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User:Prodego/Sandbox.js

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addOnloadHook(function() { 
    ttext = document.getElementById("firstHeading").firstChild.innerHTML;
    suffix = ": Difference between revisions";
    if(ttext.indexOf(suffix, ttext.length - suffix.length) !== -1) {
    mw.util.addPortletLink("p-cactions", "javascript:vandalBlock()", "Kill", "ca-vandal", "Block user");
    }
});
function vandalBlock() {
        var rcol = document.getElementById('bodyContent').getElementsByTagName('td').item(1);
        if (rcol != null)
        var user = rcol.getElementsByTagName('a')[3].innerHTML;
        var expiry = 'indefinite';
        var others = '&autoblock=1&nocreate=1&allowusertalk=1'
        jsMsg('<div id="vandalblockinfo"></div>');
        if(user != mw.config.get('wgUserName')) {
            if(IPhandler(user) == true){
        expiry = '1%20week';
        others = '&autoblock=1&nocreate=1&allowusertalk=1';
            }
      if(!isUserBlocked(user)) {
        var token = getBlockToken(user);
        blockUser(user, token, expiry, others); 
      }
        } 
    else {
      document.getElementById('vandalblockinfo').innerHTML+= "Attempt to block self rejected. Please check your edits.<br />"; 
    }
        var rollback = getElementsByClassName(document, "span", "mw-rollback-link");
        if (rollback[0]) {
      rollbacklink = rollback[0].getElementsByTagName('a')[0].href;          
      rollbacktoken = rollbacklink.substring(rollbacklink.indexOf('&token=')+7)
      doRollback(rollbacktoken, user);
        }
        else {        
      document.getElementById('vandalblockinfo').innerHTML+= "Edit already rolled back.<br />"; 
        }
}
 
function getBlockToken(user) {
  document.getElementById('vandalblockinfo').innerHTML+= "Getting block token...<br />"; 
  var req = sajax_init_object();
  var params = "action=block&user=" + encodeURIComponent(user) + "&gettoken=1&format=json";
  req.open("POST", wgScriptPath + "/api.php?", false);
  req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  req.send(params);
  response = eval('(' + req.responseText + ')');
  token = response['block']['blocktoken'];
  delete req;
  return token;
}
function doRollback(rollbacktoken, user) {
  var req = sajax_init_object();
  title = wgPageName;
  var params = "action=rollback&token="+rollbacktoken+"&title="+title+"&user="+encodeURIComponent(user)+"&markbot=1&format=json";
  url = wgScriptPath + "/api.php";
  req.open("POST", url, true);
  req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  req.onreadystatechange = function() {
    if(req.readyState == 4 && req.status == 200) {
    response = eval('(' + req.responseText + ')');
    try {
      document.getElementById('vandalblockinfo').innerHTML += "Rollback on "+response['rollback']['title']+" succeeded<br />";
    } catch(err) {
      document.getElementById('vandalblockinfo').innerHTML += "Error " + response['error']['info']+"<br />";
    }
    delete req;
  }
  }
  req.send(params)
}

function isUserBlocked(user) {
  var req = sajax_init_object();
  var params = "action=query&format=json&list=blocks&bkusers="+encodeURIComponent(user)+"&bkprop=by";
  url = wgScriptPath + "/api.php";
  req.open("POST", url, false);
  req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  req.send(params);
  response = eval('(' + req.responseText + ')');
  try {
    document.getElementById('vandalblockinfo').innerHTML+= "User already blocked by "+ response['query']['blocks'][0]['by']+"<br />";
  } 
  catch(err) {
      delete req;
    return false;
  }
  delete req;
    return true;
}

function blockUser(user, token, expiry, others) {
  document.getElementById('vandalblockinfo').innerHTML+= "Blocking...<br />"; 
  var req = sajax_init_object();
  var params = "action=block&format=json&token="+encodeURIComponent(token)+"&user="+encodeURIComponent(user)+"&expiry="+expiry+"&reason=[[WP:VAND|Vandalism]]"+others;
  url = wgScriptPath + "/api.php";
  req.open("POST", url, true);
  req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  req.onreadystatechange = function() {
    if(req.readyState == 4 && req.status == 200) {
      response = eval('(' + req.responseText + ')');
      try {
        document.getElementById('vandalblockinfo').innerHTML+= response['block']['user']+" has been blocked<br />";
      } 
      catch(err) {
        document.getElementById('vandalblockinfo').innerHTML+= "Error " + response['error']['info'] + "<br />";
      }
      delete req;
    }
  }
  req.send(params)
}