Szerkesztő:AntiVandal/recent2.js

// -*- mode:java; coding:utf-8 -*-

/*

This tool hits the RSS feed for recent changes every 30 seconds or so
and checks for common vandalism. It does not make a separate server request 
for every edit.

Currently, the RSS feed is full of holes and so this may miss many edits.
http://bugzilla.wikimedia.org/show_bug.cgi?id=3942 

*/


// <pre><nowiki>

//DOWNLOADER

recent2={};

recent2.download=function(bundle) {
  // mandatory: bundle.url
  // bundle.onSuccess 
  // bundle.onFailure
  // bundle.otherStuff OK too

  var x = window.XMLHttpRequest ? new XMLHttpRequest()
        : window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP")
        : false;

  if (x) {
    x.onreadystatechange=function() {
      x.readyState==4 && recent2.downloadComplete(x,bundle);
    };
    x.open("GET",bundle.url,true);
    // x.setRequestHeader('Accept','text/*');
    x.send(null); 
  }
}

recent2.downloadComplete=function(x,bundle) {
  x.status==200 && ( bundle.onSuccess && bundle.onSuccess(x,bundle) || true )
  || ( bundle.onFailure && bundle.onFailure(x,bundle) || alert(x.statusText));
}

window.gettingBadWords=false;
window.badWords=null;
recent2.getBadWords=function() {
  window.gettingBadWords=true;
  recent2.download( { url: 'http://hu.wikipedia.org/w/index.php?title=User:AntiVandal/lista&action=raw&ctype=text/css',
              onSuccess: recent2.processBadWords, onFailure: function () { recent2.runOnce(recent2.getBadWords, 15000); return true;}});
}
recent2.processBadWords=function(d) {
  var data=d.responseText.split('\n');
  var ret=[];
  for (var i=0; i<data.length; ++i) {
    var s=data[i];
    if (s.length==0) continue;
    if (s.charAt(0)=='<') continue;
    ret.push(s.replace(RegExp('([-|.()\\+:!,?*^${}\\[\\]])', 'g'), '\\$1'));
  }
     // 123 3 2| 4 415 5   
     // ((( repeatedchar ) )| ( ... | ... | ... ))( bdy )
   	window.badWords=RegExp("<td>[+]</td>\\s*<td.*?>\\s*.*?((([^-{}.\\s'=wI:*#0-9A-F])\\3{2,})|[^/]\\b(" + ret.join('|') + "))(\\b[^/]|[|]).*\\s*</td>", 'im');
}
}

window.gettingWatchlist=false;
window.watchlist=null;
window.getWatchlist=function() {
  window.gettingWatchlist=true;
  recent2.download({url: 'http://hu.wikipedia.org/wiki/Special:Watchlist/edit', 
              onSuccess: processWatchlist, onFailure: function () { recent2.runOnce(getWatchlist, 15000); return true; }});
}
window.processWatchlist=function(req, bundle) {
  var watchlist={};
  var lines=req.responseText.split('\n');
  for (var i=0; i<lines.length; ++i) {
    if (lines[i].indexOf('<li><input type="checkbox" name="id[]" value=') > -1) {
      var article=lines[i].replace(/.*title="(.*?)">.*/, '$1');
      watchlist[article]=true;
    }
  }
  window.watchlist=watchlist; 
}


recent2.runOnce=function(f, time) {
  var i=recent2.runOnce.timers.length;
  var ff = function () { clearInterval(recent2.runOnce.timers[i]); f() };
  var timer=setInterval(ff, time);
  recent2.runOnce.timers.push(timer);
}
recent2.runOnce.timers=[];

var feed='http://hu.wikipedia.org/w/index.php?title=Special:Recentchanges&feed=rss';

