Merge pull request #13795 from annando/copyright

[friendica.git] / src / Protocol / ActivityPub.php

diff --git a/src/Protocol/ActivityPub.php b/src/Protocol/ActivityPub.php
index 4be88b341b98c2d535ab9cbcb73e86e5b9bcdab2..976a33b66e87f1ec874a2360c6a3247cb944d88b 100644 (file)
--- a/src/Protocol/ActivityPub.php
+++ b/src/Protocol/ActivityPub.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2010-2023, the Friendica project
+ * @copyright Copyright (C) 2010-2024, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -24,6 +24,7 @@ namespace Friendica\Protocol;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;
 use Friendica\Core\System;
+use Friendica\DI;
 use Friendica\Model\APContact;
 use Friendica\Model\Contact;
 use Friendica\Model\User;
@@ -105,19 +106,6 @@ class ActivityPub
                return $isrequest;
        }
 
-       /**
-        * Fetches ActivityPub content from the given url
-        *
-        * @param string  $url content url
-        * @param integer $uid User ID for the signature
-        * @return array
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
-        */
-       public static function fetchContent(string $url, int $uid = 0): array
-       {
-               return HTTPSignature::fetch($url, $uid);
-       }
-
        private static function getAccountType(array $apcontact): int
        {
                $accounttype = -1;
@@ -216,7 +204,7 @@ class ActivityPub
         */
        public static function fetchOutbox(string $url, int $uid)
        {
-               $data = self::fetchContent($url, $uid);
+               $data = HTTPSignature::fetch($url, $uid);
                if (empty($data)) {
                        return;
                }
@@ -241,13 +229,21 @@ class ActivityPub
        /**
         * Fetch items from AP endpoints
         *
-        * @param string $url  Address of the endpoint
-        * @param integer $uid Optional user id
+        * @param string $url              Address of the endpoint
+        * @param integer $uid             Optional user id
+        * @param integer $start_timestamp Internally used parameter to stop fetching after some time
         * @return array Endpoint items
         */
-       public static function fetchItems(string $url, int $uid = 0): array
+       public static function fetchItems(string $url, int $uid = 0, int $start_timestamp = 0): array
        {
-               $data = self::fetchContent($url, $uid);
+               $start_timestamp = $start_timestamp ?: time();
+
+               if ((time() - $start_timestamp) > 60) {
+                       Logger::info('Fetch time limit reached', ['url' => $url, 'uid' => $uid]);
+                       return [];
+               }
+
+               $data = HTTPSignature::fetch($url, $uid);
                if (empty($data)) {
                        return [];
                }
@@ -257,13 +253,13 @@ class ActivityPub
                } elseif (!empty($data['first']['orderedItems'])) {
                        $items = $data['first']['orderedItems'];
                } elseif (!empty($data['first']) && is_string($data['first']) && ($data['first'] != $url)) {
-                       return self::fetchItems($data['first'], $uid);
+                       return self::fetchItems($data['first'], $uid, $start_timestamp);
                } else {
                        return [];
                }
 
                if (!empty($data['next']) && is_string($data['next'])) {
-                       $items = array_merge($items, self::fetchItems($data['next'], $uid));
+                       $items = array_merge($items, self::fetchItems($data['next'], $uid, $start_timestamp));
                }
 
                return $items;
@@ -299,7 +295,7 @@ class ActivityPub
                        return false;
                }
 
-               if (empty($apcontact['gsid'] || empty($apcontact['baseurl']))) {
+               if (empty($apcontact['gsid']) || empty($apcontact['baseurl'])) {
                        Logger::debug('No server found', ['uid' => $uid, 'signer' => $signer, 'called_by' => $called_by]);
                        return false;
                }
@@ -310,7 +306,18 @@ class ActivityPub
                        return false;
                }
 
-               // @todo Look for user blocked domains
+               $limited = DI::config()->get('system', 'limited_servers');
+               if (!empty($limited)) {
+                       $servers = explode(',', str_replace(' ', '', $limited));
+                       $host = parse_url($apcontact['baseurl'], PHP_URL_HOST);
+                       if (!empty($host) && in_array($host, $servers)) {
+                               return false;
+                       }
+               }
+
+               if (DI::userGServer()->isIgnoredByUser($uid, $apcontact['gsid'])) {
+                       return false;
+               }
 
                Logger::debug('Server is an accepted requester', ['uid' => $uid, 'id' => $apcontact['gsid'], 'url' => $apcontact['baseurl'], 'signer' => $signer, 'called_by' => $called_by]);