use crate::{
activities::{
- community::send_websocket_message,
- verify_activity,
+ community::{announce::GetCommunity, send_activity_in_community},
+ generate_activity_id,
+ verify_is_public,
verify_mod_action,
verify_person_in_community,
},
- objects::FromApubToForm,
- GroupExt,
+ activity_lists::AnnouncableActivities,
+ check_apub_id_valid,
+ fetch_local_site_data,
+ local_instance,
+ objects::{community::ApubCommunity, person::ApubPerson},
+ protocol::activities::community::update::UpdateCommunity,
+ ActorType,
};
-use activitystreams::activity::kind::UpdateType;
-use lemmy_api_common::blocking;
-use lemmy_apub_lib::{ActivityCommonFields, ActivityHandler, PublicUrl};
-use lemmy_db_queries::{ApubObject, Crud};
-use lemmy_db_schema::source::community::{Community, CommunityForm};
-use lemmy_utils::LemmyError;
-use lemmy_websocket::{LemmyContext, UserOperationCrud};
+use activitypub_federation::{
+ core::object_id::ObjectId,
+ data::Data,
+ traits::{ActivityHandler, ApubObject},
+};
+use activitystreams_kinds::{activity::UpdateType, public};
+use lemmy_api_common::utils::blocking;
+use lemmy_db_schema::{source::community::Community, traits::Crud};
+use lemmy_utils::error::LemmyError;
+use lemmy_websocket::{send::send_community_ws_message, LemmyContext, UserOperationCrud};
use url::Url;
-/// This activity is received from a remote community mod, and updates the description or other
-/// fields of a local community.
-#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
-#[serde(rename_all = "camelCase")]
-pub struct UpdateCommunity {
- to: PublicUrl,
- object: GroupExt,
- cc: [Url; 1],
- #[serde(rename = "type")]
- kind: UpdateType,
- #[serde(flatten)]
- common: ActivityCommonFields,
+impl UpdateCommunity {
+ #[tracing::instrument(skip_all)]
+ pub async fn send(
+ community: ApubCommunity,
+ actor: &ApubPerson,
+ context: &LemmyContext,
+ ) -> Result<(), LemmyError> {
+ let id = generate_activity_id(
+ UpdateType::Update,
+ &context.settings().get_protocol_and_hostname(),
+ )?;
+ let update = UpdateCommunity {
+ actor: ObjectId::new(actor.actor_id()),
+ to: vec![public()],
+ object: Box::new(community.clone().into_apub(context).await?),
+ cc: vec![community.actor_id()],
+ kind: UpdateType::Update,
+ id: id.clone(),
+ unparsed: Default::default(),
+ };
+
+ let activity = AnnouncableActivities::UpdateCommunity(update);
+ send_activity_in_community(activity, actor, &community, vec![], context).await
+ }
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for UpdateCommunity {
+ type DataType = LemmyContext;
+ type Error = LemmyError;
+
+ fn id(&self) -> &Url {
+ &self.id
+ }
+
+ fn actor(&self) -> &Url {
+ self.actor.inner()
+ }
+
+ #[tracing::instrument(skip_all)]
async fn verify(
&self,
- context: &LemmyContext,
+ context: &Data<LemmyContext>,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
- verify_activity(self.common())?;
- verify_person_in_community(&self.common.actor, &self.cc[0], context, request_counter).await?;
- verify_mod_action(&self.common.actor, self.cc[0].clone(), context).await?;
+ let local_site_data = blocking(context.pool(), fetch_local_site_data).await??;
+ check_apub_id_valid(self.id(), &local_site_data, context.settings())
+ .map_err(LemmyError::from_message)?;
+ verify_is_public(&self.to, &self.cc)?;
+ let community = self.get_community(context, request_counter).await?;
+ verify_person_in_community(&self.actor, &community, context, request_counter).await?;
+ verify_mod_action(
+ &self.actor,
+ self.object.id.inner(),
+ community.id,
+ context,
+ request_counter,
+ )
+ .await?;
+ ApubCommunity::verify(
+ &self.object,
+ &community.actor_id.clone().into(),
+ context,
+ request_counter,
+ )
+ .await?;
Ok(())
}
+ #[tracing::instrument(skip_all)]
async fn receive(
- &self,
- context: &LemmyContext,
+ self,
+ context: &Data<LemmyContext>,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
- let cc = self.cc[0].clone().into();
- let community = blocking(context.pool(), move |conn| {
- Community::read_from_apub_id(conn, &cc)
- })
- .await??;
+ let community = self.get_community(context, request_counter).await?;
+
+ let community_update_form = self.object.into_update_form();
- let updated_community = CommunityForm::from_apub(
- &self.object,
- context,
- community.actor_id.clone().into(),
- request_counter,
- false,
- )
- .await?;
- let cf = CommunityForm {
- name: updated_community.name,
- title: updated_community.title,
- description: updated_community.description,
- nsfw: updated_community.nsfw,
- // TODO: icon and banner would be hosted on the other instance, ideally we would copy it to ours
- icon: updated_community.icon,
- banner: updated_community.banner,
- ..CommunityForm::default()
- };
let updated_community = blocking(context.pool(), move |conn| {
- Community::update(conn, community.id, &cf)
+ Community::update(conn, community.id, &community_update_form)
})
.await??;
- send_websocket_message(
+ send_community_ws_message(
updated_community.id,
UserOperationCrud::EditCommunity,
+ None,
+ None,
context,
)
- .await
+ .await?;
+ Ok(())
}
+}
- fn common(&self) -> &ActivityCommonFields {
- &self.common
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for UpdateCommunity {
+ #[tracing::instrument(skip_all)]
+ async fn get_community(
+ &self,
+ context: &LemmyContext,
+ request_counter: &mut i32,
+ ) -> Result<ApubCommunity, LemmyError> {
+ let cid = ObjectId::new(self.object.id.clone());
+ cid
+ .dereference(context, local_instance(context), request_counter)
+ .await
}
}