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;
  25 use Friendica\App\BaseURL;
  26 use Friendica\Content\Text\BBCode;
  27 use Friendica\Content\Text\BBCode\Video;
  28 use Friendica\Content\Text\HTML;
  29 use Friendica\Core\Hook;
  30 use Friendica\Core\L10n;
  31 use Friendica\Core\Logger;
  32 use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
  33 use Friendica\Core\Protocol;
  34 use Friendica\Core\Session\Capability\IHandleUserSessions;
  35 use Friendica\Core\System;
  36 use Friendica\Database\DBA;
  37 use Friendica\Model\Attach;
  38 use Friendica\Model\Contact;
  39 use Friendica\Model\Conversation;
  40 use Friendica\Model\FileTag;
  41 use Friendica\Model\Group;
  42 use Friendica\Model\Item as ItemModel;
  43 use Friendica\Model\Photo;
  44 use Friendica\Model\Tag;
  45 use Friendica\Model\Post;
  46 use Friendica\Model\User;
  47 use Friendica\Network\HTTPException;
  48 use Friendica\Object\EMail\ItemCCEMail;
  49 use Friendica\Protocol\Activity;
  50 use Friendica\Util\ACLFormatter;
  51 use Friendica\Util\DateTimeFormat;
  52 use Friendica\Util\Emailer;
  53 use Friendica\Util\ParseUrl;
  54 use Friendica\Util\Profiler;
  55 use Friendica\Util\Proxy;
  56 use Friendica\Util\XML;
  57
  58 /**
  59  * A content helper class for displaying items
  60  */
  61 class Item
  62 {
  63         /** @var Activity */
  64         private $activity;
  65         /** @var L10n */
  66         private $l10n;
  67         /** @var Profiler */
  68         private $profiler;
  69         /** @var IHandleUserSessions */
  70         private $userSession;
  71         /** @var Video */
  72         private $bbCodeVideo;
  73         /** @var ACLFormatter */
  74         private $aclFormatter;
  75         /** @var IManagePersonalConfigValues */
  76         private $pConfig;
  77         /** @var BaseURL */
  78         private $baseURL;
  79         /** @var Emailer */
  80         private $emailer;
  81         /** @var App */
  82         private $app;
  83
  84         public function __construct(Profiler $profiler, Activity $activity, L10n $l10n, IHandleUserSessions $userSession, Video $bbCodeVideo, ACLFormatter $aclFormatter, IManagePersonalConfigValues $pConfig, BaseURL $baseURL, Emailer $emailer, App $app)
  85         {
  86                 $this->profiler     = $profiler;
  87                 $this->activity     = $activity;
  88                 $this->l10n         = $l10n;
  89                 $this->userSession  = $userSession;
  90                 $this->bbCodeVideo  = $bbCodeVideo;
  91                 $this->aclFormatter = $aclFormatter;
  92                 $this->baseURL      = $baseURL;
  93                 $this->pConfig      = $pConfig;
  94                 $this->emailer      = $emailer;
  95                 $this->app          = $app;
  96         }
  97
  98         /**
  99          * Return array with details for categories and folders for an item
 100          *
 101          * @param array $item
 102          * @param int   $uid
 103          * @return [array, array]
 104          *
 105          * [
 106          *      [ // categories array
 107          *          {
 108          *               'name': 'category name',
 109          *               'removeurl': 'url to remove this category',
 110          *               'first': 'is the first in this array? true/false',
 111          *               'last': 'is the last in this array? true/false',
 112          *           } ,
 113          *           ....
 114          *       ],
 115          *       [ //folders array
 116          *                      {
 117          *               'name': 'folder name',
 118          *               'removeurl': 'url to remove this folder',
 119          *               'first': 'is the first in this array? true/false',
 120          *               'last': 'is the last in this array? true/false',
 121          *           } ,
 122          *           ....
 123          *       ]
 124          *  ]
 125          */
 126         public function determineCategoriesTerms(array $item, int $uid = 0): array
 127         {
 128                 $categories = [];
 129                 $folders = [];
 130                 $first = true;
 131
 132                 $uid = $item['uid'] ?: $uid;
 133
 134                 if (empty($item['has-categories'])) {
 135                         return [$categories, $folders];
 136                 }
 137
 138                 foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::CATEGORY) as $savedFolderName) {
 139                         if (!empty($item['author-link'])) {
 140                                 $url = $item['author-link'] . "?category=" . rawurlencode($savedFolderName);
 141                         } else {
 142                                 $url = '#';
 143                         }
 144                         $categories[] = [
 145                                 'name' => $savedFolderName,
 146                                 'url' => $url,
 147                                 'removeurl' => $this->userSession->getLocalUserId() == $uid ? 'filerm/' . $item['id'] . '?cat=' . rawurlencode($savedFolderName) : '',
 148                                 'first' => $first,
 149                                 'last' => false
 150                         ];
 151                         $first = false;
 152                 }
 153
 154                 if (count($categories)) {
 155                         $categories[count($categories) - 1]['last'] = true;
 156                 }
 157
 158                 if ($this->userSession->getLocalUserId() == $uid) {
 159                         foreach (Post\Category::getArrayByURIId($item['uri-id'], $uid, Post\Category::FILE) as $savedFolderName) {
 160                                 $folders[] = [
 161                                         'name' => $savedFolderName,
 162                                         'url' => "#",
 163                                         'removeurl' => $this->userSession->getLocalUserId() == $uid ? 'filerm/' . $item['id'] . '?term=' . rawurlencode($savedFolderName) : '',
 164                                         'first' => $first,
 165                                         'last' => false
 166                                 ];
 167                                 $first = false;
 168                         }
 169                 }
 170
 171                 if (count($folders)) {
 172                         $folders[count($folders) - 1]['last'] = true;
 173                 }
 174
 175                 return [$categories, $folders];
 176         }
 177
 178         /**
 179          * This function removes the tag $tag from the text $body and replaces it with
 180          * the appropriate link.
