input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists

input : direct user input in string filtering : remove all invalid filenames and chars in paths sink : check if a file exists