/******************************************************************************
* Copyright © 2013-2016 The Nxt Core Developers. *
* *
* See the AUTHORS.txt, DEVELOPER-AGREEMENT.txt and LICENSE.txt files at *
* the top-level directory of this distribution for the individual copyright *
* holder information and the developer policies on copyright and licensing. *
* *
* Unless otherwise agreed in a custom licensing agreement, no part of the *
* Nxt software, including this file, may be copied, modified, propagated, *
* or distributed except according to the terms contained in the LICENSE.txt *
* file. *
* *
* Removal or modification of this copyright notice is prohibited. *
* *
******************************************************************************/
package nxt.peer;
import nxt.Nxt;
import nxt.util.Convert;
import nxt.util.JSON;
import nxt.util.Logger;
import org.json.simple.JSONObject;
import org.json.simple.JSONStreamAware;
final class GetInfo extends PeerServlet.PeerRequestHandler {
static final GetInfo instance = new GetInfo();
private static final JSONStreamAware INVALID_ANNOUNCED_ADDRESS;
static {
JSONObject response = new JSONObject();
response.put("error", Errors.INVALID_ANNOUNCED_ADDRESS);
INVALID_ANNOUNCED_ADDRESS = JSON.prepare(response);
}
private GetInfo() {}
@Override
JSONStreamAware processRequest(JSONObject request, Peer peer) {
PeerImpl peerImpl = (PeerImpl)peer;
peerImpl.setLastUpdated(Nxt.getEpochTime());
long origServices = peerImpl.getServices();
String servicesString = (String)request.get("services");
peerImpl.setServices(servicesString != null ? Long.parseUnsignedLong(servicesString) : 0);
peerImpl.analyzeHallmark((String)request.get("hallmark"));
if (!Peers.ignorePeerAnnouncedAddress) {
String announcedAddress = Convert.emptyToNull((String) request.get("announcedAddress"));
if (announcedAddress != null) {
announcedAddress = Peers.addressWithPort(announcedAddress.toLowerCase());
if (announcedAddress != null) {
if (!peerImpl.verifyAnnouncedAddress(announcedAddress)) {
Logger.logDebugMessage("GetInfo: ignoring invalid announced address for " + peerImpl.getHost());
if (!peerImpl.verifyAnnouncedAddress(peerImpl.getAnnouncedAddress())) {
Logger.logDebugMessage("GetInfo: old announced address for " + peerImpl.getHost() + " no longer valid");
Peers.setAnnouncedAddress(peerImpl, null);
}
peerImpl.setState(Peer.State.NON_CONNECTED);
return INVALID_ANNOUNCED_ADDRESS;
}
if (!announcedAddress.equals(peerImpl.getAnnouncedAddress())) {
Logger.logDebugMessage("GetInfo: peer " + peer.getHost() + " changed announced address from " + peer.getAnnouncedAddress() + " to " + announcedAddress);
int oldPort = peerImpl.getPort();
Peers.setAnnouncedAddress(peerImpl, announcedAddress);
if (peerImpl.getPort() != oldPort) {
// force checking connectivity to new announced port
peerImpl.setState(Peer.State.NON_CONNECTED);
}
}
} else {
Peers.setAnnouncedAddress(peerImpl, null);
}
}
}
String application = (String)request.get("application");
if (application == null) {
application = "?";
}
peerImpl.setApplication(application.trim());
String version = (String)request.get("version");
if (version == null) {
version = "?";
}
peerImpl.setVersion(version.trim());
String platform = (String)request.get("platform");
if (platform == null) {
platform = "?";
}
peerImpl.setPlatform(platform.trim());
peerImpl.setShareAddress(Boolean.TRUE.equals(request.get("shareAddress")));
peerImpl.setApiPort(request.get("apiPort"));
peerImpl.setApiSSLPort(request.get("apiSSLPort"));
if (peerImpl.getServices() != origServices) {
Peers.notifyListeners(peerImpl, Peers.Event.CHANGED_SERVICES);
}
return Peers.myPeerInfoResponse;
}
@Override
boolean rejectWhileDownloading() {
return false;
}
}