window.newOutputDiv=function(klass, position, immortal) {
  var h1=document.getElementsByTagName('h1')[0];
  var ret=document.createElement('div'); 
  if (klass) ret.className=klass;
  if (!position) position='bottom';
  switch(position) {
  case 'top': 
    h1.parentNode.insertBefore(ret, h1.nextSibling);
    break;
  case 'bottom':
    h1.parentNode.appendChild(ret);
    break;
  default:
    if (!newOutputDiv.alerted) {
      alert('Ismeretlen pozíció '+position+' a recent2.js-ben, newOutputDiv');
      window.newOutputDiv.alerted=true;
    }
    return newOutputDiv(klass, 'bottom');
  }
  if (!immortal) { ret.id=newOutputDiv.uid++; }
  window.outputDivs.push(ret);
  return ret;
}
window.newOutputDiv.alerted=false;
window.newOutputDiv.uid=0;
window.outputDivs=[];

window.grabRecentChanges=function(feed) {
  if (! window.badWords && recent2.filter_badwords ) {
    if ( ! window.gettingBadWords ) recent2.getBadWords();
    return recent2.runOnce(function(){grabRecentChanges(feed);}, 500);
  }
  if (! window.watchlist && recent2.filter_watchlist) { 
    if (! window.gettingWatchlist ) getWatchlist();
    return recent2.runOnce(function(){grabRecentChanges(feed);}, 500);
  }
  var pos=recent2.outputPosition;
  if (recent2.outputPosition=='top') {
    var output=newOutputDiv('recent2.lines', pos);
    var status=newOutputDiv('recent2.status', pos);
  } else {
    var status=newOutputDiv('recent2.status', pos);
    var output=newOutputDiv('recent2.lines', pos);
  }
  status.style.borderStyle='solid';
  status.style.borderColor='orange';
  status.innerHTML=greyFont+'(' + count + ') frissítés...</font>';

  recent2.download({url: feed, onSuccess: processRecentChanges, output: output, status: status, onFailure: feedFailed});
}

var greyFont='<font color="#777">';

window.feedFailed=function(x,bundle) {
  try { bundle.status.innerHTML+=greyFont+'failed: '+x.statusText + '</font>'; } 
  catch (err) { bundle.status.innerHTML+=greyFont+'failed badly: '+err+'</font>'; }
  return true;
}

recent2.newWindows=true;

window.linkmaker=function(url, text) {
  var s='<a href="' + url + '"';
  recent2.newWindows && (s += ' target="_blank"');
  s += '>' + text + '</a>';
  return s;
}


recent2.ipUserRegex=RegExp('(User:)?((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])');

window.processRecentChanges=function(req, bundle){  
  var initialId=processRecentChanges.id;
  var doc=req.responseXML.documentElement;
  var items=doc.getElementsByTagName('item');
  var latest=processRecentChanges.lastDate;
  var output=[]; // <ul class="special">';
  for (var i=0; i< items.length; ++i) {
    var timestamp = Date.parse(getFirstTagContent(items[i],'pubDate'));
    if (timestamp <= processRecentChanges.lastDate) continue;
    latest = (timestamp > latest) ? timestamp : latest;
    var diffText=getFirstTagContent(items[i],'description').split('</tr>').join('</tr>\n');
    var editSummary=diffText.replace(RegExp('^<p>(.*?)</p>[\\s\\S]*'), '$1');
    var editor=getFirstTagContent(items[i], 'creator') || getFirstTagContent(items[i], 'dc:creator');
    
    if (recent2.filter_anonsOnly && !recent2.ipUserRegex.test(editor)) continue;

    var articleTitle=getFirstTagContent(items[i], 'title');
    if (! recent2.show_talkpages && articleTitle && /^Vita:|^[^:]*?[_ ]vita:/.test(articleTitle)) continue;
    if (recent2.filter_watchlist && articleTitle && 
        ! window.watchlist[articleTitle.replace(/^Vita:/, '').replace(/[ _]vita:/, ':')]) continue;
    
