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373 lines
15 KiB
373 lines
15 KiB
// Blog.java
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// -----------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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// This File is contributed by Jan Sandbrink
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// Contains contributions from Marc Nause [MN]
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//
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//$LastChangedDate$
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//$LastChangedRevision$
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//$LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// You must compile this file with
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// javac -classpath .:../classes Blog.java
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// if the shell's current path is HTROOT
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import java.io.UnsupportedEncodingException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Iterator;
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import de.anomic.data.blogBoard;
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import de.anomic.data.userDB;
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import de.anomic.http.metadata.HeaderFramework;
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import de.anomic.http.metadata.RequestHeader;
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import de.anomic.kelondro.util.DateFormatter;
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import de.anomic.search.Switchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacyNewsPool;
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import de.anomic.yacy.yacyNewsRecord;
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public class Blog {
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private static final String DEFAULT_PAGE = "blog_default";
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private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
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// TODO: make userdefined date/time-strings (localisation)
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public static String dateString(final Date date) {
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return SimpleFormatter.format(date);
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}
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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blogBoard.BlogEntry page = null;
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boolean hasRights = sb.verifyAuthentication(header, true);
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//final int display = (hasRights || post == null) ? 1 : post.getInt("display", 0);
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//prop.put("display", display);
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prop.put("display", 1); // Fixed to 1
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final boolean xml = (header.get(HeaderFramework.CONNECTION_PROP_PATH)).endsWith(".xml");
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final String address = sb.peers.mySeed().getPublicAddress();
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if(hasRights) {
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prop.put("mode_admin", "1");
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} else {
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prop.put("mode_admin", "0");
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}
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if (post == null) {
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prop.putHTML("peername", sb.peers.mySeed().getName());
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prop.put("address", address);
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return putBlogDefault(prop, sb, address, 0, 10, hasRights, xml);
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}
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final int start = post.getInt("start",0); //indicates from where entries should be shown
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final int num = post.getInt("num",10); //indicates how many entries should be shown
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if(!hasRights){
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final userDB.Entry userentry = sb.userDB.proxyAuth(header.get(RequestHeader.AUTHORIZATION, "xxxxxx"));
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if(userentry != null && userentry.hasRight(userDB.Entry.BLOG_RIGHT)){
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hasRights=true;
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} else if(post.containsKey("login")) {
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//opens login window if login link is clicked - contrib [MN]
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prop.put("AUTHENTICATE","admin log-in");
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}
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}
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String pagename = post.get("page", DEFAULT_PAGE);
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final String ip = header.get(HeaderFramework.CONNECTION_PROP_CLIENTIP, "127.0.0.1");
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String StrAuthor = post.get("author", "");
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if (StrAuthor.equals("anonymous")) {
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StrAuthor = sb.blogDB.guessAuthor(ip);
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if (StrAuthor == null || StrAuthor.length() == 0) {
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if (sb.peers.mySeed() == null) {
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StrAuthor = "anonymous";
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} else {
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StrAuthor = sb.peers.mySeed().get("Name", "anonymous");
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}
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}
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}
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byte[] author;
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try {
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author = StrAuthor.getBytes("UTF-8");
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} catch (final UnsupportedEncodingException e) {
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author = StrAuthor.getBytes();
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}
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if(hasRights && post.containsKey("delete") && post.get("delete").equals("sure")) {
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page = sb.blogDB.readBlogEntry(pagename);
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final Iterator<String> i = page.getComments().iterator();
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while(i.hasNext()) {
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sb.blogCommentDB.delete(i.next());
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}
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sb.blogDB.deleteBlogEntry(pagename);
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pagename = DEFAULT_PAGE;
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}
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if (post.containsKey("discard")) {
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pagename = DEFAULT_PAGE;
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}
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if (post.containsKey("submit") && (hasRights)) {
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// store a new/edited blog-entry
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byte[] content;
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try {
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content = post.get("content", "").getBytes("UTF-8");
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} catch (final UnsupportedEncodingException e) {
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content = post.get("content", "").getBytes();
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}
