]> git.mxchange.org Git - friendica.git/blob - mod/item.php
Merge pull request #8753 from MrPetovan/bug/fatal-errors
[friendica.git] / 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\Session;
38 use Friendica\Core\System;
39 use Friendica\Core\Worker;
40 use Friendica\Database\DBA;
41 use Friendica\DI;
42 use Friendica\Model\Attach;
43 use Friendica\Model\Contact;
44 use Friendica\Model\Conversation;
45 use Friendica\Model\FileTag;
46 use Friendica\Model\Item;
47 use Friendica\Model\Notify\Type;
48 use Friendica\Model\Photo;
49 use Friendica\Model\Tag;
50 use Friendica\Network\HTTPException;
51 use Friendica\Object\EMail\ItemCCEMail;
52 use Friendica\Protocol\Activity;
53 use Friendica\Protocol\Diaspora;
54 use Friendica\Util\DateTimeFormat;
55 use Friendica\Util\Security;
56 use Friendica\Util\Strings;
57 use Friendica\Worker\Delivery;
58
59 require_once __DIR__ . '/../include/items.php';
60
61 function item_post(App $a) {
62         if (!Session::isAuthenticated()) {
63                 throw new HTTPException\ForbiddenException();
64         }
65
66         $uid = local_user();
67
68         if (!empty($_REQUEST['dropitems'])) {
69                 $arr_drop = explode(',', $_REQUEST['dropitems']);
70                 drop_items($arr_drop);
71                 $json = ['success' => 1];
72                 System::jsonExit($json);
73         }
74
75         Hook::callAll('post_local_start', $_REQUEST);
76
77         Logger::debug('postvars', ['_REQUEST' => $_REQUEST]);
78
79         $api_source = $_REQUEST['api_source'] ?? false;
80
81         $message_id = ((!empty($_REQUEST['message_id']) && $api_source) ? strip_tags($_REQUEST['message_id']) : '');
82
83         $return_path = $_REQUEST['return'] ?? '';
84         $preview = intval($_REQUEST['preview'] ?? 0);
85
86         /*
87          * Check for doubly-submitted posts, and reject duplicates
88          * Note that we have to ignore previews, otherwise nothing will post
89          * after it's been previewed
90          */
91         if (!$preview && !empty($_REQUEST['post_id_random'])) {
92                 if (!empty($_SESSION['post-random']) && $_SESSION['post-random'] == $_REQUEST['post_id_random']) {
93                         Logger::info('item post: duplicate post');
94                         item_post_return(DI::baseUrl(), $api_source, $return_path);
95                 } else {
96                         $_SESSION['post-random'] = $_REQUEST['post_id_random'];
97                 }
98         }
99
100         // Is this a reply to something?
101         $toplevel_item_id = intval($_REQUEST['parent'] ?? 0);
102         $thr_parent_uri = trim($_REQUEST['parent_uri'] ?? '');
103
104         $toplevel_item = null;
105         $parent_user = null;
106
107         $objecttype = null;
108         $profile_uid = ($_REQUEST['profile_uid'] ?? 0) ?: local_user();
109         $posttype = ($_REQUEST['post_type'] ?? '') ?: Item::PT_ARTICLE;
110
111         if ($toplevel_item_id || $thr_parent_uri) {
112                 if ($toplevel_item_id) {
113                         $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item_id]);
114                 } elseif ($thr_parent_uri) {
115                         $toplevel_item = Item::selectFirst([], ['uri' => $thr_parent_uri, 'uid' => $profile_uid]);
116                 }
117
118                 // if this isn't the top-level parent of the conversation, find it
119                 if (DBA::isResult($toplevel_item)) {
120                         // The URI and the contact is taken from the direct parent which needn't to be the top parent
121                         $thr_parent_uri = $toplevel_item['uri'];
122
123                         if ($toplevel_item['gravity'] != GRAVITY_PARENT) {
124                                 $toplevel_item = Item::selectFirst([], ['id' => $toplevel_item['parent']]);
125                         }
126                 }
127
128                 if (!DBA::isResult($toplevel_item)) {
129                         notice(DI::l10n()->t('Unable to locate original post.'));
130                         if ($return_path) {
