Bugfix ratelimiter kobo

cps/main.py

@@ -44,6 +44,7 @@ def main():
     try:
         from .kobo import kobo, get_kobo_activated
         from .kobo_auth import kobo_auth
+        from flask_limiter.util import get_remote_address
         kobo_available = get_kobo_activated()
     except (ImportError, AttributeError):  # Catch also error for not installed flask-WTF (missing csrf decorator)
         kobo_available = False
@@ -73,6 +74,7 @@ def main():
     if kobo_available:
         app.register_blueprint(kobo)
         app.register_blueprint(kobo_auth)
+        limiter.limit("10/minute", key_func=get_remote_address)(kobo)
     if oauth_available:
         app.register_blueprint(oauth)
     success = web_server.start()