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Date date = null;
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ArrayList<String> comments = null;
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//set name for new entry or date for old entry
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if(pagename.equals(DEFAULT_PAGE)) {
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pagename = String.valueOf(System.currentTimeMillis());
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} else {
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page = sb.blogDB.readBlogEntry(pagename);
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comments = page.getComments();
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date = page.getDate();
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}
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final String commentMode = post.get("commentMode", "2");
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final String StrSubject = post.get("subject", "");
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byte[] subject;
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try {
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subject = StrSubject.getBytes("UTF-8");
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} catch (final UnsupportedEncodingException e) {
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subject = StrSubject.getBytes();
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}
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sb.blogDB.writeBlogEntry(sb.blogDB.newEntry(pagename, subject, author, ip, date, content, comments, commentMode));
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// create a news message
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final HashMap<String, String> map = new HashMap<String, String>();
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map.put("page", pagename);
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map.put("subject", StrSubject.replace(',', ' '));
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map.put("author", StrAuthor.replace(',', ' '));
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sb.peers.newsPool.publishMyNews(yacyNewsRecord.newRecord(sb.peers.mySeed(), yacyNewsPool.CATEGORY_BLOG_ADD, map));
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}
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page = sb.blogDB.readBlogEntry(pagename); //maybe "if(page == null)"
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if (post.containsKey("edit")) {
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//edit an entry
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if(hasRights) {
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try {
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prop.put("mode", "1"); //edit
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prop.put("mode_commentMode", page.getCommentMode());
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prop.putHTML("mode_author", new String(page.getAuthor(),"UTF-8"));
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prop.put("mode_pageid", page.getKey());
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prop.putHTML("mode_subject", new String(page.getSubject(), "UTF-8"));
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prop.put("mode_page-code", new String(page.getPage(), "UTF-8"));
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} catch (final UnsupportedEncodingException e) {}
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}
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else {
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prop.put("mode", "3"); //access denied (no rights)
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}
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}
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else if(post.containsKey("preview")) {
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//preview the page
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if(hasRights) {
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prop.put("mode", "2");//preview
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prop.put("mode_commentMode", post.getInt("commentMode", 2));
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prop.putHTML("mode_pageid", pagename);
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try {
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prop.putHTML("mode_author", new String(author, "UTF-8"));
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} catch (final UnsupportedEncodingException e) {
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prop.putHTML("mode_author", new String(author));
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}
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prop.putHTML("mode_subject", post.get("subject",""));
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prop.put("mode_date", dateString(new Date()));
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prop.putWiki("mode_page", post.get("content", ""));
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prop.putHTML("mode_page-code", post.get("content", ""));
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}
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else {
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prop.put("mode", "3"); //access denied (no rights)
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}
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}
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else if(post.get("delete", "").equals("try")) {
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if(hasRights) {
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prop.put("mode", "4");
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prop.putHTML("mode_pageid", pagename);
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try {
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prop.putHTML("mode_author",new String(page.getAuthor(), "UTF-8"));
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} catch (final UnsupportedEncodingException e) {
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prop.putHTML("mode_author",new String(page.getAuthor()));
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}
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try {
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prop.putHTML("mode_subject",new String(page.getSubject(),"UTF-8"));
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} catch (final UnsupportedEncodingException e) {
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prop.putHTML("mode_subject",new String(page.getSubject()));
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}
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}
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else prop.put("mode", "3"); //access denied (no rights)
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}
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else if (post.containsKey("import")) {
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prop.put("mode", "5");
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prop.put("mode_state", "0");
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}
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else if (post.containsKey("xmlfile")) {
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prop.put("mode", "5");
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if(sb.blogDB.importXML(post.get("xmlfile$file"))) {
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prop.put("mode_state", "1");
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}
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else {
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prop.put("mode_state", "2");
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}
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}
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else {
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// show blog-entry/entries
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prop.put("mode", "0"); //viewing
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if(pagename.equals(DEFAULT_PAGE)) {
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// XXX: where are "peername" and "address" used in the template?
