use crate::{
- insert_activity,
objects::{community::ApubCommunity, person::ApubPerson},
+ protocol::activities::{create_or_update::page::CreateOrUpdatePage, CreateOrUpdateType},
CONTEXT,
};
use activitypub_federation::{
traits::{ActivityHandler, Actor},
};
use anyhow::anyhow;
-use lemmy_api_common::context::LemmyContext;
-use lemmy_db_schema::{newtypes::CommunityId, source::community::Community};
+use lemmy_api_common::{
+ context::LemmyContext,
+ send_activity::{ActivityChannel, SendActivityData},
+};
+use lemmy_db_schema::{
+ newtypes::CommunityId,
+ source::{
+ activity::{SentActivity, SentActivityForm},
+ community::Community,
+ instance::Instance,
+ },
+};
use lemmy_db_views_actor::structs::{CommunityPersonBanView, CommunityView};
-use lemmy_utils::error::LemmyError;
+use lemmy_utils::{
+ error::{LemmyError, LemmyErrorExt, LemmyErrorType, LemmyResult},
+ spawn_try_task,
+ SYNCHRONOUS_FEDERATION,
+};
+use moka::future::Cache;
+use once_cell::sync::Lazy;
use serde::Serialize;
-use std::ops::Deref;
+use std::{ops::Deref, sync::Arc, time::Duration};
use tracing::info;
use url::{ParseError, Url};
use uuid::Uuid;
pub mod unfederated;
pub mod voting;
+/// Amount of time that the list of dead instances is cached. This is only updated once a day,
+/// so there is no harm in caching it for a longer time.
+pub static DEAD_INSTANCE_LIST_CACHE_DURATION: Duration = Duration::from_secs(30 * 60);
+
/// Checks that the specified Url actually identifies a Person (by fetching it), and that the person
/// doesn't have a site ban.
#[tracing::instrument(skip_all)]
) -> Result<(), LemmyError> {
let person = person_id.dereference(context).await?;
if person.banned {
- let err = anyhow!("Person {} is banned", person_id);
- return Err(LemmyError::from_error_message(err, "banned"));
+ return Err(anyhow!("Person {} is banned", person_id))
+ .with_lemmy_type(LemmyErrorType::CouldntUpdateComment);
}
Ok(())
}
) -> Result<(), LemmyError> {
let person = person_id.dereference(context).await?;
if person.banned {
- return Err(LemmyError::from_message("Person is banned from site"));
+ return Err(LemmyErrorType::PersonIsBannedFromSite)?;
}
let person_id = person.id;
let community_id = community.id;
- let is_banned = CommunityPersonBanView::get(context.pool(), person_id, community_id)
+ let is_banned = CommunityPersonBanView::get(&mut context.pool(), person_id, community_id)
.await
.is_ok();
if is_banned {
- return Err(LemmyError::from_message("Person is banned from community"));
+ return Err(LemmyErrorType::PersonIsBannedFromCommunity)?;
}
Ok(())
let mod_ = mod_id.dereference(context).await?;
let is_mod_or_admin =
- CommunityView::is_mod_or_admin(context.pool(), mod_.id, community_id).await?;
+ CommunityView::is_mod_or_admin(&mut context.pool(), mod_.id, community_id).await?;
if is_mod_or_admin {
return Ok(());
}
return Ok(());
}
- Err(LemmyError::from_message("Not a mod"))
+ Err(LemmyErrorType::NotAModerator)?
}
pub(crate) fn verify_is_public(to: &[Url], cc: &[Url]) -> Result<(), LemmyError> {
if ![to, cc].iter().any(|set| set.contains(&public())) {
- return Err(LemmyError::from_message("Object is not public"));
+ return Err(LemmyErrorType::ObjectIsNotPublic)?;
}
Ok(())
}
{
let b: ObjectId<ApubCommunity> = b.into();
if a != &b {
- return Err(LemmyError::from_message("Invalid community"));
+ return Err(LemmyErrorType::InvalidCommunity)?;
}
Ok(())
}
pub(crate) fn check_community_deleted_or_removed(community: &Community) -> Result<(), LemmyError> {
if community.deleted || community.removed {
- Err(LemmyError::from_message(
- "New post or comment cannot be created in deleted or removed community",
- ))
+ Err(LemmyErrorType::CannotCreatePostOrCommentInDeletedOrRemovedCommunity)?
} else {
Ok(())
}
data: &Data<LemmyContext>,
activity: Activity,
actor: &ActorT,
- inbox: Vec<Url>,
+ mut inbox: Vec<Url>,
sensitive: bool,
) -> Result<(), LemmyError>
where
ActorT: Actor,
Activity: ActivityHandler<Error = LemmyError>,
{
+ 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)
+ });
info!("Sending activity {}", activity.id().to_string());
let activity = WithContext::new(activity, CONTEXT.deref().clone());
- insert_activity(activity.id(), &activity, true, sensitive, data).await?;
+ let form = SentActivityForm {
+ ap_id: activity.id().clone().into(),
+ data: serde_json::to_value(activity.clone())?,
+ sensitive,
+ };
+ SentActivity::create(&mut data.pool(), form).await?;
send_activity(activity, actor, inbox, data).await?;
Ok(())
}
+
+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<()> {
+ let fed_task = match data {
+ SendActivityData::CreatePost(post) => {
+ let creator_id = post.creator_id;
+ CreateOrUpdatePage::send(
+ post,
+ creator_id,
+ CreateOrUpdateType::Create,
+ context.reset_request_count(),
+ )
+ }
+ };
+ if *SYNCHRONOUS_FEDERATION {
+ fed_task.await?;
+ } else {
+ spawn_try_task(fed_task);
+ }
+ Ok(())
+}
projects / lemmy.git / blobdiff