3 * @copyright Copyright (C) 2010-2022, 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\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
36 use Friendica\Model\Post;
37 use Friendica\Protocol\Activity;
38 use Friendica\Protocol\ActivityPub;
39 use Friendica\Protocol\Diaspora;
40 use Friendica\Util\DateTimeFormat;
41 use Friendica\Util\Map;
42 use Friendica\Util\Network;
43 use Friendica\Util\Proxy;
44 use Friendica\Util\Strings;
45 use Friendica\Util\Temporal;
46 use Friendica\Worker\Delivery;
47 use GuzzleHttp\Psr7\Uri;
48 use LanguageDetection\Language;
52 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
59 const PT_DOCUMENT = 19;
62 const PT_PERSONAL_NOTE = 128;
64 // Posting reasons (Why had a post been stored for a user?)
71 const PR_FOLLOWER = 69;
72 const PR_ANNOUNCEMENT = 70;
73 const PR_COMMENT = 71;
77 const PR_FETCHED = 75;
78 const PR_COMPLETION = 76;
80 const PR_ACTIVITY = 78;
81 const PR_DISTRIBUTE = 79;
85 // system.accept_only_sharer setting values
86 const COMPLETION_NONE = 1;
87 const COMPLETION_COMMENT = 0;
88 const COMPLETION_LIKE = 2;
90 // Field list that is used to display the items
91 const DISPLAY_FIELDLIST = [
92 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
93 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri', 'conversation',
94 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
95 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
96 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
97 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
98 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-addr', 'author-uri-id',
99 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated',
100 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
101 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
102 'writable', 'self', 'cid', 'alias',
103 'event-created', 'event-edited', 'event-start', 'event-finish',
104 'event-summary', 'event-desc', 'event-location', 'event-type',
105 'event-nofinish', 'event-ignore', 'event-id',
106 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
107 'has-categories', 'has-media',
108 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
111 // Field list that is used to deliver items via the protocols
112 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
113 'parent-guid', 'conversation', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
114 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
115 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
116 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
117 'author-id', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
118 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
119 'thr-parent-id', 'parent-uri-id', 'postopts', 'pubmail',
120 'event-created', 'event-edited', 'event-start', 'event-finish',
121 'event-summary', 'event-desc', 'event-location', 'event-type',
122 'event-nofinish', 'event-ignore', 'event-id'];
124 // All fields in the item table
125 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
126 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'conversation', 'vid',
127 'contact-id', 'wall', 'gravity', 'extid', 'psid',
128 'created', 'edited', 'commented', 'received', 'changed', 'verb',
129 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
130 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
131 'private', 'pubmail', 'visible', 'starred',
132 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
133 'title', 'content-warning', 'body', 'location', 'coord', 'app',
134 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
135 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
136 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
138 // List of all verbs that don't need additional content data.
139 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
141 Activity::LIKE, Activity::DISLIKE,
142 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
151 * Update existing item entries
153 * @param array $fields The fields that are to be changed
154 * @param array $condition The condition for finding the item entries
156 * In the future we may have to change permissions as well.
157 * Then we had to add the user id as third parameter.
159 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
161 * @return integer|boolean number of affected rows - or "false" if there was an error
162 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
164 public static function update(array $fields, array $condition)
166 if (empty($condition) || empty($fields)) {
170 if (isset($fields['extid'])) {
171 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
174 if (!empty($fields['verb'])) {
175 $fields['vid'] = Verb::getID($fields['verb']);
178 if (!empty($fields['edited'])) {
179 $previous = Post::selectFirst(['edited'], $condition);
182 $rows = Post::update($fields, $condition);
183 if (is_bool($rows)) {
187 // We only need to call the line by line update for specific fields
188 if (empty($fields['body']) && empty($fields['file']) &&
189 empty($fields['attach']) && empty($fields['edited'])) {
193 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
195 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network'], $condition);
199 while ($item = DBA::fetch($items)) {
200 if (!empty($fields['body'])) {
201 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
203 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
205 // Remove all media attachments from the body and store them in the post-media table
206 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
207 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
208 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
210 if ($item['author-network'] != Protocol::DFRN) {
211 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body']);
214 Post\Content::update($item['uri-id'], $content_fields);
217 if (!empty($fields['file'])) {
218 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
221 if (!empty($fields['attach'])) {
222 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
225 // We only need to notfiy others when it is an original entry from us.
226 // Only call the notifier when the item had been edited and records had been changed.
227 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
228 $notify_items[] = $item['id'];
234 foreach ($notify_items as $notify_item) {
235 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
236 Worker::add(PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
243 * Delete an item and notify others about it - if it was ours
245 * @param array $condition The condition for finding the item entries
246 * @param integer $priority Priority for the notification
248 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
250 public static function markForDeletion(array $condition, int $priority = PRIORITY_HIGH)
252 $items = Post::select(['id'], $condition);
253 while ($item = Post::fetch($items)) {
254 self::markForDeletionById($item['id'], $priority);
260 * Delete an item for an user and notify others about it - if it was ours
262 * @param array $condition The condition for finding the item entries
263 * @param integer $uid User who wants to delete this item
265 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
267 public static function deleteForUser(array $condition, int $uid)
273 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
274 while ($item = Post::fetch($items)) {
275 if (in_array($item['uid'], [$uid, 0])) {
276 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
277 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
280 if ($item['uid'] == $uid) {
281 self::markForDeletionById($item['id'], PRIORITY_HIGH);
282 } elseif ($item['uid'] != 0) {
283 Logger::notice('Wrong ownership. Not deleting item', ['id' => $item['id']]);
290 * Mark an item for deletion, delete related data and notify others about it - if it was ours
292 * @param integer $item_id
293 * @param integer $priority Priority for the notification
294 * @return boolean success
295 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
297 public static function markForDeletionById(int $item_id, int $priority = PRIORITY_HIGH): bool
299 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
300 // locate item to be deleted
301 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
302 'deleted', 'resource-id', 'event-id',
303 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
304 $item = Post::selectFirst($fields, ['id' => $item_id]);
305 if (!DBA::isResult($item)) {
306 Logger::info('Item not found.', ['id' => $item_id]);
310 if ($item['deleted']) {
311 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
315 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
316 if (!DBA::isResult($parent)) {
317 $parent = ['origin' => false];
320 // clean up categories and tags so they don't end up as orphans
321 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
324 * If item is a link to a photo resource, nuke all the associated photos
325 * (visitors will not have photo resources)
326 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
327 * generate a resource-id and therefore aren't intimately linked to the item.
329 /// @TODO: this should first check if photo is used elsewhere
330 if (strlen($item['resource-id'])) {
331 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
334 // If item is a link to an event, delete the event.
335 if (intval($item['event-id'])) {
336 Event::delete($item['event-id']);
339 // If item has attachments, drop them
340 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
341 foreach($attachments as $attachment) {
342 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
343 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
347 // Set the item to "deleted"
348 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
349 Post::update($item_fields, ['id' => $item['id']]);
351 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
353 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
354 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
357 Post\DeliveryData::delete($item['uri-id']);
359 // If it's the parent of a comment thread, kill all the kids
360 if ($item['gravity'] == GRAVITY_PARENT) {
361 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
364 // Is it our comment and/or our thread?
365 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
366 // When we delete the original post we will delete all existing copies on the server as well
367 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
369 // send the notification upstream/downstream
371 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
373 } elseif ($item['uid'] != 0) {
374 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
375 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
378 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
384 * Get guid from given item record
386 * @param array $item Item record
387 * @param bool Whether to notify (?)
388 * @return string Guid
390 public static function guid(array $item, bool $notify): string
392 if (!empty($item['guid'])) {
393 return trim($item['guid']);
397 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
398 // We add the hash of our own host because our host is the original creator of the post.
399 $prefix_host = DI::baseUrl()->getHostname();
403 // We are only storing the post so we create a GUID from the original hostname.
404 if (!empty($item['author-link'])) {
405 $parsed = parse_url($item['author-link']);
406 if (!empty($parsed['host'])) {
407 $prefix_host = $parsed['host'];
411 if (empty($prefix_host) && !empty($item['plink'])) {
412 $parsed = parse_url($item['plink']);
413 if (!empty($parsed['host'])) {
414 $prefix_host = $parsed['host'];
418 if (empty($prefix_host) && !empty($item['uri'])) {
419 $parsed = parse_url($item['uri']);
420 if (!empty($parsed['host'])) {
421 $prefix_host = $parsed['host'];
425 // Is it in the format data@host.tld? - Used for mail contacts
426 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
427 $mailparts = explode('@', $item['author-link']);
428 $prefix_host = array_pop($mailparts);
432 if (!empty($item['plink'])) {
433 $guid = self::guidFromUri($item['plink'], $prefix_host);
434 } elseif (!empty($item['uri'])) {
435 $guid = self::guidFromUri($item['uri'], $prefix_host);
437 $guid = System::createUUID(hash('crc32', $prefix_host));
444 * Returns contact id from given item record
446 * @param array $item Item record
447 * @return int Contact id
449 private static function contactId(array $item): int
451 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
452 return $item['contact-id'];
453 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
454 return $item['contact-id'];
455 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
456 return $item['author-id'];
457 } elseif (!empty($item['contact-id'])) {
458 return $item['contact-id'];
460 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
461 if (!empty($contact_id)) {
465 return $item['author-id'];
469 * Write an item array into a spool file to be inserted later.
470 * This command is called whenever there are issues storing an item.