131                                 DI::baseUrl()->redirect($return_path);
132                         }
133                         throw new HTTPException\NotFoundException(DI::l10n()->t('Unable to locate original post.'));
134                 }
135
136                 $toplevel_item_id = $toplevel_item['id'];
137                 $parent_user = $toplevel_item['uid'];
138
139                 $objecttype = Activity\ObjectType::COMMENT;
140         }
141
142         if ($toplevel_item_id) {
143                 Logger::info('mod_item: item_post', ['parent' => $toplevel_item_id]);
144         }
145
146         $post_id     = intval($_REQUEST['post_id'] ?? 0);
147         $app         = strip_tags($_REQUEST['source'] ?? '');
148         $extid       = strip_tags($_REQUEST['extid'] ?? '');
149         $object      = $_REQUEST['object'] ?? '';
150
151         // Don't use "defaults" here. It would turn 0 to 1
152         if (!isset($_REQUEST['wall'])) {
153                 $wall = 1;
154         } else {
155                 $wall = $_REQUEST['wall'];
156         }
157
158         // Ensure that the user id in a thread always stay the same
159         if (!is_null($parent_user) && in_array($parent_user, [local_user(), 0])) {
160                 $profile_uid = $parent_user;
161         }
162
163         // Check for multiple posts with the same message id (when the post was created via API)
164         if (($message_id != '') && ($profile_uid != 0)) {
165                 if (Item::exists(['uri' => $message_id, 'uid' => $profile_uid])) {
166                         Logger::info('Message already exists for user', ['uri' => $message_id, 'uid' => $profile_uid]);
167                         return 0;
168                 }
169         }
170
171         // Allow commenting if it is an answer to a public post
172         $allow_comment = local_user() && ($profile_uid == 0) && $toplevel_item_id && in_array($toplevel_item['network'], Protocol::FEDERATED);
173
174         // Now check that valid personal details have been provided
175         if (!Security::canWriteToUserWall($profile_uid) && !$allow_comment) {
176                 notice(DI::l10n()->t('Permission denied.'));
177                 if ($return_path) {
178                         DI::baseUrl()->redirect($return_path);
179                 }
180
181                 throw new HTTPException\ForbiddenException(DI::l10n()->t('Permission denied.'));
182         }
183
184         // Init post instance
185         $orig_post = null;
186
187         // is this an edited post?
188         if ($post_id > 0) {
189                 $orig_post = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
190         }
191
192         $user = DBA::selectFirst('user', [], ['uid' => $profile_uid]);
193
194         if (!DBA::isResult($user) && !$toplevel_item_id) {
195                 return 0;
196         }
197
198         $categories = '';
199         $postopts = '';
200         $emailcc = '';
201         $body = $_REQUEST['body'] ?? '';
202         $has_attachment = $_REQUEST['has_attachment'] ?? 0;
203
204         // If we have a speparate attachment, we need to add it to the body.
205         if (!empty($has_attachment)) {
206                 $attachment_type  = $_REQUEST['attachment_type'] ??  '';
207                 $attachment_title = $_REQUEST['attachment_title'] ?? '';
208                 $attachment_text  = $_REQUEST['attachment_text'] ??  '';
209
210                 $attachment_url     = hex2bin($_REQUEST['attachment_url'] ??     '');
211                 $attachment_img_src = hex2bin($_REQUEST['attachment_img_src'] ?? '');
212
213                 $attachment_img_width  = $_REQUEST['attachment_img_width'] ??  0;
214                 $attachment_img_height = $_REQUEST['attachment_img_height'] ?? 0;
215                 $attachment = [
216                         'type'   => $attachment_type,
217                         'title'  => $attachment_title,
218                         'text'   => $attachment_text,
219                         'url'    => $attachment_url,
220                 ];
221
222                 if (!empty($attachment_img_src)) {
223                         $attachment['images'] = [
