lemmy/lemmy_apub/src/objects/private_message.rs

102 lines
3 KiB
Rust

use crate::{
check_is_apub_id_valid,
fetcher::get_or_fetch_and_upsert_user,
objects::{check_object_domain, create_tombstone},
FromApub,
ToApub,
};
use activitystreams::{
object::{kind::NoteType, Note, Tombstone},
prelude::*,
};
use anyhow::Context;
use lemmy_db::{
private_message::{PrivateMessage, PrivateMessageForm},
user::User_,
Crud,
DbPool,
};
use lemmy_structs::blocking;
use lemmy_utils::{location_info, utils::convert_datetime, LemmyError};
use lemmy_websocket::LemmyContext;
use url::Url;
#[async_trait::async_trait(?Send)]
impl ToApub for PrivateMessage {
type Response = Note;
async fn to_apub(&self, pool: &DbPool) -> Result<Note, LemmyError> {
let mut private_message = Note::new();
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??;
private_message
.set_context(activitystreams::context())
.set_id(Url::parse(&self.ap_id.to_owned())?)
.set_published(convert_datetime(self.published))
.set_content(self.content.to_owned())
.set_to(recipient.actor_id)
.set_attributed_to(creator.actor_id);
if let Some(u) = self.updated {
private_message.set_updated(convert_datetime(u));
}
Ok(private_message)
}
fn to_tombstone(&self) -> Result<Tombstone, LemmyError> {
create_tombstone(self.deleted, &self.ap_id, self.updated, NoteType::Note)
}
}
#[async_trait::async_trait(?Send)]
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,
context: &LemmyContext,
expected_domain: Option<Url>,
) -> Result<PrivateMessageForm, LemmyError> {
let creator_actor_id = note
.attributed_to()
.context(location_info!())?
.clone()
.single_xsd_any_uri()
.context(location_info!())?;
let creator = get_or_fetch_and_upsert_user(&creator_actor_id, context).await?;
let recipient_actor_id = note
.to()
.context(location_info!())?
.clone()
.single_xsd_any_uri()
.context(location_info!())?;
let recipient = get_or_fetch_and_upsert_user(&recipient_actor_id, context).await?;
let ap_id = note.id_unchecked().context(location_info!())?.to_string();
check_is_apub_id_valid(&Url::parse(&ap_id)?)?;
Ok(PrivateMessageForm {
creator_id: creator.id,
recipient_id: recipient.id,
content: note
.content()
.context(location_info!())?
.as_single_xsd_string()
.context(location_info!())?
.to_string(),
published: note.published().map(|u| u.to_owned().naive_local()),
updated: note.updated().map(|u| u.to_owned().naive_local()),
deleted: None,
read: None,
ap_id: Some(check_object_domain(note, expected_domain)?),
local: false,
})
}
}