mod/item.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   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  * This is the POST destination for most all locally posted
  21  * text stuff. This function handles status, wall-to-wall status,
  22  * local comments, and remote coments that are posted on this site
  23  * (as opposed to being delivered in a feed).
  24  * Also processed here are posts and comments coming through the
  25  * statusnet/twitter API.
  26  *
  27  * All of these become an "item" which is our basic unit of
  28  * information.
  29  */
  30
  31 use Friendica\App;
  32 use Friendica\Content\Item as ItemHelper;
  33 use Friendica\Content\PageInfo;
  34 use Friendica\Content\Text\BBCode;
  35 use Friendica\Core\Hook;
  36 use Friendica\Core\Logger;
  37 use Friendica\Core\Protocol;
  38 use Friendica\Core\Renderer;
  39 use Friendica\Core\Session;
  40 use Friendica\Core\System;
  41 use Friendica\Core\Worker;
  42 use Friendica\Database\DBA;
  43 use Friendica\DI;
  44 use Friendica\Model\Attach;
  45 use Friendica\Model\Contact;
  46 use Friendica\Model\Conversation;
  47 use Friendica\Model\FileTag;
  48 use Friendica\Model\Item;
  49 use Friendica\Model\Notify\Type;
  50 use Friendica\Model\Photo;
  51 use Friendica\Model\Tag;
  52 use Friendica\Network\HTTPException;
  53 use Friendica\Object\EMail\ItemCCEMail;
  54 use Friendica\Protocol\Activity;
  55 use Friendica\Protocol\Diaspora;
  56 use Friendica\Util\DateTimeFormat;
  57 use Friendica\Util\Security;
  58 use Friendica\Util\Strings;
  59 use Friendica\Worker\Delivery;
  60
  61 function item_post(App $a) {
  62         if (!Session::isAuthenticated()) {
  63                 throw new HTTPException\ForbiddenException();
  64         }
  65
  66         $uid = local_user();
  67
  68         if (!empty($_REQUEST['dropitems'])) {
  69                 $arr_drop = explode(',', $_REQUEST['dropitems']);
  70                 foreach ($arr_drop as $item) {
  71                         Item::deleteForUser(['id' => $item], $uid);
  72                 }
  73
  74                 $json = ['success' => 1];
  75                 System::jsonExit($json);
  76         }
  77
  78         Hook::callAll('post_local_start', $_REQUEST);
  79
  80         Logger::debug('postvars', ['_REQUEST' => $_REQUEST]);
  81
  82         $api_source = $_REQUEST['api_source'] ?? false;
  83
  84         $message_id = ((!empty($_REQUEST['message_id']) && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
  85
  86         $return_path = $_REQUEST['return'] ?? '';
  87         $preview = intval($_REQUEST['preview'] ?? 0);
  88
  89         /*
  90          * Check for doubly-submitted posts, and reject duplicates
  91          * Note that we have to ignore previews, otherwise nothing will post
  92          * after it's been previewed
  93          */
  94         if (!$preview && !empty($_REQUEST['post_id_random'])) {
  95                 if (!empty($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  96                         Logger::info('item post: duplicate post');
  97                         item_post_return(DI::baseUrl(), $api_source, $return_path);
  98                 } else {
  99                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
 100                 }
 101         }
 102
 103         // Is this a reply to something?
 104         $toplevel_item_id = intval($_REQUEST['parent'] ?? 0);
 105         $thr_parent_uri = trim($_REQUEST['parent_uri'] ?? '');
 106
 107         $toplevel_item = null;
 108         $parent_user = null;
 109
 110         $objecttype = null;
 111         $profile_uid = ($_REQUEST['profile_uid'] ?? 0) ?: local_user();
 112         $posttype = ($_REQUEST['post_type'] ?? '') ?: Item::PT_ARTICLE;
 113
 114         if ($toplevel_item_id || $thr_parent_uri) {
 115                 if ($toplevel_item_id) {
 116                         $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item_id]);
 117                 } elseif ($thr_parent_uri) {
 118                         $toplevel_item = Item::selectFirst([], ['uri' => $thr_parent_uri, 'uid' => $profile_uid]);
 119                 }
 120
 121                 // if this isn't the top-level parent of the conversation, find it
 122                 if (DBA::isResult($toplevel_item)) {
 123                         // The URI and the contact is taken from the direct parent which needn't to be the top parent
 124                         $thr_parent_uri = $toplevel_item['uri'];
 125
 126                         if ($toplevel_item['gravity'] != GRAVITY_PARENT) {
 127                                 $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item['parent']]);
 128                         }
 129                 }
 130
 131                 if (!DBA::isResult($toplevel_item)) {
 132                         notice(DI::l10n()->t('Unable to locate original post.'));
 133                         if ($return_path) {
 134                                 DI::baseUrl()->redirect($return_path);
 135                         }
 136                         throw new HTTPException\NotFoundException(DI::l10n()->t('Unable to locate original post.'));
 137                 }
 138
 139                 $toplevel_item_id = $toplevel_item['id'];
 140                 $parent_user = $toplevel_item['uid'];
 141
 142                 $objecttype = Activity\ObjectType::COMMENT;
 143         }
 144
 145         if ($toplevel_item_id) {
