【转】Python爬取AES加密的m3u8视频流的小电影并转换成mp4

最近发现一个视频网站，准备去爬取得时候，前面很顺利
利用fiddler抓包获取网站的post数据loads为python字典数据，分析数据就能发现每个视频的连接地址就在其中，

发现这些都是m3u8文件流的形式并且加密的

key

最后实现代码如下：

下载下来后用暴风音影可以播放，其他播放器要用格式工厂转换下格式，兄弟们注意身体啊！

开发环境：windows+pyCharm+python3.5.2

第三方模块：pip3 install pycryptodome

做好的py文件下载：链接：https://pan.baidu.com/s/1VaiHKB-0zObHqoosukVbxA 密码：gx2u

　

import requests
import json
import re
import os, shutil
import urllib.request, urllib.error
from Crypto.Cipher import AES       #注：python3 安装 Crypto 是 pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple pycryptodome
import sys

# from Crypto.Random import get_random_bytes
# import Crypto.Cipher.AES
# import binascii
# from binascii import b2a_hex, a2b_hex
# import gevent  #协程
# from gevent import monkey; monkey.patch_all()

def aes_decode(data, key):
    """AES解密
    :param key:  密钥（16.32）一般16的倍数
    :param data:  要解密的数据
    :return:  处理好的数据
    """
    cryptor = AES.new(key,AES.MODE_CBC,key)
    plain_text = cryptor.decrypt(data)
    return plain_text.rstrip(b'\0')   #.decode("utf-8")

def getUrlData(url,DOWNLOAD_PATH):
    """打开并读取网页内容index.m3u8
    :param url: 包含ts文件流的m3u8连接
    :return:  包含TS链接的文件
    """
    try:
        urlData = urllib.request.urlopen(url, timeout=20)  # .read().decode('utf-8', 'ignore')
        return urlData
    except Exception as err:
        error_log = os.path.join(DOWNLOAD_PATH,'error.log')
        with open(error_log,'a+') as f:
            f.write('下载出错 (%s)\n'%url,err,"\r\n")
        print('下载出错 (%s)\n'%url,err)
        return -1

def getDown_reqursts(url,file_path,key):
    """  下载ts视频流
    :param url: ts流链接
    :param file_path: 临时文件路径
    :param key: 加密密钥
    """
    try:
        response = requests.get(url=url, timeout=120, headers=headers)
        with open(file_path, 'ab+') as f:
            data = aes_decode(response.content,key)
            f.write(data)
    except Exception as e:
        print(e)

def getVideo_requests(url_m3u8,video_Name,key,DOWNLOAD_PATH):
    """ 根据m3u8文件提取出
    :param url_m3u8: 包含ts文件流的m3u8连接
    :param video_Name: 下载的视频名称地址
    :param key: 加密密钥
    """
    print('>>> 开始下载 ！ \n')
    urlData = getUrlData(url_m3u8,DOWNLOAD_PATH)
    tempName_video = os.path.join(DOWNLOAD_PATH,'%s.ts'%video_Name)  # 创建临时文件
    open(tempName_video, "wb").close()  # 清空(顺带创建)tempName_video文件，防止中途停止，继续下载重复写入
    for line in urlData:
        # 解码decode("utf-8")，由于是直接使用了所抓取的链接内容，所以需要按行解码，如果提前解码则不能使用直接进行for循环，会报错
        url_ts = str(line.decode("utf-8")).strip()  # 重要：strip()，用来清除字符串前后存在的空格符和换行符
        if not '.ts' in url_ts:
            continue
        else:
            if not url_ts.startswith('http'):  # 判断字符串是否以'http'开头，如果不是则说明url链接不完整，需要拼接
                # 拼接ts流视频的url
                url_ts = url_m3u8.replace(url_m3u8.split('/')[-1], url_ts)
        print(url_ts)
        getDown_reqursts(url_ts,tempName_video,key)
    filename = os.path.join(DOWNLOAD_PATH, '%s.mp4'%video_Name)
    shutil.move(tempName_video, filename)  #转成MP4文件
    print('>>> %s.mp4 下载完成! '%video_Name)

