src/Content/Item.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, 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\Content\Text\BBCode;
  25 use Friendica\Content\Text\HTML;
  26 use Friendica\Core\Hook;
  27 use Friendica\Core\L10n;
  28 use Friendica\Core\Logger;
  29 use Friendica\Core\Protocol;
  30 use Friendica\Core\System;
  31 use Friendica\Database\DBA;
  32 use Friendica\Model\Contact;
  33 use Friendica\Model\Group;
  34 use Friendica\Model\Item as ItemModel;
  35 use Friendica\Model\Photo;
  36 use Friendica\Model\Tag;
  37 use Friendica\Model\Post;
  38 use Friendica\Protocol\Activity;
  39 use Friendica\Protocol\Diaspora;
  40 use Friendica\Util\Profiler;
  41 use Friendica\Util\Proxy;
  42 use Friendica\Util\XML;
  43
  44 /**
  45  * A content helper class for displaying items
  46  */
  47 class Item
  48 {
  49         /** @var Activity */
  50         private $activity;
  51         /** @var L10n */
  52         private $l10n;
  53         /** @var Profiler */
  54         private $profiler;
  55
  56         public function __construct(Profiler $profiler, Activity $activity, L10n $l10n)
  57         {
  58                 $this->profiler = $profiler;
  59                 $this->activity = $activity;
  60                 $this->l10n   = $l10n;
  61         }
  62
  63         /**
  64          * Return array with details for categories and folders for an item
  65          *
  66          * @param array $item
  67          * @param int   $uid
  68          * @return [array, array]
  69          *
  70          * [
  71          *      [ // categories array
  72          *          {
  73          *               'name': 'category name',
  74          *               'removeurl': 'url to remove this category',
  75          *               'first': 'is the first in this array? true/false',
  76          *               'last': 'is the last in this array? true/false',
  77          *           } ,
  78          *           ....
  79          *       ],
  80          *       [ //folders array
  81          *                      {
  82          *               'name': 'folder name',
  83          *               'removeurl': 'url to remove this folder',
  84          *               'first': 'is the first in this array? true/false',
  85          *               'last': 'is the last in this array? true/false',
  86          *           } ,
  87          *           ....
  88          *       ]
  89          *  ]
  90          */
  91         public function determineCategoriesTerms(array $item, int $uid = 0): array
  92         {
  93                 $categories = [];
  94                 $folders = [];
  95                 $first = true;
  96
  97                 $uid = $item['uid'] ?: $uid;
  98
  99                 if (empty($item['has-categories'])) {
 100                         return [$categories, $folders];
 101                 }
 102
 103                 foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::CATEGORY) as $savedFolderName) {
 104                         if (!empty($item['author-link'])) {
 105                                 $url = $item['author-link'] . "?category=" . rawurlencode($savedFolderName);
 106                         } else {
 107                                 $url = '#';
 108                         }
 109                         $categories[] = [
 110                                 'name' => $savedFolderName,
 111                                 'url' => $url,
 112                                 'removeurl' => local_user() == $uid ? 'filerm/' . $item['id'] . '?cat=' . rawurlencode($savedFolderName) : '',
 113                                 'first' => $first,
 114                                 'last' => false
 115                         ];
 116                         $first = false;
 117                 }
 118
 119                 if (count($categories)) {
 120                         $categories[count($categories) - 1]['last'] = true;
 121                 }
 122
 123                 if (local_user() == $uid) {
 124                         foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::FILE) as $savedFolderName) {
 125                                 $folders[] = [
 126                                         'name' => $savedFolderName,
 127                                         'url' => "#",
 128                                         'removeurl' => local_user() == $uid ? 'filerm/' . $item['id'] . '?term=' . rawurlencode($savedFolderName) : '',
 129                                         'first' => $first,
 130                                         'last' => false
 131                                 ];
 132                                 $first = false;
 133                         }
 134                 }
 135
 136                 if (count($folders)) {
 137                         $folders[count($folders) - 1]['last'] = true;
 138                 }
 139
 140                 return [$categories, $folders];
 141         }
 142
 143         /**
 144          * This function removes the tag $tag from the text $body and replaces it with
 145          * the appropriate link.
 146          *
 147          * @param string $body        the text to replace the tag in
 148          * @param int    $profile_uid the user id to replace the tag for (0 = anyone)
 149          * @param string $tag         the tag to replace
 150          * @param string $network     The network of the post
 151          *
 152          * @return array|bool ['replaced' => $replaced, 'contact' => $contact] or "false" on if already replaced
 153          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 154          * @throws \ImagickException
 155          */
 156         public static function replaceTag(string &$body, int $profile_uid, string $tag, string $network = '')
 157         {
 158                 $replaced = false;
 159
 160                 //is it a person tag?
 161                 if (Tag::isType($tag, Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION)) {
 162                         $tag_type = substr($tag, 0, 1);
 163                         //is it already replaced?
 164                         if (strpos($tag, '[url=')) {
 165                                 return $replaced;
 166                         }
 167
 168                         //get the person's name
 169                         $name = substr($tag, 1);
 170
 171                         // Sometimes the tag detection doesn't seem to work right
 172                         // This is some workaround
 173                         $nameparts = explode(' ', $name);
 174                         $name = $nameparts[0];
 175
 176                         // Try to detect the contact in various ways
 177                         if (strpos($name, 'http://') || strpos($name, '@')) {
 178                                 $contact = Contact::getByURLForUser($name, $profile_uid);
 179                         } else {
 180                                 $contact = false;
 181                                 $fields = ['id', 'url', 'nick', 'name', 'alias', 'network', 'forum', 'prv'];
 182
 183                                 if (strrpos($name, '+')) {
 184                                         // Is it in format @nick+number?
 185                                         $tagcid = intval(substr($name, strrpos($name, '+') + 1));
 186                                         $contact = DBA::selectFirst('contact', $fields, ['id' => $tagcid, 'uid' => $profile_uid]);
 187                                 }
 188
 189                                 // select someone by nick in the current network
 190                                 if (!DBA::isResult($contact) && ($network != '')) {
 191                                         $condition = ["`nick` = ? AND `network` = ? AND `uid` = ?",
 192                                                 $name, $network, $profile_uid];
 193                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 194                                 }
 195
 196                                 // select someone by attag in the current network
 197                                 if (!DBA::isResult($contact) && ($network != '')) {
 198                                         $condition = ["`attag` = ? AND `network` = ? AND `uid` = ?",
 199                                                 $name, $network, $profile_uid];
 200                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 201                                 }
 202
 203                                 //select someone by name in the current network
 204                                 if (!DBA::isResult($contact) && ($network != '')) {
 205                                         $condition = ['name' => $name, 'network' => $network, 'uid' => $profile_uid];
 206                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 207                                 }
 208
 209                                 // select someone by nick in any network
 210                                 if (!DBA::isResult($contact)) {
 211                                         $condition = ["`nick` = ? AND `uid` = ?", $name, $profile_uid];
 212                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 213                                 }
 214
 215                                 // select someone by attag in any network
 216                                 if (!DBA::isResult($contact)) {
 217                                         $condition = ["`attag` = ? AND `uid` = ?", $name, $profile_uid];
 218                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 219                                 }
 220
 221                                 // select someone by name in any network
 222                                 if (!DBA::isResult($contact)) {
 223                                         $condition = ['name' => $name, 'uid' => $profile_uid];
 224                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 225                                 }
 226                         }
 227
 228                         // Check if $contact has been successfully loaded
 229                         if (DBA::isResult($contact)) {
 230                                 $profile = $contact['url'];
 231                                 $newname = ($contact['name'] ?? '') ?: $contact['nick'];
 232                         }
 233
 234                         //if there is an url for this persons profile
 235                         if (isset($profile) && ($newname != '')) {
 236                                 $replaced = true;
 237                                 // create profile link
 238                                 $profile = str_replace(',', '%2c', $profile);
 239                                 $newtag = $tag_type.'[url=' . $profile . ']' . $newname . '[/url]';
 240                                 $body = str_replace($tag_type . $name, $newtag, $body);
 241                         }
 242                 }
 243
 244                 return ['replaced' => $replaced, 'contact' => $contact];
 245         }
 246
 247         /**
 248          * Render actions localized
 249          *
 250          * @param array $item
 251          * @return void
 252          * @throws ImagickException
 253          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 254          */
 255         public function localize(array &$item)
 256         {
 257                 $this->profiler->startRecording('rendering');
 258                 /// @todo The following functionality needs to be cleaned up.
