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\Text\BBCode;
  34 use Friendica\Core\Hook;
  35 use Friendica\Core\Logger;
  36 use Friendica\Core\Protocol;
  37 use Friendica\Core\Renderer;
  38 use Friendica\Core\Session;
  39 use Friendica\Core\System;
  40 use Friendica\Core\Worker;
  41 use Friendica\Database\DBA;
  42 use Friendica\DI;
  43 use Friendica\Model\Attach;
  44 use Friendica\Model\Contact;
  45 use Friendica\Model\Conversation;
  46 use Friendica\Model\FileTag;
  47 use Friendica\Model\Item;
  48 use Friendica\Model\Notify\Type;
  49 use Friendica\Model\Photo;
  50 use Friendica\Model\Tag;
  51 use Friendica\Network\HTTPException;
  52 use Friendica\Object\EMail\ItemCCEMail;
  53 use Friendica\Protocol\Activity;
  54 use Friendica\Protocol\Diaspora;
  55 use Friendica\Util\DateTimeFormat;
  56 use Friendica\Util\Security;
  57 use Friendica\Util\Strings;
  58 use Friendica\Worker\Delivery;
  59
  60 require_once __DIR__ . '/../include/items.php';
  61
  62 function item_post(App $a) {
  63         if (!Session::isAuthenticated()) {
  64                 throw new HTTPException\ForbiddenException();
  65         }
  66
  67         $uid = local_user();
  68
  69         if (!empty($_REQUEST['dropitems'])) {
  70                 $arr_drop = explode(',', $_REQUEST['dropitems']);
  71                 foreach ($arr_drop as $item) {
  72                         Item::deleteForUser(['id' => $item], $uid);
  73                 }
  74
  75                 $json = ['success' => 1];
  76                 System::jsonExit($json);
  77         }
  78
  79         Hook::callAll('post_local_start', $_REQUEST);
  80
  81         Logger::debug('postvars', ['_REQUEST' => $_REQUEST]);
  82
  83         $api_source = $_REQUEST['api_source'] ?? false;
  84
  85         $message_id = ((!empty($_REQUEST['message_id']) && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
  86
  87         $return_path = $_REQUEST['return'] ?? '';
  88         $preview = intval($_REQUEST['preview'] ?? 0);
  89
  90         /*
  91          * Check for doubly-submitted posts, and reject duplicates
  92          * Note that we have to ignore previews, otherwise nothing will post
  93          * after it's been previewed
  94          */
  95         if (!$preview && !empty($_REQUEST['post_id_random'])) {
  96                 if (!empty($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
  97                         Logger::info('item post: duplicate post');
  98                         item_post_return(DI::baseUrl(), $api_source, $return_path);
  99                 } else {
 100                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
 101                 }
 102         }
 103
 104         // Is this a reply to something?
 105         $toplevel_item_id = intval($_REQUEST['parent'] ?? 0);
 106         $thr_parent_uri = trim($_REQUEST['parent_uri'] ?? '');
 107
 108         $toplevel_item = null;
 109         $parent_user = null;
 110
 111         $objecttype = null;
 112         $profile_uid = ($_REQUEST['profile_uid'] ?? 0) ?: local_user();
 113         $posttype = ($_REQUEST['post_type'] ?? '') ?: Item::PT_ARTICLE;
 114
 115         if ($toplevel_item_id || $thr_parent_uri) {
 116                 if ($toplevel_item_id) {
 117                         $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item_id]);
 118                 } elseif ($thr_parent_uri) {
 119                         $toplevel_item = Item::selectFirst([], ['uri' => $thr_parent_uri, 'uid' => $profile_uid]);
 120                 }
 121
 122                 // if this isn't the top-level parent of the conversation, find it
 123                 if (DBA::isResult($toplevel_item)) {
 124                         // The URI and the contact is taken from the direct parent which needn't to be the top parent
 125                         $thr_parent_uri = $toplevel_item['uri'];
 126
 127                         if ($toplevel_item['gravity'] != GRAVITY_PARENT) {
 128                                 $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item['parent']]);
 129                         }
 130                 }
 131
 132                 if (!DBA::isResult($toplevel_item)) {
 133                         notice(DI::l10n()->t('Unable to locate original post.'));
 134                         if ($return_path) {
 135                                 DI::baseUrl()->redirect($return_path);
 136                         }
 137                         throw new HTTPException\NotFoundException(DI::l10n()->t('Unable to locate original post.'));
 138                 }
 139
 140                 $toplevel_item_id = $toplevel_item['id'];
 141                 $parent_user = $toplevel_item['uid'];
 142
 143                 $objecttype = Activity\ObjectType::COMMENT;
 144         }
 145
 146         if ($toplevel_item_id) {
 147                 Logger::info('mod_item: item_post', ['parent' => $toplevel_item_id]);
 148         }
 149
 150         $post_id     = intval($_REQUEST['post_id'] ?? 0);
 151         $app         = strip_tags($_REQUEST['source'] ?? '');
 152         $extid       = strip_tags($_REQUEST['extid'] ?? '');
 153         $object      = $_REQUEST['object'] ?? '';
 154
 155         // Don't use "defaults" here. It would turn 0 to 1
