jumpserver/apps/authentication/views/login.py

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2019-02-27 00:45:00 +00:00
# ~*~ coding: utf-8 ~*~
from __future__ import unicode_literals
import os
from django.core.cache import cache
from django.shortcuts import render
from django.utils import timezone
from django.contrib.auth import login as auth_login, logout as auth_logout
from django.contrib.auth.mixins import LoginRequiredMixin
from django.views.generic import ListView
from django.core.files.storage import default_storage
from django.http import HttpResponseRedirect, HttpResponse
from django.shortcuts import reverse, redirect
from django.utils.decorators import method_decorator
from django.utils.translation import ugettext as _
from django.views.decorators.cache import never_cache
from django.views.decorators.csrf import csrf_protect
from django.views.decorators.debug import sensitive_post_parameters
from django.views.generic.base import TemplateView
from django.views.generic.edit import FormView
from django.conf import settings
from formtools.wizard.views import SessionWizardView
from common.utils import get_object_or_none, get_request_ip
from authentication.signals import post_auth_success, post_auth_failed
from users.models import User, LoginLog
from users.utils import send_reset_password_mail, check_otp_code, \
redirect_user_first_login_or_index, get_user_or_tmp_user, \
set_tmp_user_to_cache, get_password_check_rules, check_password_rules, \
is_block_login, increase_login_failed_count, clean_failed_count
from users import forms
__all__ = [
'UserLoginView', 'UserLoginOtpView', 'UserLogoutView',
'UserForgotPasswordView', 'UserForgotPasswordSendmailSuccessView',
'UserResetPasswordView', 'UserResetPasswordSuccessView',
'UserFirstLoginView', 'LoginLogListView'
]
@method_decorator(sensitive_post_parameters(), name='dispatch')
@method_decorator(csrf_protect, name='dispatch')
@method_decorator(never_cache, name='dispatch')
class UserLoginView(FormView):
form_class = forms.UserLoginForm
form_class_captcha = forms.UserLoginCaptchaForm
redirect_field_name = 'next'
key_prefix_captcha = "_LOGIN_INVALID_{}"
def get_template_names(self):
template_name = 'users/login.html'
if not settings.XPACK_ENABLED:
return template_name
from xpack.plugins.license.models import License
if not License.has_valid_license():
return template_name
template_name = 'users/new_login.html'
return template_name
def get(self, request, *args, **kwargs):
if request.user.is_staff:
return redirect(redirect_user_first_login_or_index(
request, self.redirect_field_name)
)
request.session.set_test_cookie()
return super().get(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
# limit login authentication
ip = get_request_ip(request)
username = self.request.POST.get('username')
if is_block_login(username, ip):
return self.render_to_response(self.get_context_data(block_login=True))
return super().post(request, *args, **kwargs)
def form_valid(self, form):
if not self.request.session.test_cookie_worked():
return HttpResponse(_("Please enable cookies and try again."))
user = form.get_user()
# user password expired
if user.password_has_expired:
reason = LoginLog.REASON_PASSWORD_EXPIRED
self.send_auth_signal(success=False, username=user.username, reason=reason)
return self.render_to_response(self.get_context_data(password_expired=True))
set_tmp_user_to_cache(self.request, user)
username = form.cleaned_data.get('username')
ip = get_request_ip(self.request)
# 登陆成功,清除缓存计数
clean_failed_count(username, ip)
return redirect(self.get_success_url())
def form_invalid(self, form):
# write login failed log
username = form.cleaned_data.get('username')
exist = User.objects.filter(username=username).first()
reason = LoginLog.REASON_PASSWORD if exist else LoginLog.REASON_NOT_EXIST
# limit user login failed count
ip = get_request_ip(self.request)
increase_login_failed_count(username, ip)
# show captcha
cache.set(self.key_prefix_captcha.format(ip), 1, 3600)
self.send_auth_signal(success=False, username=username, reason=reason)
old_form = form
form = self.form_class_captcha(data=form.data)
form._errors = old_form.errors
return super().form_invalid(form)
def get_form_class(self):
ip = get_request_ip(self.request)
if cache.get(self.key_prefix_captcha.format(ip)):
return self.form_class_captcha
else:
return self.form_class
def get_success_url(self):
user = get_user_or_tmp_user(self.request)
if user.otp_enabled and user.otp_secret_key:
# 1,2,mfa_setting & T
return reverse('users:login-otp')
elif user.otp_enabled and not user.otp_secret_key:
# 1,2,mfa_setting & F
return reverse('users:user-otp-enable-authentication')
elif not user.otp_enabled:
# 0 & T,F
auth_login(self.request, user)
self.send_auth_signal(success=True, user=user)
return redirect_user_first_login_or_index(self.request, self.redirect_field_name)
def get_context_data(self, **kwargs):
context = {
'demo_mode': os.environ.get("DEMO_MODE"),
'AUTH_OPENID': settings.AUTH_OPENID,
}
kwargs.update(context)
return super().get_context_data(**kwargs)
def send_auth_signal(self, success=True, user=None, username='', reason=''):
if success:
post_auth_success.send(sender=self.__class__, user=user, request=self.request)
else:
post_auth_failed.send(
sender=self.__class__, username=username,
request=self.request, reason=reason
)
class UserLoginOtpView(FormView):
template_name = 'users/login_otp.html'
form_class = forms.UserCheckOtpCodeForm
redirect_field_name = 'next'
def form_valid(self, form):
user = get_user_or_tmp_user(self.request)
otp_code = form.cleaned_data.get('otp_code')
otp_secret_key = user.otp_secret_key
if check_otp_code(otp_secret_key, otp_code):
auth_login(self.request, user)
self.send_auth_signal(success=True, user=user)
return redirect(self.get_success_url())
else:
self.send_auth_signal(
success=False, username=user.username,
reason=LoginLog.REASON_MFA
)
form.add_error('otp_code', _('MFA code invalid, or ntp sync server time'))
return super().form_invalid(form)
def get_success_url(self):
return redirect_user_first_login_or_index(self.request, self.redirect_field_name)
def send_auth_signal(self, success=True, user=None, username='', reason=''):
if success:
post_auth_success.send(sender=self.__class__, user=user, request=self.request)
else:
post_auth_failed.send(
sender=self.__class__, username=username,
request=self.request, reason=reason
)
@method_decorator(never_cache, name='dispatch')
class UserLogoutView(TemplateView):
template_name = 'flash_message_standalone.html'
def get(self, request, *args, **kwargs):
auth_logout(request)
next_uri = request.COOKIES.get("next")
if next_uri:
return redirect(next_uri)
response = super().get(request, *args, **kwargs)
return response
def get_context_data(self, **kwargs):
context = {
'title': _('Logout success'),
'messages': _('Logout success, return login page'),
'interval': 1,
'redirect_url': reverse('users:login'),
'auto_redirect': True,
}
kwargs.update(context)
return super().get_context_data(**kwargs)