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mirror of https://github.com/netbox-community/netbox.git synced 2024-05-10 07:54:54 +00:00
2021-08-24 15:24:03 -04:00

281 lines
8.6 KiB
Python

import logging
from django.conf import settings
from django.contrib import messages
from django.contrib.auth import login as auth_login, logout as auth_logout, update_session_auth_hash
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.auth.models import update_last_login
from django.contrib.auth.signals import user_logged_in
from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404, redirect, render
from django.urls import reverse
from django.utils.decorators import method_decorator
from django.utils.http import is_safe_url
from django.views.decorators.debug import sensitive_post_parameters
from django.views.generic import View
from utilities.forms import ConfirmationForm
from .forms import LoginForm, PasswordChangeForm, TokenForm
from .models import Token
#
# Login/logout
#
class LoginView(View):
"""
Perform user authentication via the web UI.
"""
template_name = 'login.html'
@method_decorator(sensitive_post_parameters('password'))
def dispatch(self, *args, **kwargs):
return super().dispatch(*args, **kwargs)
def get(self, request):
form = LoginForm(request)
if request.user.is_authenticated:
logger = logging.getLogger('netbox.auth.login')
return self.redirect_to_next(request, logger)
return render(request, self.template_name, {
'form': form,
})
def post(self, request):
logger = logging.getLogger('netbox.auth.login')
form = LoginForm(request, data=request.POST)
if form.is_valid():
logger.debug("Login form validation was successful")
# If maintenance mode is enabled, assume the database is read-only, and disable updating the user's
# last_login time upon authentication.
if settings.MAINTENANCE_MODE:
logger.warning("Maintenance mode enabled: disabling update of most recent login time")
user_logged_in.disconnect(update_last_login, dispatch_uid='update_last_login')
# Authenticate user
auth_login(request, form.get_user())
logger.info(f"User {request.user} successfully authenticated")
messages.info(request, "Logged in as {}.".format(request.user))
return self.redirect_to_next(request, logger)
else:
logger.debug("Login form validation failed")
return render(request, self.template_name, {
'form': form,
})
def redirect_to_next(self, request, logger):
if request.method == "POST":
redirect_to = request.POST.get('next', reverse('home'))
else:
redirect_to = request.GET.get('next', reverse('home'))
if redirect_to and not is_safe_url(url=redirect_to, allowed_hosts=request.get_host()):
logger.warning(f"Ignoring unsafe 'next' URL passed to login form: {redirect_to}")
redirect_to = reverse('home')
logger.debug(f"Redirecting user to {redirect_to}")
return HttpResponseRedirect(redirect_to)
class LogoutView(View):
"""
Deauthenticate a web user.
"""
def get(self, request):
logger = logging.getLogger('netbox.auth.logout')
# Log out the user
username = request.user
auth_logout(request)
logger.info(f"User {username} has logged out")
messages.info(request, "You have logged out.")
# Delete session key cookie (if set) upon logout
response = HttpResponseRedirect(reverse('home'))
response.delete_cookie('session_key')
return response
#
# User profiles
#
class ProfileView(LoginRequiredMixin, View):
template_name = 'users/profile.html'
def get(self, request):
return render(request, self.template_name, {
'active_tab': 'profile',
})
class UserConfigView(LoginRequiredMixin, View):
template_name = 'users/preferences.html'
def get(self, request):
return render(request, self.template_name, {
'preferences': request.user.config.all(),
'active_tab': 'preferences',
})
def post(self, request):
userconfig = request.user.config
data = userconfig.all()
# Delete selected preferences
if "_delete" in request.POST:
for key in request.POST.getlist('pk'):
if key in data:
userconfig.clear(key)
# Update specific values
elif "_update" in request.POST:
for key in request.POST:
if not key.startswith('_') and not key.startswith('csrf'):
for value in request.POST.getlist(key):
userconfig.set(key, value)
userconfig.save()
messages.success(request, "Your preferences have been updated.")
return redirect('user:preferences')
class ChangePasswordView(LoginRequiredMixin, View):
template_name = 'users/password.html'
def get(self, request):
# LDAP users cannot change their password here
if getattr(request.user, 'ldap_username', None):
messages.warning(request, "LDAP-authenticated user credentials cannot be changed within NetBox.")
return redirect('user:profile')
form = PasswordChangeForm(user=request.user)
return render(request, self.template_name, {
'form': form,
'active_tab': 'password',
})
def post(self, request):
form = PasswordChangeForm(user=request.user, data=request.POST)
if form.is_valid():
form.save()
update_session_auth_hash(request, form.user)
messages.success(request, "Your password has been changed successfully.")
return redirect('user:profile')
return render(request, self.template_name, {
'form': form,
'active_tab': 'change_password',
})
#
# API tokens
#
class TokenListView(LoginRequiredMixin, View):
def get(self, request):
tokens = Token.objects.filter(user=request.user)
return render(request, 'users/api_tokens.html', {
'tokens': tokens,
'active_tab': 'api-tokens',
})
class TokenEditView(LoginRequiredMixin, View):
def get(self, request, pk=None):
if pk:
token = get_object_or_404(Token.objects.filter(user=request.user), pk=pk)
else:
token = Token(user=request.user)
form = TokenForm(instance=token)
return render(request, 'generic/object_edit.html', {
'obj': token,
'obj_type': token._meta.verbose_name,
'form': form,
'return_url': reverse('user:token_list'),
})
def post(self, request, pk=None):
if pk:
token = get_object_or_404(Token.objects.filter(user=request.user), pk=pk)
form = TokenForm(request.POST, instance=token)
else:
token = Token(user=request.user)
form = TokenForm(request.POST)
if form.is_valid():
token = form.save(commit=False)
token.user = request.user
token.save()
msg = f"Modified token {token}" if pk else f"Created token {token}"
messages.success(request, msg)
if '_addanother' in request.POST:
return redirect(request.path)
else:
return redirect('user:token_list')
return render(request, 'generic/object_edit.html', {
'obj': token,
'obj_type': token._meta.verbose_name,
'form': form,
'return_url': reverse('user:token_list'),
})
class TokenDeleteView(LoginRequiredMixin, View):
def get(self, request, pk):
token = get_object_or_404(Token.objects.filter(user=request.user), pk=pk)
initial_data = {
'return_url': reverse('user:token_list'),
}
form = ConfirmationForm(initial=initial_data)
return render(request, 'generic/object_delete.html', {
'obj': token,
'obj_type': token._meta.verbose_name,
'form': form,
'return_url': reverse('user:token_list'),
})
def post(self, request, pk):
token = get_object_or_404(Token.objects.filter(user=request.user), pk=pk)
form = ConfirmationForm(request.POST)
if form.is_valid():
token.delete()
messages.success(request, "Token deleted")
return redirect('user:token_list')
return render(request, 'generic/object_delete.html', {
'obj': token,
'obj_type': token._meta.verbose_name,
'form': form,
'return_url': reverse('user:token_list'),
})