From: Felix Ableitner <me@nutomic.com>
Date: Thu, 28 Oct 2021 12:47:56 +0000 (+0200)
Subject: Change activity.cc to Vec<Url> in public activities
X-Git-Url: http://these/git/%7B%60%24%7BwebArchiveUrl%7D/%22%7B%7D/%7B?a=commitdiff_plain;h=2d04ff93f5ccdb8d5e7af54aaabec796d8fe96a8;p=lemmy.git

Change activity.cc to Vec<Url> in public activities
---

diff --git a/crates/apub/src/activities/community/add_mod.rs b/crates/apub/src/activities/community/add_mod.rs
index 876fcc94..11abb5ba 100644
--- a/crates/apub/src/activities/community/add_mod.rs
+++ b/crates/apub/src/activities/community/add_mod.rs
@@ -45,7 +45,7 @@ pub struct AddMod {
   to: Vec<Url>,
   object: ObjectId<ApubPerson>,
   target: Url,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   #[serde(rename = "type")]
   kind: AddType,
   id: Url,
@@ -71,7 +71,7 @@ impl AddMod {
       to: vec![public()],
       object: ObjectId::new(added_mod.actor_id()),
       target: generate_moderators_url(&community.actor_id)?.into(),
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: AddType::Add,
       id: id.clone(),
       context: lemmy_context(),
@@ -97,8 +97,8 @@ impl ActivityHandler for AddMod {
     verify_activity(self, &context.settings())?;
     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.cc[0], context, request_counter).await?;
-    verify_add_remove_moderator_target(&self.target, &self.cc[0])?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
+    verify_add_remove_moderator_target(&self.target, &community)?;
     Ok(())
   }
 
diff --git a/crates/apub/src/activities/community/block_user.rs b/crates/apub/src/activities/community/block_user.rs
index 35cde2e6..21493214 100644
--- a/crates/apub/src/activities/community/block_user.rs
+++ b/crates/apub/src/activities/community/block_user.rs
@@ -46,7 +46,7 @@ pub struct BlockUserFromCommunity {
   actor: ObjectId<ApubPerson>,
   to: Vec<Url>,
   pub(in crate::activities::community) object: ObjectId<ApubPerson>,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   target: ObjectId<ApubCommunity>,
   #[serde(rename = "type")]
   kind: BlockType,
@@ -68,7 +68,7 @@ impl BlockUserFromCommunity {
       actor: ObjectId::new(actor.actor_id()),
       to: vec![public()],
       object: ObjectId::new(target.actor_id()),
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       target: ObjectId::new(community.actor_id()),
       kind: BlockType::Block,
       id: generate_activity_id(
@@ -107,7 +107,7 @@ impl ActivityHandler for BlockUserFromCommunity {
     verify_activity(self, &context.settings())?;
     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.cc[0], context, request_counter).await?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
     Ok(())
   }
 
diff --git a/crates/apub/src/activities/community/remove_mod.rs b/crates/apub/src/activities/community/remove_mod.rs
index f08ae964..786740d5 100644
--- a/crates/apub/src/activities/community/remove_mod.rs
+++ b/crates/apub/src/activities/community/remove_mod.rs
@@ -44,7 +44,7 @@ pub struct RemoveMod {
   actor: ObjectId<ApubPerson>,
   to: Vec<Url>,
   pub(in crate::activities) object: ObjectId<ApubPerson>,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   #[serde(rename = "type")]
   kind: RemoveType,
   pub(in crate::activities) target: Url,
@@ -73,7 +73,7 @@ impl RemoveMod {
       target: generate_moderators_url(&community.actor_id)?.into(),
       id: id.clone(),
       context: lemmy_context(),
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: RemoveType::Remove,
       unparsed: Default::default(),
     };
@@ -96,8 +96,8 @@ impl ActivityHandler for RemoveMod {
     verify_activity(self, &context.settings())?;
     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.cc[0], context, request_counter).await?;
-    verify_add_remove_moderator_target(&self.target, &self.cc[0])?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
+    verify_add_remove_moderator_target(&self.target, &community)?;
     Ok(())
   }
 
