3 * @copyright Copyright (C) 2010-2022, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\System;
31 use Friendica\Model\Tag;
32 use Friendica\Core\Worker;
33 use Friendica\Database\DBA;
35 use Friendica\Protocol\Activity;
36 use Friendica\Protocol\ActivityPub;
37 use Friendica\Protocol\Diaspora;
38 use Friendica\Util\DateTimeFormat;
39 use Friendica\Util\Map;
40 use Friendica\Util\Network;
41 use Friendica\Util\Proxy;
42 use Friendica\Util\Strings;
43 use Friendica\Util\Temporal;
44 use Friendica\Worker\Delivery;
45 use GuzzleHttp\Psr7\Uri;
46 use LanguageDetection\Language;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
60 const PT_PERSONAL_NOTE = 128;
62 // Posting reasons (Why had a post been stored for a user?)
69 const PR_FOLLOWER = 69;
70 const PR_ANNOUNCEMENT = 70;
71 const PR_COMMENT = 71;
75 const PR_FETCHED = 75;
76 const PR_COMPLETION = 76;
78 const PR_ACTIVITY = 78;
79 const PR_DISTRIBUTE = 79;
83 // system.accept_only_sharer setting values
84 const COMPLETION_NONE = 1;
85 const COMPLETION_COMMENT = 0;
86 const COMPLETION_LIKE = 2;
88 // Field list that is used to display the items
89 const DISPLAY_FIELDLIST = [
90 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
91 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri', 'conversation',
92 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
93 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
94 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
95 'quote-uri', 'quote-uri-id', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
96 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-addr', 'author-uri-id',
97 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated',
98 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
99 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
100 'writable', 'self', 'cid', 'alias',
101 'event-created', 'event-edited', 'event-start', 'event-finish',
102 'event-summary', 'event-desc', 'event-location', 'event-type',
103 'event-nofinish', 'event-ignore', 'event-id',
104 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
105 'has-categories', 'has-media',
106 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
109 // Field list that is used to deliver items via the protocols
110 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
111 'parent-guid', 'conversation', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
112 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
113 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
114 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
115 'author-id', 'author-addr', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
116 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
117 'thr-parent-id', 'parent-uri-id', 'quote-uri', 'quote-uri-id', 'postopts', 'pubmail',
118 'event-created', 'event-edited', 'event-start', 'event-finish',
119 'event-summary', 'event-desc', 'event-location', 'event-type',
120 'event-nofinish', 'event-ignore', 'event-id'];
122 // All fields in the item table
123 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
124 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'conversation', 'vid',
125 'quote-uri', 'quote-uri-id', 'contact-id', 'wall', 'gravity', 'extid', 'psid',
126 'created', 'edited', 'commented', 'received', 'changed', 'verb',
127 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
128 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
129 'private', 'pubmail', 'visible', 'starred',
130 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
131 'title', 'content-warning', 'body', 'location', 'coord', 'app',
132 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
133 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
134 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
136 // List of all verbs that don't need additional content data.
137 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
139 Activity::LIKE, Activity::DISLIKE,
140 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
149 // Item weight for query ordering
150 const GRAVITY_PARENT = 0;
151 const GRAVITY_ACTIVITY = 3;
152 const GRAVITY_COMMENT = 6;
153 const GRAVITY_UNKNOWN = 9;
156 * Update existing item entries
158 * @param array $fields The fields that are to be changed
159 * @param array $condition The condition for finding the item entries
161 * In the future we may have to change permissions as well.
162 * Then we had to add the user id as third parameter.
164 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
166 * @return integer|boolean number of affected rows - or "false" if there was an error
167 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
169 public static function update(array $fields, array $condition)
171 if (empty($condition) || empty($fields)) {
175 if (isset($fields['extid'])) {
176 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
179 if (!empty($fields['verb'])) {
180 $fields['vid'] = Verb::getID($fields['verb']);
183 if (!empty($fields['edited'])) {
184 $previous = Post::selectFirst(['edited'], $condition);
187 $rows = Post::update($fields, $condition);
188 if (is_bool($rows)) {
192 // We only need to call the line by line update for specific fields
193 if (empty($fields['body']) && empty($fields['file']) &&
194 empty($fields['attach']) && empty($fields['edited'])) {
198 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
200 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network', 'quote-uri-id'], $condition);
204 while ($item = DBA::fetch($items)) {
205 if (!empty($fields['body'])) {
206 if (!empty($item['quote-uri-id'])) {
207 $fields['body'] = BBCode::removeSharedData($fields['body']);
209 if (!empty($fields['raw-body'])) {
210 $fields['raw-body'] = BBCode::removeSharedData($fields['raw-body']);
214 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
216 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
218 // Remove all media attachments from the body and store them in the post-media table
219 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
220 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
221 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
223 if ($item['author-network'] != Protocol::DFRN) {
224 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body']);
227 Post\Content::update($item['uri-id'], $content_fields);
230 if (!empty($fields['file'])) {
231 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
234 if (!empty($fields['attach'])) {
235 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
238 // We only need to notfiy others when it is an original entry from us.
239 // Only call the notifier when the item had been edited and records had been changed.
240 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
241 $notify_items[] = $item['id'];
247 foreach ($notify_items as $notify_item) {
248 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
249 Worker::add(Worker::PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
256 * Delete an item and notify others about it - if it was ours
258 * @param array $condition The condition for finding the item entries
259 * @param integer $priority Priority for the notification
261 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
263 public static function markForDeletion(array $condition, int $priority = Worker::PRIORITY_HIGH)
265 $items = Post::select(['id'], $condition);
266 while ($item = Post::fetch($items)) {
267 self::markForDeletionById($item['id'], $priority);
273 * Delete an item for an user and notify others about it - if it was ours
275 * @param array $condition The condition for finding the item entries
276 * @param integer $uid User who wants to delete this item
278 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
280 public static function deleteForUser(array $condition, int $uid)
286 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
287 while ($item = Post::fetch($items)) {
288 if (in_array($item['uid'], [$uid, 0])) {
289 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
290 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
293 if ($item['uid'] == $uid) {
294 self::markForDeletionById($item['id'], Worker::PRIORITY_HIGH);
295 } elseif ($item['uid'] != 0) {
296 Logger::warning('Wrong ownership. Not deleting item', ['id' => $item['id']]);
303 * Mark an item for deletion, delete related data and notify others about it - if it was ours
305 * @param integer $item_id
306 * @param integer $priority Priority for the notification
307 * @return boolean success
308 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
310 public static function markForDeletionById(int $item_id, int $priority = Worker::PRIORITY_HIGH): bool
312 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
313 // locate item to be deleted
314 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
315 'deleted', 'resource-id', 'event-id',
316 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
317 $item = Post::selectFirst($fields, ['id' => $item_id]);
318 if (!DBA::isResult($item)) {
319 Logger::info('Item not found.', ['id' => $item_id]);
323 if ($item['deleted']) {
324 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
328 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
329 if (!DBA::isResult($parent)) {
330 $parent = ['origin' => false];
333 // clean up categories and tags so they don't end up as orphans
334 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
337 * If item is a link to a photo resource, nuke all the associated photos
338 * (visitors will not have photo resources)
339 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
340 * generate a resource-id and therefore aren't intimately linked to the item.
342 /// @TODO: this should first check if photo is used elsewhere
343 if (strlen($item['resource-id'])) {
344 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
347 // If item is a link to an event, delete the event.
348 if (intval($item['event-id'])) {
349 Event::delete($item['event-id']);
352 // If item has attachments, drop them
353 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
354 foreach($attachments as $attachment) {
355 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
356 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
360 // Set the item to "deleted"
361 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
362 Post::update($item_fields, ['id' => $item['id']]);
364 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
366 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
367 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
370 Post\DeliveryData::delete($item['uri-id']);
372 // If it's the parent of a comment thread, kill all the kids
373 if ($item['gravity'] == self::GRAVITY_PARENT) {
374 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
377 // Is it our comment and/or our thread?
378 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
379 // When we delete the original post we will delete all existing copies on the server as well
380 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
382 // send the notification upstream/downstream
384 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
386 } elseif ($item['uid'] != 0) {
387 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
388 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
391 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
397 * Get guid from given item record
399 * @param array $item Item record
400 * @param bool Whether to notify (?)
401 * @return string Guid
403 public static function guid(array $item, bool $notify): string
405 if (!empty($item['guid'])) {
406 return trim($item['guid']);
410 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
411 // We add the hash of our own host because our host is the original creator of the post.
412 $prefix_host = DI::baseUrl()->getHostname();
416 // We are only storing the post so we create a GUID from the original hostname.
417 if (!empty($item['author-link'])) {
418 $parsed = parse_url($item['author-link']);
419 if (!empty($parsed['host'])) {
420 $prefix_host = $parsed['host'];
424 if (empty($prefix_host) && !empty($item['plink'])) {
425 $parsed = parse_url($item['plink']);
426 if (!empty($parsed['host'])) {
427 $prefix_host = $parsed['host'];
431 if (empty($prefix_host) && !empty($item['uri'])) {
432 $parsed = parse_url($item['uri']);
433 if (!empty($parsed['host'])) {
434 $prefix_host = $parsed['host'];
438 // Is it in the format data@host.tld? - Used for mail contacts
439 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
440 $mailparts = explode('@', $item['author-link']);
441 $prefix_host = array_pop($mailparts);
445 if (!empty($item['plink'])) {
446 $guid = self::guidFromUri($item['plink'], $prefix_host);
447 } elseif (!empty($item['uri'])) {
448 $guid = self::guidFromUri($item['uri'], $prefix_host);
450 $guid = System::createUUID(hash('crc32', $prefix_host));
457 * Returns contact id from given item record
459 * @param array $item Item record
460 * @return int Contact id
462 private static function contactId(array $item): int
464 if ($item['uid'] == 0) {
465 return $item['author-id'];
468 if ($item['origin']) {
469 $owner = User::getOwnerDataById($item['uid']);
473 if (!empty($item['causer-id']) && Contact::isSharing($item['causer-id'], $item['uid'], true)) {
474 $cdata = Contact::getPublicAndUserContactID($item['causer-id'], $item['uid']);
475 if (!empty($cdata['user'])) {
476 return $cdata['user'];
480 if ($item['gravity'] == self::GRAVITY_PARENT) {
481 if (Contact::isSharingByURL($item['owner-link'], $item['uid'], true)) {
482 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
484 $contact_id = Contact::getIdForURL($item['owner-link']);
486 if (!empty($contact_id)) {
491 if (Contact::isSharingByURL($item['author-link'], $item['uid'], true)) {
492 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
494 $contact_id = Contact::getIdForURL($item['author-link']);
497 if (!empty($contact_id)) {
501 Logger::warning('contact-id could not be fetched, using self contact instead.', ['uid' => $item['uid'], 'item' => $item]);
502 $self = Contact::selectFirst(['id'], ['self' => true, 'uid' => $item['uid']]);
507 * Write an item array into a spool file to be inserted later.
