3 deletion::{receive_delete_action, verify_delete_activity, DeletableObjects},
7 objects::person::ApubPerson,
8 protocol::{activities::deletion::delete::Delete, IdOrNestedObject},
10 use activitypub_federation::{config::Data, kinds::activity::DeleteType, traits::ActivityHandler};
11 use lemmy_api_common::{context::LemmyContext, websocket::UserOperationCrud};
12 use lemmy_db_schema::{
14 comment::{Comment, CommentUpdateForm},
15 community::{Community, CommunityUpdateForm},
20 ModRemoveCommunityForm,
24 post::{Post, PostUpdateForm},
28 use lemmy_utils::error::LemmyError;
31 #[async_trait::async_trait]
32 impl ActivityHandler for Delete {
33 type DataType = LemmyContext;
34 type Error = LemmyError;
36 fn id(&self) -> &Url {
40 fn actor(&self) -> &Url {
44 #[tracing::instrument(skip_all)]
45 async fn verify(&self, context: &Data<Self::DataType>) -> Result<(), LemmyError> {
46 verify_delete_activity(self, self.summary.is_some(), context).await?;
50 #[tracing::instrument(skip_all)]
51 async fn receive(self, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
52 insert_activity(&self.id, &self, false, false, context).await?;
53 if let Some(reason) = self.summary {
54 // We set reason to empty string if it doesn't exist, to distinguish between delete and
55 // remove. Here we change it back to option, so we don't write it to db.
56 let reason = if reason.is_empty() {
61 receive_remove_action(
62 &self.actor.dereference(context).await?,
69 receive_delete_action(self.object.id(), &self.actor, true, context).await
75 pub(in crate::activities::deletion) fn new(
77 object: DeletableObjects,
79 community: Option<&Community>,
80 summary: Option<String>,
81 context: &Data<LemmyContext>,
82 ) -> Result<Delete, LemmyError> {
83 let id = generate_activity_id(
85 &context.settings().get_protocol_and_hostname(),
87 let cc: Option<Url> = community.map(|c| c.actor_id.clone().into());
89 actor: actor.actor_id.clone().into(),
91 object: IdOrNestedObject::Id(object.id()),
92 cc: cc.into_iter().collect(),
93 kind: DeleteType::Delete,
96 audience: community.map(|c| c.actor_id.clone().into()),
101 #[tracing::instrument(skip_all)]
102 pub(in crate::activities) async fn receive_remove_action(
105 reason: Option<String>,
106 context: &Data<LemmyContext>,
107 ) -> Result<(), LemmyError> {
108 use UserOperationCrud::*;
109 match DeletableObjects::read_from_db(object, context).await? {
110 DeletableObjects::Community(community) => {
112 return Err(LemmyError::from_message(
113 "Only local admin can remove community",
116 let form = ModRemoveCommunityForm {
117 mod_person_id: actor.id,
118 community_id: community.id,
123 ModRemoveCommunity::create(context.pool(), &form).await?;
124 let deleted_community = Community::update(
127 &CommunityUpdateForm::builder().removed(Some(true)).build(),
132 .send_community_ws_message(&RemoveCommunity, deleted_community.id, None, None)
135 DeletableObjects::Post(post) => {
136 let form = ModRemovePostForm {
137 mod_person_id: actor.id,
142 ModRemovePost::create(context.pool(), &form).await?;
143 let removed_post = Post::update(
146 &PostUpdateForm::builder().removed(Some(true)).build(),
151 .send_post_ws_message(&RemovePost, removed_post.id, None, None)
154 DeletableObjects::Comment(comment) => {
155 let form = ModRemoveCommentForm {
156 mod_person_id: actor.id,
157 comment_id: comment.id,
161 ModRemoveComment::create(context.pool(), &form).await?;
162 let removed_comment = Comment::update(
165 &CommentUpdateForm::builder().removed(Some(true)).build(),
170 .send_comment_ws_message_simple(&RemoveComment, removed_comment.id)
173 DeletableObjects::PrivateMessage(_) => unimplemented!(),