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size.go
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size.go
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package filter
import (
"fmt"
"strconv"
"strings"
"github.com/ffuf/ffuf/pkg/ffuf"
)
type SizeFilter struct {
Value []ValueRange
}
func NewSizeFilter(value string) (ffuf.FilterProvider, error) {
var intranges []ValueRange
for _, sv := range strings.Split(value, ",") {
vr, err := ValueRangeFromString(sv)
if err != nil {
return &SizeFilter{}, fmt.Errorf("Size filter or matcher (-fs / -ms): invalid value: %s", sv)
}
intranges = append(intranges, vr)
}
return &SizeFilter{Value: intranges}, nil
}
func (f *SizeFilter) Filter(response *ffuf.Response) (bool, error) {
for _, iv := range f.Value {
if iv.min <= response.ContentLength && response.ContentLength <= iv.max {
return true, nil
}
}
return false, nil
}
func (f *SizeFilter) Repr() string {
var strval []string
for _, iv := range f.Value {
if iv.min == iv.max {
strval = append(strval, strconv.Itoa(int(iv.min)))
} else {
strval = append(strval, strconv.Itoa(int(iv.min))+"-"+strconv.Itoa(int(iv.max)))
}
}
return fmt.Sprintf("Response size: %s", strings.Join(strval, ","))
}