 259                 if (!empty($item['verb'])) {
 260                         $xmlhead = '<?xml version="1.0" encoding="UTF-8" ?>';
 261
 262                         if ($this->activity->match($item['verb'], Activity::TAG)) {
 263                                 $fields = ['author-id', 'author-link', 'author-name', 'author-network',
 264                                         'verb', 'object-type', 'resource-id', 'body', 'plink'];
 265                                 $obj = Post::selectFirst($fields, ['uri' => $item['parent-uri']]);
 266                                 if (!DBA::isResult($obj)) {
 267                                         $this->profiler->stopRecording();
 268                                         return;
 269                                 }
 270
 271                                 $author_arr = [
 272                                         'uid' => 0,
 273                                         'id' => $item['author-id'],
 274                                         'network' => $item['author-network'],
 275                                         'url' => $item['author-link'],
 276                                 ];
 277                                 $author  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
 278
 279                                 $author_arr = [
 280                                         'uid' => 0,
 281                                         'id' => $obj['author-id'],
 282                                         'network' => $obj['author-network'],
 283                                         'url' => $obj['author-link'],
 284                                 ];
 285                                 $objauthor  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
 286
 287                                 switch ($obj['verb']) {
 288                                         case Activity::POST:
 289                                                 switch ($obj['object-type']) {
 290                                                         case Activity\ObjectType::EVENT:
 291                                                                 $post_type = $this->l10n->t('event');
 292                                                                 break;
 293                                                         default:
 294                                                                 $post_type = $this->l10n->t('status');
 295                                                 }
 296                                                 break;
 297
 298                                         default:
 299                                                 if ($obj['resource-id']) {
 300                                                         $post_type = $this->l10n->t('photo');
 301                                                         $m=[]; preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 302                                                         $rr['plink'] = $m[1];
 303                                                 } else {
 304                                                         $post_type = $this->l10n->t('status');
 305                                                 }
 306                                                 // Let's break everthing ... ;-)
 307                                                 break;
 308                                 }
 309                                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 310
 311                                 $parsedobj = XML::parseString($xmlhead . $item['object']);
 312
 313                                 $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 314                                 $item['body'] = $this->l10n->t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag);
 315                         }
 316                 }
 317
 318                 $this->profiler->stopRecording();
 319         }
 320
 321         /**
 322          * Renders photo menu based on item
 323          *
 324          * @param array $item
 325          * @param string $formSecurityToken
 326          * @return string
 327          */
 328         public function photoMenu(array $item, string $formSecurityToken): string
 329         {
 330                 $this->profiler->startRecording('rendering');
 331                 $sub_link = $contact_url = $pm_url = $status_link = '';
 332                 $photos_link = $posts_link = $block_link = $ignore_link = '';
 333
 334                 if (local_user() && local_user() == $item['uid'] && $item['gravity'] == ItemModel::GRAVITY_PARENT && !$item['self'] && !$item['mention']) {
 335                         $sub_link = 'javascript:doFollowThread(' . $item['id'] . '); return false;';
 336                 }
 337
 338                 $author = [
 339                         'uid' => 0,
 340                         'id' => $item['author-id'],
 341                         'network' => $item['author-network'],
 342                         'url' => $item['author-link'],
 343                 ];
 344                 $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
 345                 $sparkle = (strpos($profile_link, 'redir/') === 0);
 346
 347                 $cid = 0;
 348                 $pcid = $item['author-id'];
 349                 $network = '';
 350                 $rel = 0;
 351                 $condition = ['uid' => local_user(), 'uri-id' => $item['author-uri-id']];
 352                 $contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
 353                 if (DBA::isResult($contact)) {
 354                         $cid = $contact['id'];
 355                         $network = $contact['network'];
