src/Content/Item.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2023, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Content;
  23
  24 use Friendica\App\BaseURL;
  25 use Friendica\Content\Text\BBCode;
  26 use Friendica\Content\Text\BBCode\Video;
  27 use Friendica\Content\Text\HTML;
  28 use Friendica\Core\Hook;
  29 use Friendica\Core\L10n;
  30 use Friendica\Core\Logger;
  31 use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
  32 use Friendica\Core\Protocol;
  33 use Friendica\Core\Session\Capability\IHandleUserSessions;
  34 use Friendica\Core\System;
  35 use Friendica\Database\DBA;
  36 use Friendica\Model\Attach;
  37 use Friendica\Model\Contact;
  38 use Friendica\Model\Conversation;
  39 use Friendica\Model\FileTag;
  40 use Friendica\Model\Group;
  41 use Friendica\Model\Item as ItemModel;
  42 use Friendica\Model\Photo;
  43 use Friendica\Model\Tag;
  44 use Friendica\Model\Post;
  45 use Friendica\Model\User;
  46 use Friendica\Network\HTTPException;
  47 use Friendica\Protocol\Activity;
  48 use Friendica\Util\ACLFormatter;
  49 use Friendica\Util\DateTimeFormat;
  50 use Friendica\Util\ParseUrl;
  51 use Friendica\Util\Profiler;
  52 use Friendica\Util\Proxy;
  53 use Friendica\Util\XML;
  54
  55 /**
  56  * A content helper class for displaying items
  57  */
  58 class Item
  59 {
  60         /** @var Activity */
  61         private $activity;
  62         /** @var L10n */
  63         private $l10n;
  64         /** @var Profiler */
  65         private $profiler;
  66         /** @var IHandleUserSessions */
  67         private $userSession;
  68         /** @var Video */
  69         private $bbCodeVideo;
  70         /** @var ACLFormatter */
  71         private $aclFormatter;
  72         /** @var IManagePersonalConfigValues */
  73         private $pConfig;
  74         /** @var BaseURL */
  75         private $baseURL;
  76
  77         public function __construct(Profiler $profiler, Activity $activity, L10n $l10n, IHandleUserSessions $userSession, Video $bbCodeVideo, ACLFormatter $aclFormatter, IManagePersonalConfigValues $pConfig, BaseURL $baseURL)
  78         {
  79                 $this->profiler     = $profiler;
  80                 $this->activity     = $activity;
  81                 $this->l10n         = $l10n;
  82                 $this->userSession  = $userSession;
  83                 $this->bbCodeVideo  = $bbCodeVideo;
  84                 $this->aclFormatter = $aclFormatter;
  85                 $this->baseURL      = $baseURL;
  86                 $this->pConfig      = $pConfig;
  87         }
  88
  89         /**
  90          * Return array with details for categories and folders for an item
  91          *
  92          * @param array $item
  93          * @param int   $uid
  94          * @return [array, array]
  95          *
  96          * [
  97          *      [ // categories array
  98          *          {
  99          *               'name': 'category name',
 100          *               'removeurl': 'url to remove this category',
 101          *               'first': 'is the first in this array? true/false',
 102          *               'last': 'is the last in this array? true/false',
 103          *           } ,
 104          *           ....
 105          *       ],
 106          *       [ //folders array
 107          *                      {
 108          *               'name': 'folder name',
 109          *               'removeurl': 'url to remove this folder',
 110          *               'first': 'is the first in this array? true/false',
 111          *               'last': 'is the last in this array? true/false',
 112          *           } ,
 113          *           ....
 114          *       ]
 115          *  ]
 116          */
 117         public function determineCategoriesTerms(array $item, int $uid = 0): array
 118         {
 119                 $categories = [];
 120                 $folders = [];
 121                 $first = true;
 122
 123                 $uid = $item['uid'] ?: $uid;
 124
 125                 if (empty($item['has-categories'])) {
 126                         return [$categories, $folders];
 127                 }
 128
 129                 foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::CATEGORY) as $savedFolderName) {
 130                         if (!empty($item['author-link'])) {
 131                                 $url = $item['author-link'] . "?category=" . rawurlencode($savedFolderName);
 132                         } else {
 133                                 $url = '#';
 134                         }
 135                         $categories[] = [
 136                                 'name' => $savedFolderName,
 137                                 'url' => $url,
 138                                 'removeurl' => $this->userSession->getLocalUserId() == $uid ? 'filerm/' . $item['id'] . '?cat=' . rawurlencode($savedFolderName) : '',
 139                                 'first' => $first,
 140                                 'last' => false
 141                         ];
 142                         $first = false;
 143                 }
 144
 145                 if (count($categories)) {
 146                         $categories[count($categories) - 1]['last'] = true;
 147                 }
 148
 149                 if ($this->userSession->getLocalUserId() == $uid) {
 150                         foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::FILE) as $savedFolderName) {
 151                                 $folders[] = [
 152                                         'name' => $savedFolderName,
 153                                         'url' => "#",
 154                                         'removeurl' => $this->userSession->getLocalUserId() == $uid ? 'filerm/' . $item['id'] . '?term=' . rawurlencode($savedFolderName) : '',
 155                                         'first' => $first,
 156                                         'last' => false
 157                                 ];
 158                                 $first = false;
 159                         }
 160                 }
 161
 162                 if (count($folders)) {
 163                         $folders[count($folders) - 1]['last'] = true;
 164                 }
 165
 166                 return [$categories, $folders];
 167         }
 168
 169         /**
 170          * This function removes the tag $tag from the text $body and replaces it with
 171          * the appropriate link.
