3 * @copyright Copyright (C) 2010-2023, the Friendica project
5 * @license GNU AGPL version 3 or any later version
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.
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.
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/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\System;
31 use Friendica\Core\Worker;
32 use Friendica\Database\DBA;
34 use Friendica\Protocol\Activity;
35 use Friendica\Protocol\ActivityPub;
36 use Friendica\Protocol\Delivery;
37 use Friendica\Protocol\Diaspora;
38 use Friendica\Util\DateTimeFormat;
39 use Friendica\Util\Map;
40 use Friendica\Util\Network;
41 use Friendica\Util\Proxy;
42 use Friendica\Util\Strings;
43 use Friendica\Util\Temporal;
44 use GuzzleHttp\Psr7\Uri;
45 use LanguageDetection\Language;
49 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
56 const PT_DOCUMENT = 19;
59 const PT_PERSONAL_NOTE = 128;
61 // Posting reasons (Why had a post been stored for a user?)
68 const PR_FOLLOWER = 69;
69 const PR_ANNOUNCEMENT = 70;
70 const PR_COMMENT = 71;
74 const PR_FETCHED = 75;
75 const PR_COMPLETION = 76;
77 const PR_ACTIVITY = 78;
78 const PR_DISTRIBUTE = 79;
82 // system.accept_only_sharer setting values
83 const COMPLETION_NONE = 1;
84 const COMPLETION_COMMENT = 0;
85 const COMPLETION_LIKE = 2;
87 // Field list that is used to display the items
88 const DISPLAY_FIELDLIST = [
89 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
90 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri', 'conversation',
91 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
92 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
93 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
94 'quote-uri', 'quote-uri-id', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
95 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-addr', 'author-uri-id',
96 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated',
97 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
98 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
99 'writable', 'self', 'cid', 'alias',
100 'event-created', 'event-edited', 'event-start', 'event-finish',
101 'event-summary', 'event-desc', 'event-location', 'event-type',
102 'event-nofinish', 'event-ignore', 'event-id',
103 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
104 'has-categories', 'has-media',
105 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
108 // Field list that is used to deliver items via the protocols
109 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
110 'parent-guid', 'conversation', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
111 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
112 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
113 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
114 'author-id', 'author-addr', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
115 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
116 'thr-parent-id', 'parent-uri-id', 'quote-uri', 'quote-uri-id', 'postopts', 'pubmail',
117 'event-created', 'event-edited', 'event-start', 'event-finish',
118 'event-summary', 'event-desc', 'event-location', 'event-type',
119 'event-nofinish', 'event-ignore', 'event-id'];
121 // All fields in the item table
122 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
123 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'conversation', 'vid',
124 'quote-uri', 'quote-uri-id', 'contact-id', 'wall', 'gravity', 'extid', 'psid',
125 'created', 'edited', 'commented', 'received', 'changed', 'verb',
126 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
127 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
128 'private', 'pubmail', 'visible', 'starred',
129 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
130 'title', 'content-warning', 'body', 'location', 'coord', 'app',
131 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
132 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
133 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
135 // List of all verbs that don't need additional content data.
136 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
138 Activity::LIKE, Activity::DISLIKE,
139 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
148 // Item weight for query ordering
149 const GRAVITY_PARENT = 0;
150 const GRAVITY_ACTIVITY = 3;
151 const GRAVITY_COMMENT = 6;
152 const GRAVITY_UNKNOWN = 9;
155 * Update existing item entries
157 * @param array $fields The fields that are to be changed
158 * @param array $condition The condition for finding the item entries
160 * In the future we may have to change permissions as well.
161 * Then we had to add the user id as third parameter.
163 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
165 * @return integer|boolean number of affected rows - or "false" if there was an error
166 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
168 public static function update(array $fields, array $condition)
170 if (empty($condition) || empty($fields)) {
174 if (isset($fields['extid'])) {
175 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
178 if (!empty($fields['verb'])) {
179 $fields['vid'] = Verb::getID($fields['verb']);
182 if (!empty($fields['edited'])) {
183 $previous = Post::selectFirst(['edited'], $condition);
186 $rows = Post::update($fields, $condition);
187 if (is_bool($rows)) {
191 // We only need to call the line by line update for specific fields
192 if (empty($fields['body']) && empty($fields['file']) &&
193 empty($fields['attach']) && empty($fields['edited'])) {
197 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
199 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network', 'quote-uri-id'], $condition);
203 while ($item = DBA::fetch($items)) {
204 if (!empty($fields['body'])) {
205 if (!empty($item['quote-uri-id'])) {
206 $fields['body'] = BBCode::removeSharedData($fields['body']);
208 if (!empty($fields['raw-body'])) {
209 $fields['raw-body'] = BBCode::removeSharedData($fields['raw-body']);
213 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
215 // Remove all media attachments from the body and store them in the post-media table
216 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
217 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
218 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
220 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body'], $fields['body'], $item['author-network']);
222 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
223 $content_fields['raw-body'] = BBCode::removeAttachment($content_fields['raw-body']);
225 Post\Content::update($item['uri-id'], $content_fields);
228 if (!empty($fields['file'])) {
229 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
232 if (!empty($fields['attach'])) {
233 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
236 // We only need to notify others when it is an original entry from us.
237 // Only call the notifier when the item had been edited and records had been changed.
238 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
239 $notify_items[] = $item['id'];
245 foreach ($notify_items as $notify_item) {
246 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
247 Worker::add(Worker::PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
254 * Delete an item and notify others about it - if it was ours
256 * @param array $condition The condition for finding the item entries
257 * @param integer $priority Priority for the notification
259 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
261 public static function markForDeletion(array $condition, int $priority = Worker::PRIORITY_HIGH)
263 $items = Post::select(['id'], $condition);
264 while ($item = Post::fetch($items)) {
265 self::markForDeletionById($item['id'], $priority);
271 * Delete an item for an user and notify others about it - if it was ours
273 * @param array $condition The condition for finding the item entries
274 * @param integer $uid User who wants to delete this item
276 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
278 public static function deleteForUser(array $condition, int $uid)
284 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
285 while ($item = Post::fetch($items)) {
286 if (in_array($item['uid'], [$uid, 0])) {
287 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
288 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
291 if ($item['uid'] == $uid) {
292 self::markForDeletionById($item['id'], Worker::PRIORITY_HIGH);
293 } elseif ($item['uid'] != 0) {
294 Logger::warning('Wrong ownership. Not deleting item', ['id' => $item['id']]);
301 * Mark an item for deletion, delete related data and notify others about it - if it was ours
303 * @param integer $item_id
304 * @param integer $priority Priority for the notification
305 * @return boolean success
306 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
308 public static function markForDeletionById(int $item_id, int $priority = Worker::PRIORITY_HIGH): bool
310 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
311 // locate item to be deleted
312 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
313 'deleted', 'resource-id', 'event-id',
314 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
315 $item = Post::selectFirst($fields, ['id' => $item_id]);
316 if (!DBA::isResult($item)) {
317 Logger::info('Item not found.', ['id' => $item_id]);
321 if ($item['deleted']) {
322 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
326 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
327 if (!DBA::isResult($parent)) {
328 $parent = ['origin' => false];
331 // clean up categories and tags so they don't end up as orphans
332 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
335 * If item is a link to a photo resource, nuke all the associated photos
336 * (visitors will not have photo resources)
337 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
338 * generate a resource-id and therefore aren't intimately linked to the item.
340 /// @TODO: this should first check if photo is used elsewhere
341 if ($item['resource-id']) {
342 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
345 // If item is a link to an event, delete the event.
346 if (intval($item['event-id'])) {
347 Event::delete($item['event-id']);
350 // If item has attachments, drop them
351 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
352 foreach($attachments as $attachment) {
353 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
354 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
358 // Set the item to "deleted"
359 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
360 Post::update($item_fields, ['id' => $item['id']]);
362 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
364 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
365 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
368 Post\DeliveryData::delete($item['uri-id']);
370 // If it's the parent of a comment thread, kill all the kids
371 if ($item['gravity'] == self::GRAVITY_PARENT) {
372 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
375 // Is it our comment and/or our thread?
376 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
377 // When we delete the original post we will delete all existing copies on the server as well
378 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
380 // send the notification upstream/downstream
382 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
384 } elseif ($item['uid'] != 0) {
385 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
386 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
389 DI::notify()->deleteForItem($item['uri-id']);
390 DI::notification()->deleteForItem($item['uri-id']);
392 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
398 * Get guid from given item record
400 * @param array $item Item record
401 * @param bool Whether to notify (?)
402 * @return string Guid
404 public static function guid(array $item, bool $notify): string
406 if (!empty($item['guid'])) {
407 return trim($item['guid']);
411 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
412 // We add the hash of our own host because our host is the original creator of the post.
413 $prefix_host = DI::baseUrl()->getHost();
417 // We are only storing the post so we create a GUID from the original hostname.
418 if (!empty($item['author-link'])) {
419 $parsed = parse_url($item['author-link']);
420 if (!empty($parsed['host'])) {
421 $prefix_host = $parsed['host'];
425 if (empty($prefix_host) && !empty($item['plink'])) {
426 $parsed = parse_url($item['plink']);
427 if (!empty($parsed['host'])) {
428 $prefix_host = $parsed['host'];
432 if (empty($prefix_host) && !empty($item['uri'])) {
433 $parsed = parse_url($item['uri']);
434 if (!empty($parsed['host'])) {
435 $prefix_host = $parsed['host'];
439 // Is it in the format data@host.tld? - Used for mail contacts
440 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
441 $mailparts = explode('@', $item['author-link']);
442 $prefix_host = array_pop($mailparts);
446 if (!empty($item['plink'])) {
447 $guid = self::guidFromUri($item['plink'], $prefix_host);
448 } elseif (!empty($item['uri'])) {
449 $guid = self::guidFromUri($item['uri'], $prefix_host);
451 $guid = System::createUUID(hash('crc32', $prefix_host));
458 * Returns contact id from given item record
460 * @param array $item Item record
461 * @return int Contact id
463 private static function contactId(array $item): int
465 if ($item['uid'] == 0) {
466 return $item['author-id'];
469 if ($item['origin']) {
470 $owner = User::getOwnerDataById($item['uid']);
474 if (!empty($item['causer-id']) && Contact::isSharing($item['causer-id'], $item['uid'], true)) {
475 $cdata = Contact::getPublicAndUserContactID($item['causer-id'], $item['uid']);
476 if (!empty($cdata['user'])) {
477 return $cdata['user'];
481 if ($item['gravity'] == self::GRAVITY_PARENT) {
482 if (Contact::isSharingByURL($item['owner-link'], $item['uid'], true)) {
483 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
485 $contact_id = Contact::getIdForURL($item['owner-link']);
487 if (!empty($contact_id)) {
492 if (Contact::isSharingByURL($item['author-link'], $item['uid'], true)) {
493 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
495 $contact_id = Contact::getIdForURL($item['author-link']);
498 if (!empty($contact_id)) {
502 Logger::warning('contact-id could not be fetched, using self contact instead.', ['uid' => $item['uid'], 'item' => $item]);
503 $self = Contact::selectFirst(['id'], ['self' => true, 'uid' => $item['uid']]);
508 * Write an item array into a spool file to be inserted later.
