fix: wrap majority of note assertion logic in try..catch to handle exceptions so that the lock is always released

src/activitypub/notes.js

@@ -64,6 +64,7 @@ Notes.assert = async (uid, input, options = { skipChecks: false }) => {
 		return null;
 	}
 
+	try {
 		if (!options.skipChecks) {
 			id = (await activitypub.checkHeader(id)) || id;
 		}
@@ -271,6 +272,11 @@ Notes.assert = async (uid, input, options = { skipChecks: false }) => {
 		]);
 
 		return { tid, count };
+	} catch (e) {
+		winston.warn(`[activitypub/notes.assert] Could not assert ${id} (${e.message}), releasing lock.`);
+		await unlock(id);
+		return null;
+	}
 };
 
 Notes.assertPrivate = async (object) => {