269 lines
8.9 KiB
Python
269 lines
8.9 KiB
Python
import requests
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import re
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import time
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import subprocess
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import xml.etree.ElementTree as ET
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import sys
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# ==============================================================================
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# 配置区域
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# ==============================================================================
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# [配置] Cookie
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# 请替换为你的登录 Cookie
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COOKIE = ""
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# [配置] 目标课程和视频ID
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# 如果留空，脚本运行时会提示输入
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TARGET_COURSE_ID = ""
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TARGET_ITEM_ID = ""
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# [配置] 心跳间隔（秒）
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HEARTBEAT_INTERVAL = 0
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# [配置] 每次心跳增加的进度时间（秒）
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ADD_TIME = 120
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HEADERS = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
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"Cookie": COOKIE
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}
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# ==============================================================================
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# 核心功能函数
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# ==============================================================================
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def get_video_duration(video_url):
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"""
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使用 ffprobe 获取视频时长
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"""
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try:
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cmd = [
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"ffprobe",
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"-v", "error",
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"-show_entries", "format=duration",
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"-of", "default=noprint_wrappers=1:nokey=1",
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video_url
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]
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result = subprocess.run(
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cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, timeout=30)
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if result.returncode == 0:
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try:
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duration = float(result.stdout.strip())
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return duration
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except ValueError:
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print(f" [Error] ffprobe output invalid: {result.stdout}")
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return None
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else:
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print(f" [Error] ffprobe failed: {result.stderr}")
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return None
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except Exception as e:
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print(f" [Error] get_video_duration exception: {e}")
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return None
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def send_heartbeat(url, user_id, course_id, sco_id, history_id, add_time, current_time, total_time, finished, first_update):
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"""
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发送单个心跳包
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"""
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has_check_three = "true" if first_update == "true" else "false"
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has_check_two = "false"
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try:
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if float(total_time) > 0 and float(current_time) > (float(total_time) / 2):
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has_check_two = "true"
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except:
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pass
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has_check_one = "true" if str(finished) == "1" else "false"
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payload = {
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"userId": user_id,
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"courseId": course_id,
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"scoId": sco_id,
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"historyId": history_id,
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"addTime": str(add_time),
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"totalTime": str(total_time),
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"finished": finished,
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"currentTime": str(current_time),
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"hasCheckOne": has_check_one,
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"hasCheckTwo": has_check_two,
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"hasCheckThree": has_check_three,
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"firstUpdate": first_update
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}
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max_retries = 3
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for attempt in range(max_retries):
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try:
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resp = requests.post(
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url, data=payload, headers=HEADERS, timeout=10)
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resp.raise_for_status()
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if "<status>1</status>" in resp.text:
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return True
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elif "<status>-1</status>" in resp.text:
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print(" [Warning] 服务器返回 status -1 (可能多端登录或异常)")
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return False
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return True
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except Exception as e:
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print(f" [Warning] 请求异常 (尝试 {attempt+1}/{max_retries}): {e}")
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if attempt < max_retries - 1:
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time.sleep(2)
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else:
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return False
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return False
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def process_manual_video(course_id, item_id):
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"""
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处理单个视频的主逻辑
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"""
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print(f"\n>>> 开始处理: CourseId={course_id}, ItemId={item_id}")
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# 1. 请求视频页
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video_page_url = f"https://zjbc.cjnep.net/lms/web/course/view?id={course_id}&itemid={item_id}"
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try:
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print(" 正在获取视频页面信息...")