472 * @param array $item The item fields that are to be inserted
475 private static function spool(array $item)
477 // Now we store the data in the spool directory
478 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
479 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
481 $spoolpath = System::getSpoolPath();
482 if ($spoolpath != '') {
483 $spool = $spoolpath . '/' . $file;
485 file_put_contents($spool, json_encode($item));
486 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
491 * Check if the item array is a duplicate
493 * @param array $item Item record
494 * @return boolean is it a duplicate?
496 private static function isDuplicate(array $item): bool
498 // Checking if there is already an item with the same guid
499 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
500 if (Post::exists($condition)) {
501 Logger::notice('Found already existing item', $condition);
505 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
506 'network' => [$item['network'], Protocol::DFRN]];
507 if (Post::exists($condition)) {
508 Logger::notice('duplicated item with the same uri found.', $condition);
512 // On Friendica and Diaspora the GUID is unique
513 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
514 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
515 if (Post::exists($condition)) {
516 Logger::notice('duplicated item with the same guid found.', $condition);
519 } elseif ($item['network'] == Protocol::OSTATUS) {
520 // Check for an existing post with the same content. There seems to be a problem with OStatus.
521 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
522 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
523 if (Post::exists($condition)) {
524 Logger::notice('duplicated item with the same body found.', $item);
530 * Check for already added items.
531 * There is a timing issue here that sometimes creates double postings.
532 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
534 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
535 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
543 * Check if the item array is valid
545 * @param array $item Item record
546 * @return boolean item is valid
548 public static function isValid(array $item): bool
550 // When there is no content then we don't post it
551 if (($item['body'] . $item['title'] == '') && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
552 Logger::notice('No body, no title.');
556 if (!empty($item['uid'])) {
557 $owner = User::getOwnerDataById($item['uid'], false);
559 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
563 if ($owner['account_expired'] || $owner['account_removed']) {
564 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
569 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
570 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
574 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
575 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
579 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
580 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
584 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
585 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
589 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
593 if ($item['verb'] == Activity::FOLLOW) {
594 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
595 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
596 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
600 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
601 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
602 if (Post::exists($condition)) {
603 // It happens that we receive multiple follow requests by the same author - we only store one.
604 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
613 * Check if the item array is too old
615 * @param array $item Item record
616 * @return boolean item is too old
618 public static function isTooOld(array $item): bool
620 // check for create date and expire time
621 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
623 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
624 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
625 $expire_interval = $user['expire'];
628 if (($expire_interval > 0) && !empty($item['created'])) {
629 $expire_date = time() - ($expire_interval * 86400);
630 $created_date = strtotime($item['created']);
631 if ($created_date < $expire_date) {
632 Logger::notice('Item created before expiration interval.', [
633 'created' => date('c', $created_date),
634 'expired' => date('c', $expire_date),
645 * Return the id of the given item array if it has been stored before
647 * @param array $item Item record
648 * @return integer Item id or zero on error
650 private static function getDuplicateID(array $item): int
652 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
653 $condition = ['`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
656 Protocol::ACTIVITYPUB,
661 $existing = Post::selectFirst(['id', 'network'], $condition);
662 if (DBA::isResult($existing)) {
663 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
664 if ($item['uid'] != 0) {
665 Logger::notice('Item already existed for user', [
666 'uri-id' => $item['uri-id'],
667 'uid' => $item['uid'],
668 'network' => $item['network'],
669 'existing_id' => $existing['id'],
670 'existing_network' => $existing['network']
674 return $existing['id'];
681 * Fetch top-level parent data for the given item array
684 * @return array item array with parent data
687 private static function getTopLevelParent(array $item): array
689 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
690 'uri-id', 'parent-uri-id',
691 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
692 'wall', 'private', 'origin', 'author-id'];
693 $condition = ['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => $item['uid']];
694 $params = ['order' => ['id' => false]];
695 $parent = Post::selectFirst($fields, $condition, $params);
697 if (!DBA::isResult($parent) && Post::exists(['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => 0])) {
698 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
699 if (!$stored && ($item['thr-parent-id'] != $item['parent-uri-id'])) {
700 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
703 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
704 $parent = Post::selectFirst($fields, $condition, $params);
708 if (!DBA::isResult($parent)) {
709 Logger::notice('item parent was not found - ignoring item', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'callstack' => System::callstack(20)]);
713 if ($parent['uri-id'] == $parent['parent-uri-id']) {
717 $condition = ['uri-id' => $parent['parent-uri-id'],
718 'parent-uri-id' => $parent['parent-uri-id'],
719 'uid' => $parent['uid']];
720 $params = ['order' => ['id' => false]];
721 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
723 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
724 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
725 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
726 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
729 if (!DBA::isResult($toplevel_parent)) {
730 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
734 return $toplevel_parent;
738 * Get the gravity for the given item array
741 * @return integer gravity
743 private static function getGravity(array $item): int
745 $activity = DI::activity();
747 if (isset($item['gravity'])) {
748 return intval($item['gravity']);
749 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
750 return GRAVITY_PARENT;
751 } elseif ($activity->match($item['verb'], Activity::POST)) {
752 return GRAVITY_COMMENT;
753 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
754 return GRAVITY_ACTIVITY;
755 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
756 return GRAVITY_ACTIVITY;
759 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
760 return GRAVITY_UNKNOWN; // Should not happen
764 * Inserts item record
766 * @param array $item Item array to be inserted
767 * @param int $notify Notification (type?)
768 * @param bool $post_local (???)
769 * @return int Zero means error, otherwise primary key (id) is being returned
771 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
775 $priority = PRIORITY_HIGH;
777 // If it is a posting where users should get notifications, then define it as wall posting
781 $item['network'] = Protocol::DFRN;
782 $item['protocol'] = Conversation::PARCEL_DIRECT;
783 $item['direction'] = Conversation::PUSH;
785 if (is_int($notify) && in_array($notify, PRIORITIES)) {
789 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
792 $uid = intval($item['uid']);
794 $item['guid'] = self::guid($item, $notify);
795 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['guid']), 0, 255);
798 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
800 // Backward compatibility: parent-uri used to be the direct parent uri.
801 // If it is provided without a thr-parent, it probably is the old behavior.
802 if (empty($item['thr-parent']) || empty($item['parent-uri'])) {
803 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
804 $item['parent-uri'] = $item['thr-parent'];
807 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
808 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
810 // Store conversation data
811 $source = $item['source'] ?? '';
812 unset($item['conversation-uri']);
813 unset($item['conversation-href']);
814 unset($item['source']);
817 * Do we already have this item?
818 * We have to check several networks since Friendica posts could be repeated
819 * via OStatus (maybe Diasporsa as well)
821 $duplicate = self::getDuplicateID($item);
826 // Additional duplicate checks
827 /// @todo Check why the first duplication check returns the item number and the second a 0
828 if (self::isDuplicate($item)) {
832 if (!isset($item['post-type'])) {
833 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
836 $item['wall'] = intval($item['wall'] ?? 0);
837 $item['extid'] = trim($item['extid'] ?? '');
838 $item['author-name'] = trim($item['author-name'] ?? '');
839 $item['author-link'] = trim($item['author-link'] ?? '');
840 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
841 $item['owner-name'] = trim($item['owner-name'] ?? '');
842 $item['owner-link'] = trim($item['owner-link'] ?? '');
843 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
844 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
845 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
846 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
847 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
848 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
849 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
850 $item['location'] = trim($item['location'] ?? '');
851 $item['coord'] = trim($item['coord'] ?? '');
852 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
853 $item['deleted'] = 0;
854 $item['verb'] = trim($item['verb'] ?? '');
855 $item['object-type'] = trim($item['object-type'] ?? '');
856 $item['object'] = trim($item['object'] ?? '');
857 $item['target-type'] = trim($item['target-type'] ?? '');
858 $item['target'] = trim($item['target'] ?? '');
859 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
860 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
861 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
862 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
863 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
864 $item['private'] = intval($item['private'] ?? self::PUBLIC);
865 $item['body'] = trim($item['body'] ?? '');
866 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
867 $item['app'] = trim($item['app'] ?? '');
868 $item['origin'] = intval($item['origin'] ?? 0);
869 $item['postopts'] = trim($item['postopts'] ?? '');
870 $item['resource-id'] = trim($item['resource-id'] ?? '');
871 $item['event-id'] = intval($item['event-id'] ?? 0);
872 $item['inform'] = trim($item['inform'] ?? '');
873 $item['file'] = trim($item['file'] ?? '');
875 // Communities aren't working with the Diaspora protoccol
876 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
877 $user = User::getById($uid, ['account-type']);
878 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
879 Logger::info('Community posts are not supported via Diaspora');
884 // Items cannot be stored before they happen ...
885 if ($item['created'] > DateTimeFormat::utcNow()) {
886 $item['created'] = DateTimeFormat::utcNow();
889 // We haven't invented time travel by now.
