]> git.mxchange.org Git - friendica.git/blobdiff - src/Protocol/ActivityPub/Transmitter.php
Move remaining namespaces and delete Core\Cache.php
[friendica.git] / src / Protocol / ActivityPub / Transmitter.php
index 3f962b8cf95ca25a3680c850dceaf12b806678c1..dbfd67cb0dc2474b868a4a7f878ccb995009f35c 100644 (file)
@@ -4,16 +4,16 @@
  */
 namespace Friendica\Protocol\ActivityPub;
 
-use Friendica\BaseObject;
 use Friendica\Content\Feature;
 use Friendica\Content\Text\BBCode;
 use Friendica\Content\Text\Plaintext;
-use Friendica\Core\Cache;
+use Friendica\Core\Cache\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
+use Friendica\DI;
 use Friendica\Model\APContact;
 use Friendica\Model\Contact;
 use Friendica\Model\Conversation;
@@ -60,7 +60,7 @@ class Transmitter
                $count = DBA::count('contact', $condition);
 
                $data = ['@context' => ActivityPub::CONTEXT];
-               $data['id'] = System::baseUrl() . '/followers/' . $owner['nickname'];
+               $data['id'] = DI::baseUrl() . '/followers/' . $owner['nickname'];
                $data['type'] = 'OrderedCollection';
                $data['totalItems'] = $count;
 
@@ -71,7 +71,7 @@ class Transmitter
                }
 
                if (empty($page)) {
-                       $data['first'] = System::baseUrl() . '/followers/' . $owner['nickname'] . '?page=1';
+                       $data['first'] = DI::baseUrl() . '/followers/' . $owner['nickname'] . '?page=1';
                } else {
                        $data['type'] = 'OrderedCollectionPage';
                        $list = [];
@@ -82,10 +82,10 @@ class Transmitter
                        }
 
                        if (!empty($list)) {
-                               $data['next'] = System::baseUrl() . '/followers/' . $owner['nickname'] . '?page=' . ($page + 1);
+                               $data['next'] = DI::baseUrl() . '/followers/' . $owner['nickname'] . '?page=' . ($page + 1);
                        }
 
-                       $data['partOf'] = System::baseUrl() . '/followers/' . $owner['nickname'];
+                       $data['partOf'] = DI::baseUrl() . '/followers/' . $owner['nickname'];
 
                        $data['orderedItems'] = $list;
                }
@@ -109,7 +109,7 @@ class Transmitter
                $count = DBA::count('contact', $condition);
 
                $data = ['@context' => ActivityPub::CONTEXT];
-               $data['id'] = System::baseUrl() . '/following/' . $owner['nickname'];
+               $data['id'] = DI::baseUrl() . '/following/' . $owner['nickname'];
                $data['type'] = 'OrderedCollection';
                $data['totalItems'] = $count;
 
@@ -120,7 +120,7 @@ class Transmitter
                }
 
                if (empty($page)) {
-                       $data['first'] = System::baseUrl() . '/following/' . $owner['nickname'] . '?page=1';
+                       $data['first'] = DI::baseUrl() . '/following/' . $owner['nickname'] . '?page=1';
                } else {
                        $data['type'] = 'OrderedCollectionPage';
                        $list = [];
@@ -131,10 +131,10 @@ class Transmitter
                        }
 
                        if (!empty($list)) {
-                               $data['next'] = System::baseUrl() . '/following/' . $owner['nickname'] . '?page=' . ($page + 1);
+                               $data['next'] = DI::baseUrl() . '/following/' . $owner['nickname'] . '?page=' . ($page + 1);
                        }
 
-                       $data['partOf'] = System::baseUrl() . '/following/' . $owner['nickname'];
+                       $data['partOf'] = DI::baseUrl() . '/following/' . $owner['nickname'];
 
                        $data['orderedItems'] = $list;
                }
@@ -162,12 +162,12 @@ class Transmitter
                $count = DBA::count('item', $condition);
 
                $data = ['@context' => ActivityPub::CONTEXT];
-               $data['id'] = System::baseUrl() . '/outbox/' . $owner['nickname'];
+               $data['id'] = DI::baseUrl() . '/outbox/' . $owner['nickname'];
                $data['type'] = 'OrderedCollection';
                $data['totalItems'] = $count;
 
                if (empty($page)) {
-                       $data['first'] = System::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=1';
+                       $data['first'] = DI::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=1';
                } else {
                        $data['type'] = 'OrderedCollectionPage';
                        $list = [];
@@ -176,16 +176,18 @@ class Transmitter
 
                        $items = Item::select(['id'], $condition, ['limit' => [($page - 1) * 20, 20], 'order' => ['created' => true]]);
                        while ($item = Item::fetch($items)) {
-                               $object = self::createObjectFromItemID($item['id']);
-                               unset($object['@context']);
-                               $list[] = $object;
+                               $activity = self::createActivityFromItem($item['id'], true);
+                               // Only list "Create" activity objects here, no reshares
+                               if (is_array($activity['object']) && ($activity['type'] == 'Create')) {
+                                       $list[] = $activity['object'];
+                               }
                        }
 
                        if (!empty($list)) {
-                               $data['next'] = System::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=' . ($page + 1);
+                               $data['next'] = DI::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=' . ($page + 1);
                        }
 
-                       $data['partOf'] = System::baseUrl() . '/outbox/' . $owner['nickname'];
+                       $data['partOf'] = DI::baseUrl() . '/outbox/' . $owner['nickname'];
 
                        $data['orderedItems'] = $list;
                }
@@ -202,7 +204,7 @@ class Transmitter
        {
                return ['type' => 'Service',
                        'name' =>  FRIENDICA_PLATFORM . " '" . FRIENDICA_CODENAME . "' " . FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
-                       'url' => BaseObject::getApp()->getBaseURL()];
+                       'url' => DI::baseUrl()->get()];
        }
 
        /**
@@ -238,10 +240,10 @@ class Transmitter
                $data['id'] = $contact['url'];
                $data['diaspora:guid'] = $user['guid'];
                $data['type'] = ActivityPub::ACCOUNT_TYPES[$user['account-type']];
-               $data['following'] = System::baseUrl() . '/following/' . $user['nickname'];
-               $data['followers'] = System::baseUrl() . '/followers/' . $user['nickname'];
-               $data['inbox'] = System::baseUrl() . '/inbox/' . $user['nickname'];
-               $data['outbox'] = System::baseUrl() . '/outbox/' . $user['nickname'];
+               $data['following'] = DI::baseUrl() . '/following/' . $user['nickname'];
+               $data['followers'] = DI::baseUrl() . '/followers/' . $user['nickname'];
+               $data['inbox'] = DI::baseUrl() . '/inbox/' . $user['nickname'];
+               $data['outbox'] = DI::baseUrl() . '/outbox/' . $user['nickname'];
                $data['preferredUsername'] = $user['nickname'];
                $data['name'] = $contact['name'];
                $data['vcard:hasAddress'] = ['@type' => 'vcard:Home', 'vcard:country-name' => $profile['country-name'],
@@ -252,7 +254,7 @@ class Transmitter
                $data['publicKey'] = ['id' => $contact['url'] . '#main-key',
                        'owner' => $contact['url'],
                        'publicKeyPem' => $user['pubkey']];
-               $data['endpoints'] = ['sharedInbox' => System::baseUrl() . '/inbox'];
+               $data['endpoints'] = ['sharedInbox' => DI::baseUrl() . '/inbox'];
                $data['icon'] = ['type' => 'Image',
                        'url' => $contact['photo']];
 
@@ -271,7 +273,7 @@ class Transmitter
        {
                return [
                        '@context' => ActivityPub::CONTEXT,
-                       'id' => System::baseUrl() . '/profile/' . $username,
+                       'id' => DI::baseUrl() . '/profile/' . $username,
                        'type' => 'Tombstone',
                        'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
                        'updated' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
@@ -361,7 +363,11 @@ class Transmitter
                        }
                }
 
-               if (Config::get('debug', 'total_ap_delivery')) {
+               if (Config::get('system', 'ap_always_bcc')) {
+                       $always_bcc = true;
+               }
+
+               if (self::isAnnounce($item) || Config::get('debug', 'total_ap_delivery')) {
                        // Will be activated in a later step
                        $networks = Protocol::FEDERATED;
                } else {
@@ -380,6 +386,15 @@ class Transmitter
                $terms = Term::tagArrayFromItemId($item['id'], [Term::MENTION, Term::IMPLICIT_MENTION]);
 
                if (!$item['private']) {
+                       // Directly mention the original author upon a quoted reshare.
+                       // Else just ensure that the original author receives the reshare.
+                       $announce = self::getAnnounceArray($item);
+                       if (!empty($announce['comment'])) {
+                               $data['to'][] = $announce['actor']['url'];
+                       } elseif (!empty($announce)) {
+                               $data['cc'][] = $announce['actor']['url'];
+                       }
+
                        $data = array_merge($data, self::fetchPermissionBlockFromConversation($item));
 
                        $data['to'][] = ActivityPub::PUBLIC_COLLECTION;
@@ -653,6 +668,9 @@ class Transmitter
        public static function ItemArrayFromMail($mail_id)
        {
                $mail = DBA::selectFirst('mail', [], ['id' => $mail_id]);
+               if (!DBA::isResult($mail)) {
+                       return [];
+               }
 
                $reply = DBA::selectFirst('mail', ['uri'], ['parent-uri' => $mail['parent-uri'], 'reply' => false]);
 
@@ -696,11 +714,6 @@ class Transmitter
                $mail = self::ItemArrayFromMail($mail_id);
                $object = self::createNote($mail);
 
-               $object['to'] = $object['cc'];
-               unset($object['cc']);
-
-               $object['tag'] = [['type' => 'Mention', 'href' => $object['to'][0], 'name' => 'test']];
-
                if (!$object_mode) {
                        $data = ['@context' => ActivityPub::CONTEXT];
                } else {
@@ -726,6 +739,8 @@ class Transmitter
                unset($data['bcc']);
 
                $object['to'] = $data['to'];
+               $object['tag'] = [['type' => 'Mention', 'href' => $object['to'][0], 'name' => '']];
+
                unset($object['cc']);
                unset($object['bcc']);
 
@@ -757,8 +772,8 @@ class Transmitter
 
                // Only check for a reshare, if it is a real reshare and no quoted reshare
                if (strpos($item['body'], "[share") === 0) {
-                       $announce = api_share_as_retweet($item);
-                       $reshared = !empty($announce['plink']);
+                       $announce = self::getAnnounceArray($item);
+                       $reshared = !empty($announce);
                }
 
                if ($reshared) {
@@ -804,7 +819,7 @@ class Transmitter
                $cachekey = 'APDelivery:createActivity:' . $item_id;
 
                if (!$force) {
-                       $data = Cache::get($cachekey);
+                       $data = DI::cache()->get($cachekey);
                        if (!is_null($data)) {
                                return $data;
                        }
@@ -812,7 +827,7 @@ class Transmitter
 
                $data = ActivityPub\Transmitter::createActivityFromItem($item_id);
 
-               Cache::set($cachekey, $data, Cache::QUARTER_HOUR);
+               DI::cache()->set($cachekey, $data, Cache::QUARTER_HOUR);
                return $data;
        }
 
@@ -919,29 +934,6 @@ class Transmitter
                /// @todo Create "conversation" entry
        }
 