    if (recent2.filter_badwords) {
      var badMatch=null;
      if (window.vandals[editor] > 0) badMatch=['', '[valaki más már visszaállította]'];
      else badMatch=badWords.test(diffText); // .test() is meant to be faster than a full match
      if (badMatch) {
        badMatch=diffText.match(badWords);
        var article=getFirstTagContent(items[i], 'link');
        articleTitle=getFirstTagContent(items[i], 'title');
        var id=processRecentChanges.id;
        var badWord=badMatch[2] || badMatch[4];
        // highlighting
        badMatch[0]=badMatch[0].split(badWord).join('<span style="background-color:#FF6">'+badWord+'</span>');
        output.push(recent2.doLine({timestamp: timestamp, article:article, articleTitle:articleTitle, 
                                                  editor:editor, id:id, badWord:badWord, badDiffFragment:badMatch[0], diff:diffText,
                                                 summary:editSummary}));
        processRecentChanges.id++;
      }
    }
    else {
      var article=getFirstTagContent(items[i], 'link');
      var articleTitle=getFirstTagContent(items[i], 'title');
      if (recent2.CustomFilter && 
          ! recent2.CustomFilter({timestamp:timestamp, article:article, articleTitle:articleTitle, 
                                         editor:editor, diff:diffText, summary:editSummary})) continue;
      var id=processRecentChanges.id;
      output.push(recent2.doLine({timestamp: timestamp, article:article, articleTitle:articleTitle,
                                               editor:editor, id:id, diff:diffText, summary:editSummary}));
      processRecentChanges.id++;
    }

  } /* end for loop */
  //output+='</ul>';
  var outputString='';
  if (recent2.outputPosition=='top') {
    outputString=output.join('');
  }
  else {
    for (var i=output.length-1; i>=0; --i) {
      outputString+=output[i];
    }
  }
  bundle.output.innerHTML+=outputString;
  recent2.runOnce(function() {recent2.doPopups(bundle.output)}, 300);
  processRecentChanges.lastDate=latest; // - 1; // overlap better than missing some out, i think; FIXME do this properly
  var statusTail=greyFont+'done up to ' + formatTime(latest) + '</font>';
  if (processRecentChanges.id > initialId) {
    statusTail+=' <a href="javascript:showHideDetailRange(' + initialId + ',' + processRecentChanges.id  + ')">részletek megjelenítése/elrejtése</a> |';
  }
  statusTail += ' <a href="javascript:deleteEarlierOutputDivs(' + bundle.status.id + ')">régebbi kimenet törlése</a>';
  statusTail+='<br>';
  bundle.status.innerHTML+=statusTail;
}
processRecentChanges.lastDate=0;
processRecentChanges.id=0;

window.deleteEarlierOutputDivs=function(cur) {
  for(var i=0; i<outputDivs.length; ++i) {
    if (!outputDivs[i] || !outputDivs[i].id) continue;
    if (outputDivs[i].id >= 0 && outputDivs[i].id < cur) {
      // FIXME BUG: if we go from the bottom up, then we'll delete one too many or too few, or something :-)
      outputDivs[i].parentNode.removeChild(outputDivs[i]);
      outputDivs[i]=null;
    }
  }
  // scroll to the top if we're appending output to the bottom, to keep the div we've clicked visible after the deletions
  if (recent2.outputPosition!='top') document.location='#';
}

window.showHideDetailRange=function(start,end) {
  // use the first div to see if we should show or hide
  var div=document.getElementById('diff_div_' + start);
  if (!div) return;
  var state=false; // hide
  if (div.style.display=='none') state=true; // show
  for (var i=start; i<end; ++i) {
    showHideDetail(i, true, state);
  }
}

window.toggleSysopEdits=function() {
  var divs=document.getElementsByTagName('div');
  for (var i=0; i<divs.length; ++i) {
    if (divs[i].className=='sysop_edit_line') divs[i].style.display= ( toggleSysopEdits.hidden ? 'none' : 'inline' );
  }
  toggleSysopEdits.hidden = ! toggleSysopEdits.hidden;
}

