3 * @copyright Copyright (C) 2010-2023, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Contact\LocalRelationship\Entity\LocalRelationship;
25 use Friendica\Content\Text\BBCode;
26 use Friendica\Content\Text\HTML;
27 use Friendica\Core\Hook;
28 use Friendica\Core\Logger;
29 use Friendica\Core\Protocol;
30 use Friendica\Core\Renderer;
31 use Friendica\Core\System;
32 use Friendica\Core\Worker;
33 use Friendica\Database\DBA;
35 use Friendica\Model\Post\Category;
36 use Friendica\Network\HTTPException\InternalServerErrorException;
37 use Friendica\Protocol\Activity;
38 use Friendica\Protocol\ActivityPub;
39 use Friendica\Protocol\Delivery;
40 use Friendica\Protocol\Diaspora;
41 use Friendica\Util\DateTimeFormat;
42 use Friendica\Util\Map;
43 use Friendica\Util\Network;
44 use Friendica\Util\Proxy;
45 use Friendica\Util\Strings;
46 use Friendica\Util\Temporal;
47 use GuzzleHttp\Psr7\Uri;
48 use LanguageDetection\Language;
52 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
59 const PT_DOCUMENT = 19;
62 const PT_PERSONAL_NOTE = 128;
64 // Posting reasons (Why had a post been stored for a user?)
71 const PR_FOLLOWER = 69;
72 const PR_ANNOUNCEMENT = 70;
73 const PR_COMMENT = 71;
77 const PR_FETCHED = 75;
78 const PR_COMPLETION = 76;
80 const PR_ACTIVITY = 78;
81 const PR_DISTRIBUTE = 79;
84 const PR_AUDIENCE = 82;
86 // system.accept_only_sharer setting values
87 const COMPLETION_NONE = 1;
88 const COMPLETION_COMMENT = 0;
89 const COMPLETION_LIKE = 2;
91 // Field list that is used to display the items
92 const DISPLAY_FIELDLIST = [
93 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
94 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri', 'conversation',
95 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
96 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
97 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
98 'quote-uri', 'quote-uri-id', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
99 'author-id', 'author-link', 'author-alias', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-baseurl', 'author-addr', 'author-uri-id',
100 'owner-id', 'owner-link', 'owner-alias', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated', 'owner-gsid',
101 'causer-id', 'causer-link', 'causer-alias', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network', 'causer-gsid',
102 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
103 'writable', 'self', 'cid', 'alias',
104 'event-created', 'event-edited', 'event-start', 'event-finish',
105 'event-summary', 'event-desc', 'event-location', 'event-type',
106 'event-nofinish', 'event-ignore', 'event-id',
107 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
108 'has-categories', 'has-media',
109 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
112 // Field list that is used to deliver items via the protocols
113 const DELIVER_FIELDLIST = [
114 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
115 'parent-guid', 'conversation', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
116 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
117 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
118 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
119 'author-id', 'author-addr', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
120 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
121 'thr-parent-id', 'parent-uri-id', 'quote-uri', 'quote-uri-id', 'postopts', 'pubmail',
122 'event-created', 'event-edited', 'event-start', 'event-finish',
123 'event-summary', 'event-desc', 'event-location', 'event-type',
124 'event-nofinish', 'event-ignore', 'event-id'
127 // All fields in the item table
128 const ITEM_FIELDLIST = [
129 'id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
130 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'conversation', 'vid',
131 'quote-uri', 'quote-uri-id', 'contact-id', 'wall', 'gravity', 'extid', 'psid',
132 'created', 'edited', 'commented', 'received', 'changed', 'verb',
133 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
134 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
135 'private', 'pubmail', 'visible', 'starred',
136 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
137 'title', 'content-warning', 'body', 'location', 'coord', 'app',
138 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
139 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
140 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'
143 // List of all verbs that don't need additional content data.
144 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
146 Activity::LIKE, Activity::DISLIKE,
147 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
157 // Item weight for query ordering
158 const GRAVITY_PARENT = 0;
159 const GRAVITY_ACTIVITY = 3;
160 const GRAVITY_COMMENT = 6;
161 const GRAVITY_UNKNOWN = 9;
164 * Update existing item entries
166 * @param array $fields The fields that are to be changed
167 * @param array $condition The condition for finding the item entries
169 * In the future we may have to change permissions as well.
170 * Then we had to add the user id as third parameter.
172 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
174 * @return integer|boolean number of affected rows - or "false" if there was an error
175 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
177 public static function update(array $fields, array $condition)
179 if (empty($condition) || empty($fields)) {
183 if (isset($fields['extid'])) {
184 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
187 if (!empty($fields['verb'])) {
188 $fields['vid'] = Verb::getID($fields['verb']);
191 if (!empty($fields['edited'])) {
192 $previous = Post::selectFirst(['edited'], $condition);
195 $rows = Post::update($fields, $condition);
196 if (is_bool($rows)) {
200 // We only need to call the line by line update for specific fields
202 empty($fields['body']) && empty($fields['file']) &&
203 empty($fields['attach']) && empty($fields['edited'])
208 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
210 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network', 'quote-uri-id'], $condition);
214 while ($item = DBA::fetch($items)) {
215 if (!empty($fields['body'])) {
216 if (!empty($item['quote-uri-id'])) {
217 $fields['body'] = BBCode::removeSharedData($fields['body']);
219 if (!empty($fields['raw-body'])) {
220 $fields['raw-body'] = BBCode::removeSharedData($fields['raw-body']);
224 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
226 // Remove all media attachments from the body and store them in the post-media table
227 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
228 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
229 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
231 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body'], $fields['body'], $item['author-network']);
233 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
234 $content_fields['raw-body'] = BBCode::removeAttachment($content_fields['raw-body']);
236 Post\Content::update($item['uri-id'], $content_fields);
239 if (!empty($fields['file'])) {
240 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
243 if (!empty($fields['attach'])) {
244 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
247 // We only need to notify others when it is an original entry from us.
248 // Only call the notifier when the item had been edited and records had been changed.
249 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
250 $notify_items[] = $item['id'];
256 foreach ($notify_items as $notify_item) {
257 $post = Post::selectFirst([], ['id' => $notify_item]);
259 if ($post['gravity'] != self::GRAVITY_PARENT) {
260 $signed = Diaspora::createCommentSignature($post);
261 if (!empty($signed)) {
262 DBA::replace('diaspora-interaction', ['uri-id' => $post['uri-id'], 'interaction' => json_encode($signed)]);
266 Worker::add(Worker::PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
273 * Delete an item and notify others about it - if it was ours
275 * @param array $condition The condition for finding the item entries
276 * @param integer $priority Priority for the notification
278 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
280 public static function markForDeletion(array $condition, int $priority = Worker::PRIORITY_HIGH)
282 $items = Post::select(['id'], $condition);
283 while ($item = Post::fetch($items)) {
284 self::markForDeletionById($item['id'], $priority);
290 * Delete an item for an user and notify others about it - if it was ours
292 * @param array $condition The condition for finding the item entries
293 * @param integer $uid User who wants to delete this item
295 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
297 public static function deleteForUser(array $condition, int $uid)
303 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
304 while ($item = Post::fetch($items)) {
305 if (in_array($item['uid'], [$uid, 0])) {
306 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
307 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
310 if ($item['uid'] == $uid) {
311 self::markForDeletionById($item['id'], Worker::PRIORITY_HIGH);
312 } elseif ($item['uid'] != 0) {
313 Logger::warning('Wrong ownership. Not deleting item', ['id' => $item['id']]);
320 * Mark an item for deletion, delete related data and notify others about it - if it was ours
322 * @param integer $item_id
323 * @param integer $priority Priority for the notification
324 * @return boolean success
325 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
327 public static function markForDeletionById(int $item_id, int $priority = Worker::PRIORITY_HIGH): bool
329 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
330 // locate item to be deleted
332 'id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
333 'deleted', 'resource-id', 'event-id',
334 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'
336 $item = Post::selectFirst($fields, ['id' => $item_id]);
337 if (!DBA::isResult($item)) {
338 Logger::info('Item not found.', ['id' => $item_id]);
342 if ($item['deleted']) {
343 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
347 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
348 if (!DBA::isResult($parent)) {
349 $parent = ['origin' => false];
352 // clean up categories and tags so they don't end up as orphans
353 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
356 * If item is a link to a photo resource, nuke all the associated photos
357 * (visitors will not have photo resources)
358 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
359 * generate a resource-id and therefore aren't intimately linked to the item.
361 /// @TODO: this should first check if photo is used elsewhere
362 if ($item['resource-id']) {
363 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
366 // If item is a link to an event, delete the event.
367 if (intval($item['event-id'])) {
368 Event::delete($item['event-id']);
371 // If item has attachments, drop them
372 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
373 foreach ($attachments as $attachment) {
374 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
375 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
379 // Set the item to "deleted"
380 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
381 Post::update($item_fields, ['id' => $item['id']]);
383 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
385 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
386 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
389 Post\DeliveryData::delete($item['uri-id']);
391 // If it's the parent of a comment thread, kill all the kids
392 if ($item['gravity'] == self::GRAVITY_PARENT) {
393 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
396 // Is it our comment and/or our thread?
397 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
398 // When we delete the original post we will delete all existing copies on the server as well
399 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
401 // send the notification upstream/downstream
403 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
405 } elseif ($item['uid'] != 0) {
406 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
407 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
410 DI::notify()->deleteForItem($item['uri-id']);
411 DI::notification()->deleteForItem($item['uri-id']);
413 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
419 * Get guid from given item record
421 * @param array $item Item record
422 * @param bool Whether to notify (?)
423 * @return string Guid
425 public static function guid(array $item, bool $notify): string
427 if (!empty($item['guid'])) {
428 return trim($item['guid']);
432 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
433 // We add the hash of our own host because our host is the original creator of the post.
434 $prefix_host = DI::baseUrl()->getHost();
438 // We are only storing the post so we create a GUID from the original hostname.
439 if (!empty($item['author-link'])) {
440 $parsed = parse_url($item['author-link']);
441 if (!empty($parsed['host'])) {
442 $prefix_host = $parsed['host'];
446 if (empty($prefix_host) && !empty($item['plink'])) {
447 $parsed = parse_url($item['plink']);
448 if (!empty($parsed['host'])) {
449 $prefix_host = $parsed['host'];
453 if (empty($prefix_host) && !empty($item['uri'])) {
454 $parsed = parse_url($item['uri']);
455 if (!empty($parsed['host'])) {
456 $prefix_host = $parsed['host'];
460 // Is it in the format data@host.tld? - Used for mail contacts
461 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
462 $mailparts = explode('@', $item['author-link']);
463 $prefix_host = array_pop($mailparts);
467 if (!empty($item['plink'])) {
468 $guid = self::guidFromUri($item['plink'], $prefix_host);
469 } elseif (!empty($item['uri'])) {
470 $guid = self::guidFromUri($item['uri'], $prefix_host);
472 $guid = System::createUUID(hash('crc32', $prefix_host));
479 * Returns contact id from given item record
481 * @param array $item Item record
482 * @return int Contact id
484 private static function contactId(array $item): int
486 if ($item['uid'] == 0) {
487 return $item['owner-id'];
490 if ($item['origin']) {
491 $owner = User::getOwnerDataById($item['uid']);
496 $user_contact_id = 0;
497 foreach (['group-link', 'causer-link', 'owner-link', 'author-link'] as $field) {
498 if (empty($item[$field])) {
501 if (!$user_contact_id && Contact::isSharingByURL($item[$field], $item['uid'], true)) {
502 $user_contact_id = Contact::getIdForURL($item[$field], $item['uid']);
503 } elseif (!$contact_id) {
504 $contact_id = Contact::getIdForURL($item[$field]);
508 if ($user_contact_id) {
509 return $user_contact_id;
512 if (!empty($item['causer-id']) && Contact::isSharing($item['causer-id'], $item['uid'], true)) {
513 $cdata = Contact::getPublicAndUserContactID($item['causer-id'], $item['uid']);
514 if (!empty($cdata['user'])) {
515 return $cdata['user'];
523 Logger::warning('contact-id could not be fetched, using self contact instead.', ['uid' => $item['uid'], 'item' => $item]);
524 $self = Contact::selectFirst(['id'], ['self' => true, 'uid' => $item['uid']]);
529 * Write an item array into a spool file to be inserted later.
530 * This command is called whenever there are issues storing an item.
532 * @param array $item The item fields that are to be inserted
535 private static function spool(array $item)
537 // Now we store the data in the spool directory
538 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
539 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
541 $spoolpath = System::getSpoolPath();
542 if ($spoolpath != '') {
543 $spool = $spoolpath . '/' . $file;
545 file_put_contents($spool, json_encode($item));
546 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
551 * Check if the item array is a duplicate
553 * @param array $item Item record
554 * @return boolean is it a duplicate?
556 private static function isDuplicate(array $item): bool
558 // Checking if there is already an item with the same guid
559 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
560 if (Post::exists($condition)) {
561 Logger::notice('Found already existing item', $condition);
566 'uri-id' => $item['uri-id'], 'uid' => $item['uid'],
567 'network' => [$item['network'], Protocol::DFRN]
569 if (Post::exists($condition)) {
570 Logger::notice('duplicated item with the same uri found.', $condition);
574 // On Friendica and Diaspora the GUID is unique
575 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
576 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
577 if (Post::exists($condition)) {
578 Logger::notice('duplicated item with the same guid found.', $condition);
581 } elseif ($item['network'] == Protocol::OSTATUS) {
582 // Check for an existing post with the same content. There seems to be a problem with OStatus.
584 "`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
585 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']
587 if (Post::exists($condition)) {
588 Logger::notice('duplicated item with the same body found.', $item);
594 * Check for already added items.
595 * There is a timing issue here that sometimes creates double postings.
596 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
598 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
599 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
607 * Check if the item array is valid
609 * @param array $item Item record
610 * @return boolean item is valid
612 public static function isValid(array $item): bool
614 // When there is no content then we don't post it
615 if (($item['body'] . $item['title'] == '') && empty($item['quote-uri-id']) && empty($item['attachments']) && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
616 Logger::notice('No body, no title.');
620 if (!empty($item['uid'])) {
621 $owner = User::getOwnerDataById($item['uid'], false);
623 Logger::warning('Missing item user owner data', ['uid' => $item['uid']]);
627 if ($owner['account_expired'] || $owner['account_removed']) {
628 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
633 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
634 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
638 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
639 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
643 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
644 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
648 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
649 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
653 if ($item['verb'] == Activity::FOLLOW) {
654 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
655 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
656 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
661 'verb' => Activity::FOLLOW, 'uid' => $item['uid'],
662 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']
664 if (Post::exists($condition)) {
665 // It happens that we receive multiple follow requests by the same author - we only store one.
666 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
675 * Check if the item array is too old
677 * @param array $item Item record
678 * @return boolean item is too old
680 public static function isTooOld(array $item): bool
682 // check for create date and expire time
683 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
685 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
686 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
687 $expire_interval = $user['expire'];
690 if (($expire_interval > 0) && !empty($item['created'])) {
691 $expire_date = time() - ($expire_interval * 86400);
692 $created_date = strtotime($item['created']);
693 if ($created_date < $expire_date) {
694 Logger::notice('Item created before expiration interval.', [
695 'created' => date('c', $created_date),
696 'expired' => date('c', $expire_date),
707 * Return the id of the given item array if it has been stored before
709 * @param array $item Item record
710 * @return integer Item id or zero on error
712 private static function getDuplicateID(array $item): int
714 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
716 '`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
719 Protocol::ACTIVITYPUB,
724 $existing = Post::selectFirst(['id', 'network'], $condition);
725 if (DBA::isResult($existing)) {
726 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
727 if ($item['uid'] != 0) {
728 Logger::notice('Item already existed for user', [
729 'uri-id' => $item['uri-id'],
730 'uid' => $item['uid'],
731 'network' => $item['network'],
732 'existing_id' => $existing['id'],
733 'existing_network' => $existing['network']
737 return $existing['id'];
744 * Fetch the uri-id of the parent for the given uri-id
746 * @param integer $uriid
749 public static function getParent(int $uriid): int
751 $thread_parent = Post::selectFirstPost(['thr-parent-id', 'gravity'], ['uri-id' => $uriid]);
752 if (empty($thread_parent)) {
756 if ($thread_parent['gravity'] == Item::GRAVITY_PARENT) {
760 return self::getParent($thread_parent['thr-parent-id']);
764 * Fetch top-level parent data for the given item array
767 * @return array item array with parent data
770 private static function getTopLevelParent(array $item): array
773 'uid', 'uri', 'parent-uri', 'id', 'deleted',
774 'uri-id', 'parent-uri-id',
775 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
776 'wall', 'private', 'origin', 'author-id'
778 $condition = ['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => $item['uid']];
779 $params = ['order' => ['id' => false]];
780 $parent = Post::selectFirst($fields, $condition, $params);
782 if (!DBA::isResult($parent) && Post::exists(['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => 0])) {
783 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
784 if (!$stored && ($item['thr-parent-id'] != $item['parent-uri-id'])) {
785 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
788 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
789 $parent = Post::selectFirst($fields, $condition, $params);
793 if (!DBA::isResult($parent)) {
794 Logger::notice('item parent was not found - ignoring item', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'callstack' => System::callstack(20)]);
798 if ($parent['uri-id'] == $parent['parent-uri-id']) {
803 'uri-id' => $parent['parent-uri-id'],
804 'parent-uri-id' => $parent['parent-uri-id'],
805 'uid' => $parent['uid']
807 $params = ['order' => ['id' => false]];
808 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
810 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
811 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
812 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
813 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
816 if (!DBA::isResult($toplevel_parent)) {
817 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
821 return $toplevel_parent;
825 * Get the gravity for the given item array
828 * @return integer gravity
830 private static function getGravity(array $item): int
832 $activity = DI::activity();
834 if (isset($item['gravity'])) {
835 return intval($item['gravity']);
836 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
837 return self::GRAVITY_PARENT;
838 } elseif ($activity->match($item['verb'], Activity::POST)) {
839 return self::GRAVITY_COMMENT;
840 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
841 return self::GRAVITY_ACTIVITY;
842 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
843 return self::GRAVITY_ACTIVITY;
846 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
847 return self::GRAVITY_UNKNOWN; // Should not happen
850 private static function prepareOriginPost(array $item): array
852 $item = DI::contentItem()->initializePost($item);
853 $item = DI::contentItem()->finalizePost($item);
859 * Inserts item record
861 * @param array $item Item array to be inserted
862 * @param int $notify Notification (type?)
863 * @param bool $post_local (???)
864 * @return int Zero means error, otherwise primary key (id) is being returned
866 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
870 $priority = Worker::PRIORITY_HIGH;
872 // If it is a posting where users should get notifications, then define it as wall posting
874 $item = self::prepareOriginPost($item);
876 if (is_int($notify) && in_array($notify, Worker::PRIORITIES)) {
880 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
883 $uid = intval($item['uid']);
885 $item['guid'] = self::guid($item, $notify);
886 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['guid']), 0, 255);
889 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
891 // Backward compatibility: parent-uri used to be the direct parent uri.
892 // If it is provided without a thr-parent, it probably is the old behavior.
893 if (empty($item['thr-parent']) || empty($item['parent-uri'])) {
894 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
895 $item['parent-uri'] = $item['thr-parent'];
898 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
899 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
901 // Store conversation data
902 $source = $item['source'] ?? '';
903 unset($item['conversation-uri']);
904 unset($item['conversation-href']);
905 unset($item['source']);
908 * Do we already have this item?
909 * We have to check several networks since Friendica posts could be repeated
910 * via OStatus (maybe Diaspora as well)
912 $duplicate = self::getDuplicateID($item);
917 // Additional duplicate checks
918 /// @todo Check why the first duplication check returns the item number and the second a 0
919 if (self::isDuplicate($item)) {
923 if (!isset($item['post-type'])) {
924 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
927 $defined_permissions = isset($item['allow_cid']) && isset($item['allow_gid']) && isset($item['deny_cid']) && isset($item['deny_gid']) && isset($item['private']);
929 $item['wall'] = intval($item['wall'] ?? 0);
930 $item['extid'] = trim($item['extid'] ?? '');
931 $item['author-name'] = trim($item['author-name'] ?? '');
932 $item['author-link'] = trim($item['author-link'] ?? '');
933 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
934 $item['owner-name'] = trim($item['owner-name'] ?? '');
935 $item['owner-link'] = trim($item['owner-link'] ?? '');
936 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
937 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
938 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
939 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
940 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
941 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
942 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
943 $item['location'] = trim($item['location'] ?? '');
944 $item['coord'] = trim($item['coord'] ?? '');
945 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
946 $item['deleted'] = 0;
947 $item['verb'] = trim($item['verb'] ?? '');
948 $item['object-type'] = trim($item['object-type'] ?? '');
949 $item['object'] = trim($item['object'] ?? '');
950 $item['target-type'] = trim($item['target-type'] ?? '');
951 $item['target'] = trim($item['target'] ?? '');
952 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
953 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
954 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
955 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
956 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
957 $item['private'] = intval($item['private'] ?? self::PUBLIC);
958 $item['body'] = trim($item['body'] ?? '');
959 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
960 $item['app'] = trim($item['app'] ?? '');
961 $item['origin'] = intval($item['origin'] ?? 0);
962 $item['postopts'] = trim($item['postopts'] ?? '');
963 $item['resource-id'] = trim($item['resource-id'] ?? '');
964 $item['event-id'] = intval($item['event-id'] ?? 0);
965 $item['inform'] = trim($item['inform'] ?? '');
966 $item['file'] = trim($item['file'] ?? '');
968 // Communities aren't working with the Diaspora protocol
969 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
970 $user = User::getById($uid, ['account-type']);
971 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
972 Logger::info('Community posts are not supported via Diaspora');
977 // Items cannot be stored before they happen ...
978 if ($item['created'] > DateTimeFormat::utcNow()) {
979 $item['created'] = DateTimeFormat::utcNow();
982 // We haven't invented time travel by now.
983 if ($item['edited'] > DateTimeFormat::utcNow()) {
984 $item['edited'] = DateTimeFormat::utcNow();
987 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
989 $item['gravity'] = self::getGravity($item);
992 'url' => $item['author-link'], 'name' => $item['author-name'],
993 'photo' => $item['author-avatar'], 'network' => $item['network']
995 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
998 'url' => $item['owner-link'], 'name' => $item['owner-name'],
999 'photo' => $item['owner-avatar'], 'network' => $item['network']
1001 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1003 $item['post-reason'] = self::getPostReason($item);
1005 // Ensure that there is an avatar cache
1006 Contact::checkAvatarCache($item['author-id']);
1007 Contact::checkAvatarCache($item['owner-id']);
1009 $item['contact-id'] = self::contactId($item);
1012 !empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
1013 empty($item['origin']) && self::isTooOld($item)
1015 Logger::info('Item is too old', ['item' => $item]);
1019 if (!self::isValid($item)) {
1023 if ($item['gravity'] !== self::GRAVITY_PARENT) {
1024 $toplevel_parent = self::getTopLevelParent($item);
1025 if (empty($toplevel_parent)) {
1029 $parent_id = $toplevel_parent['id'];
1030 $item['parent-uri'] = $toplevel_parent['uri'];
1031 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
1032 $item['deleted'] = $toplevel_parent['deleted'];
1033 $item['wall'] = $toplevel_parent['wall'];
1035 // Reshares have to keep their permissions to allow groups to work
1036 if (!$defined_permissions && (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE))) {
1037 $item['allow_cid'] = $toplevel_parent['allow_cid'];
1038 $item['allow_gid'] = $toplevel_parent['allow_gid'];
1039 $item['deny_cid'] = $toplevel_parent['deny_cid'];
1040 $item['deny_gid'] = $toplevel_parent['deny_gid'];
1043 $parent_origin = $toplevel_parent['origin'];
1045 // Don't federate received participation messages
1046 if ($item['verb'] != Activity::FOLLOW) {
1047 $item['wall'] = $toplevel_parent['wall'];
1049 $item['wall'] = false;
1050 // Participations are technical messages, so they are set to "seen" automatically
1051 $item['unseen'] = false;
1055 * If the parent is private, force privacy for the entire conversation
1056 * This differs from the above settings as it subtly allows comments from
1057 * email correspondents to be private even if the overall thread is not.
1059 if (!$defined_permissions && $toplevel_parent['private']) {
1060 $item['private'] = $toplevel_parent['private'];
1063 // If its a post that originated here then tag the thread as "mention"
1064 if ($item['origin'] && $item['uid']) {
1065 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1066 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1069 // Update the contact relations
1070 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1073 $parent_origin = $item['origin'];
1075 if ($item['wall'] && empty($item['conversation'])) {
1076 $item['conversation'] = $item['parent-uri'] . '#context';
1080 if ($item['origin']) {
1081 if (Photo::setPermissionFromBody($item['body'], $item['uid'], $item['contact-id'], $item['allow_cid'], $item['allow_gid'], $item['deny_cid'], $item['deny_gid'])) {
1082 $item['object-type'] = Activity\ObjectType::IMAGE;
1085 $item = DI::contentItem()->moveAttachmentsFromBodyToAttach($item);
1088 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1089 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1091 if (!empty($item['conversation']) && empty($item['conversation-id'])) {
1092 $item['conversation-id'] = ItemURI::getIdByURI($item['conversation']);
1095 // Is this item available in the global items (with uid=0)?
1096 if ($item['uid'] == 0) {
1097 $item['global'] = true;
1099 // Set the global flag on all items if this was a global item entry
1100 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
1102 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
1106 if (!$defined_permissions && !empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
1107 $item['private'] = self::PRIVATE;
1110 if ($notify && $post_local) {
1111 $item['edit'] = false;
1112 $item['parent'] = $parent_id;
1114 // Trigger automatic reactions for addons
1115 if (!isset($item['api_source'])) {
1116 $item['api_source'] = true;
1119 // We have to tell the hooks who we are - this really should be improved
1120 if (!DI::userSession()->getLocalUserId()) {
1121 $_SESSION['authenticated'] = true;
1122 $_SESSION['uid'] = $uid;
1123 $dummy_session = true;
1125 $dummy_session = false;
1128 Hook::callAll('post_local', $item);
1130 if ($dummy_session) {
1131 unset($_SESSION['authenticated']);
1132 unset($_SESSION['uid']);
1134 } elseif (!$notify) {
1135 Hook::callAll('post_remote', $item);
1138 if (!empty($item['cancel'])) {
1139 Logger::notice('post cancelled by addon.');
1143 if (empty($item['vid']) && !empty($item['verb'])) {
1144 $item['vid'] = Verb::getID($item['verb']);
1147 // Creates or assigns the permission set
1148 $item['psid'] = DI::permissionSet()->selectOrCreate(
1149 DI::permissionSetFactory()->createFromString(
1158 if (!empty($item['extid'])) {
1159 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1162 if ($item['verb'] == Activity::ANNOUNCE) {
1163 self::setOwnerforResharedItem($item);
1166 if (isset($item['attachments'])) {
1167 foreach ($item['attachments'] as $attachment) {
1168 $attachment['uri-id'] = $item['uri-id'];
1169 Post\Media::insert($attachment);
1171 unset($item['attachments']);
1174 if (empty($item['quote-uri-id'])) {
1175 $quote_id = self::getQuoteUriId($item['body']);
1176 if (!empty($quote_id)) {
1177 // This is one of these "should not happen" situations.
1178 // The protocol implementations should already have done this job.
1179 Logger::notice('Quote-uri-id detected in post', ['id' => $quote_id, 'guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'callstack' => System::callstack(20)]);
1180 $item['quote-uri-id'] = $quote_id;
1184 if (!empty($item['quote-uri-id'])) {
1185 $item['raw-body'] = BBCode::removeSharedData($item['raw-body']);
1186 $item['body'] = BBCode::removeSharedData($item['body']);
1189 // Remove all media attachments from the body and store them in the post-media table
1190 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1191 $item['raw-body'] = self::setHashtags($item['raw-body']);
1193 $author = Contact::getById($item['author-id'], ['network']);
1194 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body'], $item['body'], $author['network'] ?? '');
1196 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1197 $item['body'] = BBCode::removeAttachment($item['body']);
1198 $item['raw-body'] = BBCode::removeAttachment($item['raw-body']);
1200 // Check for hashtags in the body and repair or add hashtag links
1201 $item['body'] = self::setHashtags($item['body']);
1203 $item['language'] = self::getLanguage($item);
1205 $notify_type = Delivery::POST;
1207 // Filling item related side tables
1208 if (!empty($item['attach'])) {
1209 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1212 if (empty($item['event-id'])) {
1213 unset($item['event-id']);
1215 $ev = Event::fromBBCode($item['body']);
1216 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1217 Logger::info('Event found.');
1218 $ev['cid'] = $item['contact-id'];
1219 $ev['uid'] = $item['uid'];
1220 $ev['uri'] = $item['uri'];
1221 $ev['edited'] = $item['edited'];
1222 $ev['private'] = $item['private'];
1223 $ev['guid'] = $item['guid'];
1224 $ev['plink'] = $item['plink'];
1225 $ev['network'] = $item['network'];
1226 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1227 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1228 $ev['source'] = $item['source'] ?? '';
1230 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1231 if (DBA::isResult($event)) {
1232 $ev['id'] = $event['id'];
1235 $event_id = Event::store($ev);
1236 $item = Event::getItemArrayForImportedId($event_id, $item);
1238 Logger::info('Event was stored', ['id' => $event_id]);
1242 if (empty($item['causer-id'])) {
1243 unset($item['causer-id']);
1246 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1247 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1248 if (!empty($content_warning) && empty($item['content-warning'])) {
1249 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1253 Post::insert($item['uri-id'], $item);
1255 if ($item['gravity'] == self::GRAVITY_PARENT) {
1256 Post\Thread::insert($item['uri-id'], $item);
1259 // The content of activities normally doesn't matter - except for likes from Misskey
1260 if (!in_array($item['verb'], self::ACTIVITIES) || in_array($item['verb'], [Activity::LIKE, Activity::DISLIKE]) && !empty($item['body']) && (mb_strlen($item['body']) == 1)) {
1261 Post\Content::insert($item['uri-id'], $item);
1264 $item['parent'] = $parent_id;
1266 // Create Diaspora signature
1267 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != self::GRAVITY_PARENT)) {
1268 $signed = Diaspora::createCommentSignature($item);
1269 if (!empty($signed)) {
1270 $item['diaspora_signed_text'] = json_encode($signed);
1274 if (!empty($item['diaspora_signed_text'])) {
1275 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1278 // Attached file links
1279 if (!empty($item['file'])) {
1280 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1283 // Delivery relevant data
1284 $delivery_data = Post\DeliveryData::extractFields($item);
1286 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1287 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1290 // Store tags from the body if this hadn't been handled previously in the protocol classes
1291 if (!Tag::existsForPost($item['uri-id'])) {
1292 Tag::storeFromBody($item['uri-id'], $item['body']);
1295 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1296 if (Post::exists($condition)) {
1297 Logger::notice('Item is already inserted - aborting', $condition);
1301 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1302 if (!$post_user_id) {
1303 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1307 if ($item['gravity'] == self::GRAVITY_PARENT) {
1308 $item['post-user-id'] = $post_user_id;
1309 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1312 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1314 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1315 if (!DBA::isResult($posted_item)) {
1316 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1317 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1318 self::spool($orig_item);
1322 // update the commented timestamp on the parent
1323 if (DI::config()->get('system', 'like_no_comment')) {
1324 // Update when it is a comment
1325 $update_commented = in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]);
1327 // Update when it isn't a follow or tag verb
1328 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1331 if ($update_commented) {
1332 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1334 $fields = ['changed' => DateTimeFormat::utcNow()];
1337 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1339 // In that function we check if this is a group post. Additionally we delete the item under certain circumstances
1340 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1341 // Get the user information for the logging
1342 $user = User::getById($uid);
1344 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1349 DI::contentItem()->postProcessPost($posted_item);
1351 Hook::callAll('post_remote_end', $posted_item);
1354 if ($posted_item['gravity'] === self::GRAVITY_PARENT) {
1355 self::addShadow($post_user_id);
1357 self::addShadowPost($post_user_id);
1360 self::updateContact($posted_item);
1362 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1364 // Distribute items to users who subscribed to their tags
1365 self::distributeByTags($posted_item);
1367 // Automatically reshare the item if the "remote_self" option is selected
1368 self::autoReshare($posted_item);
1370 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1373 if ($posted_item['uid'] && Contact\User::isBlocked($posted_item['author-id'], $posted_item['uid'])) {
1374 Logger::info('Message from blocked author will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['author-id']]);
1377 if ($transmit && $posted_item['uid'] && Contact\User::isBlocked($posted_item['owner-id'], $posted_item['uid'])) {
1378 Logger::info('Message from blocked owner will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['owner-id']]);
1381 if ($transmit && !empty($posted_item['causer-id']) && $posted_item['uid'] && Contact\User::isBlocked($posted_item['causer-id'], $posted_item['uid'])) {
1382 Logger::info('Message from blocked causer will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['causer-id']]);
1386 // Don't relay participation messages
1387 if (($posted_item['verb'] == Activity::FOLLOW) &&
1388 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))
1390 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1395 if (!empty($source) && ($transmit || DI::config()->get('debug', 'store_source'))) {
1396 Post\Activity::insert($item['uri-id'], $source);
1400 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1403 // Fill the cache with the rendered content.
1404 if (in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1405 self::updateDisplayCache($posted_item['uri-id']);
1408 Post\Engagement::storeFromItem($posted_item);
1410 return $post_user_id;
1414 * Fetch the post reason for a given item array
1416 * @param array $item
1420 public static function getPostReason(array $item): int
1422 $actor = ($item['gravity'] == self::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1423 if (empty($item['origin']) && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1424 return self::PR_FOLLOWER;
1427 if (!empty($item['origin']) && empty($item['post-reason'])) {
1428 return self::PR_LOCAL;
1431 return $item['post-reason'] ?? self::PR_NONE;
1435 * Update the display cache
1437 * @param integer $uri_id
1439 * @throws InternalServerErrorException
1440 * @throws \ImagickException
1442 public static function updateDisplayCache(int $uri_id)
1444 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1449 self::prepareBody($item, false, false, true);
1453 * Change the owner of a parent item if it had been shared by a group
1455 * (public) group posts in the new format consist of the regular post by the author
1456 * followed by an announce message sent from the group account.
1457 * Changing the owner helps in grouping group posts.
1459 * @param array $item
1462 private static function setOwnerforResharedItem(array $item)
1464 $parent = Post::selectFirst(
1465 ['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1466 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]
1468 if (!DBA::isResult($parent)) {
1469 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1473 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1474 if (!DBA::isResult($author)) {
1475 Logger::error('Author not found', ['id' => $item['author-id']]);
1479 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1480 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1482 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1483 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1484 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1488 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1489 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1490 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1494 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1495 Logger::info('The resharer is no group: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1500 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1501 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1505 * Distribute the given item to users who subscribed to their tags
1507 * @param array $item Processed item
1509 private static function distributeByTags(array $item)
1511 if (($item['uid'] != 0) || ($item['gravity'] != self::GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1515 foreach (Tag::getUIDListByURIId($item['uri-id']) as $uid => $tags) {
1516 $stored = self::storeForUserByUriId($item['uri-id'], $uid, ['post-reason' => self::PR_TAG]);
1517 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1518 foreach ($tags as $tag) {
1519 $stored = Category::storeFileByURIId($item['uri-id'], $uid, Category::SUBCRIPTION, $tag);
1520 Logger::debug('Stored tag subscription for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, $tag, 'stored' => $stored]);
1526 * Distributes public items to the receivers
1528 * @param integer $itemid Item ID that should be added
1529 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1530 * @throws \Exception
1532 public static function distribute(int $itemid, string $signed_text = '')
1534 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1535 $parent = Post::selectFirst(['owner-id'], $condition);
1536 if (!DBA::isResult($parent)) {
1537 Logger::warning('Item not found', ['condition' => $condition]);
1541 // Only distribute public items from native networks
1543 'id' => $itemid, 'uid' => 0,
1544 'network' => array_merge(Protocol::FEDERATED, ['']),
1545 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]
1547 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), $condition);
1548 if (!DBA::isResult($item)) {
1549 Logger::warning('Item not found', ['condition' => $condition]);
1553 $origin = $item['origin'];
1557 /// @todo add a field "pcid" in the contact table that refers to the public contact id.
1558 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1559 if (!DBA::isResult($owner)) {
1563 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1564 $contacts = DBA::select('contact', ['uid'], $condition);
1565 while ($contact = DBA::fetch($contacts)) {
1566 if ($contact['uid'] == 0) {
1570 $users[$contact['uid']] = $contact['uid'];
1572 DBA::close($contacts);
1574 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1575 $contacts = DBA::select('contact', ['uid'], $condition);
1576 while ($contact = DBA::fetch($contacts)) {
1577 if ($contact['uid'] == 0) {
1581 $users[$contact['uid']] = $contact['uid'];
1583 DBA::close($contacts);
1585 if (!empty($owner['alias'])) {
1586 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1587 $contacts = DBA::select('contact', ['uid'], $condition);
1588 while ($contact = DBA::fetch($contacts)) {
1589 if ($contact['uid'] == 0) {
1593 $users[$contact['uid']] = $contact['uid'];
1595 DBA::close($contacts);
1600 if ($item['uri-id'] != $item['parent-uri-id']) {
1601 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1602 while ($parent = Post::fetch($parents)) {
1603 $users[$parent['uid']] = $parent['uid'];
1604 if ($parent['origin'] && !$origin) {
1605 $origin_uid = $parent['uid'];
1608 DBA::close($parents);
1611 foreach ($users as $uid) {
1612 if ($origin_uid == $uid) {
1613 $item['diaspora_signed_text'] = $signed_text;
1615 $item['post-reason'] = self::PR_DISTRIBUTE;
1616 self::storeForUser($item, $uid);
1621 * Store a public item defined by their URI-ID for the given users
1623 * @param integer $uri_id URI-ID of the given item
1624 * @param integer $uid The user that will receive the item entry
1625 * @param array $fields Additional fields to be stored
1626 * @param integer $source_uid User id of the source post
1627 * @return integer stored item id
1629 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1631 if ($uid == $source_uid) {
1632 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1636 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['uri-id' => $uri_id, 'uid' => $source_uid]);
1637 if (!DBA::isResult($item)) {
1638 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1642 if (($uid != 0) && ($item['gravity'] == self::GRAVITY_PARENT)) {
1643 $owner = User::getOwnerDataById($uid);
1644 if (($owner['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && !Tag::isMentioned($uri_id, $owner['url'])) {
1645 Logger::info('Target user is a group but is not mentioned here, thread will not be stored', ['uid' => $uid, 'uri-id' => $uri_id]);
1650 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1651 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']]);
1655 $item['post-reason'] = self::PR_STORED;
1657 $item = array_merge($item, $fields);
1659 if (($uid != 0) && Contact::isSharing(($item['gravity'] == Item::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'], $uid)) {
1660 $item['post-reason'] = self::PR_FOLLOWER;
1663 $is_reshare = ($item['gravity'] == self::GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1665 if (($uid != 0) && (($item['gravity'] == self::GRAVITY_PARENT) || $is_reshare) &&
1666 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1667 !in_array($item['post-reason'], [self::PR_FOLLOWER, self::PR_TAG, self::PR_TO, self::PR_CC, self::PR_ACTIVITY, self::PR_AUDIENCE])
1669 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']]);
1673 $causer = $item['causer-id'] ?: $item['author-id'];
1675 if (($uri_id != $item['parent-uri-id']) && ($item['gravity'] == self::GRAVITY_COMMENT) && !Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
1676 if (!self::fetchParent($item['parent-uri-id'], $uid, $causer)) {
1677 Logger::info('Parent post had not been added', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1680 Logger::info('Fetched parent post', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1681 } elseif (($uri_id != $item['thr-parent-id']) && $is_reshare && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1682 if (!self::fetchParent($item['thr-parent-id'], $uid, $causer)) {
1683 Logger::info('Thread parent had not been added', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1686 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1689 $stored = self::storeForUser($item, $uid);
1690 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'causer' => $causer, 'source-uid' => $source_uid, 'stored' => $stored]);
1695 * Fetch the parent with the given uri-id
1697 * @param integer $uri_id
1698 * @param integer $uid
1699 * @param integer $causer
1703 private static function fetchParent(int $uri_id, int $uid, int $causer): int
1705 // Fetch the origin user for the post
1706 $origin_uid = self::GetOriginUidForUriId($uri_id, $uid);
1707 if (is_null($origin_uid)) {
1708 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $uri_id]);
1712 return self::storeForUserByUriId($uri_id, $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1716 * Returns the origin uid of a post if the given user is allowed to see it.
1722 private static function GetOriginUidForUriId(int $uriid, int $uid)
1724 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1728 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1729 if (!empty($post)) {
1730 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1731 return $post['uid'];
1734 $pcid = Contact::getPublicIdByUserId($uid);
1739 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1740 if ($receiver == $pcid) {
1741 return $post['uid'];
1748 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1752 // When the post belongs to a a group then all group users are allowed to access it
1753 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1754 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1755 $target_uid = User::getIdForURL($tag['url']);
1756 if (!empty($target_uid)) {
1766 * Store a public item array for the given users
1768 * @param array $item The item entry that will be stored
1769 * @param integer $uid The user that will receive the item entry
1770 * @return integer stored item id
1771 * @throws \Exception
1773 private static function storeForUser(array $item, int $uid): int
1775 $post = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1776 if (!empty($post['id'])) {
1777 if (!empty($item['event-id'])) {
1778 $event_post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1779 if (!empty($event_post['event-id'])) {
1780 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish'], ['id' => $item['event-id']]);
1781 if (!empty($event)) {
1782 // We aren't using "Event::store" here, since we don't want to trigger any further action
1783 $ret = DBA::update('event', $event, ['id' => $event_post['event-id']]);
1784 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $event_post['event-id'], 'ret' => $ret]);
1788 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'id' => $post['id']]);
1792 // Data from the "post-user" table
1794 unset($item['mention']);
1795 unset($item['starred']);
1796 unset($item['unseen']);
1797 unset($item['psid']);
1798 unset($item['pinned']);
1799 unset($item['ignored']);
1800 unset($item['pubmail']);
1801 unset($item['event-id']);
1802 unset($item['hidden']);
1803 unset($item['notification-type']);
1805 // Data from the "post-delivery-data" table
1806 unset($item['postopts']);
1807 unset($item['inform']);
1809 $item['uid'] = $uid;
1810 $item['origin'] = 0;
1814 if ($item['gravity'] == self::GRAVITY_PARENT) {
1815 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1816 if (DBA::isResult($contact)) {
1817 $notify = self::isRemoteSelf($contact, $item);
1818 $item['wall'] = (bool)$notify;
1822 $item['contact-id'] = self::contactId($item);
1823 $distributed = self::insert($item, $notify);
1825 if (!$distributed) {
1826 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1828 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1830 return $distributed;
1834 * Add a shadow entry for a given item id that is a thread starter
1836 * We store every public item entry additionally with the user id "0".
1837 * This is used for the community page and for the search.
1838 * It is planned that in the future we will store public item entries only once.
1840 * @param integer $itemid Item ID that should be added
1841 * @throws \Exception
1843 private static function addShadow(int $itemid)
1845 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1846 $condition = ['id' => $itemid, 'gravity' => self::GRAVITY_PARENT];
1847 $item = Post::selectFirst($fields, $condition);
1849 if (!DBA::isResult($item)) {
1853 // is it already a copy?
1854 if (($itemid == 0) || ($item['uid'] == 0)) {
1858 // Is it a visible public post?
1859 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1863 // is it an entry from a connector? Only add an entry for natively connected networks
1864 if (!in_array($item["network"], array_merge(Protocol::FEDERATED, ['']))) {
1868 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1872 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1874 if (DBA::isResult($item)) {
1875 // Preparing public shadow (removing user specific data)
1878 unset($item['parent']);
1879 unset($item['wall']);
1880 unset($item['mention']);
1881 unset($item['origin']);
1882 unset($item['starred']);
1883 unset($item['postopts']);
1884 unset($item['inform']);
1885 unset($item['post-reason']);
1886 if ($item['uri-id'] == $item['parent-uri-id']) {
1887 $item['contact-id'] = $item['owner-id'];
1889 $item['contact-id'] = $item['author-id'];
1892 $public_shadow = self::insert($item);
1894 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1899 * Add a shadow entry for a given item id that is a comment
1901 * This function does the same like the function above - but for comments
1903 * @param integer $itemid Item ID that should be added
1904 * @throws \Exception
1906 private static function addShadowPost(int $itemid)
1908 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1909 if (!DBA::isResult($item)) {
1913 // Is it a toplevel post?
1914 if ($item['gravity'] == self::GRAVITY_PARENT) {
1915 self::addShadow($itemid);
1919 // Is this a shadow entry?
1920 if ($item['uid'] == 0) {
1924 // Is there a shadow parent?
1925 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1929 // Is there already a shadow entry?
1930 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1934 // Save "origin" and "parent" state
1935 $origin = $item['origin'];
1936 $parent = $item['parent'];
1938 // Preparing public shadow (removing user specific data)
1941 unset($item['parent']);
1942 unset($item['wall']);
1943 unset($item['mention']);
1944 unset($item['origin']);
1945 unset($item['starred']);
1946 unset($item['postopts']);
1947 unset($item['inform']);
1948 unset($item['post-reason']);
1949 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1951 $public_shadow = self::insert($item);
1953 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1955 // If this was a comment to a Diaspora post we don't get our comment back.
1956 // This means that we have to distribute the comment by ourselves.
1957 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1958 self::distribute($public_shadow);
1963 * Adds a language specification in a "language" element of given $arr.
1964 * Expects "body" element to exist in $arr.