509 * This command is called whenever there are issues storing an item.
511 * @param array $item The item fields that are to be inserted
514 private static function spool(array $item)
516 // Now we store the data in the spool directory
517 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
518 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
520 $spoolpath = System::getSpoolPath();
521 if ($spoolpath != '') {
522 $spool = $spoolpath . '/' . $file;
524 file_put_contents($spool, json_encode($item));
525 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
530 * Check if the item array is a duplicate
532 * @param array $item Item record
533 * @return boolean is it a duplicate?
535 private static function isDuplicate(array $item): bool
537 // Checking if there is already an item with the same guid
538 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
539 if (Post::exists($condition)) {
540 Logger::notice('Found already existing item', $condition);
544 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
545 'network' => [$item['network'], Protocol::DFRN]];
546 if (Post::exists($condition)) {
547 Logger::notice('duplicated item with the same uri found.', $condition);
551 // On Friendica and Diaspora the GUID is unique
552 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
553 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
554 if (Post::exists($condition)) {
555 Logger::notice('duplicated item with the same guid found.', $condition);
558 } elseif ($item['network'] == Protocol::OSTATUS) {
559 // Check for an existing post with the same content. There seems to be a problem with OStatus.
560 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
561 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
562 if (Post::exists($condition)) {
563 Logger::notice('duplicated item with the same body found.', $item);
569 * Check for already added items.
570 * There is a timing issue here that sometimes creates double postings.
571 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
573 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
574 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
582 * Check if the item array is valid
584 * @param array $item Item record
585 * @return boolean item is valid
587 public static function isValid(array $item): bool
589 // When there is no content then we don't post it
590 if (($item['body'] . $item['title'] == '') && empty($item['quote-uri-id']) && empty($item['attachments']) && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
591 Logger::notice('No body, no title.');
595 if (!empty($item['uid'])) {
596 $owner = User::getOwnerDataById($item['uid'], false);
598 Logger::warning('Missing item user owner data', ['uid' => $item['uid']]);
602 if ($owner['account_expired'] || $owner['account_removed']) {
603 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
608 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
609 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
613 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
614 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
618 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
619 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
623 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
624 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
628 if ($item['verb'] == Activity::FOLLOW) {
629 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
630 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
631 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
635 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
636 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
637 if (Post::exists($condition)) {
638 // It happens that we receive multiple follow requests by the same author - we only store one.
639 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
648 * Check if the item array is too old
650 * @param array $item Item record
651 * @return boolean item is too old
653 public static function isTooOld(array $item): bool
655 // check for create date and expire time
656 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
658 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
659 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
660 $expire_interval = $user['expire'];
663 if (($expire_interval > 0) && !empty($item['created'])) {
664 $expire_date = time() - ($expire_interval * 86400);
665 $created_date = strtotime($item['created']);
666 if ($created_date < $expire_date) {
667 Logger::notice('Item created before expiration interval.', [
668 'created' => date('c', $created_date),
669 'expired' => date('c', $expire_date),
680 * Return the id of the given item array if it has been stored before
682 * @param array $item Item record
683 * @return integer Item id or zero on error
685 private static function getDuplicateID(array $item): int
687 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
688 $condition = ['`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
691 Protocol::ACTIVITYPUB,
696 $existing = Post::selectFirst(['id', 'network'], $condition);
697 if (DBA::isResult($existing)) {
698 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
699 if ($item['uid'] != 0) {
700 Logger::notice('Item already existed for user', [
701 'uri-id' => $item['uri-id'],
702 'uid' => $item['uid'],
703 'network' => $item['network'],
704 'existing_id' => $existing['id'],
705 'existing_network' => $existing['network']
709 return $existing['id'];
716 * Fetch the uri-id of the parent for the given uri-id
718 * @param integer $uriid
721 public static function getParent(int $uriid): int
723 $thread_parent = Post::selectFirstPost(['thr-parent-id', 'gravity'], ['uri-id' => $uriid]);
724 if (empty($thread_parent)) {
728 if ($thread_parent['gravity'] == Item::GRAVITY_PARENT) {
732 return self::getParent($thread_parent['thr-parent-id']);
736 * Fetch top-level parent data for the given item array
739 * @return array item array with parent data
742 private static function getTopLevelParent(array $item): array
744 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
745 'uri-id', 'parent-uri-id',
746 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
747 'wall', 'private', 'origin', 'author-id'];
748 $condition = ['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => $item['uid']];
749 $params = ['order' => ['id' => false]];
750 $parent = Post::selectFirst($fields, $condition, $params);
752 if (!DBA::isResult($parent) && Post::exists(['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => 0])) {
753 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
754 if (!$stored && ($item['thr-parent-id'] != $item['parent-uri-id'])) {
755 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
758 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
759 $parent = Post::selectFirst($fields, $condition, $params);
763 if (!DBA::isResult($parent)) {
764 Logger::notice('item parent was not found - ignoring item', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'callstack' => System::callstack(20)]);
768 if ($parent['uri-id'] == $parent['parent-uri-id']) {
772 $condition = ['uri-id' => $parent['parent-uri-id'],
773 'parent-uri-id' => $parent['parent-uri-id'],
774 'uid' => $parent['uid']];
775 $params = ['order' => ['id' => false]];
776 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
778 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
779 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
780 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
781 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
784 if (!DBA::isResult($toplevel_parent)) {
785 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
789 return $toplevel_parent;
793 * Get the gravity for the given item array
796 * @return integer gravity
798 private static function getGravity(array $item): int
800 $activity = DI::activity();
802 if (isset($item['gravity'])) {
803 return intval($item['gravity']);
804 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
805 return self::GRAVITY_PARENT;
806 } elseif ($activity->match($item['verb'], Activity::POST)) {
807 return self::GRAVITY_COMMENT;
808 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
809 return self::GRAVITY_ACTIVITY;
810 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
811 return self::GRAVITY_ACTIVITY;
814 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
815 return self::GRAVITY_UNKNOWN; // Should not happen
818 private static function prepareOriginPost(array $item): array
820 $item = DI::contentItem()->initializePost($item);
821 $item = DI::contentItem()->finalizePost($item);
827 * Inserts item record
829 * @param array $item Item array to be inserted
830 * @param int $notify Notification (type?)
831 * @param bool $post_local (???)
832 * @return int Zero means error, otherwise primary key (id) is being returned
834 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
838 $priority = Worker::PRIORITY_HIGH;
840 // If it is a posting where users should get notifications, then define it as wall posting
842 $item = self::prepareOriginPost($item);
844 if (is_int($notify) && in_array($notify, Worker::PRIORITIES)) {
848 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
851 $uid = intval($item['uid']);
853 $item['guid'] = self::guid($item, $notify);
854 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['guid']), 0, 255);
857 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
859 // Backward compatibility: parent-uri used to be the direct parent uri.
860 // If it is provided without a thr-parent, it probably is the old behavior.
861 if (empty($item['thr-parent']) || empty($item['parent-uri'])) {
862 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
863 $item['parent-uri'] = $item['thr-parent'];
866 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
867 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
869 // Store conversation data
870 $source = $item['source'] ?? '';
871 unset($item['conversation-uri']);
872 unset($item['conversation-href']);
873 unset($item['source']);
876 * Do we already have this item?
877 * We have to check several networks since Friendica posts could be repeated
878 * via OStatus (maybe Diaspora as well)
880 $duplicate = self::getDuplicateID($item);
885 // Additional duplicate checks
886 /// @todo Check why the first duplication check returns the item number and the second a 0
887 if (self::isDuplicate($item)) {
891 if (!isset($item['post-type'])) {
892 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
895 $defined_permissions = isset($item['allow_cid']) && isset($item['allow_gid']) && isset($item['deny_cid']) && isset($item['deny_gid']) && isset($item['private']);
897 $item['wall'] = intval($item['wall'] ?? 0);
898 $item['extid'] = trim($item['extid'] ?? '');
899 $item['author-name'] = trim($item['author-name'] ?? '');
900 $item['author-link'] = trim($item['author-link'] ?? '');
901 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
902 $item['owner-name'] = trim($item['owner-name'] ?? '');
903 $item['owner-link'] = trim($item['owner-link'] ?? '');
904 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
905 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
906 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
907 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
908 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
909 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
910 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
911 $item['location'] = trim($item['location'] ?? '');
912 $item['coord'] = trim($item['coord'] ?? '');
913 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
914 $item['deleted'] = 0;
915 $item['verb'] = trim($item['verb'] ?? '');
916 $item['object-type'] = trim($item['object-type'] ?? '');
917 $item['object'] = trim($item['object'] ?? '');
918 $item['target-type'] = trim($item['target-type'] ?? '');
919 $item['target'] = trim($item['target'] ?? '');
920 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
921 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
922 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
923 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
924 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
925 $item['private'] = intval($item['private'] ?? self::PUBLIC);
926 $item['body'] = trim($item['body'] ?? '');
927 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
928 $item['app'] = trim($item['app'] ?? '');
929 $item['origin'] = intval($item['origin'] ?? 0);
930 $item['postopts'] = trim($item['postopts'] ?? '');
931 $item['resource-id'] = trim($item['resource-id'] ?? '');
932 $item['event-id'] = intval($item['event-id'] ?? 0);
933 $item['inform'] = trim($item['inform'] ?? '');
934 $item['file'] = trim($item['file'] ?? '');
936 // Communities aren't working with the Diaspora protocol
937 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
938 $user = User::getById($uid, ['account-type']);
939 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
940 Logger::info('Community posts are not supported via Diaspora');
945 // Items cannot be stored before they happen ...
946 if ($item['created'] > DateTimeFormat::utcNow()) {
947 $item['created'] = DateTimeFormat::utcNow();
950 // We haven't invented time travel by now.
951 if ($item['edited'] > DateTimeFormat::utcNow()) {
952 $item['edited'] = DateTimeFormat::utcNow();
955 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
957 $item['gravity'] = self::getGravity($item);
959 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
960 'photo' => $item['author-avatar'], 'network' => $item['network']];
961 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
963 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
964 'photo' => $item['owner-avatar'], 'network' => $item['network']];
965 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
967 $item['post-reason'] = self::getPostReason($item);
969 // Ensure that there is an avatar cache
970 Contact::checkAvatarCache($item['author-id']);
971 Contact::checkAvatarCache($item['owner-id']);
973 $item['contact-id'] = self::contactId($item);
975 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
976 empty($item['origin']) && self::isTooOld($item)) {
977 Logger::info('Item is too old', ['item' => $item]);
981 if (!self::isValid($item)) {
985 if ($item['gravity'] !== self::GRAVITY_PARENT) {
986 $toplevel_parent = self::getTopLevelParent($item);
987 if (empty($toplevel_parent)) {
991 $parent_id = $toplevel_parent['id'];
992 $item['parent-uri'] = $toplevel_parent['uri'];
993 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
994 $item['deleted'] = $toplevel_parent['deleted'];
995 $item['wall'] = $toplevel_parent['wall'];
997 // Reshares have to keep their permissions to allow forums to work
998 if (!$defined_permissions && (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE))) {
999 $item['allow_cid'] = $toplevel_parent['allow_cid'];
1000 $item['allow_gid'] = $toplevel_parent['allow_gid'];
1001 $item['deny_cid'] = $toplevel_parent['deny_cid'];
1002 $item['deny_gid'] = $toplevel_parent['deny_gid'];
1005 $parent_origin = $toplevel_parent['origin'];
1007 // Don't federate received participation messages
1008 if ($item['verb'] != Activity::FOLLOW) {
1009 $item['wall'] = $toplevel_parent['wall'];
1011 $item['wall'] = false;
1012 // Participations are technical messages, so they are set to "seen" automatically
1013 $item['unseen'] = false;
1017 * If the parent is private, force privacy for the entire conversation
1018 * This differs from the above settings as it subtly allows comments from
1019 * email correspondents to be private even if the overall thread is not.