 156         if (!isset($_REQUEST['wall'])) {
 157                 $wall = 1;
 158         } else {
 159                 $wall = $_REQUEST['wall'];
 160         }
 161
 162         // Ensure that the user id in a thread always stay the same
 163         if (!is_null($parent_user) && in_array($parent_user, [local_user(), 0])) {
 164                 $profile_uid = $parent_user;
 165         }
 166
 167         // Check for multiple posts with the same message id (when the post was created via API)
 168         if (($message_id != '') && ($profile_uid != 0)) {
 169                 if (Item::exists(['uri' => $message_id, 'uid' => $profile_uid])) {
 170                         Logger::info('Message already exists for user', ['uri' => $message_id, 'uid' => $profile_uid]);
 171                         return 0;
 172                 }
 173         }
 174
 175         // Allow commenting if it is an answer to a public post
 176         $allow_comment = local_user() && ($profile_uid == 0) && $toplevel_item_id && in_array($toplevel_item['network'], Protocol::FEDERATED);
 177
 178         // Now check that valid personal details have been provided
 179         if (!Security::canWriteToUserWall($profile_uid) && !$allow_comment) {
 180                 notice(DI::l10n()->t('Permission denied.'));
 181                 if ($return_path) {
 182                         DI::baseUrl()->redirect($return_path);
 183                 }
 184
 185                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
 186         }
 187
 188         // Init post instance
 189         $orig_post = null;
 190
 191         // is this an edited post?
 192         if ($post_id > 0) {
 193                 $orig_post = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
 194         }
 195
 196         $user = DBA::selectFirst('user', [], ['uid' => $profile_uid]);
 197
 198         if (!DBA::isResult($user) && !$toplevel_item_id) {
 199                 return 0;
 200         }
 201
 202         $categories = '';
 203         $postopts = '';
 204         $emailcc = '';
 205         $body = $_REQUEST['body'] ?? '';
 206         $has_attachment = $_REQUEST['has_attachment'] ?? 0;
 207
 208         // If we have a speparate attachment, we need to add it to the body.
 209         if (!empty($has_attachment)) {
 210                 $attachment_type  = $_REQUEST['attachment_type'] ??  '';
 211                 $attachment_title = $_REQUEST['attachment_title'] ?? '';
 212                 $attachment_text  = $_REQUEST['attachment_text'] ??  '';
 213
 214                 $attachment_url     = hex2bin($_REQUEST['attachment_url'] ??     '');
 215                 $attachment_img_src = hex2bin($_REQUEST['attachment_img_src'] ?? '');
 216
 217                 $attachment_img_width  = $_REQUEST['attachment_img_width'] ??  0;
 218                 $attachment_img_height = $_REQUEST['attachment_img_height'] ?? 0;
 219                 $attachment = [
 220                         'type'   => $attachment_type,
 221                         'title'  => $attachment_title,
 222                         'text'   => $attachment_text,
 223                         'url'    => $attachment_url,
 224                 ];
 225
 226                 if (!empty($attachment_img_src)) {
 227                         $attachment['images'] = [
 228                                 0 => [
 229                                         'src'    => $attachment_img_src,
 230                                         'width'  => $attachment_img_width,
 231                                         'height' => $attachment_img_height
 232                                 ]
 233                         ];
 234                 }
 235
 236                 $att_bbcode = add_page_info_data($attachment);
 237                 $body .= $att_bbcode;
 238         }
 239
 240         // Convert links with empty descriptions to links without an explicit description
 241         $body = preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $body);
 242
 243         if (!empty($orig_post)) {
 244                 $str_group_allow   = $orig_post['allow_gid'];
 245                 $str_contact_allow = $orig_post['allow_cid'];
 246                 $str_group_deny    = $orig_post['deny_gid'];
 247                 $str_contact_deny  = $orig_post['deny_cid'];
 248                 $location          = $orig_post['location'];
 249                 $coord             = $orig_post['coord'];
 250                 $verb              = $orig_post['verb'];
 251                 $objecttype        = $orig_post['object-type'];
 252                 $app               = $orig_post['app'];
 253                 $categories        = $orig_post['file'] ?? '';
 254                 $title             = Strings::escapeTags(trim($_REQUEST['title']));
 255                 $body              = trim($body);
 256                 $private           = $orig_post['private'];
 257                 $pubmail_enabled   = $orig_post['pubmail'];
 258                 $network           = $orig_post['network'];
 259                 $guid              = $orig_post['guid'];
 260                 $extid             = $orig_post['extid'];
 261         } else {
 262                 $str_contact_allow = '';
 263                 $str_group_allow   = '';
 264                 $str_contact_deny  = '';