-       /**
-        * Creates an object array for a given item id
-        *
-        * @param integer $item_id
-        *
-        * @return array with the object data
-        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
-        * @throws \ImagickException
-        */
-       public static function createObjectFromItemID($item_id)
-       {
-               $item = Item::selectFirst([], ['id' => $item_id, 'parent-network' => Protocol::NATIVE_SUPPORT]);
-
-               if (!DBA::isResult($item)) {
-                       return false;
-               }
-
-               $data = ['@context' => ActivityPub::CONTEXT];
-               $data = array_merge($data, self::createNote($item));
-
-               return $data;
-       }
-
        /**
         * Creates a location entry for a given item array
         *
@@ -991,7 +983,7 @@ class Transmitter
                $terms = Term::tagArrayFromItemId($item['id'], [Term::HASHTAG, Term::MENTION, Term::IMPLICIT_MENTION]);
                foreach ($terms as $term) {
                        if ($term['type'] == Term::HASHTAG) {
-                               $url = System::baseUrl() . '/search?tag=' . urlencode($term['term']);
+                               $url = DI::baseUrl() . '/search?tag=' . urlencode($term['term']);
                                $tags[] = ['type' => 'Hashtag', 'href' => $url, 'name' => '#' . $term['term']];
                        } elseif ($term['type'] == Term::MENTION || $term['type'] == Term::IMPLICIT_MENTION) {
                                $contact = Contact::getDetailsByURL($term['url']);
@@ -1004,6 +996,13 @@ class Transmitter
                                $tags[] = ['type' => 'Mention', 'href' => $term['url'], 'name' => $mention];
                        }
                }
+
+               $announce = self::getAnnounceArray($item);
+               // Mention the original author upon commented reshares
+               if (!empty($announce['comment'])) {
+                       $tags[] = ['type' => 'Mention', 'href' => $announce['actor']['url'], 'name' => '@' . $announce['actor']['addr']];
+               }
+
                return $tags;
        }
 
@@ -1020,6 +1019,37 @@ class Transmitter
        {
                $attachments = [];
 
+               // Currently deactivated, since it creates side effects on Mastodon and Pleroma.
+               // It will be reactivated, once this cleared.
+               /*
+               $attach_data = BBCode::getAttachmentData($item['body']);
+               if (!empty($attach_data['url'])) {
+                       $attachment = ['type' => 'Page',
+                               'mediaType' => 'text/html',
+                               'url' => $attach_data['url']];
+
+                       if (!empty($attach_data['title'])) {
+                               $attachment['name'] = $attach_data['title'];
+                       }
+
+                       if (!empty($attach_data['description'])) {
+                               $attachment['summary'] = $attach_data['description'];
+                       }
+
+                       if (!empty($attach_data['image'])) {
+                               $imgdata = Images::getInfoFromURLCached($attach_data['image']);
+                               if ($imgdata) {
+                                       $attachment['icon'] = ['type' => 'Image',
+                                               'mediaType' => $imgdata['mime'],
+                                               'width' => $imgdata[0],
+                                               'height' => $imgdata[1],
+                                               'url' => $attach_data['image']];
+                               }
+                       }
+
+                       $attachments[] = $attachment;
+               }
+               */
                $arr = explode('[/attach],', $item['attach']);
                if (count($arr)) {
                        foreach ($arr as $r) {
@@ -1115,7 +1145,7 @@ class Transmitter
                        '/\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]/Usi',
                        function ($match) {
                                // We remove the link when it is a link to a local photo page
-                               if (Photo::isLocalLink($match[1])) {
+                               if (Photo::isLocalPage($match[1])) {
                                        return '';
                                }
                                // otherwise we just return the link
@@ -1203,6 +1233,10 @@ class Transmitter
         */
        public static function createNote($item)
        {
+               if (empty($item)) {
+                       return [];
+               }
+
                if ($item['event-type'] == 'event') {
                        $type = 'Event';
                } elseif (!empty($item['title'])) {
@@ -1270,6 +1304,18 @@ class Transmitter
                        $data['content'] = BBCode::convert($body, false, 9);
                }
 
+               // The regular "content" field does contain a minimized HTML. This is done since systems like
+               // Mastodon has got problems with - for example - embedded pictures.
+               // The contentMap does contain the unmodified HTML.
+               $language = self::getLanguage($item);
+               if (!empty($language)) {
+                       $regexp = "/[@!]\[url\=([^\[\]]*)\].*?\[\/url\]/ism";
+                       $richbody = preg_replace_callback($regexp, ['self', 'mentionCallback'], $item['body']);
+                       $richbody = BBCode::removeAttachment($richbody);
+
+                       $data['contentMap'][$language] = BBCode::convert($richbody, false);
+               }
+
                $data['source'] = ['content' => $item['body'], 'mediaType' => "text/bbcode"];
 
                if (!empty($item['signed_text']) && ($item['uri'] != $item['thr-parent'])) {
@@ -1292,6 +1338,35 @@ class Transmitter
                return $data;
        }
 
