长江雨课堂刷课原理分析记录-python脚本技 前言　　本篇文章仅限于技术交流-请勿用于商业用途。（如有侵权请联系我，24小时内删除该文章）　　起因：高中好哥们（假小子->变大美女）问我长江雨课堂能不能shua课？？？？ emmm...这真不好拒绝，直接抓包分析！！！视频　　通过浏览器发包分析 存在心跳包 每五秒一次，接口 以及 发包参数如下：#接口： https://changjiang.yuketang.cn/video-log/heartbeat/ #发包参数： 'heart_data': [ { 'i': 5, #常量 'et': 'playing', #播放操作 'p': 'web', #常量 'n': 'ali-cdn.xuetangx.com',#常量 'lob': 'ykt',# 常量 'cp': videoTime, # 播放进度 ->>>>>>>模拟生成 'fp': 0, # 常量 'tp': videoTime, # 视频时长 'sp': 1,# 常量 'ts': int(time.time() * 1000), # 时间戳 13位 我这里用python直接模拟的 'u': u,# user_id 'uip': '',# 常量 'c': c,# course_id 'v': v,# 视频id 'skuid': skuid, # skuid 'classroomid': classroomid, #classroom_id 'cc': cc, # 常量 'd': duration, # 视频时常 'pg': pg, #视频id + 随机字符串 可以写死 'sq': 2, # 常量 't': 'video', # 常量 'cards_id': 0, # 常量 'slide': 0, # 常量 'v_url': '', # 常量 } ] #以上视频参数 可以在以下接口获取参数值： https://changjiang.yuketang.cn/c27/online_courseware/xty/kls/pub_news/'+课件id+'/ #课件id的值通过该元素获取courseware_idpython代码目前只完成了 视频代码部分(默认是全部课程都刷->按顺序刷课)我没有学过python，代码很烂 勿喷import json import time import random import re import requests #cookies 填写自己的即可 cookies = {} # 课程列表 def course_list(): headers = { 'authority': 'changjiang.yuketang.cn', 'accept': 'application/json, text/plain, */*', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'no-cache', 'pragma': 'no-cache', 'referer': 'https://changjiang.yuketang.cn/v2/web/index', 'sec-ch-ua': '"Google Chrome";v="119", "Chromium";v="119", "Not?A_Brand";v="24"', 'sec-ch-ua-mobile': '?0', 'sec-ch-ua-platform': '"macOS"', 'sec-fetch-dest': 'empty', 'sec-fetch-mode': 'cors', 'sec-fetch-site': 'same-origin', 'university-id': '0', 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36', 'uv-id': '0', 'xt-agent': 'web', 'xtbz': 'ykt', } params = { 'identity': '2', } response = requests.get('https://changjiang.yuketang.cn/v2/api/web/courses/list', params=params, cookies=cookies, headers=headers) return response.text ## 访问课程链接 def course_info(course_id): headers = { 'authority': 'changjiang.yuketang.cn', 'accept': 'application/json, text/plain, */*', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'no-cache', 'classroom-id': '14037619', # 'cookie': 'JG_fcdf8e635093adde6bef42651_PV=1701342457885|1701342464783; django_language=zh-cn; sensorsdata2015jssdkcross=%7B%22distinct_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%2C%22first_id%22%3A%22%22%2C%22props%22%3A%7B%7D%2C%22identities%22%3A%22eyIkaWRlbnRpdHlfY29va2llX2lkIjoiMThjMWY3MTE4MzAxNmQ2LTBjZTM0NjRkYWQ4YmQ1OC0xNjUyNTYzNC0yMDczNjAwLTE4YzFmNzExODMxMjZhNyJ9%22%2C%22history_login_id%22%3A%7B%22name%22%3A%22%22%2C%22value%22%3A%22%22%7D%2C%22%24device_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%7D; sajssdk_2015_cross_new_user=1; csrftoken=kWczx89mCJgThyBIBlOitizxRIH7Tuef; sessionid=byzyzsb66yxmrf0vy702ap05mm88i74d; user_role=-1; classroomId=14037619; classroom_id=14037619; JG_fcdf8e635093adde6bef42651_PV=1701342457656|1701342457656', 'pragma': 'no-cache', 'referer': 'https://changjiang.yuketang.cn/v2/web/studentLog/14037619', 'sec-ch-ua': '"Google Chrome";v="119", "Chromium";v="119", "Not?A_Brand";v="24"', 'sec-ch-ua-mobile': '?0', 'sec-ch-ua-platform': '"macOS"', 'sec-fetch-dest': 'empty', 'sec-fetch-mode': 'cors', 