mirror of
https://github.com/Remik1r3n/maimaiDX-Api.git
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127 lines
4.5 KiB
Python
127 lines
4.5 KiB
Python
# All.Net AuthLite 更新获取
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from Crypto.Cipher import AES
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from Crypto.Util.Padding import pad, unpad
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import httpx
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from loguru import logger
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from urllib.parse import parse_qs
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import configparser as ini
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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 getRawDelivery(title_ver:str="1.41"):
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encrypted = auth_lite_encrypt(f'title_id=SDGB&title_ver={title_ver}&client_id=A63E01C2805')
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r = httpx.post(
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'http://at.sys-allnet.cn/net/delivery/instruction',
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data = encrypted,
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headers = {
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'User-Agent': "SDGB;Windows/Lite",
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'Pragma': 'DFI'
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}
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)
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resp_data = r.content
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decrypted_str = auth_lite_decrypt(resp_data)
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# 过滤所有控制字符
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decrypted_str = ''.join([i for i in decrypted_str if 31 < ord(i) < 127])
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logger.info(f"RAW Response: {decrypted_str}")
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return decrypted_str
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def parseRawDelivery(deliveryStr):
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"""解析 RAW 的 Delivery 字符串，返回其中的有效的 instruction URL 的列表"""
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parsedResponseDict = {key: value[0] for key, value in parse_qs(deliveryStr).items()}
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urlList = parsedResponseDict['uri'].split('|')
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# 过滤掉空字符串和内容为 null 的情况
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urlList = [url for url in urlList if url and url != 'null']
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logger.info(f"Parsed URL List: {urlList}")
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validURLs = []
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for url in urlList:
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# 检查是否是 HTTPS 的 URL，以及是否是 txt 文件，否则忽略
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if not url.startswith('https://') or not url.endswith('.txt'):
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logger.warning(f"Invalid URL will be ignored: {url}")
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continue
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validURLs.append(url)
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logger.info(f"Verified Valid URLs: {validURLs}")
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return validURLs
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def getUpdateIniFromURL(url):
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# 发送请求
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response = httpx.get(url, headers={
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'User-Agent': 'SDGB;Windows/Lite',
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'Pragma': 'DFI'
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})
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logger.info(f"成功自 {url} 获取更新信息")
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return response.text
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def parseUpdateIni(iniText):
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# 解析配置
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config = ini.ConfigParser(allow_no_value=True)
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config.read_string(iniText)
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logger.info(f"成功解析配置文件，包含的节有：{config.sections()}")
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# 获取 COMMON 节的配置
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common = config['COMMON']
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# 初始化消息列表
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message = []
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# 获取游戏描述并去除引号
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game_desc = common['GAME_DESC'].strip('"')
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# 根据前缀选择消息模板和图标
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prefix_icons = {
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'PATCH': ('💾 游戏程序更新 (.app) ', 'PATCH_'),
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'OPTION': ('📚 游戏内容更新 (.opt) ', 'OPTION_')
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}
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icon, prefix = prefix_icons.get(game_desc.split('_')[0], ('📦 游戏更新 ', ''))
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# 构建消息标题
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game_title = game_desc.replace(prefix, '', 1)
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message.append(f"{icon}{game_title}")
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# 添加可选文件的下载链接（如果有）
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if 'OPTIONAL' in config:
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message.append("往期更新包：")
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optional_files = [f"{url.split('/')[-1]} {url}" for _, url in config.items('OPTIONAL')]
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message.extend(optional_files)
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# 添加主文件的下载链接
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main_file = common['INSTALL1']
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main_file_name = main_file.split('/')[-1]
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message.append(f"此次更新包: \n{main_file_name} {main_file}")
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# 添加发布时间信息
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release_time = common['RELEASE_TIME'].replace('T', ' ')
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message.append(f"正式发布时间：{release_time}。\n")
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# 构建最终的消息字符串
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final_message = '\n'.join(message)
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logger.info(f"消息构建完成，最终的消息为：\n{final_message}")
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return final_message
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if __name__ == '__main__':
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urlList = parseRawDelivery(getRawDelivery("1.40"))
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for url in urlList:
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iniText = getUpdateIniFromURL(url)
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message = parseUpdateIni(iniText)
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