private void authenticate() {
try {
if (connection.authenticateWithNone(profile.getUser())) {
Log.d(TAG, "Authenticate with none");
return;
}
} catch (Exception e) {
Log.d(TAG, "Host does not support 'none' authentication.");
}
try {
if (connection.isAuthMethodAvailable(profile.getUser(), AUTH_PUBLICKEY)) {
File f = new File(profile.getKeyPath());
if (f.exists()) if (profile.getPassword().equals("")) profile.setPassword(null);
if (connection.authenticateWithPublicKey(profile.getUser(), f, profile.getPassword())) {
Log.d(TAG, "Authenticate with public key");
return;
}
}
} catch (Exception e) {
Log.d(TAG, "Host does not support 'Public key' authentication.");
}
try {
if (connection.isAuthMethodAvailable(profile.getUser(), AUTH_PASSWORD)) {
if (connection.authenticateWithPassword(profile.getUser(), profile.getPassword())) {
Log.d(TAG, "Authenticate with password");
return;
}
}
} catch (IllegalStateException e) {
Log.e(TAG, "Connection went away while we were trying to authenticate", e);
} catch (Exception e) {
Log.e(TAG, "Problem during handleAuthentication()", e);
}
// TODO: Need verification
try {
if (connection.isAuthMethodAvailable(profile.getUser(), AUTH_KEYBOARDINTERACTIVE)) {
if (connection.authenticateWithKeyboardInteractive(profile.getUser(), this)) return;
}
} catch (Exception e) {
Log.d(TAG, "Host does not support 'Keyboard-Interactive' authentication.");
}
}