updates

Backend/venv/lib/python3.12/site-packages/authlib/integrations/django_oauth2/__init__.py

@@ -0,0 +1,9 @@
+# flake8: noqa
+
+from .authorization_server import AuthorizationServer
+from .endpoints import RevocationEndpoint
+from .resource_protector import BearerTokenValidator
+from .resource_protector import ResourceProtector
+from .signals import client_authenticated
+from .signals import token_authenticated
+from .signals import token_revoked

Backend/venv/lib/python3.12/site-packages/authlib/integrations/django_oauth2/authorization_server.py

@@ -0,0 +1,122 @@
+from django.conf import settings
+from django.http import HttpResponse
+from django.utils.module_loading import import_string
+
+from authlib.common.encoding import json_dumps
+from authlib.common.security import generate_token as _generate_token
+from authlib.oauth2 import AuthorizationServer as _AuthorizationServer
+from authlib.oauth2.rfc6750 import BearerTokenGenerator
+
+from .requests import DjangoJsonRequest
+from .requests import DjangoOAuth2Request
+from .signals import client_authenticated
+from .signals import token_revoked
+
+
+class AuthorizationServer(_AuthorizationServer):
+    """Django implementation of :class:`authlib.oauth2.rfc6749.AuthorizationServer`.
+    Initialize it with client model and token model::
+
+        from authlib.integrations.django_oauth2 import AuthorizationServer
+        from your_project.models import OAuth2Client, OAuth2Token
+
+        server = AuthorizationServer(OAuth2Client, OAuth2Token)
+    """
+
+    def __init__(self, client_model, token_model):
+        super().__init__()
+        self.client_model = client_model
+        self.token_model = token_model
+        self.load_config(getattr(settings, "AUTHLIB_OAUTH2_PROVIDER", {}))
+
+    def load_config(self, config):
+        self.config = config
+        scopes_supported = self.config.get("scopes_supported")
+        self.scopes_supported = scopes_supported
+        # add default token generator
+        self.register_token_generator("default", self.create_bearer_token_generator())
+
+    def query_client(self, client_id):
+        """Default method for ``AuthorizationServer.query_client``. Developers MAY
+        rewrite this function to meet their own needs.
+        """
+        try:
+            return self.client_model.objects.get(client_id=client_id)
+        except self.client_model.DoesNotExist:
+            return None
+
+    def save_token(self, token, request):
+        """Default method for ``AuthorizationServer.save_token``. Developers MAY
+        rewrite this function to meet their own needs.
+        """
+        client = request.client
+        if request.user:
+            user_id = request.user.pk
+        else:
+            user_id = client.user_id
+        item = self.token_model(client_id=client.client_id, user_id=user_id, **token)
+        item.save()
+        return item
+
+    def create_oauth2_request(self, request):
+        return DjangoOAuth2Request(request)
+
+    def create_json_request(self, request):
+        return DjangoJsonRequest(request)
+
+    def handle_response(self, status_code, payload, headers):
+        if isinstance(payload, dict):
+            payload = json_dumps(payload)
+        resp = HttpResponse(payload, status=status_code)
+        for k, v in headers:
+            resp[k] = v
+        return resp
+
+    def send_signal(self, name, *args, **kwargs):
+        if name == "after_authenticate_client":
+            client_authenticated.send(*args, sender=self.__class__, **kwargs)
+        elif name == "after_revoke_token":
+            token_revoked.send(*args, sender=self.__class__, **kwargs)
+
+    def create_bearer_token_generator(self):
+        """Default method to create BearerToken generator."""
+        conf = self.config.get("access_token_generator", True)
+        access_token_generator = create_token_generator(conf, 42)
+
+        conf = self.config.get("refresh_token_generator", False)
+        refresh_token_generator = create_token_generator(conf, 48)
+
+        conf = self.config.get("token_expires_in")
+        expires_generator = create_token_expires_in_generator(conf)
+
+        return BearerTokenGenerator(
+            access_token_generator=access_token_generator,
+            refresh_token_generator=refresh_token_generator,
+            expires_generator=expires_generator,
+        )
+
+
+def create_token_generator(token_generator_conf, length=42):
+    if callable(token_generator_conf):
+        return token_generator_conf
+
+    if isinstance(token_generator_conf, str):
+        return import_string(token_generator_conf)
+    elif token_generator_conf is True:
+
+        def token_generator(*args, **kwargs):
+            return _generate_token(length)
+
+        return token_generator
+
+
+def create_token_expires_in_generator(expires_in_conf=None):
+    data = {}
+    data.update(BearerTokenGenerator.GRANT_TYPES_EXPIRES_IN)
+    if expires_in_conf:
+        data.update(expires_in_conf)
+
+    def expires_in(client, grant_type):
+        return data.get(grant_type, BearerTokenGenerator.DEFAULT_EXPIRES_IN)
+
+    return expires_in

