// 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.BufferedReader; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Iterator; import java.util.HashMap; import de.anomic.data.wikiBoard; import de.anomic.http.httpHeader; import de.anomic.plasma.plasmaSwitchboard; import de.anomic.server.serverCore; import de.anomic.server.serverObjects; import de.anomic.server.serverSwitch; import de.anomic.yacy.yacyNewsRecord; import de.anomic.yacy.yacyNewsPool; import de.anomic.yacy.yacyCore; 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) { plasmaSwitchboard switchboard = (plasmaSwitchboard) env; serverObjects prop = new serverObjects(); if (post == null) { post = new serverObjects(); post.put("page", "start"); } 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 = switchboard.wikiDB.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("submit")) { // store a new page switchboard.wikiDB.write(switchboard.wikiDB.newEntry(pagename, author, ip, post.get("reason", "edit"), ((String) post.get("content", "")).getBytes())); // create a news message HashMap map = new HashMap(); map.put("page", pagename); map.put("author", author); map.put("ip", ip); try { yacyCore.newsPool.publishMyNews(new yacyNewsRecord("wiki_upd", map)); } catch (IOException e) {} } wikiBoard.entry page = switchboard.wikiDB.read(pagename); if (post.containsKey("edit")) { // edit the page try { prop.put("pagecontent", ""); prop.put("pageedit", "
" + //"" + "

Author:

" + "

Text:

" + "" + "" + "" + "" + "
"); } catch (UnsupportedEncodingException e) {} } else if (post.containsKey("index")) { // view an index String index = "" + ""; String subject; try { Iterator i = switchboard.wikiDB.keys(true); wikiBoard.entry entry; while (i.hasNext()) { subject = (String) i.next(); entry = switchboard.wikiDB.read(subject); index += ""; index += ""; index += ""; index += ""; index += ""; } } catch (IOException e) { index += "IO Error reading wiki database: " + e.getMessage(); } index += "
SubjectChange DateAuthor
" + subject + "" + dateString(entry.date()) + "" + entry.author() + "
"; prop.put("pagecontent", index); prop.put("pageedit", "
" + "" + "" + "
"); } else { // show page prop.put("pagecontent", "" + "" + "
 " + "yacyWiki page: " + pagename + ",   last edited by " + page.author() + ",   change date " + dateString(page.date()) + "
" + "
" + transform(page.page(), switchboard) + "
" + "
"); prop.put("pageedit", "
" + "" + "" + "" + "" + "
"); } // return rewrite properties return prop; } public static String transform(byte[] content, plasmaSwitchboard switchboard) { ByteArrayInputStream bais = new ByteArrayInputStream(content); BufferedReader br = new BufferedReader(new InputStreamReader(bais)); String line; String out = ""; try { while ((line = br.readLine()) != null) { out += transformLine(new String(line), switchboard) + serverCore.crlfString; } return out; } catch (IOException e) { return "internal error: " + e.getMessage(); } } public static String transformLine(String result, plasmaSwitchboard switchboard) { // transform page int p0, p1; // avoide html inside //p0 = 0; while ((p0 = result.indexOf("&", p0+1)) >= 0) result = result.substring(0, p0) + "&" + result.substring(p0 + 1); p0 = 0; while ((p0 = result.indexOf('"', p0+1)) >= 0) result = result.substring(0, p0) + """ + result.substring(p0 + 1); p0 = 0; while ((p0 = result.indexOf("<", p0+1)) >= 0) result = result.substring(0, p0) + "<" + result.substring(p0 + 1); p0 = 0; while ((p0 = result.indexOf(">", p0+1)) >= 0) result = result.substring(0, p0) + ">" + result.substring(p0 + 1); //p0 = 0; while ((p0 = result.indexOf("*", p0+1)) >= 0) result = result.substring(0, p0) + "•" + result.substring(p0 + 1); p0 = 0; while ((p0 = result.indexOf("(C)", p0+1)) >= 0) result = result.substring(0, p0) + "©" + result.substring(p0 + 3); // format lines if (result.startsWith(" ")) result = "" + result + ""; if (result.startsWith("----")) result = "
"; // format headers if ((p0 = result.indexOf("====")) >= 0) { p1 = result.indexOf("====", p0 + 4); if (p1 >= 0) result = result.substring(0, p0) + "

" + result.substring(p0 + 4, p1) + "

" + result.substring(p1 + 4); } if ((p0 = result.indexOf("===")) >= 0) { p1 = result.indexOf("===", p0 + 3); if (p1 >= 0) result = result.substring(0, p0) + "

" + result.substring(p0 + 3, p1) + "

" + result.substring(p1 + 3); } if ((p0 = result.indexOf("==")) >= 0) { p1 = result.indexOf("==", p0 + 2); if (p1 >= 0) result = result.substring(0, p0) + "

" + result.substring(p0 + 2, p1) + "

