Re: (was Re: Adding a description text property for a track) non-free javascript and ytdl

[Yuchen Pei]

On Thu 2022-03-24 16:16:05 +0100, Alexandre Garreau wrote:

> Le merkredo, 23-a de marto 2022, 22-a horo kaj 14:01 CET Yuchen Pei a écrit :
>
>> On Wed 2022-03-23 20:32:36 +0100, Alexandre Garreau wrote:
>
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>> 
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>> > I don’t see how GET/POST is related: you can use POST without any
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>> > javascript (both POST and PUT existed before javascript), while for
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>> > youtube, even any GET statement provides nothing but a blank page,
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>> > and you need to execute javascript to get anything.
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>> 
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>> You can download a yt video by GET only:
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> my point about POST being unrelated to javascript still holds;
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>> wget -O- 2>/dev/null https://youtube.com/watch?v=dQw4w9WgXcQ | grep
> -oP
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>> 'ytInitialPlayerResponse\s*=\s*(.+)\s*;</script>' | grep -o '\{.*\}' |
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>> jq .
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>> 
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>> There you get a json with all the video / audio formats and their links.
>
> actually that’s an interesting exemple because, as I said, this too actually
> amounts to interpreting a (although smaller) subset of javascript…
>

There's parsing, but no execution, so that's ok.

Best,
Yuchen

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