'sec-fetch-site': 'same-origin', 'university-id': '2868', 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36', 'uv-id': '2868', 'xt-agent': 'web', 'xtbz': 'ykt', } params = { 'actype': '-1', 'page': '0', 'offset': '20', 'sort': '-1', } response = requests.get( 'https://changjiang.yuketang.cn/v2/api/web/logs/learn/'+str(course_id), params=params, cookies=cookies,headers=headers) return response.text def courseware(id): headers = { 'authority': 'changjiang.yuketang.cn', 'accept': 'application/json, text/plain, */*', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'no-cache', 'classroom-id': '14037619', # 'cookie': 'django_language=zh-cn; sensorsdata2015jssdkcross=%7B%22distinct_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%2C%22first_id%22%3A%22%22%2C%22props%22%3A%7B%7D%2C%22identities%22%3A%22eyIkaWRlbnRpdHlfY29va2llX2lkIjoiMThjMWY3MTE4MzAxNmQ2LTBjZTM0NjRkYWQ4YmQ1OC0xNjUyNTYzNC0yMDczNjAwLTE4YzFmNzExODMxMjZhNyJ9%22%2C%22history_login_id%22%3A%7B%22name%22%3A%22%22%2C%22value%22%3A%22%22%7D%2C%22%24device_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%7D; sajssdk_2015_cross_new_user=1; csrftoken=kWczx89mCJgThyBIBlOitizxRIH7Tuef; sessionid=byzyzsb66yxmrf0vy702ap05mm88i74d; user_role=-1; classroomId=14037619; classroom_id=14037619; JG_fcdf8e635093adde6bef42651_PV=1701342457656|1701342457656', 'pragma': 'no-cache', 'referer': 'https://changjiang.yuketang.cn/v2/web/studentLog/14037619', 'sec-ch-ua': '"Google Chrome";v="119", "Chromium";v="119", "Not?A_Brand";v="24"', 'sec-ch-ua-mobile': '?0', 'sec-ch-ua-platform': '"macOS"', 'sec-fetch-dest': 'empty', 'sec-fetch-mode': 'cors', 'sec-fetch-site': 'same-origin', 'university-id': '2868', 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36', 'uv-id': '2868', 'x-csrftoken': 'kWczx89mCJgThyBIBlOitizxRIH7Tuef', 'xt-agent': 'web', 'xtbz': 'ykt', } response = requests.get( 'https://changjiang.yuketang.cn/c27/online_courseware/xty/kls/pub_news/'+id+'/', cookies=cookies, headers=headers, ) return response.text def coursePageInfo(course_id, id): headers = { 'authority': 'changjiang.yuketang.cn', 'accept': 'application/json, text/plain, */*', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'no-cache', 'classroom-id': '14037619', # 'cookie': 'django_language=zh-cn; sensorsdata2015jssdkcross=%7B%22distinct_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%2C%22first_id%22%3A%22%22%2C%22props%22%3A%7B%7D%2C%22identities%22%3A%22eyIkaWRlbnRpdHlfY29va2llX2lkIjoiMThjMWY3MTE4MzAxNmQ2LTBjZTM0NjRkYWQ4YmQ1OC0xNjUyNTYzNC0yMDczNjAwLTE4YzFmNzExODMxMjZhNyJ9%22%2C%22history_login_id%22%3A%7B%22name%22%3A%22%22%2C%22value%22%3A%22%22%7D%2C%22%24device_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%7D; sajssdk_2015_cross_new_user=1; csrftoken=kWczx89mCJgThyBIBlOitizxRIH7Tuef; sessionid=byzyzsb66yxmrf0vy702ap05mm88i74d; user_role=-1; classroomId=14037619; classroom_id=14037619; JG_fcdf8e635093adde6bef42651_PV=1701342457656|1701342457656', 'pragma': 'no-cache', 'referer': 'https://changjiang.yuketang.cn/v2/web/xcloud/video-student/14037619/18867446', 'sec-ch-ua': '"Google Chrome";v="119", "Chromium";v="119", "Not?A_Brand";v="24"', 'sec-ch-ua-mobile': '?0', 