lemmy/server/src/apub/user_inbox.rs
2020-04-24 10:04:36 -04:00

126 lines
3.6 KiB
Rust

use super::*;
#[serde(untagged)]
#[derive(Deserialize, Debug)]
pub enum UserAcceptedObjects {
Create(Create),
Update(Update),
Accept(Accept),
}
/// Handler for all incoming activities to user inboxes.
pub async fn user_inbox(
request: HttpRequest,
input: web::Json<UserAcceptedObjects>,
path: web::Path<String>,
db: DbPoolParam,
chat_server: ChatServerParam,
) -> Result<HttpResponse, Error> {
// TODO: would be nice if we could do the signature check here, but we cant access the actor property
let input = input.into_inner();
let conn = &db.get().unwrap();
let username = path.into_inner();
debug!(
"User {} received activity: {:?}",
&username,
&input
);
match input {
UserAcceptedObjects::Create(c) => handle_create(&c, &request, &username, &conn),
UserAcceptedObjects::Update(u) => handle_update(&u, &request, &username, &conn),
UserAcceptedObjects::Accept(a) => handle_accept(&a, &request, &username, &conn),
}
}
/// Handle create activities and insert them in the database.
fn handle_create(
create: &Create,
request: &HttpRequest,
username: &str,
conn: &PgConnection,
) -> Result<HttpResponse, Error> {
// TODO before this even gets named, because we don't know what type of object it is, we need
// to parse this out
let community_uri = create
.create_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
// TODO: should do this in a generic way so we dont need to know if its a user or a community
let user = fetch_remote_user(&Url::parse(&community_uri)?, conn)?;
verify(request, &user.public_key.unwrap())?;
let page = create
.create_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Page>()?;
let post = PostForm::from_page(&page, conn)?;
Post::create(conn, &post)?;
// TODO: send the new post out via websocket
Ok(HttpResponse::Ok().finish())
}
/// Handle update activities and insert them in the database.
fn handle_update(
update: &Update,
request: &HttpRequest,
username: &str,
conn: &PgConnection,
) -> Result<HttpResponse, Error> {
let community_uri = update
.update_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
let user = fetch_remote_user(&Url::parse(&community_uri)?, conn)?;
verify(request, &user.public_key.unwrap())?;
let page = update
.update_props
.get_object_base_box()
.to_owned()
.unwrap()
.to_owned()
.to_concrete::<Page>()?;
let post = PostForm::from_page(&page, conn)?;
let id = Post::read_from_apub_id(conn, &post.ap_id)?.id;
Post::update(conn, id, &post)?;
// TODO: send the new post out via websocket
Ok(HttpResponse::Ok().finish())
}
/// Handle accepted follows.
fn handle_accept(
accept: &Accept,
request: &HttpRequest,
username: &str,
conn: &PgConnection,
) -> Result<HttpResponse, Error> {
let community_uri = accept
.accept_props
.get_actor_xsd_any_uri()
.unwrap()
.to_string();
let community = get_or_fetch_and_upsert_remote_community(&community_uri, conn)?;
verify(request, &community.public_key.unwrap())?;
let user = User_::read_from_name(&conn, username)?;
// Now you need to add this to the community follower
let community_follower_form = CommunityFollowerForm {
community_id: community.id,
user_id: user.id,
};
// This will fail if they're already a follower
CommunityFollower::follow(&conn, &community_follower_form)?;
// TODO: make sure that we actually requested a follow
// TODO: at this point, indicate to the user that they are following the community
Ok(HttpResponse::Ok().finish())
}