/**
* 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.camel.component.file.remote;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.UserInfo;
import org.apache.camel.Processor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import static org.apache.camel.util.ObjectHelper.isNotNullAndNonEmpty;
public class SftpEndpoint extends RemoteFileEndpoint<RemoteFileExchange> {
protected final transient Log log = LogFactory.getLog(getClass());
public SftpEndpoint(String uri, RemoteFileComponent remoteFileComponent, RemoteFileConfiguration configuration) {
super(uri, remoteFileComponent, configuration);
}
public SftpEndpoint(String endpointUri) {
super(endpointUri);
}
public SftpProducer createProducer() throws Exception {
return new SftpProducer(this, createSession());
}
public SftpConsumer createConsumer(Processor processor) throws Exception {
final SftpConsumer consumer = new SftpConsumer(this, processor, createSession());
configureConsumer(consumer);
return consumer;
}
protected Session createSession() throws JSchException {
final JSch jsch = new JSch();
String privateKeyFile = getConfiguration().getPrivateKeyFile();
if (isNotNullAndNonEmpty(privateKeyFile)) {
log.debug("Using private keyfile: " + privateKeyFile);
String privateKeyFilePassphrase = getConfiguration().getPrivateKeyFilePassphrase();
if (isNotNullAndNonEmpty(privateKeyFilePassphrase)) {
jsch.addIdentity(privateKeyFile, privateKeyFilePassphrase);
} else {
jsch.addIdentity(privateKeyFile);
}
}
String knownHostsFile = getConfiguration().getKnownHosts();
if (isNotNullAndNonEmpty(knownHostsFile)) {
log.debug("Using knownHosts: " + knownHostsFile);
jsch.setKnownHosts(knownHostsFile);
}
final Session session = jsch.getSession(getConfiguration().getUsername(), getConfiguration().getHost(), getConfiguration().getPort());
session.setUserInfo(new UserInfo() {
public String getPassphrase() {
return null;
}
public String getPassword() {
return getConfiguration().getPassword();
}
public boolean promptPassword(String string) {
return true;
}
public boolean promptPassphrase(String string) {
return true;
}
public boolean promptYesNo(String string) {
log.error(string);
// Return 'false' indicating modification of the hosts file is disabled.
return false;
}
public void showMessage(String string) {
}
});
return session;
}
public ChannelSftp createChannelSftp(Session session) throws JSchException {
final ChannelSftp channel = (ChannelSftp) session.openChannel("sftp");
return channel;
}
}