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 import simplejson
  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     peer = request.user.get_profile().peer
  68     if peer:
  69        peer_members = UserProfile.objects.filter(peer=peer)
  70        users = [prof.user for prof in peer_members]
  71        group_routes = Route.objects.filter(applier__in=users)
  72     return render_to_response('user_routes.html', {'routes': group_routes},
  73                               context_instance=RequestContext(request))
  74
  75
  76 @login_required
  77 @never_cache
  78 def add_route(request):
  79     applier = request.user.pk
  80     applier_peer_networks = request.user.get_profile().peer.networks.all()
  81     if not applier_peer_networks:
  82          messages.add_message(request, messages.WARNING,
  83                              "Insufficient rights on administrative networks. Cannot add rule. Contact your administrator")
  84          return HttpResponseRedirect(reverse("group-routes"))
  85     if request.method == "GET":
  86         form = RouteForm()
  87         if not request.user.is_superuser:
  88             form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
  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         return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 175                                   context_instance=RequestContext(request))
 176
 177 @login_required
 178 @never_cache
 179 def delete_route(request, route_slug):
 180     if request.is_ajax():
 181         route = get_object_or_404(Route, name=route_slug)
 182         applier_peer = route.applier.get_profile().peer
 183         requester_peer = request.user.get_profile().peer
 184         if applier_peer == requester_peer:
 185             route.status = "PENDING"
 186             route.expires = datetime.date.today()
 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(simplejson.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(simplejson.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()
 359     if techmails:
 360         techmails_list = techmails.split(';')
 361     if settings.NOTIFY_ADMIN_MAILS:
 362         additional_mail = settings.NOTIFY_ADMIN_MAILS
 363 #    mail.extend(user_mail)
 364     mail.extend(additional_mail)
 365     mail.extend(techmails_list)
 366     return mail
 367
 368
 369 def send_new_mail(subject, message, from_email, recipient_list, bcc_list):
 370     return EmailMessage(subject, message, from_email, recipient_list, bcc_list).send()
 371