.env.sample

@@ -24,6 +24,7 @@ DEFAULT_FROM_EMAIL=service@ksp.de
 
 # Proxy
 PROXY=CHANGE_ME
+MAP_PROXY_HOST_WHITELIST=CHANGE_ME_1,CHANGE_ME_2
 GEOPORTAL_RLP_USER=CHANGE_ME
 GEOPORTAL_RLP_PASSWORD=CHANGE_ME
 
@@ -37,6 +38,7 @@ SSO_SERVER_BASE_URL=https://login.naturschutz.rlp.de
 OAUTH_CODE_VERIFIER=CHANGE_ME
 OAUTH_CLIENT_ID=CHANGE_ME
 OAUTH_CLIENT_SECRET=CHANGE_ME
+PROPAGATION_SECRET=CHANGE_ME
 
 # RabbitMQ
 ## For connections to EGON

api/models/token.py

@@ -155,3 +155,25 @@ class OAuthToken(UuidModel):
 
         return user
 
+    def revoke(self) -> int:
+        """ Revokes the OAuth2 token of the user
+
+        (/o/revoke_token/ indeed removes the corresponding access token on provider side and invalidates the
+        submitted refresh token in one step)
+
+        Returns:
+            revocation_status_code (int): HTTP status code for revocation of refresh_token
+        """
+        revoke_url = f"{SSO_SERVER_BASE}o/revoke_token/"
+        token = self.refresh_token
+        revocation_status_code = requests.post(
+                revoke_url,
+                data={
+                    'token': token,
+                    'token_type_hint': "refresh_token",
+                },
+                auth=(OAUTH_CLIENT_ID, OAUTH_CLIENT_SECRET),
+            ).status_code
+
+        return revocation_status_code
+

konova/sub_settings/lanis_settings.py

@@ -5,6 +5,7 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 31.01.22
 
 """
+from konova.sub_settings.django_settings import env
 
 # MAPS
 DEFAULT_LAT = 50.00
@@ -28,3 +29,6 @@ LANIS_ZOOM_LUT = {
     1000: 30,
     500: 31,
 }
+
+MAP_PROXY_HOST_WHITELIST = env.list("MAP_PROXY_HOST_WHITELIST")
+i = 0

konova/sub_settings/sso_settings.py

@@ -16,3 +16,5 @@ OAUTH_CODE_VERIFIER = env("OAUTH_CODE_VERIFIER")
 
 OAUTH_CLIENT_ID = env("OAUTH_CLIENT_ID")
 OAUTH_CLIENT_SECRET = env("OAUTH_CLIENT_SECRET")
+
+PROPAGATION_SECRET = env("PROPAGATION_SECRET")

konova/views/logout.py

@@ -24,5 +24,10 @@ class LogoutView(View):
         Returns:
             A redirect
         """
+        user = request.user
+        oauth_token = user.oauth_token
+        if oauth_token:
+            oauth_token.revoke()
+
         logout(request)
         return redirect(SSO_SERVER_BASE)

konova/views/map_proxy.py

@@ -9,6 +9,7 @@ import json
 from json import JSONDecodeError
 
 import requests
+import urllib3.util
 from django.contrib.auth.decorators import login_required
 from django.http import JsonResponse, HttpRequest
 from django.utils.decorators import method_decorator
@@ -18,6 +19,7 @@ from django.utils.translation import gettext_lazy as _
 
 from requests.auth import HTTPDigestAuth
 
+from konova.sub_settings.lanis_settings import MAP_PROXY_HOST_WHITELIST
 from konova.sub_settings.proxy_settings import PROXIES, GEOPORTAL_RLP_USER, GEOPORTAL_RLP_PASSWORD
 
 
@@ -32,6 +34,13 @@ class BaseClientProxyView(View):
     def dispatch(self, request, *args, **kwargs):
         return super().dispatch(request, *args, **kwargs)
 
+    def _check_with_whitelist(self, url):
+        parsed_url = urllib3.util.parse_url(url)
+        parsed_url_host = parsed_url.host
+        whitelist = set(MAP_PROXY_HOST_WHITELIST)
+        is_allowed = parsed_url_host in whitelist
+        return is_allowed
+
     def perform_url_call(self, url, headers={}, auth=None):
         """ Generic proxied call
 
@@ -59,6 +68,11 @@ class ClientProxyParcelSearch(BaseClientProxyView):
 
     def get(self, request: HttpRequest):
         url = request.META.get("QUERY_STRING")
+
+        is_url_allowed = self._check_with_whitelist(url)
+        if not is_url_allowed:
+            raise PermissionError(f"Proxied url '{url}' is not allowed!")
+
         content, response_code = self.perform_url_call(url)
         try:
             body = json.loads(content)

konova/views/oauth.py

@@ -115,10 +115,10 @@ class OAuthCallbackView(View):
         if status_code_invalid:
             raise RuntimeError(f"OAuth access token could not be fetched: {access_code_response.text}")
 
