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I just developed and published a script to clear your pict-rs object storage from potential CSAM. (github.com)

submitted 1 year ago* (last edited 1 year 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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[-] CaptainBlagbird@lemmy.world 38 points 1 year ago

How do you even safely test scripts/tools like this 😵‍💫

[-] hackitfast@lemmy.world 28 points 1 year ago

I'd bet there's a CSAM test image dataset with innocuous images that get picked up by the script. Not sure how the system works, but if it's through hashes then it would be pretty simple to add that to the script.

this post was submitted on 28 Aug 2023

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