CuliMuli

package guiv2;

import com.jcraft.jsch.*;
import java.awt.*;
import javax.swing.*;
import java.io.*;
import java.util.Arrays;


/**
 *
 * @author VBykov
 */
public class Jcp {
    
  private static String  line ="";
  private static Boolean flag;
  private static int     count=0;
  private static String  sesHash;
  private static PrintStream pr = null;
  private static String lfile;
 
/**
 *
 * @author VBykov
 */
  public static void main(String[] arg){
    if(arg.length!=3){
      System.err.println("usage: java ScpFrom user@remotehost:fileFrom fileTo sessionHash");
      System.exit(-1);
    }      
    
    try{
      String user=arg[0].substring(0, arg[0].indexOf('@'));
      arg[0]=arg[0].substring(arg[0].indexOf('@')+1);
      String host=arg[0].substring(0, arg[0].indexOf(':'));
      String rfile=arg[0].substring(arg[0].indexOf(':')+1);
      lfile=arg[1];
      sesHash =arg[2];

      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();

      // exec 'scp -f rfile' remotely
      String command="scp -f "+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();

      byte[] buf=new byte[1024];
      
      // send '\0'
      buf[0]=0; out.write(buf, 0, 1); out.flush();

      while(true){
	int c=checkAck(in);
        if(c!='C'){
	  break;
	}

        // read '0644 '
        in.read(buf, 0, 5);

        long filesize=0L;
        while(true){
          if(in.read(buf, 0, 1)<0){
            // error
            break; 
          }
          if(buf[0]==' ')break;
          filesize=filesize*10L+(long)(buf[0]-'0');
        }

        String file=null;
        for(int i=0;;i++){
          in.read(buf, i, 1);
          if(buf[i]==(byte)0x0a){
            file=new String(buf, 0, i);
            break;
  	  }
        }

	//System.out.println("filesize="+filesize+", file="+file);

        // send '\0'
        buf[0]=0; out.write(buf, 0, 1); out.flush();

          int foo;
        while(true){
          if(buf.length<filesize) foo=buf.length;
	  else foo=(int)filesize;
          foo=in.read(buf, 0, foo);
          if(foo<0){
            // error 
            break;
          }
          bufSplit(buf);
                  
          filesize-=foo;
          if(filesize==0L) break;
        }
        
	if(checkAck(in)!=0){
	  System.exit(0);
	}

        // send '\0'
        buf[0]=0; out.write(buf, 0, 1); out.flush();
      }
      
      session.disconnect();
      System.exit(0);
     } catch(JSchException | IOException e){
      System.out.println(e);
     } finally{
        if(pr!=null){pr.close();}
     }
  }
//--------------------LineOutToFile--------------------
  static void bufSplit(byte[] buff) throws FileNotFoundException, UnsupportedEncodingException{
   for(int i=0;i<buff.length;i++){
     if(buff[i]==(byte)0x0A){
       line=line+new String(buff,0,i);  
        if (line.matches("\\d\\d\\d\\d-\\d\\d-\\d\\d \\d\\d:\\d\\d:\\d\\d,\\d\\d\\d.*")){ 
           flag= false;
          if (line.matches(".*"+sesHash+".*")){  //and with session-hash
            flag=true;
            if (pr!=null){pr.println();}
          } 
        }
    if (flag){   //copy into file until string will start from date without session-hash
     if (pr==null){
         pr=new  PrintStream("result.log","UTF-8");
     }
      pr.println(line); 
      pr.flush();
      count++;
    }
    line="";    
    buff=Arrays.copyOfRange(buff,i+1,buff.length);
    bufSplit(buff);
    return;
    }
   }
    if(buff.length<1024)line=new String(buff);
}
//---------------------------------------------------------  
  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
      }
    }
  }
}