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\Protocol\Activity;
37 use Friendica\Protocol\ActivityPub;
38 use Friendica\Protocol\Diaspora;
39 use Friendica\Util\DateTimeFormat;
40 use Friendica\Util\Map;
41 use Friendica\Util\Network;
42 use Friendica\Util\Proxy;
43 use Friendica\Util\Strings;
44 use Friendica\Util\Temporal;
45 use Friendica\Worker\Delivery;
46 use GuzzleHttp\Psr7\Uri;
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;
77 const PR_COMPLETION = 76;
79 const PR_ACTIVITY = 78;
80 const PR_DISTRIBUTE = 79;
84 // system.accept_only_sharer setting values
85 const COMPLETION_NONE = 1;
86 const COMPLETION_COMMENT = 0;
87 const COMPLETION_LIKE = 2;
89 // Field list that is used to display the items
90 const DISPLAY_FIELDLIST = [
91 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
92 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri', 'conversation',
93 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
94 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
95 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
96 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
97 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-addr', 'author-uri-id',
98 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated',
99 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
100 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
101 'writable', 'self', 'cid', 'alias',
102 'event-created', 'event-edited', 'event-start', 'event-finish',
103 'event-summary', 'event-desc', 'event-location', 'event-type',
104 'event-nofinish', 'event-ignore', 'event-id',
105 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
106 'has-categories', 'has-media',
107 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
110 // Field list that is used to deliver items via the protocols
111 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
112 'parent-guid', 'conversation', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
113 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
114 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
115 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
116 'author-id', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
117 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
118 'thr-parent-id', 'parent-uri-id', 'postopts', 'pubmail',
119 'event-created', 'event-edited', 'event-start', 'event-finish',
120 'event-summary', 'event-desc', 'event-location', 'event-type',
121 'event-nofinish', 'event-ignore', 'event-id'];
123 // All fields in the item table
124 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
125 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'conversation', 'vid',
126 'contact-id', 'wall', 'gravity', 'extid', 'psid',
127 'created', 'edited', 'commented', 'received', 'changed', 'verb',
128 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
129 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
130 'private', 'pubmail', 'visible', 'starred',
131 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
132 'title', 'content-warning', 'body', 'location', 'coord', 'app',
133 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
134 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
135 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
137 // List of all verbs that don't need additional content data.
138 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
140 Activity::LIKE, Activity::DISLIKE,
141 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
150 * Update existing item entries
152 * @param array $fields The fields that are to be changed
153 * @param array $condition The condition for finding the item entries
155 * In the future we may have to change permissions as well.
156 * Then we had to add the user id as third parameter.
158 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
160 * @return integer|boolean number of affected rows - or "false" if there was an error
161 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
163 public static function update(array $fields, array $condition)
165 if (empty($condition) || empty($fields)) {
169 if (isset($fields['extid'])) {
170 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
173 if (!empty($fields['verb'])) {
174 $fields['vid'] = Verb::getID($fields['verb']);
177 if (!empty($fields['edited'])) {
178 $previous = Post::selectFirst(['edited'], $condition);
181 $rows = Post::update($fields, $condition);
182 if (is_bool($rows)) {
186 // We only need to call the line by line update for specific fields
187 if (empty($fields['body']) && empty($fields['file']) &&
188 empty($fields['attach']) && empty($fields['edited'])) {
192 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
194 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network'], $condition);
198 while ($item = DBA::fetch($items)) {
199 if (!empty($fields['body'])) {
200 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
202 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
204 // Remove all media attachments from the body and store them in the post-media table
205 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
206 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
207 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
209 if ($item['author-network'] != Protocol::DFRN) {
210 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body']);
213 Post\Content::update($item['uri-id'], $content_fields);
216 if (!empty($fields['file'])) {
217 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
220 if (!empty($fields['attach'])) {
221 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
224 // We only need to notfiy others when it is an original entry from us.
225 // Only call the notifier when the item had been edited and records had been changed.
226 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
227 $notify_items[] = $item['id'];
233 foreach ($notify_items as $notify_item) {
234 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
235 Worker::add(PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
242 * Delete an item and notify others about it - if it was ours
244 * @param array $condition The condition for finding the item entries
245 * @param integer $priority Priority for the notification
247 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
249 public static function markForDeletion(array $condition, int $priority = PRIORITY_HIGH)
251 $items = Post::select(['id'], $condition);
252 while ($item = Post::fetch($items)) {
253 self::markForDeletionById($item['id'], $priority);
259 * Delete an item for an user and notify others about it - if it was ours
261 * @param array $condition The condition for finding the item entries
262 * @param integer $uid User who wants to delete this item
264 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
266 public static function deleteForUser(array $condition, int $uid)
272 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
273 while ($item = Post::fetch($items)) {
274 if (in_array($item['uid'], [$uid, 0])) {
275 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
276 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
279 if ($item['uid'] == $uid) {
280 self::markForDeletionById($item['id'], PRIORITY_HIGH);
281 } elseif ($item['uid'] != 0) {
282 Logger::warning('Wrong ownership. Not deleting item', ['id' => $item['id']]);
289 * Mark an item for deletion, delete related data and notify others about it - if it was ours
291 * @param integer $item_id
292 * @param integer $priority Priority for the notification
293 * @return boolean success
294 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
296 public static function markForDeletionById(int $item_id, int $priority = PRIORITY_HIGH): bool
298 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
299 // locate item to be deleted
300 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
301 'deleted', 'resource-id', 'event-id',
302 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
303 $item = Post::selectFirst($fields, ['id' => $item_id]);
304 if (!DBA::isResult($item)) {
305 Logger::info('Item not found.', ['id' => $item_id]);
309 if ($item['deleted']) {
310 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
314 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
315 if (!DBA::isResult($parent)) {
316 $parent = ['origin' => false];
319 // clean up categories and tags so they don't end up as orphans
320 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
323 * If item is a link to a photo resource, nuke all the associated photos
324 * (visitors will not have photo resources)
325 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
326 * generate a resource-id and therefore aren't intimately linked to the item.
328 /// @TODO: this should first check if photo is used elsewhere
329 if (strlen($item['resource-id'])) {
330 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
333 // If item is a link to an event, delete the event.
334 if (intval($item['event-id'])) {
335 Event::delete($item['event-id']);
338 // If item has attachments, drop them
339 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
340 foreach($attachments as $attachment) {
341 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
342 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
346 // Set the item to "deleted"
347 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
348 Post::update($item_fields, ['id' => $item['id']]);
350 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
352 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
353 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
356 Post\DeliveryData::delete($item['uri-id']);
358 // If it's the parent of a comment thread, kill all the kids
359 if ($item['gravity'] == GRAVITY_PARENT) {
360 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
363 // Is it our comment and/or our thread?
364 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
365 // When we delete the original post we will delete all existing copies on the server as well
366 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
368 // send the notification upstream/downstream
370 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
372 } elseif ($item['uid'] != 0) {
373 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
374 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
377 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
383 * Get guid from given item record
385 * @param array $item Item record
386 * @param bool Whether to notify (?)
387 * @return string Guid
389 public static function guid(array $item, bool $notify): string
391 if (!empty($item['guid'])) {
392 return trim($item['guid']);
396 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
397 // We add the hash of our own host because our host is the original creator of the post.
398 $prefix_host = DI::baseUrl()->getHostname();
402 // We are only storing the post so we create a GUID from the original hostname.
403 if (!empty($item['author-link'])) {
404 $parsed = parse_url($item['author-link']);
405 if (!empty($parsed['host'])) {
406 $prefix_host = $parsed['host'];
410 if (empty($prefix_host) && !empty($item['plink'])) {
411 $parsed = parse_url($item['plink']);
412 if (!empty($parsed['host'])) {
413 $prefix_host = $parsed['host'];
417 if (empty($prefix_host) && !empty($item['uri'])) {
418 $parsed = parse_url($item['uri']);
419 if (!empty($parsed['host'])) {
420 $prefix_host = $parsed['host'];
424 // Is it in the format data@host.tld? - Used for mail contacts
425 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
426 $mailparts = explode('@', $item['author-link']);
427 $prefix_host = array_pop($mailparts);
431 if (!empty($item['plink'])) {
432 $guid = self::guidFromUri($item['plink'], $prefix_host);
433 } elseif (!empty($item['uri'])) {
434 $guid = self::guidFromUri($item['uri'], $prefix_host);
436 $guid = System::createUUID(hash('crc32', $prefix_host));
443 * Returns contact id from given item record
445 * @param array $item Item record
446 * @return int Contact id
448 private static function contactId(array $item): int
450 if ($item['uid'] == 0) {
451 return $item['author-id'];
454 if ($item['origin']) {
455 $owner = User::getOwnerDataById($item['uid']);
459 if (!empty($item['causer-id']) && Contact::isSharing($item['causer-id'], $item['uid'], true)) {
460 $cdata = Contact::getPublicAndUserContactID($item['causer-id'], $item['uid']);
461 if (!empty($cdata['user'])) {
462 return $cdata['user'];
466 if ($item['gravity'] == GRAVITY_PARENT) {
467 if (Contact::isSharingByURL($item['owner-link'], $item['uid'], true)) {
468 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
470 $contact_id = Contact::getIdForURL($item['owner-link']);
472 if (!empty($contact_id)) {
477 if (Contact::isSharingByURL($item['author-link'], $item['uid'], true)) {
478 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
480 $contact_id = Contact::getIdForURL($item['author-link']);
483 if (!empty($contact_id)) {
487 Logger::warning('contact-id could not be fetched, using self contact instead.', ['uid' => $item['uid'], 'item' => $item]);
488 $self = Contact::selectFirst(['id'], ['self' => true, 'uid' => $item['uid']]);
493 * Write an item array into a spool file to be inserted later.
494 * This command is called whenever there are issues storing an item.
496 * @param array $item The item fields that are to be inserted
499 private static function spool(array $item)
501 // Now we store the data in the spool directory
502 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
503 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
505 $spoolpath = System::getSpoolPath();
506 if ($spoolpath != '') {
507 $spool = $spoolpath . '/' . $file;
509 file_put_contents($spool, json_encode($item));
510 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
515 * Check if the item array is a duplicate
517 * @param array $item Item record
518 * @return boolean is it a duplicate?
520 private static function isDuplicate(array $item): bool
522 // Checking if there is already an item with the same guid
523 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
524 if (Post::exists($condition)) {
525 Logger::notice('Found already existing item', $condition);
529 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
530 'network' => [$item['network'], Protocol::DFRN]];
531 if (Post::exists($condition)) {
532 Logger::notice('duplicated item with the same uri found.', $condition);
536 // On Friendica and Diaspora the GUID is unique
537 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
538 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
539 if (Post::exists($condition)) {
540 Logger::notice('duplicated item with the same guid found.', $condition);
543 } elseif ($item['network'] == Protocol::OSTATUS) {
544 // Check for an existing post with the same content. There seems to be a problem with OStatus.
545 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
546 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
547 if (Post::exists($condition)) {
548 Logger::notice('duplicated item with the same body found.', $item);
554 * Check for already added items.
555 * There is a timing issue here that sometimes creates double postings.
556 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
558 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
559 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
567 * Check if the item array is valid
569 * @param array $item Item record
570 * @return boolean item is valid
572 public static function isValid(array $item): bool
574 // When there is no content then we don't post it
575 if (($item['body'] . $item['title'] == '') && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
576 Logger::notice('No body, no title.');
580 if (!empty($item['uid'])) {
581 $owner = User::getOwnerDataById($item['uid'], false);
583 Logger::warning('Missing item user owner data', ['uid' => $item['uid']]);
587 if ($owner['account_expired'] || $owner['account_removed']) {
588 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
593 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
594 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
598 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
599 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
603 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
604 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
608 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
609 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
613 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
617 if ($item['verb'] == Activity::FOLLOW) {
618 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
619 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
620 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
624 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
625 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
626 if (Post::exists($condition)) {
627 // It happens that we receive multiple follow requests by the same author - we only store one.
628 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
637 * Check if the item array is too old
639 * @param array $item Item record
640 * @return boolean item is too old
642 public static function isTooOld(array $item): bool
644 // check for create date and expire time
645 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
647 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
648 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
649 $expire_interval = $user['expire'];
652 if (($expire_interval > 0) && !empty($item['created'])) {
653 $expire_date = time() - ($expire_interval * 86400);
654 $created_date = strtotime($item['created']);
655 if ($created_date < $expire_date) {
656 Logger::notice('Item created before expiration interval.', [
657 'created' => date('c', $created_date),
658 'expired' => date('c', $expire_date),
669 * Return the id of the given item array if it has been stored before
671 * @param array $item Item record
672 * @return integer Item id or zero on error
674 private static function getDuplicateID(array $item): int
676 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
677 $condition = ['`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
680 Protocol::ACTIVITYPUB,
685 $existing = Post::selectFirst(['id', 'network'], $condition);
686 if (DBA::isResult($existing)) {
687 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
688 if ($item['uid'] != 0) {
689 Logger::notice('Item already existed for user', [
690 'uri-id' => $item['uri-id'],
691 'uid' => $item['uid'],
692 'network' => $item['network'],
693 'existing_id' => $existing['id'],
694 'existing_network' => $existing['network']
698 return $existing['id'];
705 * Fetch the uri-id of the parent for the given uri-id
707 * @param integer $uriid
710 public static function getParent(int $uriid): int
712 $thread_parent = Post::selectFirstPost(['thr-parent-id', 'gravity'], ['uri-id' => $uriid]);
713 if (empty($thread_parent)) {
717 if ($thread_parent['gravity'] == GRAVITY_PARENT) {
721 return self::getParent($thread_parent['thr-parent-id']);
725 * Fetch top-level parent data for the given item array
728 * @return array item array with parent data
731 private static function getTopLevelParent(array $item): array
733 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
734 'uri-id', 'parent-uri-id',
735 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
736 'wall', 'private', 'origin', 'author-id'];
737 $condition = ['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => $item['uid']];
738 $params = ['order' => ['id' => false]];
739 $parent = Post::selectFirst($fields, $condition, $params);
741 if (!DBA::isResult($parent) && Post::exists(['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => 0])) {
742 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
743 if (!$stored && ($item['thr-parent-id'] != $item['parent-uri-id'])) {
744 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
747 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
748 $parent = Post::selectFirst($fields, $condition, $params);
752 if (!DBA::isResult($parent)) {
753 Logger::notice('item parent was not found - ignoring item', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'callstack' => System::callstack(20)]);
757 if ($parent['uri-id'] == $parent['parent-uri-id']) {
761 $condition = ['uri-id' => $parent['parent-uri-id'],
762 'parent-uri-id' => $parent['parent-uri-id'],
763 'uid' => $parent['uid']];
764 $params = ['order' => ['id' => false]];
765 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
767 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
768 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
769 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
770 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
773 if (!DBA::isResult($toplevel_parent)) {
774 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
778 return $toplevel_parent;
782 * Get the gravity for the given item array
785 * @return integer gravity
787 private static function getGravity(array $item): int
789 $activity = DI::activity();
791 if (isset($item['gravity'])) {
792 return intval($item['gravity']);
793 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
794 return GRAVITY_PARENT;
795 } elseif ($activity->match($item['verb'], Activity::POST)) {
796 return GRAVITY_COMMENT;
797 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
798 return GRAVITY_ACTIVITY;
799 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
800 return GRAVITY_ACTIVITY;
803 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
804 return GRAVITY_UNKNOWN; // Should not happen
808 * Inserts item record
810 * @param array $item Item array to be inserted
811 * @param int $notify Notification (type?)
812 * @param bool $post_local (???)
813 * @return int Zero means error, otherwise primary key (id) is being returned
815 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
819 $priority = PRIORITY_HIGH;
821 // If it is a posting where users should get notifications, then define it as wall posting
825 $item['network'] = Protocol::DFRN;
826 $item['protocol'] = Conversation::PARCEL_DIRECT;
827 $item['direction'] = Conversation::PUSH;
829 if (is_int($notify) && in_array($notify, PRIORITIES)) {
833 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
836 $uid = intval($item['uid']);
838 $item['guid'] = self::guid($item, $notify);
839 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['guid']), 0, 255);
842 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
844 // Backward compatibility: parent-uri used to be the direct parent uri.
845 // If it is provided without a thr-parent, it probably is the old behavior.
846 if (empty($item['thr-parent']) || empty($item['parent-uri'])) {
847 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
848 $item['parent-uri'] = $item['thr-parent'];
851 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
852 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
854 // Store conversation data
855 $source = $item['source'] ?? '';
856 unset($item['conversation-uri']);
857 unset($item['conversation-href']);
858 unset($item['source']);
861 * Do we already have this item?
862 * We have to check several networks since Friendica posts could be repeated
863 * via OStatus (maybe Diasporsa as well)
865 $duplicate = self::getDuplicateID($item);
870 // Additional duplicate checks
871 /// @todo Check why the first duplication check returns the item number and the second a 0
872 if (self::isDuplicate($item)) {
876 if (!isset($item['post-type'])) {
877 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
880 $item['wall'] = intval($item['wall'] ?? 0);
881 $item['extid'] = trim($item['extid'] ?? '');
882 $item['author-name'] = trim($item['author-name'] ?? '');
883 $item['author-link'] = trim($item['author-link'] ?? '');
884 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
885 $item['owner-name'] = trim($item['owner-name'] ?? '');
886 $item['owner-link'] = trim($item['owner-link'] ?? '');
887 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
888 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
889 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
890 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
891 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
892 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
893 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
894 $item['location'] = trim($item['location'] ?? '');
895 $item['coord'] = trim($item['coord'] ?? '');
896 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
897 $item['deleted'] = 0;
898 $item['verb'] = trim($item['verb'] ?? '');
899 $item['object-type'] = trim($item['object-type'] ?? '');
900 $item['object'] = trim($item['object'] ?? '');
901 $item['target-type'] = trim($item['target-type'] ?? '');
902 $item['target'] = trim($item['target'] ?? '');
903 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
904 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
905 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
906 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
907 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
908 $item['private'] = intval($item['private'] ?? self::PUBLIC);
909 $item['body'] = trim($item['body'] ?? '');
910 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
911 $item['app'] = trim($item['app'] ?? '');
912 $item['origin'] = intval($item['origin'] ?? 0);
913 $item['postopts'] = trim($item['postopts'] ?? '');
914 $item['resource-id'] = trim($item['resource-id'] ?? '');
915 $item['event-id'] = intval($item['event-id'] ?? 0);
916 $item['inform'] = trim($item['inform'] ?? '');
917 $item['file'] = trim($item['file'] ?? '');
919 // Communities aren't working with the Diaspora protoccol
920 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
921 $user = User::getById($uid, ['account-type']);
922 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
923 Logger::info('Community posts are not supported via Diaspora');
928 // Items cannot be stored before they happen ...
929 if ($item['created'] > DateTimeFormat::utcNow()) {
930 $item['created'] = DateTimeFormat::utcNow();
933 // We haven't invented time travel by now.
