User:SebïFïg/rollback-button.js

- // God-like Monobook skin // (c) 2005 Sam Hocevar  // $Id: godmode-light.js 2075 2009-09-17 15:56:04Z sam $ // -

// - // Language support, taken from phase3/languages/* // - var rollbacklink = 'rollback'; var cantrollback = 'Cannot revert edit; last contributor is only author of this page.'; var alreadyrolled = 'Cannot rollback last edit of $1 by $2 (Talk); someone else has edited or rolled back the page already. Last edit was by $3 (Talk). '; var revertpage = 'Reverted edits by $2 to last version by $1'; switch (document.getElementsByTagName('html')[0].lang) { case 'fr': rollbacklink = 'rÃ©voquer'; cantrollback = 'Impossible de rÃ©voquer: dernier auteur est le seul Ã avoir modifiÃ© cet article'; alreadyrolled = 'Impossible de rÃ©voquer la derniÃ¨re modification de $1 par $2 (Talk); quelqu\'un d\'autre Ã  dÃ©jÃ  modifer ou rÃ©voquer l\'article. La derniÃ¨re modificaion Ã©tait de $3 (Talk). '; // lol @ pathetic grammar revertpage = "RÃ©vocation des modifications de $2 et restauration d'une prÃ©cÃ©dente version de $1"; break; case 'de': rollbacklink = 'ZurÃ¼cksetzen'; cantrollback = 'Die Ã„nderung kann nicht zurÃ¼ckgenommen werden; der letzte Autor ist der einzige.'; alreadyrolled = 'Die ZurÃ¼cknahme des Artikels $1 von $2 (Diskussion) ist nicht mÃ¶glich, da eine andere Ã„nderung oder RÃ¼cknahme erfolgt ist. Die letzte Ã„nderung ist von $3 (Diskussion)'; revertpage = 'Ã„nderungen von Benutzer:$2 rÃ¼ckgÃ¤ngig gemacht und letzte Version von Benutzer:$1 wiederhergestellt'; break; case 'es': rollbacklink = 'Revertir'; cantrollback = 'No se pueden revertir las ediciones; el Ãºltimo colaborador es el Ãºnico autor de este artÃ­culo.'; alreadyrolled = 'No se puede revertir la Ãºltima ediciÃ³n de $1 por $2 (DiscusiÃ³n); alguien mÃ¡s ya ha editado o revertido esa pÃ¡gina. La Ãºltima ediciÃ³n fue hecha por $3 (DiscusiÃ³n). ';   revertpage = 'Revertida a la Ãºltima ediciÃ³n de $1'; break; case 'it': rollbacklink = 'rollback'; cantrollback = 'Impossibile tornare ad una versione precedente: l\'ultima modifica Ã¨ stata apportata dall\'unico utente che abbia lavorato a questo articolo.'; //alreadyrolled = ''; revertpage = 'Riportata alla revisione precedente da $1'; break; case 'pt': rollbacklink = 'voltar'; cantrollback = 'NÃ£o foi possÃ­vel reverter a ediÃ§Ã£o; o Ãºltimo contribuidor Ã© o Ãºnico autor deste artigo.'; alreadyrolled = 'NÃ£o foi possÃ­vel reverter as ediÃ§Ãµes de $1 por $2 (Talk); alguÃ©m o editou ou jÃ¡ o reverteu. A Ãºltima ediÃ§Ã£o foi de $3 (Conversar com ele). ';   revertpage = 'Revertidas ediÃ§Ãµes por $2, para a Ãºltima versÃ£o por $1'; break; }

// - // XMLHttpRequest support // - if (document.implementation.createDocument) { var gml_xmlparser = new DOMParser; }

function gml_XMLParse(string) { if (document.implementation.createDocument) { return gml_xmlparser.parseFromString(string, "text/xml"); } else if (window.ActiveXObject) { var gml_xmldoc = new ActiveXObject("Microsoft.XMLDOM"); gml_xmldoc.async = "false"; ret = gml_xmldoc.loadXML(string); if (!ret) return null; return gml_xmldoc.documentElement; } return null; }

var gml_xmlhttp;

function HTTPClient { var gml_http; if(window.XMLHttpRequest) { gml_http = new XMLHttpRequest; } else if (window.ActiveXObject) { try { gml_http = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { gml_http = new ActiveXObject("Microsoft.XMLHTTP"); } catch (E) { gml_http = false; }   }  }  return gml_http; }