Backend/venv/lib/python3.12/site-packages/authlib/integrations/django_oauth2/endpoints.py

@@ -0,0 +1,56 @@
+from authlib.oauth2.rfc7009 import RevocationEndpoint as _RevocationEndpoint
+
+
+class RevocationEndpoint(_RevocationEndpoint):
+    """The revocation endpoint for OAuth authorization servers allows clients
+    to notify the authorization server that a previously obtained refresh or
+    access token is no longer needed.
+
+    Register it into authorization server, and create token endpoint response
+    for token revocation::
+
+        from django.views.decorators.http import require_http_methods
+
+        # see register into authorization server instance
+        server.register_endpoint(RevocationEndpoint)
+
+
+        @require_http_methods(["POST"])
+        def revoke_token(request):
+            return server.create_endpoint_response(
+                RevocationEndpoint.ENDPOINT_NAME, request
+            )
+    """
+
+    def query_token(self, token, token_type_hint):
+        """Query requested token from database."""
+        token_model = self.server.token_model
+        if token_type_hint == "access_token":
+            rv = _query_access_token(token_model, token)
+        elif token_type_hint == "refresh_token":
+            rv = _query_refresh_token(token_model, token)
+        else:
+            rv = _query_access_token(token_model, token)
+            if not rv:
+                rv = _query_refresh_token(token_model, token)
+
+        return rv
+
+    def revoke_token(self, token, request):
+        """Mark the give token as revoked."""
+        token.revoked = True
+        token.save()
+
+
+def _query_access_token(token_model, token):
+    try:
+        return token_model.objects.get(access_token=token)
+    except token_model.DoesNotExist:
+        return None
+
+
+def _query_refresh_token(token_model, token):
+    try:
+        return token_model.objects.get(refresh_token=token)
+    except token_model.DoesNotExist:
+        return None

Backend/venv/lib/python3.12/site-packages/authlib/integrations/django_oauth2/requests.py

@@ -0,0 +1,65 @@
+from collections import defaultdict
+
+from django.http import HttpRequest
+from django.utils.functional import cached_property
+
+from authlib.common.encoding import json_loads
+from authlib.oauth2.rfc6749 import JsonPayload
+from authlib.oauth2.rfc6749 import JsonRequest
+from authlib.oauth2.rfc6749 import OAuth2Payload
+from authlib.oauth2.rfc6749 import OAuth2Request
+
+
+class DjangoOAuth2Payload(OAuth2Payload):
+    def __init__(self, request: HttpRequest):
+        self._request = request
+
+    @cached_property
+    def data(self):
+        data = {}
+        data.update(self._request.GET.dict())
+        data.update(self._request.POST.dict())
+        return data
+
+    @cached_property
+    def datalist(self):
+        values = defaultdict(list)
+        for k in self._request.GET:
+            values[k].extend(self._request.GET.getlist(k))
+        for k in self._request.POST:
+            values[k].extend(self._request.POST.getlist(k))
+        return values
+
+
+class DjangoOAuth2Request(OAuth2Request):
+    def __init__(self, request: HttpRequest):
+        super().__init__(
+            method=request.method,
+            uri=request.build_absolute_uri(),
+            headers=request.headers,
+        )
+        self.payload = DjangoOAuth2Payload(request)
+        self._request = request
+
+    @property
+    def args(self):
+        return self._request.GET
+
+    @property
+    def form(self):
+        return self._request.POST
+
+
+class DjangoJsonPayload(JsonPayload):
+    def __init__(self, request: HttpRequest):
+        self._request = request
+
+    @cached_property
+    def data(self):
+        return json_loads(self._request.body)
+
+
+class DjangoJsonRequest(JsonRequest):
+    def __init__(self, request: HttpRequest):
+        super().__init__(request.method, request.build_absolute_uri(), request.headers)
+        self.payload = DjangoJsonPayload(request)

