in mobile-save-for-later/src/main/scala/com/gu/sfl/lib/AuthHeaderParser.scala [7:13]
def getIdentityHeaders(headers: Map[String, String]) : Option[IdentityHeader] = {
//Ios sends 'authorisation' whereas android 'Authorisation'
for {
auth <- headers.get(Identity.auth)
isOauth = headers.contains(Identity.isOauth)
} yield (IdentityHeader(auth = auth, isOauth = isOauth))
}