checkbans-old.js

// This is used for older Steam pages (before new design, such as Steam group members)

// Javascript does not work well with integers greater than 53 bits precision... So we need
// to do our maths using strings.
function getDigit(x, digitIndex) {
  return digitIndex >= x.length ? '0' : x.charAt(x.length - digitIndex - 1);
}
function prefixZeros(strint, zeroCount) {
  var result = strint;
  for (var i = 0; i < zeroCount; i++) {
    result = '0' + result;
  }
  return result;
}
//Only works for positive numbers, which is fine in our use case.
function add(x, y) {
  var maxLength = Math.max(x.length, y.length);
  var result = '';
  var borrow = 0;
  var leadingZeros = 0;
  for (var i = 0; i < maxLength; i++) {
    var lhs = Number(getDigit(x, i));
    var rhs = Number(getDigit(y, i));
    var digit = lhs + rhs + borrow;
    borrow = 0;
    while (digit >= 10) {
      digit -= 10;
      borrow++;
    }
    if (digit === 0) {
      leadingZeros++;
    } else {
      result = String(digit) + prefixZeros(result, leadingZeros);
      leadingZeros = 0;
    }
  }
  if (borrow > 0) {
    result = String(borrow) + result;
  }
  return result;
}

function getId(friend) {
  var steam64identifier = '76561197960265728';
  var miniProfileId = friend.attributes.getNamedItem('data-miniprofile').value;
  return add(steam64identifier, miniProfileId);
}

var friends = [].slice.call(
  document.querySelectorAll(
    '#memberList .member_block, #memberManageList .member_block, .friendHolder, .friendBlock '
  )
);
var lookup = {};

friends.forEach(function (friend) {
  var id = getId(friend);
  if (!lookup[id]) {
    lookup[id] = [];
  }
  lookup[id].push(friend);
});

function setVacation(player) {
  var friendElements = lookup[player.SteamId];

  friendElements.forEach(function (friend) {
    var inGameText = friend.querySelector('.member_block_content.in-game');
    var span = document.createElement('span');
    span.style.fontWeight = 'bold';
    span.style.display = 'block';

    if (inGameText) {
      inGameText.innerHTML = inGameText.innerHTML.replace('<br>', ': ');
    }
    if (friend.querySelector('.friendSmallText')) {
      friend.querySelector('.friendSmallText').style.fontSize = 'smaller';
    }

    if (player.NumberOfVACBans || player.NumberOfGameBans) {
      var text = '';

      if (player.NumberOfGameBans) {
        text +=
          player.NumberOfGameBans +
          ' OW ban' +
          (player.NumberOfGameBans > 1 ? 's' : '');
      }

      if (player.NumberOfVACBans) {
        text +=
          (text === '' ? '' : ', ') +
          player.NumberOfVACBans +
          ' VAC ban' +
          (player.NumberOfVACBans > 1 ? 's' : '');
      }
      text +=
        ' ' +
        player.DaysSinceLastBan +
        ' day' +
        (player.DaysSinceLastBan > 1 ? 's' : '') +
        ' ago.';

      span.style.color = 'rgb(255, 73, 73)';
      span.textContent = text;
    } else if (greentext) {
      span.style.color = 'rgb(43, 203, 64)';
      span.textContent = 'No Bans for this player.';
    }

    friend.querySelector('.friendSmallText').appendChild(span);
  });
}

function onData(xmlHttp) {
  if (xmlHttp.readyState === XMLHttpRequest.DONE && xmlHttp.status === 200) {
    var data = JSON.parse(xmlHttp.responseText);
    data.players.forEach(setVacation);
  }
}

function makeApiCall(ids, apikey) {
  var xmlHttp = new XMLHttpRequest();
  //API only allows 100 steam ids at once.
  var endpointRoot =
    'https://api.steampowered.com/ISteamUser/GetPlayerBans/v1/?key=' +
    apikey +
    '&steamids=';
  var endpoint = endpointRoot + ids.join(',');

  xmlHttp.onreadystatechange = function () {
    onData(xmlHttp);
  };
  xmlHttp.open('GET', endpoint, true);
  xmlHttp.send();
}

var defaultkeys = [
  '5DA40A4A4699DEE30C1C9A7BCE84C914',
  '5970533AA2A0651E9105E706D0F8EDDC',
  '2B3382EBA9E8C1B58054BD5C5EE1C36A'
];
var greentext = true;
chrome.storage.sync.get(['customapikey', 'greentext'], function (data) {
  if (typeof data['greentext'] == 'undefined') {
    chrome.storage.sync.set({
      greentext: true
    });
  } else {
    greentext = data['greentext'];
  }
  if (typeof data['customapikey'] == 'undefined') {
    var apikey = defaultkeys[Math.floor(Math.random() * 3)];
  } else {
    var apikey = data['customapikey'];
  }
  var ids = Object.keys(lookup);
  while (ids.length > 0) {
    var batch = ids.splice(0, 100);
    makeApiCall(batch, apikey);
  }
});