 181          *
 182          * @param string $body        the text to replace the tag in
 183          * @param int    $profile_uid the user id to replace the tag for (0 = anyone)
 184          * @param string $tag         the tag to replace
 185          * @param string $network     The network of the post
 186          *
 187          * @return array|bool ['replaced' => $replaced, 'contact' => $contact] or "false" on if already replaced
 188          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 189          * @throws \ImagickException
 190          */
 191         public static function replaceTag(string &$body, int $profile_uid, string $tag, string $network = '')
 192         {
 193                 $replaced = false;
 194
 195                 //is it a person tag?
 196                 if (Tag::isType($tag, Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION)) {
 197                         $tag_type = substr($tag, 0, 1);
 198                         //is it already replaced?
 199                         if (strpos($tag, '[url=')) {
 200                                 return $replaced;
 201                         }
 202
 203                         //get the person's name
 204                         $name = substr($tag, 1);
 205
 206                         // Sometimes the tag detection doesn't seem to work right
 207                         // This is some workaround
 208                         $nameparts = explode(' ', $name);
 209                         $name = $nameparts[0];
 210
 211                         // Try to detect the contact in various ways
 212                         if (strpos($name, 'http://') || strpos($name, '@')) {
 213                                 $contact = Contact::getByURLForUser($name, $profile_uid);
 214                         } else {
 215                                 $contact = false;
 216                                 $fields = ['id', 'url', 'nick', 'name', 'alias', 'network', 'forum', 'prv'];
 217
 218                                 if (strrpos($name, '+')) {
 219                                         // Is it in format @nick+number?
 220                                         $tagcid = intval(substr($name, strrpos($name, '+') + 1));
 221                                         $contact = DBA::selectFirst('contact', $fields, ['id' => $tagcid, 'uid' => $profile_uid]);
 222                                 }
 223
 224                                 // select someone by nick in the current network
 225                                 if (!DBA::isResult($contact) && ($network != '')) {
 226                                         $condition = [
 227                                                 "`nick` = ? AND `network` = ? AND `uid` = ?",
 228                                                 $name, $network, $profile_uid
 229                                         ];
 230                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 231                                 }
 232
 233                                 // select someone by attag in the current network
 234                                 if (!DBA::isResult($contact) && ($network != '')) {
 235                                         $condition = [
 236                                                 "`attag` = ? AND `network` = ? AND `uid` = ?",
 237                                                 $name, $network, $profile_uid
 238                                         ];
 239                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 240                                 }
 241
 242                                 //select someone by name in the current network
 243                                 if (!DBA::isResult($contact) && ($network != '')) {
 244                                         $condition = ['name' => $name, 'network' => $network, 'uid' => $profile_uid];
 245                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 246                                 }
 247
 248                                 // select someone by nick in any network
 249                                 if (!DBA::isResult($contact)) {
 250                                         $condition = ["`nick` = ? AND `uid` = ?", $name, $profile_uid];
 251                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 252                                 }
 253
 254                                 // select someone by attag in any network
 255                                 if (!DBA::isResult($contact)) {
 256                                         $condition = ["`attag` = ? AND `uid` = ?", $name, $profile_uid];
 257                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 258                                 }
 259
 260                                 // select someone by name in any network
 261                                 if (!DBA::isResult($contact)) {
 262                                         $condition = ['name' => $name, 'uid' => $profile_uid];
 263                                         $contact = DBA::selectFirst('contact', $fields, $condition);
 264                                 }
 265                         }
 266
 267                         // Check if $contact has been successfully loaded
 268                         if (DBA::isResult($contact)) {
 269                                 $profile = $contact['url'];
 270                                 $newname = ($contact['name'] ?? '') ?: $contact['nick'];
 271                         }
 272
 273                         //if there is an url for this persons profile
 274                         if (isset($profile) && ($newname != '')) {
 275                                 $replaced = true;
 276                                 // create profile link
 277                                 $profile = str_replace(',', '%2c', $profile);
 278                                 $newtag = $tag_type . '[url=' . $profile . ']' . $newname . '[/url]';
 279                                 $body = str_replace($tag_type . $name, $newtag, $body);
 280                         }
 281                 }
 282
 283                 return ['replaced' => $replaced, 'contact' => $contact];
 284         }
 285
 286         /**
 287          * Render actions localized
 288          *
 289          * @param array $item
 290          * @return void
 291          * @throws ImagickException
 292          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 293          */
 294         public function localize(array &$item)
 295         {
 296                 $this->profiler->startRecording('rendering');
 297                 /// @todo The following functionality needs to be cleaned up.
