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\Database;
35 use Friendica\Database\DBA;
36 use Friendica\Database\DBStructure;
38 use Friendica\Model\Post;
39 use Friendica\Protocol\Activity;
40 use Friendica\Protocol\ActivityPub;
41 use Friendica\Protocol\Diaspora;
42 use Friendica\Util\DateTimeFormat;
43 use Friendica\Util\Map;
44 use Friendica\Util\Network;
45 use Friendica\Util\Strings;
46 use Friendica\Worker\Delivery;
47 use LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
65 const PT_FOLLOWER = 69;
66 const PT_ANNOUNCEMENT = 70;
67 const PT_COMMENT = 71;
71 const PT_FETCHED = 75;
72 const PT_PERSONAL_NOTE = 128;
74 // Field list that is used to display the items
75 const DISPLAY_FIELDLIST = [
76 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
77 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
78 'wall', 'private', 'starred', 'origin', 'title', 'body', 'language',
79 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
80 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
81 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
82 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
83 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
84 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
85 'writable', 'self', 'cid', 'alias',
86 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
87 'event-summary', 'event-desc', 'event-location', 'event-type',
88 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
89 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
92 // Field list that is used to deliver items via the protocols
93 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
94 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
95 'private', 'title', 'body', 'location', 'coord', 'app',
96 'deleted', 'extid', 'post-type', 'gravity',
97 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
98 'author-id', 'author-link', 'owner-link', 'contact-uid',
99 'signed_text', 'network'];
101 // Field list for "item-content" table that is mixed with the item table
102 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
103 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
104 'object-type', 'object', 'target-type', 'target', 'plink'];
106 // Field list for "item-content" table that is not present in the "item" table
107 const CONTENT_FIELDLIST = ['language', 'raw-body'];
109 // All fields in the item table
110 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
111 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
112 'contact-id', 'type', 'wall', 'gravity', 'extid', 'psid',
113 'created', 'edited', 'commented', 'received', 'changed', 'verb',
114 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
115 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
116 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
117 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
118 'title', 'content-warning', 'body', 'location', 'coord', 'app',
119 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
120 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
121 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
123 // List of all verbs that don't need additional content data.
124 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
126 Activity::LIKE, Activity::DISLIKE,
127 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
135 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
137 private static function getItemFields()
139 $definition = DBStructure::definition('', false);
142 foreach (self::TABLES as $table) {
143 $postfields[$table] = array_keys($definition[$table]['fields']);
150 * Set the pinned state of an item
152 * @param integer $iid Item ID
153 * @param integer $uid User ID
154 * @param boolean $pinned Pinned state
156 public static function setPinned(int $iid, int $uid, bool $pinned)
158 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
162 * Get the pinned state
164 * @param integer $iid Item ID
165 * @param integer $uid User ID
167 * @return boolean pinned state
169 public static function getPinned(int $iid, int $uid)
171 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
172 if (!DBA::isResult($useritem)) {
175 return (bool)$useritem['pinned'];
179 * Update existing item entries
181 * @param array $fields The fields that are to be changed
182 * @param array $condition The condition for finding the item entries
184 * In the future we may have to change permissions as well.
185 * Then we had to add the user id as third parameter.
187 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
189 * @return integer|boolean number of affected rows - or "false" if there was an error
190 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
192 public static function update(array $fields, array $condition)
194 if (empty($condition) || empty($fields)) {
198 $data_fields = $fields;
200 // To ensure the data integrity we do it in an transaction
203 // We cannot simply expand the condition to check for origin entries
204 // The condition needn't to be a simple array but could be a complex condition.
205 // And we have to execute this query before the update to ensure to fetch the same data.
206 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'uid'], $condition);
208 $content_fields = [];
209 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
210 if (isset($fields[$field])) {
211 $content_fields[$field] = $fields[$field];
212 unset($fields[$field]);
216 $delivery_data = Post\DeliveryData::extractFields($fields);
218 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
219 foreach ($clear_fields as $field) {
220 unset($fields[$field]);
223 if (array_key_exists('file', $fields)) {
224 $files = $fields['file'];
225 unset($fields['file']);
230 if (!empty($content_fields['verb'])) {
231 $fields['vid'] = Verb::getID($content_fields['verb']);
234 if (!empty($fields)) {
235 $success = DBA::update('item', $fields, $condition);
244 // When there is no content for the "old" item table, this will count the fetched items
245 $rows = DBA::affectedRows();
249 while ($item = DBA::fetch($items)) {
250 Post\User::update($item['uri-id'], $item['uid'], $data_fields);
252 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
253 if (!empty($content_fields['body'])) {
254 $content_fields['raw-body'] = trim($content_fields['raw-body'] ?? $content_fields['body']);
256 // Remove all media attachments from the body and store them in the post-media table
257 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
258 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
261 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
264 if (!is_null($files)) {
265 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
268 if (!empty($fields['attach'])) {
269 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
272 Post\DeliveryData::update($item['uri-id'], $delivery_data);
274 self::updateThread($item['id']);
276 // We only need to notfiy others when it is an original entry from us.
277 // Only call the notifier when the item has some content relevant change.
278 if ($item['origin'] && in_array('edited', array_keys($fields))) {
279 $notify_items[] = $item['id'];
286 foreach ($notify_items as $notify_item) {
287 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
294 * Delete an item and notify others about it - if it was ours
296 * @param array $condition The condition for finding the item entries
297 * @param integer $priority Priority for the notification
298 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
300 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
302 $items = Post::select(['id'], $condition);
303 while ($item = Post::fetch($items)) {
304 self::markForDeletionById($item['id'], $priority);
310 * Delete an item for an user and notify others about it - if it was ours
312 * @param array $condition The condition for finding the item entries
313 * @param integer $uid User who wants to delete this item
314 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
316 public static function deleteForUser($condition, $uid)
322 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
323 while ($item = Post::fetch($items)) {
324 if (in_array($item['uid'], [$uid, 0])) {
325 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
328 // "Deleting" global items just means hiding them
329 if ($item['uid'] == 0) {
330 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
331 } elseif ($item['uid'] == $uid) {
332 self::markForDeletionById($item['id'], PRIORITY_HIGH);
334 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
341 * Mark an item for deletion, delete related data and notify others about it - if it was ours
343 * @param integer $item_id
344 * @param integer $priority Priority for the notification
346 * @return boolean success
347 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
349 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
351 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
352 // locate item to be deleted
353 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
354 'deleted', 'resource-id', 'event-id',
355 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
356 $item = Post::selectFirst($fields, ['id' => $item_id]);
357 if (!DBA::isResult($item)) {
358 Logger::info('Item not found.', ['id' => $item_id]);
362 if ($item['deleted']) {
363 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
367 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
368 if (!DBA::isResult($parent)) {
369 $parent = ['origin' => false];
372 // clean up categories and tags so they don't end up as orphans
373 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
376 * If item is a link to a photo resource, nuke all the associated photos
377 * (visitors will not have photo resources)
378 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
379 * generate a resource-id and therefore aren't intimately linked to the item.
381 /// @TODO: this should first check if photo is used elsewhere
382 if (strlen($item['resource-id'])) {
383 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
386 // If item is a link to an event, delete the event.
387 if (intval($item['event-id'])) {
388 Event::delete($item['event-id']);
391 // If item has attachments, drop them
392 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
393 foreach($attachments as $attachment) {
394 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
395 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
399 // Set the item to "deleted"
400 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
401 DBA::update('item', $item_fields, ['id' => $item['id']]);
403 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
404 self::deleteThread($item['id'], $item['parent-uri']);
406 if (!Post::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
407 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
410 Post\DeliveryData::delete($item['uri-id']);
412 // When the permission set will be used in photo and events as well,
413 // this query here needs to be extended.
414 // @todo Currently deactivated. We need the permission set in the deletion process.
415 // This is a reminder to add the removal somewhere else.
416 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
417 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
420 // If it's the parent of a comment thread, kill all the kids
421 if ($item['gravity'] == GRAVITY_PARENT) {
422 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
425 // Is it our comment and/or our thread?