 172          *
 173          * @param string $body        the text to replace the tag in
 174          * @param int    $profile_uid the user id to replace the tag for (0 = anyone)
 175          * @param string $tag         the tag to replace
 176          * @param string $network     The network of the post
 177          *
 178          * @return array|bool ['replaced' => $replaced, 'contact' => $contact] or "false" on if already replaced
 179          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 180          * @throws \ImagickException
 181          */
 182         public static function replaceTag(string &$body, int $profile_uid, string $tag, string $network = '')
 183         {
 184                 $replaced = false;
 185
 186                 //is it a person tag?
 187                 if (Tag::isType($tag, Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION)) {
 188                         $tag_type = substr($tag, 0, 1);
 189                         //is it already replaced?
 190                         if (strpos($tag, '[url=')) {
 191                                 return $replaced;
 192                         }
 193
 194                         //get the person's name
 195                         $name = substr($tag, 1);
 196
 197                         // Sometimes the tag detection doesn't seem to work right
 198                         // This is some workaround
 199                         $nameparts = explode(' ', $name);
 200                         $name = $nameparts[0];
 201
 202                         // Try to detect the contact in various ways
 203                         if (strpos($name, 'http://') || strpos($name, '@')) {
 204                                 $contact = Contact::getByURLForUser($name, $profile_uid);
 205                         } else {
 206                                 $contact = false;
 207                                 $fields = ['id', 'url', 'nick', 'name', 'alias', 'network', 'forum', 'prv'];
 208
 209                                 if (strrpos($name, '+')) {
 210                                         // Is it in format @nick+number?
 211                                         $tagcid = intval(substr($name, strrpos($name, '+') + 1));
 212                                         $contact = DBA::selectFirst('contact', $fields, ['id' => $tagcid, 'uid' => $profile_uid]);
 213                                 }
 214
 215                                 // select someone by nick in the current network
 216                                 if (!DBA::isResult($contact) && ($network != '')) {
 217                                         $condition = ["`nick` = ? AND `network` = ? AND `uid` = ?",
 218                                                 $name, $network, $profile_uid];
 219                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 220                                 }
 221
 222                                 // select someone by attag in the current network
 223                                 if (!DBA::isResult($contact) && ($network != '')) {
 224                                         $condition = ["`attag` = ? AND `network` = ? AND `uid` = ?",
 225                                                 $name, $network, $profile_uid];
 226                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 227                                 }
 228
 229                                 //select someone by name in the current network
 230                                 if (!DBA::isResult($contact) && ($network != '')) {
 231                                         $condition = ['name' => $name, 'network' => $network, 'uid' => $profile_uid];
 232                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 233                                 }
 234
 235                                 // select someone by nick in any network
 236                                 if (!DBA::isResult($contact)) {
 237                                         $condition = ["`nick` = ? AND `uid` = ?", $name, $profile_uid];
 238                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 239                                 }
 240
 241                                 // select someone by attag in any network
 242                                 if (!DBA::isResult($contact)) {
 243                                         $condition = ["`attag` = ? AND `uid` = ?", $name, $profile_uid];
 244                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 245                                 }
 246
 247                                 // select someone by name in any network
 248                                 if (!DBA::isResult($contact)) {
 249                                         $condition = ['name' => $name, 'uid' => $profile_uid];
 250                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 251                                 }
 252                         }
 253
 254                         // Check if $contact has been successfully loaded
 255                         if (DBA::isResult($contact)) {
 256                                 $profile = $contact['url'];
 257                                 $newname = ($contact['name'] ?? '') ?: $contact['nick'];
 258                         }
 259
 260                         //if there is an url for this persons profile
 261                         if (isset($profile) && ($newname != '')) {
 262                                 $replaced = true;
 263                                 // create profile link
 264                                 $profile = str_replace(',', '%2c', $profile);
 265                                 $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
 266                                 $body = str_replace($tag_type . $name, $newtag, $body);
 267                         }
 268                 }
 269
 270                 return ['replaced' => $replaced, 'contact' => $contact];
 271         }
 272
 273         /**
 274          * Render actions localized
 275          *
 276          * @param array $item
 277          * @return void
 278          * @throws ImagickException
 279          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 280          */
 281         public function localize(array &$item)
 282         {
 283                 $this->profiler->startRecording('rendering');
 284                 /// @todo The following functionality needs to be cleaned up.