1021 if (!$defined_permissions && $toplevel_parent['private']) {
1022 $item['private'] = $toplevel_parent['private'];
1025 // If its a post that originated here then tag the thread as "mention"
1026 if ($item['origin'] && $item['uid']) {
1027 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1028 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1031 // Update the contact relations
1032 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1035 $parent_origin = $item['origin'];
1037 if ($item['wall'] && empty($item['conversation'])) {
1038 $item['conversation'] = $item['parent-uri'] . '#context';
1042 if ($item['origin']) {
1043 if (Photo::setPermissionFromBody($item['body'], $item['uid'], $item['contact-id'], $item['allow_cid'], $item['allow_gid'], $item['deny_cid'], $item['deny_gid'])) {
1044 $item['object-type'] = Activity\ObjectType::IMAGE;
1047 $item = DI::contentItem()->moveAttachmentsFromBodyToAttach($item);
1050 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1051 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1053 if (!empty($item['conversation']) && empty($item['conversation-id'])) {
1054 $item['conversation-id'] = ItemURI::getIdByURI($item['conversation']);
1057 // Is this item available in the global items (with uid=0)?
1058 if ($item['uid'] == 0) {
1059 $item['global'] = true;
1061 // Set the global flag on all items if this was a global item entry
1062 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
1064 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
1068 if (!$defined_permissions && !empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
1069 $item['private'] = self::PRIVATE;
1072 if ($notify && $post_local) {
1073 $item['edit'] = false;
1074 $item['parent'] = $parent_id;
1076 // Trigger automatic reactions for addons
1077 if (!isset($item['api_source'])) {
1078 $item['api_source'] = true;
1081 // We have to tell the hooks who we are - this really should be improved
1082 if (!DI::userSession()->getLocalUserId()) {
1083 $_SESSION['authenticated'] = true;
1084 $_SESSION['uid'] = $uid;
1085 $dummy_session = true;
1087 $dummy_session = false;
1090 Hook::callAll('post_local', $item);
1092 if ($dummy_session) {
1093 unset($_SESSION['authenticated']);
1094 unset($_SESSION['uid']);
1096 } elseif (!$notify) {
1097 Hook::callAll('post_remote', $item);
1100 if (!empty($item['cancel'])) {
1101 Logger::notice('post cancelled by addon.');
1105 if (empty($item['vid']) && !empty($item['verb'])) {
1106 $item['vid'] = Verb::getID($item['verb']);
1109 // Creates or assigns the permission set
1110 $item['psid'] = DI::permissionSet()->selectOrCreate(
1111 DI::permissionSetFactory()->createFromString(
1119 if (!empty($item['extid'])) {
1120 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1123 if ($item['verb'] == Activity::ANNOUNCE) {
1124 self::setOwnerforResharedItem($item);
1127 if (isset($item['attachments'])) {
1128 foreach ($item['attachments'] as $attachment) {
1129 $attachment['uri-id'] = $item['uri-id'];
1130 Post\Media::insert($attachment);
1132 unset($item['attachments']);
1135 if (empty($item['quote-uri-id'])) {
1136 $quote_id = self::getQuoteUriId($item['body']);
1137 if (!empty($quote_id)) {
1138 // This is one of these "should not happen" situations.
1139 // The protocol implementations should already have done this job.
1140 Logger::notice('Quote-uri-id detected in post', ['id' => $quote_id, 'guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'callstack' => System::callstack(20)]);
1141 $item['quote-uri-id'] = $quote_id;
1145 if (!empty($item['quote-uri-id'])) {
1146 $item['raw-body'] = BBCode::removeSharedData($item['raw-body']);
1147 $item['body'] = BBCode::removeSharedData($item['body']);
1150 // Remove all media attachments from the body and store them in the post-media table
1151 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1152 $item['raw-body'] = self::setHashtags($item['raw-body']);
1154 $author = Contact::getById($item['author-id'], ['network']);
1155 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body'], $item['body'], $author['network'] ?? '');
1157 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1158 $item['body'] = BBCode::removeAttachment($item['body']);
1159 $item['raw-body'] = BBCode::removeAttachment($item['raw-body']);
1161 // Check for hashtags in the body and repair or add hashtag links
1162 $item['body'] = self::setHashtags($item['body']);
1164 $item['language'] = self::getLanguage($item);
1166 $notify_type = Delivery::POST;
1168 // Filling item related side tables
1169 if (!empty($item['attach'])) {
1170 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1173 if (empty($item['event-id'])) {
1174 unset($item['event-id']);
1176 $ev = Event::fromBBCode($item['body']);
1177 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1178 Logger::info('Event found.');
1179 $ev['cid'] = $item['contact-id'];
1180 $ev['uid'] = $item['uid'];
1181 $ev['uri'] = $item['uri'];
1182 $ev['edited'] = $item['edited'];
1183 $ev['private'] = $item['private'];
1184 $ev['guid'] = $item['guid'];
1185 $ev['plink'] = $item['plink'];
1186 $ev['network'] = $item['network'];
1187 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1188 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1189 $ev['source'] = $item['source'] ?? '';
1191 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1192 if (DBA::isResult($event)) {
1193 $ev['id'] = $event['id'];
1196 $event_id = Event::store($ev);
1197 $item = Event::getItemArrayForImportedId($event_id, $item);
1199 Logger::info('Event was stored', ['id' => $event_id]);
1203 if (empty($item['causer-id'])) {
1204 unset($item['causer-id']);
1207 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1208 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1209 if (!empty($content_warning) && empty($item['content-warning'])) {
1210 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1214 Post::insert($item['uri-id'], $item);
1216 if ($item['gravity'] == self::GRAVITY_PARENT) {
1217 Post\Thread::insert($item['uri-id'], $item);
1220 // The content of activities normally doesn't matter - except for likes from Misskey
1221 if (!in_array($item['verb'], self::ACTIVITIES) || in_array($item['verb'], [Activity::LIKE, Activity::DISLIKE]) && !empty($item['body']) && (mb_strlen($item['body']) == 1)) {
1222 Post\Content::insert($item['uri-id'], $item);
1225 $item['parent'] = $parent_id;
1227 // Create Diaspora signature
1228 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != self::GRAVITY_PARENT)) {
1229 $signed = Diaspora::createCommentSignature($item);
1230 if (!empty($signed)) {
1231 $item['diaspora_signed_text'] = json_encode($signed);
1235 if (!empty($item['diaspora_signed_text'])) {
1236 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1239 // Attached file links
1240 if (!empty($item['file'])) {
1241 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1244 // Delivery relevant data
1245 $delivery_data = Post\DeliveryData::extractFields($item);
1247 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1248 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1251 // Store tags from the body if this hadn't been handled previously in the protocol classes
1252 if (!Tag::existsForPost($item['uri-id'])) {
1253 Tag::storeFromBody($item['uri-id'], $item['body']);
1256 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1257 if (Post::exists($condition)) {
1258 Logger::notice('Item is already inserted - aborting', $condition);
1262 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1263 if (!$post_user_id) {
1264 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1268 if ($item['gravity'] == self::GRAVITY_PARENT) {
1269 $item['post-user-id'] = $post_user_id;
1270 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1273 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1275 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1276 if (!DBA::isResult($posted_item)) {
1277 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1278 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1279 self::spool($orig_item);
1283 // update the commented timestamp on the parent
1284 if (DI::config()->get('system', 'like_no_comment')) {
1285 // Update when it is a comment
1286 $update_commented = in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]);
1288 // Update when it isn't a follow or tag verb
1289 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1292 if ($update_commented) {
1293 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1295 $fields = ['changed' => DateTimeFormat::utcNow()];
1298 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1300 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1301 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1302 // Get the user information for the logging
1303 $user = User::getById($uid);
1305 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1310 DI::contentItem()->postProcessPost($posted_item);
1312 Hook::callAll('post_remote_end', $posted_item);
1315 if ($posted_item['gravity'] === self::GRAVITY_PARENT) {
1316 self::addShadow($post_user_id);
1318 self::addShadowPost($post_user_id);
1321 self::updateContact($posted_item);
1323 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1325 // Distribute items to users who subscribed to their tags
1326 self::distributeByTags($posted_item);
1328 // Automatically reshare the item if the "remote_self" option is selected
1329 self::autoReshare($posted_item);
1331 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1334 if ($posted_item['uid'] && Contact\User::isBlocked($posted_item['author-id'], $posted_item['uid'])) {
1335 Logger::info('Message from blocked author will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['author-id']]);
1338 if ($transmit && $posted_item['uid'] && Contact\User::isBlocked($posted_item['owner-id'], $posted_item['uid'])) {
1339 Logger::info('Message from blocked owner will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['owner-id']]);
1342 if ($transmit && !empty($posted_item['causer-id']) && $posted_item['uid'] && Contact\User::isBlocked($posted_item['causer-id'], $posted_item['uid'])) {
1343 Logger::info('Message from blocked causer will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['causer-id']]);
1347 // Don't relay participation messages
1348 if (($posted_item['verb'] == Activity::FOLLOW) &&
1349 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1350 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1355 if (!empty($source) && ($transmit || DI::config()->get('debug', 'store_source'))) {
1356 Post\Activity::insert($item['uri-id'], $source);
1360 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1363 // Fill the cache with the rendered content.
1364 if (in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1365 self::updateDisplayCache($posted_item['uri-id']);
1368 return $post_user_id;
1372 * Fetch the post reason for a given item array
1374 * @param array $item
1378 public static function getPostReason(array $item): int
1380 $actor = ($item['gravity'] == self::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1381 if (empty($item['origin']) && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1382 return self::PR_FOLLOWER;
1385 if (!empty($item['origin']) && empty($item['post-reason'])) {
1386 return self::PR_LOCAL;
1389 return $item['post-reason'] ?? self::PR_NONE;
1393 * Update the display cache
1395 * @param integer $uri_id
1398 public static function updateDisplayCache(int $uri_id)
1400 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1401 self::prepareBody($item, false, false, true);
1405 * Change the owner of a parent item if it had been shared by a forum
1407 * (public) forum posts in the new format consist of the regular post by the author
1408 * followed by an announce message sent from the forum account.
1409 * Changing the owner helps in grouping forum posts.
