[proxy] simplify usage of class variables of Policy subtypes
Policy
This commit also prevents popup script injection to Haketilo-served pages like https://hkt.mitm.it/.
https://hkt.mitm.it/
[proxy] simplify usage of class variables of
Policy
subtypesThis commit also prevents popup script injection to Haketilo-served pages like
https://hkt.mitm.it/
.