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Code Issues Projects Releases Wiki Activity

Rewrite voting (#1685)

Browse source 
* Merge like/dislike activity handlers into vote

* Rewrite vote sending code

* Remove old send_create, send_update functions
This commit is contained in:
Nutomic 2021-08-02 20:33:40 +00:00 committed by GitHub
parent 1664cb326a
commit b8d7f00d58
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 382 additions and 594 deletions
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37
crates/api/src/comment.rs
View file

@ -7,12 +7,19 @@ use lemmy_api_common::{
comment::*,
get_local_user_view_from_jwt,
};
use lemmy_apub::ApubLikeableType;
use lemmy_apub::{
activities::voting::{
undo_vote::UndoVote,
vote::{Vote, VoteType},
},
PostOrComment,
};
use lemmy_db_queries::{source::comment::Comment_, Likeable, Saveable};
use lemmy_db_schema::{source::comment::*, LocalUserId};
use lemmy_db_views::{comment_view::CommentView, local_user_view::LocalUserView};
use lemmy_utils::{ApiError, ConnectionId, LemmyError};
use lemmy_websocket::{messages::SendComment, LemmyContext, UserOperation};
use std::convert::TryInto;
#[async_trait::async_trait(?Send)]
impl Perform for MarkCommentAsRead {
@ -170,6 +177,7 @@ impl Perform for CreateCommentLike {
// Only add the like if the score isnt 0
let comment = orig_comment.comment;
let object = PostOrComment::Comment(Box::new(comment));
let do_add = like_form.score != 0 && (like_form.score == 1 || like_form.score == -1);
if do_add {
let like_form2 = like_form.clone();
@ -178,17 +186,24 @@ impl Perform for CreateCommentLike {
return Err(ApiError::err("couldnt_like_comment").into());
}
if like_form.score == 1 {
comment.send_like(&local_user_view.person, context).await?;
} else if like_form.score == -1 {
comment
.send_dislike(&local_user_view.person, context)
.await?;
}
Vote::send(
&object,
&local_user_view.person,
orig_comment.community.id,
like_form.score.try_into()?,
context,
)
.await?;
} else {
comment
.send_undo_like(&local_user_view.person, context)
.await?;
// API doesn't distinguish between Undo/Like and Undo/Dislike
UndoVote::send(
&object,
&local_user_view.person,
orig_comment.community.id,
VoteType::Like,
context,
)
.await?;
}
// Have to refetch the comment to get the current state

40
crates/api/src/post.rs
View file

@ -10,14 +10,22 @@ use lemmy_api_common::{
post::*,
};
use lemmy_apub::{
activities::{post::create_or_update::CreateOrUpdatePost, CreateOrUpdateType},
ApubLikeableType,
activities::{
post::create_or_update::CreateOrUpdatePost,
voting::{
undo_vote::UndoVote,
vote::{Vote, VoteType},
},
CreateOrUpdateType,
},
PostOrComment,
};
use lemmy_db_queries::{source::post::Post_, Crud, Likeable, Saveable};
use lemmy_db_schema::source::{moderator::*, post::*};
use lemmy_db_views::post_view::PostView;
use lemmy_utils::{ApiError, ConnectionId, LemmyError};
use lemmy_websocket::{messages::SendPost, LemmyContext, UserOperation};
use std::convert::TryInto;
#[async_trait::async_trait(?Send)]
impl Perform for CreatePostLike {
@ -53,6 +61,9 @@ impl Perform for CreatePostLike {
})
.await??;
let community_id = post.community_id;
let object = PostOrComment::Post(Box::new(post));
// Only add the like if the score isnt 0
let do_add = like_form.score != 0 && (like_form.score == 1 || like_form.score == -1);
if do_add {
@ -62,15 +73,24 @@ impl Perform for CreatePostLike {
return Err(ApiError::err("couldnt_like_post").into());
}
if like_form.score == 1 {
post.send_like(&local_user_view.person, context).await?;
} else if like_form.score == -1 {
post.send_dislike(&local_user_view.person, context).await?;
}
Vote::send(
&object,
&local_user_view.person,
community_id,
like_form.score.try_into()?,
context,
)
.await?;
} else {
post
.send_undo_like(&local_user_view.person, context)
.await?;
// API doesn't distinguish between Undo/Like and Undo/Dislike
UndoVote::send(
&object,
&local_user_view.person,
community_id,
VoteType::Like,
context,
)
.await?;
}
// Mark the post as read

