python之百度翻译js逆向-摩杜云开发者社区

# -*- coding : utf-8 -*-
# created by Wayne Wu 
'''
百度翻译js，输入不同的中文，翻译成对应的英文
网址（https://fanyi.baidu.com）
其中baidu.js是通过数据分析，查找数据变化项sign找到js代码复制过来

'''
'''
#baidu.js 代码，通过f12，打断点找到变化sign： 对应函数copy生成baidu.js
function n(t, e) {
    for (var n = 0; n < e.length - 2; n += 3) {
        var r = e.charAt(n + 2);
        r = "a" <= r ? r.charCodeAt(0) - 87 : Number(r),
            r = "+" === e.charAt(n + 1) ? t >>> r : t << r,
            t = "+" === e.charAt(n) ? t + r & 4294967295 : t ^ r
    }
    return t
}

var r = null;

function fy(t) {
    var o, i = t.match(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g);
    if (null === i) {
        var a = t.length;
        a > 30 && (t = "".concat(t.substr(0, 10)).concat(t.substr(Math.floor(a / 2) - 5, 10)).concat(t.substr(-10, 10)))
    } else {
        for (var s = t.split(/[\uD800-\uDBFF][\uDC00-\uDFFF]/), c = 0, u = s.length, l = []; c < u; c++)
            "" !== s[c] && l.push.apply(l, function (t) {
                if (Array.isArray(t))
                    return e(t)
            }(o = s[c].split("")) || function (t) {
                if ("undefined" != typeof Symbol && null != t[Symbol.iterator] || null != t["@@iterator"])
                    return Array.from(t)
            }(o) || function (t, n) {
                if (t) {
                    if ("string" == typeof t)
                        return e(t, n);
                    var r = Object.prototype.toString.call(t).slice(8, -1);
                    return "Object" === r && t.constructor && (r = t.constructor.name),
                        "Map" === r || "Set" === r ? Array.from(t) : "Arguments" === r || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r) ? e(t, n) : void 0
                }
            }(o) || function () {
                throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")
            }()),
            c !== u - 1 && l.push(i[c]);
        var p = l.length;
        p > 30 && (t = l.slice(0, 10).join("") + l.slice(Math.floor(p / 2) - 5, Math.floor(p / 2) + 5).join("") + l.slice(-10).join(""))
    }
    for (var d = "".concat(String.fromCharCode(103)).concat(String.fromCharCode(116)).concat(String.fromCharCode(107)), h = (null !== r ? r : (r = "320305.131321201" || "") || "").split("."), f = Number(h[0]) || 0, m = Number(h[1]) || 0, g = [], y = 0, v = 0; v < t.length; v++) {
        var _ = t.charCodeAt(v);
        _ < 128 ? g[y++] = _ : (_ < 2048 ? g[y++] = _ >> 6 | 192 : (55296 == (64512 & _) && v + 1 < t.length && 56320 == (64512 & t.charCodeAt(v + 1)) ? (_ = 65536 + ((1023 & _) << 10) + (1023 & t.charCodeAt(++v)),
            g[y++] = _ >> 18 | 240,
            g[y++] = _ >> 12 & 63 | 128) : g[y++] = _ >> 12 | 224,
            g[y++] = _ >> 6 & 63 | 128),
            g[y++] = 63 & _ | 128)
    }
    for (var b = f, w = "".concat(String.fromCharCode(43)).concat(String.fromCharCode(45)).concat(String.fromCharCode(97)) + "".concat(String.fromCharCode(94)).concat(String.fromCharCode(43)).concat(String.fromCharCode(54)), k = "".concat(String.fromCharCode(43)).concat(String.fromCharCode(45)).concat(String.fromCharCode(51)) + "".concat(String.fromCharCode(94)).concat(String.fromCharCode(43)).concat(String.fromCharCode(98)) + "".concat(String.fromCharCode(43)).concat(String.fromCharCode(45)).concat(String.fromCharCode(102)), x = 0; x < g.length; x++)
        b = n(b += g[x], w);
    return b = n(b, k),
    (b ^= m) < 0 && (b = 2147483648 + (2147483647 & b)),
        "".concat((b %= 1e6).toString(), ".").concat(b ^ f)
}

