updates

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

@@ -0,0 +1,59 @@
+from werkzeug.local import LocalProxy
+
+from ..base_client import BaseOAuth
+from ..base_client import OAuthError
+from .apps import FlaskOAuth1App
+from .apps import FlaskOAuth2App
+from .integration import FlaskIntegration
+from .integration import token_update
+
+
+class OAuth(BaseOAuth):
+    oauth1_client_cls = FlaskOAuth1App
+    oauth2_client_cls = FlaskOAuth2App
+    framework_integration_cls = FlaskIntegration
+
+    def __init__(self, app=None, cache=None, fetch_token=None, update_token=None):
+        super().__init__(
+            cache=cache, fetch_token=fetch_token, update_token=update_token
+        )
+        self.app = app
+        if app:
+            self.init_app(app)
+
+    def init_app(self, app, cache=None, fetch_token=None, update_token=None):
+        """Initialize lazy for Flask app. This is usually used for Flask application
+        factory pattern.
+        """
+        self.app = app
+        if cache is not None:
+            self.cache = cache
+
+        if fetch_token:
+            self.fetch_token = fetch_token
+        if update_token:
+            self.update_token = update_token
+
+        app.extensions = getattr(app, "extensions", {})
+        app.extensions["authlib.integrations.flask_client"] = self
+
+    def create_client(self, name):
+        if not self.app:
+            raise RuntimeError("OAuth is not init with Flask app.")
+        return super().create_client(name)
+
+    def register(self, name, overwrite=False, **kwargs):
+        self._registry[name] = (overwrite, kwargs)
+        if self.app:
+            return self.create_client(name)
+        return LocalProxy(lambda: self.create_client(name))
+
+
+__all__ = [
+    "OAuth",
+    "FlaskIntegration",
+    "FlaskOAuth1App",
+    "FlaskOAuth2App",
+    "token_update",
+    "OAuthError",
+]

Backend/venv/lib/python3.12/site-packages/authlib/integrations/flask_client/apps.py

@@ -0,0 +1,122 @@
+from flask import g
+from flask import redirect
+from flask import request
+from flask import session
+
+from ..base_client import BaseApp
+from ..base_client import OAuth1Mixin
+from ..base_client import OAuth2Mixin
+from ..base_client import OAuthError
+from ..base_client import OpenIDMixin
+from ..requests_client import OAuth1Session
+from ..requests_client import OAuth2Session
+
+
+class FlaskAppMixin:
+    @property
+    def token(self):
+        attr = f"_oauth_token_{self.name}"
+        token = g.get(attr)
+        if token:
+            return token
+        if self._fetch_token:
+            token = self._fetch_token()
+            self.token = token
+            return token
+
+    @token.setter
+    def token(self, token):
+        attr = f"_oauth_token_{self.name}"
+        setattr(g, attr, token)
+
+    def _get_requested_token(self, *args, **kwargs):
+        return self.token
+
+    def save_authorize_data(self, **kwargs):
+        state = kwargs.pop("state", None)
+        if state:
+            self.framework.set_state_data(session, state, kwargs)
+        else:
+            raise RuntimeError("Missing state value")
+
+    def authorize_redirect(self, redirect_uri=None, **kwargs):
+        """Create a HTTP Redirect for Authorization Endpoint.
+
+        :param redirect_uri: Callback or redirect URI for authorization.
+        :param kwargs: Extra parameters to include.
+        :return: A HTTP redirect response.
+        """
+        rv = self.create_authorization_url(redirect_uri, **kwargs)
+        self.save_authorize_data(redirect_uri=redirect_uri, **rv)
+        return redirect(rv["url"])
+
+
+class FlaskOAuth1App(FlaskAppMixin, OAuth1Mixin, BaseApp):
+    client_cls = OAuth1Session
+
+    def authorize_access_token(self, **kwargs):
+        """Fetch access token in one step.
+
+        :return: A token dict.
+        """
+        params = request.args.to_dict(flat=True)
+        state = params.get("oauth_token")
+        if not state:
+            raise OAuthError(description='Missing "oauth_token" parameter')
+
+        data = self.framework.get_state_data(session, state)
+        if not data:
+            raise OAuthError(description='Missing "request_token" in temporary data')
+
+        params["request_token"] = data["request_token"]
+        params.update(kwargs)
+        self.framework.clear_state_data(session, state)
+        token = self.fetch_access_token(**params)
+        self.token = token
+        return token
+
+
+class FlaskOAuth2App(FlaskAppMixin, OAuth2Mixin, OpenIDMixin, BaseApp):
+    client_cls = OAuth2Session
+
+    def authorize_access_token(self, **kwargs):
+        """Fetch access token in one step.
+
+        :return: A token dict.
+        """
+        if request.method == "GET":
+            error = request.args.get("error")
+            if error:
+                description = request.args.get("error_description")
+                raise OAuthError(error=error, description=description)
+
+            params = {
+                "code": request.args.get("code"),
+                "state": request.args.get("state"),
+            }
+        else:
+            params = {
+                "code": request.form.get("code"),
+                "state": request.form.get("state"),
+            }
+
+        state_data = self.framework.get_state_data(session, params.get("state"))
+        self.framework.clear_state_data(session, params.get("state"))
+        params = self._format_state_params(state_data, params)
+
+        claims_options = kwargs.pop("claims_options", None)
+        claims_cls = kwargs.pop("claims_cls", None)
+        leeway = kwargs.pop("leeway", 120)
+        token = self.fetch_access_token(**params, **kwargs)
+        self.token = token
+
+        if "id_token" in token and "nonce" in state_data:
+            userinfo = self.parse_id_token(
+                token,
+                nonce=state_data["nonce"],
+                claims_options=claims_options,
+                claims_cls=claims_cls,
+                leeway=leeway,
+            )
+            token["userinfo"] = userinfo
+        return token

Backend/venv/lib/python3.12/site-packages/authlib/integrations/flask_client/integration.py

@@ -0,0 +1,29 @@
+from flask import current_app
+from flask.signals import Namespace
+
+from ..base_client import FrameworkIntegration
+
+_signal = Namespace()
+#: signal when token is updated
+token_update = _signal.signal("token_update")
+
+
+class FlaskIntegration(FrameworkIntegration):
+    def update_token(self, token, refresh_token=None, access_token=None):
+        token_update.send(
+            current_app,
+            name=self.name,
+            token=token,
+            refresh_token=refresh_token,
+            access_token=access_token,
+        )
+
+    @staticmethod
+    def load_config(oauth, name, params):
+        rv = {}
+        for k in params:
+            conf_key = f"{name}_{k}".upper()
+            v = oauth.app.config.get(conf_key, None)
+            if v is not None:
+                rv[k] = v
+        return rv