]> git.mxchange.org Git - friendica.git/blobdiff - src/Content/Item.php
Decouple conversation creation from rendering
[friendica.git] / src / Content / Item.php
index 0d4c3c180b3a08c2277b627aa7a814a7360cf4e0..bd3c6d774b8d55abe702604c3c7176f4a75a7c16 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2010-2022, the Friendica project
+ * @copyright Copyright (C) 2010-2023, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
 
 namespace Friendica\Content;
 
+use Friendica\App;
+use Friendica\App\BaseURL;
 use Friendica\Content\Text\BBCode;
+use Friendica\Content\Text\BBCode\Video;
 use Friendica\Content\Text\HTML;
 use Friendica\Core\Hook;
 use Friendica\Core\L10n;
 use Friendica\Core\Logger;
+use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
 use Friendica\Core\Protocol;
 use Friendica\Core\Session\Capability\IHandleUserSessions;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
+use Friendica\Model\Attach;
 use Friendica\Model\Contact;
-use Friendica\Model\Group;
+use Friendica\Model\Conversation;
+use Friendica\Model\FileTag;
+use Friendica\Model\Circle;
 use Friendica\Model\Item as ItemModel;
 use Friendica\Model\Photo;
 use Friendica\Model\Tag;
 use Friendica\Model\Post;
+use Friendica\Model\User;
+use Friendica\Network\HTTPException;
+use Friendica\Object\EMail\ItemCCEMail;
 use Friendica\Protocol\Activity;
+use Friendica\Util\ACLFormatter;
+use Friendica\Util\DateTimeFormat;
+use Friendica\Util\Emailer;
+use Friendica\Util\ParseUrl;
 use Friendica\Util\Profiler;
 use Friendica\Util\Proxy;
 use Friendica\Util\XML;
@@ -54,42 +68,61 @@ class Item
        private $profiler;
        /** @var IHandleUserSessions */
        private $userSession;
-
-       public function __construct(Profiler $profiler, Activity $activity, L10n $l10n, IHandleUserSessions $userSession)
+       /** @var Video */
+       private $bbCodeVideo;
+       /** @var ACLFormatter */
+       private $aclFormatter;
+       /** @var IManagePersonalConfigValues */
+       private $pConfig;
+       /** @var BaseURL */
+       private $baseURL;
+       /** @var Emailer */
+       private $emailer;
+       /** @var App */
+       private $app;
+
+       public function __construct(Profiler $profiler, Activity $activity, L10n $l10n, IHandleUserSessions $userSession, Video $bbCodeVideo, ACLFormatter $aclFormatter, IManagePersonalConfigValues $pConfig, BaseURL $baseURL, Emailer $emailer, App $app)
        {
-               $this->profiler    = $profiler;
-               $this->activity    = $activity;
-               $this->l10n        = $l10n;
-               $this->userSession = $userSession;
+               $this->profiler     = $profiler;
+               $this->activity     = $activity;
+               $this->l10n         = $l10n;
+               $this->userSession  = $userSession;
+               $this->bbCodeVideo  = $bbCodeVideo;
+               $this->aclFormatter = $aclFormatter;
+               $this->baseURL      = $baseURL;
+               $this->pConfig      = $pConfig;
+               $this->emailer      = $emailer;
+               $this->app          = $app;
        }
 
        /**
-        * Return array with details for categories and folders for an item
+        * Lists categories and folders for an item
         *
         * @param array $item
         * @param int   $uid
-        * @return [array, array]
-        *
+        * @return array
         * [
-        *      [ // categories array
-        *          {
-        *               'name': 'category name',
-        *               'removeurl': 'url to remove this category',
-        *               'first': 'is the first in this array? true/false',
-        *               'last': 'is the last in this array? true/false',
-        *           } ,
-        *           ....
-        *       ],
-        *       [ //folders array
-        *                      {
-        *               'name': 'folder name',
-        *               'removeurl': 'url to remove this folder',
-        *               'first': 'is the first in this array? true/false',
-        *               'last': 'is the last in this array? true/false',
-        *           } ,
-        *           ....
-        *       ]
-        *  ]
+        *     [ // categories array
+        *         {
+        *             'name': 'category name',
+        *             'removeurl': 'url to remove this category',
+        *             'first': 'is the first in this array? true/false',
+        *             'last': 'is the last in this array? true/false',
+        *         },
+        *         ...
+        *     ],
+        *     [ //folders array
+        *         {
+        *             'name': 'folder name',
+        *             'removeurl': 'url to remove this folder',
+        *             'first': 'is the first in this array? true/false',
+        *             'last': 'is the last in this array? true/false',
+        *         } ,
+        *         ...
+        *     ]
+        * ]
+        *
+        * @throws \Exception
         */
        public function determineCategoriesTerms(array $item, int $uid = 0): array
        {
@@ -103,9 +136,9 @@ class Item
                        return [$categories, $folders];
                }
 