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resp = requests.get(video_page_url, headers=HEADERS)
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resp.raise_for_status()
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except Exception as e:
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print(f" [Error] 无法访问视频页: {e}")
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return
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# 2. 提取 config URL
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config_match = re.search(r"config:\s*'([^']+)'", resp.text)
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if not config_match:
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print(" [Error] 未找到 config URL，请检查 Cookie 是否过期或课程ID/ItemID是否正确。")
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return
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config_path = config_match.group(1)
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config_url = "https://zjbc.cjnep.net" + config_path
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print(f" Config URL: {config_url}")
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# 3. 请求 XML 配置
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try:
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xml_resp = requests.get(config_url, headers=HEADERS)
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xml_resp.raise_for_status()
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except Exception as e:
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print(f" [Error] 无法获取 XML 配置: {e}")
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return
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# 4. 解析 XML
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try:
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root = ET.fromstring(xml_resp.text)
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user_id = root.findtext("userId")
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upd_status_url = root.findtext("updStatusUrl")
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total_time_str = root.findtext("totalTime")
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history_id = root.findtext("historyId")
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finish_status = root.findtext("finish")
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# 视频 URL (用于 ffprobe)
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video_url = None
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file_url_node = root.find("fileUrl")
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if file_url_node is not None:
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video_url = file_url_node.findtext("normal")
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if upd_status_url and not upd_status_url.startswith("http"):
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upd_status_url = "https://zjbc.cjnep.net" + upd_status_url
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if not (user_id and upd_status_url and history_id):
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print(" [Error] XML 解析缺少关键字段")
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return
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# 检查是否已完成
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if finish_status == "true":
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print(f" [Info] 服务器显示该视频已完成 (finish=true)。")
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# 即使完成了，如果用户强制运行，也可以继续，但通常建议停止
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# 这里我们询问一下或者直接继续（为了刷时长？）
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# 既然是手动脚本，我们假设用户知道自己在做什么，继续执行，但给个提示
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# 获取时长
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total_time = 0.0
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if total_time_str:
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total_time = float(total_time_str)
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elif video_url:
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print(" [Info] XML 中未找到 totalTime，尝试通过 ffprobe 获取...")
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duration = get_video_duration(video_url)
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if duration:
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total_time = duration
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print(f" [Info] 获取到视频时长: {total_time}s")
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else:
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print(" [Error] 无法获取视频时长，无法继续")
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return
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else:
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print(" [Error] 无法确定视频总时长")
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return
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print(
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f" [Info] UserId={user_id}, HistoryId={history_id}, TotalTime={total_time}")
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except ET.ParseError:
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print(" [Error] XML 解析失败")
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return
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# 5. 循环发送心跳
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# 读取 XML 中的上次观看进度
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last_viewed_time_str = root.findtext("lastViewedTime")
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current_time = float(last_viewed_time_str) if last_viewed_time_str else 0.0
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print(f" [Start] 初始进度: {current_time}s / {total_time}s")
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is_first = "true"
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while True:
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if current_time >= total_time:
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print(" [Done] 进度已达到总时长。发送完成包...")
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send_heartbeat(upd_status_url, user_id, course_id, item_id, history_id,
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add_time=0, current_time=0, total_time=total_time,
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finished=1, first_update=is_first)
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print(" [Success] 任务完成！")
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break
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step = ADD_TIME
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if current_time + step >= total_time:
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step = int(total_time - current_time) + 1
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current_time = total_time
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finished_flag = 1
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post_current_time = 0
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else:
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current_time += step
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finished_flag = 0
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post_current_time = current_time
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print(
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f" [Sending] 发送心跳: 进度 {post_current_time if post_current_time > 0 else total_time}/{total_time} (add {step}s)...")
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success = send_heartbeat(upd_status_url, user_id, course_id, item_id, history_id,
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add_time=step, current_time=post_current_time, total_time=total_time,
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finished=finished_flag, first_update=is_first)
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if not success:
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print(" [Error] 心跳发送失败，停止。")
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break
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if finished_flag == 1:
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print(" [Done] 视频播放结束。")
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break
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is_first = "false"
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if HEARTBEAT_INTERVAL > 0:
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time.sleep(HEARTBEAT_INTERVAL)
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if __name__ == "__main__":
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print("="*50)
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print("手动刷课脚本")
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print("="*50)
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c_id = TARGET_COURSE_ID
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i_id = TARGET_ITEM_ID
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if not c_id:
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c_id = input("请输入 Course ID (例如 677): ").strip()
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if not i_id:
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i_id = input("请输入 Item ID (例如 142573): ").strip()
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if c_id and i_id:
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process_manual_video(c_id, i_id)
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else:
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print("输入无效，程序退出。")
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