Backend/venv/lib/python3.12/site-packages/authlib/integrations/django_oauth2/resource_protector.py

@@ -0,0 +1,75 @@
+import functools
+
+from django.http import JsonResponse
+
+from authlib.oauth2 import OAuth2Error
+from authlib.oauth2 import ResourceProtector as _ResourceProtector
+from authlib.oauth2.rfc6749 import MissingAuthorizationError
+from authlib.oauth2.rfc6750 import BearerTokenValidator as _BearerTokenValidator
+
+from .requests import DjangoJsonRequest
+from .signals import token_authenticated
+
+
+class ResourceProtector(_ResourceProtector):
+    def acquire_token(self, request, scopes=None, **kwargs):
+        """A method to acquire current valid token with the given scope.
+
+        :param request: Django HTTP request instance
+        :param scopes: a list of scope values
+        :return: token object
+        """
+        req = DjangoJsonRequest(request)
+        # backward compatibility
+        kwargs["scopes"] = scopes
+        for claim in kwargs:
+            if isinstance(kwargs[claim], str):
+                kwargs[claim] = [kwargs[claim]]
+        token = self.validate_request(request=req, **kwargs)
+        token_authenticated.send(sender=self.__class__, token=token)
+        return token
+
+    def __call__(self, scopes=None, optional=False, **kwargs):
+        claims = kwargs
+        # backward compatibility
+        claims["scopes"] = scopes
+
+        def wrapper(f):
+            @functools.wraps(f)
+            def decorated(request, *args, **kwargs):
+                try:
+                    token = self.acquire_token(request, **claims)
+                    request.oauth_token = token
+                except MissingAuthorizationError as error:
+                    if optional:
+                        request.oauth_token = None
+                        return f(request, *args, **kwargs)
+                    return return_error_response(error)
+                except OAuth2Error as error:
+                    return return_error_response(error)
+                return f(request, *args, **kwargs)
+
+            return decorated
+
+        return wrapper
+
+
+class BearerTokenValidator(_BearerTokenValidator):
+    def __init__(self, token_model, realm=None, **extra_attributes):
+        self.token_model = token_model
+        super().__init__(realm, **extra_attributes)
+
+    def authenticate_token(self, token_string):
+        try:
+            return self.token_model.objects.get(access_token=token_string)
+        except self.token_model.DoesNotExist:
+            return None
+
+
+def return_error_response(error):
+    body = dict(error.get_body())
+    resp = JsonResponse(body, status=error.status_code)
+    headers = error.get_headers()
+    for k, v in headers:
+        resp[k] = v
+    return resp

Backend/venv/lib/python3.12/site-packages/authlib/integrations/django_oauth2/signals.py

@@ -0,0 +1,10 @@
+from django.dispatch import Signal
+
+#: signal when client is authenticated
+client_authenticated = Signal()
+
+#: signal when token is revoked
+token_revoked = Signal()
+
+#: signal when token is authenticated
+token_authenticated = Signal()