window.bundles={};

window.vandalColour = function(vandal) {
  var num=window.vandals[vandal];
  if (!num) return '';
  switch (num) {
  case 1: return '#DDFFDD';
  case 2: return '#BBFFBB';
  }
  var i= 9-(num - 3) *2;
  if (i < 0) i=0;
  return '#' + i + i + 'FF' + i + i;
}

window.clickDetails=function(action, max) {
  if(!action) action='show';
  if (!max) max = document.links.length;
  var count=0;
  for (var i=0; i<document.links.length && count < max; ++i) {
    if(document.links[i].innerHTML==action + ' details' && document.links[i].href.indexOf('javascript:') == 0) {
      ++count; 
      eval(document.links[i].href.replace('javascript:', ''));
    }
  }
}


recent2.pendingLines=[];

recent2.togglePausedOutput=function() {
  if (!recent2.pausedOutput) { recent2.pausedOutput = true; return true; }
  else recent2.pausedOutput=false; 
  var outputBuffer='';
  while (recent2.pendingLines.length) {
    outputBuffer+=recent2.doLine(recent2.pendingLines.pop());
  }
  var pos=recent2.outputPosition;
  var output=newOutputDiv('recent2.lines', pos);
  output.innerHTML=outputBuffer;
  return false;
}

recent2.togglePaused=function() {
  if(!recent2.paused) { recent2.paused=true; return true; }
  recent2.paused=false;
  loopRecentChanges(loopRecentChanges.url, loopRecentChanges.iterations);
  return false;
}

recent2.doLine=function(bundle) {
  if (recent2.pausedOutput) {
    recent2.pendingLines.push(bundle);
    return '';
  }
  var wikiBase='http://hu.wikipedia.org/wiki/';
  var sysop = null;
  if (typeof sysops != 'undefined') sysop=sysops.test(bundle.editor);
  var lastDiffPage=bundle.article + '?diff=cur&oldid=prev';
  bundle.url=lastDiffPage;
  saveBundle(bundle);
  var div='';
  if (window.vandals[bundle.editor] > 0) { div='<div style="background-color:' + vandalColour(bundle.editor) + '">'}
  else if (sysop) {div='<div class="sysop_edit_line">'};
  return div +
  '<li>' +
  formatTime(bundle.timestamp) + ' ' +
  //latest + ' ' + processRecentChanges.lastDate + ' ' +
  linkmaker(lastDiffPage, bundle.articleTitle) +
  ( bundle.badWord ? ' matched <b>' + bundle.badWord + '</b> . . ' : ' . . ') +
  linkmaker(wikiBase + 'User:' + bundle.editor,           bundle.editor)     + ' ('  +
  linkmaker(wikiBase + 'User_vita:' + bundle.editor,             'vita')     + ' | ' +
  linkmaker(wikiBase + 'Special:Contributions/' + bundle.editor, 'szerkesztései') + ' | ' +
  linkmaker(wikiBase + 'Special:Blockip/' + bundle.editor,       'blokk')    +  ') . . ' +
  ( bundle.summary ? '<i>('+bundle.summary+')</i> . . ' : '') +
    '<a href="javascript:showHideDetail(' + bundle.id + ')" id="showdiff_link_' + bundle.id + '">részletek</a>' +
    ' [<a href="javascript:tryRollback(' + bundle.id + ')">visszaállítás</a>]' +
  '<p><div id="diff_div_' + bundle.id + '" style="display: none">' +
  '</div></li>' +
  ( div ? '</div>' : '') ;
}

window.saveBundle= function(bundle) {
  var z={};
  for (var prop in bundle) { z[prop]=bundle[prop]; }
  window.bundles[bundle.id]=z;
}