-               foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::CATEGORY) as $savedFolderName) {
+               foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid) as $savedFolderName) {
                        if (!empty($item['author-link'])) {
-                               $url = $item['author-link'] . "?category=" . rawurlencode($savedFolderName);
+                               $url = $item['author-link'] . '/conversations?category=' . rawurlencode($savedFolderName);
                        } else {
                                $url = '#';
                        }
@@ -191,15 +224,13 @@ class Item
 
                                // select someone by nick in the current network
                                if (!DBA::isResult($contact) && ($network != '')) {
-                                       $condition = ["`nick` = ? AND `network` = ? AND `uid` = ?",
-                                               $name, $network, $profile_uid];
+                                       $condition = ['nick' => $name, 'network' => $network, 'uid' => $profile_uid];
                                        $contact = DBA::selectFirst('contact', $fields, $condition);
                                }
 
                                // select someone by attag in the current network
                                if (!DBA::isResult($contact) && ($network != '')) {
-                                       $condition = ["`attag` = ? AND `network` = ? AND `uid` = ?",
-                                               $name, $network, $profile_uid];
+                                       $condition = ['attag' => $name, 'network' => $network, 'uid' => $profile_uid];
                                        $contact = DBA::selectFirst('contact', $fields, $condition);
                                }
 
@@ -211,13 +242,13 @@ class Item
 
                                // select someone by nick in any network
                                if (!DBA::isResult($contact)) {
-                                       $condition = ["`nick` = ? AND `uid` = ?", $name, $profile_uid];
+                                       $condition = ['nick' => $name, 'uid' => $profile_uid];
                                        $contact = DBA::selectFirst('contact', $fields, $condition);
                                }
 
                                // select someone by attag in any network
                                if (!DBA::isResult($contact)) {
-                                       $condition = ["`attag` = ? AND `uid` = ?", $name, $profile_uid];
+                                       $condition = ['attag' => $name, 'uid' => $profile_uid];
                                        $contact = DBA::selectFirst('contact', $fields, $condition);
                                }
 
@@ -239,7 +270,7 @@ class Item
                                $replaced = true;
                                // create profile link
                                $profile = str_replace(',', '%2c', $profile);
-                               $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
+                               $newtag = $tag_type . '[url=' . $profile . ']' . $newname . '[/url]';
                                $body = str_replace($tag_type . $name, $newtag, $body);
                        }
                }
@@ -263,8 +294,10 @@ class Item
                        $xmlhead = '<?xml version="1.0" encoding="UTF-8" ?>';
 
                        if ($this->activity->match($item['verb'], Activity::TAG)) {
-                               $fields = ['author-id', 'author-link', 'author-name', 'author-network',
-                                       'verb', 'object-type', 'resource-id', 'body', 'plink'];
+                               $fields = [
+                                       'author-id', 'author-link', 'author-name', 'author-network',
+                                       'verb', 'object-type', 'resource-id', 'body', 'plink'
+                               ];
                                $obj = Post::selectFirst($fields, ['uri' => $item['parent-uri']]);
                                if (!DBA::isResult($obj)) {
                                        $this->profiler->stopRecording();
@@ -272,18 +305,20 @@ class Item
                                }
 
                                $author_arr = [
-                                       'uid' => 0,
-                                       'id' => $item['author-id'],
+                                       'uid'     => 0,
+                                       'id'      => $item['author-id'],
                                        'network' => $item['author-network'],
-                                       'url' => $item['author-link'],
+                                       'url'     => $item['author-link'],
+                                       'alias'   => $item['author-alias'],
                                ];
                                $author  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
 
