Line data    Source code

       1             : // Copyright (C) 2018 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.acceptance;
      16             : 
      17             : import com.google.inject.AbstractModule;
      18             : import com.google.inject.Provides;
      19             : import com.google.inject.Singleton;
      20             : import org.apache.sshd.common.keyprovider.KeyPairProvider;
      21             : import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider;
      22             : 
      23         132 : public class SshdModule extends AbstractModule {
      24             : 
      25             :   @Provides
      26             :   @Singleton
      27             :   KeyPairProvider createHostKey() {
      28         132 :     return getHostKeys();
      29             :   }
      30             : 
      31             :   private static SimpleGeneratorHostKeyProvider keys;
      32             : 
      33             :   private static synchronized KeyPairProvider getHostKeys() {
      34         132 :     if (keys == null) {
      35         132 :       keys = new SimpleGeneratorHostKeyProvider();
      36         132 :       keys.setAlgorithm("RSA");
      37         132 :       keys.loadKeys(null);
      38             :     }
      39         132 :     return keys;
      40             :   }
      41             : }