 146                 Logger::info('mod_item: item_post', ['parent' => $toplevel_item_id]);
 147         }
 148
 149         $post_id     = intval($_REQUEST['post_id'] ?? 0);
 150         $app         = strip_tags($_REQUEST['source'] ?? '');
 151         $extid       = strip_tags($_REQUEST['extid'] ?? '');
 152         $object      = $_REQUEST['object'] ?? '';
 153
 154         // Don't use "defaults" here. It would turn 0 to 1
 155         if (!isset($_REQUEST['wall'])) {
 156                 $wall = 1;
 157         } else {
 158                 $wall = $_REQUEST['wall'];
 159         }
 160
 161         // Ensure that the user id in a thread always stay the same
 162         if (!is_null($parent_user) && in_array($parent_user, [local_user(), 0])) {
 163                 $profile_uid = $parent_user;
 164         }
 165
 166         // Check for multiple posts with the same message id (when the post was created via API)
 167         if (($message_id != '') && ($profile_uid != 0)) {
 168                 if (Item::exists(['uri' => $message_id, 'uid' => $profile_uid])) {
 169                         Logger::info('Message already exists for user', ['uri' => $message_id, 'uid' => $profile_uid]);
 170                         return 0;
 171                 }
 172         }
 173
 174         // Allow commenting if it is an answer to a public post
 175         $allow_comment = local_user() && ($profile_uid == 0) && $toplevel_item_id && in_array($toplevel_item['network'], Protocol::FEDERATED);
 176
 177         // Now check that valid personal details have been provided
 178         if (!Security::canWriteToUserWall($profile_uid) && !$allow_comment) {
 179                 notice(DI::l10n()->t('Permission denied.'));
 180                 if ($return_path) {
 181                         DI::baseUrl()->redirect($return_path);
 182                 }
 183
 184                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
 185         }
 186
 187         // Init post instance
 188         $orig_post = null;
 189
 190         // is this an edited post?
 191         if ($post_id > 0) {
 192                 $orig_post = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
 193         }
 194
 195         $user = DBA::selectFirst('user', [], ['uid' => $profile_uid]);
 196
 197         if (!DBA::isResult($user) && !$toplevel_item_id) {
 198                 return 0;
 199         }
 200
 201         $categories = '';
 202         $postopts = '';
 203         $emailcc = '';
 204         $body = $_REQUEST['body'] ?? '';
 205         $has_attachment = $_REQUEST['has_attachment'] ?? 0;
 206
 207         // If we have a speparate attachment, we need to add it to the body.
 208         if (!empty($has_attachment)) {
 209                 $attachment_type  = $_REQUEST['attachment_type'] ??  '';
 210                 $attachment_title = $_REQUEST['attachment_title'] ?? '';
 211                 $attachment_text  = $_REQUEST['attachment_text'] ??  '';
 212
 213                 $attachment_url     = hex2bin($_REQUEST['attachment_url'] ??     '');
 214                 $attachment_img_src = hex2bin($_REQUEST['attachment_img_src'] ?? '');
 215
 216                 $attachment_img_width  = $_REQUEST['attachment_img_width'] ??  0;
 217                 $attachment_img_height = $_REQUEST['attachment_img_height'] ?? 0;
 218                 $attachment = [
 219                         'type'   => $attachment_type,
 220                         'title'  => $attachment_title,
 221                         'text'   => $attachment_text,
 222                         'url'    => $attachment_url,
 223                 ];
 224
 225                 if (!empty($attachment_img_src)) {
 226                         $attachment['images'] = [
 227                                 0 => [
 228                                         'src'    => $attachment_img_src,
 229                                         'width'  => $attachment_img_width,
 230                                         'height' => $attachment_img_height
 231                                 ]
 232                         ];
 233                 }
 234
 235                 $att_bbcode = "\n" . PageInfo::getFooterFromData($attachment);
 236                 $body .= $att_bbcode;
 237         }
 238
 239         // Convert links with empty descriptions to links without an explicit description
 240         $body = preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $body);
 241
 242         if (!empty($orig_post)) {
 243                 $str_group_allow   = $orig_post['allow_gid'];
 244                 $str_contact_allow = $orig_post['allow_cid'];
 245                 $str_group_deny    = $orig_post['deny_gid'];
 246                 $str_contact_deny  = $orig_post['deny_cid'];
 247                 $location          = $orig_post['location'];
 248                 $coord             = $orig_post['coord'];
 249                 $verb              = $orig_post['verb'];
 250                 $objecttype        = $orig_post['object-type'];
 251                 $app               = $orig_post['app'];
 252                 $categories        = $orig_post['file'] ?? '';
 253                 $title             = Strings::escapeTags(trim($_REQUEST['title']));
 254                 $body              = trim($body);
 255                 $private           = $orig_post['private'];
 256                 $pubmail_enabled   = $orig_post['pubmail'];
