turboFei commented on code in PR #3213:
URL: https://github.com/apache/incubator-kyuubi/pull/3213#discussion_r946352829


##########
kyuubi-common/src/main/scala/org/apache/kyuubi/service/authentication/LdapAuthenticationProviderImpl.scala:
##########
@@ -58,28 +59,65 @@ class LdapAuthenticationProviderImpl(conf: KyuubiConf) 
extends PasswdAuthenticat
     conf.get(AUTHENTICATION_LDAP_URL).foreach(env.put(Context.PROVIDER_URL, _))
 
     val domain = conf.get(AUTHENTICATION_LDAP_DOMAIN)
-    val u =
-      if (!hasDomain(user) && domain.nonEmpty) {
-        user + "@" + domain.get
-      } else {
-        user
-      }
-
+    val mail = getMail(user, domain.get)
     val guidKey = conf.get(AUTHENTICATION_LDAP_GUIDKEY)
-    val bindDn = conf.get(AUTHENTICATION_LDAP_BASEDN) match {
-      case Some(dn) => guidKey + "=" + u + "," + dn
-      case _ => u
-    }
-
-    env.put(Context.SECURITY_PRINCIPAL, bindDn)
-    env.put(Context.SECURITY_CREDENTIALS, password)
+    val baseDn = conf.get(AUTHENTICATION_LDAP_BASEDN).get
+    val bindnPw = conf.get(AUTHENTICATION_LDAP_PASSWORD).get
+    val attrs = conf.get(AUTHENTICATION_LDAP_ATTRIBUTES).toArray
 
+    env.put(Context.SECURITY_PRINCIPAL, guidKey)

Review Comment:
   According to 
https://docs.cloudera.com/cdp-private-cloud-base/7.1.6/using-das/topics/das-user-authentication-ldap.html
   
   ```
   LDAP GUID Key: Specify the LDAP attribute name whose values are unique on 
this LDAP server. For example: uid or CN.
   ```
   
   GUID Key is not used for `SECURITY_PRINCIPAL`.
   
   



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