use crate::{
activities::{
- community::announce::AnnouncableActivities,
+ community::{announce::GetCommunity, send_activity_in_community},
generate_activity_id,
- verify_activity,
verify_person_in_community,
voting::{vote_comment, vote_post},
},
- activity_queue::send_to_community_new,
- extensions::context::lemmy_context,
- fetcher::{
- objects::get_or_fetch_and_insert_post_or_comment,
- person::get_or_fetch_and_upsert_person,
- },
+ activity_lists::AnnouncableActivities,
+ local_instance,
+ objects::{community::ApubCommunity, person::ApubPerson},
+ protocol::activities::voting::vote::{Vote, VoteType},
ActorType,
PostOrComment,
};
-use activitystreams::{base::AnyBase, primitives::OneOrMany, unparsed::Unparsed};
+use activitypub_federation::{core::object_id::ObjectId, data::Data, traits::ActivityHandler};
use anyhow::anyhow;
-use lemmy_api_common::blocking;
-use lemmy_apub_lib::{values::PublicUrl, ActivityFields, ActivityHandler};
-use lemmy_db_queries::Crud;
use lemmy_db_schema::{
- source::{community::Community, person::Person},
- CommunityId,
+ newtypes::CommunityId,
+ source::{community::Community, local_site::LocalSite, post::Post},
+ traits::Crud,
};
-use lemmy_utils::LemmyError;
+use lemmy_utils::error::LemmyError;
use lemmy_websocket::LemmyContext;
-use serde::{Deserialize, Serialize};
-use std::{convert::TryFrom, ops::Deref};
-use strum_macros::ToString;
use url::Url;
-#[derive(Clone, Debug, ToString, Deserialize, Serialize)]
-pub enum VoteType {
- Like,
- Dislike,
-}
-
-impl TryFrom<i16> for VoteType {
- type Error = LemmyError;
-
- fn try_from(value: i16) -> Result<Self, Self::Error> {
- match value {
- 1 => Ok(VoteType::Like),
- -1 => Ok(VoteType::Dislike),
- _ => Err(anyhow!("invalid vote value").into()),
- }
- }
-}
-
-impl From<&VoteType> for i16 {
- fn from(value: &VoteType) -> i16 {
- match value {
- VoteType::Like => 1,
- VoteType::Dislike => -1,
- }
- }
-}
-
-#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
-#[serde(rename_all = "camelCase")]
-pub struct Vote {
- actor: Url,
- to: [PublicUrl; 1],
- pub(in crate::activities::voting) object: Url,
- cc: [Url; 1],
- #[serde(rename = "type")]
- pub(in crate::activities::voting) kind: VoteType,
- id: Url,
- #[serde(rename = "@context")]
- context: OneOrMany<AnyBase>,
- #[serde(flatten)]
- unparsed: Unparsed,
-}
-
+/// Vote has as:Public value in cc field, unlike other activities. This indicates to other software
+/// (like GNU social, or presumably Mastodon), that the like actor should not be disclosed.
impl Vote {
pub(in crate::activities::voting) fn new(
object: &PostOrComment,
- actor: &Person,
- community: &Community,
+ actor: &ApubPerson,
kind: VoteType,
+ context: &LemmyContext,
) -> Result<Vote, LemmyError> {
Ok(Vote {
- actor: actor.actor_id(),
- to: [PublicUrl::Public],
- object: object.ap_id(),
- cc: [community.actor_id()],
+ actor: ObjectId::new(actor.actor_id()),
+ object: ObjectId::new(object.ap_id()),
kind: kind.clone(),
- id: generate_activity_id(kind)?,
- context: lemmy_context(),
- unparsed: Default::default(),
+ id: generate_activity_id(kind, &context.settings().get_protocol_and_hostname())?,
})
}
+ #[tracing::instrument(skip_all)]
pub async fn send(
object: &PostOrComment,
- actor: &Person,
+ actor: &ApubPerson,
community_id: CommunityId,
kind: VoteType,
context: &LemmyContext,
) -> Result<(), LemmyError> {
- let community = blocking(context.pool(), move |conn| {
- Community::read(conn, community_id)
- })
- .await??;
- let vote = Vote::new(object, actor, &community, kind)?;
- let vote_id = vote.id.clone();
+ let community = Community::read(context.pool(), community_id).await?.into();
+ let vote = Vote::new(object, actor, kind, context)?;
let activity = AnnouncableActivities::Vote(vote);
- send_to_community_new(activity, &vote_id, actor, &community, vec![], context).await
+ send_activity_in_community(activity, actor, &community, vec![], false, context).await
}
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for Vote {
+ 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)?;
- verify_person_in_community(&self.actor, &self.cc[0], context, request_counter).await?;
+ let community = self.get_community(context, request_counter).await?;
+ verify_person_in_community(&self.actor, &community, context, request_counter).await?;
+ let enable_downvotes = LocalSite::read(context.pool())
+ .await
+ .map(|l| l.enable_downvotes)
+ .unwrap_or(true);
+ if self.kind == VoteType::Dislike && !enable_downvotes {
+ return Err(anyhow!("Downvotes disabled").into());
+ }
Ok(())
}
+ #[tracing::instrument(skip_all)]
async fn receive(
self,
- context: &LemmyContext,
+ context: &Data<LemmyContext>,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
- let actor = get_or_fetch_and_upsert_person(&self.actor, context, request_counter).await?;
- let object =
- get_or_fetch_and_insert_post_or_comment(&self.object, context, request_counter).await?;
+ let actor = self
+ .actor
+ .dereference(context, local_instance(context).await, request_counter)
+ .await?;
+ let object = self
+ .object
+ .dereference(context, local_instance(context).await, request_counter)
+ .await?;
match object {
- PostOrComment::Post(p) => vote_post(&self.kind, actor, p.deref(), context).await,
- PostOrComment::Comment(c) => vote_comment(&self.kind, actor, c.deref(), context).await,
+ PostOrComment::Post(p) => vote_post(&self.kind, actor, &p, context).await,
+ PostOrComment::Comment(c) => vote_comment(&self.kind, actor, &c, context).await,
}
}
}
+
+#[async_trait::async_trait(?Send)]
+impl GetCommunity for Vote {
+ #[tracing::instrument(skip_all)]
+ async fn get_community(
+ &self,
+ context: &LemmyContext,
+ request_counter: &mut i32,
+ ) -> Result<ApubCommunity, LemmyError> {
+ let object = self
+ .object
+ .dereference(context, local_instance(context).await, request_counter)
+ .await?;
+ let cid = match object {
+ PostOrComment::Post(p) => p.community_id,
+ PostOrComment::Comment(c) => Post::read(context.pool(), c.post_id).await?.community_id,
+ };
+ let community = Community::read(context.pool(), cid).await?;
+ Ok(community.into())
+ }
+}