426 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
427 // When we delete the original post we will delete all existing copies on the server as well
428 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
430 // send the notification upstream/downstream
432 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
434 } elseif ($item['uid'] != 0) {
435 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
437 // When we delete just our local user copy of an item, we have to set a marker to hide it
438 $global_item = Post::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
439 if (DBA::isResult($global_item)) {
440 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
444 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
450 private static function guid($item, $notify)
452 if (!empty($item['guid'])) {
453 return Strings::escapeTags(trim($item['guid']));
457 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
458 // We add the hash of our own host because our host is the original creator of the post.
459 $prefix_host = DI::baseUrl()->getHostname();
463 // We are only storing the post so we create a GUID from the original hostname.
464 if (!empty($item['author-link'])) {
465 $parsed = parse_url($item['author-link']);
466 if (!empty($parsed['host'])) {
467 $prefix_host = $parsed['host'];
471 if (empty($prefix_host) && !empty($item['plink'])) {
472 $parsed = parse_url($item['plink']);
473 if (!empty($parsed['host'])) {
474 $prefix_host = $parsed['host'];
478 if (empty($prefix_host) && !empty($item['uri'])) {
479 $parsed = parse_url($item['uri']);
480 if (!empty($parsed['host'])) {
481 $prefix_host = $parsed['host'];
485 // Is it in the format data@host.tld? - Used for mail contacts
486 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
487 $mailparts = explode('@', $item['author-link']);
488 $prefix_host = array_pop($mailparts);
492 if (!empty($item['plink'])) {
493 $guid = self::guidFromUri($item['plink'], $prefix_host);
494 } elseif (!empty($item['uri'])) {
495 $guid = self::guidFromUri($item['uri'], $prefix_host);
497 $guid = System::createUUID(hash('crc32', $prefix_host));
503 private static function contactId($item)
505 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
506 return $item['contact-id'];
507 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
508 return $item['contact-id'];
509 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
510 return $item['author-id'];
511 } elseif (!empty($item['contact-id'])) {
512 return $item['contact-id'];
514 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
515 if (!empty($contact_id)) {
519 return $item['author-id'];
523 * Write an item array into a spool file to be inserted later.
524 * This command is called whenever there are issues storing an item.
526 * @param array $item The item fields that are to be inserted
529 private static function spool($orig_item)
531 // Now we store the data in the spool directory
532 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
533 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
535 $spoolpath = get_spoolpath();
536 if ($spoolpath != "") {
537 $spool = $spoolpath . '/' . $file;
539 file_put_contents($spool, json_encode($orig_item));
540 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
545 * Check if the item array is a duplicate
548 * @return boolean is it a duplicate?
550 private static function isDuplicate(array $item)
552 // Checking if there is already an item with the same guid
553 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
554 if (Post::exists($condition)) {
555 Logger::notice('Found already existing item', [
556 'guid' => $item['guid'],
557 'uid' => $item['uid'],
558 'network' => $item['network']
563 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
564 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
565 if (Post::exists($condition)) {
566 Logger::notice('duplicated item with the same uri found.', $item);
570 // On Friendica and Diaspora the GUID is unique
571 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
572 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
573 if (Post::exists($condition)) {
574 Logger::notice('duplicated item with the same guid found.', $item);
577 } elseif ($item['network'] == Protocol::OSTATUS) {
578 // Check for an existing post with the same content. There seems to be a problem with OStatus.
579 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
580 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
581 if (Post::exists($condition)) {
582 Logger::notice('duplicated item with the same body found.', $item);
588 * Check for already added items.
589 * There is a timing issue here that sometimes creates double postings.
590 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
592 if (($item['uid'] == 0) && Post::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
593 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
601 * Check if the item array is valid
604 * @return boolean item is valid
606 public static function isValid(array $item)
608 // When there is no content then we don't post it
609 if ($item['body'] . $item['title'] == '') {
610 Logger::notice('No body, no title.');
614 if (!empty($item['uid'])) {
615 $owner = User::getOwnerDataById($item['uid'], false);
617 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
621 if ($owner['account_expired'] || $owner['account_removed']) {
622 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
627 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
628 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
632 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
633 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
637 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
638 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
642 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
643 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
647 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
651 if ($item['verb'] == Activity::FOLLOW) {
652 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
653 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
654 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
658 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
659 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
660 if (Post::exists($condition)) {
661 // It happens that we receive multiple follow requests by the same author - we only store one.
662 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
671 * Check if the item array is too old
674 * @return boolean item is too old
676 public static function isTooOld(array $item)
678 // check for create date and expire time
679 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
681 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
682 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
683 $expire_interval = $user['expire'];
686 if (($expire_interval > 0) && !empty($item['created'])) {
687 $expire_date = time() - ($expire_interval * 86400);
688 $created_date = strtotime($item['created']);
689 if ($created_date < $expire_date) {
690 Logger::notice('Item created before expiration interval.', [
691 'created' => date('c', $created_date),
692 'expired' => date('c', $expire_date),
703 * Return the id of the given item array if it has been stored before
706 * @return integer item id
708 private static function getDuplicateID(array $item)
710 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
711 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
712 trim($item['uri']), $item['uid'],
713 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
714 $existing = Post::selectFirst(['id', 'network'], $condition);
715 if (DBA::isResult($existing)) {
716 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
717 if ($item['uid'] != 0) {
718 Logger::notice('Item already existed for user', [
719 'uri' => $item['uri'],
720 'uid' => $item['uid'],
721 'network' => $item['network'],
722 'existing_id' => $existing["id"],
723 'existing_network' => $existing["network"]
727 return $existing["id"];
734 * Fetch top-level parent data for the given item array
737 * @return array item array with parent data
740 private static function getTopLevelParent(array $item)
742 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
743 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
744 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
745 $condition = ['uri' => $item['thr-parent'], 'uid' => $item['uid']];
746 $params = ['order' => ['id' => false]];
747 $parent = Post::selectFirst($fields, $condition, $params);
749 if (!DBA::isResult($parent)) {
750 Logger::notice('item parent was not found - ignoring item', ['thr-parent' => $item['thr-parent'], 'uid' => $item['uid']]);
754 if ($parent['uri'] == $parent['parent-uri']) {
758 $condition = ['uri' => $parent['parent-uri'],
759 'parent-uri' => $parent['parent-uri'],
760 'uid' => $parent['uid']];
761 $params = ['order' => ['id' => false]];
762 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
763 if (!DBA::isResult($toplevel_parent)) {
764 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri' => $parent['parent-uri'], 'uid' => $parent['uid']]);
768 return $toplevel_parent;
772 * Get the gravity for the given item array
775 * @return integer gravity
777 private static function getGravity(array $item)
779 $activity = DI::activity();
781 if (isset($item['gravity'])) {
782 return intval($item['gravity']);
783 } elseif ($item['parent-uri'] === $item['uri']) {
784 return GRAVITY_PARENT;
785 } elseif ($activity->match($item['verb'], Activity::POST)) {
786 return GRAVITY_COMMENT;
787 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
788 return GRAVITY_ACTIVITY;
789 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
790 return GRAVITY_ACTIVITY;
792 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
793 return GRAVITY_UNKNOWN; // Should not happen
796 public static function insert($item, $notify = false, $dontcache = false)
798 $structure = self::getItemFields();
802 $priority = PRIORITY_HIGH;
804 // If it is a posting where users should get notifications, then define it as wall posting
808 $item['network'] = Protocol::DFRN;
809 $item['protocol'] = Conversation::PARCEL_DIRECT;
810 $item['direction'] = Conversation::PUSH;
812 if (in_array($notify, PRIORITIES)) {
816 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
819 $uid = intval($item['uid']);
821 $item['guid'] = self::guid($item, $notify);
822 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
825 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
827 // Backward compatibility: parent-uri used to be the direct parent uri.
828 // If it is provided without a thr-parent, it probably is the old behavior.
829 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
830 $item['parent-uri'] = $item['thr-parent'];
832 // Store conversation data
833 $item = Conversation::insert($item);
836 * Do we already have this item?
