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/*
* Juick
* Copyright (C) 2008-2013, ugnich
*
* 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.rss;
import com.juick.Message;
import com.juick.server.MessagesQueries;
import com.juick.server.UserQueries;
import com.juick.util.MessageUtils;
import org.apache.commons.dbcp2.BasicDataSource;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.springframework.jdbc.core.JdbcTemplate;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Properties;
/**
* @author ugnich
*/
@WebServlet(name = "Main", urlPatterns = {"/"})
public class Main extends HttpServlet {
private static final SimpleDateFormat sdfRSS = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z");
JdbcTemplate sql;
@Override
public void init() throws ServletException {
super.init();
try {
Properties conf = new Properties();
conf.load(getServletContext().getResourceAsStream("/WEB-INF/juick.conf"));
BasicDataSource dataSource = new BasicDataSource();
dataSource.setDriverClassName(conf.getProperty("datasource_driver", "com.mysql.jdbc.Driver"));
dataSource.setUrl(conf.getProperty("datasource_url"));
sql = new JdbcTemplate(dataSource);
} catch (Exception e) {
log(null, e);
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
if (request.getCharacterEncoding() == null) {
request.setCharacterEncoding("UTF-8");
}
String uri = request.getRequestURI();
if (uri.equals("/")) {
int hours = NumberUtils.toInt(request.getParameter("hours"), 0);
if (hours > 0 && hours < 13) {
List<Integer> mids = getLastMessages(hours);
List<Message> msgs = MessagesQueries.getMessages(sql, mids);
responseMessages(response, 0, null, msgs);
} else {
response.sendError(404);
}
} else if (uri.equals("/comments")) {
int hours = NumberUtils.toInt(request.getParameter("hours"), 0);
if (hours > 0 && hours < 13) {
responseReplies(response, hours);
} else {
response.sendError(404);
}
} else if (uri.matches("^/[a-zA-Z0-9\\-]{2,16}/blog$")) {
String uname = uri.substring(1, uri.length() - 5);
int uid = UserQueries.getUIDbyName(sql, uname);
if (uid > 0) {
List<Integer> mids = MessagesQueries.getUserBlog(sql, uid, 0, 0);
if (!mids.isEmpty()) {
List<Message> msgs = MessagesQueries.getMessages(sql, mids);
responseMessages(response, uid, uname, msgs);
} else {
response.sendError(404);
}
} else {
response.sendError(404);
}
} else {
response.sendError(404);
}
}
private void responseMessages(HttpServletResponse response, int uid, String uname, List<Message> msgs) throws IOException {
response.setContentType("application/rss+xml; charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
out.println("<?xml version='1.0' encoding='utf-8'?>");
out.println("<rss version='2.0' xmlns:atom='http://www.w3.org/2005/Atom' xmlns:slash='http://purl.org/rss/1.0/modules/slash/' xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#' xmlns:media='http://search.yahoo.com/mrss/' xmlns:juick='http://juick.com/'>");
out.println("<channel>");
if (uid > 0) {
out.println("<atom:link href='http://rss.juick.com/" + uname + "/blog' rel='self' type='application/rss+xml'/>");
out.println("<title>" + uname + " - Juick</title>");
out.println("<link>http://juick.com/" + uname + "/</link>");
out.println("<description>The latest messages by @" + uname + " at Juick</description>");
out.println("<image><url>http://i.juick.com/a/" + uid + ".png</url><title>" + uname + " - Juick</title><link>http://juick.com/" + uname + "/</link></image>");
} else {
out.println("<title>Juick</title>");
out.println("<link>http://juick.com/</link>");
out.println("<description>The latest messages at Juick</description>");
}
for (Message msg : msgs) {
out.println("<item>");
out.println("<link>http://juick.com/" + msg.getUser().getName() + "/" + msg.getMid() + "</link>");
out.println("<guid>http://juick.com/" + msg.getUser().getName() + "/" + msg.getMid() + "</guid>");
out.print("<title><![CDATA[@" + msg.getUser().getName() + ":");
if (!msg.getTags().isEmpty()) {
for (int n = 0; n < msg.getTags().size(); n++) {
out.print(" *" + msg.getTags().get(n));
}
}
out.println("]]></title>");
