Moving part of code responsible for determining of certificate store filename from Connection.py to hal.py

Author: tomekmalek

LiveObjects/Connection.py

@@ -115,17 +115,7 @@ def connect(self):
             self.__mqtt.on_connect = self.__onConnect
             self.__mqtt.on_message = self.__onMessage
             if self.__port == SSL:
-                filename = "/etc/ssl/certs/ca-certificates.crt"
-
-                if self.__board.get_os_id() == LiveObjects.BoardsInterface.WINDOWS:
-                    try:
-                        import certifi
-                        filename = certifi.where()
-                    except ImportError:
-                        print("[ERROR] U have missing library 'python-certifi-win32'")
-                        sys.exit()
-
-                self.__mqtt.tls_set(filename)
+                self.__mqtt.tls_set(self.__board.get_store_cert_filename())
             self.__mqtt.connect(self.__server, self.__port, 60)
             self.__mqtt.loop_start()
         elif self.mode == LiveObjects.BoardsInterface.MICROPYTHON:

LiveObjects/hal.py

@@ -48,6 +48,9 @@ def get_os_id(self):
     def get_security_level(self):
         pass
 
+    def get_store_cert_filename(self):
+        pass
+
     def check_network_capabilities(self, net_type):
         if net_type not in self._carrier_capability:
             print('Carrier not supported.')
@@ -122,6 +125,14 @@ def get_security_level(self):
     def get_os_id(self):
         return self._os_id
 
+    def get_store_cert_filename(self):
+        try:
+            import certifi
+            return certifi.where()
+        except ImportError:
+            print("[ERROR] U have missing library 'python-certifi-win32'")
+            sys.exit()
+
 
 class Esp32(BoardsInterface):
     def __init__(self, net_type):
@@ -147,6 +158,7 @@ def __init__(self, net_type):
         self._carrier_capability = (BoardsInterface.EXISTING_NETWORK,)
         self._existing_network_tls_capability = True
         self._credentials = super().create_credentials(self._net_type)
+        self._cert_store_filename = "/etc/ssl/certs/ca-certificates.crt"
 
     def connect(self):
         super().check_network_capabilities(self._net_type)
@@ -158,6 +170,9 @@ def get_security_level(self):
     def get_os_id(self):
         return self._os_id
 
+    def get_store_cert_filename(self):
+        return self._cert_store_filename
+
 
 class BoardsFactory: