2023-08-02 09:32:16 +00:00
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use self::following::send_follow_community;
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2021-07-17 16:20:44 +00:00
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use crate::{
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2023-08-01 13:53:36 +00:00
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activities::{
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2023-08-02 16:52:41 +00:00
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block::{send_ban_from_community, send_ban_from_site},
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community::{
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collection_add::{send_add_mod_to_community, send_feature_post},
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lock_page::send_lock_post,
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update::send_update_community,
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},
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create_or_update::private_message::send_create_or_update_pm,
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deletion::{
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delete_user::delete_user,
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send_apub_delete_in_community,
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send_apub_delete_in_community_new,
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send_apub_delete_private_message,
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DeletableObjects,
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},
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2023-08-01 13:53:36 +00:00
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voting::send_like_activity,
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},
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2021-10-18 21:36:44 +00:00
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objects::{community::ApubCommunity, person::ApubPerson},
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2023-07-28 14:39:38 +00:00
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protocol::activities::{
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2023-08-02 16:52:41 +00:00
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community::report::Report,
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2023-07-28 14:39:38 +00:00
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create_or_update::{note::CreateOrUpdateNote, page::CreateOrUpdatePage},
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CreateOrUpdateType,
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},
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2022-06-02 14:33:41 +00:00
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CONTEXT,
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};
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use activitypub_federation::{
|
2023-03-21 15:03:05 +00:00
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activity_queue::send_activity,
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config::Data,
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fetch::object_id::ObjectId,
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kinds::public,
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protocol::context::WithContext,
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2022-06-08 15:45:39 +00:00
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traits::{ActivityHandler, Actor},
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2021-07-17 16:20:44 +00:00
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};
|
2022-03-16 20:11:49 +00:00
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use anyhow::anyhow;
|
2023-07-19 13:49:41 +00:00
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use lemmy_api_common::{
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context::LemmyContext,
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send_activity::{ActivityChannel, SendActivityData},
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};
|
2023-07-13 14:12:01 +00:00
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use lemmy_db_schema::{
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newtypes::CommunityId,
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2023-07-14 15:17:06 +00:00
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source::{
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activity::{SentActivity, SentActivityForm},
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community::Community,
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instance::Instance,
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},
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2023-07-13 14:12:01 +00:00
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};
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2022-05-03 17:44:13 +00:00
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use lemmy_db_views_actor::structs::{CommunityPersonBanView, CommunityView};
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2023-07-19 13:49:41 +00:00
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use lemmy_utils::{
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error::{LemmyError, LemmyErrorExt, LemmyErrorType, LemmyResult},
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spawn_try_task,
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SYNCHRONOUS_FEDERATION,
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};
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2023-07-13 14:12:01 +00:00
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use moka::future::Cache;
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use once_cell::sync::Lazy;
|
2021-10-29 10:32:42 +00:00
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use serde::Serialize;
|
2023-07-13 14:12:01 +00:00
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use std::{ops::Deref, sync::Arc, time::Duration};
|
2021-11-23 12:16:47 +00:00
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use tracing::info;
|
2021-07-27 22:18:50 +00:00
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use url::{ParseError, Url};
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use uuid::Uuid;
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2021-07-17 16:20:44 +00:00
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2022-02-07 19:23:12 +00:00
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pub mod block;
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2021-07-17 16:20:44 +00:00
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pub mod community;
|
2022-02-14 15:14:24 +00:00
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pub mod create_or_update;
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2021-07-17 16:20:44 +00:00
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pub mod deletion;
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pub mod following;
|
2022-11-28 14:29:33 +00:00
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pub mod unfederated;
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2021-07-17 16:20:44 +00:00
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pub mod voting;
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|
2023-07-13 14:12:01 +00:00
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/// Amount of time that the list of dead instances is cached. This is only updated once a day,
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/// so there is no harm in caching it for a longer time.
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pub static DEAD_INSTANCE_LIST_CACHE_DURATION: Duration = Duration::from_secs(30 * 60);
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|
2021-07-17 16:20:44 +00:00
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/// Checks that the specified Url actually identifies a Person (by fetching it), and that the person
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/// doesn't have a site ban.
|
2021-12-06 14:54:47 +00:00
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#[tracing::instrument(skip_all)]
|
2021-07-17 16:20:44 +00:00
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async fn verify_person(
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2021-10-18 21:36:44 +00:00
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person_id: &ObjectId<ApubPerson>,
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2023-03-21 15:03:05 +00:00
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context: &Data<LemmyContext>,
|
2021-07-17 16:20:44 +00:00
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) -> Result<(), LemmyError> {
|
2023-03-21 15:03:05 +00:00
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let person = person_id.dereference(context).await?;
|
2021-07-17 16:20:44 +00:00
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if person.banned {
|
2023-07-10 14:50:07 +00:00
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return Err(anyhow!("Person {} is banned", person_id))
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|
|
.with_lemmy_type(LemmyErrorType::CouldntUpdateComment);
|
2021-07-17 16:20:44 +00:00
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}
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Ok(())
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}
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|
2021-07-27 22:18:50 +00:00
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/// Fetches the person and community to verify their type, then checks if person is banned from site
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/// or community.
|
2021-12-06 14:54:47 +00:00
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#[tracing::instrument(skip_all)]
|
2021-07-31 14:57:37 +00:00
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pub(crate) async fn verify_person_in_community(
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2021-10-18 21:36:44 +00:00
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person_id: &ObjectId<ApubPerson>,
|
2021-10-28 11:46:48 +00:00
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community: &ApubCommunity,
|
2023-03-21 15:03:05 +00:00
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context: &Data<LemmyContext>,
|
2021-07-27 22:18:50 +00:00
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) -> Result<(), LemmyError> {
|
2023-03-21 15:03:05 +00:00
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let person = person_id.dereference(context).await?;
|
2021-10-28 11:46:48 +00:00
|
|
|
if person.banned {
|
2023-07-10 14:50:07 +00:00
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|
return Err(LemmyErrorType::PersonIsBannedFromSite)?;
|
2021-10-28 11:46:48 +00:00
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|
}
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let person_id = person.id;
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|
let community_id = community.id;
|
2023-07-11 13:09:59 +00:00
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|
let is_banned = CommunityPersonBanView::get(&mut context.pool(), person_id, community_id)
|
2022-11-09 10:05:00 +00:00
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|
|
.await
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|
|
|
.is_ok();
|
|
|
|
if is_banned {
|
2023-07-10 14:50:07 +00:00
|
|
|
return Err(LemmyErrorType::PersonIsBannedFromCommunity)?;
|
2021-10-28 11:46:48 +00:00
|
|
|
}
|
2021-07-17 16:20:44 +00:00
|
|
|
|
|
|
|
Ok(())
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|
|
|
}
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|
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|
|
2022-10-10 15:20:36 +00:00
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/// Verify that mod action in community was performed by a moderator.
|
2022-04-04 14:46:49 +00:00
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///
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/// * `mod_id` - Activitypub ID of the mod or admin who performed the action
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/// * `object_id` - Activitypub ID of the actor or object that is being moderated
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|
/// * `community` - The community inside which moderation is happening
|
2021-12-06 14:54:47 +00:00
|
|
|
#[tracing::instrument(skip_all)]
|
2021-07-27 22:18:50 +00:00
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|
pub(crate) async fn verify_mod_action(
|
2022-04-04 14:46:49 +00:00
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mod_id: &ObjectId<ApubPerson>,
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object_id: &Url,
|
2022-10-10 15:20:36 +00:00
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community_id: CommunityId,
|
2023-03-21 15:03:05 +00:00
|
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context: &Data<LemmyContext>,
|
2021-07-17 16:20:44 +00:00
|
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|
) -> Result<(), LemmyError> {
|
2023-03-21 15:03:05 +00:00
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|
let mod_ = mod_id.dereference(context).await?;
|
2022-04-04 14:46:49 +00:00
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|
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|
2022-11-09 10:05:00 +00:00
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|
let is_mod_or_admin =
|
2023-07-11 13:09:59 +00:00
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|
CommunityView::is_mod_or_admin(&mut context.pool(), mod_.id, community_id).await?;
|
2022-10-10 15:20:36 +00:00
|
|
|
if is_mod_or_admin {
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|
|
|
return Ok(());
|
|
|
|
}
|
2022-04-04 14:46:49 +00:00
|
|
|
|
2022-10-10 15:20:36 +00:00
|
|
|
// mod action comes from the same instance as the moderated object, so it was presumably done
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|
|
|
// by an instance admin.