934 if ($item['edited'] > DateTimeFormat::utcNow()) {
935 $item['edited'] = DateTimeFormat::utcNow();
938 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
940 $item['gravity'] = self::getGravity($item);
942 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
943 'photo' => $item['author-avatar'], 'network' => $item['network']];
944 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
946 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
947 'photo' => $item['owner-avatar'], 'network' => $item['network']];
948 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
950 $item['post-reason'] = self::getPostReason($item);
952 // Ensure that there is an avatar cache
953 Contact::checkAvatarCache($item['author-id']);
954 Contact::checkAvatarCache($item['owner-id']);
956 $item['contact-id'] = self::contactId($item);
958 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
959 empty($item['origin']) && self::isTooOld($item)) {
960 Logger::info('Item is too old', ['item' => $item]);
964 if (!self::isValid($item)) {
968 if ($item['gravity'] !== GRAVITY_PARENT) {
969 $toplevel_parent = self::getTopLevelParent($item);
970 if (empty($toplevel_parent)) {
974 // If the thread originated from this node, we check the permission against the thread starter
975 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
976 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
977 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
981 $parent_id = $toplevel_parent['id'];
982 $item['parent-uri'] = $toplevel_parent['uri'];
983 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
984 $item['deleted'] = $toplevel_parent['deleted'];
986 // Reshares have to keep their permissions to allow forums to work
987 if (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE)) {
988 $item['allow_cid'] = $toplevel_parent['allow_cid'];
989 $item['allow_gid'] = $toplevel_parent['allow_gid'];
990 $item['deny_cid'] = $toplevel_parent['deny_cid'];
991 $item['deny_gid'] = $toplevel_parent['deny_gid'];
994 $parent_origin = $toplevel_parent['origin'];
996 // Don't federate received participation messages
997 if ($item['verb'] != Activity::FOLLOW) {
998 $item['wall'] = $toplevel_parent['wall'];
1000 $item['wall'] = false;
1001 // Participations are technical messages, so they are set to "seen" automatically
1002 $item['unseen'] = false;
1006 * If the parent is private, force privacy for the entire conversation
1007 * This differs from the above settings as it subtly allows comments from
1008 * email correspondents to be private even if the overall thread is not.
1010 if ($toplevel_parent['private']) {
1011 $item['private'] = $toplevel_parent['private'];
1014 // If its a post that originated here then tag the thread as "mention"
1015 if ($item['origin'] && $item['uid']) {
1016 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1017 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1020 // Update the contact relations
1021 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1024 $parent_origin = $item['origin'];
1026 if ($item['wall'] && empty($item['conversation'])) {
1027 $item['conversation'] = $item['parent-uri'] . '#context';
1031 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1032 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1034 if (!empty($item['conversation']) && empty($item['conversation-id'])) {
1035 $item['conversation-id'] = ItemURI::getIdByURI($item['conversation']);
1038 // Is this item available in the global items (with uid=0)?
1039 if ($item['uid'] == 0) {
1040 $item['global'] = true;
1042 // Set the global flag on all items if this was a global item entry
1043 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
1045 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
1049 if (!empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
1050 $item['private'] = self::PRIVATE;
1053 if ($notify && $post_local) {
1054 $item['edit'] = false;
1055 $item['parent'] = $parent_id;
1057 // Trigger automatic reactions for addons
1058 if (!isset($item['api_source'])) {
1059 $item['api_source'] = true;
1062 // We have to tell the hooks who we are - this really should be improved
1063 if (!local_user()) {
1064 $_SESSION['authenticated'] = true;
1065 $_SESSION['uid'] = $uid;
1066 $dummy_session = true;
1068 $dummy_session = false;
1071 Hook::callAll('post_local', $item);
1073 if ($dummy_session) {
1074 unset($_SESSION['authenticated']);
1075 unset($_SESSION['uid']);
1077 } elseif (!$notify) {
1078 Hook::callAll('post_remote', $item);
1081 if (!empty($item['cancel'])) {
1082 Logger::notice('post cancelled by addon.');
1086 if (empty($item['vid']) && !empty($item['verb'])) {
1087 $item['vid'] = Verb::getID($item['verb']);
1090 // Creates or assigns the permission set
1091 $item['psid'] = DI::permissionSet()->selectOrCreate(
1092 DI::permissionSetFactory()->createFromString(
1100 if (!empty($item['extid'])) {
1101 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1104 if ($item['verb'] == Activity::ANNOUNCE) {
1105 self::setOwnerforResharedItem($item);
1108 if (isset($item['attachments'])) {
1109 foreach ($item['attachments'] as $attachment) {
1110 $attachment['uri-id'] = $item['uri-id'];
1111 Post\Media::insert($attachment);
1113 unset($item['attachments']);
1116 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1118 // Remove all media attachments from the body and store them in the post-media table
1119 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1120 $item['raw-body'] = self::setHashtags($item['raw-body']);
1122 if (!DBA::exists('contact', ['id' => $item['author-id'], 'network' => Protocol::DFRN])) {
1123 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body']);
1126 // Check for hashtags in the body and repair or add hashtag links
1127 $item['body'] = self::setHashtags($item['body']);
1129 $item['language'] = self::getLanguage($item);
1131 $notify_type = Delivery::POST;
1133 // Filling item related side tables
1134 if (!empty($item['attach'])) {
1135 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1138 if (empty($item['event-id'])) {
1139 unset($item['event-id']);
1141 $ev = Event::fromBBCode($item['body']);
1142 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1143 Logger::info('Event found.');
1144 $ev['cid'] = $item['contact-id'];
1145 $ev['uid'] = $item['uid'];
1146 $ev['uri'] = $item['uri'];
1147 $ev['edited'] = $item['edited'];
1148 $ev['private'] = $item['private'];
1149 $ev['guid'] = $item['guid'];
1150 $ev['plink'] = $item['plink'];
1151 $ev['network'] = $item['network'];
1152 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1153 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1154 $ev['source'] = $item['source'] ?? '';
1156 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1157 if (DBA::isResult($event)) {
1158 $ev['id'] = $event['id'];
1161 $event_id = Event::store($ev);
1162 $item = Event::getItemArrayForImportedId($event_id, $item);
1164 Logger::info('Event was stored', ['id' => $event_id]);
1168 if (empty($item['causer-id'])) {
1169 unset($item['causer-id']);
1172 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1173 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1174 if (!empty($content_warning) && empty($item['content-warning'])) {
1175 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1179 Post::insert($item['uri-id'], $item);
1181 if ($item['gravity'] == GRAVITY_PARENT) {
1182 Post\Thread::insert($item['uri-id'], $item);
1185 if (!in_array($item['verb'], self::ACTIVITIES)) {
1186 Post\Content::insert($item['uri-id'], $item);
1189 // Create Diaspora signature
1190 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != GRAVITY_PARENT)) {
1191 $signed = Diaspora::createCommentSignature($item);
1192 if (!empty($signed)) {
1193 $item['diaspora_signed_text'] = json_encode($signed);
1197 if (!empty($item['diaspora_signed_text'])) {
1198 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1201 // Attached file links
1202 if (!empty($item['file'])) {
1203 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1206 // Delivery relevant data
1207 $delivery_data = Post\DeliveryData::extractFields($item);
1209 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1210 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1213 // Store tags from the body if this hadn't been handled previously in the protocol classes
1214 if (!Tag::existsForPost($item['uri-id'])) {
1215 Tag::storeFromBody($item['uri-id'], $item['body']);
1218 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1219 if (Post::exists($condition)) {
1220 Logger::notice('Item is already inserted - aborting', $condition);
1224 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1225 if (!$post_user_id) {
1226 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1230 if ($item['gravity'] == GRAVITY_PARENT) {
1231 $item['post-user-id'] = $post_user_id;
1232 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1235 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1237 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1238 if (!DBA::isResult($posted_item)) {
1239 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1240 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1241 self::spool($orig_item);
1245 // update the commented timestamp on the parent
1246 if (DI::config()->get('system', 'like_no_comment')) {
1247 // Update when it is a comment
1248 $update_commented = in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1250 // Update when it isn't a follow or tag verb
1251 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1254 if ($update_commented) {
1255 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1257 $fields = ['changed' => DateTimeFormat::utcNow()];
1260 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1262 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1263 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1264 // Get the user information for the logging
1265 $user = User::getById($uid);
1267 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1272 if (!\Friendica\Content\Feature::isEnabled($posted_item['uid'], 'explicit_mentions') && ($posted_item['gravity'] == GRAVITY_COMMENT)) {
1273 Tag::createImplicitMentions($posted_item['uri-id'], $posted_item['thr-parent-id']);
1275 Hook::callAll('post_local_end', $posted_item);
1277 Hook::callAll('post_remote_end', $posted_item);
1280 if ($posted_item['gravity'] === GRAVITY_PARENT) {
1281 self::addShadow($post_user_id);
1283 self::addShadowPost($post_user_id);
1286 self::updateContact($posted_item);
1288 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1290 // Distribute items to users who subscribed to their tags
1291 self::distributeByTags($posted_item);
1293 // Automatically reshare the item if the "remote_self" option is selected
1294 self::autoReshare($posted_item);
1296 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1299 // Don't relay participation messages
1300 if (($posted_item['verb'] == Activity::FOLLOW) &&
1301 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1302 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1308 if (!empty($source)) {
1309 Post\Activity::insert($item['uri-id'], $source);
1311 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1314 // Fill the cache with the rendered content.
1315 if (in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1316 self::updateDisplayCache($posted_item['uri-id']);
1319 return $post_user_id;
1323 * Fetch the post reason for a given item array
1325 * @param array $item
1329 public static function getPostReason(array $item): int
1331 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1332 if (empty($item['origin']) && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1333 return self::PR_FOLLOWER;
1336 if (!empty($item['origin']) && empty($item['post-reason'])) {
1337 return self::PR_LOCAL;
1340 return $item['post-reason'] ?? self::PR_NONE;
1344 * Update the display cache
1346 * @param integer $uri_id
1349 public static function updateDisplayCache(int $uri_id)
1351 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1352 self::prepareBody($item, false, false, true);
1356 * Change the owner of a parent item if it had been shared by a forum
1358 * (public) forum posts in the new format consist of the regular post by the author
1359 * followed by an announce message sent from the forum account.
1360 * Changing the owner helps in grouping forum posts.