 265                 $str_group_deny    = '';
 266
 267                 if (($_REQUEST['visibility'] ?? '') !== 'public') {
 268                         $aclFormatter = DI::aclFormatter();
 269                         $str_contact_allow = isset($_REQUEST['contact_allow']) ? $aclFormatter->toString($_REQUEST['contact_allow']) : $user['allow_cid'] ?? '';
 270                         $str_group_allow   = isset($_REQUEST['group_allow'])   ? $aclFormatter->toString($_REQUEST['group_allow'])   : $user['allow_gid'] ?? '';
 271                         $str_contact_deny  = isset($_REQUEST['contact_deny'])  ? $aclFormatter->toString($_REQUEST['contact_deny'])  : $user['deny_cid']  ?? '';
 272                         $str_group_deny    = isset($_REQUEST['group_deny'])    ? $aclFormatter->toString($_REQUEST['group_deny'])    : $user['deny_gid']  ?? '';
 273                 }
 274
 275                 $title             = Strings::escapeTags(trim($_REQUEST['title']    ?? ''));
 276                 $location          = Strings::escapeTags(trim($_REQUEST['location'] ?? ''));
 277                 $coord             = Strings::escapeTags(trim($_REQUEST['coord']    ?? ''));
 278                 $verb              = Strings::escapeTags(trim($_REQUEST['verb']     ?? ''));
 279                 $emailcc           = Strings::escapeTags(trim($_REQUEST['emailcc']  ?? ''));
 280                 $body              = trim($body);
 281                 $network           = Strings::escapeTags(trim(($_REQUEST['network']  ?? '') ?: Protocol::DFRN));
 282                 $guid              = System::createUUID();
 283
 284                 $postopts = $_REQUEST['postopts'] ?? '';
 285
 286                 if (strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) {
 287                         $private = Item::PRIVATE;
 288                 } elseif (DI::pConfig()->get($profile_uid, 'system', 'unlisted')) {
 289                         $private = Item::UNLISTED;
 290                 } else {
 291                         $private = Item::PUBLIC;
 292                 }
 293
 294                 // If this is a comment, set the permissions from the parent.
 295
 296                 if ($toplevel_item) {
 297                         // for non native networks use the network of the original post as network of the item
 298                         if (($toplevel_item['network'] != Protocol::DIASPORA)
 299                                 && ($toplevel_item['network'] != Protocol::OSTATUS)
 300                                 && ($network == "")) {
 301                                 $network = $toplevel_item['network'];
 302                         }
 303
 304                         $str_contact_allow = $toplevel_item['allow_cid'] ?? '';
 305                         $str_group_allow   = $toplevel_item['allow_gid'] ?? '';
 306                         $str_contact_deny  = $toplevel_item['deny_cid'] ?? '';
 307                         $str_group_deny    = $toplevel_item['deny_gid'] ?? '';
 308                         $private           = $toplevel_item['private'];
 309
 310                         $wall              = $toplevel_item['wall'];
 311                 }
 312
 313                 $pubmail_enabled = ($_REQUEST['pubmail_enable'] ?? false) && !$private;
 314
 315                 // if using the API, we won't see pubmail_enable - figure out if it should be set
 316                 if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) {
 317                         if (function_exists('imap_open') && !DI::config()->get('system', 'imap_disabled')) {
 318                                 $pubmail_enabled = DBA::exists('mailacct', ["`uid` = ? AND `server` != ? AND `pubmail`", local_user(), '']);
 319                         }
 320                 }
 321
 322                 if (!strlen($body)) {
 323                         if ($preview) {
 324                                 System::jsonExit(['preview' => '']);
 325                         }
 326
 327                         info(DI::l10n()->t('Empty post discarded.'));
 328                         if ($return_path) {
 329                                 DI::baseUrl()->redirect($return_path);
 330                         }
 331
 332                         throw new HTTPException\BadRequestException(DI::l10n()->t('Empty post discarded.'));
 333                 }
 334         }
 335
 336         if (!empty($categories)) {
 337                 // get the "fileas" tags for this post
 338                 $filedas = FileTag::fileToArray($categories);
 339         }
 340
 341         // save old and new categories, so we can determine what needs to be deleted from pconfig
 342         $categories_old = $categories;
 343         $categories = FileTag::listToFile(trim($_REQUEST['category'] ?? ''), 'category');
 344         $categories_new = $categories;
 345
 346         if (!empty($filedas) && is_array($filedas)) {
 347                 // append the fileas stuff to the new categories list
 348                 $categories .= FileTag::arrayToFile($filedas);
 349         }
 350
 351         // get contact info for poster
 352
 353         $author = null;
 354         $self   = false;
 355         $contact_id = 0;
 356
 357         if (local_user() && ((local_user() == $profile_uid) || $allow_comment)) {
