code.grnet.gr Git - flowspy/blob - flowspec/views.py

   1 # Create your views here.
   2 import urllib2
   3 import socket
   4 import json
   5 from django import forms
   6 from django.views.decorators.csrf import csrf_exempt
   7 from django.core import urlresolvers
   8 from django.core import serializers
   9 from django.contrib.auth.decorators import login_required
  10 from django.contrib.auth import logout
  11 from django.contrib.sites.models import Site
  12 from django.contrib.auth.models import User
  13 from django.http import HttpResponseRedirect, HttpResponseForbidden, HttpResponse
  14 from django.shortcuts import get_object_or_404, render_to_response
  15 from django.core.context_processors import request
  16 from django.template.context import RequestContext
  17 from django.template.loader import get_template, render_to_string
  18 from django.utils.translation import ugettext as _
  19 from django.core.urlresolvers import reverse
  20 from django.contrib import messages
  21 from flowspy.accounts.models import *
  22 from ipaddr import *
  23
  24 from django.contrib.auth import authenticate, login
  25
  26 from django.forms.models import model_to_dict
  27
  28 from flowspy.flowspec.forms import *
  29 from flowspy.flowspec.models import *
  30 from flowspy.peers.models import *
  31
  32 from registration.models import RegistrationProfile
  33
  34 from copy import deepcopy
  35 from flowspy.utils.decorators import shib_required
  36
  37 from django.views.decorators.cache import never_cache
  38 from django.conf import settings
  39 from django.core.mail.message import EmailMessage
  40 import datetime
  41 import os
  42
  43 LOG_FILENAME = os.path.join(settings.LOG_FILE_LOCATION, 'celery_jobs.log')
  44 #FORMAT = '%(asctime)s %(levelname)s: %(message)s'
  45 #logging.basicConfig(format=FORMAT)
  46 formatter = logging.Formatter('%(asctime)s %(levelname)s %(clientip)s %(user)s: %(message)s')
  47
  48 logger = logging.getLogger(__name__)
  49 logger.setLevel(logging.DEBUG)
  50 handler = logging.FileHandler(LOG_FILENAME)
  51 handler.setFormatter(formatter)
  52 logger.addHandler(handler)
  53
  54 @login_required
  55 def user_routes(request):
  56     user_routes = Route.objects.filter(applier=request.user)
  57     return render_to_response('user_routes.html', {'routes': user_routes},
  58                               context_instance=RequestContext(request))
  59
  60 def welcome(request):
  61     return render_to_response('welcome.html', context_instance=RequestContext(request))
  62
  63 @login_required
  64 @never_cache
  65 def group_routes(request):
  66     group_routes = []
  67     try:
  68         peer = request.user.get_profile().peer
  69     except UserProfile.DoesNotExist:
  70         error = "User <strong>%s</strong> does not belong to any peer or organization. It is not possible to create new firewall rules.<br>Please contact Helpdesk to resolve this issue" % request.user.username
  71         return render_to_response('error.html', {'error': error})
  72     if peer:
  73        peer_members = UserProfile.objects.filter(peer=peer)
  74        users = [prof.user for prof in peer_members]
  75        group_routes = Route.objects.filter(applier__in=users)
  76        if request.user.is_superuser:
  77            group_routes = Route.objects.all()
  78        return render_to_response('user_routes.html', {'routes': group_routes},
  79                               context_instance=RequestContext(request))
  80
  81
  82 @login_required
  83 @never_cache
  84 def add_route(request):
  85     applier = request.user.pk
  86     applier_peer_networks = request.user.get_profile().peer.networks.all()
  87     if not applier_peer_networks:
  88          messages.add_message(request, messages.WARNING,
  89                              _("Insufficient rights on administrative networks. Cannot add rule. Contact your administrator"))
  90          return HttpResponseRedirect(reverse("group-routes"))
  91     if request.method == "GET":
  92         form = RouteForm(initial={'applier': applier})
  93         if not request.user.is_superuser:
  94             form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
  95             form.fields['protocol'] = forms.ModelMultipleChoiceField(queryset=MatchProtocol.objects.filter(protocol__in=settings.UI_USER_PROTOCOLS).order_by('protocol'), required=False)
  96         return render_to_response('apply.html', {'form': form, 'applier': applier},
  97                                   context_instance=RequestContext(request))
  98
  99     else:
 100         request_data = request.POST.copy()
 101         if request.user.is_superuser:
 102             request_data['issuperuser'] = request.user.username
 103         else:
 104             request_data['applier'] = applier
 105             try:
 106                 del requset_data['issuperuser']
 107             except:
 108                 pass
