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Fix handling of apub downvote (fixes #4545)

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This commit is contained in:
Felix Ableitner 2024-03-18 12:52:42 +01:00
parent 0f77951e05
commit 6192dd31e8
1 changed files with 18 additions and 13 deletions
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31
crates/apub/src/activities/voting/vote.rs
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@ -2,7 +2,7 @@ use crate::{
activities::{
generate_activity_id,
verify_person_in_community,
voting::{vote_comment, vote_post},
voting::{undo_vote_comment, undo_vote_post, vote_comment, vote_post},
},
insert_received_activity,
objects::{community::ApubCommunity, person::ApubPerson},
@ -58,15 +58,7 @@ impl ActivityHandler for Vote {
async fn verify(&self, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
let community = self.community(context).await?;
verify_person_in_community(&self.actor, &community, context).await?;
let enable_downvotes = LocalSite::read(&mut context.pool())
.await
.map(|l| l.enable_downvotes)
.unwrap_or(true);
if self.kind == VoteType::Dislike && !enable_downvotes {
Err(anyhow!("Downvotes disabled").into())
} else {
Ok(())
}
Ok(())
}
#[tracing::instrument(skip_all)]
@ -77,9 +69,22 @@ impl ActivityHandler for Vote {
check_bot_account(&actor.0)?;
match object {
PostOrComment::Post(p) => vote_post(&self.kind, actor, &p, context).await,
PostOrComment::Comment(c) => vote_comment(&self.kind, actor, &c, context).await,
let enable_downvotes = LocalSite::read(&mut context.pool())
.await
.map(|l| l.enable_downvotes)
.unwrap_or(true);
if self.kind == VoteType::Dislike && !enable_downvotes {
// If this is a downvote but downvotes are ignored, only undo any existing vote
match object {
PostOrComment::Post(p) => undo_vote_post(actor, &p, context).await,
PostOrComment::Comment(c) => undo_vote_comment(actor, &c, context).await,
}
} else {
// Otherwise apply the vote normally
match object {
PostOrComment::Post(p) => vote_post(&self.kind, actor, &p, context).await,
PostOrComment::Comment(c) => vote_comment(&self.kind, actor, &c, context).await,
}
}
}
}