 298                 if (!empty($item['verb'])) {
 299                         $xmlhead = '<?xml version="1.0" encoding="UTF-8" ?>';
 300
 301                         if ($this->activity->match($item['verb'], Activity::TAG)) {
 302                                 $fields = [
 303                                         'author-id', 'author-link', 'author-name', 'author-network',
 304                                         'verb', 'object-type', 'resource-id', 'body', 'plink'
 305                                 ];
 306                                 $obj = Post::selectFirst($fields, ['uri' => $item['parent-uri']]);
 307                                 if (!DBA::isResult($obj)) {
 308                                         $this->profiler->stopRecording();
 309                                         return;
 310                                 }
 311
 312                                 $author_arr = [
 313                                         'uid' => 0,
 314                                         'id' => $item['author-id'],
 315                                         'network' => $item['author-network'],
 316                                         'url' => $item['author-link'],
 317                                 ];
 318                                 $author  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $item['author-name'] . '[/url]';
 319
 320                                 $author_arr = [
 321                                         'uid' => 0,
 322                                         'id' => $obj['author-id'],
 323                                         'network' => $obj['author-network'],
 324                                         'url' => $obj['author-link'],
 325                                 ];
 326                                 $objauthor  = '[url=' . Contact::magicLinkByContact($author_arr) . ']' . $obj['author-name'] . '[/url]';
 327
 328                                 switch ($obj['verb']) {
 329                                         case Activity::POST:
 330                                                 switch ($obj['object-type']) {
 331                                                         case Activity\ObjectType::EVENT:
 332                                                                 $post_type = $this->l10n->t('event');
 333                                                                 break;
 334                                                         default:
 335                                                                 $post_type = $this->l10n->t('status');
 336                                                 }
 337                                                 break;
 338
 339                                         default:
 340                                                 if ($obj['resource-id']) {
 341                                                         $post_type = $this->l10n->t('photo');
 342                                                         $m = [];
 343                                                         preg_match("/\[url=([^]]*)\]/", $obj['body'], $m);
 344                                                         $rr['plink'] = $m[1];
 345                                                 } else {
 346                                                         $post_type = $this->l10n->t('status');
 347                                                 }
 348                                                 // Let's break everthing ... ;-)
 349                                                 break;
 350                                 }
 351                                 $plink = '[url=' . $obj['plink'] . ']' . $post_type . '[/url]';
 352
 353                                 $parsedobj = XML::parseString($xmlhead . $item['object']);
 354
 355                                 $tag = sprintf('#[url=%s]%s[/url]', $parsedobj->id, $parsedobj->content);
 356                                 $item['body'] = $this->l10n->t('%1$s tagged %2$s\'s %3$s with %4$s', $author, $objauthor, $plink, $tag);
 357                         }
 358                 }
 359
 360                 $this->profiler->stopRecording();
 361         }
 362
 363         /**
 364          * Renders photo menu based on item
 365          *
 366          * @param array $item
 367          * @param string $formSecurityToken
 368          * @return string
 369          */
 370         public function photoMenu(array $item, string $formSecurityToken): string
 371         {
 372                 $this->profiler->startRecording('rendering');
 373                 $sub_link = $contact_url = $pm_url = $status_link = '';
 374                 $photos_link = $posts_link = $block_link = $ignore_link = '';
 375
 376                 if ($this->userSession->getLocalUserId() && $this->userSession->getLocalUserId() == $item['uid'] && $item['gravity'] == ItemModel::GRAVITY_PARENT && !$item['self'] && !$item['mention']) {
 377                         $sub_link = 'javascript:doFollowThread(' . $item['id'] . '); return false;';
 378                 }
 379
 380                 $author = [
 381                         'uid' => 0,
 382                         'id' => $item['author-id'],
 383                         'network' => $item['author-network'],
 384                         'url' => $item['author-link'],
 385                 ];
 386                 $profile_link = Contact::magicLinkByContact($author, $item['author-link']);
 387                 $sparkle = (strpos($profile_link, 'contact/redir/') === 0);
 388
 389                 $cid = 0;
 390                 $pcid = $item['author-id'];
 391                 $network = '';
 392                 $rel = 0;
 393                 $condition = ['uid' => $this->userSession->getLocalUserId(), 'uri-id' => $item['author-uri-id']];
 394                 $contact = DBA::selectFirst('contact', ['id', 'network', 'rel'], $condition);
 395                 if (DBA::isResult($contact)) {
 396                         $cid = $contact['id'];
 397                         $network = $contact['network'];
 398                         $rel = $contact['rel'];
 399                 }
 400
 401                 if ($sparkle) {
 402                         $status_link = $profile_link . '/status';
 403                         $photos_link = $profile_link . '/photos';
 404                         $profile_link = $profile_link . '/profile';
 405                 }
 406
 407                 if (!empty($pcid)) {
 408                         $contact_url   = 'contact/' . $pcid;
 409                         $posts_link    = $contact_url . '/posts';
 410                         $block_link    = $item['self'] ? '' : $contact_url . '/block?t=' . $formSecurityToken;
 411                         $ignore_link   = $item['self'] ? '' : $contact_url . '/ignore?t=' . $formSecurityToken;
 412                         $collapse_link = $item['self'] ? '' : $contact_url . '/collapse?t=' . $formSecurityToken;
 413                 }
 414
 415                 if ($cid && !$item['self']) {
 416                         $contact_url = 'contact/' . $cid;
 417                         $posts_link  = $contact_url . '/posts';
 418
 419                         if (in_array($network, [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA])) {
 420                                 $pm_url = 'message/new/' . $cid;