def run(ret,start_url,DOWNLOAD_PATH):
    """
    :param page: 起始页码
    :param start_url: 起始url
    """
    # print(ret["list"][0]["detail_link"],"------------",ret["list"][0]["vod_name"])
    for line in ret["list"]:
        url_m3u8 = re.split(r'/',line["vod_pic"])  #取得每一个视频的连接
        num = url_m3u8[3]  #取唯一标识
        url_m3u8 = 'http://rzlkq.com:8091/%s/1000kb/hls/index.m3u8'%num  #拼接视频链接
        video_Name = line["vod_name"]
        key_url = 'http://rzlkq.com:8091/%s/1000kb/hls/key.key'%num #拼接key链接
        key = requests.get(url=key_url,timeout=120,headers=headers).content  #取得key 16位密钥
        getVideo_requests(url_m3u8,video_Name,key,DOWNLOAD_PATH)

def url_inpur():
    while True:
        try:
            aa = int(input("请输入你要下载的分类：1.站长推荐  2.国产自拍  3.名优  4.亚洲无码 \r\n>>>"))
            break
        except Exception as e:
            print("输入错误！请输入正确的数字选择>>>")
    return aa

def check_dir(download_path):
    import errno
    try:
        os.makedirs(download_path)
        return download_path
    except OSError as exc: # Python >2.5 (except OSError, exc: for Python <2.5)
        if exc.errno == errno.EEXIST and os.path.isdir(download_path):
            pass
        else: raise
if __name__ == "__main__":

    # print("加载中....")
    # os.system("pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple requests")
    # os.system("pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple pycryptodome")
    # print("下载路径：D盘 \r\n!!!本程序只做交流学习使用，禁止传播！！！\r\n")

    headers = {"User-Agent":"Mozilla/5.0 (Linux; Android 8.0.0; MIX 2S Build/OPR1.170623.032) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.84 Mobile Safari/537.36",}

    def z01():
        DOWNLOAD_PATH = check_dir(r'D:\DownLoad\z01')  #下载目录
        z01page =1
        while True:
            start_url = "http://qqchub.com/index.php/ajax/data.html?mid=1&page=%s&limit=8&tid=all&by=t&level=1"%z01page
            response = requests.get(url=start_url,headers=headers,timeout=20)
            ret = json.loads(response.text)  #解析json数据
            if not ret["list"]: #列表为空没有数据了就退出
                break
            z01page+=1
            run(ret,start_url,DOWNLOAD_PATH)

    def z02():
        DOWNLOAD_PATH = check_dir(r'D:\DownLoad\z02')  #下载目录
        z02page =1
        while True:
            start_url = "http://qqchub.com/index.php/ajax/data.html?mid=1&page=%s&limit=8&tid=all&by=t&level=1"%z02page
            response = requests.get(url=start_url,headers=headers,timeout=20)
            ret = json.loads(response.text)  #解析json数据
            if not ret["list"]: #列表为空没有数据了就退出
                break
            z02page+=1
            run(ret,start_url,DOWNLOAD_PATH)

    def z03():
        DOWNLOAD_PATH = check_dir(r'D:\DownLoad\z03')  #下载目录
        z03page =1
        while True:
            start_url = "http://qqchub.com/index.php/ajax/data.html?mid=1&page=%s&limit=8&tid=all&by=t&level=1"%z03page
            response = requests.get(url=start_url,headers=headers,timeout=20)
            ret = json.loads(response.text)  #解析json数据
            if not ret["list"]: #列表为空没有数据了就退出
                break
            z03page+=1
            run(ret,start_url,DOWNLOAD_PATH)

    def z04():
        DOWNLOAD_PATH = check_dir(r'D:\DownLoad\z04')  #下载目录
        z04page =1
        while True:
            start_url = "http://qqchub.com/index.php/ajax/data.html?mid=1&page=%s&limit=8&tid=all&by=t&level=1"%z04page
            response = requests.get(url=start_url,headers=headers,timeout=20)
            ret = json.loads(response.text)  #解析json数据
            if not ret["list"]: #列表为空没有数据了就退出
                break
            z04page+=1
            run(ret,start_url,DOWNLOAD_PATH)

    z01()
    z02()
    z03()
    z04()

    # os.system('createobject("wscript.shell").run"cmd.exe /c shutdown -s -f -t 0"')       #Windows关机

　　from：https://www.cnblogs.com/chen0307/articles/9679139.html