update m3u8 ts name

internal/pkg/rand/rand.go

@@ -0,0 +1,25 @@
+package rand
+
+import (
+	rd "crypto/rand"
+	"encoding/hex"
+	"io"
+)
+
+func RandomBytes(n int) []byte {
+	b := make([]byte, n)
+	bs, err := io.ReadFull(rd.Reader, b)
+	if err != nil {
+		return nil
+	}
+	if bs < n {
+		return nil
+	}
+
+	return b
+}
+
+func RandomString(n int) string {
+	b := RandomBytes(n)
+	return hex.EncodeToString(b)
+}