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|
|
|
// TODO: federate instance admin status and check it here
|
|
|
|
if mod_id.inner().domain() == object_id.domain() {
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|
|
|
return Ok(());
|
2021-07-17 16:20:44 +00:00
|
|
|
}
|
2022-10-10 15:20:36 +00:00
|
|
|
|
2023-07-10 14:50:07 +00:00
|
|
|
Err(LemmyErrorType::NotAModerator)?
|
2021-07-17 16:20:44 +00:00
|
|
|
}
|
|
|
|
|
2021-11-06 17:44:34 +00:00
|
|
|
pub(crate) fn verify_is_public(to: &[Url], cc: &[Url]) -> Result<(), LemmyError> {
|
2021-11-16 00:58:15 +00:00
|
|
|
if ![to, cc].iter().any(|set| set.contains(&public())) {
|
2023-08-03 09:07:35 +00:00
|
|
|
Err(LemmyErrorType::ObjectIsNotPublic)?;
|
2021-10-21 17:25:35 +00:00
|
|
|
}
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
|
2023-02-18 14:50:28 +00:00
|
|
|
pub(crate) fn verify_community_matches<T>(
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|
|
|
a: &ObjectId<ApubCommunity>,
|
|
|
|
b: T,
|
|
|
|
) -> Result<(), LemmyError>
|
|
|
|
where
|
|
|
|
T: Into<ObjectId<ApubCommunity>>,
|
|
|
|
{
|
|
|
|
let b: ObjectId<ApubCommunity> = b.into();
|
|
|
|
if a != &b {
|
2023-08-03 09:07:35 +00:00
|
|
|
Err(LemmyErrorType::InvalidCommunity)?;
|
2022-12-01 20:52:49 +00:00
|
|
|
}
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
|
2021-10-14 16:33:19 +00:00
|
|
|
pub(crate) fn check_community_deleted_or_removed(community: &Community) -> Result<(), LemmyError> {
|
|
|
|
if community.deleted || community.removed {
|
2023-07-10 14:50:07 +00:00
|
|
|
Err(LemmyErrorType::CannotCreatePostOrCommentInDeletedOrRemovedCommunity)?
|
2021-10-14 16:33:19 +00:00
|
|
|
} else {
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-07-27 22:18:50 +00:00
|
|
|
/// Generate a unique ID for an activity, in the format:
|
|
|
|
/// `http(s)://example.com/receive/create/202daf0a-1489-45df-8d2e-c8a3173fed36`
|
2021-09-22 15:57:09 +00:00
|
|
|
fn generate_activity_id<T>(kind: T, protocol_and_hostname: &str) -> Result<Url, ParseError>
|
2021-07-27 22:18:50 +00:00
|
|
|
where
|
|
|
|
T: ToString,
|
|
|
|
{
|
|
|
|
let id = format!(
|
|
|
|
"{}/activities/{}/{}",
|
2021-09-22 15:57:09 +00:00
|
|
|
protocol_and_hostname,
|
2021-07-27 22:18:50 +00:00
|
|
|
kind.to_string().to_lowercase(),
|
|
|
|
Uuid::new_v4()
|
|
|
|
);
|
|
|
|
Url::parse(&id)
|
|
|
|
}
|
2021-10-28 15:25:26 +00:00
|
|
|
|
2021-12-06 14:54:47 +00:00
|
|
|
#[tracing::instrument(skip_all)]
|
2022-06-08 15:45:39 +00:00
|
|
|
async fn send_lemmy_activity<Activity, ActorT>(
|
2023-03-21 15:03:05 +00:00
|
|
|
data: &Data<LemmyContext>,
|
2022-06-08 15:45:39 +00:00
|
|
|
activity: Activity,
|
|
|
|
actor: &ActorT,
|
2023-07-13 14:12:01 +00:00
|
|
|
mut inbox: Vec<Url>,
|
2021-10-28 15:25:26 +00:00
|
|
|
sensitive: bool,
|
2022-06-08 15:45:39 +00:00
|
|
|
) -> Result<(), LemmyError>
|
|
|
|
where
|
2023-03-21 15:03:05 +00:00
|
|
|
Activity: ActivityHandler + Serialize + Send + Sync + Clone,
|
|
|
|
ActorT: Actor,
|
2022-06-08 15:45:39 +00:00
|
|
|
Activity: ActivityHandler<Error = LemmyError>,
|
|
|
|
{
|
2023-07-13 14:12:01 +00:00
|
|
|
static CACHE: Lazy<Cache<(), Arc<Vec<String>>>> = Lazy::new(|| {
|
|
|
|
Cache::builder()
|
|
|
|
.max_capacity(1)
|
|
|
|
.time_to_live(DEAD_INSTANCE_LIST_CACHE_DURATION)
|
|
|
|
.build()
|
|
|
|
});
|
|
|
|
let dead_instances = CACHE
|
|
|
|
.try_get_with((), async {
|
|
|
|
Ok::<_, diesel::result::Error>(Arc::new(Instance::dead_instances(&mut data.pool()).await?))