                                $author_arr = [
-                                       'uid' => 0,
-                                       'id' => $obj['author-id'],
+                                       'uid'     => 0,
+                                       'id'      => $obj['author-id'],
                                        'network' => $obj['author-network'],
-                                       'url' => $obj['author-link'],
+                                       'url'     => $obj['author-link'],
+                                       'alias'   => $obj['author-alias'],
                                ];
                                $objauthor  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
 
@@ -301,12 +336,12 @@ class Item
                                        default:
                                                if ($obj['resource-id']) {
                                                        $post_type = $this->l10n->t('photo');
-                                                       $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
-                                                       $rr['plink'] = $m[1];
+                                                       preg_match("/\[url=([^]]*)\]/", $obj['body'], $matches);
+                                                       $rr['plink'] = $matches[1];
                                                } else {
                                                        $post_type = $this->l10n->t('status');
                                                }
-                                               // Let's break everthing ... ;-)
+                                               // Let's break everything ... ;-)
                                                break;
                                }
                                $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
@@ -339,13 +374,18 @@ class Item
                }
 
                $author = [
-                       'uid' => 0,
-                       'id' => $item['author-id'],
+                       'uid'     => 0,
+                       'id'      => $item['author-id'],
                        'network' => $item['author-network'],
-                       'url' => $item['author-link'],
+                       'url'     => $item['author-link'],
+                       'alias'   => $item['author-alias'],
                ];
                $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
-               $sparkle = (strpos($profile_link, 'contact/redir/') === 0);
+               if (strpos($profile_link, 'contact/redir/') === 0) {
+                       $status_link  = $profile_link . '?' . http_build_query(['url' => $item['author-link'] . '/status']);
+                       $photos_link  = $profile_link . '?' . http_build_query(['url' => $item['author-link'] . '/photos']);
+                       $profile_link = $profile_link . '?' . http_build_query(['url' => $item['author-link'] . '/profile']);
+               }
 
                $cid = 0;
                $pcid = $item['author-id'];
@@ -359,17 +399,12 @@ class Item
                        $rel = $contact['rel'];
                }
 
-               if ($sparkle) {
-                       $status_link = $profile_link . '/status';
-                       $photos_link = str_replace('/profile/', '/photos/', $profile_link);
-                       $profile_link = $profile_link . '/profile';
-               }
-
                if (!empty($pcid)) {
-                       $contact_url = 'contact/' . $pcid;
-                       $posts_link  = $contact_url . '/posts';
-                       $block_link  = $item['self'] ? '' : $contact_url . '/block?t=' . $formSecurityToken;
-                       $ignore_link = $item['self'] ? '' : $contact_url . '/ignore?t=' . $formSecurityToken;
+                       $contact_url   = 'contact/' . $pcid;
+                       $posts_link    = $contact_url . '/posts';
+                       $block_link    = $item['self'] ? '' : $contact_url . '/block?t=' . $formSecurityToken;
+                       $ignore_link   = $item['self'] ? '' : $contact_url . '/ignore?t=' . $formSecurityToken;
+                       $collapse_link = $item['self'] ? '' : $contact_url . '/collapse?t=' . $formSecurityToken;
                }
 
                if ($cid && !$item['self']) {
@@ -391,7 +426,8 @@ class Item
                                $this->l10n->t('View Contact') => $contact_url,
                                $this->l10n->t('Send PM') => $pm_url,
                                $this->l10n->t('Block') => $block_link,
-                               $this->l10n->t('Ignore') => $ignore_link
+                               $this->l10n->t('Ignore') => $ignore_link,
+                               $this->l10n->t('Collapse') => $collapse_link
                        ];
 
                        if (!empty($item['language'])) {
@@ -399,7 +435,8 @@ class Item
                        }
 
                        if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
-                               in_array($item['network'], Protocol::FEDERATED)) {
+                               in_array($item['network'], Protocol::FEDERATED)
+                       ) {
                                $menu[$this->l10n->t('Connect/Follow')] = 'contact/follow?url=' . urlencode($item['author-link']) . '&auto=1';
                        }
                } else {
@@ -450,16 +487,16 @@ class Item
        {
                // Look for any tags and linkify them
                $item['inform'] = '';
-               $private_forum  = false;
+               $private_group  = false;
                $private_id     = null;
-               $only_to_forum  = false;
-               $forum_contact  = [];
+               $only_to_group  = false;
+               $group_contact  = [];
                $receivers      = [];
 