 356                         $rel = $contact['rel'];
 357                 }
 358
 359                 if ($sparkle) {
 360                         $status_link = $profile_link . '/status';
 361                         $photos_link = str_replace('/profile/', '/photos/', $profile_link);
 362                         $profile_link = $profile_link . '/profile';
 363                 }
 364
 365                 if (!empty($pcid)) {
 366                         $contact_url = 'contact/' . $pcid;
 367                         $posts_link  = $contact_url . '/posts';
 368                         $block_link  = $item['self'] ? '' : $contact_url . '/block?t=' . $formSecurityToken;
 369                         $ignore_link = $item['self'] ? '' : $contact_url . '/ignore?t=' . $formSecurityToken;
 370                 }
 371
 372                 if ($cid && !$item['self']) {
 373                         $contact_url = 'contact/' . $cid;
 374                         $posts_link  = $contact_url . '/posts';
 375
 376                         if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 377                                 $pm_url = 'message/new/' . $cid;
 378                         }
 379                 }
 380
 381                 if (local_user()) {
 382                         $menu = [
 383                                 $this->l10n->t('Follow Thread') => $sub_link,
 384                                 $this->l10n->t('View Status') => $status_link,
 385                                 $this->l10n->t('View Profile') => $profile_link,
 386                                 $this->l10n->t('View Photos') => $photos_link,
 387                                 $this->l10n->t('Network Posts') => $posts_link,
 388                                 $this->l10n->t('View Contact') => $contact_url,
 389                                 $this->l10n->t('Send PM') => $pm_url,
 390                                 $this->l10n->t('Block') => $block_link,
 391                                 $this->l10n->t('Ignore') => $ignore_link
 392                         ];
 393
 394                         if (!empty($item['language'])) {
 395                                 $menu[$this->l10n->t('Languages')] = 'javascript:alert(\'' . ItemModel::getLanguageMessage($item) . '\');';
 396                         }
 397
 398                         if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
 399                                 in_array($item['network'], Protocol::FEDERATED)) {
 400                                 $menu[$this->l10n->t('Connect/Follow')] = 'follow?url=' . urlencode($item['author-link']) . '&auto=1';
 401                         }
 402                 } else {
 403                         $menu = [$this->l10n->t('View Profile') => $item['author-link']];
 404                 }
 405
 406                 $args = ['item' => $item, 'menu' => $menu];
 407
 408                 Hook::callAll('item_photo_menu', $args);
 409
 410                 $menu = $args['menu'];
 411
 412                 $o = '';
 413                 foreach ($menu as $k => $v) {
 414                         if (strpos($v, 'javascript:') === 0) {
 415                                 $v = substr($v, 11);
 416                                 $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 417                         } elseif ($v) {
 418                                 $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 419                         }
 420                 }
 421                 $this->profiler->stopRecording();
 422                 return $o;
 423         }
 424
 425         /**
 426          * Checks if the activity is visible to current user
 427          *
 428          * @param array $item Activity item
 429          * @return bool Whether the item is visible to the user
 430          */
 431         public function isVisibleActivity(array $item): bool
 432         {
 433                 // Empty verb or hidden?
 434                 if (empty($item['verb']) || $this->activity->isHidden($item['verb'])) {
 435                         return false;
 436                 }
 437
 438                 // Check conditions
 439                 return (!($this->activity->match($item['verb'], Activity::FOLLOW) &&
 440                         $item['object-type'] === Activity\ObjectType::NOTE &&
 441                         empty($item['self']) &&
 442                         $item['uid'] == local_user())
 443                 );
 444         }
 445
 446         public function expandTags(array $item, bool $setPermissions = false): array
 447         {
 448                 // Look for any tags and linkify them
 449                 $item['inform'] = '';
 450                 $private_forum  = false;
 451                 $private_id     = null;
 452                 $only_to_forum  = false;
 453                 $forum_contact  = [];
 454                 $receivers      = [];
 455
 456                 // Convert mentions in the body to a unified format
 457                 $item['body'] = BBCode::setMentions($item['body'], $item['uid'], $item['network']);
 458
 459                 // Search for forum mentions
 460                 foreach (Tag::getFromBody($item['body'], Tag::TAG_CHARACTER[Tag::MENTION] . Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]) as $tag) {
 461                         $contact = Contact::getByURLForUser($tag[2], $item['uid']);
 462                         if (empty($contact)) {
 463                                 continue;
 464                         }
 465
 466                         $receivers[] = $contact['id'];
 467
 468                         if (!empty($item['inform'])) {
 469                                 $item['inform'] .= ',';