508 * This command is called whenever there are issues storing an item.
510 * @param array $item The item fields that are to be inserted
513 private static function spool(array $item)
515 // Now we store the data in the spool directory
516 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
517 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
519 $spoolpath = System::getSpoolPath();
520 if ($spoolpath != '') {
521 $spool = $spoolpath . '/' . $file;
523 file_put_contents($spool, json_encode($item));
524 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
529 * Check if the item array is a duplicate
531 * @param array $item Item record
532 * @return boolean is it a duplicate?
534 private static function isDuplicate(array $item): bool
536 // Checking if there is already an item with the same guid
537 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
538 if (Post::exists($condition)) {
539 Logger::notice('Found already existing item', $condition);
543 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
544 'network' => [$item['network'], Protocol::DFRN]];
545 if (Post::exists($condition)) {
546 Logger::notice('duplicated item with the same uri found.', $condition);
550 // On Friendica and Diaspora the GUID is unique
551 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
552 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
553 if (Post::exists($condition)) {
554 Logger::notice('duplicated item with the same guid found.', $condition);
557 } elseif ($item['network'] == Protocol::OSTATUS) {
558 // Check for an existing post with the same content. There seems to be a problem with OStatus.
559 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
560 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
561 if (Post::exists($condition)) {
562 Logger::notice('duplicated item with the same body found.', $item);
568 * Check for already added items.
569 * There is a timing issue here that sometimes creates double postings.
570 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
572 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
573 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
581 * Check if the item array is valid
583 * @param array $item Item record
584 * @return boolean item is valid
586 public static function isValid(array $item): bool
588 // When there is no content then we don't post it
589 if (($item['body'] . $item['title'] == '') && empty($item['quote-uri-id']) && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
590 Logger::notice('No body, no title.');
594 if (!empty($item['uid'])) {
595 $owner = User::getOwnerDataById($item['uid'], false);
597 Logger::warning('Missing item user owner data', ['uid' => $item['uid']]);
601 if ($owner['account_expired'] || $owner['account_removed']) {
602 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
607 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
608 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
612 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
613 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
617 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
618 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
622 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
623 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
627 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
631 if ($item['verb'] == Activity::FOLLOW) {
632 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
633 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
634 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
638 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
639 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
640 if (Post::exists($condition)) {
641 // It happens that we receive multiple follow requests by the same author - we only store one.
642 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
651 * Check if the item array is too old
653 * @param array $item Item record
654 * @return boolean item is too old
656 public static function isTooOld(array $item): bool
658 // check for create date and expire time
659 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
661 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
662 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
663 $expire_interval = $user['expire'];
666 if (($expire_interval > 0) && !empty($item['created'])) {
667 $expire_date = time() - ($expire_interval * 86400);
668 $created_date = strtotime($item['created']);
669 if ($created_date < $expire_date) {
670 Logger::notice('Item created before expiration interval.', [
671 'created' => date('c', $created_date),
672 'expired' => date('c', $expire_date),
683 * Return the id of the given item array if it has been stored before
685 * @param array $item Item record
686 * @return integer Item id or zero on error
688 private static function getDuplicateID(array $item): int
690 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
691 $condition = ['`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
694 Protocol::ACTIVITYPUB,
699 $existing = Post::selectFirst(['id', 'network'], $condition);
700 if (DBA::isResult($existing)) {
701 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
702 if ($item['uid'] != 0) {
703 Logger::notice('Item already existed for user', [
704 'uri-id' => $item['uri-id'],
705 'uid' => $item['uid'],
706 'network' => $item['network'],
707 'existing_id' => $existing['id'],
708 'existing_network' => $existing['network']
712 return $existing['id'];
719 * Fetch the uri-id of the parent for the given uri-id
721 * @param integer $uriid
724 public static function getParent(int $uriid): int
726 $thread_parent = Post::selectFirstPost(['thr-parent-id', 'gravity'], ['uri-id' => $uriid]);
727 if (empty($thread_parent)) {
731 if ($thread_parent['gravity'] == Item::GRAVITY_PARENT) {
735 return self::getParent($thread_parent['thr-parent-id']);
739 * Fetch top-level parent data for the given item array
742 * @return array item array with parent data
745 private static function getTopLevelParent(array $item): array
747 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
748 'uri-id', 'parent-uri-id',
749 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
750 'wall', 'private', 'origin', 'author-id'];
751 $condition = ['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => $item['uid']];
752 $params = ['order' => ['id' => false]];
753 $parent = Post::selectFirst($fields, $condition, $params);
755 if (!DBA::isResult($parent) && Post::exists(['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => 0])) {
756 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
757 if (!$stored && ($item['thr-parent-id'] != $item['parent-uri-id'])) {
758 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
761 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
762 $parent = Post::selectFirst($fields, $condition, $params);
766 if (!DBA::isResult($parent)) {
767 Logger::notice('item parent was not found - ignoring item', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'callstack' => System::callstack(20)]);
771 if ($parent['uri-id'] == $parent['parent-uri-id']) {
775 $condition = ['uri-id' => $parent['parent-uri-id'],
776 'parent-uri-id' => $parent['parent-uri-id'],
777 'uid' => $parent['uid']];
778 $params = ['order' => ['id' => false]];
779 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
781 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
782 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
783 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
784 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
787 if (!DBA::isResult($toplevel_parent)) {
788 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
792 return $toplevel_parent;
796 * Get the gravity for the given item array
799 * @return integer gravity
801 private static function getGravity(array $item): int
803 $activity = DI::activity();
805 if (isset($item['gravity'])) {
806 return intval($item['gravity']);
807 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
808 return self::GRAVITY_PARENT;
809 } elseif ($activity->match($item['verb'], Activity::POST)) {
810 return self::GRAVITY_COMMENT;
811 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
812 return self::GRAVITY_ACTIVITY;
813 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
814 return self::GRAVITY_ACTIVITY;
817 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
818 return self::GRAVITY_UNKNOWN; // Should not happen
822 * Inserts item record
824 * @param array $item Item array to be inserted
825 * @param int $notify Notification (type?)
826 * @param bool $post_local (???)
827 * @return int Zero means error, otherwise primary key (id) is being returned
829 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
833 $priority = Worker::PRIORITY_HIGH;
835 // If it is a posting where users should get notifications, then define it as wall posting
839 $item['network'] = Protocol::DFRN;
840 $item['protocol'] = Conversation::PARCEL_DIRECT;
841 $item['direction'] = Conversation::PUSH;
843 if (is_int($notify) && in_array($notify, Worker::PRIORITIES)) {
847 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
850 $uid = intval($item['uid']);
852 $item['guid'] = self::guid($item, $notify);
853 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['guid']), 0, 255);
856 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
858 // Backward compatibility: parent-uri used to be the direct parent uri.
859 // If it is provided without a thr-parent, it probably is the old behavior.
860 if (empty($item['thr-parent']) || empty($item['parent-uri'])) {
861 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
862 $item['parent-uri'] = $item['thr-parent'];
865 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
866 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
868 // Store conversation data
869 $source = $item['source'] ?? '';
870 unset($item['conversation-uri']);
871 unset($item['conversation-href']);
872 unset($item['source']);
875 * Do we already have this item?
876 * We have to check several networks since Friendica posts could be repeated
877 * via OStatus (maybe Diasporsa as well)
879 $duplicate = self::getDuplicateID($item);
884 // Additional duplicate checks
885 /// @todo Check why the first duplication check returns the item number and the second a 0
886 if (self::isDuplicate($item)) {
890 if (!isset($item['post-type'])) {
891 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
894 $item['wall'] = intval($item['wall'] ?? 0);
895 $item['extid'] = trim($item['extid'] ?? '');
896 $item['author-name'] = trim($item['author-name'] ?? '');
897 $item['author-link'] = trim($item['author-link'] ?? '');
898 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
899 $item['owner-name'] = trim($item['owner-name'] ?? '');
900 $item['owner-link'] = trim($item['owner-link'] ?? '');
901 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
902 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
903 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
904 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
905 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
906 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
907 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
908 $item['location'] = trim($item['location'] ?? '');
909 $item['coord'] = trim($item['coord'] ?? '');
910 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
911 $item['deleted'] = 0;
912 $item['verb'] = trim($item['verb'] ?? '');
913 $item['object-type'] = trim($item['object-type'] ?? '');
914 $item['object'] = trim($item['object'] ?? '');
915 $item['target-type'] = trim($item['target-type'] ?? '');
916 $item['target'] = trim($item['target'] ?? '');
917 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
918 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
919 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
920 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
921 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
922 $item['private'] = intval($item['private'] ?? self::PUBLIC);
923 $item['body'] = trim($item['body'] ?? '');
924 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
925 $item['app'] = trim($item['app'] ?? '');
926 $item['origin'] = intval($item['origin'] ?? 0);
927 $item['postopts'] = trim($item['postopts'] ?? '');
928 $item['resource-id'] = trim($item['resource-id'] ?? '');
929 $item['event-id'] = intval($item['event-id'] ?? 0);
930 $item['inform'] = trim($item['inform'] ?? '');
931 $item['file'] = trim($item['file'] ?? '');
933 // Communities aren't working with the Diaspora protoccol
934 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
935 $user = User::getById($uid, ['account-type']);
936 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
937 Logger::info('Community posts are not supported via Diaspora');
942 // Items cannot be stored before they happen ...
943 if ($item['created'] > DateTimeFormat::utcNow()) {
944 $item['created'] = DateTimeFormat::utcNow();
947 // We haven't invented time travel by now.
