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 require_once __DIR__ . '/../include/items.php';
  62
  63 function item_post(App $a) {
  64         if (!Session::isAuthenticated()) {
  65                 throw new HTTPException\ForbiddenException();
  66         }
  67
  68         $uid = local_user();
  69
  70         if (!empty($_REQUEST['dropitems'])) {
  71                 $arr_drop = explode(',', $_REQUEST['dropitems']);
  72                 foreach ($arr_drop as $item) {
  73                         Item::deleteForUser(['id' => $item], $uid);
  74                 }
  75
  76                 $json = ['success' => 1];
  77                 System::jsonExit($json);
  78         }
  79
  80         Hook::callAll('post_local_start', $_REQUEST);
  81
  82         Logger::debug('postvars', ['_REQUEST' => $_REQUEST]);
  83
  84         $api_source = $_REQUEST['api_source'] ?? false;
  85
  86         $message_id = ((!empty($_REQUEST['message_id']) && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
  87
  88         $return_path = $_REQUEST['return'] ?? '';
  89         $preview = intval($_REQUEST['preview'] ?? 0);
  90
  91         /*
  92          * Check for doubly-submitted posts, and reject duplicates
  93          * Note that we have to ignore previews, otherwise nothing will post
  94          * after it's been previewed
  95          */
  96         if (!$preview && !empty($_REQUEST['post_id_random'])) {
  97                 if (!empty($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  98                         Logger::info('item post: duplicate post');
  99                         item_post_return(DI::baseUrl(), $api_source, $return_path);
 100                 } else {
 101                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
 102                 }
 103         }
 104
 105         // Is this a reply to something?
 106         $toplevel_item_id = intval($_REQUEST['parent'] ?? 0);
 107         $thr_parent_uri = trim($_REQUEST['parent_uri'] ?? '');
 108
 109         $toplevel_item = null;
 110         $parent_user = null;
 111
 112         $objecttype = null;
 113         $profile_uid = ($_REQUEST['profile_uid'] ?? 0) ?: local_user();
 114         $posttype = ($_REQUEST['post_type'] ?? '') ?: Item::PT_ARTICLE;
 115
 116         if ($toplevel_item_id || $thr_parent_uri) {
 117                 if ($toplevel_item_id) {
 118                         $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item_id]);
 119                 } elseif ($thr_parent_uri) {
 120                         $toplevel_item = Item::selectFirst([], ['uri' => $thr_parent_uri, 'uid' => $profile_uid]);
 121                 }
 122
 123                 // if this isn't the top-level parent of the conversation, find it
 124                 if (DBA::isResult($toplevel_item)) {
 125                         // The URI and the contact is taken from the direct parent which needn't to be the top parent
 126                         $thr_parent_uri = $toplevel_item['uri'];
 127
 128                         if ($toplevel_item['gravity'] != GRAVITY_PARENT) {
 129                                 $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item['parent']]);
 130                         }
 131                 }
 132
 133                 if (!DBA::isResult($toplevel_item)) {
 134                         notice(DI::l10n()->t('Unable to locate original post.'));
 135                         if ($return_path) {
 136                                 DI::baseUrl()->redirect($return_path);
 137                         }
 138                         throw new HTTPException\NotFoundException(DI::l10n()->t('Unable to locate original post.'));
 139                 }
 140
 141                 $toplevel_item_id = $toplevel_item['id'];
 142                 $parent_user = $toplevel_item['uid'];
 143
 144                 $objecttype = Activity\ObjectType::COMMENT;
 145         }
 146
 147         if ($toplevel_item_id) {
 148                 Logger::info('mod_item: item_post', ['parent' => $toplevel_item_id]);
 149         }
 150
 151         $post_id     = intval($_REQUEST['post_id'] ?? 0);
 152         $app         = strip_tags($_REQUEST['source'] ?? '');
 153         $extid       = strip_tags($_REQUEST['extid'] ?? '');
 154         $object      = $_REQUEST['object'] ?? '';
 155
 156         // Don't use "defaults" here. It would turn 0 to 1
 157         if (!isset($_REQUEST['wall'])) {
 158                 $wall = 1;
 159         } else {
 160                 $wall = $_REQUEST['wall'];
 161         }
 162
 163         // Ensure that the user id in a thread always stay the same
 164         if (!is_null($parent_user) && in_array($parent_user, [local_user(), 0])) {
 165                 $profile_uid = $parent_user;
 166         }
 167
 168         // Check for multiple posts with the same message id (when the post was created via API)
 169         if (($message_id != '') && ($profile_uid != 0)) {
 170                 if (Item::exists(['uri' => $message_id, 'uid' => $profile_uid])) {
 171                         Logger::info('Message already exists for user', ['uri' => $message_id, 'uid' => $profile_uid]);
 172                         return 0;
 173                 }
 174         }
 175
 176         // Allow commenting if it is an answer to a public post
 177         $allow_comment = local_user() && ($profile_uid == 0) && $toplevel_item_id && in_array($toplevel_item['network'], Protocol::FEDERATED);
 178
 179         // Now check that valid personal details have been provided
 180         if (!Security::canWriteToUserWall($profile_uid) && !$allow_comment) {
 181                 notice(DI::l10n()->t('Permission denied.'));
 182                 if ($return_path) {
 183                         DI::baseUrl()->redirect($return_path);
 184                 }
 185
 186                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
 187         }
 188
 189         // Init post instance
 190         $orig_post = null;
 191
 192         // is this an edited post?
