forked from beba/foerderbarometer
88 lines
3.3 KiB
Python
88 lines
3.3 KiB
Python
from authlib.integrations.base_client import OAuthError
|
|
from authlib.integrations.django_client import OAuth
|
|
from authlib.oauth2.rfc6749 import OAuth2Token
|
|
from django.shortcuts import redirect
|
|
from django.utils.deprecation import MiddlewareMixin
|
|
from foerderbarometer import settings
|
|
from input import views
|
|
from input import models
|
|
|
|
class OAuthMiddleware(MiddlewareMixin):
|
|
|
|
def __init__(self, get_response=None):
|
|
super().__init__(get_response)
|
|
self.oauth = OAuth()
|
|
|
|
def process_request(self, request):
|
|
# added this if clause to get the landing page before oauth
|
|
if request.path == '/':
|
|
return self.get_response(request)
|
|
if settings.OAUTH_URL_WHITELISTS is not None:
|
|
for w in settings.OAUTH_URL_WHITELISTS:
|
|
if request.path.startswith(w):
|
|
return self.get_response(request)
|
|
|
|
def update_token(token, refresh_token, access_token):
|
|
request.session['token'] = token
|
|
print('oioi')
|
|
print('oi token', token)
|
|
return None
|
|
|
|
sso_client = self.oauth.register(
|
|
settings.OAUTH_CLIENT_NAME, overwrite=True, **settings.OAUTH_CLIENT, update_token=update_token
|
|
)
|
|
|
|
if request.path.startswith('/oauth/callback'):
|
|
print('oi')
|
|
self.clear_session(request)
|
|
request.session['token'] = sso_client.authorize_access_token(request)
|
|
# print('blub', request.session['token'])
|
|
models.Extern.username = self.get_current_user(sso_client, request)['username']
|
|
if self.get_current_user(sso_client, request) is not None:
|
|
redirect_uri = request.session.pop('redirect_uri', None)
|
|
if redirect_uri is not None:
|
|
return redirect(redirect_uri)
|
|
return redirect(views.ExternView)
|
|
|
|
if request.session.get('token', None) is not None:
|
|
current_user = self.get_current_user(sso_client, request)
|
|
if current_user is not None:
|
|
return self.get_response(request)
|
|
|
|
# remember redirect URI for redirecting to the original URL.
|
|
request.session['redirect_uri'] = request.path
|
|
return sso_client.authorize_redirect(request, settings.OAUTH_CLIENT['redirect_uri'])
|
|
|
|
# fetch current login user info
|
|
# 1. check if it's in cache
|
|
# 2. fetch from remote API when it's not in cache
|
|
@staticmethod
|
|
def get_current_user(sso_client, request):
|
|
token = request.session.get('token', None)
|
|
if token is None or 'access_token' not in token:
|
|
return None
|
|
|
|
if not OAuth2Token.from_dict(token).is_expired() and 'user' in request.session:
|
|
return request.session['user']
|
|
|
|
try:
|
|
res = sso_client.get(settings.OAUTH_CLIENT['userinfo_endpoint'], token=OAuth2Token(token))
|
|
print('json oi oi' , res.json())
|
|
if res.ok:
|
|
request.session['user'] = res.json()
|
|
return res.json()
|
|
except OAuthError as e:
|
|
print(e)
|
|
return None
|
|
|
|
@staticmethod
|
|
def clear_session(request):
|
|
try:
|
|
del request.session['user']
|
|
del request.session['token']
|
|
except KeyError:
|
|
pass
|
|
|
|
def __del__(self):
|
|
print('destroyed')
|