 358                 $self = true;
 359                 $author = DBA::selectFirst('contact', [], ['uid' => local_user(), 'self' => true]);
 360         } elseif (!empty(Session::getRemoteContactID($profile_uid))) {
 361                 $author = DBA::selectFirst('contact', [], ['id' => Session::getRemoteContactID($profile_uid)]);
 362         }
 363
 364         if (DBA::isResult($author)) {
 365                 $contact_id = $author['id'];
 366         }
 367
 368         // get contact info for owner
 369         if ($profile_uid == local_user() || $allow_comment) {
 370                 $contact_record = $author ?: [];
 371         } else {
 372                 $contact_record = DBA::selectFirst('contact', [], ['uid' => $profile_uid, 'self' => true]) ?: [];
 373         }
 374
 375         // Look for any tags and linkify them
 376         $inform   = '';
 377         $private_forum = false;
 378         $private_id = null;
 379         $only_to_forum = false;
 380         $forum_contact = [];
 381
 382         $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) use ($profile_uid, $network, $str_contact_allow, &$inform, &$private_forum, &$private_id, &$only_to_forum, &$forum_contact) {
 383                 $tags = BBCode::getTags($body);
 384
 385                 $tagged = [];
 386
 387                 foreach ($tags as $tag) {
 388                         $tag_type = substr($tag, 0, 1);
 389
 390                         if ($tag_type == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
 391                                 continue;
 392                         }
 393
 394                         /* If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
 395                          * Robert Johnson should be first in the $tags array
 396                          */
 397                         foreach ($tagged as $nextTag) {
 398                                 if (stristr($nextTag, $tag . ' ')) {
 399                                         continue 2;
 400                                 }
 401                         }
 402
 403                         $success = ItemHelper::replaceTag($body, $inform, local_user() ? local_user() : $profile_uid, $tag, $network);
 404                         if ($success['replaced']) {
 405                                 $tagged[] = $tag;
 406                         }
 407                         // When the forum is private or the forum is addressed with a "!" make the post private
 408                         if (!empty($success['contact']['prv']) || ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
 409                                 $private_forum = $success['contact']['prv'];
 410                                 $only_to_forum = ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
 411                                 $private_id = $success['contact']['id'];
 412                                 $forum_contact = $success['contact'];
 413                         } elseif (!empty($success['contact']['forum']) && ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
 414                                 $private_forum = false;
 415                                 $only_to_forum = true;
 416                                 $private_id = $success['contact']['id'];
 417                                 $forum_contact = $success['contact'];
 418                         }
 419                 }
 420
 421                 return $body;
 422         });
 423
 424         $original_contact_id = $contact_id;
 425
 426         if (!$toplevel_item_id && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
 427                 // we tagged a forum in a top level post. Now we change the post
 428                 $private = $private_forum;
 429
 430                 $str_group_allow = '';
 431                 $str_contact_deny = '';
 432                 $str_group_deny = '';
 433                 if ($private_forum) {
 434                         $str_contact_allow = '<' . $private_id . '>';
 435                 } else {
 436                         $str_contact_allow = '';
 437                 }
 438                 $contact_id = $private_id;
 439                 $contact_record = $forum_contact;
 440                 $_REQUEST['origin'] = false;
 441                 $wall = 0;
 442         }
 443
 444         /*
 445          * When a photo was uploaded into the message using the (profile wall) ajax
 446          * uploader, The permissions are initially set to disallow anybody but the
 447          * owner from seeing it. This is because the permissions may not yet have been
 448          * set for the post. If it's private, the photo permissions should be set
 449          * appropriately. But we didn't know the final permissions on the post until
 450          * now. So now we'll look for links of uploaded messages that are in the
 451          * post and set them to the same permissions as the post itself.
 452          */
 453
 454         $match = null;
 455
 456         if (!$preview && Photo::setPermissionFromBody($body, $uid, $original_contact_id, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny)) {
 457                 $objecttype = Activity\ObjectType::IMAGE;
 458         }
 459
 460         /*
 461          * Next link in any attachment references we find in the post.
