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279 lines
12 KiB
279 lines
12 KiB
// Wiki.java
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// -----------------------
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// part of the AnomicHTTPD caching proxy
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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// last major change: 01.07.2003
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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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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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// Contains contributions from Alexander Schier [AS]
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// and Marc Nause [MN]
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// You must compile this file with
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// javac -classpath .:../classes Wiki.java
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// if the shell's current path is HTROOT
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.text.SimpleDateFormat;
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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.Diff;
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import de.anomic.data.wikiBoard;
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import de.anomic.http.httpHeader;
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import de.anomic.plasma.plasmaSwitchboard;
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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.yacyCore;
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import de.anomic.yacy.yacyNewsRecord;
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public class Wiki {
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//private static String ListLevel = "";
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//private static String numListLevel = "";
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private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
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public static String dateString(Date date) {
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return SimpleFormatter.format(date);
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}
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) throws IOException {
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plasmaSwitchboard switchboard = (plasmaSwitchboard) env;
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serverObjects prop = new serverObjects();
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if (post == null) {
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post = new serverObjects();
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post.put("page", "start");
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}
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String access = switchboard.getConfig("WikiAccess", "admin");
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String pagename = post.get("page", "start");
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String ip = post.get("CLIENTIP", "127.0.0.1");
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String author = post.get("author", "anonymous");
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if (author.equals("anonymous")) {
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author = wikiBoard.guessAuthor(ip);
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if (author == null) {
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if (de.anomic.yacy.yacyCore.seedDB.mySeed == null) author = "anonymous";
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else author = de.anomic.yacy.yacyCore.seedDB.mySeed.get("Name", "anonymous");
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}
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}
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if (post.containsKey("access")) {
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// only the administrator may change the access right
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if (!switchboard.verifyAuthentication(header, true)) {
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// check access right for admin
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prop.put("AUTHENTICATE", "admin log-in"); // force log-in
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return prop;
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}
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access = post.get("access", "admin");
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switchboard.setConfig("WikiAccess", access);
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}
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if (access.equals("admin")) prop.put("mode_access", 0);
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if (access.equals("all")) prop.put("mode_access", 1);
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wikiBoard.entry page = switchboard.wikiDB.read(pagename);
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if (post.containsKey("submit")) {
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if ((access.equals("admin") && (!switchboard.verifyAuthentication(header, true)))) {
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// check access right for admin
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prop.put("AUTHENTICATE", "admin log-in"); // force log-in
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return prop;
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}
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// store a new page
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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 (UnsupportedEncodingException e) {
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content = post.get("content", "").getBytes();
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}
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wikiBoard.entry newEntry = switchboard.wikiDB.newEntry(pagename, author, ip, post.get("reason", "edit"), content);
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switchboard.wikiDB.write(newEntry);
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// create a news message
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HashMap map = new HashMap();
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map.put("page", pagename);
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map.put("author", author.replace(',', ' '));
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if (post.get("content", "").trim().length() > 0 && !page.page().equals(content))
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yacyCore.newsPool.publishMyNews(new yacyNewsRecord("wiki_upd", map));
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page = newEntry;
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prop.put("LOCATION", "/Wiki.html?page=" + pagename);
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}
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if (post.containsKey("edit")) {
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if ((access.equals("admin") && (!switchboard.verifyAuthentication(header, true)))) {
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// check access right for admin
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prop.put("AUTHENTICATE", "admin log-in"); // force log-in
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return prop;
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}
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// edit the page
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try {
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prop.put("mode", 1); //edit
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prop.put("mode_author", author);
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prop.put("mode_page-code", new String(page.page(), "UTF-8"));
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prop.put("mode_pagename", pagename);
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} catch (UnsupportedEncodingException e) {}
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}
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//contributed by [MN]
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else if (post.containsKey("preview")) {
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// preview the page
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prop.put("mode", 2);//preview
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prop.put("mode_pagename", pagename);
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prop.put("mode_author", author);