diff --git a/crates/apub/src/activities/community/undo_block_user.rs b/crates/apub/src/activities/community/undo_block_user.rs
index c33c81e6..b5e2a69c 100644
--- a/crates/apub/src/activities/community/undo_block_user.rs
+++ b/crates/apub/src/activities/community/undo_block_user.rs
@@ -42,7 +42,7 @@ pub struct UndoBlockUserFromCommunity {
   actor: ObjectId<ApubPerson>,
   to: Vec<Url>,
   object: BlockUserFromCommunity,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   #[serde(rename = "type")]
   kind: UndoType,
   id: Url,
@@ -69,7 +69,7 @@ impl UndoBlockUserFromCommunity {
       actor: ObjectId::new(actor.actor_id()),
       to: vec![public()],
       object: block,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: UndoType::Undo,
       id: id.clone(),
       context: lemmy_context(),
@@ -94,7 +94,7 @@ impl ActivityHandler for UndoBlockUserFromCommunity {
     verify_activity(self, &context.settings())?;
     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.cc[0], context, request_counter).await?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
     self.object.verify(context, request_counter).await?;
     Ok(())
   }
diff --git a/crates/apub/src/activities/community/update.rs b/crates/apub/src/activities/community/update.rs
index 13837433..b5ad7f92 100644
--- a/crates/apub/src/activities/community/update.rs
+++ b/crates/apub/src/activities/community/update.rs
@@ -47,7 +47,7 @@ pub struct UpdateCommunity {
   to: Vec<Url>,
   // TODO: would be nice to use a separate struct here, which only contains the fields updated here
   object: Group,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   #[serde(rename = "type")]
   kind: UpdateType,
   id: Url,
@@ -71,7 +71,7 @@ impl UpdateCommunity {
       actor: ObjectId::new(actor.actor_id()),
       to: vec![public()],
       object: community.to_apub(context).await?,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: UpdateType::Update,
       id: id.clone(),
       context: lemmy_context(),
@@ -95,7 +95,7 @@ impl ActivityHandler for UpdateCommunity {
     verify_activity(self, &context.settings())?;
     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.cc[0], context, request_counter).await?;
+    verify_mod_action(&self.actor, &community, context, request_counter).await?;
     Ok(())
   }
 