1411 * @param array $item
1414 private static function setOwnerforResharedItem(array $item)
1416 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1417 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1418 if (!DBA::isResult($parent)) {
1419 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1423 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1424 if (!DBA::isResult($author)) {
1425 Logger::error('Author not found', ['id' => $item['author-id']]);
1429 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1430 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1432 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1433 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1434 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1438 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1439 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1440 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1444 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1445 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1450 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1451 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1455 * Distribute the given item to users who subscribed to their tags
1457 * @param array $item Processed item
1459 private static function distributeByTags(array $item)
1461 if (($item['uid'] != 0) || ($item['gravity'] != self::GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1465 $uids = Tag::getUIDListByURIId($item['uri-id']);
1466 foreach ($uids as $uid) {
1467 $stored = self::storeForUserByUriId($item['uri-id'], $uid, ['post-reason' => self::PR_TAG]);
1468 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1473 * Distributes public items to the receivers
1475 * @param integer $itemid Item ID that should be added
1476 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1477 * @throws \Exception
1479 public static function distribute(int $itemid, string $signed_text = '')
1481 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1482 $parent = Post::selectFirst(['owner-id'], $condition);
1483 if (!DBA::isResult($parent)) {
1484 Logger::warning('Item not found', ['condition' => $condition]);
1488 // Only distribute public items from native networks
1489 $condition = ['id' => $itemid, 'uid' => 0,
1490 'network' => array_merge(Protocol::FEDERATED ,['']),
1491 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1492 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), $condition);
1493 if (!DBA::isResult($item)) {
1494 Logger::warning('Item not found', ['condition' => $condition]);
1498 $origin = $item['origin'];
1502 /// @todo add a field "pcid" in the contact table that refers to the public contact id.
1503 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1504 if (!DBA::isResult($owner)) {
1508 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1509 $contacts = DBA::select('contact', ['uid'], $condition);
1510 while ($contact = DBA::fetch($contacts)) {
1511 if ($contact['uid'] == 0) {
1515 $users[$contact['uid']] = $contact['uid'];
1517 DBA::close($contacts);
1519 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1520 $contacts = DBA::select('contact', ['uid'], $condition);
1521 while ($contact = DBA::fetch($contacts)) {
1522 if ($contact['uid'] == 0) {
1526 $users[$contact['uid']] = $contact['uid'];
1528 DBA::close($contacts);
1530 if (!empty($owner['alias'])) {
1531 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1532 $contacts = DBA::select('contact', ['uid'], $condition);
1533 while ($contact = DBA::fetch($contacts)) {
1534 if ($contact['uid'] == 0) {
1538 $users[$contact['uid']] = $contact['uid'];
1540 DBA::close($contacts);
1545 if ($item['uri-id'] != $item['parent-uri-id']) {
1546 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1547 while ($parent = Post::fetch($parents)) {
1548 $users[$parent['uid']] = $parent['uid'];
1549 if ($parent['origin'] && !$origin) {
1550 $origin_uid = $parent['uid'];
1553 DBA::close($parents);
1556 foreach ($users as $uid) {
1557 if ($origin_uid == $uid) {
1558 $item['diaspora_signed_text'] = $signed_text;
1560 $item['post-reason'] = self::PR_DISTRIBUTE;
1561 self::storeForUser($item, $uid);
1566 * Store a public item defined by their URI-ID for the given users
1568 * @param integer $uri_id URI-ID of the given item
1569 * @param integer $uid The user that will receive the item entry
1570 * @param array $fields Additional fields to be stored
1571 * @param integer $source_uid User id of the source post
1572 * @return integer stored item id
1574 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1576 if ($uid == $source_uid) {
1577 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1581 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['uri-id' => $uri_id, 'uid' => $source_uid]);
1582 if (!DBA::isResult($item)) {
1583 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1587 if (($uid != 0) && ($item['gravity'] == self::GRAVITY_PARENT)) {
1588 $owner = User::getOwnerDataById($uid);
1589 if (($owner['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && !Tag::isMentioned($uri_id, $owner['url'])) {
1590 Logger::info('Target user is a forum but is not mentioned here, thread will not be stored', ['uid' => $uid, 'uri-id' => $uri_id]);
1595 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1596 Logger::notice('Item is private or not from a federated network. It will not be stored for the user.', ['uri-id' => $uri_id, 'uid' => $uid, 'private' => $item['private'], 'network' => $item['network']]);
1600 $item['post-reason'] = self::PR_STORED;
1602 $item = array_merge($item, $fields);
1604 if (($uid != 0) && Contact::isSharing(($item['gravity'] == Item::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'], $uid)) {
1605 $item['post-reason'] = self::PR_FOLLOWER;
1608 $is_reshare = ($item['gravity'] == self::GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1610 if (($uid != 0) && (($item['gravity'] == self::GRAVITY_PARENT) || $is_reshare) &&
1611 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1612 !in_array($item['post-reason'], [self::PR_FOLLOWER, self::PR_TAG, self::PR_TO, self::PR_CC, self::PR_ACTIVITY])) {
1613 Logger::info('Contact is not a follower, thread will not be stored', ['author' => $item['author-link'], 'uid' => $uid, 'uri-id' => $uri_id, 'post-reason' => $item['post-reason']]);
1617 $causer = $item['causer-id'] ?: $item['author-id'];
1619 if (($uri_id != $item['parent-uri-id']) && ($item['gravity'] == self::GRAVITY_COMMENT) && !Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
1620 if (!self::fetchParent($item['parent-uri-id'], $uid, $causer)) {
1621 Logger::info('Parent post had not been added', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1624 Logger::info('Fetched parent post', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1625 } elseif (($uri_id != $item['thr-parent-id']) && $is_reshare && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1626 if (!self::fetchParent($item['thr-parent-id'], $uid, $causer)) {
1627 Logger::info('Thread parent had not been added', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1630 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1633 $stored = self::storeForUser($item, $uid);
1634 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'causer' => $causer, 'source-uid' => $source_uid, 'stored' => $stored]);
1639 * Fetch the parent with the given uri-id
1641 * @param integer $uri_id
1642 * @param integer $uid
1643 * @param integer $causer
1647 private static function fetchParent(int $uri_id, int $uid, int $causer): int
1649 // Fetch the origin user for the post
1650 $origin_uid = self::GetOriginUidForUriId($uri_id, $uid);
1651 if (is_null($origin_uid)) {
1652 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $uri_id]);
1656 return self::storeForUserByUriId($uri_id, $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1660 * Returns the origin uid of a post if the given user is allowed to see it.
1666 private static function GetOriginUidForUriId(int $uriid, int $uid)
1668 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1672 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1673 if (!empty($post)) {
1674 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1675 return $post['uid'];
1678 $pcid = Contact::getPublicIdByUserId($uid);
1683 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1684 if ($receiver == $pcid) {
1685 return $post['uid'];
1692 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1696 // When the post belongs to a a forum then all forum users are allowed to access it
1697 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1698 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1699 $target_uid = User::getIdForURL($tag['url']);
1700 if (!empty($target_uid)) {
1710 * Store a public item array for the given users
1712 * @param array $item The item entry that will be stored
1713 * @param integer $uid The user that will receive the item entry
1714 * @return integer stored item id
1715 * @throws \Exception
1717 private static function storeForUser(array $item, int $uid): int
1719 $post = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1720 if (!empty($post['id'])) {
1721 if (!empty($item['event-id'])) {
1722 $event_post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1723 if (!empty($event_post['event-id'])) {
1724 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish'], ['id' => $item['event-id']]);
1725 if (!empty($event)) {
1726 // We aren't using "Event::store" here, since we don't want to trigger any further action
1727 $ret = DBA::update('event', $event, ['id' => $event_post['event-id']]);
1728 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $event_post['event-id'], 'ret' => $ret]);
1732 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'id' => $post['id']]);
1736 // Data from the "post-user" table
1738 unset($item['mention']);
1739 unset($item['starred']);
1740 unset($item['unseen']);
1741 unset($item['psid']);
1742 unset($item['pinned']);
1743 unset($item['ignored']);
1744 unset($item['pubmail']);
1745 unset($item['event-id']);
1746 unset($item['hidden']);
1747 unset($item['notification-type']);
1749 // Data from the "post-delivery-data" table
1750 unset($item['postopts']);
1751 unset($item['inform']);
1753 $item['uid'] = $uid;
1754 $item['origin'] = 0;
1758 if ($item['gravity'] == self::GRAVITY_PARENT) {
1759 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1760 if (DBA::isResult($contact)) {
1761 $notify = self::isRemoteSelf($contact, $item);
1762 $item['wall'] = (bool)$notify;
1766 $item['contact-id'] = self::contactId($item);
1767 $distributed = self::insert($item, $notify);
1769 if (!$distributed) {
1770 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1772 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1774 return $distributed;
1778 * Add a shadow entry for a given item id that is a thread starter
1780 * We store every public item entry additionally with the user id "0".
1781 * This is used for the community page and for the search.
1782 * It is planned that in the future we will store public item entries only once.
1784 * @param integer $itemid Item ID that should be added
1785 * @throws \Exception
1787 private static function addShadow(int $itemid)
1789 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1790 $condition = ['id' => $itemid, 'gravity' => self::GRAVITY_PARENT];
1791 $item = Post::selectFirst($fields, $condition);
1793 if (!DBA::isResult($item)) {
1797 // is it already a copy?
1798 if (($itemid == 0) || ($item['uid'] == 0)) {
1802 // Is it a visible public post?
1803 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1807 // is it an entry from a connector? Only add an entry for natively connected networks
1808 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1812 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1816 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1818 if (DBA::isResult($item)) {
1819 // Preparing public shadow (removing user specific data)
1822 unset($item['parent']);
1823 unset($item['wall']);
1824 unset($item['mention']);
1825 unset($item['origin']);
1826 unset($item['starred']);
1827 unset($item['postopts']);
1828 unset($item['inform']);
1829 unset($item['post-reason']);
1830 if ($item['uri-id'] == $item['parent-uri-id']) {
1831 $item['contact-id'] = $item['owner-id'];
1833 $item['contact-id'] = $item['author-id'];
1836 $public_shadow = self::insert($item);
1838 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1843 * Add a shadow entry for a given item id that is a comment
1845 * This function does the same like the function above - but for comments
1847 * @param integer $itemid Item ID that should be added
1848 * @throws \Exception
1850 private static function addShadowPost(int $itemid)
1852 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1853 if (!DBA::isResult($item)) {
1857 // Is it a toplevel post?
1858 if ($item['gravity'] == self::GRAVITY_PARENT) {
1859 self::addShadow($itemid);
1863 // Is this a shadow entry?
1864 if ($item['uid'] == 0) {
1868 // Is there a shadow parent?
1869 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1873 // Is there already a shadow entry?
1874 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1878 // Save "origin" and "parent" state
1879 $origin = $item['origin'];
1880 $parent = $item['parent'];
1882 // Preparing public shadow (removing user specific data)
1885 unset($item['parent']);
1886 unset($item['wall']);
1887 unset($item['mention']);
1888 unset($item['origin']);
1889 unset($item['starred']);
1890 unset($item['postopts']);
1891 unset($item['inform']);
1892 unset($item['post-reason']);
1893 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1895 $public_shadow = self::insert($item);
1897 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1899 // If this was a comment to a Diaspora post we don't get our comment back.
