[core] Add CORS headers

flaschengeist/app.py

@@ -108,6 +108,14 @@ def create_app(test_config=None):
 
         return jsonify({"plugins": app.config["FG_PLUGINS"], "version": version})
 
+    @app.after_request
+    def after_request(response):
+        header = response.headers
+        header['Access-Control-Allow-Origin'] = '*'
+        header["Access-Control-Allow-Methods"] = "GET,HEAD,OPTIONS,POST,PUT"
+        header["Access-Control-Allow-Headers"] = "Origin, X-Requested-With, Content-Type, Accept, Authorization"
+        return response
+
     @app.errorhandler(Exception)
     def handle_exception(e):
         if isinstance(e, HTTPException):