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// XXX: "clientname" is already set to the peername, no need for a new setting
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prop.putHTML("peername", sb.peers.mySeed().getName());
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prop.put("address", address);
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//index all entries
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putBlogDefault(prop, sb, address, start, num, hasRights, xml);
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}
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else {
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//only show 1 entry
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prop.put("mode_entries", "1");
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putBlogEntry(prop, page, address, 0, hasRights, xml);
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}
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}
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// return rewrite properties
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return prop;
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}
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private static serverObjects putBlogDefault(
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final serverObjects prop,
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final Switchboard switchboard,
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final String address,
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int start,
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int num,
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final boolean hasRights,
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final boolean xml)
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{
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final Iterator<String> i = switchboard.blogDB.getBlogIterator(false);
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String pageid;
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int count = 0; //counts how many entries are shown to the user
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if(xml) num = 0;
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final int nextstart = start+num; //indicates the starting offset for next results
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int prevstart = start-num; //indicates the starting offset for previous results
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boolean prev = false; //indicates if there were previous comments to the ones that are dispalyed
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if (start > 0) prev = true;
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while(i.hasNext() && (num == 0 || num > count)) {
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pageid = i.next();
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if(0 < start--) continue;
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putBlogEntry(
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prop,
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switchboard.blogDB.readBlogEntry(pageid),
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address,
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count++,
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hasRights,
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xml);
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}
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prop.put("mode_entries", count);
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if(i.hasNext()) {
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prop.put("mode_moreentries", "1"); //more entries are availible
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prop.put("mode_moreentries_start", nextstart);
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prop.put("mode_moreentries_num", num);
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} else {
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prop.put("moreentries", "0");
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}
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if(prev) {
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prop.put("mode_preventries", "1");
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if (prevstart < 0) prevstart = 0;
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prop.put("mode_preventries_start", prevstart);
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prop.put("mode_preventries_num", num);
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} else prop.put("mode_preventries", "0");
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return prop;
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}
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private static serverObjects putBlogEntry(
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final serverObjects prop,
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final blogBoard.BlogEntry entry,
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final String address,
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final int number,
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final boolean hasRights,
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final boolean xml)
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{
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// subject
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try {
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prop.putHTML("mode_entries_" + number + "_subject", new String(entry.getSubject(),"UTF-8"));
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} catch (final UnsupportedEncodingException e) {
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prop.putHTML("mode_entries_" + number + "_subject", new String(entry.getSubject()));
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}
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// author
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try {
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prop.putHTML("mode_entries_" + number + "_author", new String(entry.getAuthor(),"UTF-8"));
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} catch (final UnsupportedEncodingException e) {
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prop.putHTML("mode_entries_" + number + "_author", new String(entry.getAuthor()));
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}
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// comments
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if(entry.getCommentMode() == 0) {
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prop.put("mode_entries_" + number + "_commentsactive", "0");
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} else {
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prop.put("mode_entries_" + number + "_commentsactive", "1");
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prop.put("mode_entries_" + number + "_commentsactive_pageid", entry.getKey());
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prop.put("mode_entries_" + number + "_commentsactive_address", address);
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prop.put("mode_entries_" + number + "_commentsactive_comments", entry.getCommentsSize());
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}
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prop.put("mode_entries_" + number + "_date", dateString(entry.getDate()));
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prop.put("mode_entries_" + number + "_rfc822date", DateFormatter.formatRFC1123(entry.getDate()));
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prop.put("mode_entries_" + number + "_pageid", entry.getKey());
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prop.put("mode_entries_" + number + "_address", address);
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prop.put("mode_entries_" + number + "_ip", entry.getIp());
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if(xml) {
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prop.put("mode_entries_" + number + "_page", entry.getPage());
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prop.put("mode_entries_" + number + "_timestamp", entry.getTimestamp());
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} else {
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prop.putWiki("mode_entries_" + number + "_page", entry.getPage());
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}
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if(hasRights) {
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prop.put("mode_entries_" + number + "_admin", "1");
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prop.put("mode_entries_" + number + "_admin_pageid",entry.getKey());
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} else {
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prop.put("mode_entries_" + number + "_admin", "0");
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}
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return prop;
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}
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}
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