 109         form = RouteForm(request_data)
 110         if form.is_valid():
 111             route=form.save(commit=False)
 112             if not request.user.is_superuser:
 113                 route.applier = request.user
 114             route.status = "PENDING"
 115             route.response = "Applying"
 116             route.source = IPNetwork("%s/%s" %(IPNetwork(route.source).network.compressed, IPNetwork(route.source).prefixlen)).compressed
 117             route.destination = IPNetwork("%s/%s" %(IPNetwork(route.destination).network.compressed, IPNetwork(route.destination).prefixlen)).compressed
 118             route.save()
 119             form.save_m2m()
 120             route.commit_add()
 121             requesters_address = request.META['HTTP_X_FORWARDED_FOR']
 122             fqdn = Site.objects.get_current().domain
 123             admin_url = "https://%s%s" % (fqdn, "/fod/edit/%s"%route.name)
 124             mail_body = render_to_string("rule_action.txt",
 125                                              {"route": route, "address": requesters_address, "action": "creation", "url": admin_url})
 126             user_mail = "%s" %route.applier.email
 127             user_mail = user_mail.split(';')
 128             send_new_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s creation request submitted by %s" %(route.name, route.applier.username),
 129                               mail_body, settings.SERVER_EMAIL, user_mail,
 130                               get_peer_techc_mails(route.applier))
 131             d = { 'clientip' : "%s"%requesters_address, 'user' : route.applier.username }
 132             logger.info(mail_body, extra=d)
 133             return HttpResponseRedirect(reverse("group-routes"))
 134         else:
 135             if not request.user.is_superuser:
 136                 form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
 137                 form.fields['protocol'] = forms.ModelMultipleChoiceField(queryset=MatchProtocol.objects.filter(protocol__in=settings.UI_USER_PROTOCOLS).order_by('protocol'), required=False)
 138             return render_to_response('apply.html', {'form': form, 'applier':applier},
 139                                       context_instance=RequestContext(request))
 140
 141 @login_required
 142 @never_cache
 143 def edit_route(request, route_slug):
 144     applier = request.user.pk
 145     applier_peer = request.user.get_profile().peer
 146     route_edit = get_object_or_404(Route, name=route_slug)
 147     route_edit_applier_peer = route_edit.applier.get_profile().peer
 148     if applier_peer != route_edit_applier_peer and (not request.user.is_superuser):
 149         messages.add_message(request, messages.WARNING,
 150                              _("Insufficient rights to edit rule %s") %(route_slug))
 151         return HttpResponseRedirect(reverse("group-routes"))
 152 #    if route_edit.status == "ADMININACTIVE" :
 153 #        messages.add_message(request, messages.WARNING,
 154 #                             "Administrator has disabled editing of rule %s" %(route_slug))
 155 #        return HttpResponseRedirect(reverse("group-routes"))
 156 #    if route_edit.status == "EXPIRED" :
 157 #        messages.add_message(request, messages.WARNING,
 158 #                             "Cannot edit the expired rule %s. Contact helpdesk to enable it" %(route_slug))
 159 #        return HttpResponseRedirect(reverse("group-routes"))
 160     if route_edit.status == "PENDING" :
 161         messages.add_message(request, messages.WARNING,
 162                              _("Cannot edit a pending rule: %s.") %(route_slug))
 163         return HttpResponseRedirect(reverse("group-routes"))
 164     route_original = deepcopy(route_edit)
 165     if request.POST:
 166         request_data = request.POST.copy()
 167         if request.user.is_superuser:
 168             request_data['issuperuser'] = request.user.username
 169         else:
 170             request_data['applier'] = applier
 171             try:
 172                 del request_data['issuperuser']
 173             except:
 174                 pass
 175         form = RouteForm(request_data, instance = route_edit)
 176         critical_changed_values = ['source', 'destination', 'sourceport', 'destinationport', 'port', 'protocol', 'then']
 177         if form.is_valid():
 178             changed_data = form.changed_data
 179             route=form.save(commit=False)
 180             route.name = route_original.name
 181             route.status = route_original.status
 182             route.response = route_original.response
 183             if not request.user.is_superuser:
 184                 route.applier = request.user
 185             if bool(set(changed_data) & set(critical_changed_values)) or (not route_original.status == 'ACTIVE'):
 186                 route.status = "PENDING"
 187                 route.response = "Applying"
