make sure post wasn't deleted or removed.

crates/api_common/src/lib.rs

@@ -363,9 +363,17 @@ pub async fn check_community_deleted_or_removed(
 ) -> Result<(), LemmyError> {
   let community = blocking(pool, move |conn| Community::read(conn, community_id))
     .await?
-    .map_err(|_| ApiError::err("couldnt_find_community"))?;
+    .map_err(|e| ApiError::err("couldnt_find_community", e))?;
   if community.deleted || community.removed {
-    Err(ApiError::err("deleted").into())
+    Err(ApiError::err_plain("deleted").into())
+  } else {
+    Ok(())
+  }
+}
+
+pub fn check_post_deleted_or_removed(post: &Post) -> Result<(), LemmyError> {
+  if post.deleted || post.removed {
+    Err(ApiError::err_plain("deleted").into())
   } else {
     Ok(())
   }

crates/api_crud/src/comment/create.rs

@@ -5,6 +5,7 @@ use lemmy_api_common::{
   check_community_ban,
   check_community_deleted_or_removed,
   check_person_block,
+  check_post_deleted_or_removed,
   comment::*,
   get_local_user_view_from_jwt,
   get_post,
@@ -58,6 +59,7 @@ impl PerformCrud for CreateComment {
 
     check_community_ban(local_user_view.person.id, community_id, context.pool()).await?;
     check_community_deleted_or_removed(community_id, context.pool()).await?;
+    check_post_deleted_or_removed(&post)?;
 
     check_person_block(local_user_view.person.id, post.creator_id, context.pool()).await?;
 

crates/api_crud/src/comment/update.rs

@@ -4,6 +4,7 @@ use lemmy_api_common::{
   blocking,
   check_community_ban,
   check_community_deleted_or_removed,
+  check_post_deleted_or_removed,
   comment::*,
   get_local_user_view_from_jwt,
   send_local_notifs,
@@ -50,6 +51,7 @@ impl PerformCrud for EditComment {
     )
     .await?;
     check_community_deleted_or_removed(orig_comment.community.id, context.pool()).await?;
+    check_post_deleted_or_removed(&orig_comment.post)?;
 
     // Verify that only the creator can edit
     if local_user_view.person.id != orig_comment.creator.id {