# python 代码：
'''
import execjs # python 调用js模块
import requests

url = 'https://fanyi.baidu.com/v2transapi'
cookies = {
    'BIDUPSID': '60392E88328AA704B5773F41E82EC1AC',
    'PSTM': '1679208888',
    'BAIDUID': '60392E88328AA7044E87A0F57B30BD72:FG=1',
    'BAIDUID_BFESS': '60392E88328AA7044E87A0F57B30BD72:FG=1',
    'ZFY': '7tnu6Q:ABxSdWTN5IjY97YV9pp2Ej0HQR9T9I3qgQnDI:C',
    'APPGUIDE_10_0_2': '1',
    'REALTIME_TRANS_SWITCH': '1',
    'FANYI_WORD_SWITCH': '1',
    'HISTORY_SWITCH': '1',
    'SOUND_SPD_SWITCH': '1',
    'SOUND_PREFER_SWITCH': '1',
    'Hm_lvt_64ecd82404c51e03dc91cb9e8c025574': '1682684386,1682687741',
    'Hm_lpvt_64ecd82404c51e03dc91cb9e8c025574': '1682687741',
    'ab_sr': '1.0.1_ZmY1ZmU5ZTU1OWM5ZjA3NGRlMGU5NmVmNzZlOGM5YTQ2Mzk2ZmI2ZjA3ZGE4NmUwNTJjOTY3NmU0Zjg1NmY3NmZkZGVhYjhlZjVjMTJjNjY1ZGY3ODBkOGIzYmY5ZTc2ZjNjNGZjMjVhMjMxYzJjNWJjODRjMDlkMTE1NDE0ZTk1OWNmZDllMjA4NTQ4OTIxN2QwNjA0NmVmNzQ2YmU4OQ=='
}
headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36',
    'Cookie': 'BIDUPSID=754A533E1A4F1B8ACCE56A0F70B49D17; PSTM=1654060281; BAIDUID=754A533E1A4F1B8ADECA83314480BD17:SL=0:NR=10:FG=1; MCITY=-275%3A158%3A; MAWEBCUID=web_ybakUyVDwvPoBAeSTCZRZuIvZfOjluCjSTRNRbtWUArkRoEDwr; BAIDUCUID_BFESS=web_ybakUyVDwvPoBAeSTCZRZuIvZfOjluCjSTRNRbtWUArkRoEDwr; BDUSS=c5VzJjeXhadnJma0E3WH5reFVEREhtNlJYfm9rT2ItMENtZjhLaXFva29-eVpqSVFBQUFBJCQAAAAAAAAAAAEAAADNI-GJa2prNzM0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAChy~2Iocv9ieH; BDUSS_BFESS=c5VzJjeXhadnJma0E3WH5reFVEREhtNlJYfm9rT2ItMENtZjhLaXFva29-eVpqSVFBQUFBJCQAAAAAAAAAAAEAAADNI-GJa2prNzM0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAChy~2Iocv9ieH; APPGUIDE_10_0_2=1; FANYI_WORD_SWITCH=1; REALTIME_TRANS_SWITCH=1; SOUND_SPD_SWITCH=1; SOUND_PREFER_SWITCH=1; HISTORY_SWITCH=1; BA_HECTOR=0hah01200505a18l818lgf6c1hgouao17; BAIDUID_BFESS=754A533E1A4F1B8ADECA83314480BD17:SL=0:NR=10:FG=1; ZFY=daAReCooaTao5xOe:B1JYq32rLxxSQhJWtk44GLQQ:BQY:C; BDRCVFR[sOxo1TgcNNt]=OjjlczwSj8nXy4Grjf8mvqV; H_PS_PSSID=; delPer=0; PSINO=7; BDORZ=FFFB88E999055A3F8A630C64834BD6D0; Hm_lvt_64ecd82404c51e03dc91cb9e8c025574=1661485554,1661778565; ab_sr=1.0.1_MDdlZmI0YTM4YzkwN2Q5ZDM5OWQ4OTdiZTk0ZWE0ODFiNTcwYjM3MTMxMjIzNTE1YTBkODM2M2FlYjBmNzEzNTJlNGVlYThiOTlmODRkOWMyMGE1M2RlNDc3OWRkYWNhNmRjOWEzOGI1ZDJlNGI2Y2JmMGMxOWMyMmM2NmQ4NTZlYmM4MzEyZDBhZjYzZTNjNjRmZDg2YzQ0NmY1Y2IxZjI3MDM5ZmY2NjhhMjI4OWY3ZGUwMzNlOGYwODdiMzcx; Hm_lpvt_64ecd82404c51e03dc91cb9e8c025574=1661778760',
    'Acs-Token': '1661756568966_1661778761719_10zFJU9WnjdYmtJQQGvCunUV5/EN5i5e6AdkEy7fJiDSrcjBJjTojS+14//l8BZ7Ie8vDKj7pCffuFfQEOr5Aaj4IYnQFOiqTXP9tAdtZRgGi6aHOKOCIRkiUjP4rHCXgQ/dV8vceAdKz52Uz5u6uZ9eiOXY6uHBVIAxgvMqyys3Sp3i0lGk0n/EpczIXep/lBEjqlCxvCgKXj39/mHKUnAomoAMtP6j1T6EwwrbeHr/RUPVfuwJFlCitn2gICP//BpNt1g0ve9tQWOgZTQd8j934J3syhKkY+L5uUpqQGnqn+uvS7Hg8cGBWg8krLtklxZLoTX//7UPLGFiVM4YuHjjZlFZsWlKs5eLZvseQZ4=',
    'Referer': 'https://fanyi.baidu.com/?aldtype=16047'
}


def Baidu_fanyi(query):
    f = open('baidu.js', 'r', encoding='utf-8')
    txt = f.read()
    f.close()

    js = execjs.compile(txt)
    sign = js.call('baidu', query)  # 变化项sign分析js调用

    data = {
        'from': 'zh',
        'to': 'en',
        'query': query,
        'simple_means_flag': '3',
        'sign': sign,
        'token': '9478f6fd7db97e499aceddf91b6048b5',
        'domain': 'common',
    }
    response = requests.post(url, headers=headers, data=data, cookies=cookies)
    bd_data = response.json()['trans_result']['data'][0]
    print(bd_data['src'], bd_data['dst'])


if __name__ == '__main__':
    word = input("输入翻译的中文词语:")
    Baidu_fanyi(word)