1362 * @param array $item
1365 private static function setOwnerforResharedItem(array $item)
1367 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1368 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1369 if (!DBA::isResult($parent)) {
1370 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1374 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1375 if (!DBA::isResult($author)) {
1376 Logger::error('Author not found', ['id' => $item['author-id']]);
1380 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1381 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1383 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1384 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1385 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1389 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1390 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1391 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1395 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1396 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1401 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1402 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1406 * Distribute the given item to users who subscribed to their tags
1408 * @param array $item Processed item
1410 private static function distributeByTags(array $item)
1412 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1416 $uids = Tag::getUIDListByURIId($item['uri-id']);
1417 foreach ($uids as $uid) {
1418 $stored = self::storeForUserByUriId($item['uri-id'], $uid, ['post-reason' => self::PR_TAG]);
1419 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1424 * Distributes public items to the receivers
1426 * @param integer $itemid Item ID that should be added
1427 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1428 * @throws \Exception
1430 public static function distribute(int $itemid, string $signed_text = '')
1432 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1433 $parent = Post::selectFirst(['owner-id'], $condition);
1434 if (!DBA::isResult($parent)) {
1435 Logger::warning('Item not found', ['condition' => $condition]);
1439 // Only distribute public items from native networks
1440 $condition = ['id' => $itemid, 'uid' => 0,
1441 'network' => array_merge(Protocol::FEDERATED ,['']),
1442 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1443 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), $condition);
1444 if (!DBA::isResult($item)) {
1445 Logger::warning('Item not found', ['condition' => $condition]);
1449 $origin = $item['origin'];
1453 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1454 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1455 if (!DBA::isResult($owner)) {
1459 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1460 $contacts = DBA::select('contact', ['uid'], $condition);
1461 while ($contact = DBA::fetch($contacts)) {
1462 if ($contact['uid'] == 0) {
1466 $users[$contact['uid']] = $contact['uid'];
1468 DBA::close($contacts);
1470 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1471 $contacts = DBA::select('contact', ['uid'], $condition);
1472 while ($contact = DBA::fetch($contacts)) {
1473 if ($contact['uid'] == 0) {
1477 $users[$contact['uid']] = $contact['uid'];
1479 DBA::close($contacts);
1481 if (!empty($owner['alias'])) {
1482 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1483 $contacts = DBA::select('contact', ['uid'], $condition);
1484 while ($contact = DBA::fetch($contacts)) {
1485 if ($contact['uid'] == 0) {
1489 $users[$contact['uid']] = $contact['uid'];
1491 DBA::close($contacts);
1496 if ($item['uri-id'] != $item['parent-uri-id']) {
1497 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1498 while ($parent = Post::fetch($parents)) {
1499 $users[$parent['uid']] = $parent['uid'];
1500 if ($parent['origin'] && !$origin) {
1501 $origin_uid = $parent['uid'];
1504 DBA::close($parents);
1507 foreach ($users as $uid) {
1508 if ($origin_uid == $uid) {
1509 $item['diaspora_signed_text'] = $signed_text;
1511 $item['post-reason'] = self::PR_DISTRIBUTE;
1512 self::storeForUser($item, $uid);
1517 * Store a public item defined by their URI-ID for the given users
1519 * @param integer $uri_id URI-ID of the given item
1520 * @param integer $uid The user that will receive the item entry
1521 * @param array $fields Additional fields to be stored
1522 * @param integer $source_uid User id of the source post
1523 * @return integer stored item id
1525 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1527 if ($uid == $source_uid) {
1528 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1532 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['uri-id' => $uri_id, 'uid' => $source_uid]);
1533 if (!DBA::isResult($item)) {
1534 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1538 if (($uid != 0) && ($item['gravity'] == GRAVITY_PARENT)) {
1539 $owner = User::getOwnerDataById($uid);
1540 if (($owner['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && !Tag::isMentioned($uri_id, $owner['url'])) {
1541 Logger::info('Target user is a forum but is not mentioned here, thread will not be stored', ['uid' => $uid, 'uri-id' => $uri_id]);
1546 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1547 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']]);
1551 $item['post-reason'] = self::PR_STORED;
1553 $item = array_merge($item, $fields);
1555 if (($uid != 0) && Contact::isSharing(($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'], $uid)) {
1556 $item['post-reason'] = self::PR_FOLLOWER;
1559 $is_reshare = ($item['gravity'] == GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1561 if (($uid != 0) && (($item['gravity'] == GRAVITY_PARENT) || $is_reshare) &&
1562 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1563 !in_array($item['post-reason'], [self::PR_FOLLOWER, self::PR_TAG, self::PR_TO, self::PR_CC])) {
1564 Logger::info('Contact is not a follower, thread will not be stored', ['author' => $item['author-link'], 'uid' => $uid, 'uri-id' => $uri_id, 'post-reason' => $item['post-reason']]);
1568 $causer = $item['causer-id'] ?: $item['author-id'];
1570 if (($uri_id != $item['parent-uri-id']) && ($item['gravity'] == GRAVITY_COMMENT) && !Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
1571 if (!self::fetchParent($item['parent-uri-id'], $uid, $causer)) {
1572 Logger::info('Parent post had not been added', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1575 Logger::info('Fetched parent post', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1576 } elseif (($uri_id != $item['thr-parent-id']) && $is_reshare && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1577 if (!self::fetchParent($item['thr-parent-id'], $uid, $causer)) {
1578 Logger::info('Thread parent had not been added', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1581 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1584 $stored = self::storeForUser($item, $uid);
1585 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'causer' => $causer, 'source-uid' => $source_uid, 'stored' => $stored]);
1590 * Fetch the parent with the given uri-id
1592 * @param integer $uri_id
1593 * @param integer $uid
1594 * @param integer $causer
1598 private static function fetchParent(int $uri_id, int $uid, int $causer): int
1600 // Fetch the origin user for the post
1601 $origin_uid = self::GetOriginUidForUriId($uri_id, $uid);
1602 if (is_null($origin_uid)) {
1603 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $uri_id]);
1607 return self::storeForUserByUriId($uri_id, $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1611 * Returns the origin uid of a post if the given user is allowed to see it.
1617 private static function GetOriginUidForUriId(int $uriid, int $uid)
1619 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1623 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1624 if (!empty($post)) {
1625 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1626 return $post['uid'];
1629 $pcid = Contact::getPublicIdByUserId($uid);
1634 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1635 if ($receiver == $pcid) {
1636 return $post['uid'];
1643 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1647 // When the post belongs to a a forum then all forum users are allowed to access it
1648 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1649 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1650 $target_uid = User::getIdForURL($tag['url']);
1651 if (!empty($target_uid)) {
1661 * Store a public item array for the given users
1663 * @param array $item The item entry that will be stored
1664 * @param integer $uid The user that will receive the item entry
1665 * @return integer stored item id
1666 * @throws \Exception
1668 private static function storeForUser(array $item, int $uid): int
1670 $post = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1671 if (!empty($post['id'])) {
1672 if (!empty($item['event-id'])) {
1673 $event_post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1674 if (!empty($event_post['event-id'])) {
1675 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish', 'adjust'], ['id' => $item['event-id']]);
1676 if (!empty($event)) {
1677 // We aren't using "Event::store" here, since we don't want to trigger any further action
1678 $ret = DBA::update('event', $event, ['id' => $event_post['event-id']]);
1679 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $event_post['event-id'], 'ret' => $ret]);
1683 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'id' => $post['id']]);
1687 // Data from the "post-user" table
1689 unset($item['mention']);
1690 unset($item['starred']);
1691 unset($item['unseen']);
1692 unset($item['psid']);
1693 unset($item['pinned']);
1694 unset($item['ignored']);
1695 unset($item['pubmail']);
1696 unset($item['event-id']);
1697 unset($item['hidden']);
1698 unset($item['notification-type']);
1700 // Data from the "post-delivery-data" table
1701 unset($item['postopts']);
1702 unset($item['inform']);
1704 $item['uid'] = $uid;
1705 $item['origin'] = 0;
1708 $item['contact-id'] = self::contactId($item);
1711 if ($item['gravity'] == GRAVITY_PARENT) {
1712 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1713 if (DBA::isResult($contact)) {
1714 $notify = self::isRemoteSelf($contact, $item);
1718 $distributed = self::insert($item, $notify);
1720 if (!$distributed) {
1721 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1723 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1725 return $distributed;
1729 * Add a shadow entry for a given item id that is a thread starter
1731 * We store every public item entry additionally with the user id "0".
1732 * This is used for the community page and for the search.
1733 * It is planned that in the future we will store public item entries only once.
1735 * @param integer $itemid Item ID that should be added
1736 * @throws \Exception
1738 private static function addShadow(int $itemid)
1740 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1741 $condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
1742 $item = Post::selectFirst($fields, $condition);
1744 if (!DBA::isResult($item)) {
1748 // is it already a copy?
1749 if (($itemid == 0) || ($item['uid'] == 0)) {
1753 // Is it a visible public post?
1754 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1758 // is it an entry from a connector? Only add an entry for natively connected networks
1759 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1763 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1767 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1769 if (DBA::isResult($item)) {
1770 // Preparing public shadow (removing user specific data)
1773 unset($item['parent']);
1774 unset($item['wall']);
1775 unset($item['mention']);
1776 unset($item['origin']);
1777 unset($item['starred']);
1778 unset($item['postopts']);
1779 unset($item['inform']);
1780 unset($item['post-reason']);
1781 if ($item['uri-id'] == $item['parent-uri-id']) {
1782 $item['contact-id'] = $item['owner-id'];
1784 $item['contact-id'] = $item['author-id'];
1787 $public_shadow = self::insert($item);
1789 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1794 * Add a shadow entry for a given item id that is a comment
1796 * This function does the same like the function above - but for comments
1798 * @param integer $itemid Item ID that should be added
1799 * @throws \Exception
1801 private static function addShadowPost(int $itemid)
1803 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1804 if (!DBA::isResult($item)) {
1808 // Is it a toplevel post?
1809 if ($item['gravity'] == GRAVITY_PARENT) {
1810 self::addShadow($itemid);
1814 // Is this a shadow entry?
1815 if ($item['uid'] == 0) {
1819 // Is there a shadow parent?
1820 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1824 // Is there already a shadow entry?
1825 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1829 // Save "origin" and "parent" state
1830 $origin = $item['origin'];
1831 $parent = $item['parent'];
1833 // Preparing public shadow (removing user specific data)
1836 unset($item['parent']);
1837 unset($item['wall']);
1838 unset($item['mention']);
1839 unset($item['origin']);
1840 unset($item['starred']);
1841 unset($item['postopts']);
1842 unset($item['inform']);
1843 unset($item['post-reason']);
1844 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1846 $public_shadow = self::insert($item);
1848 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1850 // If this was a comment to a Diaspora post we don't get our comment back.
1851 // This means that we have to distribute the comment by ourselves.
1852 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1853 self::distribute($public_shadow);
1858 * Adds a language specification in a "language" element of given $arr.
1859 * Expects "body" element to exist in $arr.
1861 * @param array $item
1862 * @return string detected language
1863 * @throws \Text_LanguageDetect_Exception
1865 private static function getLanguage(array $item): string
1867 if (!empty($item['language'])) {
1868 return $item['language'];
1871 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1875 $languages = self::getLanguageArray(trim($item['title'] . "\n" . $item['body']), 3);
1876 if (empty($languages)) {
1880 return json_encode($languages);
1884 * Get a language array from a given text
1886 * @param string $body
1887 * @param integer $count
1890 public static function getLanguageArray(string $body, int $count): array
1892 // Convert attachments to links
1893 $naked_body = BBCode::removeAttachment($body);
1894 if (empty($naked_body)) {
1898 // Remove links and pictures
1899 $naked_body = BBCode::removeLinks($naked_body);
1901 // Convert the title and the body to plain text
1902 $naked_body = BBCode::toPlaintext($naked_body);
1904 // Remove possibly remaining links
1905 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1907 if (empty($naked_body)) {
1911 $naked_body = self::getDominantLanguage($naked_body);
1913 $availableLanguages = DI::l10n()->getAvailableLanguages();
1914 // See https://github.com/friendica/friendica/issues/10511
1915 // Persian is manually added to language detection until a persian translation is provided for the interface, at
1916 // which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
1917 $availableLanguages['fa'] = 'fa';
1919 $ld = new Language(array_keys($availableLanguages));
1920 return $ld->detect($naked_body)->limit(0, $count)->close() ?: [];
1924 * Check if latin or non latin are dominant in the body and only return the dominant one
1926 * @param string $body
1929 private static function getDominantLanguage(string $body): string
1933 for ($i = 0; $i < mb_strlen($body); $i++) {
1934 $character = mb_substr($body, $i, 1);
1935 $ord = mb_ord($character);
1937 // We add the most common characters to both strings.
1938 if (($ord <= 64) || ($ord >= 91 && $ord <= 96) || ($ord >= 123 && $ord <= 191) || in_array($ord, [215, 247]) || ($ord >= 697 && $ord <= 735) || ($ord > 65535)) {
1939 $latin .= $character;
1940 $non_latin .= $character;
1941 } elseif ($ord < 768) {
1942 $latin .= $character;
1944 $non_latin .= $character;
1947 return (mb_strlen($latin) > mb_strlen($non_latin)) ? $latin : $non_latin;
1950 public static function getLanguageMessage(array $item): string
1952 $iso639 = new \Matriphe\ISO639\ISO639;
1954 $used_languages = '';
1955 foreach (json_decode($item['language'], true) as $language => $reliability) {
1956 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1958 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1959 return $used_languages;
1963 * Creates an unique guid out of a given uri.
1964 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
1965 * Posts that are created on this system are using System::createUUID.
1966 * Received ActivityPub posts are using Processor::getGUIDByURL.
1968 * @param string $uri uri of an item entry
1969 * @param string|null $host hostname for the GUID prefix
1970 * @return string Unique guid
1972 public static function guidFromUri(string $uri, string $host = null): string
1974 // Our regular guid routine is using this kind of prefix as well
1975 // We have to avoid that different routines could accidentally create the same value
1976 $parsed = parse_url($uri);
1978 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1979 unset($parsed['scheme']);
1981 // Glue it together to be able to make a hash from it
1982 $host_id = implode('/', $parsed);
1984 // Use a mixture of several hashes to provide some GUID like experience
1985 return hash('crc32', $host) . '-'. hash('joaat', $host_id) . '-'. hash('fnv164', $host_id);
1989 * generate an unique URI
1991 * @param string $guid An existing GUID (Otherwise it will be generated)
1994 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1996 public static function newURI(string $guid = ''): string
1999 $guid = System::createUUID();
2002 return DI::baseUrl()->get() . '/objects/' . $guid;
2006 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2008 * This can be used to filter for inactive contacts.
2009 * Only do this for public postings to avoid privacy problems, since poco data is public.
2010 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2012 * @param array $arr Contains the just posted item record
2013 * @throws \Exception
2015 private static function updateContact(array $arr)
2017 // Unarchive the author
2018 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2019 if (DBA::isResult($contact)) {
2020 Contact::unmarkForArchival($contact);
2023 // Unarchive the contact if it's not our own contact
2024 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2025 if (DBA::isResult($contact)) {
2026 Contact::unmarkForArchival($contact);
2029 /// @todo On private posts we could obfuscate the date
2030 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2032 // Is it a forum? Then we don't care about the rules from above
2033 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
2034 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2040 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2041 // So we have to ensure to only update the last item when it had been our own post,
2042 // or it had been done by a "regular" contact.
2043 if (!empty($arr['wall'])) {
2044 $condition = ['id' => $arr['contact-id']];
2046 $condition = ['id' => $arr['contact-id'], 'self' => false];
2048 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2050 // Now do the same for the system wide contacts with uid=0
2051 if ($arr['private'] != self::PRIVATE) {
2052 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2053 ['id' => $arr['owner-id']]);
2055 if ($arr['owner-id'] != $arr['author-id']) {
2056 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2057 ['id' => $arr['author-id']]);
2062 public static function setHashtags(string $body): string
2064 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
2065 $tags = BBCode::getTags($body);
2068 if (!count($tags)) {
2072 // This sorting is important when there are hashtags that are part of other hashtags
2073 // Otherwise there could be problems with hashtags like #test and #test2
2074 // Because of this we are sorting from the longest to the shortest tag.
2075 usort($tags, function ($a, $b) {
2076 return strlen($b) <=> strlen($a);
2079 $URLSearchString = "^\[\]";
2081 // All hashtags should point to the home server if "local_tags" is activated
2082 if (DI::config()->get('system', 'local_tags')) {
2083 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2084 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2087 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2088 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2090 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2093 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2095 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2098 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
2100 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2103 // Repair recursive urls
2104 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2107 foreach ($tags as $tag) {
2108 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2112 $basetag = str_replace('_', ' ', substr($tag, 1));
2113 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2115 $body = str_replace($tag, $newtag, $body);
2118 // Convert back the masked hashtags
2119 $body = str_replace("#", "#", $body);
2128 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2131 * @param int $item_id
2132 * @return boolean true if item was deleted, else false
2133 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2134 * @throws \ImagickException
2136 private static function tagDeliver(int $uid, int $item_id): bool
2140 $owner = User::getOwnerDataById($uid);
2141 if (!DBA::isResult($owner)) {
2142 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2146 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2147 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2151 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT], 'origin' => false]);
2152 if (!DBA::isResult($item)) {
2153 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2157 if ($item['gravity'] == GRAVITY_PARENT) {
2158 if (Tag::isMentioned($item['uri-id'], $owner['url'])) {
2159 Logger::info('Mention found in tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2161 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2162 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2166 $arr = ['item' => $item, 'user' => $owner];
2168 Hook::callAll('tagged', $arr);
2170 if (Tag::isMentioned($item['parent-uri-id'], $owner['url'])) {
2171 Logger::info('Mention found in parent tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2173 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2178 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2180 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2182 $allow_gid = '<' . Group::FOLLOWERS . '>';
2185 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2187 self::performActivity($item['id'], 'announce', $uid);
2190 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2195 * Automatically reshare the item if the "remote_self" option is selected
2197 * @param array $item
2200 private static function autoReshare(array $item)
2202 if ($item['gravity'] != GRAVITY_PARENT) {
2206 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2210 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2214 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2216 self::performActivity($item['id'], 'announce', $item['uid']);
2219 public static function isRemoteSelf(array $contact, array &$datarray): bool
2221 if (!$contact['remote_self']) {
2225 // Prevent the forwarding of posts that are forwarded
2226 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2227 Logger::info('Already forwarded');
2231 // Prevent to forward already forwarded posts
2232 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2233 Logger::info('Already forwarded (second test)');
2237 // Only forward posts
2238 if ($datarray["verb"] != Activity::POST) {
2239 Logger::info('No post');
2243 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2244 Logger::info('Not public');
2248 $datarray2 = $datarray;
2249 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2250 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2251 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2252 ['uid' => $contact['uid'], 'self' => true]);
2253 if (DBA::isResult($self)) {
2254 $datarray['contact-id'] = $self["id"];
2256 $datarray['owner-name'] = $self["name"];
2257 $datarray['owner-link'] = $self["url"];
2258 $datarray['owner-avatar'] = $self["thumb"];
2260 $datarray['author-name'] = $datarray['owner-name'];
2261 $datarray['author-link'] = $datarray['owner-link'];
2262 $datarray['author-avatar'] = $datarray['owner-avatar'];
2264 unset($datarray['edited']);
2266 unset($datarray['network']);
2267 unset($datarray['owner-id']);
2268 unset($datarray['author-id']);
2271 if ($contact['network'] != Protocol::FEED) {
2272 $old_uri_id = $datarray["uri-id"] ?? 0;
2273 $datarray["guid"] = System::createUUID();
2274 unset($datarray["plink"]);
2275 $datarray["uri"] = self::newURI($datarray["guid"]);
2276 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2277 $datarray["extid"] = Protocol::DFRN;
2278 $urlpart = parse_url($datarray2['author-link']);
2279 $datarray["app"] = $urlpart["host"];
2280 if (!empty($old_uri_id)) {
2281 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2284 unset($datarray["parent-uri"]);
2285 unset($datarray["thr-parent"]);
2287 $datarray['private'] = self::PUBLIC;
2291 if ($contact['network'] != Protocol::FEED) {
2292 // Store the original post
2293 $result = self::insert($datarray2);
2294 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2296 $datarray["app"] = "Feed";
2300 return (bool)$result;
2307 * @param array $item
2310 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2311 * @throws \ImagickException
2313 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2315 if (DI::config()->get('system', 'disable_embedded')) {
2319 Logger::info('check for photos');
2320 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2325 $img_start = strpos($orig_body, '[img');
2326 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2327 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2329 while (($img_st_close !== false) && ($img_len !== false)) {
2330 $img_st_close++; // make it point to AFTER the closing bracket
2331 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2333 Logger::info('found photo', ['image' => $image]);
2335 if (stristr($image, $site . '/photo/')) {
2336 // Only embed locally hosted photos
2338 $i = basename($image);
2339 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2340 $x = strpos($i, '-');
2343 $res = substr($i, $x + 1);
2344 $i = substr($i, 0, $x);
2345 $photo = Photo::getPhotoForUser($uid, $i, $res);
2346 if (DBA::isResult($photo)) {
2348 * Check to see if we should replace this photo link with an embedded image
2349 * 1. No need to do so if the photo is public
2350 * 2. If there's a contact-id provided, see if they're in the access list
2351 * for the photo. If so, embed it.
2352 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2353 * permissions, regardless of order but first check to see if they're an exact
2354 * match to save some processing overhead.
2356 if (self::hasPermissions($photo)) {
2358 $recips = self::enumeratePermissions($photo);
2359 if (in_array($cid, $recips)) {
2363 if (self::samePermissions($uid, $item, $photo)) {
2369 $photo_img = Photo::getImageForPhoto($photo);
2370 // If a custom width and height were specified, apply before embedding
2371 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2372 Logger::info('scaling photo');
2374 $width = intval($match[1]);
2375 $height = intval($match[2]);
2377 $photo_img->scaleDown(max($width, $height));
2380 $data = $photo_img->asString();
2381 $type = $photo_img->getType();
2383 Logger::info('replacing photo');
2384 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2385 Logger::debug('replaced', ['image' => $image]);
2391 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2392 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2393 if ($orig_body === false) {
2397 $img_start = strpos($orig_body, '[img');
2398 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2399 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2402 $new_body = $new_body . $orig_body;
2407 private static function hasPermissions(array $obj)
2409 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2410 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2413 // @TODO $uid is unused parameter
2414 private static function samePermissions($uid, array $obj1, array $obj2): bool
2416 // first part is easy. Check that these are exactly the same.
2417 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2418 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2419 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2420 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2424 // This is harder. Parse all the permissions and compare the resulting set.
2425 $recipients1 = self::enumeratePermissions($obj1);
2426 $recipients2 = self::enumeratePermissions($obj2);
2430 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2431 return ($recipients1 == $recipients2);
2435 * Returns an array of contact-ids that are allowed to see this object
2437 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2438 * @param bool $check_dead Prunes unavailable contacts from the result
2440 * @throws \Exception
2442 public static function enumeratePermissions(array $obj, bool $check_dead = false): array
2444 $aclFormater = DI::aclFormatter();
2446 $allow_people = $aclFormater->expand($obj['allow_cid']);
2447 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2448 $deny_people = $aclFormater->expand($obj['deny_cid']);
2449 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2450 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2451 $deny = array_unique(array_merge($deny_people, $deny_groups));
2452 $recipients = array_diff($recipients, $deny);
2456 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2458 if (!$uid || ($days < 1)) {
2462 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2463 $uid, GRAVITY_PARENT];
2466 * $expire_network_only = save your own wall posts
2467 * and just expire conversations started by others
2469 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2471 if ($expire_network_only) {
2472 $condition[0] .= " AND NOT `wall`";
2475 if ($network != "") {
2476 $condition[0] .= " AND `network` = ?";
2477 $condition[] = $network;
2480 $condition[0] .= " AND `received` < ?";
2481 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2483 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2485 if (!DBA::isResult($items)) {
2489 $expire_items = (bool)DI::pConfig()->get($uid, 'expire', 'items', true);
2491 // Forcing expiring of items - but not notes and marked items
2493 $expire_items = true;
2496 $expire_notes = (bool)DI::pConfig()->get($uid, 'expire', 'notes', true);
2497 $expire_starred = (bool)DI::pConfig()->get($uid, 'expire', 'starred', true);
2498 $expire_photos = (bool)DI::pConfig()->get($uid, 'expire', 'photos', false);
2502 $priority = DI::config()->get('system', 'expire-notify-priority');
2504 while ($item = Post::fetch($items)) {
2505 // don't expire filed items
2506 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2510 // Only expire posts, not photos and photo comments
2512 if (!$expire_photos && !empty($item['resource-id'])) {
2514 } elseif (!$expire_starred && intval($item['starred'])) {
2516 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2518 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2522 self::markForDeletionById($item['id'], $priority);
2527 Logger::notice('Expired', ['user' => $uid, 'days' => $days, 'network' => $network, 'force' => $force, 'expired' => $expired, 'expire items' => $expire_items, 'expire notes' => $expire_notes, 'expire starred' => $expire_starred, 'expire photos' => $expire_photos, 'condition' => $condition]);
2530 public static function firstPostDate(int $uid, bool $wall = false)
2532 $user = User::getById($uid, ['register_date']);
2537 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2538 $uid, $wall, $user['register_date']];
2539 $params = ['order' => ['received' => false]];
2540 $thread = Post::selectFirstThread(['received'], $condition, $params);
2541 if (DBA::isResult($thread)) {
2542 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2549 * add/remove activity to an item
2551 * Toggle activities as like,dislike,attend of an item
2553 * @param int $item_id
2554 * @param string $verb
2555 * Activity verb. One of
2556 * like, unlike, dislike, undislike, attendyes, unattendyes,
2557 * attendno, unattendno, attendmaybe, unattendmaybe,
2558 * announce, unannouce
2560 * @param string $allow_cid
2561 * @param string $allow_gid
2562 * @param string $deny_cid
2563 * @param string $deny_gid
2565 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2566 * @throws \ImagickException
2567 * @hook 'post_local_end'
2569 * 'post_id' => ID of posted item
2571 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
2577 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2579 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2580 if (!DBA::isResult($item)) {
2581 Logger::warning('Post had not been fetched', ['id' => $item_id]);
2585 $uri_id = $item['uri-id'];
2587 if (!in_array($item['uid'], [0, $uid])) {
2591 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2592 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid, ['post-reason' => Item::PR_ACTIVITY]);
2593 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2594 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2595 if (!DBA::isResult($item)) {
2596 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2602 // Retrieves the local post owner
2603 $owner = User::getOwnerDataById($uid);
2604 if (empty($owner)) {
2605 Logger::info('Empty owner for user', ['uid' => $uid]);
2609 // Retrieve the current logged in user's public contact
2610 $author_id = Contact::getPublicIdByUserId($uid);
2611 if (empty($author_id)) {
2612 Logger::info('Empty public contact');
2620 $activity = Activity::LIKE;
2624 $activity = Activity::DISLIKE;
2628 $activity = Activity::ATTEND;
2632 $activity = Activity::ATTENDNO;
2635 case 'unattendmaybe':
2636 $activity = Activity::ATTENDMAYBE;
2640 $activity = Activity::FOLLOW;
2644 $activity = Activity::ANNOUNCE;
2647 Logger::warning('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2651 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2653 // Enable activity toggling instead of on/off
2654 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2656 // Look for an existing verb row
2657 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2658 if ($event_verb_flag) {
2659 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2661 // Translate to the index based activity index
2663 foreach ($verbs as $verb) {
2664 $vids[] = Verb::getID($verb);
2667 $vids = Verb::getID($activity);
2670 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2671 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2672 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2674 if (DBA::isResult($like_item)) {
2676 * Truth table for existing activities
2678 * | Inputs || Outputs |
2679 * |----------------------------||-------------------|
2680 * | Mode | Event | Same verb || Delete? | Return? |
2681 * |--------|-------|-----------||---------|---------|
2682 * | create | Yes | Yes || No | Yes |
2683 * | create | Yes | No || Yes | No |
2684 * | create | No | Yes || No | Yes |
2685 * | create | No | No || N/A†|
2686 * | delete | Yes | Yes || Yes | N/A‡ |
2687 * | delete | Yes | No || No | N/A‡ |
2688 * | delete | No | Yes || Yes | N/A‡ |
2689 * | delete | No | No || N/A†|
2690 * |--------|-------|-----------||---------|---------|
2691 * | A | B | C || A xor C | !B or C |
2693 * †Can't happen: It's impossible to find an existing non-event activity without
2694 * the same verb because we are only looking for this single verb.
2696 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2698 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2699 self::markForDeletionById($like_item['id']);
2702 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2707 // No need to go further if we aren't creating anything
2708 if ($mode == 'delete') {
2712 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2715 'guid' => System::createUUID(),
2716 'uri' => self::newURI(),
2718 'contact-id' => $owner['id'],
2719 'wall' => $item['wall'],
2721 'network' => Protocol::DFRN,
2722 'protocol' => Conversation::PARCEL_DIRECT,
2723 'direction' => Conversation::PUSH,
2724 'gravity' => GRAVITY_ACTIVITY,
2725 'parent' => $item['id'],
2726 'thr-parent' => $item['uri'],
2727 'owner-id' => $author_id,
2728 'author-id' => $author_id,
2729 'body' => $activity,
2730 'verb' => $activity,
2731 'object-type' => $objtype,
2732 'allow_cid' => $allow_cid ?? $item['allow_cid'],
2733 'allow_gid' => $allow_gid ?? $item['allow_gid'],
2734 'deny_cid' => $deny_cid ?? $item['deny_cid'],
2735 'deny_gid' => $deny_gid ?? $item['deny_gid'],
2740 if (in_array($activity, [Activity::LIKE, Activity::DISLIKE])) {
2741 $signed = Diaspora::createLikeSignature($uid, $new_item);
2742 if (!empty($signed)) {
2743 $new_item['diaspora_signed_text'] = json_encode($signed);
2747 self::insert($new_item, true);
2749 // If the parent item isn't visible then set it to visible
2750 // @todo Check if this is still needed
2751 if (!$item['visible']) {
2752 self::update(['visible' => true], ['id' => $item['id']]);
2758 * Fetch the SQL condition for the given user id
2760 * @param integer $owner_id User ID for which the permissions should be fetched
2761 * @return array condition
2763 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
2765 $local_user = local_user();
2766 $remote_user = Session::getRemoteContactID($owner_id);
2768 // default permissions - anonymous user
2769 $condition = ["`private` != ?", self::PRIVATE];
2771 if ($local_user && ($local_user == $owner_id)) {
2772 // Profile owner - everything is visible
2774 } elseif ($remote_user) {
2775 // Authenticated visitor - fetch the matching permissionsets
2776 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2778 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2779 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2780 self::PRIVATE, self::PRIVATE];
2781 $condition = array_merge($condition, $permissionSets->column('id'));
2789 * Get a permission SQL string for the given user
2791 * @param int $owner_id
2792 * @param string $table
2795 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
2797 $local_user = local_user();
2798 $remote_user = Session::getRemoteContactID($owner_id);
2800 if (!empty($table)) {
2801 $table = DBA::quoteIdentifier($table) . '.';
2805 * Construct permissions
2807 * default permissions - anonymous user
2809 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2811 // Profile owner - everything is visible
2812 if ($local_user && ($local_user == $owner_id)) {
2814 } elseif ($remote_user) {
2816 * Authenticated visitor. Unless pre-verified,
2817 * check that the contact belongs to this $owner_id
2818 * and load the groups the visitor belongs to.
2819 * If pre-verified, the caller is expected to have already
2820 * done this and passed the groups into this function.
2822 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2825 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2830 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2837 * get translated item type
2839 * @param array $item
2840 * @param \Friendica\Core\L10n $l10n
2843 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
2845 if (!empty($item['event-id'])) {
2846 return $l10n->t('event');
2847 } elseif (!empty($item['resource-id'])) {
2848 return $l10n->t('photo');
2849 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2850 return $l10n->t('activity');
2851 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2852 return $l10n->t('comment');
2855 return $l10n->t('post');
2859 * Sets the "rendered-html" field of the provided item
2861 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2863 * @param array $item
2865 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2866 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2868 private static function putInCache(&$item)
2870 // Save original body to prevent addons to modify it
2871 $body = $item['body'];
2873 $rendered_hash = $item['rendered-hash'] ?? '';
2874 $rendered_html = $item['rendered-html'] ?? '';
2876 if ($rendered_hash == ''
2877 || $rendered_html == ''
2878 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2879 || DI::config()->get('system', 'ignore_cache')
2881 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
2882 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2884 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2885 Hook::callAll('put_item_in_cache', $hook_data);
2886 $item['rendered-html'] = $hook_data['rendered-html'];
2887 $item['rendered-hash'] = $hook_data['rendered-hash'];
2890 // Update if the generated values differ from the existing ones
2891 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2894 'rendered-html' => $item['rendered-html'],
2895 'rendered-hash' => $item['rendered-hash']
2897 ['id' => $item['id']]
2902 $item['body'] = $body;
2906 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2907 * If attach is true, also add icons for item attachments.
2909 * @param array $item Record from item table
2910 * @param boolean $attach If true, add icons for item attachments as well
2911 * @param boolean $is_preview Whether this is a preview
2912 * @param boolean $only_cache Whether only cached HTML should be updated
2913 * @return string item body html
2914 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2915 * @throws \ImagickException
2916 * @hook prepare_body_init item array before any work
2917 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2918 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2919 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2921 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
2924 Hook::callAll('prepare_body_init', $item);
2926 // In order to provide theme developers more possibilities, event items
2927 // are treated differently.
2928 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2929 $ev = Event::getItemHTML($item);
2933 $tags = Tag::populateFromItem($item);
2935 $item['tags'] = $tags['tags'];
2936 $item['hashtags'] = $tags['hashtags'];
2937 $item['mentions'] = $tags['mentions'];
2939 $body = $item['body'] ?? '';
2940 $shared = BBCode::fetchShareAttributes($body);
2941 if (!empty($shared['guid'])) {
2942 $shared_item = Post::selectFirst(['uri-id', 'plink', 'has-media'], ['guid' => $shared['guid']]);
2943 $shared_uri_id = $shared_item['uri-id'] ?? 0;
2944 $shared_links = [strtolower($shared_item['plink'] ?? '')];
2945 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid'], [], $shared_item['has-media'] ?? false);
2946 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
2947 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
2948 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
2949 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
2955 $attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links, $item['has-media'] ?? false);
2956 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
2958 $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
2959 self::putInCache($item);
2960 $item['body'] = $body;
2961 $s = $item["rendered-html"];
2967 // Compile eventual content filter reasons
2968 $filter_reasons = [];
2969 if (!$is_preview && public_contact() != $item['author-id']) {
2970 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2971 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2974 $item['attachments'] = $attachments;
2978 'filter_reasons' => $filter_reasons
2980 Hook::callAll('prepare_body_content_filter', $hook_data);
2981 $filter_reasons = $hook_data['filter_reasons'];
2988 'preview' => $is_preview,
2989 'filter_reasons' => $filter_reasons
2991 Hook::callAll('prepare_body', $hook_data);
2992 $s = $hook_data['html'];
2996 // Replace the blockquotes with quotes that are used in mails.
2997 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2998 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3002 if (!empty($shared_attachments)) {
3003 $s = self::addVisualAttachments($shared_attachments, $item, $s, true);
3004 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, []);
3005 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
3006 $body = preg_replace("/\s*\[share .*?\].*?\[\/share\]\s*/ism", '', $body);
3009 $s = self::addVisualAttachments($attachments, $item, $s, false);
3010 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
3011 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
3012 $s = self::addQuestions($item, $s);
3015 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3016 $x = Map::byCoordinates(trim($item['coord']));
3018 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3022 // Replace friendica image url size with theme preference.
3023 if (!empty($a->getThemeInfoValue('item_image_size'))) {
3024 $ps = $a->getThemeInfoValue('item_image_size');
3025 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3028 $s = HTML::applyContentFilter($s, $filter_reasons);
3030 $hook_data = ['item' => $item, 'html' => $s];
3031 Hook::callAll('prepare_body_final', $hook_data);
3033 return $hook_data['html'];
3037 * Check if the body contains a link
3039 * @param string $body
3040 * @param string $url
3044 public static function containsLink(string $body, string $url, int $type = 0): bool
3046 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
3047 $urlparts = parse_url($url);
3048 if (!empty($urlparts)) {
3049 unset($urlparts['query']);
3050 unset($urlparts['fragment']);
3051 $url = (string)Uri::fromParts($urlparts);
3056 // Remove media links to only search in embedded content
3057 // @todo Check images for image link, audio for audio links, ...
3058 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
3059 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
3062 if (strpos($body, $url)) {
3065 foreach ([0, 1, 2] as $size) {
3066 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
3067 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
3075 * Replace visual attachments in the body
3077 * @param array $attachments
3078 * @param string $body
3079 * @return string modified body
3081 private static function replaceVisualAttachments(array $attachments, string $body): string
3083 DI::profiler()->startRecording('rendering');
3085 foreach ($attachments['visual'] as $attachment) {
3086 if (!empty($attachment['preview'])) {
3087 $proxy = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3088 $search = ['[img=' . $attachment['preview'] . ']', ']' . $attachment['preview'] . '[/img]'];
3089 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3091 $body = str_replace($search, $replace, $body);
3092 } elseif ($attachment['filetype'] == 'image') {
3093 $proxy = Post\Media::getUrlForId($attachment['id']);
3094 $search = ['[img=' . $attachment['url'] . ']', ']' . $attachment['url'] . '[/img]'];
3095 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3097 $body = str_replace($search, $replace, $body);
3100 DI::profiler()->stopRecording();
3105 * Add visual attachments to the content
3107 * @param array $attachments
3108 * @param array $item
3109 * @param string $content
3110 * @return string modified content
3112 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared): string
3114 DI::profiler()->startRecording('rendering');
3118 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
3119 foreach ($attachments['visual'] as $attachment) {
3120 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
3124 if (!empty($attachment['preview'])) {
3125 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3130 if (($attachment['filetype'] == 'video')) {
3131 /// @todo Move the template to /content as well
3132 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3134 'id' => $attachment['id'],
3135 'src' => $attachment['url'],
3136 'name' => $attachment['name'] ?: $attachment['url'],
3137 'preview' => $preview_url,
3138 'mime' => $attachment['mimetype'],
3141 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3144 $trailing .= $media;
3146 } elseif ($attachment['filetype'] == 'audio') {
3147 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3149 'id' => $attachment['id'],
3150 'src' => $attachment['url'],
3151 'name' => $attachment['name'] ?: $attachment['url'],
3152 'mime' => $attachment['mimetype'],
3155 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3158 $trailing .= $media;
3160 } elseif ($attachment['filetype'] == 'image') {
3161 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
3163 'src' => Post\Media::getUrlForId($attachment['id']),
3164 'preview' => Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE),
3165 'attachment' => $attachment,
3168 // On Diaspora posts the attached pictures are leading
3169 if ($item['network'] == Protocol::DIASPORA) {
3172 $trailing .= $media;
3178 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . BBCode::TOP_ANCHOR, $content);
3179 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>' . BBCode::BOTTOM_ANCHOR, $content);
3181 if ($leading != '') {
3182 $content = '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . $content;
3185 if ($trailing != '') {
3186 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3190 DI::profiler()->stopRecording();
3195 * Add link attachment to the content
3197 * @param array $attachments
3198 * @param string $body
3199 * @param string $content
3200 * @param bool $shared
3201 * @param array $ignore_links A list of URLs to ignore
3202 * @return string modified content
3204 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3206 DI::profiler()->startRecording('rendering');
3207 // Don't show a preview when there is a visual attachment (audio or video)
3208 $types = array_column($attachments['visual'], 'type');
3209 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
3211 if (!empty($attachments['link'])) {
3212 foreach ($attachments['link'] as $link) {
3214 foreach ($ignore_links as $ignore_link) {
3215 if (Strings::compareLink($link['url'], $ignore_link)) {
3219 // @todo Judge between the links to use the one with most information
3220 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
3221 (empty($attachment['name']) && !empty($link['name'])) ||
3222 (empty($attachment['description']) && !empty($link['description'])) ||
3223 (empty($attachment['preview']) && !empty($link['preview'])))) {
3224 $attachment = $link;
3229 if (!empty($attachment)) {
3232 'author_name' => $attachment['author-name'] ?? '',
3233 'author_url' => $attachment['author-url'] ?? '',
3234 'description' => $attachment['description'] ?? '',
3237 'provider_name' => $attachment['publisher-name'] ?? '',
3238 'provider_url' => $attachment['publisher-url'] ?? '',
3240 'title' => $attachment['name'] ?? '',
3242 'url' => $attachment['url']];
3244 if ($preview && !empty($attachment['preview'])) {
