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\Image;
26 use Friendica\Content\Post\Collection\PostMedias;
27 use Friendica\Content\Post\Entity\PostMedia;
28 use Friendica\Content\Text\BBCode;
29 use Friendica\Content\Text\HTML;
30 use Friendica\Core\Hook;
31 use Friendica\Core\Logger;
32 use Friendica\Core\Protocol;
33 use Friendica\Core\Renderer;
34 use Friendica\Core\System;
35 use Friendica\Core\Worker;
36 use Friendica\Database\DBA;
38 use Friendica\Model\Post\Category;
39 use Friendica\Network\HTTPException\InternalServerErrorException;
40 use Friendica\Network\HTTPException\ServiceUnavailableException;
41 use Friendica\Protocol\Activity;
42 use Friendica\Protocol\ActivityPub;
43 use Friendica\Protocol\Delivery;
44 use Friendica\Protocol\Diaspora;
45 use Friendica\Util\DateTimeFormat;
46 use Friendica\Util\Map;
47 use Friendica\Util\Network;
48 use Friendica\Util\Proxy;
49 use Friendica\Util\Strings;
50 use Friendica\Util\Temporal;
51 use GuzzleHttp\Psr7\Uri;
52 use LanguageDetection\Language;
56 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
63 const PT_DOCUMENT = 19;
66 const PT_PERSONAL_NOTE = 128;
68 // Posting reasons (Why had a post been stored for a user?)
75 const PR_FOLLOWER = 69;
76 const PR_ANNOUNCEMENT = 70;
77 const PR_COMMENT = 71;
81 const PR_FETCHED = 75;
82 const PR_COMPLETION = 76;
84 const PR_ACTIVITY = 78;
85 const PR_DISTRIBUTE = 79;
88 const PR_AUDIENCE = 82;
90 // system.accept_only_sharer setting values
91 const COMPLETION_NONE = 1;
92 const COMPLETION_COMMENT = 0;
93 const COMPLETION_LIKE = 2;
95 // Field list that is used to display the items
96 const DISPLAY_FIELDLIST = [
97 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
98 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri', 'conversation',
99 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
100 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
101 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
102 'quote-uri', 'quote-uri-id', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
103 'author-id', 'author-link', 'author-alias', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-baseurl', 'author-addr', 'author-uri-id',
104 'owner-id', 'owner-link', 'owner-alias', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated', 'owner-gsid',
105 'causer-id', 'causer-link', 'causer-alias', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network', 'causer-gsid',
106 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
107 'writable', 'self', 'cid', 'alias',
108 'event-created', 'event-edited', 'event-start', 'event-finish',
109 'event-summary', 'event-desc', 'event-location', 'event-type',
110 'event-nofinish', 'event-ignore', 'event-id',
111 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
112 'has-categories', 'has-media',
113 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
116 // Field list that is used to deliver items via the protocols
117 const DELIVER_FIELDLIST = [
118 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
119 'parent-guid', 'conversation', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
120 'private', 'title', 'body', 'raw-body', 'language', 'location', 'coord', 'app',
121 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
122 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
123 'author-id', 'author-addr', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
124 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
125 'thr-parent-id', 'parent-uri-id', 'quote-uri', 'quote-uri-id', 'postopts', 'pubmail',
126 'event-created', 'event-edited', 'event-start', 'event-finish',
127 'event-summary', 'event-desc', 'event-location', 'event-type',
128 'event-nofinish', 'event-ignore', 'event-id'
131 // All fields in the item table
132 const ITEM_FIELDLIST = [
133 'id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
134 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'conversation', 'vid',
135 'quote-uri', 'quote-uri-id', 'contact-id', 'wall', 'gravity', 'extid', 'psid',
136 'created', 'edited', 'commented', 'received', 'changed', 'verb',
137 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
138 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
139 'private', 'pubmail', 'visible', 'starred',
140 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
141 'title', 'content-warning', 'body', 'language', 'location', 'coord', 'app',
142 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
143 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
144 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'
147 // List of all verbs that don't need additional content data.
148 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
150 Activity::LIKE, Activity::DISLIKE,
151 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
161 // Item weight for query ordering
162 const GRAVITY_PARENT = 0;
163 const GRAVITY_ACTIVITY = 3;
164 const GRAVITY_COMMENT = 6;
165 const GRAVITY_UNKNOWN = 9;
168 * Update existing item entries
170 * @param array $fields The fields that are to be changed
171 * @param array $condition The condition for finding the item entries
173 * In the future we may have to change permissions as well.
174 * Then we had to add the user id as third parameter.
176 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
178 * @return integer|boolean number of affected rows - or "false" if there was an error
179 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
181 public static function update(array $fields, array $condition)
183 if (empty($condition) || empty($fields)) {
187 if (isset($fields['extid'])) {
188 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
191 if (!empty($fields['verb'])) {
192 $fields['vid'] = Verb::getID($fields['verb']);
195 if (!empty($fields['edited'])) {
196 $previous = Post::selectFirst(['edited'], $condition);
199 $rows = Post::update($fields, $condition);
200 if (is_bool($rows)) {
204 // We only need to call the line by line update for specific fields
206 empty($fields['body']) && empty($fields['file']) &&
207 empty($fields['attach']) && empty($fields['edited'])
212 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
214 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network', 'quote-uri-id'], $condition);
218 while ($item = DBA::fetch($items)) {
219 if (!empty($fields['body'])) {
220 if (!empty($item['quote-uri-id'])) {
221 $fields['body'] = BBCode::removeSharedData($fields['body']);
223 if (!empty($fields['raw-body'])) {
224 $fields['raw-body'] = BBCode::removeSharedData($fields['raw-body']);
228 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
230 // Remove all media attachments from the body and store them in the post-media table
231 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
232 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
233 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
235 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body'], $fields['body'], $item['author-network']);
237 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
238 $content_fields['raw-body'] = BBCode::removeAttachment($content_fields['raw-body']);
240 Post\Content::update($item['uri-id'], $content_fields);
243 if (!empty($fields['file'])) {
244 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
247 if (!empty($fields['attach'])) {
248 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
251 // We only need to notify others when it is an original entry from us.
252 // Only call the notifier when the item had been edited and records had been changed.
253 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
254 $notify_items[] = $item['id'];
260 foreach ($notify_items as $notify_item) {
261 $post = Post::selectFirst([], ['id' => $notify_item]);
263 if ($post['gravity'] != self::GRAVITY_PARENT) {
264 $signed = Diaspora::createCommentSignature($post);
265 if (!empty($signed)) {
266 DBA::replace('diaspora-interaction', ['uri-id' => $post['uri-id'], 'interaction' => json_encode($signed)]);
270 Worker::add(Worker::PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
277 * Delete an item and notify others about it - if it was ours
279 * @param array $condition The condition for finding the item entries
280 * @param integer $priority Priority for the notification
282 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
284 public static function markForDeletion(array $condition, int $priority = Worker::PRIORITY_HIGH)
286 $items = Post::select(['id'], $condition);
287 while ($item = Post::fetch($items)) {
288 self::markForDeletionById($item['id'], $priority);
294 * Delete an item for an user and notify others about it - if it was ours
296 * @param array $condition The condition for finding the item entries
297 * @param integer $uid User who wants to delete this item
299 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
301 public static function deleteForUser(array $condition, int $uid)
307 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
308 while ($item = Post::fetch($items)) {
309 if (in_array($item['uid'], [$uid, 0])) {
310 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
311 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
314 if ($item['uid'] == $uid) {
315 self::markForDeletionById($item['id'], Worker::PRIORITY_HIGH);
316 } elseif ($item['uid'] != 0) {
317 Logger::warning('Wrong ownership. Not deleting item', ['id' => $item['id']]);
324 * Mark an item for deletion, delete related data and notify others about it - if it was ours
326 * @param integer $item_id
327 * @param integer $priority Priority for the notification
328 * @return boolean success
329 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
331 public static function markForDeletionById(int $item_id, int $priority = Worker::PRIORITY_HIGH): bool
333 Logger::info('Mark item for deletion by id', ['id' => $item_id]);
334 // locate item to be deleted
336 'id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
337 'deleted', 'resource-id', 'event-id',
338 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'
340 $item = Post::selectFirst($fields, ['id' => $item_id]);
341 if (!DBA::isResult($item)) {
342 Logger::info('Item not found.', ['id' => $item_id]);
346 if ($item['deleted']) {
347 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
351 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
352 if (!DBA::isResult($parent)) {
353 $parent = ['origin' => false];
356 // clean up categories and tags so they don't end up as orphans
357 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
360 * If item is a link to a photo resource, nuke all the associated photos
361 * (visitors will not have photo resources)
362 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
363 * generate a resource-id and therefore aren't intimately linked to the item.
365 /// @TODO: this should first check if photo is used elsewhere
366 if ($item['resource-id']) {
367 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
370 // If item is a link to an event, delete the event.
371 if (intval($item['event-id'])) {
372 Event::delete($item['event-id']);
375 // If item has attachments, drop them
376 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
377 foreach ($attachments as $attachment) {
378 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
379 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
383 // Set the item to "deleted"
384 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
385 Post::update($item_fields, ['id' => $item['id']]);
387 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
389 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
390 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
393 Post\DeliveryData::delete($item['uri-id']);
395 // If it's the parent of a comment thread, kill all the kids
396 if ($item['gravity'] == self::GRAVITY_PARENT) {
397 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
400 // Is it our comment and/or our thread?
401 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
402 // When we delete the original post we will delete all existing copies on the server as well
403 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
405 // send the notification upstream/downstream
407 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
409 } elseif ($item['uid'] != 0) {
410 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
411 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
414 DI::notify()->deleteForItem($item['uri-id']);
415 DI::notification()->deleteForItem($item['uri-id']);
417 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
423 * Get guid from given item record
425 * @param array $item Item record
426 * @param bool Whether to notify (?)
427 * @return string Guid
429 public static function guid(array $item, bool $notify): string
431 if (!empty($item['guid'])) {
432 return trim($item['guid']);
436 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
437 // We add the hash of our own host because our host is the original creator of the post.
438 $prefix_host = DI::baseUrl()->getHost();
442 // We are only storing the post so we create a GUID from the original hostname.
443 if (!empty($item['author-link'])) {
444 $parsed = parse_url($item['author-link']);
445 if (!empty($parsed['host'])) {
446 $prefix_host = $parsed['host'];
450 if (empty($prefix_host) && !empty($item['plink'])) {
451 $parsed = parse_url($item['plink']);
452 if (!empty($parsed['host'])) {
453 $prefix_host = $parsed['host'];
457 if (empty($prefix_host) && !empty($item['uri'])) {
458 $parsed = parse_url($item['uri']);
459 if (!empty($parsed['host'])) {
460 $prefix_host = $parsed['host'];
464 // Is it in the format data@host.tld? - Used for mail contacts
465 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
466 $mailparts = explode('@', $item['author-link']);
467 $prefix_host = array_pop($mailparts);
471 if (!empty($item['plink'])) {
472 $guid = self::guidFromUri($item['plink'], $prefix_host);
473 } elseif (!empty($item['uri'])) {
474 $guid = self::guidFromUri($item['uri'], $prefix_host);
476 $guid = System::createUUID(hash('crc32', $prefix_host));
483 * Returns contact id from given item record
485 * @param array $item Item record
486 * @return int Contact id
488 private static function contactId(array $item): int
490 if ($item['uid'] == 0) {
491 return $item['owner-id'];
494 if ($item['origin']) {
495 $owner = User::getOwnerDataById($item['uid']);
500 $user_contact_id = 0;
501 foreach (['group-link', 'causer-link', 'owner-link', 'author-link'] as $field) {
502 if (empty($item[$field])) {
505 if (!$user_contact_id && Contact::isSharingByURL($item[$field], $item['uid'], true)) {
506 $user_contact_id = Contact::getIdForURL($item[$field], $item['uid']);
507 } elseif (!$contact_id) {
508 $contact_id = Contact::getIdForURL($item[$field]);
512 if ($user_contact_id) {
513 return $user_contact_id;
516 if (!empty($item['causer-id']) && Contact::isSharing($item['causer-id'], $item['uid'], true)) {
517 $cdata = Contact::getPublicAndUserContactID($item['causer-id'], $item['uid']);
518 if (!empty($cdata['user'])) {
519 return $cdata['user'];
527 Logger::warning('contact-id could not be fetched, using self contact instead.', ['uid' => $item['uid'], 'item' => $item]);
528 $self = Contact::selectFirst(['id'], ['self' => true, 'uid' => $item['uid']]);
533 * Write an item array into a spool file to be inserted later.
534 * This command is called whenever there are issues storing an item.