 257                 $network           = $orig_post['network'];
 258                 $guid              = $orig_post['guid'];
 259                 $extid             = $orig_post['extid'];
 260         } else {
 261                 $str_contact_allow = '';
 262                 $str_group_allow   = '';
 263                 $str_contact_deny  = '';
 264                 $str_group_deny    = '';
 265
 266                 if (($_REQUEST['visibility'] ?? '') !== 'public') {
 267                         $aclFormatter = DI::aclFormatter();
 268                         $str_contact_allow = isset($_REQUEST['contact_allow']) ? $aclFormatter->toString($_REQUEST['contact_allow']) : $user['allow_cid'] ?? '';
 269                         $str_group_allow   = isset($_REQUEST['group_allow'])   ? $aclFormatter->toString($_REQUEST['group_allow'])   : $user['allow_gid'] ?? '';
 270                         $str_contact_deny  = isset($_REQUEST['contact_deny'])  ? $aclFormatter->toString($_REQUEST['contact_deny'])  : $user['deny_cid']  ?? '';
 271                         $str_group_deny    = isset($_REQUEST['group_deny'])    ? $aclFormatter->toString($_REQUEST['group_deny'])    : $user['deny_gid']  ?? '';
 272                 }
 273
 274                 $title             = Strings::escapeTags(trim($_REQUEST['title']    ?? ''));
 275                 $location          = Strings::escapeTags(trim($_REQUEST['location'] ?? ''));
 276                 $coord             = Strings::escapeTags(trim($_REQUEST['coord']    ?? ''));
 277                 $verb              = Strings::escapeTags(trim($_REQUEST['verb']     ?? ''));
 278                 $emailcc           = Strings::escapeTags(trim($_REQUEST['emailcc']  ?? ''));
 279                 $body              = trim($body);
 280                 $network           = Strings::escapeTags(trim(($_REQUEST['network']  ?? '') ?: Protocol::DFRN));
 281                 $guid              = System::createUUID();
 282
 283                 $postopts = $_REQUEST['postopts'] ?? '';
 284
 285                 if (strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) {
 286                         $private = Item::PRIVATE;
 287                 } elseif (DI::pConfig()->get($profile_uid, 'system', 'unlisted')) {
 288                         $private = Item::UNLISTED;
 289                 } else {
 290                         $private = Item::PUBLIC;
 291                 }
 292
 293                 // If this is a comment, set the permissions from the parent.
 294
 295                 if ($toplevel_item) {
 296                         // for non native networks use the network of the original post as network of the item
 297                         if (($toplevel_item['network'] != Protocol::DIASPORA)
 298                                 && ($toplevel_item['network'] != Protocol::OSTATUS)
 299                                 && ($network == "")) {
 300                                 $network = $toplevel_item['network'];
 301                         }
 302
 303                         $str_contact_allow = $toplevel_item['allow_cid'] ?? '';
 304                         $str_group_allow   = $toplevel_item['allow_gid'] ?? '';
 305                         $str_contact_deny  = $toplevel_item['deny_cid'] ?? '';
 306                         $str_group_deny    = $toplevel_item['deny_gid'] ?? '';
 307                         $private           = $toplevel_item['private'];
 308
 309                         $wall              = $toplevel_item['wall'];
 310                 }
 311
 312                 $pubmail_enabled = ($_REQUEST['pubmail_enable'] ?? false) && !$private;
 313
 314                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 315                 if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) {
 316                         if (function_exists('imap_open') && !DI::config()->get('system', 'imap_disabled')) {
 317                                 $pubmail_enabled = DBA::exists('mailacct', ["`uid` = ? AND `server` != ? AND `pubmail`", local_user(), '']);
 318                         }
 319                 }
 320
 321                 if (!strlen($body)) {
 322                         if ($preview) {
 323                                 System::jsonExit(['preview' => '']);
 324                         }
 325
 326                         info(DI::l10n()->t('Empty post discarded.'));
 327                         if ($return_path) {
 328                                 DI::baseUrl()->redirect($return_path);
 329                         }
 330
 331                         throw new HTTPException\BadRequestException(DI::l10n()->t('Empty post discarded.'));
 332                 }
 333         }
 334
 335         if (!empty($categories)) {
 336                 // get the "fileas" tags for this post
 337                 $filedas = FileTag::fileToArray($categories);
 338         }
 339
 340         // save old and new categories, so we can determine what needs to be deleted from pconfig
 341         $categories_old = $categories;
 342         $categories = FileTag::listToFile(trim($_REQUEST['category'] ?? ''), 'category');
 343         $categories_new = $categories;
 344
 345         if (!empty($filedas) && is_array($filedas)) {
 346                 // append the fileas stuff to the new categories list
 347                 $categories .= FileTag::arrayToFile($filedas);
 348         }
 349
 350         // get contact info for poster
 351
 352         $author = null;