224                                 0 => [
225                                         'src'    => $attachment_img_src,
226                                         'width'  => $attachment_img_width,
227                                         'height' => $attachment_img_height
228                                 ]
229                         ];
230                 }
231
232                 $att_bbcode = add_page_info_data($attachment);
233                 $body .= $att_bbcode;
234         }
235
236         // Convert links with empty descriptions to links without an explicit description
237         $body = preg_replace('#\[url=([^\]]*?)\]\[/url\]#ism', '[url]$1[/url]', $body);
238
239         if (!empty($orig_post)) {
240                 $str_group_allow   = $orig_post['allow_gid'];
241                 $str_contact_allow = $orig_post['allow_cid'];
242                 $str_group_deny    = $orig_post['deny_gid'];
243                 $str_contact_deny  = $orig_post['deny_cid'];
244                 $location          = $orig_post['location'];
245                 $coord             = $orig_post['coord'];
246                 $verb              = $orig_post['verb'];
247                 $objecttype        = $orig_post['object-type'];
248                 $app               = $orig_post['app'];
249                 $categories        = $orig_post['file'] ?? '';
250                 $title             = Strings::escapeTags(trim($_REQUEST['title']));
251                 $body              = trim($body);
252                 $private           = $orig_post['private'];
253                 $pubmail_enabled   = $orig_post['pubmail'];
254                 $network           = $orig_post['network'];
255                 $guid              = $orig_post['guid'];
256                 $extid             = $orig_post['extid'];
257         } else {
258                 $str_contact_allow = '';
259                 $str_group_allow   = '';
260                 $str_contact_deny  = '';
261                 $str_group_deny    = '';
262
263                 if (($_REQUEST['visibility'] ?? '') !== 'public') {
264                         $aclFormatter = DI::aclFormatter();
265                         $str_contact_allow = isset($_REQUEST['contact_allow']) ? $aclFormatter->toString($_REQUEST['contact_allow']) : $user['allow_cid'] ?? '';
266                         $str_group_allow   = isset($_REQUEST['group_allow'])   ? $aclFormatter->toString($_REQUEST['group_allow'])   : $user['allow_gid'] ?? '';
267                         $str_contact_deny  = isset($_REQUEST['contact_deny'])  ? $aclFormatter->toString($_REQUEST['contact_deny'])  : $user['deny_cid']  ?? '';
268                         $str_group_deny    = isset($_REQUEST['group_deny'])    ? $aclFormatter->toString($_REQUEST['group_deny'])    : $user['deny_gid']  ?? '';
269                 }
270
271                 $title             = Strings::escapeTags(trim($_REQUEST['title']    ?? ''));
272                 $location          = Strings::escapeTags(trim($_REQUEST['location'] ?? ''));
273                 $coord             = Strings::escapeTags(trim($_REQUEST['coord']    ?? ''));
274                 $verb              = Strings::escapeTags(trim($_REQUEST['verb']     ?? ''));
275                 $emailcc           = Strings::escapeTags(trim($_REQUEST['emailcc']  ?? ''));
276                 $body              = trim($body);
277                 $network           = Strings::escapeTags(trim(($_REQUEST['network']  ?? '') ?: Protocol::DFRN));
278                 $guid              = System::createUUID();
279
280                 $postopts = $_REQUEST['postopts'] ?? '';
281
282                 if (strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) {
283                         $private = Item::PRIVATE;
284                 } elseif (DI::pConfig()->get($profile_uid, 'system', 'unlisted')) {
285                         $private = Item::UNLISTED;
286                 } else {
287                         $private = Item::PUBLIC;
288                 }
289
290                 // If this is a comment, set the permissions from the parent.