948 if ($item['edited'] > DateTimeFormat::utcNow()) {
949 $item['edited'] = DateTimeFormat::utcNow();
952 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
954 $item['gravity'] = self::getGravity($item);
956 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
957 'photo' => $item['author-avatar'], 'network' => $item['network']];
958 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
960 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
961 'photo' => $item['owner-avatar'], 'network' => $item['network']];
962 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
964 $item['post-reason'] = self::getPostReason($item);
966 // Ensure that there is an avatar cache
967 Contact::checkAvatarCache($item['author-id']);
968 Contact::checkAvatarCache($item['owner-id']);
970 $item['contact-id'] = self::contactId($item);
972 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
973 empty($item['origin']) && self::isTooOld($item)) {
974 Logger::info('Item is too old', ['item' => $item]);
978 if (!self::isValid($item)) {
982 if ($item['gravity'] !== self::GRAVITY_PARENT) {
983 $toplevel_parent = self::getTopLevelParent($item);
984 if (empty($toplevel_parent)) {
988 // If the thread originated from this node, we check the permission against the thread starter
989 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
990 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
991 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
995 $parent_id = $toplevel_parent['id'];
996 $item['parent-uri'] = $toplevel_parent['uri'];
997 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
998 $item['deleted'] = $toplevel_parent['deleted'];
1000 // Reshares have to keep their permissions to allow forums to work
1001 if (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE)) {
1002 $item['allow_cid'] = $toplevel_parent['allow_cid'];
1003 $item['allow_gid'] = $toplevel_parent['allow_gid'];
1004 $item['deny_cid'] = $toplevel_parent['deny_cid'];
1005 $item['deny_gid'] = $toplevel_parent['deny_gid'];
1008 $parent_origin = $toplevel_parent['origin'];
1010 // Don't federate received participation messages
1011 if ($item['verb'] != Activity::FOLLOW) {
1012 $item['wall'] = $toplevel_parent['wall'];
1014 $item['wall'] = false;
1015 // Participations are technical messages, so they are set to "seen" automatically
1016 $item['unseen'] = false;
1020 * If the parent is private, force privacy for the entire conversation
1021 * This differs from the above settings as it subtly allows comments from
1022 * email correspondents to be private even if the overall thread is not.
1024 if ($toplevel_parent['private']) {
1025 $item['private'] = $toplevel_parent['private'];
1028 // If its a post that originated here then tag the thread as "mention"
1029 if ($item['origin'] && $item['uid']) {
1030 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1031 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1034 // Update the contact relations
1035 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1038 $parent_origin = $item['origin'];
1040 if ($item['wall'] && empty($item['conversation'])) {
1041 $item['conversation'] = $item['parent-uri'] . '#context';
1045 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1046 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1048 if (!empty($item['conversation']) && empty($item['conversation-id'])) {
1049 $item['conversation-id'] = ItemURI::getIdByURI($item['conversation']);
1052 // Is this item available in the global items (with uid=0)?
1053 if ($item['uid'] == 0) {
1054 $item['global'] = true;
1056 // Set the global flag on all items if this was a global item entry
1057 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
1059 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
1063 if (!empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
1064 $item['private'] = self::PRIVATE;
1067 if ($notify && $post_local) {
1068 $item['edit'] = false;
1069 $item['parent'] = $parent_id;
1071 // Trigger automatic reactions for addons
1072 if (!isset($item['api_source'])) {
1073 $item['api_source'] = true;
1076 // We have to tell the hooks who we are - this really should be improved
1077 if (!DI::userSession()->getLocalUserId()) {
1078 $_SESSION['authenticated'] = true;
1079 $_SESSION['uid'] = $uid;
1080 $dummy_session = true;
1082 $dummy_session = false;
1085 Hook::callAll('post_local', $item);
1087 if ($dummy_session) {
1088 unset($_SESSION['authenticated']);
1089 unset($_SESSION['uid']);
1091 } elseif (!$notify) {
1092 Hook::callAll('post_remote', $item);
1095 if (!empty($item['cancel'])) {
1096 Logger::notice('post cancelled by addon.');
1100 if (empty($item['vid']) && !empty($item['verb'])) {
1101 $item['vid'] = Verb::getID($item['verb']);
1104 // Creates or assigns the permission set
1105 $item['psid'] = DI::permissionSet()->selectOrCreate(
1106 DI::permissionSetFactory()->createFromString(
1114 if (!empty($item['extid'])) {
1115 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1118 if ($item['verb'] == Activity::ANNOUNCE) {
1119 self::setOwnerforResharedItem($item);
1122 if (isset($item['attachments'])) {
1123 foreach ($item['attachments'] as $attachment) {
1124 $attachment['uri-id'] = $item['uri-id'];
1125 Post\Media::insert($attachment);
1127 unset($item['attachments']);
1130 if (empty($item['quote-uri-id'])) {
1131 $quote_id = self::getQuoteUriId($item['body']);
1132 if (!empty($quote_id)) {
1133 // This is one of these "should not happen" situations.
1134 // The protocol implementations should already have done this job.
1135 Logger::notice('Quote-uri-id detected in post', ['id' => $quote_id, 'guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'callstack' => System::callstack(20)]);
1136 $item['quote-uri-id'] = $quote_id;
1140 if (!empty($item['quote-uri-id'])) {
1141 $item['raw-body'] = BBCode::removeSharedData($item['raw-body']);
1142 $item['body'] = BBCode::removeSharedData($item['body']);
1145 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1147 // Remove all media attachments from the body and store them in the post-media table
1148 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1149 $item['raw-body'] = self::setHashtags($item['raw-body']);
1151 if (!DBA::exists('contact', ['id' => $item['author-id'], 'network' => Protocol::DFRN])) {
1152 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body']);
1155 // Check for hashtags in the body and repair or add hashtag links
1156 $item['body'] = self::setHashtags($item['body']);
1158 $item['language'] = self::getLanguage($item);
1160 $notify_type = Delivery::POST;
1162 // Filling item related side tables
1163 if (!empty($item['attach'])) {
1164 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1167 if (empty($item['event-id'])) {
1168 unset($item['event-id']);
1170 $ev = Event::fromBBCode($item['body']);
1171 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1172 Logger::info('Event found.');
1173 $ev['cid'] = $item['contact-id'];
1174 $ev['uid'] = $item['uid'];
1175 $ev['uri'] = $item['uri'];
1176 $ev['edited'] = $item['edited'];
1177 $ev['private'] = $item['private'];
1178 $ev['guid'] = $item['guid'];
1179 $ev['plink'] = $item['plink'];
1180 $ev['network'] = $item['network'];
1181 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1182 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1183 $ev['source'] = $item['source'] ?? '';
1185 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1186 if (DBA::isResult($event)) {
1187 $ev['id'] = $event['id'];
1190 $event_id = Event::store($ev);
1191 $item = Event::getItemArrayForImportedId($event_id, $item);
1193 Logger::info('Event was stored', ['id' => $event_id]);
1197 if (empty($item['causer-id'])) {
1198 unset($item['causer-id']);
1201 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1202 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1203 if (!empty($content_warning) && empty($item['content-warning'])) {
1204 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1208 Post::insert($item['uri-id'], $item);
1210 if ($item['gravity'] == self::GRAVITY_PARENT) {
1211 Post\Thread::insert($item['uri-id'], $item);
1214 if (!in_array($item['verb'], self::ACTIVITIES)) {
1215 Post\Content::insert($item['uri-id'], $item);
1218 // Create Diaspora signature
1219 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != self::GRAVITY_PARENT)) {
1220 $signed = Diaspora::createCommentSignature($item);
1221 if (!empty($signed)) {
1222 $item['diaspora_signed_text'] = json_encode($signed);
1226 if (!empty($item['diaspora_signed_text'])) {
1227 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1230 // Attached file links
1231 if (!empty($item['file'])) {
1232 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1235 // Delivery relevant data
1236 $delivery_data = Post\DeliveryData::extractFields($item);
1238 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1239 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1242 // Store tags from the body if this hadn't been handled previously in the protocol classes
1243 if (!Tag::existsForPost($item['uri-id'])) {
1244 Tag::storeFromBody($item['uri-id'], $item['body']);
1247 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1248 if (Post::exists($condition)) {
1249 Logger::notice('Item is already inserted - aborting', $condition);
1253 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1254 if (!$post_user_id) {
1255 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1259 if ($item['gravity'] == self::GRAVITY_PARENT) {
1260 $item['post-user-id'] = $post_user_id;
1261 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1264 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1266 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1267 if (!DBA::isResult($posted_item)) {
1268 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1269 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1270 self::spool($orig_item);
1274 // update the commented timestamp on the parent
1275 if (DI::config()->get('system', 'like_no_comment')) {
1276 // Update when it is a comment
1277 $update_commented = in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]);
1279 // Update when it isn't a follow or tag verb
1280 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1283 if ($update_commented) {
1284 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1286 $fields = ['changed' => DateTimeFormat::utcNow()];
1289 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1291 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1292 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1293 // Get the user information for the logging
1294 $user = User::getById($uid);
1296 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1301 if (!\Friendica\Content\Feature::isEnabled($posted_item['uid'], 'explicit_mentions') && ($posted_item['gravity'] == self::GRAVITY_COMMENT)) {
1302 Tag::createImplicitMentions($posted_item['uri-id'], $posted_item['thr-parent-id']);
1304 Hook::callAll('post_local_end', $posted_item);
1306 Hook::callAll('post_remote_end', $posted_item);
1309 if ($posted_item['gravity'] === self::GRAVITY_PARENT) {
1310 self::addShadow($post_user_id);
1312 self::addShadowPost($post_user_id);
1315 self::updateContact($posted_item);
1317 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1319 // Distribute items to users who subscribed to their tags
1320 self::distributeByTags($posted_item);
1322 // Automatically reshare the item if the "remote_self" option is selected
1323 self::autoReshare($posted_item);
1325 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1328 // Don't relay participation messages
1329 if (($posted_item['verb'] == Activity::FOLLOW) &&
1330 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1331 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1337 if (!empty($source)) {
1338 Post\Activity::insert($item['uri-id'], $source);
1340 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1343 // Fill the cache with the rendered content.