window.vandals={}

window.tryRollback=function(id) {
  var b=window.bundles[id];
  var vandal=b.editor;
  if (window.vandals[vandal]==null) window.vandals[vandal]=1;
  else window.vandals[vandal]++;
  if (!b) { alert('No bundle! Please tell Lupin how to reproduce this error - it should not really happen.'); return; }
  var onSuccess=function (x, bundle) {
    var rollRe=RegExp('<a href="(/w/index.php[^"]*?action=rollback[^"]*?from=([^&]*)[^"]*?)".*?<br />(<span[^>]*>)?(.*?)(</span>)?<br /></td>');
    // match[0]: useless
    // match[1]: url (escaped)
    // match[2]: last editor (escaped)
    // match[4]: last edit summary (wikiText - FIXME strip this to plain text)
    var match=rollRe.exec(x.responseText);
    if (!match) {
      alert('Nem találtam visszaállítás linket.\nA visszaállítás csak az adminok számára elérhető.');
      return;
    }
    var lastEditor=match[2].split('+').join(' ');
    var lastSummary=match[4];
    // var vandal=b.editor; // from the closure
    if (lastEditor != vandal) {
      var summary=lastSummary.replace(RegExp('<[^>]*?>','g'),'');
      if (!summary) summary=lastSummary;
      alert( 'Nem lehet visszaállítani - Valaki más szerkesztette a vandál óta.\n\nPage: '+ b.articleTitle +
             '\nVandal: '+vandal+'\nLast editor: '+lastEditor+'\nEdit summary: '+summary);
      return;
    }
    var rollbackUrl=match[1].split('&amp;').join('&');
    // confirm('Rollback edits by '+vandal + ' to '+b.articleTitle+'?') && 
    window.open(rollbackUrl, '_blank');
  }
  var onFailure = function(x,bundle) {
    alert('HTTP failed when trying to get rollback link in url\n' + bundle.url +
          '\n\nHTTP status text: ' + x.statusText);
    return true;
  }
  recent2.download({ url:b.url, onSuccess: onSuccess, id: b.id, onFailure:onFailure});
}

recent2.doPopups=function(div) {
  if (typeof(mouseOverWikiLink)!='undefined' && 
      typeof(mouseOutWikiLink) !='undefined' && 
      typeof(killPopup)        !='undefined') {
    var anchors=div.getElementsByTagName('A');
    for (var i=0; i<anchors.length; ++i) {
      var a=anchors[i];
      if (a.href.indexOf('javascript')==0) continue;
      a.onmouseover=mouseOverWikiLink;
      a.onmouseout= mouseOutWikiLink;
      a.onclick= killPopup;
    }
  }
}

window.formatTime=function(timestamp) {
  var date=new Date(timestamp);
  nums=[date.getHours(), date.getMinutes(), date.getSeconds()];
  for (var i=0; i<nums.length; ++i) if (nums[i]<10) nums[i]='0'+nums[i];
  return nums.join(':');
}

window.showHideDetail = function(id, force, state) {
  var div=document.getElementById('diff_div_' + id);
  var lk=document.getElementById('showdiff_link_' + id);
  if (!div) return;
  var bundle=window.bundles[id];
  if (!div.innerHTML) div.innerHTML= ( bundle.badDiffFragment ? bundle.badDiffFragment:'') + bundle.diff;
  if ((force && state==true) || (!force && div.style.display=='none')) { div.style.display='inline'; lk.innerHTML='részletek elrejtése'; }
  else { div.style.display='none';   lk.innerHTML='részletek'; }
    
