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69 lines
2 KiB
Rust
69 lines
2 KiB
Rust
use crate::apub::activities::accept_follow;
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use crate::apub::fetcher::fetch_remote_user;
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use crate::apub::signatures::verify;
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use crate::db::community::{Community, CommunityFollower, CommunityFollowerForm};
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use crate::db::Followable;
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use activitystreams::activity::Follow;
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use actix_web::{web, HttpRequest, HttpResponse};
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use diesel::r2d2::{ConnectionManager, Pool};
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use diesel::PgConnection;
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use failure::Error;
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use log::debug;
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use serde::Deserialize;
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use url::Url;
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#[serde(untagged)]
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#[derive(Deserialize, Debug)]
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pub enum CommunityAcceptedObjects {
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Follow(Follow),
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}
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/// Handler for all incoming activities to community inboxes.
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pub async fn community_inbox(
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request: HttpRequest,
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input: web::Json<CommunityAcceptedObjects>,
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path: web::Path<String>,
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db: web::Data<Pool<ConnectionManager<PgConnection>>>,
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) -> Result<HttpResponse, Error> {
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let input = input.into_inner();
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let conn = &db.get().unwrap();
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debug!(
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"Community {} received activity {:?}",
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&path.into_inner(),
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&input
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);
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match input {
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CommunityAcceptedObjects::Follow(f) => handle_follow(&f, &request, conn),
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}
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}
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/// Handle a follow request from a remote user, adding it to the local database and returning an
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/// Accept activity.
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fn handle_follow(
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follow: &Follow,
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request: &HttpRequest,
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conn: &PgConnection,
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) -> Result<HttpResponse, Error> {
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let user_uri = follow
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.follow_props
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.get_actor_xsd_any_uri()
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.unwrap()
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.to_string();
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let user = fetch_remote_user(&Url::parse(&user_uri)?, conn)?;
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verify(&request, &user.public_key.unwrap())?;
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// TODO: make sure this is a local community
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let community_uri = follow
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.follow_props
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.get_object_xsd_any_uri()
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.unwrap()
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.to_string();
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let community = Community::read_from_actor_id(conn, &community_uri)?;
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let community_follower_form = CommunityFollowerForm {
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community_id: community.id,
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user_id: user.id,
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};
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CommunityFollower::follow(&conn, &community_follower_form)?;
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accept_follow(&follow, conn)?;
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Ok(HttpResponse::Ok().finish())
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}
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