diff --git a/crates/apub/src/activities/deletion/delete.rs b/crates/apub/src/activities/deletion/delete.rs
index 8797ed6b..2677ea90 100644
--- a/crates/apub/src/activities/deletion/delete.rs
+++ b/crates/apub/src/activities/deletion/delete.rs
@@ -72,7 +72,7 @@ pub struct Delete {
   actor: ObjectId<ApubPerson>,
   to: Vec<Url>,
   pub(in crate::activities::deletion) object: Url,
-  pub(in crate::activities::deletion) cc: [ObjectId<ApubCommunity>; 1],
+  pub(in crate::activities::deletion) cc: Vec<Url>,
   #[serde(rename = "type")]
   kind: DeleteType,
   /// If summary is present, this is a mod action (Remove in Lemmy terms). Otherwise, its a user
@@ -95,10 +95,11 @@ impl ActivityHandler for Delete {
   ) -> Result<(), LemmyError> {
     verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
+    let community = self.get_community(context, request_counter).await?;
     verify_delete_activity(
       &self.object,
       self,
-      &self.cc[0],
+      &community,
       self.summary.is_some(),
       context,
       request_counter,
@@ -151,7 +152,7 @@ impl Delete {
       actor: ObjectId::new(actor.actor_id()),
       to: vec![public()],
       object: object_id,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: DeleteType::Delete,
       summary,
       id: generate_activity_id(
diff --git a/crates/apub/src/activities/deletion/mod.rs b/crates/apub/src/activities/deletion/mod.rs
index f523ca71..1af02245 100644
--- a/crates/apub/src/activities/deletion/mod.rs
+++ b/crates/apub/src/activities/deletion/mod.rs
@@ -82,7 +82,7 @@ impl DeletableObjects {
 pub(in crate::activities) async fn verify_delete_activity(
   object: &Url,
   activity: &dyn ActivityFields,
-  community_id: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
   is_mod_action: bool,
   context: &LemmyContext,
   request_counter: &mut i32,
@@ -90,26 +90,20 @@ pub(in crate::activities) async fn verify_delete_activity(
   let object = DeletableObjects::read_from_db(object, context).await?;
   let actor = ObjectId::new(activity.actor().clone());
   match object {
-    DeletableObjects::Community(c) => {
-      if c.local {
+    DeletableObjects::Community(community) => {
+      if community.local {
         // can only do this check for local community, in remote case it would try to fetch the
         // deleted community (which fails)
-        verify_person_in_community(&actor, &c, context, request_counter).await?;
+        verify_person_in_community(&actor, &community, context, request_counter).await?;
       }
       // community deletion is always a mod (or admin) action
-      verify_mod_action(
-        &actor,
-        &ObjectId::new(c.actor_id()),
-        context,
-        request_counter,
-      )
-      .await?;
+      verify_mod_action(&actor, &community, context, request_counter).await?;
     }
     DeletableObjects::Post(p) => {
       verify_delete_activity_post_or_comment(
         activity,
         &p.ap_id.clone().into(),
-        community_id,
+        community,
         is_mod_action,
         context,
         request_counter,
@@ -120,7 +114,7 @@ pub(in crate::activities) async fn verify_delete_activity(
       verify_delete_activity_post_or_comment(
         activity,
         &c.ap_id.clone().into(),
-        community_id,
+        community,
         is_mod_action,
         context,
         request_counter,
@@ -134,16 +128,15 @@ pub(in crate::activities) async fn verify_delete_activity(
 async fn verify_delete_activity_post_or_comment(
   activity: &dyn ActivityFields,
   object_id: &Url,
-  community_id: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
   is_mod_action: bool,
   context: &LemmyContext,
   request_counter: &mut i32,
 ) -> Result<(), LemmyError> {
   let actor = ObjectId::new(activity.actor().clone());
-  let community = community_id.dereference(context, request_counter).await?;
-  verify_person_in_community(&actor, &community, context, request_counter).await?;
+  verify_person_in_community(&actor, community, context, request_counter).await?;
   if is_mod_action {
-    verify_mod_action(&actor, community_id, context, request_counter).await?;
+    verify_mod_action(&actor, community, context, request_counter).await?;
   } else {
     // domain of post ap_id and post.creator ap_id are identical, so we just check the former
     verify_domains_match(activity.actor(), object_id)?;
diff --git a/crates/apub/src/activities/deletion/undo_delete.rs b/crates/apub/src/activities/deletion/undo_delete.rs
index d2816b11..d881ab42 100644
--- a/crates/apub/src/activities/deletion/undo_delete.rs
+++ b/crates/apub/src/activities/deletion/undo_delete.rs
@@ -48,7 +48,7 @@ pub struct UndoDelete {
   actor: ObjectId<ApubPerson>,
   to: Vec<Url>,
   object: Delete,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   #[serde(rename = "type")]
   kind: UndoType,
   id: Url,
@@ -69,10 +69,11 @@ impl ActivityHandler for UndoDelete {
     verify_is_public(&self.to)?;
     verify_activity(self, &context.settings())?;
     self.object.verify(context, request_counter).await?;
+    let community = self.get_community(context, request_counter).await?;
     verify_delete_activity(
       &self.object.object,
       self,
-      &self.cc[0],
+      &community,
       self.object.summary.is_some(),
       context,
       request_counter,
@@ -124,7 +125,7 @@ impl UndoDelete {
       actor: ObjectId::new(actor.actor_id()),
       to: vec![public()],
       object,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: UndoType::Undo,
       id: id.clone(),
       context: lemmy_context(),
diff --git a/crates/apub/src/activities/mod.rs b/crates/apub/src/activities/mod.rs
index b180b6f3..63f79caa 100644
--- a/crates/apub/src/activities/mod.rs
+++ b/crates/apub/src/activities/mod.rs
@@ -83,12 +83,10 @@ fn verify_activity(activity: &dyn ActivityFields, settings: &Settings) -> Result
 /// is not federated, we cant verify their actions remotely.
 pub(crate) async fn verify_mod_action(
   actor_id: &ObjectId<ApubPerson>,
-  community_id: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
   context: &LemmyContext,
   request_counter: &mut i32,
 ) -> Result<(), LemmyError> {
-  let community = community_id.dereference_local(context).await?;
-
   if community.local {
     let actor = actor_id.dereference(context, request_counter).await?;
 
