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 LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
61 const PT_PERSONAL_NOTE = 128;
63 // Posting reasons (Why had a post been stored for a user?)
70 const PR_FOLLOWER = 69;
71 const PR_ANNOUNCEMENT = 70;
72 const PR_COMMENT = 71;
76 const PR_FETCHED = 75;
78 // system.accept_only_sharer setting values
79 const COMPLETION_NONE = 1;
80 const COMPLETION_COMMENT = 0;
81 const COMPLETION_LIKE = 2;
83 // Field list that is used to display the items
84 const DISPLAY_FIELDLIST = [
85 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
86 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
87 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
88 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
89 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
90 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
91 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-addr', 'author-uri-id',
92 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated',
93 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
94 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
95 'writable', 'self', 'cid', 'alias',
96 'event-created', 'event-edited', 'event-start', 'event-finish',
97 'event-summary', 'event-desc', 'event-location', 'event-type',
98 'event-nofinish', 'event-ignore', 'event-id',
99 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
100 'has-categories', 'has-media',
101 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
104 // Field list that is used to deliver items via the protocols
105 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
106 'parent-guid', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
107 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
108 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
109 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
110 'author-id', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
111 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
112 'thr-parent-id', 'parent-uri-id', 'postopts', 'pubmail',
113 'event-created', 'event-edited', 'event-start', 'event-finish',
114 'event-summary', 'event-desc', 'event-location', 'event-type',
115 'event-nofinish', 'event-ignore', 'event-id'];
117 // All fields in the item table
118 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
119 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
120 'contact-id', 'wall', 'gravity', 'extid', 'psid',
121 'created', 'edited', 'commented', 'received', 'changed', 'verb',
122 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
123 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
124 'private', 'pubmail', 'visible', 'starred',
125 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
126 'title', 'content-warning', 'body', 'location', 'coord', 'app',
127 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
128 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
129 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
131 // List of all verbs that don't need additional content data.
132 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
134 Activity::LIKE, Activity::DISLIKE,
135 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
144 * Update existing item entries
146 * @param array $fields The fields that are to be changed
147 * @param array $condition The condition for finding the item entries
149 * In the future we may have to change permissions as well.
150 * Then we had to add the user id as third parameter.
152 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
154 * @return integer|boolean number of affected rows - or "false" if there was an error
155 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
157 public static function update(array $fields, array $condition)
159 if (empty($condition) || empty($fields)) {
163 if (isset($fields['extid'])) {
164 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
167 if (!empty($fields['verb'])) {
168 $fields['vid'] = Verb::getID($fields['verb']);
171 if (!empty($fields['edited'])) {
172 $previous = Post::selectFirst(['edited'], $condition);
175 $rows = Post::update($fields, $condition);
176 if (is_bool($rows)) {
180 // We only need to call the line by line update for specific fields
181 if (empty($fields['body']) && empty($fields['file']) &&
182 empty($fields['attach']) && empty($fields['edited'])) {
186 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
188 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network'], $condition);
192 while ($item = DBA::fetch($items)) {
193 if (!empty($fields['body'])) {
194 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
196 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
198 // Remove all media attachments from the body and store them in the post-media table
199 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
200 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
201 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
203 if ($item['author-network'] != Protocol::DFRN) {
204 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body']);
207 Post\Content::update($item['uri-id'], $content_fields);
210 if (!empty($fields['file'])) {
211 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
214 if (!empty($fields['attach'])) {
215 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
218 // We only need to notfiy others when it is an original entry from us.
219 // Only call the notifier when the item had been edited and records had been changed.
220 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
221 $notify_items[] = $item['id'];
227 foreach ($notify_items as $notify_item) {
228 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
229 Worker::add(PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
236 * Delete an item and notify others about it - if it was ours
238 * @param array $condition The condition for finding the item entries
239 * @param integer $priority Priority for the notification
241 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
243 public static function markForDeletion(array $condition, int $priority = PRIORITY_HIGH)
245 $items = Post::select(['id'], $condition);
246 while ($item = Post::fetch($items)) {
247 self::markForDeletionById($item['id'], $priority);
253 * Delete an item for an user and notify others about it - if it was ours
255 * @param array $condition The condition for finding the item entries
256 * @param integer $uid User who wants to delete this item
258 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
260 public static function deleteForUser(array $condition, int $uid)
266 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
267 while ($item = Post::fetch($items)) {
268 if (in_array($item['uid'], [$uid, 0])) {
269 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
270 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
273 if ($item['uid'] == $uid) {
274 self::markForDeletionById($item['id'], PRIORITY_HIGH);
275 } elseif ($item['uid'] != 0) {
276 Logger::notice('Wrong ownership. Not deleting item', ['id' => $item['id']]);
283 * Mark an item for deletion, delete related data and notify others about it - if it was ours
285 * @param integer $item_id
286 * @param integer $priority Priority for the notification
287 * @return boolean success
288 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
290 public static function markForDeletionById(int $item_id, int $priority = PRIORITY_HIGH): bool
292 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
293 // locate item to be deleted
294 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
295 'deleted', 'resource-id', 'event-id',
296 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
297 $item = Post::selectFirst($fields, ['id' => $item_id]);
298 if (!DBA::isResult($item)) {
299 Logger::info('Item not found.', ['id' => $item_id]);
303 if ($item['deleted']) {
304 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
308 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
309 if (!DBA::isResult($parent)) {
310 $parent = ['origin' => false];
313 // clean up categories and tags so they don't end up as orphans
314 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
317 * If item is a link to a photo resource, nuke all the associated photos
318 * (visitors will not have photo resources)
319 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
320 * generate a resource-id and therefore aren't intimately linked to the item.
322 /// @TODO: this should first check if photo is used elsewhere
323 if (strlen($item['resource-id'])) {
324 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
327 // If item is a link to an event, delete the event.
328 if (intval($item['event-id'])) {
329 Event::delete($item['event-id']);
332 // If item has attachments, drop them
333 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
334 foreach($attachments as $attachment) {
335 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
336 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
340 // Set the item to "deleted"
341 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
342 Post::update($item_fields, ['id' => $item['id']]);
344 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
346 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
347 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
350 Post\DeliveryData::delete($item['uri-id']);
352 // If it's the parent of a comment thread, kill all the kids
353 if ($item['gravity'] == GRAVITY_PARENT) {
354 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
357 // Is it our comment and/or our thread?
358 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
359 // When we delete the original post we will delete all existing copies on the server as well
360 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
362 // send the notification upstream/downstream
364 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
366 } elseif ($item['uid'] != 0) {
367 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
368 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
371 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
377 * Get guid from given item record
379 * @param array $item Item record
380 * @param bool Whether to notify (?)
381 * @return string Guid
383 public static function guid(array $item, bool $notify): string
385 if (!empty($item['guid'])) {
386 return trim($item['guid']);
390 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
391 // We add the hash of our own host because our host is the original creator of the post.
392 $prefix_host = DI::baseUrl()->getHostname();
396 // We are only storing the post so we create a GUID from the original hostname.
397 if (!empty($item['author-link'])) {
398 $parsed = parse_url($item['author-link']);
399 if (!empty($parsed['host'])) {
400 $prefix_host = $parsed['host'];
404 if (empty($prefix_host) && !empty($item['plink'])) {
405 $parsed = parse_url($item['plink']);
406 if (!empty($parsed['host'])) {
407 $prefix_host = $parsed['host'];
411 if (empty($prefix_host) && !empty($item['uri'])) {
412 $parsed = parse_url($item['uri']);
413 if (!empty($parsed['host'])) {
414 $prefix_host = $parsed['host'];
418 // Is it in the format data@host.tld? - Used for mail contacts
419 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
420 $mailparts = explode('@', $item['author-link']);
421 $prefix_host = array_pop($mailparts);
425 if (!empty($item['plink'])) {
426 $guid = self::guidFromUri($item['plink'], $prefix_host);
427 } elseif (!empty($item['uri'])) {
428 $guid = self::guidFromUri($item['uri'], $prefix_host);
430 $guid = System::createUUID(hash('crc32', $prefix_host));
437 * Returns contact id from given item record
439 * @param array $item Item record
440 * @return int Contact id
442 private static function contactId(array $item): int
444 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
445 return $item['contact-id'];
446 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
447 return $item['contact-id'];
448 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
449 return $item['author-id'];
450 } elseif (!empty($item['contact-id'])) {
451 return $item['contact-id'];
453 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
454 if (!empty($contact_id)) {
458 return $item['author-id'];
462 * Write an item array into a spool file to be inserted later.
463 * This command is called whenever there are issues storing an item.
465 * @param array $item The item fields that are to be inserted
468 private static function spool(array $item)
470 // Now we store the data in the spool directory
471 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
472 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
474 $spoolpath = System::getSpoolPath();
475 if ($spoolpath != '') {
476 $spool = $spoolpath . '/' . $file;
478 file_put_contents($spool, json_encode($item));
479 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
484 * Check if the item array is a duplicate
486 * @param array $item Item record
487 * @return boolean is it a duplicate?
