Merge remote-tracking branch 'rss/master'

2 files changed, 336 insertions, 0 deletions

diff --git a/src/main/java/com/juick/rss/Main.java b/src/main/java/com/juick/rss/Main.java
new file mode 100644
index 00000000..32e7ebae
--- /dev/null
+++ b/src/main/java/com/juick/rss/Main.java
@@ -0,0 +1,300 @@
+/*
+ * 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 org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+
+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;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @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"));
+            DriverManagerDataSource dataSource = new DriverManagerDataSource();
+            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 = Utils.parseInt(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 = Utils.parseInt(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().getUName() + "/" + msg.getMID() + "</link>");
+                out.println("<guid>http://juick.com/" + msg.getUser().getUName() + "/" + msg.getMID() + "</guid>");
+
+                out.print("<title><![CDATA[@" + msg.getUser().getUName() + ":");
+                if (!msg.Tags.isEmpty()) {
+                    for (int n = 0; n < msg.Tags.size(); n++) {
+                        out.print(" *" + msg.Tags.get(n));
+                    }
+                }
+                out.println("]]></title>");
+                out.println("<description><![CDATA[" + formatMessage(msg.getText()) + "]]></description>");
+
+                out.println("<pubDate>" + sdfRSS.format(msg.getDate()) + "</pubDate>");
+
+                out.println("<comments>http://juick.com/" + msg.getUser().getUName() + "/" + msg.getMID() + "</comments>");
+                if (!msg.Tags.isEmpty()) {
+                    for (int n = 0; n < msg.Tags.size(); n++) {
+                        out.println("<category>" + escapeHtml(msg.Tags.get(n)) + "</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).stream().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[" + 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);
+    }
+
+    private static Pattern regexLinks2 = Pattern.compile("((?<=\\s)|(?<=\\A))([\\[\\{]|&lt;)((?:ht|f)tps?://(?:www\\.)?([^\\/\\s\\\"\\)\\!]+)/?(?:[^\\]\\}](?<!&gt;))*)([\\]\\}]|&gt;)");
+
+    public static String escapeHtml(String input) {
+        return input.replaceAll("&", "&amp;").replaceAll("<", "&lt;").replaceAll(">", "&gt;");
+    }
+
+    public static String formatMessage(String msg) {
+        msg = escapeHtml(msg);
+
+        // --
+        // &mdash;
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))\\-\\-?((?=\\s)|(?=\\Z))", "$1&mdash;$2");
+
+        // http://juick.com/last?page=2
+        // <a href="http://juick.com/last?page=2" rel="nofollow">juick.com</a>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))((?:ht|f)tps?://(?:www\\.)?([^\\/\\s\\n\\\"]+)/?[^\\s\\n\\\"]*)", "$1<a href=\"$2\" rel=\"nofollow\">$3</a>");
+
+        // #12345
+        // <a href="http://juick.com/12345">#12345</a>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))#(\\d+)((?=\\s)|(?=\\Z)|(?=\\))|(?=\\.)|(?=\\,))", "$1<a href=\"http://juick.com/$2\">#$2</a>$3");
+
+        // #12345/65
+        // <a href="http://juick.com/12345#65">#12345/65</a>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))#(\\d+)/(\\d+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"http://juick.com/$2#$3\">#$2/$3</a>$4");
+
+        // *bold*
+        // <b>bold</b>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A)|(?<=\\p{Punct}))\\*([^\\*\\n<>]+)\\*((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<b>$2</b>$3");
+
+        // /italic/
+        // <i>italic</i>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))/([^\\/\\n<>]+)/((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<i>$2</i>$3");
+
+        // _underline_
+        // <span class="u">underline</span>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))_([^\\_\\n<>]+)_((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<span class=\"u\">$2</span>$3");
+
+        // /12
+        // <a href="#12">/12</a>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))\\/(\\d+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"#$2\">/$2</a>$3");
+
+        // @username@jabber.org
+        // <a href="http://juick.com/username@jabber.org/">@username@jabber.org</a>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))@([\\w\\-\\.]+@[\\w\\-\\.]+)((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"http://juick.com/$2/\">@$2</a>$3");
+
+        // @username
+        // <a href="http://juick.com/username/">@username</a>
+        msg = msg.replaceAll("((?<=\\s)|(?<=\\A))@([\\w\\-]{2,16})((?=\\s)|(?=\\Z)|(?=\\p{Punct}))", "$1<a href=\"http://juick.com/$2/\">@$2</a>$3");
+
+        // (http://juick.com/last?page=2)
+        // (<a href="http://juick.com/last?page=2" rel="nofollow">juick.com</a>)
+        Matcher m = regexLinks2.matcher(msg);
+        StringBuffer sb = new StringBuffer();
+        while (m.find()) {
+            String url = m.group(3).replace(" ", "%20").replaceAll("\\s+", "");
+            m.appendReplacement(sb, "$1$2<a href=\"" + url + "\" rel=\"nofollow\">$4</a>$5");
+        }
+        m.appendTail(sb);
+        msg = sb.toString();
+
+        // > citate
+        msg = msg.replaceAll("(?:(?<=\\n)|(?<=\\A))&gt; *(.*)?(\\n|(?=\\Z))", "<blockquote>$1</blockquote>");
+        msg = msg.replaceAll("</blockquote><blockquote>", "\n");
+
+        msg = msg.replaceAll("\n", "<br/>\n");
+        return msg;
+    }
+}
diff --git a/src/main/java/com/juick/rss/Utils.java b/src/main/java/com/juick/rss/Utils.java
new file mode 100644
index 00000000..036a5a6b
--- /dev/null
+++ b/src/main/java/com/juick/rss/Utils.java
@@ -0,0 +1,36 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2011, 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;
+
+/**
+ *
+ * @author ugnich
+ */
+public class Utils {
+
+    public static int parseInt(String str, int def) {
+        int ret = def;
+        if (str != null) {
+            try {
+                ret = Integer.parseInt(str);
+            } catch (Exception e) {
+            }
+        }
+        return ret;
+    }
+}