+       /**
+        * Fetches the language from the post, the user or the system.
+        *
+        * @param array $item
+        *
+        * @return string language string
+        */
+       private static function getLanguage(array $item)
+       {
+               // Try to fetch the language from the post itself
+               if (!empty($item['language'])) {
+                       $languages = array_keys(json_decode($item['language'], true));
+                       if (!empty($languages[0])) {
+                               return $languages[0];
+                       }
+               }
+
+               // Otherwise use the user's language
+               if (!empty($item['uid'])) {
+                       $user = DBA::selectFirst('user', ['language'], ['uid' => $item['uid']]);
+                       if (!empty($user['language'])) {
+                               return $user['language'];
+                       }
+               }
+
+               // And finally just use the system language
+               return Config::get('system', 'language');
+       }
+
        /**
         * Creates an an "add tag" entry
         *
@@ -1329,46 +1404,80 @@ class Transmitter
        private static function createAnnounce($item, $data)
        {
                $orig_body = $item['body'];
-               $announce = api_share_as_retweet($item);
-               if (empty($announce['plink'])) {
+               $announce = self::getAnnounceArray($item);
+               if (empty($announce)) {
                        $data['type'] = 'Create';
                        $data['object'] = self::createNote($item);
                        return $data;
                }
 
-               // Fetch the original id of the object
-               $activity = ActivityPub::fetchContent($announce['plink'], $item['uid']);
-               if (!empty($activity)) {
-                       $ldactivity = JsonLD::compact($activity);
-                       $id = JsonLD::fetchElement($ldactivity, '@id');
-                       $type = str_replace('as:', '', JsonLD::fetchElement($ldactivity, '@type'));
-                       if (!empty($id)) {
-                               if (empty($announce['share-pre-body'])) {
-                                       // Pure announce, without a quote
-                                       $data['type'] = 'Announce';
-                                       $data['object'] = $id;
-                                       return $data;
-                               }
-
-                               // Quote
-                               $data['type'] = 'Create';
-                               $item['body'] = trim($announce['share-pre-body']) . "\n" . $id;
-                               $data['object'] = self::createNote($item);
-
-                               /// @todo Finally descide how to implement this in AP. This is a possible way:
-                               $data['object']['attachment'][] = ['type' => $type, 'id' => $id];
-
-                               $data['object']['source']['content'] = $orig_body;
-                               return $data;
-                       }
+               if (empty($announce['comment'])) {
+                       // Pure announce, without a quote
+                       $data['type'] = 'Announce';
+                       $data['object'] = $announce['object']['uri'];
+                       return $data;
                }
 
-               $item['body'] = $orig_body;
+               // Quote
                $data['type'] = 'Create';
+               $item['body'] = $announce['comment'] . "\n" . $announce['object']['plink'];
                $data['object'] = self::createNote($item);
+
+               /// @todo Finally descide how to implement this in AP. This is a possible way:
+               $data['object']['attachment'][] = self::createNote($announce['object']);
+
+               $data['object']['source']['content'] = $orig_body;
                return $data;
        }
 
+       /**
+        * Return announce related data if the item is an annunce
+        *
+        * @param array $item
+        *
+        * @return array
+        */
+       public static function getAnnounceArray($item)
+       {
+               $reshared = Item::getShareArray($item);
+               if (empty($reshared['guid'])) {
+                       return [];
+               }
+
+               $reshared_item = Item::selectFirst([], ['guid' => $reshared['guid']]);
+               if (!DBA::isResult($reshared_item)) {
+                       return [];
+               }
+
+               if (!in_array($reshared_item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
+                       return [];
+               }
+
+               $profile = APContact::getByURL($reshared_item['author-link'], false);
+               if (empty($profile)) {
+                       return [];
+               }
+
+               return ['object' => $reshared_item, 'actor' => $profile, 'comment' => $reshared['comment']];
+       }
+
+       /**
+        * Checks if the provided item array is an announce
+        *
+        * @param array $item
+        *
+        * @return boolean
+        */
+       public static function isAnnounce($item)
+       {
+               $announce = self::getAnnounceArray($item);
+               if (empty($announce)) {
+                       return false;
+               }
+
+               return empty($announce['comment']);
+       }
+
        /**
         * Creates an activity id for a given contact id
         *
@@ -1385,7 +1494,7 @@ class Transmitter
 