1966 * @param array $item
1967 * @return string detected language
1968 * @throws \Text_LanguageDetect_Exception
1970 private static function getLanguage(array $item): string
1972 if (!empty($item['language'])) {
1973 return $item['language'];
1976 if (!in_array($item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) || empty($item['body'])) {
1980 $languages = self::getLanguageArray(trim($item['title'] . "\n" . $item['body']), 3);
1981 if (empty($languages)) {
1985 return json_encode($languages);
1989 * Get a language array from a given text
1991 * @param string $body
1992 * @param integer $count
1995 public static function getLanguageArray(string $body, int $count): array
1997 // Convert attachments to links
1998 $naked_body = BBCode::removeAttachment($body);
1999 if (empty($naked_body)) {
2003 // Remove links and pictures
2004 $naked_body = BBCode::removeLinks($naked_body);
2006 // Convert the title and the body to plain text
2007 $naked_body = BBCode::toPlaintext($naked_body);
2009 // Remove possibly remaining links
2010 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
2012 if (empty($naked_body)) {
2016 $naked_body = self::getDominantLanguage($naked_body);
2018 $availableLanguages = DI::l10n()->getAvailableLanguages(true);
2019 $availableLanguages = DI::l10n()->convertForLanguageDetection($availableLanguages);
2021 $ld = new Language(array_keys($availableLanguages));
2022 return $ld->detect($naked_body)->limit(0, $count)->close() ?: [];
2026 * Check if latin or non latin are dominant in the body and only return the dominant one
2028 * @param string $body
2031 private static function getDominantLanguage(string $body): string
2035 for ($i = 0; $i < mb_strlen($body); $i++) {
2036 $character = mb_substr($body, $i, 1);
2037 $ord = mb_ord($character);
2039 // We add the most common characters to both strings.
2040 if (($ord <= 64) || ($ord >= 91 && $ord <= 96) || ($ord >= 123 && $ord <= 191) || in_array($ord, [215, 247]) || ($ord >= 697 && $ord <= 735) || ($ord > 65535)) {
2041 $latin .= $character;
2042 $non_latin .= $character;
2043 } elseif ($ord < 768) {
2044 $latin .= $character;
2046 $non_latin .= $character;
2049 return (mb_strlen($latin) > mb_strlen($non_latin)) ? $latin : $non_latin;
2052 public static function getLanguageMessage(array $item): string
2054 $iso639 = new \Matriphe\ISO639\ISO639;
2056 $used_languages = '';
2057 foreach (json_decode($item['language'], true) as $language => $reliability) {
2058 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
2060 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2061 return $used_languages;
2065 * Creates an unique guid out of a given uri.
2066 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
2067 * Posts that are created on this system are using System::createUUID.
2068 * Received ActivityPub posts are using Processor::getGUIDByURL.
2070 * @param string $uri uri of an item entry
2071 * @param string|null $host hostname for the GUID prefix
2072 * @return string Unique guid
2073 * @throws \Exception
2075 public static function guidFromUri(string $uri, string $host = null): string
2077 // Our regular guid routine is using this kind of prefix as well
2078 // We have to avoid that different routines could accidentally create the same value
2079 $parsed = parse_url($uri);
2081 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2082 unset($parsed['scheme']);
2084 $hostPart = $host ?: $parsed['host'] ?? '';
2086 Logger::warning('Empty host GUID part', ['uri' => $uri, 'host' => $host, 'parsed' => $parsed, 'callstack' => System::callstack(10)]);
2089 // Glue it together to be able to make a hash from it
2090 if (!empty($parsed)) {
2091 $host_id = implode('/', $parsed);
2096 // Use a mixture of several hashes to provide some GUID like experience
2097 return hash('crc32', $hostPart) . '-' . hash('joaat', $host_id) . '-' . hash('fnv164', $host_id);
2101 * generate an unique URI
2103 * @param string $guid An existing GUID (Otherwise it will be generated)
2106 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2108 public static function newURI(string $guid = ''): string
2111 $guid = System::createUUID();
2114 return DI::baseUrl() . '/objects/' . $guid;
2118 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2120 * This can be used to filter for inactive contacts.
2121 * Only do this for public postings to avoid privacy problems, since poco data is public.
2122 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2124 * @param array $arr Contains the just posted item record
2125 * @throws \Exception
2127 private static function updateContact(array $arr)
2129 // Unarchive the author
2130 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2131 if (DBA::isResult($contact)) {
2132 Contact::unmarkForArchival($contact);
2135 // Unarchive the contact if it's not our own contact
2136 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2137 if (DBA::isResult($contact)) {
2138 Contact::unmarkForArchival($contact);
2141 /// @todo On private posts we could obfuscate the date
2142 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2144 // Is it a group? Then we don't care about the rules from above
2145 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
2146 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2152 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2153 // So we have to ensure to only update the last item when it had been our own post,
2154 // or it had been done by a "regular" contact.
2155 if (!empty($arr['wall'])) {
2156 $condition = ['id' => $arr['contact-id']];
2158 $condition = ['id' => $arr['contact-id'], 'self' => false];
2160 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2162 // Now do the same for the system wide contacts with uid=0
2163 if ($arr['private'] != self::PRIVATE) {
2165 ['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2166 ['id' => $arr['owner-id']]
2169 if ($arr['owner-id'] != $arr['author-id']) {
2171 ['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2172 ['id' => $arr['author-id']]
2178 public static function setHashtags(string $body): string
2180 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
2181 $tags = BBCode::getTags($body);
2184 if (!count($tags)) {
2188 // This sorting is important when there are hashtags that are part of other hashtags
2189 // Otherwise there could be problems with hashtags like #test and #test2
2190 // Because of this we are sorting from the longest to the shortest tag.
2191 usort($tags, function ($a, $b) {
2192 return strlen($b) <=> strlen($a);
2195 $URLSearchString = "^\[\]";
2197 // All hashtags should point to the home server if "local_tags" is activated
2198 if (DI::config()->get('system', 'local_tags')) {
2199 $body = preg_replace(
2200 "/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2201 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]",
2206 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2207 $body = preg_replace_callback(
2208 "/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2210 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2215 $body = preg_replace_callback(
2216 "/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2218 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2223 $body = preg_replace_callback(
2224 "/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
2226 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2231 // Repair recursive urls
2232 $body = preg_replace(
2233 "/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2238 foreach ($tags as $tag) {
2239 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2243 $basetag = str_replace('_', ' ', substr($tag, 1));
2244 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2246 $body = str_replace($tag, $newtag, $body);
2249 // Convert back the masked hashtags
2250 $body = str_replace("#", "#", $body);
2259 * look for mention tags and setup a second delivery chain for group/community posts if appropriate
2262 * @param int $item_id
2263 * @return boolean true if item was deleted, else false
2264 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2265 * @throws \ImagickException
2267 private static function tagDeliver(int $uid, int $item_id): bool
2269 $owner = User::getOwnerDataById($uid);
2270 if (!DBA::isResult($owner)) {
2271 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2275 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2276 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2280 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [self::GRAVITY_PARENT, self::GRAVITY_COMMENT], 'origin' => false]);
2281 if (!DBA::isResult($item)) {
2282 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2286 if ($item['gravity'] == self::GRAVITY_PARENT) {
2287 if (Tag::isMentioned($item['uri-id'], $owner['url'])) {
2288 Logger::info('Mention found in tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2290 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2291 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2295 $arr = ['item' => $item, 'user' => $owner];
2297 Hook::callAll('tagged', $arr);
2299 if (Tag::isMentioned($item['parent-uri-id'], $owner['url'])) {
2300 Logger::info('Mention found in parent tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2302 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2307 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2309 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2311 $allow_gid = '<' . Circle::FOLLOWERS . '>';
2314 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2316 self::performActivity($item['id'], 'announce', $uid);
2319 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2324 * Automatically reshare the item if the "remote_self" option is selected
2326 * @param array $item
2329 private static function autoReshare(array $item)
2331 if ($item['gravity'] != self::GRAVITY_PARENT) {
2335 $cdata = Contact::getPublicAndUserContactID($item['author-id'], $item['uid']);
2336 if (empty($cdata['user']) || ($cdata['user'] != $item['contact-id'])) {
2340 if (!DBA::exists('contact', ['id' => $cdata['user'], 'remote_self' => LocalRelationship::MIRROR_NATIVE_RESHARE])) {
2344 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2348 if (User::getById($item['uid'], ['blocked'])['blocked'] ?? false) {
2352 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2354 self::performActivity($item['id'], 'announce', $item['uid']);
2357 public static function isRemoteSelf(array $contact, array &$datarray): bool
2359 if ($contact['remote_self'] != LocalRelationship::MIRROR_OWN_POST) {
2363 // Prevent the forwarding of posts that are forwarded
2364 if (!empty($datarray['extid']) && ($datarray['extid'] == Protocol::DFRN)) {
2365 Logger::info('Already forwarded');
2369 // Prevent to forward already forwarded posts
2370 if ($datarray['app'] == DI::baseUrl()->getHost()) {
2371 Logger::info('Already forwarded (second test)');
2375 // Only forward posts
2376 if ($datarray['verb'] != Activity::POST) {
2377 Logger::info('No post');
2381 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2382 Logger::info('Not public');
2386 if (User::getById($contact['uid'], ['blocked'])['blocked'] ?? false) {
2387 Logger::info('User is blocked', ['contact' => $contact]);
2391 $datarray2 = $datarray;
2392 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self' => $contact['remote_self'], 'item' => $datarray]);
2394 $self = DBA::selectFirst(
2396 ['id', 'name', 'url', 'thumb'],
2397 ['uid' => $contact['uid'], 'self' => true]
2399 if (!DBA::isResult($self)) {
2400 Logger::error('Self contact not found', ['uid' => $contact['uid']]);
2404 $datarray['contact-id'] = $self['id'];
2406 $datarray['author-name'] = $datarray['owner-name'] = $self['name'];
2407 $datarray['author-link'] = $datarray['owner-link'] = $self['url'];
2408 $datarray['author-avatar'] = $datarray['owner-avatar'] = $self['thumb'];
2410 unset($datarray['edited']);
2412 unset($datarray['network']);
2413 unset($datarray['owner-id']);
2414 unset($datarray['author-id']);
2416 if ($contact['network'] != Protocol::FEED) {
2417 $old_uri_id = $datarray['uri-id'] ?? 0;
2418 $datarray['guid'] = System::createUUID();
2419 unset($datarray['plink']);
2420 $datarray['uri'] = self::newURI($datarray['guid']);
2421 $datarray['uri-id'] = ItemURI::getIdByURI($datarray['uri']);
2422 $datarray['extid'] = Protocol::DFRN;
2423 $urlpart = parse_url($datarray2['author-link']);
2424 $datarray['app'] = $urlpart['host'];
2425 if (!empty($old_uri_id)) {
2426 Post\Media::copy($old_uri_id, $datarray['uri-id']);
2429 unset($datarray['parent-uri']);
2430 unset($datarray['thr-parent']);
2432 // Store the original post
2433 $result = self::insert($datarray2);
2434 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result' => $result, 'item' => $datarray2]);
2436 $datarray['private'] = self::PUBLIC;
2437 $datarray['app'] = 'Feed';
2441 return (bool)$result;
2448 * @param array $item
2451 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2452 * @throws \ImagickException
2454 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2456 if (DI::config()->get('system', 'disable_embedded')) {
2460 Logger::info('check for photos');
2461 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2466 $img_start = strpos($orig_body, '[img');
2467 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2468 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2470 while (($img_st_close !== false) && ($img_len !== false)) {
2471 $img_st_close++; // make it point to AFTER the closing bracket
2472 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2474 Logger::info('found photo', ['image' => $image]);
2476 if (stristr($image, $site . '/photo/')) {
2477 // Only embed locally hosted photos
2479 $i = basename($image);
2480 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2481 $x = strpos($i, '-');
2484 $res = substr($i, $x + 1);
2485 $i = substr($i, 0, $x);
2486 $photo = Photo::getPhotoForUser($uid, $i, $res);
2487 if (DBA::isResult($photo)) {
2489 * Check to see if we should replace this photo link with an embedded image
2490 * 1. No need to do so if the photo is public
2491 * 2. If there's a contact-id provided, see if they're in the access list
2492 * for the photo. If so, embed it.
