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
  21 from django.contrib.auth import authenticate, login
  22
  23 from django.forms.models import model_to_dict
  24
  25 from flowspy.flowspec.forms import *
  26 from flowspy.flowspec.models import *
  27
  28 from copy import deepcopy
  29 from flowspy.utils.decorators import shib_required
  30
  31 from django.views.decorators.cache import never_cache
  32 from django.conf import settings
  33 from django.core.mail import mail_admins, mail_managers, send_mail
  34
  35
  36 @login_required
  37 def user_routes(request):
  38     user_routes = Route.objects.filter(applier=request.user)
  39     return render_to_response('user_routes.html', {'routes': user_routes},
  40                               context_instance=RequestContext(request))
  41
  42 def welcome(request):
  43     return render_to_response('welcome.html', context_instance=RequestContext(request))
  44
  45 @login_required
  46 @never_cache
  47 def group_routes(request):
  48     group_routes = []
  49     peer = request.user.get_profile().peer
  50     if peer:
  51        peer_members = UserProfile.objects.filter(peer=peer)
  52        users = [prof.user for prof in peer_members]
  53        group_routes = Route.objects.filter(applier__in=users)
  54     return render_to_response('user_routes.html', {'routes': group_routes},
  55                               context_instance=RequestContext(request))
  56
  57
  58 @login_required
  59 @never_cache
  60 def add_route(request):
  61     applier = request.user.pk
  62     applier_peer_networks = request.user.get_profile().peer.networks.all()
  63     if not applier_peer_networks:
  64          messages.add_message(request, messages.WARNING,
  65                              "Insufficient rights on administrative networks. Cannot add rule. Contact your administrator")
  66          return HttpResponseRedirect(reverse("group-routes"))
  67     if request.method == "GET":
  68         form = RouteForm()
  69         return render_to_response('apply.html', {'form': form, 'applier': applier},
  70                                   context_instance=RequestContext(request))
  71
  72     else:
  73         form = RouteForm(request.POST)
  74         if form.is_valid():
  75             route=form.save(commit=False)
  76             route.applier = request.user
  77             route.status = "PENDING"
  78             route.save()
  79             form.save_m2m()
  80             route.commit_add()
  81             mail_body = render_to_string("rule_add_mail.txt",
  82                                              {"route": route})
  83             mail_admins("Rule %s creation request submitted by %s" %(route.name, route.applier.username),
  84                           mail_body, fail_silently=True)
  85             return HttpResponseRedirect(reverse("group-routes"))
  86         else:
  87             return render_to_response('apply.html', {'form': form, 'applier':applier},
  88                                       context_instance=RequestContext(request))
  89
  90 @login_required
  91 @never_cache
  92 def edit_route(request, route_slug):
  93     applier = request.user.pk
  94     applier_peer = request.user.get_profile().peer
  95     route_edit = get_object_or_404(Route, name=route_slug)
  96     route_edit_applier_peer = route_edit.applier.get_profile().peer
  97     if applier_peer != route_edit_applier_peer:
  98         messages.add_message(request, messages.WARNING,
  99                              "Insufficient rights to edit rule %s" %(route_slug))
 100         return HttpResponseRedirect(reverse("group-routes"))
 101     if route_edit.status == "ADMININACTIVE" :
 102         messages.add_message(request, messages.WARNING,
 103                              "Administrator has disabled editing of rule %s" %(route_slug))
 104         return HttpResponseRedirect(reverse("group-routes"))
 105     if route_edit.status == "EXPIRED" :
 106         messages.add_message(request, messages.WARNING,
 107                              "Cannot edit the expired rule %s. Contact helpdesk to enable it" %(route_slug))
 108         return HttpResponseRedirect(reverse("group-routes"))
 109     if route_edit.status == "PENDING" :
 110         messages.add_message(request, messages.WARNING,
 111                              "Cannot edit a pending rule: %s." %(route_slug))
 112         return HttpResponseRedirect(reverse("group-routes"))
 113     route_original = deepcopy(route_edit)
 114     if request.POST:
 115         form = RouteForm(request.POST, instance = route_edit)
 116         if form.is_valid():
 117             route=form.save(commit=False)
 118             route.name = route_original.name
 119             route.applier = request.user
 120             route.status = "PENDING"
 121             route.save()
 122             form.save_m2m()
 123             route.commit_edit()
 124             mail_body = render_to_string("rule_edit_mail.txt",
 125                                              {"route": route})
 126             mail_admins("Rule %s edit request submitted by %s" %(route.name, route.applier.username),
 127                           mail_body, fail_silently=True)
 128             return HttpResponseRedirect(reverse("group-routes"))
 129         else:
 130             return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 131                                       context_instance=RequestContext(request))
 132     else:
 133         dictionary = model_to_dict(route_edit, fields=[], exclude=[])
 134         #form = RouteForm(instance=route_edit)
 135         form = RouteForm(dictionary)
 136         return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 137                                   context_instance=RequestContext(request))
 138
 139 @login_required
 140 @never_cache
 141 def delete_route(request, route_slug):
 142     if request.is_ajax():
 143         route = get_object_or_404(Route, name=route_slug)
 144         applier_peer = route.applier.get_profile().peer
 145         requester_peer = request.user.get_profile().peer
