lemmy/server/src/apub/private_message.rs

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use crate::{
apub::{
activities::send_activity, create_tombstone, fetcher::get_or_fetch_and_upsert_remote_user,
insert_activity, ApubObjectType, FromApub, ToApub,
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},
blocking, DbPool, LemmyError,
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};
use activitystreams::{
activity::{Create, Delete, Undo, Update},
context,
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object::{kind::NoteType, properties::ObjectProperties, Note},
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};
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use activitystreams_new::object::Tombstone;
use actix_web::client::Client;
use lemmy_db::{
private_message::{PrivateMessage, PrivateMessageForm},
user::User_,
Crud,
};
use lemmy_utils::convert_datetime;
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#[async_trait::async_trait(?Send)]
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impl ToApub for PrivateMessage {
type Response = Note;
async fn to_apub(&self, pool: &DbPool) -> Result<Note, LemmyError> {
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let mut private_message = Note::default();
let oprops: &mut ObjectProperties = private_message.as_mut();
let creator_id = self.creator_id;
let creator = blocking(pool, move |conn| User_::read(conn, creator_id)).await??;
let recipient_id = self.recipient_id;
let recipient = blocking(pool, move |conn| User_::read(conn, recipient_id)).await??;
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oprops
.set_context_xsd_any_uri(context())?
.set_id(self.ap_id.to_owned())?
.set_published(convert_datetime(self.published))?
.set_content_xsd_string(self.content.to_owned())?
.set_to_xsd_any_uri(recipient.actor_id)?
.set_attributed_to_xsd_any_uri(creator.actor_id)?;
if let Some(u) = self.updated {
oprops.set_updated(convert_datetime(u))?;
}
Ok(private_message)
}
fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
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create_tombstone(
self.deleted,
&self.ap_id,
self.updated,
NoteType.to_string(),
)
}
}
#[async_trait::async_trait(?Send)]
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impl FromApub for PrivateMessageForm {
type ApubType = Note;
/// Parse an ActivityPub note received from another instance into a Lemmy Private message
async fn from_apub(
note: &Note,
client: &Client,
pool: &DbPool,
) -> Result<PrivateMessageForm, LemmyError> {
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let oprops = &note.object_props;
let creator_actor_id = &oprops.get_attributed_to_xsd_any_uri().unwrap();
let creator = get_or_fetch_and_upsert_remote_user(&creator_actor_id, client, pool).await?;
let recipient_actor_id = &oprops.get_to_xsd_any_uri().unwrap();
let recipient = get_or_fetch_and_upsert_remote_user(&recipient_actor_id, client, pool).await?;
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Ok(PrivateMessageForm {
creator_id: creator.id,
recipient_id: recipient.id,
content: oprops
.get_content_xsd_string()
.map(|c| c.to_string())
.unwrap(),
published: oprops
.get_published()
.map(|u| u.as_ref().to_owned().naive_local()),
updated: oprops
.get_updated()
.map(|u| u.as_ref().to_owned().naive_local()),
deleted: None,
read: None,
ap_id: oprops.get_id().unwrap().to_string(),
local: false,
})
}
}
#[async_trait::async_trait(?Send)]
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impl ApubObjectType for PrivateMessage {
/// Send out information about a newly created private message
async fn send_create(
&self,
creator: &User_,
client: &Client,
pool: &DbPool,
) -> Result<(), LemmyError> {
let note = self.to_apub(pool).await?;
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let id = format!("{}/create/{}", self.ap_id, uuid::Uuid::new_v4());
let recipient_id = self.recipient_id;
let recipient = blocking(pool, move |conn| User_::read(conn, recipient_id)).await??;
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let mut create = Create::new();
create
.object_props
.set_context_xsd_any_uri(context())?
.set_id(id)?;
let to = format!("{}/inbox", recipient.actor_id);
create
.create_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(note)?;
insert_activity(creator.id, create.clone(), true, pool).await?;
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send_activity(client, &create, creator, vec![to]).await?;
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Ok(())
}
/// Send out information about an edited post, to the followers of the community.
async fn send_update(
&self,
creator: &User_,
client: &Client,
pool: &DbPool,
) -> Result<(), LemmyError> {
let note = self.to_apub(pool).await?;
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let id = format!("{}/update/{}", self.ap_id, uuid::Uuid::new_v4());
let recipient_id = self.recipient_id;
let recipient = blocking(pool, move |conn| User_::read(conn, recipient_id)).await??;
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let mut update = Update::new();
update
.object_props
.set_context_xsd_any_uri(context())?
.set_id(id)?;
let to = format!("{}/inbox", recipient.actor_id);
update
.update_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(note)?;
insert_activity(creator.id, update.clone(), true, pool).await?;
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send_activity(client, &update, creator, vec![to]).await?;
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Ok(())
}
async fn send_delete(
&self,
creator: &User_,
client: &Client,
pool: &DbPool,
) -> Result<(), LemmyError> {
let note = self.to_apub(pool).await?;
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let id = format!("{}/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let recipient_id = self.recipient_id;
let recipient = blocking(pool, move |conn| User_::read(conn, recipient_id)).await??;
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let mut delete = Delete::new();
delete
.object_props
.set_context_xsd_any_uri(context())?
.set_id(id)?;
let to = format!("{}/inbox", recipient.actor_id);
delete
.delete_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(note)?;
insert_activity(creator.id, delete.clone(), true, pool).await?;
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send_activity(client, &delete, creator, vec![to]).await?;
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Ok(())
}
async fn send_undo_delete(
&self,
creator: &User_,
client: &Client,
pool: &DbPool,
) -> Result<(), LemmyError> {
let note = self.to_apub(pool).await?;
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let id = format!("{}/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let recipient_id = self.recipient_id;
let recipient = blocking(pool, move |conn| User_::read(conn, recipient_id)).await??;
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let mut delete = Delete::new();
delete
.object_props
.set_context_xsd_any_uri(context())?
.set_id(id)?;
let to = format!("{}/inbox", recipient.actor_id);
delete
.delete_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(note)?;
// TODO
// Undo that fake activity
let undo_id = format!("{}/undo/delete/{}", self.ap_id, uuid::Uuid::new_v4());
let mut undo = Undo::default();
undo
.object_props
.set_context_xsd_any_uri(context())?
.set_id(undo_id)?;
undo
.undo_props
.set_actor_xsd_any_uri(creator.actor_id.to_owned())?
.set_object_base_box(delete)?;
insert_activity(creator.id, undo.clone(), true, pool).await?;
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send_activity(client, &undo, creator, vec![to]).await?;
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Ok(())
}
async fn send_remove(
&self,
_mod_: &User_,
_client: &Client,
_pool: &DbPool,
) -> Result<(), LemmyError> {
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unimplemented!()
}
async fn send_undo_remove(
&self,
_mod_: &User_,
_client: &Client,
_pool: &DbPool,
) -> Result<(), LemmyError> {
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unimplemented!()
}
}