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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.put("mode_page-code", post.get("content", ""));
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}
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//end contrib of [MN]
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else if (post.containsKey("index")) {
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// view an index
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prop.put("mode", 3); //Index
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String subject;
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try {
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Iterator i = switchboard.wikiDB.keys(true);
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wikiBoard.entry entry;
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int count=0;
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while (i.hasNext()) {
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subject = (String) i.next();
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entry = switchboard.wikiDB.read(subject);
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prop.put("mode_pages_"+count+"_name",wikiBoard.webalize(subject));
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prop.put("mode_pages_"+count+"_subject", subject);
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prop.put("mode_pages_"+count+"_date", dateString(entry.date()));
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prop.put("mode_pages_"+count+"_author", entry.author());
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count++;
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}
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prop.put("mode_pages", count);
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} catch (IOException e) {
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prop.put("mode_error", 1); //IO Error reading Wiki
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prop.put("mode_error_message", e.getMessage());
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}
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prop.put("mode_pagename", pagename);
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}
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else if (post.containsKey("diff")) {
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// Diff
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prop.put("mode", 4);
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prop.put("mode_page", pagename);
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prop.put("mode_error_page", pagename);
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try {
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Iterator it = switchboard.wikiDB.keysBkp(true);
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wikiBoard.entry entry;
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wikiBoard.entry oentry = null;
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wikiBoard.entry nentry = null;
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int count = 0;
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boolean oldselected = false, newselected = false;
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while (it.hasNext()) {
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entry = switchboard.wikiDB.readBkp((String)it.next());
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prop.put("mode_error_versions_" + count + "_date", wikiBoard.dateString(entry.date()));
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prop.put("mode_error_versions_" + count + "_fdate", dateString(entry.date()));
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if (wikiBoard.dateString(entry.date()).equals(post.get("old", null))) {
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prop.put("mode_error_versions_" + count + "_oldselected", 1);
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oentry = entry;
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oldselected = true;
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} else if (wikiBoard.dateString(entry.date()).equals(post.get("new", null))) {
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prop.put("mode_error_versions_" + count + "_newselected", 1);
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nentry = entry;
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newselected = true;
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}
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count++;
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}
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count--; // don't show current version
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if (!oldselected) // select latest old entry
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prop.put("mode_error_versions_" + (count - 1) + "_oldselected", 1);
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if (!newselected) // select latest new entry (== current)
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prop.put("mode_error_curselected", 1);
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if (count == 0) {
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prop.put("mode_error", 2); // no entries found
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} else {
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prop.put("mode_error_versions", count);
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}
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entry = switchboard.wikiDB.read(pagename);
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if (entry != null) {
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prop.put("mode_error_curdate", wikiBoard.dateString(entry.date()));
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prop.put("mode_error_curfdate", dateString(entry.date()));
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}
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if (nentry == null) nentry = entry;
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if (post.containsKey("compare") && oentry != null && nentry != null) {
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// TODO: split into paragraphs and compare them with the same diff-algo
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Diff diff = new Diff(
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new String(oentry.page(), "UTF-8"),
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new String(nentry.page(), "UTF-8"), 3);
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prop.putASIS("mode_versioning_diff", Diff.toHTML(new Diff[] { diff }));
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prop.put("mode_versioning", 1);
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} else if (post.containsKey("viewold") && oentry != null) {
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prop.put("mode_versioning", 2);
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prop.put("mode_versioning_pagename", pagename);
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prop.put("mode_versioning_author", oentry.author());
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prop.put("mode_versioning_date", dateString(oentry.date()));
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prop.putWiki("mode_versioning_page", oentry.page());
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prop.put("mode_versioning_page-code", new String(oentry.page(), "UTF-8"));
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}
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} catch (IOException e) {
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prop.put("mode_error", 1); //IO Error reading Wiki
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prop.put("mode_error_message", e.getMessage());
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}
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}
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else {
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// show page
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prop.put("mode", 0); //viewing
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prop.put("mode_pagename", pagename);
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prop.put("mode_author", page.author());
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prop.put("mode_date", dateString(page.date()));
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prop.putWiki("mode_page", page.page());
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prop.put("controls", 0);
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prop.put("controls_pagename", pagename);
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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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}
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