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/*
* Copyright (C) 2008-2017, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.api;
import com.juick.User;
import com.juick.server.component.DisconnectedEvent;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.ApplicationListener;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.web.socket.client.WebSocketConnectionManager;
import rocks.xmpp.addr.Jid;
import rocks.xmpp.core.XmppException;
import rocks.xmpp.core.session.Extension;
import rocks.xmpp.core.session.XmppSessionConfiguration;
import rocks.xmpp.core.session.debug.LogbackDebugger;
import rocks.xmpp.core.stanza.model.Message;
import rocks.xmpp.extensions.component.accept.ExternalComponent;
import rocks.xmpp.extensions.oob.model.x.OobX;
import javax.annotation.Nonnull;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import java.net.URI;
import java.net.URISyntaxException;
/**
* @author Ugnich Anton
*/
public class ApiServer implements ApplicationListener<DisconnectedEvent>, AutoCloseable {
private static Logger logger = LoggerFactory.getLogger(ApiServer.class);
private ExternalComponent xmpp;
@Value("${xmpp_host:localhost}")
private String xmppHost;
@Value("${xmpp_password:secret}")
private String xmppPassword;
@Value("${xmpp_jid:api.localhost}")
private String xmppJid;
@Value("${xmpp_port:5347}")
private int xmppPort;
@Value("${xmpp_disabled:false}")
private boolean isXmppDisabled;
@Inject
private WebSocketConnectionManager webSocketConnectionManager;
@PostConstruct
public void init() {
if (!isXmppDisabled) {
setupXmppComponent(xmppHost, xmppPort, xmppJid, xmppPassword);
}
}
@Override
public void close() {
try {
if (xmpp != null)
xmpp.close();
logger.info("ExternalComponent on juick-api destroyed");
} catch (Exception e) {
logger.warn("Exception occurs on juick-api destroy", e);
}
}
public void setupXmppComponent(final String host, final int port, final String jid, final String password) {
XmppSessionConfiguration configuration = XmppSessionConfiguration.builder()
.debugger(LogbackDebugger.class)
.extensions(Extension.of(com.juick.Message.class))
.build();
xmpp = ExternalComponent.create(jid, password, configuration, host, port);
try {
xmpp.connect();
} catch (XmppException e) {
logger.warn("xmpp extension", e);
}
}
public void sendMessage(Message message) {
if (!isXmppDisabled) {
xmpp.sendMessage(message);
}
}
public void processMessage(User visitor, String body, String attachmentName) {
Message xmsg = new Message();
xmsg.setFrom(Jid.of(String.valueOf(visitor.getUid()), "uid.juick.com", "perl"));
xmsg.setTo(Jid.of("juick@juick.com/Juick"));
xmsg.setBody(body);
try {
if (StringUtils.isNotEmpty(attachmentName)) {
String attachmentUrl = String.format("juick://%s", attachmentName);
xmsg.addExtension(new OobX(new URI(attachmentUrl), "!!!!Juick!!"));
}
sendMessage(xmsg);
} catch (URISyntaxException e1) {
logger.warn("attachment error", e1);
}
}
@Scheduled(fixedRate = 60000)
public void reconnectWebsocket() {
if (!webSocketConnectionManager.isRunning()) {
logger.info("retrying...");
webSocketConnectionManager.stop();
webSocketConnectionManager.start();
}
}
@Override
public void onApplicationEvent(@Nonnull DisconnectedEvent event) {
reconnectWebsocket();
}
}
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