 285                 if (!empty($item['verb'])) {
 286                         $xmlhead = '<?xml version="1.0" encoding="UTF-8" ?>';
 287
 288                         if ($this->activity->match($item['verb'], Activity::TAG)) {
 289                                 $fields = ['author-id', 'author-link', 'author-name', 'author-network',
 290                                         'verb', 'object-type', 'resource-id', 'body', 'plink'];
 291                                 $obj = Post::selectFirst($fields, ['uri' => $item['parent-uri']]);
 292                                 if (!DBA::isResult($obj)) {
 293                                         $this->profiler->stopRecording();
 294                                         return;
 295                                 }
 296
 297                                 $author_arr = [
 298                                         'uid' => 0,
 299                                         'id' => $item['author-id'],
 300                                         'network' => $item['author-network'],
 301                                         'url' => $item['author-link'],
 302                                 ];
 303                                 $author  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
 304
 305                                 $author_arr = [
 306                                         'uid' => 0,
 307                                         'id' => $obj['author-id'],
 308                                         'network' => $obj['author-network'],
 309                                         'url' => $obj['author-link'],
 310                                 ];
 311                                 $objauthor  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
 312
 313                                 switch ($obj['verb']) {
 314                                         case Activity::POST:
 315                                                 switch ($obj['object-type']) {
 316                                                         case Activity\ObjectType::EVENT:
 317                                                                 $post_type = $this->l10n->t('event');
 318                                                                 break;
 319                                                         default:
 320                                                                 $post_type = $this->l10n->t('status');
 321                                                 }
 322                                                 break;
 323
 324                                         default:
 325                                                 if ($obj['resource-id']) {
 326                                                         $post_type = $this->l10n->t('photo');
 327                                                         $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 328                                                         $rr['plink'] = $m[1];
 329                                                 } else {
 330                                                         $post_type = $this->l10n->t('status');
 331                                                 }
 332                                                 // Let's break everthing ... ;-)
 333                                                 break;
 334                                 }
 335                                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 336
 337                                 $parsedobj = XML::parseString($xmlhead . $item['object']);
 338
 339                                 $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 340                                 $item['body'] = $this->l10n->t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag);
 341                         }
 342                 }
 343
 344                 $this->profiler->stopRecording();
 345         }
 346
 347         /**
 348          * Renders photo menu based on item
 349          *
 350          * @param array $item
 351          * @param string $formSecurityToken
 352          * @return string
 353          */
 354         public function photoMenu(array $item, string $formSecurityToken): string
 355         {
 356                 $this->profiler->startRecording('rendering');
 357                 $sub_link = $contact_url = $pm_url = $status_link = '';
 358                 $photos_link = $posts_link = $block_link = $ignore_link = '';
 359
 360                 if ($this->userSession->getLocalUserId() && $this->userSession->getLocalUserId() == $item['uid'] && $item['gravity'] == ItemModel::GRAVITY_PARENT && !$item['self'] && !$item['mention']) {
 361                         $sub_link = 'javascript:doFollowThread(' . $item['id'] . '); return false;';
 362                 }
 363
 364                 $author = [
 365                         'uid' => 0,
 366                         'id' => $item['author-id'],
 367                         'network' => $item['author-network'],
 368                         'url' => $item['author-link'],
 369                 ];
 370                 $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
 371                 $sparkle = (strpos($profile_link, 'contact/redir/') === 0);
 372
 373                 $cid = 0;
 374                 $pcid = $item['author-id'];
 375                 $network = '';
 376                 $rel = 0;
 377                 $condition = ['uid' => $this->userSession->getLocalUserId(), 'uri-id' => $item['author-uri-id']];
 378                 $contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
 379                 if (DBA::isResult($contact)) {
 380                         $cid = $contact['id'];
 381                         $network = $contact['network'];
 382                         $rel = $contact['rel'];
 383                 }
 384
 385                 if ($sparkle) {
 386                         $status_link = $profile_link . '/status';
 387                         $photos_link = $profile_link . '/photos';
 388                         $profile_link = $profile_link . '/profile';
 389                 }
 390
 391                 if (!empty($pcid)) {
 392                         $contact_url = 'contact/' . $pcid;