291
292                 if ($toplevel_item) {
293                         // for non native networks use the network of the original post as network of the item
294                         if (($toplevel_item['network'] != Protocol::DIASPORA)
295                                 && ($toplevel_item['network'] != Protocol::OSTATUS)
296                                 && ($network == "")) {
297                                 $network = $toplevel_item['network'];
298                         }
299
300                         $str_contact_allow = $toplevel_item['allow_cid'] ?? '';
301                         $str_group_allow   = $toplevel_item['allow_gid'] ?? '';
302                         $str_contact_deny  = $toplevel_item['deny_cid'] ?? '';
303                         $str_group_deny    = $toplevel_item['deny_gid'] ?? '';
304                         $private           = $toplevel_item['private'];
305
306                         $wall              = $toplevel_item['wall'];
307                 }
308
309                 $pubmail_enabled = ($_REQUEST['pubmail_enable'] ?? false) && !$private;
310
311                 // if using the API, we won't see pubmail_enable - figure out if it should be set
312                 if ($api_source && $profile_uid && $profile_uid == local_user() && !$private) {
313                         if (function_exists('imap_open') && !DI::config()->get('system', 'imap_disabled')) {
314                                 $pubmail_enabled = DBA::exists('mailacct', ["`uid` = ? AND `server` != ? AND `pubmail`", local_user(), '']);
315                         }
316                 }
317
318                 if (!strlen($body)) {
319                         if ($preview) {
320                                 System::jsonExit(['preview' => '']);
321                         }
322
323                         info(DI::l10n()->t('Empty post discarded.'));
324                         if ($return_path) {
325                                 DI::baseUrl()->redirect($return_path);
326                         }
327
328                         throw new HTTPException\BadRequestException(DI::l10n()->t('Empty post discarded.'));
329                 }
330         }
331
332         if (!empty($categories)) {
333                 // get the "fileas" tags for this post
334                 $filedas = FileTag::fileToArray($categories);
335         }
336
337         // save old and new categories, so we can determine what needs to be deleted from pconfig
338         $categories_old = $categories;
339         $categories = FileTag::listToFile(trim($_REQUEST['category'] ?? ''), 'category');
340         $categories_new = $categories;
341
342         if (!empty($filedas) && is_array($filedas)) {
343                 // append the fileas stuff to the new categories list
344                 $categories .= FileTag::arrayToFile($filedas);
345         }
346
347         // get contact info for poster
348
349         $author = null;
350         $self   = false;
351         $contact_id = 0;
352
353         if (local_user() && ((local_user() == $profile_uid) || $allow_comment)) {
354                 $self = true;
355                 $author = DBA::selectFirst('contact', [], ['uid' => local_user(), 'self' => true]);
356         } elseif (!empty(Session::getRemoteContactID($profile_uid))) {
357                 $author = DBA::selectFirst('contact', [], ['id' => Session::getRemoteContactID($profile_uid)]);
358         }
359
360         if (DBA::isResult($author)) {
361                 $contact_id = $author['id'];
362         }
363
364         // get contact info for owner
365         if ($profile_uid == local_user() || $allow_comment) {
366                 $contact_record = $author;
367         } else {
368                 $contact_record = DBA::selectFirst('contact', [], ['uid' => $profile_uid, 'self' => true]);
369         }
370
371         // Look for any tags and linkify them
372         $inform   = '';
373         $private_forum = false;
374         $private_id = null;
375         $only_to_forum = false;
376         $forum_contact = [];
377
378         $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) use ($profile_uid, $network, $str_contact_allow, &$inform, &$private_forum, &$private_id, &$only_to_forum, &$forum_contact) {
379                 $tags = BBCode::getTags($body);
380
381                 $tagged = [];
382
383                 foreach ($tags as $tag) {
384                         $tag_type = substr($tag, 0, 1);
385
386                         if ($tag_type == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
387                                 continue;
388                         }
389
390                         /* If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
391                          * Robert Johnson should be first in the $tags array
392                          */
393                         foreach ($tagged as $nextTag) {
394                                 if (stristr($nextTag, $tag . ' ')) {
395                                         continue 2;
396                                 }
397                         }
398
399                         $success = ItemHelper::replaceTag($body, $inform, local_user() ? local_user() : $profile_uid, $tag, $network);
400                         if ($success['replaced']) {
401                                 $tagged[] = $tag;
402                         }
403                         // When the forum is private or the forum is addressed with a "!" make the post private
404                         if (!empty($success['contact']['prv']) || ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
405                                 $private_forum = $success['contact']['prv'];
406                                 $only_to_forum = ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
407                                 $private_id = $success['contact']['id'];
408                                 $forum_contact = $success['contact'];
409                         } elseif (!empty($success['contact']['forum']) && ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
410                                 $private_forum = false;
411                                 $only_to_forum = true;
412                                 $private_id = $success['contact']['id'];
413                                 $forum_contact = $success['contact'];
414                         }
415                 }
416
417                 return $body;
418         });
419
420         $original_contact_id = $contact_id;
421
422         if (!$toplevel_item_id && count($forum_contact) && ($private_forum || $only_to_forum)) {
423                 // we tagged a forum in a top level post. Now we change the post
424                 $private = $private_forum;
425
426                 $str_group_allow = '';
427                 $str_contact_deny = '';
428                 $str_group_deny = '';
429                 if ($private_forum) {
430                         $str_contact_allow = '<' . $private_id . '>';
431                 } else {
432                         $str_contact_allow = '';
433                 }
434                 $contact_id = $private_id;
435                 $contact_record = $forum_contact;
436                 $_REQUEST['origin'] = false;
437                 $wall = 0;
438         }
439
440         /*
441          * When a photo was uploaded into the message using the (profile wall) ajax
442          * uploader, The permissions are initially set to disallow anybody but the
443          * owner from seeing it. This is because the permissions may not yet have been
444          * set for the post. If it's private, the photo permissions should be set
445          * appropriately. But we didn't know the final permissions on the post until
446          * now. So now we'll look for links of uploaded messages that are in the
447          * post and set them to the same permissions as the post itself.