23
crates/api_crud/src/comment/create.rs
View file

@ -9,10 +9,14 @@ use lemmy_api_common::{
send_local_notifs,
};
use lemmy_apub::{
activities::{comment::create_or_update::CreateOrUpdateComment, CreateOrUpdateType},
activities::{
comment::create_or_update::CreateOrUpdateComment,
voting::vote::{Vote, VoteType},
CreateOrUpdateType,
},
generate_apub_endpoint,
ApubLikeableType,
EndpointType,
PostOrComment,
};
use lemmy_db_queries::{source::comment::Comment_, Crud, Likeable};
use lemmy_db_schema::source::comment::*;
@ -42,8 +46,9 @@ impl PerformCrud for CreateComment {
// Check for a community ban
let post_id = data.post_id;
let post = get_post(post_id, context.pool()).await?;
let community_id = post.community_id;
check_community_ban(local_user_view.person.id, post.community_id, context.pool()).await?;
check_community_ban(local_user_view.person.id, community_id, context.pool()).await?;
// Check if post is locked, no new comments
if post.locked {
@ -122,9 +127,15 @@ impl PerformCrud for CreateComment {
return Err(ApiError::err("couldnt_like_comment").into());
}
updated_comment
.send_like(&local_user_view.person, context)
.await?;
let object = PostOrComment::Comment(Box::new(updated_comment));
Vote::send(
&object,
&local_user_view.person,
community_id,
VoteType::Like,
context,
)
.await?;
let person_id = local_user_view.person.id;
let mut comment_view = blocking(context.pool(), move |conn| {

20
crates/api_crud/src/post/create.rs
View file

@ -8,10 +8,14 @@ use lemmy_api_common::{
post::*,
};
use lemmy_apub::{
activities::{post::create_or_update::CreateOrUpdatePost, CreateOrUpdateType},
activities::{
post::create_or_update::CreateOrUpdatePost,
voting::vote::{Vote, VoteType},
CreateOrUpdateType,
},
generate_apub_endpoint,
ApubLikeableType,
EndpointType,
PostOrComment,
};
use lemmy_db_queries::{source::post::Post_, Crud, Likeable};
use lemmy_db_schema::source::post::*;
@ -112,9 +116,15 @@ impl PerformCrud for CreatePost {
// Mark the post as read
mark_post_as_read(person_id, post_id, context.pool()).await?;
updated_post
.send_like(&local_user_view.person, context)
.await?;
let object = PostOrComment::Post(Box::new(updated_post));
Vote::send(
&object,
&local_user_view.person,
inserted_post.community_id,
VoteType::Like,
context,
)
.await?;
// Refetch the view
let inserted_post_id = inserted_post.id;

13
crates/apub/src/activities/community/announce.rs
View file

@ -19,12 +19,7 @@ use crate::{
},
verify_activity,
verify_community,
voting::{
dislike::DislikePostOrComment,
like::LikePostOrComment,
undo_dislike::UndoDislikePostOrComment,
undo_like::UndoLikePostOrComment,
},
voting::{undo_vote::UndoVote, vote::Vote},
},
activity_queue::send_activity_new,
extensions::context::lemmy_context,
@ -46,10 +41,8 @@ use url::Url;
pub enum AnnouncableActivities {
CreateOrUpdateComment(CreateOrUpdateComment),
CreateOrUpdatePost(Box<CreateOrUpdatePost>),
LikePostOrComment(LikePostOrComment),
DislikePostOrComment(DislikePostOrComment),
UndoLikePostOrComment(UndoLikePostOrComment),
UndoDislikePostOrComment(UndoDislikePostOrComment),
Vote(Vote),
UndoVote(UndoVote),
DeletePostCommentOrCommunity(DeletePostCommentOrCommunity),
UndoDeletePostCommentOrCommunity(UndoDeletePostCommentOrCommunity),
RemovePostCommentCommunityOrMod(RemovePostCommentCommunityOrMod),