536 * @param array $item The item fields that are to be inserted
539 private static function spool(array $item)
541 // Now we store the data in the spool directory
542 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
543 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
545 $spoolpath = System::getSpoolPath();
546 if ($spoolpath != '') {
547 $spool = $spoolpath . '/' . $file;
549 file_put_contents($spool, json_encode($item));
550 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
555 * Check if the item array is a duplicate
557 * @param array $item Item record
558 * @return boolean is it a duplicate?
560 private static function isDuplicate(array $item): bool
562 // Checking if there is already an item with the same guid
563 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
564 if (Post::exists($condition)) {
565 Logger::notice('Found already existing item', $condition);
570 'uri-id' => $item['uri-id'], 'uid' => $item['uid'],
571 'network' => [$item['network'], Protocol::DFRN]
573 if (Post::exists($condition)) {
574 Logger::notice('duplicated item with the same uri found.', $condition);
578 // On Friendica and Diaspora the GUID is unique
579 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
580 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
581 if (Post::exists($condition)) {
582 Logger::notice('duplicated item with the same guid found.', $condition);
585 } elseif ($item['network'] == Protocol::OSTATUS) {
586 // Check for an existing post with the same content. There seems to be a problem with OStatus.
588 "`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
589 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']
591 if (Post::exists($condition)) {
592 Logger::notice('duplicated item with the same body found.', $item);
598 * Check for already added items.
599 * There is a timing issue here that sometimes creates double postings.
600 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
602 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
603 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
611 * Check if the item array is valid
613 * @param array $item Item record
614 * @return boolean item is valid
616 public static function isValid(array $item): bool
618 // When there is no content then we don't post it
619 if (($item['body'] . $item['title'] == '') && empty($item['quote-uri-id']) && empty($item['attachments']) && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
620 Logger::notice('No body, no title.');
624 if (!empty($item['uid'])) {
625 $owner = User::getOwnerDataById($item['uid'], false);
627 Logger::warning('Missing item user owner data', ['uid' => $item['uid']]);
631 if ($owner['account_expired'] || $owner['account_removed']) {
632 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
637 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
638 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
642 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
643 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
647 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
648 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
652 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
653 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
657 if ($item['verb'] == Activity::FOLLOW) {
658 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
659 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
660 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
665 'verb' => Activity::FOLLOW, 'uid' => $item['uid'],
666 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']
668 if (Post::exists($condition)) {
669 // It happens that we receive multiple follow requests by the same author - we only store one.
670 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
679 * Check if the item array is too old
681 * @param array $item Item record
682 * @return boolean item is too old
684 public static function isTooOld(array $item): bool
686 // check for create date and expire time
687 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
689 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
690 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
691 $expire_interval = $user['expire'];
694 if (($expire_interval > 0) && !empty($item['created'])) {
695 $expire_date = time() - ($expire_interval * 86400);
696 $created_date = strtotime($item['created']);
697 if ($created_date < $expire_date) {
698 Logger::notice('Item created before expiration interval.', [
699 'created' => date('c', $created_date),
700 'expired' => date('c', $expire_date),
711 * Return the id of the given item array if it has been stored before
713 * @param array $item Item record
714 * @return integer Item id or zero on error
716 private static function getDuplicateID(array $item): int
718 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
720 '`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
723 Protocol::ACTIVITYPUB,
728 $existing = Post::selectFirst(['id', 'network'], $condition);
729 if (DBA::isResult($existing)) {
730 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
731 if ($item['uid'] != 0) {
732 Logger::notice('Item already existed for user', [
733 'uri-id' => $item['uri-id'],
734 'uid' => $item['uid'],
735 'network' => $item['network'],
736 'existing_id' => $existing['id'],
737 'existing_network' => $existing['network']
741 return $existing['id'];
748 * Fetch the uri-id of the parent for the given uri-id
750 * @param integer $uriid
753 public static function getParent(int $uriid): int
755 $thread_parent = Post::selectFirstPost(['thr-parent-id', 'gravity'], ['uri-id' => $uriid]);
756 if (empty($thread_parent)) {
760 if ($thread_parent['gravity'] == Item::GRAVITY_PARENT) {
764 return self::getParent($thread_parent['thr-parent-id']);
768 * Fetch top-level parent data for the given item array
771 * @return array item array with parent data
774 private static function getTopLevelParent(array $item): array
777 'uid', 'uri', 'parent-uri', 'id', 'deleted',
778 'uri-id', 'parent-uri-id',
779 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
780 'wall', 'private', 'origin', 'author-id'
782 $condition = ['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => $item['uid']];
783 $params = ['order' => ['id' => false]];
784 $parent = Post::selectFirst($fields, $condition, $params);
786 if (!DBA::isResult($parent) && Post::exists(['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => 0])) {
787 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
788 if (!$stored && ($item['thr-parent-id'] != $item['parent-uri-id'])) {
789 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
792 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
793 $parent = Post::selectFirst($fields, $condition, $params);
797 if (!DBA::isResult($parent)) {
798 Logger::notice('item parent was not found - ignoring item', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
802 if ($parent['uri-id'] == $parent['parent-uri-id']) {
807 'uri-id' => $parent['parent-uri-id'],
808 'parent-uri-id' => $parent['parent-uri-id'],
809 'uid' => $parent['uid']
811 $params = ['order' => ['id' => false]];
812 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
814 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
815 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
816 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
817 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
820 if (!DBA::isResult($toplevel_parent)) {
821 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
825 return $toplevel_parent;
829 * Get the gravity for the given item array
832 * @return integer gravity
834 private static function getGravity(array $item): int
836 $activity = DI::activity();
838 if (isset($item['gravity'])) {
839 return intval($item['gravity']);
840 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
841 return self::GRAVITY_PARENT;
842 } elseif ($activity->match($item['verb'], Activity::POST)) {
843 return self::GRAVITY_COMMENT;
844 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
845 return self::GRAVITY_ACTIVITY;
846 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
847 return self::GRAVITY_ACTIVITY;
850 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
851 return self::GRAVITY_UNKNOWN; // Should not happen
854 private static function prepareOriginPost(array $item): array
856 $item = DI::contentItem()->initializePost($item);
857 $item = DI::contentItem()->finalizePost($item);
863 * Inserts item record
865 * @param array $item Item array to be inserted
866 * @param int $notify Notification (type?)
867 * @param bool $post_local (???)
868 * @return int Zero means error, otherwise primary key (id) is being returned
870 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
874 $priority = Worker::PRIORITY_HIGH;
876 // If it is a posting where users should get notifications, then define it as wall posting
878 $item = self::prepareOriginPost($item);
880 if (is_int($notify) && in_array($notify, Worker::PRIORITIES)) {
884 // Mastodon style API visibility
885 $copy_permissions = ($item['visibility'] ?? 'private') == 'private';
886 unset($item['visibility']);
888 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
891 $uid = intval($item['uid']);
893 $item['guid'] = self::guid($item, $notify);
894 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['guid']), 0, 255);
897 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
899 // Backward compatibility: parent-uri used to be the direct parent uri.
900 // If it is provided without a thr-parent, it probably is the old behavior.
901 if (empty($item['thr-parent']) || empty($item['parent-uri'])) {
902 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
903 $item['parent-uri'] = $item['thr-parent'];
906 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
907 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
909 // Store conversation data
910 $source = $item['source'] ?? '';
911 unset($item['conversation-uri']);
912 unset($item['conversation-href']);
913 unset($item['source']);
916 * Do we already have this item?
917 * We have to check several networks since Friendica posts could be repeated
918 * via OStatus (maybe Diaspora as well)
920 $duplicate = self::getDuplicateID($item);
925 // Additional duplicate checks
926 /// @todo Check why the first duplication check returns the item number and the second a 0
927 if (self::isDuplicate($item)) {
931 if (!isset($item['post-type'])) {
932 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
935 $defined_permissions = isset($item['allow_cid']) && isset($item['allow_gid']) && isset($item['deny_cid']) && isset($item['deny_gid']) && isset($item['private']);
937 $item['wall'] = intval($item['wall'] ?? 0);
938 $item['extid'] = trim($item['extid'] ?? '');
939 $item['author-name'] = trim($item['author-name'] ?? '');
940 $item['author-link'] = trim($item['author-link'] ?? '');
941 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
942 $item['owner-name'] = trim($item['owner-name'] ?? '');
943 $item['owner-link'] = trim($item['owner-link'] ?? '');
944 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
945 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
946 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
947 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
948 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
949 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
950 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
951 $item['location'] = trim($item['location'] ?? '');
952 $item['coord'] = trim($item['coord'] ?? '');
953 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
954 $item['deleted'] = 0;
955 $item['verb'] = trim($item['verb'] ?? '');
956 $item['object-type'] = trim($item['object-type'] ?? '');
957 $item['object'] = trim($item['object'] ?? '');
958 $item['target-type'] = trim($item['target-type'] ?? '');
959 $item['target'] = trim($item['target'] ?? '');
960 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
961 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
962 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
963 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
964 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
965 $item['private'] = intval($item['private'] ?? self::PUBLIC);
966 $item['body'] = trim($item['body'] ?? '');
967 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
968 $item['app'] = trim($item['app'] ?? '');
969 $item['origin'] = intval($item['origin'] ?? 0);
970 $item['postopts'] = trim($item['postopts'] ?? '');
971 $item['resource-id'] = trim($item['resource-id'] ?? '');
972 $item['event-id'] = intval($item['event-id'] ?? 0);
973 $item['inform'] = trim($item['inform'] ?? '');
974 $item['file'] = trim($item['file'] ?? '');
976 // Communities aren't working with the Diaspora protocol
977 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
978 $user = User::getById($uid, ['account-type']);
979 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
980 Logger::info('Community posts are not supported via Diaspora');
985 // Items cannot be stored before they happen ...
986 if ($item['created'] > DateTimeFormat::utcNow()) {
987 $item['created'] = DateTimeFormat::utcNow();
990 // We haven't invented time travel by now.
991 if ($item['edited'] > DateTimeFormat::utcNow()) {
992 $item['edited'] = DateTimeFormat::utcNow();
995 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
997 $item['gravity'] = self::getGravity($item);
1000 'url' => $item['author-link'], 'name' => $item['author-name'],
1001 'photo' => $item['author-avatar'], 'network' => $item['network']
1003 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1006 'url' => $item['owner-link'], 'name' => $item['owner-name'],
1007 'photo' => $item['owner-avatar'], 'network' => $item['network']
1009 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1011 $item['post-reason'] = self::getPostReason($item);
1013 // Ensure that there is an avatar cache
1014 Contact::checkAvatarCache($item['author-id']);
1015 Contact::checkAvatarCache($item['owner-id']);
1017 $item['contact-id'] = self::contactId($item);
1020 !empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
1021 empty($item['origin']) && self::isTooOld($item)
1023 Logger::info('Item is too old', ['item' => $item]);
1027 if (!self::isValid($item)) {
1031 if ($item['gravity'] !== self::GRAVITY_PARENT) {
1032 $toplevel_parent = self::getTopLevelParent($item);
1033 if (empty($toplevel_parent)) {
1037 $parent_id = $toplevel_parent['id'];
1038 $item['parent-uri'] = $toplevel_parent['uri'];
1039 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
1040 $item['deleted'] = $toplevel_parent['deleted'];
1041 $item['wall'] = $toplevel_parent['wall'];
1043 // Reshares have to keep their permissions to allow groups to work
1044 if (!$defined_permissions && (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE))) {
1045 // Don't store the permissions on pure AP posts
1046 $store_permissions = ($item['network'] != Protocol::ACTIVITYPUB) || $item['origin'] || !empty($item['diaspora_signed_text']);
1047 $item['allow_cid'] = $store_permissions ? $toplevel_parent['allow_cid'] : '';
1048 $item['allow_gid'] = $store_permissions ? $toplevel_parent['allow_gid'] : '';
1049 $item['deny_cid'] = $store_permissions ? $toplevel_parent['deny_cid'] : '';
1050 $item['deny_gid'] = $store_permissions ? $toplevel_parent['deny_gid'] : '';
1053 $parent_origin = $toplevel_parent['origin'];
1055 // Don't federate received participation messages
1056 if ($item['verb'] != Activity::FOLLOW) {
1057 $item['wall'] = $toplevel_parent['wall'];
1059 $item['wall'] = false;
1060 // Participations are technical messages, so they are set to "seen" automatically
1061 $item['unseen'] = false;
1065 * If the parent is private, force privacy for the entire conversation
1066 * This differs from the above settings as it subtly allows comments from
1067 * email correspondents to be private even if the overall thread is not.