448          */
449
450         $match = null;
451
452         if (!$preview && Photo::setPermissionFromBody($body, $uid, $original_contact_id, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny)) {
453                 $objecttype = Activity\ObjectType::IMAGE;
454         }
455
456         /*
457          * Next link in any attachment references we find in the post.
458          */
459         $match = false;
460
461         /// @todo these lines should be moved to Model/Attach (Once it exists)
462         if (!$preview && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
463                 $attaches = $match[1];
464                 if (count($attaches)) {
465                         foreach ($attaches as $attach) {
466                                 // Ensure to only modify attachments that you own
467                                 $srch = '<' . intval($original_contact_id) . '>';
468
469                                 $condition = ['allow_cid' => $srch, 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '',
470                                                 'id' => $attach];
471                                 if (!Attach::exists($condition)) {
472                                         continue;
473                                 }
474
475                                 $fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
476                                                 'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny];
477                                 $condition = ['id' => $attach];
478                                 Attach::update($fields, $condition);
479                         }
480                 }
481         }
482
483         // embedded bookmark or attachment in post? set bookmark flag
484
485         $data = BBCode::getAttachmentData($body);
486         if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"]))
487                 && ($posttype != Item::PT_PERSONAL_NOTE)) {
488                 $posttype = Item::PT_PAGE;
489                 $objecttype =  Activity\ObjectType::BOOKMARK;
490         }
491
492         $body = DI::bbCodeVideo()->transform($body);
493
494         $body = BBCode::scaleExternalImages($body);
495
496         // Setting the object type if not defined before
497         if (!$objecttype) {
498                 $objecttype = Activity\ObjectType::NOTE; // Default value
499                 $objectdata = BBCode::getAttachedData($body);
500
501                 if ($objectdata["type"] == "link") {
502                         $objecttype = Activity\ObjectType::BOOKMARK;
503                 } elseif ($objectdata["type"] == "video") {
504                         $objecttype = Activity\ObjectType::VIDEO;
505                 } elseif ($objectdata["type"] == "photo") {
506                         $objecttype = Activity\ObjectType::IMAGE;
507                 }
508
509         }
510
511         $attachments = '';
512         $match = false;
513
514         if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
515                 foreach ($match[2] as $mtch) {
516                         $fields = ['id', 'filename', 'filesize', 'filetype'];
517                         $attachment = Attach::selectFirst($fields, ['id' => $mtch]);
518                         if ($attachment !== false) {
519                                 if (strlen($attachments)) {
520                                         $attachments .= ',';
521                                 }
522                                 $attachments .= '[attach]href="' . DI::baseUrl() . '/attach/' . $attachment['id'] .
523                                                 '" length="' . $attachment['filesize'] . '" type="' . $attachment['filetype'] .
524                                                 '" title="' . ($attachment['filename'] ? $attachment['filename'] : '') . '"[/attach]';
525                         }
526                         $body = str_replace($match[1],'',$body);
527                 }
528         }
529
530         if (!strlen($verb)) {
531                 $verb = Activity::POST;
532         }
533
534         if ($network == "") {
535                 $network = Protocol::DFRN;
536         }
537
538         $gravity = ($toplevel_item_id ? GRAVITY_COMMENT : GRAVITY_PARENT);
539
540         // even if the post arrived via API we are considering that it
541         // originated on this site by default for determining relayability.