1344 if (in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1345 self::updateDisplayCache($posted_item['uri-id']);
1348 return $post_user_id;
1352 * Fetch the post reason for a given item array
1354 * @param array $item
1358 public static function getPostReason(array $item): int
1360 $actor = ($item['gravity'] == self::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1361 if (empty($item['origin']) && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1362 return self::PR_FOLLOWER;
1365 if (!empty($item['origin']) && empty($item['post-reason'])) {
1366 return self::PR_LOCAL;
1369 return $item['post-reason'] ?? self::PR_NONE;
1373 * Update the display cache
1375 * @param integer $uri_id
1378 public static function updateDisplayCache(int $uri_id)
1380 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1381 self::prepareBody($item, false, false, true);
1385 * Change the owner of a parent item if it had been shared by a forum
1387 * (public) forum posts in the new format consist of the regular post by the author
1388 * followed by an announce message sent from the forum account.
1389 * Changing the owner helps in grouping forum posts.
1391 * @param array $item
1394 private static function setOwnerforResharedItem(array $item)
1396 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1397 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1398 if (!DBA::isResult($parent)) {
1399 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1403 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1404 if (!DBA::isResult($author)) {
1405 Logger::error('Author not found', ['id' => $item['author-id']]);
1409 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1410 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1412 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1413 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1414 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1418 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1419 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1420 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1424 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1425 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1430 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1431 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1435 * Distribute the given item to users who subscribed to their tags
1437 * @param array $item Processed item
1439 private static function distributeByTags(array $item)
1441 if (($item['uid'] != 0) || ($item['gravity'] != self::GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1445 $uids = Tag::getUIDListByURIId($item['uri-id']);
1446 foreach ($uids as $uid) {
1447 $stored = self::storeForUserByUriId($item['uri-id'], $uid, ['post-reason' => self::PR_TAG]);
1448 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1453 * Distributes public items to the receivers
1455 * @param integer $itemid Item ID that should be added
1456 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1457 * @throws \Exception
1459 public static function distribute(int $itemid, string $signed_text = '')
1461 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1462 $parent = Post::selectFirst(['owner-id'], $condition);
1463 if (!DBA::isResult($parent)) {
1464 Logger::warning('Item not found', ['condition' => $condition]);
1468 // Only distribute public items from native networks
1469 $condition = ['id' => $itemid, 'uid' => 0,
1470 'network' => array_merge(Protocol::FEDERATED ,['']),
1471 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1472 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), $condition);
1473 if (!DBA::isResult($item)) {
1474 Logger::warning('Item not found', ['condition' => $condition]);
1478 $origin = $item['origin'];
1482 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1483 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1484 if (!DBA::isResult($owner)) {
1488 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1489 $contacts = DBA::select('contact', ['uid'], $condition);
1490 while ($contact = DBA::fetch($contacts)) {
1491 if ($contact['uid'] == 0) {
1495 $users[$contact['uid']] = $contact['uid'];
1497 DBA::close($contacts);
1499 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1500 $contacts = DBA::select('contact', ['uid'], $condition);
1501 while ($contact = DBA::fetch($contacts)) {
1502 if ($contact['uid'] == 0) {
1506 $users[$contact['uid']] = $contact['uid'];
1508 DBA::close($contacts);
1510 if (!empty($owner['alias'])) {
1511 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1512 $contacts = DBA::select('contact', ['uid'], $condition);
1513 while ($contact = DBA::fetch($contacts)) {
1514 if ($contact['uid'] == 0) {
1518 $users[$contact['uid']] = $contact['uid'];
1520 DBA::close($contacts);
1525 if ($item['uri-id'] != $item['parent-uri-id']) {
1526 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1527 while ($parent = Post::fetch($parents)) {
1528 $users[$parent['uid']] = $parent['uid'];
1529 if ($parent['origin'] && !$origin) {
1530 $origin_uid = $parent['uid'];
1533 DBA::close($parents);
1536 foreach ($users as $uid) {
1537 if ($origin_uid == $uid) {
1538 $item['diaspora_signed_text'] = $signed_text;
1540 $item['post-reason'] = self::PR_DISTRIBUTE;
1541 self::storeForUser($item, $uid);
1546 * Store a public item defined by their URI-ID for the given users
1548 * @param integer $uri_id URI-ID of the given item
1549 * @param integer $uid The user that will receive the item entry
1550 * @param array $fields Additional fields to be stored
1551 * @param integer $source_uid User id of the source post
1552 * @return integer stored item id
1554 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1556 if ($uid == $source_uid) {
1557 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1561 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['uri-id' => $uri_id, 'uid' => $source_uid]);
1562 if (!DBA::isResult($item)) {
1563 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1567 if (($uid != 0) && ($item['gravity'] == self::GRAVITY_PARENT)) {
1568 $owner = User::getOwnerDataById($uid);
1569 if (($owner['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && !Tag::isMentioned($uri_id, $owner['url'])) {
1570 Logger::info('Target user is a forum but is not mentioned here, thread will not be stored', ['uid' => $uid, 'uri-id' => $uri_id]);
1575 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1576 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']]);
1580 $item['post-reason'] = self::PR_STORED;
1582 $item = array_merge($item, $fields);
1584 if (($uid != 0) && Contact::isSharing(($item['gravity'] == Item::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'], $uid)) {
1585 $item['post-reason'] = self::PR_FOLLOWER;
1588 $is_reshare = ($item['gravity'] == self::GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1590 if (($uid != 0) && (($item['gravity'] == self::GRAVITY_PARENT) || $is_reshare) &&
1591 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1592 !in_array($item['post-reason'], [self::PR_FOLLOWER, self::PR_TAG, self::PR_TO, self::PR_CC])) {
1593 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']]);
1597 $causer = $item['causer-id'] ?: $item['author-id'];
1599 if (($uri_id != $item['parent-uri-id']) && ($item['gravity'] == self::GRAVITY_COMMENT) && !Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
1600 if (!self::fetchParent($item['parent-uri-id'], $uid, $causer)) {
1601 Logger::info('Parent post had not been added', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1604 Logger::info('Fetched parent post', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1605 } elseif (($uri_id != $item['thr-parent-id']) && $is_reshare && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1606 if (!self::fetchParent($item['thr-parent-id'], $uid, $causer)) {
1607 Logger::info('Thread parent had not been added', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1610 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1613 $stored = self::storeForUser($item, $uid);
1614 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'causer' => $causer, 'source-uid' => $source_uid, 'stored' => $stored]);
1619 * Fetch the parent with the given uri-id
1621 * @param integer $uri_id
1622 * @param integer $uid
1623 * @param integer $causer
1627 private static function fetchParent(int $uri_id, int $uid, int $causer): int
1629 // Fetch the origin user for the post
1630 $origin_uid = self::GetOriginUidForUriId($uri_id, $uid);
1631 if (is_null($origin_uid)) {
1632 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $uri_id]);
1636 return self::storeForUserByUriId($uri_id, $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1640 * Returns the origin uid of a post if the given user is allowed to see it.
1646 private static function GetOriginUidForUriId(int $uriid, int $uid)
1648 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1652 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1653 if (!empty($post)) {
1654 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1655 return $post['uid'];
1658 $pcid = Contact::getPublicIdByUserId($uid);
1663 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1664 if ($receiver == $pcid) {
1665 return $post['uid'];
1672 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1676 // When the post belongs to a a forum then all forum users are allowed to access it
1677 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1678 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1679 $target_uid = User::getIdForURL($tag['url']);
1680 if (!empty($target_uid)) {
1690 * Store a public item array for the given users
1692 * @param array $item The item entry that will be stored
1693 * @param integer $uid The user that will receive the item entry
1694 * @return integer stored item id
1695 * @throws \Exception
1697 private static function storeForUser(array $item, int $uid): int
1699 $post = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1700 if (!empty($post['id'])) {
1701 if (!empty($item['event-id'])) {
1702 $event_post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1703 if (!empty($event_post['event-id'])) {
1704 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish', 'adjust'], ['id' => $item['event-id']]);
1705 if (!empty($event)) {
1706 // We aren't using "Event::store" here, since we don't want to trigger any further action
1707 $ret = DBA::update('event', $event, ['id' => $event_post['event-id']]);
1708 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $event_post['event-id'], 'ret' => $ret]);
1712 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'id' => $post['id']]);
1716 // Data from the "post-user" table
1718 unset($item['mention']);
1719 unset($item['starred']);
1720 unset($item['unseen']);
1721 unset($item['psid']);
1722 unset($item['pinned']);
1723 unset($item['ignored']);
1724 unset($item['pubmail']);
1725 unset($item['event-id']);
1726 unset($item['hidden']);
1727 unset($item['notification-type']);
1729 // Data from the "post-delivery-data" table
1730 unset($item['postopts']);
1731 unset($item['inform']);
1733 $item['uid'] = $uid;
1734 $item['origin'] = 0;
1737 $item['contact-id'] = self::contactId($item);
1740 if ($item['gravity'] == self::GRAVITY_PARENT) {
1741 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1742 if (DBA::isResult($contact)) {
1743 $notify = self::isRemoteSelf($contact, $item);
1747 $distributed = self::insert($item, $notify);
1749 if (!$distributed) {
1750 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1752 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1754 return $distributed;
1758 * Add a shadow entry for a given item id that is a thread starter
1760 * We store every public item entry additionally with the user id "0".
1761 * This is used for the community page and for the search.
1762 * It is planned that in the future we will store public item entries only once.
1764 * @param integer $itemid Item ID that should be added
1765 * @throws \Exception
1767 private static function addShadow(int $itemid)
1769 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1770 $condition = ['id' => $itemid, 'gravity' => self::GRAVITY_PARENT];
1771 $item = Post::selectFirst($fields, $condition);
1773 if (!DBA::isResult($item)) {
1777 // is it already a copy?
1778 if (($itemid == 0) || ($item['uid'] == 0)) {
1782 // Is it a visible public post?
1783 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1787 // is it an entry from a connector? Only add an entry for natively connected networks
1788 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1792 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1796 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1798 if (DBA::isResult($item)) {
1799 // Preparing public shadow (removing user specific data)
1802 unset($item['parent']);
1803 unset($item['wall']);
1804 unset($item['mention']);
1805 unset($item['origin']);
1806 unset($item['starred']);
1807 unset($item['postopts']);
1808 unset($item['inform']);
1809 unset($item['post-reason']);
1810 if ($item['uri-id'] == $item['parent-uri-id']) {
1811 $item['contact-id'] = $item['owner-id'];
1813 $item['contact-id'] = $item['author-id'];
1816 $public_shadow = self::insert($item);
1818 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1823 * Add a shadow entry for a given item id that is a comment
1825 * This function does the same like the function above - but for comments
1827 * @param integer $itemid Item ID that should be added
1828 * @throws \Exception
1830 private static function addShadowPost(int $itemid)
1832 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1833 if (!DBA::isResult($item)) {
1837 // Is it a toplevel post?
