),
                content_type="application/json"
            )
        else:
            messages.success(request, success_message)
            return redirect(self.object.get_absolute_url())
428

Kálmán Viktor committed
429 430 431
    def __add_tag(self, request):
        new_tag = request.POST.get('new_tag')
        self.object = self.get_object()
432 433
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()
Kálmán Viktor committed
434 435

        if len(new_tag) < 1:
436
            message = u"Please input something."
Kálmán Viktor committed
437
        elif len(new_tag) > 20:
438
            message = u"Tag name is too long."
Kálmán Viktor committed
439 440 441 442 443 444 445 446 447 448 449 450 451 452 453
        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()
454 455
            if not self.object.has_level(request.user, 'owner'):
                raise PermissionDenied()
Kálmán Viktor committed
456 457 458 459 460 461 462 463 464 465 466

            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"
            )
467 468 469
        else:
            return redirect(reverse_lazy("dashboard.views.detail",
                            kwargs={'pk': self.object.pk}))
Kálmán Viktor committed
470

471 472
    def __add_port(self, request):
        object = self.get_object()
473 474
        if (not object.has_level(request.user, 'owner') or
                not request.user.has_perm('vm.config_ports')):
475
            raise PermissionDenied()
476 477 478 479 480 481

        port = request.POST.get("port")
        proto = request.POST.get("proto")

        try:
            error = None
482 483 484
            interfaces = object.interface_set.all()
            host = Host.objects.get(pk=request.POST.get("host_pk"),
                                    interface__in=interfaces)
485
            host.add_port(proto, private=port)
486 487 488 489 490
        except Host.DoesNotExist:
            logger.error('Tried to add port to nonexistent host %d. User: %s. '
                         'Instance: %s', request.POST.get("host_pk"),
                         unicode(request.user), object)
            raise PermissionDenied()
491
        except ValueError:
492
            error = _("There is a problem with your input.")
493
        except Exception as e:
Bach Dániel committed
494 495
            error = _("Unknown error.")
            logger.error(e)
496 497 498 499 500 501 502 503 504

        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}))

505 506 507 508 509
    def __new_network(self, request):
        self.object = self.get_object()
        if not self.object.has_level(request.user, 'owner'):
            raise PermissionDenied()

510
        vlan = get_object_or_404(Vlan, pk=request.POST.get("new_network_vlan"))
511 512
        if not vlan.has_level(request.user, 'user'):
            raise PermissionDenied()
513
        try:
514
            self.object.add_interface(vlan=vlan, user=request.user)
515
            messages.success(request, _("Successfully added new interface."))
516 517 518 519 520 521 522
        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}))

523
    def __abort_operation(self, request):
Kálmán Viktor committed
524 525 526 527
        self.object = self.get_object()

        activity = get_object_or_404(InstanceActivity,
                                     pk=request.POST.get("activity"))
528 529
        if not activity.is_abortable_for(request.user):
            raise PermissionDenied()
Kálmán Viktor committed
530 531 532
        activity.abort()
        return redirect("%s#activity" % self.object.get_absolute_url())

533

534
class VmTraitsUpdate(SuperuserRequiredMixin, UpdateView):
535 536 537 538 539 540 541
    form_class = TraitsForm
    model = Instance

    def get_success_url(self):
        return self.get_object().get_absolute_url() + "#resources"


542
class VmRawDataUpdate(SuperuserRequiredMixin, UpdateView):
543 544 545 546 547 548 549
    form_class = RawDataForm
    model = Instance

    def get_success_url(self):
        return self.get_object().get_absolute_url() + "#resources"


550
class OperationView(RedirectToLoginMixin, DetailView):
551

552
    template_name = 'dashboard/operate.html'
553
    show_in_toolbar = True
554
    effect = None
555

556 557 558
    @property
    def name(self):
        return self.get_op().name
559

560 561 562
    @property
    def description(self):
        return self.get_op().description
563

564 565 566
    def is_preferred(self):
        return self.get_op().is_preferred()

567 568 569
    @classmethod
    def get_urlname(cls):
        return 'dashboard.vm.op.%s' % cls.op
570