 146         if applier_peer == requester_peer:
 147             route.status = "PENDING"
 148             route.save()
 149             route.commit_delete()
 150             mail_body = render_to_string("rule_delete_mail.txt",
 151                                              {"route": route})
 152             mail_admins("Rule %s removal request submitted by %s" %(route.name, route.applier.username),
 153                           mail_body, fail_silently=True)
 154         html = "<html><body>Done</body></html>"
 155         return HttpResponse(html)
 156     else:
 157         return HttpResponseRedirect(reverse("group-routes"))
 158
 159 @login_required
 160 @never_cache
 161 def user_profile(request):
 162     user = request.user
 163     peer = request.user.get_profile().peer
 164
 165     return render_to_response('profile.html', {'user': user, 'peer':peer},
 166                                   context_instance=RequestContext(request))
 167
 168 @never_cache
 169 def user_login(request):
 170     try:
 171         error_username = None
 172         error_orgname = None
 173         error_affiliation = None
 174         error = ''
 175         username = request.META['HTTP_EPPN']
 176         if not username:
 177             error_username = True
 178         firstname = request.META['HTTP_SHIB_INETORGPERSON_GIVENNAME']
 179         lastname = request.META['HTTP_SHIB_PERSON_SURNAME']
 180         mail = request.META['HTTP_SHIB_INETORGPERSON_MAIL']
 181         organization = request.META['HTTP_SHIB_HOMEORGANIZATION']
 182         affiliation = request.META['HTTP_SHIB_EP_ENTITLEMENT']
 183         if settings.SHIB_AUTH_AFFILIATION in affiliation.split(";"):
 184             has_affiliation = True
 185         if not has_affiliation:
 186             error_affiliation = True
 187         if not organization:
 188             error_orgname = True
 189         if error_username:
 190             error = "Your idP should release the HTTP_EPPN attribute towards this service\n"
 191         if error_orgname:
 192             error = error + "Your idP should release the HTTP_SHIB_HOMEORGANIZATION attribute towards this service\n"
 193         if error_affiliation:
 194             error = error + "Your idP should release an appropriate HTTP_SHIB_EP_ENTITLEMENT attribute towards this service"
 195         if error_username or error_orgname or error_affiliation:
 196             return render_to_response('error.html', {'error': error,},
 197                                   context_instance=RequestContext(request))
 198         user = authenticate(username=username, firstname=firstname, lastname=lastname, mail=mail, organization=organization, affiliation=affiliation)
 199         if user is not None:
 200             login(request, user)
 201             update_user_attributes(user, firstname=firstname, lastname=lastname, mail=mail)
 202             return HttpResponseRedirect(reverse("group-routes"))
 203                 # Redirect to a success page.
 204                 # Return a 'disabled account' error message
 205         else:
 206             error = "Something went wrong during user authentication. Contact your administrator"
 207             return render_to_response('error.html', {'error': error,},
 208                                   context_instance=RequestContext(request))
 209     except Exception as e:
 210         error = "Invalid login procedure"
 211         return render_to_response('error.html', {'error': error,},
 212                                   context_instance=RequestContext(request))
 213         # Return an 'invalid login' error message.
 214 #    return HttpResponseRedirect(reverse("user-routes"))
 215
 216 @login_required
 217 @never_cache
 218 def add_rate_limit(request):
 219     if request.method == "GET":
 220         form = ThenPlainForm()
 221         return render_to_response('add_rate_limit.html', {'form': form,},
 222                                   context_instance=RequestContext(request))
 223
 224     else:
 225         form = ThenPlainForm(request.POST)
 226         if form.is_valid():
 227             then=form.save(commit=False)
 228             then.action_value = "%sk"%then.action_value
 229             then.save()
 230             response_data = {}
 231             response_data['pk'] = "%s" %then.pk
 232             response_data['value'] = "%s:%s" %(then.action, then.action_value)
 233             return HttpResponse(simplejson.dumps(response_data), mimetype='application/json')
 234         else:
 235             return render_to_response('add_rate_limit.html', {'form': form,},
 236                                       context_instance=RequestContext(request))
 237
 238 def update_user_attributes(user, firstname, lastname, mail):
 239     user.first_name = firstname
 240     user.last_name = lastname
 241     user.email = mail
 242     user.save()
 243
 244 @login_required
 245 @never_cache
 246 def add_port(request):
 247     if request.method == "GET":
 248         form = PortPlainForm()
 249         return render_to_response('add_port.html', {'form': form,},
 250                                   context_instance=RequestContext(request))
 251
 252     else:
 253         form = PortPlainForm(request.POST)
 254         if form.is_valid():
 255             port=form.save()
 256             response_data = {}
 257             response_data['value'] = "%s" %port.pk
 258             response_data['text'] = "%s" %port.port
 259             return HttpResponse(simplejson.dumps(response_data), mimetype='application/json')
 260         else:
 261             return render_to_response('add_port.html', {'form': form,},
 262                                       context_instance=RequestContext(request))
 263
 264 @login_required
 265 @never_cache
 266 def user_logout(request):
 267     logout(request)
 268     return HttpResponseRedirect(reverse('group-routes'))
 269
 270 @never_cache
 271 def load_jscript(request, file):
 272     return render_to_response('%s.js' % file, context_instance=RequestContext(request), mimetype="text/javascript")