Ignore Like() activity if local post doesn't exist

CHANGELOG.md

@@ -33,6 +33,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Don't stop activity processing on invalid local mentions.
 - Accept actor objects where `attachment` property value is not an array.
 - Don't download HTML pages attached by GNU Social.
+- Ignore `Like()` activity if local post doesn't exist.
 
 ## [1.9.0] - 2023-01-08
 

src/activitypub/handlers/like.rs

@@ -3,15 +3,16 @@ use serde_json::Value;
 
 use crate::activitypub::{
     fetcher::helpers::get_or_import_profile_by_actor_id,
-    identifiers::parse_local_object_id,
     receiver::deserialize_into_object_id,
     vocabulary::NOTE,
 };
 use crate::config::Config;
 use crate::database::{DatabaseClient, DatabaseError};
 use crate::errors::ValidationError;
-use crate::models::reactions::queries::create_reaction;
-use crate::models::posts::queries::get_post_by_remote_object_id;
+use crate::models::{
+    reactions::queries::create_reaction,
+    posts::helpers::get_post_by_object_id,
+};
 use super::HandlerResult;
 
 #[derive(Deserialize)]
@@ -35,23 +36,15 @@ pub async fn handle_like(
         &config.media_dir(),
         &activity.actor,
     ).await?;
-    let post_id = match parse_local_object_id(
+    let post_id = match get_post_by_object_id(
+        db_client,
         &config.instance_url(),
         &activity.object,
-    ) {
-        Ok(post_id) => post_id,
-        Err(_) => {
-            let post = match get_post_by_remote_object_id(
-                db_client,
-                &activity.object,
-            ).await {
-                Ok(post) => post,
-                // Ignore like if post is not found locally
-                Err(DatabaseError::NotFound(_)) => return Ok(None),
-                Err(other_error) => return Err(other_error.into()),
-            };
-            post.id
-        },
+    ).await {
+        Ok(post) => post.id,
+        // Ignore like if post is not found locally
+        Err(DatabaseError::NotFound(_)) => return Ok(None),
+        Err(other_error) => return Err(other_error.into()),
     };
     match create_reaction(
         db_client,