// Wiki.java // ----------------------- // part of the AnomicHTTPD caching proxy // (C) by Michael Peter Christen; mc@anomic.de // first published on http://www.anomic.de // Frankfurt, Germany, 2004 // last major change: 01.07.2003 // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // Using this software in any meaning (reading, learning, copying, compiling, // running) means that you agree that the Author(s) is (are) not responsible // for cost, loss of data or any harm that may be caused directly or indirectly // by usage of this softare or this documentation. The usage of this software // is on your own risk. The installation and usage (starting/running) of this // software may allow other people or application to access your computer and // any attached devices and is highly dependent on the configuration of the // software which must be done by the user of the software; the author(s) is // (are) also not responsible for proper configuration and usage of the // software, even if provoked by documentation provided together with // the software. // // Any changes to this file according to the GPL as documented in the file // gpl.txt aside this file in the shipment you received can be done to the // lines that follows this copyright notice here, but changes must not be // done inside the copyright notive above. A re-distribution must contain // the intact and unchanged copyright notice. // Contributions and changes to the program code must be marked as such. // Contains contributions from Alexander Schier [AS] // and Marc Nause [MN] // You must compile this file with // javac -classpath .:../classes Wiki.java // if the shell's current path is HTROOT import java.io.IOException; import java.io.UnsupportedEncodingException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import de.anomic.data.Diff; import de.anomic.data.wikiBoard; import de.anomic.http.httpHeader; import de.anomic.plasma.plasmaSwitchboard; import de.anomic.server.serverObjects; import de.anomic.server.serverSwitch; import de.anomic.yacy.yacyCore; import de.anomic.yacy.yacyNewsPool; import de.anomic.yacy.yacyNewsRecord; public class Wiki { //private static String ListLevel = ""; //private static String numListLevel = ""; private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss"); public static String dateString(Date date) { return SimpleFormatter.format(date); } public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch env) throws IOException { plasmaSwitchboard switchboard = (plasmaSwitchboard) env; serverObjects prop = new serverObjects(); if (post == null) { post = new serverObjects(); post.put("page", "start"); } String access = switchboard.getConfig("WikiAccess", "admin"); String pagename = post.get("page", "start"); String ip = post.get("CLIENTIP", "127.0.0.1"); String author = post.get("author", "anonymous"); if (author.equals("anonymous")) { author = wikiBoard.guessAuthor(ip); if (author == null) { if (de.anomic.yacy.yacyCore.seedDB.mySeed == null) author = "anonymous"; else author = de.anomic.yacy.yacyCore.seedDB.mySeed.get("Name", "anonymous"); } } if (post.containsKey("access")) { // only the administrator may change the access right if (!switchboard.verifyAuthentication(header, true)) { // check access right for admin prop.put("AUTHENTICATE", "admin log-in"); // force log-in return prop; } access = post.get("access", "admin"); switchboard.setConfig("WikiAccess", access); } if (access.equals("admin")) prop.put("mode_access", 0); if (access.equals("all")) prop.put("mode_access", 1); wikiBoard.entry page = switchboard.wikiDB.read(pagename); if (post.containsKey("submit")) { if ((access.equals("admin") && (!switchboard.verifyAuthentication(header, true)))) { // check access right for admin prop.put("AUTHENTICATE", "admin log-in"); // force log-in return prop; } // store a new page byte[] content; try { content = post.get("content", "").getBytes("UTF-8"); } catch (UnsupportedEncodingException e) { content = post.get("content", "").getBytes(); } wikiBoard.entry newEntry = switchboard.wikiDB.newEntry(pagename, author, ip, post.get("reason", "edit"), content); switchboard.wikiDB.write(newEntry); // create a news message HashMap map = new HashMap(); map.put("page", pagename); map.put("author", author.replace(',', ' ')); if (post.get("content", "").trim().length() > 0 && !page.page().equals(content)) yacyCore.newsPool.publishMyNews(new