571 572 573 574 575 576 577 578 579 580
    @classmethod
    def get_instance_url(cls, pk, key=None, *args, **kwargs):
        url = reverse(cls.get_urlname(), args=(pk, ) + args, kwargs=kwargs)
        if key is None:
            return url
        else:
            return "%s?k=%s" % (url, key)

    def get_url(self, **kwargs):
        return self.get_instance_url(self.get_object().pk, **kwargs)
581

582
    def get_template_names(self):
583
        if self.request.is_ajax():
584
            return ['dashboard/_modal.html']
585
        else:
586
            return ['dashboard/_base.html']
587

588 589 590
    @classmethod
    def get_op_by_object(cls, obj):
        return getattr(obj, cls.op)
591

592 593 594 595
    def get_op(self):
        if not hasattr(self, '_opobj'):
            setattr(self, '_opobj', getattr(self.get_object(), self.op))
        return self._opobj
596

597
    def get_context_data(self, **kwargs):
598
        ctx = super(OperationView, self).get_context_data(**kwargs)
599
        ctx['op'] = self.get_op()
600
        ctx['opview'] = self
601 602 603 604
        url = self.request.path
        if self.request.GET:
            url += '?' + self.request.GET.urlencode()
        ctx['url'] = url
605
        ctx['template'] = super(OperationView, self).get_template_names()[0]
606
        return ctx
607

608 609 610 611
    def check_auth(self):
        logger.debug("OperationView.check_auth(%s)", unicode(self))
        self.get_op().check_auth(self.request.user)

612
    def get(self, request, *args, **kwargs):
613
        self.check_auth()
614
        return super(OperationView, self).get(request, *args, **kwargs)
615

616
    def post(self, request, extra=None, *args, **kwargs):
617
        self.check_auth()
618
        self.object = self.get_object()
619 620
        if extra is None:
            extra = {}
621
        try:
622
            self.get_op().async(user=request.user, **extra)
623 624
        except Exception as e:
            messages.error(request, _('Could not start operation.'))
625
            logger.exception(e)
626 627
        else:
            messages.success(request, _('Operation is started.'))
628
        return redirect("%s#activity" % self.object.get_absolute_url())
629

630
    @classmethod
631 632
    def factory(cls, op, icon='cog', effect='info', extra_bases=(), **kwargs):
        kwargs.update({'op': op, 'icon': icon, 'effect': effect})
633
        return type(str(cls.__name__ + op),
634
                    tuple(list(extra_bases) + [cls]), kwargs)
635

636
    @classmethod
637
    def bind_to_object(cls, instance, **kwargs):
638 639
        me = cls()
        me.get_object = lambda: instance
640
        for key, value in kwargs.iteritems():
641 642
            setattr(me, key, value)
        return me
643 644


645
class AjaxOperationMixin(object):
646

647
    def post(self, request, extra=None, *args, **kwargs):
648 649
        resp = super(AjaxOperationMixin, self).post(
            request, extra, *args, **kwargs)
650 651 652 653
        if request.is_ajax():
            store = messages.get_messages(request)
            store.used = True
            return HttpResponse(
654
                json.dumps({'success': True,
655 656 657 658 659 660
                            'messages': [unicode(m) for m in store]}),
                content_type="application=json"
            )
        else:
            return resp

661

662 663 664 665 666 667
class VmOperationView(AjaxOperationMixin, OperationView):

    model = Instance
    context_object_name = 'instance'  # much simpler to mock object


668 669 670 671
class FormOperationMixin(object):

    form_class = None

672 673 674
    def get_form_kwargs(self):
        return {}

675 676 677
    def get_context_data(self, **kwargs):
        ctx = super(FormOperationMixin, self).get_context_data(**kwargs)
        if self.request.method == 'POST':
678 679
            ctx['form'] = self.form_class(self.request.POST,
                                          **self.get_form_kwargs())
680
        else:
681
            ctx['form'] = self.form_class(**self.get_form_kwargs())
682 683 684 685 686
        return ctx

    def post(self, request, extra=None, *args, **kwargs):
        if extra is None:
            extra = {}
687
        form = self.form_class(self.request.POST, **self.get_form_kwargs())
688 689
        if form.is_valid():
            extra.update(form.cleaned_data)
690
            resp = super(FormOperationMixin, self).post(
691
                request, extra, *args, **kwargs)
692 693
            if request.is_ajax():
                return HttpResponse(
694
                    json.dumps({'success': True}),
695 696 697 698
                    content_type="application=json"
                )
            else:
                return resp
699 700 701 702
        else:
            return self.get(request)