1069 if (!$defined_permissions && $toplevel_parent['private']) {
1070 $item['private'] = $toplevel_parent['private'];
1073 // If its a post that originated here then tag the thread as "mention"
1074 if ($item['origin'] && $item['uid']) {
1075 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1076 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1079 // Update the contact relations
1080 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1083 $parent_origin = $item['origin'];
1085 if ($item['wall'] && empty($item['conversation'])) {
1086 $item['conversation'] = $item['parent-uri'] . '#context';
1090 if ($item['origin']) {
1092 Photo::setPermissionFromBody($item['body'], $item['uid'], $item['contact-id'], $item['allow_cid'], $item['allow_gid'], $item['deny_cid'], $item['deny_gid'])
1093 && ($item['object-type'] != Activity\ObjectType::EVENT)
1095 $item['object-type'] = Activity\ObjectType::IMAGE;
1098 $item = DI::contentItem()->moveAttachmentsFromBodyToAttach($item);
1101 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1102 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1104 if (!empty($item['conversation']) && empty($item['conversation-id'])) {
1105 $item['conversation-id'] = ItemURI::getIdByURI($item['conversation']);
1108 // Is this item available in the global items (with uid=0)?
1109 if ($item['uid'] == 0) {
1110 $item['global'] = true;
1112 // Set the global flag on all items if this was a global item entry
1113 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
1115 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
1119 if (!$defined_permissions && !empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
1120 $item['private'] = self::PRIVATE;
1123 if ($notify && $post_local) {
1124 $item['edit'] = false;
1125 $item['parent'] = $parent_id;
1127 // Trigger automatic reactions for addons
1128 if (!isset($item['api_source'])) {
1129 $item['api_source'] = true;
1132 // We have to tell the hooks who we are - this really should be improved
1133 if (!DI::userSession()->getLocalUserId()) {
1134 $_SESSION['authenticated'] = true;
1135 $_SESSION['uid'] = $uid;
1136 $dummy_session = true;
1138 $dummy_session = false;
1141 Hook::callAll('post_local', $item);
1143 if ($dummy_session) {
1144 unset($_SESSION['authenticated']);
1145 unset($_SESSION['uid']);
1147 } elseif (!$notify) {
1148 Hook::callAll('post_remote', $item);
1151 if (!empty($item['cancel'])) {
1152 Logger::notice('post cancelled by addon.');
1156 if (empty($item['vid']) && !empty($item['verb'])) {
1157 $item['vid'] = Verb::getID($item['verb']);
1160 // Creates or assigns the permission set
1161 $item['psid'] = DI::permissionSet()->selectOrCreate(
1162 DI::permissionSetFactory()->createFromString(
1171 if (!empty($item['extid'])) {
1172 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1175 if ($item['verb'] == Activity::ANNOUNCE) {
1176 self::setOwnerforResharedItem($item);
1179 if (isset($item['attachments'])) {
1180 foreach ($item['attachments'] as $attachment) {
1181 $attachment['uri-id'] = $item['uri-id'];
1182 Post\Media::insert($attachment);
1184 unset($item['attachments']);
1187 if (empty($item['quote-uri-id'])) {
1188 $quote_id = self::getQuoteUriId($item['body']);
1189 if (!empty($quote_id)) {
1190 // This is one of these "should not happen" situations.
1191 // The protocol implementations should already have done this job.
1192 Logger::notice('Quote-uri-id detected in post', ['id' => $quote_id, 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1193 $item['quote-uri-id'] = $quote_id;
1197 if (!empty($item['quote-uri-id']) && ($item['quote-uri-id'] == $item['uri-id'])) {
1198 Logger::info('Quote-Uri-Id is identical to Uri-Id', ['uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1199 unset($item['quote-uri-id']);
1202 if (!empty($item['quote-uri-id'])) {
1203 $item['raw-body'] = BBCode::removeSharedData($item['raw-body']);
1204 $item['body'] = BBCode::removeSharedData($item['body']);
1207 // Remove all media attachments from the body and store them in the post-media table
1208 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1209 $item['raw-body'] = self::setHashtags($item['raw-body']);
1211 $author = Contact::getById($item['author-id'], ['network']);
1212 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body'], $item['body'], $author['network'] ?? '');
1214 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1215 $item['body'] = BBCode::removeAttachment($item['body']);
1216 $item['raw-body'] = BBCode::removeAttachment($item['raw-body']);
1218 // Check for hashtags in the body and repair or add hashtag links
1219 $item['body'] = self::setHashtags($item['body']);
1221 $notify_type = Delivery::POST;
1223 // Filling item related side tables
1224 if (!empty($item['attach'])) {
1225 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1228 if (empty($item['event-id'])) {
1229 unset($item['event-id']);
1231 $ev = Event::fromBBCode($item['body']);
1232 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1233 Logger::info('Event found.');
1234 $ev['cid'] = $item['contact-id'];
1235 $ev['uid'] = $item['uid'];
1236 $ev['uri'] = $item['uri'];
1237 $ev['edited'] = $item['edited'];
1238 $ev['private'] = $item['private'];
1239 $ev['guid'] = $item['guid'];
1240 $ev['plink'] = $item['plink'];
1241 $ev['network'] = $item['network'];
1242 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1243 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1244 $ev['source'] = $item['source'] ?? '';
1246 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1247 if (DBA::isResult($event)) {
1248 $ev['id'] = $event['id'];
1251 $event_id = Event::store($ev);
1252 $item = Event::getItemArrayForImportedId($event_id, $item);
1254 Logger::info('Event was stored', ['id' => $event_id]);
1258 if (empty($item['causer-id'])) {
1259 unset($item['causer-id']);
1262 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1263 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1264 if (!empty($content_warning) && empty($item['content-warning'])) {
1265 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1269 $item['language'] = self::getLanguage($item);
1271 $inserted = Post::insert($item['uri-id'], $item);
1273 if ($item['gravity'] == self::GRAVITY_PARENT) {
1274 Post\Thread::insert($item['uri-id'], $item);
1277 // The content of activities normally doesn't matter - except for likes from Misskey
1278 if (!in_array($item['verb'], self::ACTIVITIES) || in_array($item['verb'], [Activity::LIKE, Activity::DISLIKE]) && !empty($item['body']) && (mb_strlen($item['body']) == 1)) {
1279 Post\Content::insert($item['uri-id'], $item);
1282 $item['parent'] = $parent_id;
1284 // Create Diaspora signature
1285 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != self::GRAVITY_PARENT)) {
1286 $signed = Diaspora::createCommentSignature($item);
1287 if (!empty($signed)) {
1288 $item['diaspora_signed_text'] = json_encode($signed);
1292 if (!empty($item['diaspora_signed_text'])) {
1293 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1296 // Attached file links
1297 if (!empty($item['file'])) {
1298 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1301 // Delivery relevant data
1302 $delivery_data = Post\DeliveryData::extractFields($item);
1304 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1305 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1308 // Store tags from the body if this hadn't been handled previously in the protocol classes
1309 if (!Tag::existsForPost($item['uri-id'])) {
1310 Tag::storeFromBody($item['uri-id'], $item['body']);
1313 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1314 if (Post::exists($condition)) {
1315 Logger::notice('Item is already inserted - aborting', $condition);
1319 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1320 if (!$post_user_id) {
1321 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1325 if ($item['gravity'] == self::GRAVITY_PARENT) {
1326 $item['post-user-id'] = $post_user_id;
1327 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1330 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1332 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1333 if (!DBA::isResult($posted_item)) {
1334 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1335 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1336 self::spool($orig_item);
1340 // update the commented timestamp on the parent
1341 if (DI::config()->get('system', 'like_no_comment')) {
1342 // Update when it is a comment
1343 $update_commented = in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]);
1345 // Update when it isn't a follow or tag verb
1346 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1349 if ($update_commented) {
1350 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1352 $fields = ['changed' => DateTimeFormat::utcNow()];
1355 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1357 // In that function we check if this is a group post. Additionally we delete the item under certain circumstances
1358 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1359 // Get the user information for the logging
1360 $user = User::getById($uid);
1362 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1367 DI::contentItem()->postProcessPost($posted_item);
1368 if ($copy_permissions && ($posted_item['thr-parent-id'] != $posted_item['uri-id']) && ($posted_item['private'] == self::PRIVATE)) {
1369 DI::contentItem()->copyPermissions($posted_item['thr-parent-id'], $posted_item['uri-id'], $posted_item['parent-uri-id']);
1372 Hook::callAll('post_remote_end', $posted_item);
1375 if ($posted_item['gravity'] === self::GRAVITY_PARENT) {
1376 self::addShadow($post_user_id);
1378 self::addShadowPost($post_user_id);
1381 self::updateContact($posted_item);
1383 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1385 // Distribute items to users who subscribed to their tags
1386 self::distributeByTags($posted_item);
1388 // Automatically reshare the item if the "remote_self" option is selected
1389 self::autoReshare($posted_item);
1391 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1394 if ($posted_item['uid'] && Contact\User::isBlocked($posted_item['author-id'], $posted_item['uid'])) {
1395 Logger::info('Message from blocked author will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['author-id']]);
1398 if ($transmit && $posted_item['uid'] && Contact\User::isBlocked($posted_item['owner-id'], $posted_item['uid'])) {
1399 Logger::info('Message from blocked owner will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['owner-id']]);
1402 if ($transmit && !empty($posted_item['causer-id']) && $posted_item['uid'] && Contact\User::isBlocked($posted_item['causer-id'], $posted_item['uid'])) {
1403 Logger::info('Message from blocked causer will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['causer-id']]);
1407 // Don't relay participation messages
1408 if (($posted_item['verb'] == Activity::FOLLOW) &&
1409 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))
1411 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1416 if (!empty($source) && ($transmit || DI::config()->get('debug', 'store_source'))) {
1417 Post\Activity::insert($posted_item['uri-id'], $source);
1421 ActivityPub\Transmitter::storeReceiversForItem($posted_item);
1423 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1426 // Fill the cache with the rendered content.
1427 if (in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1428 self::updateDisplayCache($posted_item['uri-id']);
1432 Post\Engagement::storeFromItem($posted_item);
1435 return $post_user_id;
1439 * Fetch the post reason for a given item array
1441 * @param array $item
1445 public static function getPostReason(array $item): int
1447 $actor = ($item['gravity'] == self::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1448 if (empty($item['origin']) && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1449 return self::PR_FOLLOWER;
1452 if (!empty($item['origin']) && empty($item['post-reason'])) {
1453 return self::PR_LOCAL;
1456 return $item['post-reason'] ?? self::PR_NONE;
1460 * Update the display cache
1462 * @param integer $uri_id
1464 * @throws InternalServerErrorException
1465 * @throws \ImagickException
1467 public static function updateDisplayCache(int $uri_id)
1469 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1474 self::prepareBody($item, false, false, true);
1478 * Change the owner of a parent item if it had been shared by a group
1480 * (public) group posts in the new format consist of the regular post by the author
1481 * followed by an announce message sent from the group account.
1482 * Changing the owner helps in grouping group posts.
1484 * @param array $item
1487 private static function setOwnerforResharedItem(array $item)
1489 if ($item['uid'] == 0) {
1493 $parent = Post::selectFirst(
1494 ['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1495 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]
1497 if (!DBA::isResult($parent)) {
1498 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1502 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1503 if (!DBA::isResult($author)) {
1504 Logger::error('Author not found', ['id' => $item['author-id']]);
1508 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1509 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1511 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1512 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1513 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1517 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1518 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1519 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1523 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1524 Logger::info('The resharer is no group: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1529 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1530 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1534 * Distribute the given item to users who subscribed to their tags
1536 * @param array $item Processed item
1538 private static function distributeByTags(array $item)
1540 if (($item['uid'] != 0) || ($item['gravity'] != self::GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1544 $languages = $item['language'] ? array_keys(json_decode($item['language'], true)) : [];
1546 foreach (Tag::getUIDListByURIId($item['uri-id']) as $uid => $tags) {
1547 if (!empty($languages)) {
1549 $user_languages = User::getWantedLanguages($uid);
1550 foreach ($user_languages as $language) {
1551 if (in_array($language, $languages)) {
1556 Logger::debug('Wanted languages found', ['uid' => $uid, 'user-languages' => $user_languages, 'item-languages' => $languages]);
1558 Logger::debug('No wanted languages found', ['uid' => $uid, 'user-languages' => $user_languages, 'item-languages' => $languages]);
1563 $stored = self::storeForUserByUriId($item['uri-id'], $uid, ['post-reason' => self::PR_TAG]);
1564 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1565 foreach ($tags as $tag) {
1566 $stored = Category::storeFileByURIId($item['uri-id'], $uid, Category::SUBCRIPTION, $tag);
1567 Logger::debug('Stored tag subscription for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, $tag, 'stored' => $stored]);
1573 * Distributes public items to the receivers
1575 * @param integer $itemid Item ID that should be added
1576 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1577 * @throws \Exception
1579 public static function distribute(int $itemid, string $signed_text = '')
1581 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1582 $parent = Post::selectFirst(['owner-id'], $condition);
1583 if (!DBA::isResult($parent)) {
1584 Logger::warning('Item not found', ['condition' => $condition]);
1588 // Only distribute public items from native networks
1590 'id' => $itemid, 'uid' => 0,
1591 'network' => array_merge(Protocol::FEDERATED, ['']),
1592 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]
1594 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), $condition);
1595 if (!DBA::isResult($item)) {
1596 Logger::warning('Item not found', ['condition' => $condition]);
1600 $origin = $item['origin'];
1604 /// @todo add a field "pcid" in the contact table that refers to the public contact id.