" + result.substring(p1 + 2); } if ((p0 = result.indexOf("''''")) >= 0) { p1 = result.indexOf("''''", p0 + 4); if (p1 >= 0) result = result.substring(0, p0) + "" + result.substring(p0 + 4, p1) + "" + result.substring(p1 + 4); } if ((p0 = result.indexOf("'''")) >= 0) { p1 = result.indexOf("'''", p0 + 3); if (p1 >= 0) result = result.substring(0, p0) + "" + result.substring(p0 + 3, p1) + "" + result.substring(p1 + 3); } if ((p0 = result.indexOf("''")) >= 0) { p1 = result.indexOf("''", p0 + 2); if (p1 >= 0) result = result.substring(0, p0) + "" + result.substring(p0 + 2, p1) + "" + result.substring(p1 + 2); } //* unorderd Lists contributed by [AS] //** Sublist if(result.startsWith(ListLevel + "*")){ //more stars p0 = result.indexOf(ListLevel); p1 = result.length(); result = ""; i--; } ListLevel = ListLevel.substring(0,i); p0 = ListLevel.length(); p1 = result.length(); if(ListLevel.length() > 0){ result = tmp + "
  • " + result.substring(p0, p1) + "
    • "; }else{ result = tmp + result.substring(p0, p1); } } //# sorted Lists contributed by [AS] //## Sublist if(result.startsWith(numListLevel + "#")){ //more # p0 = result.indexOf(numListLevel); p1 = result.length(); result = "
      " + serverCore.crlfString + "
    1. " + result.substring(numListLevel.length() + 1, p1) + "
      2. "; numListLevel += "#"; }else if(numListLevel.length() > 0 && result.startsWith(numListLevel)){ //equal number of # p0 = result.indexOf(numListLevel); p1 = result.length(); result = "
    2. " + result.substring(numListLevel.length(), p1) + "
      3. "; }else if(numListLevel.length() > 0){ //less # int i = numListLevel.length(); String tmp = ""; while(! result.startsWith(numListLevel.substring(0,i)) ){ tmp += "
    "; i--; } numListLevel = numListLevel.substring(0,i); p0 = numListLevel.length(); p1 = result.length(); if(numListLevel.length() > 0){ result = tmp + "
  • " + result.substring(p0, p1) + "
    • "; }else{ result = tmp + result.substring(p0, p1); } } // end contrib [AS] // create links String kl, kv, alt, align; int p; // internal links and images while ((p0 = result.indexOf("[[")) >= 0) { p1 = result.indexOf("]]", p0 + 2); if (p1 <= p0) break; else; { kl = result.substring(p0 + 2, p1); // this is the part of the code that's responsible for images // contibuted by [MN] if(kl.startsWith("Image:")){ alt = ""; align = ""; kv = ""; kl = kl.substring(6); // are there any arguments for the image? if ((p = kl.indexOf("|")) > 0) { kv = kl.substring(p+1); kl = kl.substring(0, p); // if there are 2 arguments, write them into ALIGN and ALT if ((p = kv.indexOf("|")) > 0) { align = " align=\"" + kv.substring(0, p) +"\""; alt = " alt=\"" + kv.substring(p + 1) +"\""; } // if there is just one, put it into ALT else alt = " alt=\"" + kv +"\""; } result = result.substring(0, p0) + "" + result.substring(p1 + 2); } // end contrib [MN] // if it's no image, it might be an internal link else { if ((p = kl.indexOf("|")) > 0) { kv = kl.substring(p + 1); kl = kl.substring(0, p); } else { kv = kl; } if (switchboard.wikiDB.read(kl) != null) result = result.substring(0, p0) + "" + kv + "" + result.substring(p1 + 2); else result = result.substring(0, p0) + "" + kv + "" + result.substring(p1 + 2); } } } // external links while ((p0 = result.indexOf("[")) >= 0) { p1 = result.indexOf("]", p0 + 1); if (p1 <= p0) break; else { kl = result.substring(p0 + 1, p1); if ((p = kl.indexOf(" ")) > 0) { kv = kl.substring(p + 1); kl = kl.substring(0, p); } else { kv = kl; } if (!(kl.startsWith("http://"))) kl = "http://" + kl; result = result.substring(0, p0) + "" + kv + "" + result.substring(p1 + 1); } } if (result.endsWith("")) return result; else return result + "
    "; } /* what we need: == New section == === Subsection === ==== Sub-subsection ==== link colours: existent=green, non-existent=red ---- [[wikipedia FAQ|answers]] (first element is wiki page name, second is link print name) [http://www.nupedia.com Nupedia] (external link) [http://www.nupedia.com] (un-named external link) ''Emphasize'', '''strongly''', '''''very strongly''''' (italics, bold, bold-italics) * Lists are easy to do: ** start every line with a star *** more stars means deeper levels # Numbered lists are also good ## very organized ## easy to follow ; Definition list : list of definitions ; item : the item's definition : A colon indents a line or paragraph. A manual newline starts a new paragraph. A picture: [[Image:Wiki.png]] [[Image:Wiki.png|right|jigsaw globe]] (floating right-side with caption) */ }