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🕶使用Python重构XB算法
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@Johnserf-Seed
Johnserf-Seed committed Jun 9, 2023
1 parent 024a569 commit 54bd258
Showing 1 changed file with 182 additions and 35 deletions.
217 changes: 182 additions & 35 deletions Util/XB.py
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-------------------------------------------------
Change Log :
2023/02/09 00:29:30 - Create XBogus class
2023/06/07 17:26:02 - Refactor the XB algorithm using Python.
-------------------------------------------------
'''
import json
import requests
from .Urls import Urls
from urllib.parse import urlencode, unquote, parse_qsl

import time
import hashlib


class XBogus:
def __init__(self, url, cookie=None, referer="https://www.douyin.com/") -> None:
self.urls = Urls()
self.headers = {
"cookie": cookie,
"referer": referer,
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36"
}
self.getXbogus(url)

def getXbogus(self, url):
try:
if isinstance(url, dict):
params = eval(unquote(url, 'utf-8'))
url = urlencode(params, safe="=")
response = json.loads(requests.post(
self.urls.GET_XB_DICT + url,
headers = self.headers).text)
if isinstance(url, str):
url = url.replace('&','%26')
response = json.loads(requests.post(
self.urls.GET_XB_PATH + url,
headers = self.headers, timeout=5).text)
else:
print('[ 提示 ]:传入的参数有误')
except Exception as e:
print('[ 错误 ]:%s' % e)

self.params = response["result"][0]["paramsencode"]
self.xb = response["result"][0]["X-Bogus"]["0"]
# print('[ 调试 ]:%s' % self.params)
return (self.params, self.xb)
def __init__(self) -> None:

self.Array = [
None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None,
None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None,
None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, None, None, None, None, None, None, None, None, None, None, None,
None, None, None, None, None, None, None, None, None, None, None, None, None, None, None, None,
None, None, None, None, None, None, None, None, None, None, None, None, 10, 11, 12, 13, 14, 15
]
self.character = "Dkdpgh4ZKsQB80/Mfvw36XI1R25-WUAlEi7NLboqYTOPuzmFjJnryx9HVGcaStCe="


def md5_str_to_array(self, md5_str):
"""
将字符串使用md5哈希算法转换为整数数组。
Convert a string to an array of integers using the md5 hashing algorithm.
"""
if isinstance(md5_str, str) and len(md5_str) > 32:
return [ord(char) for char in md5_str]
else:
array = []
idx = 0
while idx < len(md5_str):
array.append((self.Array[ord(md5_str[idx])] << 4) | self.Array[ord(md5_str[idx + 1])])
idx += 2
return array


def md5_encrypt(self, url_path):
"""
使用多轮md5哈希算法对URL路径进行加密。
Encrypt the URL path using multiple rounds of md5 hashing.
"""
hashed_url_path = self.md5_str_to_array(self.md5(self.md5_str_to_array(self.md5(url_path))))
return hashed_url_path


def md5(self, input_data):
"""
计算输入数据的md5哈希值。
Calculate the md5 hash value of the input data.
"""
if isinstance(input_data, str):
array = self.md5_str_to_array(input_data)
elif isinstance(input_data, list):
array = input_data
else:
raise ValueError("Invalid input type. Expected str or list.")

md5_hash = hashlib.md5()
md5_hash.update(bytes(array))
return md5_hash.hexdigest()


def encoding_conversion(self, a, b, c, e, d, t, f, r, n, o, i, _, x, u, s, l, v, h, p):
"""
第一次编码转换。
Perform encoding conversion.
"""
y = [a]
y.append(int(i))
y.extend([b, _, c, x, e, u, d, s, t, l, f, v, r, h, n, p, o])
re = bytes(y).decode('ISO-8859-1')
return re


def encoding_conversion2(self, a, b, c):
"""
第三次编码转换。
Perform an encoding conversion on the given input values and return the result.
"""
return chr(a) + chr(b) + c


def rc4_encrypt(self, key, data):
"""
使用RC4算法对数据进行加密。
Encrypt data using the RC4 algorithm.
"""
S = list(range(256))
j = 0
encrypted_data = bytearray()

# 初始化 S 盒
# Initialize the S box
for i in range(256):
j = (j + S[i] + key[i % len(key)]) % 256
S[i], S[j] = S[j], S[i]

# 生成密文
# Generate the ciphertext
i = j = 0
for byte in data:
i = (i + 1) % 256
j = (j + S[i]) % 256
S[i], S[j] = S[j], S[i]
encrypted_byte = byte ^ S[(S[i] + S[j]) % 256]
encrypted_data.append(encrypted_byte)

return encrypted_data


def calculation(self, a1, a2, a3):
"""
对给定的输入值执行位运算计算，并返回结果。
Perform a calculation using bitwise operations on the given input values and return the result.
"""
x1 = (a1 & 255) << 16
x2 = (a2 & 255) << 8
x3 = x1 | x2 | a3
return self.character[(x3 & 16515072) >> 18] + self.character[(x3 & 258048) >> 12] + self.character[(x3 & 4032) >> 6] + self.character[
x3 & 63]


def getXBogus(self, url_path):
"""
获取 X-Bogus 值。
Get the X-Bogus value.
"""
array1 = self.md5_str_to_array("d88201c9344707acde7261b158656c0e")
array2 = self.md5_str_to_array(
self.md5(self.md5_str_to_array("d41d8cd98f00b204e9800998ecf8427e")))
url_path_array = self.md5_encrypt(url_path)

timer = int(time.time())
ct = 536919696
array3 = []
array4 = []
xb_ = ""

new_array = [
64, 0.00390625, 1, 8,
url_path_array[14], url_path_array[15], array2[14], array2[15], array1[14], array1[15],
timer >> 24 & 255, timer >> 16 & 255, timer >> 8 & 255, timer & 255,
ct >> 24 & 255, ct >> 16 & 255, ct >> 8 & 255, ct & 255
]

xor_result = new_array[0]
for i in range(1, len(new_array)):
# a = xor_result
b = new_array[i]
if isinstance(b, float):
b = int(b)
xor_result ^= b

new_array.append(xor_result)

idx = 0
while idx < len(new_array):
array3.append(new_array[idx])
try:
array4.append(new_array[idx + 1])
except IndexError:
pass
idx += 2

merge_array = array3 + array4

garbled_code = self.encoding_conversion2(
2, 255, self.rc4_encrypt("ÿ".encode('ISO-8859-1'), self.encoding_conversion(*merge_array).encode('ISO-8859-1')).decode('ISO-8859-1'))

idx = 0
while idx < len(garbled_code):
xb_ += self.calculation(ord(garbled_code[idx]), ord(
garbled_code[idx + 1]), ord(garbled_code[idx + 2]))
idx += 3
self.params = '%s&X-Bogus=%s' % (url_path, xb_)
self.xb = xb_
return (self.params, self.xb)


if __name__ == '__main__':
url_path = "aweme_id=7196239141472980280&aid=1128&version_name=23.5.0&device_platform=android&os_version=2333"
print("URL_path:", url_path)
XB = XBogus()
xbogus = XB.getXBogus(url_path)
print("XB_ogus:", xbogus[1])

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