2493 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2494 * permissions, regardless of order but first check to see if they're an exact
2495 * match to save some processing overhead.
2497 if (self::hasPermissions($photo)) {
2499 $recips = self::enumeratePermissions($photo);
2500 if (in_array($cid, $recips)) {
2504 if (self::samePermissions($uid, $item, $photo)) {
2510 $photo_img = Photo::getImageForPhoto($photo);
2511 // If a custom width and height were specified, apply before embedding
2512 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2513 Logger::info('scaling photo');
2515 $width = intval($match[1]);
2516 $height = intval($match[2]);
2518 $photo_img->scaleDown(max($width, $height));
2521 $data = $photo_img->asString();
2522 $type = $photo_img->getType();
2524 Logger::info('replacing photo');
2525 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2526 Logger::debug('replaced', ['image' => $image]);
2532 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2533 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2534 if ($orig_body === false) {
2538 $img_start = strpos($orig_body, '[img');
2539 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2540 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2543 $new_body = $new_body . $orig_body;
2548 private static function hasPermissions(array $obj)
2550 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2551 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2554 // @TODO $uid is unused parameter
2555 private static function samePermissions($uid, array $obj1, array $obj2): bool
2557 // first part is easy. Check that these are exactly the same.
2558 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2559 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2560 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2561 && ($obj1['deny_gid'] == $obj2['deny_gid'])
2566 // This is harder. Parse all the permissions and compare the resulting set.
2567 $recipients1 = self::enumeratePermissions($obj1);
2568 $recipients2 = self::enumeratePermissions($obj2);
2572 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2573 return ($recipients1 == $recipients2);
2577 * Returns an array of contact-ids that are allowed to see this object
2579 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2580 * @param bool $check_dead Prunes unavailable contacts from the result
2581 * @param bool $expand_followers Expand the list of followers
2583 * @throws \Exception
2585 public static function enumeratePermissions(array $obj, bool $check_dead = false, bool $expand_followers = true): array
2587 $aclFormatter = DI::aclFormatter();
2589 if (!$expand_followers && (!empty($obj['deny_cid']) || !empty($obj['deny_gid']))) {
2590 $expand_followers = true;
2593 $allow_people = $aclFormatter->expand($obj['allow_cid']);
2594 $allow_circles = Circle::expand($obj['uid'], $aclFormatter->expand($obj['allow_gid']), $check_dead, $expand_followers);
2595 $deny_people = $aclFormatter->expand($obj['deny_cid']);
2596 $deny_circles = Circle::expand($obj['uid'], $aclFormatter->expand($obj['deny_gid']), $check_dead);
2597 $recipients = array_unique(array_merge($allow_people, $allow_circles));
2598 $deny = array_unique(array_merge($deny_people, $deny_circles));
2599 $recipients = array_diff($recipients, $deny);
2603 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2605 if (!$uid || ($days < 1)) {
2610 "`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2611 $uid, self::GRAVITY_PARENT
2615 * $expire_network_only = save your own wall posts
2616 * and just expire conversations started by others
2618 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2620 if ($expire_network_only) {
2621 $condition[0] .= " AND NOT `wall`";
2624 if ($network != "") {
2625 $condition[0] .= " AND `network` = ?";
2626 $condition[] = $network;
2629 $condition[0] .= " AND `received` < ?";
2630 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2632 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2634 if (!DBA::isResult($items)) {
2638 $expire_items = (bool)DI::pConfig()->get($uid, 'expire', 'items', true);
2640 // Forcing expiring of items - but not notes and marked items
2642 $expire_items = true;
2645 $expire_notes = (bool)DI::pConfig()->get($uid, 'expire', 'notes', true);
2646 $expire_starred = (bool)DI::pConfig()->get($uid, 'expire', 'starred', true);
2647 $expire_photos = (bool)DI::pConfig()->get($uid, 'expire', 'photos', false);
2651 $priority = DI::config()->get('system', 'expire-notify-priority');
2653 while ($item = Post::fetch($items)) {
2654 // don't expire filed items
2655 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2659 // Only expire posts, not photos and photo comments
2661 if (!$expire_photos && !empty($item['resource-id'])) {
2663 } elseif (!$expire_starred && intval($item['starred'])) {
2665 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2667 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2671 self::markForDeletionById($item['id'], $priority);
2676 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]);
2679 public static function firstPostDate(int $uid, bool $wall = false)
2681 $user = User::getById($uid, ['register_date']);
2687 "`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2688 $uid, $wall, $user['register_date']
2690 $params = ['order' => ['received' => false]];
2691 $thread = Post::selectFirstThread(['received'], $condition, $params);
2692 if (DBA::isResult($thread)) {
2693 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2700 * add/remove activity to an item
2702 * Toggle activities as like,dislike,attend of an item
2704 * @param int $item_id
2705 * @param string $verb
2706 * Activity verb. One of
2707 * like, unlike, dislike, undislike, attendyes, unattendyes,
2708 * attendno, unattendno, attendmaybe, unattendmaybe,
2709 * announce, unannounce
2711 * @param string $allow_cid
2712 * @param string $allow_gid
2713 * @param string $deny_cid
2714 * @param string $deny_gid
2716 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2717 * @throws \ImagickException
2718 * @hook 'post_local_end'
2720 * 'post_id' => ID of posted item
2722 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
2728 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2730 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2731 if (!DBA::isResult($item)) {
2732 Logger::warning('Post had not been fetched', ['id' => $item_id]);
2736 $uri_id = $item['uri-id'];
2738 if (!in_array($item['uid'], [0, $uid])) {
2742 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2743 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid, ['post-reason' => Item::PR_ACTIVITY]);
2744 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2745 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2746 if (!DBA::isResult($item)) {
2747 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2753 // Retrieves the local post owner
2754 $owner = User::getOwnerDataById($uid);
2755 if (empty($owner)) {
2756 Logger::info('Empty owner for user', ['uid' => $uid]);
2760 // Retrieve the current logged in user's public contact
2761 $author_id = Contact::getPublicIdByUserId($uid);
2762 if (empty($author_id)) {
2763 Logger::info('Empty public contact');
2771 $activity = Activity::LIKE;
2775 $activity = Activity::DISLIKE;
2779 $activity = Activity::ATTEND;
2783 $activity = Activity::ATTENDNO;
2786 case 'unattendmaybe':
2787 $activity = Activity::ATTENDMAYBE;
2791 $activity = Activity::FOLLOW;
2795 $activity = Activity::ANNOUNCE;
2798 Logger::warning('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2802 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2804 // Enable activity toggling instead of on/off
2805 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2807 // Look for an existing verb row
2808 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2809 if ($event_verb_flag) {
2810 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2812 // Translate to the index based activity index
2814 foreach ($verbs as $verb) {
2815 $vids[] = Verb::getID($verb);
2818 $vids = Verb::getID($activity);
2822 'vid' => $vids, 'deleted' => false, 'gravity' => self::GRAVITY_ACTIVITY,
2823 'author-id' => $author_id, 'uid' => $uid, 'thr-parent-id' => $uri_id
2825 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2827 if (DBA::isResult($like_item)) {
2829 * Truth table for existing activities
2831 * | Inputs || Outputs |
2832 * |----------------------------||-------------------|
2833 * | Mode | Event | Same verb || Delete? | Return? |
2834 * |--------|-------|-----------||---------|---------|
2835 * | create | Yes | Yes || No | Yes |
2836 * | create | Yes | No || Yes | No |
2837 * | create | No | Yes || No | Yes |
2838 * | create | No | No || N/A†|
2839 * | delete | Yes | Yes || Yes | N/A‡ |
2840 * | delete | Yes | No || No | N/A‡ |
2841 * | delete | No | Yes || Yes | N/A‡ |
2842 * | delete | No | No || N/A†|
2843 * |--------|-------|-----------||---------|---------|
2844 * | A | B | C || A xor C | !B or C |
2846 * †Can't happen: It's impossible to find an existing non-event activity without
2847 * the same verb because we are only looking for this single verb.
2849 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2851 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2852 self::markForDeletionById($like_item['id']);
2855 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2860 // No need to go further if we aren't creating anything
2861 if ($mode == 'delete') {
2865 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2868 'guid' => System::createUUID(),
2869 'uri' => self::newURI(),
2871 'contact-id' => $owner['id'],
2872 'wall' => $item['wall'],
2874 'network' => Protocol::DFRN,
2875 'protocol' => Conversation::PARCEL_DIRECT,
2876 'direction' => Conversation::PUSH,
2877 'gravity' => self::GRAVITY_ACTIVITY,
2878 'parent' => $item['id'],
2879 'thr-parent' => $item['uri'],
2880 'owner-id' => $author_id,
2881 'author-id' => $author_id,
2882 'body' => $activity,
2883 'verb' => $activity,
2884 'object-type' => $objtype,
2885 'allow_cid' => $allow_cid ?? $item['allow_cid'],
2886 'allow_gid' => $allow_gid ?? $item['allow_gid'],
2887 'deny_cid' => $deny_cid ?? $item['deny_cid'],
2888 'deny_gid' => $deny_gid ?? $item['deny_gid'],
2893 if (in_array($activity, [Activity::LIKE, Activity::DISLIKE])) {
2894 $signed = Diaspora::createLikeSignature($uid, $new_item);
2895 if (!empty($signed)) {
2896 $new_item['diaspora_signed_text'] = json_encode($signed);
2900 self::insert($new_item, true);
2902 // If the parent item isn't visible then set it to visible
2903 // @todo Check if this is still needed
2904 if (!$item['visible']) {
2905 self::update(['visible' => true], ['id' => $item['id']]);
2911 * Fetch the SQL condition for the given user id
2913 * @param integer $owner_id User ID for which the permissions should be fetched
2914 * @return array condition
2916 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
2918 $local_user = DI::userSession()->getLocalUserId();
2919 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
2921 // default permissions - anonymous user
2922 $condition = ["`private` != ?", self::PRIVATE];
2924 if ($local_user && ($local_user == $owner_id)) {
2925 // Profile owner - everything is visible
2927 } elseif ($remote_user) {
2928 // Authenticated visitor - fetch the matching permissionsets
2929 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2932 "(`private` != ? OR (`private` = ? AND `wall`
2933 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2934 self::PRIVATE, self::PRIVATE
2936 $condition = array_merge($condition, $permissionSets->column('id'));
2944 * Get a permission SQL string for the given user
2946 * @param int $owner_id
2947 * @param string $table
2950 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
2952 $local_user = DI::userSession()->getLocalUserId();
2953 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
2955 if (!empty($table)) {
2956 $table = DBA::quoteIdentifier($table) . '.';
2960 * Construct permissions
2962 * default permissions - anonymous user
2964 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2966 // Profile owner - everything is visible
2967 if ($local_user && ($local_user == $owner_id)) {
2969 } elseif ($remote_user) {
2971 * Authenticated visitor. Unless pre-verified,
2972 * check that the contact belongs to this $owner_id
2973 * and load the circles the visitor belongs to.
2974 * If pre-verified, the caller is expected to have already
2975 * done this and passed the circles into this function.
