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Facebook turns over mother and daughter’s chat history to police resulting in abortion charges
(www.theverge.com)
this post was submitted on 09 Jul 2023
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Technology
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Single user instance locally hosted, is the only way forward
Hmm, that actually sounds like a great idea. Does it actually need to be reachable from the outside, if you don't want to host any of your own communities on it? Or will it be enough for the instance to just pool data? Apart from no-one being able to contact you via DM, that is.
I'll look into it, having my own home instance actually sounds pretty easy and it may work.
Actually - wouldn't it even be possible to build a browser extension for that? One that just simulates ActivityPub calls, and you just browse on someone else's instance without logging in while still allowing you to comment or vote on your behalf?
EDIT: I've posted some more thoughs about it to another comment, which I assumed was a reply to this one. The more I think about it, the more I really like the idea of a self-hosted front-end for Fediverse apps that doesn't host communities, but only user interactions and allows you to interact with other apps and instances.
An extension would be cool! I'm currently trying to do something similar, in some sense; I've patched my instance to filter out DB results from public queries so that only my posts and comments are visible (unless I am logged in).
I believe it might be possible, but I'm not sure. It seems that the protocol itself is mostly geared for synchronizing data and distributing updates. From my limited understanding, servers follow users or communities on other servers, which inform those servers that updates should be sent to the requesting inbox. These updates are then used to build up a local copy of the remote page. In the case of a remote community, users interact with their local copy and notify the remote community of those changes.
For example, I am viewing a local copy of this post that I received from lemmy.ml, and my reply to your comment will be stored locally. My server will notify lemmy.ml of this comment (including its contents), and lemmy.ml will notify my inbox if anyone interacts with it (because I am a follower).
It seems that at least some of this syncing might not be necessary... a lightweight frontend could rely on the API of each site it connects with to build up the activities it sends. However, this would probably cause some unnecessary traffic, as such a follower would both receive updates and query the API. Also it would probably break some things, such as
ap_id(see the multicolored fedilink icon, which points the original copy of the content on my instance).I think a cell phone is more than enough for one user, probably 100 users would still be fine. With a store and forward proxy even the momentary disconnections would cause missed messages nor notification
Most important is, a content discovery and sorting now lives on your device
The federation API isn't using E2E either. It makes no difference if you use your mobile client to contact the mobile API or if you're hosting your own instance to use the federation API in safety regards. You should always be aware that every message / post / image you publish (even in a closed group) in the internet could be traced back to you and with enough afford be available to anybody with the right skills.
Only end to end encryption can help you there - this is the way.
Is it even possible to implement E2E in the context of ActivtyPub? I mean, as far as I know, the federation doesn't specify what content you send, only activities, groups and object definitions. There's nothing stopping you from making the actual data E2E encrypted, altough making it so would be a hard problem.
On the other hand... As I've mused about in the other comments, it should be possible to create a fediverse app that serves as a self-hosted front-end for interacting with different fediverse apps. All of your personal data would live on it, and you are in full control. Which would also allow for a safe implementation of E2E, because you just publish your public key, and know that since the app is under your control, noone can get to it. However, this would mean that the other users whould have to use the same standart.
I actually really like that idea. If we can separate users from servers with content, so Lemmy instances would only host posts and comments, but DMs would be handled by the private user instances, it would make Fediverse a lot more private.
The only question standing in the way is - who hosts the content of the posts I make? If my home is programming.dev, and I post to lemmy.ml, do I send the post data through ActivityPub to Lemmy to host, or do I host in on programming.dev, and Lemmy.ml just gets the ID of the post? If it's first one, making the self-hosted user frontend will be easy, since all you need is a few API calls to make posts, and the only storage you need is for DMs and your account details (which may actually static, so a faked webpage returning your data may suffice). If it's the latter, then it will be a lot more difficult to easily self-host.
There is also the question of trust: The best solution should be an infrastructure that is due to E2E not able to read the messages it processes. The problem with this setup is, that you want to communicate publicly and you never know, who is part of your communication. I would advice to use signal or matrix if you need E2E. If not, use either Tor to proxy lemmy and try to stay anonymous or be aware, that your messages are not (which is always the best approach in my opinion).
Yes however they can't get your phone without nearly as easily as a third party's data
Is this practical? How technically difficult is it? What are the hardware requirements?
Any potato that can run a docker container. I'd say for 1 user that's going to be under 1gb ram and 1 vcpu