1
crates/apub/src/activities/mod.rs
View file

@ -31,7 +31,6 @@ pub mod send;
pub mod voting;
#[derive(Clone, Debug, ToString, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub enum CreateOrUpdateType {
Create,
Update,

111
crates/apub/src/activities/send/comment.rs
View file

@ -3,15 +3,12 @@ use crate::{
activity_queue::send_to_community,
extensions::context::lemmy_context,
ActorType,
ApubLikeableType,
ApubObjectType,
};
use activitystreams::{
activity::{
kind::{DeleteType, DislikeType, LikeType, RemoveType, UndoType},
kind::{DeleteType, RemoveType, UndoType},
Delete,
Dislike,
Like,
Remove,
Undo,
},
@ -26,22 +23,6 @@ use lemmy_websocket::LemmyContext;
#[async_trait::async_trait(?Send)]
impl ApubObjectType for Comment {
async fn send_create(
&self,
_creator: &Person,
_context: &LemmyContext,
) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_update(
&self,
_creator: &Person,
_context: &LemmyContext,
) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_delete(&self, creator: &Person, context: &LemmyContext) -> Result<(), LemmyError> {
let post_id = self.post_id;
let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
@ -170,93 +151,3 @@ impl ApubObjectType for Comment {
Ok(())
}
}
#[async_trait::async_trait(?Send)]
impl ApubLikeableType for Comment {
async fn send_like(&self, creator: &Person, context: &LemmyContext) -> Result<(), LemmyError> {
let post_id = self.post_id;
let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
let community_id = post.community_id;
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
let mut like = Like::new(
creator.actor_id.to_owned().into_inner(),
self.ap_id.to_owned().into_inner(),
);
like
.set_many_contexts(lemmy_context())
.set_id(generate_activity_id(LikeType::Like)?)
.set_to(public())
.set_many_ccs(vec![community.actor_id()]);
send_to_community(like, creator, &community, None, context).await?;
Ok(())
}
async fn send_dislike(&self, creator: &Person, context: &LemmyContext) -> Result<(), LemmyError> {
let post_id = self.post_id;
let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
let community_id = post.community_id;
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
let mut dislike = Dislike::new(
creator.actor_id.to_owned().into_inner(),
self.ap_id.to_owned().into_inner(),
);
dislike
.set_many_contexts(lemmy_context())
.set_id(generate_activity_id(DislikeType::Dislike)?)
.set_to(public())
.set_many_ccs(vec![community.actor_id()]);
send_to_community(dislike, creator, &community, None, context).await?;
Ok(())
}
async fn send_undo_like(
&self,
creator: &Person,
context: &LemmyContext,
) -> Result<(), LemmyError> {
let post_id = self.post_id;
let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
let community_id = post.community_id;
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
let mut like = Like::new(
creator.actor_id.to_owned().into_inner(),
self.ap_id.to_owned().into_inner(),
);
like
.set_many_contexts(lemmy_context())
.set_id(generate_activity_id(DislikeType::Dislike)?)
.set_to(public())
.set_many_ccs(vec![community.actor_id()]);
// Undo that fake activity
let mut undo = Undo::new(
creator.actor_id.to_owned().into_inner(),
like.into_any_base()?,
);
undo
.set_many_contexts(lemmy_context())
.set_id(generate_activity_id(UndoType::Undo)?)
.set_to(public())
.set_many_ccs(vec![community.actor_id()]);
send_to_community(undo, creator, &community, None, context).await?;
Ok(())
}
}

