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Leonidas Poulopoulos authored88a6afb7
views.py 21.07 KiB
# Create your views here.
import urllib2
import socket
import json
from django import forms
from django.views.decorators.csrf import csrf_exempt
from django.core import urlresolvers
from django.core import serializers
from django.contrib.auth.decorators import login_required
from django.contrib.auth import logout
from django.contrib.sites.models import Site
from django.contrib.auth.models import User
from django.http import HttpResponseRedirect, HttpResponseForbidden, HttpResponse
from django.shortcuts import get_object_or_404, render_to_response
from django.core.context_processors import request
from django.template.context import RequestContext
from django.template.loader import get_template, render_to_string
from django.core.urlresolvers import reverse
from django.contrib import messages
from flowspy.accounts.models import *
from ipaddr import *
from django.contrib.auth import authenticate, login
from django.forms.models import model_to_dict
from flowspy.flowspec.forms import *
from flowspy.flowspec.models import *
from flowspy.peers.models import *
from registration.models import RegistrationProfile
from copy import deepcopy
from flowspy.utils.decorators import shib_required
from django.views.decorators.cache import never_cache
from django.conf import settings
from django.core.mail.message import EmailMessage
import datetime
import os
LOG_FILENAME = os.path.join(settings.LOG_FILE_LOCATION, 'celery_jobs.log')
#FORMAT = '%(asctime)s %(levelname)s: %(message)s'
#logging.basicConfig(format=FORMAT)
formatter = logging.Formatter('%(asctime)s %(levelname)s %(clientip)s %(user)s: %(message)s')
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
handler = logging.FileHandler(LOG_FILENAME)
handler.setFormatter(formatter)
logger.addHandler(handler)
@login_required
def user_routes(request):
user_routes = Route.objects.filter(applier=request.user)
return render_to_response('user_routes.html', {'routes': user_routes},
context_instance=RequestContext(request))
def welcome(request):
return render_to_response('welcome.html', context_instance=RequestContext(request))
@login_required
@never_cache
def group_routes(request):
group_routes = []
try:
peer = request.user.get_profile().peer
except UserProfile.DoesNotExist:
error = "User <strong>%s</strong> does not belong to any peer or organization. It is not possible to create new firewall rules.<br>Please contact Helpdesk to resolve this issue" % request.user.username
return render_to_response('error.html', {'error': error})
if peer:
peer_members = UserProfile.objects.filter(peer=peer)
users = [prof.user for prof in peer_members]
group_routes = Route.objects.filter(applier__in=users)
if request.user.is_superuser:
group_routes = Route.objects.all()
return render_to_response('user_routes.html', {'routes': group_routes},
context_instance=RequestContext(request))
@login_required
@never_cache
def add_route(request):
applier = request.user.pk
applier_peer_networks = request.user.get_profile().peer.networks.all()
if not applier_peer_networks:
messages.add_message(request, messages.WARNING,
"Insufficient rights on administrative networks. Cannot add rule. Contact your administrator")
return HttpResponseRedirect(reverse("group-routes"))
if request.method == "GET":
form = RouteForm(initial={'applier': applier})
if not request.user.is_superuser:
form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
form.fields['protocol'] = forms.ModelMultipleChoiceField(queryset=MatchProtocol.objects.filter(protocol__in=settings.UI_USER_PROTOCOLS).order_by('protocol'), required=False)
return render_to_response('apply.html', {'form': form, 'applier': applier},
context_instance=RequestContext(request))
else:
request_data = request.POST.copy()
if request.user.is_superuser:
request_data['issuperuser'] = request.user.username
else:
try:
del requset_data['issuperuser']
except:
pass
form = RouteForm(request_data)
if form.is_valid():
route=form.save(commit=False)
if not request.user.is_superuser:
route.applier = request.user
route.status = "PENDING"
route.source = IPNetwork("%s/%s" %(IPNetwork(route.source).network.compressed, IPNetwork(route.source).prefixlen)).compressed
route.destination = IPNetwork("%s/%s" %(IPNetwork(route.destination).network.compressed, IPNetwork(route.destination).prefixlen)).compressed
route.save()
form.save_m2m()
route.commit_add()
requesters_address = request.META['HTTP_X_FORWARDED_FOR']
mail_body = render_to_string("rule_add_mail.txt",
{"route": route, "address": requesters_address})
user_mail = "%s" %route.applier.email
user_mail = user_mail.split(';')