1605 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1606 if (!DBA::isResult($owner)) {
1610 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1611 $contacts = DBA::select('contact', ['uid'], $condition);
1612 while ($contact = DBA::fetch($contacts)) {
1613 if ($contact['uid'] == 0) {
1617 $users[$contact['uid']] = $contact['uid'];
1619 DBA::close($contacts);
1621 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1622 $contacts = DBA::select('contact', ['uid'], $condition);
1623 while ($contact = DBA::fetch($contacts)) {
1624 if ($contact['uid'] == 0) {
1628 $users[$contact['uid']] = $contact['uid'];
1630 DBA::close($contacts);
1632 if (!empty($owner['alias'])) {
1633 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1634 $contacts = DBA::select('contact', ['uid'], $condition);
1635 while ($contact = DBA::fetch($contacts)) {
1636 if ($contact['uid'] == 0) {
1640 $users[$contact['uid']] = $contact['uid'];
1642 DBA::close($contacts);
1647 if ($item['uri-id'] != $item['parent-uri-id']) {
1648 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1649 while ($parent = Post::fetch($parents)) {
1650 $users[$parent['uid']] = $parent['uid'];
1651 if ($parent['origin'] && !$origin) {
1652 $origin_uid = $parent['uid'];
1655 DBA::close($parents);
1658 foreach ($users as $uid) {
1659 if ($origin_uid == $uid) {
1660 $item['diaspora_signed_text'] = $signed_text;
1662 $item['post-reason'] = self::PR_DISTRIBUTE;
1663 self::storeForUser($item, $uid);
1668 * Store a public item defined by their URI-ID for the given users
1670 * @param integer $uri_id URI-ID of the given item
1671 * @param integer $uid The user that will receive the item entry
1672 * @param array $fields Additional fields to be stored
1673 * @param integer $source_uid User id of the source post
1674 * @return integer stored item id
1676 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1678 if ($uid == $source_uid) {
1679 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1683 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['uri-id' => $uri_id, 'uid' => $source_uid]);
1684 if (!DBA::isResult($item)) {
1685 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1689 if (($uid != 0) && ($item['gravity'] == self::GRAVITY_PARENT)) {
1690 $owner = User::getOwnerDataById($uid);
1691 if (($owner['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && !Tag::isMentioned($uri_id, $owner['url'])) {
1692 Logger::info('Target user is a group but is not mentioned here, thread will not be stored', ['uid' => $uid, 'uri-id' => $uri_id]);
1697 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1698 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']]);
1702 $item['post-reason'] = self::PR_STORED;
1704 $item = array_merge($item, $fields);
1706 if (($uid != 0) && Contact::isSharing(($item['gravity'] == Item::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'], $uid)) {
1707 $item['post-reason'] = self::PR_FOLLOWER;
1710 $is_reshare = ($item['gravity'] == self::GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1712 if (($uid != 0) && (($item['gravity'] == self::GRAVITY_PARENT) || $is_reshare) &&
1713 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1714 !in_array($item['post-reason'], [self::PR_FOLLOWER, self::PR_TAG, self::PR_TO, self::PR_CC, self::PR_ACTIVITY, self::PR_AUDIENCE])
1716 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']]);
1720 $causer = $item['causer-id'] ?: $item['author-id'];
1722 if (($uri_id != $item['parent-uri-id']) && ($item['gravity'] == self::GRAVITY_COMMENT) && !Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
1723 if (!self::fetchParent($item['parent-uri-id'], $uid, $causer)) {
1724 Logger::info('Parent post had not been added', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1727 Logger::info('Fetched parent post', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1728 } elseif (($uri_id != $item['thr-parent-id']) && $is_reshare && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1729 if (!self::fetchParent($item['thr-parent-id'], $uid, $causer)) {
1730 Logger::info('Thread parent had not been added', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1733 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1736 $stored = self::storeForUser($item, $uid);
1737 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'causer' => $causer, 'source-uid' => $source_uid, 'stored' => $stored]);
1742 * Fetch the parent with the given uri-id
1744 * @param integer $uri_id
1745 * @param integer $uid
1746 * @param integer $causer
1750 private static function fetchParent(int $uri_id, int $uid, int $causer): int
1752 // Fetch the origin user for the post
1753 $origin_uid = self::GetOriginUidForUriId($uri_id, $uid);
1754 if (is_null($origin_uid)) {
1755 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $uri_id]);
1759 return self::storeForUserByUriId($uri_id, $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1763 * Returns the origin uid of a post if the given user is allowed to see it.
1769 private static function GetOriginUidForUriId(int $uriid, int $uid)
1771 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1775 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1776 if (!empty($post)) {
1777 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1778 return $post['uid'];
1781 $pcid = Contact::getPublicIdByUserId($uid);
1786 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1787 if ($receiver == $pcid) {
1788 return $post['uid'];
1795 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1799 // When the post belongs to a a group then all group users are allowed to access it
1800 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1801 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1802 $target_uid = User::getIdForURL($tag['url']);
1803 if (!empty($target_uid)) {
1813 * Store a public item array for the given users
1815 * @param array $item The item entry that will be stored
1816 * @param integer $uid The user that will receive the item entry
1817 * @return integer stored item id
1818 * @throws \Exception
1820 private static function storeForUser(array $item, int $uid): int
1822 $post = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1823 if (!empty($post['id'])) {
1824 if (!empty($item['event-id'])) {
1825 $event_post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1826 if (!empty($event_post['event-id'])) {
1827 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish'], ['id' => $item['event-id']]);
1828 if (!empty($event)) {
1829 // We aren't using "Event::store" here, since we don't want to trigger any further action
1830 $ret = DBA::update('event', $event, ['id' => $event_post['event-id']]);
1831 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $event_post['event-id'], 'ret' => $ret]);
1835 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'id' => $post['id']]);
1839 // Data from the "post-user" table
1841 unset($item['mention']);
1842 unset($item['starred']);
1843 unset($item['unseen']);
1844 unset($item['psid']);
1845 unset($item['pinned']);
1846 unset($item['ignored']);
1847 unset($item['pubmail']);
1848 unset($item['event-id']);
1849 unset($item['hidden']);
1850 unset($item['notification-type']);
1852 // Data from the "post-delivery-data" table
1853 unset($item['postopts']);
1854 unset($item['inform']);
1856 $item['uid'] = $uid;
1857 $item['origin'] = 0;
1861 if ($item['gravity'] == self::GRAVITY_PARENT) {
1862 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1863 if (DBA::isResult($contact)) {
1864 $notify = self::isRemoteSelf($contact, $item);
1865 $item['wall'] = (bool)$notify;
1869 $item['contact-id'] = self::contactId($item);
1870 $distributed = self::insert($item, $notify);
1872 if (!$distributed) {
1873 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1875 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1877 return $distributed;
1881 * Add a shadow entry for a given item id that is a thread starter
1883 * We store every public item entry additionally with the user id "0".
1884 * This is used for the community page and for the search.
1885 * It is planned that in the future we will store public item entries only once.
1887 * @param integer $itemid Item ID that should be added
1888 * @throws \Exception
1890 private static function addShadow(int $itemid)
1892 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1893 $condition = ['id' => $itemid, 'gravity' => self::GRAVITY_PARENT];
1894 $item = Post::selectFirst($fields, $condition);
1896 if (!DBA::isResult($item)) {
1900 // is it already a copy?
1901 if (($itemid == 0) || ($item['uid'] == 0)) {
1905 // Is it a visible public post?
1906 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1910 // is it an entry from a connector? Only add an entry for natively connected networks
1911 if (!in_array($item["network"], array_merge(Protocol::FEDERATED, ['']))) {
1915 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1919 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1921 if (DBA::isResult($item)) {
1922 // Preparing public shadow (removing user specific data)
1925 unset($item['parent']);
1926 unset($item['wall']);
1927 unset($item['mention']);
1928 unset($item['origin']);
1929 unset($item['starred']);
1930 unset($item['postopts']);
1931 unset($item['inform']);
1932 unset($item['post-reason']);
1933 if ($item['uri-id'] == $item['parent-uri-id']) {
1934 $item['contact-id'] = $item['owner-id'];
1936 $item['contact-id'] = $item['author-id'];
1939 $public_shadow = self::insert($item);
1941 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1946 * Add a shadow entry for a given item id that is a comment
1948 * This function does the same like the function above - but for comments
1950 * @param integer $itemid Item ID that should be added
1951 * @throws \Exception
1953 private static function addShadowPost(int $itemid)
1955 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1956 if (!DBA::isResult($item)) {
1960 // Is it a toplevel post?
1961 if ($item['gravity'] == self::GRAVITY_PARENT) {
1962 self::addShadow($itemid);
1966 // Is this a shadow entry?
1967 if ($item['uid'] == 0) {
1971 // Is there a shadow parent?
1972 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1976 // Is there already a shadow entry?
1977 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1981 // Save "origin" and "parent" state
1982 $origin = $item['origin'];
1983 $parent = $item['parent'];
1985 // Preparing public shadow (removing user specific data)
1988 unset($item['parent']);
1989 unset($item['wall']);
1990 unset($item['mention']);
1991 unset($item['origin']);
1992 unset($item['starred']);
1993 unset($item['postopts']);
1994 unset($item['inform']);
1995 unset($item['post-reason']);
1996 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1998 $public_shadow = self::insert($item);
2000 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
2002 // If this was a comment to a Diaspora post we don't get our comment back.
2003 // This means that we have to distribute the comment by ourselves.
2004 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2005 self::distribute($public_shadow);
2010 * Adds a language specification in a "language" element of given $arr.
2011 * Expects "body" element to exist in $arr.
2013 * @param array $item
2014 * @return string detected language
2015 * @throws \Text_LanguageDetect_Exception
2017 private static function getLanguage(array $item): ?string
2019 if (!empty($item['language'])) {
2020 return $item['language'];
2024 foreach ($item['transmitted-languages'] ?? [] as $language) {
2025 $transmitted[$language] = 0;
2028 $content = trim(($item['title'] ?? '') . ' ' . ($item['content-warning'] ?? '') . ' ' . ($item['body'] ?? ''));
2030 if (!in_array($item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) || empty($content)) {
2031 return !empty($transmitted) ? json_encode($transmitted) : null;
2034 $languages = self::getLanguageArray($content, 3, $item['uri-id'], $item['author-id']);
2035 if (empty($languages)) {
2036 return !empty($transmitted) ? json_encode($transmitted) : null;
2039 if (!empty($transmitted)) {
2040 $languages = array_merge($transmitted, $languages);
2044 return json_encode($languages);
2048 * Get a language array from a given text
2050 * @param string $body
2051 * @param integer $count
2052 * @param integer $uri_id
2053 * @param integer $author_id
2056 public static function getLanguageArray(string $body, int $count, int $uri_id = 0, int $author_id = 0): array
2058 $searchtext = BBCode::toSearchText($body, $uri_id);
2060 if ((count(explode(' ', $searchtext)) < 10) && (mb_strlen($searchtext) < 30) && $author_id) {
2061 $author = Contact::selectFirst(['about'], ['id' => $author_id]);
2062 if (!empty($author['about'])) {
2063 $about = BBCode::toSearchText($author['about'], 0);
2064 Logger::debug('About field added', ['author' => $author_id, 'body' => $searchtext, 'about' => $about]);
2065 $searchtext .= ' ' . $about;
2069 if (empty($searchtext)) {
2073 $ld = new Language(DI::l10n()->getDetectableLanguages());
2077 foreach (self::splitByBlocks($searchtext) as $block) {
2078 $languages = $ld->detect($block)->close() ?: [];
2082 'detected' => $languages,
2083 'uri-id' => $uri_id,
2084 'author-id' => $author_id,
2086 Hook::callAll('detect_languages', $data);
2088 foreach ($data['detected'] as $language => $quality) {
2089 $result[$language] = max($result[$language] ?? 0, $quality * (strlen($block) / strlen($searchtext)));
2093 $result = self::compactLanguages($result);
2096 return array_slice($result, 0, $count);
2100 * Concert the language code in the detection result to ISO 639-1.
2101 * On duplicates the system uses the higher quality value.
