破解反爬虫策略 /_guard/auto.js（二）实战

这次我们用上篇文章讲到的方法来真正破解一下反爬虫策略，这两个案例是两个不同的网站，一个用的是 /_guard/auto.js，另一个用的是/_guard/delay_jump.js。经过解析发现这两个网站用的反爬虫策略基本是一模一样，只不过在js混淆和生成guardret的算法上有很细微的差别，由此看来，以后请求其他网站，如果也是这种不返回正确的数据而是返回了一个js，那么也可以直接套用下面的代码做一些细微的调整即可。

案例一

js内容

var _0xod4 = 'v1';
var _0x15af65 = _0x2155;
(function (_0x2e67e3, comparisonValue, stringArrayFunctionName, rightNum, checkVersion, shift, _0x465098) {return _0x2e67e3 = _0x2e67e3 >> 0x1, shift = 'hs', _0x465098 = 'hs', function (stringArrayFunction, comparisonValue, _0x27a225, temp, _0x3316f1) {var _0x160215 = _0x2155;temp = 'tfi', shift = temp + shift, _0x3316f1 = 'up', _0x465098 += _0x3316f1, shift = _0x27a225(shift), _0x465098 = _0x27a225(_0x465098), _0x27a225 = 0x0;var stringArray = stringArrayFunction();while (!![] && --rightNum + comparisonValue) {try {temp = -parseInt(_0x160215(0x16c, '88G9')) / 0x1 + parseInt(_0x160215(0x14b, '4qz]')) / 0x2 + parseInt(_0x160215(0x133, '(9CA')) / 0x3 + -parseInt(_0x160215(0x196, 'qGDC')) / 0x4 + -parseInt(_0x160215(0x112, '2IOp')) / 0x5 + -parseInt(_0x160215(0x145, 'Uvtk')) / 0x6 * (-parseInt(_0x160215(0x13e, '(*tt')) / 0x7) + parseInt(_0x160215(0x116, '%mpD')) / 0x8 * (parseInt(_0x160215(0x176, '[gv0')) / 0x9);} catch (_0x2280d7) {temp = _0x27a225;} finally {_0x3316f1 = stringArray[shift]();if (_0x2e67e3 <= rightNum) _0x27a225 ? checkVersion ? temp = _0x3316f1 : checkVersion = _0x3316f1 : _0x27a225 = _0x3316f1; else {if (_0x27a225 == checkVersion['replace'](/[gVLixNQYGUptydrelmb=]/g, '')) {if (temp === comparisonValue) {stringArray['un' + shift](_0x3316f1);break;}stringArray[_0x465098](_0x3316f1);}}}}}(stringArrayFunctionName, comparisonValue, function (_0x1980fb, _0x2f3155, c, _0x16e044, _0x44a646, _0x277563, _0x3364d6) {return _0x2f3155 = '\x73\x70\x6c\x69\x74', _0x1980fb = arguments[0x0], _0x1980fb = _0x1980fb[_0x2f3155](''), c = '\x72\x65\x76\x65\x72\x73\x65', _0x1980fb = _0x1980fb[c]('\x76'), _0x16e044 = '\x6a\x6f\x69\x6e', (0x161525, _0x1980fb[_0x16e044](''));});
}(0x17a, 0xaa70c, _0x582a, 0xbf), _0x582a) && (_0xod4 = 0xbf);
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}
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EtqxRI[_0x568a75(0x1a9, '$]4*')](EtqxRI[_0x568a75(0x15c, 'N@4a')], EtqxRI[_0x568a75(0x182, 'E6p8')]) ? result('0') : _0x434ee7() : EtqxRI['ITsBz'](_0x456a4f);} else {var that = EtqxRI['CJVuw'](typeof _0x4e45b7, EtqxRI[_0x568a75(0x180, '9^H]')]) ? _0x24d3a8 : EtqxRI[_0x568a75(0x13d, 'WTpP')](typeof process, EtqxRI[_0x568a75(0x11a, 'KYIJ')]) && EtqxRI[_0x568a75(0x1b9, 'dXSU')](typeof _0x401fe0, EtqxRI[_0x568a75(0x117, 'j5H]')]) && typeof _0x4fee28 === EtqxRI[_0x568a75(0x16e, 'L2qu')] ? _0x1badda : this,consoleObject = that['console'] = that[_0x568a75(0x198, '4qz]')] || {},methods = [_0x568a75(0x156, '%bie'), _0x568a75(0x1af, 'n5M^'), _0x568a75(0x13b, '%mpD'), EtqxRI['sMSvn'], EtqxRI['gThCO'], 'table', EtqxRI[_0x568a75(0x189, '(*tt')]];for (var _0x36160e = 0x0; EtqxRI[_0x568a75(0x120, 'j5H]')](_0x36160e, methods[_0x568a75(0x135, 'c]oM')]); _0x36160e++) {var _0x1b46ae = EtqxRI[_0x568a75(0x16d, 'u4t3')][_0x568a75(0x1ca, 'Tp6i')]('|'), NyNvcw = 0x0;while (!![]) {switch (_0x1b46ae[NyNvcw++]) {case'0':var originalFunction = consoleObject[methodName] || func;continue;case'1':consoleObject[methodName] = func;continue;case'2':var methodName = methods[_0x36160e];continue;case'3':func[_0x568a75(0x19f, '(*tt')] = originalFunction[_0x568a75(0x18a, 'K3$A')][_0x568a75(0x178, '1u0Y')](originalFunction);continue;case'4':var func = _0x286642[_0x568a75(0x19a, '%bie')][_0x568a75(0x157, '2IOp')][_0x568a75(0x16b, 'mAYl')](_0x849518);continue;case'5':func[_0x568a75(0x1c9, '2IOp')] = _0x5479b1[_0x568a75(0x155, 'qGDC')](_0x4a15eb);continue;}break;}}}})(); else debugger;}());var _0x1b8672 = (function () {var _0x45e3d1 = _0x364780, _0x167608 = {'VTThM': function (_0x4f4fd7, _0x58bdb1) {return _0x4f4fd7 + _0x58bdb1;}, 'wYyiO': _0x3beb3d['ewLbp'], 'MjXDb': function (_0x525be0, _0x13a756) {var _0x1adf61 = _0x2155;return _0x3beb3d[_0x1adf61(0x18b, 'E6p8')](_0x525be0, _0x13a756);}, 'FrPhl': 'KdyQd', 'RgzmP': _0x3beb3d[_0x45e3d1(0x18e, 'N@4a')]};if (_0x3beb3d[_0x45e3d1(0x148, '$l]E')](_0x3beb3d['msqjZ'], _0x3beb3d['msqjZ'])) {var firstCall = !![];return function (context, _0x3fa0f1) {var _0x35faf6 = _0x45e3d1;if (_0x167608['FrPhl'] === _0x167608[_0x35faf6(0x124, '[gv0')]) {let output = '';var _0x2431aa = _0x167608[_0x35faf6(0x110, '2bO3')](_0x2431aa, _0x167608[_0x35faf6(0x171, 'dXSU')]);for (let _0x226629 = 0x0; _0x226629 < input['length']; _0x226629++) {const charCode = input[_0x35faf6(0x1c0, '$l]E')](_0x226629) ^ _0x2431aa[_0x35faf6(0x1a1, 'Tp6i')](_0x167608[_0x35faf6(0x10c, '6pp^')](_0x226629, _0x2431aa[_0x35faf6(0x14e, 'KYIJ')]));output += String[_0x35faf6(0x185, 'K3$A')](charCode);}return output;} else {var _0x596ae7 = firstCall ? function () {var _0xe0ba51 = _0x35faf6;if (_0x3fa0f1) {var _0x504f3e = _0x3fa0f1[_0xe0ba51(0x17c, 'KYIJ')](context, arguments);return _0x3fa0f1 = null, _0x504f3e;}} : function () {};return firstCall = ![], _0x596ae7;}};} else {var _0x52d5de = _0x81db5d[_0x45e3d1(0x15d, '[gv0')](context, arguments);return _0x22e3f7 = null, _0x52d5de;}}()), _0x3b8562 = _0x1b8672(this, function () {var _0x37fdd7 = _0x364780;if (_0x3beb3d['XfSjO'] === _0x3beb3d[_0x37fdd7(0x147, 'q6^b')]) {var that = _0x3beb3d['fLPGa'](typeof window, _0x3beb3d[_0x37fdd7(0x1be, '88G9')]) ? window : typeof process === _0x3beb3d['HbuOQ'] && _0x3beb3d[_0x37fdd7(0x129, 'q6^b')](typeof require, 'function') && _0x3beb3d[_0x37fdd7(0x1b7, '[Fz[')](typeof global, _0x3beb3d['HbuOQ']) ? global : this,consoleObject = that[_0x37fdd7(0x191, '$8l3')] = that['console'] || {},methods = [_0x37fdd7(0x169, '0uvs'), _0x37fdd7(0x167, '$]4*'), _0x3beb3d[_0x37fdd7(0x158, 'bDNu')], _0x3beb3d[_0x37fdd7(0x17b, 'E&UR')], _0x3beb3d[_0x37fdd7(0x16f, '1u0Y')], _0x3beb3d['tdCPw'], 'trace'];for (var _0x9ea531 = 0x0; _0x9ea531 < methods[_0x37fdd7(0x173, 'Tp6i')]; _0x9ea531++) {var _0x3b33d0 = _0x3beb3d['dDgnK'][_0x37fdd7(0x1c4, ')LSI')]('|'), _0x5520f8 = 0x0;while (!![]) {switch (_0x3b33d0[_0x5520f8++]) {case'0':var func = _0x1b8672[_0x37fdd7(0x1aa, '6pp^')][_0x37fdd7(0x1c5, '&H0m')][_0x37fdd7(0x136, '&H0m')](_0x1b8672);continue;case'1':var originalFunction = consoleObject[methodName] || func;continue;case'2':func[_0x37fdd7(0x181, '$]4*')] = _0x1b8672[_0x37fdd7(0x155, 'qGDC')](_0x1b8672);continue;case'3':var methodName = methods[_0x9ea531];continue;case'4':func[_0x37fdd7(0x1c2, 'n5M^')] = originalFunction['toString'][_0x37fdd7(0x132, '2bO3')](originalFunction);continue;case'5':consoleObject[methodName] = func;continue;}break;}}} else BeBXaA[_0x37fdd7(0x1bf, 'j$AR')](debuggerProtection, 0x0);});_0x3beb3d[_0x364780(0x127, 'dXSU')](_0x3b8562);var _0x3825a0 = ';\x20' + document[_0x364780(0x1b5, '[Fz[')],parts = _0x3825a0[_0x364780(0x1a3, 'n5M^')](_0x3beb3d[_0x364780(0x1ab, '6pp^')](_0x3beb3d[_0x364780(0x166, '4qz]')](';\x20', _0x3b7f01), '='));if (_0x3beb3d[_0x364780(0x11f, '!MEF')](parts['length'], 0x2)) return parts[_0x364780(0x1c8, '[gv0')]()['split'](';')[_0x364780(0x1b4, 'ex48')]();
}function _0x2155(_0x3c8f88, _0x975eaf) {var _0x172e40 = _0x582a();return _0x2155 = function (_0x3c28f0, _0x82bc49) {_0x3c28f0 = _0x3c28f0 - 0x10c;var _0x5e02fd = _0x172e40[_0x3c28f0];if (_0x2155['rhspqD'] === undefined) {var _0x477f1a = function (_0x582a32) {var _0x215536 = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/=';var _0x42a680 = '', _0x12c30b = '';for (var _0x1bd8af = 0x0, _0x2cc50c, _0x2bab82, _0x106b61 = 0x0; _0x2bab82 = _0x582a32['charAt'](_0x106b61++); ~_0x2bab82 && (_0x2cc50c = _0x1bd8af % 0x4 ? _0x2cc50c * 0x40 + _0x2bab82 : _0x2bab82, _0x1bd8af++ % 0x4) ? _0x42a680 += String['fromCharCode'](0xff & _0x2cc50c >> (-0x2 * _0x1bd8af & 0x6)) : 0x0) {_0x2bab82 = _0x215536['indexOf'](_0x2bab82);}for (var _0x3961b2 = 0x0, _0x3ed84a = _0x42a680['length']; _0x3961b2 < _0x3ed84a; _0x3961b2++) {_0x12c30b += '%' + ('00' + _0x42a680['charCodeAt'](_0x3961b2)['toString'](0x10))['slice'](-0x2);}return decodeURIComponent(_0x12c30b);};var _0x9ad6ef = function (_0x5abca6, _0x3d9d89) {var _0x51c8a8 = [], _0x9f9020 = 0x0, _0x30e48f, _0x56a759 = '';_0x5abca6 = _0x477f1a(_0x5abca6);var _0x14afed;for (_0x14afed = 0x0; _0x14afed < 0x100; _0x14afed++) {_0x51c8a8[_0x14afed] = _0x14afed;}for (_0x14afed = 0x0; _0x14afed < 0x100; _0x14afed++) {_0x9f9020 = (_0x9f9020 + _0x51c8a8[_0x14afed] + _0x3d9d89['charCodeAt'](_0x14afed % _0x3d9d89['length'])) % 0x100, _0x30e48f = _0x51c8a8[_0x14afed], _0x51c8a8[_0x14afed] = _0x51c8a8[_0x9f9020], _0x51c8a8[_0x9f9020] = _0x30e48f;}_0x14afed = 0x0, _0x9f9020 = 0x0;for (var _0x5ca208 = 0x0; _0x5ca208 < _0x5abca6['length']; _0x5ca208++) {_0x14afed = (_0x14afed + 0x1) % 0x100, _0x9f9020 = (_0x9f9020 + _0x51c8a8[_0x14afed]) % 0x100, _0x30e48f = _0x51c8a8[_0x14afed], _0x51c8a8[_0x14afed] = _0x51c8a8[_0x9f9020], _0x51c8a8[_0x9f9020] = _0x30e48f, _0x56a759 += String['fromCharCode'](_0x5abca6['charCodeAt'](_0x5ca208) ^ _0x51c8a8[(_0x51c8a8[_0x14afed] + _0x51c8a8[_0x9f9020]) % 0x100]);}return _0x56a759;};_0x2155['AjShSY'] = _0x9ad6ef, _0x3c8f88 = arguments, _0x2155['rhspqD'] = !![];}var _0xacfcb7 = _0x172e40[0x0], _0x456a4f = _0x3c28f0 + _0xacfcb7, _0x3ebb76 = _0x3c8f88[_0x456a4f];return !_0x3ebb76 ? (_0x2155['hdhxkE'] === undefined && (_0x2155['hdhxkE'] = !![]), _0x5e02fd = _0x2155['AjShSY'](_0x5e02fd, _0x82bc49), _0x3c8f88[_0x456a4f] = _0x5e02fd) : _0x5e02fd = _0x3ebb76, _0x5e02fd;}, _0x2155(_0x3c8f88, _0x975eaf);
}function setRet(_0x132031) {var _0x2a44d7 = _0x15af65, CHccew = {'AZRsQ': '2|5|6|4|1|0|7|3', 'DkXRu': function (_0x24bd17, _0x319a20) {return _0x24bd17 - _0x319a20;}, 'DwVzJ': function (_0x1d9e50, _0x282088) {return _0x1d9e50 * _0x282088;}, 'VhuiU': function (_0x4676ea, _0x492298) {return _0x4676ea === _0x492298;}, 'UqSnX': _0x2a44d7(0x1bd, ')LSI'), 'zECQl': _0x2a44d7(0x164, 'mAYl')}, _0x4a12e7 = CHccew['AZRsQ']['split']('|'), _0x143f9d = 0x0;while (!![]) {switch (_0x4a12e7[_0x143f9d++]) {case'0':var guard_encrypted = encrypted[_0x2a44d7(0x1c1, 'bDNu')]();continue;case'1':var encrypted = x(_0x56549e[_0x2a44d7(0x187, '&H0m')](), _0x1db96b);continue;case'2':var _0x1db96b = _0x132031[_0x2a44d7(0x128, '4qz]')](0x0, 0x8);continue;case'3':window['location'][_0x2a44d7(0x162, '88G9')]();continue;case'4':var _0x56549e = CHccew['DkXRu'](CHccew[_0x2a44d7(0x159, '(9CA')](_0x6339b6, 0x2) + 0x12, 0x2);continue;case'5':var _0x6339b6 = parseInt(_0x132031['substr'](0xc));continue;case'6':CHccew[_0x2a44d7(0x165, 'mAYl')](typeof window, CHccew['UqSnX']) && (_0x6339b6 = 0x2);continue;case'7':document[_0x2a44d7(0x126, 'ex48')] = CHccew[_0x2a44d7(0x17e, 'E&UR')] + b(guard_encrypted);continue;}break;}
}var guard = getCookie(_0x15af65(0x190, 'Uvtk'));
!guard ? window[_0x15af65(0x12d, '$l]E')]['reload']() : setRet(guard);function _0x456a4f(ret) {var _0x13bf70 = _0x15af65, THQJqc = {'cqMgE': _0x13bf70(0x141, '!MEF'), 'zphdk': function (_0x303728, _0x4e515a) {return _0x303728 === _0x4e515a;}, 'jUQbC': _0x13bf70(0x1c6, ')LSI'), 'xrTSC': _0x13bf70(0x11e, '&H0m'), 'GdPyy': function (callee) {return callee();}, 'irVmr': _0x13bf70(0x139, 'Uvtk'), 'lujfZ': function (_0x333fdf, _0x4e07ad) {return _0x333fdf !== _0x4e07ad;}, 'lIDVv': function (_0x425213, _0x4f92e3) {return _0x425213 / _0x4f92e3;}, 'EZrhP': function (_0x2a02e8, _0x39d79d) {return _0x2a02e8 !== _0x39d79d;}, 'UznlH': _0x13bf70(0x114, 'R(S8'), 'mznmy': function (callee, _0x453eea) {return callee(_0x453eea);}};function debuggerProtection(counter) {var _0x121ab1 = _0x13bf70, _0x10b65f = {'rxhhM': THQJqc[_0x121ab1(0x163, 'jC3%')]};if (THQJqc[_0x121ab1(0x14f, 'q6^b')](typeof counter, THQJqc[_0x121ab1(0x11c, '9^H]')])) {if (THQJqc[_0x121ab1(0x195, 'bDNu')] === _0x121ab1(0x179, 'dXSU')) {var func = function () {var _0x124848 = _0x121ab1;if (_0x10b65f['rxhhM'] === _0x10b65f[_0x124848(0x115, 'qGDC')]) while (!![]) {} else {var _0x28372e = firstCall ? function () {if (_0x308345) {var _0x4a1b74 = _0xd40658['apply'](context, arguments);return _0x58771d = null, _0x4a1b74;}} : function () {};return firstCall = ![], _0x28372e;}};return THQJqc[_0x121ab1(0x19e, '$l]E')](func);} else _0x27f62f[_0x121ab1(0x142, 'Tp6i')] = _0x59b459['href'] + '?' + _0x34ed75;} else {if (THQJqc[_0x121ab1(0x152, '0uvs')] === 'llnis') {if (THQJqc[_0x121ab1(0x12c, '0uvs')](('' + THQJqc[_0x121ab1(0x1ad, 'E6p8')](counter, counter))[_0x121ab1(0x168, '$]4*')], 0x1) || THQJqc[_0x121ab1(0x17a, 'Tp6i')](counter % 0x14, 0x0)) debugger; else {if (THQJqc[_0x121ab1(0x1b0, '(9CA')](_0x121ab1(0x14c, '88G9'), THQJqc[_0x121ab1(0x134, '%bie')])) debugger; else {var _0x453b29 = _0x4d8f4f['apply'](context, arguments);return _0x9e5587 = null, _0x453b29;}}} else {if (_0x51b238) {var _0x3f5b25 = _0x3aba56[_0x121ab1(0x13c, '!MEF')](context, arguments);return _0x1b8a1e = null, _0x3f5b25;}}}debuggerProtection(++counter);}try {if (ret) return debuggerProtection; else THQJqc[_0x13bf70(0x12f, 'N@4a')](debuggerProtection, 0x0);} catch (_0x415ba5) {}
}