703 704 705 706 707 708 709 710
class RequestFormOperationMixin(FormOperationMixin):

    def get_form_kwargs(self):
        val = super(FormOperationMixin, self).get_form_kwargs()
        val.update({'request': self.request})
        return val


711 712 713 714 715
class VmCreateDiskView(FormOperationMixin, VmOperationView):

    op = 'create_disk'
    form_class = VmCreateDiskForm
    show_in_toolbar = False
716
    icon = 'hdd-o'
717
    is_disk_operation = True
718 719 720 721 722 723 724 725


class VmDownloadDiskView(FormOperationMixin, VmOperationView):

    op = 'download_disk'
    form_class = VmDownloadDiskForm
    show_in_toolbar = False
    icon = 'download'
726
    is_disk_operation = True
727 728


729 730 731 732
class VmMigrateView(VmOperationView):

    op = 'migrate'
    icon = 'truck'
733
    effect = 'info'
734 735 736
    template_name = 'dashboard/_vm-migrate.html'

    def get_context_data(self, **kwargs):
737
        ctx = super(VmMigrateView, self).get_context_data(**kwargs)
738 739 740 741 742
        ctx['nodes'] = [n for n in Node.objects.filter(enabled=True)
                        if n.state == "ONLINE"]
        return ctx

    def post(self, request, extra=None, *args, **kwargs):
743 744
        if extra is None:
            extra = {}
745 746 747 748 749 750 751
        node = self.request.POST.get("node")
        if node:
            node = get_object_or_404(Node, pk=node)
            extra["to_node"] = node
        return super(VmMigrateView, self).post(request, extra, *args, **kwargs)


752
class VmSaveView(FormOperationMixin, VmOperationView):
753 754 755

    op = 'save_as_template'
    icon = 'save'
756
    effect = 'info'
757
    form_class = VmSaveForm
758

759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781

class VmResourcesChangeView(VmOperationView):
    op = 'resources_change'
    icon = "save"
    show_in_toolbar = False

    def post(self, request, extra=None, *args, **kwargs):
        if extra is None:
            extra = {}

        resources = {
            'num_cores': "cpu-count",
            'priority': "cpu-priority",
            'ram_size': "ram-size",
            "max_ram_size": "ram-size",  # TODO
        }
        for k, v in resources.iteritems():
            extra[k] = request.POST.get(v)

        return super(VmResourcesChangeView, self).post(request, extra,
                                                       *args, **kwargs)


782 783 784 785 786 787
class TokenOperationView(OperationView):
    """Abstract operation view with token support.

    User can do the action with a valid token instead of logging in.
    """
    token_max_age = 3 * 24 * 3600
788
    redirect_exception_classes = (PermissionDenied, SuspiciousOperation, )
789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857

    @classmethod
    def get_salt(cls):
        return unicode(cls)

    @classmethod
    def get_token(cls, instance, user):
        t = tuple([getattr(i, 'pk', i) for i in [instance, user]])
        return signing.dumps(t, salt=cls.get_salt(), compress=True)