out.println("<description><![CDATA[" + MessageUtils.formatMessage(msg.getText()) + "]]></description>");
out.println("<pubDate>" + sdfRSS.format(msg.getDate()) + "</pubDate>");
out.println("<comments>http://juick.com/" + msg.getUser().getName() + "/" + msg.getMid() + "</comments>");
if (!msg.getTags().isEmpty()) {
for (int n = 0; n < msg.getTags().size(); n++) {
out.println("<category>" + StringEscapeUtils.escapeHtml4(msg.getTags().get(n).getName()) + "</category>");
}
}
if (msg.AttachmentType != null) {
if (msg.AttachmentType.equals("jpg")) {
out.println("<media:content url='http://i.juick.com/photos-1024/" + msg.getMid() + ".jpg' type='image/jpeg'/>");
out.println("<media:thumbnail url='http://i.juick.com/ps/" + msg.getMid() + ".jpg'/>");
} else if (msg.AttachmentType.equals("png")) {
out.println("<media:content url='http://i.juick.com/photos-1024/" + msg.getMid() + ".png' type='image/png'/>");
out.println("<media:thumbnail url='http://i.juick.com/ps/" + msg.getMid() + ".png'/>");
}
}
out.println("<juick:user uid='" + msg.getUser().getUid() + "'/>");
out.println("</item>");
}
out.println("</channel></rss>");
}
}
private class ResponseReply {
String muname;
int mid;
int rid;
String uname;
String description;
Date pubDate;
String attachmentType;
}
private void responseReplies(HttpServletResponse response, int hours) throws IOException {
response.setContentType("application/rss+xml; charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
out.println("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
out.println("<rss version=\"2.0\" xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\" xmlns:ya=\"http://blogs.yandex.ru/yarss/\" xmlns:media=\"http://search.yahoo.com/mrss/\">");
out.println("<channel>");
out.println("<title>Juick</title>");
out.println("<link>http://juick.com/</link>");
out.println("<description>The latest comments at Juick</description>");
sql.query("SELECT users2.nick,replies.message_id,replies.reply_id," +
"users.nick,replies.txt," +
"replies.ts,replies.attach,replies.ts+0 " +
"FROM ((replies INNER JOIN users ON replies.user_id=users.id) " +
"INNER JOIN messages ON replies.message_id=messages.message_id) " +
"INNER JOIN users AS users2 ON messages.user_id=users2.id " +
"WHERE replies.ts>TIMESTAMPADD(HOUR,?,NOW()) AND messages.privacy>0", (rs, rowNum) -> {
ResponseReply reply = new ResponseReply();
reply.muname = rs.getString(1);
reply.mid = rs.getInt(2);
reply.rid = rs.getInt(3);
reply.uname = rs.getString(4);
reply.description = rs.getString(5);
reply.pubDate = rs.getTimestamp(6);
reply.attachmentType = rs.getString(7);
return reply;
}, -hours).forEach(r -> {
out.println("<item>");
out.println("<ya:post>http://juick.com/" + r.muname + "/" + r.mid + "</ya:post>");
out.println("<link>http://juick.com/" + r.muname + "/" + r.mid + "#" + r.rid + "</link>");
out.println("<guid>http://juick.com/" + r.muname + "/" + r.mid + "#" + r.rid + "</guid>");
out.println("<author>http://juick.com/" + r.uname + "/</author>");
out.println("<title>@" + r.uname + ":</title>");
out.println("<description><![CDATA[" + MessageUtils.formatMessage(r.description) + "]]></description>");
out.println("<pubDate>" + sdfRSS.format(r.pubDate) + "</pubDate>");
String attachment = r.attachmentType;
if (attachment != null && !attachment.isEmpty()) {
if (attachment.equals("jpg")) {
out.println("<media:content url='http://i.juick.com/photos-1024/" + r.mid + "-" + r.rid + ".jpg' type='image/jpeg'/>");
out.println("<media:thumbnail url='http://i.juick.com/ps/" + r.mid + "-" + r.rid + ".jpg'/>");
} else if (attachment.equals("png")) {
out.println("<media:content url='http://i.juick.com/photos-1024/" + r.mid + "-" + r.rid + ".png' type='image/png'/>");
out.println("<media:thumbnail url='http://i.juick.com/ps/" + r.mid + "-" + r.rid + ".png'/>");
}
}
out.println("</item>");
});
out.println("</channel></rss>");
}
}
private List<Integer> getLastMessages(int hours) {
return sql.queryForList("SELECT message_id FROM messages WHERE messages.ts>TIMESTAMPADD(HOUR,?,NOW())",
Integer.class, -hours);
}
}
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