mirror of
https://gitlab.federez.net/re2o/re2o
synced 2024-07-04 21:24:05 +00:00
253 lines
11 KiB
Python
253 lines
11 KiB
Python
# App de gestion des machines pour re2o
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# Gabriel Détraz
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# Gplv2
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from django.shortcuts import render, redirect
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from django.shortcuts import render_to_response, get_object_or_404
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from django.core.context_processors import csrf
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from django.template import Context, RequestContext, loader
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required, permission_required
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from django.db.models import ProtectedError
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from django.forms import ValidationError
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import re
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from .forms import NewMachineForm, EditMachineForm, EditInterfaceForm, AddInterfaceForm, NewInterfaceForm, MachineTypeForm, DelMachineTypeForm, ExtensionForm, DelExtensionForm, BaseEditInterfaceForm, BaseEditMachineForm
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from .models import Machine, Interface, IpList, MachineType, Extension
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from users.models import User
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def full_domain_validator(request, interface, machine):
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""" Validation du nom de domaine, extensions dans type de machine, prefixe pas plus long que 63 caractères """
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HOSTNAME_LABEL_PATTERN = re.compile("(?!-)[A-Z\d-]+(?<!-)$", re.IGNORECASE)
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dns = interface.dns.lower()
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allowed_extension = machine.type.extension.name
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if not dns.endswith(allowed_extension):
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messages.error(request,
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"Le nom de domaine %s doit comporter une extension valide en %s" % (dns, allowed_extension) )
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return False
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dns_short=re.sub('%s$' % allowed_extension, '', dns)
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if len(dns_short) > 63:
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messages.error(request,
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"Le nom de domaine %s est trop long (maximum de 63 caractères)." % dns)
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return False
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if not HOSTNAME_LABEL_PATTERN.match(dns_short):
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messages.error(request,
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"Ce nom de domaine %s contient des carractères interdits." % dns)
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return False
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return True
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def unassign_ips(user):
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machines = Interface.objects.filter(machine=Machine.objects.filter(user=user))
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for machine in machines:
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unassign_ipv4(machine)
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return
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def assign_ips(user):
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""" Assign une ipv4 aux machines d'un user """
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machines = Interface.objects.filter(machine=Machine.objects.filter(user=user))
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for machine in machines:
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if not machine.ipv4:
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interface = assign_ipv4(machine)
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interface.save()
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return
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def free_ip():
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""" Renvoie la liste des ip disponibles """
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return IpList.objects.filter(interface__isnull=True)
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def assign_ipv4(interface):
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""" Assigne une ip à l'interface """
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free_ips = free_ip()
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if free_ips:
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interface.ipv4 = free_ips[0]
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return interface
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def unassign_ipv4(interface):
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interface.ipv4 = None
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interface.save()
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def form(ctx, template, request):
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c = ctx
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c.update(csrf(request))
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return render_to_response(template, c, context_instance=RequestContext(request))
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@login_required
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def new_machine(request, userid):
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try:
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user = User.objects.get(pk=userid)
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except User.DoesNotExist:
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messages.error(request, u"Utilisateur inexistant" )
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return redirect("/machines/")
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if not request.user.has_perms(('cableur',)) and str(userid)!=str(request.user.id):
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messages.error(request, "Vous ne pouvez pas ajouter une machine à un autre user que vous sans droit")
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return redirect("/users/profil/" + str(request.user.id))
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machine = NewMachineForm(request.POST or None)
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interface = AddInterfaceForm(request.POST or None)
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if machine.is_valid() and interface.is_valid():
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new_machine = machine.save(commit=False)
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new_machine.user = user
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new_interface = interface.save(commit=False)
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if full_domain_validator(request, new_interface, new_machine):
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new_machine.save()
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new_interface.machine = new_machine
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if free_ip() and not new_interface.ipv4:
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new_interface = assign_ipv4(new_interface)
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elif not new_interface.ipv4:
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messages.error(request, u"Il n'y a plus d'ip disponibles")
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new_interface.save()
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messages.success(request, "La machine a été crée")
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return redirect("/users/profil/" + userid)
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return form({'machineform': machine, 'interfaceform': interface}, 'machines/machine.html', request)
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@login_required
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def edit_machine(request, interfaceid):
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try:
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interface = Interface.objects.get(pk=interfaceid)
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except Interface.DoesNotExist:
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messages.error(request, u"Interface inexistante" )
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return redirect("/machines")
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if not request.user.has_perms(('cableur',)):
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if str(interface.machine.user.id)!=str(request.user.id):
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messages.error(request, "Vous ne pouvez pas éditer une machine d'un autre user que vous sans droit")
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return redirect("/users/profil/" + str(request.user.id))
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machine_form = BaseEditMachineForm(request.POST or None, instance=interface.machine)
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interface_form = BaseEditInterfaceForm(request.POST or None, instance=interface)
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else:
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machine_form = EditMachineForm(request.POST or None, instance=interface.machine)
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interface_form = EditInterfaceForm(request.POST or None, instance=interface)
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if machine_form.is_valid() and interface_form.is_valid():
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new_interface = interface_form.save(commit=False)
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new_machine = machine_form.save(commit=False)
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if full_domain_validator(request, new_interface, new_machine):
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new_machine.save()
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new_interface.save()
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messages.success(request, "La machine a été modifiée")
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return redirect("/users/profil/" + str(interface.machine.user.id))
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return form({'machineform': machine_form, 'interfaceform': interface_form}, 'machines/machine.html', request)
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@login_required
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def new_interface(request, machineid):