2103 * @param array $result
2106 private static function compactLanguages(array $result): array
2109 foreach ($result as $language => $quality) {
2110 if ($quality == 0) {
2113 $code = DI::l10n()->toISO6391($language);
2114 if (empty($languages[$code]) || ($languages[$code] < $quality)) {
2115 $languages[$code] = $quality;
2122 * Split a string into different unicode blocks
2123 * Currently the text is split into the latin and the non latin part.
2125 * @param string $body
2128 private static function splitByBlocks(string $body): array
2130 if (!class_exists('IntlChar')) {
2135 $previous_block = 0;
2137 for ($i = 0; $i < mb_strlen($body); $i++) {
2138 $character = mb_substr($body, $i, 1);
2139 $previous = ($i > 0) ? mb_substr($body, $i - 1, 1) : '';
2140 $next = ($i < mb_strlen($body)) ? mb_substr($body, $i + 1, 1) : '';
2142 if (!\IntlChar::isalpha($character)) {
2143 if (($previous != '') && (\IntlChar::isalpha($previous))) {
2144 $previous_block = self::getBlockCode($previous);
2147 $block = (($next != '') && \IntlChar::isalpha($next)) ? self::getBlockCode($next) : $previous_block;
2148 $blocks[$block] = ($blocks[$block] ?? '') . $character;
2150 $block = self::getBlockCode($character);
2151 $blocks[$block] = ($blocks[$block] ?? '') . $character;
2155 foreach (array_keys($blocks) as $key) {
2156 $blocks[$key] = trim($blocks[$key]);
2157 if (empty($blocks[$key])) {
2158 unset($blocks[$key]);
2162 return array_values($blocks);
2166 * returns the block code for the given character
2168 * @param string $character
2169 * @return integer 0 = no alpha character (blank, signs, emojis, ...), 1 = latin character, 2 = character in every other language
2171 private static function getBlockCode(string $character): int
2173 if (!\IntlChar::isalpha($character)) {
2176 return self::isLatin($character) ? 1 : 2;
2180 * Checks if the given character is in one of the latin code blocks
2182 * @param string $character
2185 private static function isLatin(string $character): bool
2187 return in_array(\IntlChar::getBlockCode($character), [
2188 \IntlChar::BLOCK_CODE_BASIC_LATIN, \IntlChar::BLOCK_CODE_LATIN_1_SUPPLEMENT,
2189 \IntlChar::BLOCK_CODE_LATIN_EXTENDED_A, \IntlChar::BLOCK_CODE_LATIN_EXTENDED_B,
2190 \IntlChar::BLOCK_CODE_LATIN_EXTENDED_C, \IntlChar::BLOCK_CODE_LATIN_EXTENDED_D,
2191 \IntlChar::BLOCK_CODE_LATIN_EXTENDED_E, \IntlChar::BLOCK_CODE_LATIN_EXTENDED_ADDITIONAL
2195 public static function getLanguageMessage(array $item): string
2197 $iso639 = new \Matriphe\ISO639\ISO639;
2199 $used_languages = '';
2200 foreach (json_decode($item['language'], true) as $language => $reliability) {
2201 $code = DI::l10n()->toISO6391($language);
2203 $native = $iso639->nativeByCode1($code);
2204 $language = $iso639->languageByCode1($code);
2205 if ($native != $language) {
2206 $used_languages .= DI::l10n()->t('%s (%s - %s): %s', $native, $language, $code, number_format($reliability, 5)) . '\n';
2208 $used_languages .= DI::l10n()->t('%s (%s): %s', $native, $code, number_format($reliability, 5)) . '\n';
2211 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2212 return $used_languages;
2216 * Creates an unique guid out of a given uri.
2217 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
2218 * Posts that are created on this system are using System::createUUID.
2219 * Received ActivityPub posts are using Processor::getGUIDByURL.
2221 * @param string $uri uri of an item entry
2222 * @param string|null $host hostname for the GUID prefix
2223 * @return string Unique guid
2224 * @throws \Exception
2226 public static function guidFromUri(string $uri, string $host = null): string
2228 // Our regular guid routine is using this kind of prefix as well
2229 // We have to avoid that different routines could accidentally create the same value
2230 $parsed = parse_url($uri);
2232 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2233 unset($parsed['scheme']);
2235 $hostPart = $host ?: $parsed['host'] ?? '';
2237 Logger::warning('Empty host GUID part', ['uri' => $uri, 'host' => $host, 'parsed' => $parsed]);
2240 // Glue it together to be able to make a hash from it
2241 if (!empty($parsed)) {
2242 $host_id = implode('/', (array)$parsed);
2247 // Use a mixture of several hashes to provide some GUID like experience
2248 return hash('crc32', $hostPart) . '-' . hash('joaat', $host_id) . '-' . hash('fnv164', $host_id);
2252 * generate an unique URI
2254 * @param string $guid An existing GUID (Otherwise it will be generated)
2257 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2259 public static function newURI(string $guid = ''): string
2262 $guid = System::createUUID();
2265 return DI::baseUrl() . '/objects/' . $guid;
2269 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2271 * This can be used to filter for inactive contacts.
2272 * Only do this for public postings to avoid privacy problems, since poco data is public.
2273 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2275 * @param array $arr Contains the just posted item record
2276 * @throws \Exception
2278 private static function updateContact(array $arr)
2280 // Unarchive the author
2281 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2282 if (DBA::isResult($contact)) {
2283 Contact::unmarkForArchival($contact);
2286 // Unarchive the contact if it's not our own contact
2287 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2288 if (DBA::isResult($contact)) {
2289 Contact::unmarkForArchival($contact);
2292 /// @todo On private posts we could obfuscate the date
2293 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2295 // Is it a group? Then we don't care about the rules from above
2296 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
2297 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2303 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2304 // So we have to ensure to only update the last item when it had been our own post,
2305 // or it had been done by a "regular" contact.
2306 if (!empty($arr['wall'])) {
2307 $condition = ['id' => $arr['contact-id']];
2309 $condition = ['id' => $arr['contact-id'], 'self' => false];
2311 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2313 // Now do the same for the system wide contacts with uid=0
2314 if ($arr['private'] != self::PRIVATE) {
2316 ['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2317 ['id' => $arr['owner-id']]
2320 if ($arr['owner-id'] != $arr['author-id']) {
2322 ['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2323 ['id' => $arr['author-id']]
2329 public static function setHashtags(string $body): string
2331 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
2332 $tags = BBCode::getTags($body);
2335 if (!count($tags)) {
2339 // This sorting is important when there are hashtags that are part of other hashtags
2340 // Otherwise there could be problems with hashtags like #test and #test2
2341 // Because of this we are sorting from the longest to the shortest tag.
2342 usort($tags, function ($a, $b) {
2343 return strlen($b) <=> strlen($a);
2346 $URLSearchString = "^\[\]";
2348 // All hashtags should point to the home server if "local_tags" is activated
2349 if (DI::config()->get('system', 'local_tags')) {
2350 $body = preg_replace(
2351 "/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2352 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]",
2357 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2358 $body = preg_replace_callback(
2359 "/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2361 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2366 $body = preg_replace_callback(
2367 "/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2369 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2374 $body = preg_replace_callback(
2375 "/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
2377 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2382 // Repair recursive urls
2383 $body = preg_replace(
2384 "/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2389 foreach ($tags as $tag) {
2390 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2394 $basetag = str_replace('_', ' ', substr($tag, 1));
2395 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2397 $body = str_replace($tag, $newtag, $body);
2400 // Convert back the masked hashtags
2401 $body = str_replace("#", "#", $body);
2410 * look for mention tags and setup a second delivery chain for group/community posts if appropriate
2413 * @param int $item_id
2414 * @return boolean true if item was deleted, else false
2415 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2416 * @throws \ImagickException
2418 private static function tagDeliver(int $uid, int $item_id): bool
2420 $owner = User::getOwnerDataById($uid);
2421 if (!DBA::isResult($owner)) {
2422 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2426 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2427 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2431 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [self::GRAVITY_PARENT, self::GRAVITY_COMMENT], 'origin' => false]);
2432 if (!DBA::isResult($item)) {
2433 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2437 if ($item['gravity'] == self::GRAVITY_PARENT) {
2438 if (Tag::isMentioned($item['uri-id'], $owner['url'])) {
2439 Logger::info('Mention found in tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2441 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2442 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2446 $arr = ['item' => $item, 'user' => $owner];
2448 Hook::callAll('tagged', $arr);
2450 if (Tag::isMentioned($item['parent-uri-id'], $owner['url'])) {
2451 Logger::info('Mention found in parent tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2453 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2458 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2460 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2462 $allow_gid = '<' . Circle::FOLLOWERS . '>';
2465 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2467 self::performActivity($item['id'], 'announce', $uid);
2470 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2475 * Automatically reshare the item if the "remote_self" option is selected
2477 * @param array $item
2480 private static function autoReshare(array $item)
2482 if ($item['gravity'] != self::GRAVITY_PARENT) {
2486 $cdata = Contact::getPublicAndUserContactID($item['author-id'], $item['uid']);
2487 if (empty($cdata['user']) || ($cdata['user'] != $item['contact-id'])) {
2491 if (!DBA::exists('contact', ['id' => $cdata['user'], 'remote_self' => LocalRelationship::MIRROR_NATIVE_RESHARE])) {
2495 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2499 if (User::getById($item['uid'], ['blocked'])['blocked'] ?? false) {
2503 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2505 self::performActivity($item['id'], 'announce', $item['uid']);
2508 public static function isRemoteSelf(array $contact, array &$datarray): bool
2510 if ($contact['remote_self'] != LocalRelationship::MIRROR_OWN_POST) {
2514 // Prevent the forwarding of posts that are forwarded
2515 if (!empty($datarray['extid']) && ($datarray['extid'] == Protocol::DFRN)) {
2516 Logger::info('Already forwarded');
2520 // Prevent to forward already forwarded posts
2521 if ($datarray['app'] == DI::baseUrl()->getHost()) {
2522 Logger::info('Already forwarded (second test)');
2526 // Only forward posts
2527 if ($datarray['verb'] != Activity::POST) {
2528 Logger::info('No post');
2532 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2533 Logger::info('Not public');
2537 if (User::getById($contact['uid'], ['blocked'])['blocked'] ?? false) {
2538 Logger::info('User is blocked', ['contact' => $contact]);
2542 $datarray2 = $datarray;
2543 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self' => $contact['remote_self'], 'item' => $datarray]);
2545 $self = DBA::selectFirst(
2547 ['id', 'name', 'url', 'thumb'],
2548 ['uid' => $contact['uid'], 'self' => true]
2550 if (!DBA::isResult($self)) {
2551 Logger::error('Self contact not found', ['uid' => $contact['uid']]);
2555 $datarray['contact-id'] = $self['id'];
2557 $datarray['author-name'] = $datarray['owner-name'] = $self['name'];
2558 $datarray['author-link'] = $datarray['owner-link'] = $self['url'];
2559 $datarray['author-avatar'] = $datarray['owner-avatar'] = $self['thumb'];
2561 unset($datarray['edited']);
2563 unset($datarray['network']);
2564 unset($datarray['owner-id']);
2565 unset($datarray['author-id']);
2567 if ($contact['network'] != Protocol::FEED) {
2568 $old_uri_id = $datarray['uri-id'] ?? 0;
2569 $datarray['guid'] = System::createUUID();
2570 unset($datarray['plink']);
2571 $datarray['uri'] = self::newURI($datarray['guid']);
2572 $datarray['uri-id'] = ItemURI::getIdByURI($datarray['uri']);
2573 $datarray['extid'] = Protocol::DFRN;
2574 $urlpart = parse_url($datarray2['author-link']);
2575 $datarray['app'] = $urlpart['host'];
2576 if (!empty($old_uri_id)) {
2577 Post\Media::copy($old_uri_id, $datarray['uri-id']);
2580 unset($datarray['parent-uri']);
2581 unset($datarray['thr-parent']);
2583 // Store the original post
2584 $result = self::insert($datarray2);
2585 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result' => $result, 'item' => $datarray2]);
2587 $datarray['app'] = 'Feed';
2592 unset($datarray['private']);
2595 return (bool)$result;
2602 * @param array $item
2605 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2606 * @throws \ImagickException
2608 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2610 if (DI::config()->get('system', 'disable_embedded')) {
2614 Logger::info('check for photos');
2615 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2620 $img_start = strpos($orig_body, '[img');
2621 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2622 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2624 while (($img_st_close !== false) && ($img_len !== false)) {
2625 $img_st_close++; // make it point to AFTER the closing bracket
2626 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2628 Logger::info('found photo', ['image' => $image]);
2630 if (stristr($image, $site . '/photo/')) {
2631 // Only embed locally hosted photos
2633 $i = basename($image);
2634 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2635 $x = strpos($i, '-');
2638 $res = substr($i, $x + 1);
2639 $i = substr($i, 0, $x);
2640 $photo = Photo::getPhotoForUser($uid, $i, $res);
2641 if (DBA::isResult($photo)) {
2643 * Check to see if we should replace this photo link with an embedded image
2644 * 1. No need to do so if the photo is public
2645 * 2. If there's a contact-id provided, see if they're in the access list
2646 * for the photo. If so, embed it.