// - // MD5 hash calculator // - // Version 2.1 Copyright (C) Paul Johnston 1999 - 2002. // Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet // Distributed under the BSD License // See http://pajhome.org.uk/crypt/md5 for more info. // - var hexcase = 0; var b64pad = ""; var chrsz  = 8;

function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}

function core_md5(x, len) { x[len >> 5] |= 0x80 << ((len) % 32); x[(((len + 64) >>> 9) << 4) + 14] = len;

var a = 1732584193; var b = -271733879; var c = -1732584194; var d = 271733878;

for(var i = 0; i < x.length; i += 16) {   var olda = a;    var oldb = b;    var oldc = c;    var oldd = d;

a = md5_ff(a, b, c, d, x[i+ 0], 7, -680876936); d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586); c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819); b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330); a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897); d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426); c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341); b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983); a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416); d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417); c = md5_ff(c, d, a, b, x[i+10], 17, -42063); b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162); a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682); d = md5_ff(d, a, b, c, x[i+13], 12, -40341101); c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290); b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

a = md5_gg(a, b, c, d, x[i+ 1], 5, -165796510); d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632); c = md5_gg(c, d, a, b, x[i+11], 14, 643717713); b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302); a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691); d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083); c = md5_gg(c, d, a, b, x[i+15], 14, -660478335); b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848); a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438); d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690); c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961); b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501); a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467); d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784); c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473); b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

a = md5_hh(a, b, c, d, x[i+ 5], 4, -378558); d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463); c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562); b = md5_hh(b, c, d, a, x[i+14], 23, -35309556); a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060); d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353); c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632); b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640); a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174); d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222); c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979); b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189); a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487); d = md5_hh(d, a, b, c, x[i+12], 11, -421815835); c = md5_hh(c, d, a, b, x[i+15], 16,  530742520); b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

a = md5_ii(a, b, c, d, x[i+ 0], 6, -198630844); d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415); c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905); b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055); a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571); d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606); c = md5_ii(c, d, a, b, x[i+10], 15, -1051523); b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799); a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359); d = md5_ii(d, a, b, c, x[i+15], 10, -30611744); c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380); b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649); a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070); d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379); c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259); b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd); } return Array(a, b, c, d);

}

function md5_cmn(q, a, b, x, s, t) { return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b); } function md5_ff(a, b, c, d, x, s, t) { return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t); } function md5_gg(a, b, c, d, x, s, t) { return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t); } function md5_hh(a, b, c, d, x, s, t) { return md5_cmn(b ^ c ^ d, a, b, x, s, t); } function md5_ii(a, b, c, d, x, s, t) { return md5_cmn(c ^ (b | (~d)), a, b, x, s, t); }

function safe_add(x, y) { var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF); }

function bit_rol(num, cnt) { return (num << cnt) | (num >>> (32 - cnt)); }

function str2binl(str) { var bin = Array; var mask = (1 << chrsz) - 1; for(var i = 0; i < str.length * chrsz; i += chrsz) bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32); return bin; }

function binl2hex(binarray) { var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for(var i = 0; i < binarray.length * 4; i++) {   str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF); } return str; }

// - // Our nice Revert functions // - var gml_vandal, gml_editor, gml_url;

function PerformRevert { var l, token = '', revert = false; // Look for '&fakeaction=rollback' in URL gml_url = location.pathname; l = location.search.substring(1).split('&'); for (i = 0; i < l.length; i++) { var n = l[i].indexOf('='); var name = l[i].substring(0, n); if (name == 'fakeaction') { if (l[i].substring(n + 1) == 'rollback') revert = true; } else if (name == 'vandal') { gml_vandal = unescape(l[i].substring(n + 1)); } else if (name == 'token') { token = unescape(l[i].substring(n + 1)); } else if (name == 'title') { gml_url += '?' + l[i]; } }  if (!revert) return; document.getElementById('bodyContent').innerHTML = 'Please wait, reverting edits by ' + gml_vandal + '...'; // Avoid XSS kiddies by using a special token if (token == '' || token != hex_md5(gml_url + gml_vandal + document.cookie)) { document.getElementById('bodyContent').innerHTML += ' Bad authentication token!'; return; }

gml_xmlhttp = HTTPClient; if (!gml_xmlhttp) return; history_url = gml_url + '&action=history&limit=50'; document.getElementById('bodyContent').innerHTML += ' Getting article history (' + history_url + ')...'; gml_xmlhttp.open("GET", history_url, true); gml_xmlhttp.onreadystatechange = RevertStepTwo; gml_xmlhttp.send(null); }

