]> git.mxchange.org Git - friendica.git/blobdiff - src/Protocol/ActivityPub/Transmitter.php
Merge remote-tracking branch 'upstream/2022.05-rc' into bulk-delivery
[friendica.git] / src / Protocol / ActivityPub / Transmitter.php
index c65265396ed5068dda232f0fd1d0550e418b974f..baaaba0680e45100177a048ea5f70e7c4aa5ddce 100644 (file)
@@ -146,16 +146,16 @@ class Transmitter
        /**
         * Collects a list of contacts of the given owner
         *
-        * @param array     $owner     Owner array
-        * @param int|array $rel       The relevant value(s) contact.rel should match
-        * @param string    $module    The name of the relevant AP endpoint module (followers|following)
-        * @param integer   $page      Page number
-        * @param string    $requester URL of the requester
+        * @param array   $owner     Owner array
+        * @param array   $rel       The relevant value(s) contact.rel should match
+        * @param string  $module    The name of the relevant AP endpoint module (followers|following)
+        * @param integer $page      Page number
+        * @param string  $requester URL of the requester
         *
         * @return array of owners
         * @throws \Exception
         */
-       public static function getContacts($owner, $rel, $module, $page = null, string $requester = null)
+       public static function getContacts(array $owner, array $rel, string $module, int $page = null, string $requester = null)
        {
                $parameters = [
                        'rel' => $rel,
@@ -179,6 +179,10 @@ class Transmitter
                $data['type'] = 'OrderedCollection';
                $data['totalItems'] = $total;
 
+               if (!empty($page)) {
+                       $data['id'] .= '?' . http_build_query(['page' => $page]);
+               }
+
                // When we hide our friends we will only show the pure number but don't allow more.
                $show_contacts = empty($owner['hide-friends']);
 
@@ -203,7 +207,7 @@ class Transmitter
                        }
                        DBA::close($contacts);
 
-                       if (!empty($list)) {
+                       if (count($list) == 100) {
                                $data['next'] = DI::baseUrl() . $modulePath . $owner['nickname'] . '?page=' . ($page + 1);
                        }
 
@@ -226,7 +230,7 @@ class Transmitter
         * @throws \Friendica\Network\HTTPException\InternalServerErrorException
         * @throws \ImagickException
         */
-       public static function getOutbox($owner, $page = null, $requester = '')
+       public static function getOutbox(array $owner, int $page = null, string $requester = '')
        {
                $condition = ['private' => [Item::PUBLIC, Item::UNLISTED]];
 
@@ -258,6 +262,10 @@ class Transmitter
                $data['type'] = 'OrderedCollection';
                $data['totalItems'] = $count;
 
+               if (!empty($page)) {
+                       $data['id'] .= '?' . http_build_query(['page' => $page]);
+               }
+
                if (empty($page)) {
                        $data['first'] = DI::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=1';
                } else {
@@ -276,7 +284,7 @@ class Transmitter
                        }
                        DBA::close($items);
 
-                       if (!empty($list)) {
+                       if (count($list) == 20) {
                                $data['next'] = DI::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=' . ($page + 1);
                        }
 