send_new_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s creation request submitted by %s" %(route.name, route.applier.username),
mail_body, settings.SERVER_EMAIL, user_mail,
get_peer_techc_mails(route.applier))
d = { 'clientip' : "%s"%requesters_address, 'user' : route.applier.username }
logger.info(mail_body, extra=d)
return HttpResponseRedirect(reverse("group-routes"))
else:
if not request.user.is_superuser:
form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
form.fields['protocol'] = forms.ModelMultipleChoiceField(queryset=MatchProtocol.objects.filter(protocol__in=settings.UI_USER_PROTOCOLS).order_by('protocol'), required=False)
return render_to_response('apply.html', {'form': form, 'applier':applier},
context_instance=RequestContext(request))
@login_required
@never_cache
def edit_route(request, route_slug):
applier = request.user.pk
applier_peer = request.user.get_profile().peer
route_edit = get_object_or_404(Route, name=route_slug)
route_edit_applier_peer = route_edit.applier.get_profile().peer
if applier_peer != route_edit_applier_peer and (not request.user.is_superuser):
messages.add_message(request, messages.WARNING,
"Insufficient rights to edit rule %s" %(route_slug))
return HttpResponseRedirect(reverse("group-routes"))
# if route_edit.status == "ADMININACTIVE" :
# messages.add_message(request, messages.WARNING,
# "Administrator has disabled editing of rule %s" %(route_slug))
# return HttpResponseRedirect(reverse("group-routes"))
# if route_edit.status == "EXPIRED" :
# messages.add_message(request, messages.WARNING,
# "Cannot edit the expired rule %s. Contact helpdesk to enable it" %(route_slug))
# return HttpResponseRedirect(reverse("group-routes"))
if route_edit.status == "PENDING" :
messages.add_message(request, messages.WARNING,
"Cannot edit a pending rule: %s." %(route_slug))
return HttpResponseRedirect(reverse("group-routes"))
route_original = deepcopy(route_edit)
if request.POST:
request_data = request.POST.copy()
if request.user.is_superuser:
request_data['issuperuser'] = request.user.username
else:
try:
del request_data['issuperuser']
except:
pass
form = RouteForm(request_data, instance = route_edit)
critical_changed_values = ['source', 'destination', 'sourceport', 'destinationport', 'port', 'protocol', 'then']
if form.is_valid():
changed_data = form.changed_data
route=form.save(commit=False)
route.name = route_original.name
route.status = route_original.status
route.response = route_original.response
if not request.user.is_superuser:
route.applier = request.user
if bool(set(changed_data) & set(critical_changed_values)) or (not route_original.status == 'ACTIVE'):
route.status = "PENDING"
route.response = "Applying..."
route.source = IPNetwork("%s/%s" %(IPNetwork(route.source).network.compressed, IPNetwork(route.source).prefixlen)).compressed
route.destination = IPNetwork("%s/%s" %(IPNetwork(route.destination).network.compressed, IPNetwork(route.destination).prefixlen)).compressed
route.save()
if bool(set(changed_data) & set(critical_changed_values)) or (not route_original.status == 'ACTIVE'):
form.save_m2m()
route.commit_edit()
requesters_address = request.META['HTTP_X_FORWARDED_FOR']
mail_body = render_to_string("rule_edit_mail.txt",
{"route": route, "address": requesters_address})
user_mail = "%s" %route.applier.email
user_mail = user_mail.split(';')
send_new_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s edit request submitted by %s" %(route.name, route.applier.username),
mail_body, settings.SERVER_EMAIL, user_mail,
get_peer_techc_mails(route.applier))
d = { 'clientip' : requesters_address, 'user' : route.applier.username }
logger.info(mail_body, extra=d)
return HttpResponseRedirect(reverse("group-routes"))
else:
if not request.user.is_superuser:
form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
form.fields['protocol'] = forms.ModelMultipleChoiceField(queryset=MatchProtocol.objects.filter(protocol__in=settings.UI_USER_PROTOCOLS).order_by('protocol'), required=False)
return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
context_instance=RequestContext(request))
else:
if (not route_original.status == 'ACTIVE'):
route_edit.expires = datetime.date.today() + datetime.timedelta(days = settings.EXPIRATION_DAYS_OFFSET)
dictionary = model_to_dict(route_edit, fields=[], exclude=[])
if request.user.is_superuser:
dictionary['issuperuser'] = request.user.username
else:
try:
del dictionary['issuperuser']
except:
pass
form = RouteForm(dictionary)
if not request.user.is_superuser:
form.fields['then'] = forms.ModelMultipleChoiceField(queryset=ThenAction.objects.filter(action__in=settings.UI_USER_THEN_ACTIONS).order_by('action'), required=True)
