fix hashing of prints with odd number of chars

kraktus · Sep 16, 2019 · 2870d07 · 2870d07
1 parent 4f2301c
commit 2870d07
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/modules/security/src/main/FingerPrint.scala b/modules/security/src/main/FingerPrint.scala
@@ -17,13 +17,18 @@ object FingerHash {
  import org.apache.commons.codec.binary.Hex
  FingerHash {
  Base64.getEncoder encodeToString {
- Hex decodeHex print.value.replace("-", "").toArray
+ Hex decodeHex normalize(print).toArray
  } take length
  } some
  } catch {
  case _: Exception => none
  }
 
+ private def normalize(fp: FingerPrint): String = {
+ val str = fp.value.replace("-", "")
+ if (str.size % 2 == 1) s"${str}0" else str
+ }
+
  val impersonate = FingerHash("imperson")
 
  implicit val fingerHashIso = Iso.string[FingerHash](FingerHash.apply, _.value)