 393                         $posts_link  = $contact_url . '/posts';
 394                         $block_link  = $item['self'] ? '' : $contact_url . '/block?t=' . $formSecurityToken;
 395                         $ignore_link = $item['self'] ? '' : $contact_url . '/ignore?t=' . $formSecurityToken;
 396                 }
 397
 398                 if ($cid && !$item['self']) {
 399                         $contact_url = 'contact/' . $cid;
 400                         $posts_link  = $contact_url . '/posts';
 401
 402                         if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 403                                 $pm_url = 'message/new/' . $cid;
 404                         }
 405                 }
 406
 407                 if ($this->userSession->getLocalUserId()) {
 408                         $menu = [
 409                                 $this->l10n->t('Follow Thread') => $sub_link,
 410                                 $this->l10n->t('View Status') => $status_link,
 411                                 $this->l10n->t('View Profile') => $profile_link,
 412                                 $this->l10n->t('View Photos') => $photos_link,
 413                                 $this->l10n->t('Network Posts') => $posts_link,
 414                                 $this->l10n->t('View Contact') => $contact_url,
 415                                 $this->l10n->t('Send PM') => $pm_url,
 416                                 $this->l10n->t('Block') => $block_link,
 417                                 $this->l10n->t('Ignore') => $ignore_link
 418                         ];
 419
 420                         if (!empty($item['language'])) {
 421                                 $menu[$this->l10n->t('Languages')] = 'javascript:alert(\'' . ItemModel::getLanguageMessage($item) . '\');';
 422                         }
 423
 424                         if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
 425                                 in_array($item['network'], Protocol::FEDERATED)) {
 426                                 $menu[$this->l10n->t('Connect/Follow')] = 'contact/follow?url=' . urlencode($item['author-link']) . '&auto=1';
 427                         }
 428                 } else {
 429                         $menu = [$this->l10n->t('View Profile') => $item['author-link']];
 430                 }
 431
 432                 $args = ['item' => $item, 'menu' => $menu];
 433
 434                 Hook::callAll('item_photo_menu', $args);
 435
 436                 $menu = $args['menu'];
 437
 438                 $o = '';
 439                 foreach ($menu as $k => $v) {
 440                         if (strpos($v, 'javascript:') === 0) {
 441                                 $v = substr($v, 11);
 442                                 $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 443                         } elseif ($v) {
 444                                 $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 445                         }
 446                 }
 447                 $this->profiler->stopRecording();
 448                 return $o;
 449         }
 450
 451         /**
 452          * Checks if the activity is visible to current user
 453          *
 454          * @param array $item Activity item
 455          * @return bool Whether the item is visible to the user
 456          */
 457         public function isVisibleActivity(array $item): bool
 458         {
 459                 // Empty verb or hidden?
 460                 if (empty($item['verb']) || $this->activity->isHidden($item['verb'])) {
 461                         return false;
 462                 }
 463
 464                 // Check conditions
 465                 return (!($this->activity->match($item['verb'], Activity::FOLLOW) &&
 466                         $item['object-type'] === Activity\ObjectType::NOTE &&
 467                         empty($item['self']) &&
 468                         $item['uid'] == $this->userSession->getLocalUserId())
 469                 );
 470         }
 471
 472         public function expandTags(array $item, bool $setPermissions = false): array
 473         {
 474                 // Look for any tags and linkify them
 475                 $item['inform'] = '';
 476                 $private_forum  = false;
 477                 $private_id     = null;
 478                 $only_to_forum  = false;
 479                 $forum_contact  = [];
 480                 $receivers      = [];
 481
 482                 // Convert mentions in the body to a unified format
 483                 $item['body'] = BBCode::setMentions($item['body'], $item['uid'], $item['network']);
 484
 485                 // Search for forum mentions
 486                 foreach (Tag::getFromBody($item['body'], Tag::TAG_CHARACTER[Tag::MENTION] . Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]) as $tag) {
 487                         $contact = Contact::getByURLForUser($tag[2], $item['uid']);
 488                         if (empty($contact)) {
 489                                 continue;
 490                         }
 491
 492                         $receivers[] = $contact['id'];
 493
 494                         if (!empty($item['inform'])) {
 495                                 $item['inform'] .= ',';
 496                         }
 497                         $item['inform'] .= 'cid:' . $contact['id'];
 498
 499                         if (($item['gravity'] == ItemModel::GRAVITY_COMMENT) || empty($contact['cid']) || ($contact['contact-type'] != Contact::TYPE_COMMUNITY)) {
 500                                 continue;
 501                         }
 502
 503                         if (!empty($contact['prv']) || ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
 504                                 $private_forum = $contact['prv'];
 505                                 $only_to_forum = ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
 506                                 $private_id = $contact['id'];
 507                                 $forum_contact = $contact;
 508                                 Logger::info('Private forum or exclusive mention', ['url' => $tag[2], 'mention' => $tag[1]]);
