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.http import HttpResponseRedirect, HttpResponseForbidden, HttpResponse
  12 from django.shortcuts import get_object_or_404, render_to_response
  13 from django.core.context_processors import request
  14 from django.template.context import RequestContext
  15 from django.template.loader import get_template, render_to_string
  16 from django.utils import simplejson
  17 from django.core.urlresolvers import reverse
  18 from django.contrib import messages
  19 from flowspy.accounts.models import *
  20 from ipaddr import *
  21
  22 from django.contrib.auth import authenticate, login
  23
  24 from django.forms.models import model_to_dict
  25
  26 from flowspy.flowspec.forms import *
  27 from flowspy.flowspec.models import *
  28
  29 from copy import deepcopy
  30 from flowspy.utils.decorators import shib_required
  31
  32 from django.views.decorators.cache import never_cache
  33 from django.conf import settings
  34 from django.core.mail import mail_admins, mail_managers, send_mail
  35
  36 import os
  37
  38 LOG_FILENAME = os.path.join(settings.LOG_FILE_LOCATION, 'celery_jobs.log')
  39 #FORMAT = '%(asctime)s %(levelname)s: %(message)s'
  40 #logging.basicConfig(format=FORMAT)
  41 formatter = logging.Formatter('%(asctime)s %(levelname)s %(clientip)s %(user)s: %(message)s')
  42
  43 logger = logging.getLogger(__name__)
  44 logger.setLevel(logging.DEBUG)
  45 handler = logging.FileHandler(LOG_FILENAME)
  46 handler.setFormatter(formatter)
  47 logger.addHandler(handler)
  48
  49 @login_required
  50 def user_routes(request):
  51     user_routes = Route.objects.filter(applier=request.user)
  52     return render_to_response('user_routes.html', {'routes': user_routes},
  53                               context_instance=RequestContext(request))
  54
  55 def welcome(request):
  56     return render_to_response('welcome.html', context_instance=RequestContext(request))
  57
  58 @login_required
  59 @never_cache
  60 def group_routes(request):
  61     group_routes = []
  62     peer = request.user.get_profile().peer
  63     if peer:
  64        peer_members = UserProfile.objects.filter(peer=peer)
  65        users = [prof.user for prof in peer_members]
  66        group_routes = Route.objects.filter(applier__in=users)
  67     return render_to_response('user_routes.html', {'routes': group_routes},
  68                               context_instance=RequestContext(request))
  69
  70
  71 @login_required
  72 @never_cache
  73 def add_route(request):
  74     applier = request.user.pk
  75     applier_peer_networks = request.user.get_profile().peer.networks.all()
  76     if not applier_peer_networks:
  77          messages.add_message(request, messages.WARNING,
  78                              "Insufficient rights on administrative networks. Cannot add rule. Contact your administrator")
  79          return HttpResponseRedirect(reverse("group-routes"))
  80     if request.method == "GET":
  81         form = RouteForm()
  82         if not request.user.is_superuser:
  83             form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
  84         return render_to_response('apply.html', {'form': form, 'applier': applier},
  85                                   context_instance=RequestContext(request))
  86
  87     else:
  88         form = RouteForm(request.POST)
  89         if form.is_valid():
  90             route=form.save(commit=False)
  91             route.applier = request.user
  92             route.status = "PENDING"
  93             route.source = IPNetwork("%s/%s" %(IPNetwork(route.source).network.compressed, IPNetwork(route.source).prefixlen)).compressed
  94             route.destination = IPNetwork("%s/%s" %(IPNetwork(route.destination).network.compressed, IPNetwork(route.destination).prefixlen)).compressed
  95             route.save()
  96             form.save_m2m()
  97             route.commit_add()
  98             requesters_address = request.META['HTTP_X_FORWARDED_FOR']
  99             mail_body = render_to_string("rule_add_mail.txt",
 100                                              {"route": route, "address": requesters_address})
 101             send_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s creation request submitted by %s" %(route.name, route.applier.username),
 102                               mail_body, settings.SERVER_EMAIL,
 103                               get_peer_techc_mails(route.applier), fail_silently=True)
 104             d = { 'clientip' : "%s"%requesters_address, 'user' : route.applier.username }
 105             logger.info(mail_body, extra=d)
 106             return HttpResponseRedirect(reverse("group-routes"))
 107         else:
 108             return render_to_response('apply.html', {'form': form, 'applier':applier},
 109                                       context_instance=RequestContext(request))
 110
 111 @login_required
 112 @never_cache
 113 def edit_route(request, route_slug):
 114     applier = request.user.pk
 115     applier_peer = request.user.get_profile().peer
 116     route_edit = get_object_or_404(Route, name=route_slug)
 117     route_edit_applier_peer = route_edit.applier.get_profile().peer
 118     if applier_peer != route_edit_applier_peer:
 119         messages.add_message(request, messages.WARNING,
 120                              "Insufficient rights to edit rule %s" %(route_slug))
 121         return HttpResponseRedirect(reverse("group-routes"))
 122 #    if route_edit.status == "ADMININACTIVE" :
 123 #        messages.add_message(request, messages.WARNING,
 124 #                             "Administrator has disabled editing of rule %s" %(route_slug))
 125 #        return HttpResponseRedirect(reverse("group-routes"))
 126 #    if route_edit.status == "EXPIRED" :
 127 #        messages.add_message(request, messages.WARNING,
 128 #                             "Cannot edit the expired rule %s. Contact helpdesk to enable it" %(route_slug))
 129 #        return HttpResponseRedirect(reverse("group-routes"))
 130     if route_edit.status == "PENDING" :
 131         messages.add_message(request, messages.WARNING,
 132                              "Cannot edit a pending rule: %s." %(route_slug))
 133         return HttpResponseRedirect(reverse("group-routes"))
 134     route_original = deepcopy(route_edit)
 135     if request.POST:
 136         form = RouteForm(request.POST, instance = route_edit)
 137         if form.is_valid():
 138             route=form.save(commit=False)
 139             route.name = route_original.name
 140             route.applier = request.user
 141             route.status = "PENDING"
 142             route.source = IPNetwork("%s/%s" %(IPNetwork(route.source).network.compressed, IPNetwork(route.source).prefixlen)).compressed
 143             route.destination = IPNetwork("%s/%s" %(IPNetwork(route.destination).network.compressed, IPNetwork(route.destination).prefixlen)).compressed
 144             route.save()
 145             form.save_m2m()
 146             route.commit_edit()
 147             requesters_address = request.META['HTTP_X_FORWARDED_FOR']
 148             mail_body = render_to_string("rule_edit_mail.txt",
 149                                              {"route": route, "address": requesters_address})
 150             send_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s edit request submitted by %s" %(route.name, route.applier.username),
 151                               mail_body, settings.SERVER_EMAIL,
 152                               get_peer_techc_mails(route.applier), fail_silently=True)
 153             d = { 'clientip' : requesters_address, 'user' : route.applier.username }
 154             logger.info(mail_body, extra=d)
 155             return HttpResponseRedirect(reverse("group-routes"))
 156         else:
 157             return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 158                                       context_instance=RequestContext(request))
 159     else:
 160         dictionary = model_to_dict(route_edit, fields=[], exclude=[])
 161         #form = RouteForm(instance=route_edit)
 162         form = RouteForm(dictionary)
 163         if not request.user.is_superuser:
 164             form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
 165         return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 166                                   context_instance=RequestContext(request))
 167
 168 @login_required
 169 @never_cache
 170 def delete_route(request, route_slug):
 171     if request.is_ajax():
 172         route = get_object_or_404(Route, name=route_slug)
 173         applier_peer = route.applier.get_profile().peer
 174         requester_peer = request.user.get_profile().peer
 175         if applier_peer == requester_peer:
 176             route.status = "PENDING"
 177             route.save()
 178             route.commit_delete()
 179             requesters_address = request.META['HTTP_X_FORWARDED_FOR']
 180             mail_body = render_to_string("rule_delete_mail.txt",
 181                                              {"route": route, "address": requesters_address})
 182             send_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s removal request submitted by %s" %(route.name, route.applier.username),
 183                               mail_body, settings.SERVER_EMAIL,
 184                              get_peer_techc_mails(route.applier), fail_silently=True)
 185             d = { 'clientip' : requesters_address, 'user' : route.applier.username }
 186             logger.info(mail_body, extra=d)
 187         html = "<html><body>Done</body></html>"
 188         return HttpResponse(html)
 189     else:
 190         return HttpResponseRedirect(reverse("group-routes"))
 191
 192 @login_required
 193 @never_cache
 194 def user_profile(request):
 195     user = request.user
 196     peer = request.user.get_profile().peer
 197
 198     return render_to_response('profile.html', {'user': user, 'peer':peer},
 199                                   context_instance=RequestContext(request))
 200
 201 @never_cache
 202 def user_login(request):
 203     try:
 204         error_username = None
 205         error_orgname = None
 206         error_affiliation = None
 207         error = ''
 208         username = request.META['HTTP_EPPN']
 209         if not username:
 210             error_username = True
 211         firstname = request.META['HTTP_SHIB_INETORGPERSON_GIVENNAME']