542
543         // Don't use "defaults" here. It would turn 0 to 1
544         if (!isset($_REQUEST['origin'])) {
545                 $origin = 1;
546         } else {
547                 $origin = $_REQUEST['origin'];
548         }
549
550         $uri = ($message_id ? $message_id : Item::newURI($api_source ? $profile_uid : $uid, $guid));
551
552         // Fallback so that we alway have a parent uri
553         if (!$thr_parent_uri || !$toplevel_item_id) {
554                 $thr_parent_uri = $uri;
555         }
556
557         $datarray = [];
558         $datarray['uid']           = $profile_uid;
559         $datarray['wall']          = $wall;
560         $datarray['gravity']       = $gravity;
561         $datarray['network']       = $network;
562         $datarray['contact-id']    = $contact_id;
563         $datarray['owner-name']    = $contact_record['name'];
564         $datarray['owner-link']    = $contact_record['url'];
565         $datarray['owner-avatar']  = $contact_record['thumb'];
566         $datarray['owner-id']      = Contact::getIdForURL($datarray['owner-link']);
567         $datarray['author-name']   = $author['name'];
568         $datarray['author-link']   = $author['url'];
569         $datarray['author-avatar'] = $author['thumb'];
570         $datarray['author-id']     = Contact::getIdForURL($datarray['author-link']);
571         $datarray['created']       = DateTimeFormat::utcNow();
572         $datarray['edited']        = DateTimeFormat::utcNow();
573         $datarray['commented']     = DateTimeFormat::utcNow();
574         $datarray['received']      = DateTimeFormat::utcNow();
575         $datarray['changed']       = DateTimeFormat::utcNow();
576         $datarray['extid']         = $extid;
577         $datarray['guid']          = $guid;
578         $datarray['uri']           = $uri;
579         $datarray['title']         = $title;
580         $datarray['body']          = $body;
581         $datarray['app']           = $app;
582         $datarray['location']      = $location;
583         $datarray['coord']         = $coord;
584         $datarray['file']          = $categories;
585         $datarray['inform']        = $inform;
586         $datarray['verb']          = $verb;
587         $datarray['post-type']     = $posttype;
588         $datarray['object-type']   = $objecttype;
589         $datarray['allow_cid']     = $str_contact_allow;
590         $datarray['allow_gid']     = $str_group_allow;
591         $datarray['deny_cid']      = $str_contact_deny;
592         $datarray['deny_gid']      = $str_group_deny;
593         $datarray['private']       = $private;
594         $datarray['pubmail']       = $pubmail_enabled;
595         $datarray['attach']        = $attachments;
596
597         // This is not a bug. The item store function changes 'parent-uri' to 'thr-parent' and fetches 'parent-uri' new. (We should change this)
598         $datarray['parent-uri']    = $thr_parent_uri;
599
600         $datarray['postopts']      = $postopts;
601         $datarray['origin']        = $origin;
602         $datarray['moderated']     = false;
603         $datarray['object']        = $object;
604
605         /*
606          * These fields are for the convenience of addons...
607          * 'self' if true indicates the owner is posting on their own wall
608          * If parent is 0 it is a top-level post.
609          */
610         $datarray['parent']        = $toplevel_item_id;
611         $datarray['self']          = $self;
612
613         // This triggers posts via API and the mirror functions
614         $datarray['api_source'] = $api_source;
615
616         // This field is for storing the raw conversation data
617         $datarray['protocol'] = Conversation::PARCEL_DFRN;
618
619         $conversation = DBA::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $datarray['parent-uri']]);
620         if (DBA::isResult($conversation)) {
621                 if ($conversation['conversation-uri'] != '') {
622                         $datarray['conversation-uri'] = $conversation['conversation-uri'];
623                 }
624                 if ($conversation['conversation-href'] != '') {
625                         $datarray['conversation-href'] = $conversation['conversation-href'];
626                 }
627         }
628
629         if ($orig_post) {
630                 $datarray['edit'] = true;
631         } else {
632                 // If this was a share, add missing data here
633                 $datarray = Item::addShareDataFromOriginal($datarray);
634
635                 $datarray['edit'] = false;
636         }
637
638         // Check for hashtags in the body and repair or add hashtag links
639         if ($preview || $orig_post) {
640                 $datarray['body'] = Item::setHashtags($datarray['body']);
641         }
642
643         // preview mode - prepare the body for display and send it via json
644         if ($preview) {
645                 // We set the datarray ID to -1 because in preview mode the dataray
646                 // doesn't have an ID.