 421                         }
 422                 }
 423
 424                 if ($this->userSession->getLocalUserId()) {
 425                         $menu = [
 426                                 $this->l10n->t('Follow Thread') => $sub_link,
 427                                 $this->l10n->t('View Status') => $status_link,
 428                                 $this->l10n->t('View Profile') => $profile_link,
 429                                 $this->l10n->t('View Photos') => $photos_link,
 430                                 $this->l10n->t('Network Posts') => $posts_link,
 431                                 $this->l10n->t('View Contact') => $contact_url,
 432                                 $this->l10n->t('Send PM') => $pm_url,
 433                                 $this->l10n->t('Block') => $block_link,
 434                                 $this->l10n->t('Ignore') => $ignore_link,
 435                                 $this->l10n->t('Collapse') => $collapse_link
 436                         ];
 437
 438                         if (!empty($item['language'])) {
 439                                 $menu[$this->l10n->t('Languages')] = 'javascript:alert(\'' . ItemModel::getLanguageMessage($item) . '\');';
 440                         }
 441
 442                         if ((($cid == 0) || ($rel == Contact::FOLLOWER)) &&
 443                                 in_array($item['network'], Protocol::FEDERATED)
 444                         ) {
 445                                 $menu[$this->l10n->t('Connect/Follow')] = 'contact/follow?url=' . urlencode($item['author-link']) . '&auto=1';
 446                         }
 447                 } else {
 448                         $menu = [$this->l10n->t('View Profile') => $item['author-link']];
 449                 }
 450
 451                 $args = ['item' => $item, 'menu' => $menu];
 452
 453                 Hook::callAll('item_photo_menu', $args);
 454
 455                 $menu = $args['menu'];
 456
 457                 $o = '';
 458                 foreach ($menu as $k => $v) {
 459                         if (strpos($v, 'javascript:') === 0) {
 460                                 $v = substr($v, 11);
 461                                 $o .= '<li role="menuitem"><a onclick="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 462                         } elseif ($v) {
 463                                 $o .= '<li role="menuitem"><a href="' . $v . '">' . $k . '</a></li>' . PHP_EOL;
 464                         }
 465                 }
 466                 $this->profiler->stopRecording();
 467                 return $o;
 468         }
 469
 470         /**
 471          * Checks if the activity is visible to current user
 472          *
 473          * @param array $item Activity item
 474          * @return bool Whether the item is visible to the user
 475          */
 476         public function isVisibleActivity(array $item): bool
 477         {
 478                 // Empty verb or hidden?
 479                 if (empty($item['verb']) || $this->activity->isHidden($item['verb'])) {
 480                         return false;
 481                 }
 482
 483                 // Check conditions
 484                 return (!($this->activity->match($item['verb'], Activity::FOLLOW) &&
 485                         $item['object-type'] === Activity\ObjectType::NOTE &&
 486                         empty($item['self']) &&
 487                         $item['uid'] == $this->userSession->getLocalUserId())
 488                 );
 489         }
 490
 491         public function expandTags(array $item, bool $setPermissions = false): array
 492         {
 493                 // Look for any tags and linkify them
 494                 $item['inform'] = '';
 495                 $private_forum  = false;
 496                 $private_id     = null;
 497                 $only_to_forum  = false;
 498                 $forum_contact  = [];
 499                 $receivers      = [];
 500
 501                 // Convert mentions in the body to a unified format
 502                 $item['body'] = BBCode::setMentions($item['body'], $item['uid'], $item['network']);
 503
 504                 // Search for forum mentions
 505                 foreach (Tag::getFromBody($item['body'], Tag::TAG_CHARACTER[Tag::MENTION] . Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]) as $tag) {
 506                         $contact = Contact::getByURLForUser($tag[2], $item['uid']);
 507                         if (empty($contact)) {
 508                                 continue;
 509                         }
 510
 511                         $receivers[] = $contact['id'];
 512
 513                         if (!empty($item['inform'])) {
 514                                 $item['inform'] .= ',';
 515                         }
 516                         $item['inform'] .= 'cid:' . $contact['id'];
 517
 518                         if (($item['gravity'] == ItemModel::GRAVITY_COMMENT) || empty($contact['cid']) || ($contact['contact-type'] != Contact::TYPE_COMMUNITY)) {
 519                                 continue;
 520                         }
 521
 522                         if (!empty($contact['prv']) || ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
 523                                 $private_forum = $contact['prv'];
 524                                 $only_to_forum = ($tag[1] == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
 525                                 $private_id = $contact['id'];
 526                                 $forum_contact = $contact;
 527                                 Logger::info('Private forum or exclusive mention', ['url' => $tag[2], 'mention' => $tag[1]]);
 528                         } elseif ($item['allow_cid'] == '<' . $contact['id'] . '>') {
 529                                 $private_forum = false;
 530                                 $only_to_forum = true;
 531                                 $private_id = $contact['id'];
 532                                 $forum_contact = $contact;
 533                                 Logger::info('Public forum', ['url' => $tag[2], 'mention' => $tag[1]]);
 534                         } else {
 535                                 Logger::info('Post with forum mention will not be converted to a forum post', ['url' => $tag[2], 'mention' => $tag[1]]);
 536                         }
 537                 }
 538                 Logger::info('Got inform', ['inform' => $item['inform']]);
 539
 540                 if (($item['gravity'] == ItemModel::GRAVITY_PARENT) && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
 541                         // we tagged a forum in a top level post. Now we change the post
 542                         $item['private'] = $private_forum ? ItemModel::PRIVATE : ItemModel::UNLISTED;
 543
 544                         if ($only_to_forum) {
 545                                 $item['postopts'] = '';
 546                         }
 547
 548                         $item['deny_cid'] = '';
 549                         $item['deny_gid'] = '';
 550
 551                         if ($private_forum) {
 552                                 $item['allow_cid'] = '<' . $private_id . '>';
 553                                 $item['allow_gid'] = '<' . Group::getIdForForum($forum_contact['id']) . '>';