                // Convert mentions in the body to a unified format
                $item['body'] = BBCode::setMentions($item['body'], $item['uid'], $item['network']);
 
-               // Search for forum mentions
+               // Search for group mentions
                foreach (Tag::getFromBody($item['body'], Tag::TAG_CHARACTER[Tag::MENTION] . Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]) as $tag) {
                        $contact = Contact::getByURLForUser($tag[2], $item['uid']);
                        if (empty($contact)) {
@@ -478,42 +515,50 @@ class Item
                        }
 
                        if (!empty($contact['prv']) || ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
-                               $private_forum = $contact['prv'];
-                               $only_to_forum = ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
+                               $private_group = $contact['prv'];
+                               $only_to_group = ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
                                $private_id = $contact['id'];
-                               $forum_contact = $contact;
-                               Logger::info('Private forum or exclusive mention', ['url' => $tag[2], 'mention' => $tag[1]]);
+                               $group_contact = $contact;
+                               Logger::info('Private group or exclusive mention', ['url' => $tag[2], 'mention' => $tag[1]]);
                        } elseif ($item['allow_cid'] == '<' . $contact['id'] . '>') {
-                               $private_forum = false;
-                               $only_to_forum = true;
+                               $private_group = false;
+                               $only_to_group = true;
                                $private_id = $contact['id'];
-                               $forum_contact = $contact;
-                               Logger::info('Public forum', ['url' => $tag[2], 'mention' => $tag[1]]);
+                               $group_contact = $contact;
+                               Logger::info('Public group', ['url' => $tag[2], 'mention' => $tag[1]]);
                        } else {
-                               Logger::info('Post with forum mention will not be converted to a forum post', ['url' => $tag[2], 'mention' => $tag[1]]);
+                               Logger::info('Post with group mention will not be converted to a group post', ['url' => $tag[2], 'mention' => $tag[1]]);
                        }
                }
                Logger::info('Got inform', ['inform' => $item['inform']]);
 
-               if (($item['gravity'] == ItemModel::GRAVITY_PARENT) && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
-                       // we tagged a forum in a top level post. Now we change the post
-                       $item['private'] = $private_forum ? ItemModel::PRIVATE : ItemModel::UNLISTED;
-
-                       if ($only_to_forum) {
+               if (($item['gravity'] == ItemModel::GRAVITY_PARENT) && !empty($group_contact) && ($private_group || $only_to_group)) {
+                       // we tagged a group in a top level post. Now we change the post
+                       $item['private'] = $private_group ? ItemModel::PRIVATE : ItemModel::UNLISTED;
+
+                       if ($only_to_group) {
+                               $cdata = Contact::getPublicAndUserContactID($group_contact['id'], $item['uid']);
+                               if (!empty($cdata['user'])) {
+                                       $item['owner-id'] = $cdata['user'];
+                                       unset($item['owner-link']);
+                                       unset($item['owner-name']);
+                                       unset($item['owner-avatar']);
+                               }
+       
                                $item['postopts'] = '';
                        }
 
                        $item['deny_cid'] = '';
                        $item['deny_gid'] = '';
 
-                       if ($private_forum) {
+                       if ($private_group) {
                                $item['allow_cid'] = '<' . $private_id . '>';
-                               $item['allow_gid'] = '<' . Group::getIdForForum($forum_contact['id']) . '>';
+                               $item['allow_gid'] = '<' . Circle::getIdForGroup($group_contact['id']) . '>';
                        } else {
                                $item['allow_cid'] = '';
                                $item['allow_gid'] = '';
                        }
-               } elseif ($setPermissions && ($item['gravity'] == ItemModel::GRAVITY_PARENT)) {
+               } elseif ($setPermissions) {
                        if (empty($receivers)) {
                                // For security reasons direct posts without any receiver will be posts to yourself
                                $self = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
@@ -650,11 +695,11 @@ class Item
 
