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# -*- coding: utf-8 -*-
#
import uuid
from django.core.cache import cache
from django.urls import reverse
from django.shortcuts import get_object_or_404
from django.utils.translation import ugettext as _
from rest_framework.permissions import AllowAny
from rest_framework.response import Response
from rest_framework.views import APIView
from common.utils import get_logger, get_request_ip
from common.permissions import IsOrgAdminOrAppUser
from orgs.mixins import RootOrgViewMixin
from ..serializers import UserSerializer
from ..tasks import write_login_log_async
from ..models import User, LoginLog
from ..utils import check_user_valid, check_otp_code, \
increase_login_failed_count, is_block_login, \
clean_failed_count
from ..hands import Asset, SystemUser
logger = get_logger(__name__)
class UserAuthApi(RootOrgViewMixin, APIView):
permission_classes = (AllowAny,)
serializer_class = UserSerializer
def post(self, request):
# limit login
username = request.data.get('username')
ip = request.data.get('remote_addr', None)
ip = ip or get_request_ip(request)
if is_block_login(username, ip):
msg = _("Log in frequently and try again later")
logger.warn(msg + ': ' + username + ':' + ip)
return Response({'msg': msg}, status=401)
user, msg = self.check_user_valid(request)
if not user:
username = request.data.get('username', '')
exist = User.objects.filter(username=username).first()
reason = LoginLog.REASON_PASSWORD if exist else LoginLog.REASON_NOT_EXIST
data = {
'username': username,
'mfa': LoginLog.MFA_UNKNOWN,
'reason': reason,
'status': False
}
self.write_login_log(request, data)
increase_login_failed_count(username, ip)
return Response({'msg': msg}, status=401)
if user.password_has_expired:
data = {
'username': user.username,
'mfa': int(user.otp_enabled),
'reason': LoginLog.REASON_PASSWORD_EXPIRED,
'status': False
}
self.write_login_log(request, data)
msg = _("The user {} password has expired, please update.".format(
user.username))
logger.info(msg)
return Response({'msg': msg}, status=401)
if not user.otp_enabled:
data = {
'username': user.username,
'mfa': int(user.otp_enabled),
'reason': LoginLog.REASON_NOTHING,
'status': True
}
self.write_login_log(request, data)
# 登陆成功，清除原来的缓存计数
clean_failed_count(username, ip)
token = user.create_bearer_token(request)
return Response(
{'token': token, 'user': self.serializer_class(user).data}
)
seed = uuid.uuid4().hex
cache.set(seed, user, 300)
return Response(
{
'code': 101,
'msg': _('Please carry seed value and '
'conduct MFA secondary certification'),
'otp_url': reverse('api-users:user-otp-auth'),
'seed': seed,
'user': self.serializer_class(user).data
}, status=300
)
@staticmethod
def check_user_valid(request):
username = request.data.get('username', '')
password = request.data.get('password', '')
public_key = request.data.get('public_key', '')
user, msg = check_user_valid(
username=username, password=password,
public_key=public_key
)
return user, msg
@staticmethod
def write_login_log(request, data):
login_ip = request.data.get('remote_addr', None)
login_type = request.data.get('login_type', '')
user_agent = request.data.get('HTTP_USER_AGENT', '')
if not login_ip:
login_ip = get_request_ip(request)
tmp_data = {
'ip': login_ip,
'type': login_type,
'user_agent': user_agent,
}
data.update(tmp_data)
write_login_log_async.delay(**data)
class UserConnectionTokenApi(RootOrgViewMixin, APIView):
permission_classes = (IsOrgAdminOrAppUser,)
def post(self, request):
user_id = request.data.get('user', '')
asset_id = request.data.get('asset', '')
system_user_id = request.data.get('system_user', '')
token = str(uuid.uuid4())
user = get_object_or_404(User, id=user_id)
asset = get_object_or_404(Asset, id=asset_id)
system_user = get_object_or_404(SystemUser, id=system_user_id)
value = {
'user': user_id,
'username': user.username,
'asset': asset_id,
'hostname': asset.hostname,
'system_user': system_user_id,
'system_user_name': system_user.name
}
cache.set(token, value, timeout=20)
return Response({"token": token}, status=201)
def get(self, request):
token = request.query_params.get('token')
user_only = request.query_params.get('user-only', None)
value = cache.get(token, None)
if not value:
return Response('', status=404)
if not user_only:
return Response(value)
else:
return Response({'user': value['user']})
def get_permissions(self):
if self.request.query_params.get('user-only', None):
self.permission_classes = (AllowAny,)
return super().get_permissions()
class UserToken(APIView):
permission_classes = (AllowAny,)
def post(self, request):
if not request.user.is_authenticated:
username = request.data.get('username', '')
email = request.data.get('email', '')
password = request.data.get('password', '')
public_key = request.data.get('public_key', '')
user, msg = check_user_valid(
username=username, email=email,
password=password, public_key=public_key)
else:
user = request.user
msg = None
if user:
token = user.create_bearer_token(request)
return Response({'Token': token, 'Keyword': 'Bearer'}, status=200)
else:
return Response({'error': msg}, status=406)
class UserOtpAuthApi(RootOrgViewMixin, APIView):
permission_classes = (AllowAny,)
serializer_class = UserSerializer
def post(self, request):
otp_code = request.data.get('otp_code', '')
seed = request.data.get('seed', '')
user = cache.get(seed, None)
if not user:
return Response(
{'msg': _('Please verify the user name and password first')},
status=401
)
if not check_otp_code(user.otp_secret_key, otp_code):
data = {
'username': user.username,
'mfa': int(user.otp_enabled),
'reason': LoginLog.REASON_MFA,
'status': False
}
self.write_login_log(request, data)
return Response({'msg': _('MFA certification failed')}, status=401)
data = {
'username': user.username,
'mfa': int(user.otp_enabled),
'reason': LoginLog.REASON_NOTHING,
'status': True
}
self.write_login_log(request, data)
token = user.create_bearer_token(request)
return Response(
{
'token': token,
'user': self.serializer_class(user).data
}
)
@staticmethod
def write_login_log(request, data):
login_ip = request.data.get('remote_addr', None)
login_type = request.data.get('login_type', '')
user_agent = request.data.get('HTTP_USER_AGENT', '')
if not login_ip:
login_ip = get_request_ip(request)
tmp_data = {
'ip': login_ip,
'type': login_type,
'user_agent': user_agent
}
data.update(tmp_data)
write_login_log_async.delay(**data)