// ==UserScript==// @name    bilibili B站地址bv号自动跳转回av号// @description 略// @language    zh-CN// @version 20200401// @match   *://*.bilibili.com/*// @author  mudan_cn// @run-at  document-start// @grant   unsafeWindow// @namespace https://greasyfork.org/users/70322// ==/UserScript==const table='fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF',s=[11,10,3,8,4,6],xor=177451812,add=8728348608;switch([/www\.bilibili\.com\/video\/BV/,/(search|space)\.bilibili\.com/].findIndex(e => e.test(location.href))){case 0:location.pathname = `/video/${dec(location.pathname.replace('/video/', ''))}`;break;case 1:unsafeWindow.onload = function() {document.querySelectorAll('a[href*="/BV"]').forEach(e => {var url = new URL(e.href);url.pathname = `/video/${dec(url.pathname.replace('/video/', ''))}`;e.href = url.href;});};break;case -1:}function dec(x){var i, r = 0;for(i of Array(6).keys())r += table.indexOf(x[s[i]])*58**i;return `av${(r-add)^xor}`;}function enc(x){x=(parseInt(x)^xor)+add;var i, r=[...'BV1  4 1 7  '];for(i of Array(6).keys())r[s[i]]=table[Math.floor(x/58**i)%58]return r.join('')}