 193         if ($post_id > 0) {
 194                 $orig_post = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
 195         }
 196
 197         $user = DBA::selectFirst('user', [], ['uid' => $profile_uid]);
 198
 199         if (!DBA::isResult($user) && !$toplevel_item_id) {
 200                 return 0;
 201         }
 202
 203         $categories = '';
 204         $postopts = '';
 205         $emailcc = '';
 206         $body = $_REQUEST['body'] ?? '';
 207         $has_attachment = $_REQUEST['has_attachment'] ?? 0;
 208
 209         // If we have a speparate attachment, we need to add it to the body.
 210         if (!empty($has_attachment)) {
 211                 $attachment_type  = $_REQUEST['attachment_type'] ??  '';
 212                 $attachment_title = $_REQUEST['attachment_title'] ?? '';
 213                 $attachment_text  = $_REQUEST['attachment_text'] ??  '';
 214
 215                 $attachment_url     = hex2bin($_REQUEST['attachment_url'] ??     '');
 216                 $attachment_img_src = hex2bin($_REQUEST['attachment_img_src'] ?? '');
 217
 218                 $attachment_img_width  = $_REQUEST['attachment_img_width'] ??  0;
 219                 $attachment_img_height = $_REQUEST['attachment_img_height'] ?? 0;
 220                 $attachment = [
 221                         'type'   => $attachment_type,
 222                         'title'  => $attachment_title,
 223                         'text'   => $attachment_text,
 224                         'url'    => $attachment_url,
 225                 ];
 226
 227                 if (!empty($attachment_img_src)) {
 228                         $attachment['images'] = [
 229                                 0 => [
 230                                         'src'    => $attachment_img_src,
 231                                         'width'  => $attachment_img_width,
 232                                         'height' => $attachment_img_height
 233                                 ]
 234                         ];
 235                 }
 236
 237                 $att_bbcode = "\n" . PageInfo::getFooterFromData($attachment);
 238                 $body .= $att_bbcode;
 239         }
 240
 241         // Convert links with empty descriptions to links without an explicit description
 242         $body = preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $body);
 243
 244         if (!empty($orig_post)) {
 245                 $str_group_allow   = $orig_post['allow_gid'];
 246                 $str_contact_allow = $orig_post['allow_cid'];
 247                 $str_group_deny    = $orig_post['deny_gid'];
 248                 $str_contact_deny  = $orig_post['deny_cid'];
 249                 $location          = $orig_post['location'];
 250                 $coord             = $orig_post['coord'];
 251                 $verb              = $orig_post['verb'];
 252                 $objecttype        = $orig_post['object-type'];
 253                 $app               = $orig_post['app'];
 254                 $categories        = $orig_post['file'] ?? '';
 255                 $title             = Strings::escapeTags(trim($_REQUEST['title']));
 256                 $body              = trim($body);
 257                 $private           = $orig_post['private'];
 258                 $pubmail_enabled   = $orig_post['pubmail'];
 259                 $network           = $orig_post['network'];
 260                 $guid              = $orig_post['guid'];
 261                 $extid             = $orig_post['extid'];
 262         } else {
 263                 $str_contact_allow = '';
 264                 $str_group_allow   = '';
 265                 $str_contact_deny  = '';
 266                 $str_group_deny    = '';
 267
 268                 if (($_REQUEST['visibility'] ?? '') !== 'public') {
 269                         $aclFormatter = DI::aclFormatter();
 270                         $str_contact_allow = isset($_REQUEST['contact_allow']) ? $aclFormatter->toString($_REQUEST['contact_allow']) : $user['allow_cid'] ?? '';
 271                         $str_group_allow   = isset($_REQUEST['group_allow'])   ? $aclFormatter->toString($_REQUEST['group_allow'])   : $user['allow_gid'] ?? '';
 272                         $str_contact_deny  = isset($_REQUEST['contact_deny'])  ? $aclFormatter->toString($_REQUEST['contact_deny'])  : $user['deny_cid']  ?? '';
 273                         $str_group_deny    = isset($_REQUEST['group_deny'])    ? $aclFormatter->toString($_REQUEST['group_deny'])    : $user['deny_gid']  ?? '';
 274                 }
 275
 276                 $title             = Strings::escapeTags(trim($_REQUEST['title']    ?? ''));
 277                 $location          = Strings::escapeTags(trim($_REQUEST['location'] ?? ''));
 278                 $coord             = Strings::escapeTags(trim($_REQUEST['coord']    ?? ''));
 279                 $verb              = Strings::escapeTags(trim($_REQUEST['verb']     ?? ''));
 280                 $emailcc           = Strings::escapeTags(trim($_REQUEST['emailcc']  ?? ''));
 281                 $body              = trim($body);
 282                 $network           = Strings::escapeTags(trim(($_REQUEST['network']  ?? '') ?: Protocol::DFRN));
 283                 $guid              = System::createUUID();
 284
 285                 $postopts = $_REQUEST['postopts'] ?? '';
 286
 287                 if (strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) {
 288                         $private = Item::PRIVATE;
 289                 } elseif (DI::pConfig()->get($profile_uid, 'system', 'unlisted')) {
 290                         $private = Item::UNLISTED;
 291                 } else {
 292                         $private = Item::PUBLIC;
 293                 }
 294
 295                 // If this is a comment, set the permissions from the parent.