                // If it is a reshared post then reformat it to avoid display problems with two share elements
                if (!empty($shared)) {
-                       if (!empty($shared['guid']) && ($encaspulated_share = $this->createSharedPostByGuid($shared['guid'], true))) {
+                       if (!empty($shared['guid']) && ($encapsulated_share = $this->createSharedPostByGuid($shared['guid'], true))) {
                                if (!empty(BBCode::fetchShareAttributes($item['body']))) {
-                                       $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $encaspulated_share, $item['body']);
+                                       $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $encapsulated_share, $item['body']);
                                } else {
-                                       $item['body'] .= $encaspulated_share;
+                                       $item['body'] .= $encapsulated_share;
                                }
                        }
                        $item['body'] = HTML::toBBCode(BBCode::convertForUriId($item['uri-id'], $item['body'], BBCode::ACTIVITYPUB));
@@ -729,7 +774,7 @@ class Item
                                        'message_id' => $shared['uri'],
                                        'comment'    => $item['body'],
                                        'shared'     => $shared['body'],
-                               ];                              
+                               ];
                        }
                }
 
@@ -737,7 +782,7 @@ class Item
        }
 
        /**
-        * Add a link to a shared post at the end of the post 
+        * Add a link to a shared post at the end of the post
         *
         * @param string  $body
         * @param integer $quote_uri_id
@@ -756,4 +801,260 @@ class Item
 
