deepcrayon/lila
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no need to reimplement base32

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This commit is contained in:
Niklas Fiekas 2018-05-05 16:48:51 +02:00
parent 3773d06465
commit b274d04770
1 changed files with 3 additions and 11 deletions
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14
modules/user/src/main/TotpSecret.scala
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@ -4,13 +4,12 @@ import java.security.SecureRandom
import javax.crypto.Mac
import javax.crypto.spec.SecretKeySpec
import scala.math.{ pow, BigInt }
import org.apache.commons.codec.binary.Base32
case class TotpSecret(val secret: Array[Byte]) {
override def toString = "TotpSecret(****************)"
def base32: String = {
new String(BigInt(0.toByte +: secret).toString(32).pp("base32").toCharArray.map(_.asDigit).map(TotpSecret.base(_)))
}
def base32: String = new Base32().encodeAsString(secret)
def totp(period: Long): String = {
// Loosely based on scala-totp-auth:
@ -42,17 +41,10 @@ case class TotpSecret(val secret: Array[Byte]) {
object TotpSecret {
// requires clock precision of at least window * 30 seconds
private val window = 3
// number of digits in token
private val digits = 6
// base32 encoding
private val base = ('A' to 'Z') ++ ('2' to '7')
def apply(base32: String) = new TotpSecret(base32
.toUpperCase
.map(base.indexOf(_).atLeast(0))
.foldLeft(0: BigInt)((a, b) => a * 32 + b).toByteArray)
def apply(base32: String) = new TotpSecret(new Base32().decode(base32))
def random: TotpSecret = {
val secret = new Array[Byte](10)