489 private static function isDuplicate(array $item): bool
491 // Checking if there is already an item with the same guid
492 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
493 if (Post::exists($condition)) {
494 Logger::notice('Found already existing item', $condition);
498 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
499 'network' => [$item['network'], Protocol::DFRN]];
500 if (Post::exists($condition)) {
501 Logger::notice('duplicated item with the same uri found.', $condition);
505 // On Friendica and Diaspora the GUID is unique
506 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
507 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
508 if (Post::exists($condition)) {
509 Logger::notice('duplicated item with the same guid found.', $condition);
512 } elseif ($item['network'] == Protocol::OSTATUS) {
513 // Check for an existing post with the same content. There seems to be a problem with OStatus.
514 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
515 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
516 if (Post::exists($condition)) {
517 Logger::notice('duplicated item with the same body found.', $item);
523 * Check for already added items.
524 * There is a timing issue here that sometimes creates double postings.
525 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
527 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
528 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
536 * Check if the item array is valid
538 * @param array $item Item record
539 * @return boolean item is valid
541 public static function isValid(array $item): bool
543 // When there is no content then we don't post it
544 if (($item['body'] . $item['title'] == '') && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
545 Logger::notice('No body, no title.');
549 if (!empty($item['uid'])) {
550 $owner = User::getOwnerDataById($item['uid'], false);
552 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
556 if ($owner['account_expired'] || $owner['account_removed']) {
557 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
562 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
563 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
567 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
568 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
572 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
573 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
577 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
578 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
582 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
586 if ($item['verb'] == Activity::FOLLOW) {
587 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
588 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
589 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
593 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
594 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
595 if (Post::exists($condition)) {
596 // It happens that we receive multiple follow requests by the same author - we only store one.
597 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
606 * Check if the item array is too old
608 * @param array $item Item record
609 * @return boolean item is too old
611 public static function isTooOld(array $item): bool
613 // check for create date and expire time
614 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
616 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
617 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
618 $expire_interval = $user['expire'];
621 if (($expire_interval > 0) && !empty($item['created'])) {
622 $expire_date = time() - ($expire_interval * 86400);
623 $created_date = strtotime($item['created']);
624 if ($created_date < $expire_date) {
625 Logger::notice('Item created before expiration interval.', [
626 'created' => date('c', $created_date),
627 'expired' => date('c', $expire_date),
638 * Return the id of the given item array if it has been stored before
640 * @param array $item Item record
641 * @return integer Item id or zero on error
643 private static function getDuplicateID(array $item): int
645 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
646 $condition = ['`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
649 Protocol::ACTIVITYPUB,
654 $existing = Post::selectFirst(['id', 'network'], $condition);
655 if (DBA::isResult($existing)) {
656 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
657 if ($item['uid'] != 0) {
658 Logger::notice('Item already existed for user', [
659 'uri-id' => $item['uri-id'],
660 'uid' => $item['uid'],
661 'network' => $item['network'],
662 'existing_id' => $existing['id'],
663 'existing_network' => $existing['network']
667 return $existing['id'];
674 * Fetch top-level parent data for the given item array
677 * @return array item array with parent data
680 private static function getTopLevelParent(array $item): array
682 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
683 'uri-id', 'parent-uri-id',
684 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
685 'wall', 'private', 'origin', 'author-id'];
686 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
687 $params = ['order' => ['id' => false]];
688 $parent = Post::selectFirst($fields, $condition, $params);
690 if (!DBA::isResult($parent) && $item['origin']) {
691 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid']);
692 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
693 $parent = Post::selectFirst($fields, $condition, $params);
696 if (!DBA::isResult($parent)) {
697 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
701 if ($parent['uri-id'] == $parent['parent-uri-id']) {
705 $condition = ['uri-id' => $parent['parent-uri-id'],
706 'parent-uri-id' => $parent['parent-uri-id'],
707 'uid' => $parent['uid']];
708 $params = ['order' => ['id' => false]];
709 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
711 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
712 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid']);
713 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
714 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
717 if (!DBA::isResult($toplevel_parent)) {
718 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
722 return $toplevel_parent;
726 * Get the gravity for the given item array
729 * @return integer gravity
731 private static function getGravity(array $item): int
733 $activity = DI::activity();
735 if (isset($item['gravity'])) {
736 return intval($item['gravity']);
737 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
738 return GRAVITY_PARENT;
739 } elseif ($activity->match($item['verb'], Activity::POST)) {
740 return GRAVITY_COMMENT;
741 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
742 return GRAVITY_ACTIVITY;
743 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
744 return GRAVITY_ACTIVITY;
747 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
748 return GRAVITY_UNKNOWN; // Should not happen
752 * Inserts item record
754 * @param array $item Item array to be inserted
755 * @param int $notify Notification (type?)
756 * @param bool $post_local (???)
757 * @return int Zero means error, otherwise primary key (id) is being returned
759 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
763 $priority = PRIORITY_HIGH;
765 // If it is a posting where users should get notifications, then define it as wall posting
769 $item['network'] = Protocol::DFRN;
770 $item['protocol'] = Conversation::PARCEL_DIRECT;
771 $item['direction'] = Conversation::PUSH;
773 if (is_int($notify) && in_array($notify, PRIORITIES)) {
777 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
780 $uid = intval($item['uid']);
782 $item['guid'] = self::guid($item, $notify);
783 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
786 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
788 // Backward compatibility: parent-uri used to be the direct parent uri.
789 // If it is provided without a thr-parent, it probably is the old behavior.
790 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
791 $item['parent-uri'] = $item['thr-parent'];
793 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
795 // Store conversation data
796 $item = Conversation::insert($item);
799 * Do we already have this item?
800 * We have to check several networks since Friendica posts could be repeated
801 * via OStatus (maybe Diasporsa as well)
803 $duplicate = self::getDuplicateID($item);
808 // Additional duplicate checks
809 /// @todo Check why the first duplication check returns the item number and the second a 0
810 if (self::isDuplicate($item)) {
814 if (!isset($item['post-type'])) {
815 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
818 $item['wall'] = intval($item['wall'] ?? 0);
819 $item['extid'] = trim($item['extid'] ?? '');
820 $item['author-name'] = trim($item['author-name'] ?? '');
821 $item['author-link'] = trim($item['author-link'] ?? '');
822 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
823 $item['owner-name'] = trim($item['owner-name'] ?? '');
824 $item['owner-link'] = trim($item['owner-link'] ?? '');
825 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
826 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
827 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
828 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
829 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
830 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
831 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
832 $item['location'] = trim($item['location'] ?? '');
833 $item['coord'] = trim($item['coord'] ?? '');
834 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
835 $item['deleted'] = 0;
836 $item['verb'] = trim($item['verb'] ?? '');
837 $item['object-type'] = trim($item['object-type'] ?? '');
838 $item['object'] = trim($item['object'] ?? '');
839 $item['target-type'] = trim($item['target-type'] ?? '');
840 $item['target'] = trim($item['target'] ?? '');
841 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
842 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
843 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
844 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
845 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
846 $item['private'] = intval($item['private'] ?? self::PUBLIC);
847 $item['body'] = trim($item['body'] ?? '');
848 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
849 $item['app'] = trim($item['app'] ?? '');
850 $item['origin'] = intval($item['origin'] ?? 0);
851 $item['postopts'] = trim($item['postopts'] ?? '');
852 $item['resource-id'] = trim($item['resource-id'] ?? '');
853 $item['event-id'] = intval($item['event-id'] ?? 0);
854 $item['inform'] = trim($item['inform'] ?? '');
855 $item['file'] = trim($item['file'] ?? '');
857 // Communities aren't working with the Diaspora protoccol
858 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
859 $user = User::getById($uid, ['account-type']);
860 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
861 Logger::info('Community posts are not supported via Diaspora');
866 // Items cannot be stored before they happen ...
867 if ($item['created'] > DateTimeFormat::utcNow()) {
868 $item['created'] = DateTimeFormat::utcNow();
871 // We haven't invented time travel by now.
872 if ($item['edited'] > DateTimeFormat::utcNow()) {
873 $item['edited'] = DateTimeFormat::utcNow();
876 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
878 $item['gravity'] = self::getGravity($item);
880 $item['language'] = self::getLanguage($item);
882 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
883 'photo' => $item['author-avatar'], 'network' => $item['network']];
884 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
886 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
887 'photo' => $item['owner-avatar'], 'network' => $item['network']];
888 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
890 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
891 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
892 $item['post-reason'] = self::PR_FOLLOWER;
895 // Ensure that there is an avatar cache
896 Contact::checkAvatarCache($item['author-id']);
897 Contact::checkAvatarCache($item['owner-id']);
899 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
900 $item['contact-id'] = self::contactId($item);
902 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
903 empty($item['origin']) &&self::isTooOld($item)) {
904 Logger::info('Item is too old', ['item' => $item]);
908 if (!self::isValid($item)) {
912 if ($item['gravity'] !== GRAVITY_PARENT) {
913 $toplevel_parent = self::getTopLevelParent($item);
914 if (empty($toplevel_parent)) {
918 // If the thread originated from this node, we check the permission against the thread starter
919 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
920 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
921 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
925 $parent_id = $toplevel_parent['id'];
926 $item['parent-uri'] = $toplevel_parent['uri'];
927 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
928 $item['deleted'] = $toplevel_parent['deleted'];
930 // Reshares have to keep their permissions to allow forums to work
931 if (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE)) {
932 $item['allow_cid'] = $toplevel_parent['allow_cid'];
933 $item['allow_gid'] = $toplevel_parent['allow_gid'];
934 $item['deny_cid'] = $toplevel_parent['deny_cid'];
935 $item['deny_gid'] = $toplevel_parent['deny_gid'];
938 $parent_origin = $toplevel_parent['origin'];
940 // Don't federate received participation messages
941 if ($item['verb'] != Activity::FOLLOW) {
942 $item['wall'] = $toplevel_parent['wall'];
944 $item['wall'] = false;
945 // Participations are technical messages, so they are set to "seen" automatically
946 $item['unseen'] = false;
950 * If the parent is private, force privacy for the entire conversation
951 * This differs from the above settings as it subtly allows comments from
952 * email correspondents to be private even if the overall thread is not.
954 if ($toplevel_parent['private']) {
955 $item['private'] = $toplevel_parent['private'];
958 // If its a post that originated here then tag the thread as "mention"
959 if ($item['origin'] && $item['uid']) {
960 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
961 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
964 // Update the contact relations
965 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
968 $parent_origin = $item['origin'];
971 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
972 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
974 // Is this item available in the global items (with uid=0)?
975 if ($item['uid'] == 0) {
976 $item['global'] = true;
978 // Set the global flag on all items if this was a global item entry
979 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
981 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
985 if (!empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
986 $item['private'] = self::PRIVATE;
989 if ($notify && $post_local) {
990 $item['edit'] = false;
991 $item['parent'] = $parent_id;
993 // Trigger automatic reactions for addons
994 if (!isset($item['api_source'])) {
995 $item['api_source'] = true;
998 // We have to tell the hooks who we are - this really should be improved
1000 $_SESSION['authenticated'] = true;
1001 $_SESSION['uid'] = $uid;
1002 $dummy_session = true;
1004 $dummy_session = false;
1007 Hook::callAll('post_local', $item);
1009 if ($dummy_session) {
1010 unset($_SESSION['authenticated']);
1011 unset($_SESSION['uid']);
1013 } elseif (!$notify) {
1014 Hook::callAll('post_remote', $item);
1017 if (!empty($item['cancel'])) {
1018 Logger::notice('post cancelled by addon.');
1022 if (empty($item['vid']) && !empty($item['verb'])) {
1023 $item['vid'] = Verb::getID($item['verb']);
1026 // Creates or assigns the permission set
1027 $item['psid'] = DI::permissionSet()->selectOrCreate(
1028 DI::permissionSetFactory()->createFromString(
1036 if (!empty($item['extid'])) {
1037 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1040 if ($item['verb'] == Activity::ANNOUNCE) {
1041 self::setOwnerforResharedItem($item);
1044 if (isset($item['attachments'])) {
1045 foreach ($item['attachments'] as $attachment) {
1046 $attachment['uri-id'] = $item['uri-id'];
1047 Post\Media::insert($attachment);
1049 unset($item['attachments']);
1052 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1054 // Remove all media attachments from the body and store them in the post-media table
1055 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1056 $item['raw-body'] = self::setHashtags($item['raw-body']);
1058 if (!DBA::exists('contact', ['id' => $item['author-id'], 'network' => Protocol::DFRN])) {
1059 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body']);
1062 // Check for hashtags in the body and repair or add hashtag links
1063 $item['body'] = self::setHashtags($item['body']);
1065 if (stristr($item['verb'], Activity::POKE)) {
1066 $notify_type = Delivery::POKE;
1068 $notify_type = Delivery::POST;
1071 // Filling item related side tables
1072 if (!empty($item['attach'])) {
1073 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1076 if (empty($item['event-id'])) {
1077 unset($item['event-id']);
1079 $ev = Event::fromBBCode($item['body']);
1080 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1081 Logger::info('Event found.');
1082 $ev['cid'] = $item['contact-id'];
1083 $ev['uid'] = $item['uid'];
1084 $ev['uri'] = $item['uri'];
1085 $ev['edited'] = $item['edited'];
1086 $ev['private'] = $item['private'];
1087 $ev['guid'] = $item['guid'];
1088 $ev['plink'] = $item['plink'];
1089 $ev['network'] = $item['network'];
1090 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1091 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1092 $ev['source'] = $item['source'] ?? '';
1094 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1095 if (DBA::isResult($event)) {
1096 $ev['id'] = $event['id'];
1099 $event_id = Event::store($ev);
1100 $item = Event::getItemArrayForImportedId($event_id, $item);
1102 Logger::info('Event was stored', ['id' => $event_id]);
1106 if (empty($item['causer-id'])) {
1107 unset($item['causer-id']);
1110 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1111 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1112 if (!empty($content_warning) && empty($item['content-warning'])) {
1113 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1117 Post::insert($item['uri-id'], $item);
1119 if ($item['gravity'] == GRAVITY_PARENT) {
1120 Post\Thread::insert($item['uri-id'], $item);
1123 if (!in_array($item['verb'], self::ACTIVITIES)) {
1124 Post\Content::insert($item['uri-id'], $item);
1127 // Create Diaspora signature
1128 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != GRAVITY_PARENT)) {
1129 $signed = Diaspora::createCommentSignature($item);
1130 if (!empty($signed)) {
1131 $item['diaspora_signed_text'] = json_encode($signed);
1135 if (!empty($item['diaspora_signed_text'])) {
1136 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1139 // Attached file links
1140 if (!empty($item['file'])) {
1141 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1144 // Delivery relevant data
1145 $delivery_data = Post\DeliveryData::extractFields($item);
1147 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1148 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1151 // Store tags from the body if this hadn't been handled previously in the protocol classes
1152 if (!Tag::existsForPost($item['uri-id'])) {
1153 Tag::storeFromBody($item['uri-id'], $item['body']);
1156 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1157 if (Post::exists($condition)) {
1158 Logger::notice('Item is already inserted - aborting', $condition);
1162 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1163 if (!$post_user_id) {
1164 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1168 if ($item['gravity'] == GRAVITY_PARENT) {
1169 $item['post-user-id'] = $post_user_id;
1170 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1173 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1175 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1176 if (!DBA::isResult($posted_item)) {
1177 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1178 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1179 self::spool($orig_item);
1183 // update the commented timestamp on the parent
1184 if (DI::config()->get('system', 'like_no_comment')) {
1185 // Update when it is a comment
1186 $update_commented = in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1188 // Update when it isn't a follow or tag verb
1189 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1192 if ($update_commented) {
1193 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1195 $fields = ['changed' => DateTimeFormat::utcNow()];
1198 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1200 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1201 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1202 // Get the user information for the logging
1203 $user = User::getById($uid);
1205 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1210 if (!\Friendica\Content\Feature::isEnabled($posted_item['uid'], 'explicit_mentions') && ($posted_item['gravity'] == GRAVITY_COMMENT)) {
1211 Tag::createImplicitMentions($posted_item['uri-id'], $posted_item['thr-parent-id']);
1213 Hook::callAll('post_local_end', $posted_item);
1215 Hook::callAll('post_remote_end', $posted_item);
1218 if ($posted_item['gravity'] === GRAVITY_PARENT) {
1219 self::addShadow($post_user_id);
1221 self::addShadowPost($post_user_id);
1224 self::updateContact($posted_item);
1226 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1228 // Distribute items to users who subscribed to their tags
1229 self::distributeByTags($posted_item);
1231 // Automatically reshare the item if the "remote_self" option is selected
1232 self::autoReshare($posted_item);
1234 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1237 // Don't relay participation messages
1238 if (($posted_item['verb'] == Activity::FOLLOW) &&
1239 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1240 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1246 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1249 // Fill the cache with the rendered content.
1250 if (in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1251 self::updateDisplayCache($posted_item['uri-id']);
1254 if ($posted_item['origin'] && ($posted_item['uid'] != 0) && in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT])) {
1255 DI::cache()->delete(ActivityPub\Transmitter::CACHEKEY_OUTBOX . $posted_item['uid']);
1258 return $post_user_id;
1262 * Update the display cache
1264 * @param integer $uri_id
1267 public static function updateDisplayCache(int $uri_id)
1269 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1270 self::prepareBody($item, false, false, true);
1274 * Change the owner of a parent item if it had been shared by a forum
1276 * (public) forum posts in the new format consist of the regular post by the author
1277 * followed by an announce message sent from the forum account.
1278 * Changing the owner helps in grouping forum posts.
1280 * @param array $item
1283 private static function setOwnerforResharedItem(array $item)
1285 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1286 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1287 if (!DBA::isResult($parent)) {
1288 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1292 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1293 if (!DBA::isResult($author)) {
1294 Logger::error('Author not found', ['id' => $item['author-id']]);
1298 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1299 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1301 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1302 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1303 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1307 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1308 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1309 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1313 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1314 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1319 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1320 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1324 * Distribute the given item to users who subscribed to their tags
1326 * @param array $item Processed item
1328 private static function distributeByTags(array $item)
1330 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1334 $uids = Tag::getUIDListByURIId($item['uri-id']);
1335 foreach ($uids as $uid) {
1336 if (Contact::isSharing($item['author-id'], $uid)) {
1339 $fields = ['post-reason' => self::PR_TAG];
1342 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1343 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1348 * Distributes public items to the receivers
1350 * @param integer $itemid Item ID that should be added
1351 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1352 * @throws \Exception
1354 public static function distribute(int $itemid, string $signed_text = '')
1356 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1357 $parent = Post::selectFirst(['owner-id'], $condition);
1358 if (!DBA::isResult($parent)) {
1359 Logger::warning('Item not found', ['condition' => $condition]);
1363 // Only distribute public items from native networks
1364 $condition = ['id' => $itemid, 'uid' => 0,
1365 'network' => array_merge(Protocol::FEDERATED ,['']),
1366 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1367 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1368 if (!DBA::isResult($item)) {
1369 Logger::warning('Item not found', ['condition' => $condition]);
1373 $origin = $item['origin'];
1377 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1378 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1379 if (!DBA::isResult($owner)) {
1383 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1384 $contacts = DBA::select('contact', ['uid'], $condition);
1385 while ($contact = DBA::fetch($contacts)) {
1386 if ($contact['uid'] == 0) {
1390 $users[$contact['uid']] = $contact['uid'];
1392 DBA::close($contacts);
1394 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1395 $contacts = DBA::select('contact', ['uid'], $condition);
1396 while ($contact = DBA::fetch($contacts)) {
1397 if ($contact['uid'] == 0) {
1401 $users[$contact['uid']] = $contact['uid'];
1403 DBA::close($contacts);
1405 if (!empty($owner['alias'])) {
1406 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1407 $contacts = DBA::select('contact', ['uid'], $condition);
1408 while ($contact = DBA::fetch($contacts)) {
1409 if ($contact['uid'] == 0) {
1413 $users[$contact['uid']] = $contact['uid'];
1415 DBA::close($contacts);
1420 if ($item['uri-id'] != $item['parent-uri-id']) {
1421 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1422 while ($parent = Post::fetch($parents)) {
1423 $users[$parent['uid']] = $parent['uid'];
1424 if ($parent['origin'] && !$origin) {
1425 $origin_uid = $parent['uid'];
1428 DBA::close($parents);
1431 foreach ($users as $uid) {
1432 if ($origin_uid == $uid) {
1433 $item['diaspora_signed_text'] = $signed_text;
1435 self::storeForUser($item, $uid);
1440 * Store a public item defined by their URI-ID for the given users
1442 * @param integer $uri_id URI-ID of the given item
1443 * @param integer $uid The user that will receive the item entry
1444 * @param array $fields Additional fields to be stored
1445 * @param integer $source_uid User id of the source post
1446 * @return integer stored item id
1448 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1450 if ($uid == $source_uid) {
1451 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1455 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => $source_uid]);
1456 if (!DBA::isResult($item)) {
1457 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1461 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1462 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']]);
1466 $item['post-reason'] = self::PR_STORED;
1468 $item = array_merge($item, $fields);
1470 $is_reshare = ($item['gravity'] == GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1472 if ((($item['gravity'] == GRAVITY_PARENT) || $is_reshare) &&
1473 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1474 !Contact::isSharingByURL($item['author-link'], $uid) &&
1475 !Contact::isSharingByURL($item['owner-link'], $uid)) {
1476 Logger::info('Contact is not a follower, thread will not be stored', ['author' => $item['author-link'], 'uid' => $uid]);
1480 if (($uri_id != $item['thr-parent-id']) && (($item['gravity'] == GRAVITY_COMMENT) || $is_reshare) && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1481 // Fetch the origin user for the post
1482 $origin_uid = self::GetOriginUidForUriId($item['thr-parent-id'], $uid);
1483 if (is_null($origin_uid)) {
1484 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $item['thr-parent-id']]);
1488 $causer = $item['causer-id'] ?: $item['author-id'];
1489 $result = self::storeForUserByUriId($item['thr-parent-id'], $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1490 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer, 'result' => $result]);
1493 $stored = self::storeForUser($item, $uid);
1494 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'source-uid' => $source_uid, 'stored' => $stored]);
1499 * Returns the origin uid of a post if the given user is allowed to see it.
1505 private static function GetOriginUidForUriId(int $uriid, int $uid)
1507 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1511 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1512 if (!empty($post)) {
1513 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1514 return $post['uid'];
1517 $pcid = Contact::getPublicIdByUserId($uid);
1522 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1523 if ($receiver == $pcid) {
1524 return $post['uid'];
1531 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1535 // When the post belongs to a a forum then all forum users are allowed to access it
1536 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1537 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1538 $target_uid = User::getIdForURL($tag['url']);
1539 if (!empty($target_uid)) {
1549 * Store a public item array for the given users
1551 * @param array $item The item entry that will be stored
1552 * @param integer $uid The user that will receive the item entry
1553 * @return integer stored item id
1554 * @throws \Exception
1556 private static function storeForUser(array $item, int $uid): int
1558 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1559 if (!empty($item['event-id'])) {
1560 $post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1561 if (!empty($post['event-id'])) {
1562 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish', 'adjust'], ['id' => $item['event-id']]);
1563 if (!empty($event)) {
1564 // We aren't using "Event::store" here, since we don't want to trigger any further action
1565 $ret = DBA::update('event', $event, ['id' => $post['event-id']]);
1566 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $post['event-id'], 'ret' => $ret]);
1570 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1574 // Data from the "post-user" table
1576 unset($item['mention']);
1577 unset($item['starred']);
1578 unset($item['unseen']);
1579 unset($item['psid']);
1580 unset($item['pinned']);
1581 unset($item['ignored']);
1582 unset($item['pubmail']);
1583 unset($item['event-id']);
1584 unset($item['hidden']);
1585 unset($item['notification-type']);
1586 unset($item['post-reason']);
1588 // Data from the "post-delivery-data" table
1589 unset($item['postopts']);
1590 unset($item['inform']);
1592 $item['uid'] = $uid;
1593 $item['origin'] = 0;
1596 if ($item['gravity'] == GRAVITY_PARENT) {
1597 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1599 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1602 if (!empty($contact['id'])) {
1603 $item['contact-id'] = $contact['id'];
1605 // Shouldn't happen at all
1606 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1607 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1608 if (!DBA::isResult($self)) {
1609 // Shouldn't happen even less
1610 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1613 $item['contact-id'] = $self['id'];
1617 if ($item['gravity'] == GRAVITY_PARENT) {
1618 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1619 if (DBA::isResult($contact)) {
1620 $notify = self::isRemoteSelf($contact, $item);
1624 $distributed = self::insert($item, $notify);
1626 if (!$distributed) {
1627 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1629 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1631 return $distributed;
1635 * Add a shadow entry for a given item id that is a thread starter
1637 * We store every public item entry additionally with the user id "0".
1638 * This is used for the community page and for the search.
1639 * It is planned that in the future we will store public item entries only once.
1641 * @param integer $itemid Item ID that should be added
1642 * @throws \Exception
1644 private static function addShadow(int $itemid)
1646 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1647 $condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
1648 $item = Post::selectFirst($fields, $condition);
1650 if (!DBA::isResult($item)) {
1654 // is it already a copy?
1655 if (($itemid == 0) || ($item['uid'] == 0)) {
1659 // Is it a visible public post?
1660 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1664 // is it an entry from a connector? Only add an entry for natively connected networks
1665 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1669 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1673 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1675 if (DBA::isResult($item)) {
1676 // Preparing public shadow (removing user specific data)
1679 unset($item['parent']);
1680 unset($item['wall']);
1681 unset($item['mention']);
1682 unset($item['origin']);
1683 unset($item['starred']);
1684 unset($item['postopts']);
1685 unset($item['inform']);
1686 unset($item['post-reason']);
1687 if ($item['uri-id'] == $item['parent-uri-id']) {
1688 $item['contact-id'] = $item['owner-id'];
1690 $item['contact-id'] = $item['author-id'];
1693 $public_shadow = self::insert($item);
1695 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1700 * Add a shadow entry for a given item id that is a comment
1702 * This function does the same like the function above - but for comments
1704 * @param integer $itemid Item ID that should be added
1705 * @throws \Exception
1707 private static function addShadowPost(int $itemid)
1709 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1710 if (!DBA::isResult($item)) {
1714 // Is it a toplevel post?
1715 if ($item['gravity'] == GRAVITY_PARENT) {
1716 self::addShadow($itemid);
1720 // Is this a shadow entry?
1721 if ($item['uid'] == 0) {
1725 // Is there a shadow parent?
1726 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1730 // Is there already a shadow entry?
1731 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1735 // Save "origin" and "parent" state
1736 $origin = $item['origin'];
1737 $parent = $item['parent'];
1739 // Preparing public shadow (removing user specific data)
1742 unset($item['parent']);
1743 unset($item['wall']);
1744 unset($item['mention']);
1745 unset($item['origin']);
1746 unset($item['starred']);
1747 unset($item['postopts']);
1748 unset($item['inform']);
1749 unset($item['post-reason']);
1750 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1752 $public_shadow = self::insert($item);
1754 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1756 // If this was a comment to a Diaspora post we don't get our comment back.
1757 // This means that we have to distribute the comment by ourselves.
1758 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1759 self::distribute($public_shadow);
1764 * Adds a language specification in a "language" element of given $arr.
1765 * Expects "body" element to exist in $arr.