 296
 297                 if ($toplevel_item) {
 298                         // for non native networks use the network of the original post as network of the item
 299                         if (($toplevel_item['network'] != Protocol::DIASPORA)
 300                                 && ($toplevel_item['network'] != Protocol::OSTATUS)
 301                                 && ($network == "")) {
 302                                 $network = $toplevel_item['network'];
 303                         }
 304
 305                         $str_contact_allow = $toplevel_item['allow_cid'] ?? '';
 306                         $str_group_allow   = $toplevel_item['allow_gid'] ?? '';
 307                         $str_contact_deny  = $toplevel_item['deny_cid'] ?? '';
 308                         $str_group_deny    = $toplevel_item['deny_gid'] ?? '';
 309                         $private           = $toplevel_item['private'];
 310
 311                         $wall              = $toplevel_item['wall'];
 312                 }
 313
 314                 $pubmail_enabled = ($_REQUEST['pubmail_enable'] ?? false) && !$private;
 315
 316                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 317                 if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) {
 318                         if (function_exists('imap_open') && !DI::config()->get('system', 'imap_disabled')) {
 319                                 $pubmail_enabled = DBA::exists('mailacct', ["`uid` = ? AND `server` != ? AND `pubmail`", local_user(), '']);
 320                         }
 321                 }
 322
 323                 if (!strlen($body)) {
 324                         if ($preview) {
 325                                 System::jsonExit(['preview' => '']);
 326                         }
 327
 328                         info(DI::l10n()->t('Empty post discarded.'));
 329                         if ($return_path) {
 330                                 DI::baseUrl()->redirect($return_path);
 331                         }
 332
 333                         throw new HTTPException\BadRequestException(DI::l10n()->t('Empty post discarded.'));
 334                 }
 335         }
 336
 337         if (!empty($categories)) {
 338                 // get the "fileas" tags for this post
 339                 $filedas = FileTag::fileToArray($categories);
 340         }
 341
 342         // save old and new categories, so we can determine what needs to be deleted from pconfig
 343         $categories_old = $categories;
 344         $categories = FileTag::listToFile(trim($_REQUEST['category'] ?? ''), 'category');
 345         $categories_new = $categories;
 346
 347         if (!empty($filedas) && is_array($filedas)) {
 348                 // append the fileas stuff to the new categories list
 349                 $categories .= FileTag::arrayToFile($filedas);
 350         }
 351
 352         // get contact info for poster
 353
 354         $author = null;
 355         $self   = false;
 356         $contact_id = 0;
 357
 358         if (local_user() && ((local_user() == $profile_uid) || $allow_comment)) {
 359                 $self = true;
 360                 $author = DBA::selectFirst('contact', [], ['uid' => local_user(), 'self' => true]);
 361         } elseif (!empty(Session::getRemoteContactID($profile_uid))) {
 362                 $author = DBA::selectFirst('contact', [], ['id' => Session::getRemoteContactID($profile_uid)]);
 363         }
 364
 365         if (DBA::isResult($author)) {
 366                 $contact_id = $author['id'];
 367         }
 368
 369         // get contact info for owner
 370         if ($profile_uid == local_user() || $allow_comment) {
 371                 $contact_record = $author ?: [];
 372         } else {
 373                 $contact_record = DBA::selectFirst('contact', [], ['uid' => $profile_uid, 'self' => true]) ?: [];
 374         }
 375
 376         // Look for any tags and linkify them
 377         $inform   = '';
 378         $private_forum = false;
 379         $private_id = null;
 380         $only_to_forum = false;
 381         $forum_contact = [];
 382
 383         $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) use ($profile_uid, $network, $str_contact_allow, &$inform, &$private_forum, &$private_id, &$only_to_forum, &$forum_contact) {
 384                 $tags = BBCode::getTags($body);
 385
 386                 $tagged = [];
 387
 388                 foreach ($tags as $tag) {
 389                         $tag_type = substr($tag, 0, 1);
 390
 391                         if ($tag_type == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
 392                                 continue;
 393                         }
 394
 395                         /* If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 396                          * Robert Johnson should be first in the $tags array
 397                          */
 398                         foreach ($tagged as $nextTag) {
 399                                 if (stristr($nextTag, $tag . ' ')) {
 400                                         continue 2;
 401                                 }
 402                         }
 403
 404                         $success = ItemHelper::replaceTag($body, $inform, local_user() ? local_user() : $profile_uid, $tag, $network);
 405                         if ($success['replaced']) {
 406                                 $tagged[] = $tag;
 407                         }
 408                         // When the forum is private or the forum is addressed with a "!" make the post private
 409                         if (!empty($success['contact']['prv']) || ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
 410                                 $private_forum = $success['contact']['prv'];
 411                                 $only_to_forum = ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
