Update Helpers, cache profiles

app/Util/ActivityPub/Helpers.php

@@ -403,9 +403,13 @@ class Helpers {
 	public static function profileFirstOrNew($url, $runJobs = false)
 	{
 		$url = self::validateUrl($url);
-		if($url == false) {
+		if($url == false || strlen($url) > 190) {
-			abort(400, 'Invalid url');
+			return;
 		}
+		$hash = base64_encode($url);
+		$key = 'ap:profile:by_url:' . $hash;
+		$ttl = now()->addMinutes(5);
+		$profile = Cache::remember($key, $ttl, function() use($url, $runJobs) {
 			$host = parse_url($url, PHP_URL_HOST);
 			$local = config('pixelfed.domain.app') == $host ? true : false;
 
@@ -436,6 +440,7 @@ class Helpers {
 
 			$profile = Profile::whereRemoteUrl($res['id'])->first();
 			if(!$profile) {
+				$profile = DB::transaction(function() use($domain, $webfinger, $res, $runJobs) {
 					$profile = new Profile();
 					$profile->domain = strtolower($domain);
 					$profile->username = strtolower(Purify::clean($webfinger));
@@ -454,6 +459,8 @@ class Helpers {
 						// RemoteFollowImportRecent::dispatch($res, $profile);
 						CreateAvatar::dispatch($profile);
 					}
+					return $profile;
+				});
 			} else {
 				// Update info after 24 hours
 				if($profile->last_fetched_at == null || 
@@ -467,6 +474,8 @@ class Helpers {
 				}
 			}
 			return $profile;
+		});
+		return $profile;
 	}
 
 	public static function profileFetch($url)