}


window.getFirstTagContent=function(parent, tag) {
  var e=parent.getElementsByTagName(tag);
  if (e && (e=e[0]) ) {
    var ret = e.firstChild.nodeValue || e.nodeValue; 
    if (typeof ret != typeof '') return '';
    return ret; 
  }
}

recent2.controlUI=function() {
  recent2.controls=newOutputDiv('recent2.controls', 'top', true);
  var vita=document.createElement('input');
  vita.type='checkbox';
  vita.checked=!recent2.show_talkpages;
  vita.onclick=function(){ recent2.show_talkpages=!this.checked; }
  recent2.controls.appendChild(vita);
  recent2.controls.vita=vita;
  var label=document.createElement('label');
  label.innerHTML='Vitalapok elrejtése';
  recent2.controls.appendChild(label);
}

var count=0;
window.loopRecentChanges=function(url, iterations) {
  if (!iterations) iterations=20;
  loopRecentChanges.iterations=iterations;
  loopRecentChanges.url=url;
  grabRecentChanges(url);
  recent2.runOnce(function () { 
    if (recent2.paused) {++count; return; }
    if (++count >= iterations && ! confirm('Folytassuk a friss változtatások figyelését?') ) return; 
    count %= iterations; loopRecentChanges(url, iterations);
  }, 30000);
}
window.marvin=function() { 
  window.sysops=RegExp("^(Dhanak|grin|KovacsUr|NCurse|nyenyec|Serinde|tgr)$");
  recent2.show_talkpages=true;
  recent2.controlUI();
  loopRecentChanges(feed, 200); 
}

// **************************************************
// Installation
// **************************************************

recent2.addlilink=function(tabs, url, name, id, title, key){
    var na = document.createElement('a');
    na.href = url;
    na.appendChild(document.createTextNode(name));
    var li = document.createElement('li');
    if(id) li.id = id;
    li.appendChild(na);
    tabs.appendChild(li);
    if(id) {
      if(key && title) ta[id] = [key, title];
      else if(key)     ta[id] = [key, ''];
      else if(title)   ta[id] = ['', title];
    }
    // re-render the title and accesskeys from existing code in wikibits.js
    akeytt();
    return li;
}

recent2.addToolboxLink=function(url, name, id){
    var tb = document.getElementById('p-tb').getElementsByTagName('ul')[0];
    recent2.addlilink(tb, url, name, id);
}

window.addMarvin=function() {
  recent2.addToolboxLink('http://hu.wikipedia.org/wiki/User:AntiVandal/Friss_változtatások_szűrése', 'Friss változtatások szűrése', 'toolbox_filter_changes');
  recent2.addToolboxLink('http://hu.wikipedia.org/wiki/User:AntiVandal/Minden_friss_szerkesztés', 'Minden friss szerkesztés', 'toolbox_all_changes');
  recent2.addToolboxLink('http://hu.wikipedia.org/wiki/User:AntiVandal/Legutóbbi_anonim_szerkesztések', 'Legutóbbi anonim szerkesztések', 'toolbox_IP_edits');
  recent2.addToolboxLink('http://hu.wikipedia.org/wiki/User:AntiVandal/Figyelőlista_szűrése', 'Figyelőlista szűrése', 'toolbox_watchlist_edits');
  //document.getElementById('toolbox_filter_changes').onclick=marvin;
}

window.maybeStart=function() {
  var loc=document.location.href;
  if (RegExp('User:AntiVandal/Friss[_ ]v','i').test(loc)) {
    recent2.filter_badwords=true;
    recent2.runOnce(marvin, 1000);
  }
  else if (RegExp('User:AntiVandal/Minden[_ ]friss[_ ]szerkeszt','i').test(loc)) {
    recent2.filter_badwords=false;
    recent2.runOnce(marvin, 1000);
  }
  else if (RegExp('User:AntiVandal/Legut','i').test(loc)) {
    recent2.filter_anonsOnly=true;
    recent2.runOnce(marvin, 1000);
  }
  else if (RegExp('User:AntiVandal/Figyel', 'i').test(loc)) {
    recent2.filter_watchlist=true;
    recent2.runOnce(marvin, 1000);
  }
}

// onload 
addOnloadHook(maybeStart);
addOnloadHook(addMarvin);

// </nowiki></pre>

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