 554                         } else {
 555                                 $item['allow_cid'] = '';
 556                                 $item['allow_gid'] = '';
 557                         }
 558                 } elseif ($setPermissions && ($item['gravity'] == ItemModel::GRAVITY_PARENT)) {
 559                         if (empty($receivers)) {
 560                                 // For security reasons direct posts without any receiver will be posts to yourself
 561                                 $self = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
 562                                 $receivers[] = $self['id'];
 563                         }
 564
 565                         $item['private']   = ItemModel::PRIVATE;
 566                         $item['allow_cid'] = '';
 567                         $item['allow_gid'] = '';
 568                         $item['deny_cid']  = '';
 569                         $item['deny_gid']  = '';
 570
 571                         foreach ($receivers as $receiver) {
 572                                 $item['allow_cid'] .= '<' . $receiver . '>';
 573                         }
 574                 }
 575                 return $item;
 576         }
 577
 578         public function getAuthorAvatar(array $item): string
 579         {
 580                 if (in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
 581                         $author_avatar  = $item['contact-id'];
 582                         $author_updated = '';
 583                         $author_thumb   = $item['contact-avatar'];
 584                 } else {
 585                         $author_avatar  = $item['author-id'];
 586                         $author_updated = $item['author-updated'];
 587                         $author_thumb   = $item['author-avatar'];
 588                 }
 589
 590
 591                 if (empty($author_thumb) || Photo::isPhotoURI($author_thumb)) {
 592                         $author_thumb = Contact::getAvatarUrlForId($author_avatar, Proxy::SIZE_THUMB, $author_updated);
 593                 }
 594
 595                 return $author_thumb;
 596         }
 597
 598         public function getOwnerAvatar(array $item): string
 599         {
 600                 if (in_array($item['network'], [Protocol::FEED, Protocol::MAIL])) {
 601                         $owner_avatar  = $item['contact-id'];
 602                         $owner_updated = '';
 603                         $owner_thumb   = $item['contact-avatar'];
 604                 } else {
 605                         $owner_avatar   = $item['owner-id'];
 606                         $owner_updated  = $item['owner-updated'];
 607                         $owner_thumb    = $item['owner-avatar'];
 608                 }
 609
 610                 if (empty($owner_thumb) || Photo::isPhotoURI($owner_thumb)) {
 611                         $owner_thumb = Contact::getAvatarUrlForId($owner_avatar, Proxy::SIZE_THUMB, $owner_updated);
 612                 }
 613
 614                 return $owner_thumb;
 615         }
 616
 617         /**
 618          * Add a share block for the given uri-id
 619          *
 620          * @param array  $item
 621          * @param string $body
 622          * @return string
 623          */
 624         public function addSharedPost(array $item, string $body = ''): string
 625         {
 626                 if (empty($body)) {
 627                         $body = $item['body'];
 628                 }
 629
 630                 if (empty($item['quote-uri-id'])) {
 631                         return $body;
 632                 }
 633
 634                 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network', 'quote-uri-id'];
 635                 $shared_item = Post::selectFirst($fields, ['uri-id' => $item['quote-uri-id'], 'uid' => [$item['uid'], 0], 'private' => [ItemModel::PUBLIC, ItemModel::UNLISTED]]);
 636                 if (!DBA::isResult($shared_item)) {
 637                         Logger::notice('Post does not exist.', ['uri-id' => $item['quote-uri-id'], 'uid' => $item['uid']]);
 638                         return $body;
 639                 }
 640
 641                 return trim(BBCode::removeSharedData($body) . "\n" . $this->createSharedBlockByArray($shared_item, true));
 642         }
 643
 644         /**
 645          * Add a share block for the given guid
 646          *
 647          * @param string $guid
 648          * @param integer $uid
 649          * @param bool $add_media
 650          * @return string
 651          */
 652         private function createSharedPostByGuid(string $guid, bool $add_media): string
 653         {
 654                 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network'];
 655                 $shared_item = Post::selectFirst($fields, ['guid' => $guid, 'uid' => 0, 'private' => [ItemModel::PUBLIC, ItemModel::UNLISTED]]);
 656
 657                 if (!DBA::isResult($shared_item)) {
 658                         Logger::notice('Post does not exist.', ['guid' => $guid]);
 659                         return '';
 660                 }
 661
 662                 return $this->createSharedBlockByArray($shared_item, $add_media);
 663         }
 664
 665         /**
 666          * Add a share block for the given item array
 667          *
 668          * @param array $item
 669          * @param bool $add_media
 670          * @return string
 671          */
 672         public function createSharedBlockByArray(array $item, bool $add_media = false): string
 673         {
 674                 if ($item['network'] == Protocol::FEED) {
 675                         return PageInfo::getFooterFromUrl($item['plink']);
 676                 } elseif (!in_array($item['network'] ?? '', Protocol::FEDERATED)) {
 677                         $item['guid'] = '';
 678                         $item['uri']  = '';
 679                 }
 680
 681                 if ($add_media) {
 682                         $item['body'] = Post\Media::addAttachmentsToBody($item['uri-id'], $item['body']);
 683                 }
 684
 685                 $shared_content = BBCode::getShareOpeningTag($item['author-name'], $item['author-link'], $item['author-avatar'], $item['plink'], $item['created'], $item['guid'], $item['uri']);
 686
 687                 if (!empty($item['title'])) {
 688                         $shared_content .= '[h3]' . $item['title'] . "[/h3]\n";
 689                 }
 690
 691                 $shared = $this->getShareArray($item);
 692
 693                 // If it is a reshared post then reformat it to avoid display problems with two share elements
 694                 if (!empty($shared)) {
 695                         if (!empty($shared['guid']) && ($encaspulated_share = $this->createSharedPostByGuid($shared['guid'], true))) {
 696                                 if (!empty(BBCode::fetchShareAttributes($item['body']))) {
 697                                         $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $encaspulated_share, $item['body']);
 698                                 } else {
 699                                         $item['body'] .= $encaspulated_share;
 700                                 }
 701                         }
 702                         $item['body'] = HTML::toBBCode(BBCode::convertForUriId($item['uri-id'], $item['body'], BBCode::ACTIVITYPUB));
