有道翻译逆向

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js源码

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define("newweb/common/service", ["./utils", "./md5", "./jquery-1.7"], function(e, t) {
    var n = e("./jquery-1.7");
    e("./utils");
    e("./md5");
    var r = function (e) {
        var t = n.md5(navigator.appVersion)
            , r = "" + (new Date).getTime()
            , i = r + parseInt(10 * Math.random(), 10);
        return {
            ts: r,
            bv: t,
            salt: i,
            sign: n.md5("fanyideskweb" + e + i + "Ygy_4c=r#e#4EX^NUGUc5")
        }
};
// e = 翻译的字符串, i = 字符串形式的js时间戳+一位整数

python实现代码

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import time
import hashlib
import requests

def get_fanyi(word):
    # 13位时间戳
    lts = str(int(time.time() * 1000))
    # 时间戳+一个随机整数
    salt = str(int(time.time() * 10000))
    # 写死的两个参数+翻译的字符+salt
    sign = "fanyideskweb" + word + salt + "Y2FYu%TNSbMCxc3t2u^XT"
    # md5 加密字符
    sign = hashlib.md5(sign.encode()).hexdigest()

    data = {"i": word,
            "from": "AUTO",
            "to": "AUTO",
            "smartresult": "dict",
            "client": "fanyideskweb",
            # 时间戳14位
            "salt": salt,
            # 加密的数据
            "sign": sign,
            # 时间戳13位
            "lts": lts,
            "bv": 'd771cbe0c376715add7059261c9e06bd',
            "doctype": "json",
            "version": "2.1",
            "keyfrom": "fanyi.web",
            "action": "FY_BY_REALTlME"
            }
    url = 'https://fanyi.youdao.com/translate_o?smartresult=dict&smartresult=rule'
    header = {
        'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.60 Safari/537.36',
        'Referer': 'https://fanyi.youdao.com/',
        'cookie': 'OUTFOX_SEARCH_USER_ID=-1711366876@10.108.160.105; OUTFOX_SEARCH_USER_ID_NCOO=528854206.9578509; '
                  'fanyi-ad-closed=0; JSESSIONID=aaab35aMiB_2j8wyyH0-x; fanyi-ad-id=305426; '
                  '___rl__test__cookies=1649078361368 '
    }
    resp = requests.post(url=url, headers=header, data=data)
    print(resp.json()['translateResult'][0][0]['tgt'])


if __name__ == '__main__':
    get_fanyi('dog')