Added filename validation check
Added filename validation check

kstaniek/csm,csm-aut/csm,csm-aut/csm,kstaniek/csm,smjurcak/csm,smjurcak/csm,smjurcak/csm,kstaniek/csm,csm-aut/csm,kstaniek/csm,smjurcak/csm,csm-aut/csm