    @classmethod
    def get_token_url(cls, instance, user):
        key = cls.get_token(instance, user)
        return cls.get_instance_url(instance.pk, key)

    def check_auth(self):
        if 'k' in self.request.GET:
            try:  # check if token is needed at all
                return super(TokenOperationView, self).check_auth()
            except Exception:
                op = self.get_op()
                pk = op.instance.pk
                key = self.request.GET.get('k')

                logger.debug("checking token supplied to %s",
                             self.request.get_full_path())
                try:
                    user = self.validate_key(pk, key)
                except signing.SignatureExpired:
                    messages.error(self.request, _('The token has expired.'))
                else:
                    logger.info("Request user changed to %s at %s",
                                user, self.request.get_full_path())
                    self.request.user = user
        else:
            logger.debug("no token supplied to %s",
                         self.request.get_full_path())

        return super(TokenOperationView, self).check_auth()

    def validate_key(self, pk, key):
        """Get object based on signed token.
        """
        try:
            data = signing.loads(key, salt=self.get_salt())
            logger.debug('Token data: %s', unicode(data))
            instance, user = data
            logger.debug('Extracted token data: instance: %s, user: %s',
                         unicode(instance), unicode(user))
        except (signing.BadSignature, ValueError, TypeError) as e:
            logger.warning('Tried invalid token. Token: %s, user: %s. %s',
                           key, unicode(self.request.user), unicode(e))
            raise SuspiciousOperation()

        try:
            instance, user = signing.loads(key, max_age=self.token_max_age,
                                           salt=self.get_salt())
            logger.debug('Extracted non-expired token data: %s, %s',
                         unicode(instance), unicode(user))
        except signing.BadSignature as e:
            raise signing.SignatureExpired()

        if pk != instance:
            logger.debug('pk (%d) != instance (%d)', pk, instance)
            raise SuspiciousOperation()
        user = User.objects.get(pk=user)
        return user


858 859
class VmRenewView(FormOperationMixin, TokenOperationView, VmOperationView):

860 861 862 863
    op = 'renew'
    icon = 'calendar'
    effect = 'info'
    show_in_toolbar = False
864 865 866 867 868 869
    form_class = VmRenewForm

    def get_form_kwargs(self):
        choices = Lease.get_objects_with_level("user", self.request.user)
        default = self.get_op().instance.lease
        if default and default not in choices:
870 871
            choices = (choices.distinct() |
                       Lease.objects.filter(pk=default.pk).distinct())
872 873 874 875

        val = super(VmRenewView, self).get_form_kwargs()
        val.update({'choices': choices, 'default': default})
        return val
876 877


878 879
vm_ops = OrderedDict([
    ('deploy', VmOperationView.factory(
880
        op='deploy', icon='play', effect='success')),
881
    ('wake_up', VmOperationView.factory(
882
        op='wake_up', icon='sun-o', effect='success')),
883
    ('sleep', VmOperationView.factory(
884
        extra_bases=[TokenOperationView],
885
        op='sleep', icon='moon-o', effect='info')),
886 887 888
    ('migrate', VmMigrateView),
    ('save_as_template', VmSaveView),
    ('reboot', VmOperationView.factory(
889
        op='reboot', icon='refresh', effect='warning')),
890
    ('reset', VmOperationView.factory(
891
        op='reset', icon='bolt', effect='warning')),
892
    ('shutdown', VmOperationView.factory(
893
        op='shutdown', icon='power-off', effect='warning')),
894
    ('shut_off', VmOperationView.factory(
895
        op='shut_off', icon='ban', effect='warning')),
896 897
    ('recover', VmOperationView.factory(
        op='recover', icon='medkit', effect='warning')),
898
    ('destroy', VmOperationView.factory(
899
        extra_bases=[TokenOperationView],
900
        op='destroy', icon='times', effect='danger')),
901 902
    ('create_disk', VmCreateDiskView),
    ('download_disk', VmDownloadDiskView),
903
    ('renew', VmRenewView),
904
    ('resources_change', VmResourcesChangeView),
905
])
906 907 908 909 910 911 912 913 914


def get_operations(instance, user):
    ops = []
    for k, v in vm_ops.iteritems():
        try:
            op = v.get_op_by_object(instance)
            op.check_auth(user)
            op.check_precond()
915
        except PermissionDenied as e:
916 917
            logger.debug('Not showing operation %s for %s: %s',
                         k, instance, unicode(e))
918 919
        except Exception:
            ops.append(v.bind_to_object(instance, disabled=True))
920 921 922
        else:
            ops.append(v.bind_to_object(instance))
    return ops
923