2977 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2980 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2985 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2992 * get translated item type
2994 * @param array $item
2995 * @param \Friendica\Core\L10n $l10n
2998 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
3000 if (!empty($item['event-id'])) {
3001 return $l10n->t('event');
3002 } elseif (!empty($item['resource-id'])) {
3003 return $l10n->t('photo');
3004 } elseif ($item['gravity'] == self::GRAVITY_ACTIVITY) {
3005 return $l10n->t('activity');
3006 } elseif ($item['gravity'] == self::GRAVITY_COMMENT) {
3007 return $l10n->t('comment');
3010 return $l10n->t('post');
3014 * Sets the "rendered-html" field of the provided item
3016 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3018 * @param array $item
3020 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3021 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3023 private static function putInCache(&$item)
3025 // Save original body to prevent addons to modify it
3026 $body = $item['body'];
3028 $rendered_hash = $item['rendered-hash'] ?? '';
3029 $rendered_html = $item['rendered-html'] ?? '';
3032 $rendered_hash == ''
3033 || $rendered_html == ''
3034 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
3035 || DI::config()->get('system', 'ignore_cache')
3037 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
3038 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
3040 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3041 Hook::callAll('put_item_in_cache', $hook_data);
3042 $item['rendered-html'] = $hook_data['rendered-html'];
3043 $item['rendered-hash'] = $hook_data['rendered-hash'];
3046 // Update if the generated values differ from the existing ones
3047 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
3050 'rendered-html' => $item['rendered-html'],
3051 'rendered-hash' => $item['rendered-hash']
3053 ['id' => $item['id']]
3058 $item['body'] = $body;
3062 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3063 * If attach is true, also add icons for item attachments.
3065 * @param array $item Record from item table
3066 * @param boolean $attach If true, add icons for item attachments as well
3067 * @param boolean $is_preview Whether this is a preview
3068 * @param boolean $only_cache Whether only cached HTML should be updated
3069 * @return string item body html
3070 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3071 * @throws \ImagickException
3072 * @hook prepare_body_init item array before any work
3073 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3074 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3075 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3077 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
3080 Hook::callAll('prepare_body_init', $item);
3083 // In order to provide theme developers more possibilities, event items
3084 // are treated differently.
3085 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3086 $ev = Event::getItemHTML($item);
3090 $tags = Tag::populateFromItem($item);
3092 $item['tags'] = $tags['tags'];
3093 $item['hashtags'] = $tags['hashtags'];
3094 $item['mentions'] = $tags['mentions'];
3097 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3098 $item['body'] = Post\Media::removeFromEndOfBody($item['body'] ?? '');
3099 $item['body'] = Post\Media::replaceImage($item['body']);
3102 $body = $item['body'];
3104 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3107 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network', 'has-media', 'quote-uri-id', 'post-type'];
3111 $quote_shared_links = [];
3113 $shared = DI::contentItem()->getSharedPost($item, $fields);
3114 if (!empty($shared['post'])) {
3115 $shared_item = $shared['post'];
3116 $shared_item['body'] = Post\Media::removeFromEndOfBody($shared_item['body']);
3117 $shared_item['body'] = Post\Media::replaceImage($shared_item['body']);
3118 $quote_uri_id = $shared['post']['uri-id'];
3119 $shared_links[] = strtolower($shared['post']['uri']);
3120 $item['body'] = BBCode::removeSharedData($item['body']);
3121 } elseif (empty($shared_item['uri-id']) && empty($item['quote-uri-id']) && ($item['network'] != Protocol::DIASPORA)) {
3122 $media = Post\Media::getByURIId($item['uri-id'], [Post\Media::ACTIVITY]);
3123 if (!empty($media)) {
3124 $shared_item = Post::selectFirst($fields, ['uri-id' => $media[0]['media-uri-id'], 'uid' => [$item['uid'], 0]]);
3125 if (empty($shared_item['uri-id'])) {
3126 $shared_item = Post::selectFirst($fields, ['plink' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3127 } elseif (!in_array(strtolower($media[0]['url']), $shared_links)) {
3128 $shared_links[] = strtolower($media[0]['url']);
3131 if (empty($shared_item['uri-id'])) {
3132 $shared_item = Post::selectFirst($fields, ['uri' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3133 $shared_links[] = strtolower($media[0]['url']);
3136 if (!empty($shared_item['uri-id'])) {
3137 $data = BBCode::getAttachmentData($shared_item['body']);
3138 if (!empty($data['url'])) {
3139 $quote_shared_links[] = $data['url'];
3142 $quote_uri_id = $shared_item['uri-id'];
3147 if (!empty($quote_uri_id)) {
3148 if (isset($shared_item['plink'])) {
3149 $item['body'] .= "\n" . DI::contentItem()->createSharedBlockByArray($shared_item, false, true);
3151 DI::logger()->warning('Missing plink in shared item', ['item' => $item, 'shared' => $shared, 'quote_uri_id' => $quote_uri_id, 'shared_item' => $shared_item]);
3155 if (!empty($shared_item['uri-id'])) {
3156 $shared_uri_id = $shared_item['uri-id'];
3157 $shared_links[] = strtolower($shared_item['plink']);
3158 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, [], $shared_item['has-media']);
3159 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
3160 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
3161 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
3162 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
3165 $attachments = Post\Media::splitAttachments($item['uri-id'], $shared_links, $item['has-media'] ?? false);
3166 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
3168 self::putInCache($item);
3169 $item['body'] = $body;
3170 $s = $item["rendered-html"];
3176 // Compile eventual content filter reasons
3177 $filter_reasons = [];
3178 if (!$is_preview && DI::userSession()->getPublicContactId() != $item['author-id']) {
3179 if (!empty($item['user-blocked-author']) || !empty($item['user-blocked-owner'])) {
3180 $filter_reasons[] = DI::l10n()->t('%s is blocked', $item['author-name']);
3181 } elseif (!empty($item['user-ignored-author']) || !empty($item['user-ignored-owner'])) {
3182 $filter_reasons[] = DI::l10n()->t('%s is ignored', $item['author-name']);
3183 } elseif (!empty($item['user-collapsed-author']) || !empty($item['user-collapsed-owner'])) {
3184 $filter_reasons[] = DI::l10n()->t('Content from %s is collapsed', $item['author-name']);
3187 if (!empty($item['content-warning']) && (!DI::userSession()->getLocalUserId() || !DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'disable_cw', false))) {
3188 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3191 $item['attachments'] = $attachments;
3195 'filter_reasons' => $filter_reasons
3197 Hook::callAll('prepare_body_content_filter', $hook_data);
3198 $filter_reasons = $hook_data['filter_reasons'];
3205 'preview' => $is_preview,
3206 'filter_reasons' => $filter_reasons
3208 Hook::callAll('prepare_body', $hook_data);
3209 $s = $hook_data['html'];
3214 // Replace the blockquotes with quotes that are used in mails.
3215 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3216 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3220 if (!empty($shared_attachments)) {
3221 $s = self::addGallery($s, $shared_attachments, $item['uri-id']);
3222 $s = self::addVisualAttachments($shared_attachments, $shared_item, $s, true);
3223 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, $quote_shared_links);
3224 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
3225 $body = BBCode::removeSharedData($body);
3228 $pos = strpos($s, BBCode::SHARED_ANCHOR);
3230 $shared_html = substr($s, $pos + strlen(BBCode::SHARED_ANCHOR));
3231 $s = substr($s, 0, $pos);
3234 $s = self::addGallery($s, $attachments, $item['uri-id']);
3235 $s = self::addVisualAttachments($attachments, $item, $s, false);
3236 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
3237 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
3238 $s = self::addQuestions($item, $s);
3241 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3242 $x = Map::byCoordinates(trim($item['coord']));
3244 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3248 // Replace friendica image url size with theme preference.
3249 if (!empty($a->getThemeInfoValue('item_image_size'))) {
3250 $ps = $a->getThemeInfoValue('item_image_size');
3251 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3254 if (!empty($shared_html)) {
3258 $s = HTML::applyContentFilter($s, $filter_reasons);
3260 $hook_data = ['item' => $item, 'html' => $s];
3261 Hook::callAll('prepare_body_final', $hook_data);
3262 return $hook_data['html'];
3266 * @param array $images
3268 * @throws \Friendica\Network\HTTPException\ServiceUnavailableException
3270 private static function makeImageGrid(array $images): string
3272 // Image for first column (fc) and second column (sc)
3276 for ($i = 0; $i < count($images); $i++) {
3277 ($i % 2 == 0) ? ($images_fc[] = $images[$i]) : ($images_sc[] = $images[$i]);
3280 return Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image_grid.tpl'), [
3289 * Modify links to pictures to links for the "Fancybox" gallery
3292 * @param array $attachments
3293 * @param integer $uri_id
3296 private static function addGallery(string $s, array $attachments, int $uri_id): string
3298 foreach ($attachments['visual'] as $attachment) {
3299 if (empty($attachment['preview']) || ($attachment['type'] != Post\Media::IMAGE)) {
3302 $s = str_replace('<a href="' . $attachment['url'] . '"', '<a data-fancybox="' . $uri_id . '" href="' . $attachment['url'] . '"', $s);
3308 * Check if the body contains a link
3310 * @param string $body
3311 * @param string $url
3315 public static function containsLink(string $body, string $url, int $type = 0): bool
3317 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
3318 $urlparts = parse_url($url);
3319 if (empty($urlparts)) {
3323 unset($urlparts['query']);
3324 unset($urlparts['fragment']);
3327 $url = (string)Uri::fromParts($urlparts);
3328 } catch (\InvalidArgumentException $e) {
3329 DI::logger()->notice('Invalid URL', ['$url' => $url, '$urlparts' => $urlparts]);
3330 /* See https://github.com/friendica/friendica/issues/12113
3331 * Malformed URLs will result in a Fatal Error
3336 // Remove media links to only search in embedded content
3337 // @todo Check images for image link, audio for audio links, ...
