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https://github.com/Remik1r3n/maimaiDX-Api.git
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67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
# 舞萌DX Auth-Lite 服务器模拟实现
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# 仅实现了 /net/initialize 接口，用来处理 PowerOn
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from fastapi import (
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FastAPI,
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Request
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)
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from fastapi.responses import (
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HTMLResponse
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)
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import uvicorn
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import httpx
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from loguru import logger
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from Crypto.Cipher import AES
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from Crypto.Util.Padding import pad, unpad
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# 从 HDD 提取
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LITE_AUTH_KEY = bytes([47, 63, 106, 111, 43, 34, 76, 38, 92, 67, 114, 57, 40, 61, 107, 71])
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LITE_AUTH_IV = bytes.fromhex('00000000000000000000000000000000')
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def auth_lite_encrypt(plaintext: str) -> bytes:
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# 构造数据：16字节头 + 16字节0前缀 + 明文
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header = bytes(16)
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content = bytes(16) + plaintext.encode('utf-8')
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data = header + content
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# 填充并加密
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padded_data = pad(data, AES.block_size)
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cipher = AES.new(LITE_AUTH_KEY, AES.MODE_CBC, LITE_AUTH_IV)
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return cipher.encrypt(padded_data)
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def auth_lite_decrypt(ciphertext: bytes) -> str:
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# 解密并去除填充
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cipher = AES.new(LITE_AUTH_KEY, AES.MODE_CBC, LITE_AUTH_IV)
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decrypted_data = unpad(cipher.decrypt(ciphertext), AES.block_size)
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# 提取内容并解码
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content = decrypted_data[16:] # 去除头部的16字节
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return content.decode('utf-8').strip()
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def apiOfficialServer(encryptedString: str):
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url = "http://at.sys-allnet.cn/net/initialize"
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headers = {
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"Content-Type": "application/x-www-form-urlencoded",
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"User-Agent": "SDGB;Windows/Lite"
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}
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data = encryptedString
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response = httpx.post(url, headers=headers, data=data)
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return response.content
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app = FastAPI()
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USE_OFFICIAL_SERVER = 1
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@app.post('/net/initialize')
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async def get_data_dummy_api(request: Request):
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gotRequest = (await request.body())
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if USE_OFFICIAL_SERVER == 1:
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decrypted = auth_lite_decrypt(gotRequest)
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officialResponse = apiOfficialServer(auth_lite_encrypt(decrypted))
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logger.info(auth_lite_decrypt(officialResponse))
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return HTMLResponse(officialResponse)
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else:
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# todo
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pass
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if __name__ == '__main__':
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uvicorn.run(app, host="0.0.0.0", port=80)
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