837 * We have to check several networks since Friendica posts could be repeated
838 * via OStatus (maybe Diasporsa as well)
840 $duplicate = self::getDuplicateID($item);
845 // Additional duplicate checks
846 /// @todo Check why the first duplication check returns the item number and the second a 0
847 if (self::isDuplicate($item)) {
851 $item['wall'] = intval($item['wall'] ?? 0);
852 $item['extid'] = trim($item['extid'] ?? '');
853 $item['author-name'] = trim($item['author-name'] ?? '');
854 $item['author-link'] = trim($item['author-link'] ?? '');
855 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
856 $item['owner-name'] = trim($item['owner-name'] ?? '');
857 $item['owner-link'] = trim($item['owner-link'] ?? '');
858 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
859 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
860 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
861 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
862 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
863 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
864 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
865 $item['location'] = trim($item['location'] ?? '');
866 $item['coord'] = trim($item['coord'] ?? '');
867 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
868 $item['deleted'] = 0;
869 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
870 $item['verb'] = trim($item['verb'] ?? '');
871 $item['object-type'] = trim($item['object-type'] ?? '');
872 $item['object'] = trim($item['object'] ?? '');
873 $item['target-type'] = trim($item['target-type'] ?? '');
874 $item['target'] = trim($item['target'] ?? '');
875 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
876 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
877 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
878 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
879 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
880 $item['private'] = intval($item['private'] ?? self::PUBLIC);
881 $item['body'] = trim($item['body'] ?? '');
882 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
883 $item['app'] = trim($item['app'] ?? '');
884 $item['origin'] = intval($item['origin'] ?? 0);
885 $item['postopts'] = trim($item['postopts'] ?? '');
886 $item['resource-id'] = trim($item['resource-id'] ?? '');
887 $item['event-id'] = intval($item['event-id'] ?? 0);
888 $item['inform'] = trim($item['inform'] ?? '');
889 $item['file'] = trim($item['file'] ?? '');
891 // Items cannot be stored before they happen ...
892 if ($item['created'] > DateTimeFormat::utcNow()) {
893 $item['created'] = DateTimeFormat::utcNow();
896 // We haven't invented time travel by now.
897 if ($item['edited'] > DateTimeFormat::utcNow()) {
898 $item['edited'] = DateTimeFormat::utcNow();
901 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
903 $item['gravity'] = self::getGravity($item);
905 $item['language'] = self::getLanguage($item);
907 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
908 'photo' => $item['author-avatar'], 'network' => $item['network']];
909 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
911 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
912 'photo' => $item['owner-avatar'], 'network' => $item['network']];
913 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
915 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
916 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
917 $item['post-type'] = self::PT_FOLLOWER;
920 // Ensure that there is an avatar cache
921 Contact::checkAvatarCache($item['author-id']);
922 Contact::checkAvatarCache($item['owner-id']);
924 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
925 $item["contact-id"] = self::contactId($item);
927 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
928 self::isTooOld($item)) {
929 Logger::info('Item is too old', ['item' => $item]);
933 if (!self::isValid($item)) {
937 if ($item['gravity'] !== GRAVITY_PARENT) {
938 $toplevel_parent = self::getTopLevelParent($item);
939 if (empty($toplevel_parent)) {
943 // If the thread originated from this node, we check the permission against the thread starter
944 $condition = ['uri' => $toplevel_parent['uri'], 'wall' => true];
945 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
946 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
950 $parent_id = $toplevel_parent['id'];
951 $item['parent-uri'] = $toplevel_parent['uri'];
952 $item['deleted'] = $toplevel_parent['deleted'];
953 $item['allow_cid'] = $toplevel_parent['allow_cid'];
954 $item['allow_gid'] = $toplevel_parent['allow_gid'];
955 $item['deny_cid'] = $toplevel_parent['deny_cid'];
956 $item['deny_gid'] = $toplevel_parent['deny_gid'];
957 $parent_origin = $toplevel_parent['origin'];
959 // Don't federate received participation messages
960 if ($item['verb'] != Activity::FOLLOW) {
961 $item['wall'] = $toplevel_parent['wall'];
963 $item['wall'] = false;
967 * If the parent is private, force privacy for the entire conversation
968 * This differs from the above settings as it subtly allows comments from
969 * email correspondents to be private even if the overall thread is not.
971 if ($toplevel_parent['private']) {
972 $item['private'] = $toplevel_parent['private'];
976 * Edge case. We host a public forum that was originally posted to privately.
977 * The original author commented, but as this is a comment, the permissions
978 * weren't fixed up so it will still show the comment as private unless we fix it here.
980 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
981 $item['private'] = self::PUBLIC;
984 // If its a post that originated here then tag the thread as "mention"
985 if ($item['origin'] && $item['uid']) {
986 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
987 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
990 // Update the contact relations
991 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
993 unset($item['parent_origin']);
996 $parent_origin = $item['origin'];
999 // We don't store the causer link, only the id
1000 unset($item['causer-link']);
1002 // We don't store these fields anymore in the item table
1003 unset($item['author-link']);
1004 unset($item['author-name']);
1005 unset($item['author-avatar']);
1006 unset($item['author-network']);
1008 unset($item['owner-link']);
1009 unset($item['owner-name']);
1010 unset($item['owner-avatar']);
1012 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1013 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1015 // Is this item available in the global items (with uid=0)?
1016 if ($item["uid"] == 0) {
1017 $item["global"] = true;
1019 // Set the global flag on all items if this was a global item entry
1020 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1022 $item["global"] = Post::exists(['uid' => 0, 'uri' => $item["uri"]]);
1026 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1027 $item["private"] = self::PRIVATE;
1031 $item['edit'] = false;
1032 $item['parent'] = $parent_id;
1033 Hook::callAll('post_local', $item);
1034 unset($item['edit']);
1036 Hook::callAll('post_remote', $item);
1039 // Set after the insert because top-level posts are self-referencing
1040 unset($item['parent']);
1042 if (!empty($item['cancel'])) {
1043 Logger::log('post cancelled by addon.');
1047 if (empty($item['vid']) && !empty($item['verb'])) {
1048 $item['vid'] = Verb::getID($item['verb']);
1051 // Creates or assigns the permission set
1052 $item['psid'] = PermissionSet::getIdFromACL(
1060 unset($item['allow_cid']);
1061 unset($item['allow_gid']);
1062 unset($item['deny_cid']);
1063 unset($item['deny_gid']);
1065 // This array field is used to trigger some automatic reactions
1066 // It is mainly used in the "post_local" hook.
1067 unset($item['api_source']);
1069 if ($item['verb'] == Activity::ANNOUNCE) {
1070 self::setOwnerforResharedItem($item);
1073 // Remove all media attachments from the body and store them in the post-media table
1074 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1075 $item['raw-body'] = self::setHashtags($item['raw-body']);
1077 // Check for hashtags in the body and repair or add hashtag links
1078 $item['body'] = self::setHashtags($item['body']);
1080 if (!empty($item['attach'])) {
1081 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1084 // Fill the cache field
1085 self::putInCache($item);
1087 if (stristr($item['verb'], Activity::POKE)) {
1088 $notify_type = Delivery::POKE;
1090 $notify_type = Delivery::POST;
1093 if (!in_array($item['verb'], self::ACTIVITIES) && !self::insertContent($item)) {
1094 // This shouldn't happen
1095 Logger::warning('No content stored, quitting', ['guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'causer-id' => ($item['causer-id'] ?? 0), 'post-type' => $item['post-type'], 'network' => $item['network']]);
1099 $body = $item['body'];
1100 $verb = $item['verb'];
1102 // We just remove everything that is content
1103 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1104 unset($item[$field]);
1107 unset($item['activity']);
1109 // Filling item related side tables
1111 // Diaspora signature
1112 if (!empty($item['diaspora_signed_text'])) {
1113 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1116 unset($item['diaspora_signed_text']);
1118 // Attached file links
1119 if (!empty($item['file'])) {
1120 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1123 unset($item['file']);
1125 // Delivery relevant data
1126 $delivery_data = Post\DeliveryData::extractFields($item);
1127 unset($item['postopts']);
1128 unset($item['inform']);
1130 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1131 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1134 // Store tags from the body if this hadn't been handled previously in the protocol classes
1135 if (!Tag::existsForPost($item['uri-id'])) {
1136 Tag::storeFromBody($item['uri-id'], $body);
1139 if (Post\User::insert($item['uri-id'], $item['uid'], $item)) {
1140 // Remove all fields that aren't part of the item table
1141 foreach ($item as $field => $value) {
1142 if (!in_array($field, $structure['item'])) {
1143 unset($item[$field]);
1147 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1148 if (DBA::exists('item', $condition)) {
1149 Logger::notice('Item is already inserted - aborting', $condition);
1153 $result = DBA::insert('item', $item);
1155 // When the item was successfully stored we fetch the ID of the item.