 353         $self   = false;
 354         $contact_id = 0;
 355
 356         if (local_user() && ((local_user() == $profile_uid) || $allow_comment)) {
 357                 $self = true;
 358                 $author = DBA::selectFirst('contact', [], ['uid' => local_user(), 'self' => true]);
 359         } elseif (!empty(Session::getRemoteContactID($profile_uid))) {
 360                 $author = DBA::selectFirst('contact', [], ['id' => Session::getRemoteContactID($profile_uid)]);
 361         }
 362
 363         if (DBA::isResult($author)) {
 364                 $contact_id = $author['id'];
 365         }
 366
 367         // get contact info for owner
 368         if ($profile_uid == local_user() || $allow_comment) {
 369                 $contact_record = $author ?: [];
 370         } else {
 371                 $contact_record = DBA::selectFirst('contact', [], ['uid' => $profile_uid, 'self' => true]) ?: [];
 372         }
 373
 374         // Look for any tags and linkify them
 375         $inform   = '';
 376         $private_forum = false;
 377         $private_id = null;
 378         $only_to_forum = false;
 379         $forum_contact = [];
 380
 381         $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) use ($profile_uid, $network, $str_contact_allow, &$inform, &$private_forum, &$private_id, &$only_to_forum, &$forum_contact) {
 382                 $tags = BBCode::getTags($body);
 383
 384                 $tagged = [];
 385
 386                 foreach ($tags as $tag) {
 387                         $tag_type = substr($tag, 0, 1);
 388
 389                         if ($tag_type == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
 390                                 continue;
 391                         }
 392
 393                         /* If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 394                          * Robert Johnson should be first in the $tags array
 395                          */
 396                         foreach ($tagged as $nextTag) {
 397                                 if (stristr($nextTag, $tag . ' ')) {
 398                                         continue 2;
 399                                 }
 400                         }
 401
 402                         $success = ItemHelper::replaceTag($body, $inform, local_user() ? local_user() : $profile_uid, $tag, $network);
 403                         if ($success['replaced']) {
 404                                 $tagged[] = $tag;
 405                         }
 406                         // When the forum is private or the forum is addressed with a "!" make the post private
 407                         if (!empty($success['contact']['prv']) || ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
 408                                 $private_forum = $success['contact']['prv'];
 409                                 $only_to_forum = ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
 410                                 $private_id = $success['contact']['id'];
 411                                 $forum_contact = $success['contact'];
 412                         } elseif (!empty($success['contact']['forum']) && ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
 413                                 $private_forum = false;
 414                                 $only_to_forum = true;
 415                                 $private_id = $success['contact']['id'];
 416                                 $forum_contact = $success['contact'];
 417                         }
 418                 }
 419
 420                 return $body;
 421         });
 422
 423         $original_contact_id = $contact_id;
 424
 425         if (!$toplevel_item_id && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
 426                 // we tagged a forum in a top level post. Now we change the post
 427                 $private = $private_forum;
 428
 429                 $str_group_allow = '';
 430                 $str_contact_deny = '';
 431                 $str_group_deny = '';
 432                 if ($private_forum) {
 433                         $str_contact_allow = '<' . $private_id . '>';
 434                 } else {
 435                         $str_contact_allow = '';
 436                 }
 437                 $contact_id = $private_id;
 438                 $contact_record = $forum_contact;
 439                 $_REQUEST['origin'] = false;
 440                 $wall = 0;
 441         }
 442
 443         /*
 444          * When a photo was uploaded into the message using the (profile wall) ajax
 445          * uploader, The permissions are initially set to disallow anybody but the
 446          * owner from seeing it. This is because the permissions may not yet have been
 447          * set for the post. If it's private, the photo permissions should be set
 448          * appropriately. But we didn't know the final permissions on the post until
 449          * now. So now we'll look for links of uploaded messages that are in the
 450          * post and set them to the same permissions as the post itself.
 451          */
 452
 453         $match = null;
 454
 455         if (!$preview && Photo::setPermissionFromBody($body, $uid, $original_contact_id, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny)) {
 456                 $objecttype = Activity\ObjectType::IMAGE;
 457         }
 458
 459         /*
 460          * Next link in any attachment references we find in the post.