 470                         }
 471                         $item['inform'] .= 'cid:' . $contact['id'];
 472
 473                         if (($item['gravity'] == ItemModel::GRAVITY_COMMENT) || empty($contact['cid']) || ($contact['contact-type'] != Contact::TYPE_COMMUNITY)) {
 474                                 continue;
 475                         }
 476
 477                         if (!empty($contact['prv']) || ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
 478                                 $private_forum = $contact['prv'];
 479                                 $only_to_forum = ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
 480                                 $private_id = $contact['id'];
 481                                 $forum_contact = $contact;
 482                                 Logger::info('Private forum or exclusive mention', ['url' => $tag[2], 'mention' => $tag[1]]);
 483                         } elseif ($item['allow_cid'] == '<' . $contact['id'] . '>') {
 484                                 $private_forum = false;
 485                                 $only_to_forum = true;
 486                                 $private_id = $contact['id'];
 487                                 $forum_contact = $contact;
 488                                 Logger::info('Public forum', ['url' => $tag[2], 'mention' => $tag[1]]);
 489                         } else {
 490                                 Logger::info('Post with forum mention will not be converted to a forum post', ['url' => $tag[2], 'mention' => $tag[1]]);
 491                         }
 492                 }
 493                 Logger::info('Got inform', ['inform' => $item['inform']]);
 494
 495                 if (($item['gravity'] == ItemModel::GRAVITY_PARENT) && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
 496                         // we tagged a forum in a top level post. Now we change the post
 497                         $item['private'] = $private_forum ? ItemModel::PRIVATE : ItemModel::UNLISTED;
 498
 499                         if ($only_to_forum) {
 500                                 $item['postopts'] = '';
 501                         }
 502
 503                         $item['deny_cid'] = '';
 504                         $item['deny_gid'] = '';
 505
 506                         if ($private_forum) {
 507                                 $item['allow_cid'] = '<' . $private_id . '>';
 508                                 $item['allow_gid'] = '<' . Group::getIdForForum($forum_contact['id']) . '>';
 509                         } else {
 510                                 $item['allow_cid'] = '';
 511                                 $item['allow_gid'] = '';
 512                         }
 513                 } elseif ($setPermissions && ($item['gravity'] == ItemModel::GRAVITY_PARENT)) {
 514                         if (empty($receivers)) {
 515                                 // For security reasons direct posts without any receiver will be posts to yourself
 516                                 $self = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
 517                                 $receivers[] = $self['id'];
 518                         }
 519
 520                         $item['private']   = ItemModel::PRIVATE;
 521                         $item['allow_cid'] = '';
 522                         $item['allow_gid'] = '';
 523                         $item['deny_cid']  = '';
 524                         $item['deny_gid']  = '';
 525
 526                         foreach ($receivers as $receiver) {
 527                                 $item['allow_cid'] .= '<' . $receiver . '>';
 528                         }
 529                 }
 530                 return $item;
 531         }
 532
 533         public function getAuthorAvatar(array $item): string
 534         {
 535                 if (in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
 536                         $author_avatar  = $item['contact-id'];
 537                         $author_updated = '';
 538                         $author_thumb   = $item['contact-avatar'];
 539                 } else {
 540                         $author_avatar  = $item['author-id'];
 541                         $author_updated = $item['author-updated'];
 542                         $author_thumb   = $item['author-avatar'];
 543                 }
 544
 545
 546                 if (empty($author_thumb) || Photo::isPhotoURI($author_thumb)) {
 547                         $author_thumb = Contact::getAvatarUrlForId($author_avatar, Proxy::SIZE_THUMB, $author_updated);
 548                 }
 549
 550                 return $author_thumb;
 551         }
 552
 553         public function getOwnerAvatar(array $item): string
 554         {
 555                 if (in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
 556                         $owner_avatar  = $item['contact-id'];
 557                         $owner_updated = '';
 558                         $owner_thumb   = $item['contact-avatar'];
 559                 } else {
 560                         $owner_avatar   = $item['owner-id'];
 561                         $owner_updated  = $item['owner-updated'];
 562                         $owner_thumb    = $item['owner-avatar'];
 563                 }
 564
 565                 if (empty($owner_thumb) || Photo::isPhotoURI($owner_thumb)) {
 566                         $owner_thumb = Contact::getAvatarUrlForId($owner_avatar, Proxy::SIZE_THUMB, $owner_updated);
 567                 }
 568
 569                 return $owner_thumb;
 570         }
 571
 572         /**
 573          * Add a share block for the given url
 574          *
