3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
36 use Friendica\Model\Post;
37 use Friendica\Protocol\Activity;
38 use Friendica\Protocol\ActivityPub;
39 use Friendica\Protocol\Diaspora;
40 use Friendica\Util\DateTimeFormat;
41 use Friendica\Util\Map;
42 use Friendica\Util\Network;
43 use Friendica\Util\Strings;
44 use Friendica\Worker\Delivery;
45 use LanguageDetection\Language;
49 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
56 const PT_DOCUMENT = 19;
63 const PT_FOLLOWER = 69;
64 const PT_ANNOUNCEMENT = 70;
65 const PT_COMMENT = 71;
69 const PT_FETCHED = 75;
70 const PT_PERSONAL_NOTE = 128;
72 // Field list that is used to display the items
73 const DISPLAY_FIELDLIST = [
74 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
75 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
76 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
77 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
78 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
79 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
80 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
81 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type',
82 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
83 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
84 'writable', 'self', 'cid', 'alias',
85 'event-created', 'event-edited', 'event-start', 'event-finish',
86 'event-summary', 'event-desc', 'event-location', 'event-type',
87 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
88 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
91 // Field list that is used to deliver items via the protocols
92 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
93 'parent-guid', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
94 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
95 'inform', 'deleted', 'extid', 'post-type', 'gravity',
96 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
97 'author-id', 'author-link', 'owner-id', 'owner-link', 'contact-uid',
98 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'forum_mode', 'origin',
99 'thr-parent-id', 'parent-uri-id', 'postopts', 'pubmail',
100 'event-created', 'event-edited', 'event-start', 'event-finish',
101 'event-summary', 'event-desc', 'event-location', 'event-type',
102 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
104 // All fields in the item table
105 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
106 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
107 'contact-id', 'wall', 'gravity', 'extid', 'psid',
108 'created', 'edited', 'commented', 'received', 'changed', 'verb',
109 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
110 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
111 'private', 'pubmail', 'visible', 'starred',
112 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
113 'title', 'content-warning', 'body', 'location', 'coord', 'app',
114 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
115 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
116 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
118 // List of all verbs that don't need additional content data.
119 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
121 Activity::LIKE, Activity::DISLIKE,
122 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
131 * Update existing item entries
133 * @param array $fields The fields that are to be changed
134 * @param array $condition The condition for finding the item entries
136 * In the future we may have to change permissions as well.
137 * Then we had to add the user id as third parameter.
139 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
141 * @return integer|boolean number of affected rows - or "false" if there was an error
142 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
144 public static function update(array $fields, array $condition)
146 if (empty($condition) || empty($fields)) {
150 if (!empty($fields['verb'])) {
151 $fields['vid'] = Verb::getID($fields['verb']);
154 $rows = Post::update($fields, $condition);
155 if (is_bool($rows)) {
159 // We only need to call the line by line update for specific fields
160 if (empty($fields['body']) && empty($fields['file']) &&
161 empty($fields['attach']) && empty($fields['edited'])) {
165 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
167 $items = Post::select(['id', 'origin', 'uri-id', 'uid'], $condition);
171 while ($item = DBA::fetch($items)) {
172 if (!empty($fields['body'])) {
173 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
175 // Remove all media attachments from the body and store them in the post-media table
176 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
177 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
180 if (!empty($fields['file'])) {
181 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
184 if (!empty($fields['attach'])) {
185 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
188 // We only need to notfiy others when it is an original entry from us.
189 // Only call the notifier when the item has some content relevant change.
190 if ($item['origin'] && in_array('edited', array_keys($fields))) {
191 $notify_items[] = $item['id'];
197 foreach ($notify_items as $notify_item) {
198 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
199 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
206 * Delete an item and notify others about it - if it was ours
208 * @param array $condition The condition for finding the item entries
209 * @param integer $priority Priority for the notification
210 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
212 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
214 $items = Post::select(['id'], $condition);
215 while ($item = Post::fetch($items)) {
216 self::markForDeletionById($item['id'], $priority);
222 * Delete an item for an user and notify others about it - if it was ours
224 * @param array $condition The condition for finding the item entries
225 * @param integer $uid User who wants to delete this item
226 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
228 public static function deleteForUser($condition, $uid)
234 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
235 while ($item = Post::fetch($items)) {
236 if (in_array($item['uid'], [$uid, 0])) {
237 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
238 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
241 if ($item['uid'] == $uid) {
242 self::markForDeletionById($item['id'], PRIORITY_HIGH);
243 } elseif ($item['uid'] != 0) {
244 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
251 * Mark an item for deletion, delete related data and notify others about it - if it was ours
253 * @param integer $item_id
254 * @param integer $priority Priority for the notification
256 * @return boolean success
257 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
259 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
261 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
262 // locate item to be deleted
263 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
264 'deleted', 'resource-id', 'event-id',
265 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
266 $item = Post::selectFirst($fields, ['id' => $item_id]);
267 if (!DBA::isResult($item)) {
268 Logger::info('Item not found.', ['id' => $item_id]);
272 if ($item['deleted']) {
273 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
277 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
278 if (!DBA::isResult($parent)) {
279 $parent = ['origin' => false];
282 // clean up categories and tags so they don't end up as orphans
283 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
286 * If item is a link to a photo resource, nuke all the associated photos
287 * (visitors will not have photo resources)
288 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
289 * generate a resource-id and therefore aren't intimately linked to the item.
291 /// @TODO: this should first check if photo is used elsewhere
292 if (strlen($item['resource-id'])) {
293 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
296 // If item is a link to an event, delete the event.
297 if (intval($item['event-id'])) {
298 Event::delete($item['event-id']);
301 // If item has attachments, drop them
302 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
303 foreach($attachments as $attachment) {
304 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
305 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
309 // Set the item to "deleted"
310 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
311 Post::update($item_fields, ['id' => $item['id']]);
313 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
315 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
316 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
319 Post\DeliveryData::delete($item['uri-id']);
321 // When the permission set will be used in photo and events as well,
322 // this query here needs to be extended.
323 // @todo Currently deactivated. We need the permission set in the deletion process.
324 // This is a reminder to add the removal somewhere else.
325 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
326 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
329 // If it's the parent of a comment thread, kill all the kids
330 if ($item['gravity'] == GRAVITY_PARENT) {
331 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
334 // Is it our comment and/or our thread?
335 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
336 // When we delete the original post we will delete all existing copies on the server as well
337 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
339 // send the notification upstream/downstream
341 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
343 } elseif ($item['uid'] != 0) {
344 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
345 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
348 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
353 private static function guid($item, $notify)
355 if (!empty($item['guid'])) {
356 return Strings::escapeTags(trim($item['guid']));
360 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
361 // We add the hash of our own host because our host is the original creator of the post.
362 $prefix_host = DI::baseUrl()->getHostname();
366 // We are only storing the post so we create a GUID from the original hostname.
