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