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mikf / gallery-dl

Command-line program to download image galleries and collections from several image hosting sites
GNU General Public License v2.0
11.89k stars 976 forks source link

[Request] Site support: https://fakku.net (bit urgent if possible) #663

Closed pxssy closed 4 years ago

pxssy commented 4 years ago

https://twitter.com/FAKKU/status/1244457301454409728

They're allowing free access to their paid content for 2 weeks, which is prime time to get them. I've personally tried but all i get is scrambled images like this

There's some sort of obfuscation involved that its way out of my know how.

Hope you're able to.

mikf commented 4 years ago

Seems like they've made an effort to detect browser devtools. There are a number of (useless) debugger statements in their code, which will halt Javascript execution if your console is open, and disabling all breakpoints lets their Javacript code run in an endless loop.

Anyway, one can quite easily get all image URLs and metadata for a gallery from https://books.fakku.net//hentai/<title>/read, but all images will be obfuscated/scrambled. De-obfuscation happens client-side through JS by rearranging image parts to their correct location. gallery-dl will not be able to do that itself (it doesn't understand image formats/pixels/etc), and you'd have to use an external script to unscramble those cut-up images.

I've no idea how exactly that's going to work, only that key_data and key_hash from a gallery metadata have probably something to do with it.

Do you think I should still add support for Fakku, even though all downloaded will be pretty much useless until we've figured out how to unscramble them? (There are also other ways to get Fakku stuff, sukebei.nyaa.si, mega, ...)

wankio commented 4 years ago

it's useless https://imgur.com/a/DDbGSig. Trying to solve another issues is better.

and soon we will get torrent for that, so better wait. we already have ~10parts ripped

mikf commented 4 years ago

Well, I don't think this is doable with how they scramble their images. I haven't been able to figure out how to undo the scrambleing on a per-image basis, and I'd also have to learn how to use Pillow. So, no, this isn't happening. Sorry about that.

(Maybe there is some useful info to be had over here. hentai.cafe and hentainexus, both supported by gallery-dl, also have Fakku content from what I've heard)