 462          */
 463         $match = false;
 464
 465         /// @todo these lines should be moved to Model/Attach (Once it exists)
 466         if (!$preview && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
 467                 $attaches = $match[1];
 468                 if (count($attaches)) {
 469                         foreach ($attaches as $attach) {
 470                                 // Ensure to only modify attachments that you own
 471                                 $srch = '<' . intval($original_contact_id) . '>';
 472
 473                                 $condition = ['allow_cid' => $srch, 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '',
 474                                                 'id' => $attach];
 475                                 if (!Attach::exists($condition)) {
 476                                         continue;
 477                                 }
 478
 479                                 $fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
 480                                                 'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny];
 481                                 $condition = ['id' => $attach];
 482                                 Attach::update($fields, $condition);
 483                         }
 484                 }
 485         }
 486
 487         // embedded bookmark or attachment in post? set bookmark flag
 488
 489         $data = BBCode::getAttachmentData($body);
 490         if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"]))
 491                 && ($posttype != Item::PT_PERSONAL_NOTE)) {
 492                 $posttype = Item::PT_PAGE;
 493                 $objecttype =  Activity\ObjectType::BOOKMARK;
 494         }
 495
 496         $body = DI::bbCodeVideo()->transform($body);
 497
 498         $body = BBCode::scaleExternalImages($body);
 499
 500         // Setting the object type if not defined before
 501         if (!$objecttype) {
 502                 $objecttype = Activity\ObjectType::NOTE; // Default value
 503                 $objectdata = BBCode::getAttachedData($body);
 504
 505                 if ($objectdata["type"] == "link") {
 506                         $objecttype = Activity\ObjectType::BOOKMARK;
 507                 } elseif ($objectdata["type"] == "video") {
 508                         $objecttype = Activity\ObjectType::VIDEO;
 509                 } elseif ($objectdata["type"] == "photo") {
 510                         $objecttype = Activity\ObjectType::IMAGE;
 511                 }
 512
 513         }
 514
 515         $attachments = '';
 516         $match = false;
 517
 518         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
 519                 foreach ($match[2] as $mtch) {
 520                         $fields = ['id', 'filename', 'filesize', 'filetype'];
 521                         $attachment = Attach::selectFirst($fields, ['id' => $mtch]);
 522                         if ($attachment !== false) {
 523                                 if (strlen($attachments)) {
 524                                         $attachments .= ',';
 525                                 }
 526                                 $attachments .= '[attach]href="' . DI::baseUrl() . '/attach/' . $attachment['id'] .
 527                                                 '" length="' . $attachment['filesize'] . '" type="' . $attachment['filetype'] .
 528                                                 '" title="' . ($attachment['filename'] ? $attachment['filename'] : '') . '"[/attach]';
 529                         }
 530                         $body = str_replace($match[1],'',$body);
 531                 }
 532         }
 533
 534         if (!strlen($verb)) {
 535                 $verb = Activity::POST;
 536         }
 537
 538         if ($network == "") {
 539                 $network = Protocol::DFRN;
 540         }
 541
 542         $gravity = ($toplevel_item_id ? GRAVITY_COMMENT : GRAVITY_PARENT);
 543
 544         // even if the post arrived via API we are considering that it
 545         // originated on this site by default for determining relayability.
 546
 547         // Don't use "defaults" here. It would turn 0 to 1
 548         if (!isset($_REQUEST['origin'])) {
 549                 $origin = 1;
 550         } else {
 551                 $origin = $_REQUEST['origin'];
 552         }
 553
 554         $uri = ($message_id ? $message_id : Item::newURI($api_source ? $profile_uid : $uid, $guid));
 555
 556         // Fallback so that we alway have a parent uri
 557         if (!$thr_parent_uri || !$toplevel_item_id) {
 558                 $thr_parent_uri = $uri;
 559         }
 560
 561         $datarray = [];
 562         $datarray['uid']           = $profile_uid;
 563         $datarray['wall']          = $wall;
 564         $datarray['gravity']       = $gravity;
 565         $datarray['network']       = $network;
 566         $datarray['contact-id']    = $contact_id;
 567         $datarray['owner-name']    = $contact_record['name'] ?? '';
 568         $datarray['owner-link']    = $contact_record['url'] ?? '';
 569         $datarray['owner-avatar']  = $contact_record['thumb'] ?? '';
 570         $datarray['owner-id']      = Contact::getIdForURL($datarray['owner-link']);
 571         $datarray['author-name']   = $author['name'];
 572         $datarray['author-link']   = $author['url'];
 573         $datarray['author-avatar'] = $author['thumb'];
 574         $datarray['author-id']     = Contact::getIdForURL($datarray['author-link']);
 575         $datarray['created']       = DateTimeFormat::utcNow();
 576         $datarray['edited']        = DateTimeFormat::utcNow();
 577         $datarray['commented']     = DateTimeFormat::utcNow();
 578         $datarray['received']      = DateTimeFormat::utcNow();
 579         $datarray['changed']       = DateTimeFormat::utcNow();
 580         $datarray['extid']         = $extid;
 581         $datarray['guid']          = $guid;
 582         $datarray['uri']           = $uri;
 583         $datarray['title']         = $title;
 584         $datarray['body']          = $body;
 585         $datarray['app']           = $app;
 586         $datarray['location']      = $location;
 587         $datarray['coord']         = $coord;
 588         $datarray['file']          = $categories;
 589         $datarray['inform']        = $inform;
 590         $datarray['verb']          = $verb;
 591         $datarray['post-type']     = $posttype;
 592         $datarray['object-type']   = $objecttype;
 593         $datarray['allow_cid']     = $str_contact_allow;
 594         $datarray['allow_gid']     = $str_group_allow;
 595         $datarray['deny_cid']      = $str_contact_deny;
 596         $datarray['deny_gid']      = $str_group_deny;
 597         $datarray['private']       = $private;
 598         $datarray['pubmail']       = $pubmail_enabled;
 599         $datarray['attach']        = $attachments;
 600
 601         // This is not a bug. The item store function changes 'parent-uri' to 'thr-parent' and fetches 'parent-uri' new. (We should change this)
 602         $datarray['parent-uri']    = $thr_parent_uri;
 603
 604         $datarray['postopts']      = $postopts;
 605         $datarray['origin']        = $origin;
 606         $datarray['moderated']     = false;
 607         $datarray['object']        = $object;
 608
 609         /*
 610          * These fields are for the convenience of addons...