1156 $current_post = DBA::lastInsertId();
1158 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1162 if (empty($current_post) || !DBA::isResult($result)) {
1163 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1164 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1165 self::spool($orig_item);
1169 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1171 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1172 $parent_id = $current_post;
1176 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1178 $item['id'] = $current_post;
1179 $item['parent'] = $parent_id;
1181 // update the commented timestamp on the parent
1182 if (DI::config()->get('system', 'like_no_comment')) {
1183 // Update when it is a comment
1184 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1186 // Update when it isn't a follow or tag verb
1187 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1190 if ($update_commented) {
1191 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1193 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1196 if ($item['gravity'] === GRAVITY_PARENT) {
1197 self::addThread($current_post);
1199 self::updateThread($parent_id);
1202 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1203 if (self::tagDeliver($item['uid'], $current_post)) {
1204 // Get the user information for the logging
1205 $user = User::getById($uid);
1207 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1212 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1213 if (DBA::isResult($posted_item)) {
1215 Hook::callAll('post_local_end', $posted_item);
1217 Hook::callAll('post_remote_end', $posted_item);
1220 Logger::log('new item not found in DB, id ' . $current_post);
1224 if ($item['gravity'] === GRAVITY_PARENT) {
1225 self::addShadow($current_post);
1227 self::addShadowPost($current_post);
1230 self::updateContact($item);
1232 UserItem::setNotification($current_post);
1234 check_user_notification($current_post);
1236 // Distribute items to users who subscribed to their tags
1237 self::distributeByTags($item);
1239 // Automatically reshare the item if the "remote_self" option is selected
1240 self::autoReshare($item);
1242 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1245 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1246 // Don't relay participation messages
1247 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1248 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1249 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1255 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1258 return $current_post;
1262 * Change the owner of a parent item if it had been shared by a forum
1264 * (public) forum posts in the new format consist of the regular post by the author
1265 * followed by an announce message sent from the forum account.
1266 * Changing the owner helps in grouping forum posts.
1268 * @param array $item
1271 private static function setOwnerforResharedItem(array $item)
1273 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1274 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1275 if (!DBA::isResult($parent)) {
1276 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1280 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
1281 if (!DBA::isResult($author)) {
1282 Logger::error('Author not found', ['id' => $item['author-id']]);
1286 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1287 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1288 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
1292 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1293 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1294 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1298 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1299 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1302 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1303 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1307 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1308 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]);
1312 * Distribute the given item to users who subscribed to their tags
1314 * @param array $item Processed item
1316 private static function distributeByTags(array $item)
1318 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1322 $uids = Tag::getUIDListByURIId($item['uri-id']);
1323 foreach ($uids as $uid) {
1324 if (Contact::isSharing($item['author-id'], $uid)) {
1327 $fields = ['post-type' => self::PT_TAG];
1330 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1331 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1336 * Insert a new item content entry
1338 * @param array $item The item fields that are to be inserted
1339 * @return bool "true" if content was inserted or already existed
1340 * @throws \Exception
1342 private static function insertContent(array $item)
1344 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1346 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1347 if (isset($item[$field])) {
1348 $fields[$field] = $item[$field];
1352 $found = DBA::exists('item-content', ['uri-id' => $item['uri-id']]);
1354 Logger::info('Existing content found', ['uri-id' => $item['uri-id'], 'uri' => $item['uri']]);
1358 DBA::insert('item-content', $fields, Database::INSERT_IGNORE);
1360 $found = DBA::exists('item-content', ['uri-id' => $item['uri-id']]);
1362 Logger::notice('Content inserted', ['uri-id' => $item['uri-id'], 'uri' => $item['uri']]);
1366 // This shouldn't happen.
1367 Logger::error("Content wasn't inserted", $item);
1372 * Update existing item content entries
1374 * @param array $item The item fields that are to be changed
1375 * @param array $condition The condition for finding the item content entries
1376 * @throws \Exception
1378 private static function updateContent($item, $condition)
1380 // We have to select only the fields from the "item-content" table
1382 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1383 if (isset($item[$field])) {
1384 $fields[$field] = $item[$field];
1388 if (empty($fields)) {
1392 DBA::update('item-content', $fields, $condition, true);
1393 Logger::info('Updated content', ['condition' => $condition]);
1397 * Distributes public items to the receivers
1399 * @param integer $itemid Item ID that should be added
1400 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1401 * @throws \Exception
1403 public static function distribute($itemid, $signed_text = '')
1405 $condition = ["`id` IN (SELECT `parent` FROM `post-view` WHERE `id` = ?)", $itemid];
1406 $parent = Post::selectFirst(['owner-id'], $condition);
1407 if (!DBA::isResult($parent)) {
1411 // Only distribute public items from native networks
1412 $condition = ['id' => $itemid, 'uid' => 0,
1413 'network' => array_merge(Protocol::FEDERATED ,['']),
1414 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1415 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1416 if (!DBA::isResult($item)) {
1420 $origin = $item['origin'];
1424 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1425 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1426 if (!DBA::isResult($owner)) {
1430 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1431 $contacts = DBA::select('contact', ['uid'], $condition);
1432 while ($contact = DBA::fetch($contacts)) {
1433 if ($contact['uid'] == 0) {
1437 $users[$contact['uid']] = $contact['uid'];
1439 DBA::close($contacts);
1441 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1442 $contacts = DBA::select('contact', ['uid'], $condition);
1443 while ($contact = DBA::fetch($contacts)) {
1444 if ($contact['uid'] == 0) {
1448 $users[$contact['uid']] = $contact['uid'];
1450 DBA::close($contacts);
1452 if (!empty($owner['alias'])) {
1453 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1454 $contacts = DBA::select('contact', ['uid'], $condition);
1455 while ($contact = DBA::fetch($contacts)) {
1456 if ($contact['uid'] == 0) {
1460 $users[$contact['uid']] = $contact['uid'];
1462 DBA::close($contacts);
1467 if ($item['uri'] != $item['parent-uri']) {
1468 $parents = Post::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1469 while ($parent = Post::fetch($parents)) {
1470 $users[$parent['uid']] = $parent['uid'];
1471 if ($parent['origin'] && !$origin) {
1472 $origin_uid = $parent['uid'];
1475 DBA::close($parents);
1478 foreach ($users as $uid) {
1479 if ($origin_uid == $uid) {
1480 $item['diaspora_signed_text'] = $signed_text;
1482 self::storeForUser($item, $uid);
1487 * Store a public item defined by their URI-ID for the given users
1489 * @param integer $uri_id URI-ID of the given item
1490 * @param integer $uid The user that will receive the item entry
1491 * @param array $fields Additional fields to be stored
1492 * @return integer stored item id
1494 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1496 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1497 if (!DBA::isResult($item)) {
1501 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1502 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']]);
1506 $item['post-type'] = self::PT_STORED;
1508 $item = array_merge($item, $fields);
1510 $stored = self::storeForUser($item, $uid);
1511 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1516 * Store a public item array for the given users
1518 * @param array $item The item entry that will be stored
1519 * @param integer $uid The user that will receive the item entry
1520 * @return integer stored item id
1521 * @throws \Exception
1523 private static function storeForUser(array $item, int $uid)
1525 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1526 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1531 unset($item['parent']);
1532 unset($item['mention']);
1533 unset($item['starred']);
1534 unset($item['unseen']);
1535 unset($item['psid']);
1537 $item['uid'] = $uid;
1538 $item['origin'] = 0;
1541 if ($item['gravity'] == GRAVITY_PARENT) {
1542 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1544 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1547 if (!empty($contact['id'])) {
1548 $item['contact-id'] = $contact['id'];
1550 // Shouldn't happen at all
1551 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1552 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1553 if (!DBA::isResult($self)) {
1554 // Shouldn't happen even less
1555 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1558 $item['contact-id'] = $self['id'];
1561 /// @todo Handling of "event-id"
1564 if ($item['gravity'] == GRAVITY_PARENT) {
1565 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1566 if (DBA::isResult($contact)) {
1567 $notify = self::isRemoteSelf($contact, $item);
1571 $distributed = self::insert($item, $notify, true);
1573 if (!$distributed) {
1574 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1576 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1578 return $distributed;
1582 * Add a shadow entry for a given item id that is a thread starter
1584 * We store every public item entry additionally with the user id "0".