 412                                 $private_id = $success['contact']['id'];
 413                                 $forum_contact = $success['contact'];
 414                         } elseif (!empty($success['contact']['forum']) && ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
 415                                 $private_forum = false;
 416                                 $only_to_forum = true;
 417                                 $private_id = $success['contact']['id'];
 418                                 $forum_contact = $success['contact'];
 419                         }
 420                 }
 421
 422                 return $body;
 423         });
 424
 425         $original_contact_id = $contact_id;
 426
 427         if (!$toplevel_item_id && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
 428                 // we tagged a forum in a top level post. Now we change the post
 429                 $private = $private_forum;
 430
 431                 $str_group_allow = '';
 432                 $str_contact_deny = '';
 433                 $str_group_deny = '';
 434                 if ($private_forum) {
 435                         $str_contact_allow = '<' . $private_id . '>';
 436                 } else {
 437                         $str_contact_allow = '';
 438                 }
 439                 $contact_id = $private_id;
 440                 $contact_record = $forum_contact;
 441                 $_REQUEST['origin'] = false;
 442                 $wall = 0;
 443         }
 444
 445         /*
 446          * When a photo was uploaded into the message using the (profile wall) ajax
 447          * uploader, The permissions are initially set to disallow anybody but the
 448          * owner from seeing it. This is because the permissions may not yet have been
 449          * set for the post. If it's private, the photo permissions should be set
 450          * appropriately. But we didn't know the final permissions on the post until
 451          * now. So now we'll look for links of uploaded messages that are in the
 452          * post and set them to the same permissions as the post itself.
 453          */
 454
 455         $match = null;
 456
 457         if (!$preview && Photo::setPermissionFromBody($body, $uid, $original_contact_id, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny)) {
 458                 $objecttype = Activity\ObjectType::IMAGE;
 459         }
 460
 461         /*
 462          * Next link in any attachment references we find in the post.
 463          */
 464         $match = false;
 465
 466         /// @todo these lines should be moved to Model/Attach (Once it exists)
 467         if (!$preview && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
 468                 $attaches = $match[1];
 469                 if (count($attaches)) {
 470                         foreach ($attaches as $attach) {
 471                                 // Ensure to only modify attachments that you own
 472                                 $srch = '<' . intval($original_contact_id) . '>';
 473
 474                                 $condition = ['allow_cid' => $srch, 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '',
 475                                                 'id' => $attach];
 476                                 if (!Attach::exists($condition)) {
 477                                         continue;
 478                                 }
 479
 480                                 $fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
 481                                                 'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny];
 482                                 $condition = ['id' => $attach];
 483                                 Attach::update($fields, $condition);
 484                         }
 485                 }
 486         }
 487
 488         // embedded bookmark or attachment in post? set bookmark flag
 489
 490         $data = BBCode::getAttachmentData($body);
 491         if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"]))
 492                 && ($posttype != Item::PT_PERSONAL_NOTE)) {
 493                 $posttype = Item::PT_PAGE;
 494                 $objecttype =  Activity\ObjectType::BOOKMARK;
 495         }
 496
 497         $body = DI::bbCodeVideo()->transform($body);
 498
 499         $body = BBCode::scaleExternalImages($body);
 500
 501         // Setting the object type if not defined before
 502         if (!$objecttype) {
 503                 $objecttype = Activity\ObjectType::NOTE; // Default value
 504                 $objectdata = BBCode::getAttachedData($body);
 505
 506                 if ($objectdata["type"] == "link") {
 507                         $objecttype = Activity\ObjectType::BOOKMARK;
 508                 } elseif ($objectdata["type"] == "video") {
 509                         $objecttype = Activity\ObjectType::VIDEO;
 510                 } elseif ($objectdata["type"] == "photo") {
 511                         $objecttype = Activity\ObjectType::IMAGE;
 512                 }
 513
 514         }
 515
 516         $attachments = '';
 517         $match = false;
 518
 519         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 520                 foreach ($match[2] as $mtch) {
 521                         $fields = ['id', 'filename', 'filesize', 'filetype'];
 522                         $attachment = Attach::selectFirst($fields, ['id' => $mtch]);
 523                         if ($attachment !== false) {
 524                                 if (strlen($attachments)) {
 525                                         $attachments .= ',';
 526                                 }
 527                                 $attachments .= '[attach]href="' . DI::baseUrl() . '/attach/' . $attachment['id'] .
