lemmy/crates/apub/src/http/mod.rs

66 lines
1.7 KiB
Rust

use crate::APUB_JSON_CONTENT_TYPE;
use actix_web::{body::Body, web, HttpResponse};
use http::StatusCode;
use lemmy_db_queries::source::activity::Activity_;
use lemmy_db_schema::source::activity::Activity;
use lemmy_structs::blocking;
use lemmy_utils::{settings::Settings, LemmyError};
use lemmy_websocket::LemmyContext;
use serde::{Deserialize, Serialize};
pub mod comment;
pub mod community;
pub mod post;
pub mod user;
/// Convert the data to json and turn it into an HTTP Response with the correct ActivityPub
/// headers.
fn create_apub_response<T>(data: &T) -> HttpResponse<Body>
where
T: Serialize,
{
HttpResponse::Ok()
.content_type(APUB_JSON_CONTENT_TYPE)
.json(data)
}
fn create_apub_tombstone_response<T>(data: &T) -> HttpResponse<Body>
where
T: Serialize,
{
HttpResponse::Gone()
.content_type(APUB_JSON_CONTENT_TYPE)
.status(StatusCode::GONE)
.json(data)
}
#[derive(Deserialize)]
pub struct CommunityQuery {
type_: String,
id: String,
}
/// Return the ActivityPub json representation of a local community over HTTP.
pub async fn get_activity(
info: web::Path<CommunityQuery>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse<Body>, LemmyError> {
let settings = Settings::get();
let activity_id = format!(
"{}/activities/{}/{}",
settings.get_protocol_and_hostname(),
info.type_,
info.id
);
let activity = blocking(context.pool(), move |conn| {
Activity::read_from_apub_id(&conn, &activity_id)
})
.await??;
let sensitive = activity.sensitive.unwrap_or(true);
if !activity.local || sensitive {
Ok(HttpResponse::NotFound().finish())
} else {
Ok(create_apub_response(&activity.data))
}
}