@@ -288,6 +296,75 @@ class Transmitter
                return $data;
        }
 
+       /**
+        * Public posts for the given owner
+        *
+        * @param array   $owner Owner array
+        * @param integer $page  Page number
+        *
+        * @return array of posts
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        */
+       public static function getFeatured(array $owner, int $page = null)
+       {
+               $condition = ["`uri-id` IN (SELECT `uri-id` FROM `collection-view` WHERE `cid` = ? AND `type` = ?)",
+                       Contact::getIdForURL($owner['url'], 0, false), Post\Collection::FEATURED];
+
+               $condition = DBA::mergeConditions($condition,
+                       ['uid'           => $owner['uid'],
+                       'author-id'      => Contact::getIdForURL($owner['url'], 0, false),
+                       'private'        => [Item::PUBLIC, Item::UNLISTED],
+                       'gravity'        => [GRAVITY_PARENT, GRAVITY_COMMENT],
+                       'network'        => Protocol::FEDERATED,
+                       'parent-network' => Protocol::FEDERATED,
+                       'origin'         => true,
+                       'deleted'        => false,
+                       'visible'        => true]);
+
+               $count = Post::count($condition);
+
+               $data = ['@context' => ActivityPub::CONTEXT];
+               $data['id'] = DI::baseUrl() . '/featured/' . $owner['nickname'];
+               $data['type'] = 'OrderedCollection';
+               $data['totalItems'] = $count;
+
+               if (!empty($page)) {
+                       $data['id'] .= '?' . http_build_query(['page' => $page]);
+               }
+
+               if (empty($page)) {
+                       $items = Post::select(['id'], $condition, ['limit' => 20, 'order' => ['created' => true]]);
+               } else {
+                       $data['type'] = 'OrderedCollectionPage';
+                       $items = Post::select(['id'], $condition, ['limit' => [($page - 1) * 20, 20], 'order' => ['created' => true]]);
+               }
+               $list = [];
+
+               while ($item = Post::fetch($items)) {
+                       $activity = self::createActivityFromItem($item['id'], true);
+                       $activity['type'] = $activity['type'] == 'Update' ? 'Create' : $activity['type'];
+
+                       // Only list "Create" activity objects here, no reshares
+                       if (!empty($activity['object']) && ($activity['type'] == 'Create')) {
+                               $list[] = $activity['object'];
+                       }
+               }
+               DBA::close($items);
+
+               if (count($list) == 20) {
+                       $data['next'] = DI::baseUrl() . '/featured/' . $owner['nickname'] . '?page=' . ($page + 1);
+               }
+
+               if (!empty($page)) {
+                       $data['partOf'] = DI::baseUrl() . '/featured/' . $owner['nickname'];
+               }
+
+               $data['orderedItems'] = $list;
+
+               return $data;
+       }
+
        /**
         * Return the service array containing information the used software and it's url
         *
@@ -328,8 +405,9 @@ class Transmitter
                if ($uid != 0) {
                        $data['following'] = DI::baseUrl() . '/following/' . $owner['nick'];
                        $data['followers'] = DI::baseUrl() . '/followers/' . $owner['nick'];
-                       $data['inbox'] = DI::baseUrl() . '/inbox/' . $owner['nick'];
-                       $data['outbox'] = DI::baseUrl() . '/outbox/' . $owner['nick'];
+                       $data['inbox']     = DI::baseUrl() . '/inbox/' . $owner['nick'];
+                       $data['outbox']    = DI::baseUrl() . '/outbox/' . $owner['nick'];
+                       $data['featured']  = DI::baseUrl() . '/featured/' . $owner['nick'];
                } else {
                        $data['inbox'] = DI::baseUrl() . '/friendica/inbox';
                }
@@ -427,12 +505,13 @@ class Transmitter
         * Returns an array with permissions of the thread parent of the given item array
         *
         * @param array $item
+        * @param bool  $is_forum_thread
         *
         * @return array with permissions
         * @throws \Friendica\Network\HTTPException\InternalServerErrorException
         * @throws \ImagickException
         */
-       public static function fetchPermissionBlockFromThreadParent($item)
+       private static function fetchPermissionBlockFromThreadParent(array $item, bool $is_forum_thread)
        {
                if (empty($item['thr-parent-id'])) {
                        return [];
@@ -462,7 +541,9 @@ class Transmitter
                $type = [Tag::TO => 'to', Tag::CC => 'cc', Tag::BTO => 'bto', Tag::BCC => 'bcc'];
                foreach (Tag::getByURIId($item['thr-parent-id'], [Tag::TO, Tag::CC, Tag::BTO, Tag::BCC]) as $receiver) {
                        if (!empty($parent_profile['followers']) && $receiver['url'] == $parent_profile['followers'] && !empty($item_profile['followers'])) {
-                               $permissions[$type[$receiver['type']]][] = $item_profile['followers'];
+                               if (!$is_forum_thread) {
+                                       $permissions[$type[$receiver['type']]][] = $item_profile['followers'];
+                               }
                        } elseif (!in_array($receiver['url'], $exclude)) {
                                $permissions[$type[$receiver['type']]][] = $receiver['url'];
                        }
@@ -523,6 +604,14 @@ class Transmitter
                        $always_bcc = true;
                }
 
+               $parent = Post::selectFirst(['causer-link', 'post-reason'], ['id' => $item['parent']]);
+               if (($parent['post-reason'] == Item::PR_ANNOUNCEMENT) && !empty($parent['causer-link'])) {
+                       $profile = APContact::getByURL($parent['causer-link'], false);
+                       $is_forum_thread = isset($profile['type']) && $profile['type'] == 'Group';
+               } else {
+                       $is_forum_thread = false;
+               }
+
                if (self::isAnnounce($item) || DI::config()->get('debug', 'total_ap_delivery') || self::isAPPost($last_id)) {
                        // Will be activated in a later step
                        $networks = Protocol::FEDERATED;
@@ -553,7 +642,7 @@ class Transmitter
                                $data['cc'][] = $announce['actor']['url'];
                        }
 
-                       $data = array_merge($data, self::fetchPermissionBlockFromThreadParent($item));
+                       $data = array_merge($data, self::fetchPermissionBlockFromThreadParent($item, $is_forum_thread));
 