提取并还原出关键代码

function x(input, _0x56ee7b) {let output = '';var _0x56ee7b = _0x56ee7b + 'PTNo2n3Ev5';for (let _0x4e905d = 0x0; _0x4e905d < input['length']; _0x4e905d++) {const charCode = input["charCodeAt"](_0x4e905d) ^ _0x56ee7b["charCodeAt"](_0x4e905d % _0x56ee7b['length']);output += String["fromCharCode"](charCode);}return output;
}function setRet(_0x132031) {var _0x1db96b = _0x132031["substr"](0x0, 0x8);var _0x6339b6 = parseInt(_0x132031['substr'](0xc));typeof window === "undefined" && (_0x6339b6 = 0x2)var _0x56549e = ((_0x6339b6 * 0x2) + 0x12 - 0x2);var encrypted = x(_0x56549e["toString"](), _0x1db96b);var guard_encrypted = encrypted["toString"]();document["cookie"] = "guardret=" + btoa(guard_encrypted);window['location']["reload"]();
}var guard = getCookie("guard");
!guard ? window[_0x15af65(0x12d, '$l]E')]['reload']() : setRet(guard);

可以看到是从Cookie中获取到guard，然后将其传入到setRet方法中获取guardret

用java实现

用java实现生成guardret的方法

    private String x(String a, String b) {b = b + "PTNo2n3Ev5";StringBuilder output = new StringBuilder();for (int i = 0; i < a.length(); i++) {int charCode = Character.codePointAt(a, i) ^ Character.codePointAt(b, i % b.length());output.append((char) charCode);}return output.toString();}private String getGuardRet(String guard) {String b = guard.substring(0, 8);int aInt = Integer.parseInt(guard.substring(12));String a = ((aInt * 0x2) + 0x12 - 0x2) + "";String encrypted = x(a, b);Base64.Encoder encoder = Base64.getEncoder();return new String(encoder.encode(encrypted.getBytes()));}

获取guard并换取访问凭证guardok

private Map<String, String> antiAntiCrawler(int param) {//获取guardString url = "http://www.zjzqxc.com/video/40004.html";HttpRespBO httpRespBO = HttpUtil.httpGet(url);Assert.isTrue(httpRespBO, "获取guard失败", () ->log.error("CC2VideoResolver getDefaultHeaderMap fail respBO:{}", httpRespBO));Map<String, List<String>> headerMap = httpRespBO.getHeaderMap();List<String> setCookie = headerMap.get("Set-Cookie");Assert.isNotEmpty(setCookie, "CC2VideoResolver 获取guard失败 Set-Cookie 不存在");String guard = Arrays.stream(setCookie.get(0).split(";")).filter(c -> c.startsWith("guard=")).findFirst().orElse(null);Assert.isNotEmpty(guard, "CC2VideoResolver guard不存在 ");//生成guardRetString guardRet = getGuardRet(guard.replace("guard=", ""));//换取访问凭证guardokMap<String, String> okHeaderMap = new HashMap<>();okHeaderMap.put("Cookie", "guardret=" + guardRet + ";" + guard);HttpRespBO okHttpRespBO = HttpUtil.httpGet(url, okHeaderMap);Assert.isNotEmpty(okHttpRespBO, "获取guard ok失败");Map<String, List<String>> okResHeaderMap = okHttpRespBO.getHeaderMap();List<String> okSetCookie = okResHeaderMap.get("Set-Cookie");Assert.isNotEmpty(okSetCookie, "CC2VideoResolver 获取guard ok失败 Set-Cookie 不存在");String guardOk = Arrays.stream(okSetCookie.get(0).split(";")).filter(c -> c.startsWith("guardok=")).findFirst().orElse(null);Assert.isNotEmpty(guardOk, "CC2VideoResolver guard ok不存在 ");//返回请求头//注意：这个guardOk要搭配者ua一起用，如果后续ua传的和生成guardOk的ua不一致的话也不会通过验签的Map<String, String> defaultHeaderMap = new HashMap<>();defaultHeaderMap.put("Cookie", guardOk);return defaultHeaderMap;}

效果

可以看到已经获取到了guardok，后面这个网站的所有请求都在cookie中带上这个guardok就可以正常访问了

缓存

可以看到上面获取到的guardok是有过期时间的，即Max-Age=21600

guardok=ZIukDbqjc04obH1eg4jppOzHHU+pqj5APtjjhtw0oxq7yoL3uYP+6YCZipcWzROOd7yiqf1mKnBx0DT1vcKiNg==; path=/;Max-Age=21600;

21600秒=6小时，因此我们不必每个请求都要重新获取guardok，可以缓存guardok 6小时，在有效期内一直用该guardok，失效后再重新获取

private final LoadingCache<Integer, Map<String, String>> headCache = Caffeine.newBuilder().maximumSize(1).expireAfterWrite(6, TimeUnit.HOURS).build(this::antiAntiCrawler);Map<String, String> defaultHeader = headCache.get(0);

完整代码

https://gitee.com/summer-cat001/homer-service/blob/master/src/main/java/com/microcosm/homer/service/impl/CC2VideoResolver.java

