mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
01e0669264
and replaced old fist hash computation by new method that tries to find a gap in the current dht to do this, it is necessary that the network bootstraping is done before the own hash is computed this made further redesigns in peer initialization order necessary git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4117 6c8d7289-2bf4-0310-a012-ef5d649a1542
284 lines
13 KiB
Java
284 lines
13 KiB
Java
// 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.yacyNewsPool;
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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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final boolean authenticated = switchboard.adminAuthenticated(header) >= 2;
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final int display = ((post == null) || (!authenticated)) ? 0 : post.getInt("display", 0);
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prop.put("display", display);
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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(yacyNewsRecord.newRecord(yacyNewsPool.CATEGORY_WIKI_UPDATE, 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", de.anomic.data.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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