@@ -111,9 +109,9 @@ pub(crate) async fn verify_mod_action(
 /// /c/community/moderators. Any different values are unsupported.
 fn verify_add_remove_moderator_target(
   target: &Url,
-  community: &ObjectId<ApubCommunity>,
+  community: &ApubCommunity,
 ) -> Result<(), LemmyError> {
-  if target != &generate_moderators_url(&community.clone().into())?.into_inner() {
+  if target != &generate_moderators_url(&community.actor_id)?.into_inner() {
     return Err(anyhow!("Unkown target url").into());
   }
   Ok(())
diff --git a/crates/apub/src/activities/post/create_or_update.rs b/crates/apub/src/activities/post/create_or_update.rs
index b18d100e..44498823 100644
--- a/crates/apub/src/activities/post/create_or_update.rs
+++ b/crates/apub/src/activities/post/create_or_update.rs
@@ -40,7 +40,7 @@ pub struct CreateOrUpdatePost {
   actor: ObjectId<ApubPerson>,
   to: Vec<Url>,
   object: Page,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   #[serde(rename = "type")]
   kind: CreateOrUpdateType,
   id: Url,
@@ -66,7 +66,7 @@ impl CreateOrUpdatePost {
       actor: ObjectId::new(actor.actor_id()),
       to: vec![public()],
       object: post.to_apub(context).await?,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind,
       id: id.clone(),
       context: lemmy_context(),
@@ -123,7 +123,7 @@ impl ActivityHandler for CreateOrUpdatePost {
       CreateOrUpdateType::Update => {
         let is_mod_action = self.object.is_mod_action(context).await?;
         if is_mod_action {
-          verify_mod_action(&self.actor, &self.cc[0], context, request_counter).await?;
+          verify_mod_action(&self.actor, &community, context, request_counter).await?;
         } else {
           verify_domains_match(self.actor.inner(), self.object.id_unchecked())?;
           verify_urls_match(self.actor(), self.object.attributed_to.inner())?;
diff --git a/crates/apub/src/activities/voting/undo_vote.rs b/crates/apub/src/activities/voting/undo_vote.rs
index 6d63e905..144cbfc1 100644
--- a/crates/apub/src/activities/voting/undo_vote.rs
+++ b/crates/apub/src/activities/voting/undo_vote.rs
@@ -45,7 +45,7 @@ pub struct UndoVote {
   actor: ObjectId<ApubPerson>,
   to: Vec<Url>,
   object: Vote,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   #[serde(rename = "type")]
   kind: UndoType,
   id: Url,
@@ -78,7 +78,7 @@ impl UndoVote {
       actor: ObjectId::new(actor.actor_id()),
       to: vec![public()],
       object,
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: UndoType::Undo,
       id: id.clone(),
       context: lemmy_context(),
diff --git a/crates/apub/src/activities/voting/vote.rs b/crates/apub/src/activities/voting/vote.rs
index 4d669728..5b08390f 100644
--- a/crates/apub/src/activities/voting/vote.rs
+++ b/crates/apub/src/activities/voting/vote.rs
@@ -67,7 +67,7 @@ pub struct Vote {
   actor: ObjectId<ApubPerson>,
   to: Vec<Url>,
   pub(in crate::activities::voting) object: ObjectId<PostOrComment>,
-  cc: [ObjectId<ApubCommunity>; 1],
+  cc: Vec<Url>,
   #[serde(rename = "type")]
   pub(in crate::activities::voting) kind: VoteType,
   id: Url,
@@ -89,7 +89,7 @@ impl Vote {
       actor: ObjectId::new(actor.actor_id()),
       to: vec![public()],
       object: ObjectId::new(object.ap_id()),
-      cc: [ObjectId::new(community.actor_id())],
+      cc: vec![community.actor_id()],
       kind: kind.clone(),
       id: generate_activity_id(kind, &context.settings().get_protocol_and_hostname())?,
       context: lemmy_context(),