367 if (!empty($item['author-link'])) {
368 $parsed = parse_url($item['author-link']);
369 if (!empty($parsed['host'])) {
370 $prefix_host = $parsed['host'];
374 if (empty($prefix_host) && !empty($item['plink'])) {
375 $parsed = parse_url($item['plink']);
376 if (!empty($parsed['host'])) {
377 $prefix_host = $parsed['host'];
381 if (empty($prefix_host) && !empty($item['uri'])) {
382 $parsed = parse_url($item['uri']);
383 if (!empty($parsed['host'])) {
384 $prefix_host = $parsed['host'];
388 // Is it in the format data@host.tld? - Used for mail contacts
389 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
390 $mailparts = explode('@', $item['author-link']);
391 $prefix_host = array_pop($mailparts);
395 if (!empty($item['plink'])) {
396 $guid = self::guidFromUri($item['plink'], $prefix_host);
397 } elseif (!empty($item['uri'])) {
398 $guid = self::guidFromUri($item['uri'], $prefix_host);
400 $guid = System::createUUID(hash('crc32', $prefix_host));
406 private static function contactId($item)
408 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
409 return $item['contact-id'];
410 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
411 return $item['contact-id'];
412 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
413 return $item['author-id'];
414 } elseif (!empty($item['contact-id'])) {
415 return $item['contact-id'];
417 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
418 if (!empty($contact_id)) {
422 return $item['author-id'];
426 * Write an item array into a spool file to be inserted later.
427 * This command is called whenever there are issues storing an item.
429 * @param array $item The item fields that are to be inserted
432 private static function spool($orig_item)
434 // Now we store the data in the spool directory
435 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
436 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
438 $spoolpath = get_spoolpath();
439 if ($spoolpath != "") {
440 $spool = $spoolpath . '/' . $file;
442 file_put_contents($spool, json_encode($orig_item));
443 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
448 * Check if the item array is a duplicate
451 * @return boolean is it a duplicate?
453 private static function isDuplicate(array $item)
455 // Checking if there is already an item with the same guid
456 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
457 if (Post::exists($condition)) {
458 Logger::notice('Found already existing item', [
459 'guid' => $item['guid'],
460 'uid' => $item['uid'],
461 'network' => $item['network']
466 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
467 'network' => [$item['network'], Protocol::DFRN]];
468 if (Post::exists($condition)) {
469 Logger::notice('duplicated item with the same uri found.', $item);
473 // On Friendica and Diaspora the GUID is unique
474 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
475 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
476 if (Post::exists($condition)) {
477 Logger::notice('duplicated item with the same guid found.', $item);
480 } elseif ($item['network'] == Protocol::OSTATUS) {
481 // Check for an existing post with the same content. There seems to be a problem with OStatus.
482 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
483 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
484 if (Post::exists($condition)) {
485 Logger::notice('duplicated item with the same body found.', $item);
491 * Check for already added items.
492 * There is a timing issue here that sometimes creates double postings.
493 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
495 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
496 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
504 * Check if the item array is valid
507 * @return boolean item is valid
509 public static function isValid(array $item)
511 // When there is no content then we don't post it
512 if ($item['body'] . $item['title'] == '') {
513 Logger::notice('No body, no title.');
517 if (!empty($item['uid'])) {
518 $owner = User::getOwnerDataById($item['uid'], false);
520 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
524 if ($owner['account_expired'] || $owner['account_removed']) {
525 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
530 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
531 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
535 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
536 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
540 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
541 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
545 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
546 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
550 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
554 if ($item['verb'] == Activity::FOLLOW) {
555 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
556 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
557 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
561 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
562 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
563 if (Post::exists($condition)) {
564 // It happens that we receive multiple follow requests by the same author - we only store one.
565 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
574 * Check if the item array is too old
577 * @return boolean item is too old
579 public static function isTooOld(array $item)
581 // check for create date and expire time
582 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
584 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
585 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
586 $expire_interval = $user['expire'];
589 if (($expire_interval > 0) && !empty($item['created'])) {
590 $expire_date = time() - ($expire_interval * 86400);
591 $created_date = strtotime($item['created']);
592 if ($created_date < $expire_date) {
593 Logger::notice('Item created before expiration interval.', [
594 'created' => date('c', $created_date),
595 'expired' => date('c', $expire_date),
606 * Return the id of the given item array if it has been stored before
609 * @return integer item id
611 private static function getDuplicateID(array $item)
613 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
614 $condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
615 $item['uri-id'], $item['uid'],
616 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
617 $existing = Post::selectFirst(['id', 'network'], $condition);
618 if (DBA::isResult($existing)) {
619 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
620 if ($item['uid'] != 0) {
621 Logger::notice('Item already existed for user', [
622 'uri-id' => $item['uri-id'],
623 'uid' => $item['uid'],
624 'network' => $item['network'],
625 'existing_id' => $existing["id"],
626 'existing_network' => $existing["network"]
630 return $existing["id"];
637 * Fetch top-level parent data for the given item array
640 * @return array item array with parent data
643 private static function getTopLevelParent(array $item)
645 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
646 'uri-id', 'parent-uri-id',
647 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
648 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
649 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
650 $params = ['order' => ['id' => false]];
651 $parent = Post::selectFirst($fields, $condition, $params);
653 if (!DBA::isResult($parent)) {
654 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
658 if ($parent['uri-id'] == $parent['parent-uri-id']) {
662 $condition = ['uri-id' => $parent['parent-uri-id'],
663 'parent-uri-id' => $parent['parent-uri-id'],
664 'uid' => $parent['uid']];
665 $params = ['order' => ['id' => false]];
666 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
667 if (!DBA::isResult($toplevel_parent)) {
668 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
672 return $toplevel_parent;
676 * Get the gravity for the given item array
679 * @return integer gravity
681 private static function getGravity(array $item)
683 $activity = DI::activity();
685 if (isset($item['gravity'])) {
686 return intval($item['gravity']);
687 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
688 return GRAVITY_PARENT;
689 } elseif ($activity->match($item['verb'], Activity::POST)) {
690 return GRAVITY_COMMENT;
691 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
692 return GRAVITY_ACTIVITY;
693 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
694 return GRAVITY_ACTIVITY;
696 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
697 return GRAVITY_UNKNOWN; // Should not happen
700 public static function insert($item, $notify = false, $dontcache = false)
704 $priority = PRIORITY_HIGH;
706 // If it is a posting where users should get notifications, then define it as wall posting
710 $item['network'] = Protocol::DFRN;
711 $item['protocol'] = Conversation::PARCEL_DIRECT;
712 $item['direction'] = Conversation::PUSH;
714 if (in_array($notify, PRIORITIES)) {
718 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
721 $uid = intval($item['uid']);
723 $item['guid'] = self::guid($item, $notify);
724 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
727 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
729 // Backward compatibility: parent-uri used to be the direct parent uri.
730 // If it is provided without a thr-parent, it probably is the old behavior.
731 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
732 $item['parent-uri'] = $item['thr-parent'];
734 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
736 // Store conversation data
737 $item = Conversation::insert($item);
740 * Do we already have this item?
