boulder/va/utf8filter.go

17 lines
422 B
Go

package va
import "strings"
// replaceInvalidUTF8 replaces all invalid UTF-8 encodings with
// Unicode REPLACEMENT CHARACTER.
func replaceInvalidUTF8(input []byte) string {
var b strings.Builder
// Ranging over a string in Go produces runes. When the range keyword
// encounters an invalid UTF-8 encoding, it returns REPLACEMENT CHARACTER.
for _, v := range string(input) {
b.WriteRune(v)
}
return b.String()
}