647                 $datarray["id"] = -1;
648                 $datarray["uri-id"] = -1;
649                 $datarray["item_id"] = -1;
650                 $datarray["author-network"] = Protocol::DFRN;
651
652                 $o = conversation($a, [array_merge($contact_record, $datarray)], 'search', false, true);
653
654                 System::jsonExit(['preview' => $o]);
655         }
656
657         Hook::callAll('post_local',$datarray);
658
659         if (!empty($datarray['cancel'])) {
660                 Logger::info('mod_item: post cancelled by addon.');
661                 if ($return_path) {
662                         DI::baseUrl()->redirect($return_path);
663                 }
664
665                 $json = ['cancel' => 1];
666                 if (!empty($_REQUEST['jsreload'])) {
667                         $json['reload'] = DI::baseUrl() . '/' . $_REQUEST['jsreload'];
668                 }
669
670                 System::jsonExit($json);
671         }
672
673         if ($orig_post) {
674                 // Fill the cache field
675                 // This could be done in Item::update as well - but we have to check for the existance of some fields.
676                 Item::putInCache($datarray);
677
678                 $fields = [
679                         'title' => $datarray['title'],
680                         'body' => $datarray['body'],
681                         'attach' => $datarray['attach'],
682                         'file' => $datarray['file'],
683                         'rendered-html' => $datarray['rendered-html'],
684                         'rendered-hash' => $datarray['rendered-hash'],
685                         'edited' => DateTimeFormat::utcNow(),
686                         'changed' => DateTimeFormat::utcNow()];
687
688                 Item::update($fields, ['id' => $post_id]);
689
690                 // update filetags in pconfig
691                 FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
692
693                 info(DI::l10n()->t('Post updated.'));
694                 if ($return_path) {
695                         DI::baseUrl()->redirect($return_path);
696                 }
697
698                 throw new HTTPException\OKException(DI::l10n()->t('Post updated.'));
699         }
700
701         unset($datarray['edit']);
702         unset($datarray['self']);
703         unset($datarray['api_source']);
704
705         if ($origin) {
706                 $signed = Diaspora::createCommentSignature($uid, $datarray);
707                 if (!empty($signed)) {
708                         $datarray['diaspora_signed_text'] = json_encode($signed);
709                 }
710         }
711
712         $post_id = Item::insert($datarray);
713
714         if (!$post_id) {
715                 info(DI::l10n()->t('Item wasn\'t stored.'));
716                 if ($return_path) {
717                         DI::baseUrl()->redirect($return_path);
718                 }
719
720                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item wasn\'t stored.'));
721         }
722
723         $datarray = Item::selectFirst(Item::ITEM_FIELDLIST, ['id' => $post_id]);
724
725         if (!DBA::isResult($datarray)) {
726                 Logger::error('Item couldn\'t be fetched.', ['post_id' => $post_id]);
727                 if ($return_path) {
728                         DI::baseUrl()->redirect($return_path);
729                 }
730
731                 throw new HTTPException\InternalServerErrorException(DI::l10n()->t('Item couldn\'t be fetched.'));
732         }
733
734         Tag::storeFromBody($datarray['uri-id'], $datarray['body']);
735
736         if (!\Friendica\Content\Feature::isEnabled($uid, 'explicit_mentions') && ($datarray['gravity'] == GRAVITY_COMMENT)) {
737                 Tag::createImplicitMentions($datarray['uri-id'], $datarray['thr-parent-id']);
738         }
739
740         // update filetags in pconfig
741         FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
742
743         // These notifications are sent if someone else is commenting other your wall
744         if ($toplevel_item_id) {
745                 if ($contact_record != $author) {
746                         notification([
747                                 'type'         => Type::COMMENT,
748                                 'notify_flags' => $user['notify-flags'],
749                                 'language'     => $user['language'],
750                                 'to_name'      => $user['username'],
751                                 'to_email'     => $user['email'],
752                                 'uid'          => $user['uid'],
753                                 'item'         => $datarray,
754                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
755                                 'source_name'  => $datarray['author-name'],
756                                 'source_link'  => $datarray['author-link'],
