| | |
| | | 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.kohsuke.args4j.Option; |
| | | import org.slf4j.Logger; |
| | | import org.slf4j.LoggerFactory; |
| | | |
| | | import com.gitblit.models.UserModel; |
| | | import com.gitblit.transport.ssh.IPublicKeyManager; |
| | | import com.gitblit.transport.ssh.SshKey; |
| | | import com.gitblit.transport.ssh.commands.CommandMetaData; |
| | | import com.gitblit.transport.ssh.commands.DispatchCommand; |
| | | import com.gitblit.transport.ssh.commands.SshCommand; |
| | | import com.gitblit.transport.ssh.commands.UsageExample; |
| | | import com.gitblit.utils.FlipTable; |
| | | import com.gitblit.utils.FlipTable.Borders; |
| | | import com.google.common.base.Joiner; |
| | | |
| | | /** |
| | | * The dispatcher and it's commands for SSH public key management. |
| | |
| | | public class KeysDispatcher extends DispatchCommand { |
| | | |
| | | @Override |
| | | protected void registerCommands(UserModel user) { |
| | | registerCommand(user, AddKey.class); |
| | | registerCommand(user, RemoveKey.class); |
| | | registerCommand(user, ListKeys.class); |
| | | protected void setup(UserModel user) { |
| | | register(user, AddKey.class); |
| | | register(user, RemoveKey.class); |
| | | register(user, ListKeys.class); |
| | | register(user, WhichKey.class); |
| | | register(user, CommentKey.class); |
| | | } |
| | | |
| | | @CommandMetaData(name = "add", description = "Add an SSH public key to your account") |
| | | @UsageExample(syntax = "cat ~/.ssh/id_rsa.pub | ${ssh} ${cmd} -", description = "Upload your SSH public key and add it to your account") |
| | | public static class AddKey extends BaseKeyCommand { |
| | | |
| | | protected final Logger log = LoggerFactory.getLogger(getClass()); |
| | | |
| | | @Argument(metaVar = "<stdin>|KEY", usage = "the key to add") |
| | | @Argument(metaVar = "-|<KEY>", usage = "the key(s) to add", required = true) |
| | | private List<String> addKeys = new ArrayList<String>(); |
| | | |
| | | @Override |
| | |
| | | String username = getContext().getClient().getUsername(); |
| | | List<String> keys = readKeys(addKeys); |
| | | for (String key : keys) { |
| | | getKeyManager().addKey(username, key); |
| | | SshKey sshKey = parseKey(key); |
| | | getKeyManager().addKey(username, sshKey); |
| | | log.info("added SSH public key for {}", username); |
| | | } |
| | | } |
| | | } |
| | | |
| | | @CommandMetaData(name = "remove", aliases = { "rm" }, description = "Remove an SSH public key from your account") |
| | | @UsageExample(syntax = "${cmd} 2", description = "Remove the SSH key identified as #2 in `keys list`") |
| | | 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") |
| | | @Argument(metaVar = "-|<INDEX>|<KEY>|ALL", usage = "the key to remove", required = true) |
| | | private List<String> removeKeys = new ArrayList<String>(); |
| | | |
| | | @Override |
| | | public void run() throws IOException, UnloggedFailure { |
| | | String username = getContext().getClient().getUsername(); |
| | | // remove a key that has been piped to the command |
| | | // or remove all keys |
| | | |
| | | List<SshKey> currentKeys = getKeyManager().getKeys(username); |
| | | if (currentKeys == null || currentKeys.isEmpty()) { |
| | | throw new UnloggedFailure(1, "There are no registered keys!"); |
| | | } |
| | | |
| | | List<String> keys = readKeys(removeKeys); |
| | | if (keys.contains(ALL)) { |
| | | getKeyManager().removeAllKeys(username); |
| | | log.info("removed all SSH public keys from {}", username); |
| | | if (getKeyManager().removeAllKeys(username)) { |
| | | stdout.println("Removed all keys."); |
| | | log.info("removed all SSH public keys from {}", username); |
| | | } else { |
| | | log.warn("failed to remove all SSH public keys from {}", username); |
| | | } |
| | | } else { |
| | | for (String key : keys) { |
| | | getKeyManager().removeKey(username, key); |
| | | log.info("removed SSH public key from {}", username); |
| | | try { |
| | | // remove a key by it's index (1-based indexing) |
| | | int index = Integer.parseInt(key); |
| | | if (index > keys.size()) { |
| | | if (keys.size() == 1) { |
| | | throw new UnloggedFailure(1, "Invalid index specified. There is only 1 registered key."); |
| | | } |
| | | throw new UnloggedFailure(1, String.format("Invalid index specified. There are %d registered keys.", keys.size())); |
| | | } |
| | | SshKey sshKey = currentKeys.get(index - 1); |
| | | if (getKeyManager().removeKey(username, sshKey)) { |
| | | stdout.println(String.format("Removed %s", sshKey.getFingerprint())); |
| | | } else { |
| | | throw new UnloggedFailure(1, String.format("failed to remove #%s: %s", key, sshKey.getFingerprint())); |
| | | } |
| | | } catch (Exception e) { |
| | | // remove key by raw key data |
| | | SshKey sshKey = parseKey(key); |