|
|
|
|
})
|
|
|
|
.await?;
|
|
|
|
|
|
|
|
inbox.retain(|i| {
|
|
|
|
let domain = i.domain().expect("has domain").to_string();
|
|
|
|
!dead_instances.contains(&domain)
|
|
|
|
});
|
2022-06-08 15:45:39 +00:00
|
|
|
info!("Sending activity {}", activity.id().to_string());
|
2022-06-02 14:33:41 +00:00
|
|
|
let activity = WithContext::new(activity, CONTEXT.deref().clone());
|
2021-10-28 15:25:26 +00:00
|
|
|
|
2023-07-14 15:17:06 +00:00
|
|
|
let form = SentActivityForm {
|
|
|
|
ap_id: activity.id().clone().into(),
|
|
|
|
data: serde_json::to_value(activity.clone())?,
|
|
|
|
sensitive,
|
|
|
|
};
|
|
|
|
SentActivity::create(&mut data.pool(), form).await?;
|
2023-03-21 15:03:05 +00:00
|
|
|
send_activity(activity, actor, inbox, data).await?;
|
2022-06-02 14:33:41 +00:00
|
|
|
|
|
|
|
Ok(())
|
2021-10-28 15:25:26 +00:00
|
|
|
}
|
2023-07-19 13:49:41 +00:00
|
|
|
|
|
|
|
pub async fn handle_outgoing_activities(context: Data<LemmyContext>) -> LemmyResult<()> {
|
|
|
|
while let Some(data) = ActivityChannel::retrieve_activity().await {
|
|
|
|
match_outgoing_activities(data, &context.reset_request_count()).await?
|
|
|
|
}
|
|
|
|
Ok(())
|
|
|
|
}
|
|
|
|
|
|
|
|
pub async fn match_outgoing_activities(
|
|
|
|
data: SendActivityData,
|
|
|
|
context: &Data<LemmyContext>,
|
|
|
|
) -> LemmyResult<()> {
|
2023-07-28 14:39:38 +00:00
|
|
|
let context = context.reset_request_count();
|
|
|
|
let fed_task = async {
|
2023-08-01 13:53:36 +00:00
|
|
|
use SendActivityData::*;
|
2023-07-28 14:39:38 +00:00
|
|
|
match data {
|
2023-08-02 16:52:41 +00:00
|
|
|
CreatePost(post) => {
|
2023-07-28 14:39:38 +00:00
|
|
|
let creator_id = post.creator_id;
|
|
|
|
CreateOrUpdatePage::send(post, creator_id, CreateOrUpdateType::Create, context).await
|
|
|
|
}
|
2023-08-02 16:52:41 +00:00
|
|
|
UpdatePost(post) => {
|
|
|
|
let creator_id = post.creator_id;
|
|
|
|
CreateOrUpdatePage::send(post, creator_id, CreateOrUpdateType::Update, context).await
|
|
|
|
}
|
|
|
|
DeletePost(post, person, data) => {
|
|
|
|
send_apub_delete_in_community_new(
|
|
|
|
person,
|
|
|
|
post.community_id,
|
|
|
|
DeletableObjects::Post(post.into()),
|
|
|
|
None,
|
|
|
|
data.deleted,
|
|
|
|
context,
|
|
|
|
)
|
|
|
|
.await
|
|
|
|
}
|
|
|
|
RemovePost(post, person, data) => {
|
|
|
|
send_apub_delete_in_community_new(
|
|
|
|
person,
|
|
|
|
post.community_id,
|
|
|
|
DeletableObjects::Post(post.into()),
|
|
|
|
data.reason.or_else(|| Some(String::new())),
|
|
|
|
data.removed,
|
|
|
|
context,
|
|
|
|
)
|
|
|
|
.await
|
|
|
|
}
|
|
|
|
LockPost(post, actor, locked) => send_lock_post(post, actor, locked, context).await,
|
|
|
|
FeaturePost(post, actor, featured) => send_feature_post(post, actor, featured, context).await,
|
|
|
|
CreateComment(comment) => {
|
2023-07-28 14:39:38 +00:00
|
|
|
let creator_id = comment.creator_id;
|
|
|
|
CreateOrUpdateNote::send(comment, creator_id, CreateOrUpdateType::Create, context).await
|
|
|
|
}
|
2023-08-02 16:52:41 +00:00
|
|
|
UpdateComment(comment) => {
|
|
|
|
let creator_id = comment.creator_id;