1900 // This means that we have to distribute the comment by ourselves.
1901 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1902 self::distribute($public_shadow);
1907 * Adds a language specification in a "language" element of given $arr.
1908 * Expects "body" element to exist in $arr.
1910 * @param array $item
1911 * @return string detected language
1912 * @throws \Text_LanguageDetect_Exception
1914 private static function getLanguage(array $item): string
1916 if (!empty($item['language'])) {
1917 return $item['language'];
1920 if (!in_array($item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) || empty($item['body'])) {
1924 $languages = self::getLanguageArray(trim($item['title'] . "\n" . $item['body']), 3);
1925 if (empty($languages)) {
1929 return json_encode($languages);
1933 * Get a language array from a given text
1935 * @param string $body
1936 * @param integer $count
1939 public static function getLanguageArray(string $body, int $count): array
1941 // Convert attachments to links
1942 $naked_body = BBCode::removeAttachment($body);
1943 if (empty($naked_body)) {
1947 // Remove links and pictures
1948 $naked_body = BBCode::removeLinks($naked_body);
1950 // Convert the title and the body to plain text
1951 $naked_body = BBCode::toPlaintext($naked_body);
1953 // Remove possibly remaining links
1954 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1956 if (empty($naked_body)) {
1960 $naked_body = self::getDominantLanguage($naked_body);
1962 $availableLanguages = DI::l10n()->getAvailableLanguages();
1963 // See https://github.com/friendica/friendica/issues/10511
1964 // Persian is manually added to language detection until a persian translation is provided for the interface, at
1965 // which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
1966 $availableLanguages['fa'] = 'fa';
1968 $ld = new Language(array_keys($availableLanguages));
1969 return $ld->detect($naked_body)->limit(0, $count)->close() ?: [];
1973 * Check if latin or non latin are dominant in the body and only return the dominant one
1975 * @param string $body
1978 private static function getDominantLanguage(string $body): string
1982 for ($i = 0; $i < mb_strlen($body); $i++) {
1983 $character = mb_substr($body, $i, 1);
1984 $ord = mb_ord($character);
1986 // We add the most common characters to both strings.
1987 if (($ord <= 64) || ($ord >= 91 && $ord <= 96) || ($ord >= 123 && $ord <= 191) || in_array($ord, [215, 247]) || ($ord >= 697 && $ord <= 735) || ($ord > 65535)) {
1988 $latin .= $character;
1989 $non_latin .= $character;
1990 } elseif ($ord < 768) {
1991 $latin .= $character;
1993 $non_latin .= $character;
1996 return (mb_strlen($latin) > mb_strlen($non_latin)) ? $latin : $non_latin;
1999 public static function getLanguageMessage(array $item): string
2001 $iso639 = new \Matriphe\ISO639\ISO639;
2003 $used_languages = '';
2004 foreach (json_decode($item['language'], true) as $language => $reliability) {
2005 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
2007 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2008 return $used_languages;
2012 * Creates an unique guid out of a given uri.
2013 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
2014 * Posts that are created on this system are using System::createUUID.
2015 * Received ActivityPub posts are using Processor::getGUIDByURL.
2017 * @param string $uri uri of an item entry
2018 * @param string|null $host hostname for the GUID prefix
2019 * @return string Unique guid
2020 * @throws \Exception
2022 public static function guidFromUri(string $uri, string $host = null): string
2024 // Our regular guid routine is using this kind of prefix as well
2025 // We have to avoid that different routines could accidentally create the same value
2026 $parsed = parse_url($uri);
2028 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2029 unset($parsed['scheme']);
2031 $hostPart = $host ?? $parsed['host'] ?? '';
2033 Logger::warning('Empty host GUID part', ['uri' => $uri, 'host' => $host, 'parsed' => $parsed, 'callstack' => System::callstack(10)]);
2036 // Glue it together to be able to make a hash from it
2037 $host_id = implode('/', $parsed);
2039 // Use a mixture of several hashes to provide some GUID like experience
2040 return hash('crc32', $hostPart) . '-' . hash('joaat', $host_id) . '-' . hash('fnv164', $host_id);
2044 * generate an unique URI
2046 * @param string $guid An existing GUID (Otherwise it will be generated)
2049 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2051 public static function newURI(string $guid = ''): string
2054 $guid = System::createUUID();
2057 return DI::baseUrl() . '/objects/' . $guid;
2061 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2063 * This can be used to filter for inactive contacts.
2064 * Only do this for public postings to avoid privacy problems, since poco data is public.
2065 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2067 * @param array $arr Contains the just posted item record
2068 * @throws \Exception
2070 private static function updateContact(array $arr)
2072 // Unarchive the author
2073 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2074 if (DBA::isResult($contact)) {
2075 Contact::unmarkForArchival($contact);
2078 // Unarchive the contact if it's not our own contact
2079 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2080 if (DBA::isResult($contact)) {
2081 Contact::unmarkForArchival($contact);
2084 /// @todo On private posts we could obfuscate the date
2085 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2087 // Is it a forum? Then we don't care about the rules from above
2088 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
2089 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2095 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2096 // So we have to ensure to only update the last item when it had been our own post,
2097 // or it had been done by a "regular" contact.
2098 if (!empty($arr['wall'])) {
2099 $condition = ['id' => $arr['contact-id']];
2101 $condition = ['id' => $arr['contact-id'], 'self' => false];
2103 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2105 // Now do the same for the system wide contacts with uid=0
2106 if ($arr['private'] != self::PRIVATE) {
2107 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2108 ['id' => $arr['owner-id']]);
2110 if ($arr['owner-id'] != $arr['author-id']) {
2111 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2112 ['id' => $arr['author-id']]);
2117 public static function setHashtags(string $body): string
2119 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
2120 $tags = BBCode::getTags($body);
2123 if (!count($tags)) {
2127 // This sorting is important when there are hashtags that are part of other hashtags
2128 // Otherwise there could be problems with hashtags like #test and #test2
2129 // Because of this we are sorting from the longest to the shortest tag.
2130 usort($tags, function ($a, $b) {
2131 return strlen($b) <=> strlen($a);
2134 $URLSearchString = "^\[\]";
2136 // All hashtags should point to the home server if "local_tags" is activated
2137 if (DI::config()->get('system', 'local_tags')) {
2138 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2139 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2142 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2143 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2145 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2148 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2150 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2153 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
2155 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2158 // Repair recursive urls
2159 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2162 foreach ($tags as $tag) {
2163 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2167 $basetag = str_replace('_', ' ', substr($tag, 1));
2168 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2170 $body = str_replace($tag, $newtag, $body);
2173 // Convert back the masked hashtags
2174 $body = str_replace("#", "#", $body);
2183 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2186 * @param int $item_id
2187 * @return boolean true if item was deleted, else false
2188 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2189 * @throws \ImagickException
2191 private static function tagDeliver(int $uid, int $item_id): bool
2195 $owner = User::getOwnerDataById($uid);
2196 if (!DBA::isResult($owner)) {
2197 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2201 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2202 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2206 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [self::GRAVITY_PARENT, self::GRAVITY_COMMENT], 'origin' => false]);
2207 if (!DBA::isResult($item)) {
2208 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2212 if ($item['gravity'] == self::GRAVITY_PARENT) {
2213 if (Tag::isMentioned($item['uri-id'], $owner['url'])) {
2214 Logger::info('Mention found in tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2216 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2217 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2221 $arr = ['item' => $item, 'user' => $owner];
2223 Hook::callAll('tagged', $arr);
2225 if (Tag::isMentioned($item['parent-uri-id'], $owner['url'])) {
2226 Logger::info('Mention found in parent tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2228 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2233 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2235 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2237 $allow_gid = '<' . Group::FOLLOWERS . '>';
2240 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2242 self::performActivity($item['id'], 'announce', $uid);
2245 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2250 * Automatically reshare the item if the "remote_self" option is selected
2252 * @param array $item
2255 private static function autoReshare(array $item)
2257 if ($item['gravity'] != self::GRAVITY_PARENT) {
2261 $cdata = Contact::getPublicAndUserContactID($item['author-id'], $item['uid']);
2262 if (empty($cdata['user']) || ($cdata['user'] != $item['contact-id'])) {
2266 $cdata = Contact::getPublicAndUserContactID($item['author-id'], $item['uid']);
2267 if (empty($cdata['user']) || ($cdata['user'] != $item['contact-id'])) {
2271 if (!DBA::exists('contact', ['id' => $cdata['user'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2275 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2279 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2281 self::performActivity($item['id'], 'announce', $item['uid']);
2284 public static function isRemoteSelf(array $contact, array &$datarray): bool
2286 if ($contact['remote_self'] != Contact::MIRROR_OWN_POST) {
2290 // Prevent the forwarding of posts that are forwarded
2291 if (!empty($datarray['extid']) && ($datarray['extid'] == Protocol::DFRN)) {
2292 Logger::info('Already forwarded');
2296 // Prevent to forward already forwarded posts
2297 if ($datarray['app'] == DI::baseUrl()->getHost()) {
2298 Logger::info('Already forwarded (second test)');
2302 // Only forward posts
2303 if ($datarray['verb'] != Activity::POST) {
2304 Logger::info('No post');
2308 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2309 Logger::info('Not public');
2313 $datarray2 = $datarray;
2314 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2316 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2317 ['uid' => $contact['uid'], 'self' => true]);
2318 if (!DBA::isResult($self)) {
2319 Logger::error('Self contact not found', ['uid' => $contact['uid']]);
2323 $datarray['contact-id'] = $self['id'];
2325 $datarray['author-name'] = $datarray['owner-name'] = $self['name'];
2326 $datarray['author-link'] = $datarray['owner-link'] = $self['url'];
2327 $datarray['author-avatar'] = $datarray['owner-avatar'] = $self['thumb'];
2329 unset($datarray['edited']);
2331 unset($datarray['network']);
2332 unset($datarray['owner-id']);
2333 unset($datarray['author-id']);
2335 if ($contact['network'] != Protocol::FEED) {
2336 $old_uri_id = $datarray['uri-id'] ?? 0;
2337 $datarray['guid'] = System::createUUID();
2338 unset($datarray['plink']);
2339 $datarray['uri'] = self::newURI($datarray['guid']);
2340 $datarray['uri-id'] = ItemURI::getIdByURI($datarray['uri']);
2341 $datarray['extid'] = Protocol::DFRN;
2342 $urlpart = parse_url($datarray2['author-link']);
2343 $datarray['app'] = $urlpart['host'];
2344 if (!empty($old_uri_id)) {
2345 Post\Media::copy($old_uri_id, $datarray['uri-id']);
2348 unset($datarray['parent-uri']);
2349 unset($datarray['thr-parent']);
2351 // Store the original post
2352 $result = self::insert($datarray2);
2353 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2355 $datarray['private'] = self::PUBLIC;
2356 $datarray['app'] = 'Feed';
2360 return (bool)$result;
2367 * @param array $item
2370 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2371 * @throws \ImagickException
2373 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2375 if (DI::config()->get('system', 'disable_embedded')) {
2379 Logger::info('check for photos');
2380 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2385 $img_start = strpos($orig_body, '[img');
2386 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2387 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2389 while (($img_st_close !== false) && ($img_len !== false)) {
2390 $img_st_close++; // make it point to AFTER the closing bracket
2391 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2393 Logger::info('found photo', ['image' => $image]);
2395 if (stristr($image, $site . '/photo/')) {
2396 // Only embed locally hosted photos
2398 $i = basename($image);
2399 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2400 $x = strpos($i, '-');
2403 $res = substr($i, $x + 1);
2404 $i = substr($i, 0, $x);
2405 $photo = Photo::getPhotoForUser($uid, $i, $res);
2406 if (DBA::isResult($photo)) {
2408 * Check to see if we should replace this photo link with an embedded image
2409 * 1. No need to do so if the photo is public
2410 * 2. If there's a contact-id provided, see if they're in the access list
2411 * for the photo. If so, embed it.