890 if ($item['edited'] > DateTimeFormat::utcNow()) {
891 $item['edited'] = DateTimeFormat::utcNow();
894 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
896 $item['gravity'] = self::getGravity($item);
898 $item['language'] = self::getLanguage($item);
900 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
901 'photo' => $item['author-avatar'], 'network' => $item['network']];
902 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
904 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
905 'photo' => $item['owner-avatar'], 'network' => $item['network']];
906 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
908 $item['post-reason'] = self::getPostReason($item);
910 // Ensure that there is an avatar cache
911 Contact::checkAvatarCache($item['author-id']);
912 Contact::checkAvatarCache($item['owner-id']);
914 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
915 $item['contact-id'] = self::contactId($item);
917 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
918 empty($item['origin']) && self::isTooOld($item)) {
919 Logger::info('Item is too old', ['item' => $item]);
923 if (!self::isValid($item)) {
927 if ($item['gravity'] !== GRAVITY_PARENT) {
928 $toplevel_parent = self::getTopLevelParent($item);
929 if (empty($toplevel_parent)) {
933 // If the thread originated from this node, we check the permission against the thread starter
934 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
935 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
936 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
940 $parent_id = $toplevel_parent['id'];
941 $item['parent-uri'] = $toplevel_parent['uri'];
942 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
943 $item['deleted'] = $toplevel_parent['deleted'];
945 // Reshares have to keep their permissions to allow forums to work
946 if (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE)) {
947 $item['allow_cid'] = $toplevel_parent['allow_cid'];
948 $item['allow_gid'] = $toplevel_parent['allow_gid'];
949 $item['deny_cid'] = $toplevel_parent['deny_cid'];
950 $item['deny_gid'] = $toplevel_parent['deny_gid'];
953 $parent_origin = $toplevel_parent['origin'];
955 // Don't federate received participation messages
956 if ($item['verb'] != Activity::FOLLOW) {
957 $item['wall'] = $toplevel_parent['wall'];
959 $item['wall'] = false;
960 // Participations are technical messages, so they are set to "seen" automatically
961 $item['unseen'] = false;
965 * If the parent is private, force privacy for the entire conversation
966 * This differs from the above settings as it subtly allows comments from
967 * email correspondents to be private even if the overall thread is not.
969 if ($toplevel_parent['private']) {
970 $item['private'] = $toplevel_parent['private'];
973 // If its a post that originated here then tag the thread as "mention"
974 if ($item['origin'] && $item['uid']) {
975 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
976 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
979 // Update the contact relations
980 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
983 $parent_origin = $item['origin'];
985 if ($item['wall'] && empty($item['conversation'])) {
986 $item['conversation'] = $item['parent-uri'] . '#context';
990 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
991 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
993 if (!empty($item['conversation']) && empty($item['conversation-id'])) {
994 $item['conversation-id'] = ItemURI::getIdByURI($item['conversation']);
997 // Is this item available in the global items (with uid=0)?
998 if ($item['uid'] == 0) {
999 $item['global'] = true;
1001 // Set the global flag on all items if this was a global item entry
1002 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
1004 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
1008 if (!empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
1009 $item['private'] = self::PRIVATE;
1012 if ($notify && $post_local) {
1013 $item['edit'] = false;
1014 $item['parent'] = $parent_id;
1016 // Trigger automatic reactions for addons
1017 if (!isset($item['api_source'])) {
1018 $item['api_source'] = true;
1021 // We have to tell the hooks who we are - this really should be improved
1022 if (!local_user()) {
1023 $_SESSION['authenticated'] = true;
1024 $_SESSION['uid'] = $uid;
1025 $dummy_session = true;
1027 $dummy_session = false;
1030 Hook::callAll('post_local', $item);
1032 if ($dummy_session) {
1033 unset($_SESSION['authenticated']);
1034 unset($_SESSION['uid']);
1036 } elseif (!$notify) {
1037 Hook::callAll('post_remote', $item);
1040 if (!empty($item['cancel'])) {
1041 Logger::notice('post cancelled by addon.');
1045 if (empty($item['vid']) && !empty($item['verb'])) {
1046 $item['vid'] = Verb::getID($item['verb']);
1049 // Creates or assigns the permission set
1050 $item['psid'] = DI::permissionSet()->selectOrCreate(
1051 DI::permissionSetFactory()->createFromString(
1059 if (!empty($item['extid'])) {
1060 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1063 if ($item['verb'] == Activity::ANNOUNCE) {
1064 self::setOwnerforResharedItem($item);
1067 if (isset($item['attachments'])) {
1068 foreach ($item['attachments'] as $attachment) {
1069 $attachment['uri-id'] = $item['uri-id'];
1070 Post\Media::insert($attachment);
1072 unset($item['attachments']);
1075 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1077 // Remove all media attachments from the body and store them in the post-media table
1078 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1079 $item['raw-body'] = self::setHashtags($item['raw-body']);
1081 if (!DBA::exists('contact', ['id' => $item['author-id'], 'network' => Protocol::DFRN])) {
1082 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body']);
1085 // Check for hashtags in the body and repair or add hashtag links
1086 $item['body'] = self::setHashtags($item['body']);
1088 if (stristr($item['verb'], Activity::POKE)) {
1089 $notify_type = Delivery::POKE;
1091 $notify_type = Delivery::POST;
1094 // Filling item related side tables
1095 if (!empty($item['attach'])) {
1096 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1099 if (empty($item['event-id'])) {
1100 unset($item['event-id']);
1102 $ev = Event::fromBBCode($item['body']);
1103 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1104 Logger::info('Event found.');
1105 $ev['cid'] = $item['contact-id'];
1106 $ev['uid'] = $item['uid'];
1107 $ev['uri'] = $item['uri'];
1108 $ev['edited'] = $item['edited'];
1109 $ev['private'] = $item['private'];
1110 $ev['guid'] = $item['guid'];
1111 $ev['plink'] = $item['plink'];
1112 $ev['network'] = $item['network'];
1113 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1114 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1115 $ev['source'] = $item['source'] ?? '';
1117 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1118 if (DBA::isResult($event)) {
1119 $ev['id'] = $event['id'];
1122 $event_id = Event::store($ev);
1123 $item = Event::getItemArrayForImportedId($event_id, $item);
1125 Logger::info('Event was stored', ['id' => $event_id]);
1129 if (empty($item['causer-id'])) {
1130 unset($item['causer-id']);
1133 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1134 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1135 if (!empty($content_warning) && empty($item['content-warning'])) {
1136 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1140 Post::insert($item['uri-id'], $item);
1142 if ($item['gravity'] == GRAVITY_PARENT) {
1143 Post\Thread::insert($item['uri-id'], $item);
1146 if (!in_array($item['verb'], self::ACTIVITIES)) {
1147 Post\Content::insert($item['uri-id'], $item);
1150 // Create Diaspora signature
1151 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != GRAVITY_PARENT)) {
1152 $signed = Diaspora::createCommentSignature($item);
1153 if (!empty($signed)) {
1154 $item['diaspora_signed_text'] = json_encode($signed);
1158 if (!empty($item['diaspora_signed_text'])) {
1159 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1162 // Attached file links
1163 if (!empty($item['file'])) {
1164 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1167 // Delivery relevant data
1168 $delivery_data = Post\DeliveryData::extractFields($item);
1170 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1171 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1174 // Store tags from the body if this hadn't been handled previously in the protocol classes
1175 if (!Tag::existsForPost($item['uri-id'])) {
1176 Tag::storeFromBody($item['uri-id'], $item['body']);
1179 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1180 if (Post::exists($condition)) {
1181 Logger::notice('Item is already inserted - aborting', $condition);
1185 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1186 if (!$post_user_id) {
1187 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1191 if ($item['gravity'] == GRAVITY_PARENT) {
1192 $item['post-user-id'] = $post_user_id;
1193 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1196 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1198 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1199 if (!DBA::isResult($posted_item)) {
1200 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1201 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1202 self::spool($orig_item);
1206 // update the commented timestamp on the parent
1207 if (DI::config()->get('system', 'like_no_comment')) {
1208 // Update when it is a comment
1209 $update_commented = in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1211 // Update when it isn't a follow or tag verb
1212 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1215 if ($update_commented) {
1216 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1218 $fields = ['changed' => DateTimeFormat::utcNow()];
1221 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1223 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1224 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1225 // Get the user information for the logging
1226 $user = User::getById($uid);
1228 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1233 if (!\Friendica\Content\Feature::isEnabled($posted_item['uid'], 'explicit_mentions') && ($posted_item['gravity'] == GRAVITY_COMMENT)) {
1234 Tag::createImplicitMentions($posted_item['uri-id'], $posted_item['thr-parent-id']);
1236 Hook::callAll('post_local_end', $posted_item);
1238 Hook::callAll('post_remote_end', $posted_item);
1241 if ($posted_item['gravity'] === GRAVITY_PARENT) {
1242 self::addShadow($post_user_id);
1244 self::addShadowPost($post_user_id);
1247 self::updateContact($posted_item);
1249 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1251 // Distribute items to users who subscribed to their tags
1252 self::distributeByTags($posted_item);
1254 // Automatically reshare the item if the "remote_self" option is selected
1255 self::autoReshare($posted_item);
1257 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1260 // Don't relay participation messages
1261 if (($posted_item['verb'] == Activity::FOLLOW) &&
1262 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1263 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1269 if (!empty($source)) {
1270 Post\Activity::insert($item['uri-id'], $source);
1272 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1275 // Fill the cache with the rendered content.
1276 if (in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1277 self::updateDisplayCache($posted_item['uri-id']);
1280 if ($posted_item['origin'] && ($posted_item['uid'] != 0) && in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT])) {
1281 DI::cache()->delete(ActivityPub\Transmitter::CACHEKEY_OUTBOX . $posted_item['uid']);
1284 return $post_user_id;
1288 * Fetch the post reason for a given item array
1290 * @param array $item
1294 public static function getPostReason(array $item): int
1296 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1297 if (empty($item['origin']) && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1298 return self::PR_FOLLOWER;
1301 if (!empty($item['origin']) && empty($item['post-reason'])) {
1302 return self::PR_LOCAL;
1305 return $item['post-reason'] ?? self::PR_NONE;
1309 * Update the display cache
1311 * @param integer $uri_id
1314 public static function updateDisplayCache(int $uri_id)
1316 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1317 self::prepareBody($item, false, false, true);
1321 * Change the owner of a parent item if it had been shared by a forum
1323 * (public) forum posts in the new format consist of the regular post by the author
1324 * followed by an announce message sent from the forum account.