Kálmán Viktor committed
924

925
class NodeDetailView(LoginRequiredMixin, SuperuserRequiredMixin, DetailView):
926 927
    template_name = "dashboard/node-detail.html"
    model = Node
928 929
    form = None
    form_class = TraitForm
930

931 932 933
    def get_context_data(self, form=None, **kwargs):
        if form is None:
            form = self.form_class()
934
        context = super(NodeDetailView, self).get_context_data(**kwargs)
935 936
        instances = Instance.active.filter(node=self.object)
        context['table'] = NodeVmListTable(instances)
937 938 939 940
        na = NodeActivity.objects.filter(
            node=self.object, parent=None
        ).order_by('-started').select_related()
        context['activities'] = na
941
        context['trait_form'] = form
942
        context['graphite_enabled'] = (
Bach Dániel committed
943
            settings.GRAPHITE_URL is not None)
944 945
        return context

946 947 948
    def post(self, request, *args, **kwargs):
        if request.POST.get('new_name'):
            return self.__set_name(request)
949 950
        if request.POST.get('to_remove'):
            return self.__remove_trait(request)
951 952
        return redirect(reverse_lazy("dashboard.views.node-detail",
                                     kwargs={'pk': self.get_object().pk}))
953 954 955 956 957 958 959

    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})

960
        success_message = _("Node successfully renamed.")
961 962 963 964 965
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
                'node_pk': self.object.pk
966 967 968 969 970 971 972 973 974 975
            }
            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}))

976 977 978 979
    def __remove_trait(self, request):
        try:
            to_remove = request.POST.get('to_remove')
            self.object = self.get_object()
980
            self.object.traits.remove(to_remove)
981 982 983 984 985 986 987
            message = u"Success"
        except:  # note this won't really happen
            message = u"Not success"

        if request.is_ajax():
            return HttpResponse(
                json.dumps({'message': message}),
988
                content_type="application/json"
989
            )
990
        else:
991
            return redirect(self.object.get_absolute_url())
992

993

994
class GroupDetailView(CheckedDetailView):
995 996
    template_name = "dashboard/group-detail.html"
    model = Group
997
    read_level = 'operator'
998 999 1000

    def get_has_level(self):
        return self.object.profile.has_level
1001 1002 1003

    def get_context_data(self, **kwargs):
        context = super(GroupDetailView, self).get_context_data(**kwargs)
1004 1005
        context['group'] = self.object
        context['users'] = self.object.user_set.all()
1006 1007
        context['future_users'] = FutureMember.objects.filter(
            group=self.object)
1008
        context['acl'] = get_group_acl_data(self.object)
1009 1010
        context['group_profile_form'] = GroupProfileUpdate.get_form_object(
            self.request, self.object.profile)
1011 1012 1013 1014 1015

        if self.request.user.is_superuser:
            context['group_perm_form'] = GroupPermissionForm(
                instance=self.object)

1016 1017 1018
        return context

    def post(self, request, *args, **kwargs):
1019 1020 1021
        self.object = self.get_object()
        if not self.get_has_level()(request.user, 'operator'):
            raise PermissionDenied()
1022

1023 1024
        if request.POST.get('new_name'):
            return self.__set_name(request)
1025
        if request.POST.get('list-new-name'):
1026
            return self.__add_user(request)
1027
        if request.POST.get('list-new-namelist'):
1028
            return self.__add_list(request)
1029 1030 1031 1032
        if (request.POST.get('list-new-name') is not None) and \
                (request.POST.get('list-new-namelist') is not None):
            return redirect(reverse_lazy("dashboard.views.group-detail",
                                         kwargs={'pk': self.get_object().pk}))
1033 1034

    def __add_user(self, request):
1035
        name = request.POST['list-new-name']
1036 1037 1038
        self.__add_username(request, name)
        return redirect(reverse_lazy("dashboard.views.group-detail",
                                     kwargs={'pk': self.object.pk}))
1039 1040

    def __add_username(self, request, name):
1041
        if not name:
1042
            return
1043
        try:
1044
            entity = search_user(name)
1045
            self.object.user_set.add(entity)
1046
        except User.DoesNotExist:
1047 1048 1049 1050 1051
            if saml_available:
                FutureMember.objects.get_or_create(org_id=name,
                                                   group=self.object)
            else:
                warning(request, _('User "%s" not found.') % name)
1052