1838 if ($item['gravity'] == self::GRAVITY_PARENT) {
1839 self::addShadow($itemid);
1843 // Is this a shadow entry?
1844 if ($item['uid'] == 0) {
1848 // Is there a shadow parent?
1849 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1853 // Is there already a shadow entry?
1854 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1858 // Save "origin" and "parent" state
1859 $origin = $item['origin'];
1860 $parent = $item['parent'];
1862 // Preparing public shadow (removing user specific data)
1865 unset($item['parent']);
1866 unset($item['wall']);
1867 unset($item['mention']);
1868 unset($item['origin']);
1869 unset($item['starred']);
1870 unset($item['postopts']);
1871 unset($item['inform']);
1872 unset($item['post-reason']);
1873 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1875 $public_shadow = self::insert($item);
1877 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1879 // If this was a comment to a Diaspora post we don't get our comment back.
1880 // This means that we have to distribute the comment by ourselves.
1881 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1882 self::distribute($public_shadow);
1887 * Adds a language specification in a "language" element of given $arr.
1888 * Expects "body" element to exist in $arr.
1890 * @param array $item
1891 * @return string detected language
1892 * @throws \Text_LanguageDetect_Exception
1894 private static function getLanguage(array $item): string
1896 if (!empty($item['language'])) {
1897 return $item['language'];
1900 if (!in_array($item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) || empty($item['body'])) {
1904 $languages = self::getLanguageArray(trim($item['title'] . "\n" . $item['body']), 3);
1905 if (empty($languages)) {
1909 return json_encode($languages);
1913 * Get a language array from a given text
1915 * @param string $body
1916 * @param integer $count
1919 public static function getLanguageArray(string $body, int $count): array
1921 // Convert attachments to links
1922 $naked_body = BBCode::removeAttachment($body);
1923 if (empty($naked_body)) {
1927 // Remove links and pictures
1928 $naked_body = BBCode::removeLinks($naked_body);
1930 // Convert the title and the body to plain text
1931 $naked_body = BBCode::toPlaintext($naked_body);
1933 // Remove possibly remaining links
1934 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1936 if (empty($naked_body)) {
1940 $naked_body = self::getDominantLanguage($naked_body);
1942 $availableLanguages = DI::l10n()->getAvailableLanguages();
1943 // See https://github.com/friendica/friendica/issues/10511
1944 // Persian is manually added to language detection until a persian translation is provided for the interface, at
1945 // which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
1946 $availableLanguages['fa'] = 'fa';
1948 $ld = new Language(array_keys($availableLanguages));
1949 return $ld->detect($naked_body)->limit(0, $count)->close() ?: [];
1953 * Check if latin or non latin are dominant in the body and only return the dominant one
1955 * @param string $body
1958 private static function getDominantLanguage(string $body): string
1962 for ($i = 0; $i < mb_strlen($body); $i++) {
1963 $character = mb_substr($body, $i, 1);
1964 $ord = mb_ord($character);
1966 // We add the most common characters to both strings.
1967 if (($ord <= 64) || ($ord >= 91 && $ord <= 96) || ($ord >= 123 && $ord <= 191) || in_array($ord, [215, 247]) || ($ord >= 697 && $ord <= 735) || ($ord > 65535)) {
1968 $latin .= $character;
1969 $non_latin .= $character;
1970 } elseif ($ord < 768) {
1971 $latin .= $character;
1973 $non_latin .= $character;
1976 return (mb_strlen($latin) > mb_strlen($non_latin)) ? $latin : $non_latin;
1979 public static function getLanguageMessage(array $item): string
1981 $iso639 = new \Matriphe\ISO639\ISO639;
1983 $used_languages = '';
1984 foreach (json_decode($item['language'], true) as $language => $reliability) {
1985 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1987 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1988 return $used_languages;
1992 * Creates an unique guid out of a given uri.
1993 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
1994 * Posts that are created on this system are using System::createUUID.
1995 * Received ActivityPub posts are using Processor::getGUIDByURL.
1997 * @param string $uri uri of an item entry
1998 * @param string|null $host hostname for the GUID prefix
1999 * @return string Unique guid
2001 public static function guidFromUri(string $uri, string $host = null): string
2003 // Our regular guid routine is using this kind of prefix as well
2004 // We have to avoid that different routines could accidentally create the same value
2005 $parsed = parse_url($uri);
2007 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2008 unset($parsed['scheme']);
2010 // Glue it together to be able to make a hash from it
2011 $host_id = implode('/', $parsed);
2013 // Use a mixture of several hashes to provide some GUID like experience
2014 return hash('crc32', $host) . '-'. hash('joaat', $host_id) . '-'. hash('fnv164', $host_id);
2018 * generate an unique URI
2020 * @param string $guid An existing GUID (Otherwise it will be generated)
2023 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2025 public static function newURI(string $guid = ''): string
2028 $guid = System::createUUID();
2031 return DI::baseUrl()->get() . '/objects/' . $guid;
2035 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2037 * This can be used to filter for inactive contacts.
2038 * Only do this for public postings to avoid privacy problems, since poco data is public.
2039 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2041 * @param array $arr Contains the just posted item record
2042 * @throws \Exception
2044 private static function updateContact(array $arr)
2046 // Unarchive the author
2047 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2048 if (DBA::isResult($contact)) {
2049 Contact::unmarkForArchival($contact);
2052 // Unarchive the contact if it's not our own contact
2053 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2054 if (DBA::isResult($contact)) {
2055 Contact::unmarkForArchival($contact);
2058 /// @todo On private posts we could obfuscate the date
2059 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2061 // Is it a forum? Then we don't care about the rules from above
2062 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
2063 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2069 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2070 // So we have to ensure to only update the last item when it had been our own post,
2071 // or it had been done by a "regular" contact.
2072 if (!empty($arr['wall'])) {
2073 $condition = ['id' => $arr['contact-id']];
2075 $condition = ['id' => $arr['contact-id'], 'self' => false];
2077 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2079 // Now do the same for the system wide contacts with uid=0
2080 if ($arr['private'] != self::PRIVATE) {
2081 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2082 ['id' => $arr['owner-id']]);
2084 if ($arr['owner-id'] != $arr['author-id']) {
2085 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2086 ['id' => $arr['author-id']]);
2091 public static function setHashtags(string $body): string
2093 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
2094 $tags = BBCode::getTags($body);
2097 if (!count($tags)) {
2101 // This sorting is important when there are hashtags that are part of other hashtags
2102 // Otherwise there could be problems with hashtags like #test and #test2
2103 // Because of this we are sorting from the longest to the shortest tag.
2104 usort($tags, function ($a, $b) {
2105 return strlen($b) <=> strlen($a);
2108 $URLSearchString = "^\[\]";
2110 // All hashtags should point to the home server if "local_tags" is activated
2111 if (DI::config()->get('system', 'local_tags')) {
2112 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2113 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2116 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2117 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2119 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2122 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2124 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2127 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
2129 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2132 // Repair recursive urls
2133 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2136 foreach ($tags as $tag) {
2137 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2141 $basetag = str_replace('_', ' ', substr($tag, 1));
2142 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2144 $body = str_replace($tag, $newtag, $body);
2147 // Convert back the masked hashtags
2148 $body = str_replace("#", "#", $body);
2157 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2160 * @param int $item_id
2161 * @return boolean true if item was deleted, else false
2162 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2163 * @throws \ImagickException
2165 private static function tagDeliver(int $uid, int $item_id): bool
2169 $owner = User::getOwnerDataById($uid);
2170 if (!DBA::isResult($owner)) {
2171 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2175 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2176 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2180 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [self::GRAVITY_PARENT, self::GRAVITY_COMMENT], 'origin' => false]);
2181 if (!DBA::isResult($item)) {
2182 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2186 if ($item['gravity'] == self::GRAVITY_PARENT) {
2187 if (Tag::isMentioned($item['uri-id'], $owner['url'])) {
2188 Logger::info('Mention found in tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2190 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2191 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2195 $arr = ['item' => $item, 'user' => $owner];
2197 Hook::callAll('tagged', $arr);
2199 if (Tag::isMentioned($item['parent-uri-id'], $owner['url'])) {
2200 Logger::info('Mention found in parent tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2202 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2207 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2209 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2211 $allow_gid = '<' . Group::FOLLOWERS . '>';
2214 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2216 self::performActivity($item['id'], 'announce', $uid);
2219 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2224 * Automatically reshare the item if the "remote_self" option is selected
2226 * @param array $item
2229 private static function autoReshare(array $item)
2231 if ($item['gravity'] != self::GRAVITY_PARENT) {
2235 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2239 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2243 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2245 self::performActivity($item['id'], 'announce', $item['uid']);
2248 public static function isRemoteSelf(array $contact, array &$datarray): bool
2250 if (!$contact['remote_self']) {
2254 // Prevent the forwarding of posts that are forwarded
2255 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2256 Logger::info('Already forwarded');
2260 // Prevent to forward already forwarded posts
2261 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2262 Logger::info('Already forwarded (second test)');
2266 // Only forward posts
2267 if ($datarray["verb"] != Activity::POST) {
2268 Logger::info('No post');
2272 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2273 Logger::info('Not public');
2277 $datarray2 = $datarray;
2278 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2279 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2280 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2281 ['uid' => $contact['uid'], 'self' => true]);
2282 if (DBA::isResult($self)) {
2283 $datarray['contact-id'] = $self["id"];
2285 $datarray['owner-name'] = $self["name"];
2286 $datarray['owner-link'] = $self["url"];
2287 $datarray['owner-avatar'] = $self["thumb"];
2289 $datarray['author-name'] = $datarray['owner-name'];
2290 $datarray['author-link'] = $datarray['owner-link'];
2291 $datarray['author-avatar'] = $datarray['owner-avatar'];
2293 unset($datarray['edited']);
2295 unset($datarray['network']);
2296 unset($datarray['owner-id']);
2297 unset($datarray['author-id']);
2300 if ($contact['network'] != Protocol::FEED) {
2301 $old_uri_id = $datarray["uri-id"] ?? 0;
2302 $datarray["guid"] = System::createUUID();
2303 unset($datarray["plink"]);
2304 $datarray["uri"] = self::newURI($datarray["guid"]);
2305 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2306 $datarray["extid"] = Protocol::DFRN;
2307 $urlpart = parse_url($datarray2['author-link']);
2308 $datarray["app"] = $urlpart["host"];
2309 if (!empty($old_uri_id)) {
2310 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2313 unset($datarray["parent-uri"]);
2314 unset($datarray["thr-parent"]);
2316 $datarray['private'] = self::PUBLIC;
2320 if ($contact['network'] != Protocol::FEED) {
2321 // Store the original post
2322 $result = self::insert($datarray2);
2323 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2325 $datarray["app"] = "Feed";
2329 return (bool)$result;
2336 * @param array $item
2339 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2340 * @throws \ImagickException
2342 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2344 if (DI::config()->get('system', 'disable_embedded')) {
2348 Logger::info('check for photos');
2349 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2354 $img_start = strpos($orig_body, '[img');
2355 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2356 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2358 while (($img_st_close !== false) && ($img_len !== false)) {
2359 $img_st_close++; // make it point to AFTER the closing bracket
2360 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2362 Logger::info('found photo', ['image' => $image]);
2364 if (stristr($image, $site . '/photo/')) {
2365 // Only embed locally hosted photos
2367 $i = basename($image);
2368 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2369 $x = strpos($i, '-');
2372 $res = substr($i, $x + 1);
2373 $i = substr($i, 0, $x);
2374 $photo = Photo::getPhotoForUser($uid, $i, $res);
2375 if (DBA::isResult($photo)) {
2377 * Check to see if we should replace this photo link with an embedded image
2378 * 1. No need to do so if the photo is public
2379 * 2. If there's a contact-id provided, see if they're in the access list
2380 * for the photo. If so, embed it.
