add auth middleware

http-api/middlewares.py

@@ -6,24 +6,29 @@ from aws_lambda_powertools.event_handler.middlewares import (
     BaseMiddlewareHandler,
     NextMiddleware,
 )
+from pydantic import UUID4, BaseModel, Field
 
 
-class CorrelationIdMiddleware(BaseMiddlewareHandler):
-    def __init__(self, header: str):
-        super().__init__()
-        self.header = header
-
+class AuthorizerMiddleware(BaseMiddlewareHandler):
     def handler(
-        self, app: APIGatewayHttpResolver, next_middleware: NextMiddleware
+        self,
+        app: APIGatewayHttpResolver,
+        next_middleware: NextMiddleware,
     ) -> Response:
-        # BEFORE logic
-        request_id = app.current_event.request_context.request_id
-        correlation_id = app.current_event.headers.get(self.header, request_id)
+        # Gets the Lambda authorizer associated with the current API Gateway event.
+        # You can check the file `auth.py` for more details.
+        authorizer = app.current_event.request_context.authorizer.get_lambda
 
-        # Call next middleware or route handler ('/todos')
-        response = next_middleware(app)
+        if 'user' in authorizer:
+            user = authorizer['user']
+            app.append_context(user=AuthenticatedUser(**user))
 
-        # AFTER logic
-        response.headers[self.header] = correlation_id
+        return next_middleware(app)
 
-        return response
+
+class AuthenticatedUser(BaseModel):
+    id: str = Field(alias='custom:user_id')
+    name: str
+    email: str
+    email_verified: bool
+    sub: UUID4