757                                 'source_photo' => $datarray['author-avatar'],
758                                 'verb'         => Activity::POST,
759                                 'otype'        => 'item',
760                                 'parent'       => $toplevel_item_id,
761                                 'parent_uri'   => $toplevel_item['uri']
762                         ]);
763                 }
764         } else {
765                 if (($contact_record != $author) && !count($forum_contact)) {
766                         notification([
767                                 'type'         => Type::WALL,
768                                 'notify_flags' => $user['notify-flags'],
769                                 'language'     => $user['language'],
770                                 'to_name'      => $user['username'],
771                                 'to_email'     => $user['email'],
772                                 'uid'          => $user['uid'],
773                                 'item'         => $datarray,
774                                 'link'         => DI::baseUrl().'/display/'.urlencode($datarray['guid']),
775                                 'source_name'  => $datarray['author-name'],
776                                 'source_link'  => $datarray['author-link'],
777                                 'source_photo' => $datarray['author-avatar'],
778                                 'verb'         => Activity::POST,
779                                 'otype'        => 'item'
780                         ]);
781                 }
782         }
783
784         Hook::callAll('post_local_end', $datarray);
785
786         if (strlen($emailcc) && $profile_uid == local_user()) {
787                 $recipients = explode(',', $emailcc);
788                 if (count($recipients)) {
789                         foreach ($recipients as $recipient) {
790                                 $address = trim($recipient);
791                                 if (!strlen($address)) {
792                                         continue;
793                                 }
794                                 DI::emailer()->send(new ItemCCEMail(DI::app(), DI::l10n(), DI::baseUrl(),
795                                         $datarray, $address, $author['thumb'] ?? ''));
796                         }
797                 }
798         }
799
800         // Insert an item entry for UID=0 for global entries.
801         // We now do it in the background to save some time.
802         // This is important in interactive environments like the frontend or the API.
803         // We don't fork a new process since this is done anyway with the following command
804         Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "CreateShadowEntry", $post_id);
805
806         // When we are doing some forum posting via ! we have to start the notifier manually.
807         // These kind of posts don't initiate the notifier call in the item class.
808         if ($only_to_forum) {
809                 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => false], "Notifier", Delivery::POST, $post_id);
810         }
811
812         Logger::info('post_complete');
813
814         if ($api_source) {
815                 return $post_id;
816         }
817
818         info(DI::l10n()->t('Post published.'));
819         item_post_return(DI::baseUrl(), $api_source, $return_path);
820         // NOTREACHED
821 }
822
823 function item_post_return($baseurl, $api_source, $return_path)
824 {
825         if ($api_source) {
826                 return;
827         }
828
829         if ($return_path) {
830                 DI::baseUrl()->redirect($return_path);
831         }
832
833         $json = ['success' => 1];
834         if (!empty($_REQUEST['jsreload'])) {
835                 $json['reload'] = $baseurl . '/' . $_REQUEST['jsreload'];
836         }
837
838         Logger::info('post_json', ['json' => $json]);
839
840         System::jsonExit($json);
841 }
842
843 function item_content(App $a)
844 {
845         if (!Session::isAuthenticated()) {
846                 return;
847         }
848
849         $o = '';
850
851         if (($a->argc >= 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
852                 if (DI::mode()->isAjax()) {
853                         $o = Item::deleteForUser(['id' => $a->argv[2]], local_user());
854                 } else {
855                         if (!empty($a->argv[3])) {
856                                 $o = drop_item($a->argv[2], $a->argv[3]);
857                         }
858                         else {
859                                 $o = drop_item($a->argv[2]);
860                         }
861                 }
862
863                 if (DI::mode()->isAjax()) {
864                         // ajax return: [<item id>, 0 (no perm) | <owner id>]
865                         System::jsonExit([intval($a->argv[2]), intval($o)]);
866                 }
867         }
868
869         return $o;
870 }