 611          * 'self' if true indicates the owner is posting on their own wall
 612          * If parent is 0 it is a top-level post.
 613          */
 614         $datarray['parent']        = $toplevel_item_id;
 615         $datarray['self']          = $self;
 616
 617         // This triggers posts via API and the mirror functions
 618         $datarray['api_source'] = $api_source;
 619
 620         // This field is for storing the raw conversation data
 621         $datarray['protocol'] = Conversation::PARCEL_DFRN;
 622
 623         $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $datarray['parent-uri']]);
 624         if (DBA::isResult($conversation)) {
 625                 if ($conversation['conversation-uri'] != '') {
 626                         $datarray['conversation-uri'] = $conversation['conversation-uri'];
 627                 }
 628                 if ($conversation['conversation-href'] != '') {
 629                         $datarray['conversation-href'] = $conversation['conversation-href'];
 630                 }
 631         }
 632
 633         if ($orig_post) {
 634                 $datarray['edit'] = true;
 635         } else {
 636                 // If this was a share, add missing data here
 637                 $datarray = Item::addShareDataFromOriginal($datarray);
 638
 639                 $datarray['edit'] = false;
 640         }
 641
 642         // Check for hashtags in the body and repair or add hashtag links
 643         if ($preview || $orig_post) {
 644                 $datarray['body'] = Item::setHashtags($datarray['body']);
 645         }
 646
 647         // preview mode - prepare the body for display and send it via json
 648         if ($preview) {
 649                 // We set the datarray ID to -1 because in preview mode the dataray
 650                 // doesn't have an ID.
 651                 $datarray["id"] = -1;
 652                 $datarray["uri-id"] = -1;
 653                 $datarray["item_id"] = -1;
 654                 $datarray["author-network"] = Protocol::DFRN;
 655
 656                 $o = conversation($a, [array_merge($contact_record, $datarray)], 'search', false, true);
 657
 658                 System::jsonExit(['preview' => $o]);
 659         }
 660
 661         Hook::callAll('post_local',$datarray);
 662
 663         if (!empty($datarray['cancel'])) {
 664                 Logger::info('mod_item: post cancelled by addon.');
 665                 if ($return_path) {
 666                         DI::baseUrl()->redirect($return_path);
 667                 }
 668
 669                 $json = ['cancel' => 1];
 670                 if (!empty($_REQUEST['jsreload'])) {
 671                         $json['reload'] = DI::baseUrl() . '/' . $_REQUEST['jsreload'];
 672                 }
 673
 674                 System::jsonExit($json);
 675         }
 676
 677         if ($orig_post) {
 678                 // Fill the cache field
 679                 // This could be done in Item::update as well - but we have to check for the existance of some fields.