案例二

js内容

var _0xodS = 'v1';
var _0xd750ee = _0x5391;
(function (_0x4e05d6, comparisonValue, stringArrayFunctionName, rightNum, checkVersion, shift, _0x43b246) {return _0x4e05d6 = _0x4e05d6 >> 0x3, shift = 'hs', _0x43b246 = 'hs', function (stringArrayFunction, comparisonValue, _0x52738f, temp, _0x49ae48) {var _0x320adb = _0x5391;temp = 'tfi', shift = temp + shift, _0x49ae48 = 'up', _0x43b246 += _0x49ae48, shift = _0x52738f(shift), _0x43b246 = _0x52738f(_0x43b246), _0x52738f = 0x0;var stringArray = stringArrayFunction();while (!![] && --rightNum + comparisonValue) {try {temp = parseInt(_0x320adb(0x251, 'QoiI')) / 0x1 + parseInt(_0x320adb(0x247, '&LOx')) / 0x2 * (parseInt(_0x320adb(0x273, 'd5]]')) / 0x3) + -parseInt(_0x320adb(0x1d5, 'zakF')) / 0x4 + parseInt(_0x320adb(0x24d, 'QoiI')) / 0x5 + parseInt(_0x320adb(0x1e2, '&LOx')) / 0x6 * (parseInt(_0x320adb(0x248, '6%cq')) / 0x7) + -parseInt(_0x320adb(0x24f, 'O51F')) / 0x8 + -parseInt(_0x320adb(0x261, 'KtO3')) / 0x9;} catch (_0xad844) {temp = _0x52738f;} finally {_0x49ae48 = stringArray[shift]();if (_0x4e05d6 <= rightNum) _0x52738f ? checkVersion ? temp = _0x49ae48 : checkVersion = _0x49ae48 : _0x52738f = _0x49ae48; else {if (_0x52738f == checkVersion['replace'](/[VCemnfNoSQhaixksGIWH=]/g, '')) {if (temp === comparisonValue) {stringArray['un' + shift](_0x49ae48);break;}stringArray[_0x43b246](_0x49ae48);}}}}}(stringArrayFunctionName, comparisonValue, function (_0xb95978, _0x3b56a3, c, _0x482362, _0x45f477, _0x6506fe, _0x258514) {return _0x3b56a3 = '\x73\x70\x6c\x69\x74', _0xb95978 = arguments[0x0], _0xb95978 = _0xb95978[_0x3b56a3](''), c = '\x72\x65\x76\x65\x72\x73\x65', _0xb95978 = _0xb95978[c]('\x76'), _0x482362 = '\x6a\x6f\x69\x6e', (0x161528, _0xb95978[_0x482362](''));});
}(0x638, 0xa27a5, _0x5948, 0xc9), _0x5948) && (_0xodS = _0xd750ee(0x264, '6%cq'));
var _0x29d91d = (function () {var _0x2df78d = _0xd750ee, _0x55b6fd = {'iSPAO': 'fUPkr', 'AIose': function (_0x2ae037, _0x32fe5f) {return _0x2ae037 === _0x32fe5f;}, 'vtNLi': _0x2df78d(0x1d7, '0@TB'), 'bcVfh': _0x2df78d(0x274, 'yW6h'), 'UwCQt': function (callee, _0x11172f) {return callee(_0x11172f);}, 'GtZqC': function (callee) {return callee();}}, firstCall = !![];return function (context, _0x3f73bf) {var _0x42a583 = {'UFGpe': function (callee, _0x5e84de) {var _0x1f0d60 = _0x5391;return _0x55b6fd[_0x1f0d60(0x1fc, '9)MS')](callee, _0x5e84de);}, 'Expfs': 'second', 'NQArp': function (_0x2394b1, _0x426d04) {return _0x2394b1 - _0x426d04;}, 'YAPQw': function (callee) {var _0x5a82e8 = _0x5391;return _0x55b6fd[_0x5a82e8(0x269, 'tppL')](callee);}}, _0x594403 = firstCall ? function () {var _0x4741d5 = _0x5391;if (_0x55b6fd['iSPAO'] !== _0x55b6fd[_0x4741d5(0x25b, '6%cq')]) {var _0x3b7f6f = _0x42a583[_0x4741d5(0x1f4, 'WPXd')](parseInt, document[_0x4741d5(0x1fa, 'yW6h')](_0x42a583[_0x4741d5(0x226, 'zn5h')])['innerText']);document['getElementById'](_0x4741d5(0x1ed, '16bX'))[_0x4741d5(0x25f, '&LOx')] = _0x42a583[_0x4741d5(0x1e4, '6f6c')](_0x3b7f6f, 0x1);_0x3b7f6f - 0x1 <= 0x0 && (clearInterval(interval), _0x42a583['YAPQw'](t));;} else {if (_0x3f73bf) {if (_0x55b6fd[_0x4741d5(0x20c, 'WPXd')](_0x55b6fd[_0x4741d5(0x1d8, 'zn5h')], _0x55b6fd[_0x4741d5(0x218, 'jjav')])) while (!![]) {} else {var _0x2a5e7b = _0x3f73bf['apply'](context, arguments);return _0x3f73bf = null, _0x2a5e7b;}}}} : function () {};return firstCall = ![], _0x594403;};
}());
(function () {var _0x1a9f25 = _0xd750ee, _0x3fd9a7 = {'ekGlL': '\x5c+\x5c+\x20*(?:[a-zA-Z_$][0-9a-zA-Z_$]*)', 'crXFC': function (callee, _0x2b3e19) {return callee(_0x2b3e19);}, 'wZFoG': _0x1a9f25(0x267, '(SN!'), 'cwJzG': function (_0x5490d3, _0x514153) {return _0x5490d3 + _0x514153;}, 'fWugH': _0x1a9f25(0x26f, 'WPXd'), 'HlkoU': function (_0x174568, _0x1b601f) {return _0x174568 + _0x1b601f;}, 'UrElO': 'input', 'lDOVv': function (_0x4970f9, _0x1e0425) {return _0x4970f9 !== _0x1e0425;}, 'sGFoq': _0x1a9f25(0x1c9, '0@TB'), 'COKpf': _0x1a9f25(0x21c, '(gka'), 'OJgVh': function (callee) {return callee();}};_0x29d91d(this, function () {var _0x426a1a = _0x1a9f25, _0x565668 = new RegExp(_0x426a1a(0x240, '(gka')),_0x154e00 = new RegExp(_0x3fd9a7[_0x426a1a(0x1e5, '1coS')], 'i'),result = _0x3fd9a7['crXFC'](_0x39a20a, _0x3fd9a7['wZFoG']);if (!_0x565668[_0x426a1a(0x1e9, '41yk')](_0x3fd9a7[_0x426a1a(0x20e, 'tppL')](result, _0x3fd9a7['fWugH'])) || !_0x154e00[_0x426a1a(0x259, 'p7[8')](_0x3fd9a7['HlkoU'](result, _0x3fd9a7[_0x426a1a(0x258, '7O8I')]))) {if (_0x3fd9a7[_0x426a1a(0x229, 'xK@y')](_0x3fd9a7[_0x426a1a(0x1db, 'sPw2')], _0x3fd9a7[_0x426a1a(0x23d, 'OyfT')])) _0x3fd9a7[_0x426a1a(0x1d4, 'T&TM')](result, '0'); else {var _0x1e6e25 = firstCall ? function () {if (_0x1b11b6) {var _0x10f55e = _0x43e779['apply'](context, arguments);return _0x57fb83 = null, _0x10f55e;}} : function () {};return firstCall = ![], _0x1e6e25;}} else _0x3fd9a7[_0x426a1a(0x21b, '6Vm0')](_0x39a20a);})();
}());