 212         lastname = request.META['HTTP_SHIB_PERSON_SURNAME']
 213         mail = request.META['HTTP_SHIB_INETORGPERSON_MAIL']
 214         organization = request.META['HTTP_SHIB_HOMEORGANIZATION']
 215         affiliation = request.META['HTTP_SHIB_EP_ENTITLEMENT']
 216         if settings.SHIB_AUTH_AFFILIATION in affiliation.split(";"):
 217             has_affiliation = True
 218         if not has_affiliation:
 219             error_affiliation = True
 220         if not organization:
 221             error_orgname = True
 222         if error_username:
 223             error = "Your idP should release the HTTP_EPPN attribute towards this service\n"
 224         if error_orgname:
 225             error = error + "Your idP should release the HTTP_SHIB_HOMEORGANIZATION attribute towards this service\n"
 226         if error_affiliation:
 227             error = error + "Your idP should release an appropriate HTTP_SHIB_EP_ENTITLEMENT attribute towards this service"
 228         if error_username or error_orgname or error_affiliation:
 229             return render_to_response('error.html', {'error': error,},
 230                                   context_instance=RequestContext(request))
 231         user = authenticate(username=username, firstname=firstname, lastname=lastname, mail=mail, organization=organization, affiliation=affiliation)
 232         if user is not None:
 233             login(request, user)
 234             update_user_attributes(user, firstname=firstname, lastname=lastname, mail=mail)
 235             return HttpResponseRedirect(reverse("group-routes"))
 236                 # Redirect to a success page.
 237                 # Return a 'disabled account' error message
 238         else:
 239             error = "Something went wrong during user authentication. Contact your administrator"
 240             return render_to_response('error.html', {'error': error,},
 241                                   context_instance=RequestContext(request))
 242     except Exception as e:
 243         error = "Invalid login procedure"
 244         return render_to_response('error.html', {'error': error,},
 245                                   context_instance=RequestContext(request))
 246         # Return an 'invalid login' error message.
 247 #    return HttpResponseRedirect(reverse("user-routes"))
 248
 249 @login_required
 250 @never_cache
 251 def add_rate_limit(request):
 252     if request.method == "GET":
 253         form = ThenPlainForm()
 254         return render_to_response('add_rate_limit.html', {'form': form,},
 255                                   context_instance=RequestContext(request))
 256
 257     else:
 258         form = ThenPlainForm(request.POST)
 259         if form.is_valid():
 260             then=form.save(commit=False)
 261             then.action_value = "%sk"%then.action_value
 262             then.save()
 263             response_data = {}
 264             response_data['pk'] = "%s" %then.pk
 265             response_data['value'] = "%s:%s" %(then.action, then.action_value)
 266             return HttpResponse(simplejson.dumps(response_data), mimetype='application/json')
 267         else:
 268             return render_to_response('add_rate_limit.html', {'form': form,},
 269                                       context_instance=RequestContext(request))
 270
 271 def update_user_attributes(user, firstname, lastname, mail):
 272     user.first_name = firstname
 273     user.last_name = lastname
 274     user.email = mail
 275     user.save()
 276
 277 @login_required
 278 @never_cache
 279 def add_port(request):
 280     if request.method == "GET":
 281         form = PortPlainForm()
 282         return render_to_response('add_port.html', {'form': form,},
 283                                   context_instance=RequestContext(request))
 284
 285     else:
 286         form = PortPlainForm(request.POST)
 287         if form.is_valid():
 288             port=form.save()
 289             response_data = {}
 290             response_data['value'] = "%s" %port.pk
 291             response_data['text'] = "%s" %port.port
 292             return HttpResponse(simplejson.dumps(response_data), mimetype='application/json')
 293         else:
 294             return render_to_response('add_port.html', {'form': form,},
 295                                       context_instance=RequestContext(request))
 296
 297 @login_required
 298 @never_cache
 299 def user_logout(request):
 300     logout(request)
 301     return HttpResponseRedirect(reverse('group-routes'))
 302
 303 @never_cache
 304 def load_jscript(request, file):
 305     long_polling_timeout = int(settings.POLL_SESSION_UPDATE)*1000 + 10000
 306     return render_to_response('%s.js' % file, {'timeout': long_polling_timeout}, context_instance=RequestContext(request), mimetype="text/javascript")
 307
 308
 309 def get_peer_techc_mails(user):
 310     user_mail = user.email
 311     techmails = user.get_profile().peer.techc()
 312     additional_mail = "%s;%s" %(settings.HELPDESK_MAIL,settings.NOC_MAIL)
 313     if techmails:
 314         mail = "%s;%s" %(techmails, additional_mail)
 315     else:
 316         mail = additional_mail
 317     mail = "%s;%s" %(user_mail, mail)
 318     mail =  mail.split(';')
 319     return mail