yacyNewsRecord(yacyNewsPool.CATEGORY_WIKI_UPDATE, map)); page = newEntry; prop.put("LOCATION", "/Wiki.html?page=" + pagename); } if (post.containsKey("edit")) { if ((access.equals("admin") && (!switchboard.verifyAuthentication(header, true)))) { // check access right for admin prop.put("AUTHENTICATE", "admin log-in"); // force log-in return prop; } // edit the page try { prop.put("mode", 1); //edit prop.put("mode_author", author); prop.put("mode_page-code", new String(page.page(), "UTF-8")); prop.put("mode_pagename", pagename); } catch (UnsupportedEncodingException e) {} } //contributed by [MN] else if (post.containsKey("preview")) { // preview the page prop.put("mode", 2);//preview prop.put("mode_pagename", pagename); prop.put("mode_author", author); prop.put("mode_date", dateString(new Date())); prop.putWiki("mode_page", post.get("content", "")); prop.put("mode_page-code", post.get("content", "")); } //end contrib of [MN] else if (post.containsKey("index")) { // view an index prop.put("mode", 3); //Index String subject; try { Iterator i = switchboard.wikiDB.keys(true); wikiBoard.entry entry; int count=0; while (i.hasNext()) { subject = (String) i.next(); entry = switchboard.wikiDB.read(subject); prop.put("mode_pages_"+count+"_name",wikiBoard.webalize(subject)); prop.put("mode_pages_"+count+"_subject", subject); prop.put("mode_pages_"+count+"_date", dateString(entry.date())); prop.put("mode_pages_"+count+"_author", entry.author()); count++; } prop.put("mode_pages", count); } catch (IOException e) { prop.put("mode_error", 1); //IO Error reading Wiki prop.put("mode_error_message", e.getMessage()); } prop.put("mode_pagename", pagename); } else if (post.containsKey("diff")) { // Diff prop.put("mode", 4); prop.put("mode_page", pagename); prop.put("mode_error_page", pagename); try { Iterator it = switchboard.wikiDB.keysBkp(true); wikiBoard.entry entry; wikiBoard.entry oentry = null; wikiBoard.entry nentry = null; int count = 0; boolean oldselected = false, newselected = false; while (it.hasNext()) { entry = switchboard.wikiDB.readBkp((String)it.next()); prop.put("mode_error_versions_" + count + "_date", wikiBoard.dateString(entry.date())); prop.put("mode_error_versions_" + count + "_fdate", dateString(entry.date())); if (wikiBoard.dateString(entry.date()).equals(post.get("old", null))) { prop.put("mode_error_versions_" + count + "_oldselected", 1); oentry = entry; oldselected = true; } else if (wikiBoard.dateString(entry.date()).equals(post.get("new", null))) { prop.put("mode_error_versions_" + count + "_newselected", 1); nentry = entry; newselected = true; } count++; } count--; // don't show current version if (!oldselected) // select latest old entry prop.put("mode_error_versions_" + (count - 1) + "_oldselected", 1); if (!newselected) // select latest new entry (== current) prop.put("mode_error_curselected", 1); if (count == 0) { prop.put("mode_error", 2); // no entries found } else { prop.put("mode_error_versions", count); } entry = switchboard.wikiDB.read(pagename); if (entry != null) { prop.put("mode_error_curdate", wikiBoard.dateString(entry.date())); prop.put("mode_error_curfdate", dateString(entry.date())); } if (nentry == null) nentry = entry; if (post.containsKey("compare") && oentry != null && nentry != null) { // TODO: split into paragraphs and compare them with the same diff-algo Diff diff = new Diff( new String(oentry.page(), "UTF-8"), new String(nentry.page(), "UTF-8"), 3); prop.putASIS("mode_versioning_diff", Diff.toHTML(new Diff[] { diff })); prop.put("mode_versioning", 1); } else if (post.containsKey("viewold") && oentry != null) { prop.put("mode_versioning", 2); prop.put("mode_versioning_pagename", pagename); prop.put("mode_versioning_author", oentry.author()); prop.put("mode_versioning_date", dateString(oentry.date())); prop.putWiki("mode_versioning_page", oentry.page()); prop.put("mode_versioning_page-code", new String(oentry.page(), "UTF-8")); } } catch (IOException e) { prop.put("mode_error", 1); //IO Error reading Wiki prop.put("mode_error_message", e.getMessage()); } } else { // show page prop.put("mode", 0); //viewing prop.put("mode_pagename", pagename); prop.put("mode_author", page.author()); prop.put("mode_date", dateString(page.date())); prop.putWiki("mode_page", page.page()); prop.put("controls", 0); prop.put("controls_pagename", pagename); } // return rewrite properties return prop; } }