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