-        oauth_access_token = OAuthToken.from_access_token_response(access_code_response_body, received_on)
+        oauth_token = OAuthToken.from_access_token_response(access_code_response_body, received_on)
-        oauth_access_token.save()
+        oauth_token.save()
-        user = oauth_access_token.update_and_get_user()
+        user = oauth_token.update_and_get_user()
-        user.oauth_replace_token(oauth_access_token)
+        user.oauth_replace_token(oauth_token)
 
         login(request, user)
         return redirect("home")

requirements.txt

@@ -1,65 +1,65 @@
-amqp==5.2.0
+amqp==5.3.1
 asgiref==3.8.1
-async-timeout==4.0.3
+async-timeout==5.0.1
 beautifulsoup4==4.13.0b2
-billiard==4.2.0
+billiard==4.2.1
-cached-property==1.5.2
+cached-property==2.0.1
 celery==5.4.0
-certifi==2024.7.4
+certifi==2024.12.14
-cffi==1.17.0
+cffi==1.17.1
 chardet==5.2.0
-charset-normalizer==3.3.2
+charset-normalizer==3.4.0
-click==8.1.7
+click==8.1.8
 click-didyoumean==0.3.1
 click-plugins==1.1.1
 click-repl==0.3.0
-coverage==7.5.4
+coverage==7.6.9
-cryptography==43.0.0
+cryptography==44.0.0
-Deprecated==1.2.14
+Deprecated==1.2.15
-Django==5.0.8
+Django==5.1.4
 django-autocomplete-light==3.11.0
-django-bootstrap-modal-forms==3.0.4
+django-bootstrap-modal-forms==3.0.5
-django-bootstrap4==24.3
+django-bootstrap4==24.4
 django-environ==0.11.2
 django-filter==24.3
 django-fontawesome-5==1.0.18
-django-oauth-toolkit==2.4.0
+django-oauth-toolkit==3.0.1
 django-simple-sso==1.2.0
-django-tables2==2.7.0
+django-tables2==2.7.1
-et-xmlfile==1.1.0
+et_xmlfile==2.0.0
-gunicorn==22.0.0
+gunicorn==23.0.0
-idna==3.7
+idna==3.10
-importlib_metadata==8.2.0
+importlib_metadata==8.5.0
 itsdangerous==0.24
 jwcrypto==1.5.6
 kombu==5.4.0rc1
 oauthlib==3.2.2
 openpyxl==3.2.0b1
-packaging==24.1
+packaging==24.2
 pika==1.3.2
-pillow==10.4.0
+pillow==11.0.0
-prompt_toolkit==3.0.47
+prompt_toolkit==3.0.48
-psycopg==3.2.1
+psycopg==3.2.3
-psycopg-binary==3.2.1
+psycopg-binary==3.2.3
 pycparser==2.22
-pyparsing==3.1.2
+pyparsing==3.2.0
 pypng==0.20220715.0
-pyproj==3.6.1
+pyproj==3.7.0
 python-dateutil==2.9.0.post0
-pytz==2024.1
+pytz==2024.2
 PyYAML==6.0.2
 qrcode==7.3.1
 redis==5.1.0b6
-requests<2.32.0  # kombu 5.4.0rc1 depends on requests<2.32.0
+requests==2.32.3
 six==1.16.0
 soupsieve==2.5
 sqlparse==0.5.1
 typing_extensions==4.12.2
-tzdata==2024.1
+tzdata==2024.2
-urllib3==2.2.2
+urllib3==2.3.0
 vine==5.1.0
 wcwidth==0.2.13
 webservices==0.7
 wrapt==1.16.0
-xmltodict==0.13.0
+xmltodict==0.14.2
-zipp==3.19.2
+zipp==3.21.0

user/views/propagate.py

@@ -16,7 +16,7 @@ from django.utils.decorators import method_decorator
 from django.views import View
 from django.views.decorators.csrf import csrf_exempt
 
-from konova.sub_settings.sso_settings import OAUTH_CLIENT_ID
+from konova.sub_settings.sso_settings import PROPAGATION_SECRET
 from user.models import User
 
 
@@ -36,7 +36,7 @@ class PropagateUserView(View):
         # Decrypt
         encrypted_body = request.body
         _hash = hashlib.md5()
-        _hash.update(OAUTH_CLIENT_ID.encode("utf-8"))
+        _hash.update(PROPAGATION_SECRET.encode("utf-8"))
         key = base64.urlsafe_b64encode(_hash.hexdigest().encode("utf-8"))
         fernet = Fernet(key)
         body = fernet.decrypt(encrypted_body).decode("utf-8")