 461          */
 462         $match = false;
 463
 464         /// @todo these lines should be moved to Model/Attach (Once it exists)
 465         if (!$preview && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
 466                 $attaches = $match[1];
 467                 if (count($attaches)) {
 468                         foreach ($attaches as $attach) {
 469                                 // Ensure to only modify attachments that you own
 470                                 $srch = '<' . intval($original_contact_id) . '>';
 471
 472                                 $condition = ['allow_cid' => $srch, 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '',
 473                                                 'id' => $attach];
 474                                 if (!Attach::exists($condition)) {
 475                                         continue;
 476                                 }
 477
 478                                 $fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
 479                                                 'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny];
 480                                 $condition = ['id' => $attach];
 481                                 Attach::update($fields, $condition);
 482                         }
 483                 }
 484         }
 485
 486         // embedded bookmark or attachment in post? set bookmark flag
 487
 488         $data = BBCode::getAttachmentData($body);
 489         if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"]))
 490                 && ($posttype != Item::PT_PERSONAL_NOTE)) {
 491                 $posttype = Item::PT_PAGE;
 492                 $objecttype =  Activity\ObjectType::BOOKMARK;
 493         }
 494
 495         $body = DI::bbCodeVideo()->transform($body);
 496
 497         $body = BBCode::scaleExternalImages($body);
 498
 499         // Setting the object type if not defined before
 500         if (!$objecttype) {
 501                 $objecttype = Activity\ObjectType::NOTE; // Default value
 502                 $objectdata = BBCode::getAttachedData($body);
 503
 504                 if ($objectdata["type"] == "link") {
 505                         $objecttype = Activity\ObjectType::BOOKMARK;
 506                 } elseif ($objectdata["type"] == "video") {
 507                         $objecttype = Activity\ObjectType::VIDEO;
 508                 } elseif ($objectdata["type"] == "photo") {
 509                         $objecttype = Activity\ObjectType::IMAGE;
 510                 }
 511
 512         }
 513
 514         $attachments = '';
 515         $match = false;
 516
 517         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 518                 foreach ($match[2] as $mtch) {
 519                         $fields = ['id', 'filename', 'filesize', 'filetype'];
 520                         $attachment = Attach::selectFirst($fields, ['id' => $mtch]);
 521                         if ($attachment !== false) {
 522                                 if (strlen($attachments)) {
 523                                         $attachments .= ',';
 524                                 }
 525                                 $attachments .= '[attach]href="' . DI::baseUrl() . '/attach/' . $attachment['id'] .
 526                                                 '" length="' . $attachment['filesize'] . '" type="' . $attachment['filetype'] .
 527                                                 '" title="' . ($attachment['filename'] ? $attachment['filename'] : '') . '"[/attach]';
 528                         }
 529                         $body = str_replace($match[1],'',$body);
 530                 }
 531         }
 532
 533         if (!strlen($verb)) {
 534                 $verb = Activity::POST;
 535         }
 536
 537         if ($network == "") {
 538                 $network = Protocol::DFRN;
 539         }
 540
 541         $gravity = ($toplevel_item_id ? GRAVITY_COMMENT : GRAVITY_PARENT);
 542
 543         // even if the post arrived via API we are considering that it
 544         // originated on this site by default for determining relayability.
 545
 546         // Don't use "defaults" here. It would turn 0 to 1
 547         if (!isset($_REQUEST['origin'])) {
 548                 $origin = 1;
 549         } else {
 550                 $origin = $_REQUEST['origin'];
 551         }
 552
 553         $uri = ($message_id ? $message_id : Item::newURI($api_source ? $profile_uid : $uid, $guid));
 554
 555         // Fallback so that we alway have a parent uri
 556         if (!$thr_parent_uri || !$toplevel_item_id) {
 557                 $thr_parent_uri = $uri;
 558         }
 559
 560         $datarray = [];
 561         $datarray['uid']           = $profile_uid;
 562         $datarray['wall']          = $wall;
 563         $datarray['gravity']       = $gravity;
 564         $datarray['network']       = $network;
 565         $datarray['contact-id']    = $contact_id;
 566         $datarray['owner-name']    = $contact_record['name'] ?? '';
 567         $datarray['owner-link']    = $contact_record['url'] ?? '';
 568         $datarray['owner-avatar']  = $contact_record['thumb'] ?? '';
 569         $datarray['owner-id']      = Contact::getIdForURL($datarray['owner-link']);
 570         $datarray['author-name']   = $author['name'];
 571         $datarray['author-link']   = $author['url'];
 572         $datarray['author-avatar'] = $author['thumb'];
 573         $datarray['author-id']     = Contact::getIdForURL($datarray['author-link']);
 574         $datarray['created']       = DateTimeFormat::utcNow();
 575         $datarray['edited']        = DateTimeFormat::utcNow();
 576         $datarray['commented']     = DateTimeFormat::utcNow();
 577         $datarray['received']      = DateTimeFormat::utcNow();
 578         $datarray['changed']       = DateTimeFormat::utcNow();
 579         $datarray['extid']         = $extid;
 580         $datarray['guid']          = $guid;
 581         $datarray['uri']           = $uri;
 582         $datarray['title']         = $title;
 583         $datarray['body']          = $body;
 584         $datarray['app']           = $app;
 585         $datarray['location']      = $location;
 586         $datarray['coord']         = $coord;
 587         $datarray['file']          = $categories;
 588         $datarray['inform']        = $inform;
 589         $datarray['verb']          = $verb;
 590         $datarray['post-type']     = $posttype;
 591         $datarray['object-type']   = $objecttype;
 592         $datarray['allow_cid']     = $str_contact_allow;
 593         $datarray['allow_gid']     = $str_group_allow;
 594         $datarray['deny_cid']      = $str_contact_deny;
 595         $datarray['deny_gid']      = $str_group_deny;
 596         $datarray['private']       = $private;
 597         $datarray['pubmail']       = $pubmail_enabled;
 598         $datarray['attach']        = $attachments;
 599
 600         // This is not a bug. The item store function changes 'parent-uri' to 'thr-parent' and fetches 'parent-uri' new. (We should change this)
 601         $datarray['parent-uri']    = $thr_parent_uri;
 602
 603         $datarray['postopts']      = $postopts;
 604         $datarray['origin']        = $origin;
 605         $datarray['moderated']     = false;
 606         $datarray['object']        = $object;
 607
 608         /*
 609          * These fields are for the convenience of addons...