 188                 route.source = IPNetwork("%s/%s" %(IPNetwork(route.source).network.compressed, IPNetwork(route.source).prefixlen)).compressed
 189                 route.destination = IPNetwork("%s/%s" %(IPNetwork(route.destination).network.compressed, IPNetwork(route.destination).prefixlen)).compressed
 190             route.save()
 191             if bool(set(changed_data) & set(critical_changed_values)) or (not route_original.status == 'ACTIVE'):
 192                 form.save_m2m()
 193                 route.commit_edit()
 194                 requesters_address = request.META['HTTP_X_FORWARDED_FOR']
 195                 fqdn = Site.objects.get_current().domain
 196                 admin_url = "https://%s%s" % (fqdn, "/fod/edit/%s"%route.name)
 197                 mail_body = render_to_string("rule_action.txt",
 198                                              {"route": route, "address": requesters_address, "action": "edit", "url": admin_url})
 199                 user_mail = "%s" %route.applier.email
 200                 user_mail = user_mail.split(';')
 201                 send_new_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s edit request submitted by %s" %(route.name, route.applier.username),
 202                               mail_body, settings.SERVER_EMAIL, user_mail,
 203                               get_peer_techc_mails(route.applier))
 204                 d = { 'clientip' : requesters_address, 'user' : route.applier.username }
 205                 logger.info(mail_body, extra=d)
 206             return HttpResponseRedirect(reverse("group-routes"))
 207         else:
 208             if not request.user.is_superuser:
 209                 form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
 210                 form.fields['protocol'] = forms.ModelMultipleChoiceField(queryset=MatchProtocol.objects.filter(protocol__in=settings.UI_USER_PROTOCOLS).order_by('protocol'), required=False)
 211             return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 212                                       context_instance=RequestContext(request))
 213     else:
 214         if (not route_original.status == 'ACTIVE'):
 215             route_edit.expires = datetime.date.today() + datetime.timedelta(days = settings.EXPIRATION_DAYS_OFFSET)
 216         dictionary = model_to_dict(route_edit, fields=[], exclude=[])
 217         if request.user.is_superuser:
 218             dictionary['issuperuser'] = request.user.username
 219         else:
 220             try:
 221                 del dictionary['issuperuser']
 222             except:
 223                 pass
 224         form = RouteForm(dictionary)
 225         if not request.user.is_superuser:
 226             form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
 227             form.fields['protocol'] = forms.ModelMultipleChoiceField(queryset=MatchProtocol.objects.filter(protocol__in=settings.UI_USER_PROTOCOLS).order_by('protocol'), required=False)
 228         return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 229                                   context_instance=RequestContext(request))
 230
 231 @login_required
 232 @never_cache
 233 def delete_route(request, route_slug):
 234     if request.is_ajax():
 235         route = get_object_or_404(Route, name=route_slug)
 236         applier_peer = route.applier.get_profile().peer
 237         requester_peer = request.user.get_profile().peer
 238         if applier_peer == requester_peer or request.user.is_superuser:
 239             route.status = "PENDING"
 240             route.expires = datetime.date.today()
 241             if not request.user.is_superuser:
 242                 route.applier = request.user
 243             route.response = "Suspending"
 244             route.save()
 245             route.commit_delete()
 246             requesters_address = request.META['HTTP_X_FORWARDED_FOR']
 247             fqdn = Site.objects.get_current().domain
 248             admin_url = "https://%s%s" % (fqdn, "/fod/edit/%s"%route.name)
 249             mail_body = render_to_string("rule_action.txt",
 250                                              {"route": route, "address": requesters_address, "action": "removal", "url": admin_url})
 251             user_mail = "%s" %route.applier.email
 252             user_mail = user_mail.split(';')
 253             send_new_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s removal request submitted by %s" %(route.name, route.applier.username),
 254                               mail_body, settings.SERVER_EMAIL, user_mail,
 255                              get_peer_techc_mails(route.applier))
 256             d = { 'clientip' : requesters_address, 'user' : route.applier.username }
 257             logger.info(mail_body, extra=d)
 258         html = "<html><body>Done</body></html>"
 259         return HttpResponse(html)
 260     else:
 261         return HttpResponseRedirect(reverse("group-routes"))
 262