741 * We have to check several networks since Friendica posts could be repeated
742 * via OStatus (maybe Diasporsa as well)
744 $duplicate = self::getDuplicateID($item);
749 // Additional duplicate checks
750 /// @todo Check why the first duplication check returns the item number and the second a 0
751 if (self::isDuplicate($item)) {
755 $item['wall'] = intval($item['wall'] ?? 0);
756 $item['extid'] = trim($item['extid'] ?? '');
757 $item['author-name'] = trim($item['author-name'] ?? '');
758 $item['author-link'] = trim($item['author-link'] ?? '');
759 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
760 $item['owner-name'] = trim($item['owner-name'] ?? '');
761 $item['owner-link'] = trim($item['owner-link'] ?? '');
762 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
763 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
764 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
765 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
766 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
767 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
768 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
769 $item['location'] = trim($item['location'] ?? '');
770 $item['coord'] = trim($item['coord'] ?? '');
771 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
772 $item['deleted'] = 0;
773 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
774 $item['verb'] = trim($item['verb'] ?? '');
775 $item['object-type'] = trim($item['object-type'] ?? '');
776 $item['object'] = trim($item['object'] ?? '');
777 $item['target-type'] = trim($item['target-type'] ?? '');
778 $item['target'] = trim($item['target'] ?? '');
779 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
780 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
781 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
782 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
783 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
784 $item['private'] = intval($item['private'] ?? self::PUBLIC);
785 $item['body'] = trim($item['body'] ?? '');
786 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
787 $item['app'] = trim($item['app'] ?? '');
788 $item['origin'] = intval($item['origin'] ?? 0);
789 $item['postopts'] = trim($item['postopts'] ?? '');
790 $item['resource-id'] = trim($item['resource-id'] ?? '');
791 $item['event-id'] = intval($item['event-id'] ?? 0);
792 $item['inform'] = trim($item['inform'] ?? '');
793 $item['file'] = trim($item['file'] ?? '');
795 // Items cannot be stored before they happen ...
796 if ($item['created'] > DateTimeFormat::utcNow()) {
797 $item['created'] = DateTimeFormat::utcNow();
800 // We haven't invented time travel by now.
801 if ($item['edited'] > DateTimeFormat::utcNow()) {
802 $item['edited'] = DateTimeFormat::utcNow();
805 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
807 $item['gravity'] = self::getGravity($item);
809 $item['language'] = self::getLanguage($item);
811 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
812 'photo' => $item['author-avatar'], 'network' => $item['network']];
813 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
815 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
816 'photo' => $item['owner-avatar'], 'network' => $item['network']];
817 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
819 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
820 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
821 $item['post-type'] = self::PT_FOLLOWER;
824 // Ensure that there is an avatar cache
825 Contact::checkAvatarCache($item['author-id']);
826 Contact::checkAvatarCache($item['owner-id']);
828 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
829 $item["contact-id"] = self::contactId($item);
831 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
832 self::isTooOld($item)) {
833 Logger::info('Item is too old', ['item' => $item]);
837 if (!self::isValid($item)) {
841 if ($item['gravity'] !== GRAVITY_PARENT) {
842 $toplevel_parent = self::getTopLevelParent($item);
843 if (empty($toplevel_parent)) {
847 // If the thread originated from this node, we check the permission against the thread starter
848 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
849 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
850 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
854 $parent_id = $toplevel_parent['id'];
855 $item['parent-uri'] = $toplevel_parent['uri'];
856 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
857 $item['deleted'] = $toplevel_parent['deleted'];
858 $item['allow_cid'] = $toplevel_parent['allow_cid'];
859 $item['allow_gid'] = $toplevel_parent['allow_gid'];
860 $item['deny_cid'] = $toplevel_parent['deny_cid'];
861 $item['deny_gid'] = $toplevel_parent['deny_gid'];
862 $parent_origin = $toplevel_parent['origin'];
864 // Don't federate received participation messages
865 if ($item['verb'] != Activity::FOLLOW) {
866 $item['wall'] = $toplevel_parent['wall'];
868 $item['wall'] = false;
869 // Participations are technical messages, so they are set to "seen" automatically
870 $item['unseen'] = false;
874 * If the parent is private, force privacy for the entire conversation
875 * This differs from the above settings as it subtly allows comments from
876 * email correspondents to be private even if the overall thread is not.
878 if ($toplevel_parent['private']) {
879 $item['private'] = $toplevel_parent['private'];
883 * Edge case. We host a public forum that was originally posted to privately.
884 * The original author commented, but as this is a comment, the permissions
885 * weren't fixed up so it will still show the comment as private unless we fix it here.
887 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
888 $item['private'] = self::PUBLIC;
891 // If its a post that originated here then tag the thread as "mention"
892 if ($item['origin'] && $item['uid']) {
893 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
894 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
897 // Update the contact relations
898 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
901 $parent_origin = $item['origin'];
904 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
905 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
907 // Is this item available in the global items (with uid=0)?
908 if ($item["uid"] == 0) {
909 $item["global"] = true;
911 // Set the global flag on all items if this was a global item entry
912 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
914 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
918 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
919 $item["private"] = self::PRIVATE;
923 $item['edit'] = false;
924 $item['parent'] = $parent_id;
925 Hook::callAll('post_local', $item);
927 Hook::callAll('post_remote', $item);
930 if (!empty($item['cancel'])) {
931 Logger::log('post cancelled by addon.');
935 if (empty($item['vid']) && !empty($item['verb'])) {
936 $item['vid'] = Verb::getID($item['verb']);
939 // Creates or assigns the permission set
940 $item['psid'] = PermissionSet::getIdFromACL(
948 if (!empty($item['extid'])) {
949 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
952 if ($item['verb'] == Activity::ANNOUNCE) {
953 self::setOwnerforResharedItem($item);
956 // Remove all media attachments from the body and store them in the post-media table
957 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
958 $item['raw-body'] = self::setHashtags($item['raw-body']);
960 // Check for hashtags in the body and repair or add hashtag links
961 $item['body'] = self::setHashtags($item['body']);
963 // Fill the cache field
964 self::putInCache($item);
966 if (stristr($item['verb'], Activity::POKE)) {
967 $notify_type = Delivery::POKE;
969 $notify_type = Delivery::POST;
972 // Filling item related side tables
973 if (!empty($item['attach'])) {
974 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
977 if (empty($item['event-id'])) {
978 unset($item['event-id']);
981 Post::insert($item['uri-id'], $item);
983 if ($item['gravity'] == GRAVITY_PARENT) {
984 Post\Thread::insert($item['uri-id'], $item);
987 if (!in_array($item['verb'], self::ACTIVITIES)) {
988 Post\Content::insert($item['uri-id'], $item);
991 // Diaspora signature
992 if (!empty($item['diaspora_signed_text'])) {
993 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
996 // Attached file links
997 if (!empty($item['file'])) {
998 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1001 // Delivery relevant data
1002 $delivery_data = Post\DeliveryData::extractFields($item);
1004 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1005 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1008 // Store tags from the body if this hadn't been handled previously in the protocol classes
1009 if (!Tag::existsForPost($item['uri-id'])) {
1010 Tag::storeFromBody($item['uri-id'], $item['body']);
1013 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1014 if (Post::exists($condition)) {
1015 Logger::notice('Item is already inserted - aborting', $condition);
1019 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1020 if (!$post_user_id) {
1021 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1025 if ($item['gravity'] == GRAVITY_PARENT) {
1026 $item['post-user-id'] = $post_user_id;
1027 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1030 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1032 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1033 if (!DBA::isResult($posted_item)) {
1034 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1035 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1036 self::spool($orig_item);
1040 // update the commented timestamp on the parent
1041 if (DI::config()->get('system', 'like_no_comment')) {
1042 // Update when it is a comment
1043 $update_commented = in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1045 // Update when it isn't a follow or tag verb
1046 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1049 if ($update_commented) {
1050 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1052 $fields = ['changed' => DateTimeFormat::utcNow()];
1055 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1057 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1058 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1059 // Get the user information for the logging
1060 $user = User::getById($uid);
1062 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1068 Hook::callAll('post_local_end', $posted_item);
1070 Hook::callAll('post_remote_end', $posted_item);
1074 if ($posted_item['gravity'] === GRAVITY_PARENT) {
1075 self::addShadow($post_user_id);
1077 self::addShadowPost($post_user_id);
1080 self::updateContact($posted_item);
1082 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1084 check_user_notification($posted_item['uri-id'], $posted_item['uid']);
1086 // Distribute items to users who subscribed to their tags
1087 self::distributeByTags($posted_item);
1089 // Automatically reshare the item if the "remote_self" option is selected
1090 self::autoReshare($posted_item);
1092 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1095 // Don't relay participation messages
1096 if (($posted_item['verb'] == Activity::FOLLOW) &&
1097 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1098 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1104 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1107 return $post_user_id;
1111 * Change the owner of a parent item if it had been shared by a forum
1113 * (public) forum posts in the new format consist of the regular post by the author
1114 * followed by an announce message sent from the forum account.