 610          * 'self' if true indicates the owner is posting on their own wall
 611          * If parent is 0 it is a top-level post.
 612          */
 613         $datarray['parent']        = $toplevel_item_id;
 614         $datarray['self']          = $self;
 615
 616         // This triggers posts via API and the mirror functions
 617         $datarray['api_source'] = $api_source;
 618
 619         // This field is for storing the raw conversation data
 620         $datarray['protocol'] = Conversation::PARCEL_DFRN;
 621
 622         $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $datarray['parent-uri']]);
 623         if (DBA::isResult($conversation)) {
 624                 if ($conversation['conversation-uri'] != '') {
 625                         $datarray['conversation-uri'] = $conversation['conversation-uri'];
 626                 }
 627                 if ($conversation['conversation-href'] != '') {
 628                         $datarray['conversation-href'] = $conversation['conversation-href'];
 629                 }
 630         }
 631
 632         if ($orig_post) {
 633                 $datarray['edit'] = true;
 634         } else {
 635                 // If this was a share, add missing data here
 636                 $datarray = Item::addShareDataFromOriginal($datarray);
 637
 638                 $datarray['edit'] = false;
 639         }
 640
 641         // Check for hashtags in the body and repair or add hashtag links
 642         if ($preview || $orig_post) {
 643                 $datarray['body'] = Item::setHashtags($datarray['body']);
 644         }
 645
 646         // preview mode - prepare the body for display and send it via json
 647         if ($preview) {
 648                 // We set the datarray ID to -1 because in preview mode the dataray
 649                 // doesn't have an ID.
 650                 $datarray["id"] = -1;
 651                 $datarray["uri-id"] = -1;
 652                 $datarray["item_id"] = -1;
 653                 $datarray["author-network"] = Protocol::DFRN;
 654
 655                 $o = conversation($a, [array_merge($contact_record, $datarray)], 'search', false, true);
 656
 657                 System::jsonExit(['preview' => $o]);
 658         }
 659
 660         Hook::callAll('post_local',$datarray);
 661
 662         if (!empty($datarray['cancel'])) {
 663                 Logger::info('mod_item: post cancelled by addon.');
 664                 if ($return_path) {
 665                         DI::baseUrl()->redirect($return_path);
 666                 }
 667
 668                 $json = ['cancel' => 1];
 669                 if (!empty($_REQUEST['jsreload'])) {
 670                         $json['reload'] = DI::baseUrl() . '/' . $_REQUEST['jsreload'];
 671                 }
 672
 673                 System::jsonExit($json);
 674         }
 675
 676         if ($orig_post) {
 677                 // Fill the cache field
 678                 // This could be done in Item::update as well - but we have to check for the existance of some fields.