2381 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2382 * permissions, regardless of order but first check to see if they're an exact
2383 * match to save some processing overhead.
2385 if (self::hasPermissions($photo)) {
2387 $recips = self::enumeratePermissions($photo);
2388 if (in_array($cid, $recips)) {
2392 if (self::samePermissions($uid, $item, $photo)) {
2398 $photo_img = Photo::getImageForPhoto($photo);
2399 // If a custom width and height were specified, apply before embedding
2400 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2401 Logger::info('scaling photo');
2403 $width = intval($match[1]);
2404 $height = intval($match[2]);
2406 $photo_img->scaleDown(max($width, $height));
2409 $data = $photo_img->asString();
2410 $type = $photo_img->getType();
2412 Logger::info('replacing photo');
2413 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2414 Logger::debug('replaced', ['image' => $image]);
2420 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2421 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2422 if ($orig_body === false) {
2426 $img_start = strpos($orig_body, '[img');
2427 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2428 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2431 $new_body = $new_body . $orig_body;
2436 private static function hasPermissions(array $obj)
2438 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2439 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2442 // @TODO $uid is unused parameter
2443 private static function samePermissions($uid, array $obj1, array $obj2): bool
2445 // first part is easy. Check that these are exactly the same.
2446 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2447 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2448 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2449 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2453 // This is harder. Parse all the permissions and compare the resulting set.
2454 $recipients1 = self::enumeratePermissions($obj1);
2455 $recipients2 = self::enumeratePermissions($obj2);
2459 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2460 return ($recipients1 == $recipients2);
2464 * Returns an array of contact-ids that are allowed to see this object
2466 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2467 * @param bool $check_dead Prunes unavailable contacts from the result
2469 * @throws \Exception
2471 public static function enumeratePermissions(array $obj, bool $check_dead = false): array
2473 $aclFormater = DI::aclFormatter();
2475 $allow_people = $aclFormater->expand($obj['allow_cid']);
2476 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2477 $deny_people = $aclFormater->expand($obj['deny_cid']);
2478 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2479 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2480 $deny = array_unique(array_merge($deny_people, $deny_groups));
2481 $recipients = array_diff($recipients, $deny);
2485 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2487 if (!$uid || ($days < 1)) {
2491 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2492 $uid, self::GRAVITY_PARENT];
2495 * $expire_network_only = save your own wall posts
2496 * and just expire conversations started by others
2498 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2500 if ($expire_network_only) {
2501 $condition[0] .= " AND NOT `wall`";
2504 if ($network != "") {
2505 $condition[0] .= " AND `network` = ?";
2506 $condition[] = $network;
2509 $condition[0] .= " AND `received` < ?";
2510 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2512 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2514 if (!DBA::isResult($items)) {
2518 $expire_items = (bool)DI::pConfig()->get($uid, 'expire', 'items', true);
2520 // Forcing expiring of items - but not notes and marked items
2522 $expire_items = true;
2525 $expire_notes = (bool)DI::pConfig()->get($uid, 'expire', 'notes', true);
2526 $expire_starred = (bool)DI::pConfig()->get($uid, 'expire', 'starred', true);
2527 $expire_photos = (bool)DI::pConfig()->get($uid, 'expire', 'photos', false);
2531 $priority = DI::config()->get('system', 'expire-notify-priority');
2533 while ($item = Post::fetch($items)) {
2534 // don't expire filed items
2535 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2539 // Only expire posts, not photos and photo comments
2541 if (!$expire_photos && !empty($item['resource-id'])) {
2543 } elseif (!$expire_starred && intval($item['starred'])) {
2545 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2547 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2551 self::markForDeletionById($item['id'], $priority);
2556 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]);
2559 public static function firstPostDate(int $uid, bool $wall = false)
2561 $user = User::getById($uid, ['register_date']);
2566 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2567 $uid, $wall, $user['register_date']];
2568 $params = ['order' => ['received' => false]];
2569 $thread = Post::selectFirstThread(['received'], $condition, $params);
2570 if (DBA::isResult($thread)) {
2571 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2578 * add/remove activity to an item
2580 * Toggle activities as like,dislike,attend of an item
2582 * @param int $item_id
2583 * @param string $verb
2584 * Activity verb. One of
2585 * like, unlike, dislike, undislike, attendyes, unattendyes,
2586 * attendno, unattendno, attendmaybe, unattendmaybe,
2587 * announce, unannouce
2589 * @param string $allow_cid
2590 * @param string $allow_gid
2591 * @param string $deny_cid
2592 * @param string $deny_gid
2594 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2595 * @throws \ImagickException
2596 * @hook 'post_local_end'
2598 * 'post_id' => ID of posted item
2600 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
2606 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2608 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2609 if (!DBA::isResult($item)) {
2610 Logger::warning('Post had not been fetched', ['id' => $item_id]);
2614 $uri_id = $item['uri-id'];
2616 if (!in_array($item['uid'], [0, $uid])) {
2620 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2621 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid, ['post-reason' => Item::PR_ACTIVITY]);
2622 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2623 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2624 if (!DBA::isResult($item)) {
2625 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2631 // Retrieves the local post owner
2632 $owner = User::getOwnerDataById($uid);
2633 if (empty($owner)) {
2634 Logger::info('Empty owner for user', ['uid' => $uid]);
2638 // Retrieve the current logged in user's public contact
2639 $author_id = Contact::getPublicIdByUserId($uid);
2640 if (empty($author_id)) {
2641 Logger::info('Empty public contact');
2649 $activity = Activity::LIKE;
2653 $activity = Activity::DISLIKE;
2657 $activity = Activity::ATTEND;
2661 $activity = Activity::ATTENDNO;
2664 case 'unattendmaybe':
2665 $activity = Activity::ATTENDMAYBE;
2669 $activity = Activity::FOLLOW;
2673 $activity = Activity::ANNOUNCE;
2676 Logger::warning('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2680 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2682 // Enable activity toggling instead of on/off
2683 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2685 // Look for an existing verb row
2686 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2687 if ($event_verb_flag) {
2688 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2690 // Translate to the index based activity index
2692 foreach ($verbs as $verb) {
2693 $vids[] = Verb::getID($verb);
2696 $vids = Verb::getID($activity);
2699 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => self::GRAVITY_ACTIVITY,
2700 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2701 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2703 if (DBA::isResult($like_item)) {
2705 * Truth table for existing activities
2707 * | Inputs || Outputs |
2708 * |----------------------------||-------------------|
2709 * | Mode | Event | Same verb || Delete? | Return? |
2710 * |--------|-------|-----------||---------|---------|
2711 * | create | Yes | Yes || No | Yes |
2712 * | create | Yes | No || Yes | No |
2713 * | create | No | Yes || No | Yes |
2714 * | create | No | No || N/A†|
2715 * | delete | Yes | Yes || Yes | N/A‡ |
2716 * | delete | Yes | No || No | N/A‡ |
2717 * | delete | No | Yes || Yes | N/A‡ |
2718 * | delete | No | No || N/A†|
2719 * |--------|-------|-----------||---------|---------|
2720 * | A | B | C || A xor C | !B or C |
2722 * †Can't happen: It's impossible to find an existing non-event activity without
2723 * the same verb because we are only looking for this single verb.