102
crates/apub/src/activities/send/post.rs
View file

@ -3,15 +3,12 @@ use crate::{
activity_queue::send_to_community,
extensions::context::lemmy_context,
ActorType,
ApubLikeableType,
ApubObjectType,
};
use activitystreams::{
activity::{
kind::{DeleteType, DislikeType, LikeType, RemoveType, UndoType},
kind::{DeleteType, RemoveType, UndoType},
Delete,
Dislike,
Like,
Remove,
Undo,
},
@ -26,22 +23,6 @@ use lemmy_websocket::LemmyContext;
#[async_trait::async_trait(?Send)]
impl ApubObjectType for Post {
async fn send_create(
&self,
_creator: &Person,
_context: &LemmyContext,
) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_update(
&self,
_creator: &Person,
_context: &LemmyContext,
) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_delete(&self, creator: &Person, context: &LemmyContext) -> Result<(), LemmyError> {
let community_id = self.community_id;
let community = blocking(context.pool(), move |conn| {
@ -156,84 +137,3 @@ impl ApubObjectType for Post {
Ok(())
}
}
#[async_trait::async_trait(?Send)]
impl ApubLikeableType for Post {
async fn send_like(&self, creator: &Person, context: &LemmyContext) -> Result<(), LemmyError> {
let community_id = self.community_id;
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
let mut like = Like::new(
creator.actor_id.to_owned().into_inner(),
self.ap_id.to_owned().into_inner(),
);
like
.set_many_contexts(lemmy_context())
.set_id(generate_activity_id(LikeType::Like)?)
.set_to(public())
.set_many_ccs(vec![community.actor_id()]);
send_to_community(like, creator, &community, None, context).await?;
Ok(())
}
async fn send_dislike(&self, creator: &Person, context: &LemmyContext) -> Result<(), LemmyError> {
let community_id = self.community_id;
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
let mut dislike = Dislike::new(
creator.actor_id.to_owned().into_inner(),
self.ap_id.to_owned().into_inner(),
);
dislike
.set_many_contexts(lemmy_context())
.set_id(generate_activity_id(DislikeType::Dislike)?)
.set_to(public())
.set_many_ccs(vec![community.actor_id()]);
send_to_community(dislike, creator, &community, None, context).await?;
Ok(())
}
async fn send_undo_like(
&self,
creator: &Person,
context: &LemmyContext,
) -> Result<(), LemmyError> {
let community_id = self.community_id;
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
let mut like = Like::new(
creator.actor_id.to_owned().into_inner(),
self.ap_id.to_owned().into_inner(),
);
like
.set_many_contexts(lemmy_context())
.set_id(generate_activity_id(LikeType::Like)?)
.set_to(public())
.set_many_ccs(vec![community.actor_id()]);
// Undo that fake activity
let mut undo = Undo::new(
creator.actor_id.to_owned().into_inner(),
like.into_any_base()?,
);
undo
.set_many_contexts(lemmy_context())
.set_id(generate_activity_id(UndoType::Undo)?)
.set_to(public())
.set_many_ccs(vec![community.actor_id()]);
send_to_community(undo, creator, &community, None, context).await?;
Ok(())
}
}

16
crates/apub/src/activities/send/private_message.rs
View file

@ -22,22 +22,6 @@ use lemmy_websocket::LemmyContext;
#[async_trait::async_trait(?Send)]
impl ApubObjectType for PrivateMessage {
async fn send_create(
&self,
_creator: &Person,
_context: &LemmyContext,
) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_update(
&self,
_creator: &Person,
_context: &LemmyContext,
) -> Result<(), LemmyError> {
unimplemented!()
}
async fn send_delete(&self, creator: &Person, context: &LemmyContext) -> Result<(), LemmyError> {
let recipient_id = self.recipient_id;
let recipient =

54
crates/apub/src/activities/voting/dislike.rs
View file

@ -1,54 +0,0 @@
use crate::activities::{
verify_activity,
verify_person_in_community,
voting::receive_like_or_dislike,
};
use activitystreams::activity::kind::DislikeType;
use lemmy_apub_lib::{values::PublicUrl, ActivityCommonFields, ActivityHandler};
use lemmy_utils::LemmyError;
use lemmy_websocket::LemmyContext;
use url::Url;
#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
#[serde(rename_all = "camelCase")]
pub struct DislikePostOrComment {
to: PublicUrl,
pub(in crate::activities) object: Url,
cc: [Url; 1],
#[serde(rename = "type")]
kind: DislikeType,
#[serde(flatten)]
common: ActivityCommonFields,
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for DislikePostOrComment {
async fn verify(
&self,
context: &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?;
Ok(())
}
async fn receive(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
receive_like_or_dislike(
-1,
&self.common.actor,
&self.object,
context,
request_counter,
)
.await
}
fn common(&self) -> &ActivityCommonFields {
&self.common
}
}

