Improve SSH client.
[lgpl/argeo-commons.git] / org.argeo.core / src / org / argeo / ssh / AbstractSsh.java
index 88b28b525290a113f94250b90458df06ef94bade..588c16b01bd426a8a08e20aca5d051a8d9686cbb 100644 (file)
@@ -3,19 +3,15 @@ package org.argeo.ssh;
 import java.io.Console;
 import java.io.IOException;
 import java.net.URI;
-import java.security.GeneralSecurityException;
-import java.security.KeyPair;
 import java.util.Arrays;
 import java.util.Scanner;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.sshd.client.SshClient;
-import org.apache.sshd.client.config.keys.ClientIdentityLoader;
 import org.apache.sshd.client.future.ConnectFuture;
 import org.apache.sshd.client.session.ClientSession;
 import org.apache.sshd.client.subsystem.sftp.fs.SftpFileSystemProvider;
-import org.apache.sshd.common.config.keys.FilePasswordProvider;
 
 abstract class AbstractSsh {
        private final static Log log = LogFactory.getLog(AbstractSsh.class);
@@ -48,6 +44,7 @@ abstract class AbstractSsh {
                return sftpFileSystemProvider;
        }
 
+       @SuppressWarnings("restriction")
        void authenticate() {
                try {
                        if (sshKeyPair != null) {
@@ -59,8 +56,9 @@ abstract class AbstractSsh {
                                        Console console = System.console();
                                        if (console == null) {// IDE
                                                System.out.print("Password: ");
-                                               Scanner s = new Scanner(System.in);
-                                               password = s.next();
+                                               try (Scanner s = new Scanner(System.in)) {
+                                                       password = s.next();
+                                               }
                                        } else {
                                                console.printf("Password: ");
                                                char[] pwd = console.readPassword();
@@ -99,6 +97,7 @@ abstract class AbstractSsh {
                openSession(uri.getUserInfo(), uri.getHost(), uri.getPort() > 0 ? uri.getPort() : null);
        }
 
+       @SuppressWarnings("restriction")
        void openSession(String login, String host, Integer port) {
                if (session != null)
                        throw new IllegalStateException("Session is already open");
@@ -132,6 +131,7 @@ abstract class AbstractSsh {
                }
        }
 
+       @SuppressWarnings("restriction")
        void closeSession() {
                if (session == null)
                        throw new IllegalStateException("No session is open");