1115 * Changing the owner helps in grouping forum posts.
1117 * @param array $item
1120 private static function setOwnerforResharedItem(array $item)
1122 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1123 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1124 if (!DBA::isResult($parent)) {
1125 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1129 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1130 if (!DBA::isResult($author)) {
1131 Logger::error('Author not found', ['id' => $item['author-id']]);
1135 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1136 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1137 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1141 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1142 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1143 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1147 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1148 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1151 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1152 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1156 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1157 Logger::info('Change owner of the parent', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'owner-id' => $item['author-id'], 'contact-id' => $cid]);
1161 * Distribute the given item to users who subscribed to their tags
1163 * @param array $item Processed item
1165 private static function distributeByTags(array $item)
1167 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1171 $uids = Tag::getUIDListByURIId($item['uri-id']);
1172 foreach ($uids as $uid) {
1173 if (Contact::isSharing($item['author-id'], $uid)) {
1176 $fields = ['post-type' => self::PT_TAG];
1179 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1180 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1185 * Distributes public items to the receivers
1187 * @param integer $itemid Item ID that should be added
1188 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1189 * @throws \Exception
1191 public static function distribute($itemid, $signed_text = '')
1193 $condition = ["`id` IN (SELECT `parent` FROM `post-view` WHERE `id` = ?)", $itemid];
1194 $parent = Post::selectFirst(['owner-id'], $condition);
1195 if (!DBA::isResult($parent)) {
1196 Logger::warning('Item not found', ['condition' => $condition]);
1200 // Only distribute public items from native networks
1201 $condition = ['id' => $itemid, 'uid' => 0,
1202 'network' => array_merge(Protocol::FEDERATED ,['']),
1203 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1204 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1205 if (!DBA::isResult($item)) {
1206 Logger::warning('Item not found', ['condition' => $condition]);
1210 $origin = $item['origin'];
1214 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1215 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1216 if (!DBA::isResult($owner)) {
1220 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1221 $contacts = DBA::select('contact', ['uid'], $condition);
1222 while ($contact = DBA::fetch($contacts)) {
1223 if ($contact['uid'] == 0) {
1227 $users[$contact['uid']] = $contact['uid'];
1229 DBA::close($contacts);
1231 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1232 $contacts = DBA::select('contact', ['uid'], $condition);
1233 while ($contact = DBA::fetch($contacts)) {
1234 if ($contact['uid'] == 0) {
1238 $users[$contact['uid']] = $contact['uid'];
1240 DBA::close($contacts);
1242 if (!empty($owner['alias'])) {
1243 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1244 $contacts = DBA::select('contact', ['uid'], $condition);
1245 while ($contact = DBA::fetch($contacts)) {
1246 if ($contact['uid'] == 0) {
1250 $users[$contact['uid']] = $contact['uid'];
1252 DBA::close($contacts);
1257 if ($item['uri-id'] != $item['parent-uri-id']) {
1258 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1259 while ($parent = Post::fetch($parents)) {
1260 $users[$parent['uid']] = $parent['uid'];
1261 if ($parent['origin'] && !$origin) {
1262 $origin_uid = $parent['uid'];
1265 DBA::close($parents);
1268 foreach ($users as $uid) {
1269 if ($origin_uid == $uid) {
1270 $item['diaspora_signed_text'] = $signed_text;
1272 self::storeForUser($item, $uid);
1277 * Store a public item defined by their URI-ID for the given users
1279 * @param integer $uri_id URI-ID of the given item
1280 * @param integer $uid The user that will receive the item entry
1281 * @param array $fields Additional fields to be stored
1282 * @return integer stored item id
1284 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1286 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1287 if (!DBA::isResult($item)) {
1291 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1292 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']]);
1296 $item['post-type'] = self::PT_STORED;
1298 $item = array_merge($item, $fields);
1300 $stored = self::storeForUser($item, $uid);
1301 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1306 * Store a public item array for the given users
1308 * @param array $item The item entry that will be stored
1309 * @param integer $uid The user that will receive the item entry
1310 * @return integer stored item id
1311 * @throws \Exception
1313 private static function storeForUser(array $item, int $uid)
1315 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1316 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1321 unset($item['parent']);
1322 unset($item['mention']);
1323 unset($item['starred']);
1324 unset($item['unseen']);
1325 unset($item['psid']);
1327 $item['uid'] = $uid;
1328 $item['origin'] = 0;
1331 if ($item['gravity'] == GRAVITY_PARENT) {
1332 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1334 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1337 if (!empty($contact['id'])) {
1338 $item['contact-id'] = $contact['id'];
1340 // Shouldn't happen at all
1341 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1342 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1343 if (!DBA::isResult($self)) {
1344 // Shouldn't happen even less
1345 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1348 $item['contact-id'] = $self['id'];
1351 /// @todo Handling of "event-id"
1354 if ($item['gravity'] == GRAVITY_PARENT) {
1355 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1356 if (DBA::isResult($contact)) {
1357 $notify = self::isRemoteSelf($contact, $item);
1361 $distributed = self::insert($item, $notify, true);
1363 if (!$distributed) {
1364 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1366 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1368 return $distributed;
1372 * Add a shadow entry for a given item id that is a thread starter
1374 * We store every public item entry additionally with the user id "0".
1375 * This is used for the community page and for the search.
1376 * It is planned that in the future we will store public item entries only once.
1378 * @param integer $itemid Item ID that should be added
1379 * @throws \Exception
1381 private static function addShadow($itemid)
1383 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1384 $condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
1385 $item = Post::selectFirst($fields, $condition);
1387 if (!DBA::isResult($item)) {
1391 // is it already a copy?
1392 if (($itemid == 0) || ($item['uid'] == 0)) {
1396 // Is it a visible public post?
1397 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1401 // is it an entry from a connector? Only add an entry for natively connected networks
1402 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1406 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1410 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1412 if (DBA::isResult($item)) {
1413 // Preparing public shadow (removing user specific data)
1416 unset($item['parent']);
1417 unset($item['wall']);
1418 unset($item['mention']);
1419 unset($item['origin']);
1420 unset($item['starred']);
1421 unset($item['postopts']);
1422 unset($item['inform']);
1423 unset($item['post-type']);
1424 if ($item['uri-id'] == $item['parent-uri-id']) {
1425 $item['contact-id'] = $item['owner-id'];
1427 $item['contact-id'] = $item['author-id'];
1430 $public_shadow = self::insert($item, false, true);
1432 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1437 * Add a shadow entry for a given item id that is a comment
1439 * This function does the same like the function above - but for comments
1441 * @param integer $itemid Item ID that should be added
1442 * @throws \Exception
1444 private static function addShadowPost($itemid)
1446 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1447 if (!DBA::isResult($item)) {
1451 // Is it a toplevel post?