54
crates/apub/src/activities/voting/like.rs
View file

@ -1,54 +0,0 @@
use crate::activities::{
verify_activity,
verify_person_in_community,
voting::receive_like_or_dislike,
};
use activitystreams::activity::kind::LikeType;
use lemmy_apub_lib::{values::PublicUrl, ActivityCommonFields, ActivityHandler};
use lemmy_utils::LemmyError;
use lemmy_websocket::LemmyContext;
use url::Url;
#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
#[serde(rename_all = "camelCase")]
pub struct LikePostOrComment {
to: PublicUrl,
pub(in crate::activities::voting) object: Url,
cc: [Url; 1],
#[serde(rename = "type")]
kind: LikeType,
#[serde(flatten)]
common: ActivityCommonFields,
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for LikePostOrComment {
async fn verify(
&self,
context: &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?;
Ok(())
}
async fn receive(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
receive_like_or_dislike(
1,
&self.common.actor,
&self.object,
context,
request_counter,
)
.await
}
fn common(&self) -> &ActivityCommonFields {
&self.common
}
}

92
crates/apub/src/activities/voting/mod.rs
View file

@ -1,62 +1,33 @@
use crate::{
activities::{
comment::send_websocket_message as send_comment_message,
post::send_websocket_message as send_post_message,
},
fetcher::{
objects::get_or_fetch_and_insert_post_or_comment,
person::get_or_fetch_and_upsert_person,
},
PostOrComment,
use crate::activities::{
comment::send_websocket_message as send_comment_message,
post::send_websocket_message as send_post_message,
voting::vote::VoteType,
};
use lemmy_api_common::blocking;
use lemmy_db_queries::Likeable;
use lemmy_db_schema::source::{
comment::{Comment, CommentLike, CommentLikeForm},
person::Person,
post::{Post, PostLike, PostLikeForm},
};
use lemmy_utils::LemmyError;
use lemmy_websocket::{LemmyContext, UserOperation};
use std::ops::Deref;
use url::Url;
pub mod dislike;
pub mod like;
pub mod undo_dislike;
pub mod undo_like;
pub mod undo_vote;
pub mod vote;
pub(in crate::activities::voting) async fn receive_like_or_dislike(
score: i16,
actor: &Url,
object: &Url,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
match get_or_fetch_and_insert_post_or_comment(object, context, request_counter).await? {
PostOrComment::Post(p) => {
like_or_dislike_post(score, actor, p.deref(), context, request_counter).await
}
PostOrComment::Comment(c) => {
like_or_dislike_comment(score, actor, c.deref(), context, request_counter).await
}
}
}
async fn like_or_dislike_comment(
score: i16,
actor: &Url,
async fn vote_comment(
vote_type: &VoteType,
actor: Person,
comment: &Comment,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let actor = get_or_fetch_and_upsert_person(actor, context, request_counter).await?;
let comment_id = comment.id;
let like_form = CommentLikeForm {
comment_id,
post_id: comment.post_id,
person_id: actor.id,
score,
score: vote_type.into(),
};
let person_id = actor.id;
blocking(context.pool(), move |conn| {
@ -74,20 +45,17 @@ async fn like_or_dislike_comment(
.await
}
async fn like_or_dislike_post(
score: i16,
actor: &Url,
async fn vote_post(
vote_type: &VoteType,
actor: Person,
post: &Post,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let actor = get_or_fetch_and_upsert_person(actor, context, request_counter).await?;
let post_id = post.id;
let like_form = PostLikeForm {
post_id: post.id,
person_id: actor.id,
score,
score: vote_type.into(),
};
let person_id = actor.id;
blocking(context.pool(), move |conn| {
@ -99,30 +67,11 @@ async fn like_or_dislike_post(
send_post_message(post.id, UserOperation::CreatePostLike, context).await
}
pub(in crate::activities::voting) async fn receive_undo_like_or_dislike(
actor: &Url,
object: &Url,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
match get_or_fetch_and_insert_post_or_comment(object, context, request_counter).await? {
PostOrComment::Post(p) => {
undo_like_or_dislike_post(actor, p.deref(), context, request_counter).await
}
PostOrComment::Comment(c) => {
undo_like_or_dislike_comment(actor, c.deref(), context, request_counter).await
}
}
}
async fn undo_like_or_dislike_comment(
actor: &Url,
async fn undo_vote_comment(
actor: Person,
comment: &Comment,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let actor = get_or_fetch_and_upsert_person(actor, context, request_counter).await?;
let comment_id = comment.id;
let person_id = actor.id;
blocking(context.pool(), move |conn| {
@ -139,14 +88,11 @@ async fn undo_like_or_dislike_comment(
.await
}
async fn undo_like_or_dislike_post(
actor: &Url,
async fn undo_vote_post(
actor: Person,
post: &Post,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let actor = get_or_fetch_and_upsert_person(actor, context, request_counter).await?;
let post_id = post.id;
let person_id = actor.id;
blocking(context.pool(), move |conn| {

