| /* |
| * 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.toree.communication.security |
| |
| import org.apache.pekko.actor.Actor |
| import org.apache.toree.communication.utils.OrderedSupport |
| import org.apache.toree.kernel.protocol.v5.KernelMessage |
| import org.apache.toree.utils.LogLike |
| import play.api.libs.json.Json |
| |
| /** |
| * Constructs a signature from any kernel message received. |
| * @param hmac The HMAC to use for signature construction |
| */ |
| class SignatureProducerActor( |
| private val hmac: Hmac |
| ) extends Actor with LogLike with OrderedSupport { |
| override def receive: Receive = { |
| case message: KernelMessage => withProcessing { |
| val signature = hmac( |
| Json.stringify(Json.toJson(message.header)), |
| Json.stringify(Json.toJson(message.parentHeader)), |
| Json.stringify(Json.toJson(message.metadata)), |
| message.contentString |
| ) |
| sender ! signature |
| } |
| } |
| |
| /** |
| * Defines the types that will be stashed by [[waiting]] |
| * while the Actor is in processing state. |
| * @return |
| */ |
| override def orderedTypes(): Seq[Class[_]] = Seq(classOf[KernelMessage]) |
| } |