1585 * This is used for the community page and for the search.
1586 * It is planned that in the future we will store public item entries only once.
1588 * @param integer $itemid Item ID that should be added
1589 * @throws \Exception
1591 private static function addShadow($itemid)
1593 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
1594 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1595 $item = Post::selectFirst($fields, $condition);
1597 if (!DBA::isResult($item)) {
1601 // is it already a copy?
1602 if (($itemid == 0) || ($item['uid'] == 0)) {
1606 // Is it a visible public post?
1607 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
1611 // is it an entry from a connector? Only add an entry for natively connected networks
1612 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1616 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
1620 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1622 if (DBA::isResult($item)) {
1623 // Preparing public shadow (removing user specific data)
1626 unset($item['parent']);
1627 unset($item['wall']);
1628 unset($item['mention']);
1629 unset($item['origin']);
1630 unset($item['starred']);
1631 unset($item['postopts']);
1632 unset($item['inform']);
1633 unset($item['post-type']);
1634 if ($item['uri'] == $item['parent-uri']) {
1635 $item['contact-id'] = $item['owner-id'];
1637 $item['contact-id'] = $item['author-id'];
1640 $public_shadow = self::insert($item, false, true);
1642 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1647 * Add a shadow entry for a given item id that is a comment
1649 * This function does the same like the function above - but for comments
1651 * @param integer $itemid Item ID that should be added
1652 * @throws \Exception
1654 private static function addShadowPost($itemid)
1656 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1657 if (!DBA::isResult($item)) {
1661 // Is it a toplevel post?
1662 if ($item['gravity'] == GRAVITY_PARENT) {
1663 self::addShadow($itemid);
1667 // Is this a shadow entry?
1668 if ($item['uid'] == 0) {
1672 // Is there a shadow parent?
1673 if (!Post::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
1677 // Is there already a shadow entry?
1678 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
1682 // Save "origin" and "parent" state
1683 $origin = $item['origin'];
1684 $parent = $item['parent'];
1686 // Preparing public shadow (removing user specific data)
1689 unset($item['parent']);
1690 unset($item['wall']);
1691 unset($item['mention']);
1692 unset($item['origin']);
1693 unset($item['starred']);
1694 unset($item['postopts']);
1695 unset($item['inform']);
1696 unset($item['post-type']);
1697 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1699 $public_shadow = self::insert($item, false, true);
1701 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
1703 // If this was a comment to a Diaspora post we don't get our comment back.
1704 // This means that we have to distribute the comment by ourselves.
1705 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1706 self::distribute($public_shadow);
1711 * Adds a language specification in a "language" element of given $arr.
1712 * Expects "body" element to exist in $arr.
1714 * @param array $item
1715 * @return string detected language
1716 * @throws \Text_LanguageDetect_Exception
1718 private static function getLanguage(array $item)
1720 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1724 // Convert attachments to links
1725 $naked_body = BBCode::removeAttachment($item['body']);
1726 if (empty($naked_body)) {
1730 // Remove links and pictures
1731 $naked_body = BBCode::removeLinks($naked_body);
1733 // Convert the title and the body to plain text
1734 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1736 // Remove possibly remaining links
1737 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1739 if (empty($naked_body)) {
1743 $ld = new Language(DI::l10n()->getAvailableLanguages());
1744 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1745 if (is_array($languages)) {
1746 return json_encode($languages);
1752 public static function getLanguageMessage(array $item)
1754 $iso639 = new \Matriphe\ISO639\ISO639;
1756 $used_languages = '';
1757 foreach (json_decode($item['language'], true) as $language => $reliability) {
1758 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1760 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1761 return $used_languages;
1765 * Creates an unique guid out of a given uri
1767 * @param string $uri uri of an item entry
1768 * @param string $host hostname for the GUID prefix
1769 * @return string unique guid
1771 public static function guidFromUri($uri, $host)
1773 // Our regular guid routine is using this kind of prefix as well
1774 // We have to avoid that different routines could accidentally create the same value
1775 $parsed = parse_url($uri);
1777 // We use a hash of the hostname as prefix for the guid
1778 $guid_prefix = hash("crc32", $host);
1780 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1781 unset($parsed["scheme"]);
1783 // Glue it together to be able to make a hash from it
1784 $host_id = implode("/", $parsed);
1786 // We could use any hash algorithm since it isn't a security issue
1787 $host_hash = hash("ripemd128", $host_id);
1789 return $guid_prefix.$host_hash;
1793 * generate an unique URI
1795 * @param integer $uid User id
1796 * @param string $guid An existing GUID (Otherwise it will be generated)
1799 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1801 public static function newURI($uid, $guid = "")
1804 $guid = System::createUUID();
1807 return DI::baseUrl()->get() . '/objects/' . $guid;
1811 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1813 * This can be used to filter for inactive contacts.
1814 * Only do this for public postings to avoid privacy problems, since poco data is public.
1815 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1817 * @param array $arr Contains the just posted item record
1818 * @throws \Exception
1820 private static function updateContact($arr)
1822 // Unarchive the author
1823 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1824 if (DBA::isResult($contact)) {
1825 Contact::unmarkForArchival($contact);
1828 // Unarchive the contact if it's not our own contact
1829 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1830 if (DBA::isResult($contact)) {
1831 Contact::unmarkForArchival($contact);
1834 /// @todo On private posts we could obfuscate the date
1835 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1837 // Is it a forum? Then we don't care about the rules from above
1838 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
1839 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1845 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1846 // So we have to ensure to only update the last item when it had been our own post,
1847 // or it had been done by a "regular" contact.
1848 if (!empty($arr['wall'])) {
1849 $condition = ['id' => $arr['contact-id']];
1851 $condition = ['id' => $arr['contact-id'], 'self' => false];
1853 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1855 // Now do the same for the system wide contacts with uid=0
1856 if ($arr['private'] != self::PRIVATE) {
1857 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1858 ['id' => $arr['owner-id']]);
1860 if ($arr['owner-id'] != $arr['author-id']) {
1861 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1862 ['id' => $arr['author-id']]);
1867 public static function setHashtags($body)
1869 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1870 $tags = BBCode::getTags($body);
1873 if (!count($tags)) {
1877 // This sorting is important when there are hashtags that are part of other hashtags
1878 // Otherwise there could be problems with hashtags like #test and #test2
1879 // Because of this we are sorting from the longest to the shortest tag.
