Fix trusted networks auth provider warning message (home-assistant#22671

)

* Fix trusted networks auth provider warning message

* Update auth.py

homeassistant/components/http/auth.py

@@ -190,12 +190,16 @@ async def auth_middleware(request, handler):
 
         elif (trusted_networks and
               await async_validate_trusted_networks(request)):
-            _LOGGER.warning(
-                'Access from trusted networks without auth token is going to '
-                'be removed in Home Assistant 0.96. Configure the trusted '
-                'networks auth provider or use long-lived access tokens to '
-                'access %s from %s',
-                request.path, request[KEY_REAL_IP])
+            if request.path not in old_auth_warning:
+                # When removing this, don't forget to remove the print logic
+                # in http/view.py
+                request['deprecate_warning_message'] = \
+                    'Access from trusted networks without auth token is ' \
+                    'going to be removed in Home Assistant 0.96. Configure ' \
+                    'the trusted networks auth provider or use long-lived ' \
+                    'access tokens to access {} from {}'.format(
+                        request.path, request[KEY_REAL_IP])
+                old_auth_warning.add(request.path)
             authenticated = True
 
         elif (support_legacy and HTTP_HEADER_HA_AUTH in request.headers and

homeassistant/components/http/view.py

@@ -98,6 +98,8 @@ async def handle(request):
 
         if view.requires_auth:
             if authenticated:
+                if 'deprecate_warning_message' in request:
+                    _LOGGER.warning(request['deprecate_warning_message'])
                 await process_success_login(request)
             else:
                 raise HTTPUnauthorized()