use crate::{
activities::community::announce::{AnnouncableActivities, AnnounceActivity},
- check_is_apub_id_valid,
extensions::signatures::sign_and_send,
insert_activity,
ActorType,
- CommunityType,
APUB_JSON_CONTENT_TYPE,
};
-use activitystreams::{
- base::{BaseExt, Extends, ExtendsExt},
- object::AsObject,
-};
use anyhow::{anyhow, Context, Error};
use background_jobs::{
create_server,
QueueHandle,
WorkerConfig,
};
-use itertools::Itertools;
-use lemmy_db_schema::source::{community::Community, person::Person};
+use lemmy_db_schema::source::community::Community;
use lemmy_utils::{location_info, settings::structs::Settings, LemmyError};
use lemmy_websocket::LemmyContext;
-use log::{debug, info, warn};
+use log::{info, warn};
use reqwest::Client;
use serde::{Deserialize, Serialize};
use std::{collections::BTreeMap, env, fmt::Debug, future::Future, pin::Pin};
use url::Url;
-/// From a local community, send activity to all remote followers.
-///
-/// * `activity` the apub activity to send
-/// * `community` the sending community
-/// * `extra_inbox` actor inbox which should receive the activity, in addition to followers
-pub(crate) async fn send_to_community_followers<T, Kind>(
- activity: T,
- community: &Community,
- extra_inbox: Option<Url>,
- context: &LemmyContext,
-) -> Result<(), LemmyError>
-where
- T: AsObject<Kind> + Extends<Kind> + Debug + BaseExt<Kind>,
- Kind: Serialize,
- <T as Extends<Kind>>::Error: From<serde_json::Error> + Send + Sync + 'static,
-{
- let extra_inbox: Vec<Url> = extra_inbox.into_iter().collect();
- let follower_inboxes: Vec<Url> = vec![
- community.get_follower_inboxes(context.pool()).await?,
- extra_inbox,
- ]
- .iter()
- .flatten()
- .unique()
- .filter(|inbox| inbox.host_str() != Some(&Settings::get().hostname))
- .filter(|inbox| check_is_apub_id_valid(inbox, false).is_ok())
- .map(|inbox| inbox.to_owned())
- .collect();
- debug!(
- "Sending activity {:?} to followers of {}",
- &activity.id_unchecked().map(ToString::to_string),
- &community.actor_id
- );
-
- send_activity_internal(context, activity, community, follower_inboxes, true, false).await?;
-
- Ok(())
-}
-
-/// Sends an activity from a local person to a remote community.
-///
-/// * `activity` the activity to send
-/// * `creator` the creator of the activity
-/// * `community` the destination community
-/// * `object_actor` if the object of the activity is an actor, it should be passed here so it can
-/// be sent directly to the actor
-///
-pub(crate) async fn send_to_community<T, Kind>(
- activity: T,
- creator: &Person,
- community: &Community,
- object_actor: Option<Url>,
- context: &LemmyContext,
-) -> Result<(), LemmyError>
-where
- T: AsObject<Kind> + Extends<Kind> + Debug + BaseExt<Kind>,
- Kind: Serialize,
- <T as Extends<Kind>>::Error: From<serde_json::Error> + Send + Sync + 'static,
-{
- // if this is a local community, we need to do an announce from the community instead
- if community.local {
- community
- .send_announce(activity.into_any_base()?, object_actor, context)
- .await?;
- } else {
- let inbox = community.get_shared_inbox_or_inbox_url();
- check_is_apub_id_valid(&inbox, false)?;
- debug!(
- "Sending activity {:?} to community {}",
- &activity.id_unchecked().map(ToString::to_string),
- &community.actor_id
- );
- // dont send to object_actor here, as that is responsibility of the community itself
- send_activity_internal(context, activity, creator, vec![inbox], true, false).await?;
- }
-
- Ok(())
-}
-
pub(crate) async fn send_to_community_new(
activity: AnnouncableActivities,
activity_id: &Url,
Ok(())
}
-/// Create new `SendActivityTasks`, which will deliver the given activity to inboxes, as well as
-/// handling signing and retrying failed deliveres.
-///
-/// The caller of this function needs to remove any blocked domains from `to`,
-/// using `check_is_apub_id_valid()`.
-async fn send_activity_internal<T, Kind>(
- context: &LemmyContext,
- activity: T,
- actor: &dyn ActorType,
- inboxes: Vec<Url>,
- insert_into_db: bool,
- sensitive: bool,
-) -> Result<(), LemmyError>
-where
- T: AsObject<Kind> + Extends<Kind> + Debug,
- Kind: Serialize,
- <T as Extends<Kind>>::Error: From<serde_json::Error> + Send + Sync + 'static,
-{
- if !Settings::get().federation.enabled || inboxes.is_empty() {
- return Ok(());
- }
-
- // Don't send anything to ourselves
- let hostname = Settings::get().get_hostname_without_port()?;
- let inboxes: Vec<&Url> = inboxes
- .iter()
- .filter(|i| i.domain().expect("valid inbox url") != hostname)
- .collect();
-
- let activity = activity.into_any_base()?;
- let serialised_activity = serde_json::to_string(&activity)?;
-
- // This is necessary because send_comment and send_comment_mentions
- // might send the same ap_id
- if insert_into_db {
- let id = activity.id().context(location_info!())?;
- insert_activity(id, activity.clone(), true, sensitive, context.pool()).await?;
- }
-
- for i in inboxes {
- let message = SendActivityTask {
- activity: serialised_activity.to_owned(),
- inbox: i.to_owned(),
- actor_id: actor.actor_id(),
- private_key: actor.private_key().context(location_info!())?,
- };
- if env::var("LEMMY_TEST_SEND_SYNC").is_ok() {
- do_send(message, &Client::default()).await?;
- } else {
- context.activity_queue.queue::<SendActivityTask>(message)?;
- }
- }
-
- Ok(())
-}
-
#[derive(Clone, Debug, Deserialize, Serialize)]
struct SendActivityTask {
activity: String,