upub/cli/src/nuke.rs
2025-01-20 23:52:36 +01:00

137 lines
4 KiB
Rust

use std::collections::HashSet;
use apb::{ActivityMut, BaseMut, ObjectMut};
use futures::TryStreamExt;
use sea_orm::{ActiveValue::{Set, NotSet}, ColumnTrait, EntityTrait, QueryFilter, QuerySelect, SelectColumns};
pub async fn nuke(ctx: upub::Context, for_real: bool, delete_posts: bool) -> Result<(), sea_orm::DbErr> {
if !for_real {
tracing::warn!("THIS IS A DRY RUN! pass --for-real to actually nuke this instance");
}
let mut to_undo = Vec::new();
// TODO rather expensive to find all local users with a LIKE query, should add an isLocal flag
let local_users_vec = upub::model::actor::Entity::find()
.filter(upub::model::actor::Column::Id.like(format!("{}%", ctx.base())))
.select_only()
.select_column(upub::model::actor::Column::Internal)
.into_tuple::<i64>()
.all(ctx.db())
.await?;
let local_users : HashSet<i64> = HashSet::from_iter(local_users_vec);
{
let mut stream = upub::model::relation::Entity::find().stream(ctx.db()).await?;
while let Some(like) = stream.try_next().await? {
if local_users.contains(&like.follower) {
to_undo.push(like.activity);
} else if local_users.contains(&like.following) {
if let Some(accept) = like.accept {
to_undo.push(accept);
}
}
}
}
for internal in to_undo {
let Some(activity) = upub::model::activity::Entity::find_by_id(internal)
.one(ctx.db())
.await?
else {
tracing::error!("could not load activity #{internal}");
continue;
};
let Some(ref oid) = activity.object
else {
tracing::error!("can't undo activity without object");
continue;
};
let (target, undone) = if matches!(activity.activity_type, apb::ActivityType::Follow) {
(oid.clone(), ctx.ap(activity.clone()))
} else {
let follow_activity = upub::model::activity::Entity::find_by_ap_id(oid)
.one(ctx.db())
.await?
.ok_or(sea_orm::DbErr::RecordNotFound(oid.clone()))?;
(follow_activity.clone().object.unwrap_or_default(), ctx.ap(follow_activity))
};
let aid = ctx.aid(&upub::Context::new_id());
let undo_activity = apb::new()
.set_id(Some(aid.clone()))
.set_activity_type(Some(apb::ActivityType::Undo))
.set_actor(apb::Node::link(activity.actor.clone()))
.set_object(apb::Node::object(undone))
.set_to(apb::Node::links(vec![target]))
.set_published(Some(chrono::Utc::now()));
let job = upub::model::job::ActiveModel {
internal: NotSet,
activity: Set(aid),
job_type: Set(upub::model::job::JobType::Outbound),
actor: Set(activity.actor),
target: Set(None),
published: Set(chrono::Utc::now()),
not_before: Set(chrono::Utc::now()),
attempt: Set(0),
payload: Set(Some(undo_activity)),
error: Set(None),
};
tracing::info!("undoing {}", activity.id);
if for_real {
upub::model::job::Entity::insert(job).exec(ctx.db()).await?;
}
}
if delete_posts {
let mut stream = upub::model::object::Entity::find()
.filter(upub::model::object::Column::Id.like(format!("{}%", ctx.base())))
.stream(ctx.db())
.await?;
while let Some(object) = stream.try_next().await? {
let aid = ctx.aid(&upub::Context::new_id());
let actor = object.attributed_to.unwrap_or_else(|| ctx.domain().to_string());
let undo_activity = apb::new()
.set_id(Some(aid.clone()))
.set_activity_type(Some(apb::ActivityType::Delete))
.set_actor(apb::Node::link(actor.clone()))
.set_object(apb::Node::link(object.id.clone()))
.set_to(apb::Node::links(object.to.0))
.set_cc(apb::Node::links(object.cc.0))
.set_bto(apb::Node::links(object.bto.0))
.set_bcc(apb::Node::links(object.bcc.0))
.set_published(Some(chrono::Utc::now()));
let job = upub::model::job::ActiveModel {
internal: NotSet,
activity: Set(aid),
job_type: Set(upub::model::job::JobType::Outbound),
actor: Set(actor),
target: Set(None),
published: Set(chrono::Utc::now()),
not_before: Set(chrono::Utc::now()),
attempt: Set(0),
payload: Set(Some(undo_activity)),
error: Set(None),
};
tracing::info!("deleting {}", object.id);
if for_real {
upub::model::job::Entity::insert(job).exec(ctx.db()).await?;
}
}
}
Ok(())
}