|
|
|
|
CreateOrUpdateNote::send(comment, creator_id, CreateOrUpdateType::Update, context).await
|
|
|
|
}
|
2023-08-01 13:53:36 +00:00
|
|
|
DeleteComment(comment, actor, community) => {
|
|
|
|
let is_deleted = comment.deleted;
|
|
|
|
let deletable = DeletableObjects::Comment(comment.into());
|
|
|
|
send_apub_delete_in_community(actor, community, deletable, None, is_deleted, &context).await
|
|
|
|
}
|
|
|
|
RemoveComment(comment, actor, community, reason) => {
|
|
|
|
let is_removed = comment.removed;
|
|
|
|
let deletable = DeletableObjects::Comment(comment.into());
|
|
|
|
send_apub_delete_in_community(actor, community, deletable, reason, is_removed, &context)
|
|
|
|
.await
|
|
|
|
}
|
|
|
|
LikePostOrComment(object_id, person, community, score) => {
|
|
|
|
send_like_activity(object_id, person, community, score, context).await
|
|
|
|
}
|
2023-08-02 16:52:41 +00:00
|
|
|
FollowCommunity(community, person, follow) => {
|
2023-08-02 09:32:16 +00:00
|
|
|
send_follow_community(community, person, follow, &context).await
|
|
|
|
}
|
2023-08-02 16:52:41 +00:00
|
|
|
UpdateCommunity(actor, community) => send_update_community(community, actor, context).await,
|
|
|
|
DeleteCommunity(actor, community, removed) => {
|
|
|
|
let deletable = DeletableObjects::Community(community.clone().into());
|
|
|
|
send_apub_delete_in_community(actor, community, deletable, None, removed, &context).await
|
|
|
|
}
|
|
|
|
RemoveCommunity(actor, community, reason, removed) => {
|
|
|
|
let deletable = DeletableObjects::Community(community.clone().into());
|
|
|
|
send_apub_delete_in_community(
|
|
|
|
actor,
|
|
|
|
community,
|
|
|
|
deletable,
|
|
|
|
reason.clone().or_else(|| Some(String::new())),
|
|
|
|
removed,
|
|
|
|
&context,
|
|
|
|
)
|
|
|
|
.await
|
|
|
|
}
|
|
|
|
AddModToCommunity(actor, community_id, updated_mod_id, added) => {
|
|
|
|
send_add_mod_to_community(actor, community_id, updated_mod_id, added, context).await
|
|
|
|
}
|
|
|
|
BanFromCommunity(mod_, community_id, target, data) => {
|
|
|
|
send_ban_from_community(mod_, community_id, target, data, context).await
|
|
|
|
}
|
|
|
|
BanFromSite(mod_, target, data) => send_ban_from_site(mod_, target, data, context).await,
|
|
|
|
CreatePrivateMessage(pm) => {
|
|
|
|
send_create_or_update_pm(pm, CreateOrUpdateType::Create, context).await
|
|
|
|
}
|
|
|
|
UpdatePrivateMessage(pm) => {
|
|
|
|
send_create_or_update_pm(pm, CreateOrUpdateType::Update, context).await
|
|
|
|
}
|
|
|
|
DeletePrivateMessage(person, pm, deleted) => {
|
|
|
|
send_apub_delete_private_message(&person.into(), pm, deleted, context).await
|
|
|
|
}
|
|
|
|
DeleteUser(person) => delete_user(person, context).await,
|
|
|
|
CreateReport(url, actor, community, reason) => {
|
|
|
|
Report::send(ObjectId::from(url), actor, community, reason, context).await
|
|
|
|
}
|
2023-07-19 13:49:41 +00:00
|
|
|
}
|
|
|
|
};
|
|
|
|
if *SYNCHRONOUS_FEDERATION {
|
|
|
|
fed_task.await?;
|
|
|
|
} else {
|
|
|
|
spawn_try_task(fed_task);
|
|
|
|
}
|
|
|
|
Ok(())
|
|
|
|
}
|