1325 * Changing the owner helps in grouping forum posts.
1327 * @param array $item
1330 private static function setOwnerforResharedItem(array $item)
1332 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1333 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1334 if (!DBA::isResult($parent)) {
1335 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1339 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1340 if (!DBA::isResult($author)) {
1341 Logger::error('Author not found', ['id' => $item['author-id']]);
1345 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1346 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1348 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1349 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1350 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1354 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1355 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1356 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1360 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1361 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1366 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1367 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1371 * Distribute the given item to users who subscribed to their tags
1373 * @param array $item Processed item
1375 private static function distributeByTags(array $item)
1377 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1381 $uids = Tag::getUIDListByURIId($item['uri-id']);
1382 foreach ($uids as $uid) {
1383 $stored = self::storeForUserByUriId($item['uri-id'], $uid, ['post-reason' => self::PR_TAG]);
1384 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1389 * Distributes public items to the receivers
1391 * @param integer $itemid Item ID that should be added
1392 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1393 * @throws \Exception
1395 public static function distribute(int $itemid, string $signed_text = '')
1397 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1398 $parent = Post::selectFirst(['owner-id'], $condition);
1399 if (!DBA::isResult($parent)) {
1400 Logger::warning('Item not found', ['condition' => $condition]);
1404 // Only distribute public items from native networks
1405 $condition = ['id' => $itemid, 'uid' => 0,
1406 'network' => array_merge(Protocol::FEDERATED ,['']),
1407 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1408 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), $condition);
1409 if (!DBA::isResult($item)) {
1410 Logger::warning('Item not found', ['condition' => $condition]);
1414 $origin = $item['origin'];
1418 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1419 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1420 if (!DBA::isResult($owner)) {
1424 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1425 $contacts = DBA::select('contact', ['uid'], $condition);
1426 while ($contact = DBA::fetch($contacts)) {
1427 if ($contact['uid'] == 0) {
1431 $users[$contact['uid']] = $contact['uid'];
1433 DBA::close($contacts);
1435 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1436 $contacts = DBA::select('contact', ['uid'], $condition);
1437 while ($contact = DBA::fetch($contacts)) {
1438 if ($contact['uid'] == 0) {
1442 $users[$contact['uid']] = $contact['uid'];
1444 DBA::close($contacts);
1446 if (!empty($owner['alias'])) {
1447 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1448 $contacts = DBA::select('contact', ['uid'], $condition);
1449 while ($contact = DBA::fetch($contacts)) {
1450 if ($contact['uid'] == 0) {
1454 $users[$contact['uid']] = $contact['uid'];
1456 DBA::close($contacts);
1461 if ($item['uri-id'] != $item['parent-uri-id']) {
1462 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1463 while ($parent = Post::fetch($parents)) {
1464 $users[$parent['uid']] = $parent['uid'];
1465 if ($parent['origin'] && !$origin) {
1466 $origin_uid = $parent['uid'];
1469 DBA::close($parents);
1472 foreach ($users as $uid) {
1473 if ($origin_uid == $uid) {
1474 $item['diaspora_signed_text'] = $signed_text;
1476 $item['post-reason'] = self::PR_DISTRIBUTE;
1477 self::storeForUser($item, $uid);
1482 * Store a public item defined by their URI-ID for the given users
1484 * @param integer $uri_id URI-ID of the given item
1485 * @param integer $uid The user that will receive the item entry
1486 * @param array $fields Additional fields to be stored
1487 * @param integer $source_uid User id of the source post
1488 * @return integer stored item id
1490 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1492 if ($uid == $source_uid) {
1493 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1497 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['uri-id' => $uri_id, 'uid' => $source_uid]);
1498 if (!DBA::isResult($item)) {
1499 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1503 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1504 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']]);
1508 $item['post-reason'] = self::PR_STORED;
1510 $item = array_merge($item, $fields);
1512 $item['post-reason'] = self::getPostReason($item);
1514 $is_reshare = ($item['gravity'] == GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1516 if ((($item['gravity'] == GRAVITY_PARENT) || $is_reshare) &&
1517 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1518 !in_array($item['post-reason'], [self::PR_FOLLOWER, self::PR_TAG, self::PR_TO, self::PR_CC])) {
1519 Logger::info('Contact is not a follower, thread will not be stored', ['author' => $item['author-link'], 'uid' => $uid]);
1523 if (($uri_id != $item['thr-parent-id']) && (($item['gravity'] == GRAVITY_COMMENT) || $is_reshare) && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1524 // Fetch the origin user for the post
1525 $origin_uid = self::GetOriginUidForUriId($item['thr-parent-id'], $uid);
1526 if (is_null($origin_uid)) {
1527 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $item['thr-parent-id']]);
1531 $causer = $item['causer-id'] ?: $item['author-id'];
1532 $result = self::storeForUserByUriId($item['thr-parent-id'], $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1533 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer, 'result' => $result]);
1536 $stored = self::storeForUser($item, $uid);
1537 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'source-uid' => $source_uid, 'stored' => $stored]);
1542 * Returns the origin uid of a post if the given user is allowed to see it.
1548 private static function GetOriginUidForUriId(int $uriid, int $uid)
1550 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1554 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1555 if (!empty($post)) {
1556 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1557 return $post['uid'];
1560 $pcid = Contact::getPublicIdByUserId($uid);
1565 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1566 if ($receiver == $pcid) {
1567 return $post['uid'];
1574 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1578 // When the post belongs to a a forum then all forum users are allowed to access it
1579 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1580 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1581 $target_uid = User::getIdForURL($tag['url']);
1582 if (!empty($target_uid)) {
1592 * Store a public item array for the given users
1594 * @param array $item The item entry that will be stored
1595 * @param integer $uid The user that will receive the item entry
1596 * @return integer stored item id
1597 * @throws \Exception
1599 private static function storeForUser(array $item, int $uid): int
1601 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1602 if (!empty($item['event-id'])) {
1603 $post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1604 if (!empty($post['event-id'])) {
1605 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish', 'adjust'], ['id' => $item['event-id']]);
1606 if (!empty($event)) {
1607 // We aren't using "Event::store" here, since we don't want to trigger any further action
1608 $ret = DBA::update('event', $event, ['id' => $post['event-id']]);
1609 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $post['event-id'], 'ret' => $ret]);
1613 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1617 // Data from the "post-user" table
1619 unset($item['mention']);
1620 unset($item['starred']);
1621 unset($item['unseen']);
1622 unset($item['psid']);
1623 unset($item['pinned']);
1624 unset($item['ignored']);
1625 unset($item['pubmail']);
1626 unset($item['event-id']);
1627 unset($item['hidden']);
1628 unset($item['notification-type']);
1630 // Data from the "post-delivery-data" table
1631 unset($item['postopts']);
1632 unset($item['inform']);
1634 $item['uid'] = $uid;
1635 $item['origin'] = 0;
1638 if ($item['gravity'] == GRAVITY_PARENT) {
1639 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1641 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1644 if (!empty($contact['id'])) {
1645 $item['contact-id'] = $contact['id'];
1647 // Shouldn't happen at all
1648 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1649 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1650 if (!DBA::isResult($self)) {
1651 // Shouldn't happen even less
1652 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1655 $item['contact-id'] = $self['id'];
1659 if ($item['gravity'] == GRAVITY_PARENT) {
1660 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1661 if (DBA::isResult($contact)) {
1662 $notify = self::isRemoteSelf($contact, $item);
1666 $distributed = self::insert($item, $notify);
1668 if (!$distributed) {
1669 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1671 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1673 return $distributed;
1677 * Add a shadow entry for a given item id that is a thread starter
1679 * We store every public item entry additionally with the user id "0".
1680 * This is used for the community page and for the search.
1681 * It is planned that in the future we will store public item entries only once.
1683 * @param integer $itemid Item ID that should be added
1684 * @throws \Exception
1686 private static function addShadow(int $itemid)
1688 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1689 $condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
1690 $item = Post::selectFirst($fields, $condition);
1692 if (!DBA::isResult($item)) {
1696 // is it already a copy?
1697 if (($itemid == 0) || ($item['uid'] == 0)) {
1701 // Is it a visible public post?
1702 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1706 // is it an entry from a connector? Only add an entry for natively connected networks
1707 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1711 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1715 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1717 if (DBA::isResult($item)) {
1718 // Preparing public shadow (removing user specific data)
1721 unset($item['parent']);
1722 unset($item['wall']);
1723 unset($item['mention']);
1724 unset($item['origin']);
1725 unset($item['starred']);
1726 unset($item['postopts']);
1727 unset($item['inform']);
1728 unset($item['post-reason']);
1729 if ($item['uri-id'] == $item['parent-uri-id']) {
1730 $item['contact-id'] = $item['owner-id'];
1732 $item['contact-id'] = $item['author-id'];
1735 $public_shadow = self::insert($item);
1737 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1742 * Add a shadow entry for a given item id that is a comment
1744 * This function does the same like the function above - but for comments
1746 * @param integer $itemid Item ID that should be added
1747 * @throws \Exception
1749 private static function addShadowPost(int $itemid)
1751 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1752 if (!DBA::isResult($item)) {
1756 // Is it a toplevel post?
1757 if ($item['gravity'] == GRAVITY_PARENT) {
1758 self::addShadow($itemid);
1762 // Is this a shadow entry?
1763 if ($item['uid'] == 0) {
1767 // Is there a shadow parent?
1768 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1772 // Is there already a shadow entry?
