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vac.js
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vac.js
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(function () {
let apiKey = 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
index = {},
querySelector = '.friend_block_v2',
segment,
steamCommunityIds,
steamProfiles = [].slice.call(document.querySelectorAll(querySelector));
/**
* Apply Calculations with Strings
*
* @param {String} a
* @param {String} b
* @returns {String}
*/
function add(a, b) {
let aReversed,
bReversed,
i,
next,
result = [],
sum;
aReversed = a.split('').reverse();
bReversed = b.split('').reverse();
for (i = 0; aReversed[i] >= 0 || bReversed[i] >= 0; i++) {
sum = (parseInt(aReversed[i], 10) || 0) + (parseInt(bReversed[i], 10) || 0);
if (!result[i]) {
result[i] = 0;
}
next = (result[i] + sum) / 10 | 0;
result[i] = (result[i] + sum) % 10;
if (next) {
result[i + 1] = next;
}
}
return result.reverse().join('');
}
/**
* Calculate Steam Community ID from `[data-miniprofile]` (SteamID3)
*
* @param {Object} steamProfile
* @returns {String}
*/
function getCommunityId(steamProfile) {
let base = '76561197960265728', // Buttery Biscuit Base
steamId3 = steamProfile.dataset.miniprofile;
return add(base, steamId3);
}
steamProfiles.forEach(function (steamProfile) {
let steamId64 = getCommunityId(steamProfile);
if (!index[steamId64]) {
index[steamId64] = [];
}
index[steamId64].push(steamProfile);
});
/**
* Apply Bans to Players ("Enjoy VAC!")
*
* @param {Object} player
* @property {String} player.SteamId
* @property {Boolean} player.VACBanned
* @property {Number} player.NumberOfVACBans
* @property {Number} player.DaysSinceLastBan
* @property {Number} player.NumberOfGameBans
* @see {@link https://developer.valvesoftware.com/wiki/Steam_Web_API#Result_layout_6|Steam Web API (GetPlayerBans)}
*/
function applyVacation(player) {
let steamProfileElements = index[player.SteamId];
steamProfileElements.forEach(function (steamProfileElement) {
let div = document.createElement('div'),
friendSmallText = steamProfileElement.querySelector('.friend_small_text'),
text = '';
if (player.NumberOfGameBans || player.VACBanned) {
if (player.NumberOfGameBans) {
text += player.NumberOfGameBans + ' OW';
}
if (player.VACBanned) {
text += (text === '' ? '' : ', ') + player.NumberOfVACBans + ' VAC';
}
text += ' ' + player.DaysSinceLastBan + ' days ago';
div.style.color = '#a94847';
div.innerHTML = text;
} else {
steamProfileElement.style.opacity = '0.1337';
}
friendSmallText.innerHTML = '';
friendSmallText.appendChild(div);
});
}
/**
* Create HTTP Request to Steam API
*
* @param {Object} players
* @see {@link https://developer.valvesoftware.com/wiki/Steam_Web_API|Steam Web API}
*/
function getPlayerBans(players) {
let method = 'GET',
responseText,
steamIds = players.join(','),
url = 'https://api.steampowered.com/ISteamUser/GetPlayerBans/v1/?key=' + apiKey + '&steamids=' + steamIds,
xhr = new XMLHttpRequest();
xhr.open(method, url, true);
/** @property {Object} players */
xhr.onreadystatechange = function () {
if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
responseText = JSON.parse(xhr.responseText);
responseText.players.forEach(applyVacation);
}
};
xhr.send();
}
steamCommunityIds = Object.keys(index);
// Segment IDs for HTTP Requests (Steam Web API Allows 100 Per Request)
while (steamCommunityIds.length > 0) {
segment = steamCommunityIds.splice(0, 100);
getPlayerBans(segment);
}
})();