Github user laurentgo commented on a diff in the pull request:
https://github.com/apache/drill/pull/578#discussion_r102347409
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/rpc/user/UserClient.java ---
@@ -88,22 +124,178 @@ public void submitQuery(UserResultsListener
resultsListener, RunQuery query) {
send(queryResultHandler.getWrappedListener(resultsListener),
RpcType.RUN_QUERY, query, QueryId.class);
}
- public void connect(RpcConnectionHandler<ServerConnection> handler,
DrillbitEndpoint endpoint,
- UserProperties props, UserBitShared.UserCredentials
credentials) {
+ public CheckedFuture<Void, RpcException> connect(DrillbitEndpoint
endpoint, DrillProperties parameters,
+ UserCredentials
credentials) {
+ final FutureHandler handler = new FutureHandler();
UserToBitHandshake.Builder hsBuilder = UserToBitHandshake.newBuilder()
.setRpcVersion(UserRpcConfig.RPC_VERSION)
.setSupportListening(true)
.setSupportComplexTypes(supportComplexTypes)
.setSupportTimeout(true)
.setCredentials(credentials)
- .setClientInfos(UserRpcUtils.getRpcEndpointInfos(clientName));
+ .setClientInfos(UserRpcUtils.getRpcEndpointInfos(clientName))
+ .setSaslSupport(SaslSupport.SASL_AUTH)
+ .setProperties(parameters.serializeForServer());
+ this.properties = parameters;
+
+
connectAsClient(queryResultHandler.getWrappedConnectionHandler(handler),
+ hsBuilder.build(), endpoint.getAddress(), endpoint.getUserPort());
+ return handler;
+ }
- if (props != null) {
- hsBuilder.setProperties(props);
+ /**
+ * Check (after {@link #connect connecting}) if server requires
authentication.
+ *
+ * @return true if server requires authentication
+ */
+ public boolean serverRequiresAuthentication() {
+ return serverAuthMechanisms != null;
+ }
+
+ /**
+ * Returns a list of supported authentication mechanism. If called
before {@link #connect connecting},
+ * returns null. If called after {@link #connect connecting}, returns a
list of supported mechanisms
+ * iff authentication is required.
+ *
+ * @return list of supported authentication mechanisms
+ */
+ public List<String> getSupportedAuthenticationMechanisms() {
+ return serverAuthMechanisms;
+ }
+
+ /**
+ * Authenticate to the server asynchronously. Returns a future that
{@link CheckedFuture#checkedGet results}
+ * in null if authentication succeeds, or throws a {@link SaslException}
with relevant message if
+ * authentication fails.
+ *
+ * This method uses properties provided at {@link #connect connection
time} and override them with the
+ * given properties, if any.
+ *
+ * @param overrides parameter overrides
+ * @return result of authentication request
+ */
+ public CheckedFuture<Void, SaslException> authenticate(final
DrillProperties overrides) {
--- End diff --
is there any need (other than for testing?) to not include authentication
in the connection process?
From my point of view, it should be included since the user already
provided all the needed properties (overrides is NULL in DrillClient), and the
user cannot do anything until authenticated anyway...
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