2647 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2648 * permissions, regardless of order but first check to see if they're an exact
2649 * match to save some processing overhead.
2651 if (self::hasPermissions($photo)) {
2653 $recips = self::enumeratePermissions($photo);
2654 if (in_array($cid, $recips)) {
2658 if (self::samePermissions($uid, $item, $photo)) {
2664 $photo_img = Photo::getImageForPhoto($photo);
2665 // If a custom width and height were specified, apply before embedding
2666 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2667 Logger::info('scaling photo');
2669 $width = intval($match[1]);
2670 $height = intval($match[2]);
2672 $photo_img->scaleDown(max($width, $height));
2675 $data = $photo_img->asString();
2676 $type = $photo_img->getType();
2678 Logger::info('replacing photo');
2679 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2680 Logger::debug('replaced', ['image' => $image]);
2686 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2687 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2688 if ($orig_body === false) {
2692 $img_start = strpos($orig_body, '[img');
2693 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2694 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2697 $new_body = $new_body . $orig_body;
2702 private static function hasPermissions(array $obj)
2704 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2705 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2708 // @TODO $uid is unused parameter
2709 private static function samePermissions($uid, array $obj1, array $obj2): bool
2711 // first part is easy. Check that these are exactly the same.
2712 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2713 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2714 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2715 && ($obj1['deny_gid'] == $obj2['deny_gid'])
2720 // This is harder. Parse all the permissions and compare the resulting set.
2721 $recipients1 = self::enumeratePermissions($obj1);
2722 $recipients2 = self::enumeratePermissions($obj2);
2726 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2727 return ($recipients1 == $recipients2);
2731 * Returns an array of contact-ids that are allowed to see this object
2733 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2734 * @param bool $check_dead Prunes unavailable contacts from the result
2735 * @param bool $expand_followers Expand the list of followers
2737 * @throws \Exception
2739 public static function enumeratePermissions(array $obj, bool $check_dead = false, bool $expand_followers = true): array
2741 $aclFormatter = DI::aclFormatter();
2743 if (!$expand_followers && (!empty($obj['deny_cid']) || !empty($obj['deny_gid']))) {
2744 $expand_followers = true;
2747 $allow_people = $aclFormatter->expand($obj['allow_cid']);
2748 $allow_circles = Circle::expand($obj['uid'], $aclFormatter->expand($obj['allow_gid']), $check_dead, $expand_followers);
2749 $deny_people = $aclFormatter->expand($obj['deny_cid']);
2750 $deny_circles = Circle::expand($obj['uid'], $aclFormatter->expand($obj['deny_gid']), $check_dead);
2751 $recipients = array_unique(array_merge($allow_people, $allow_circles));
2752 $deny = array_unique(array_merge($deny_people, $deny_circles));
2753 $recipients = array_diff($recipients, $deny);
2757 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2759 if (!$uid || ($days < 1)) {
2764 "`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2765 $uid, self::GRAVITY_PARENT
2769 * $expire_network_only = save your own wall posts
2770 * and just expire conversations started by others
2772 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2774 if ($expire_network_only) {
2775 $condition[0] .= " AND NOT `wall`";
2778 if ($network != "") {
2779 $condition[0] .= " AND `network` = ?";
2780 $condition[] = $network;
2783 $condition[0] .= " AND `received` < ?";
2784 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2786 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2788 if (!DBA::isResult($items)) {
2792 $expire_items = (bool)DI::pConfig()->get($uid, 'expire', 'items', true);
2794 // Forcing expiring of items - but not notes and marked items
2796 $expire_items = true;
2799 $expire_notes = (bool)DI::pConfig()->get($uid, 'expire', 'notes', true);
2800 $expire_starred = (bool)DI::pConfig()->get($uid, 'expire', 'starred', true);
2801 $expire_photos = (bool)DI::pConfig()->get($uid, 'expire', 'photos', false);
2805 $priority = DI::config()->get('system', 'expire-notify-priority');
2807 while ($item = Post::fetch($items)) {
2808 // don't expire filed items
2809 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2813 // Only expire posts, not photos and photo comments
2815 if (!$expire_photos && !empty($item['resource-id'])) {
2817 } elseif (!$expire_starred && intval($item['starred'])) {
2819 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2821 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2825 self::markForDeletionById($item['id'], $priority);
2830 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]);
2833 public static function firstPostDate(int $uid, bool $wall = false)
2835 $user = User::getById($uid, ['register_date']);
2841 "`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2842 $uid, $wall, $user['register_date']
2844 $params = ['order' => ['received' => false]];
2845 $thread = Post::selectFirstThread(['received'], $condition, $params);
2846 if (DBA::isResult($thread)) {
2847 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2854 * add/remove activity to an item
2856 * Toggle activities as like,dislike,attend of an item
2858 * @param int $item_id
2859 * @param string $verb
2860 * Activity verb. One of
2861 * like, unlike, dislike, undislike, attendyes, unattendyes,
2862 * attendno, unattendno, attendmaybe, unattendmaybe,
2863 * announce, unannounce
2865 * @param string $allow_cid
2866 * @param string $allow_gid
2867 * @param string $deny_cid
2868 * @param string $deny_gid
2870 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2871 * @throws \ImagickException
2872 * @hook 'post_local_end'
2874 * 'post_id' => ID of posted item
2876 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
2882 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2884 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2885 if (!DBA::isResult($item)) {
2886 Logger::warning('Post had not been fetched', ['id' => $item_id]);
2890 $uri_id = $item['uri-id'];
2892 if (!in_array($item['uid'], [0, $uid])) {
2896 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2897 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid, ['post-reason' => Item::PR_ACTIVITY]);
2898 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2899 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2900 if (!DBA::isResult($item)) {
2901 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2907 // Retrieves the local post owner
2908 $owner = User::getOwnerDataById($uid);
2909 if (empty($owner)) {
2910 Logger::info('Empty owner for user', ['uid' => $uid]);
2914 // Retrieve the current logged in user's public contact
2915 $author_id = Contact::getPublicIdByUserId($uid);
2916 if (empty($author_id)) {
2917 Logger::info('Empty public contact');
2925 $activity = Activity::LIKE;
2929 $activity = Activity::DISLIKE;
2933 $activity = Activity::ATTEND;
2937 $activity = Activity::ATTENDNO;
2940 case 'unattendmaybe':
2941 $activity = Activity::ATTENDMAYBE;
2945 $activity = Activity::FOLLOW;
2949 $activity = Activity::ANNOUNCE;
2952 Logger::warning('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2956 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2958 // Enable activity toggling instead of on/off
2959 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2961 // Look for an existing verb row
2962 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2963 if ($event_verb_flag) {
2964 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2966 // Translate to the index based activity index
2968 foreach ($verbs as $verb) {
2969 $vids[] = Verb::getID($verb);
2972 $vids = Verb::getID($activity);
2976 'vid' => $vids, 'deleted' => false, 'gravity' => self::GRAVITY_ACTIVITY,
2977 'author-id' => $author_id, 'uid' => $uid, 'thr-parent-id' => $uri_id
2979 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2981 if (DBA::isResult($like_item)) {
2983 * Truth table for existing activities
2985 * | Inputs || Outputs |
2986 * |----------------------------||-------------------|
2987 * | Mode | Event | Same verb || Delete? | Return? |
2988 * |--------|-------|-----------||---------|---------|
2989 * | create | Yes | Yes || No | Yes |
2990 * | create | Yes | No || Yes | No |
2991 * | create | No | Yes || No | Yes |
2992 * | create | No | No || N/A†|
2993 * | delete | Yes | Yes || Yes | N/A‡ |
2994 * | delete | Yes | No || No | N/A‡ |
2995 * | delete | No | Yes || Yes | N/A‡ |
2996 * | delete | No | No || N/A†|
2997 * |--------|-------|-----------||---------|---------|
2998 * | A | B | C || A xor C | !B or C |
3000 * †Can't happen: It's impossible to find an existing non-event activity without
3001 * the same verb because we are only looking for this single verb.
3003 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3005 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3006 self::markForDeletionById($like_item['id']);
3009 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3014 // No need to go further if we aren't creating anything
3015 if ($mode == 'delete') {
3019 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3022 'guid' => System::createUUID(),
3023 'uri' => self::newURI(),
3025 'contact-id' => $owner['id'],
3026 'wall' => $item['wall'],
3028 'network' => Protocol::DFRN,
3029 'protocol' => Conversation::PARCEL_DIRECT,
3030 'direction' => Conversation::PUSH,
3031 'gravity' => self::GRAVITY_ACTIVITY,
3032 'parent' => $item['id'],
3033 'thr-parent' => $item['uri'],
3034 'owner-id' => $author_id,
3035 'author-id' => $author_id,
3036 'body' => $activity,
3037 'verb' => $activity,
3038 'object-type' => $objtype,
3039 'allow_cid' => $allow_cid ?? $item['allow_cid'],
3040 'allow_gid' => $allow_gid ?? $item['allow_gid'],
3041 'deny_cid' => $deny_cid ?? $item['deny_cid'],
3042 'deny_gid' => $deny_gid ?? $item['deny_gid'],
3047 if (in_array($activity, [Activity::LIKE, Activity::DISLIKE])) {
3048 $signed = Diaspora::createLikeSignature($uid, $new_item);
3049 if (!empty($signed)) {
3050 $new_item['diaspora_signed_text'] = json_encode($signed);
3054 self::insert($new_item, true);
3056 // If the parent item isn't visible then set it to visible
3057 // @todo Check if this is still needed
3058 if (!$item['visible']) {
3059 self::update(['visible' => true], ['id' => $item['id']]);
3065 * Fetch the SQL condition for the given user id
3067 * @param integer $owner_id User ID for which the permissions should be fetched
3068 * @return array condition
3070 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
3072 $local_user = DI::userSession()->getLocalUserId();
3073 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
3075 // default permissions - anonymous user
3076 $condition = ["`private` != ?", self::PRIVATE];
3078 if ($local_user && ($local_user == $owner_id)) {
3079 // Profile owner - everything is visible
3081 } elseif ($remote_user) {
3082 // Authenticated visitor - fetch the matching permissionsets
3083 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
3086 "(`private` != ? OR (`private` = ? AND `wall`
3087 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
3088 self::PRIVATE, self::PRIVATE
3090 $condition = array_merge($condition, $permissionSets->column('id'));
3098 * Get a permission SQL string for the given user
3100 * @param int $owner_id
3101 * @param string $table
3104 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
3106 $local_user = DI::userSession()->getLocalUserId();
3107 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
3109 if (!empty($table)) {
3110 $table = DBA::quoteIdentifier($table) . '.';
3114 * Construct permissions
3116 * default permissions - anonymous user
3118 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
3120 // Profile owner - everything is visible
3121 if ($local_user && ($local_user == $owner_id)) {
3123 } elseif ($remote_user) {
3125 * Authenticated visitor. Unless pre-verified,
3126 * check that the contact belongs to this $owner_id
3127 * and load the circles the visitor belongs to.
3128 * If pre-verified, the caller is expected to have already
3129 * done this and passed the circles into this function.
3131 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
3134 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
3139 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
3146 * get translated item type
3148 * @param array $item
3149 * @param \Friendica\Core\L10n $l10n
3152 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
3154 if (!empty($item['event-id'])) {
3155 return $l10n->t('event');
3156 } elseif (!empty($item['resource-id'])) {
3157 return $l10n->t('photo');
3158 } elseif ($item['gravity'] == self::GRAVITY_ACTIVITY) {
3159 return $l10n->t('activity');
3160 } elseif ($item['gravity'] == self::GRAVITY_COMMENT) {
3161 return $l10n->t('comment');
3164 return $l10n->t('post');
3168 * Sets the "rendered-html" field of the provided item
3170 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3172 * @param array $item
3174 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3175 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3177 private static function putInCache(&$item)
3179 // Save original body to prevent addons to modify it
3180 $body = $item['body'];
3182 $rendered_hash = $item['rendered-hash'] ?? '';
3183 $rendered_html = $item['rendered-html'] ?? '';
3186 $rendered_hash == ''
3187 || $rendered_html == ''
3188 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
3189 || DI::config()->get('system', 'ignore_cache')
3191 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
3192 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
3194 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3195 Hook::callAll('put_item_in_cache', $hook_data);
3196 $item['rendered-html'] = $hook_data['rendered-html'];
3197 $item['rendered-hash'] = $hook_data['rendered-hash'];
3200 // Update if the generated values differ from the existing ones
3201 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
3204 'rendered-html' => $item['rendered-html'],
3205 'rendered-hash' => $item['rendered-hash']
3207 ['id' => $item['id']]
3212 $item['body'] = $body;
3216 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3217 * If attach is true, also add icons for item attachments.
