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package filter
import (
"encoding/json"
"fmt"
"strconv"
"strings"
"github.com/ffuf/ffuf/v2/pkg/ffuf"
)
type TimeFilter struct {
ms int64 // milliseconds since first response byte
gt bool // filter if response time is greater than
lt bool // filter if response time is less than
valueRaw string
}
func NewTimeFilter(value string) (ffuf.FilterProvider, error) {
var milliseconds int64
gt, lt := false, false
gt = strings.HasPrefix(value, ">")
lt = strings.HasPrefix(value, "<")
if (!lt && !gt) || (lt && gt) {
return &TimeFilter{}, fmt.Errorf("Time filter or matcher (-ft / -mt): invalid value: %s", value)
}
milliseconds, err := strconv.ParseInt(value[1:], 10, 64)
if err != nil {
return &TimeFilter{}, fmt.Errorf("Time filter or matcher (-ft / -mt): invalid value: %s", value)
}
return &TimeFilter{ms: milliseconds, gt: gt, lt: lt, valueRaw: value}, nil
}
func (f *TimeFilter) MarshalJSON() ([]byte, error) {
return json.Marshal(&struct {
Value string `json:"value"`
}{
Value: f.valueRaw,
})
}
func (f *TimeFilter) Filter(response *ffuf.Response) (bool, error) {
if f.gt {
if response.Time.Milliseconds() > f.ms {
return true, nil
}
} else if f.lt {
if response.Time.Milliseconds() < f.ms {
return true, nil
}
}
return false, nil
}
func (f *TimeFilter) Repr() string {
return f.valueRaw
}
func (f *TimeFilter) ReprVerbose() string {
return fmt.Sprintf("Response time: %s", f.Repr())
}
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