pan3793 commented on code in PR #3838:
URL: https://github.com/apache/incubator-kyuubi/pull/3838#discussion_r1035706099
##########
extensions/spark/kyuubi-spark-authz/src/main/scala/org/apache/kyuubi/plugin/spark/authz/util/AuthZUtils.scala:
##########
@@ -175,4 +190,38 @@ private[authz] object AuthZUtils {
def quote(parts: Seq[String]): String = {
parts.map(quoteIfNeeded).mkString(".")
}
+
+ private def verifyKyuubiSessionUser(spark: SparkContext, user: String): Unit
= {
+ val isSessionUserVerifyEnabled =
+ spark.getConf.getBoolean(s"spark.kyuubi.session.user.sign.enabled",
defaultValue = false)
+ if (isSessionUserVerifyEnabled) {
+ val isVerified = {
+ try {
+ val userPubKeyStr =
spark.getLocalProperty("kyuubi.session.sign.publickey")
+ val userSign = spark.getLocalProperty("kyuubi.session.user.sign")
+ verifySignWithECDSA(user, userSign, userPubKeyStr)
+ } catch {
+ case _: Exception =>
+ false
+ }
+ }
+ if (!isVerified) {
+ throw new AccessControlException(s"Permission denied: user [$user] is
not verified")
+ }
+ }
+ }
+
+ private def verifySignWithECDSA(
+ plainText: String,
+ signature: String,
+ publicKeyStr: String): Boolean = {
Review Comment:
publicKeyBase64
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