1773 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1777 // Save "origin" and "parent" state
1778 $origin = $item['origin'];
1779 $parent = $item['parent'];
1781 // Preparing public shadow (removing user specific data)
1784 unset($item['parent']);
1785 unset($item['wall']);
1786 unset($item['mention']);
1787 unset($item['origin']);
1788 unset($item['starred']);
1789 unset($item['postopts']);
1790 unset($item['inform']);
1791 unset($item['post-reason']);
1792 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1794 $public_shadow = self::insert($item);
1796 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1798 // If this was a comment to a Diaspora post we don't get our comment back.
1799 // This means that we have to distribute the comment by ourselves.
1800 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1801 self::distribute($public_shadow);
1806 * Adds a language specification in a "language" element of given $arr.
1807 * Expects "body" element to exist in $arr.
1809 * @param array $item
1810 * @return string detected language
1811 * @throws \Text_LanguageDetect_Exception
1813 private static function getLanguage(array $item): string
1815 if (!empty($item['language'])) {
1816 return $item['language'];
1819 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1823 // Convert attachments to links
1824 $naked_body = BBCode::removeAttachment($item['body']);
1825 if (empty($naked_body)) {
1829 // Remove links and pictures
1830 $naked_body = BBCode::removeLinks($naked_body);
1832 // Convert the title and the body to plain text
1833 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1835 // Remove possibly remaining links
1836 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1838 if (empty($naked_body)) {
1842 $availableLanguages = DI::l10n()->getAvailableLanguages();
1843 // See https://github.com/friendica/friendica/issues/10511
1844 // Persian is manually added to language detection until a persian translation is provided for the interface, at
1845 // which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
1846 $availableLanguages['fa'] = 'fa';
1848 $ld = new Language(array_keys($availableLanguages));
1849 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1850 if (is_array($languages)) {
1851 return json_encode($languages);
1857 public static function getLanguageMessage(array $item): string
1859 $iso639 = new \Matriphe\ISO639\ISO639;
1861 $used_languages = '';
1862 foreach (json_decode($item['language'], true) as $language => $reliability) {
1863 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1865 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1866 return $used_languages;
1870 * Creates an unique guid out of a given uri.
1871 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
1872 * Posts that are created on this system are using System::createUUID.
1873 * Received ActivityPub posts are using Processor::getGUIDByURL.
1875 * @param string $uri uri of an item entry
1876 * @param string|null $host hostname for the GUID prefix
1877 * @return string Unique guid
1879 public static function guidFromUri(string $uri, string $host = null): string
1881 // Our regular guid routine is using this kind of prefix as well
1882 // We have to avoid that different routines could accidentally create the same value
1883 $parsed = parse_url($uri);
1885 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1886 unset($parsed['scheme']);
1888 // Glue it together to be able to make a hash from it
1889 $host_id = implode('/', $parsed);
1891 // Use a mixture of several hashes to provide some GUID like experience
1892 return hash('crc32', $host) . '-'. hash('joaat', $host_id) . '-'. hash('fnv164', $host_id);
1896 * generate an unique URI
1898 * @param string $guid An existing GUID (Otherwise it will be generated)
1901 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1903 public static function newURI(string $guid = ''): string
1906 $guid = System::createUUID();
1909 return DI::baseUrl()->get() . '/objects/' . $guid;
1913 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1915 * This can be used to filter for inactive contacts.
1916 * Only do this for public postings to avoid privacy problems, since poco data is public.
1917 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1919 * @param array $arr Contains the just posted item record
1920 * @throws \Exception
1922 private static function updateContact(array $arr)
1924 // Unarchive the author
1925 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1926 if (DBA::isResult($contact)) {
1927 Contact::unmarkForArchival($contact);
1930 // Unarchive the contact if it's not our own contact
1931 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1932 if (DBA::isResult($contact)) {
1933 Contact::unmarkForArchival($contact);
1936 /// @todo On private posts we could obfuscate the date
1937 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1939 // Is it a forum? Then we don't care about the rules from above
1940 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1941 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1947 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1948 // So we have to ensure to only update the last item when it had been our own post,
1949 // or it had been done by a "regular" contact.
1950 if (!empty($arr['wall'])) {
1951 $condition = ['id' => $arr['contact-id']];
1953 $condition = ['id' => $arr['contact-id'], 'self' => false];
1955 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1957 // Now do the same for the system wide contacts with uid=0
1958 if ($arr['private'] != self::PRIVATE) {
1959 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1960 ['id' => $arr['owner-id']]);
1962 if ($arr['owner-id'] != $arr['author-id']) {
1963 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1964 ['id' => $arr['author-id']]);
1969 public static function setHashtags(string $body): string
1971 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1972 $tags = BBCode::getTags($body);
1975 if (!count($tags)) {
1979 // This sorting is important when there are hashtags that are part of other hashtags
1980 // Otherwise there could be problems with hashtags like #test and #test2
1981 // Because of this we are sorting from the longest to the shortest tag.
1982 usort($tags, function ($a, $b) {
1983 return strlen($b) <=> strlen($a);
1986 $URLSearchString = "^\[\]";
1988 // All hashtags should point to the home server if "local_tags" is activated
1989 if (DI::config()->get('system', 'local_tags')) {
1990 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1991 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1994 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1995 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1997 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2000 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2002 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2005 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
2007 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2010 // Repair recursive urls
2011 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2014 foreach ($tags as $tag) {
2015 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2019 $basetag = str_replace('_', ' ', substr($tag, 1));
2020 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2022 $body = str_replace($tag, $newtag, $body);
2025 // Convert back the masked hashtags
2026 $body = str_replace("#", "#", $body);
2035 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2038 * @param int $item_id
2039 * @return boolean true if item was deleted, else false
2040 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2041 * @throws \ImagickException
2043 private static function tagDeliver(int $uid, int $item_id): bool
2047 $owner = User::getOwnerDataById($uid);
2048 if (!DBA::isResult($owner)) {
2049 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2053 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2054 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2058 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT], 'origin' => false]);
2059 if (!DBA::isResult($item)) {
2060 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2064 if ($item['gravity'] == GRAVITY_PARENT) {
2065 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2066 foreach ($tags as $tag) {
2067 if (Strings::compareLink($owner['url'], $tag['url'])) {
2069 Logger::info('Mention found in tag.', ['url' => $tag['url'], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2074 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2075 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2079 $arr = ['item' => $item, 'user' => $owner];
2081 Hook::callAll('tagged', $arr);
2083 $tags = Tag::getByURIId($item['parent-uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2084 foreach ($tags as $tag) {
2085 if (Strings::compareLink($owner['url'], $tag['url'])) {
2087 Logger::info('Mention found in parent tag.', ['url' => $tag['url'], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2092 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2097 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2099 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2101 $allow_gid = '<' . Group::FOLLOWERS . '>';
2104 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2106 self::performActivity($item['id'], 'announce', $uid);
2109 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2114 * Automatically reshare the item if the "remote_self" option is selected
2116 * @param array $item
2119 private static function autoReshare(array $item)
2121 if ($item['gravity'] != GRAVITY_PARENT) {
2125 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2129 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2133 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2135 self::performActivity($item['id'], 'announce', $item['uid']);
2138 public static function isRemoteSelf(array $contact, array &$datarray): bool
2140 if (!$contact['remote_self']) {
2144 // Prevent the forwarding of posts that are forwarded
2145 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2146 Logger::info('Already forwarded');
2150 // Prevent to forward already forwarded posts
2151 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2152 Logger::info('Already forwarded (second test)');
2156 // Only forward posts
2157 if ($datarray["verb"] != Activity::POST) {
2158 Logger::info('No post');
2162 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2163 Logger::info('Not public');
2167 $datarray2 = $datarray;
2168 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2169 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2170 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2171 ['uid' => $contact['uid'], 'self' => true]);
2172 if (DBA::isResult($self)) {
2173 $datarray['contact-id'] = $self["id"];
2175 $datarray['owner-name'] = $self["name"];
2176 $datarray['owner-link'] = $self["url"];
2177 $datarray['owner-avatar'] = $self["thumb"];
2179 $datarray['author-name'] = $datarray['owner-name'];
2180 $datarray['author-link'] = $datarray['owner-link'];
2181 $datarray['author-avatar'] = $datarray['owner-avatar'];
2183 unset($datarray['edited']);
2185 unset($datarray['network']);
2186 unset($datarray['owner-id']);
2187 unset($datarray['author-id']);
2190 if ($contact['network'] != Protocol::FEED) {
2191 $old_uri_id = $datarray["uri-id"] ?? 0;
2192 $datarray["guid"] = System::createUUID();
2193 unset($datarray["plink"]);
2194 $datarray["uri"] = self::newURI($datarray["guid"]);
2195 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2196 $datarray["extid"] = Protocol::DFRN;
2197 $urlpart = parse_url($datarray2['author-link']);
2198 $datarray["app"] = $urlpart["host"];
2199 if (!empty($old_uri_id)) {
2200 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2203 unset($datarray["parent-uri"]);
2204 unset($datarray["thr-parent"]);
2206 $datarray['private'] = self::PUBLIC;
2210 if ($contact['network'] != Protocol::FEED) {
2211 // Store the original post
2212 $result = self::insert($datarray2);
2213 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2215 $datarray["app"] = "Feed";
2219 return (bool)$result;
2226 * @param array $item
2229 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2230 * @throws \ImagickException
2232 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2234 if (DI::config()->get('system', 'disable_embedded')) {
2238 Logger::info('check for photos');
2239 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2244 $img_start = strpos($orig_body, '[img');
2245 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2246 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2248 while (($img_st_close !== false) && ($img_len !== false)) {
2249 $img_st_close++; // make it point to AFTER the closing bracket
2250 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2252 Logger::info('found photo', ['image' => $image]);
2254 if (stristr($image, $site . '/photo/')) {
2255 // Only embed locally hosted photos
2257 $i = basename($image);
2258 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2259 $x = strpos($i, '-');
2262 $res = substr($i, $x + 1);
2263 $i = substr($i, 0, $x);
2264 $photo = Photo::getPhotoForUser($uid, $i, $res);
2265 if (DBA::isResult($photo)) {
2267 * Check to see if we should replace this photo link with an embedded image
2268 * 1. No need to do so if the photo is public
2269 * 2. If there's a contact-id provided, see if they're in the access list
2270 * for the photo. If so, embed it.