3219 * @param array $item Record from item table
3220 * @param boolean $attach If true, add icons for item attachments as well
3221 * @param boolean $is_preview Whether this is a preview
3222 * @param boolean $only_cache Whether only cached HTML should be updated
3223 * @return string item body html
3224 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3225 * @throws \ImagickException
3226 * @hook prepare_body_init item array before any work
3227 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3228 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3229 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3231 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
3234 Hook::callAll('prepare_body_init', $item);
3237 // In order to provide theme developers more possibilities, event items
3238 // are treated differently.
3239 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3240 $ev = Event::getItemHTML($item);
3244 $tags = Tag::populateFromItem($item);
3246 $item['tags'] = $tags['tags'];
3247 $item['hashtags'] = $tags['hashtags'];
3248 $item['mentions'] = $tags['mentions'];
3251 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3252 $item['body'] = Post\Media::removeFromEndOfBody($item['body'] ?? '');
3253 $item['body'] = Post\Media::replaceImage($item['body']);
3256 $body = $item['body'];
3258 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3261 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network', 'has-media', 'quote-uri-id', 'post-type'];
3265 $quote_shared_links = [];
3267 $shared = DI::contentItem()->getSharedPost($item, $fields);
3268 if (!empty($shared['post'])) {
3269 $shared_item = $shared['post'];
3270 $shared_item['body'] = Post\Media::removeFromEndOfBody($shared_item['body']);
3271 $shared_item['body'] = Post\Media::replaceImage($shared_item['body']);
3272 $quote_uri_id = $shared['post']['uri-id'];
3273 $shared_links[] = strtolower($shared['post']['uri']);
3274 $item['body'] = BBCode::removeSharedData($item['body']);
3275 } elseif (empty($shared_item['uri-id']) && empty($item['quote-uri-id']) && ($item['network'] != Protocol::DIASPORA)) {
3276 $media = Post\Media::getByURIId($item['uri-id'], [Post\Media::ACTIVITY]);
3277 if (!empty($media) && ($media[0]['media-uri-id'] != $item['uri-id'])) {
3278 $shared_item = Post::selectFirst($fields, ['uri-id' => $media[0]['media-uri-id'], 'uid' => [$item['uid'], 0]]);
3279 if (empty($shared_item['uri-id'])) {
3280 $shared_item = Post::selectFirst($fields, ['plink' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3281 } elseif (!in_array(strtolower($media[0]['url']), $shared_links)) {
3282 $shared_links[] = strtolower($media[0]['url']);
3285 if (empty($shared_item['uri-id'])) {
3286 $shared_item = Post::selectFirst($fields, ['uri' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3287 $shared_links[] = strtolower($media[0]['url']);
3290 if (!empty($shared_item['uri-id'])) {
3291 $data = BBCode::getAttachmentData($shared_item['body']);
3292 if (!empty($data['url'])) {
3293 $quote_shared_links[] = $data['url'];
3296 $quote_uri_id = $shared_item['uri-id'];
3301 if (!empty($quote_uri_id)) {
3302 if (isset($shared_item['plink'])) {
3303 $item['body'] .= "\n" . DI::contentItem()->createSharedBlockByArray($shared_item, false, true);
3305 DI::logger()->warning('Missing plink in shared item', ['item' => $item, 'shared' => $shared, 'quote_uri_id' => $quote_uri_id, 'shared_item' => $shared_item]);
3309 if (!empty($shared_item['uri-id'])) {
3310 $shared_uri_id = $shared_item['uri-id'];
3311 $shared_links[] = strtolower($shared_item['plink']);
3312 $sharedSplitAttachments = DI::postMediaRepository()->splitAttachments($shared_uri_id, [], $shared_item['has-media']);
3313 $shared_links = array_merge($shared_links, $sharedSplitAttachments['visual']->column('url'));
3314 $shared_links = array_merge($shared_links, $sharedSplitAttachments['link']->column('url'));
3315 $shared_links = array_merge($shared_links, $sharedSplitAttachments['additional']->column('url'));
3316 $item['body'] = self::replaceVisualAttachments($sharedSplitAttachments['visual'], $item['body']);
3319 $itemSplitAttachments = DI::postMediaRepository()->splitAttachments($item['uri-id'], $shared_links, $item['has-media'] ?? false);
3320 $item['body'] = self::replaceVisualAttachments($itemSplitAttachments['visual'], $item['body'] ?? '');
3322 self::putInCache($item);
3323 $item['body'] = $body;
3324 $s = $item["rendered-html"];
3330 // Compile eventual content filter reasons
3331 $filter_reasons = [];
3332 if (!$is_preview && DI::userSession()->getPublicContactId() != $item['author-id']) {
3333 if (!empty($item['user-blocked-author']) || !empty($item['user-blocked-owner'])) {
3334 $filter_reasons[] = DI::l10n()->t('%s is blocked', $item['author-name']);
3335 } elseif (!empty($item['user-ignored-author']) || !empty($item['user-ignored-owner'])) {
3336 $filter_reasons[] = DI::l10n()->t('%s is ignored', $item['author-name']);
3337 } elseif (!empty($item['user-collapsed-author']) || !empty($item['user-collapsed-owner'])) {
3338 $filter_reasons[] = DI::l10n()->t('Content from %s is collapsed', $item['author-name']);
3341 if (!empty($item['content-warning']) && (!DI::userSession()->getLocalUserId() || !DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'disable_cw', false))) {
3342 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3345 $item['attachments'] = $itemSplitAttachments;
3349 'filter_reasons' => $filter_reasons
3351 Hook::callAll('prepare_body_content_filter', $hook_data);
3352 $filter_reasons = $hook_data['filter_reasons'];
3359 'preview' => $is_preview,
3360 'filter_reasons' => $filter_reasons
3362 Hook::callAll('prepare_body', $hook_data);
3363 $s = $hook_data['html'];
3368 // Replace the blockquotes with quotes that are used in mails.
3369 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3370 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3374 if (!empty($sharedSplitAttachments)) {
3375 $s = self::addGallery($s, $sharedSplitAttachments['visual']);
3376 $s = self::addVisualAttachments($sharedSplitAttachments['visual'], $shared_item, $s, true);
3377 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $sharedSplitAttachments, $body, $s, true, $quote_shared_links);
3378 $s = self::addNonVisualAttachments($sharedSplitAttachments['additional'], $item, $s, true);
3379 $body = BBCode::removeSharedData($body);
3382 $pos = strpos($s, BBCode::SHARED_ANCHOR);
3384 $shared_html = substr($s, $pos + strlen(BBCode::SHARED_ANCHOR));
3385 $s = substr($s, 0, $pos);
3388 $s = self::addGallery($s, $itemSplitAttachments['visual']);
3389 $s = self::addVisualAttachments($itemSplitAttachments['visual'], $item, $s, false);
3390 $s = self::addLinkAttachment($item['uri-id'], $itemSplitAttachments, $body, $s, false, $shared_links);
3391 $s = self::addNonVisualAttachments($itemSplitAttachments['additional'], $item, $s, false);
3392 $s = self::addQuestions($item, $s);
3395 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3396 $x = Map::byCoordinates(trim($item['coord']));
3398 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3402 // Replace friendica image url size with theme preference.
3403 if (!empty($a->getThemeInfoValue('item_image_size'))) {
3404 $ps = $a->getThemeInfoValue('item_image_size');
3405 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3408 if (!empty($shared_html)) {
3412 $s = HTML::applyContentFilter($s, $filter_reasons);
3414 $hook_data = ['item' => $item, 'html' => $s];
3415 Hook::callAll('prepare_body_final', $hook_data);
3416 return $hook_data['html'];
3420 * Modify links to pictures to links for the "Fancybox" gallery
3423 * @param PostMedias $PostMedias
3426 private static function addGallery(string $s, PostMedias $PostMedias): string
3428 foreach ($PostMedias as $PostMedia) {
3429 if (!$PostMedia->preview || ($PostMedia->type !== Post\Media::IMAGE)) {
3433 if ($PostMedia->hasDimensions()) {
3434 $pattern = '#<a href="' . preg_quote($PostMedia->url) . '">(.*?)"></a>#';
3436 $s = preg_replace_callback($pattern, function () use ($PostMedia) {
3437 return Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image/single_with_height_allocation.tpl'), [
3438 '$image' => $PostMedia,
3439 '$allocated_height' => $PostMedia->getAllocatedHeight(),
3440 '$allocated_max_width' => ($PostMedia->previewWidth ?? $PostMedia->width) . 'px',
3444 $s = str_replace('<a href="' . $PostMedia->url . '"', '<a data-fancybox="uri-id-' . $PostMedia->uriId . '" href="' . $PostMedia->url . '"', $s);
3452 * Check if the body contains a link
3454 * @param string $body
3455 * @param string $url
3459 public static function containsLink(string $body, string $url, int $type = 0): bool
3461 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
3462 $urlparts = parse_url($url);
3463 if (empty($urlparts)) {
3467 unset($urlparts['query']);
3468 unset($urlparts['fragment']);
3471 $url = (string)Uri::fromParts((array)$urlparts);
3472 } catch (\InvalidArgumentException $e) {
3473 DI::logger()->notice('Invalid URL', ['$url' => $url, '$urlparts' => $urlparts]);
3474 /* See https://github.com/friendica/friendica/issues/12113
3475 * Malformed URLs will result in a Fatal Error
3480 // Remove media links to only search in embedded content
3481 // @todo Check images for image link, audio for audio links, ...
