iawia002/lux

Bilibili 大会员 cookies only applied to first few downloads when reading URLs from file/using multiple inputs

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#396 opened on Feb 27, 2019

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bilibilihelp wanted

Description

你好！当从文件里读取URLs来并使用cookies来下载B站大会员高清1080P+的视频时，只有前两个（有时只有第一个）视频的下载是“高清 1080P+/60”，之后的下载开始视频质量变成了“高清 1080P“。比如当我从“list.txt"文件读取并下载以下四个视频：

https://www.bilibili.com/video/av44924522
https://www.bilibili.com/video/av44665613
https://www.bilibili.com/video/av44740863
https://www.bilibili.com/video/av44362828

开启debug模式后，命令行的记录如下：pastebin [link（抱歉记录很长，我不确定该如何筛选）；删除cookies后的记录：pastebin link；下载的第一个视频是1080P+，第二个开始变成了1080P。

请问大家有过类似的问题吗，有没有什么建议的解决方法呢？

十分感谢！

Contributor guide

Tech stack
go
Domain
cli
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
Go fundamentalsHTTP cookie handlingReading Go code
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60
Research direction
Investigate the code that handles multiple URLs from a file input (likely in `download.go` or similar). Check how cookies are initialized and applied for each video download. The issue suggests that cookies are only effective for the first few downloads; this could indicate a problem with cookie jar reuse or expiration handling. Look for any global state that might be cleared or reset after the first download. Also, review any recent commits or issues related to cookie handling for Bilibili.