GUACAMOLE-990: Guarantee auth banning occurs before all other auth processing.

guacamole-ext/src/main/java/org/apache/guacamole/net/event/AuthenticationRequestReceivedEvent.java

@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.guacamole.net.event;
+
+/**
+ * An event which is triggered whenever a user's credentials have been
+ * submitted for authentication, but that latest authentication request has not
+ * yet succeeded or failed. The credentials that were received for
+ * authentication are included within this event, and can be retrieved using
+ * {@link #getCredentials()}.
+ * <p>
+ * If a {@link org.apache.guacamole.net.event.listener.Listener} throws
+ * a GuacamoleException when handling an event of this type, the authentication
+ * request is entirely aborted as if it failed, and will be processed by any
+ * other listener or authentication provider.
+ */
+public interface AuthenticationRequestReceivedEvent extends CredentialEvent {
+}