 528                                                 '" length="' . $attachment['filesize'] . '" type="' . $attachment['filetype'] .
 529                                                 '" title="' . ($attachment['filename'] ? $attachment['filename'] : '') . '"[/attach]';
 530                         }
 531                         $body = str_replace($match[1],'',$body);
 532                 }
 533         }
 534
 535         if (!strlen($verb)) {
 536                 $verb = Activity::POST;
 537         }
 538
 539         if ($network == "") {
 540                 $network = Protocol::DFRN;
 541         }
 542
 543         $gravity = ($toplevel_item_id ? GRAVITY_COMMENT : GRAVITY_PARENT);
 544
 545         // even if the post arrived via API we are considering that it
 546         // originated on this site by default for determining relayability.
 547
 548         // Don't use "defaults" here. It would turn 0 to 1
 549         if (!isset($_REQUEST['origin'])) {
 550                 $origin = 1;
 551         } else {
 552                 $origin = $_REQUEST['origin'];
 553         }
 554
 555         $uri = ($message_id ? $message_id : Item::newURI($api_source ? $profile_uid : $uid, $guid));
 556
 557         // Fallback so that we alway have a parent uri
 558         if (!$thr_parent_uri || !$toplevel_item_id) {
 559                 $thr_parent_uri = $uri;
 560         }
 561
 562         $datarray = [];
 563         $datarray['uid']           = $profile_uid;
 564         $datarray['wall']          = $wall;
 565         $datarray['gravity']       = $gravity;
 566         $datarray['network']       = $network;
 567         $datarray['contact-id']    = $contact_id;
 568         $datarray['owner-name']    = $contact_record['name'] ?? '';
 569         $datarray['owner-link']    = $contact_record['url'] ?? '';
 570         $datarray['owner-avatar']  = $contact_record['thumb'] ?? '';
 571         $datarray['owner-id']      = Contact::getIdForURL($datarray['owner-link']);
 572         $datarray['author-name']   = $author['name'];
 573         $datarray['author-link']   = $author['url'];
 574         $datarray['author-avatar'] = $author['thumb'];
 575         $datarray['author-id']     = Contact::getIdForURL($datarray['author-link']);
 576         $datarray['created']       = DateTimeFormat::utcNow();
 577         $datarray['edited']        = DateTimeFormat::utcNow();
 578         $datarray['commented']     = DateTimeFormat::utcNow();
 579         $datarray['received']      = DateTimeFormat::utcNow();
 580         $datarray['changed']       = DateTimeFormat::utcNow();
 581         $datarray['extid']         = $extid;
 582         $datarray['guid']          = $guid;
 583         $datarray['uri']           = $uri;
 584         $datarray['title']         = $title;
 585         $datarray['body']          = $body;
 586         $datarray['app']           = $app;
 587         $datarray['location']      = $location;
 588         $datarray['coord']         = $coord;
 589         $datarray['file']          = $categories;
 590         $datarray['inform']        = $inform;
 591         $datarray['verb']          = $verb;
 592         $datarray['post-type']     = $posttype;
 593         $datarray['object-type']   = $objecttype;
 594         $datarray['allow_cid']     = $str_contact_allow;
 595         $datarray['allow_gid']     = $str_group_allow;
 596         $datarray['deny_cid']      = $str_contact_deny;
 597         $datarray['deny_gid']      = $str_group_deny;
 598         $datarray['private']       = $private;
 599         $datarray['pubmail']       = $pubmail_enabled;
 600         $datarray['attach']        = $attachments;
 601
 602         // This is not a bug. The item store function changes 'parent-uri' to 'thr-parent' and fetches 'parent-uri' new. (We should change this)
 603         $datarray['parent-uri']    = $thr_parent_uri;
 604
 605         $datarray['postopts']      = $postopts;
 606         $datarray['origin']        = $origin;
 607         $datarray['moderated']     = false;
 608         $datarray['object']        = $object;
 609
 610         /*
 611          * These fields are for the convenience of addons...