 680                 Item::putInCache($datarray);
 681
 682                 $fields = [
 683                         'title' => $datarray['title'],
 684                         'body' => $datarray['body'],
 685                         'attach' => $datarray['attach'],
 686                         'file' => $datarray['file'],
 687                         'rendered-html' => $datarray['rendered-html'],
 688                         'rendered-hash' => $datarray['rendered-hash'],
 689                         'edited' => DateTimeFormat::utcNow(),
 690                         'changed' => DateTimeFormat::utcNow()];
 691
 692                 Item::update($fields, ['id' => $post_id]);
 693
 694                 // update filetags in pconfig
 695                 FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
 696
 697                 info(DI::l10n()->t('Post updated.'));
 698                 if ($return_path) {
 699                         DI::baseUrl()->redirect($return_path);
 700                 }
 701
 702                 throw new HTTPException\OKException(DI::l10n()->t('Post updated.'));
 703         }
 704
 705         unset($datarray['edit']);
 706         unset($datarray['self']);
 707         unset($datarray['api_source']);
 708
 709         if ($origin) {
 710                 $signed = Diaspora::createCommentSignature($uid, $datarray);
 711                 if (!empty($signed)) {
 712                         $datarray['diaspora_signed_text'] = json_encode($signed);
 713                 }
 714         }
 715
 716         $post_id = Item::insert($datarray);
 717
 718         if (!$post_id) {
 719                 info(DI::l10n()->t('Item wasn\'t stored.'));
 720                 if ($return_path) {
 721                         DI::baseUrl()->redirect($return_path);
 722                 }
 723
 724                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item wasn\'t stored.'));
 725         }
 726
 727         $datarray = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
 728
 729         if (!DBA::isResult($datarray)) {
 730                 Logger::error('Item couldn\'t be fetched.', ['post_id' => $post_id]);
 731                 if ($return_path) {
 732                         DI::baseUrl()->redirect($return_path);
 733                 }
 734
 735                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item couldn\'t be fetched.'));
 736         }
 737
 738         Tag::storeFromBody($datarray['uri-id'], $datarray['body']);
 739
 740         if (!\Friendica\Content\Feature::isEnabled($uid, 'explicit_mentions') && ($datarray['gravity'] == GRAVITY_COMMENT)) {
 741                 Tag::createImplicitMentions($datarray['uri-id'], $datarray['thr-parent-id']);
 742         }
 743
 744         // update filetags in pconfig
 745         FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
 746
 747         // These notifications are sent if someone else is commenting other your wall
 748         if ($contact_record != $author) {
 749                 if ($toplevel_item_id) {
 750                         notification([
 751                                 'type'         => Type::COMMENT,
 752                                 'notify_flags' => $user['notify-flags'],
 753                                 'language'     => $user['language'],
 754                                 'to_name'      => $user['username'],
 755                                 'to_email'     => $user['email'],
 756                                 'uid'          => $user['uid'],
 757                                 'item'         => $datarray,
 758                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
 759                                 'source_name'  => $datarray['author-name'],
 760                                 'source_link'  => $datarray['author-link'],
 761                                 'source_photo' => $datarray['author-avatar'],
 762                                 'verb'         => Activity::POST,
 763                                 'otype'        => 'item',
 764                                 'parent'       => $toplevel_item_id,
 765                                 'parent_uri'   => $toplevel_item['uri']
 766                         ]);
 767                 } elseif (empty($forum_contact)) {
 768                         notification([
 769                                 'type'         => Type::WALL,
 770                                 'notify_flags' => $user['notify-flags'],
 771                                 'language'     => $user['language'],
 772                                 'to_name'      => $user['username'],
 773                                 'to_email'     => $user['email'],
 774                                 'uid'          => $user['uid'],
 775                                 'item'         => $datarray,
 776                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
 777                                 'source_name'  => $datarray['author-name'],
 778                                 'source_link'  => $datarray['author-link'],
 779                                 'source_photo' => $datarray['author-avatar'],
 780                                 'verb'         => Activity::POST,
 781                                 'otype'        => 'item'
 782                         ]);
 783                 }
 784         }
 785
 786         Hook::callAll('post_local_end', $datarray);
 787
 788         if (strlen($emailcc) && $profile_uid == local_user()) {
 789                 $recipients = explode(',', $emailcc);
 790                 if (count($recipients)) {
 791                         foreach ($recipients as $recipient) {
 792                                 $address = trim($recipient);
 793                                 if (!strlen($address)) {
 794                                         continue;
 795                                 }
 796                                 DI::emailer()->send(new ItemCCEMail(DI::app(), DI::l10n(), DI::baseUrl(),
 797                                         $datarray, $address, $author['thumb'] ?? ''));
 798                         }
 799                 }
 800         }
 801
 802         // Insert an item entry for UID=0 for global entries.
 803         // We now do it in the background to save some time.
 804         // This is important in interactive environments like the frontend or the API.
 805         // We don't fork a new process since this is done anyway with the following command
 806         Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "CreateShadowEntry", $post_id);
 807
 808         // When we are doing some forum posting via ! we have to start the notifier manually.
 809         // These kind of posts don't initiate the notifier call in the item class.