3245 if ($attachment['preview-width'] >= 500) {
3246 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3248 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3252 if (!empty($data['description']) && !empty($content)) {
3253 similar_text($data['description'], $content, $percent);
3258 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3259 $data['description'] = '';
3262 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3263 $data['author_name'] = '';
3266 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3267 $data['author_url'] = '';
3269 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3270 $data = BBCode::getAttachmentData($match[1]);
3272 DI::profiler()->stopRecording();
3274 if (isset($data['url']) && !in_array($data['url'], $ignore_links)) {
3275 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview'])) {
3276 $parts = parse_url($data['url']);
3277 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3278 if (empty($data['provider_name'])) {
3279 $data['provider_name'] = $parts['host'];
3281 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3282 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3284 if (!empty($parts['port'])) {
3285 $data['provider_url'] .= ':' . $parts['port'];
3290 // @todo Use a template
3291 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid);
3292 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3293 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3294 '$url' => $data['url'],
3295 '$title' => $data['title'],
3302 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3304 return $content . $rendered;
3311 * Add non visual attachments to the content
3313 * @param array $attachments
3314 * @param array $item
3315 * @param string $content
3316 * @return string modified content
3318 private static function addNonVisualAttachments(array $attachments, array $item, string $content): string
3320 DI::profiler()->startRecording('rendering');
3322 foreach ($attachments['additional'] as $attachment) {
3323 if (strpos($item['body'], $attachment['url'])) {
3327 $author = ['uid' => 0, 'id' => $item['author-id'],
3328 'network' => $item['author-network'], 'url' => $item['author-link']];
3329 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3331 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3333 if (!empty($attachment['size'])) {
3334 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3337 /// @todo Use a template
3338 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3339 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3342 if ($trailing != '') {
3343 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3346 DI::profiler()->stopRecording();
3350 private static function addQuestions(array $item, string $content): string
3352 DI::profiler()->startRecording('rendering');
3353 if (!empty($item['question-id'])) {
3355 'id' => $item['question-id'],
3356 'multiple' => $item['question-multiple'],
3357 'voters' => $item['question-voters'],
3358 'endtime' => $item['question-end-time']
3361 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3362 foreach ($options as $key => $option) {
3363 if ($question['voters'] > 0) {
3364 $percent = $option['replies'] / $question['voters'] * 100;
3365 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%3$d%%, %1$d vote)', '%2$s (%3$d%%, %1$d votes)', $option['replies'], $option['name'], round($percent, 1));
3367 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%1$d vote)', '%2$s (%1$d votes)', $option['replies'], $option['name'], );
3371 if (!empty($question['voters']) && !empty($question['endtime'])) {
3372 $summary = DI::l10n()->tt('%d voter. Poll end: %s', '%d voters. Poll end: %s', $question['voters'], Temporal::getRelativeDate($question['endtime']));
3373 } elseif (!empty($question['voters'])) {
3374 $summary = DI::l10n()->tt('%d voter.', '%d voters.', $question['voters']);
3375 } elseif (!empty($question['endtime'])) {
3376 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3381 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3382 '$question' => $question,
3383 '$options' => $options,
3384 '$summary' => $summary,
3387 DI::profiler()->stopRecording();
3392 * get private link for item
3394 * @param array $item
3395 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3396 * @throws \Exception
3398 public static function getPlink(array $item)
3400 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3401 $plink = $item['plink'];
3402 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3403 $plink = $item['uri'];
3408 'href' => "display/" . $item['guid'],
3409 'orig' => "display/" . $item['guid'],
3410 'title' => DI::l10n()->t('View on separate page'),
3411 'orig_title' => DI::l10n()->t('View on separate page'),
3414 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3415 $author = ['uid' => 0, 'id' => $item['author-id'],
3416 'network' => $item['author-network'], 'url' => $item['author-link']];
3417 $plink = Contact::magicLinkByContact($author, $plink);
3420 if (!empty($plink)) {
3421 $ret['href'] = DI::baseUrl()->remove($plink);
3422 $ret['title'] = DI::l10n()->t('Link to source');
3424 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3428 'title' => DI::l10n()->t('Link to source'),
3429 'orig_title' => DI::l10n()->t('Link to source'),
3439 * Does the given uri-id belongs to a post that is sent as starting post to a forum?
3441 * @param int $uri_id
3443 * @return boolean "true" when it is a forum post
3445 public static function isForumPost(int $uri_id): bool
3447 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION]) as $tag) {
3448 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3456 * Search item id for given URI or plink
3458 * @param string $uri
3459 * @param integer $uid
3461 * @return integer item id
3463 public static function searchByLink(string $uri, int $uid = 0): int
3465 $ssl_uri = str_replace('http://', 'https://', $uri);
3466 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3468 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3469 if (DBA::isResult($item)) {
3473 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3474 if (DBA::isResult($item)) {
3482 * Return the URI for a link to the post
3484 * @param string $uri URI or link to post
3486 * @return string URI
3488 public static function getURIByLink(string $uri): string
3490 $ssl_uri = str_replace('http://', 'https://', $uri);
3491 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3493 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3494 if (DBA::isResult($item)) {
3495 return $item['uri'];
3498 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3499 if (DBA::isResult($item)) {
3500 return $item['uri'];
3507 * Fetches item for given URI or plink
3509 * @param string $uri
3510 * @param integer $uid
3512 * @return integer item id
3514 public static function fetchByLink(string $uri, int $uid = 0): int
3516 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3517 $item_id = self::searchByLink($uri, $uid);
3518 if (!empty($item_id)) {
3519 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3529 Hook::callAll('item_by_link', $hookData);
3531 if (isset($hookData['item_id'])) {
3532 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3535 $fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri);
3538 $item_id = self::searchByLink($fetched_uri, $uid);
3540 $item_id = Diaspora::fetchByURL($uri);
3543 if (!empty($item_id)) {
3544 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3548 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3553 * Return share data from an item array (if the item is shared item)
3554 * We are providing the complete Item array, because at some time in the future
3555 * we hopefully will define these values not in the body anymore but in some item fields.
3556 * This function is meant to replace all similar functions in the system.
3558 * @param array $item
3560 * @return array with share information
3562 public static function getShareArray(array $item): array
3564 return BBCode::fetchShareAttributes($item['body']);
3568 * Fetch item information for shared items from the original items and adds it.
3570 * @param array $item
3572 * @return array item array with data from the original item
3574 public static function addShareDataFromOriginal(array $item): array
3576 $shared = self::getShareArray($item);
3577 if (empty($shared)) {
3581 // Real reshares always have got a GUID.
3582 if (empty($shared['guid'])) {
3586 $uid = $item['uid'] ?? 0;
3588 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3589 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3590 if (!DBA::isResult($shared_item)) {
3591 if (empty($shared['link'])) {
3595 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3596 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3598 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3602 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3603 if (!DBA::isResult($shared_item)) {
3606 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3608 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3611 if (!empty($shared_item['title'])) {
3612 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3613 unset($shared_item['title']);
3615 $body = $shared_item['body'];
3618 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . str_replace('$', '\$', $body) . '[/share]', $item['body']);
3619 unset($shared_item['body']);
3621 return array_merge($item, $shared_item);
3625 * Check a prospective item array against user-level permissions
3627 * @param array $item Expected keys: uri, gravity, and
3628 * author-link if is author-id is set,
3629 * owner-link if is owner-id is set,
3630 * causer-link if is causer-id is set.
3631 * @param int $user_id Local user ID
3633 * @throws \Exception
3635 protected static function isAllowedByUser(array $item, int $user_id): bool
3637 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3638 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3642 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3643 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3647 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3648 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3649 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3653 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3654 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3662 * Improve the data in shared posts
3664 * @param array $item
3665 * @return string body
3667 public static function improveSharedDataInBody(array $item): string
3669 $shared = BBCode::fetchShareAttributes($item['body']);
3670 if (empty($shared['link']) && empty($shared['message_id'])) {
3671 return $item['body'];
3674 $link = $shared['link'] ?: $shared['message_id'];
3676 if (!empty($item['uid'])) {
3677 $id = self::searchByLink($link, $item['uid']);
3681 $id = self::fetchByLink($link);
3683 Logger::debug('Fetched shared post', ['uri-id' => $item['uri-id'], 'id' => $id, 'author' => $shared['profile'], 'url' => $shared['link'], 'guid' => $shared['guid'], 'uri' => $shared['message_id'], 'callstack' => System::callstack()]);
3685 return $item['body'];
3688 $shared_item = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'uri', 'title', 'body'], ['id' => $id]);
3689 if (!DBA::isResult($shared_item)) {
3690 return $item['body'];
3693 $shared_content = BBCode::getShareOpeningTag($shared_item['author-name'], $shared_item['author-link'], $shared_item['author-avatar'], $shared_item['plink'], $shared_item['created'], $shared_item['guid'], $shared_item['uri']);
3695 if (!empty($shared_item['title'])) {
3696 $shared_content .= '[h3]'.$shared_item['title'].'[/h3]'."\n";
3699 $shared_content .= $shared_item['body'];
3701 $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $shared_content . '[/share]', $item['body']);
3702 Logger::debug('New shared data', ['uri-id' => $item['uri-id'], 'id' => $id, 'shared_item' => $shared_item]);
3703 return $item['body'];