/
mask.go
63 lines (55 loc) · 1.41 KB
/
mask.go
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package secretvalues
import (
"encoding/json"
"fmt"
"reflect"
"strings"
)
func ExtractSecretValuesFromMap(data map[string]interface{}) []string {
queue := []interface{}{data}
maskedValues := []string{}
for len(queue) > 0 {
var elemI interface{}
elemI, queue = queue[0], queue[1:]
elemType := reflect.TypeOf(elemI)
if elemType == nil {
continue
}
switch elemType.Kind() {
case reflect.Slice, reflect.Array:
elem := reflect.ValueOf(elemI)
for i := 0; i < elem.Len(); i++ {
value := elem.Index(i)
queue = append(queue, value.Interface())
}
case reflect.Map:
elem := reflect.ValueOf(elemI)
for _, key := range elem.MapKeys() {
value := elem.MapIndex(key)
queue = append(queue, value.Interface())
}
default:
elemStr := fmt.Sprintf("%v", elemI)
if len(elemStr) >= 4 {
maskedValues = append(maskedValues, elemStr)
}
for _, line := range strings.Split(elemStr, "\n") {
trimmedLine := strings.TrimSpace(line)
if len(trimmedLine) >= 4 {
maskedValues = append(maskedValues, trimmedLine)
}
}
dataMap := map[string]interface{}{}
if err := json.Unmarshal([]byte(elemStr), &dataMap); err == nil {
for _, v := range dataMap {
queue = append(queue, v)
}
}
dataArr := []interface{}{}
if err := json.Unmarshal([]byte(elemStr), &dataArr); err == nil {
queue = append(queue, dataArr...)
}
}
}
return maskedValues
}