1053
    def __add_list(self, request):
1054 1055
        if not self.get_has_level()(request.user, 'operator'):
            raise PermissionDenied()
1056 1057 1058
        userlist = request.POST.get('list-new-namelist').split('\r\n')
        for line in userlist:
            self.__add_username(request, line)
1059 1060
        return redirect(reverse_lazy("dashboard.views.group-detail",
                                     kwargs={'pk': self.object.pk}))
1061 1062 1063 1064 1065 1066

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

1067
        success_message = _("Group successfully renamed.")
1068 1069 1070 1071
        if request.is_ajax():
            response = {
                'message': success_message,
                'new_name': new_name,
1072
                'group_pk': self.object.pk
1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083
            }
            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}))


1084 1085 1086 1087 1088 1089 1090
class GroupPermissionsView(SuperuserRequiredMixin, UpdateView):
    model = Group
    form_class = GroupPermissionForm
    slug_field = "pk"
    slug_url_kwarg = "group_pk"

    def get_success_url(self):
1091
        return "%s#group-detail-permissions" % (
1092 1093 1094
            self.get_object().groupprofile.get_absolute_url())


1095
class AclUpdateView(LoginRequiredMixin, View, SingleObjectMixin):
1096

1097
    def post(self, request, *args, **kwargs):
1098
        instance = self.get_object()
1099 1100
        if not (instance.has_level(request.user, "owner") or
                getattr(instance, 'owner', None) == request.user):
Őry Máté committed
1101 1102
            logger.warning('Tried to set permissions of %s by non-owner %s.',
                           unicode(instance), unicode(request.user))
1103
            raise PermissionDenied()
1104
        self.set_levels(request, instance)
1105
        self.remove_levels(request, instance)
1106
        self.add_levels(request, instance)
1107
        return redirect("%s#access" % instance.get_absolute_url())
1108 1109

    def set_levels(self, request, instance):
1110 1111 1112
        for key, value in request.POST.items():
            m = re.match('perm-([ug])-(\d+)', key)
            if m:
1113 1114
                typ, id = m.groups()
                entity = {'u': User, 'g': Group}[typ].objects.get(id=id)
1115
                if getattr(instance, "owner", None) == entity:
1116 1117 1118
                    logger.info("Tried to set owner's acl level for %s by %s.",
                                unicode(instance), unicode(request.user))
                    continue
1119
                instance.set_level(entity, value)
Őry Máté committed
1120 1121 1122
                logger.info("Set %s's acl level for %s to %s by %s.",
                            unicode(entity), unicode(instance),
                            value, unicode(request.user))
1123

1124 1125 1126 1127 1128 1129 1130 1131 1132 1133
    def remove_levels(self, request, instance):
        for key, value in request.POST.items():
            if key.startswith("remove"):
                typ = key[7:8]  # len("remove-")
                id = key[9:]  # len("remove-x-")
                entity = {'u': User, 'g': Group}[typ].objects.get(id=id)
                if getattr(instance, "owner", None) == entity:
                    logger.info("Tried to remove owner from %s by %s.",
                                unicode(instance), unicode(request.user))
                    msg = _("The original owner cannot be removed, however "
1134
                            "you can transfer ownership.")
1135 1136 1137 1138 1139 1140 1141
                    messages.warning(request, msg)
                    continue
                instance.set_level(entity, None)
                logger.info("Revoked %s's access to %s by %s.",
                            unicode(entity), unicode(instance),
                            unicode(request.user))

1142
    def add_levels(self, request, instance):
1143 1144
        name = request.POST['perm-new-name']
        value = request.POST['perm-new']
1145 1146 1147
        if not name:
            return
        try:
1148
            entity = search_user(name)
1149 1150
        except User.DoesNotExist:
            entity = None
1151 1152
            try:
                entity = Group.objects.get(name=name)
1153 1154 1155 1156
            except Group.DoesNotExist:
                warning(request, _('User or group "%s" not found.')