                return $body;
        }
+
+       public function storeAttachmentFromRequest(array $request): string
+       {
+               $attachment_type  = $request['attachment_type'] ??  '';
+               $attachment_title = $request['attachment_title'] ?? '';
+               $attachment_text  = $request['attachment_text'] ??  '';
+
+               $attachment_url     = hex2bin($request['attachment_url'] ??     '');
+               $attachment_img_src = hex2bin($request['attachment_img_src'] ?? '');
+
+               $attachment_img_width  = $request['attachment_img_width'] ??  0;
+               $attachment_img_height = $request['attachment_img_height'] ?? 0;
+
+               // Fetch the basic attachment data
+               $attachment = ParseUrl::getSiteinfoCached($attachment_url);
+               unset($attachment['keywords']);
+
+               // Overwrite the basic data with possible changes from the frontend
+               $attachment['type'] = $attachment_type;
+               $attachment['title'] = $attachment_title;
+               $attachment['text'] = $attachment_text;
+               $attachment['url'] = $attachment_url;
+
+               if (!empty($attachment_img_src)) {
+                       $attachment['images'] = [
+                               0 => [
+                                       'src'    => $attachment_img_src,
+                                       'width'  => $attachment_img_width,
+                                       'height' => $attachment_img_height
+                               ]
+                       ];
+               } else {
+                       unset($attachment['images']);
+               }
+
+               return "\n" . PageInfo::getFooterFromData($attachment);
+       }
+
+       public function addCategories(array $post, string $category): array
+       {
+               if (!empty($post['file'])) {
+                       // get the "fileas" tags for this post
+                       $filedas = FileTag::fileToArray($post['file']);
+               }
+
+               $list_array = explode(',', trim($category));
+               $post['file'] = FileTag::arrayToFile($list_array, 'category');
+
+               if (!empty($filedas) && is_array($filedas)) {
+                       // append the fileas stuff to the new categories list
+                       $post['file'] .= FileTag::arrayToFile($filedas);
+               }
+               return $post;
+       }
+
+       public function getACL(array $post, array $toplevel_item, array $request): array
+       {
+               // If this is a comment, set the permissions from the parent.
+               if ($toplevel_item) {
+                       $post['allow_cid'] = $toplevel_item['allow_cid'] ?? '';
+                       $post['allow_gid'] = $toplevel_item['allow_gid'] ?? '';
+                       $post['deny_cid']  = $toplevel_item['deny_cid'] ?? '';
+                       $post['deny_gid']  = $toplevel_item['deny_gid'] ?? '';
+                       $post['private']   = $toplevel_item['private'];
+                       return $post;
+               }
+
+               $user = User::getById($post['uid'], ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid']);
+               if (!$user) {
+                       throw new HTTPException\NotFoundException($this->l10n->t('Unable to fetch user.'));
+               }
+
+               $post['allow_cid'] = isset($request['contact_allow']) ? $this->aclFormatter->toString($request['contact_allow']) : $user['allow_cid'] ?? '';
+               $post['allow_gid'] = isset($request['circle_allow'])  ? $this->aclFormatter->toString($request['circle_allow'])  : $user['allow_gid'] ?? '';
+               $post['deny_cid']  = isset($request['contact_deny'])  ? $this->aclFormatter->toString($request['contact_deny'])  : $user['deny_cid']  ?? '';
+               $post['deny_gid']  = isset($request['circle_deny'])   ? $this->aclFormatter->toString($request['circle_deny'])   : $user['deny_gid']  ?? '';
+
+               $visibility = $request['visibility'] ?? '';
+               if ($visibility === 'public') {
+                       // The ACL selector introduced in version 2019.12 sends ACL input data even when the Public visibility is selected
+                       $post['allow_cid'] = $post['allow_gid'] = $post['deny_cid'] = $post['deny_gid'] = '';
+               } else if ($visibility === 'custom') {
+                       // Since we know from the visibility parameter the item should be private, we have to prevent the empty ACL
+                       // case that would make it public. So we always append the author's contact id to the allowed contacts.
+                       // See https://github.com/friendica/friendica/issues/9672
+                       $post['allow_cid'] .= $this->aclFormatter->toString(Contact::getPublicIdByUserId($post['uid']));
+               }
+
+               if ($post['allow_gid'] || $post['allow_cid'] || $post['deny_gid'] || $post['deny_cid']) {
+                       $post['private'] = ItemModel::PRIVATE;
+               } elseif ($this->pConfig->get($post['uid'], 'system', 'unlisted')) {
+                       $post['private'] = ItemModel::UNLISTED;
+               } else {
+                       $post['private'] = ItemModel::PUBLIC;
+               }
+
+               return $post;
+       }
+
+       public function moveAttachmentsFromBodyToAttach(array $post): array
+       {
+               if (!preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/', $post['body'], $match)) {
+                       return $post;
+               }
+
+               foreach ($match[2] as $attachment_id) {
+                       $attachment = Attach::selectFirst(['id', 'uid', 'filename', 'filesize', 'filetype'], ['id' => $attachment_id, 'uid' => $post['uid']]);
+                       if (empty($attachment)) {
+                               continue;
+                       }
+                       if ($post['attach']) {
+                               $post['attach'] .= ',';
+                       }
+                       $post['attach'] .= Post\Media::getAttachElement(
+                               $this->baseURL . '/attach/' . $attachment['id'],
+                               $attachment['filesize'],
+                               $attachment['filetype'],
+                               $attachment['filename'] ?? ''
+                       );
+
+                       $fields = [