 810         if ($only_to_forum) {
 811                 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => false], "Notifier", Delivery::POST, $post_id);
 812         }
 813
 814         Logger::info('post_complete');
 815
 816         if ($api_source) {
 817                 return $post_id;
 818         }
 819
 820         info(DI::l10n()->t('Post published.'));
 821         item_post_return(DI::baseUrl(), $api_source, $return_path);
 822         // NOTREACHED
 823 }
 824
 825 function item_post_return($baseurl, $api_source, $return_path)
 826 {
 827         if ($api_source) {
 828                 return;
 829         }
 830
 831         if ($return_path) {
 832                 DI::baseUrl()->redirect($return_path);
 833         }
 834
 835         $json = ['success' => 1];
 836         if (!empty($_REQUEST['jsreload'])) {
 837                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
 838         }
 839
 840         Logger::info('post_json', ['json' => $json]);
 841
 842         System::jsonExit($json);
 843 }
 844
 845 function item_content(App $a)
 846 {
 847         if (!Session::isAuthenticated()) {
 848                 return;
 849         }
 850
 851         $o = '';
 852
 853         if (($a->argc >= 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 854                 if (DI::mode()->isAjax()) {
 855                         Item::deleteForUser(['id' => $a->argv[2]], local_user());
 856                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
 857                         System::jsonExit([intval($a->argv[2]), local_user()]);
 858                 } else {
 859                         if (!empty($a->argv[3])) {
 860                                 $o = drop_item($a->argv[2], $a->argv[3]);
 861                         }
 862                         else {
 863                                 $o = drop_item($a->argv[2]);
 864                         }
 865                 }
 866         }
 867
 868         return $o;
 869 }
 870
 871 /**
 872  * @param int    $id
 873  * @param string $return
 874  * @return string
 875  * @throws HTTPException\InternalServerErrorException
 876  */
 877 function drop_item(int $id, string $return = '')
 878 {
 879         // locate item to be deleted
 880         $fields = ['id', 'uid', 'guid', 'contact-id', 'deleted', 'gravity', 'parent'];
 881         $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $id]);
 882
 883         if (!DBA::isResult($item)) {
 884                 notice(DI::l10n()->t('Item not found.') . EOL);
 885                 DI::baseUrl()->redirect('network');
 886         }
 887
 888         if ($item['deleted']) {
 889                 return '';
 890         }
 891
 892         $contact_id = 0;
 893
 894         // check if logged in user is either the author or owner of this item
 895         if (Session::getRemoteContactID($item['uid']) == $item['contact-id']) {
 896                 $contact_id = $item['contact-id'];
 897         }
 898
 899         if ((local_user() == $item['uid']) || $contact_id) {
 900                 // Check if we should do HTML-based delete confirmation
 901                 if (!empty($_REQUEST['confirm'])) {
 902                         // <form> can't take arguments in its "action" parameter
 903                         // so add any arguments as hidden inputs
 904                         $query = explode_querystring(DI::args()->getQueryString());
 905                         $inputs = [];
 906
 907                         foreach ($query['args'] as $arg) {
 908                                 if (strpos($arg, 'confirm=') === false) {
 909                                         $arg_parts = explode('=', $arg);
 910                                         $inputs[] = ['name' => $arg_parts[0], 'value' => $arg_parts[1]];
 911                                 }
 912                         }
 913
 914                         return Renderer::replaceMacros(Renderer::getMarkupTemplate('confirm.tpl'), [
 915                                 '$method' => 'get',
 916                                 '$message' => DI::l10n()->t('Do you really want to delete this item?'),
 917                                 '$extra_inputs' => $inputs,
 918                                 '$confirm' => DI::l10n()->t('Yes'),
 919                                 '$confirm_url' => $query['base'],
 920                                 '$confirm_name' => 'confirmed',
 921                                 '$cancel' => DI::l10n()->t('Cancel'),
 922                         ]);
 923                 }
 924                 // Now check how the user responded to the confirmation query
 925                 if (!empty($_REQUEST['canceled'])) {
 926                         DI::baseUrl()->redirect('display/' . $item['guid']);
 927                 }
 928
 929                 $is_comment = $item['gravity'] == GRAVITY_COMMENT;
 930                 $parentitem = null;
 931                 if (!empty($item['parent'])) {
 932                         $fields = ['guid'];
 933                         $parentitem = Item::selectFirstForUser(local_user(), $fields, ['id' => $item['parent']]);
 934                 }
 935
 936                 // delete the item
 937                 Item::deleteForUser(['id' => $item['id']], local_user());
 938
 939                 $return_url = hex2bin($return);
 940
 941                 // removes update_* from return_url to ignore Ajax refresh
 942                 $return_url = str_replace("update_", "", $return_url);
 943
 944                 // Check if delete a comment
 945                 if ($is_comment) {
 946                         // Return to parent guid
 947                         if (!empty($parentitem)) {
 948                                 DI::baseUrl()->redirect('display/' . $parentitem['guid']);
 949                                 //NOTREACHED
 950                         } // In case something goes wrong
 951                         else {
 952                                 DI::baseUrl()->redirect('network');
 953                                 //NOTREACHED
 954                         }
 955                 } else {
 956                         // if unknown location or deleting top level post called from display
 957                         if (empty($return_url) || strpos($return_url, 'display') !== false) {
 958                                 DI::baseUrl()->redirect('network');
 959                                 //NOTREACHED
 960                         } else {
 961                                 DI::baseUrl()->redirect($return_url);
 962                                 //NOTREACHED
 963                         }
 964                 }
 965         } else {
 966                 notice(DI::l10n()->t('Permission denied.'));
 967                 DI::baseUrl()->redirect('display/' . $item['guid']);
 968                 //NOTREACHED
 969         }
 970
 971         return '';
 972 }