skip subprotocol validation when configured (#443)

Co-authored-by: lbbrhzn <lbbrhzn>

custom_components/ocpp/api.py

@@ -55,6 +55,7 @@
     CONF_METER_INTERVAL,
     CONF_MONITORED_VARIABLES,
     CONF_PORT,
+    CONF_SKIP_SCHEMA_VALIDATION,
     CONF_SUBPROTOCOL,
     CONF_WEBSOCKET_CLOSE_TIMEOUT,
     CONF_WEBSOCKET_PING_INTERVAL,
@@ -69,6 +70,7 @@
     DEFAULT_METER_INTERVAL,
     DEFAULT_PORT,
     DEFAULT_POWER_UNIT,
+    DEFAULT_SKIP_SCHEMA_VALIDATION,
     DEFAULT_SUBPROTOCOL,
     DEFAULT_WEBSOCKET_CLOSE_TIMEOUT,
     DEFAULT_WEBSOCKET_PING_INTERVAL,
@@ -177,7 +179,9 @@ async def on_connect(
         self, websocket: websockets.server.WebSocketServerProtocol, path: str
     ):
         """Request handler executed for every new OCPP connection."""
-
+        if self.config.get(CONF_SKIP_SCHEMA_VALIDATION, DEFAULT_SKIP_SCHEMA_VALIDATION):
+            _LOGGER.warning("Skipping websocket subprotocol validation")
+            return
         try:
             requested_protocols = websocket.request_headers["Sec-WebSocket-Protocol"]
         except KeyError: