Envio archivos a traves de ssh con Java
Publicado por Vicente (11 intervenciones) el 28/08/2019 22:09:07
Hola estoy buscando la forma en la cual se pueda transferir archivos utlizando java a traves de ssh
encontre este codigo:http://www.jcraft.com/jsch/examples/ScpTo.java.html
pero no se ejecuta, alguien alguna idea u opinion?
encontre este codigo:http://www.jcraft.com/jsch/examples/ScpTo.java.html
pero no se ejecuta, alguien alguna idea u opinion?
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import com.jcraft.jsch.*;
import java.awt.*;
import javax.swing.*;
import java.io.*;
public class ScpTo{public static void main(String[] arg){
if(arg.length!=2){
System.err.println("usage: java ScpTo file1 user@remotehost:file2");
System.exit(-1);
} FileInputStream fis=null; try{String lfile=arg[0];
String user=arg[1].substring(0, arg[1].indexOf('@'));
arg[1]=arg[1].substring(arg[1].indexOf('@')+1);
String host=arg[1].substring(0, arg[1].indexOf(':'));
String rfile=arg[1].substring(arg[1].indexOf(':')+1);
JSch jsch=new JSch();
Session session=jsch.getSession(user, host, 22);
// username and password will be given via UserInfo interface.
UserInfo ui=new MyUserInfo();
session.setUserInfo(ui);
session.connect();
boolean ptimestamp = true; // exec 'scp -t rfile' remotely
rfile=rfile.replace("'", "'\"'\"'");
rfile="'"+rfile+"'";
String command="scp " + (ptimestamp ? "-p" :"") +" -t "+rfile;
Channel channel=session.openChannel("exec");
((ChannelExec)channel).setCommand(command);
// get I/O streams for remote scp
OutputStream out=channel.getOutputStream();
InputStream in=channel.getInputStream();
channel.connect();
if(checkAck(in)!=0){
System.exit(0);
}File _lfile = new File(lfile);
if(ptimestamp){
command="T "+(_lfile.lastModified()/1000)+" 0";
// The access time should be sent here,
// but it is not accessible with JavaAPI ;-<
command+=(" "+(_lfile.lastModified()/1000)+" 0\n");
out.write(command.getBytes()); out.flush();
if(checkAck(in)!=0){
System.exit(0);
} } // send "C0644 filesize filename", where filename should not include '/'
long filesize=_lfile.length();
command="C0644 "+filesize+" ";
if(lfile.lastIndexOf('/')>0){
command+=lfile.substring(lfile.lastIndexOf('/')+1);
} else{command+=lfile;
}command+="\n";
out.write(command.getBytes()); out.flush();
if(checkAck(in)!=0){
System.exit(0);
} // send a content of lfile
fis=new FileInputStream(lfile);
byte[] buf=new byte[1024];
while(true){
int len=fis.read(buf, 0, buf.length);
if(len<=0) break;
out.write(buf, 0, len); //out.flush();
}fis.close();
fis=null; // send '\0'
buf[0]=0; out.write(buf, 0, 1); out.flush();
if(checkAck(in)!=0){
System.exit(0);
}out.close();
channel.disconnect();
session.disconnect();
System.exit(0);
}catch(Exception e){
System.out.println(e);
try{if(fis!=null)fis.close();}catch(Exception ee){}
} }static int checkAck(InputStream in) throws IOException{
int b=in.read();
// b may be 0 for success,
// 1 for error,
// 2 for fatal error,
// -1
if(b==0) return b;
if(b==-1) return b;
if(b==1 || b==2){
StringBuffer sb=new StringBuffer();
int c;
do {c=in.read();
sb.append((char)c);
}while(c!='\n');
if(b==1){ // error
System.out.print(sb.toString());
}if(b==2){ // fatal error
System.out.print(sb.toString());
} }return b;
}public static class MyUserInfo implements UserInfo, UIKeyboardInteractive{
public String getPassword(){ return passwd; }
public boolean promptYesNo(String str){
Object[] options={ "yes", "no" };
int foo=JOptionPane.showOptionDialog(null,
str,"Warning",
JOptionPane.DEFAULT_OPTION,
JOptionPane.WARNING_MESSAGE,
null, options, options[0]);
return foo==0;
}String passwd;
JTextField passwordField=(JTextField)new JPasswordField(20);
public String getPassphrase(){ return null; }
public boolean promptPassphrase(String message){ return true; }
public boolean promptPassword(String message){
Object[] ob={passwordField};
int result=JOptionPane.showConfirmDialog(null, ob, message,
JOptionPane.OK_CANCEL_OPTION);
if(result==JOptionPane.OK_OPTION){
passwd=passwordField.getText();
return true;
}else{ return false; }
}public void showMessage(String message){
JOptionPane.showMessageDialog(null, message);
} final GridBagConstraints gbc =new GridBagConstraints(0,0,1,1,1,1,
GridBagConstraints.NORTHWEST,
GridBagConstraints.NONE,
new Insets(0,0,0,0),0,0);
private Container panel;
public String[] promptKeyboardInteractive(String destination,
String name, String instruction,String[] prompt,
boolean[] echo){
panel = new JPanel();
panel.setLayout(new GridBagLayout());
gbc.weightx = 1.0;
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.gridx = 0;
panel.add(new JLabel(instruction), gbc);
gbc.gridy++;
gbc.gridwidth = GridBagConstraints.RELATIVE;
JTextField[] texts=new JTextField[prompt.length];
for(int i=0; i<prompt.length; i++){
gbc.fill = GridBagConstraints.NONE;
gbc.gridx = 0;
gbc.weightx = 1;
panel.add(new JLabel(prompt[i]),gbc);
gbc.gridx = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.weighty = 1;
if(echo[i]){
texts[i]=new JTextField(20);
} else{texts[i]=new JPasswordField(20);
}panel.add(texts[i], gbc);
gbc.gridy++;
}if(JOptionPane.showConfirmDialog(null, panel,
destination+": "+name,
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.QUESTION_MESSAGE)
==JOptionPane.OK_OPTION){
String[] response=new String[prompt.length];
for(int i=0; i<prompt.length; i++){
response[i]=texts[i].getText();
}return response;
} else{ return null; // cancel
} } }}Valora esta pregunta
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