Github user revans2 commented on a diff in the pull request: https://github.com/apache/storm/pull/448#discussion_r25613390 --- Diff: storm-core/src/clj/backtype/storm/ui/core.clj --- @@ -45,28 +45,46 @@ (def ^:dynamic *STORM-CONF* (read-storm-config)) (def ^:dynamic *UI-ACL-HANDLER* (mk-authorization-handler (*STORM-CONF* NIMBUS-AUTHORIZER) *STORM-CONF*)) +(def ^:dynamic *UI-IMPERSONATION-HANDLER* (mk-authorization-handler (*STORM-CONF* NIMBUS-IMPERSONATION-AUTHORIZER) *STORM-CONF*)) (def http-creds-handler (AuthUtils/GetUiHttpCredentialsPlugin *STORM-CONF*)) (defmacro with-nimbus [nimbus-sym & body] - `(thrift/with-nimbus-connection - [~nimbus-sym (*STORM-CONF* NIMBUS-HOST) (*STORM-CONF* NIMBUS-THRIFT-PORT)] - ~@body)) + `(let [context# (ReqContext/context) + user# (if (.principal context#) (.getName (.principal context#)))] + (thrift/with-nimbus-connection-as-user + [~nimbus-sym (*STORM-CONF* NIMBUS-HOST) (*STORM-CONF* NIMBUS-THRIFT-PORT) user#] + ~@body))) (defn assert-authorized-user ([servlet-request op] (assert-authorized-user servlet-request op nil)) ([servlet-request op topology-conf] - (if http-creds-handler (.populateContext http-creds-handler (ReqContext/context) servlet-request)) - (if *UI-ACL-HANDLER* - (let [context (ReqContext/context)] - (if-not (.permit *UI-ACL-HANDLER* context op topology-conf) - (let [principal (.principal context) - user (if principal (.getName principal) "unknown")] - (throw (AuthorizationException. - (str "UI request '" op "' for '" - user "' user is not authorized"))))))))) + (let [context (ReqContext/context)] + (if http-creds-handler (.populateContext http-creds-handler context servlet-request)) + + (if (.isImpersonating context) + (if *UI-IMPERSONATION-HANDLER* + (if-not (.permit *UI-IMPERSONATION-HANDLER* context op topology-conf) + (let [principal (.principal context) + real-principal (.realPrincipal context) + user (if principal (.getName principal) "unknown") + real-user (if real-principal (.getName real-principal) "unknown") + remote-address (.remoteAddress context)] + (throw (AuthorizationException. + (str "user '" real-user "' is not authorized to impersonate user '" user "' from host '" remote-address "'. Please + see SECURITY.MD to learn how to configure impersonation ACL."))))) + (log-warn " principal " (.realPrincipal context) " is trying to impersonate " (.principal context) " but " --- End diff -- Again do we want to fail open or fail closed?
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---