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/*
* Juick
* Copyright (C) 2008-2013, Ugnich Anton
*
* 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 org.apache.commons.lang3.BooleanUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.env.Environment;
import rocks.xmpp.core.XmppException;
import rocks.xmpp.core.session.Extension;
import rocks.xmpp.core.session.XmppSessionConfiguration;
import rocks.xmpp.extensions.component.accept.ExternalComponent;
import javax.annotation.PostConstruct;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
/**
* @author Ugnich Anton
*/
public class ApiServer implements AutoCloseable {
private static Logger logger = LoggerFactory.getLogger(ApiServer.class);
private ExternalComponent xmpp;
public String tmpDir;
public String imgDir;
private String xmppHost, xmppPassword, xmppJid;
private int xmppPort;
private boolean isXmppDisabled;
public ApiServer(Environment conf) {
tmpDir = conf.getProperty("upload_tmp_dir", "/var/www/juick.com/i/tmp/");
imgDir = conf.getProperty("img_path", "/var/www/juick.com/i/");
isXmppDisabled = BooleanUtils.toBoolean(conf.getProperty("xmpp_disabled"));
xmppHost = conf.getProperty("xmpp_host", "localhost");
xmppPort = NumberUtils.toInt(conf.getProperty("xmpp_port", "5347"), 5347);
xmppJid = conf.getProperty("xmpp_jid", "api.localhost");
xmppPassword = conf.getProperty("xmpp_password");
}
@PostConstruct
public void init() {
if (!isXmppDisabled) {
setupXmppComponent(xmppHost, xmppPort, xmppJid, xmppPassword);
}
}
@Override
public void close() {
try {
if (getXmpp() != null)
getXmpp().close();
logger.warn("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()
.extensions(Extension.of(com.juick.Message.class))
.build();
setXmpp(ExternalComponent.create(jid, password, configuration, host, port));
try {
getXmpp().connect();
} catch (XmppException e) {
logger.warn("xmpp extension", e);
}
}
public static void replyJSON(HttpServletRequest request, HttpServletResponse response, String json) throws IOException {
response.setContentType("application/json; charset=UTF-8");
response.setHeader("Access-Control-Allow-Origin", "*");
String callback = request.getParameter("callback");
if (callback != null && (callback.length() > 64 || !callback.matches("[a-zA-Z0-9\\-\\_]+"))) {
callback = null;
}
try (PrintWriter out = response.getWriter()) {
if (callback != null) {
out.print(callback + "(");
out.print(json);
out.print(")");
} else {
out.print(json);
}
}
}
public ExternalComponent getXmpp() {
return xmpp;
}
public void setXmpp(ExternalComponent xmpp) {
this.xmpp = xmpp;
}
}
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