1767 * @param array $item
1768 * @return string detected language
1769 * @throws \Text_LanguageDetect_Exception
1771 private static function getLanguage(array $item): string
1773 if (!empty($item['language'])) {
1774 return $item['language'];
1777 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1781 // Convert attachments to links
1782 $naked_body = BBCode::removeAttachment($item['body']);
1783 if (empty($naked_body)) {
1787 // Remove links and pictures
1788 $naked_body = BBCode::removeLinks($naked_body);
1790 // Convert the title and the body to plain text
1791 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1793 // Remove possibly remaining links
1794 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1796 if (empty($naked_body)) {
1800 $availableLanguages = DI::l10n()->getAvailableLanguages();
1801 // See https://github.com/friendica/friendica/issues/10511
1802 // Persian is manually added to language detection until a persian translation is provided for the interface, at
1803 // which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
1804 $availableLanguages['fa'] = 'fa';
1806 $ld = new Language(array_keys($availableLanguages));
1807 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1808 if (is_array($languages)) {
1809 return json_encode($languages);
1815 public static function getLanguageMessage(array $item): string
1817 $iso639 = new \Matriphe\ISO639\ISO639;
1819 $used_languages = '';
1820 foreach (json_decode($item['language'], true) as $language => $reliability) {
1821 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1823 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1824 return $used_languages;
1828 * Creates an unique guid out of a given uri.
1829 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
1830 * Posts that are created on this system are using System::createUUID.
1831 * Received ActivityPub posts are using Processor::getGUIDByURL.
1833 * @param string $uri uri of an item entry
1834 * @param string $host hostname for the GUID prefix
1835 * @return string unique guid
1837 public static function guidFromUri(string $uri, string $host): string
1839 // Our regular guid routine is using this kind of prefix as well
1840 // We have to avoid that different routines could accidentally create the same value
1841 $parsed = parse_url($uri);
1843 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1844 unset($parsed['scheme']);
1846 // Glue it together to be able to make a hash from it
1847 $host_id = implode('/', $parsed);
1849 // Use a mixture of several hashes to provide some GUID like experience
1850 return hash('crc32', $host) . '-'. hash('joaat', $host_id) . '-'. hash('fnv164', $host_id);
1854 * generate an unique URI
1856 * @param integer $uid User id
1857 * @param string $guid An existing GUID (Otherwise it will be generated)
1860 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1862 public static function newURI(int $uid, string $guid = ''): string
1865 $guid = System::createUUID();
1868 return DI::baseUrl()->get() . '/objects/' . $guid;
1872 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1874 * This can be used to filter for inactive contacts.
1875 * Only do this for public postings to avoid privacy problems, since poco data is public.
1876 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1878 * @param array $arr Contains the just posted item record
1879 * @throws \Exception
1881 private static function updateContact(array $arr)
1883 // Unarchive the author
1884 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1885 if (DBA::isResult($contact)) {
1886 Contact::unmarkForArchival($contact);
1889 // Unarchive the contact if it's not our own contact
1890 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1891 if (DBA::isResult($contact)) {
1892 Contact::unmarkForArchival($contact);
1895 /// @todo On private posts we could obfuscate the date
1896 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1898 // Is it a forum? Then we don't care about the rules from above
1899 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1900 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1906 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1907 // So we have to ensure to only update the last item when it had been our own post,
1908 // or it had been done by a "regular" contact.
1909 if (!empty($arr['wall'])) {
1910 $condition = ['id' => $arr['contact-id']];
1912 $condition = ['id' => $arr['contact-id'], 'self' => false];
1914 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1916 // Now do the same for the system wide contacts with uid=0
1917 if ($arr['private'] != self::PRIVATE) {
1918 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1919 ['id' => $arr['owner-id']]);
1921 if ($arr['owner-id'] != $arr['author-id']) {
1922 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1923 ['id' => $arr['author-id']]);
1928 public static function setHashtags(string $body): string
1930 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1931 $tags = BBCode::getTags($body);
1934 if (!count($tags)) {
1938 // This sorting is important when there are hashtags that are part of other hashtags
1939 // Otherwise there could be problems with hashtags like #test and #test2
1940 // Because of this we are sorting from the longest to the shortest tag.
1941 usort($tags, function ($a, $b) {
1942 return strlen($b) <=> strlen($a);
1945 $URLSearchString = "^\[\]";
1947 // All hashtags should point to the home server if "local_tags" is activated
1948 if (DI::config()->get('system', 'local_tags')) {
1949 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1950 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1953 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1954 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1956 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1959 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1961 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1964 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
1966 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1969 // Repair recursive urls
1970 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1973 foreach ($tags as $tag) {
1974 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1978 $basetag = str_replace('_', ' ', substr($tag, 1));
1979 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1981 $body = str_replace($tag, $newtag, $body);
1984 // Convert back the masked hashtags
1985 $body = str_replace("#", "#", $body);
1994 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1997 * @param int $item_id
1998 * @return boolean true if item was deleted, else false
1999 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2000 * @throws \ImagickException
2002 private static function tagDeliver(int $uid, int $item_id): bool
2006 $owner = User::getOwnerDataById($uid);
2007 if (!DBA::isResult($owner)) {
2008 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2012 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2013 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2017 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT], 'origin' => false]);
2018 if (!DBA::isResult($item)) {
2019 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2023 if ($item['gravity'] == GRAVITY_PARENT) {
2024 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2025 foreach ($tags as $tag) {
2026 if (Strings::compareLink($owner['url'], $tag['url'])) {
2028 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']]);
2033 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2034 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2038 $arr = ['item' => $item, 'user' => $owner];
2040 Hook::callAll('tagged', $arr);
2042 $tags = Tag::getByURIId($item['parent-uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2043 foreach ($tags as $tag) {
2044 if (Strings::compareLink($owner['url'], $tag['url'])) {
2046 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']]);
2051 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2056 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2058 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2060 $allow_gid = '<' . Group::FOLLOWERS . '>';
2063 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2065 self::performActivity($item['id'], 'announce', $uid);
2068 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2073 * Automatically reshare the item if the "remote_self" option is selected
2075 * @param array $item
2078 private static function autoReshare(array $item)
2080 if ($item['gravity'] != GRAVITY_PARENT) {
2084 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2088 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2092 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2094 self::performActivity($item['id'], 'announce', $item['uid']);
2097 public static function isRemoteSelf(array $contact, array &$datarray): bool
2099 if (!$contact['remote_self']) {
2103 // Prevent the forwarding of posts that are forwarded
2104 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2105 Logger::info('Already forwarded');
2109 // Prevent to forward already forwarded posts
2110 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2111 Logger::info('Already forwarded (second test)');
2115 // Only forward posts
2116 if ($datarray["verb"] != Activity::POST) {
2117 Logger::info('No post');
2121 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2122 Logger::info('Not public');
2126 $datarray2 = $datarray;
2127 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2128 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2129 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2130 ['uid' => $contact['uid'], 'self' => true]);
2131 if (DBA::isResult($self)) {
2132 $datarray['contact-id'] = $self["id"];
2134 $datarray['owner-name'] = $self["name"];
2135 $datarray['owner-link'] = $self["url"];
2136 $datarray['owner-avatar'] = $self["thumb"];
2138 $datarray['author-name'] = $datarray['owner-name'];
2139 $datarray['author-link'] = $datarray['owner-link'];
2140 $datarray['author-avatar'] = $datarray['owner-avatar'];
2142 unset($datarray['edited']);
2144 unset($datarray['network']);
2145 unset($datarray['owner-id']);
2146 unset($datarray['author-id']);
2149 if ($contact['network'] != Protocol::FEED) {
2150 $old_uri_id = $datarray["uri-id"] ?? 0;
2151 $datarray["guid"] = System::createUUID();
2152 unset($datarray["plink"]);
2153 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2154 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2155 $datarray["extid"] = Protocol::DFRN;
2156 $urlpart = parse_url($datarray2['author-link']);
2157 $datarray["app"] = $urlpart["host"];
2158 if (!empty($old_uri_id)) {
2159 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2162 unset($datarray["parent-uri"]);
2163 unset($datarray["thr-parent"]);
2165 $datarray['private'] = self::PUBLIC;
2169 if ($contact['network'] != Protocol::FEED) {
2170 // Store the original post
2171 $result = self::insert($datarray2);
2172 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2174 $datarray["app"] = "Feed";
2178 return (bool)$result;
2185 * @param array $item
2188 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2189 * @throws \ImagickException
2191 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2193 if (DI::config()->get('system', 'disable_embedded')) {
2197 Logger::info('check for photos');
2198 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2203 $img_start = strpos($orig_body, '[img');
2204 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2205 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2207 while (($img_st_close !== false) && ($img_len !== false)) {
2208 $img_st_close++; // make it point to AFTER the closing bracket
2209 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2211 Logger::info('found photo', ['image' => $image]);
2213 if (stristr($image, $site . '/photo/')) {
2214 // Only embed locally hosted photos
2216 $i = basename($image);
2217 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2218 $x = strpos($i, '-');
2221 $res = substr($i, $x + 1);
2222 $i = substr($i, 0, $x);
2223 $photo = Photo::getPhotoForUser($uid, $i, $res);
2224 if (DBA::isResult($photo)) {
2226 * Check to see if we should replace this photo link with an embedded image
2227 * 1. No need to do so if the photo is public
2228 * 2. If there's a contact-id provided, see if they're in the access list
2229 * for the photo. If so, embed it.
2230 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2231 * permissions, regardless of order but first check to see if they're an exact
2232 * match to save some processing overhead.
2234 if (self::hasPermissions($photo)) {
2236 $recips = self::enumeratePermissions($photo);
2237 if (in_array($cid, $recips)) {
2241 if (self::samePermissions($uid, $item, $photo)) {
2247 $photo_img = Photo::getImageForPhoto($photo);
2248 // If a custom width and height were specified, apply before embedding
2249 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2250 Logger::info('scaling photo');
2252 $width = intval($match[1]);
2253 $height = intval($match[2]);
2255 $photo_img->scaleDown(max($width, $height));
2258 $data = $photo_img->asString();
2259 $type = $photo_img->getType();
2261 Logger::info('replacing photo');
2262 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2263 Logger::debug('replaced', ['image' => $image]);
2269 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2270 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2271 if ($orig_body === false) {
2275 $img_start = strpos($orig_body, '[img');
2276 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2277 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2280 $new_body = $new_body . $orig_body;
2285 private static function hasPermissions(array $obj)
2287 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2288 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2291 // @TODO $uid is unused parameter
2292 private static function samePermissions($uid, array $obj1, array $obj2): bool
2294 // first part is easy. Check that these are exactly the same.
2295 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2296 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2297 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2298 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2302 // This is harder. Parse all the permissions and compare the resulting set.
2303 $recipients1 = self::enumeratePermissions($obj1);
2304 $recipients2 = self::enumeratePermissions($obj2);
2308 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2309 return ($recipients1 == $recipients2);
2313 * Returns an array of contact-ids that are allowed to see this object
2315 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2316 * @param bool $check_dead Prunes unavailable contacts from the result
2318 * @throws \Exception
2320 public static function enumeratePermissions(array $obj, bool $check_dead = false): array
2322 $aclFormater = DI::aclFormatter();
2324 $allow_people = $aclFormater->expand($obj['allow_cid']);
2325 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2326 $deny_people = $aclFormater->expand($obj['deny_cid']);
2327 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2328 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2329 $deny = array_unique(array_merge($deny_people, $deny_groups));
2330 $recipients = array_diff($recipients, $deny);
2334 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2336 if (!$uid || ($days < 1)) {
2340 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2341 $uid, GRAVITY_PARENT];
2344 * $expire_network_only = save your own wall posts
2345 * and just expire conversations started by others
2347 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2349 if ($expire_network_only) {
2350 $condition[0] .= " AND NOT `wall`";
2353 if ($network != "") {
2354 $condition[0] .= " AND `network` = ?";
2355 $condition[] = $network;
2358 $condition[0] .= " AND `received` < ?";
2359 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2361 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2363 if (!DBA::isResult($items)) {
2367 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2369 // Forcing expiring of items - but not notes and marked items
2371 $expire_items = true;
2374 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2375 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2376 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2380 $priority = DI::config()->get('system', 'expire-notify-priority');
2382 while ($item = Post::fetch($items)) {
2383 // don't expire filed items
2384 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2388 // Only expire posts, not photos and photo comments
2390 if (!$expire_photos && !empty($item['resource-id'])) {
2392 } elseif (!$expire_starred && intval($item['starred'])) {
2394 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2396 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2400 self::markForDeletionById($item['id'], $priority);
2405 Logger::notice('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2408 public static function firstPostDate(int $uid, bool $wall = false)
2410 $user = User::getById($uid, ['register_date']);
2415 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2416 $uid, $wall, $user['register_date']];
2417 $params = ['order' => ['received' => false]];
2418 $thread = Post::selectFirstThread(['received'], $condition, $params);
2419 if (DBA::isResult($thread)) {
2420 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2427 * add/remove activity to an item
2429 * Toggle activities as like,dislike,attend of an item
2431 * @param int $item_id
2432 * @param string $verb
2433 * Activity verb. One of
2434 * like, unlike, dislike, undislike, attendyes, unattendyes,
2435 * attendno, unattendno, attendmaybe, unattendmaybe,
2436 * announce, unannouce
2438 * @param string $allow_cid
2439 * @param string $allow_gid
2440 * @param string $deny_cid
2441 * @param string $deny_gid
2443 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2444 * @throws \ImagickException
2445 * @hook 'post_local_end'
2447 * 'post_id' => ID of posted item
2449 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
2455 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2457 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2458 if (!DBA::isResult($item)) {
2459 Logger::notice('like: unknown item', ['id' => $item_id]);
2463 $uri_id = $item['uri-id'];
2465 if (!in_array($item['uid'], [0, $uid])) {
2469 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2470 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2471 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2472 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2473 if (!DBA::isResult($item)) {
2474 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2480 // Retrieves the local post owner
2481 $owner = User::getOwnerDataById($uid);
2482 if (empty($owner)) {
2483 Logger::info('Empty owner for user', ['uid' => $uid]);
2487 // Retrieve the current logged in user's public contact
2488 $author_id = Contact::getIdForURL($owner['url']);
2489 if (empty($author_id)) {
2490 Logger::info('Empty public contact');
2498 $activity = Activity::LIKE;
2502 $activity = Activity::DISLIKE;
2506 $activity = Activity::ATTEND;
2510 $activity = Activity::ATTENDNO;
2513 case 'unattendmaybe':
2514 $activity = Activity::ATTENDMAYBE;
2518 $activity = Activity::FOLLOW;
2522 $activity = Activity::ANNOUNCE;
2525 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2529 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2531 // Enable activity toggling instead of on/off
2532 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2534 // Look for an existing verb row
2535 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2536 if ($event_verb_flag) {
2537 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2539 // Translate to the index based activity index
2541 foreach ($verbs as $verb) {
2542 $vids[] = Verb::getID($verb);
2545 $vids = Verb::getID($activity);
2548 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2549 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2550 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2552 if (DBA::isResult($like_item)) {
2554 * Truth table for existing activities
2556 * | Inputs || Outputs |
2557 * |----------------------------||-------------------|
2558 * | Mode | Event | Same verb || Delete? | Return? |
2559 * |--------|-------|-----------||---------|---------|
2560 * | create | Yes | Yes || No | Yes |
2561 * | create | Yes | No || Yes | No |
2562 * | create | No | Yes || No | Yes |
2563 * | create | No | No || N/A†|
2564 * | delete | Yes | Yes || Yes | N/A‡ |
2565 * | delete | Yes | No || No | N/A‡ |
2566 * | delete | No | Yes || Yes | N/A‡ |
2567 * | delete | No | No || N/A†|
2568 * |--------|-------|-----------||---------|---------|
2569 * | A | B | C || A xor C | !B or C |
2571 * †Can't happen: It's impossible to find an existing non-event activity without
2572 * the same verb because we are only looking for this single verb.
2574 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2576 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2577 self::markForDeletionById($like_item['id']);
2580 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2585 // No need to go further if we aren't creating anything
2586 if ($mode == 'delete') {
2590 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2593 'guid' => System::createUUID(),
2594 'uri' => self::newURI($item['uid']),
2595 'uid' => $item['uid'],
2596 'contact-id' => $owner['id'],
2597 'wall' => $item['wall'],
2599 'network' => Protocol::DFRN,
2600 'protocol' => Conversation::PARCEL_DIRECT,
2601 'direction' => Conversation::PUSH,
2602 'gravity' => GRAVITY_ACTIVITY,
2603 'parent' => $item['id'],
2604 'thr-parent' => $item['uri'],
2605 'owner-id' => $author_id,
2606 'author-id' => $author_id,
2607 'body' => $activity,
2608 'verb' => $activity,
2609 'object-type' => $objtype,
2610 'allow_cid' => $allow_cid ?? $item['allow_cid'],
2611 'allow_gid' => $allow_gid ?? $item['allow_gid'],
2612 'deny_cid' => $deny_cid ?? $item['deny_cid'],
2613 'deny_gid' => $deny_gid ?? $item['deny_gid'],
2618 $signed = Diaspora::createLikeSignature($uid, $new_item);
2619 if (!empty($signed)) {
2620 $new_item['diaspora_signed_text'] = json_encode($signed);
2623 $new_item_id = self::insert($new_item);
2625 // If the parent item isn't visible then set it to visible
2626 if (!$item['visible']) {
2627 self::update(['visible' => true], ['id' => $item['id']]);
2630 $new_item['id'] = $new_item_id;
2632 Hook::callAll('post_local_end', $new_item);
2638 * Fetch the SQL condition for the given user id
2640 * @param integer $owner_id User ID for which the permissions should be fetched
2641 * @return array condition
2643 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
2645 $local_user = local_user();
2646 $remote_user = Session::getRemoteContactID($owner_id);
2648 // default permissions - anonymous user
2649 $condition = ["`private` != ?", self::PRIVATE];
2651 if ($local_user && ($local_user == $owner_id)) {
2652 // Profile owner - everything is visible
2654 } elseif ($remote_user) {
2655 // Authenticated visitor - fetch the matching permissionsets
2656 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2658 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2659 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2660 self::PRIVATE, self::PRIVATE];
2661 $condition = array_merge($condition, $permissionSets->column('id'));
2669 * Get a permission SQL string for the given user
2671 * @param int $owner_id
2672 * @param string $table
2675 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
2677 $local_user = local_user();
2678 $remote_user = Session::getRemoteContactID($owner_id);
2680 if (!empty($table)) {
2681 $table = DBA::quoteIdentifier($table) . '.';
2685 * Construct permissions
2687 * default permissions - anonymous user
2689 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2691 // Profile owner - everything is visible
2692 if ($local_user && ($local_user == $owner_id)) {
2694 } elseif ($remote_user) {
2696 * Authenticated visitor. Unless pre-verified,
2697 * check that the contact belongs to this $owner_id
2698 * and load the groups the visitor belongs to.
2699 * If pre-verified, the caller is expected to have already
2700 * done this and passed the groups into this function.
2702 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2705 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2710 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2717 * get translated item type
2719 * @param array $item
2720 * @param \Friendica\Core\L10n $l10n
2723 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
2725 if (!empty($item['event-id'])) {
2726 return $l10n->t('event');
2727 } elseif (!empty($item['resource-id'])) {
2728 return $l10n->t('photo');
2729 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2730 return $l10n->t('activity');
2731 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2732 return $l10n->t('comment');
2735 return $l10n->t('post');
2739 * Sets the "rendered-html" field of the provided item
2741 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2743 * @param array $item
2745 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2746 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2748 private static function putInCache(&$item)
2750 // Save original body to prevent addons to modify it
2751 $body = $item['body'];
2753 $rendered_hash = $item['rendered-hash'] ?? '';
2754 $rendered_html = $item['rendered-html'] ?? '';
2756 if ($rendered_hash == ''
2757 || $rendered_html == ''
2758 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2759 || DI::config()->get('system', 'ignore_cache')
2761 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
2762 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2764 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2765 Hook::callAll('put_item_in_cache', $hook_data);
2766 $item['rendered-html'] = $hook_data['rendered-html'];
2767 $item['rendered-hash'] = $hook_data['rendered-hash'];
2770 // Update if the generated values differ from the existing ones
2771 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2774 'rendered-html' => $item['rendered-html'],
2775 'rendered-hash' => $item['rendered-hash']
2777 ['id' => $item['id']]
2782 $item['body'] = $body;
2786 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2787 * If attach is true, also add icons for item attachments.
2789 * @param array $item Record from item table
2790 * @param boolean $attach If true, add icons for item attachments as well
2791 * @param boolean $is_preview Whether this is a preview
2792 * @param boolean $only_cache Whether only cached HTML should be updated
2793 * @return string item body html
2794 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2795 * @throws \ImagickException
2796 * @hook prepare_body_init item array before any work
2797 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2798 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2799 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2801 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
2804 Hook::callAll('prepare_body_init', $item);
2806 // In order to provide theme developers more possibilities, event items
2807 // are treated differently.
2808 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2809 $ev = Event::getItemHTML($item);
2813 $tags = Tag::populateFromItem($item);
2815 $item['tags'] = $tags['tags'];
2816 $item['hashtags'] = $tags['hashtags'];
2817 $item['mentions'] = $tags['mentions'];
2819 $body = $item['body'] ?? '';
2820 $shared = BBCode::fetchShareAttributes($body);
2821 if (!empty($shared['guid'])) {
2822 $shared_item = Post::selectFirst(['uri-id', 'plink', 'has-media'], ['guid' => $shared['guid']]);
2823 $shared_uri_id = $shared_item['uri-id'] ?? 0;
2824 $shared_links = [strtolower($shared_item['plink'] ?? '')];
2825 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid'], [], $shared_item['has-media'] ?? false);
2826 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
2827 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
2828 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
2829 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
2834 $attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links, $item['has-media']);
2835 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
2837 $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
2838 self::putInCache($item);
2839 $item['body'] = $body;
2840 $s = $item["rendered-html"];
2846 // Compile eventual content filter reasons
2847 $filter_reasons = [];
2848 if (!$is_preview && public_contact() != $item['author-id']) {
2849 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2850 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2853 $item['attachments'] = $attachments;
2857 'filter_reasons' => $filter_reasons
2859 Hook::callAll('prepare_body_content_filter', $hook_data);
2860 $filter_reasons = $hook_data['filter_reasons'];
2867 'preview' => $is_preview,
2868 'filter_reasons' => $filter_reasons
2870 Hook::callAll('prepare_body', $hook_data);
2871 $s = $hook_data['html'];
2875 // Replace the blockquotes with quotes that are used in mails.
2876 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2877 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2881 if (!empty($shared_attachments)) {
2882 $s = self::addVisualAttachments($shared_attachments, $item, $s, true);
2883 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, []);
2884 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
2885 $body = preg_replace("/\s*\[share .*?\].*?\[\/share\]\s*/ism", '', $body);
2888 $s = self::addVisualAttachments($attachments, $item, $s, false);
2889 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
2890 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
2891 $s = self::addQuestions($item, $s);
2894 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2895 $x = Map::byCoordinates(trim($item['coord']));
2897 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2901 // Replace friendica image url size with theme preference.
2902 if (!empty($a->getThemeInfoValue('item_image_size'))) {
2903 $ps = $a->getThemeInfoValue('item_image_size');
2904 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2907 $s = HTML::applyContentFilter($s, $filter_reasons);
2909 $hook_data = ['item' => $item, 'html' => $s];
2910 Hook::callAll('prepare_body_final', $hook_data);
2912 return $hook_data['html'];
2916 * Check if the body contains a link
2918 * @param string $body
2919 * @param string $url
2923 public static function containsLink(string $body, string $url, int $type = 0): bool
2925 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
2926 $urlparts = parse_url($url);
2927 unset($urlparts['query']);
2928 unset($urlparts['fragment']);
2929 $url = Network::unparseURL($urlparts);
2931 // Remove media links to only search in embedded content
2932 // @todo Check images for image link, audio for audio links, ...
2933 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
2934 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
2937 if (strpos($body, $url)) {
2940 foreach ([0, 1, 2] as $size) {
2941 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
2942 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
2950 * Replace visual attachments in the body
2952 * @param array $attachments
2953 * @param string $body
2954 * @return string modified body
2956 private static function replaceVisualAttachments(array $attachments, string $body): string
2958 DI::profiler()->startRecording('rendering');
2960 foreach ($attachments['visual'] as $attachment) {
2961 if (!empty($attachment['preview'])) {
2962 $proxy = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
2963 $search = ['[img=' . $attachment['preview'] . ']', ']' . $attachment['preview'] . '[/img]'];
2964 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
2966 $body = str_replace($search, $replace, $body);
2967 } elseif ($attachment['filetype'] == 'image') {
2968 $proxy = Post\Media::getUrlForId($attachment['id']);
2969 $search = ['[img=' . $attachment['url'] . ']', ']' . $attachment['url'] . '[/img]'];
2970 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
2972 $body = str_replace($search, $replace, $body);
2975 DI::profiler()->stopRecording();
2980 * Add visual attachments to the content
2982 * @param array $attachments
2983 * @param array $item
2984 * @param string $content
2985 * @return string modified content
2987 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared): string
2989 DI::profiler()->startRecording('rendering');
2993 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
2994 foreach ($attachments['visual'] as $attachment) {
2995 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
2999 if (!empty($attachment['preview'])) {
3000 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3005 if (($attachment['filetype'] == 'video')) {
3006 /// @todo Move the template to /content as well
3007 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3009 'id' => $attachment['id'],
3010 'src' => $attachment['url'],
3011 'name' => $attachment['name'] ?: $attachment['url'],
3012 'preview' => $preview_url,
3013 'mime' => $attachment['mimetype'],
3016 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3019 $trailing .= $media;
3021 } elseif ($attachment['filetype'] == 'audio') {
3022 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3024 'id' => $attachment['id'],
3025 'src' => $attachment['url'],
3026 'name' => $attachment['name'] ?: $attachment['url'],
3027 'mime' => $attachment['mimetype'],
3030 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3033 $trailing .= $media;
3035 } elseif ($attachment['filetype'] == 'image') {
3036 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
3038 'src' => Post\Media::getUrlForId($attachment['id']),
3039 'preview' => Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE),
3040 'attachment' => $attachment,
3043 // On Diaspora posts the attached pictures are leading
3044 if ($item['network'] == Protocol::DIASPORA) {
3047 $trailing .= $media;
3053 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . BBCode::TOP_ANCHOR, $content);
3054 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>' . BBCode::BOTTOM_ANCHOR, $content);
3056 if ($leading != '') {
3057 $content = '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . $content;
3060 if ($trailing != '') {
3061 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3065 DI::profiler()->stopRecording();
3070 * Add link attachment to the content
3072 * @param array $attachments
3073 * @param string $body
3074 * @param string $content
3075 * @param bool $shared
3076 * @param array $ignore_links A list of URLs to ignore
3077 * @return string modified content
3079 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3081 DI::profiler()->startRecording('rendering');
3082 // Don't show a preview when there is a visual attachment (audio or video)
3083 $types = array_column($attachments['visual'], 'type');
3084 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
3086 if (!empty($attachments['link'])) {
3087 foreach ($attachments['link'] as $link) {
3089 foreach ($ignore_links as $ignore_link) {
3090 if (Strings::compareLink($link['url'], $ignore_link)) {
3094 // @todo Judge between the links to use the one with most information
3095 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
3096 (empty($attachment['name']) && !empty($link['name'])) ||
3097 (empty($attachment['description']) && !empty($link['description'])) ||
3098 (empty($attachment['preview']) && !empty($link['preview'])))) {
3099 $attachment = $link;
3104 if (!empty($attachment)) {
3107 'author_name' => $attachment['author-name'] ?? '',
3108 'author_url' => $attachment['author-url'] ?? '',
3109 'description' => $attachment['description'] ?? '',
3112 'provider_name' => $attachment['publisher-name'] ?? '',
3113 'provider_url' => $attachment['publisher-url'] ?? '',
3115 'title' => $attachment['name'] ?? '',
3117 'url' => $attachment['url']];
3119 if ($preview && !empty($attachment['preview'])) {
3120 if ($attachment['preview-width'] >= 500) {
3121 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3123 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3127 if (!empty($data['description']) && !empty($content)) {
3128 similar_text($data['description'], $content, $percent);
3133 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3134 $data['description'] = '';
3137 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3138 $data['author_name'] = '';
3141 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3142 $data['author_url'] = '';
3144 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3145 $data = BBCode::getAttachmentData($match[1]);
3147 DI::profiler()->stopRecording();
3149 if (isset($data['url']) && !in_array($data['url'], $ignore_links)) {
3150 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview'])) {
3151 $parts = parse_url($data['url']);
3152 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3153 if (empty($data['provider_name'])) {
3154 $data['provider_name'] = $parts['host'];
3156 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3157 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3159 if (!empty($parts['port'])) {
3160 $data['provider_url'] .= ':' . $parts['port'];
3165 // @todo Use a template
3166 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid);
3167 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3168 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3169 '$url' => $data['url'],
3170 '$title' => $data['title'],
3177 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3179 return $content . $rendered;
3186 * Add non visual attachments to the content
3188 * @param array $attachments
3189 * @param array $item
3190 * @param string $content
3191 * @return string modified content
3193 private static function addNonVisualAttachments(array $attachments, array $item, string $content): string
3195 DI::profiler()->startRecording('rendering');
3197 foreach ($attachments['additional'] as $attachment) {
3198 if (strpos($item['body'], $attachment['url'])) {
3202 $author = ['uid' => 0, 'id' => $item['author-id'],
3203 'network' => $item['author-network'], 'url' => $item['author-link']];
3204 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3206 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3208 if (!empty($attachment['size'])) {
3209 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3212 /// @todo Use a template
3213 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3214 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3217 if ($trailing != '') {
3218 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3221 DI::profiler()->stopRecording();
3225 private static function addQuestions(array $item, string $content): string
3227 DI::profiler()->startRecording('rendering');
3228 if (!empty($item['question-id'])) {
3230 'id' => $item['question-id'],
3231 'multiple' => $item['question-multiple'],
3232 'voters' => $item['question-voters'],
3233 'endtime' => $item['question-end-time']
3236 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3237 foreach ($options as $key => $option) {
3238 $percent = $question['voters'] ? ($option['replies'] / $question['voters'] * 100) : 0;
3240 $options[$key]['percent'] = $percent;
3242 if ($question['voters'] > 0) {
3243 $options[$key]['vote'] = DI::l10n()->t('%s (%d%s, %d votes)', $option['name'], round($percent, 1), '%', $option['replies']);
3245 $options[$key]['vote'] = DI::l10n()->t('%s (%d votes)', $option['name'], $option['replies']);
3249 if (!empty($question['voters']) && !empty($question['endtime'])) {
3250 $summary = DI::l10n()->t('%d voters. Poll end: %s', $question['voters'], Temporal::getRelativeDate($question['endtime']));
3251 } elseif (!empty($question['voters'])) {
3252 $summary = DI::l10n()->t('%d voters.', $question['voters']);
3253 } elseif (!empty($question['endtime'])) {
3254 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3259 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3260 '$question' => $question,
3261 '$options' => $options,
3262 '$summary' => $summary,
3265 DI::profiler()->stopRecording();
3270 * get private link for item
3272 * @param array $item
3273 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3274 * @throws \Exception
3276 public static function getPlink(array $item)
3278 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3279 $plink = $item['plink'];
3280 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3281 $plink = $item['uri'];
3286 'href' => "display/" . $item['guid'],
3287 'orig' => "display/" . $item['guid'],
3288 'title' => DI::l10n()->t('View on separate page'),
3289 'orig_title' => DI::l10n()->t('View on separate page'),
3292 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3293 $author = ['uid' => 0, 'id' => $item['author-id'],
3294 'network' => $item['author-network'], 'url' => $item['author-link']];
3295 $plink = Contact::magicLinkByContact($author, $plink);
3298 if (!empty($plink)) {
3299 $ret['href'] = DI::baseUrl()->remove($plink);
3300 $ret['title'] = DI::l10n()->t('Link to source');
3302 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3306 'title' => DI::l10n()->t('Link to source'),
3307 'orig_title' => DI::l10n()->t('Link to source'),
3317 * Does the given uri-id belongs to a post that is sent as starting post to a forum?
3319 * @param int $uri_id
3321 * @return boolean "true" when it is a forum post
3323 public static function isForumPost(int $uri_id): bool
3325 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION]) as $tag) {
3326 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3334 * Search item id for given URI or plink
3336 * @param string $uri
3337 * @param integer $uid
3339 * @return integer item id
3341 public static function searchByLink(string $uri, int $uid = 0): int
3343 $ssl_uri = str_replace('http://', 'https://', $uri);
3344 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3346 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3347 if (DBA::isResult($item)) {
3351 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3352 if (DBA::isResult($item)) {
3360 * Return the URI for a link to the post
3362 * @param string $uri URI or link to post
3364 * @return string URI
3366 public static function getURIByLink(string $uri): string
3368 $ssl_uri = str_replace('http://', 'https://', $uri);
3369 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3371 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3372 if (DBA::isResult($item)) {
3373 return $item['uri'];
3376 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3377 if (DBA::isResult($item)) {
3378 return $item['uri'];
3385 * Fetches item for given URI or plink
3387 * @param string $uri
3388 * @param integer $uid
3390 * @return integer item id
3392 public static function fetchByLink(string $uri, int $uid = 0): int
3394 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3395 $item_id = self::searchByLink($uri, $uid);
3396 if (!empty($item_id)) {
3397 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3407 Hook::callAll('item_by_link', $hookData);
3409 if (isset($hookData['item_id'])) {
3410 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3413 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3414 $item_id = self::searchByLink($fetched_uri, $uid);
3416 $item_id = Diaspora::fetchByURL($uri);
3419 if (!empty($item_id)) {
3420 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3424 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3429 * Return share data from an item array (if the item is shared item)
3430 * We are providing the complete Item array, because at some time in the future
3431 * we hopefully will define these values not in the body anymore but in some item fields.
3432 * This function is meant to replace all similar functions in the system.
3434 * @param array $item
3436 * @return array with share information
3438 public static function getShareArray(array $item): array
3440 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3444 $attribute_string = $matches[2];
3445 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3446 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3447 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3448 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3455 * Fetch item information for shared items from the original items and adds it.
3457 * @param array $item
3459 * @return array item array with data from the original item
3461 public static function addShareDataFromOriginal(array $item): array
3463 $shared = self::getShareArray($item);
3464 if (empty($shared)) {
3468 // Real reshares always have got a GUID.
3469 if (empty($shared['guid'])) {
3473 $uid = $item['uid'] ?? 0;
3475 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3476 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3477 if (!DBA::isResult($shared_item)) {
3478 if (empty($shared['link'])) {
3482 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3483 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3485 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3489 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3490 if (!DBA::isResult($shared_item)) {
3493 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3495 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3498 if (!empty($shared_item['title'])) {
3499 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3500 unset($shared_item['title']);
3502 $body = $shared_item['body'];
3505 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . str_replace('$', '\$', $body) . '[/share]', $item['body']);
3506 unset($shared_item['body']);
3508 return array_merge($item, $shared_item);
3512 * Check a prospective item array against user-level permissions
3514 * @param array $item Expected keys: uri, gravity, and
3515 * author-link if is author-id is set,
3516 * owner-link if is owner-id is set,
3517 * causer-link if is causer-id is set.
3518 * @param int $user_id Local user ID
3520 * @throws \Exception
3522 protected static function isAllowedByUser(array $item, int $user_id): bool
3524 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3525 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3529 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3530 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3534 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3535 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3536 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3540 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3541 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3549 * Improve the data in shared posts
3551 * @param array $item
3552 * @return string body
3554 public static function improveSharedDataInBody(array $item): string
3556 $shared = BBCode::fetchShareAttributes($item['body']);
3557 if (empty($shared['link'])) {
3558 return $item['body'];
3561 $id = self::fetchByLink($shared['link']);
3562 Logger::info('Fetched shared post', ['uri-id' => $item['uri-id'], 'id' => $id, 'author' => $shared['profile'], 'url' => $shared['link'], 'guid' => $shared['guid'], 'callstack' => System::callstack()]);
3564 return $item['body'];
3567 $shared_item = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'title', 'body'], ['id' => $id]);
3568 if (!DBA::isResult($shared_item)) {
3569 return $item['body'];
3572 $shared_content = BBCode::getShareOpeningTag($shared_item['author-name'], $shared_item['author-link'], $shared_item['author-avatar'], $shared_item['plink'], $shared_item['created'], $shared_item['guid']);
3574 if (!empty($shared_item['title'])) {
3575 $shared_content .= '[h3]'.$shared_item['title'].'[/h3]'."\n";
3578 $shared_content .= $shared_item['body'];
3580 $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $shared_content . '[/share]', $item['body']);
3581 Logger::info('New shared data', ['uri-id' => $item['uri-id'], 'id' => $id, 'shared_item' => $shared_item]);
3582 return $item['body'];