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package filter
import (
"encoding/json"
"fmt"
"strconv"
"strings"
"github.com/ffuf/ffuf/v2/pkg/ffuf"
)
const AllStatuses = 0
type StatusFilter struct {
Value []ffuf.ValueRange
}
func NewStatusFilter(value string) (ffuf.FilterProvider, error) {
var intranges []ffuf.ValueRange
for _, sv := range strings.Split(value, ",") {
if sv == "all" {
intranges = append(intranges, ffuf.ValueRange{Min: AllStatuses, Max: AllStatuses})
} else {
vr, err := ffuf.ValueRangeFromString(sv)
if err != nil {
return &StatusFilter{}, fmt.Errorf("Status filter or matcher (-fc / -mc): invalid value %s", sv)
}
intranges = append(intranges, vr)
}
}
return &StatusFilter{Value: intranges}, nil
}
func (f *StatusFilter) MarshalJSON() ([]byte, error) {
value := make([]string, 0)
for _, v := range f.Value {
if v.Min == 0 && v.Max == 0 {
value = append(value, "all")
} else {
if v.Min == v.Max {
value = append(value, strconv.FormatInt(v.Min, 10))
} else {
value = append(value, fmt.Sprintf("%d-%d", v.Min, v.Max))
}
}
}
return json.Marshal(&struct {
Value string `json:"value"`
}{
Value: strings.Join(value, ","),
})
}
func (f *StatusFilter) Filter(response *ffuf.Response) (bool, error) {
for _, iv := range f.Value {
if iv.Min == AllStatuses && iv.Max == AllStatuses {
// Handle the "all" case
return true, nil
}
if iv.Min <= response.StatusCode && response.StatusCode <= iv.Max {
return true, nil
}
}
return false, nil
}
func (f *StatusFilter) Repr() string {
var strval []string
for _, iv := range f.Value {
if iv.Min == AllStatuses && iv.Max == AllStatuses {
strval = append(strval, "all")
} else 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 strings.Join(strval, ",")
}
func (f *StatusFilter) ReprVerbose() string {
return fmt.Sprintf("Response status: %s", f.Repr())
}
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