55
crates/apub/src/activities/voting/undo_dislike.rs
View file

@ -1,55 +0,0 @@
use crate::activities::{
verify_activity,
verify_person_in_community,
voting::{dislike::DislikePostOrComment, receive_undo_like_or_dislike},
};
use activitystreams::activity::kind::UndoType;
use lemmy_apub_lib::{values::PublicUrl, verify_urls_match, ActivityCommonFields, ActivityHandler};
use lemmy_utils::LemmyError;
use lemmy_websocket::LemmyContext;
use url::Url;
#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
#[serde(rename_all = "camelCase")]
pub struct UndoDislikePostOrComment {
to: PublicUrl,
object: DislikePostOrComment,
cc: [Url; 1],
#[serde(rename = "type")]
kind: UndoType,
#[serde(flatten)]
common: ActivityCommonFields,
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for UndoDislikePostOrComment {
async fn verify(
&self,
context: &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_urls_match(&self.common.actor, &self.object.common().actor)?;
self.object.verify(context, request_counter).await?;
Ok(())
}
async fn receive(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
receive_undo_like_or_dislike(
&self.common.actor,
&self.object.object,
context,
request_counter,
)
.await
}
fn common(&self) -> &ActivityCommonFields {
&self.common
}
}

55
crates/apub/src/activities/voting/undo_like.rs
View file

@ -1,55 +0,0 @@
use crate::activities::{
verify_activity,
verify_person_in_community,
voting::{like::LikePostOrComment, receive_undo_like_or_dislike},
};
use activitystreams::activity::kind::UndoType;
use lemmy_apub_lib::{values::PublicUrl, verify_urls_match, ActivityCommonFields, ActivityHandler};
use lemmy_utils::LemmyError;
use lemmy_websocket::LemmyContext;
use url::Url;
#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
#[serde(rename_all = "camelCase")]
pub struct UndoLikePostOrComment {
to: PublicUrl,
object: LikePostOrComment,
cc: [Url; 1],
#[serde(rename = "type")]
kind: UndoType,
#[serde(flatten)]
common: ActivityCommonFields,
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for UndoLikePostOrComment {
async fn verify(
&self,
context: &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_urls_match(&self.common.actor, &self.object.common().actor)?;
self.object.verify(context, request_counter).await?;
Ok(())
}
async fn receive(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
receive_undo_like_or_dislike(
&self.common.actor,
&self.object.object,
context,
request_counter,
)
.await
}
fn common(&self) -> &ActivityCommonFields {
&self.common
}
}

