/*
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* Copyright 2014 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.transport.ssh.gitblit;
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import java.io.IOException;
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import java.security.PublicKey;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.commons.codec.binary.Base64;
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import org.apache.sshd.common.util.Buffer;
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import org.kohsuke.args4j.Argument;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.gitblit.models.UserModel;
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import com.gitblit.transport.ssh.IPublicKeyManager;
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import com.gitblit.transport.ssh.commands.CommandMetaData;
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import com.gitblit.transport.ssh.commands.DispatchCommand;
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import com.gitblit.transport.ssh.commands.SshCommand;
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/**
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* The dispatcher and it's commands for SSH public key management.
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*
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* @author James Moger
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*
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*/
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@CommandMetaData(name = "keys", description = "SSH public key management commands")
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public class KeysDispatcher extends DispatchCommand {
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@Override
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protected void registerCommands(UserModel user) {
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registerCommand(user, AddKey.class);
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registerCommand(user, RemoveKey.class);
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registerCommand(user, ListKeys.class);
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}
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@CommandMetaData(name = "add", description = "Add an SSH public key to your account")
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public static class AddKey extends BaseKeyCommand {
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protected final Logger log = LoggerFactory.getLogger(getClass());
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@Argument(metaVar = "<stdin>|KEY", usage = "the key to add")
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private List<String> addKeys = new ArrayList<String>();
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@Override
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public void run() throws IOException, UnloggedFailure {
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String username = getContext().getClient().getUsername();
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List<String> keys = readKeys(addKeys);
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for (String key : keys) {
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getKeyManager().addKey(username, key);
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log.info("added SSH public key for {}", username);
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}
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}
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}
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@CommandMetaData(name = "remove", aliases = { "rm" }, description = "Remove an SSH public key from your account")
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public static class RemoveKey extends BaseKeyCommand {
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protected final Logger log = LoggerFactory.getLogger(getClass());
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private final String ALL = "ALL";
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@Argument(metaVar = "<stdin>|<KEY>|ALL", usage = "the key to remove")
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private List<String> removeKeys = new ArrayList<String>();
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@Override
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public void run() throws IOException, UnloggedFailure {
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String username = getContext().getClient().getUsername();
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List<String> keys = readKeys(removeKeys);
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if (keys.contains(ALL)) {
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getKeyManager().removeAllKeys(username);
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log.info("removed all SSH public keys from {}", username);
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} else {
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for (String key : keys) {
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getKeyManager().removeKey(username, key);
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log.info("removed SSH public key from {}", username);
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}
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}
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}
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}
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@CommandMetaData(name = "list", aliases = { "ls" }, description = "List your public keys")
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public static class ListKeys extends SshCommand {
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@Override
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public void run() {
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IPublicKeyManager keyManager = getContext().getGitblit().getPublicKeyManager();
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List<PublicKey> keys = keyManager.getKeys(getContext().getClient().getUsername());
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for (PublicKey key : keys) {
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// two-steps - perhaps this could be improved
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Buffer buf = new Buffer();
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// 1: identify the algorithm
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buf.putRawPublicKey(key);
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String alg = buf.getString();
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// 2: encode the key
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buf.clear();
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buf.putPublicKey(key);
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String b64 = Base64.encodeBase64String(buf.getBytes());
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stdout.println(alg + " " + b64);
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}
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}
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}
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}
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