3338 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
3339 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
3342 if (strpos($body, $url)) {
3346 foreach ([0, 1, 2] as $size) {
3348 preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
3349 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)
3359 * Replace visual attachments in the body
3361 * @param array $attachments
3362 * @param string $body
3363 * @return string modified body
3365 private static function replaceVisualAttachments(array $attachments, string $body): string
3367 DI::profiler()->startRecording('rendering');
3369 foreach ($attachments['visual'] as $attachment) {
3370 if (!empty($attachment['preview'])) {
3371 if (Network::isLocalLink($attachment['preview'])) {
3374 $proxy = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3375 $search = ['[img=' . $attachment['preview'] . ']', ']' . $attachment['preview'] . '[/img]'];
3376 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3378 $body = str_replace($search, $replace, $body);
3379 } elseif ($attachment['filetype'] == 'image') {
3380 if (Network::isLocalLink($attachment['url'])) {
3383 $proxy = Post\Media::getUrlForId($attachment['id']);
3384 $search = ['[img=' . $attachment['url'] . ']', ']' . $attachment['url'] . '[/img]'];
3385 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3387 $body = str_replace($search, $replace, $body);
3390 DI::profiler()->stopRecording();
3395 * Add visual attachments to the content
3397 * @param array $attachments
3398 * @param array $item
3399 * @param string $content
3400 * @return string modified content
3402 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared): string
3404 DI::profiler()->startRecording('rendering');
3409 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
3410 foreach ($attachments['visual'] as $attachment) {
3411 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
3415 if ($attachment['filetype'] == 'image') {
3416 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE);
3417 } elseif (!empty($attachment['preview'])) {
3418 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3423 if ($preview_url && self::containsLink($item['body'], $preview_url)) {
3427 if (($attachment['filetype'] == 'video')) {
3428 /// @todo Move the template to /content as well
3429 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3431 'id' => $attachment['id'],
3432 'src' => $attachment['url'],
3433 'name' => $attachment['name'] ?: $attachment['url'],
3434 'preview' => $preview_url,
3435 'mime' => $attachment['mimetype'],
3438 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3441 $trailing .= $media;
3443 } elseif ($attachment['filetype'] == 'audio') {
3444 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3446 'id' => $attachment['id'],
3447 'src' => $attachment['url'],
3448 'name' => $attachment['name'] ?: $attachment['url'],
3449 'mime' => $attachment['mimetype'],
3452 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3455 $trailing .= $media;
3457 } elseif ($attachment['filetype'] == 'image') {
3458 $src_url = Post\Media::getUrlForId($attachment['id']);
3459 if (self::containsLink($item['body'], $src_url)) {
3462 $images[] = ['src' => $src_url, 'preview' => $preview_url, 'attachment' => $attachment, 'uri_id' => $item['uri-id']];
3467 if (count($images) > 1) {
3468 $media = self::makeImageGrid($images);
3469 } elseif (count($images) == 1) {
3470 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
3471 '$image' => $images[0],
3475 // On Diaspora posts the attached pictures are leading
3476 if ($item['network'] == Protocol::DIASPORA) {
3479 $trailing .= $media;
3483 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '</div>' . BBCode::TOP_ANCHOR, $content);
3484 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '</div>' . BBCode::BOTTOM_ANCHOR, $content);
3486 if ($leading != '') {
3487 $content = '<div class="body-attach">' . $leading . '</div>' . $content;
3490 if ($trailing != '') {
3491 $content .= '<div class="body-attach">' . $trailing . '</div>';
3495 DI::profiler()->stopRecording();
3500 * Add link attachment to the content
3502 * @param array $attachments
3503 * @param string $body
3504 * @param string $content
3505 * @param bool $shared
3506 * @param array $ignore_links A list of URLs to ignore
3507 * @return string modified content
3509 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3511 DI::profiler()->startRecording('rendering');
3512 // Don't show a preview when there is a visual attachment (audio or video)
3513 $types = array_column($attachments['visual'], 'type');
3514 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
3516 if (!empty($attachments['link'])) {
3517 foreach ($attachments['link'] as $link) {
3519 foreach ($ignore_links as $ignore_link) {
3520 if (Strings::compareLink($link['url'], $ignore_link)) {
3524 // @todo Judge between the links to use the one with most information
3525 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
3526 (empty($attachment['name']) && !empty($link['name'])) ||
3527 (empty($attachment['description']) && !empty($link['description'])) ||
3528 (empty($attachment['preview']) && !empty($link['preview'])))) {
3529 $attachment = $link;
3534 if (!empty($attachment)) {
3537 'author_name' => $attachment['author-name'] ?? '',
3538 'author_url' => $attachment['author-url'] ?? '',
3539 'description' => $attachment['description'] ?? '',
3542 'provider_name' => $attachment['publisher-name'] ?? '',
3543 'provider_url' => $attachment['publisher-url'] ?? '',
3545 'title' => $attachment['name'] ?? '',
3547 'url' => $attachment['url']
3550 if ($preview && !empty($attachment['preview'])) {
3551 if ($attachment['preview-width'] >= 500) {
3552 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3554 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3558 if (!empty($data['description']) && !empty($content)) {
3559 similar_text($data['description'], $content, $percent);
3564 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3565 $data['description'] = '';
3568 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3569 $data['author_name'] = '';
3572 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3573 $data['author_url'] = '';
3575 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3576 $data = BBCode::getAttachmentData($match[1]);
3578 DI::profiler()->stopRecording();
3580 if (isset($data['url']) && !in_array(strtolower($data['url']), $ignore_links)) {
3581 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview']) || (!empty($data['title']) && !Strings::compareLink($data['title'], $data['url']))) {
3582 $parts = parse_url($data['url']);
3583 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3584 if (empty($data['provider_name'])) {
3585 $data['provider_name'] = $parts['host'];
3587 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3588 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3590 if (!empty($parts['port'])) {
3591 $data['provider_url'] .= ':' . $parts['port'];
3596 // @todo Use a template
3597 $preview_mode = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'preview_mode', BBCode::PREVIEW_LARGE);
3598 if ($preview_mode != BBCode::PREVIEW_NONE) {
3599 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid, $preview_mode);
3603 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3604 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3605 '$url' => $data['url'],
3606 '$title' => $data['title'],
3613 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3615 return $content . $rendered;
3622 * Add non visual attachments to the content
3624 * @param array $attachments
3625 * @param array $item
3626 * @param string $content
3627 * @return string modified content
3629 private static function addNonVisualAttachments(array $attachments, array $item, string $content): string
3631 DI::profiler()->startRecording('rendering');
3633 foreach ($attachments['additional'] as $attachment) {
3634 if (strpos($item['body'], $attachment['url'])) {
3640 'id' => $item['author-id'],
3641 'network' => $item['author-network'],
3642 'url' => $item['author-link'],
3643 'alias' => $item['author-alias']
3645 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3647 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3649 if (!empty($attachment['size'])) {
3650 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3653 /// @todo Use a template
3654 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3655 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3658 if ($trailing != '') {
3659 $content .= '<div class="body-attach">' . $trailing . '</div>';
3662 DI::profiler()->stopRecording();
3666 private static function addQuestions(array $item, string $content): string
3668 DI::profiler()->startRecording('rendering');
3669 if (!empty($item['question-id'])) {
3671 'id' => $item['question-id'],
3672 'multiple' => $item['question-multiple'],
3673 'voters' => $item['question-voters'],
3674 'endtime' => $item['question-end-time']
3677 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3678 foreach ($options as $key => $option) {
3679 if ($question['voters'] > 0) {
3680 $percent = $option['replies'] / $question['voters'] * 100;
3681 $options[$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));
3683 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%1$d vote)', '%2$s (%1$d votes)', $option['replies'], $option['name']);
3687 if (!empty($question['voters']) && !empty($question['endtime'])) {
3688 $summary = DI::l10n()->tt('%d voter. Poll end: %s', '%d voters. Poll end: %s', $question['voters'], Temporal::getRelativeDate($question['endtime']));
3689 } elseif (!empty($question['voters'])) {
3690 $summary = DI::l10n()->tt('%d voter.', '%d voters.', $question['voters']);
3691 } elseif (!empty($question['endtime'])) {
3692 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3697 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3698 '$question' => $question,
3699 '$options' => $options,
3700 '$summary' => $summary,
3703 DI::profiler()->stopRecording();
3708 * get private link for item
3710 * @param array $item
3711 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3712 * @throws \Exception
3714 public static function getPlink(array $item)
3716 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3717 $plink = $item['plink'];
3718 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3719 $plink = $item['uri'];
3722 if (DI::userSession()->getLocalUserId()) {
3724 'href' => "display/" . $item['guid'],
3725 'orig' => "display/" . $item['guid'],
3726 'title' => DI::l10n()->t('View on separate page'),
3727 'orig_title' => DI::l10n()->t('View on separate page'),
3730 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3733 'id' => $item['author-id'],
3734 'network' => $item['author-network'],
3735 'url' => $item['author-link'],
3736 'alias' => $item['author-alias'],
3738 $plink = Contact::magicLinkByContact($author, $plink);
3741 if (!empty($plink)) {
3742 $ret['href'] = DI::baseUrl()->remove($plink);
3743 $ret['title'] = DI::l10n()->t('Link to source');
3745 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3749 'title' => DI::l10n()->t('Link to source'),
3750 'orig_title' => DI::l10n()->t('Link to source'),
3760 * Does the given uri-id belongs to a post that is sent as starting post to a group?
3761 * This does apply to posts that are sent via ! and not in parallel to a group via @
3763 * @param int $uri_id
3765 * @return boolean "true" when it is a group post
3767 public static function isGroupPost(int $uri_id): bool
3769 if (Post::exists(['private' => Item::PUBLIC, 'uri-id' => $uri_id])) {
3773 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION, Tag::AUDIENCE]) as $tag) {
3774 // @todo Possibly check for a public audience in the future, see https://socialhub.activitypub.rocks/t/fep-1b12-group-federation/2724
3775 // and https://codeberg.org/fediverse/fep/src/branch/main/feps/fep-1b12.md
3776 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3784 * Search item id for given URI or plink
3786 * @param string $uri
3787 * @param integer $uid
3789 * @return integer item id
3791 public static function searchByLink(string $uri, int $uid = 0): int
3793 $ssl_uri = str_replace('http://', 'https://', $uri);
3794 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3796 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3797 if (DBA::isResult($item)) {
3801 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3802 if (DBA::isResult($item)) {
3810 * Return the URI for a link to the post
3812 * @param string $uri URI or link to post
3814 * @return string URI
3816 public static function getURIByLink(string $uri): string
3818 $ssl_uri = str_replace('http://', 'https://', $uri);
3819 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3821 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3822 if (DBA::isResult($item)) {
3823 return $item['uri'];
3826 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3827 if (DBA::isResult($item)) {
3828 return $item['uri'];
3835 * Fetches item for given URI or plink
3837 * @param string $uri
3838 * @param integer $uid
3840 * @return integer item id
3842 public static function fetchByLink(string $uri, int $uid = 0): int
3844 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3845 $item_id = self::searchByLink($uri, $uid);
3846 if (!empty($item_id)) {
3847 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3857 Hook::callAll('item_by_link', $hookData);
3859 if (isset($hookData['item_id'])) {
3860 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3863 $fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri, [], '', ActivityPub\Receiver::COMPLETION_MANUAL, $uid);
3866 $item_id = self::searchByLink($fetched_uri, $uid);
3868 $item_id = Diaspora::fetchByURL($uri);
3871 if (!empty($item_id)) {
3872 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3876 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3881 * Fetch the uri-id of a quote
3883 * @param string $body
3886 public static function getQuoteUriId(string $body, int $uid = 0): int
3888 $shared = BBCode::fetchShareAttributes($body);
3889 if (empty($shared['guid']) && empty($shared['message_id'])) {
3893 if (empty($shared['link']) && empty($shared['message_id'])) {
3894 Logger::notice('Invalid share block.', ['share' => $shared]);
3898 if (!empty($shared['guid'])) {
3899 $shared_item = Post::selectFirst(['uri-id'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3900 if (!empty($shared_item['uri-id'])) {
3901 Logger::debug('Found post by guid', ['guid' => $shared['guid'], 'uid' => $uid]);
3902 return $shared_item['uri-id'];
3906 if (!empty($shared['message_id'])) {
3907 $shared_item = Post::selectFirst(['uri-id'], ['uri' => $shared['message_id'], 'uid' => [0, $uid]]);
3908 if (!empty($shared_item['uri-id'])) {
3909 Logger::debug('Found post by message_id', ['message_id' => $shared['message_id'], 'uid' => $uid]);
3910 return $shared_item['uri-id'];
3914 if (!empty($shared['link'])) {
3915 $shared_item = Post::selectFirst(['uri-id'], ['plink' => $shared['link'], 'uid' => [0, $uid]]);
3916 if (!empty($shared_item['uri-id'])) {
3917 Logger::debug('Found post by link', ['link' => $shared['link'], 'uid' => $uid]);
3918 return $shared_item['uri-id'];
3922 $url = $shared['message_id'] ?: $shared['link'];
3923 $id = self::fetchByLink($url);
3925 Logger::notice('Post could not be fetched.', ['url' => $url, 'uid' => $uid]);
3929 $shared_item = Post::selectFirst(['uri-id'], ['id' => $id]);
3930 if (!empty($shared_item['uri-id'])) {
3931 Logger::debug('Fetched shared post', ['id' => $id, 'url' => $url, 'uid' => $uid]);
3932 return $shared_item['uri-id'];
3935 Logger::warning('Post does not exist although it was supposed to had been fetched.', ['id' => $id, 'url' => $url, 'uid' => $uid]);