 612          * 'self' if true indicates the owner is posting on their own wall
 613          * If parent is 0 it is a top-level post.
 614          */
 615         $datarray['parent']        = $toplevel_item_id;
 616         $datarray['self']          = $self;
 617
 618         // This triggers posts via API and the mirror functions
 619         $datarray['api_source'] = $api_source;
 620
 621         // This field is for storing the raw conversation data
 622         $datarray['protocol'] = Conversation::PARCEL_DFRN;
 623
 624         $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $datarray['parent-uri']]);
 625         if (DBA::isResult($conversation)) {
 626                 if ($conversation['conversation-uri'] != '') {
 627                         $datarray['conversation-uri'] = $conversation['conversation-uri'];
 628                 }
 629                 if ($conversation['conversation-href'] != '') {
 630                         $datarray['conversation-href'] = $conversation['conversation-href'];
 631                 }
 632         }
 633
 634         if ($orig_post) {
 635                 $datarray['edit'] = true;
 636         } else {
 637                 // If this was a share, add missing data here
 638                 $datarray = Item::addShareDataFromOriginal($datarray);
 639
 640                 $datarray['edit'] = false;
 641         }
 642
 643         // Check for hashtags in the body and repair or add hashtag links
 644         if ($preview || $orig_post) {
 645                 $datarray['body'] = Item::setHashtags($datarray['body']);
 646         }
 647
 648         // preview mode - prepare the body for display and send it via json
 649         if ($preview) {
 650                 // We set the datarray ID to -1 because in preview mode the dataray
 651                 // doesn't have an ID.
 652                 $datarray["id"] = -1;
 653                 $datarray["uri-id"] = -1;
 654                 $datarray["item_id"] = -1;
 655                 $datarray["author-network"] = Protocol::DFRN;
 656
 657                 $o = conversation($a, [array_merge($contact_record, $datarray)], 'search', false, true);
 658
 659                 System::jsonExit(['preview' => $o]);
 660         }
 661
 662         Hook::callAll('post_local',$datarray);
 663
 664         if (!empty($datarray['cancel'])) {
 665                 Logger::info('mod_item: post cancelled by addon.');
 666                 if ($return_path) {
 667                         DI::baseUrl()->redirect($return_path);
 668                 }
 669
 670                 $json = ['cancel' => 1];
 671                 if (!empty($_REQUEST['jsreload'])) {
 672                         $json['reload'] = DI::baseUrl() . '/' . $_REQUEST['jsreload'];
 673                 }
 674
 675                 System::jsonExit($json);
 676         }
 677
 678         if ($orig_post) {
 679                 // Fill the cache field
 680                 // This could be done in Item::update as well - but we have to check for the existance of some fields.
 681                 Item::putInCache($datarray);
 682
 683                 $fields = [
 684                         'title' => $datarray['title'],
 685                         'body' => $datarray['body'],
 686                         'attach' => $datarray['attach'],
 687                         'file' => $datarray['file'],
 688                         'rendered-html' => $datarray['rendered-html'],
 689                         'rendered-hash' => $datarray['rendered-hash'],
 690                         'edited' => DateTimeFormat::utcNow(),
 691                         'changed' => DateTimeFormat::utcNow()];
 692
 693                 Item::update($fields, ['id' => $post_id]);
 694
 695                 // update filetags in pconfig
 696                 FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
 697
 698                 info(DI::l10n()->t('Post updated.'));
 699                 if ($return_path) {
 700                         DI::baseUrl()->redirect($return_path);
 701                 }
 702
 703                 throw new HTTPException\OKException(DI::l10n()->t('Post updated.'));
 704         }
 705
 706         unset($datarray['edit']);
 707         unset($datarray['self']);
 708         unset($datarray['api_source']);
 709
 710         if ($origin) {
 711                 $signed = Diaspora::createCommentSignature($uid, $datarray);
 712                 if (!empty($signed)) {
 713                         $datarray['diaspora_signed_text'] = json_encode($signed);
 714                 }
 715         }
 716
 717         $post_id = Item::insert($datarray);
 718
 719         if (!$post_id) {
 720                 info(DI::l10n()->t('Item wasn\'t stored.'));
 721                 if ($return_path) {
 722                         DI::baseUrl()->redirect($return_path);
 723                 }
 724