1452 if ($item['gravity'] == GRAVITY_PARENT) {
1453 self::addShadow($itemid);
1457 // Is this a shadow entry?
1458 if ($item['uid'] == 0) {
1462 // Is there a shadow parent?
1463 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1467 // Is there already a shadow entry?
1468 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1472 // Save "origin" and "parent" state
1473 $origin = $item['origin'];
1474 $parent = $item['parent'];
1476 // Preparing public shadow (removing user specific data)
1479 unset($item['parent']);
1480 unset($item['wall']);
1481 unset($item['mention']);
1482 unset($item['origin']);
1483 unset($item['starred']);
1484 unset($item['postopts']);
1485 unset($item['inform']);
1486 unset($item['post-type']);
1487 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1489 $public_shadow = self::insert($item, false, true);
1491 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1493 // If this was a comment to a Diaspora post we don't get our comment back.
1494 // This means that we have to distribute the comment by ourselves.
1495 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1496 self::distribute($public_shadow);
1501 * Adds a language specification in a "language" element of given $arr.
1502 * Expects "body" element to exist in $arr.
1504 * @param array $item
1505 * @return string detected language
1506 * @throws \Text_LanguageDetect_Exception
1508 private static function getLanguage(array $item)
1510 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1514 // Convert attachments to links
1515 $naked_body = BBCode::removeAttachment($item['body']);
1516 if (empty($naked_body)) {
1520 // Remove links and pictures
1521 $naked_body = BBCode::removeLinks($naked_body);
1523 // Convert the title and the body to plain text
1524 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1526 // Remove possibly remaining links
1527 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1529 if (empty($naked_body)) {
1533 $ld = new Language(DI::l10n()->getAvailableLanguages());
1534 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1535 if (is_array($languages)) {
1536 return json_encode($languages);
1542 public static function getLanguageMessage(array $item)
1544 $iso639 = new \Matriphe\ISO639\ISO639;
1546 $used_languages = '';
1547 foreach (json_decode($item['language'], true) as $language => $reliability) {
1548 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1550 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1551 return $used_languages;
1555 * Creates an unique guid out of a given uri
1557 * @param string $uri uri of an item entry
1558 * @param string $host hostname for the GUID prefix
1559 * @return string unique guid
1561 public static function guidFromUri($uri, $host)
1563 // Our regular guid routine is using this kind of prefix as well
1564 // We have to avoid that different routines could accidentally create the same value
1565 $parsed = parse_url($uri);
1567 // We use a hash of the hostname as prefix for the guid
1568 $guid_prefix = hash("crc32", $host);
1570 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1571 unset($parsed["scheme"]);
1573 // Glue it together to be able to make a hash from it
1574 $host_id = implode("/", $parsed);
1576 // We could use any hash algorithm since it isn't a security issue
1577 $host_hash = hash("ripemd128", $host_id);
1579 return $guid_prefix.$host_hash;
1583 * generate an unique URI
1585 * @param integer $uid User id
1586 * @param string $guid An existing GUID (Otherwise it will be generated)
1589 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1591 public static function newURI($uid, $guid = "")
1594 $guid = System::createUUID();
1597 return DI::baseUrl()->get() . '/objects/' . $guid;
1601 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1603 * This can be used to filter for inactive contacts.
1604 * Only do this for public postings to avoid privacy problems, since poco data is public.
1605 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1607 * @param array $arr Contains the just posted item record
1608 * @throws \Exception
1610 private static function updateContact($arr)
1612 // Unarchive the author
1613 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1614 if (DBA::isResult($contact)) {
1615 Contact::unmarkForArchival($contact);
1618 // Unarchive the contact if it's not our own contact
1619 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1620 if (DBA::isResult($contact)) {
1621 Contact::unmarkForArchival($contact);
1624 /// @todo On private posts we could obfuscate the date
1625 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1627 // Is it a forum? Then we don't care about the rules from above
1628 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1629 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1635 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1636 // So we have to ensure to only update the last item when it had been our own post,
1637 // or it had been done by a "regular" contact.
1638 if (!empty($arr['wall'])) {
1639 $condition = ['id' => $arr['contact-id']];
1641 $condition = ['id' => $arr['contact-id'], 'self' => false];
1643 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1645 // Now do the same for the system wide contacts with uid=0
1646 if ($arr['private'] != self::PRIVATE) {
1647 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1648 ['id' => $arr['owner-id']]);
1650 if ($arr['owner-id'] != $arr['author-id']) {
1651 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1652 ['id' => $arr['author-id']]);
1657 public static function setHashtags($body)
1659 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1660 $tags = BBCode::getTags($body);
1663 if (!count($tags)) {
1667 // This sorting is important when there are hashtags that are part of other hashtags
1668 // Otherwise there could be problems with hashtags like #test and #test2
1669 // Because of this we are sorting from the longest to the shortest tag.
1670 usort($tags, function ($a, $b) {
1671 return strlen($b) <=> strlen($a);
1674 $URLSearchString = "^\[\]";
1676 // All hashtags should point to the home server if "local_tags" is activated
1677 if (DI::config()->get('system', 'local_tags')) {
1678 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1679 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1682 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1683 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1685 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1688 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1690 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1693 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1695 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1698 // Repair recursive urls
1699 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1702 foreach ($tags as $tag) {
1703 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1707 $basetag = str_replace('_', ' ', substr($tag, 1));
1708 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1710 $body = str_replace($tag, $newtag, $body);
1713 // Convert back the masked hashtags
1714 $body = str_replace("#", "#", $body);
1723 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1726 * @param int $item_id
1727 * @return boolean true if item was deleted, else false
1728 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1729 * @throws \ImagickException
1731 private static function tagDeliver($uid, $item_id)
1735 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1736 if (!DBA::isResult($user)) {
1740 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1741 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1743 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1744 if (!DBA::isResult($item)) {
1748 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1751 * Diaspora uses their own hardwired link URL in @-tags
1752 * instead of the one we supply with webfinger
1754 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1756 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1758 foreach ($matches as $mtch) {
1759 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1761 Logger::log('mention found: ' . $mtch[2]);
1767 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1768 foreach ($tags as $tag) {
1769 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
1771 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
1777 if (($community_page || $prvgroup) &&
1778 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
1779 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item['id'], 'guid'=> $item['guid']]);
1780 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1786 $arr = ['item' => $item, 'user' => $user];
1788 Hook::callAll('tagged', $arr);
1790 if (!$community_page && !$prvgroup) {
1795 * tgroup delivery - setup a second delivery chain
1796 * prevent delivery looping - only proceed
1797 * if the message originated elsewhere and is a top-level post
1799 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1803 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1804 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1805 if (!DBA::isResult($self)) {
1809 $owner_id = Contact::getIdForURL($self['url']);
1811 // also reset all the privacy bits to the forum default permissions
1813 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
1815 $psid = PermissionSet::getIdFromACL(
1823 $forum_mode = ($prvgroup ? 2 : 1);
