@Override
public Session connect(UserDetails userDetails, boolean verifyHostKey) throws Throwable {
ConnectionInfo connInfo =
ganymedConn.connect(
verifyHostKey
? new ServerHostKeyVerifier() {
@Override
public boolean verifyServerHostKey(
String hostname,
int port,
String serverHostKeyAlgorithm,
byte[] serverHostKey)
throws Exception {
if (_serverDetails.hostKey() == null) {
// no host key is stored locally.
return false;
}
if (!_serverDetails.host().equals(hostname)) {
// host name not equal
return false;
}
String algorithm = _serverDetails.hostKeyAlgorithm();
if (algorithm == null || !algorithm.equals(serverHostKeyAlgorithm)) {
// host key algorithm does not match
return false;
}
byte[] hostKey = _serverDetails.hostKeyBytes();
return Arrays.equals(hostKey, serverHostKey);
}
}
: null);
if (connInfo.serverHostKey != null && _serverDetails.hostKey() == null) {
_serverDetails.setHostKey(connInfo.serverHostKey);
}
boolean authenticated = false;
if (userDetails.password() == null && userDetails.privateKey() == null) {
throw new IllegalArgumentException(
"Expecting user password or private key. None is specified.");
}
if (userDetails.password() != null) {
authenticated =
ganymedConn.authenticateWithPassword(userDetails.username(), userDetails.password());
}
if (!authenticated && userDetails.privateKey() != null) {
authenticated =
ganymedConn.authenticateWithPublicKey(
userDetails.username(),
userDetails.privateKey().toCharArray(),
userDetails.passphrase());
}
if (!authenticated) {
throw new RuntimeException("Failed to authenticate user " + userDetails.username());
}
GanymedSession session = new GanymedSession(userDetails, this);
session.open();
return session;
}
@Override
public Object beginMultiple(Map<String, String> parameters) throws Throwable {
Params params = Params.parse(parameters);
ServerDetails serverDetails = params.serverDetails();
Connection conn = Ssh.get().getConnection(serverDetails);
Session session = conn.connect(params.userDetails(), serverDetails.hostKey() != null);
MultiTransferContext mctx = new MultiTransferContext(conn, session);
_mctxs.add(mctx);
return mctx;
}
public GanymedConnection(ServerDetails serverDetails) {
_serverDetails = serverDetails;
ganymedConn = new ch.ethz.ssh2.Connection(_serverDetails.host(), _serverDetails.port());
}