2412 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2413 * permissions, regardless of order but first check to see if they're an exact
2414 * match to save some processing overhead.
2416 if (self::hasPermissions($photo)) {
2418 $recips = self::enumeratePermissions($photo);
2419 if (in_array($cid, $recips)) {
2423 if (self::samePermissions($uid, $item, $photo)) {
2429 $photo_img = Photo::getImageForPhoto($photo);
2430 // If a custom width and height were specified, apply before embedding
2431 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2432 Logger::info('scaling photo');
2434 $width = intval($match[1]);
2435 $height = intval($match[2]);
2437 $photo_img->scaleDown(max($width, $height));
2440 $data = $photo_img->asString();
2441 $type = $photo_img->getType();
2443 Logger::info('replacing photo');
2444 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2445 Logger::debug('replaced', ['image' => $image]);
2451 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2452 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2453 if ($orig_body === false) {
2457 $img_start = strpos($orig_body, '[img');
2458 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2459 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2462 $new_body = $new_body . $orig_body;
2467 private static function hasPermissions(array $obj)
2469 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2470 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2473 // @TODO $uid is unused parameter
2474 private static function samePermissions($uid, array $obj1, array $obj2): bool
2476 // first part is easy. Check that these are exactly the same.
2477 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2478 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2479 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2480 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2484 // This is harder. Parse all the permissions and compare the resulting set.
2485 $recipients1 = self::enumeratePermissions($obj1);
2486 $recipients2 = self::enumeratePermissions($obj2);
2490 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2491 return ($recipients1 == $recipients2);
2495 * Returns an array of contact-ids that are allowed to see this object
2497 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2498 * @param bool $check_dead Prunes unavailable contacts from the result
2500 * @throws \Exception
2502 public static function enumeratePermissions(array $obj, bool $check_dead = false): array
2504 $aclFormatter = DI::aclFormatter();
2506 $allow_people = $aclFormatter->expand($obj['allow_cid']);
2507 $allow_groups = Group::expand($obj['uid'], $aclFormatter->expand($obj['allow_gid']), $check_dead);
2508 $deny_people = $aclFormatter->expand($obj['deny_cid']);
2509 $deny_groups = Group::expand($obj['uid'], $aclFormatter->expand($obj['deny_gid']), $check_dead);
2510 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2511 $deny = array_unique(array_merge($deny_people, $deny_groups));
2512 $recipients = array_diff($recipients, $deny);
2516 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2518 if (!$uid || ($days < 1)) {
2522 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2523 $uid, self::GRAVITY_PARENT];
2526 * $expire_network_only = save your own wall posts
2527 * and just expire conversations started by others
2529 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2531 if ($expire_network_only) {
2532 $condition[0] .= " AND NOT `wall`";
2535 if ($network != "") {
2536 $condition[0] .= " AND `network` = ?";
2537 $condition[] = $network;
2540 $condition[0] .= " AND `received` < ?";
2541 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2543 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2545 if (!DBA::isResult($items)) {
2549 $expire_items = (bool)DI::pConfig()->get($uid, 'expire', 'items', true);
2551 // Forcing expiring of items - but not notes and marked items
2553 $expire_items = true;
2556 $expire_notes = (bool)DI::pConfig()->get($uid, 'expire', 'notes', true);
2557 $expire_starred = (bool)DI::pConfig()->get($uid, 'expire', 'starred', true);
2558 $expire_photos = (bool)DI::pConfig()->get($uid, 'expire', 'photos', false);
2562 $priority = DI::config()->get('system', 'expire-notify-priority');
2564 while ($item = Post::fetch($items)) {
2565 // don't expire filed items
2566 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2570 // Only expire posts, not photos and photo comments
2572 if (!$expire_photos && !empty($item['resource-id'])) {
2574 } elseif (!$expire_starred && intval($item['starred'])) {
2576 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2578 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2582 self::markForDeletionById($item['id'], $priority);
2587 Logger::notice('Expired', ['user' => $uid, 'days' => $days, 'network' => $network, 'force' => $force, 'expired' => $expired, 'expire items' => $expire_items, 'expire notes' => $expire_notes, 'expire starred' => $expire_starred, 'expire photos' => $expire_photos, 'condition' => $condition]);
2590 public static function firstPostDate(int $uid, bool $wall = false)
2592 $user = User::getById($uid, ['register_date']);
2597 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2598 $uid, $wall, $user['register_date']];
2599 $params = ['order' => ['received' => false]];
2600 $thread = Post::selectFirstThread(['received'], $condition, $params);
2601 if (DBA::isResult($thread)) {
2602 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2609 * add/remove activity to an item
2611 * Toggle activities as like,dislike,attend of an item
2613 * @param int $item_id
2614 * @param string $verb
2615 * Activity verb. One of
2616 * like, unlike, dislike, undislike, attendyes, unattendyes,
2617 * attendno, unattendno, attendmaybe, unattendmaybe,
2618 * announce, unannounce
2620 * @param string $allow_cid
2621 * @param string $allow_gid
2622 * @param string $deny_cid
2623 * @param string $deny_gid
2625 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2626 * @throws \ImagickException
2627 * @hook 'post_local_end'
2629 * 'post_id' => ID of posted item
2631 public static function performActivity(int $item_id, string $verb, int $uid, string $allow_cid = null, string $allow_gid = null, string $deny_cid = null, string $deny_gid = null): bool
2637 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2639 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2640 if (!DBA::isResult($item)) {
2641 Logger::warning('Post had not been fetched', ['id' => $item_id]);
2645 $uri_id = $item['uri-id'];
2647 if (!in_array($item['uid'], [0, $uid])) {
2651 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2652 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid, ['post-reason' => Item::PR_ACTIVITY]);
2653 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2654 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2655 if (!DBA::isResult($item)) {
2656 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2662 // Retrieves the local post owner
2663 $owner = User::getOwnerDataById($uid);
2664 if (empty($owner)) {
2665 Logger::info('Empty owner for user', ['uid' => $uid]);
2669 // Retrieve the current logged in user's public contact
2670 $author_id = Contact::getPublicIdByUserId($uid);
2671 if (empty($author_id)) {
2672 Logger::info('Empty public contact');
2680 $activity = Activity::LIKE;
2684 $activity = Activity::DISLIKE;
2688 $activity = Activity::ATTEND;
2692 $activity = Activity::ATTENDNO;
2695 case 'unattendmaybe':
2696 $activity = Activity::ATTENDMAYBE;
2700 $activity = Activity::FOLLOW;
2704 $activity = Activity::ANNOUNCE;
2707 Logger::warning('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2711 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2713 // Enable activity toggling instead of on/off
2714 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2716 // Look for an existing verb row
2717 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2718 if ($event_verb_flag) {
2719 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2721 // Translate to the index based activity index
2723 foreach ($verbs as $verb) {
2724 $vids[] = Verb::getID($verb);
2727 $vids = Verb::getID($activity);
2730 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => self::GRAVITY_ACTIVITY,
2731 'author-id' => $author_id, 'uid' => $uid, 'thr-parent-id' => $uri_id];
2732 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2734 if (DBA::isResult($like_item)) {
2736 * Truth table for existing activities
2738 * | Inputs || Outputs |
2739 * |----------------------------||-------------------|
2740 * | Mode | Event | Same verb || Delete? | Return? |
2741 * |--------|-------|-----------||---------|---------|
2742 * | create | Yes | Yes || No | Yes |
2743 * | create | Yes | No || Yes | No |
2744 * | create | No | Yes || No | Yes |
2745 * | create | No | No || N/A†|
2746 * | delete | Yes | Yes || Yes | N/A‡ |
2747 * | delete | Yes | No || No | N/A‡ |
2748 * | delete | No | Yes || Yes | N/A‡ |
2749 * | delete | No | No || N/A†|
2750 * |--------|-------|-----------||---------|---------|
2751 * | A | B | C || A xor C | !B or C |
2753 * †Can't happen: It's impossible to find an existing non-event activity without
2754 * the same verb because we are only looking for this single verb.
2756 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2758 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2759 self::markForDeletionById($like_item['id']);
2762 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2767 // No need to go further if we aren't creating anything
2768 if ($mode == 'delete') {
2772 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2775 'guid' => System::createUUID(),
2776 'uri' => self::newURI(),
2778 'contact-id' => $owner['id'],
2779 'wall' => $item['wall'],
2781 'network' => Protocol::DFRN,
2782 'protocol' => Conversation::PARCEL_DIRECT,
2783 'direction' => Conversation::PUSH,
2784 'gravity' => self::GRAVITY_ACTIVITY,
2785 'parent' => $item['id'],
2786 'thr-parent' => $item['uri'],
2787 'owner-id' => $author_id,
2788 'author-id' => $author_id,
2789 'body' => $activity,
2790 'verb' => $activity,
2791 'object-type' => $objtype,
2792 'allow_cid' => $allow_cid ?? $item['allow_cid'],
2793 'allow_gid' => $allow_gid ?? $item['allow_gid'],
2794 'deny_cid' => $deny_cid ?? $item['deny_cid'],
2795 'deny_gid' => $deny_gid ?? $item['deny_gid'],
2800 if (in_array($activity, [Activity::LIKE, Activity::DISLIKE])) {
2801 $signed = Diaspora::createLikeSignature($uid, $new_item);
2802 if (!empty($signed)) {
2803 $new_item['diaspora_signed_text'] = json_encode($signed);
2807 self::insert($new_item, true);
2809 // If the parent item isn't visible then set it to visible
2810 // @todo Check if this is still needed
2811 if (!$item['visible']) {
2812 self::update(['visible' => true], ['id' => $item['id']]);
2818 * Fetch the SQL condition for the given user id
2820 * @param integer $owner_id User ID for which the permissions should be fetched
2821 * @return array condition
2823 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
2825 $local_user = DI::userSession()->getLocalUserId();
2826 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
2828 // default permissions - anonymous user
2829 $condition = ["`private` != ?", self::PRIVATE];
2831 if ($local_user && ($local_user == $owner_id)) {
2832 // Profile owner - everything is visible
2834 } elseif ($remote_user) {
2835 // Authenticated visitor - fetch the matching permissionsets
2836 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2838 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2839 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2840 self::PRIVATE, self::PRIVATE];
2841 $condition = array_merge($condition, $permissionSets->column('id'));
2849 * Get a permission SQL string for the given user
2851 * @param int $owner_id
2852 * @param string $table
2855 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
2857 $local_user = DI::userSession()->getLocalUserId();
2858 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
2860 if (!empty($table)) {
2861 $table = DBA::quoteIdentifier($table) . '.';
2865 * Construct permissions
2867 * default permissions - anonymous user
2869 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2871 // Profile owner - everything is visible
2872 if ($local_user && ($local_user == $owner_id)) {
2874 } elseif ($remote_user) {
2876 * Authenticated visitor. Unless pre-verified,
2877 * check that the contact belongs to this $owner_id
2878 * and load the groups the visitor belongs to.