1825 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1826 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
1827 self::update($fields, ['id' => $item['id']]);
1829 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, (int)$item['uri-id'], (int)$item['uid']);
1831 self::performActivity($item['id'], 'announce', $uid);
1837 * Automatically reshare the item if the "remote_self" option is selected
1839 * @param array $item
1842 private static function autoReshare(array $item)
1844 if ($item['gravity'] != GRAVITY_PARENT) {
1848 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
1852 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1856 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1858 self::performActivity($item['id'], 'announce', $item['uid']);
1861 public static function isRemoteSelf($contact, &$datarray)
1863 if (!$contact['remote_self']) {
1867 // Prevent the forwarding of posts that are forwarded
1868 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
1869 Logger::info('Already forwarded');
1873 // Prevent to forward already forwarded posts
1874 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
1875 Logger::info('Already forwarded (second test)');
1879 // Only forward posts
1880 if ($datarray["verb"] != Activity::POST) {
1881 Logger::info('No post');
1885 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
1886 Logger::info('Not public');
1890 $datarray2 = $datarray;
1891 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
1892 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
1893 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
1894 ['uid' => $contact['uid'], 'self' => true]);
1895 if (DBA::isResult($self)) {
1896 $datarray['contact-id'] = $self["id"];
1898 $datarray['owner-name'] = $self["name"];
1899 $datarray['owner-link'] = $self["url"];
1900 $datarray['owner-avatar'] = $self["thumb"];
1902 $datarray['author-name'] = $datarray['owner-name'];
1903 $datarray['author-link'] = $datarray['owner-link'];
1904 $datarray['author-avatar'] = $datarray['owner-avatar'];
1906 unset($datarray['edited']);
1908 unset($datarray['network']);
1909 unset($datarray['owner-id']);
1910 unset($datarray['author-id']);
1913 if ($contact['network'] != Protocol::FEED) {
1914 $old_uri_id = $datarray["uri-id"] ?? 0;
1915 $datarray["guid"] = System::createUUID();
1916 unset($datarray["plink"]);
1917 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
1918 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
1919 $datarray["extid"] = Protocol::DFRN;
1920 $urlpart = parse_url($datarray2['author-link']);
1921 $datarray["app"] = $urlpart["host"];
1922 if (!empty($old_uri_id)) {
1923 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
1926 unset($datarray["parent-uri"]);
1927 unset($datarray["thr-parent"]);
1929 $datarray['private'] = self::PUBLIC;
1933 if ($contact['network'] != Protocol::FEED) {
1934 // Store the original post
1935 $result = self::insert($datarray2);
1936 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
1938 $datarray["app"] = "Feed";
1942 // Trigger automatic reactions for addons
1943 $datarray['api_source'] = true;
1945 // We have to tell the hooks who we are - this really should be improved
1946 $_SESSION['authenticated'] = true;
1947 $_SESSION['uid'] = $contact['uid'];
1949 return (bool)$result;
1956 * @param array $item
1959 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1960 * @throws \ImagickException
1962 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
1964 if (DI::config()->get('system', 'disable_embedded')) {
1968 Logger::info('check for photos');
1969 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
1974 $img_start = strpos($orig_body, '[img');
1975 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1976 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1978 while (($img_st_close !== false) && ($img_len !== false)) {
1979 $img_st_close++; // make it point to AFTER the closing bracket
1980 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1982 Logger::info('found photo', ['image' => $image]);
1984 if (stristr($image, $site . '/photo/')) {
1985 // Only embed locally hosted photos
1987 $i = basename($image);
1988 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
1989 $x = strpos($i, '-');
1992 $res = substr($i, $x + 1);
1993 $i = substr($i, 0, $x);
1994 $photo = Photo::getPhotoForUser($uid, $i, $res);
1995 if (DBA::isResult($photo)) {
1997 * Check to see if we should replace this photo link with an embedded image
1998 * 1. No need to do so if the photo is public
1999 * 2. If there's a contact-id provided, see if they're in the access list
2000 * for the photo. If so, embed it.
2001 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2002 * permissions, regardless of order but first check to see if they're an exact
2003 * match to save some processing overhead.
2005 if (self::hasPermissions($photo)) {
2007 $recips = self::enumeratePermissions($photo);
2008 if (in_array($cid, $recips)) {
2012 if (self::samePermissions($uid, $item, $photo)) {
2018 $photo_img = Photo::getImageForPhoto($photo);
2019 // If a custom width and height were specified, apply before embedding
2020 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2021 Logger::info('scaling photo');
2023 $width = intval($match[1]);
2024 $height = intval($match[2]);
2026 $photo_img->scaleDown(max($width, $height));
2029 $data = $photo_img->asString();
2030 $type = $photo_img->getType();
2032 Logger::info('replacing photo');
2033 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2034 Logger::debug('replaced', ['image' => $image]);
2040 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2041 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2042 if ($orig_body === false) {
2046 $img_start = strpos($orig_body, '[img');
2047 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2048 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2051 $new_body = $new_body . $orig_body;
2056 private static function hasPermissions($obj)
2058 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2059 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2062 private static function samePermissions($uid, $obj1, $obj2)
2064 // first part is easy. Check that these are exactly the same.
2065 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2066 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2067 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2068 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2072 // This is harder. Parse all the permissions and compare the resulting set.
2073 $recipients1 = self::enumeratePermissions($obj1);
2074 $recipients2 = self::enumeratePermissions($obj2);
2078 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2079 return ($recipients1 == $recipients2);
2083 * Returns an array of contact-ids that are allowed to see this object
2085 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2086 * @param bool $check_dead Prunes unavailable contacts from the result
2088 * @throws \Exception
2090 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2092 $aclFormater = DI::aclFormatter();
2094 $allow_people = $aclFormater->expand($obj['allow_cid']);
2095 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2096 $deny_people = $aclFormater->expand($obj['deny_cid']);
2097 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2098 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2099 $deny = array_unique(array_merge($deny_people, $deny_groups));
2100 $recipients = array_diff($recipients, $deny);
2104 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2106 if (!$uid || ($days < 1)) {
2110 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2111 $uid, GRAVITY_PARENT];
2114 * $expire_network_only = save your own wall posts
2115 * and just expire conversations started by others
2117 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2119 if ($expire_network_only) {
2120 $condition[0] .= " AND NOT `wall`";
2123 if ($network != "") {
2124 $condition[0] .= " AND `network` = ?";
2125 $condition[] = $network;
2128 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2129 $condition[] = $days;
2131 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2133 if (!DBA::isResult($items)) {
2137 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2139 // Forcing expiring of items - but not notes and marked items
2141 $expire_items = true;
2144 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2145 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2146 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2150 $priority = DI::config()->get('system', 'expire-notify-priority');
2152 while ($item = Post::fetch($items)) {
2153 // don't expire filed items
2154 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2158 // Only expire posts, not photos and photo comments
2160 if (!$expire_photos && strlen($item['resource-id'])) {
2162 } elseif (!$expire_starred && intval($item['starred'])) {
2164 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2166 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2170 self::markForDeletionById($item['id'], $priority);
2175 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2178 public static function firstPostDate($uid, $wall = false)
2180 $condition = ['gravity' => GRAVITY_PARENT, 'uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true];
2181 $params = ['order' => ['received' => false]];
2182 $thread = Post::selectFirst(['received'], $condition, $params);
