fix: optimizations

- plugins.isActive response now cached in nconf
- public addresses filtered out of actor assertion logic during
  qualification stage
- bump mentions to fix db call with empty values
- update buildRecipients to exclude public addresses and local URIs when
  building targeting array

src/activitypub/actors.js

@@ -45,6 +45,9 @@ Actors.qualify = async (ids, options = {}) => {
 	// Filter out uids if passed in
 	ids = ids.filter(id => !utils.isNumber(id));
 
+	// Filter out constants
+	ids = ids.filter(id => !activitypub._constants.acceptablePublicAddresses.includes(id));
+
 	// Translate webfinger handles to uris
 	ids = (await Promise.all(ids.map(async (id) => {
 		const originalId = id;

src/activitypub/index.js

@@ -491,13 +491,23 @@ ActivityPub.buildRecipients = async function (object, { pid, uid, cid }) {
 
 	const targets = new Set([...followers, ...to, ...cc]);
 
-	// Remove any ids that aren't asserted actors
-	const exists = await db.isSortedSetMembers('usersRemote:lastCrawled', [...targets]);
-	Array.from(targets).forEach((uri, idx) => {
-		if (!exists[idx]) {
-			targets.delete(uri);
+	// Remove local uris, public addresses, and any ids that aren't asserted actors
+	targets.forEach((address) => {
+		if (address.startsWith(nconf.get('url'))) {
+			targets.delete(address);
 		}
 	});
+	ActivityPub._constants.acceptablePublicAddresses.forEach((address) => {
+		targets.delete(address);
+	});
+	if (targets.size) {
+		const exists = await db.isSortedSetMembers('usersRemote:lastCrawled', [...targets]);
+		Array.from(targets).forEach((uri, idx) => {
+			if (!exists[idx]) {
+				targets.delete(uri);
+			}
+		});
+	}
 
 	// Topic posters, post announcers and their followers
 	if (pid) {

src/plugins/install.js

@@ -177,7 +177,9 @@ module.exports = function (Plugins) {
 		if (nconf.get('plugins:active')) {
 			return nconf.get('plugins:active');
 		}
-		return await db.getSortedSetRange('plugins:active', 0, -1);
+		const active = await db.getSortedSetRange('plugins:active', 0, -1);
+		nconf.set('plugins:active', active);
+		return active;
 	};
 
 	Plugins.autocomplete = async (fragment) => {