 509                         } elseif ($item['allow_cid'] == '<' . $contact['id'] . '>') {
 510                                 $private_forum = false;
 511                                 $only_to_forum = true;
 512                                 $private_id = $contact['id'];
 513                                 $forum_contact = $contact;
 514                                 Logger::info('Public forum', ['url' => $tag[2], 'mention' => $tag[1]]);
 515                         } else {
 516                                 Logger::info('Post with forum mention will not be converted to a forum post', ['url' => $tag[2], 'mention' => $tag[1]]);
 517                         }
 518                 }
 519                 Logger::info('Got inform', ['inform' => $item['inform']]);
 520
 521                 if (($item['gravity'] == ItemModel::GRAVITY_PARENT) && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
 522                         // we tagged a forum in a top level post. Now we change the post
 523                         $item['private'] = $private_forum ? ItemModel::PRIVATE : ItemModel::UNLISTED;
 524
 525                         if ($only_to_forum) {
 526                                 $item['postopts'] = '';
 527                         }
 528
 529                         $item['deny_cid'] = '';
 530                         $item['deny_gid'] = '';
 531
 532                         if ($private_forum) {
 533                                 $item['allow_cid'] = '<' . $private_id . '>';
 534                                 $item['allow_gid'] = '<' . Group::getIdForForum($forum_contact['id']) . '>';
 535                         } else {
 536                                 $item['allow_cid'] = '';
 537                                 $item['allow_gid'] = '';
 538                         }
 539                 } elseif ($setPermissions && ($item['gravity'] == ItemModel::GRAVITY_PARENT)) {
 540                         if (empty($receivers)) {
 541                                 // For security reasons direct posts without any receiver will be posts to yourself
 542                                 $self = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
 543                                 $receivers[] = $self['id'];
 544                         }
 545
 546                         $item['private']   = ItemModel::PRIVATE;
 547                         $item['allow_cid'] = '';
 548                         $item['allow_gid'] = '';
 549                         $item['deny_cid']  = '';
 550                         $item['deny_gid']  = '';
 551
 552                         foreach ($receivers as $receiver) {
 553                                 $item['allow_cid'] .= '<' . $receiver . '>';
 554                         }
 555                 }
 556                 return $item;
 557         }
 558
 559         public function getAuthorAvatar(array $item): string
 560         {
 561                 if (in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
 562                         $author_avatar  = $item['contact-id'];
 563                         $author_updated = '';
 564                         $author_thumb   = $item['contact-avatar'];
 565                 } else {
 566                         $author_avatar  = $item['author-id'];
 567                         $author_updated = $item['author-updated'];
 568                         $author_thumb   = $item['author-avatar'];
 569                 }
 570
 571
 572                 if (empty($author_thumb) || Photo::isPhotoURI($author_thumb)) {
 573                         $author_thumb = Contact::getAvatarUrlForId($author_avatar, Proxy::SIZE_THUMB, $author_updated);
 574                 }
 575
 576                 return $author_thumb;
 577         }
 578
 579         public function getOwnerAvatar(array $item): string
 580         {
 581                 if (in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
 582                         $owner_avatar  = $item['contact-id'];
 583                         $owner_updated = '';
 584                         $owner_thumb   = $item['contact-avatar'];
 585                 } else {
 586                         $owner_avatar   = $item['owner-id'];
 587                         $owner_updated  = $item['owner-updated'];
 588                         $owner_thumb    = $item['owner-avatar'];
 589                 }
 590
 591                 if (empty($owner_thumb) || Photo::isPhotoURI($owner_thumb)) {
 592                         $owner_thumb = Contact::getAvatarUrlForId($owner_avatar, Proxy::SIZE_THUMB, $owner_updated);
 593                 }
 594
 595                 return $owner_thumb;
 596         }
 597
 598         /**
 599          * Add a share block for the given uri-id
 600          *
 601          * @param array  $item
 602          * @param string $body
 603          * @return string
 604          */
 605         public function addSharedPost(array $item, string $body = ''): string
 606         {
 607                 if (empty($body)) {
 608                         $body = $item['body'];
 609                 }
 610
 611                 if (empty($item['quote-uri-id'])) {
 612                         return $body;
 613                 }
 614
 615                 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network', 'quote-uri-id'];
 616                 $shared_item = Post::selectFirst($fields, ['uri-id' => $item['quote-uri-id'], 'uid' => [$item['uid'], 0], 'private' => [ItemModel::PUBLIC, ItemModel::UNLISTED]]);
 617                 if (!DBA::isResult($shared_item)) {
 618                         Logger::notice('Post does not exist.', ['uri-id' => $item['quote-uri-id'], 'uid' => $item['uid']]);
 619                         return $body;
 620                 }
 621
 622                 return trim(BBCode::removeSharedData($body) . "\n" . $this->createSharedBlockByArray($shared_item, true));
 623         }
 624
 625         /**
 626          * Add a share block for the given guid
 627          *
 628          * @param string $guid
 629          * @param integer $uid
 630          * @param bool $add_media
 631          * @return string
 632          */