form.fields['protocol'] = forms.ModelMultipleChoiceField(queryset=MatchProtocol.objects.filter(protocol__in=settings.UI_USER_PROTOCOLS).order_by('protocol'), required=False)
return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
context_instance=RequestContext(request))
@login_required
@never_cache
def delete_route(request, route_slug):
if request.is_ajax():
route = get_object_or_404(Route, name=route_slug)
applier_peer = route.applier.get_profile().peer
requester_peer = request.user.get_profile().peer
if applier_peer == requester_peer or request.user.is_superuser:
route.status = "PENDING"
route.expires = datetime.date.today()
if not request.user.is_superuser:
route.applier = request.user
route.response = "Suspending..."
route.save()
route.commit_delete()
requesters_address = request.META['HTTP_X_FORWARDED_FOR']
mail_body = render_to_string("rule_delete_mail.txt",
{"route": route, "address": requesters_address})
user_mail = "%s" %route.applier.email
user_mail = user_mail.split(';')
send_new_mail(settings.EMAIL_SUBJECT_PREFIX + "Rule %s removal request submitted by %s" %(route.name, route.applier.username),
mail_body, settings.SERVER_EMAIL, user_mail,
get_peer_techc_mails(route.applier))
d = { 'clientip' : requesters_address, 'user' : route.applier.username }
logger.info(mail_body, extra=d)
html = "<html><body>Done</body></html>"
return HttpResponse(html)
else:
return HttpResponseRedirect(reverse("group-routes"))
@login_required
@never_cache
def user_profile(request):
user = request.user
try:
peer = request.user.get_profile().peer
peers = Peer.objects.filter(pk=peer.pk)
if user.is_superuser:
peers = Peer.objects.all()
except UserProfile.DoesNotExist:
error = "User <strong>%s</strong> does not belong to any peer or organization. It is not possible to create new firewall rules.<br>Please contact Helpdesk to resolve this issue" % user.username
return render_to_response('error.html', {'error': error})
return render_to_response('profile.html', {'user': user, 'peers':peers},
context_instance=RequestContext(request))
@never_cache
def user_login(request):
try:
error_username = False
error_orgname = False
error_entitlement = False
error_mail = False
has_entitlement = False
error = ''
username = request.META['HTTP_EPPN']
if not username:
error_username = True
firstname = request.META['HTTP_SHIB_INETORGPERSON_GIVENNAME']
lastname = request.META['HTTP_SHIB_PERSON_SURNAME']
mail = request.META['HTTP_SHIB_INETORGPERSON_MAIL']
organization = request.META['HTTP_SHIB_HOMEORGANIZATION']
entitlement = request.META['HTTP_SHIB_EP_ENTITLEMENT']
if settings.SHIB_AUTH_ENTITLEMENT in entitlement.split(";"):
has_entitlement = True
if not has_entitlement:
error_entitlement = True
if not organization:
error_orgname = True
if not mail:
error_mail = True
if error_username:
error = "Your idP should release the HTTP_EPPN attribute towards this service<br>"
if error_orgname:
error = error + "Your idP should release the HTTP_SHIB_HOMEORGANIZATION attribute towards this service<br>"
if error_entitlement:
error = error + "Your idP should release an appropriate HTTP_SHIB_EP_ENTITLEMENT attribute towards this service<br>"
if error_mail:
error = error + "Your idP should release the HTTP_SHIB_INETORGPERSON_MAIL attribute towards this service"
if error_username or error_orgname or error_entitlement or error_mail:
return render_to_response('error.html', {'error': error, "missing_attributes": True},
context_instance=RequestContext(request))
try:
user = User.objects.get(username__exact=username)
user.email = mail
user.first_name = firstname
user.last_name = lastname
user.save()
user_exists = True
except:
user_exists = False
user = authenticate(username=username, firstname=firstname, lastname=lastname, mail=mail, authsource='shibboleth')
if user is not None:
try:
peer = Peer.objects.get(domain_name=organization)
up = UserProfile.objects.get_or_create(user=user,peer=peer)
except:
error = "Your organization's domain name does not match our peers' domain names<br>Please contact Helpdesk to resolve this issue"
return render_to_response('error.html', {'error': error})
if not user_exists:
user_activation_notify(user)
if user.is_active:
login(request, user)
return HttpResponseRedirect(reverse("group-routes"))
else:
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
return render_to_response('error.html', {'error': error, 'inactive': True},
context_instance=RequestContext(request))
else:
error = "Something went wrong during user authentication. Contact your administrator"
return render_to_response('error.html', {'error': error,},
context_instance=RequestContext(request))
except Exception:
error = "Invalid login procedure"
return render_to_response('error.html', {'error': error,},
context_instance=RequestContext(request))