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try:
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machine = Machine.objects.get(pk=machineid)
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except Machine.DoesNotExist:
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messages.error(request, u"Machine inexistante" )
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return redirect("/machines")
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if not request.user.has_perms(('cableur',)):
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if str(machine.user.id)!=str(request.user.id):
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messages.error(request, "Vous ne pouvez pas ajouter une interface à une machine d'un autre user que vous sans droit")
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return redirect("/users/profil/" + str(request.user.id))
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machine_form = BaseEditMachineForm(request.POST or None, instance=machine)
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else:
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machine_form = EditMachineForm(request.POST or None, instance=machine)
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interface_form = AddInterfaceForm(request.POST or None)
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if interface_form.is_valid() and machine_form.is_valid():
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machine_form.save()
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new_interface = interface_form.save(commit=False)
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new_interface.machine = machine
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if full_domain_validator(request, new_interface, machine):
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if free_ip() and not new_interface.ipv4:
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new_interface = assign_ipv4(new_interface)
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elif not new_interface.ipv4:
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messages.error(request, u"Il n'y a plus d'ip disponibles")
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new_interface.save()
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messages.success(request, "L'interface a été ajoutée")
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return redirect("/machines/")
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return form({'machineform': machine_form, 'interfaceform': interface_form}, 'machines/machine.html', request)
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@login_required
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@permission_required('infra')
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def add_machinetype(request):
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machinetype = MachineTypeForm(request.POST or None)
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if machinetype.is_valid():
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machinetype.save()
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messages.success(request, "Ce type de machine a été ajouté")
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return redirect("/machines/index_machinetype")
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return form({'machineform': machinetype, 'interfaceform': None}, 'machines/machine.html', request)
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@login_required
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@permission_required('infra')
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def edit_machinetype(request, machinetypeid):
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try:
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machinetype_instance = MachineType.objects.get(pk=machinetypeid)
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except MachineType.DoesNotExist:
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messages.error(request, u"Entrée inexistante" )
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return redirect("/machines/index_machinetype/")
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machinetype = MachineTypeForm(request.POST or None, instance=machinetype_instance)
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if machinetype.is_valid():
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machinetype.save()
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messages.success(request, "Type de machine modifié")
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return redirect("/machines/index_machinetype/")
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return form({'machineform': machinetype}, 'machines/machine.html', request)
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@login_required
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@permission_required('infra')
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def del_machinetype(request):
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machinetype = DelMachineTypeForm(request.POST or None)
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if machinetype.is_valid():
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machinetype_dels = machinetype.cleaned_data['machinetypes']
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for machinetype_del in machinetype_dels:
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try:
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machinetype_del.delete()
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messages.success(request, "Le type de machine a été supprimé")
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except ProtectedError:
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messages.error(request, "Le type de machine %s est affectée à au moins une machine, vous ne pouvez pas le supprimer" % machinetype_del)
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return redirect("/machines/index_machinetype")
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return form({'machineform': machinetype, 'interfaceform': None}, 'machines/machine.html', request)
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@login_required
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@permission_required('infra')
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def add_extension(request):
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extension = ExtensionForm(request.POST or None)
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if extension.is_valid():
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extension.save()
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messages.success(request, "Cette extension a été ajoutée")
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return redirect("/machines/index_extension")
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return form({'machineform': extension, 'interfaceform': None}, 'machines/machine.html', request)
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@login_required
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@permission_required('infra')
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def edit_extension(request, extensionid):
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try:
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extension_instance = Extension.objects.get(pk=extensionid)
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except Extension.DoesNotExist:
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messages.error(request, u"Entrée inexistante" )
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return redirect("/machines/index_extension/")
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extension = ExtensionForm(request.POST or None, instance=extension_instance)
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if extension.is_valid():
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extension.save()
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messages.success(request, "Extension modifiée")
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return redirect("/machines/index_extension/")
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return form({'machineform': extension}, 'machines/machine.html', request)
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@login_required
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@permission_required('infra')
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def del_extension(request):
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extension = DelExtensionForm(request.POST or None)
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if extension.is_valid():
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extension_dels = extension.cleaned_data['extensions']
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for extension_del in extension_dels:
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try:
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extension_del.delete()
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messages.success(request, "L'extension a été supprimée")
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except ProtectedError:
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messages.error(request, "L'extension %s est affectée à au moins un type de machine, vous ne pouvez pas la supprimer" % extension_del)
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return redirect("/machines/index_extension")
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return form({'machineform': extension, 'interfaceform': None}, 'machines/machine.html', request)
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@login_required
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@permission_required('cableur')
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def index(request):
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interfaces_list = Interface.objects.order_by('pk')
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return render(request, 'machines/index.html', {'interfaces_list': interfaces_list})
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@login_required
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@permission_required('cableur')
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def index_machinetype(request):
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machinetype_list = MachineType.objects.order_by('type')
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return render(request, 'machines/index_machinetype.html', {'machinetype_list':machinetype_list})
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@login_required
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@permission_required('cableur')
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def index_extension(request):
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extension_list = Extension.objects.order_by('name')
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return render(request, 'machines/index_extension.html', {'extension_list':extension_list})
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