| /* |
| * Copyright (C) 2015, Google Inc. 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.transport; |
| |
| import org.eclipse.jgit.lib.Config; |
| import org.eclipse.jgit.lib.Config.SectionParser; |
| |
| /** |
| * Configuration for server-side signed push verification. |
| * |
| * @since 4.1 |
| */ |
| public class SignedPushConfig { |
| /** Key for {@link Config#get(SectionParser)}. */ |
| public static final SectionParser<SignedPushConfig> KEY = |
| SignedPushConfig::new; |
| |
| private String certNonceSeed; |
| private int certNonceSlopLimit; |
| private NonceGenerator nonceGenerator; |
| |
| /** |
| * Create a new config with default values disabling push verification. |
| */ |
| public SignedPushConfig() { |
| } |
| |
| SignedPushConfig(Config cfg) { |
| setCertNonceSeed(cfg.getString("receive", null, "certnonceseed")); //$NON-NLS-1$ //$NON-NLS-2$ |
| certNonceSlopLimit = cfg.getInt("receive", "certnonceslop", 0); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| /** |
| * Set the seed used by the nonce verifier. |
| * <p> |
| * Setting this to a non-null value enables push certificate verification |
| * using the default |
| * {@link org.eclipse.jgit.transport.HMACSHA1NonceGenerator} implementation, |
| * if a different implementation was not set using |
| * {@link #setNonceGenerator(NonceGenerator)}. |
| * |
| * @param seed |
| * new seed value. |
| */ |
| public void setCertNonceSeed(String seed) { |
| certNonceSeed = seed; |
| } |
| |
| /** |
| * Get the configured seed. |
| * |
| * @return the configured seed. |
| */ |
| public String getCertNonceSeed() { |
| return certNonceSeed; |
| } |
| |
| /** |
| * Set the nonce slop limit. |
| * <p> |
| * Old but valid nonces within this limit will be accepted. |
| * |
| * @param limit |
| * new limit in seconds. |
| */ |
| public void setCertNonceSlopLimit(int limit) { |
| certNonceSlopLimit = limit; |
| } |
| |
| /** |
| * Get the configured nonce slop limit. |
| * |
| * @return the configured nonce slop limit. |
| */ |
| public int getCertNonceSlopLimit() { |
| return certNonceSlopLimit; |
| } |
| |
| /** |
| * Set the {@link org.eclipse.jgit.transport.NonceGenerator} used for signed |
| * pushes. |
| * <p> |
| * Setting this to a non-null value enables push certificate verification. |
| * If this method is called, this implementation will be used instead of the |
| * default {@link org.eclipse.jgit.transport.HMACSHA1NonceGenerator} even if |
| * {@link #setCertNonceSeed(String)} was called. |
| * |
| * @param generator |
| * new nonce generator. |
| */ |
| public void setNonceGenerator(NonceGenerator generator) { |
| nonceGenerator = generator; |
| } |
| |
| /** |
| * Get the {@link org.eclipse.jgit.transport.NonceGenerator} used for signed |
| * pushes. |
| * <p> |
| * If {@link #setNonceGenerator(NonceGenerator)} was used to set a non-null |
| * implementation, that will be returned. If no custom implementation was |
| * set but {@link #setCertNonceSeed(String)} was called, returns a |
| * newly-created {@link org.eclipse.jgit.transport.HMACSHA1NonceGenerator}. |
| * |
| * @return the configured nonce generator. |
| */ |
| public NonceGenerator getNonceGenerator() { |
| if (nonceGenerator != null) { |
| return nonceGenerator; |
| } else if (certNonceSeed != null) { |
| return new HMACSHA1NonceGenerator(certNonceSeed); |
| } |
| return null; |
| } |
| } |