+                               'allow_cid' => $post['allow_cid'], 'allow_gid' => $post['allow_gid'],
+                               'deny_cid' => $post['deny_cid'], 'deny_gid' => $post['deny_gid']
+                       ];
+                       $condition = ['id' => $attachment_id];
+                       Attach::update($fields, $condition);
+               }
+
+               $post['body'] = str_replace($match[1], '', $post['body']);
+
+               return $post;
+       }
+
+       private function setObjectType(array $post): array
+       {
+               if (empty($post['post-type'])) {
+                       $post['post-type'] = empty($post['title']) ? ItemModel::PT_NOTE : ItemModel::PT_ARTICLE;
+               }
+
+               // embedded bookmark or attachment in post? set bookmark flag
+               $data = BBCode::getAttachmentData($post['body']);
+               if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $post['body'], $match, PREG_SET_ORDER) || !empty($data['type']))
+                       && ($post['post-type'] != ItemModel::PT_PERSONAL_NOTE)
+               ) {
+                       $post['post-type'] = ItemModel::PT_PAGE;
+                       $post['object-type'] = Activity\ObjectType::BOOKMARK;
+               }
+
+               // Setting the object type if not defined before
+               if (empty($post['object-type'])) {
+                       $post['object-type'] = ($post['gravity'] == ItemModel::GRAVITY_PARENT) ? Activity\ObjectType::NOTE : Activity\ObjectType::COMMENT;
+               }
+               return $post;
+       }
+
+       public function initializePost(array $post): array
+       {
+               $post['network']    = Protocol::DFRN;
+               $post['protocol']   = Conversation::PARCEL_DIRECT;
+               $post['direction']  = Conversation::PUSH;
+               $post['received']   = DateTimeFormat::utcNow();
+               $post['origin']     = true;
+               $post['wall']       = $post['wall'] ?? true;
+               $post['guid']       = $post['guid'] ?? System::createUUID();
+               $post['verb']       = $post['verb'] ?? Activity::POST;
+               $post['uri']        = $post['uri'] ?? ItemModel::newURI($post['guid']);
+               $post['thr-parent'] = $post['thr-parent'] ?? $post['uri'];
+
+               if (empty($post['gravity'])) {
+                       $post['gravity'] = ($post['uri'] == $post['thr-parent']) ? ItemModel::GRAVITY_PARENT : ItemModel::GRAVITY_COMMENT;
+               }
+
+               $owner = User::getOwnerDataById($post['uid']);
+
+               if (!isset($post['allow_cid']) || !isset($post['allow_gid']) || !isset($post['deny_cid']) || !isset($post['deny_gid'])) {
+                       $post['allow_cid'] = $owner['allow_cid'];
+                       $post['allow_gid'] = $owner['allow_gid'];
+                       $post['deny_cid']  = $owner['deny_cid'];
+                       $post['deny_gid']  = $owner['deny_gid'];
+               }
+
+               if ($post['allow_gid'] || $post['allow_cid'] || $post['deny_gid'] || $post['deny_cid']) {
+                       $post['private'] = ItemModel::PRIVATE;
+               } elseif ($this->pConfig->get($post['uid'], 'system', 'unlisted')) {
+                       $post['private'] = ItemModel::UNLISTED;
+               } else {
+                       $post['private'] = ItemModel::PUBLIC;
+               }
+
+               if (empty($post['contact-id'])) {
+                       $post['contact-id'] = $owner['id'];
+               }
+
+               if (empty($post['author-link']) && empty($post['author-id'])) {
+                       $post['author-link']   = $owner['url'];
+                       $post['author-id']     = Contact::getIdForURL($post['author-link']);
+                       $post['author-name']   = $owner['name'];
+                       $post['author-avatar'] = $owner['thumb'];
+               }
+
+               if (empty($post['owner-link']) && empty($post['owner-id'])) {
+                       $post['owner-link']   = $post['author-link'];
+                       $post['owner-id']     = Contact::getIdForURL($post['owner-link']);
+                       $post['owner-name']   = $post['author-name'];
+                       $post['owner-avatar'] = $post['author-avatar'];
+               }
+
+               return $post;
+       }
+
+       public function finalizePost(array $post): array
+       {
+               if (preg_match("/\[attachment\](.*?)\[\/attachment\]/ism", $post['body'], $matches)) {
+                       $post['body'] = preg_replace("/\[attachment].*?\[\/attachment\]/ism", PageInfo::getFooterFromUrl($matches[1]), $post['body']);
+               }
+
+               // Convert links with empty descriptions to links without an explicit description
+               $post['body'] = trim(preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $post['body']));
+               $post['body'] = $this->bbCodeVideo->transform($post['body']);
+               $post = $this->setObjectType($post);
+
+               // Personal notes must never be altered to a group post.
+               if ($post['post-type'] != ItemModel::PT_PERSONAL_NOTE) {
+                       // Look for any tags and linkify them
+                       $post = $this->expandTags($post);
+               }
+
+               return $post;
+       }
+
+       public function postProcessPost(array $post, array $recipients = [])
+       {
+               if (!\Friendica\Content\Feature::isEnabled($post['uid'], 'explicit_mentions') && ($post['gravity'] == ItemModel::GRAVITY_COMMENT)) {
+                       Tag::createImplicitMentions($post['uri-id'], $post['thr-parent-id']);
+               }
+
+               Hook::callAll('post_local_end', $post);
+
+               $author = DBA::selectFirst('contact', ['thumb'], ['uid' => $post['uid'], 'self' => true]);
+
+               foreach ($recipients as $recipient) {
+                       $address = trim($recipient);
+                       if (!$address) {
+                               continue;
+                       }
+
+                       $this->emailer->send(new ItemCCEMail(
+                               $this->app,
+                               $this->l10n,
+                               $this->baseURL,
+                               $post,
+                               $address,
+                               $author['thumb'] ?? ''
+                       ));
+               }
+       }
 }