 633         private function createSharedPostByGuid(string $guid, bool $add_media): string
 634         {
 635                 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network'];
 636                 $shared_item = Post::selectFirst($fields, ['guid' => $guid, 'uid' => 0, 'private' => [ItemModel::PUBLIC, ItemModel::UNLISTED]]);
 637
 638                 if (!DBA::isResult($shared_item)) {
 639                         Logger::notice('Post does not exist.', ['guid' => $guid]);
 640                         return '';
 641                 }
 642
 643                 return $this->createSharedBlockByArray($shared_item, $add_media);
 644         }
 645
 646         /**
 647          * Add a share block for the given item array
 648          *
 649          * @param array $item
 650          * @param bool $add_media
 651          * @return string
 652          */
 653         public function createSharedBlockByArray(array $item, bool $add_media = false): string
 654         {
 655                 if ($item['network'] == Protocol::FEED) {
 656                         return PageInfo::getFooterFromUrl($item['plink']);
 657                 } elseif (!in_array($item['network'] ?? '', Protocol::FEDERATED)) {
 658                         $item['guid'] = '';
 659                         $item['uri']  = '';
 660                 }
 661
 662                 if ($add_media) {
 663                         $item['body'] = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
 664                 }
 665
 666                 $shared_content = BBCode::getShareOpeningTag($item['author-name'], $item['author-link'], $item['author-avatar'], $item['plink'], $item['created'], $item['guid'], $item['uri']);
 667
 668                 if (!empty($item['title'])) {
 669                         $shared_content .= '[h3]' . $item['title'] . "[/h3]\n";
 670                 }
 671
 672                 $shared = $this->getShareArray($item);
 673
 674                 // If it is a reshared post then reformat it to avoid display problems with two share elements
 675                 if (!empty($shared)) {
 676                         if (!empty($shared['guid']) && ($encaspulated_share = $this->createSharedPostByGuid($shared['guid'], true))) {
 677                                 if (!empty(BBCode::fetchShareAttributes($item['body']))) {
 678                                         $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $encaspulated_share, $item['body']);
 679                                 } else {
 680                                         $item['body'] .= $encaspulated_share;
 681                                 }
 682                         }
 683                         $item['body'] = HTML::toBBCode(BBCode::convertForUriId($item['uri-id'], $item['body'], BBCode::ACTIVITYPUB));
 684                 }
 685
 686                 $shared_content .= $item['body'] . '[/share]';
 687
 688                 return $shared_content;
 689         }
 690
 691         /**
 692          * Return the shared post from an item array (if the item is shared item)
 693          *
 694          * @param array $item
 695          * @param array $fields
 696          *
 697          * @return array with the shared post
 698          */
 699         public function getSharedPost(array $item, array $fields = []): array
 700         {
 701                 if (!empty($item['quote-uri-id'])) {
 702                         $shared = Post::selectFirst($fields, ['uri-id' => $item['quote-uri-id'], 'uid' => [0, $item['uid'] ?? 0]]);
 703                         if (is_array($shared)) {
 704                                 return [
 705                                         'comment' => BBCode::removeSharedData($item['body'] ?? ''),
 706                                         'post'    => $shared
 707                                 ];
 708                         }
 709                 }
 710
 711                 $attributes = BBCode::fetchShareAttributes($item['body'] ?? '');
 712                 if (!empty($attributes)) {
 713                         $shared = Post::selectFirst($fields, ['guid' => $attributes['guid'], 'uid' => [0, $item['uid'] ?? 0]]);
 714                         if (is_array($shared)) {
 715                                 return [
 716                                         'comment' => $attributes['comment'],
 717                                         'post'    => $shared
 718                                 ];
 719                         }
 720                 }
 721
 722                 return [];
 723         }
 724
 725         /**
 726          * Return share data from an item array (if the item is shared item)
 727          * We are providing the complete Item array, because at some time in the future
 728          * we hopefully will define these values not in the body anymore but in some item fields.
 729          * This function is meant to replace all similar functions in the system.
 730          *
 731          * @param array $item
 732          *
 733          * @return array with share information
 734          */
 735         private function getShareArray(array $item): array
 736         {
 737                 $attributes = BBCode::fetchShareAttributes($item['body'] ?? '');
 738                 if (!empty($attributes)) {
 739                         return $attributes;
 740                 }
 741
 742                 if (!empty($item['quote-uri-id'])) {
 743                         $shared = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'uri', 'body'], ['uri-id' => $item['quote-uri-id']]);
 744                         if (!empty($shared)) {
 745                                 return [
 746                                         'author'     => $shared['author-name'],
 747                                         'profile'    => $shared['author-link'],
 748                                         'avatar'     => $shared['author-avatar'],
 749                                         'link'       => $shared['plink'],
 750                                         'posted'     => $shared['created'],
 751                                         'guid'       => $shared['guid'],