 263 @login_required
 264 @never_cache
 265 def user_profile(request):
 266     user = request.user
 267     try:
 268         peer = request.user.get_profile().peer
 269         peers = Peer.objects.filter(pk=peer.pk)
 270         if user.is_superuser:
 271             peers = Peer.objects.all()
 272     except UserProfile.DoesNotExist:
 273         error = "User <strong>%s</strong> does not belong to any peer or organization. It is not possible to create new firewall rules.<br>Please contact Helpdesk to resolve this issue" % user.username
 274         return render_to_response('error.html', {'error': error})
 275     return render_to_response('profile.html', {'user': user, 'peers':peers},
 276                                   context_instance=RequestContext(request))
 277
 278 @never_cache
 279 def user_login(request):
 280     try:
 281         error_username = False
 282         error_orgname = False
 283         error_entitlement = False
 284         error_mail = False
 285         has_entitlement = False
 286         error = ''
 287         username = request.META['HTTP_EPPN']
 288         if not username:
 289             error_username = True
 290         firstname = request.META['HTTP_SHIB_INETORGPERSON_GIVENNAME']
 291         lastname = request.META['HTTP_SHIB_PERSON_SURNAME']
 292         mail = request.META['HTTP_SHIB_INETORGPERSON_MAIL']
 293         organization = request.META['HTTP_SHIB_HOMEORGANIZATION']
 294         entitlement = request.META['HTTP_SHIB_EP_ENTITLEMENT']
 295         if settings.SHIB_AUTH_ENTITLEMENT in entitlement.split(";"):
 296             has_entitlement = True
 297         if not has_entitlement:
 298             error_entitlement = True
 299         if not organization:
 300             error_orgname = True
 301         if not mail:
 302             error_mail = True
 303         if error_username:
 304             error = _("Your idP should release the HTTP_EPPN attribute towards this service<br>")
 305         if error_orgname:
 306             error = error + _("Your idP should release the HTTP_SHIB_HOMEORGANIZATION attribute towards this service<br>")
 307         if error_entitlement:
 308             error = error + _("Your idP should release an appropriate HTTP_SHIB_EP_ENTITLEMENT attribute towards this service<br>")
 309         if error_mail:
 310             error = error + _("Your idP should release the HTTP_SHIB_INETORGPERSON_MAIL attribute towards this service")
 311         if error_username or error_orgname or error_entitlement or error_mail:
 312             return render_to_response('error.html', {'error': error, "missing_attributes": True},
 313                                   context_instance=RequestContext(request))
 314         try:
 315             user = User.objects.get(username__exact=username)
 316             user.email = mail
 317             user.first_name = firstname
 318             user.last_name = lastname
 319             user.save()
 320             user_exists = True
 321         except:
 322             user_exists = False
 323         user = authenticate(username=username, firstname=firstname, lastname=lastname, mail=mail, authsource='shibboleth')
 324         if user is not None:
 325             try:
 326                 peer = Peer.objects.get(domain_name=organization)
 327                 up = UserProfile.objects.get_or_create(user=user,peer=peer)
 328             except:
 329                 error = _("Your organization's domain name does not match our peers' domain names<br>Please contact Helpdesk to resolve this issue")
 330                 return render_to_response('error.html', {'error': error})
 331             if not user_exists:
 332                 user_activation_notify(user)
 333             if user.is_active:
 334                login(request, user)
 335                return HttpResponseRedirect(reverse("group-routes"))
 336             else:
 337                 error = _("User account <strong>%s</strong> is pending activation. Administrators have been notified and will activate this account within the next days. <br>If this account has remained inactive for a long time contact your technical coordinator or GRNET Helpdesk") %user.username
 338                 return render_to_response('error.html', {'error': error, 'inactive': True},
 339                                   context_instance=RequestContext(request))
 340         else:
 341             error = _("Something went wrong during user authentication. Contact your administrator")
 342             return render_to_response('error.html', {'error': error,},
 343                                   context_instance=RequestContext(request))
 344     except Exception:
 345         error = _("Invalid login procedure")
 346         return render_to_response('error.html', {'error': error,},
 347                                   context_instance=RequestContext(request))
 348         # Return an 'invalid login' error message.