1880 usort($tags, function ($a, $b) {
1881 return strlen($b) <=> strlen($a);
1884 $URLSearchString = "^\[\]";
1886 // All hashtags should point to the home server if "local_tags" is activated
1887 if (DI::config()->get('system', 'local_tags')) {
1888 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1889 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1892 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1893 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1895 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1898 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1900 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1903 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1905 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1908 // Repair recursive urls
1909 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1912 foreach ($tags as $tag) {
1913 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1917 $basetag = str_replace('_', ' ', substr($tag, 1));
1918 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1920 $body = str_replace($tag, $newtag, $body);
1923 // Convert back the masked hashtags
1924 $body = str_replace("#", "#", $body);
1933 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1936 * @param int $item_id
1937 * @return boolean true if item was deleted, else false
1938 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1939 * @throws \ImagickException
1941 private static function tagDeliver($uid, $item_id)
1945 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1946 if (!DBA::isResult($user)) {
1950 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1951 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1953 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1954 if (!DBA::isResult($item)) {
1958 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1961 * Diaspora uses their own hardwired link URL in @-tags
1962 * instead of the one we supply with webfinger
1964 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1966 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1968 foreach ($matches as $mtch) {
1969 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1971 Logger::log('mention found: ' . $mtch[2]);
1977 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1978 foreach ($tags as $tag) {
1979 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
1981 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
1987 if (($community_page || $prvgroup) &&
1988 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
1989 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
1990 DBA::delete('item', ['id' => $item_id]);
1996 $arr = ['item' => $item, 'user' => $user];
1998 Hook::callAll('tagged', $arr);
2000 if (!$community_page && !$prvgroup) {
2005 * tgroup delivery - setup a second delivery chain
2006 * prevent delivery looping - only proceed
2007 * if the message originated elsewhere and is a top-level post
2009 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2013 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2014 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2015 if (!DBA::isResult($self)) {
2019 $owner_id = Contact::getIdForURL($self['url']);
2021 // also reset all the privacy bits to the forum default permissions
2023 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2025 $psid = PermissionSet::getIdFromACL(
2033 $forum_mode = ($prvgroup ? 2 : 1);
2035 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2036 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2037 self::update($fields, ['id' => $item_id]);
2039 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2041 self::performActivity($item_id, 'announce', $uid);
2047 * Automatically reshare the item if the "remote_self" option is selected
2049 * @param array $item
2052 private static function autoReshare(array $item)
2054 if ($item['gravity'] != GRAVITY_PARENT) {
2058 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2062 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2066 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2068 self::performActivity($item['id'], 'announce', $item['uid']);
2071 public static function isRemoteSelf($contact, &$datarray)
2073 if (!$contact['remote_self']) {
2077 // Prevent the forwarding of posts that are forwarded
2078 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2079 Logger::info('Already forwarded');
2083 // Prevent to forward already forwarded posts
2084 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2085 Logger::info('Already forwarded (second test)');
2089 // Only forward posts
2090 if ($datarray["verb"] != Activity::POST) {
2091 Logger::info('No post');
2095 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2096 Logger::info('Not public');
2100 $datarray2 = $datarray;
2101 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2102 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2103 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2104 ['uid' => $contact['uid'], 'self' => true]);
2105 if (DBA::isResult($self)) {
2106 $datarray['contact-id'] = $self["id"];
2108 $datarray['owner-name'] = $self["name"];
2109 $datarray['owner-link'] = $self["url"];
2110 $datarray['owner-avatar'] = $self["thumb"];
2112 $datarray['author-name'] = $datarray['owner-name'];
2113 $datarray['author-link'] = $datarray['owner-link'];
2114 $datarray['author-avatar'] = $datarray['owner-avatar'];
2116 unset($datarray['edited']);
2118 unset($datarray['network']);
2119 unset($datarray['owner-id']);
2120 unset($datarray['author-id']);
2123 if ($contact['network'] != Protocol::FEED) {
2124 $old_uri_id = $datarray["uri-id"] ?? 0;
2125 $datarray["guid"] = System::createUUID();
2126 unset($datarray["plink"]);
2127 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2128 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2129 $datarray["extid"] = Protocol::DFRN;
2130 $urlpart = parse_url($datarray2['author-link']);
2131 $datarray["app"] = $urlpart["host"];
2132 if (!empty($old_uri_id)) {
2133 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2136 unset($datarray["parent-uri"]);
2137 unset($datarray["thr-parent"]);
2139 $datarray['private'] = self::PUBLIC;
2143 if ($contact['network'] != Protocol::FEED) {
2144 // Store the original post
2145 $result = self::insert($datarray2);
2146 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2148 $datarray["app"] = "Feed";
2152 // Trigger automatic reactions for addons
2153 $datarray['api_source'] = true;
2155 // We have to tell the hooks who we are - this really should be improved
2156 $_SESSION['authenticated'] = true;
2157 $_SESSION['uid'] = $contact['uid'];
2159 return (bool)$result;
2166 * @param array $item
2169 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2170 * @throws \ImagickException
2172 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2174 if (DI::config()->get('system', 'disable_embedded')) {
2178 Logger::info('check for photos');
2179 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2184 $img_start = strpos($orig_body, '[img');
2185 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2186 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2188 while (($img_st_close !== false) && ($img_len !== false)) {
2189 $img_st_close++; // make it point to AFTER the closing bracket
2190 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2192 Logger::info('found photo', ['image' => $image]);
2194 if (stristr($image, $site . '/photo/')) {
2195 // Only embed locally hosted photos
2197 $i = basename($image);
2198 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2199 $x = strpos($i, '-');
2202 $res = substr($i, $x + 1);
2203 $i = substr($i, 0, $x);
2204 $photo = Photo::getPhotoForUser($uid, $i, $res);
2205 if (DBA::isResult($photo)) {
2207 * Check to see if we should replace this photo link with an embedded image
2208 * 1. No need to do so if the photo is public
2209 * 2. If there's a contact-id provided, see if they're in the access list
2210 * for the photo. If so, embed it.
2211 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2212 * permissions, regardless of order but first check to see if they're an exact
2213 * match to save some processing overhead.
2215 if (self::hasPermissions($photo)) {
2217 $recips = self::enumeratePermissions($photo);
2218 if (in_array($cid, $recips)) {
2222 if (self::samePermissions($uid, $item, $photo)) {
2228 $photo_img = Photo::getImageForPhoto($photo);
2229 // If a custom width and height were specified, apply before embedding
2230 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2231 Logger::info('scaling photo');
2233 $width = intval($match[1]);
2234 $height = intval($match[2]);
2236 $photo_img->scaleDown(max($width, $height));
2239 $data = $photo_img->asString();
2240 $type = $photo_img->getType();
2242 Logger::info('replacing photo');
2243 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2244 Logger::debug('replaced', ['image' => $image]);
2250 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2251 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2252 if ($orig_body === false) {
2256 $img_start = strpos($orig_body, '[img');
2257 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2258 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2261 $new_body = $new_body . $orig_body;
2266 private static function hasPermissions($obj)
2268 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2269 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2272 private static function samePermissions($uid, $obj1, $obj2)
2274 // first part is easy. Check that these are exactly the same.
2275 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2276 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2277 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2278 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2282 // This is harder. Parse all the permissions and compare the resulting set.