'sec-ch-ua-platform': '"macOS"', 'sec-fetch-dest': 'empty', 'sec-fetch-mode': 'cors', 'sec-fetch-site': 'same-origin', 'university-id': '2868', 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36', 'uv-id': '2868', 'xt-agent': 'web', 'xtbz': 'ykt', } response = requests.get( 'https://changjiang.yuketang.cn/mooc-api/v1/lms/learn/leaf_info/'+str(course_id)+'/'+str(id)+'/', cookies=cookies, headers=headers, ) return response.text def is_course_success(course_id, user_id, classroom_id, video_id): headers = { 'authority': 'changjiang.yuketang.cn', 'accept': 'application/json, text/plain, */*', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'no-cache', 'classroom-id': '14037619', # 'cookie': 'django_language=zh-cn; sensorsdata2015jssdkcross=%7B%22distinct_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%2C%22first_id%22%3A%22%22%2C%22props%22%3A%7B%7D%2C%22identities%22%3A%22eyIkaWRlbnRpdHlfY29va2llX2lkIjoiMThjMWY3MTE4MzAxNmQ2LTBjZTM0NjRkYWQ4YmQ1OC0xNjUyNTYzNC0yMDczNjAwLTE4YzFmNzExODMxMjZhNyJ9%22%2C%22history_login_id%22%3A%7B%22name%22%3A%22%22%2C%22value%22%3A%22%22%7D%2C%22%24device_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%7D; csrftoken=kWczx89mCJgThyBIBlOitizxRIH7Tuef; sessionid=byzyzsb66yxmrf0vy702ap05mm88i74d; user_role=-1; classroomId=14037619; classroom_id=14037619; JG_fcdf8e635093adde6bef42651_PV=1701342457656|1701342457656', 'pragma': 'no-cache', 'referer': 'https://changjiang.yuketang.cn/v2/web/xcloud/video-student/14037619/18867444', 'sec-ch-ua': '"Google Chrome";v="119", "Chromium";v="119", "Not?A_Brand";v="24"', 'sec-ch-ua-mobile': '?0', 'sec-ch-ua-platform': '"macOS"', 'sec-fetch-dest': 'empty', 'sec-fetch-mode': 'cors', 'sec-fetch-site': 'same-origin', 'university-id': '2868', 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36', 'uv-id': '2868', 'xt-agent': 'web', 'xtbz': 'ykt', } params = { 'cid': course_id, 'user_id': user_id, 'classroom_id': classroom_id, 'video_type': 'video', 'vtype': 'rate', 'video_id': video_id, 'snapshot': '1', } response = requests.get( 'https://changjiang.yuketang.cn/video-log/get_video_watch_progress/', params=params, cookies=cookies, headers=headers, ) return response.text def shuake(duration, videoTime, u, c,v,skuid,classroomid,cc, pg): headers = { 'authority': 'changjiang.yuketang.cn', 'accept': '*/*', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'no-cache', 'classroom-id': '14037619', 'content-type': 'application/json', # 'cookie': 'django_language=zh-cn; sensorsdata2015jssdkcross=%7B%22distinct_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%2C%22first_id%22%3A%22%22%2C%22props%22%3A%7B%7D%2C%22identities%22%3A%22eyIkaWRlbnRpdHlfY29va2llX2lkIjoiMThjMWY3MTE4MzAxNmQ2LTBjZTM0NjRkYWQ4YmQ1OC0xNjUyNTYzNC0yMDczNjAwLTE4YzFmNzExODMxMjZhNyJ9%22%2C%22history_login_id%22%3A%7B%22name%22%3A%22%22%2C%22value%22%3A%22%22%7D%2C%22%24device_id%22%3A%2218c1f71183016d6-0ce3464dad8bd58-16525634-2073600-18c1f71183126a7%22%7D; sajssdk_2015_cross_new_user=1; csrftoken=kWczx89mCJgThyBIBlOitizxRIH7Tuef; sessionid=byzyzsb66yxmrf0vy702ap05mm88i74d; user_role=-1; classroomId=14037619; classroom_id=14037619; JG_fcdf8e635093adde6bef42651_PV=1701342457656|1701342457656', 