122
crates/apub/src/activities/voting/undo_vote.rs Normal file
View file

@ -0,0 +1,122 @@
use crate::{
activities::{
community::announce::AnnouncableActivities,
generate_activity_id,
verify_activity,
verify_person_in_community,
voting::{
undo_vote_comment,
undo_vote_post,
vote::{Vote, VoteType},
},
},
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,
},
ActorType,
PostOrComment,
};
use activitystreams::activity::kind::UndoType;
use lemmy_api_common::blocking;
use lemmy_apub_lib::{values::PublicUrl, verify_urls_match, ActivityCommonFields, ActivityHandler};
use lemmy_db_queries::Crud;
use lemmy_db_schema::{
source::{community::Community, person::Person},
CommunityId,
};
use lemmy_utils::LemmyError;
use lemmy_websocket::LemmyContext;
use std::ops::Deref;
use url::Url;
#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
#[serde(rename_all = "camelCase")]
pub struct UndoVote {
to: PublicUrl,
object: Vote,
cc: [Url; 1],
#[serde(rename = "type")]
kind: UndoType,
#[serde(flatten)]
common: ActivityCommonFields,
}
impl UndoVote {
pub async fn send(
object: &PostOrComment,
actor: &Person,
community_id: CommunityId,
kind: VoteType,
context: &LemmyContext,
) -> Result<(), LemmyError> {
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
let id = generate_activity_id(UndoType::Undo)?;
let undo_vote = UndoVote {
to: PublicUrl::Public,
object: Vote {
to: PublicUrl::Public,
object: object.ap_id(),
cc: [community.actor_id()],
kind: kind.clone(),
common: ActivityCommonFields {
context: lemmy_context(),
id: generate_activity_id(kind)?,
actor: actor.actor_id(),
unparsed: Default::default(),
},
},
cc: [community.actor_id()],
kind: UndoType::Undo,
common: ActivityCommonFields {
context: lemmy_context(),
id: id.clone(),
actor: actor.actor_id(),
unparsed: Default::default(),
},
};
let activity = AnnouncableActivities::UndoVote(undo_vote);
send_to_community_new(activity, &id, actor, &community, vec![], context).await
}
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for UndoVote {
async fn verify(
&self,
context: &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_urls_match(&self.common.actor, &self.object.common().actor)?;
self.object.verify(context, request_counter).await?;
Ok(())
}
async fn receive(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let actor =
get_or_fetch_and_upsert_person(&self.common.actor, context, request_counter).await?;
let object =
get_or_fetch_and_insert_post_or_comment(&self.object.object, context, request_counter)
.await?;
match object {
PostOrComment::Post(p) => undo_vote_post(actor, p.deref(), context).await,
PostOrComment::Comment(c) => undo_vote_comment(actor, c.deref(), context).await,
}
}
fn common(&self) -> &ActivityCommonFields {
&self.common
}
}

133
crates/apub/src/activities/voting/vote.rs Normal file
View file

@ -0,0 +1,133 @@
use crate::{
activities::{
community::announce::AnnouncableActivities,
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,
},
ActorType,
PostOrComment,
};
use anyhow::anyhow;
use lemmy_api_common::blocking;
use lemmy_apub_lib::{values::PublicUrl, ActivityCommonFields, ActivityHandler};
use lemmy_db_queries::Crud;
use lemmy_db_schema::{
source::{community::Community, person::Person},
CommunityId,
};
use lemmy_utils::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)]
#[serde(rename_all = "camelCase")]
pub struct Vote {
pub(in crate::activities::voting) to: PublicUrl,
pub(in crate::activities::voting) object: Url,
pub(in crate::activities::voting) cc: [Url; 1],
#[serde(rename = "type")]
pub(in crate::activities::voting) kind: VoteType,
#[serde(flatten)]
pub(in crate::activities::voting) common: ActivityCommonFields,
}
impl Vote {
pub async fn send(
object: &PostOrComment,
actor: &Person,
community_id: CommunityId,
kind: VoteType,
context: &LemmyContext,
) -> Result<(), LemmyError> {
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
let id = generate_activity_id(kind.clone())?;
let vote = Vote {
to: PublicUrl::Public,
object: object.ap_id(),
cc: [community.actor_id()],
kind,
common: ActivityCommonFields {
context: lemmy_context(),
id: id.clone(),
actor: actor.actor_id(),
unparsed: Default::default(),
},
};
let activity = AnnouncableActivities::Vote(vote);
send_to_community_new(activity, &id, actor, &community, vec![], context).await
}
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for Vote {
async fn verify(
&self,
context: &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?;
Ok(())
}
async fn receive(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
let actor =
get_or_fetch_and_upsert_person(&self.common.actor, context, request_counter).await?;
let object =
get_or_fetch_and_insert_post_or_comment(&self.object, context, 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,
}
}
fn common(&self) -> &ActivityCommonFields {
&self.common
}
}