2183 if (DBA::isResult($thread)) {
2184 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2191 * add/remove activity to an item
2193 * Toggle activities as like,dislike,attend of an item
2195 * @param int $item_id
2196 * @param string $verb
2197 * Activity verb. One of
2198 * like, unlike, dislike, undislike, attendyes, unattendyes,
2199 * attendno, unattendno, attendmaybe, unattendmaybe,
2200 * announce, unannouce
2202 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2203 * @throws \ImagickException
2204 * @hook 'post_local_end'
2206 * 'post_id' => ID of posted item
2208 public static function performActivity(int $item_id, string $verb, int $uid)
2214 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2216 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2217 if (!DBA::isResult($item)) {
2218 Logger::log('like: unknown item ' . $item_id);
2222 $uri_id = $item['uri-id'];
2224 if (!in_array($item['uid'], [0, $uid])) {
2228 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2229 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2230 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2231 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2232 if (!DBA::isResult($item)) {
2233 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2239 // Retrieves the local post owner
2240 $owner = User::getOwnerDataById($uid);
2241 if (empty($owner)) {
2242 Logger::info('Empty owner for user', ['uid' => $uid]);
2246 // Retrieve the current logged in user's public contact
2247 $author_id = Contact::getIdForURL($owner['url']);
2248 if (empty($author_id)) {
2249 Logger::info('Empty public contact');
2257 $activity = Activity::LIKE;
2261 $activity = Activity::DISLIKE;
2265 $activity = Activity::ATTEND;
2269 $activity = Activity::ATTENDNO;
2272 case 'unattendmaybe':
2273 $activity = Activity::ATTENDMAYBE;
2277 $activity = Activity::FOLLOW;
2281 $activity = Activity::ANNOUNCE;
2284 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2288 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2290 // Enable activity toggling instead of on/off
2291 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2293 // Look for an existing verb row
2294 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2295 if ($event_verb_flag) {
2296 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2298 // Translate to the index based activity index
2300 foreach ($verbs as $verb) {
2301 $vids[] = Verb::getID($verb);
2304 $vids = Verb::getID($activity);
2307 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2308 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2309 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2311 if (DBA::isResult($like_item)) {
2313 * Truth table for existing activities
2315 * | Inputs || Outputs |
2316 * |----------------------------||-------------------|
2317 * | Mode | Event | Same verb || Delete? | Return? |
2318 * |--------|-------|-----------||---------|---------|
2319 * | create | Yes | Yes || No | Yes |
2320 * | create | Yes | No || Yes | No |
2321 * | create | No | Yes || No | Yes |
2322 * | create | No | No || N/A†|
2323 * | delete | Yes | Yes || Yes | N/A‡ |
2324 * | delete | Yes | No || No | N/A‡ |
2325 * | delete | No | Yes || Yes | N/A‡ |
2326 * | delete | No | No || N/A†|
2327 * |--------|-------|-----------||---------|---------|
2328 * | A | B | C || A xor C | !B or C |
2330 * †Can't happen: It's impossible to find an existing non-event activity without
2331 * the same verb because we are only looking for this single verb.
2333 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2335 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2336 self::markForDeletionById($like_item['id']);
2339 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2344 // No need to go further if we aren't creating anything
2345 if ($mode == 'delete') {
2349 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2352 'guid' => System::createUUID(),
2353 'uri' => self::newURI($item['uid']),
2354 'uid' => $item['uid'],
2355 'contact-id' => $owner['id'],
2356 'wall' => $item['wall'],
2358 'network' => Protocol::DFRN,
2359 'protocol' => Conversation::PARCEL_DIRECT,
2360 'direction' => Conversation::PUSH,
2361 'gravity' => GRAVITY_ACTIVITY,
2362 'parent' => $item['id'],
2363 'thr-parent' => $item['uri'],
2364 'owner-id' => $author_id,
2365 'author-id' => $author_id,
2366 'body' => $activity,
2367 'verb' => $activity,
2368 'object-type' => $objtype,
2369 'allow_cid' => $item['allow_cid'],
2370 'allow_gid' => $item['allow_gid'],
2371 'deny_cid' => $item['deny_cid'],
2372 'deny_gid' => $item['deny_gid'],
2377 $signed = Diaspora::createLikeSignature($uid, $new_item);
2378 if (!empty($signed)) {
2379 $new_item['diaspora_signed_text'] = json_encode($signed);
2382 $new_item_id = self::insert($new_item);
2384 // If the parent item isn't visible then set it to visible
2385 if (!$item['visible']) {
2386 self::update(['visible' => true], ['id' => $item['id']]);
2389 $new_item['id'] = $new_item_id;
2391 Hook::callAll('post_local_end', $new_item);
2397 * Fetch the SQL condition for the given user id
2399 * @param integer $owner_id User ID for which the permissions should be fetched
2400 * @return array condition
2402 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2404 $local_user = local_user();
2405 $remote_user = Session::getRemoteContactID($owner_id);
2407 // default permissions - anonymous user
2408 $condition = ["`private` != ?", self::PRIVATE];
2410 if ($local_user && ($local_user == $owner_id)) {
2411 // Profile owner - everything is visible
2413 } elseif ($remote_user) {
2414 // Authenticated visitor - fetch the matching permissionsets
2415 $set = PermissionSet::get($owner_id, $remote_user);
2417 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2418 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2419 self::PRIVATE, self::PRIVATE];
2420 $condition = array_merge($condition, $set);
2428 * Get a permission SQL string for the given user
2430 * @param int $owner_id
2431 * @param string $table
2434 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2436 $local_user = local_user();
2437 $remote_user = Session::getRemoteContactID($owner_id);
2439 if (!empty($table)) {
2440 $table = DBA::quoteIdentifier($table) . '.';
2444 * Construct permissions
2446 * default permissions - anonymous user
2448 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2450 // Profile owner - everything is visible
2451 if ($local_user && ($local_user == $owner_id)) {
2453 } elseif ($remote_user) {
2455 * Authenticated visitor. Unless pre-verified,
2456 * check that the contact belongs to this $owner_id
2457 * and load the groups the visitor belongs to.
2458 * If pre-verified, the caller is expected to have already
2459 * done this and passed the groups into this function.
2461 $set = PermissionSet::get($owner_id, $remote_user);
2464 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2469 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2476 * get translated item type
2481 public static function postType($item)
2483 if (!empty($item['event-id'])) {
2484 return DI::l10n()->t('event');
2485 } elseif (!empty($item['resource-id'])) {
2486 return DI::l10n()->t('photo');
2487 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2488 return DI::l10n()->t('activity');
2489 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2490 return DI::l10n()->t('comment');
2493 return DI::l10n()->t('post');
2497 * Sets the "rendered-html" field of the provided item
2499 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2501 * @param array $item
2503 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2504 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2506 public static function putInCache(&$item)
2508 // Save original body to prevent addons to modify it
2509 $body = $item['body'];
2511 $rendered_hash = $item['rendered-hash'] ?? '';
2512 $rendered_html = $item['rendered-html'] ?? '';
2514 if ($rendered_hash == ''
2515 || $rendered_html == ''
2516 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2517 || DI::config()->get('system', 'ignore_cache')
2519 self::addRedirToImageTags($item);
2521 $item['rendered-html'] = BBCode::convert($item['body']);
2522 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2524 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2525 Hook::callAll('put_item_in_cache', $hook_data);
2526 $item['rendered-html'] = $hook_data['rendered-html'];
2527 $item['rendered-hash'] = $hook_data['rendered-hash'];
2530 // Update if the generated values differ from the existing ones
2531 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2534 'rendered-html' => $item['rendered-html'],
2535 'rendered-hash' => $item['rendered-hash']
2537 ['id' => $item['id']]
2542 $item['body'] = $body;
2546 * Find any non-embedded images in private items and add redir links to them
2548 * @param array &$item The field array of an item row
2550 private static function addRedirToImageTags(array &$item)
2555 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2557 foreach ($matches as $mtch) {
2558 if (strpos($mtch[1], '/redir') !== false) {
2562 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2563 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2564 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2571 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2572 * If attach is true, also add icons for item attachments.