 752                                         'message_id' => $shared['uri'],
 753                                         'comment'    => $item['body'],
 754                                         'shared'     => $shared['body'],
 755                                 ];
 756                         }
 757                 }
 758
 759                 return [];
 760         }
 761
 762         /**
 763          * Add a link to a shared post at the end of the post
 764          *
 765          * @param string  $body
 766          * @param integer $quote_uri_id
 767          * @return string
 768          */
 769         public function addShareLink(string $body, int $quote_uri_id): string
 770         {
 771                 $post = Post::selectFirstPost(['uri', 'plink'], ['uri-id' => $quote_uri_id]);
 772                 if (empty($post)) {
 773                         return $body;
 774                 }
 775
 776                 $body = BBCode::removeSharedData($body);
 777
 778                 $body .= "\n♲ " . ($post['plink'] ?: $post['uri']);
 779
 780                 return $body;
 781         }
 782
 783         public function storeAttachmentFromRequest(array $request): string
 784         {
 785                 $attachment_type  = $request['attachment_type'] ??  '';
 786                 $attachment_title = $request['attachment_title'] ?? '';
 787                 $attachment_text  = $request['attachment_text'] ??  '';
 788
 789                 $attachment_url     = hex2bin($request['attachment_url'] ??     '');
 790                 $attachment_img_src = hex2bin($request['attachment_img_src'] ?? '');
 791
 792                 $attachment_img_width  = $request['attachment_img_width'] ??  0;
 793                 $attachment_img_height = $request['attachment_img_height'] ?? 0;
 794
 795                 // Fetch the basic attachment data
 796                 $attachment = ParseUrl::getSiteinfoCached($attachment_url);
 797                 unset($attachment['keywords']);
 798
 799                 // Overwrite the basic data with possible changes from the frontend
 800                 $attachment['type'] = $attachment_type;
 801                 $attachment['title'] = $attachment_title;
 802                 $attachment['text'] = $attachment_text;
 803                 $attachment['url'] = $attachment_url;
 804
 805                 if (!empty($attachment_img_src)) {
 806                         $attachment['images'] = [
 807                                 0 => [
 808                                         'src'    => $attachment_img_src,
 809                                         'width'  => $attachment_img_width,
 810                                         'height' => $attachment_img_height
 811                                 ]
 812                         ];
 813                 } else {
 814                         unset($attachment['images']);
 815                 }
 816
 817                 return "\n" . PageInfo::getFooterFromData($attachment);
 818         }
 819
 820         public function addCategories(array $post, string $category): array
 821         {
 822                 if (!empty($post['file'])) {
 823                         // get the "fileas" tags for this post
 824                         $filedas = FileTag::fileToArray($post['file']);
 825                 }
 826
 827                 $list_array = explode(',', trim($category));
 828                 $post['file'] = FileTag::arrayToFile($list_array, 'category');
 829
 830                 if (!empty($filedas) && is_array($filedas)) {
 831                         // append the fileas stuff to the new categories list
 832                         $post['file'] .= FileTag::arrayToFile($filedas);
 833                 }
 834                 return $post;
 835         }
 836
 837         public function getACL(array $post, array $toplevel_item, array $request): array
 838         {
 839                 // If this is a comment, set the permissions from the parent.
 840                 if ($toplevel_item) {
 841                         $post['allow_cid'] = $toplevel_item['allow_cid'] ?? '';
 842                         $post['allow_gid'] = $toplevel_item['allow_gid'] ?? '';
 843                         $post['deny_cid']  = $toplevel_item['deny_cid'] ?? '';
 844                         $post['deny_gid']  = $toplevel_item['deny_gid'] ?? '';
 845                         $post['private']   = $toplevel_item['private'];
 846                         return $post;
 847                 }
 848
 849                 $user = User::getById($post['uid'], ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid']);
 850                 if (!DBA::isResult($user)) {
 851                         throw new HTTPException\NotFoundException($this->l10n->t('Unable to locate original post.'));
 852                 }
 853
 854                 $post['allow_cid'] = isset($request['contact_allow']) ? $this->aclFormatter->toString($request['contact_allow']) : $user['allow_cid'] ?? '';
 855                 $post['allow_gid'] = isset($request['group_allow'])   ? $this->aclFormatter->toString($request['group_allow'])   : $user['allow_gid'] ?? '';
 856                 $post['deny_cid']  = isset($request['contact_deny'])  ? $this->aclFormatter->toString($request['contact_deny'])  : $user['deny_cid']  ?? '';
 857                 $post['deny_gid']  = isset($request['group_deny'])    ? $this->aclFormatter->toString($request['group_deny'])    : $user['deny_gid']  ?? '';
 858
 859                 $visibility = $request['visibility'] ?? '';
 860                 if ($visibility === 'public') {
 861                         // The ACL selector introduced in version 2019.12 sends ACL input data even when the Public visibility is selected
 862                         $post['allow_cid'] = $post['allow_gid'] = $post['deny_cid'] = $post['deny_gid'] = '';
 863                 } else if ($visibility === 'custom') {
 864                         // Since we know from the visibility parameter the item should be private, we have to prevent the empty ACL
 865                         // case that would make it public. So we always append the author's contact id to the allowed contacts.