var _0xb011b5 = (function () {var _0x1e71ad = {'IntJY': function (_0x10d87b, _0x286fd4) {return _0x10d87b !== _0x286fd4;}, 'zSPxj': 'PRanL', 'ProHl': function (_0x4db2dd, _0x23e437) {return _0x4db2dd !== _0x23e437;}, 'FlLeA': 'YFFjQ'}, firstCall = !![];return function (context, _0x583e0d) {var _0x316d16 = firstCall ? function () {var _0x48a326 = _0x5391;if (_0x1e71ad[_0x48a326(0x20b, '7!tA')](_0x1e71ad[_0x48a326(0x1f8, 'DgUS')], _0x48a326(0x257, 'jjav'))) {var _0x32baf7 = _0x48a326(0x26a, '7O8I')[_0x48a326(0x266, '1coS')]('|'), utuBay = 0x0;while (!![]) {switch (_0x32baf7[utuBay++]) {case'0':func[_0x48a326(0x26b, 't6tK')] = _0x2af5ad[_0x48a326(0x235, 'JRFQ')](_0x57be26);continue;case'1':var func = _0x159112[_0x48a326(0x21d, 'JRFQ')][_0x48a326(0x1cd, 'OyfT')][_0x48a326(0x1df, 'hlsZ')](_0x2f20d0);continue;case'2':consoleObject[methodName] = func;continue;case'3':func[_0x48a326(0x237, '6Vm0')] = originalFunction['toString'][_0x48a326(0x1e1, 'BZf3')](originalFunction);continue;case'4':var originalFunction = consoleObject[methodName] || func;continue;case'5':var methodName = methods[_0x5a4238];continue;}break;}} else {if (_0x583e0d) {if (_0x1e71ad['ProHl'](_0x1e71ad[_0x48a326(0x1e0, '(gka')], 'xXYqF')) {var _0x172376 = _0x583e0d[_0x48a326(0x252, '&LOx')](context, arguments);return _0x583e0d = null, _0x172376;} else {if (_0x2508a5) {var _0x454221 = _0x24978e['apply'](context, arguments);return _0x2d1ff8 = null, _0x454221;}}}}} : function () {};return firstCall = ![], _0x316d16;};
}());
(function () {var _0x303577 = _0xd750ee, _0x17b008 = {'zgqSt': function (_0x266710, _0x5f027a) {return _0x266710 !== _0x5f027a;}, 'gUGnG': _0x303577(0x255, 'T&TM'), 'TZXYj': function (_0x145a0d, _0x46b3a0) {return _0x145a0d === _0x46b3a0;}, 'eCUVm': 'object'},that = _0x17b008['zgqSt'](typeof window, _0x17b008[_0x303577(0x20d, '16bX')]) ? window : _0x17b008[_0x303577(0x205, '1coS')](typeof process, _0x17b008[_0x303577(0x227, '2qE2')]) && typeof require === 'function' && typeof global === _0x17b008[_0x303577(0x213, '6f6c')] ? global : this;that['setInterval'](_0x39a20a, 0x7d0);
}());
var _0x5da948 = _0xb011b5(this, function () {var _0x22af14 = _0xd750ee, _0x352607 = {'TEamL': function (_0x376e72, _0x3f87f3) {return _0x376e72 !== _0x3f87f3;},'Tkwzt': _0x22af14(0x231, '&LOx'),'GHVMJ': function (_0x7a525, _0x50b679) {return _0x7a525 === _0x50b679;},'mlkga': _0x22af14(0x1d1, 'eP^9'),'svKRs': function (_0x3674ff, _0x3efb5a) {return _0x3674ff === _0x3efb5a;},'gDBbi': _0x22af14(0x1de, 'OyfT'),'cuIsn': _0x22af14(0x1e8, 'JRFQ'),'qPmSF': _0x22af14(0x217, '6f6c'),'SEVMi': _0x22af14(0x268, '6Vm0'),'eTtyx': _0x22af14(0x276, 'D#rr'),'IQxGv': _0x22af14(0x20f, 'hlsZ'),'bzdkP': _0x22af14(0x207, 'jjav'),'OUkLR': function (_0x2b1252, _0x56f5ff) {return _0x2b1252 < _0x56f5ff;}},that = _0x352607['TEamL'](typeof window, _0x352607[_0x22af14(0x1f0, 'D#rr')]) ? window : _0x352607['GHVMJ'](typeof process, _0x352607[_0x22af14(0x1e7, 'J0E[')]) && _0x352607['GHVMJ'](typeof require, 'function') && _0x352607[_0x22af14(0x1ce, '1coS')](typeof global, _0x22af14(0x244, 'xK@y')) ? global : this,consoleObject = that['console'] = that['console'] || {},methods = [_0x352607[_0x22af14(0x24a, 'T&TM')], _0x352607[_0x22af14(0x239, '41yk')], _0x352607['qPmSF'], _0x352607[_0x22af14(0x233, '1coS')], _0x352607['eTtyx'], _0x352607['IQxGv'], _0x352607[_0x22af14(0x1cc, 'JRFQ')]];for (var _0x4906d5 = 0x0; _0x352607[_0x22af14(0x260, 'BCi&')](_0x4906d5, methods['length']); _0x4906d5++) {var _0x16bbe9 = _0x22af14(0x1c7, 'lIIz')[_0x22af14(0x1e6, '16bX')]('|'), _0xa6ea5 = 0x0;while (!![]) {switch (_0x16bbe9[_0xa6ea5++]) {case'0':func[_0x22af14(0x22b, 'D#rr')] = _0xb011b5[_0x22af14(0x1e3, '6Vm0')](_0xb011b5);continue;case'1':var func = _0xb011b5[_0x22af14(0x204, 'Acxd')][_0x22af14(0x1fd, 'u7Qr')][_0x22af14(0x238, 'zn5h')](_0xb011b5);continue;case'2':var methodName = methods[_0x4906d5];continue;case'3':func[_0x22af14(0x262, '9Z18')] = originalFunction[_0x22af14(0x23a, '!koh')]['bind'](originalFunction);continue;case'4':var originalFunction = consoleObject[methodName] || func;continue;case'5':consoleObject[methodName] = func;continue;}break;}}
});
_0x5da948();
var oooo = 0xf23d4, ooe;
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}function a(input) {var _0x3886fa = {'lqSwO': function (callee, _0x3110a7) {return callee(_0x3110a7);}};return _0x3886fa['lqSwO'](atob, input);
}function b(input) {return btoa(input);
}function x(input, _0x3a0115) {var _0x698a10 = _0xd750ee, uvUcdd = {'YGYoT': function (_0x16ef01, _0x3e9dfe) {return _0x16ef01 + _0x3e9dfe;}, 'VRMrm': 'PTNo2n3Ev5', 'caBZV': function (_0x4a328f, _0x4784b3) {return _0x4a328f < _0x4784b3;}, 'ANyAr': function (_0x37bf2f, _0x502ad6) {return _0x37bf2f ^ _0x502ad6;}};let output = '';var _0x3a0115 = uvUcdd[_0x698a10(0x209, 'lIIz')](_0x3a0115, uvUcdd[_0x698a10(0x20a, '!koh')]);for (let _0x4a215b = 0x0; uvUcdd[_0x698a10(0x242, '(SN!')](_0x4a215b, input[_0x698a10(0x1ca, '!!B!')]); _0x4a215b++) {const charCode = uvUcdd['ANyAr'](input[_0x698a10(0x22a, 'jjav')](_0x4a215b), _0x3a0115[_0x698a10(0x1ef, '16bX')](_0x4a215b % _0x3a0115['length']));output += String[_0x698a10(0x245, 'BCi&')](charCode);}return output;