function RevertStepTwo { if (gml_xmlhttp.readyState != 4) return; var l; var oldid; // Get the vandal and new editor names gml_vandal = gml_vandal.replace(/_/g, ' '); gml_editor = ''; // Hack for a MediaWiki bug xml = gml_xmlhttp.responseText.replace(//, ''); doc = gml_XMLParse(xml); if (!doc || !doc.getElementById('pagehistory')) { document.getElementById('bodyContent').innerHTML += ' Failed to parse XML data returned by the server.'; document.getElementById('bodyContent').innerHTML += ' Hint: try to disable both "Enable section editing by right-clicking on section titles (JavaScript)" and "Edit pages on double click (JavaScript)" in your editing preferences until a proper fix is found.'; document.getElementById('bodyContent').innerHTML += ' Dump of the unparseable page : ' + xml.replace(/&/g, '&amp;').replace(//g, '&gt;'); return; } l = doc.getElementById('pagehistory').getElementsByTagName('li'); //l = doc.selectSingleNode('//*[@id="pagehistory"]').getElementsByTagName('li'); for (i = 0; i < l.length; i++) { var name = l[i].getElementsByTagName('span')[0].getElementsByTagName('a')[0].innerHTML.replace(/_/g, ' '); if (i == 0 && name != gml_vandal) { document.getElementById('bodyContent').innerHTML += ' Error: Last editor is ' + name + ', not ' + gml_vandal + '!'; return; } else if (i > 0 && name != gml_vandal) { oldid = l[i].getElementsByTagName('input')[0].value; gml_editor = name; break; } }  if (gml_editor == '') { document.getElementById('bodyContent').innerHTML += ' Error: ' + gml_vandal + ' is the only editor!'; return; }

gml_xmlhttp = HTTPClient; if (!gml_xmlhttp) return; document.getElementById('bodyContent').innerHTML += ' Getting article edit form (GET' + gml_url + '&action=edit&oldid=' + oldid + ')...'; gml_xmlhttp.open('GET', gml_url + '&action=edit&oldid=' + oldid, true); gml_xmlhttp.onreadystatechange = RevertStepThree; gml_xmlhttp.send(null); }

function RevertStepThree { if (gml_xmlhttp.readyState != 4) return var form, newform, l; // Insert the downloaded form in our current page, using // only hidden form inputs. doc = gml_XMLParse(gml_xmlhttp.responseText); form = doc.getElementById('editform'); newform = document.createElement('form'); l = form.getElementsByTagName('textarea'); for (i = l.length; i--; ) { var t = document.createElement('input'); t.type = 'hidden'; t.name = l[i].name; t.value = l[i].value; newform.appendChild(t); } l = form.getElementsByTagName('input'); for (i = l.length; i--; ) { if (l[i].name == 'wpSummary') { l[i].value = revertpage.replace(/\$1/g, gml_editor).replace(/\$2/g, gml_vandal); } else if (l[i].name == 'wpMinoredit') { l[i].value = '1'; } else if (l[i].name == 'wpWatchthis') { if (!l[i].checked) continue; // Donâ€™t touch the "watch" status l[i].value = "on"; } else if (l[i].name == 'wpPreview') { continue; } else if (l[i].name == 'wpDiff') { continue; }   l[i].type = 'hidden'; newform.appendChild(l[i]); } newform.name = form.name; newform.method = form.method; newform.id = form.id; newform.action = form.action; document.getElementById('bodyContent').innerHTML += ' Submitting form...'; document.getElementById('bodyContent').appendChild(newform); // Submit the form newform.submit; }

// - // Add revert buttons to the page // - function AddRevertButtons { var l, article = '', vandal; // Add 'revert' links to a diff page l = document.getElementById('bodyContent').getElementsByTagName('td'); for (i = 0; i < l.length; i++) { if (l[i].className == 'diff-otitle') { article = l[i].getElementsByTagName('a')[0].href.split('&')[0].replace(/[^\/]*\/\/[^\/]*/, ''); } else if (l[i].className == 'diff-ntitle') { var toplink = l[i].getElementsByTagName('a')[0].href; vandal = l[i].getElementsByTagName('a')[1].title.split(':')[1]; var t = l[i].innerHTML n = t.indexOf(') ) = 0 && article != '' && toplink.indexOf('oldid=') == -1) { l[i].innerHTML = t.substring(0, n + 5) + '   [' + rollbacklink + '] ' + t.substring(n + 5, t.length); }   }  }  // Add 'revert' links to a contributions page if (location.href.indexOf(':Contributions') != -1) { var c = document.getElementById('contentSub'); var a = c.getElementsByTagName('a'); if (a.length >= 2) { vandal = a[0].innerHTML; } else { vandal = c.innerHTML.replace(/ \(.*/, ).replace(/.* /, );   }    l = document.getElementById('bodyContent').getElementsByTagName('li');    for (i = 0; i < l.length; i++) {      var t = l[i].innerHTML      // If we are already a sysop on this wiki, abort      if (t.indexOf('>' + rollbacklink + ']') != -1)          break;      //if (t.indexOf('&amp;diff=0') != -1) {      if (t.indexOf(' (') != -1) { article = l[i].getElementsByTagName('a')[0].href.split('&')[0].replace(/[^\/]*\/\/[^\/]*/, ''); l[i].innerHTML += ' [' + rollbacklink + ']'; }   }  } }

// - // Modify the page once it is loaded // - if (window.addEventListener) { window.addEventListener("load", PerformRevert, false); window.addEventListener("load", AddRevertButtons, false); } else if (window.attachEvent) { window.attachEvent("onload", PerformRevert); window.attachEvent("onload", AddRevertButtons);