 866                         // See https://github.com/friendica/friendica/issues/9672
 867                         $post['allow_cid'] .= $this->aclFormatter->toString(Contact::getPublicIdByUserId($post['uid']));
 868                 }
 869
 870                 if (strlen($post['allow_gid']) || strlen($post['allow_cid']) || strlen($post['deny_gid']) || strlen($post['deny_cid'])) {
 871                         $post['private'] = ItemModel::PRIVATE;
 872                 } elseif ($this->pConfig->get($post['uid'], 'system', 'unlisted')) {
 873                         $post['private'] = ItemModel::UNLISTED;
 874                 } else {
 875                         $post['private'] = ItemModel::PUBLIC;
 876                 }
 877
 878                 return $post;
 879         }
 880
 881         public function moveAttachmentsFromBodyToAttach(array $post): array
 882         {
 883                 if (!preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$post['body'], $match)) {
 884                         return $post;
 885                 }
 886
 887                 foreach ($match[2] as $attachment_id) {
 888                         $attachment = Attach::selectFirst(['id', 'uid', 'filename', 'filesize', 'filetype'], ['id' => $attachment_id, 'uid' => $post['uid']]);
 889                         if (empty($attachment)) {
 890                                 continue;
 891                         }
 892                         if (strlen($post['attach'])) {
 893                                 $post['attach'] .= ',';
 894                         }
 895                         $post['attach'] .= Post\Media::getAttachElement($this->baseURL->get() . '/attach/' . $attachment['id'],
 896                                 $attachment['filesize'], $attachment['filetype'], $attachment['filename'] ?? '');
 897
 898                         $fields = ['allow_cid' => $post['allow_cid'], 'allow_gid' => $post['allow_gid'],
 899                                         'deny_cid' => $post['deny_cid'], 'deny_gid' => $post['deny_gid']];
 900                         $condition = ['id' => $attachment_id];
 901                         Attach::update($fields, $condition);
 902                 }
 903
 904                 $post['body'] = str_replace($match[1], '', $post['body']);
 905
 906                 return $post;
 907         }
 908
 909         private function setObjectType(array $post): array
 910         {
 911                 if (empty($post['post-type'])) {
 912                         $post['post-type'] = empty($post['title']) ? ItemModel::PT_NOTE : ItemModel::PT_ARTICLE;
 913                 }
 914
 915                 // embedded bookmark or attachment in post? set bookmark flag
 916                 $data = BBCode::getAttachmentData($post['body']);
 917                 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $post['body'], $match, PREG_SET_ORDER) || isset($data['type']))
 918                         && ($post['post-type'] != ItemModel::PT_PERSONAL_NOTE)) {
 919                         $post['post-type'] = ItemModel::PT_PAGE;
 920                         $post['object-type'] = Activity\ObjectType::BOOKMARK;
 921                 }
 922
 923                 // Setting the object type if not defined before
 924                 if (empty($post['object-type'])) {
 925                         $post['object-type'] = ($post['gravity'] == ItemModel::GRAVITY_PARENT) ? Activity\ObjectType::NOTE : Activity\ObjectType::COMMENT;
 926
 927                         $objectdata = BBCode::getAttachedData($post['body']);
 928
 929                         if ($objectdata['type'] == 'link') {
 930                                 $post['object-type'] = Activity\ObjectType::BOOKMARK;
 931                         } elseif ($objectdata['type'] == 'video') {
 932                                 $post['object-type'] = Activity\ObjectType::VIDEO;
 933                         } elseif ($objectdata['type'] == 'photo') {
 934                                 $post['object-type'] = Activity\ObjectType::IMAGE;
 935                         }
 936                 }
 937                 return $post;
 938         }
 939
 940         public function initializePost(array $post): array
 941         {
 942                 $post['wall']       = true;
 943                 $post['origin']     = true;
 944                 $post['network']    = Protocol::DFRN;
 945                 $post['protocol']   = Conversation::PARCEL_DIRECT;
 946                 $post['direction']  = Conversation::PUSH;
 947                 $post['guid']       = System::createUUID();
 948                 $post['uri']        = ItemModel::newURI($post['guid']);
 949                 $post['verb']       = Activity::POST;
 950                 $post['received']   = DateTimeFormat::utcNow();
 951                 $owner = User::getOwnerDataById($post['uid']);
 952
 953                 if (empty($post['contact-id'])) {
 954                         $post['contact-id'] = $owner['id'];
 955                 }
 956
 957                 if (empty($post['author-link']) && empty($post['author-id'])) {
 958                         $post['author-link']   = $owner['url'];
 959                         $post['author-id']     = Contact::getIdForURL($post['author-link']);
 960                         $post['author-name']   = $owner['name'];
 961                         $post['author-avatar'] = $owner['thumb'];
 962                 }
 963
 964                 if (empty($post['owner-link']) && empty($post['owner-id'])) {
 965                         $post['owner-link']   = $post['author-link'];
 966                         $post['owner-id']     = Contact::getIdForURL($post['owner-link']);
 967                         $post['owner-name']   = $post['author-name'];
 968                         $post['owner-avatar'] = $post['author-avatar'];
 969                 }
 970
 971                 return $post;
 972         }
 973
 974         public function finalizePost(array $post): array
 975         {
 976                 if (preg_match("/\[attachment\](.*?)\[\/attachment\]/ism", $post['body'], $matches)) {
 977                         $post['body'] = preg_replace("/\[attachment].*?\[\/attachment\]/ism", PageInfo::getFooterFromUrl($matches[1]), $post['body']);
 978                 }
 979
 980                 // Convert links with empty descriptions to links without an explicit description
 981                 $post['body'] = trim(preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $post['body']));
 982                 $post['body'] = $this->bbCodeVideo->transform($post['body']);
 983                 $post['body'] = BBCode::scaleExternalImages($post['body']);
 984                 $post = $this->setObjectType($post);
 985
 986                 // Personal notes must never be altered to a forum post.
 987                 if ($post['post-type'] != ItemModel::PT_PERSONAL_NOTE) {
 988                         // Look for any tags and linkify them
 989                         $post = $this->expandTags($post);
 990                 }
 991
 992                 return $post;
 993         }
 994 }