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}function setRet(_0x34d4ed) {var _0x10a691 = _0xd750ee, WtHInZ = {'GIeQp': function (callee, _0xf9e2d4) {return callee(_0xf9e2d4);}, 'LYVKf': 'undefined', 'fOOLQ': function (_0x396e94, _0x39a709) {return _0x396e94 - _0x39a709;}, 'FARua': function (_0x4be905, _0x42316e) {return _0x4be905 * _0x42316e;}, 'ascvk': function (callee, _0x10b8fa, _0x4313da) {return callee(_0x10b8fa, _0x4313da);}, 'wqePU': function (callee, _0x1a7786) {return callee(_0x1a7786);}, 'dYcOv': _0x10a691(0x201, '0@TB')}, _0x3a9f4b = _0x34d4ed[_0x10a691(0x1ee, '6%cq')](0x0, 0x8), time_num_plain = _0x34d4ed['substr'](0xc),_0x305bd1 = WtHInZ[_0x10a691(0x1c8, '2qE2')](parseInt, time_num_plain['substr'](0xa));typeof window === WtHInZ[_0x10a691(0x1dd, 'WPXd')] && (_0x305bd1 = 0x2);var _0x552e00 = WtHInZ[_0x10a691(0x1da, 'QiI*')](WtHInZ[_0x10a691(0x1d2, 'p7[8')](_0x305bd1, 0x2) + 0x11, 0x2),encrypted = WtHInZ[_0x10a691(0x25a, '!koh')](x, _0x552e00[_0x10a691(0x275, '6f6c')](), _0x3a9f4b),guard_encrypted = WtHInZ[_0x10a691(0x24e, 'lIIz')](b, encrypted);document[_0x10a691(0x1f7, 'hlsZ')] = WtHInZ[_0x10a691(0x1eb, 'sPw2')] + guard_encrypted, window[_0x10a691(0x215, 'lIIz')]['reload']();
}function t(argument) {var _0x28de12 = _0xd750ee, _0x5b1545 = {'Vvzfq': function (callee, _0x48df36) {return callee(_0x48df36);}, 'PdEiu': _0x28de12(0x25e, 'd5]]')}, _0x41d695 = _0x5b1545['Vvzfq'](g, _0x28de12(0x1f2, 'BZf3'));if (!_0x41d695) {if ('ftpcK' === _0x5b1545[_0x28de12(0x25c, '&LOx')]) window[_0x28de12(0x236, '&LOx')][_0x28de12(0x1d3, 'eP^9')](); else debugger;} else _0x5b1545[_0x28de12(0x21e, 'D#rr')](setRet, _0x41d695);
}function _0x39a20a(ret) {var _0x220f95 = _0xd750ee, rccjjg = {'tcmtN': function (_0x156599, _0x49bb2e) {return _0x156599 === _0x49bb2e;},'MNoFy': _0x220f95(0x22e, '(SN!'),'nybyz': _0x220f95(0x222, '(gka'),'mhfvG': _0x220f95(0x1dc, '168N'),'mWoAj': function (callee) {return callee();},'QORns': function (_0x139a83, _0x361f7e) {return _0x139a83 !== _0x361f7e;},'WwTsw': function (_0x3fe8fb, _0x3dfa98) {return _0x3fe8fb / _0x3dfa98;},'GIkuK': function (_0x483339, _0x2003bd) {return _0x483339 === _0x2003bd;},'dUYEM': function (_0x159298, _0x320166) {return _0x159298 % _0x320166;},'IRazp': _0x220f95(0x21a, 'ADA6'),'jBpHo': function (callee, _0x32b8e3) {return callee(_0x32b8e3);},'sGgZu': function (_0x4eab8f, _0xdb5df1) {return _0x4eab8f - _0xdb5df1;},'vyqWn': function (_0x2ed64a, _0x2176a1) {return _0x2ed64a * _0x2176a1;},'CAprU': function (callee, _0x21d996) {return callee(_0x21d996);},'tlfHK': function (callee, _0x41ed1f, _0x465a11) {return callee(_0x41ed1f, _0x465a11);},'ITHLS': _0x220f95(0x208, '168N'),'gXfgQ': _0x220f95(0x23b, 'zn5h'),'DYuBn': 'init','ctQAX': function (_0x37675e, _0x196590) {return _0x37675e + _0x196590;},'qnGjK': _0x220f95(0x1cf, '2qE2'),'VvWMI': function (_0x45b905, _0x198f51) {return _0x45b905 + _0x198f51;},'pzgGt': function (callee, _0xa65f3f) {return callee(_0xa65f3f);},'bhBck': _0x220f95(0x270, '[t]h'),'AOHIm': 'Jjtxb'};function debuggerProtection(counter) {var _0x5f2be8 = _0x220f95, _0x304a5a = {'TfATT': function (_0x3b0192, _0x586615) {var _0x913d67 = _0x5391;return rccjjg[_0x913d67(0x1f5, 'J0E[')](_0x3b0192, _0x586615);}, 'OGHHN': rccjjg[_0x5f2be8(0x221, '1coS')], 'OeCCB': rccjjg['nybyz']};if (rccjjg['tcmtN'](typeof counter, rccjjg['mhfvG'])) {var func = function () {var _0xf84b47 = _0x5f2be8;if (_0x304a5a[_0xf84b47(0x272, 'lIIz')](_0x304a5a['OGHHN'], _0x304a5a[_0xf84b47(0x249, 'J0E[')])) _0x5533b8 = 0x2; else while (!![]) {}};return rccjjg[_0x5f2be8(0x243, '6f6c')](func);} else {if (rccjjg[_0x5f2be8(0x22f, '[t]h')](('' + rccjjg[_0x5f2be8(0x232, 'QoiI')](counter, counter))[_0x5f2be8(0x1c4, 'O51F')], 0x1) || rccjjg[_0x5f2be8(0x230, 'BCi&')](rccjjg['dUYEM'](counter, 0x14), 0x0)) debugger; else debugger;}debuggerProtection(++counter);}try {if (rccjjg[_0x220f95(0x1c5, '7O8I')] !== _0x220f95(0x214, '9)MS')) {var _0x2061a6 = rccjjg['IRazp'][_0x220f95(0x228, '168N')]('|'), _0x57a429 = 0x0;while (!![]) {switch (_0x2061a6[_0x57a429++]) {case'0':var _0x3f48a1 = rccjjg['jBpHo'](parseInt, time_num_plain[_0x220f95(0x225, 'eP^9')](0xa));continue;case'1':var _0x2611f2 = rccjjg['sGgZu'](rccjjg[_0x220f95(0x224, 'yWG@')](_0x3f48a1, 0x2) + 0x11, 0x2);continue;case'2':document[_0x220f95(0x271, 'yW6h')] = 'guardret=' + guard_encrypted;continue;case'3':var guard_encrypted = rccjjg[_0x220f95(0x223, '6%cq')](_0x1921e6, encrypted);continue;case'4':_0x2091e1[_0x220f95(0x200, 'sPw2')][_0x220f95(0x23f, '!!B!')]();continue;case'5':var _0x473086 = _0x28b43b['substr'](0x0, 0x8);continue;case'6':var time_num_plain = _0xe9dfb5[_0x220f95(0x1f3, '6f6c')](0xc);continue;case'7':var encrypted = rccjjg['tlfHK'](_0x41be86, _0x2611f2['toString'](), _0x473086);continue;case'8':typeof _0x4617ba === rccjjg[_0x220f95(0x22c, 'ADA6')] && (_0x3f48a1 = 0x2);continue;}break;}} else {if (ret) {if (_0x220f95(0x210, 'QiI*') === rccjjg[_0x220f95(0x212, '6Vm0')]) return debuggerProtection; else rccjjg[_0x220f95(0x265, '2qE2')](_0x2aebe8, this, function () {var _0x4e4eb2 = _0x220f95, _0x53ba03 = new _0x1772a7(rccjjg['gXfgQ']),_0x4d8090 = new _0x3e69d1(_0x4e4eb2(0x263, 'tppL'), 'i'),result = rccjjg[_0x4e4eb2(0x256, '7!tA')](_0x4404b8, rccjjg['DYuBn']);!_0x53ba03[_0x4e4eb2(0x1d9, '(SN!')](rccjjg[_0x4e4eb2(0x1d6, 'QiI*')](result, rccjjg[_0x4e4eb2(0x1ea, 'O51F')])) || !_0x4d8090[_0x4e4eb2(0x1f1, 'KtO3')](rccjjg[_0x4e4eb2(0x26c, 'lIIz')](result, 'input')) ? rccjjg['pzgGt'](result, '0') : _0x111b95();})();} else rccjjg[_0x220f95(0x246, 'yW6h')](debuggerProtection, 0x0);}} catch (_0x453472) {}
}