2283 $recipients1 = self::enumeratePermissions($obj1);
2284 $recipients2 = self::enumeratePermissions($obj2);
2288 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2289 return ($recipients1 == $recipients2);
2293 * Returns an array of contact-ids that are allowed to see this object
2295 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2296 * @param bool $check_dead Prunes unavailable contacts from the result
2298 * @throws \Exception
2300 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2302 $aclFormater = DI::aclFormatter();
2304 $allow_people = $aclFormater->expand($obj['allow_cid']);
2305 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2306 $deny_people = $aclFormater->expand($obj['deny_cid']);
2307 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2308 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2309 $deny = array_unique(array_merge($deny_people, $deny_groups));
2310 $recipients = array_diff($recipients, $deny);
2314 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2316 if (!$uid || ($days < 1)) {
2320 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2321 $uid, GRAVITY_PARENT];
2324 * $expire_network_only = save your own wall posts
2325 * and just expire conversations started by others
2327 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2329 if ($expire_network_only) {
2330 $condition[0] .= " AND NOT `wall`";
2333 if ($network != "") {
2334 $condition[0] .= " AND `network` = ?";
2335 $condition[] = $network;
2338 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2339 $condition[] = $days;
2341 $items = Post::select(['resource-id', 'starred', 'type', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2343 if (!DBA::isResult($items)) {
2347 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2349 // Forcing expiring of items - but not notes and marked items
2351 $expire_items = true;
2354 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2355 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2356 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2360 $priority = DI::config()->get('system', 'expire-notify-priority');
2362 while ($item = Post::fetch($items)) {
2363 // don't expire filed items
2364 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2368 // Only expire posts, not photos and photo comments
2370 if (!$expire_photos && strlen($item['resource-id'])) {
2372 } elseif (!$expire_starred && intval($item['starred'])) {
2374 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
2376 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2380 self::markForDeletionById($item['id'], $priority);
2385 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2388 public static function firstPostDate($uid, $wall = false)
2390 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2391 $params = ['order' => ['received' => false]];
2392 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
2393 if (DBA::isResult($thread)) {
2394 return substr(DateTimeFormat::local($thread['received']), 0, 10);
2400 * add/remove activity to an item
2402 * Toggle activities as like,dislike,attend of an item
2404 * @param int $item_id
2405 * @param string $verb
2406 * Activity verb. One of
2407 * like, unlike, dislike, undislike, attendyes, unattendyes,
2408 * attendno, unattendno, attendmaybe, unattendmaybe,
2409 * announce, unannouce
2411 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2412 * @throws \ImagickException
2413 * @hook 'post_local_end'
2415 * 'post_id' => ID of posted item
2417 public static function performActivity(int $item_id, string $verb, int $uid)
2423 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2425 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2426 if (!DBA::isResult($item)) {
2427 Logger::log('like: unknown item ' . $item_id);
2431 $item_uri = $item['uri'];
2433 if (!in_array($item['uid'], [0, $uid])) {
2437 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2438 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2439 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2440 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2441 if (!DBA::isResult($item)) {
2442 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
2448 // Retrieves the local post owner
2449 $owner = User::getOwnerDataById($uid);
2450 if (empty($owner)) {
2451 Logger::info('Empty owner for user', ['uid' => $uid]);
2455 // Retrieve the current logged in user's public contact
2456 $author_id = Contact::getIdForURL($owner['url']);
2457 if (empty($author_id)) {
2458 Logger::info('Empty public contact');
2466 $activity = Activity::LIKE;
2470 $activity = Activity::DISLIKE;
2474 $activity = Activity::ATTEND;
2478 $activity = Activity::ATTENDNO;
2481 case 'unattendmaybe':
2482 $activity = Activity::ATTENDMAYBE;
2486 $activity = Activity::FOLLOW;
2490 $activity = Activity::ANNOUNCE;
2493 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2497 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2499 // Enable activity toggling instead of on/off
2500 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2502 // Look for an existing verb row
2503 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2504 if ($event_verb_flag) {
2505 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2507 // Translate to the index based activity index
2509 foreach ($verbs as $verb) {
2510 $vids[] = Verb::getID($verb);
2513 $vids = Verb::getID($activity);
2516 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2517 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
2518 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2520 if (DBA::isResult($like_item)) {
2522 * Truth table for existing activities
2524 * | Inputs || Outputs |
2525 * |----------------------------||-------------------|
2526 * | Mode | Event | Same verb || Delete? | Return? |
2527 * |--------|-------|-----------||---------|---------|
2528 * | create | Yes | Yes || No | Yes |
2529 * | create | Yes | No || Yes | No |
2530 * | create | No | Yes || No | Yes |
2531 * | create | No | No || N/A†|
2532 * | delete | Yes | Yes || Yes | N/A‡ |
2533 * | delete | Yes | No || No | N/A‡ |
2534 * | delete | No | Yes || Yes | N/A‡ |
2535 * | delete | No | No || N/A†|
2536 * |--------|-------|-----------||---------|---------|
2537 * | A | B | C || A xor C | !B or C |
2539 * †Can't happen: It's impossible to find an existing non-event activity without
2540 * the same verb because we are only looking for this single verb.
2542 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2544 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2545 self::markForDeletionById($like_item['id']);
2548 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2553 // No need to go further if we aren't creating anything
2554 if ($mode == 'delete') {
2558 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2561 'guid' => System::createUUID(),
2562 'uri' => self::newURI($item['uid']),
2563 'uid' => $item['uid'],
2564 'contact-id' => $owner['id'],
2565 'wall' => $item['wall'],
2567 'network' => Protocol::DFRN,
2568 'protocol' => Conversation::PARCEL_DIRECT,
2569 'direction' => Conversation::PUSH,
2570 'gravity' => GRAVITY_ACTIVITY,
2571 'parent' => $item['id'],
2572 'thr-parent' => $item['uri'],
2573 'owner-id' => $author_id,
2574 'author-id' => $author_id,
2575 'body' => $activity,
2576 'verb' => $activity,
2577 'object-type' => $objtype,
2578 'allow_cid' => $item['allow_cid'],
2579 'allow_gid' => $item['allow_gid'],
2580 'deny_cid' => $item['deny_cid'],
2581 'deny_gid' => $item['deny_gid'],
2586 $signed = Diaspora::createLikeSignature($uid, $new_item);
2587 if (!empty($signed)) {
2588 $new_item['diaspora_signed_text'] = json_encode($signed);
2591 $new_item_id = self::insert($new_item);
2593 // If the parent item isn't visible then set it to visible
2594 if (!$item['visible']) {
2595 self::update(['visible' => true], ['id' => $item['id']]);
2598 $new_item['id'] = $new_item_id;
2600 Hook::callAll('post_local_end', $new_item);
2605 private static function addThread($itemid, $onlyshadow = false)
2607 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2608 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
2609 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2610 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2611 $item = Post::selectFirst($fields, $condition);
2613 if (!DBA::isResult($item)) {
2617 $item['iid'] = $itemid;
2620 $result = DBA::replace('thread', $item);
2622 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
2626 private static function updateThread($itemid, $setmention = false)
2628 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
2629 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
2630 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2632 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
2633 if (!DBA::isResult($item)) {
2638 $item["mention"] = 1;
2643 foreach ($item as $field => $data) {
2644 if (!in_array($field, ["guid"])) {
2645 $fields[$field] = $data;
2649 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
2651 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
2654 private static function deleteThread($itemid, $itemuri = "")
2656 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2657 if (!DBA::isResult($item)) {
2658 Logger::info('No thread found', ['id' => $itemid]);
2662 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
2664 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
2666 if ($itemuri != "") {
2667 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2668 if (!Post::exists($condition)) {
2669 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2670 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
2676 * Fetch the SQL condition for the given user id
2678 * @param integer $owner_id User ID for which the permissions should be fetched
2679 * @return array condition
2681 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2683 $local_user = local_user();
2684 $remote_user = Session::getRemoteContactID($owner_id);
2686 // default permissions - anonymous user
2687 $condition = ["`private` != ?", self::PRIVATE];
2689 if ($local_user && ($local_user == $owner_id)) {
2690 // Profile owner - everything is visible
2692 } elseif ($remote_user) {
2693 // Authenticated visitor - fetch the matching permissionsets
2694 $set = PermissionSet::get($owner_id, $remote_user);
2696 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2697 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2698 self::PRIVATE, self::PRIVATE];
2699 $condition = array_merge($condition, $set);
2707 * Get a permission SQL string for the given user
2709 * @param int $owner_id
2710 * @param string $table
2713 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2715 $local_user = local_user();
2716 $remote_user = Session::getRemoteContactID($owner_id);
2718 if (!empty($table)) {
2719 $table = DBA::quoteIdentifier($table) . '.';
2723 * Construct permissions
2725 * default permissions - anonymous user
2727 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2729 // Profile owner - everything is visible
2730 if ($local_user && ($local_user == $owner_id)) {
2732 } elseif ($remote_user) {
2734 * Authenticated visitor. Unless pre-verified,
2735 * check that the contact belongs to this $owner_id
2736 * and load the groups the visitor belongs to.
2737 * If pre-verified, the caller is expected to have already
2738 * done this and passed the groups into this function.