2271 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2272 * permissions, regardless of order but first check to see if they're an exact
2273 * match to save some processing overhead.
2275 if (self::hasPermissions($photo)) {
2277 $recips = self::enumeratePermissions($photo);
2278 if (in_array($cid, $recips)) {
2282 if (self::samePermissions($uid, $item, $photo)) {
2288 $photo_img = Photo::getImageForPhoto($photo);
2289 // If a custom width and height were specified, apply before embedding
2290 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2291 Logger::info('scaling photo');
2293 $width = intval($match[1]);
2294 $height = intval($match[2]);
2296 $photo_img->scaleDown(max($width, $height));
2299 $data = $photo_img->asString();
2300 $type = $photo_img->getType();
2302 Logger::info('replacing photo');
2303 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2304 Logger::debug('replaced', ['image' => $image]);
2310 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2311 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2312 if ($orig_body === false) {
2316 $img_start = strpos($orig_body, '[img');
2317 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2318 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2321 $new_body = $new_body . $orig_body;
2326 private static function hasPermissions(array $obj)
2328 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2329 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2332 // @TODO $uid is unused parameter
2333 private static function samePermissions($uid, array $obj1, array $obj2): bool
2335 // first part is easy. Check that these are exactly the same.
2336 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2337 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2338 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2339 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2343 // This is harder. Parse all the permissions and compare the resulting set.
2344 $recipients1 = self::enumeratePermissions($obj1);
2345 $recipients2 = self::enumeratePermissions($obj2);
2349 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2350 return ($recipients1 == $recipients2);
2354 * Returns an array of contact-ids that are allowed to see this object
2356 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2357 * @param bool $check_dead Prunes unavailable contacts from the result
2359 * @throws \Exception
2361 public static function enumeratePermissions(array $obj, bool $check_dead = false): array
2363 $aclFormater = DI::aclFormatter();
2365 $allow_people = $aclFormater->expand($obj['allow_cid']);
2366 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2367 $deny_people = $aclFormater->expand($obj['deny_cid']);
2368 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2369 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2370 $deny = array_unique(array_merge($deny_people, $deny_groups));
2371 $recipients = array_diff($recipients, $deny);
2375 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2377 if (!$uid || ($days < 1)) {
2381 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2382 $uid, GRAVITY_PARENT];
2385 * $expire_network_only = save your own wall posts
2386 * and just expire conversations started by others
2388 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2390 if ($expire_network_only) {
2391 $condition[0] .= " AND NOT `wall`";
2394 if ($network != "") {
2395 $condition[0] .= " AND `network` = ?";
2396 $condition[] = $network;
2399 $condition[0] .= " AND `received` < ?";
2400 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2402 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2404 if (!DBA::isResult($items)) {
2408 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2410 // Forcing expiring of items - but not notes and marked items
2412 $expire_items = true;
2415 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2416 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2417 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2421 $priority = DI::config()->get('system', 'expire-notify-priority');
2423 while ($item = Post::fetch($items)) {
2424 // don't expire filed items
2425 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2429 // Only expire posts, not photos and photo comments
2431 if (!$expire_photos && !empty($item['resource-id'])) {
2433 } elseif (!$expire_starred && intval($item['starred'])) {
2435 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2437 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2441 self::markForDeletionById($item['id'], $priority);
2446 Logger::notice('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2449 public static function firstPostDate(int $uid, bool $wall = false)
2451 $user = User::getById($uid, ['register_date']);
2456 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2457 $uid, $wall, $user['register_date']];
2458 $params = ['order' => ['received' => false]];
2459 $thread = Post::selectFirstThread(['received'], $condition, $params);
2460 if (DBA::isResult($thread)) {
2461 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2468 * add/remove activity to an item
2470 * Toggle activities as like,dislike,attend of an item
2472 * @param int $item_id
2473 * @param string $verb
2474 * Activity verb. One of
2475 * like, unlike, dislike, undislike, attendyes, unattendyes,
2476 * attendno, unattendno, attendmaybe, unattendmaybe,
2477 * announce, unannouce
2479 * @param string $allow_cid
2480 * @param string $allow_gid
2481 * @param string $deny_cid
2482 * @param string $deny_gid
2484 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2485 * @throws \ImagickException
2486 * @hook 'post_local_end'
2488 * 'post_id' => ID of posted item
2490 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
2496 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2498 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2499 if (!DBA::isResult($item)) {
2500 Logger::notice('like: unknown item', ['id' => $item_id]);
2504 $uri_id = $item['uri-id'];
2506 if (!in_array($item['uid'], [0, $uid])) {
2510 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2511 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid, ['post-reason' => Item::PR_ACTIVITY]);
2512 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2513 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2514 if (!DBA::isResult($item)) {
2515 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2521 // Retrieves the local post owner
2522 $owner = User::getOwnerDataById($uid);
2523 if (empty($owner)) {
2524 Logger::info('Empty owner for user', ['uid' => $uid]);
2528 // Retrieve the current logged in user's public contact
2529 $author_id = Contact::getIdForURL($owner['url']);
2530 if (empty($author_id)) {
2531 Logger::info('Empty public contact');
2539 $activity = Activity::LIKE;
2543 $activity = Activity::DISLIKE;
2547 $activity = Activity::ATTEND;
2551 $activity = Activity::ATTENDNO;
2554 case 'unattendmaybe':
2555 $activity = Activity::ATTENDMAYBE;
2559 $activity = Activity::FOLLOW;
2563 $activity = Activity::ANNOUNCE;
2566 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2570 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2572 // Enable activity toggling instead of on/off
2573 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2575 // Look for an existing verb row
2576 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2577 if ($event_verb_flag) {
2578 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2580 // Translate to the index based activity index
2582 foreach ($verbs as $verb) {
2583 $vids[] = Verb::getID($verb);
2586 $vids = Verb::getID($activity);
2589 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2590 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2591 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2593 if (DBA::isResult($like_item)) {
2595 * Truth table for existing activities
2597 * | Inputs || Outputs |
2598 * |----------------------------||-------------------|
2599 * | Mode | Event | Same verb || Delete? | Return? |
2600 * |--------|-------|-----------||---------|---------|
2601 * | create | Yes | Yes || No | Yes |
2602 * | create | Yes | No || Yes | No |
2603 * | create | No | Yes || No | Yes |
2604 * | create | No | No || N/A†|
2605 * | delete | Yes | Yes || Yes | N/A‡ |
2606 * | delete | Yes | No || No | N/A‡ |
2607 * | delete | No | Yes || Yes | N/A‡ |
2608 * | delete | No | No || N/A†|
2609 * |--------|-------|-----------||---------|---------|
2610 * | A | B | C || A xor C | !B or C |
2612 * †Can't happen: It's impossible to find an existing non-event activity without
2613 * the same verb because we are only looking for this single verb.
2615 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2617 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2618 self::markForDeletionById($like_item['id']);
2621 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2626 // No need to go further if we aren't creating anything
2627 if ($mode == 'delete') {
2631 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2634 'guid' => System::createUUID(),
2635 'uri' => self::newURI(),
2636 'uid' => $item['uid'],
2637 'contact-id' => $owner['id'],
2638 'wall' => $item['wall'],
2640 'network' => Protocol::DFRN,
2641 'protocol' => Conversation::PARCEL_DIRECT,
2642 'direction' => Conversation::PUSH,
2643 'gravity' => GRAVITY_ACTIVITY,
2644 'parent' => $item['id'],
2645 'thr-parent' => $item['uri'],
2646 'owner-id' => $author_id,
2647 'author-id' => $author_id,
2648 'body' => $activity,
2649 'verb' => $activity,
2650 'object-type' => $objtype,
2651 'allow_cid' => $allow_cid ?? $item['allow_cid'],
2652 'allow_gid' => $allow_gid ?? $item['allow_gid'],
2653 'deny_cid' => $deny_cid ?? $item['deny_cid'],
2654 'deny_gid' => $deny_gid ?? $item['deny_gid'],
2659 $signed = Diaspora::createLikeSignature($uid, $new_item);
2660 if (!empty($signed)) {
2661 $new_item['diaspora_signed_text'] = json_encode($signed);
2664 $new_item_id = self::insert($new_item);
2666 // If the parent item isn't visible then set it to visible
2667 if (!$item['visible']) {
2668 self::update(['visible' => true], ['id' => $item['id']]);
2671 $new_item['id'] = $new_item_id;
2673 Hook::callAll('post_local_end', $new_item);
2679 * Fetch the SQL condition for the given user id
2681 * @param integer $owner_id User ID for which the permissions should be fetched
2682 * @return array condition
2684 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
2686 $local_user = local_user();
2687 $remote_user = Session::getRemoteContactID($owner_id);
2689 // default permissions - anonymous user
2690 $condition = ["`private` != ?", self::PRIVATE];
2692 if ($local_user && ($local_user == $owner_id)) {
2693 // Profile owner - everything is visible
2695 } elseif ($remote_user) {
2696 // Authenticated visitor - fetch the matching permissionsets
2697 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2699 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2700 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2701 self::PRIVATE, self::PRIVATE];
2702 $condition = array_merge($condition, $permissionSets->column('id'));
2710 * Get a permission SQL string for the given user
2712 * @param int $owner_id
2713 * @param string $table
2716 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
2718 $local_user = local_user();
2719 $remote_user = Session::getRemoteContactID($owner_id);
2721 if (!empty($table)) {
2722 $table = DBA::quoteIdentifier($table) . '.';
2726 * Construct permissions
2728 * default permissions - anonymous user
2730 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2732 // Profile owner - everything is visible
2733 if ($local_user && ($local_user == $owner_id)) {
2735 } elseif ($remote_user) {
2737 * Authenticated visitor. Unless pre-verified,
2738 * check that the contact belongs to this $owner_id
2739 * and load the groups the visitor belongs to.
