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