3482 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
3483 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
3486 if (strpos($body, $url)) {
3490 foreach ([0, 1, 2] as $size) {
3492 preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
3493 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)
3503 * Replace visual attachments in the body
3505 * @param PostMedias $PostMedias
3506 * @param string $body
3507 * @return string modified body
3509 private static function replaceVisualAttachments(PostMedias $PostMedias, string $body): string
3511 DI::profiler()->startRecording('rendering');
3513 foreach ($PostMedias as $PostMedia) {
3514 if ($PostMedia->preview) {
3515 if (DI::baseUrl()->isLocalUri($PostMedia->preview)) {
3518 $proxy = DI::baseUrl() . $PostMedia->getPreviewPath(Proxy::SIZE_LARGE);
3519 $search = ['[img=' . $PostMedia->preview . ']', ']' . $PostMedia->preview . '[/img]'];
3520 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3522 $body = str_replace($search, $replace, $body);
3523 } elseif ($PostMedia->mimetype->type == 'image') {
3524 if (DI::baseUrl()->isLocalUri($PostMedia->url)) {
3527 $proxy = DI::baseUrl() . $PostMedia->getPreviewPath(Proxy::SIZE_LARGE);
3528 $search = ['[img=' . $PostMedia->url . ']', ']' . $PostMedia->url . '[/img]'];
3529 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3531 $body = str_replace($search, $replace, $body);
3534 DI::profiler()->stopRecording();
3539 * Add visual attachments to the content
3541 * @param PostMedias $PostMedias
3542 * @param array $item
3543 * @param string $content
3544 * @param bool $shared
3545 * @return string modified content
3546 * @throws ServiceUnavailableException
3548 private static function addVisualAttachments(PostMedias $PostMedias, array $item, string $content, bool $shared): string
3550 DI::profiler()->startRecording('rendering');
3553 $images = new PostMedias();
3555 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
3556 foreach ($PostMedias as $PostMedia) {
3557 if (self::containsLink($item['body'], $PostMedia->preview ?? $PostMedia->url, $PostMedia->type)) {
3561 if ($PostMedia->mimetype->type == 'image' || $PostMedia->preview) {
3562 $preview_size = Proxy::SIZE_MEDIUM;
3563 $preview_url = DI::baseUrl() . $PostMedia->getPreviewPath($preview_size);
3569 if ($preview_url && self::containsLink($item['body'], $preview_url)) {
3573 if ($PostMedia->mimetype->type == 'video') {
3574 /// @todo Move the template to /content as well
3575 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3577 'id' => $PostMedia->id,
3578 'src' => (string)$PostMedia->url,
3579 'name' => $PostMedia->name ?: $PostMedia->url,
3580 'preview' => $preview_url,
3581 'mime' => (string)$PostMedia->mimetype,
3584 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3587 $trailing .= $media;
3589 } elseif ($PostMedia->mimetype->type == 'audio') {
3590 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3592 'id' => $PostMedia->id,
3593 'src' => (string)$PostMedia->url,
3594 'name' => $PostMedia->name ?: $PostMedia->url,
3595 'mime' => (string)$PostMedia->mimetype,
3598 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3601 $trailing .= $media;
3603 } elseif ($PostMedia->mimetype->type == 'image') {
3604 $src_url = DI::baseUrl() . $PostMedia->getPhotoPath();
3605 if (self::containsLink($item['body'], $src_url)) {
3609 $images[] = $PostMedia->withUrl(new Uri($src_url))->withPreview(new Uri($preview_url), $preview_size);
3613 $media = Image::getBodyAttachHtml($images);
3615 // On Diaspora posts the attached pictures are leading
3616 if ($item['network'] == Protocol::DIASPORA) {
3619 $trailing .= $media;
3623 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '</div>' . BBCode::TOP_ANCHOR, $content);
3624 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '</div>' . BBCode::BOTTOM_ANCHOR, $content);
3626 if ($leading != '') {
3627 $content = '<div class="body-attach">' . $leading . '</div>' . $content;
3630 if ($trailing != '') {
3631 $content .= '<div class="body-attach">' . $trailing . '</div>';
3635 DI::profiler()->stopRecording();
3640 * Add link attachment to the content
3643 * @param PostMedias[] $attachments
3644 * @param string $body
3645 * @param string $content
3646 * @param bool $shared
3647 * @param array $ignore_links A list of URLs to ignore
3648 * @return string modified content
3649 * @throws InternalServerErrorException
3650 * @throws ServiceUnavailableException
3652 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3654 DI::profiler()->startRecording('rendering');
3655 // Don't show a preview when there is a visual attachment (audio or video)
3656 $types = $attachments['visual']->column('type');
3657 $preview = !in_array(PostMedia::TYPE_IMAGE, $types) && !in_array(PostMedia::TYPE_VIDEO, $types);
3659 /** @var ?PostMedia $attachment */
3661 foreach ($attachments['link'] as $PostMedia) {
3663 foreach ($ignore_links as $ignore_link) {
3664 if (Strings::compareLink($PostMedia->url, $ignore_link)) {
3668 // @todo Judge between the links to use the one with most information
3669 if (!$found && (empty($attachment) || $PostMedia->authorName ||
3670 (!$attachment->name && $PostMedia->name) ||
3671 (!$attachment->description && $PostMedia->description) ||
3672 (!$attachment->preview && $PostMedia->preview))) {
3673 $attachment = $PostMedia;
3677 if (!empty($attachment)) {
3680 'author_name' => $attachment->authorName ?? '',
3681 'author_url' => (string)($attachment->authorUrl ?? ''),
3682 'description' => $attachment->description ?? '',
3685 'provider_name' => $attachment->publisherName ?? '',
3686 'provider_url' => (string)($attachment->publisherUrl ?? ''),
3688 'title' => $attachment->name ?? '',
3690 'url' => (string)$attachment->url,
3693 if ($preview && $attachment->preview) {
3694 if ($attachment->previewWidth >= 500) {
3695 $data['image'] = DI::baseUrl() . $attachment->getPreviewPath(Proxy::SIZE_MEDIUM);
3697 $data['preview'] = DI::baseUrl() . $attachment->getPreviewPath(Proxy::SIZE_MEDIUM);
3701 if (!empty($data['description']) && !empty($content)) {
3702 similar_text($data['description'], $content, $percent);
3707 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3708 $data['description'] = '';
3711 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3712 $data['author_name'] = '';
3715 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3716 $data['author_url'] = '';
3718 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3719 $data = BBCode::getAttachmentData($match[1]);
3721 DI::profiler()->stopRecording();
3723 if (isset($data['url']) && !in_array(strtolower($data['url']), $ignore_links)) {
3724 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview']) || (!empty($data['title']) && !Strings::compareLink($data['title'], $data['url']))) {
3725 $parts = parse_url($data['url']);
3726 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3727 if (empty($data['provider_name'])) {
3728 $data['provider_name'] = $parts['host'];
3730 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3731 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3733 if (!empty($parts['port'])) {
3734 $data['provider_url'] .= ':' . $parts['port'];
3739 // @todo Use a template
3740 $preview_mode = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'preview_mode', BBCode::PREVIEW_LARGE);
3741 if ($preview_mode != BBCode::PREVIEW_NONE) {
3742 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid, $preview_mode);
3746 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3747 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3748 '$url' => $data['url'],
3749 '$title' => $data['title'],
3756 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3758 return $content . $rendered;
3765 * Add non-visual attachments to the content
3767 * @param PostMedias $PostMedias
3768 * @param array $item
3769 * @param string $content
3770 * @return string modified content
3771 * @throws InternalServerErrorException
3772 * @throws \ImagickException
3774 private static function addNonVisualAttachments(PostMedias $PostMedias, array $item, string $content): string
3776 DI::profiler()->startRecording('rendering');
3778 foreach ($PostMedias as $PostMedia) {
3779 if (strpos($item['body'], (string)$PostMedia->url)) {
3785 'id' => $item['author-id'],
3786 'network' => $item['author-network'],
3787 'url' => $item['author-link'],
3788 'alias' => $item['author-alias']
3790 $the_url = Contact::magicLinkByContact($author, $PostMedia->url);
3792 $title = Strings::escapeHtml(trim($PostMedia->description ?? '' ?: $PostMedia->url));
3794 if ($PostMedia->size) {
3795 $title .= ' ' . $PostMedia->size . ' ' . DI::l10n()->t('bytes');
3798 /// @todo Use a template
3799 $icon = '<div class="attachtype icon s22 type-' . $PostMedia->mimetype->type . ' subtype-' . $PostMedia->mimetype->subtype . '"></div>';
3800 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3803 if ($trailing != '') {
3804 $content .= '<div class="body-attach">' . $trailing . '</div>';
3807 DI::profiler()->stopRecording();
3811 private static function addQuestions(array $item, string $content): string
3813 DI::profiler()->startRecording('rendering');
3814 if (!empty($item['question-id'])) {
3816 'id' => $item['question-id'],
3817 'multiple' => $item['question-multiple'],
3818 'voters' => $item['question-voters'],
3819 'endtime' => $item['question-end-time']
3822 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3823 foreach ($options as $key => $option) {
3824 if ($question['voters'] > 0) {
3825 $percent = $option['replies'] / $question['voters'] * 100;
3826 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%3$d%%, %1$d vote)', '%2$s (%3$d%%, %1$d votes)', $option['replies'] ?? 0, $option['name'], round($percent, 1));
3828 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%1$d vote)', '%2$s (%1$d votes)', $option['replies'] ?? 0, $option['name']);
3832 if (!empty($question['voters']) && !empty($question['endtime'])) {
3833 $summary = DI::l10n()->tt('%d voter. Poll end: %s', '%d voters. Poll end: %s', $question['voters'] ?? 0, Temporal::getRelativeDate($question['endtime']));
3834 } elseif (!empty($question['voters'])) {
3835 $summary = DI::l10n()->tt('%d voter.', '%d voters.', $question['voters'] ?? 0);
3836 } elseif (!empty($question['endtime'])) {
3837 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3842 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3843 '$question' => $question,
3844 '$options' => $options,
3845 '$summary' => $summary,
3848 DI::profiler()->stopRecording();
3853 * get private link for item
3855 * @param array $item
3856 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3857 * @throws \Exception
3859 public static function getPlink(array $item)
3861 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3862 $plink = $item['plink'];
3863 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3864 $plink = $item['uri'];
3867 if (DI::userSession()->getLocalUserId()) {
3869 'href' => "display/" . $item['guid'],
3870 'orig' => "display/" . $item['guid'],
3871 'title' => DI::l10n()->t('View on separate page'),
3872 'orig_title' => DI::l10n()->t('View on separate page'),
3875 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3878 'id' => $item['author-id'],
3879 'network' => $item['author-network'],
3880 'url' => $item['author-link'],
3881 'alias' => $item['author-alias'],
3883 $plink = Contact::magicLinkByContact($author, $plink);
3886 if (!empty($plink)) {
3887 $ret['href'] = DI::baseUrl()->remove($plink);
3888 $ret['title'] = DI::l10n()->t('Link to source');
3890 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3894 'title' => DI::l10n()->t('Link to source'),
3895 'orig_title' => DI::l10n()->t('Link to source'),
3905 * Does the given uri-id belongs to a post that is sent as starting post to a group?
3906 * This does apply to posts that are sent via ! and not in parallel to a group via @
3908 * @param int $uri_id
3910 * @return boolean "true" when it is a group post
3912 public static function isGroupPost(int $uri_id): bool
3914 if (Post::exists(['private' => Item::PUBLIC, 'uri-id' => $uri_id])) {
3918 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION, Tag::AUDIENCE]) as $tag) {
3919 // @todo Possibly check for a public audience in the future, see https://socialhub.activitypub.rocks/t/fep-1b12-group-federation/2724
3920 // and https://codeberg.org/fediverse/fep/src/branch/main/feps/fep-1b12.md
3921 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3929 * Search item id for given URI or plink
3931 * @param string $uri
3932 * @param integer $uid
3934 * @return integer item id
3936 public static function searchByLink(string $uri, int $uid = 0): int
3938 $ssl_uri = str_replace('http://', 'https://', $uri);
3939 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3941 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3942 if (DBA::isResult($item)) {
3946 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3947 if (DBA::isResult($item)) {
3955 * Return the URI for a link to the post
3957 * @param string $uri URI or link to post
3959 * @return string URI
3961 public static function getURIByLink(string $uri): string
3963 $ssl_uri = str_replace('http://', 'https://', $uri);
3964 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3966 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3967 if (DBA::isResult($item)) {
3968 return $item['uri'];
3971 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3972 if (DBA::isResult($item)) {
3973 return $item['uri'];
3980 * Fetches item for given URI or plink
3982 * @param string $uri
3984 * @param int $completion
3986 * @return integer item id
3988 public static function fetchByLink(string $uri, int $uid = 0, int $completion = ActivityPub\Receiver::COMPLETION_MANUAL): int
3990 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3991 $item_id = self::searchByLink($uri, $uid);
3992 if (!empty($item_id)) {
3993 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
4003 Hook::callAll('item_by_link', $hookData);
4005 if (isset($hookData['item_id'])) {
4006 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
4009 $fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri, [], '', $completion, $uid);
4012 $item_id = self::searchByLink($fetched_uri, $uid);
4014 $item_id = Diaspora::fetchByURL($uri);
4017 if (!empty($item_id)) {
4018 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
4022 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
4027 * Fetch the uri-id of a quote
4029 * @param string $body
4032 public static function getQuoteUriId(string $body, int $uid = 0): int
4034 $shared = BBCode::fetchShareAttributes($body);
4035 if (empty($shared['guid']) && empty($shared['message_id'])) {
4039 if (empty($shared['link']) && empty($shared['message_id'])) {
4040 Logger::notice('Invalid share block.', ['share' => $shared]);
4044 if (!empty($shared['guid'])) {
4045 $shared_item = Post::selectFirst(['uri-id'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
4046 if (!empty($shared_item['uri-id'])) {
4047 Logger::debug('Found post by guid', ['guid' => $shared['guid'], 'uid' => $uid]);
4048 return $shared_item['uri-id'];
4052 if (!empty($shared['message_id'])) {
4053 $shared_item = Post::selectFirst(['uri-id'], ['uri' => $shared['message_id'], 'uid' => [0, $uid]]);
4054 if (!empty($shared_item['uri-id'])) {
4055 Logger::debug('Found post by message_id', ['message_id' => $shared['message_id'], 'uid' => $uid]);
4056 return $shared_item['uri-id'];
4060 if (!empty($shared['link'])) {
4061 $shared_item = Post::selectFirst(['uri-id'], ['plink' => $shared['link'], 'uid' => [0, $uid]]);
4062 if (!empty($shared_item['uri-id'])) {
4063 Logger::debug('Found post by link', ['link' => $shared['link'], 'uid' => $uid]);
4064 return $shared_item['uri-id'];
4068 $url = $shared['message_id'] ?: $shared['link'];
4069 $id = self::fetchByLink($url, 0, ActivityPub\Receiver::COMPLETION_ASYNC);
4071 Logger::notice('Post could not be fetched.', ['url' => $url, 'uid' => $uid]);
4075 $shared_item = Post::selectFirst(['uri-id'], ['id' => $id]);
4076 if (!empty($shared_item['uri-id'])) {
4077 Logger::debug('Fetched shared post', ['id' => $id, 'url' => $url, 'uid' => $uid]);
4078 return $shared_item['uri-id'];
4081 Logger::warning('Post does not exist although it was supposed to had been fetched.', ['id' => $id, 'url' => $url, 'uid' => $uid]);