 703                 }
 704
 705                 $shared_content .= $item['body'] . '[/share]';
 706
 707                 return $shared_content;
 708         }
 709
 710         /**
 711          * Return the shared post from an item array (if the item is shared item)
 712          *
 713          * @param array $item
 714          * @param array $fields
 715          *
 716          * @return array with the shared post
 717          */
 718         public function getSharedPost(array $item, array $fields = []): array
 719         {
 720                 if (!empty($item['quote-uri-id'])) {
 721                         $shared = Post::selectFirst($fields, ['uri-id' => $item['quote-uri-id'], 'uid' => [0, $item['uid'] ?? 0]]);
 722                         if (is_array($shared)) {
 723                                 return [
 724                                         'comment' => BBCode::removeSharedData($item['body'] ?? ''),
 725                                         'post'    => $shared
 726                                 ];
 727                         }
 728                 }
 729
 730                 $attributes = BBCode::fetchShareAttributes($item['body'] ?? '');
 731                 if (!empty($attributes)) {
 732                         $shared = Post::selectFirst($fields, ['guid' => $attributes['guid'], 'uid' => [0, $item['uid'] ?? 0]]);
 733                         if (is_array($shared)) {
 734                                 return [
 735                                         'comment' => $attributes['comment'],
 736                                         'post'    => $shared
 737                                 ];
 738                         }
 739                 }
 740
 741                 return [];
 742         }
 743
 744         /**
 745          * Return share data from an item array (if the item is shared item)
 746          * We are providing the complete Item array, because at some time in the future
 747          * we hopefully will define these values not in the body anymore but in some item fields.
 748          * This function is meant to replace all similar functions in the system.
 749          *
 750          * @param array $item
 751          *
 752          * @return array with share information
 753          */
 754         private function getShareArray(array $item): array
 755         {
 756                 $attributes = BBCode::fetchShareAttributes($item['body'] ?? '');
 757                 if (!empty($attributes)) {
 758                         return $attributes;
 759                 }
 760
 761                 if (!empty($item['quote-uri-id'])) {
 762                         $shared = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'uri', 'body'], ['uri-id' => $item['quote-uri-id']]);
 763                         if (!empty($shared)) {
 764                                 return [
 765                                         'author'     => $shared['author-name'],
 766                                         'profile'    => $shared['author-link'],
 767                                         'avatar'     => $shared['author-avatar'],
 768                                         'link'       => $shared['plink'],
 769                                         'posted'     => $shared['created'],
 770                                         'guid'       => $shared['guid'],
 771                                         'message_id' => $shared['uri'],
 772                                         'comment'    => $item['body'],
 773                                         'shared'     => $shared['body'],
 774                                 ];
 775                         }
 776                 }
 777
 778                 return [];
 779         }
 780
 781         /**
 782          * Add a link to a shared post at the end of the post
 783          *
 784          * @param string  $body
 785          * @param integer $quote_uri_id
 786          * @return string
 787          */
 788         public function addShareLink(string $body, int $quote_uri_id): string
 789         {
 790                 $post = Post::selectFirstPost(['uri', 'plink'], ['uri-id' => $quote_uri_id]);
 791                 if (empty($post)) {
 792                         return $body;
 793                 }
 794
 795                 $body = BBCode::removeSharedData($body);
 796
 797                 $body .= "\n♲ " . ($post['plink'] ?: $post['uri']);
 798
 799                 return $body;
 800         }
 801
 802         public function storeAttachmentFromRequest(array $request): string
 803         {
 804                 $attachment_type  = $request['attachment_type'] ??  '';
 805                 $attachment_title = $request['attachment_title'] ?? '';
 806                 $attachment_text  = $request['attachment_text'] ??  '';
 807
 808                 $attachment_url     = hex2bin($request['attachment_url'] ??     '');
 809                 $attachment_img_src = hex2bin($request['attachment_img_src'] ?? '');
 810
 811                 $attachment_img_width  = $request['attachment_img_width'] ??  0;
 812                 $attachment_img_height = $request['attachment_img_height'] ?? 0;
 813
 814                 // Fetch the basic attachment data
 815                 $attachment = ParseUrl::getSiteinfoCached($attachment_url);
 816                 unset($attachment['keywords']);
 817
 818                 // Overwrite the basic data with possible changes from the frontend
 819                 $attachment['type'] = $attachment_type;
 820                 $attachment['title'] = $attachment_title;
 821                 $attachment['text'] = $attachment_text;
 822                 $attachment['url'] = $attachment_url;
 823
 824                 if (!empty($attachment_img_src)) {
 825                         $attachment['images'] = [
 826                                 0 => [
 827                                         'src'    => $attachment_img_src,
 828                                         'width'  => $attachment_img_width,
 829                                         'height' => $attachment_img_height
 830                                 ]
 831                         ];
 832                 } else {
 833                         unset($attachment['images']);
 834                 }
 835
 836                 return "\n" . PageInfo::getFooterFromData($attachment);
 837         }
 838
 839         public function addCategories(array $post, string $category): array
 840         {
 841                 if (!empty($post['file'])) {
 842                         // get the "fileas" tags for this post
 843                         $filedas = FileTag::fileToArray($post['file']);
 844                 }
 845
 846                 $list_array = explode(',', trim($category));
 847                 $post['file'] = FileTag::arrayToFile($list_array, 'category');
 848
 849                 if (!empty($filedas) && is_array($filedas)) {
 850                         // append the fileas stuff to the new categories list
 851                         $post['file'] .= FileTag::arrayToFile($filedas);
 852                 }
 853                 return $post;
 854         }
 855
 856         public function getACL(array $post, array $toplevel_item, array $request): array
 857         {
 858                 // If this is a comment, set the permissions from the parent.