                        // Check if the item is completely public or unlisted
                        if ($item['private'] == Item::PUBLIC) {
@@ -619,7 +708,7 @@ class Transmitter
                }
 
                if (!empty($item['parent'])) {
-                       $parents = Post::select(['id', 'author-link', 'owner-link', 'gravity', 'uri'], ['parent' => $item['parent']]);
+                       $parents = Post::select(['id', 'author-link', 'owner-link', 'gravity', 'uri'], ['parent' => $item['parent']], ['order' => ['id']]);
                        while ($parent = Post::fetch($parents)) {
                                if ($parent['gravity'] == GRAVITY_PARENT) {
                                        $profile = APContact::getByURL($parent['owner-link'], false);
@@ -633,11 +722,11 @@ class Transmitter
                                                                $data['to'][] = $profile['url'];
                                                        } else {
                                                                $data['cc'][] = $profile['url'];
-                                                               if (($item['private'] != Item::PRIVATE) && !empty($actor_profile['followers'])) {
+                                                               if (($item['private'] != Item::PRIVATE) && !empty($actor_profile['followers'])&& !$is_forum_thread) {
                                                                        $data['cc'][] = $actor_profile['followers'];
                                                                }
                                                        }
-                                               } elseif (!$exclusive) {
+                                               } elseif (!$exclusive && !$is_forum_thread) {
                                                        // Public thread parent post always are directed to the followers.
                                                        if ($item['private'] != Item::PRIVATE) {
                                                                $data['cc'][] = $actor_profile['followers'];
@@ -911,6 +1000,7 @@ class Transmitter
                        $mail['title']        = '';
                }
 
+               $mail['content-warning']  = '';
                $mail['author-link']      = $mail['owner-link'] = $mail['from-url'];
                $mail['owner-id']         = $mail['author-id'];
                $mail['allow_cid']        = '<'.$mail['contact-id'].'>';
@@ -1153,6 +1243,7 @@ class Transmitter
 
                if (in_array($data['type'], ['Create', 'Update', 'Delete'])) {
                        $data['object'] = $object ?? self::createNote($item);
+                       $data['published'] = DateTimeFormat::utcNow(DateTimeFormat::ATOM);
                } elseif ($data['type'] == 'Add') {
                        $data = self::createAddTag($item, $data);
                } elseif ($data['type'] == 'Announce') {
@@ -1407,7 +1498,7 @@ class Transmitter
         */
        private static function isSensitive($uri_id)
        {
-               return DBA::exists('tag-view', ['uri-id' => $uri_id, 'name' => 'nsfw']);
+               return DBA::exists('tag-view', ['uri-id' => $uri_id, 'name' => 'nsfw', 'type' => Tag::HASHTAG]);
        }
 
        /**
@@ -1455,10 +1546,28 @@ class Transmitter
                        return [];
                }
 
+               // We are treating posts differently when they are directed to a community.
+               // This is done to better support Lemmy. Most of the changes should work with other systems as well.
+               // But to not risk compatibility issues we currently perform the changes only for communities.
+               if ($item['gravity'] == GRAVITY_PARENT) {
+                       $isCommunityPost = !empty(Tag::getByURIId($item['uri-id'], [Tag::EXCLUSIVE_MENTION]));
+                       $links = Post\Media::getByURIId($item['uri-id'], [Post\Media::HTML]);
+                       if ($isCommunityPost && (count($links) == 1)) {
+                               $link = $links[0]['url'];
+                       }
+               } else {
+                       $isCommunityPost = false;
+               }
+
                if ($item['event-type'] == 'event') {
                        $type = 'Event';
                } elseif (!empty($item['title'])) {
-                       $type = 'Article';
+                       if (!$isCommunityPost || empty($link)) {
+                               $type = 'Article';
+                       } else {
+                               // "Page" is used by Lemmy for posts that contain an external link
+                               $type = 'Page';
+                       }
                } else {
                        $type = 'Note';
                }
@@ -1490,7 +1599,7 @@ class Transmitter
                        $data['updated'] = DateTimeFormat::utc($item['edited'] . '+00:00', DateTimeFormat::ATOM);
                }
 
-               $data['url'] = $item['plink'];
+               $data['url'] = $link ?? $item['plink'];
                $data['attributedTo'] = $item['author-link'];
                $data['sensitive'] = self::isSensitive($item['uri-id']);
                $data['context'] = self::fetchContextURLForItem($item);
@@ -1527,6 +1636,19 @@ class Transmitter
                if ($type == 'Event') {
                        $data = array_merge($data, self::createEvent($item));
                } else {
+                       if ($isCommunityPost) {
+                               // For community posts we remove the visible "!user@domain.tld".
+                               // This improves the look at systems like Lemmy.
+                               // Also in the future we should control the community delivery via other methods.
+                               $body = preg_replace("/!\[url\=[^\[\]]*\][^\[\]]*\[\/url\]/ism", '', $body);
+                       }
+
+                       if ($type == 'Page') {
+                               // When we transmit "Page" posts we have to remove the attachment.
+                               // The attachment contains the link that we already transmit in the "url" field.
+                               $body = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", '', $body);
+                       }
+
                        $body = BBCode::setMentionsToNicknames($body);
 
                        $data['content'] = BBCode::convertForUriId($item['uri-id'], $body, BBCode::ACTIVITYPUB);