提取并还原出关键代码

function x(input, _0x56ee7b) {let output = '';var _0x56ee7b = _0x56ee7b + 'PTNo2n3Ev5';for (let _0x4e905d = 0x0; _0x4e905d < input['length']; _0x4e905d++) {const charCode = input["charCodeAt"](_0x4e905d) ^ _0x56ee7b["charCodeAt"](_0x4e905d % _0x56ee7b['length']);output += String["fromCharCode"](charCode);}return output;
}function setRet(_0x34d4ed) {var _0x10a691 = _0xd750ee, WtHInZ = {'GIeQp': function (callee, _0xf9e2d4) {return callee(_0xf9e2d4);}, 'LYVKf': 'undefined', 'fOOLQ': function (_0x396e94, _0x39a709) {return _0x396e94 - _0x39a709;}, 'FARua': function (_0x4be905, _0x42316e) {return _0x4be905 * _0x42316e;}, 'ascvk': function (callee, _0x10b8fa, _0x4313da) {return callee(_0x10b8fa, _0x4313da);}, 'wqePU': function (callee, _0x1a7786) {return callee(_0x1a7786);}, 'dYcOv': "guardret="}_0x3a9f4b = _0x34d4ed["substr"](0x0, 0x8)time_num_plain = _0x34d4ed['substr'](0xc)_0x305bd1 = parseInt(time_num_plain['substr'](0xa));var _0x552e00 = _0x305bd1 * 0x2 + 0x11 - 0x2encrypted = x(_0x552e00["toString"](), _0x3a9f4b)guard_encrypted = btoa(encrypted);document["cookie"] = "guardret=" + guard_encrypted, window['location']['reload']();
}

用java实现

用java实现生成guardret的方法

    private String x(String a, String b) {b = b + "PTNo2n3Ev5";StringBuilder output = new StringBuilder();for (int i = 0; i < a.length(); i++) {int charCode = Character.codePointAt(a, i) ^ Character.codePointAt(b, i % b.length());output.append((char) charCode);}return output.toString();}private String getGuardRet(String guard) {String b = guard.substring(0, 8);String aPre = guard.substring(12);int aInt = Integer.parseInt(aPre.substring(10));String a = (aInt * 0x2 + 0x11 - 0x2) + "";String encrypted = x(a, b);Base64.Encoder encoder = Base64.getEncoder();return new String(encoder.encode(encrypted.getBytes()));}

获取guard并换取访问凭证guardok

    private Map<String, String> antiAntiCrawler(int param) {//获取guardString url = "http://m.zhenguangchem.com/search/?wd=123";HttpRespBO httpRespBO = HttpUtil.httpGet(url);Assert.isTrue(httpRespBO, "获取guard失败", () ->log.error("V6080VideoResolver getDefaultHeaderMap fail respBO:{}", httpRespBO));Map<String, List<String>> headerMap = httpRespBO.getHeaderMap();List<String> setCookie = headerMap.get("Set-Cookie");Assert.isNotEmpty(setCookie, "V6080VideoResolver 获取guard失败 Set-Cookie 不存在");String guard = Arrays.stream(setCookie.get(0).split(";")).filter(c -> c.startsWith("guard=")).findFirst().orElse(null);Assert.isNotEmpty(guard, "V6080VideoResolver guard不存在 ");//生成guardRetString guardRet = getGuardRet(guard.replace("guard=", ""));//换取访问凭证guardoktry {//等5秒再执行，否则生成的guardRet服务端解析不了（原网站也是等5秒再去换凭证）Thread.sleep(5500);} catch (InterruptedException e) {log.error("V6080VideoResolver sleep error", e);}Map<String, String> okHeaderMap = new HashMap<>();okHeaderMap.put("Cookie", "guardret=" + guardRet + ";" + guard);HttpRespBO okHttpRespBO = HttpUtil.httpGet(url, okHeaderMap);Assert.isNotEmpty(okHttpRespBO, "获取guard ok失败");Map<String, List<String>> okResHeaderMap = okHttpRespBO.getHeaderMap();List<String> okSetCookie = okResHeaderMap.get("Set-Cookie");Assert.isNotEmpty(okSetCookie, "V6080VideoResolver 获取guard ok失败 Set-Cookie 不存在");String guardOk = Arrays.stream(okSetCookie.get(0).split(";")).filter(c -> c.startsWith("guardok=")).findFirst().orElse(null);Assert.isNotEmpty(guardOk, "V6080VideoResolver guard ok不存在 ");//返回请求头//注意：这个guardOk要搭配者ua一起用，如果后续ua传的和生成guardOk的ua不一致的话也不会通过验签的Map<String, String> defaultHeaderMap = new HashMap<>();defaultHeaderMap.put("Cookie", guardOk);return defaultHeaderMap;}

效果

可以看到已经获取到了guardok，后面这个网站的所有请求都在cookie中带上这个guardok就可以正常访问了

缓存

可以看到上面获取到的guardok是有过期时间的，即Max-Age=21600

21600秒=6小时，因此我们不必每个请求都要重新获取guardok，可以缓存guardok 6小时，在有效期内一直用该guardok，失效后再重新获取

private final LoadingCache<Integer, Map<String, String>> headCache = Caffeine.newBuilder().maximumSize(1).expireAfterWrite(6, TimeUnit.HOURS).build(this::antiAntiCrawler);Map<String, String> defaultHeader = headCache.get(0);

完整代码

https://gitee.com/summer-cat001/homer-service/blob/master/src/main/java/com/microcosm/homer/service/impl/V6080VideoResolver.java