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