Coverage Report - com.jcabi.ssh.SSHByPassword
 
Classes in this File Line Coverage Branch Coverage Complexity
SSHByPassword
82%
14/17
0%
0/14
2.5
 
 1  
 /**
 2  
  * Copyright (c) 2014-2015, jcabi.com
 3  
  * All rights reserved.
 4  
  *
 5  
  * Redistribution and use in source and binary forms, with or without
 6  
  * modification, are permitted provided that the following conditions
 7  
  * are met: 1) Redistributions of source code must retain the above
 8  
  * copyright notice, this list of conditions and the following
 9  
  * disclaimer. 2) Redistributions in binary form must reproduce the above
 10  
  * copyright notice, this list of conditions and the following
 11  
  * disclaimer in the documentation and/or other materials provided
 12  
  * with the distribution. 3) Neither the name of the jcabi.com nor
 13  
  * the names of its contributors may be used to endorse or promote
 14  
  * products derived from this software without specific prior written
 15  
  * permission.
 16  
  *
 17  
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 18  
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 19  
  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 20  
  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 21  
  * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 22  
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 23  
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 24  
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 25  
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 26  
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 27  
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 28  
  * OF THE POSSIBILITY OF SUCH DAMAGE.
 29  
  */
 30  
 package com.jcabi.ssh;
 31  
 
 32  
 import com.jcabi.aspects.RetryOnFailure;
 33  
 import com.jcabi.aspects.Tv;
 34  
 import com.jcabi.log.Logger;
 35  
 import com.jcraft.jsch.JSch;
 36  
 import com.jcraft.jsch.JSchException;
 37  
 import com.jcraft.jsch.Session;
 38  
 import java.io.IOException;
 39  
 import java.net.UnknownHostException;
 40  
 import java.util.concurrent.TimeUnit;
 41  
 import lombok.EqualsAndHashCode;
 42  
 import lombok.ToString;
 43  
 
 44  
 /**
 45  
  * SSH channel with authentication by password.
 46  
  * @author Georgy Vlasov (wlasowegor@gmail.com)
 47  
  * @version $Id: 382a606c7c722429fb5b454c43307cd825d0d3d1 $
 48  
  * @since 1.4
 49  
  * @see SSH For SSH channel with authenticaton using private key.
 50  
  */
 51  7
 @ToString
 52  0
 @EqualsAndHashCode(of = { "password" }, callSuper = true)
 53  
 public final class SSHByPassword extends AbstractSSHShell {
 54  
 
 55  
     /**
 56  
      * User password.
 57  
      */
 58  
     private final transient String password;
 59  
 
 60  
     /**
 61  
      * Constructor.
 62  
      * @param adr IP address
 63  
      * @param prt Port of server
 64  
      * @param user Login
 65  
      * @param passwd Password
 66  
      * @throws UnknownHostException If fails
 67  
      * @checkstyle ParameterNumberCheck (6 lines)
 68  
      */
 69  
     public SSHByPassword(final String adr, final int prt,
 70  
                     final String user, final String passwd)
 71  
         throws UnknownHostException {
 72  1
         super(adr, prt, user);
 73  1
         this.password = passwd;
 74  1
     }
 75  
 
 76  
     // @checkstyle ProtectedMethodInFinalClassCheck (10 lines)
 77  
     @Override
 78  
     @RetryOnFailure(
 79  
         attempts = Tv.SEVEN,
 80  
         delay = 1,
 81  
         unit = TimeUnit.MINUTES,
 82  
         verbose = false,
 83  
         randomize = true,
 84  
         types = IOException.class
 85  
     )
 86  
     protected Session session() throws IOException {
 87  
         try {
 88  1
             JSch.setConfig("StrictHostKeyChecking", "no");
 89  1
             JSch.setLogger(new JschLogger());
 90  1
             final JSch jsch = new JSch();
 91  1
             Logger.debug(
 92  
                 this,
 93  
                 "Opening SSH session to %s@%s:%s (auth with password)...",
 94  
                 this.getLogin(), this.getAddr(), this.getPort()
 95  
             );
 96  1
             final Session session = jsch.getSession(
 97  
                 this.getLogin(), this.getAddr(), this.getPort()
 98  
             );
 99  1
             session.setPassword(this.password);
 100  1
             session.setServerAliveInterval(
 101  
                 (int) TimeUnit.SECONDS.toMillis(Tv.TEN)
 102  
             );
 103  1
             session.setServerAliveCountMax(Tv.MILLION);
 104  1
             session.connect();
 105  1
             return session;
 106  0
         } catch (final JSchException ex) {
 107  0
             throw new IOException(ex);
 108  
         }
 109  
     }
 110  
 }