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I just developed and published a script to clear your pict-rs object storage from potential CSAM. (github.com)
submitted 2 years ago* (last edited 2 years ago) by db0@lemmy.dbzer0.com to c/selfhosted@lemmy.world
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I noticed a bit of panic around here lately and as I have had to continuously fight against pedos for the past year, I have developed tools to help me detect and prevent this content.

As luck would have it, we recently published one of our anti-csam checker tool as a python library that anyone can use. So I thought I could use this to help lemmy admins feel a bit more safe.

The tool can either go through all your images via your object storage and delete all CSAM, or it canrun continuously and scan and delete all new images as well. Suggested option is to run it using --all once, and then run it as a daemon and leave it running.

Better options would be to be able to retrieve exact images uploaded via lemmy/pict-rs api but we're not there quite yet.

Let me know if you have any issue or improvements.

EDIT: Just to clarify, you should run this on your desktop PC with a GPU, not on your lemmy server!

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[-] bdonvr@thelemmy.club 22 points 2 years ago

Worth noting you seem to be missing dependencies in requirements.txt notably unidecode and strenum

Also that this only works with GPU acceleration on NVidia (maybe, I messed around with trying to get it to work with AMD ROCm instead of CUDA but didn't get it running)

[-] db0@lemmy.dbzer0.com 10 points 2 years ago

Ah thanks. I'll add them

[-] Rescuer6394@feddit.nl 7 points 2 years ago

to run on ROCm, you need a specific version of pytorch.

but it is still in beta, i would not expect it to run well

[-] bdonvr@thelemmy.club 4 points 2 years ago

I know, I tried and ran into some problems there. I just pulled out my NVidia laptop and got it to go (slowly)

this post was submitted on 28 Aug 2023
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