2740 * If pre-verified, the caller is expected to have already
2741 * done this and passed the groups into this function.
2743 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2746 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2751 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2758 * get translated item type
2760 * @param array $item
2761 * @param \Friendica\Core\L10n $l10n
2764 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
2766 if (!empty($item['event-id'])) {
2767 return $l10n->t('event');
2768 } elseif (!empty($item['resource-id'])) {
2769 return $l10n->t('photo');
2770 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2771 return $l10n->t('activity');
2772 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2773 return $l10n->t('comment');
2776 return $l10n->t('post');
2780 * Sets the "rendered-html" field of the provided item
2782 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2784 * @param array $item
2786 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2787 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2789 private static function putInCache(&$item)
2791 // Save original body to prevent addons to modify it
2792 $body = $item['body'];
2794 $rendered_hash = $item['rendered-hash'] ?? '';
2795 $rendered_html = $item['rendered-html'] ?? '';
2797 if ($rendered_hash == ''
2798 || $rendered_html == ''
2799 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2800 || DI::config()->get('system', 'ignore_cache')
2802 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
2803 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2805 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2806 Hook::callAll('put_item_in_cache', $hook_data);
2807 $item['rendered-html'] = $hook_data['rendered-html'];
2808 $item['rendered-hash'] = $hook_data['rendered-hash'];
2811 // Update if the generated values differ from the existing ones
2812 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2815 'rendered-html' => $item['rendered-html'],
2816 'rendered-hash' => $item['rendered-hash']
2818 ['id' => $item['id']]
2823 $item['body'] = $body;
2827 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2828 * If attach is true, also add icons for item attachments.
2830 * @param array $item Record from item table
2831 * @param boolean $attach If true, add icons for item attachments as well
2832 * @param boolean $is_preview Whether this is a preview
2833 * @param boolean $only_cache Whether only cached HTML should be updated
2834 * @return string item body html
2835 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2836 * @throws \ImagickException
2837 * @hook prepare_body_init item array before any work
2838 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2839 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2840 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2842 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
2845 Hook::callAll('prepare_body_init', $item);
2847 // In order to provide theme developers more possibilities, event items
2848 // are treated differently.
2849 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2850 $ev = Event::getItemHTML($item);
2854 $tags = Tag::populateFromItem($item);
2856 $item['tags'] = $tags['tags'];
2857 $item['hashtags'] = $tags['hashtags'];
2858 $item['mentions'] = $tags['mentions'];
2860 $body = $item['body'] ?? '';
2861 $shared = BBCode::fetchShareAttributes($body);
2862 if (!empty($shared['guid'])) {
2863 $shared_item = Post::selectFirst(['uri-id', 'plink', 'has-media'], ['guid' => $shared['guid']]);
2864 $shared_uri_id = $shared_item['uri-id'] ?? 0;
2865 $shared_links = [strtolower($shared_item['plink'] ?? '')];
2866 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid'], [], $shared_item['has-media'] ?? false);
2867 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
2868 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
2869 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
2870 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
2876 $attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links, $item['has-media'] ?? false);
2877 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
2879 $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
2880 self::putInCache($item);
2881 $item['body'] = $body;
2882 $s = $item["rendered-html"];
2888 // Compile eventual content filter reasons
2889 $filter_reasons = [];
2890 if (!$is_preview && public_contact() != $item['author-id']) {
2891 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2892 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2895 $item['attachments'] = $attachments;
2899 'filter_reasons' => $filter_reasons
2901 Hook::callAll('prepare_body_content_filter', $hook_data);
2902 $filter_reasons = $hook_data['filter_reasons'];
2909 'preview' => $is_preview,
2910 'filter_reasons' => $filter_reasons
2912 Hook::callAll('prepare_body', $hook_data);
2913 $s = $hook_data['html'];
2917 // Replace the blockquotes with quotes that are used in mails.
2918 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2919 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2923 if (!empty($shared_attachments)) {
2924 $s = self::addVisualAttachments($shared_attachments, $item, $s, true);
2925 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, []);
2926 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
2927 $body = preg_replace("/\s*\[share .*?\].*?\[\/share\]\s*/ism", '', $body);
2930 $s = self::addVisualAttachments($attachments, $item, $s, false);
2931 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
2932 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
2933 $s = self::addQuestions($item, $s);
2936 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2937 $x = Map::byCoordinates(trim($item['coord']));
2939 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2943 // Replace friendica image url size with theme preference.
2944 if (!empty($a->getThemeInfoValue('item_image_size'))) {
2945 $ps = $a->getThemeInfoValue('item_image_size');
2946 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2949 $s = HTML::applyContentFilter($s, $filter_reasons);
2951 $hook_data = ['item' => $item, 'html' => $s];
2952 Hook::callAll('prepare_body_final', $hook_data);
2954 return $hook_data['html'];
2958 * Check if the body contains a link
2960 * @param string $body
2961 * @param string $url
2965 public static function containsLink(string $body, string $url, int $type = 0): bool
2967 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
2968 $urlparts = parse_url($url);
2969 if (!empty($urlparts)) {
2970 unset($urlparts['query']);
2971 unset($urlparts['fragment']);
2972 $url = (string)Uri::fromParts($urlparts);
2977 // Remove media links to only search in embedded content
2978 // @todo Check images for image link, audio for audio links, ...
2979 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
2980 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
2983 if (strpos($body, $url)) {
2986 foreach ([0, 1, 2] as $size) {
2987 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
2988 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
2996 * Replace visual attachments in the body
2998 * @param array $attachments
2999 * @param string $body
3000 * @return string modified body
3002 private static function replaceVisualAttachments(array $attachments, string $body): string
3004 DI::profiler()->startRecording('rendering');
3006 foreach ($attachments['visual'] as $attachment) {
3007 if (!empty($attachment['preview'])) {
3008 $proxy = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3009 $search = ['[img=' . $attachment['preview'] . ']', ']' . $attachment['preview'] . '[/img]'];
3010 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3012 $body = str_replace($search, $replace, $body);
3013 } elseif ($attachment['filetype'] == 'image') {
3014 $proxy = Post\Media::getUrlForId($attachment['id']);
3015 $search = ['[img=' . $attachment['url'] . ']', ']' . $attachment['url'] . '[/img]'];
3016 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3018 $body = str_replace($search, $replace, $body);
3021 DI::profiler()->stopRecording();
3026 * Add visual attachments to the content
3028 * @param array $attachments
3029 * @param array $item
3030 * @param string $content
3031 * @return string modified content
3033 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared): string
3035 DI::profiler()->startRecording('rendering');
3039 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
3040 foreach ($attachments['visual'] as $attachment) {
3041 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
3045 if (!empty($attachment['preview'])) {
3046 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3051 if (($attachment['filetype'] == 'video')) {
3052 /// @todo Move the template to /content as well
3053 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3055 'id' => $attachment['id'],
3056 'src' => $attachment['url'],
3057 'name' => $attachment['name'] ?: $attachment['url'],
3058 'preview' => $preview_url,
3059 'mime' => $attachment['mimetype'],
3062 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3065 $trailing .= $media;
3067 } elseif ($attachment['filetype'] == 'audio') {
3068 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3070 'id' => $attachment['id'],
3071 'src' => $attachment['url'],
3072 'name' => $attachment['name'] ?: $attachment['url'],
3073 'mime' => $attachment['mimetype'],
3076 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3079 $trailing .= $media;
3081 } elseif ($attachment['filetype'] == 'image') {
3082 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
3084 'src' => Post\Media::getUrlForId($attachment['id']),
3085 'preview' => Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE),
3086 'attachment' => $attachment,
3089 // On Diaspora posts the attached pictures are leading
3090 if ($item['network'] == Protocol::DIASPORA) {
3093 $trailing .= $media;
3099 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . BBCode::TOP_ANCHOR, $content);
3100 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>' . BBCode::BOTTOM_ANCHOR, $content);
3102 if ($leading != '') {
3103 $content = '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . $content;
3106 if ($trailing != '') {
3107 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3111 DI::profiler()->stopRecording();
3116 * Add link attachment to the content
3118 * @param array $attachments
3119 * @param string $body
3120 * @param string $content
3121 * @param bool $shared
3122 * @param array $ignore_links A list of URLs to ignore
3123 * @return string modified content
3125 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3127 DI::profiler()->startRecording('rendering');
3128 // Don't show a preview when there is a visual attachment (audio or video)
3129 $types = array_column($attachments['visual'], 'type');
3130 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
3132 if (!empty($attachments['link'])) {
3133 foreach ($attachments['link'] as $link) {
3135 foreach ($ignore_links as $ignore_link) {
3136 if (Strings::compareLink($link['url'], $ignore_link)) {
3140 // @todo Judge between the links to use the one with most information
3141 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
3142 (empty($attachment['name']) && !empty($link['name'])) ||
3143 (empty($attachment['description']) && !empty($link['description'])) ||
3144 (empty($attachment['preview']) && !empty($link['preview'])))) {
3145 $attachment = $link;
3150 if (!empty($attachment)) {
3153 'author_name' => $attachment['author-name'] ?? '',
3154 'author_url' => $attachment['author-url'] ?? '',
3155 'description' => $attachment['description'] ?? '',
3158 'provider_name' => $attachment['publisher-name'] ?? '',