2879 * If pre-verified, the caller is expected to have already
2880 * done this and passed the groups into this function.
2882 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2885 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2890 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2897 * get translated item type
2899 * @param array $item
2900 * @param \Friendica\Core\L10n $l10n
2903 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
2905 if (!empty($item['event-id'])) {
2906 return $l10n->t('event');
2907 } elseif (!empty($item['resource-id'])) {
2908 return $l10n->t('photo');
2909 } elseif ($item['gravity'] == self::GRAVITY_ACTIVITY) {
2910 return $l10n->t('activity');
2911 } elseif ($item['gravity'] == self::GRAVITY_COMMENT) {
2912 return $l10n->t('comment');
2915 return $l10n->t('post');
2919 * Sets the "rendered-html" field of the provided item
2921 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2923 * @param array $item
2925 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2926 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2928 private static function putInCache(&$item)
2930 // Save original body to prevent addons to modify it
2931 $body = $item['body'];
2933 $rendered_hash = $item['rendered-hash'] ?? '';
2934 $rendered_html = $item['rendered-html'] ?? '';
2936 if ($rendered_hash == ''
2937 || $rendered_html == ''
2938 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2939 || DI::config()->get('system', 'ignore_cache')
2941 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
2942 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2944 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2945 Hook::callAll('put_item_in_cache', $hook_data);
2946 $item['rendered-html'] = $hook_data['rendered-html'];
2947 $item['rendered-hash'] = $hook_data['rendered-hash'];
2950 // Update if the generated values differ from the existing ones
2951 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2954 'rendered-html' => $item['rendered-html'],
2955 'rendered-hash' => $item['rendered-hash']
2957 ['id' => $item['id']]
2962 $item['body'] = $body;
2966 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2967 * If attach is true, also add icons for item attachments.
2969 * @param array $item Record from item table
2970 * @param boolean $attach If true, add icons for item attachments as well
2971 * @param boolean $is_preview Whether this is a preview
2972 * @param boolean $only_cache Whether only cached HTML should be updated
2973 * @return string item body html
2974 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2975 * @throws \ImagickException
2976 * @hook prepare_body_init item array before any work
2977 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2978 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2979 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2981 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
2984 Hook::callAll('prepare_body_init', $item);
2987 // In order to provide theme developers more possibilities, event items
2988 // are treated differently.
2989 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2990 $ev = Event::getItemHTML($item);
2994 $tags = Tag::populateFromItem($item);
2996 $item['tags'] = $tags['tags'];
2997 $item['hashtags'] = $tags['hashtags'];
2998 $item['mentions'] = $tags['mentions'];
3001 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3002 $item['body'] = Post\Media::removeFromEndOfBody($item['body'] ?? '');
3005 $body = $item['body'];
3007 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3010 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network', 'has-media', 'quote-uri-id', 'post-type'];
3014 $quote_shared_links = [];
3016 $shared = DI::contentItem()->getSharedPost($item, $fields);
3017 if (!empty($shared['post'])) {
3018 $shared_item = $shared['post'];
3019 $shared_item['body'] = Post\Media::removeFromEndOfBody($shared_item['body']);
3020 $quote_uri_id = $shared['post']['uri-id'];
3021 $shared_links[] = strtolower($shared['post']['uri']);
3022 $item['body'] = BBCode::removeSharedData($item['body']);
3023 } elseif (empty($shared_item['uri-id']) && empty($item['quote-uri-id']) && ($item['network'] != Protocol::DIASPORA)) {
3024 $media = Post\Media::getByURIId($item['uri-id'], [Post\Media::ACTIVITY]);
3025 if (!empty($media)) {
3026 $shared_item = Post::selectFirst($fields, ['plink' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3028 if (empty($shared_item['uri-id'])) {
3029 $shared_item = Post::selectFirst($fields, ['uri' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3030 $shared_links[] = strtolower($media[0]['url']);
3033 if (!empty($shared_item['uri-id'])) {
3034 $data = BBCode::getAttachmentData($shared_item['body']);
3035 if (!empty($data['url'])) {
3036 $quote_shared_links[] = $data['url'];
3039 $quote_uri_id = $shared_item['uri-id'];
3044 if (!empty($quote_uri_id)) {
3045 $item['body'] .= "\n" . DI::contentItem()->createSharedBlockByArray($shared_item);
3048 if (!empty($shared_item['uri-id'])) {
3049 $shared_uri_id = $shared_item['uri-id'];
3050 $shared_links[] = strtolower($shared_item['plink']);
3051 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, [], $shared_item['has-media']);
3052 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
3053 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
3054 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
3055 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
3058 $attachments = Post\Media::splitAttachments($item['uri-id'], $shared_links, $item['has-media'] ?? false);
3059 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
3061 self::putInCache($item);
3062 $item['body'] = $body;
3063 $s = $item["rendered-html"];
3069 // Compile eventual content filter reasons
3070 $filter_reasons = [];
3071 if (!$is_preview && DI::userSession()->getPublicContactId() != $item['author-id']) {
3072 if (!empty($item['user-blocked-author']) || !empty($item['user-blocked-owner'])) {
3073 $filter_reasons[] = DI::l10n()->t('%s is blocked', $item['author-name']);
3074 } elseif (!empty($item['user-ignored-author']) || !empty($item['user-ignored-owner'])) {
3075 $filter_reasons[] = DI::l10n()->t('%s is ignored', $item['author-name']);
3076 } elseif (!empty($item['user-collapsed-author']) || !empty($item['user-collapsed-owner'])) {
3077 $filter_reasons[] = DI::l10n()->t('Content from %s is collapsed', $item['author-name']);
3080 if (!empty($item['content-warning']) && (!DI::userSession()->getLocalUserId() || !DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'disable_cw', false))) {
3081 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3084 $item['attachments'] = $attachments;
3088 'filter_reasons' => $filter_reasons
3090 Hook::callAll('prepare_body_content_filter', $hook_data);
3091 $filter_reasons = $hook_data['filter_reasons'];
3098 'preview' => $is_preview,
3099 'filter_reasons' => $filter_reasons
3101 Hook::callAll('prepare_body', $hook_data);
3102 $s = $hook_data['html'];
3107 // Replace the blockquotes with quotes that are used in mails.
3108 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3109 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3113 if (!empty($shared_attachments)) {
3114 $s = self::addVisualAttachments($shared_attachments, $shared_item, $s, true);
3115 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, $quote_shared_links);
3116 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
3117 $body = BBCode::removeSharedData($body);
3120 $s = self::addVisualAttachments($attachments, $item, $s, false);
3121 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
3122 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
3123 $s = self::addQuestions($item, $s);
3126 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3127 $x = Map::byCoordinates(trim($item['coord']));
3129 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3133 // Replace friendica image url size with theme preference.
3134 if (!empty($a->getThemeInfoValue('item_image_size'))) {
3135 $ps = $a->getThemeInfoValue('item_image_size');
3136 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3139 $s = HTML::applyContentFilter($s, $filter_reasons);
3141 $hook_data = ['item' => $item, 'html' => $s];
3142 Hook::callAll('prepare_body_final', $hook_data);
3143 return $hook_data['html'];
3147 * @param array $images
3149 * @throws \Friendica\Network\HTTPException\ServiceUnavailableException
3151 private static function makeImageGrid(array $images): string
3153 // Image for first column (fc) and second column (sc)
3157 for ($i = 0; $i < count($images); $i++) {
3158 ($i % 2 == 0) ? ($images_fc[] = $images[$i]) : ($images_sc[] = $images[$i]);
3161 return Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image_grid.tpl'), [
3171 * Check if the body contains a link
3173 * @param string $body
3174 * @param string $url
3178 public static function containsLink(string $body, string $url, int $type = 0): bool
3180 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
3181 $urlparts = parse_url($url);
3182 if (empty($urlparts)) {
3186 unset($urlparts['query']);
3187 unset($urlparts['fragment']);
3190 $url = (string)Uri::fromParts($urlparts);
3191 } catch (\InvalidArgumentException $e) {
3192 DI::logger()->notice('Invalid URL', ['$url' => $url, '$urlparts' => $urlparts]);
3193 /* See https://github.com/friendica/friendica/issues/12113
3194 * Malformed URLs will result in a Fatal Error
3199 // Remove media links to only search in embedded content
3200 // @todo Check images for image link, audio for audio links, ...
