lemmy/crates/apub/src/activities/following/accept.rs
Nutomic e9e76549a8
Split activity table into sent and received parts (fixes #3103) (#3583)
* Split activity table into sent and received parts (fixes #3103)

The received activities are only stored in order to avoid processing
the same incoming activity multiple times. For this purpose it is
completely unnecessary to store the data. So we can split the
table into sent_activity and received_activity parts, where
only sent_activity table needs to store activity data. This should
reduce storage use significantly.

Also reduces activity storage duration to three months, we can reduce
this further if necessary.

Additionally the id columns of activity tables are removed because
they are completely unused and risk overflowing (fixes #3560).

* address review

* move insert_received_activity() methods to verify handlers

* remove unnecessary conflict line

* clippy

* use on conflict, add tests
2023-07-14 11:17:06 -04:00

73 lines
2.3 KiB
Rust

use crate::{
activities::{generate_activity_id, send_lemmy_activity},
insert_received_activity,
protocol::activities::following::{accept::AcceptFollow, follow::Follow},
};
use activitypub_federation::{
config::Data,
kinds::activity::AcceptType,
protocol::verification::verify_urls_match,
traits::{ActivityHandler, Actor},
};
use lemmy_api_common::context::LemmyContext;
use lemmy_db_schema::{source::community::CommunityFollower, traits::Followable};
use lemmy_utils::error::LemmyError;
use url::Url;
impl AcceptFollow {
#[tracing::instrument(skip_all)]
pub async fn send(follow: Follow, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
let user_or_community = follow.object.dereference_local(context).await?;
let person = follow.actor.clone().dereference(context).await?;
let accept = AcceptFollow {
actor: user_or_community.id().into(),
to: Some([person.id().into()]),
object: follow,
kind: AcceptType::Accept,
id: generate_activity_id(
AcceptType::Accept,
&context.settings().get_protocol_and_hostname(),
)?,
};
let inbox = vec![person.shared_inbox_or_inbox()];
send_lemmy_activity(context, accept, &user_or_community, inbox, true).await
}
}
/// Handle accepted follows
#[async_trait::async_trait]
impl ActivityHandler for AcceptFollow {
type DataType = LemmyContext;
type Error = LemmyError;
fn id(&self) -> &Url {
&self.id
}
fn actor(&self) -> &Url {
self.actor.inner()
}
#[tracing::instrument(skip_all)]
async fn verify(&self, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
insert_received_activity(&self.id, context).await?;
verify_urls_match(self.actor.inner(), self.object.object.inner())?;
self.object.verify(context).await?;
if let Some(to) = &self.to {
verify_urls_match(to[0].inner(), self.object.actor.inner())?;
}
Ok(())
}
#[tracing::instrument(skip_all)]
async fn receive(self, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
let community = self.actor.dereference(context).await?;
let person = self.object.actor.dereference(context).await?;
// This will throw an error if no follow was requested
let community_id = community.id;
let person_id = person.id;
CommunityFollower::follow_accepted(&mut context.pool(), community_id, person_id).await?;
Ok(())
}
}