com.sshtools.client.shell.ShellStartupPasswordTrigger Maven / Gradle / Ivy
package com.sshtools.client.shell;
/*-
* #%L
* Client API
* %%
* Copyright (C) 2002 - 2024 JADAPTIVE Limited
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import java.io.IOException;
public class ShellStartupPasswordTrigger implements ShellStartupTrigger {
String passwordPromptExpression;
String password;
ShellMatcher matcher;
public ShellStartupPasswordTrigger(String passwordPromptExpression, String password) {
this(passwordPromptExpression, password, new ShellDefaultMatcher());
}
public ShellStartupPasswordTrigger(String passwordPromptExpression, String password, ShellMatcher matcher) {
this.passwordPromptExpression = passwordPromptExpression;
this.password = password;
this.matcher = matcher;
}
public boolean canStartShell(String currentLine, ShellWriter writer) throws IOException {
switch(matcher.matches(currentLine, passwordPromptExpression)) {
case CONTENT_DOES_NOT_MATCH:
throw new IOException("Expected password prompt but content does not match");
case CONTENT_MATCHES:
writer.typeAndReturn(password);
return true;
default:
return false;
}
}
}