 349 #    return HttpResponseRedirect(reverse("user-routes"))
 350
 351 def user_activation_notify(user):
 352     current_site = Site.objects.get_current()
 353     subject = render_to_string('registration/activation_email_subject.txt',
 354                                    { 'site': current_site })
 355     # Email subject *must not* contain newlines
 356     subject = ''.join(subject.splitlines())
 357     registration_profile = RegistrationProfile.objects.create_profile(user)
 358     message = render_to_string('registration/activation_email.txt',
 359                                    { 'activation_key': registration_profile.activation_key,
 360                                      'expiration_days': settings.ACCOUNT_ACTIVATION_DAYS,
 361                                      'site': current_site,
 362                                      'user': user })
 363     send_new_mail(settings.EMAIL_SUBJECT_PREFIX + subject,
 364                               message, settings.SERVER_EMAIL,
 365                              get_peer_techc_mails(user), [])
 366
 367 @login_required
 368 @never_cache
 369 def add_rate_limit(request):
 370     if request.method == "GET":
 371         form = ThenPlainForm()
 372         return render_to_response('add_rate_limit.html', {'form': form,},
 373                                   context_instance=RequestContext(request))
 374
 375     else:
 376         form = ThenPlainForm(request.POST)
 377         if form.is_valid():
 378             then=form.save(commit=False)
 379             then.action_value = "%sk"%then.action_value
 380             then.save()
 381             response_data = {}
 382             response_data['pk'] = "%s" %then.pk
 383             response_data['value'] = "%s:%s" %(then.action, then.action_value)
 384             return HttpResponse(json.dumps(response_data), mimetype='application/json')
 385         else:
 386             return render_to_response('add_rate_limit.html', {'form': form,},
 387                                       context_instance=RequestContext(request))
 388
 389 @login_required
 390 @never_cache
 391 def add_port(request):
 392     if request.method == "GET":
 393         form = PortPlainForm()
 394         return render_to_response('add_port.html', {'form': form,},
 395                                   context_instance=RequestContext(request))
 396
 397     else:
 398         form = PortPlainForm(request.POST)
 399         if form.is_valid():
 400             port=form.save()
 401             response_data = {}
 402             response_data['value'] = "%s" %port.pk
 403             response_data['text'] = "%s" %port.port
 404             return HttpResponse(json.dumps(response_data), mimetype='application/json')
 405         else:
 406             return render_to_response('add_port.html', {'form': form,},
 407                                       context_instance=RequestContext(request))
 408
 409 @login_required
 410 @never_cache
 411 def user_logout(request):
 412     logout(request)
 413     return HttpResponseRedirect(reverse('group-routes'))
 414
 415 @never_cache
 416 def load_jscript(request, file):
 417     long_polling_timeout = int(settings.POLL_SESSION_UPDATE)*1000 + 10000
 418     return render_to_response('%s.js' % file, {'timeout': long_polling_timeout}, context_instance=RequestContext(request), mimetype="text/javascript")
 419
 420
 421 def get_peer_techc_mails(user):
 422     mail = []
 423     additional_mail = []
 424     techmails_list = []
 425     user_mail = "%s" %user.email
 426     user_mail = user_mail.split(';')
 427     techmails = user.get_profile().peer.techc_emails.all()
 428     if techmails:
 429         for techmail in techmails:
 430             techmails_list.append(techmail.email)
 431     if settings.NOTIFY_ADMIN_MAILS:
 432         additional_mail = settings.NOTIFY_ADMIN_MAILS
 433 #    mail.extend(user_mail)
 434     mail.extend(additional_mail)
 435     mail.extend(techmails_list)
 436     return mail
 437
 438 def gettos(request):
 439     return render_to_response('gettos.html', context_instance=RequestContext(request))
 440
 441 def getinfo(request):
 442     return render_to_response('getinfo.html', context_instance=RequestContext(request))
 443
 444 def send_new_mail(subject, message, from_email, recipient_list, bcc_list):
 445     return EmailMessage(subject, message, from_email, recipient_list, bcc_list).send()
 446