3159 'provider_url' => $attachment['publisher-url'] ?? '',
3161 'title' => $attachment['name'] ?? '',
3163 'url' => $attachment['url']];
3165 if ($preview && !empty($attachment['preview'])) {
3166 if ($attachment['preview-width'] >= 500) {
3167 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3169 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3173 if (!empty($data['description']) && !empty($content)) {
3174 similar_text($data['description'], $content, $percent);
3179 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3180 $data['description'] = '';
3183 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3184 $data['author_name'] = '';
3187 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3188 $data['author_url'] = '';
3190 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3191 $data = BBCode::getAttachmentData($match[1]);
3193 DI::profiler()->stopRecording();
3195 if (isset($data['url']) && !in_array($data['url'], $ignore_links)) {
3196 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview'])) {
3197 $parts = parse_url($data['url']);
3198 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3199 if (empty($data['provider_name'])) {
3200 $data['provider_name'] = $parts['host'];
3202 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3203 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3205 if (!empty($parts['port'])) {
3206 $data['provider_url'] .= ':' . $parts['port'];
3211 // @todo Use a template
3212 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid);
3213 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3214 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3215 '$url' => $data['url'],
3216 '$title' => $data['title'],
3223 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3225 return $content . $rendered;
3232 * Add non visual attachments to the content
3234 * @param array $attachments
3235 * @param array $item
3236 * @param string $content
3237 * @return string modified content
3239 private static function addNonVisualAttachments(array $attachments, array $item, string $content): string
3241 DI::profiler()->startRecording('rendering');
3243 foreach ($attachments['additional'] as $attachment) {
3244 if (strpos($item['body'], $attachment['url'])) {
3248 $author = ['uid' => 0, 'id' => $item['author-id'],
3249 'network' => $item['author-network'], 'url' => $item['author-link']];
3250 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3252 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3254 if (!empty($attachment['size'])) {
3255 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3258 /// @todo Use a template
3259 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3260 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3263 if ($trailing != '') {
3264 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3267 DI::profiler()->stopRecording();
3271 private static function addQuestions(array $item, string $content): string
3273 DI::profiler()->startRecording('rendering');
3274 if (!empty($item['question-id'])) {
3276 'id' => $item['question-id'],
3277 'multiple' => $item['question-multiple'],
3278 'voters' => $item['question-voters'],
3279 'endtime' => $item['question-end-time']
3282 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3283 foreach ($options as $key => $option) {
3284 if ($question['voters'] > 0) {
3285 $percent = $option['replies'] / $question['voters'] * 100;
3286 $options[$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));
3288 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%1$d vote)', '%2$s (%1$d votes)', $option['replies'], $option['name'], );
3292 if (!empty($question['voters']) && !empty($question['endtime'])) {
3293 $summary = DI::l10n()->tt('%d voter. Poll end: %s', '%d voters. Poll end: %s', $question['voters'], Temporal::getRelativeDate($question['endtime']));
3294 } elseif (!empty($question['voters'])) {
3295 $summary = DI::l10n()->tt('%d voter.', '%d voters.', $question['voters']);
3296 } elseif (!empty($question['endtime'])) {
3297 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3302 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3303 '$question' => $question,
3304 '$options' => $options,
3305 '$summary' => $summary,
3308 DI::profiler()->stopRecording();
3313 * get private link for item
3315 * @param array $item
3316 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3317 * @throws \Exception
3319 public static function getPlink(array $item)
3321 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3322 $plink = $item['plink'];
3323 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3324 $plink = $item['uri'];
3329 'href' => "display/" . $item['guid'],
3330 'orig' => "display/" . $item['guid'],
3331 'title' => DI::l10n()->t('View on separate page'),
3332 'orig_title' => DI::l10n()->t('View on separate page'),
3335 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3336 $author = ['uid' => 0, 'id' => $item['author-id'],
3337 'network' => $item['author-network'], 'url' => $item['author-link']];
3338 $plink = Contact::magicLinkByContact($author, $plink);
3341 if (!empty($plink)) {
3342 $ret['href'] = DI::baseUrl()->remove($plink);
3343 $ret['title'] = DI::l10n()->t('Link to source');
3345 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3349 'title' => DI::l10n()->t('Link to source'),
3350 'orig_title' => DI::l10n()->t('Link to source'),
3360 * Does the given uri-id belongs to a post that is sent as starting post to a forum?
3362 * @param int $uri_id
3364 * @return boolean "true" when it is a forum post
3366 public static function isForumPost(int $uri_id): bool
3368 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION]) as $tag) {
3369 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3377 * Search item id for given URI or plink
3379 * @param string $uri
3380 * @param integer $uid
3382 * @return integer item id
3384 public static function searchByLink(string $uri, int $uid = 0): int
3386 $ssl_uri = str_replace('http://', 'https://', $uri);
3387 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3389 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3390 if (DBA::isResult($item)) {
3394 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3395 if (DBA::isResult($item)) {
3403 * Return the URI for a link to the post
3405 * @param string $uri URI or link to post
3407 * @return string URI
3409 public static function getURIByLink(string $uri): string
3411 $ssl_uri = str_replace('http://', 'https://', $uri);
3412 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3414 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3415 if (DBA::isResult($item)) {
3416 return $item['uri'];
3419 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3420 if (DBA::isResult($item)) {
3421 return $item['uri'];
3428 * Fetches item for given URI or plink
3430 * @param string $uri
3431 * @param integer $uid
3433 * @return integer item id
3435 public static function fetchByLink(string $uri, int $uid = 0): int
3437 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3438 $item_id = self::searchByLink($uri, $uid);
3439 if (!empty($item_id)) {
3440 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3450 Hook::callAll('item_by_link', $hookData);
3452 if (isset($hookData['item_id'])) {
3453 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3456 $fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri);
3459 $item_id = self::searchByLink($fetched_uri, $uid);
3461 $item_id = Diaspora::fetchByURL($uri);
3464 if (!empty($item_id)) {
3465 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3469 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3474 * Return share data from an item array (if the item is shared item)
3475 * We are providing the complete Item array, because at some time in the future
3476 * we hopefully will define these values not in the body anymore but in some item fields.
3477 * This function is meant to replace all similar functions in the system.
3479 * @param array $item
3481 * @return array with share information
3483 public static function getShareArray(array $item): array
3485 return BBCode::fetchShareAttributes($item['body']);
3489 * Fetch item information for shared items from the original items and adds it.
3491 * @param array $item
3493 * @return array item array with data from the original item
3495 public static function addShareDataFromOriginal(array $item): array
3497 $shared = self::getShareArray($item);
3498 if (empty($shared)) {
3502 // Real reshares always have got a GUID.
3503 if (empty($shared['guid'])) {
3507 $uid = $item['uid'] ?? 0;
3509 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3510 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3511 if (!DBA::isResult($shared_item)) {
3512 if (empty($shared['link'])) {
3516 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3517 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3519 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3523 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3524 if (!DBA::isResult($shared_item)) {
3527 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3529 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3532 if (!empty($shared_item['title'])) {
3533 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3534 unset($shared_item['title']);
3536 $body = $shared_item['body'];
3539 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . str_replace('$', '\$', $body) . '[/share]', $item['body']);
3540 unset($shared_item['body']);
3542 return array_merge($item, $shared_item);
3546 * Check a prospective item array against user-level permissions
3548 * @param array $item Expected keys: uri, gravity, and
3549 * author-link if is author-id is set,
3550 * owner-link if is owner-id is set,
3551 * causer-link if is causer-id is set.
3552 * @param int $user_id Local user ID
3554 * @throws \Exception
3556 protected static function isAllowedByUser(array $item, int $user_id): bool
3558 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3559 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3563 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3564 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3568 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3569 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3570 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3574 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3575 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3583 * Improve the data in shared posts
3585 * @param array $item
3586 * @return string body
3588 public static function improveSharedDataInBody(array $item): string
3590 $shared = BBCode::fetchShareAttributes($item['body']);
3591 if (empty($shared['link'])) {
3592 return $item['body'];
3595 $id = self::fetchByLink($shared['link']);
3596 Logger::info('Fetched shared post', ['uri-id' => $item['uri-id'], 'id' => $id, 'author' => $shared['profile'], 'url' => $shared['link'], 'guid' => $shared['guid'], 'callstack' => System::callstack()]);
3598 return $item['body'];
3601 $shared_item = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'title', 'body'], ['id' => $id]);
3602 if (!DBA::isResult($shared_item)) {
3603 return $item['body'];
3606 $shared_content = BBCode::getShareOpeningTag($shared_item['author-name'], $shared_item['author-link'], $shared_item['author-avatar'], $shared_item['plink'], $shared_item['created'], $shared_item['guid']);
3608 if (!empty($shared_item['title'])) {
3609 $shared_content .= '[h3]'.$shared_item['title'].'[/h3]'."\n";
3612 $shared_content .= $shared_item['body'];
3614 $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $shared_content . '[/share]', $item['body']);
3615 Logger::info('New shared data', ['uri-id' => $item['uri-id'], 'id' => $id, 'shared_item' => $shared_item]);
3616 return $item['body'];