 859                 if ($toplevel_item) {
 860                         $post['allow_cid'] = $toplevel_item['allow_cid'] ?? '';
 861                         $post['allow_gid'] = $toplevel_item['allow_gid'] ?? '';
 862                         $post['deny_cid']  = $toplevel_item['deny_cid'] ?? '';
 863                         $post['deny_gid']  = $toplevel_item['deny_gid'] ?? '';
 864                         $post['private']   = $toplevel_item['private'];
 865                         return $post;
 866                 }
 867
 868                 $user = User::getById($post['uid'], ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid']);
 869                 if (!$user) {
 870                         throw new HTTPException\NotFoundException($this->l10n->t('Unable to fetch user.'));
 871                 }
 872
 873                 $post['allow_cid'] = isset($request['contact_allow']) ? $this->aclFormatter->toString($request['contact_allow']) : $user['allow_cid'] ?? '';
 874                 $post['allow_gid'] = isset($request['group_allow'])   ? $this->aclFormatter->toString($request['group_allow'])   : $user['allow_gid'] ?? '';
 875                 $post['deny_cid']  = isset($request['contact_deny'])  ? $this->aclFormatter->toString($request['contact_deny'])  : $user['deny_cid']  ?? '';
 876                 $post['deny_gid']  = isset($request['group_deny'])    ? $this->aclFormatter->toString($request['group_deny'])    : $user['deny_gid']  ?? '';
 877
 878                 $visibility = $request['visibility'] ?? '';
 879                 if ($visibility === 'public') {
 880                         // The ACL selector introduced in version 2019.12 sends ACL input data even when the Public visibility is selected
 881                         $post['allow_cid'] = $post['allow_gid'] = $post['deny_cid'] = $post['deny_gid'] = '';
 882                 } else if ($visibility === 'custom') {
 883                         // Since we know from the visibility parameter the item should be private, we have to prevent the empty ACL
 884                         // case that would make it public. So we always append the author's contact id to the allowed contacts.
 885                         // See https://github.com/friendica/friendica/issues/9672
 886                         $post['allow_cid'] .= $this->aclFormatter->toString(Contact::getPublicIdByUserId($post['uid']));
 887                 }
 888
 889                 if ($post['allow_gid'] || $post['allow_cid'] || $post['deny_gid'] || $post['deny_cid']) {
 890                         $post['private'] = ItemModel::PRIVATE;
 891                 } elseif ($this->pConfig->get($post['uid'], 'system', 'unlisted')) {
 892                         $post['private'] = ItemModel::UNLISTED;
 893                 } else {
 894                         $post['private'] = ItemModel::PUBLIC;
 895                 }
 896
 897                 return $post;
 898         }
 899
 900         public function moveAttachmentsFromBodyToAttach(array $post): array
 901         {
 902                 if (!preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/', $post['body'], $match)) {
 903                         return $post;
 904                 }
 905
 906                 foreach ($match[2] as $attachment_id) {
 907                         $attachment = Attach::selectFirst(['id', 'uid', 'filename', 'filesize', 'filetype'], ['id' => $attachment_id, 'uid' => $post['uid']]);
 908                         if (empty($attachment)) {
 909                                 continue;
 910                         }
 911                         if ($post['attach']) {
 912                                 $post['attach'] .= ',';
 913                         }
 914                         $post['attach'] .= Post\Media::getAttachElement(
 915                                 $this->baseURL . '/attach/' . $attachment['id'],
 916                                 $attachment['filesize'],
 917                                 $attachment['filetype'],
 918                                 $attachment['filename'] ?? ''
 919                         );
 920
 921                         $fields = [
 922                                 'allow_cid' => $post['allow_cid'], 'allow_gid' => $post['allow_gid'],
 923                                 'deny_cid' => $post['deny_cid'], 'deny_gid' => $post['deny_gid']
 924                         ];
 925                         $condition = ['id' => $attachment_id];
 926                         Attach::update($fields, $condition);
 927                 }
 928
 929                 $post['body'] = str_replace($match[1], '', $post['body']);
 930
 931                 return $post;
 932         }
 933
 934         private function setObjectType(array $post): array
 935         {
 936                 if (empty($post['post-type'])) {
 937                         $post['post-type'] = empty($post['title']) ? ItemModel::PT_NOTE : ItemModel::PT_ARTICLE;
 938                 }
 939
 940                 // embedded bookmark or attachment in post? set bookmark flag
 941                 $data = BBCode::getAttachmentData($post['body']);
 942                 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $post['body'], $match, PREG_SET_ORDER) || !empty($data['type']))
 943                         && ($post['post-type'] != ItemModel::PT_PERSONAL_NOTE)
 944                 ) {
 945                         $post['post-type'] = ItemModel::PT_PAGE;
 946                         $post['object-type'] = Activity\ObjectType::BOOKMARK;
 947                 }
 948
 949                 // Setting the object type if not defined before
 950                 if (empty($post['object-type'])) {
