From a33144f2f9dc0840cf3ee3a898b40b309e7baed1 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <ste.pigozzi@gmail.com>
Date: Fri, 26 Jun 2020 02:02:30 +0200
Subject: [PATCH] Middleware?

---
 pyproject.toml                          |  2 +-
 royalnet/constellation/api/apistar.py   |  1 -
 royalnet/constellation/constellation.py | 13 ++++++++++++-
 royalnet/version.py                     |  2 +-
 sample_config.toml                      |  3 +++
 5 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/pyproject.toml b/pyproject.toml
index 4f683256..64fa9a7b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@
 
 [tool.poetry]
     name = "royalnet"
-    version = "5.9.2"
+    version = "5.9.3"
     description = "A multipurpose bot and web framework"
     authors = ["Stefano Pigozzi <ste.pigozzi@gmail.com>"]
     license = "AGPL-3.0+"
diff --git a/royalnet/constellation/api/apistar.py b/royalnet/constellation/api/apistar.py
index 4eb4154d..5f30db36 100644
--- a/royalnet/constellation/api/apistar.py
+++ b/royalnet/constellation/api/apistar.py
@@ -21,7 +21,6 @@ class ApiStar(PageStar, ABC):
 
     tags: List[str] = []
 
-
     async def page(self, request: Request) -> JSONResponse:
         if request.query_params:
             data = request.query_params
diff --git a/royalnet/constellation/constellation.py b/royalnet/constellation/constellation.py
index 0c28aa61..8a98291f 100644
--- a/royalnet/constellation/constellation.py
+++ b/royalnet/constellation/constellation.py
@@ -4,6 +4,8 @@ import logging
 import importlib
 import uvicorn
 import starlette.applications
+import starlette.middleware
+import starlette.middleware.cors
 import royalnet.alchemy as ra
 import royalnet.herald as rh
 import royalnet.utils as ru
@@ -96,7 +98,16 @@ class Constellation:
         self.events: Dict[str, rc.Event] = {}
         """A dictionary containing all :class:`~rc.Event` that can be handled by this :class:`Constellation`."""
 
-        self.starlette = starlette.applications.Starlette(debug=__debug__)
+        middleware = []
+        if constellation_cfg.get("cors_middleware", False):
+            log.info("CORS middleware: enabled")
+            middleware.append(
+                starlette.middleware.Middleware(starlette.middleware.cors.CORSMiddleware, {"allow_origins": ["*"]})
+            )
+        else:
+            log.info("CORS middleware: disabled")
+
+        self.starlette = starlette.applications.Starlette(debug=__debug__, middleware=middleware)
         """The :class:`~starlette.Starlette` app."""
 
         self.stars: List[PageStar] = []
diff --git a/royalnet/version.py b/royalnet/version.py
index 62374c71..d6a72e3e 100644
--- a/royalnet/version.py
+++ b/royalnet/version.py
@@ -1 +1 @@
-semantic = "5.9.2"
+semantic = "5.9.3"
diff --git a/sample_config.toml b/sample_config.toml
index fbe24ae5..a6ed18c7 100644
--- a/sample_config.toml
+++ b/sample_config.toml
@@ -55,6 +55,9 @@ enabled = true
 address = "0.0.0.0"
 # The port on which the Constellation should run
 port = 44445
+# If the CORS middleware should be enabled
+# https://www.starlette.io/middleware/#corsmiddleware
+cors_middleware = true
 
 [Serfs]