# Return an 'invalid login' error message.
# return HttpResponseRedirect(reverse("user-routes"))
def user_activation_notify(user):
current_site = Site.objects.get_current()
subject = render_to_string('registration/activation_email_subject.txt',
{ 'site': current_site })
# Email subject *must not* contain newlines
subject = ''.join(subject.splitlines())
registration_profile = RegistrationProfile.objects.create_profile(user)
message = render_to_string('registration/activation_email.txt',
{ 'activation_key': registration_profile.activation_key,
'expiration_days': settings.ACCOUNT_ACTIVATION_DAYS,
'site': current_site,
'user': user })
send_new_mail(settings.EMAIL_SUBJECT_PREFIX + subject,
message, settings.SERVER_EMAIL,
get_peer_techc_mails(user), [])
@login_required
@never_cache
def add_rate_limit(request):
if request.method == "GET":
form = ThenPlainForm()
return render_to_response('add_rate_limit.html', {'form': form,},
context_instance=RequestContext(request))
else:
form = ThenPlainForm(request.POST)
if form.is_valid():
then=form.save(commit=False)
then.action_value = "%sk"%then.action_value
then.save()
response_data = {}
response_data['pk'] = "%s" %then.pk
response_data['value'] = "%s:%s" %(then.action, then.action_value)
return HttpResponse(json.dumps(response_data), mimetype='application/json')
else:
return render_to_response('add_rate_limit.html', {'form': form,},
context_instance=RequestContext(request))
@login_required
@never_cache
def add_port(request):
if request.method == "GET":
form = PortPlainForm()
return render_to_response('add_port.html', {'form': form,},
context_instance=RequestContext(request))
else:
form = PortPlainForm(request.POST)
if form.is_valid():
port=form.save()
response_data = {}
response_data['value'] = "%s" %port.pk
response_data['text'] = "%s" %port.port
return HttpResponse(json.dumps(response_data), mimetype='application/json')
else:
return render_to_response('add_port.html', {'form': form,},
context_instance=RequestContext(request))
@login_required
@never_cache
def user_logout(request):
logout(request)
return HttpResponseRedirect(reverse('group-routes'))
@never_cache
def load_jscript(request, file):
long_polling_timeout = int(settings.POLL_SESSION_UPDATE)*1000 + 10000
return render_to_response('%s.js' % file, {'timeout': long_polling_timeout}, context_instance=RequestContext(request), mimetype="text/javascript")
def get_peer_techc_mails(user):
mail = []
additional_mail = []
techmails_list = []
user_mail = "%s" %user.email
user_mail = user_mail.split(';')
techmails = user.get_profile().peer.techc_emails.all()
if techmails:
for techmail in techmails:
techmails_list.append(techmail.email)
if settings.NOTIFY_ADMIN_MAILS:
additional_mail = settings.NOTIFY_ADMIN_MAILS
# mail.extend(user_mail)
mail.extend(additional_mail)
mail.extend(techmails_list)
return mail
def send_new_mail(subject, message, from_email, recipient_list, bcc_list):
return EmailMessage(subject, message, from_email, recipient_list, bcc_list).send()