'origin': 'https://changjiang.yuketang.cn', 'pragma': 'no-cache', 'referer': 'https://changjiang.yuketang.cn/v2/web/xcloud/video-student/14037619/18867447', 'sec-ch-ua': '"Google Chrome";v="119", "Chromium";v="119", "Not?A_Brand";v="24"', 'sec-ch-ua-mobile': '?0', 'sec-ch-ua-platform': '"macOS"', 'sec-fetch-dest': 'empty', 'sec-fetch-mode': 'cors', 'sec-fetch-site': 'same-origin', 'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36', 'x-csrftoken': 'kWczx89mCJgThyBIBlOitizxRIH7Tuef', 'x-requested-with': 'XMLHttpRequest', 'xtbz': 'ykt', } json_data = { 'heart_data': [ { 'i': 5, 'et': 'playing', 'p': 'web', 'n': 'ali-cdn.xuetangx.com', 'lob': 'ykt', 'cp': videoTime, 'fp': 0, 'tp': videoTime, 'sp': 1, 'ts': int(time.time() * 1000), 'u': u, 'uip': '', 'c': c, 'v': v, 'skuid': skuid, 'classroomid': classroomid, 'cc': cc, 'd': duration, 'pg': pg, 'sq': 2, 't': 'video', 'cards_id': 0, 'slide': 0, 'v_url': '', } ] } response = requests.post('https://changjiang.yuketang.cn/video-log/heartbeat/', cookies=cookies, headers=headers, json=json_data) if __name__ == '__main__': json_str = course_list() data = json.loads(json_str) course_lst= data['data']['list'] ## 遍历课程 刷课 for course_lst in course_lst: ## 获取课程id 全部刷 course_id = course_lst['classroom_id'] # 假设course_info()方法返回的是一个JSON字符串 json_str = course_info(course_id) # 解析JSON字符串为Python对象 data = json.loads(json_str) activities = data['data']['activities'] # 遍历JSON对象 for activity in activities: if 'type' in activity: type = activity['type'] # 公告 if type == 9: print('这是一个公告') pass # 期末测试 elif type == 20: print('这是期末测试') pass elif type == 15: # 全部单元Id courseware_id = activity['courseware_id'] json_str = courseware(courseware_id) data = json.loads(json_str) content_info = data['data']['content_info'] for content_info in content_info: print(content_info['name']) for section_list in content_info['section_list']: time.sleep(1) randomStr = ''.join(random.choices('abcdefghijklmnopqrstuvwxyz0123456789', k=6)) courseChapterId = section_list['leaf_list'][0]['id'] # 注意这个位置 可能有的页面有多个任务而被忽略 video_name = section_list['name'] print(video_name, courseChapterId) # 进入课程界面 json_str = coursePageInfo(course_id, courseChapterId) data = json.loads(json_str) videoInfo = data['data'] c = videoInfo['course_id'] cc = videoInfo['content_info']['media']['ccid'] classroomid = videoInfo['classroom_id'] # cp 播放时长 d = videoInfo['content_info']['media']['duration'] sku_id = videoInfo['sku_id'] pg = str(videoInfo['id']) + "_" + randomStr v = videoInfo['id'] u = videoInfo['user_id'] progress = is_course_success(c, u, classroomid, v) if_completed = '0' try: if_completed = re.search(r'"completed":(.+?),', progress).group(1) except: pass if if_completed == '1': print(video_name, '\033[31m学习完成，跳过\033[0m') continue else: print(video_name + "，尚未学习，现在开始自动学习") videoTime = 0 while True: if videoTime >= d: videoTime == d shuake(d, videoTime, u, c, v, sku_id, classroomid, cc, pg) print(video_name, '\033[31m学习完成\033[0m') break # 模拟每5秒递增5，实际应用时需要替换为实际的递增逻辑 videoTime += 5 # 判断当前播放时长是否超过视频总时长 # 发送心跳请求 shuake(d, videoTime, u, c, v, sku_id, classroomid, cc, pg) print('学习时长：', videoTime) time.sleep(5) else: pass