 951                         $post['object-type'] = ($post['gravity'] == ItemModel::GRAVITY_PARENT) ? Activity\ObjectType::NOTE : Activity\ObjectType::COMMENT;
 952                 }
 953                 return $post;
 954         }
 955
 956         public function initializePost(array $post): array
 957         {
 958                 $post['network']    = Protocol::DFRN;
 959                 $post['protocol']   = Conversation::PARCEL_DIRECT;
 960                 $post['direction']  = Conversation::PUSH;
 961                 $post['received']   = DateTimeFormat::utcNow();
 962                 $post['origin']     = true;
 963                 $post['wall']       = $post['wall'] ?? true;
 964                 $post['guid']       = $post['guid'] ?? System::createUUID();
 965                 $post['verb']       = $post['verb'] ?? Activity::POST;
 966                 $post['uri']        = $post['uri'] ?? ItemModel::newURI($post['guid']);
 967                 $post['thr-parent'] = $post['thr-parent'] ?? $post['uri'];
 968
 969                 if (empty($post['gravity'])) {
 970                         $post['gravity'] = ($post['uri'] == $post['thr-parent']) ? ItemModel::GRAVITY_PARENT : ItemModel::GRAVITY_COMMENT;
 971                 }
 972
 973                 $owner = User::getOwnerDataById($post['uid']);
 974
 975                 if (!isset($post['allow_cid']) || !isset($post['allow_gid']) || !isset($post['deny_cid']) || !isset($post['deny_gid'])) {
 976                         $post['allow_cid'] = $owner['allow_cid'];
 977                         $post['allow_gid'] = $owner['allow_gid'];
 978                         $post['deny_cid']  = $owner['deny_cid'];
 979                         $post['deny_gid']  = $owner['deny_gid'];
 980                 }
 981
 982                 if ($post['allow_gid'] || $post['allow_cid'] || $post['deny_gid'] || $post['deny_cid']) {
 983                         $post['private'] = ItemModel::PRIVATE;
 984                 } elseif ($this->pConfig->get($post['uid'], 'system', 'unlisted')) {
 985                         $post['private'] = ItemModel::UNLISTED;
 986                 } else {
 987                         $post['private'] = ItemModel::PUBLIC;
 988                 }
 989
 990                 if (empty($post['contact-id'])) {
 991                         $post['contact-id'] = $owner['id'];
 992                 }
 993
 994                 if (empty($post['author-link']) && empty($post['author-id'])) {
 995                         $post['author-link']   = $owner['url'];
 996                         $post['author-id']     = Contact::getIdForURL($post['author-link']);
 997                         $post['author-name']   = $owner['name'];
 998                         $post['author-avatar'] = $owner['thumb'];
 999                 }
1000
1001                 if (empty($post['owner-link']) && empty($post['owner-id'])) {
1002                         $post['owner-link']   = $post['author-link'];
1003                         $post['owner-id']     = Contact::getIdForURL($post['owner-link']);
1004                         $post['owner-name']   = $post['author-name'];
1005                         $post['owner-avatar'] = $post['author-avatar'];
1006                 }
1007
1008                 return $post;
1009         }
1010
1011         public function finalizePost(array $post): array
1012         {
1013                 if (preg_match("/\[attachment\](.*?)\[\/attachment\]/ism", $post['body'], $matches)) {
1014                         $post['body'] = preg_replace("/\[attachment].*?\[\/attachment\]/ism", PageInfo::getFooterFromUrl($matches[1]), $post['body']);
1015                 }
1016
1017                 // Convert links with empty descriptions to links without an explicit description
1018                 $post['body'] = trim(preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $post['body']));
1019                 $post['body'] = $this->bbCodeVideo->transform($post['body']);
1020                 $post = $this->setObjectType($post);
1021
1022                 // Personal notes must never be altered to a forum post.
1023                 if ($post['post-type'] != ItemModel::PT_PERSONAL_NOTE) {
1024                         // Look for any tags and linkify them
1025                         $post = $this->expandTags($post);
1026                 }
1027
1028                 return $post;
1029         }
1030
1031         public function postProcessPost(array $post, array $recipients = [])
1032         {
1033                 if (!\Friendica\Content\Feature::isEnabled($post['uid'], 'explicit_mentions') && ($post['gravity'] == ItemModel::GRAVITY_COMMENT)) {
1034                         Tag::createImplicitMentions($post['uri-id'], $post['thr-parent-id']);
1035                 }
1036
1037                 Hook::callAll('post_local_end', $post);
1038
1039                 $author = DBA::selectFirst('contact', ['thumb'], ['uid' => $post['uid'], 'self' => true]);
1040
1041                 foreach ($recipients as $recipient) {
1042                         $address = trim($recipient);
1043                         if (!$address) {
1044                                 continue;
1045                         }
1046
1047                         $this->emailer->send(new ItemCCEMail(
1048                                 $this->app,
1049                                 $this->l10n,
1050                                 $this->baseURL,
1051                                 $post,
1052                                 $address,
1053                                 $author['thumb'] ?? ''
1054                         ));
1055                 }
1056         }
1057 }