 679                 Item::putInCache($datarray);
 680
 681                 $fields = [
 682                         'title' => $datarray['title'],
 683                         'body' => $datarray['body'],
 684                         'attach' => $datarray['attach'],
 685                         'file' => $datarray['file'],
 686                         'rendered-html' => $datarray['rendered-html'],
 687                         'rendered-hash' => $datarray['rendered-hash'],
 688                         'edited' => DateTimeFormat::utcNow(),
 689                         'changed' => DateTimeFormat::utcNow()];
 690
 691                 Item::update($fields, ['id' => $post_id]);
 692
 693                 // update filetags in pconfig
 694                 FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
 695
 696                 info(DI::l10n()->t('Post updated.'));
 697                 if ($return_path) {
 698                         DI::baseUrl()->redirect($return_path);
 699                 }
 700
 701                 throw new HTTPException\OKException(DI::l10n()->t('Post updated.'));
 702         }
 703
 704         unset($datarray['edit']);
 705         unset($datarray['self']);
 706         unset($datarray['api_source']);
 707
 708         if ($origin) {
 709                 $signed = Diaspora::createCommentSignature($uid, $datarray);
 710                 if (!empty($signed)) {
 711                         $datarray['diaspora_signed_text'] = json_encode($signed);
 712                 }
 713         }
 714
 715         $post_id = Item::insert($datarray);
 716
 717         if (!$post_id) {
 718                 info(DI::l10n()->t('Item wasn\'t stored.'));
 719                 if ($return_path) {
 720                         DI::baseUrl()->redirect($return_path);
 721                 }
 722
 723                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item wasn\'t stored.'));
 724         }
 725
 726         $datarray = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
 727
 728         if (!DBA::isResult($datarray)) {
 729                 Logger::error('Item couldn\'t be fetched.', ['post_id' => $post_id]);
 730                 if ($return_path) {
 731                         DI::baseUrl()->redirect($return_path);
 732                 }
 733
 734                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item couldn\'t be fetched.'));
 735         }
 736
 737         Tag::storeFromBody($datarray['uri-id'], $datarray['body']);
 738
 739         if (!\Friendica\Content\Feature::isEnabled($uid, 'explicit_mentions') && ($datarray['gravity'] == GRAVITY_COMMENT)) {
 740                 Tag::createImplicitMentions($datarray['uri-id'], $datarray['thr-parent-id']);
 741         }
 742
 743         // update filetags in pconfig
 744         FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
 745
 746         // These notifications are sent if someone else is commenting other your wall
 747         if ($contact_record != $author) {
 748                 if ($toplevel_item_id) {
 749                         notification([
 750                                 'type'         => Type::COMMENT,
 751                                 'notify_flags' => $user['notify-flags'],
 752                                 'language'     => $user['language'],
 753                                 'to_name'      => $user['username'],
 754                                 'to_email'     => $user['email'],
 755                                 'uid'          => $user['uid'],
 756                                 'item'         => $datarray,
 757                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
 758                                 'source_name'  => $datarray['author-name'],
 759                                 'source_link'  => $datarray['author-link'],
 760                                 'source_photo' => $datarray['author-avatar'],
 761                                 'verb'         => Activity::POST,
 762                                 'otype'        => 'item',
 763                                 'parent'       => $toplevel_item_id,
 764                                 'parent_uri'   => $toplevel_item['uri']
 765                         ]);
 766                 } elseif (empty($forum_contact)) {
 767                         notification([
 768                                 'type'         => Type::WALL,
 769                                 'notify_flags' => $user['notify-flags'],
 770                                 'language'     => $user['language'],
 771                                 'to_name'      => $user['username'],
 772                                 'to_email'     => $user['email'],
 773                                 'uid'          => $user['uid'],
 774                                 'item'         => $datarray,
 775                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
 776                                 'source_name'  => $datarray['author-name'],
 777                                 'source_link'  => $datarray['author-link'],
 778                                 'source_photo' => $datarray['author-avatar'],
 779                                 'verb'         => Activity::POST,
 780                                 'otype'        => 'item'
 781                         ]);
 782                 }
 783         }
 784
 785         Hook::callAll('post_local_end', $datarray);
 786
 787         if (strlen($emailcc) && $profile_uid == local_user()) {
 788                 $recipients = explode(',', $emailcc);
 789                 if (count($recipients)) {
 790                         foreach ($recipients as $recipient) {
 791                                 $address = trim($recipient);
 792                                 if (!strlen($address)) {
 793                                         continue;
 794                                 }
 795                                 DI::emailer()->send(new ItemCCEMail(DI::app(), DI::l10n(), DI::baseUrl(),
 796                                         $datarray, $address, $author['thumb'] ?? ''));
 797                         }
 798                 }
 799         }
 800
 801         // Insert an item entry for UID=0 for global entries.
 802         // We now do it in the background to save some time.
 803         // This is important in interactive environments like the frontend or the API.
 804         // We don't fork a new process since this is done anyway with the following command
 805         Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "CreateShadowEntry", $post_id);
 806
 807         // When we are doing some forum posting via ! we have to start the notifier manually.
 808         // These kind of posts don't initiate the notifier call in the item class.