2740 $set = PermissionSet::get($owner_id, $remote_user);
2743 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2748 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2755 * get translated item type
2760 public static function postType($item)
2762 if (!empty($item['event-id'])) {
2763 return DI::l10n()->t('event');
2764 } elseif (!empty($item['resource-id'])) {
2765 return DI::l10n()->t('photo');
2766 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2767 return DI::l10n()->t('activity');
2768 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2769 return DI::l10n()->t('comment');
2772 return DI::l10n()->t('post');
2776 * Sets the "rendered-html" field of the provided item
2778 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2780 * @param array $item
2781 * @param bool $update
2783 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2784 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2786 public static function putInCache(&$item, $update = false)
2788 // Save original body to prevent addons to modify it
2789 $body = $item['body'];
2791 $rendered_hash = $item['rendered-hash'] ?? '';
2792 $rendered_html = $item['rendered-html'] ?? '';
2794 if ($rendered_hash == ''
2795 || $rendered_html == ''
2796 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2797 || DI::config()->get('system', 'ignore_cache')
2799 self::addRedirToImageTags($item);
2801 $item['rendered-html'] = BBCode::convert($item['body']);
2802 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2804 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2805 Hook::callAll('put_item_in_cache', $hook_data);
2806 $item['rendered-html'] = $hook_data['rendered-html'];
2807 $item['rendered-hash'] = $hook_data['rendered-hash'];
2810 // Force an update if the generated values differ from the existing ones
2811 if ($rendered_hash != $item['rendered-hash']) {
2815 // Only compare the HTML when we forcefully ignore the cache
2816 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
2820 if ($update && !empty($item['id'])) {
2823 'rendered-html' => $item['rendered-html'],
2824 'rendered-hash' => $item['rendered-hash']
2826 ['id' => $item['id']]
2831 $item['body'] = $body;
2835 * Find any non-embedded images in private items and add redir links to them
2837 * @param array &$item The field array of an item row
2839 private static function addRedirToImageTags(array &$item)
2844 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2846 foreach ($matches as $mtch) {
2847 if (strpos($mtch[1], '/redir') !== false) {
2851 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2852 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2853 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2860 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2861 * If attach is true, also add icons for item attachments.
2863 * @param array $item
2864 * @param boolean $attach
2865 * @param boolean $is_preview
2866 * @return string item body html
2867 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2868 * @throws \ImagickException
2869 * @hook prepare_body_init item array before any work
2870 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2871 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2872 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2874 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2877 Hook::callAll('prepare_body_init', $item);
2879 // In order to provide theme developers more possibilities, event items
2880 // are treated differently.
2881 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2882 $ev = Event::getItemHTML($item);
2886 $tags = Tag::populateFromItem($item);
2888 $item['tags'] = $tags['tags'];
2889 $item['hashtags'] = $tags['hashtags'];
2890 $item['mentions'] = $tags['mentions'];
2892 // Compile eventual content filter reasons
2893 $filter_reasons = [];
2894 if (!$is_preview && public_contact() != $item['author-id']) {
2895 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2896 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2901 'filter_reasons' => $filter_reasons
2903 Hook::callAll('prepare_body_content_filter', $hook_data);
2904 $filter_reasons = $hook_data['filter_reasons'];
2908 // Update the cached values if there is no "zrl=..." on the links.
2909 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
2911 // Or update it if the current viewer is the intented viewer.
2912 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
2916 self::putInCache($item, $update);
2917 $s = $item["rendered-html"];
2922 'preview' => $is_preview,
2923 'filter_reasons' => $filter_reasons
2925 Hook::callAll('prepare_body', $hook_data);
2926 $s = $hook_data['html'];
2930 // Replace the blockquotes with quotes that are used in mails.
2931 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2932 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2938 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
2939 $mime = $attachment['mimetype'];
2941 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
2943 if (strpos($mime, 'video') !== false) {
2946 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
2949 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2951 'id' => $item['author-id'],
2952 'title' => DI::l10n()->t('View Video'),
2959 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
2961 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
2962 $filesubtype = str_replace('.', '-', $filesubtype);
2965 $filesubtype = 'unkn';
2968 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
2969 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
2971 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
2972 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
2976 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
2980 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2981 $x = Map::byCoordinates(trim($item['coord']));
2983 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2987 // Replace friendica image url size with theme preference.
2988 if (!empty($a->theme_info['item_image_size'])) {
2989 $ps = $a->theme_info['item_image_size'];
2990 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2993 $s = HTML::applyContentFilter($s, $filter_reasons);
2995 $hook_data = ['item' => $item, 'html' => $s];
2996 Hook::callAll('prepare_body_final', $hook_data);
2998 return $hook_data['html'];
3002 * get private link for item
3004 * @param array $item
3005 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3006 * @throws \Exception
3008 public static function getPlink($item)
3012 'href' => "display/" . $item['guid'],
3013 'orig' => "display/" . $item['guid'],
3014 'title' => DI::l10n()->t('View on separate page'),
3015 'orig_title' => DI::l10n()->t('view on separate page'),
3018 if (!empty($item['plink'])) {
3019 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3020 $ret["title"] = DI::l10n()->t('link to source');
3022 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3024 'href' => $item['plink'],
3025 'orig' => $item['plink'],
3026 'title' => DI::l10n()->t('link to source'),
3036 * Is the given item array a post that is sent as starting post to a forum?
3038 * @param array $item
3039 * @param array $owner
3041 * @return boolean "true" when it is a forum post
3043 public static function isForumPost(array $item, array $owner = [])
3045 if (empty($owner)) {
3046 $owner = User::getOwnerDataById($item['uid']);
3047 if (empty($owner)) {
3052 if (($item['author-id'] == $item['owner-id']) ||
3053 ($owner['id'] == $item['contact-id']) ||
3054 ($item['uri'] != $item['parent-uri']) ||
3059 return Contact::isForum($item['contact-id']);
3063 * Search item id for given URI or plink
3065 * @param string $uri
3066 * @param integer $uid
3068 * @return integer item id
3070 public static function searchByLink($uri, $uid = 0)
3072 $ssl_uri = str_replace('http://', 'https://', $uri);
3073 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3075 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3076 if (DBA::isResult($item)) {
3080 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3081 if (!DBA::isResult($itemcontent)) {
3085 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3086 if (!DBA::isResult($itemuri)) {
3090 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3091 if (DBA::isResult($item)) {
3099 * Return the URI for a link to the post
3101 * @param string $uri URI or link to post
3103 * @return string URI
3105 public static function getURIByLink(string $uri)
3107 $ssl_uri = str_replace('http://', 'https://', $uri);
3108 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3110 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3111 if (DBA::isResult($item)) {
3112 return $item['uri'];
3115 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3116 if (!DBA::isResult($itemcontent)) {
3120 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3121 if (DBA::isResult($itemuri)) {
3122 return $itemuri['uri'];
3129 * Fetches item for given URI or plink
3131 * @param string $uri
3132 * @param integer $uid
3134 * @return integer item id
3136 public static function fetchByLink(string $uri, int $uid = 0)
3138 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3139 $item_id = self::searchByLink($uri, $uid);
3140 if (!empty($item_id)) {
3141 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3145 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3146 $item_id = self::searchByLink($fetched_uri, $uid);
3148 $item_id = Diaspora::fetchByURL($uri);
3151 if (!empty($item_id)) {
3152 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3156 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3161 * Return share data from an item array (if the item is shared item)
3162 * We are providing the complete Item array, because at some time in the future
3163 * we hopefully will define these values not in the body anymore but in some item fields.
3164 * This function is meant to replace all similar functions in the system.
3166 * @param array $item
3168 * @return array with share information
3170 public static function getShareArray($item)
3172 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3176 $attribute_string = $matches[2];
3177 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3178 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3179 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3180 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3187 * Fetch item information for shared items from the original items and adds it.
3189 * @param array $item
3191 * @return array item array with data from the original item
3193 public static function addShareDataFromOriginal(array $item)
3195 $shared = self::getShareArray($item);
3196 if (empty($shared)) {
3200 // Real reshares always have got a GUID.
3201 if (empty($shared['guid'])) {
3205 $uid = $item['uid'] ?? 0;
3207 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3208 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3209 if (!DBA::isResult($shared_item)) {
3210 if (empty($shared['link'])) {
3214 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3215 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3217 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3221 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3222 if (!DBA::isResult($shared_item)) {
3225 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3227 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3230 if (!empty($shared_item['title'])) {
3231 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3232 unset($shared_item['title']);
3234 $body = $shared_item['body'];
3237 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3238 unset($shared_item['body']);
3240 return array_merge($item, $shared_item);
3244 * Check a prospective item array against user-level permissions
3246 * @param array $item Expected keys: uri, gravity, and
3247 * author-link if is author-id is set,
3248 * owner-link if is owner-id is set,
3249 * causer-link if is causer-id is set.
3250 * @param int $user_id Local user ID
3252 * @throws \Exception
3254 protected static function isAllowedByUser(array $item, int $user_id)
3256 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3257 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3261 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3262 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3266 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3267 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3268 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3272 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3273 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);