 575          * @param string $url
 576          * @param integer $uid
 577          * @return string
 578          */
 579         public function createSharedPostByUrl(string $url, int $uid = 0): string
 580         {
 581                 if (!empty($uid)) {
 582                         $id = ModelItem::searchByLink($url, $uid);
 583                 }
 584
 585                 if (empty($id)) {
 586                         $id = ModelItem::fetchByLink($url);
 587                 }
 588
 589                 if (!$id) {
 590                         Logger::notice('Post could not be fetched.', ['url' => $url, 'uid' => $uid, 'callstack' => System::callstack()]);
 591                         return '';
 592                 }
 593
 594                 Logger::debug('Fetched shared post', ['id' => $id, 'url' => $url, 'uid' => $uid, 'callstack' => System::callstack()]);
 595
 596                 $shared_item = Post::selectFirst(['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network'], ['id' => $id]);
 597                 if (!DBA::isResult($shared_item)) {
 598                         Logger::warning('Post does not exist.', ['id' => $id, 'url' => $url, 'uid' => $uid]);
 599                         return '';
 600                 }
 601
 602                 return $this->createSharedBlockByArray($shared_item);
 603         }
 604
 605         /**
 606          * Add a share block for the given uri-id
 607          *
 608          * @param integer $UriId
 609          * @param integer $uid
 610          * @return string
 611          */
 612         public function createSharedPostByUriId(int $UriId, int $uid = 0): string
 613         {
 614                 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network'];
 615                 $shared_item = Post::selectFirst($fields, ['uri-id' => $UriId, 'uid' => [$uid, 0], 'private' => [ModelItem::PUBLIC, ModelItem::UNLISTED]]);
 616                 if (!DBA::isResult($shared_item)) {
 617                         Logger::notice('Post does not exist.', ['uri-id' => $UriId, 'uid' => $uid]);
 618                         return '';
 619                 }
 620
 621                 return $this->createSharedBlockByArray($shared_item);
 622         }
 623
 624         /**
 625          * Add a share block for the given guid
 626          *
 627          * @param string $guid
 628          * @param integer $uid
 629          * @return string
 630          */
 631         public function createSharedPostByGuid(string $guid, int $uid = 0, string $host = ''): string
 632         {
 633                 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network'];
 634                 $shared_item = Post::selectFirst($fields, ['guid' => $guid, 'uid' => [$uid, 0], 'private' => [ModelItem::PUBLIC, ModelItem::UNLISTED]]);
 635
 636                 if (!DBA::isResult($shared_item) && !empty($host) && Diaspora::storeByGuid($guid, $host, true)) {
 637                         Logger::debug('Fetched post', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
 638                         $shared_item = Post::selectFirst($fields, ['guid' => $guid, 'uid' => [$uid, 0], 'private' => [ModelItem::PUBLIC, ModelItem::UNLISTED]]);
 639                 } elseif (DBA::isResult($shared_item)) {
 640                         Logger::debug('Found existing post', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
 641                 }
 642
 643                 if (!DBA::isResult($shared_item)) {
 644                         Logger::notice('Post does not exist.', ['guid' => $guid, 'host' => $host, 'uid' => $uid]);
 645                         return '';
 646                 }
 647
 648                 return $this->createSharedBlockByArray($shared_item);
 649         }
 650
 651         /**
 652          * Add a share block for the given item array
 653          *
 654          * @param array $item
 655          * @return string
 656          */
 657         public function createSharedBlockByArray(array $item): string
 658         {
 659                 if ($item['network'] == Protocol::FEED) {
 660                         return PageInfo::getFooterFromUrl($item['plink']);
 661                 } elseif (!in_array($item['network'] ?? '', Protocol::FEDERATED)) {
 662                         $item['guid'] = '';
 663                         $item['uri']  = '';
 664                         $item['body'] = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
 665                 }
 666
 667                 $shared_content = BBCode::getShareOpeningTag($item['author-name'], $item['author-link'], $item['author-avatar'], $item['plink'], $item['created'], $item['guid'], $item['uri']);
 668
 669                 if (!empty($item['title'])) {
 670                         $shared_content .= '[h3]' . $item['title'] . "[/h3]\n";
 671                 }
 672
 673                 $shared = BBCode::fetchShareAttributes($item['body']);
 674
 675                 // If it is a reshared post then reformat it to avoid display problems with two share elements
 676                 if (Diaspora::isReshare($item['body'], false)) {
 677                         if (!empty($shared['guid']) && ($encaspulated_share = self::createSharedPostByGuid($shared['guid']))) {
 678                                 $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $encaspulated_share, $item['body']);
 679                         }
 680
 681                         $item['body'] = HTML::toBBCode(BBCode::convertForUriId($item['uri-id'], $item['body'], BBCode::ACTIVITYPUB));
 682                 }
 683
 684                 $shared_content .= $item['body'] . '[/share]';
 685
 686                 return $shared_content;
 687         }
 688 }