                $hash = hash('ripemd128', $contact['uid'].'-'.$contact['id'].'-'.$contact['created']);
                $uuid = substr($hash, 0, 8). '-' . substr($hash, 8, 4) . '-' . substr($hash, 12, 4) . '-' . substr($hash, 16, 4) . '-' . substr($hash, 20, 12);
-               return System::baseUrl() . '/activity/' . $uuid;
+               return DI::baseUrl() . '/activity/' . $uuid;
        }
 
        /**
@@ -1405,7 +1514,7 @@ class Transmitter
                $suggestion = DBA::selectFirst('fsuggest', ['url', 'note', 'created'], ['id' => $suggestion_id]);
 
                $data = ['@context' => ActivityPub::CONTEXT,
-                       'id' => System::baseUrl() . '/activity/' . System::createGUID(),
+                       'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
                        'type' => 'Announce',
                        'actor' => $owner['url'],
                        'object' => $suggestion['url'],
@@ -1434,7 +1543,7 @@ class Transmitter
                $owner = User::getOwnerDataById($uid);
 
                $data = ['@context' => ActivityPub::CONTEXT,
-                       'id' => System::baseUrl() . '/activity/' . System::createGUID(),
+                       'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
                        'type' => 'dfrn:relocate',
                        'actor' => $owner['url'],
                        'object' => $owner['url'],
@@ -1473,7 +1582,7 @@ class Transmitter
                }
 
                $data = ['@context' => ActivityPub::CONTEXT,
-                       'id' => System::baseUrl() . '/activity/' . System::createGUID(),
+                       'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
                        'type' => 'Delete',
                        'actor' => $owner['url'],
                        'object' => $owner['url'],
@@ -1504,7 +1613,7 @@ class Transmitter
                $profile = APContact::getByURL($owner['url']);
 
                $data = ['@context' => ActivityPub::CONTEXT,
-                       'id' => System::baseUrl() . '/activity/' . System::createGUID(),
+                       'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
                        'type' => 'Update',
                        'actor' => $owner['url'],
                        'object' => self::getProfile($uid),
@@ -1541,7 +1650,7 @@ class Transmitter
                $owner = User::getOwnerDataById($uid);
 
                if (empty($id)) {
-                       $id = System::baseUrl() . '/activity/' . System::createGUID();
+                       $id = DI::baseUrl() . '/activity/' . System::createGUID();
                }
 
                $data = ['@context' => ActivityPub::CONTEXT,
@@ -1598,7 +1707,7 @@ class Transmitter
                $owner = User::getOwnerDataById($uid);
 
                $data = ['@context' => ActivityPub::CONTEXT,
-                       'id' => System::baseUrl() . '/activity/' . System::createGUID(),
+                       'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
                        'type' => 'Follow',
                        'actor' => $owner['url'],
                        'object' => $object,
@@ -1630,7 +1739,7 @@ class Transmitter
 
                $owner = User::getOwnerDataById($uid);
                $data = ['@context' => ActivityPub::CONTEXT,
-                       'id' => System::baseUrl() . '/activity/' . System::createGUID(),
+                       'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
                        'type' => 'Accept',
                        'actor' => $owner['url'],
                        'object' => [
@@ -1667,7 +1776,7 @@ class Transmitter
 
                $owner = User::getOwnerDataById($uid);
                $data = ['@context' => ActivityPub::CONTEXT,
-                       'id' => System::baseUrl() . '/activity/' . System::createGUID(),
+                       'id' => DI::baseUrl() . '/activity/' . System::createGUID(),
                        'type' => 'Reject',
                        'actor' => $owner['url'],
                        'object' => [
@@ -1707,7 +1816,7 @@ class Transmitter
                        return;
                }
 
-               $id = System::baseUrl() . '/activity/' . System::createGUID();
+               $id = DI::baseUrl() . '/activity/' . System::createGUID();
 
                $owner = User::getOwnerDataById($uid);
                $data = ['@context' => ActivityPub::CONTEXT,