2574 * @param array $item
2575 * @param boolean $attach
2576 * @param boolean $is_preview
2577 * @return string item body html
2578 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2579 * @throws \ImagickException
2580 * @hook prepare_body_init item array before any work
2581 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2582 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2583 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2585 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2588 Hook::callAll('prepare_body_init', $item);
2590 // In order to provide theme developers more possibilities, event items
2591 // are treated differently.
2592 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2593 $ev = Event::getItemHTML($item);
2597 $tags = Tag::populateFromItem($item);
2599 $item['tags'] = $tags['tags'];
2600 $item['hashtags'] = $tags['hashtags'];
2601 $item['mentions'] = $tags['mentions'];
2603 // Compile eventual content filter reasons
2604 $filter_reasons = [];
2605 if (!$is_preview && public_contact() != $item['author-id']) {
2606 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2607 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2612 'filter_reasons' => $filter_reasons
2614 Hook::callAll('prepare_body_content_filter', $hook_data);
2615 $filter_reasons = $hook_data['filter_reasons'];
2619 self::putInCache($item);
2620 $s = $item["rendered-html"];
2625 'preview' => $is_preview,
2626 'filter_reasons' => $filter_reasons
2628 Hook::callAll('prepare_body', $hook_data);
2629 $s = $hook_data['html'];
2633 // Replace the blockquotes with quotes that are used in mails.
2634 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2635 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2641 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
2642 $mime = $attachment['mimetype'];
2644 $author = ['uid' => 0, 'id' => $item['author-id'],
2645 'network' => $item['author-network'], 'url' => $item['author-link']];
2646 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
2648 if (strpos($mime, 'video') !== false) {
2651 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
2654 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2656 'id' => $item['author-id'],
2657 'title' => DI::l10n()->t('View Video'),
2664 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
2666 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
2667 $filesubtype = str_replace('.', '-', $filesubtype);
2670 $filesubtype = 'unkn';
2673 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
2674 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
2676 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
2677 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
2681 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
2685 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2686 $x = Map::byCoordinates(trim($item['coord']));
2688 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2692 // Replace friendica image url size with theme preference.
2693 if (!empty($a->theme_info['item_image_size'])) {
2694 $ps = $a->theme_info['item_image_size'];
2695 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2698 $s = HTML::applyContentFilter($s, $filter_reasons);
2700 $hook_data = ['item' => $item, 'html' => $s];
2701 Hook::callAll('prepare_body_final', $hook_data);
2703 return $hook_data['html'];
2707 * get private link for item
2709 * @param array $item
2710 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
2711 * @throws \Exception
2713 public static function getPlink($item)
2717 'href' => "display/" . $item['guid'],
2718 'orig' => "display/" . $item['guid'],
2719 'title' => DI::l10n()->t('View on separate page'),
2720 'orig_title' => DI::l10n()->t('view on separate page'),
2723 if (!empty($item['plink'])) {
2724 $ret["href"] = DI::baseUrl()->remove($item['plink']);
2725 $ret["title"] = DI::l10n()->t('link to source');
2727 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
2729 'href' => $item['plink'],
2730 'orig' => $item['plink'],
2731 'title' => DI::l10n()->t('link to source'),
2741 * Is the given item array a post that is sent as starting post to a forum?
2743 * @param array $item
2744 * @param array $owner
2746 * @return boolean "true" when it is a forum post
2748 public static function isForumPost(array $item, array $owner = [])
2750 if (empty($owner)) {
2751 $owner = User::getOwnerDataById($item['uid']);
2752 if (empty($owner)) {
2757 if (($item['author-id'] == $item['owner-id']) ||
2758 ($owner['id'] == $item['contact-id']) ||
2759 ($item['uri-id'] != $item['parent-uri-id']) ||
2764 return Contact::isForum($item['contact-id']);
2768 * Search item id for given URI or plink
2770 * @param string $uri
2771 * @param integer $uid
2773 * @return integer item id
2775 public static function searchByLink($uri, $uid = 0)
2777 $ssl_uri = str_replace('http://', 'https://', $uri);
2778 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
2780 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
2781 if (DBA::isResult($item)) {
2785 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
2786 if (DBA::isResult($item)) {
2794 * Return the URI for a link to the post
2796 * @param string $uri URI or link to post
2798 * @return string URI
2800 public static function getURIByLink(string $uri)
2802 $ssl_uri = str_replace('http://', 'https://', $uri);
2803 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
2805 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
2806 if (DBA::isResult($item)) {
2807 return $item['uri'];
2810 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
2811 if (DBA::isResult($item)) {
2812 return $item['uri'];
2819 * Fetches item for given URI or plink
2821 * @param string $uri
2822 * @param integer $uid
2824 * @return integer item id
2826 public static function fetchByLink(string $uri, int $uid = 0)
2828 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
2829 $item_id = self::searchByLink($uri, $uid);
2830 if (!empty($item_id)) {
2831 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
2835 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
2836 $item_id = self::searchByLink($fetched_uri, $uid);
2838 $item_id = Diaspora::fetchByURL($uri);
2841 if (!empty($item_id)) {
2842 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
2846 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
2851 * Return share data from an item array (if the item is shared item)
2852 * We are providing the complete Item array, because at some time in the future
2853 * we hopefully will define these values not in the body anymore but in some item fields.
2854 * This function is meant to replace all similar functions in the system.
2856 * @param array $item
2858 * @return array with share information
2860 public static function getShareArray($item)
2862 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
2866 $attribute_string = $matches[2];
2867 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
2868 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
2869 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
2870 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
2877 * Fetch item information for shared items from the original items and adds it.
2879 * @param array $item
2881 * @return array item array with data from the original item
2883 public static function addShareDataFromOriginal(array $item)
2885 $shared = self::getShareArray($item);
2886 if (empty($shared)) {
2890 // Real reshares always have got a GUID.
2891 if (empty($shared['guid'])) {
2895 $uid = $item['uid'] ?? 0;
2897 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
2898 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
2899 if (!DBA::isResult($shared_item)) {
2900 if (empty($shared['link'])) {
2904 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
2905 $id = self::fetchByLink($shared['link'] ?? '', $uid);
2907 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
2911 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
2912 if (!DBA::isResult($shared_item)) {
2915 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
2917 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
2920 if (!empty($shared_item['title'])) {
2921 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
2922 unset($shared_item['title']);
2924 $body = $shared_item['body'];
2927 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
2928 unset($shared_item['body']);
2930 return array_merge($item, $shared_item);
2934 * Check a prospective item array against user-level permissions
2936 * @param array $item Expected keys: uri, gravity, and
2937 * author-link if is author-id is set,
2938 * owner-link if is owner-id is set,
2939 * causer-link if is causer-id is set.
2940 * @param int $user_id Local user ID
2942 * @throws \Exception
2944 protected static function isAllowedByUser(array $item, int $user_id)
2946 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
2947 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
2951 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
2952 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
2956 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
2957 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
2958 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
2962 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
2963 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);