19
crates/apub/src/http/inbox_enums.rs
View file

@ -19,12 +19,7 @@ use crate::activities::{
remove::RemovePostCommentCommunityOrMod,
undo_remove::UndoRemovePostCommentOrCommunity,
},
voting::{
dislike::DislikePostOrComment,
like::LikePostOrComment,
undo_dislike::UndoDislikePostOrComment,
undo_like::UndoLikePostOrComment,
},
voting::{undo_vote::UndoVote, vote::Vote},
};
use lemmy_apub_lib::{ActivityCommonFields, ActivityHandler};
use lemmy_utils::LemmyError;
@ -48,10 +43,8 @@ pub enum GroupInboxActivities {
UndoFollowCommunity(UndoFollowCommunity),
CreateOrUpdateComment(CreateOrUpdateComment),
CreateOrUpdatePost(Box<CreateOrUpdatePost>),
LikePostOrComment(LikePostOrComment),
DislikePostOrComment(DislikePostOrComment),
UndoLikePostOrComment(UndoLikePostOrComment),
UndoDislikePostOrComment(UndoDislikePostOrComment),
Vote(Vote),
UndoVote(UndoVote),
DeletePostCommentOrCommunity(DeletePostCommentOrCommunity),
UndoDeletePostCommentOrCommunity(UndoDeletePostCommentOrCommunity),
RemovePostCommentOrCommunity(RemovePostCommentCommunityOrMod),
@ -70,10 +63,8 @@ pub enum SharedInboxActivities {
UndoFollowCommunity(UndoFollowCommunity),
CreateOrUpdateComment(CreateOrUpdateComment),
CreateOrUpdatePost(Box<CreateOrUpdatePost>),
LikePostOrComment(LikePostOrComment),
DislikePostOrComment(DislikePostOrComment),
UndoDislikePostOrComment(UndoDislikePostOrComment),
UndoLikePostOrComment(UndoLikePostOrComment),
Vote(Vote),
UndoVote(UndoVote),
DeletePostCommentOrCommunity(DeletePostCommentOrCommunity),
UndoDeletePostCommentOrCommunity(UndoDeletePostCommentOrCommunity),
RemovePostCommentOrCommunity(RemovePostCommentCommunityOrMod),

29
crates/apub/src/lib.rs
View file

@ -132,10 +132,6 @@ pub fn check_is_apub_id_valid(apub_id: &Url, use_strict_allowlist: bool) -> Resu
/// and actors in Lemmy.
#[async_trait::async_trait(?Send)]
pub trait ApubObjectType {
async fn send_create(&self, creator: &DbPerson, context: &LemmyContext)
-> Result<(), LemmyError>;
async fn send_update(&self, creator: &DbPerson, context: &LemmyContext)
-> Result<(), LemmyError>;
async fn send_delete(&self, creator: &DbPerson, context: &LemmyContext)
-> Result<(), LemmyError>;
async fn send_undo_delete(
@ -151,21 +147,6 @@ pub trait ApubObjectType {
) -> Result<(), LemmyError>;
}
#[async_trait::async_trait(?Send)]
pub trait ApubLikeableType {
async fn send_like(&self, creator: &DbPerson, context: &LemmyContext) -> Result<(), LemmyError>;
async fn send_dislike(
&self,
creator: &DbPerson,
context: &LemmyContext,
) -> Result<(), LemmyError>;
async fn send_undo_like(
&self,
creator: &DbPerson,
context: &LemmyContext,
) -> Result<(), LemmyError>;
}
/// Common methods provided by ActivityPub actors (community and person). Not all methods are
/// implemented by all actors.
pub trait ActorType {
@ -376,6 +357,16 @@ pub enum PostOrComment {
Post(Box<Post>),
}
impl PostOrComment {
pub(crate) fn ap_id(&self) -> Url {
match self {
PostOrComment::Post(p) => p.ap_id.clone(),
PostOrComment::Comment(c) => c.ap_id.clone(),
}
.into()
}
}
/// Tries to find a post or comment in the local database, without any network requests.
/// This is used to handle deletions and removals, because in case we dont have the object, we can
/// simply ignore the activity.