2725 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2727 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2728 self::markForDeletionById($like_item['id']);
2731 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2736 // No need to go further if we aren't creating anything
2737 if ($mode == 'delete') {
2741 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2744 'guid' => System::createUUID(),
2745 'uri' => self::newURI(),
2747 'contact-id' => $owner['id'],
2748 'wall' => $item['wall'],
2750 'network' => Protocol::DFRN,
2751 'protocol' => Conversation::PARCEL_DIRECT,
2752 'direction' => Conversation::PUSH,
2753 'gravity' => self::GRAVITY_ACTIVITY,
2754 'parent' => $item['id'],
2755 'thr-parent' => $item['uri'],
2756 'owner-id' => $author_id,
2757 'author-id' => $author_id,
2758 'body' => $activity,
2759 'verb' => $activity,
2760 'object-type' => $objtype,
2761 'allow_cid' => $allow_cid ?? $item['allow_cid'],
2762 'allow_gid' => $allow_gid ?? $item['allow_gid'],
2763 'deny_cid' => $deny_cid ?? $item['deny_cid'],
2764 'deny_gid' => $deny_gid ?? $item['deny_gid'],
2769 if (in_array($activity, [Activity::LIKE, Activity::DISLIKE])) {
2770 $signed = Diaspora::createLikeSignature($uid, $new_item);
2771 if (!empty($signed)) {
2772 $new_item['diaspora_signed_text'] = json_encode($signed);
2776 self::insert($new_item, true);
2778 // If the parent item isn't visible then set it to visible
2779 // @todo Check if this is still needed
2780 if (!$item['visible']) {
2781 self::update(['visible' => true], ['id' => $item['id']]);
2787 * Fetch the SQL condition for the given user id
2789 * @param integer $owner_id User ID for which the permissions should be fetched
2790 * @return array condition
2792 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
2794 $local_user = DI::userSession()->getLocalUserId();
2795 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
2797 // default permissions - anonymous user
2798 $condition = ["`private` != ?", self::PRIVATE];
2800 if ($local_user && ($local_user == $owner_id)) {
2801 // Profile owner - everything is visible
2803 } elseif ($remote_user) {
2804 // Authenticated visitor - fetch the matching permissionsets
2805 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2807 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2808 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2809 self::PRIVATE, self::PRIVATE];
2810 $condition = array_merge($condition, $permissionSets->column('id'));
2818 * Get a permission SQL string for the given user
2820 * @param int $owner_id
2821 * @param string $table
2824 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
2826 $local_user = DI::userSession()->getLocalUserId();
2827 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
2829 if (!empty($table)) {
2830 $table = DBA::quoteIdentifier($table) . '.';
2834 * Construct permissions
2836 * default permissions - anonymous user
2838 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2840 // Profile owner - everything is visible
2841 if ($local_user && ($local_user == $owner_id)) {
2843 } elseif ($remote_user) {
2845 * Authenticated visitor. Unless pre-verified,
2846 * check that the contact belongs to this $owner_id
2847 * and load the groups the visitor belongs to.
2848 * If pre-verified, the caller is expected to have already
2849 * done this and passed the groups into this function.
2851 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2854 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2859 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2866 * get translated item type
2868 * @param array $item
2869 * @param \Friendica\Core\L10n $l10n
2872 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
2874 if (!empty($item['event-id'])) {
2875 return $l10n->t('event');
2876 } elseif (!empty($item['resource-id'])) {
2877 return $l10n->t('photo');
2878 } elseif ($item['gravity'] == self::GRAVITY_ACTIVITY) {
2879 return $l10n->t('activity');
2880 } elseif ($item['gravity'] == self::GRAVITY_COMMENT) {
2881 return $l10n->t('comment');
2884 return $l10n->t('post');
2888 * Sets the "rendered-html" field of the provided item
2890 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2892 * @param array $item
2894 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2895 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2897 private static function putInCache(&$item)
2899 // Save original body to prevent addons to modify it
2900 $body = $item['body'];
2902 $rendered_hash = $item['rendered-hash'] ?? '';
2903 $rendered_html = $item['rendered-html'] ?? '';
2905 if ($rendered_hash == ''
2906 || $rendered_html == ''
2907 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2908 || DI::config()->get('system', 'ignore_cache')
2910 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
2911 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2913 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2914 Hook::callAll('put_item_in_cache', $hook_data);
2915 $item['rendered-html'] = $hook_data['rendered-html'];
2916 $item['rendered-hash'] = $hook_data['rendered-hash'];
2919 // Update if the generated values differ from the existing ones
2920 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2923 'rendered-html' => $item['rendered-html'],
2924 'rendered-hash' => $item['rendered-hash']
2926 ['id' => $item['id']]
2931 $item['body'] = $body;
2935 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2936 * If attach is true, also add icons for item attachments.
2938 * @param array $item Record from item table
2939 * @param boolean $attach If true, add icons for item attachments as well
2940 * @param boolean $is_preview Whether this is a preview
2941 * @param boolean $only_cache Whether only cached HTML should be updated
2942 * @return string item body html
2943 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2944 * @throws \ImagickException
2945 * @hook prepare_body_init item array before any work
2946 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2947 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2948 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2950 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
2953 Hook::callAll('prepare_body_init', $item);
2955 // In order to provide theme developers more possibilities, event items
2956 // are treated differently.
2957 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2958 $ev = Event::getItemHTML($item);
2962 $tags = Tag::populateFromItem($item);
2964 $item['tags'] = $tags['tags'];
2965 $item['hashtags'] = $tags['hashtags'];
2966 $item['mentions'] = $tags['mentions'];
2968 $body = $item['body'] ?? '';
2970 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network', 'has-media'];
2975 $shared = DI::contentItem()->getSharedPost($item, $fields);
2976 if (!empty($shared['post'])) {
2977 $shared_item = $shared['post'];
2978 $quote_uri_id = $shared['post']['uri-id'];
2979 $shared_links[] = strtolower($shared['post']['uri']);
2980 $item['body'] = BBCode::removeSharedData($item['body']);
2981 } elseif (empty($shared_item['uri-id']) && empty($item['quote-uri-id'])) {
2982 $media = Post\Media::getByURIId($item['uri-id'], [Post\Media::ACTIVITY]);
2983 if (!empty($media)) {
2984 $shared_item = Post::selectFirst($fields, ['plink' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
2986 if (empty($shared_item['uri-id'])) {
2987 $shared_item = Post::selectFirst($fields, ['uri' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
2988 $shared_links[] = strtolower($media[0]['url']);
2991 $quote_uri_id = $shared_item['uri-id'] ?? 0;
2995 if (!empty($quote_uri_id)) {
2996 $item['body'] .= "\n" . DI::contentItem()->createSharedBlockByArray($shared_item);
2999 if (!empty($shared_item['uri-id'])) {
3000 $shared_uri_id = $shared_item['uri-id'];
3001 $shared_links[] = strtolower($shared_item['plink']);
3002 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, $shared_item['guid'], [], $shared_item['has-media']);
3003 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
3004 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
3005 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
3006 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
3009 $attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links, $item['has-media'] ?? false);
3010 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
3012 $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
3013 self::putInCache($item);
3014 $item['body'] = $body;
3015 $s = $item["rendered-html"];
3021 // Compile eventual content filter reasons
3022 $filter_reasons = [];
3023 if (!$is_preview && DI::userSession()->getPublicContactId() != $item['author-id']) {
3024 if (!empty($item['content-warning']) && (!DI::userSession()->getLocalUserId() || !DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'disable_cw', false))) {
3025 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3028 $item['attachments'] = $attachments;
3032 'filter_reasons' => $filter_reasons
3034 Hook::callAll('prepare_body_content_filter', $hook_data);
3035 $filter_reasons = $hook_data['filter_reasons'];
3042 'preview' => $is_preview,
3043 'filter_reasons' => $filter_reasons
3045 Hook::callAll('prepare_body', $hook_data);
3046 $s = $hook_data['html'];
3050 // Replace the blockquotes with quotes that are used in mails.
3051 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3052 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3056 if (!empty($shared_attachments)) {
3057 $s = self::addVisualAttachments($shared_attachments, $item, $s, true);
3058 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, []);
3059 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
3060 $body = BBCode::removeSharedData($body);
3063 $s = self::addVisualAttachments($attachments, $item, $s, false);
3064 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
3065 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
3066 $s = self::addQuestions($item, $s);
3069 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3070 $x = Map::byCoordinates(trim($item['coord']));
3072 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3076 // Replace friendica image url size with theme preference.
3077 if (!empty($a->getThemeInfoValue('item_image_size'))) {
3078 $ps = $a->getThemeInfoValue('item_image_size');
3079 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3082 $s = HTML::applyContentFilter($s, $filter_reasons);
3084 $hook_data = ['item' => $item, 'html' => $s];
3085 Hook::callAll('prepare_body_final', $hook_data);
3087 return $hook_data['html'];
3091 * Check if the body contains a link
3093 * @param string $body
3094 * @param string $url
3098 public static function containsLink(string $body, string $url, int $type = 0): bool
3100 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
3101 $urlparts = parse_url($url);
3102 if (!empty($urlparts)) {
3103 unset($urlparts['query']);
3104 unset($urlparts['fragment']);
3105 $url = (string)Uri::fromParts($urlparts);
3110 // Remove media links to only search in embedded content
3111 // @todo Check images for image link, audio for audio links, ...
