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jumpserver/apps/users/authentication.py

89 lines
3.0 KiB

# -*- coding: utf-8 -*-
#
import base64
from django.core.cache import cache
from django.conf import settings
from django.utils.translation import ugettext as _
from rest_framework import authentication, exceptions, permissions
from rest_framework.compat import is_authenticated
from common.utils import signer, get_object_or_none
from .hands import Terminal
from .utils import get_or_refresh_token
from .models import User
class TerminalAuthentication(authentication.BaseAuthentication):
keyword = 'Sign'
model = Terminal
def authenticate(self, request):
auth = authentication.get_authorization_header(request).split()
if not auth or auth[0].lower() != self.keyword.lower().encode():
return None
if len(auth) == 1:
msg = _('Invalid sign header. No credentials provided.')
raise exceptions.AuthenticationFailed(msg)
elif len(auth) > 2:
msg = _('Invalid sign header. Sign string should not contain spaces.')
raise exceptions.AuthenticationFailed(msg)
try:
sign = auth[1].decode()
except UnicodeError:
msg = _('Invalid token header. Sign string should not contain invalid characters.')
raise exceptions.AuthenticationFailed(msg)
return self.authenticate_credentials(sign)
def authenticate_credentials(self, sign):
name = signer.unsign(sign)
if name:
terminal = get_object_or_none(self.model, name=name)
else:
raise exceptions.AuthenticationFailed(_('Invalid sign.'))
if not terminal or not terminal.is_active:
raise exceptions.AuthenticationFailed(_('Terminal inactive or deleted.'))
terminal.is_authenticated = True
return terminal, None
class AccessTokenAuthentication(authentication.BaseAuthentication):
keyword = 'Bearer'
model = User
expiration = settings.CONFIG.TOKEN_EXPIRATION or 3600
def authenticate(self, request):
auth = authentication.get_authorization_header(request).split()
if not auth or auth[0].lower() != self.keyword.lower().encode():
return None
if len(auth) == 1:
msg = _('Invalid token header. No credentials provided.')
raise exceptions.AuthenticationFailed(msg)
elif len(auth) > 2:
msg = _('Invalid token header. Sign string should not contain spaces.')
raise exceptions.AuthenticationFailed(msg)
try:
token = auth[1].decode()
except UnicodeError:
msg = _('Invalid token header. Sign string should not contain invalid characters.')
raise exceptions.AuthenticationFailed(msg)
return self.authenticate_credentials(token, request)
def authenticate_credentials(self, token, request):
user_id = cache.get(token)
print('Auth id: %s' % user_id)
user = get_object_or_none(User, id=user_id)
if not user:
return None
get_or_refresh_token(request, user)
return user, None