| /* |
| * Copyright (C) 2018, 2022 Thomas Wolf <thomas.wolf@paranor.ch> and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| package org.eclipse.jgit.internal.transport.sshd; |
| |
| import static org.apache.sshd.core.CoreModuleProperties.PASSWORD_PROMPTS; |
| |
| import org.apache.sshd.client.auth.password.UserAuthPassword; |
| import org.apache.sshd.client.session.ClientSession; |
| |
| /** |
| * A password authentication handler that respects the |
| * {@code NumberOfPasswordPrompts} ssh config. |
| */ |
| public class JGitPasswordAuthentication extends UserAuthPassword { |
| |
| private int maxAttempts; |
| |
| private int attempts; |
| |
| @Override |
| public void init(ClientSession session, String service) throws Exception { |
| super.init(session, service); |
| maxAttempts = Math.max(1, |
| PASSWORD_PROMPTS.getRequired(session).intValue()); |
| attempts = 0; |
| } |
| |
| @Override |
| protected String resolveAttemptedPassword(ClientSession session, |
| String service) throws Exception { |
| if (++attempts > maxAttempts) { |
| return null; |
| } |
| return super.resolveAttemptedPassword(session, service); |
| } |
| } |