3112 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
3113 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
3116 if (strpos($body, $url)) {
3119 foreach ([0, 1, 2] as $size) {
3120 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
3121 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
3129 * Replace visual attachments in the body
3131 * @param array $attachments
3132 * @param string $body
3133 * @return string modified body
3135 private static function replaceVisualAttachments(array $attachments, string $body): string
3137 DI::profiler()->startRecording('rendering');
3139 foreach ($attachments['visual'] as $attachment) {
3140 if (!empty($attachment['preview'])) {
3141 $proxy = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3142 $search = ['[img=' . $attachment['preview'] . ']', ']' . $attachment['preview'] . '[/img]'];
3143 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3145 $body = str_replace($search, $replace, $body);
3146 } elseif ($attachment['filetype'] == 'image') {
3147 $proxy = Post\Media::getUrlForId($attachment['id']);
3148 $search = ['[img=' . $attachment['url'] . ']', ']' . $attachment['url'] . '[/img]'];
3149 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3151 $body = str_replace($search, $replace, $body);
3154 DI::profiler()->stopRecording();
3159 * Add visual attachments to the content
3161 * @param array $attachments
3162 * @param array $item
3163 * @param string $content
3164 * @return string modified content
3166 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared): string
3168 DI::profiler()->startRecording('rendering');
3172 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
3173 foreach ($attachments['visual'] as $attachment) {
3174 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
3178 if (!empty($attachment['preview'])) {
3179 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3184 if (($attachment['filetype'] == 'video')) {
3185 /// @todo Move the template to /content as well
3186 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3188 'id' => $attachment['id'],
3189 'src' => $attachment['url'],
3190 'name' => $attachment['name'] ?: $attachment['url'],
3191 'preview' => $preview_url,
3192 'mime' => $attachment['mimetype'],
3195 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3198 $trailing .= $media;
3200 } elseif ($attachment['filetype'] == 'audio') {
3201 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3203 'id' => $attachment['id'],
3204 'src' => $attachment['url'],
3205 'name' => $attachment['name'] ?: $attachment['url'],
3206 'mime' => $attachment['mimetype'],
3209 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3212 $trailing .= $media;
3214 } elseif ($attachment['filetype'] == 'image') {
3215 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
3217 'src' => Post\Media::getUrlForId($attachment['id']),
3218 'preview' => Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE),
3219 'attachment' => $attachment,
3222 // On Diaspora posts the attached pictures are leading
3223 if ($item['network'] == Protocol::DIASPORA) {
3226 $trailing .= $media;
3232 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . BBCode::TOP_ANCHOR, $content);
3233 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>' . BBCode::BOTTOM_ANCHOR, $content);
3235 if ($leading != '') {
3236 $content = '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . $content;
3239 if ($trailing != '') {
3240 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3244 DI::profiler()->stopRecording();
3249 * Add link attachment to the content
3251 * @param array $attachments
3252 * @param string $body
3253 * @param string $content
3254 * @param bool $shared
3255 * @param array $ignore_links A list of URLs to ignore
3256 * @return string modified content
3258 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3260 DI::profiler()->startRecording('rendering');
3261 // Don't show a preview when there is a visual attachment (audio or video)
3262 $types = array_column($attachments['visual'], 'type');
3263 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
3265 if (!empty($attachments['link'])) {
3266 foreach ($attachments['link'] as $link) {
3268 foreach ($ignore_links as $ignore_link) {
3269 if (Strings::compareLink($link['url'], $ignore_link)) {
3273 // @todo Judge between the links to use the one with most information
3274 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
3275 (empty($attachment['name']) && !empty($link['name'])) ||
3276 (empty($attachment['description']) && !empty($link['description'])) ||
3277 (empty($attachment['preview']) && !empty($link['preview'])))) {
3278 $attachment = $link;
3283 if (!empty($attachment)) {
3286 'author_name' => $attachment['author-name'] ?? '',
3287 'author_url' => $attachment['author-url'] ?? '',
3288 'description' => $attachment['description'] ?? '',
3291 'provider_name' => $attachment['publisher-name'] ?? '',
3292 'provider_url' => $attachment['publisher-url'] ?? '',
3294 'title' => $attachment['name'] ?? '',
3296 'url' => $attachment['url']];
3298 if ($preview && !empty($attachment['preview'])) {
3299 if ($attachment['preview-width'] >= 500) {
3300 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3302 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3306 if (!empty($data['description']) && !empty($content)) {
3307 similar_text($data['description'], $content, $percent);
3312 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3313 $data['description'] = '';
3316 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3317 $data['author_name'] = '';
3320 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3321 $data['author_url'] = '';
3323 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3324 $data = BBCode::getAttachmentData($match[1]);
3326 DI::profiler()->stopRecording();
3328 if (isset($data['url']) && !in_array(strtolower($data['url']), $ignore_links)) {
3329 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview'])) {
3330 $parts = parse_url($data['url']);
3331 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3332 if (empty($data['provider_name'])) {
3333 $data['provider_name'] = $parts['host'];
3335 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3336 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3338 if (!empty($parts['port'])) {
3339 $data['provider_url'] .= ':' . $parts['port'];
3344 // @todo Use a template
3345 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid);
3346 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3347 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3348 '$url' => $data['url'],
3349 '$title' => $data['title'],
3356 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3358 return $content . $rendered;
3365 * Add non visual attachments to the content
3367 * @param array $attachments
3368 * @param array $item
3369 * @param string $content
3370 * @return string modified content
3372 private static function addNonVisualAttachments(array $attachments, array $item, string $content): string
3374 DI::profiler()->startRecording('rendering');
3376 foreach ($attachments['additional'] as $attachment) {
3377 if (strpos($item['body'], $attachment['url'])) {
3381 $author = ['uid' => 0, 'id' => $item['author-id'],
3382 'network' => $item['author-network'], 'url' => $item['author-link']];
3383 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3385 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3387 if (!empty($attachment['size'])) {
3388 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3391 /// @todo Use a template
3392 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3393 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3396 if ($trailing != '') {
3397 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3400 DI::profiler()->stopRecording();
3404 private static function addQuestions(array $item, string $content): string
3406 DI::profiler()->startRecording('rendering');
3407 if (!empty($item['question-id'])) {
3409 'id' => $item['question-id'],
3410 'multiple' => $item['question-multiple'],
3411 'voters' => $item['question-voters'],
3412 'endtime' => $item['question-end-time']
3415 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3416 foreach ($options as $key => $option) {
3417 if ($question['voters'] > 0) {
3418 $percent = $option['replies'] / $question['voters'] * 100;
3419 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%3$d%%, %1$d vote)', '%2$s (%3$d%%, %1$d votes)', $option['replies'], $option['name'], round($percent, 1));
3421 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%1$d vote)', '%2$s (%1$d votes)', $option['replies'], $option['name'], );
3425 if (!empty($question['voters']) && !empty($question['endtime'])) {
3426 $summary = DI::l10n()->tt('%d voter. Poll end: %s', '%d voters. Poll end: %s', $question['voters'], Temporal::getRelativeDate($question['endtime']));
3427 } elseif (!empty($question['voters'])) {
3428 $summary = DI::l10n()->tt('%d voter.', '%d voters.', $question['voters']);
3429 } elseif (!empty($question['endtime'])) {
3430 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3435 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3436 '$question' => $question,
3437 '$options' => $options,
3438 '$summary' => $summary,
3441 DI::profiler()->stopRecording();
3446 * get private link for item
3448 * @param array $item
3449 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3450 * @throws \Exception
3452 public static function getPlink(array $item)
3454 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3455 $plink = $item['plink'];
3456 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3457 $plink = $item['uri'];
3460 if (DI::userSession()->getLocalUserId()) {
3462 'href' => "display/" . $item['guid'],
3463 'orig' => "display/" . $item['guid'],
3464 'title' => DI::l10n()->t('View on separate page'),
3465 'orig_title' => DI::l10n()->t('View on separate page'),
3468 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3469 $author = ['uid' => 0, 'id' => $item['author-id'],
3470 'network' => $item['author-network'], 'url' => $item['author-link']];
3471 $plink = Contact::magicLinkByContact($author, $plink);
3474 if (!empty($plink)) {
3475 $ret['href'] = DI::baseUrl()->remove($plink);
3476 $ret['title'] = DI::l10n()->t('Link to source');
3478 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3482 'title' => DI::l10n()->t('Link to source'),
3483 'orig_title' => DI::l10n()->t('Link to source'),
3493 * Does the given uri-id belongs to a post that is sent as starting post to a forum?
3495 * @param int $uri_id
3497 * @return boolean "true" when it is a forum post
3499 public static function isForumPost(int $uri_id): bool
3501 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION]) as $tag) {
3502 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3510 * Search item id for given URI or plink
3512 * @param string $uri
3513 * @param integer $uid
3515 * @return integer item id
3517 public static function searchByLink(string $uri, int $uid = 0): int
3519 $ssl_uri = str_replace('http://', 'https://', $uri);
3520 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3522 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3523 if (DBA::isResult($item)) {
3527 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3528 if (DBA::isResult($item)) {
3536 * Return the URI for a link to the post
3538 * @param string $uri URI or link to post
3540 * @return string URI
3542 public static function getURIByLink(string $uri): string
3544 $ssl_uri = str_replace('http://', 'https://', $uri);
3545 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3547 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3548 if (DBA::isResult($item)) {
3549 return $item['uri'];
3552 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3553 if (DBA::isResult($item)) {
3554 return $item['uri'];
3561 * Fetches item for given URI or plink
3563 * @param string $uri
3564 * @param integer $uid
3566 * @return integer item id
3568 public static function fetchByLink(string $uri, int $uid = 0): int
3570 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3571 $item_id = self::searchByLink($uri, $uid);
3572 if (!empty($item_id)) {
3573 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3583 Hook::callAll('item_by_link', $hookData);
3585 if (isset($hookData['item_id'])) {
3586 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3589 $fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri);
3592 $item_id = self::searchByLink($fetched_uri, $uid);
3594 $item_id = Diaspora::fetchByURL($uri);
3597 if (!empty($item_id)) {
3598 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3602 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3607 * Check a prospective item array against user-level permissions
3609 * @param array $item Expected keys: uri, gravity, and
3610 * author-link if is author-id is set,
3611 * owner-link if is owner-id is set,
3612 * causer-link if is causer-id is set.
3613 * @param int $user_id Local user ID
3615 * @throws \Exception
3617 protected static function isAllowedByUser(array $item, int $user_id): bool
3619 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3620 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3624 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3625 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3629 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3630 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3631 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3635 if (!empty($item['causer-id']) && ($item['gravity'] === self::GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3636 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3644 * Fetch the uri-id of a quote
3646 * @param string $body
3649 public static function getQuoteUriId(string $body, int $uid = 0): int
3651 $shared = BBCode::fetchShareAttributes($body);
3652 if (empty($shared['guid']) && empty($shared['message_id'])) {
3656 if (empty($shared['link']) && empty($shared['message_id'])) {
3657 Logger::notice('Invalid share block.', ['share' => $shared]);
3661 if (!empty($shared['guid'])) {
3662 $shared_item = Post::selectFirst(['uri-id'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3663 if (!empty($shared_item['uri-id'])) {
3664 Logger::debug('Found post by guid', ['guid' => $shared['guid'], 'uid' => $uid]);
3665 return $shared_item['uri-id'];
3669 if (!empty($shared['message_id'])) {
3670 $shared_item = Post::selectFirst(['uri-id'], ['uri' => $shared['message_id'], 'uid' => [0, $uid]]);
3671 if (!empty($shared_item['uri-id'])) {
3672 Logger::debug('Found post by message_id', ['message_id' => $shared['message_id'], 'uid' => $uid]);
3673 return $shared_item['uri-id'];
3677 if (!empty($shared['link'])) {
3678 $shared_item = Post::selectFirst(['uri-id'], ['plink' => $shared['link'], 'uid' => [0, $uid]]);
3679 if (!empty($shared_item['uri-id'])) {
3680 Logger::debug('Found post by link', ['link' => $shared['link'], 'uid' => $uid]);
3681 return $shared_item['uri-id'];
3685 $url = $shared['message_id'] ?: $shared['link'];
3686 $id = self::fetchByLink($url);
3688 Logger::notice('Post could not be fetched.', ['url' => $url, 'uid' => $uid]);
3692 $shared_item = Post::selectFirst(['uri-id'], ['id' => $id]);
3693 if (!empty($shared_item['uri-id'])) {
3694 Logger::debug('Fetched shared post', ['id' => $id, 'url' => $url, 'uid' => $uid]);
3695 return $shared_item['uri-id'];
3698 Logger::warning('Post does not exist although it was supposed to had been fetched.', ['id' => $id, 'url' => $url, 'uid' => $uid]);