 725                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item wasn\'t stored.'));
 726         }
 727
 728         $datarray = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
 729
 730         if (!DBA::isResult($datarray)) {
 731                 Logger::error('Item couldn\'t be fetched.', ['post_id' => $post_id]);
 732                 if ($return_path) {
 733                         DI::baseUrl()->redirect($return_path);
 734                 }
 735
 736                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item couldn\'t be fetched.'));
 737         }
 738
 739         Tag::storeFromBody($datarray['uri-id'], $datarray['body']);
 740
 741         if (!\Friendica\Content\Feature::isEnabled($uid, 'explicit_mentions') && ($datarray['gravity'] == GRAVITY_COMMENT)) {
 742                 Tag::createImplicitMentions($datarray['uri-id'], $datarray['thr-parent-id']);
 743         }
 744
 745         // update filetags in pconfig
 746         FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
 747
 748         // These notifications are sent if someone else is commenting other your wall
 749         if ($contact_record != $author) {
 750                 if ($toplevel_item_id) {
 751                         notification([
 752                                 'type'         => Type::COMMENT,
 753                                 'notify_flags' => $user['notify-flags'],
 754                                 'language'     => $user['language'],
 755                                 'to_name'      => $user['username'],
 756                                 'to_email'     => $user['email'],
 757                                 'uid'          => $user['uid'],
 758                                 'item'         => $datarray,
 759                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
 760                                 'source_name'  => $datarray['author-name'],
 761                                 'source_link'  => $datarray['author-link'],
 762                                 'source_photo' => $datarray['author-avatar'],
 763                                 'verb'         => Activity::POST,
 764                                 'otype'        => 'item',
 765                                 'parent'       => $toplevel_item_id,
 766                                 'parent_uri'   => $toplevel_item['uri']
 767                         ]);
 768                 } elseif (empty($forum_contact)) {
 769                         notification([
 770                                 'type'         => Type::WALL,
 771                                 'notify_flags' => $user['notify-flags'],
 772                                 'language'     => $user['language'],
 773                                 'to_name'      => $user['username'],
 774                                 'to_email'     => $user['email'],
 775                                 'uid'          => $user['uid'],
 776                                 'item'         => $datarray,
 777                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
 778                                 'source_name'  => $datarray['author-name'],
 779                                 'source_link'  => $datarray['author-link'],
 780                                 'source_photo' => $datarray['author-avatar'],
 781                                 'verb'         => Activity::POST,
 782                                 'otype'        => 'item'
 783                         ]);
 784                 }
 785         }
 786
 787         Hook::callAll('post_local_end', $datarray);
 788
 789         if (strlen($emailcc) && $profile_uid == local_user()) {
 790                 $recipients = explode(',', $emailcc);
 791                 if (count($recipients)) {
 792                         foreach ($recipients as $recipient) {
 793                                 $address = trim($recipient);
 794                                 if (!strlen($address)) {
 795                                         continue;
 796                                 }
 797                                 DI::emailer()->send(new ItemCCEMail(DI::app(), DI::l10n(), DI::baseUrl(),
 798                                         $datarray, $address, $author['thumb'] ?? ''));
 799                         }
 800                 }
 801         }
 802
 803         // Insert an item entry for UID=0 for global entries.
 804         // We now do it in the background to save some time.
 805         // This is important in interactive environments like the frontend or the API.
 806         // We don't fork a new process since this is done anyway with the following command
 807         Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "CreateShadowEntry", $post_id);
 808
 809         // When we are doing some forum posting via ! we have to start the notifier manually.
 810         // These kind of posts don't initiate the notifier call in the item class.