3201 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
3202 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
3205 if (strpos($body, $url)) {
3209 foreach ([0, 1, 2] as $size) {
3210 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
3211 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
3220 * Replace visual attachments in the body
3222 * @param array $attachments
3223 * @param string $body
3224 * @return string modified body
3226 private static function replaceVisualAttachments(array $attachments, string $body): string
3228 DI::profiler()->startRecording('rendering');
3230 foreach ($attachments['visual'] as $attachment) {
3231 if (!empty($attachment['preview'])) {
3232 $proxy = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3233 $search = ['[img=' . $attachment['preview'] . ']', ']' . $attachment['preview'] . '[/img]'];
3234 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3236 $body = str_replace($search, $replace, $body);
3237 } elseif ($attachment['filetype'] == 'image') {
3238 $proxy = Post\Media::getUrlForId($attachment['id']);
3239 $search = ['[img=' . $attachment['url'] . ']', ']' . $attachment['url'] . '[/img]'];
3240 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3242 $body = str_replace($search, $replace, $body);
3245 DI::profiler()->stopRecording();
3250 * Add visual attachments to the content
3252 * @param array $attachments
3253 * @param array $item
3254 * @param string $content
3255 * @return string modified content
3257 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared): string
3259 DI::profiler()->startRecording('rendering');
3264 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
3265 foreach ($attachments['visual'] as $attachment) {
3266 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
3270 if ($attachment['filetype'] == 'image') {
3271 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE);
3272 } elseif (!empty($attachment['preview'])) {
3273 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3278 if ($preview_url && self::containsLink($item['body'], $preview_url)) {
3282 if (($attachment['filetype'] == 'video')) {
3283 /// @todo Move the template to /content as well
3284 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3286 'id' => $attachment['id'],
3287 'src' => $attachment['url'],
3288 'name' => $attachment['name'] ?: $attachment['url'],
3289 'preview' => $preview_url,
3290 'mime' => $attachment['mimetype'],
3293 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3296 $trailing .= $media;
3298 } elseif ($attachment['filetype'] == 'audio') {
3299 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3301 'id' => $attachment['id'],
3302 'src' => $attachment['url'],
3303 'name' => $attachment['name'] ?: $attachment['url'],
3304 'mime' => $attachment['mimetype'],
3307 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3310 $trailing .= $media;
3312 } elseif ($attachment['filetype'] == 'image') {
3313 $src_url = Post\Media::getUrlForId($attachment['id']);
3314 if (self::containsLink($item['body'], $src_url)) {
3317 $images[] = ['src' => $src_url, 'preview' => $preview_url, 'attachment' => $attachment];
3322 if (count($images) > 1) {
3323 $media = self::makeImageGrid($images);
3324 } elseif (count($images) == 1) {
3325 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
3326 '$image' => $images[0],
3330 // On Diaspora posts the attached pictures are leading
3331 if ($item['network'] == Protocol::DIASPORA) {
3334 $trailing .= $media;
3338 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '</div>' . BBCode::TOP_ANCHOR, $content);
3339 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '</div>' . BBCode::BOTTOM_ANCHOR, $content);
3341 if ($leading != '') {
3342 $content = '<div class="body-attach">' . $leading . '</div>' . $content;
3345 if ($trailing != '') {
3346 $content .= '<div class="body-attach">' . $trailing . '</div>';
3350 DI::profiler()->stopRecording();
3355 * Add link attachment to the content
3357 * @param array $attachments
3358 * @param string $body
3359 * @param string $content
3360 * @param bool $shared
3361 * @param array $ignore_links A list of URLs to ignore
3362 * @return string modified content
3364 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3366 DI::profiler()->startRecording('rendering');
3367 // Don't show a preview when there is a visual attachment (audio or video)
3368 $types = array_column($attachments['visual'], 'type');
3369 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
3371 if (!empty($attachments['link'])) {
3372 foreach ($attachments['link'] as $link) {
3374 foreach ($ignore_links as $ignore_link) {
3375 if (Strings::compareLink($link['url'], $ignore_link)) {
3379 // @todo Judge between the links to use the one with most information
3380 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
3381 (empty($attachment['name']) && !empty($link['name'])) ||
3382 (empty($attachment['description']) && !empty($link['description'])) ||
3383 (empty($attachment['preview']) && !empty($link['preview'])))) {
3384 $attachment = $link;
3389 if (!empty($attachment)) {
3392 'author_name' => $attachment['author-name'] ?? '',
3393 'author_url' => $attachment['author-url'] ?? '',
3394 'description' => $attachment['description'] ?? '',
3397 'provider_name' => $attachment['publisher-name'] ?? '',
3398 'provider_url' => $attachment['publisher-url'] ?? '',
3400 'title' => $attachment['name'] ?? '',
3402 'url' => $attachment['url']];
3404 if ($preview && !empty($attachment['preview'])) {
3405 if ($attachment['preview-width'] >= 500) {
3406 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3408 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3412 if (!empty($data['description']) && !empty($content)) {
3413 similar_text($data['description'], $content, $percent);
3418 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3419 $data['description'] = '';
3422 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3423 $data['author_name'] = '';
3426 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3427 $data['author_url'] = '';
3429 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3430 $data = BBCode::getAttachmentData($match[1]);
3432 DI::profiler()->stopRecording();
3434 if (isset($data['url']) && !in_array(strtolower($data['url']), $ignore_links)) {
3435 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview']) || (!empty($data['title']) && !Strings::compareLink($data['title'], $data['url']))) {
3436 $parts = parse_url($data['url']);
3437 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3438 if (empty($data['provider_name'])) {
3439 $data['provider_name'] = $parts['host'];
3441 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3442 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3444 if (!empty($parts['port'])) {
3445 $data['provider_url'] .= ':' . $parts['port'];
3450 // @todo Use a template
3451 $preview_mode = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'preview_mode', BBCode::PREVIEW_LARGE);
3452 if ($preview_mode != BBCode::PREVIEW_NONE) {
3453 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid, $preview_mode);
3457 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3458 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3459 '$url' => $data['url'],
3460 '$title' => $data['title'],
3467 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3469 return $content . $rendered;
3476 * Add non visual attachments to the content
3478 * @param array $attachments
3479 * @param array $item
3480 * @param string $content
3481 * @return string modified content
3483 private static function addNonVisualAttachments(array $attachments, array $item, string $content): string
3485 DI::profiler()->startRecording('rendering');
3487 foreach ($attachments['additional'] as $attachment) {
3488 if (strpos($item['body'], $attachment['url'])) {
3492 $author = ['uid' => 0, 'id' => $item['author-id'],
3493 'network' => $item['author-network'], 'url' => $item['author-link']];
3494 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3496 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3498 if (!empty($attachment['size'])) {
3499 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3502 /// @todo Use a template
3503 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3504 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3507 if ($trailing != '') {
3508 $content .= '<div class="body-attach">' . $trailing . '</div>';
3511 DI::profiler()->stopRecording();
3515 private static function addQuestions(array $item, string $content): string
3517 DI::profiler()->startRecording('rendering');
3518 if (!empty($item['question-id'])) {
3520 'id' => $item['question-id'],
3521 'multiple' => $item['question-multiple'],
3522 'voters' => $item['question-voters'],
3523 'endtime' => $item['question-end-time']
3526 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3527 foreach ($options as $key => $option) {
3528 if ($question['voters'] > 0) {
3529 $percent = $option['replies'] / $question['voters'] * 100;
3530 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%3$d%%, %1$d vote)', '%2$s (%3$d%%, %1$d votes)', $option['replies'], $option['name'], round($percent, 1));
3532 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%1$d vote)', '%2$s (%1$d votes)', $option['replies'], $option['name']);
3536 if (!empty($question['voters']) && !empty($question['endtime'])) {
3537 $summary = DI::l10n()->tt('%d voter. Poll end: %s', '%d voters. Poll end: %s', $question['voters'], Temporal::getRelativeDate($question['endtime']));
3538 } elseif (!empty($question['voters'])) {
3539 $summary = DI::l10n()->tt('%d voter.', '%d voters.', $question['voters']);
3540 } elseif (!empty($question['endtime'])) {
3541 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3546 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3547 '$question' => $question,
3548 '$options' => $options,
3549 '$summary' => $summary,
3552 DI::profiler()->stopRecording();
3557 * get private link for item
3559 * @param array $item
3560 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3561 * @throws \Exception
3563 public static function getPlink(array $item)
3565 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3566 $plink = $item['plink'];
3567 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3568 $plink = $item['uri'];
3571 if (DI::userSession()->getLocalUserId()) {
3573 'href' => "display/" . $item['guid'],
3574 'orig' => "display/" . $item['guid'],
3575 'title' => DI::l10n()->t('View on separate page'),
3576 'orig_title' => DI::l10n()->t('View on separate page'),
3579 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3580 $author = ['uid' => 0, 'id' => $item['author-id'],
3581 'network' => $item['author-network'], 'url' => $item['author-link']];
3582 $plink = Contact::magicLinkByContact($author, $plink);
3585 if (!empty($plink)) {
3586 $ret['href'] = DI::baseUrl()->remove($plink);
3587 $ret['title'] = DI::l10n()->t('Link to source');
3589 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3593 'title' => DI::l10n()->t('Link to source'),
3594 'orig_title' => DI::l10n()->t('Link to source'),
3604 * Does the given uri-id belongs to a post that is sent as starting post to a forum?
3606 * @param int $uri_id
3608 * @return boolean "true" when it is a forum post
3610 public static function isForumPost(int $uri_id): bool
3612 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION]) as $tag) {
3613 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3621 * Search item id for given URI or plink
3623 * @param string $uri
3624 * @param integer $uid
3626 * @return integer item id
3628 public static function searchByLink(string $uri, int $uid = 0): int
3630 $ssl_uri = str_replace('http://', 'https://', $uri);
3631 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3633 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3634 if (DBA::isResult($item)) {
3638 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3639 if (DBA::isResult($item)) {
3647 * Return the URI for a link to the post
3649 * @param string $uri URI or link to post
3651 * @return string URI
3653 public static function getURIByLink(string $uri): string
3655 $ssl_uri = str_replace('http://', 'https://', $uri);
3656 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3658 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3659 if (DBA::isResult($item)) {
3660 return $item['uri'];
3663 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3664 if (DBA::isResult($item)) {
3665 return $item['uri'];
3672 * Fetches item for given URI or plink
3674 * @param string $uri
3675 * @param integer $uid
3677 * @return integer item id
3679 public static function fetchByLink(string $uri, int $uid = 0): int
3681 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3682 $item_id = self::searchByLink($uri, $uid);
3683 if (!empty($item_id)) {
3684 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3694 Hook::callAll('item_by_link', $hookData);
3696 if (isset($hookData['item_id'])) {
3697 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3700 $fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri, [], '', ActivityPub\Receiver::COMPLETION_MANUAL, $uid);
3703 $item_id = self::searchByLink($fetched_uri, $uid);
3705 $item_id = Diaspora::fetchByURL($uri);
3708 if (!empty($item_id)) {
3709 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3713 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3718 * Fetch the uri-id of a quote
3720 * @param string $body
3723 public static function getQuoteUriId(string $body, int $uid = 0): int
3725 $shared = BBCode::fetchShareAttributes($body);
3726 if (empty($shared['guid']) && empty($shared['message_id'])) {
3730 if (empty($shared['link']) && empty($shared['message_id'])) {
3731 Logger::notice('Invalid share block.', ['share' => $shared]);
3735 if (!empty($shared['guid'])) {
3736 $shared_item = Post::selectFirst(['uri-id'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3737 if (!empty($shared_item['uri-id'])) {
3738 Logger::debug('Found post by guid', ['guid' => $shared['guid'], 'uid' => $uid]);
3739 return $shared_item['uri-id'];
3743 if (!empty($shared['message_id'])) {
3744 $shared_item = Post::selectFirst(['uri-id'], ['uri' => $shared['message_id'], 'uid' => [0, $uid]]);
3745 if (!empty($shared_item['uri-id'])) {
3746 Logger::debug('Found post by message_id', ['message_id' => $shared['message_id'], 'uid' => $uid]);
3747 return $shared_item['uri-id'];
3751 if (!empty($shared['link'])) {
3752 $shared_item = Post::selectFirst(['uri-id'], ['plink' => $shared['link'], 'uid' => [0, $uid]]);
3753 if (!empty($shared_item['uri-id'])) {
3754 Logger::debug('Found post by link', ['link' => $shared['link'], 'uid' => $uid]);
3755 return $shared_item['uri-id'];
3759 $url = $shared['message_id'] ?: $shared['link'];
3760 $id = self::fetchByLink($url);
3762 Logger::notice('Post could not be fetched.', ['url' => $url, 'uid' => $uid]);
3766 $shared_item = Post::selectFirst(['uri-id'], ['id' => $id]);
3767 if (!empty($shared_item['uri-id'])) {
3768 Logger::debug('Fetched shared post', ['id' => $id, 'url' => $url, 'uid' => $uid]);
3769 return $shared_item['uri-id'];
3772 Logger::warning('Post does not exist although it was supposed to had been fetched.', ['id' => $id, 'url' => $url, 'uid' => $uid]);