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userjs.js
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userjs.js
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'use strict';
/* global GM_xmlhttpRequest */
var md5 = require('./lib/md5');
/* подпись запроса */
function sign(url, appid) {
var scope = [];
scope.push('kAY54boSH+'); // salt 1
scope.push( url.split('/').slice(0, -1).join('/') + "/" );
scope.push(appid); //appid
scope.push(50); // sp
scope.push('gUnS60oleO^'); // salt 2
return md5(md5( scope.join("|") ));
}
/* формирует строку запроса к АПИ */
function createPostData(url) {
var appid = md5(Math.random().toString());
var apiqs = {
action: "LINK_GET_DIRECT",
link: url,
appid: appid,
version: 3,
free_link: 1,
sh: sign(url, appid),
sp: 50
};
return Object.keys(apiqs).map(function(key){
return key + "=" + apiqs[key];
}).join("&");
}
function draw(url){
// создаём кнопку-скачалку
var a = document.createElement("a");
a.href = url;
a.className = "highlight-s";
a.textContent = "download";
a.style.textTransform = "uppercase";
a.style.font = "400 20px/2 Tahoma, Arial, sans-serif";
a.style.display = "block";
a.target = "_blank";
var before = document.getElementById("page-content").firstChild;
before.parentNode.insertBefore(a, before);
// создаём кнопку-попрошайку
var donate = '<iframe frameborder="0" allowtransparency="true" scrolling="no" src="https://money.yandex.ru/embed/small.xml?account=41001781731116&quickpay=small&any-card-payment-type=on&button-text=06&button-size=m&button-color=black&targets=UserJS&default-sum=50&successURL=" width="212" height="42"></iframe>';
var domparser = new DOMParser();
var donateDocument = domparser.parseFromString(donate, "text/html");
before.parentNode.insertBefore(donateDocument.body.firstChild, before);
}
function getLink() {
var sky = document.getElementById('link_for_downloader');
if (sky) {
return sky.value;
} else {
return location.href;
}
}
function main() {
/* jshint -W064 */
GM_xmlhttpRequest({
method: "POST",
url: "http://api.letitbit.net/internal/index4.php",
data: createPostData( getLink() ),
headers: {
"Content-Type": "application/x-www-form-urlencoded",
"User-Agent": ""
},
onload: function(xhr) {
var data = xhr.responseText.split('\n');
if ( data[0].toLowerCase() == "ok" ) {
draw( data[2] );
} else {
console.log( 'что-то пошло не так...', data );
}
},
onerror: function() {
console.error('error');
}
});
}
window.addEventListener('DOMContentLoaded', main, false);
window.prompt = null;