 811         if ($only_to_forum) {
 812                 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => false], "Notifier", Delivery::POST, $post_id);
 813         }
 814
 815         Logger::info('post_complete');
 816
 817         if ($api_source) {
 818                 return $post_id;
 819         }
 820
 821         info(DI::l10n()->t('Post published.'));
 822         item_post_return(DI::baseUrl(), $api_source, $return_path);
 823         // NOTREACHED
 824 }
 825
 826 function item_post_return($baseurl, $api_source, $return_path)
 827 {
 828         if ($api_source) {
 829                 return;
 830         }
 831
 832         if ($return_path) {
 833                 DI::baseUrl()->redirect($return_path);
 834         }
 835
 836         $json = ['success' => 1];
 837         if (!empty($_REQUEST['jsreload'])) {
 838                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
 839         }
 840
 841         Logger::info('post_json', ['json' => $json]);
 842
 843         System::jsonExit($json);
 844 }
 845
 846 function item_content(App $a)
 847 {
 848         if (!Session::isAuthenticated()) {
 849                 return;
 850         }
 851
 852         $o = '';
 853
 854         if (($a->argc >= 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 855                 if (DI::mode()->isAjax()) {
 856                         Item::deleteForUser(['id' => $a->argv[2]], local_user());
 857                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
 858                         System::jsonExit([intval($a->argv[2]), local_user()]);
 859                 } else {
 860                         if (!empty($a->argv[3])) {
 861                                 $o = drop_item($a->argv[2], $a->argv[3]);
 862                         }
 863                         else {
 864                                 $o = drop_item($a->argv[2]);
 865                         }
 866                 }
 867         }
 868
 869         return $o;
 870 }
 871
 872 /**
 873  * @param int    $id
 874  * @param string $return
 875  * @return string
 876  * @throws HTTPException\InternalServerErrorException
 877  */
 878 function drop_item(int $id, string $return = '')
 879 {
 880         // locate item to be deleted
 881         $fields = ['id', 'uid', 'guid', 'contact-id', 'deleted', 'gravity', 'parent'];
 882         $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $id]);
 883
 884         if (!DBA::isResult($item)) {
 885                 notice(DI::l10n()->t('Item not found.') . EOL);
 886                 DI::baseUrl()->redirect('network');
 887         }
 888
 889         if ($item['deleted']) {
 890                 return '';
 891         }
 892
 893         $contact_id = 0;
 894
 895         // check if logged in user is either the author or owner of this item
 896         if (Session::getRemoteContactID($item['uid']) == $item['contact-id']) {
 897                 $contact_id = $item['contact-id'];
 898         }
 899
 900         if ((local_user() == $item['uid']) || $contact_id) {
 901                 // Check if we should do HTML-based delete confirmation
 902                 if (!empty($_REQUEST['confirm'])) {
 903                         // <form> can't take arguments in its "action" parameter
 904                         // so add any arguments as hidden inputs
 905                         $query = explode_querystring(DI::args()->getQueryString());
 906                         $inputs = [];
 907
 908                         foreach ($query['args'] as $arg) {
 909                                 if (strpos($arg, 'confirm=') === false) {
 910                                         $arg_parts = explode('=', $arg);
 911                                         $inputs[] = ['name' => $arg_parts[0], 'value' => $arg_parts[1]];
 912                                 }
 913                         }
 914
 915                         return Renderer::replaceMacros(Renderer::getMarkupTemplate('confirm.tpl'), [
 916                                 '$method' => 'get',
 917                                 '$message' => DI::l10n()->t('Do you really want to delete this item?'),
 918                                 '$extra_inputs' => $inputs,
 919                                 '$confirm' => DI::l10n()->t('Yes'),
 920                                 '$confirm_url' => $query['base'],
 921                                 '$confirm_name' => 'confirmed',
 922                                 '$cancel' => DI::l10n()->t('Cancel'),
 923                         ]);
 924                 }
 925                 // Now check how the user responded to the confirmation query
 926                 if (!empty($_REQUEST['canceled'])) {
 927                         DI::baseUrl()->redirect('display/' . $item['guid']);
 928                 }
 929
 930                 $is_comment = $item['gravity'] == GRAVITY_COMMENT;
 931                 $parentitem = null;
 932                 if (!empty($item['parent'])) {
 933                         $fields = ['guid'];
 934                         $parentitem = Item::selectFirstForUser(local_user(), $fields, ['id' => $item['parent']]);
 935                 }
 936
 937                 // delete the item
 938                 Item::deleteForUser(['id' => $item['id']], local_user());
 939
 940                 $return_url = hex2bin($return);
 941
 942                 // removes update_* from return_url to ignore Ajax refresh
 943                 $return_url = str_replace("update_", "", $return_url);
 944
 945                 // Check if delete a comment
 946                 if ($is_comment) {
 947                         // Return to parent guid
 948                         if (!empty($parentitem)) {
 949                                 DI::baseUrl()->redirect('display/' . $parentitem['guid']);
 950                                 //NOTREACHED
 951                         } // In case something goes wrong
 952                         else {
 953                                 DI::baseUrl()->redirect('network');
 954                                 //NOTREACHED
 955                         }
 956                 } else {
 957                         // if unknown location or deleting top level post called from display
 958                         if (empty($return_url) || strpos($return_url, 'display') !== false) {
 959                                 DI::baseUrl()->redirect('network');
 960                                 //NOTREACHED
 961                         } else {
 962                                 DI::baseUrl()->redirect($return_url);
 963                                 //NOTREACHED
 964                         }
 965                 }
 966         } else {
 967                 notice(DI::l10n()->t('Permission denied.'));
 968                 DI::baseUrl()->redirect('display/' . $item['guid']);
 969                 //NOTREACHED
 970         }
 971
 972         return '';
 973 }