| | | if (getKeyManager().removeKey(username, sshKey)) { |
| | | stdout.println(String.format("Removed %s", sshKey.getFingerprint())); |
| | | log.info("removed SSH public key {} from {}", sshKey.getFingerprint(), username); |
| | | } else { |
| | | log.warn("failed to remove SSH public key {} from {}", sshKey.getFingerprint(), username); |
| | | throw new UnloggedFailure(1, String.format("failed to remove %s", sshKey.getFingerprint())); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | @CommandMetaData(name = "list", aliases = { "ls" }, description = "List your public keys") |
| | | @CommandMetaData(name = "list", aliases = { "ls" }, description = "List your registered SSH public keys") |
| | | public static class ListKeys extends SshCommand { |
| | | |
| | | @Option(name = "-L", usage = "list complete public key parameters") |
| | | private boolean showRaw; |
| | | |
| | | @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(); |
| | | List<SshKey> keys = keyManager.getKeys(username); |
| | | |
| | | // 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); |
| | | if (showRaw) { |
| | | asRaw(keys); |
| | | } else { |
| | | asTable(keys); |
| | | } |
| | | } |
| | | |
| | | /* output in the same format as authorized_keys */ |
| | | protected void asRaw(List<SshKey> keys) { |
| | | if (keys == null) { |
| | | return; |
| | | } |
| | | for (SshKey key : keys) { |
| | | stdout.println(key.getRawData()); |
| | | } |
| | | } |
| | | |
| | | protected void asTable(List<SshKey> keys) { |
| | | String[] headers = { "#", "Fingerprint", "Comment", "Type" }; |
| | | int len = keys == null ? 0 : keys.size(); |
| | | Object[][] data = new Object[len][]; |
| | | for (int i = 0; i < len; i++) { |
| | | // show 1-based index numbers with the fingerprint |
| | | // this is useful for comparing with "ssh-add -l" |
| | | SshKey k = keys.get(i); |
| | | data[i] = new Object[] { (i + 1), k.getFingerprint(), k.getComment(), k.getAlgorithm() }; |
| | | } |
| | | |
| | | stdout.println(FlipTable.of(headers, data, Borders.BODY_HCOLS)); |
| | | } |
| | | } |
| | | |
| | | @CommandMetaData(name = "which", description = "Display the SSH public key used for this session") |
| | | public static class WhichKey extends SshCommand { |
| | | |
| | | @Option(name = "-L", usage = "list complete public key parameters") |
| | | private boolean showRaw; |
| | | |
| | | @Override |
| | | public void run() throws UnloggedFailure { |
| | | SshKey key = getContext().getClient().getKey(); |
| | | if (key == null) { |
| | | throw new UnloggedFailure(1, "You have not authenticated with an SSH public key."); |
| | | } |
| | | |
| | | if (showRaw) { |
| | | stdout.println(key.getRawData()); |
| | | } else { |
| | | final String username = getContext().getClient().getUsername(); |
| | | List<SshKey> keys = getContext().getGitblit().getPublicKeyManager().getKeys(username); |
| | | int index = 0; |
| | | for (int i = 0; i < keys.size(); i++) { |
| | | if (key.equals(keys.get(i))) { |
| | | index = i + 1; |
| | | break; |
| | | } |
| | | } |
| | | asTable(index, key); |
| | | } |
| | | } |
| | | |
| | | protected void asTable(int index, SshKey key) { |
| | | String[] headers = { "#", "Fingerprint", "Comment", "Type" }; |
| | | Object[][] data = new Object[1][]; |
| | | data[0] = new Object[] { index, key.getFingerprint(), key.getComment(), key.getAlgorithm() }; |
| | | |
| | | stdout.println(FlipTable.of(headers, data, Borders.BODY_HCOLS)); |
| | | } |
| | | } |
| | | |
| | | @CommandMetaData(name = "comment", description = "Set the comment for an SSH public key") |
| | | @UsageExample(syntax = "${cmd} 3 Home workstation", description = "Set the comment for key #3") |
| | | public static class CommentKey extends SshCommand { |
| | | |
| | | @Argument(index = 0, metaVar = "INDEX", usage = "the key index", required = true) |
| | | private int index; |
| | | |
| | | @Argument(index = 1, metaVar = "COMMENT", usage = "the new comment", required = true) |
| | | private List<String> values = new ArrayList<String>(); |
| | | |
| | | @Override |
| | | public void run() throws UnloggedFailure { |
| | | final String username = getContext().getClient().getUsername(); |
| | | IPublicKeyManager keyManager = getContext().getGitblit().getPublicKeyManager(); |
| | | List<SshKey> keys = keyManager.getKeys(username); |
| | | if (index > keys.size()) { |
| | | throw new UnloggedFailure(1, "Invalid key index!"); |
| | | } |
| | | |
| | | String comment = Joiner.on(" ").join(values); |
| | | SshKey key = keys.get(index - 1); |
| | | key.setComment(comment); |
| | | if (keyManager.addKey(username, key)) { |
| | | stdout.println(String.format("Updated the comment for key #%d.", index)); |
| | | } else { |
| | | throw new UnloggedFailure(1, String.format("Failed to update the comment for key #%d!", index)); |
| | | } |
| | | } |
| | | |
| | | } |
| | | } |