 809         if ($only_to_forum) {
 810                 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => false], "Notifier", Delivery::POST, $post_id);
 811         }
 812
 813         Logger::info('post_complete');
 814
 815         if ($api_source) {
 816                 return $post_id;
 817         }
 818
 819         info(DI::l10n()->t('Post published.'));
 820         item_post_return(DI::baseUrl(), $api_source, $return_path);
 821         // NOTREACHED
 822 }
 823
 824 function item_post_return($baseurl, $api_source, $return_path)
 825 {
 826         if ($api_source) {
 827                 return;
 828         }
 829
 830         if ($return_path) {
 831                 DI::baseUrl()->redirect($return_path);
 832         }
 833
 834         $json = ['success' => 1];
 835         if (!empty($_REQUEST['jsreload'])) {
 836                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
 837         }
 838
 839         Logger::info('post_json', ['json' => $json]);
 840
 841         System::jsonExit($json);
 842 }
 843
 844 function item_content(App $a)
 845 {
 846         if (!Session::isAuthenticated()) {
 847                 return;
 848         }
 849
 850         $o = '';
 851
 852         if (($a->argc >= 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 853                 if (DI::mode()->isAjax()) {
 854                         Item::deleteForUser(['id' => $a->argv[2]], local_user());
 855                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
 856                         System::jsonExit([intval($a->argv[2]), local_user()]);
 857                 } else {
 858                         if (!empty($a->argv[3])) {
 859                                 $o = drop_item($a->argv[2], $a->argv[3]);
 860                         }
 861                         else {
 862                                 $o = drop_item($a->argv[2]);
 863                         }
 864                 }
 865         }
 866
 867         return $o;
 868 }
 869
 870 /**
 871  * @param int    $id
 872  * @param string $return
 873  * @return string
 874  * @throws HTTPException\InternalServerErrorException
 875  */
 876 function drop_item(int $id, string $return = '')
 877 {
 878         // locate item to be deleted
 879         $fields = ['id', 'uid', 'guid', 'contact-id', 'deleted', 'gravity', 'parent'];
 880         $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $id]);
 881
 882         if (!DBA::isResult($item)) {
 883                 notice(DI::l10n()->t('Item not found.') . EOL);
 884                 DI::baseUrl()->redirect('network');
 885         }
 886
 887         if ($item['deleted']) {
 888                 return '';
 889         }
 890
 891         $contact_id = 0;
 892
 893         // check if logged in user is either the author or owner of this item
 894         if (Session::getRemoteContactID($item['uid']) == $item['contact-id']) {
 895                 $contact_id = $item['contact-id'];
 896         }
 897
 898         if ((local_user() == $item['uid']) || $contact_id) {
 899                 // Check if we should do HTML-based delete confirmation
 900                 if (!empty($_REQUEST['confirm'])) {
 901                         // <form> can't take arguments in its "action" parameter
 902                         // so add any arguments as hidden inputs
 903                         $query = explode_querystring(DI::args()->getQueryString());
 904                         $inputs = [];
 905
 906                         foreach ($query['args'] as $arg) {
 907                                 if (strpos($arg, 'confirm=') === false) {
 908                                         $arg_parts = explode('=', $arg);
 909                                         $inputs[] = ['name' => $arg_parts[0], 'value' => $arg_parts[1]];
 910                                 }
 911                         }
 912
 913                         return Renderer::replaceMacros(Renderer::getMarkupTemplate('confirm.tpl'), [
 914                                 '$method' => 'get',
 915                                 '$message' => DI::l10n()->t('Do you really want to delete this item?'),
 916                                 '$extra_inputs' => $inputs,
 917                                 '$confirm' => DI::l10n()->t('Yes'),
 918                                 '$confirm_url' => $query['base'],
 919                                 '$confirm_name' => 'confirmed',
 920                                 '$cancel' => DI::l10n()->t('Cancel'),
 921                         ]);
 922                 }
 923                 // Now check how the user responded to the confirmation query
 924                 if (!empty($_REQUEST['canceled'])) {
 925                         DI::baseUrl()->redirect('display/' . $item['guid']);
 926                 }
 927
 928                 $is_comment = $item['gravity'] == GRAVITY_COMMENT;
 929                 $parentitem = null;
 930                 if (!empty($item['parent'])) {
 931                         $fields = ['guid'];
 932                         $parentitem = Item::selectFirstForUser(local_user(), $fields, ['id' => $item['parent']]);
 933                 }
 934
 935                 // delete the item
 936                 Item::deleteForUser(['id' => $item['id']], local_user());
 937
 938                 $return_url = hex2bin($return);
 939
 940                 // removes update_* from return_url to ignore Ajax refresh
 941                 $return_url = str_replace("update_", "", $return_url);
 942
 943                 // Check if delete a comment
 944                 if ($is_comment) {
 945                         // Return to parent guid
 946                         if (!empty($parentitem)) {
 947                                 DI::baseUrl()->redirect('display/' . $parentitem['guid']);
 948                                 //NOTREACHED
 949                         } // In case something goes wrong
 950                         else {
 951                                 DI::baseUrl()->redirect('network');
 952                                 //NOTREACHED
 953                         }
 954                 } else {
 955                         // if unknown location or deleting top level post called from display
 956                         if (empty($return_url) || strpos($return_url, 'display') !== false) {
 957                                 DI::baseUrl()->redirect('network');
 958                                 //NOTREACHED
 959                         } else {
 960                                 DI::baseUrl()->redirect($return_url);
 961                                 //NOTREACHED
 962                         }
 963                 }
 964         } else {
 965                 notice(DI::l10n()->t('Permission denied.'));
 966                 DI::baseUrl()->redirect('display/' . $item['guid']);
 967                 //NOTREACHED
 968         }
 969
 970         return '';
 971 }