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', 'guid', 'network', 'gravity',
77 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
78 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
79 'wall', 'private', 'starred', 'origin', 'title', 'body', 'language',
80 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
81 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
82 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
83 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
84 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
85 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
86 'writable', 'self', 'cid', 'alias',
87 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
88 'event-summary', 'event-desc', 'event-location', 'event-type',
89 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
90 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
93 // Field list that is used to deliver items via the protocols
94 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
95 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
96 'private', 'title', 'body', 'location', 'coord', 'app',
97 'deleted', 'extid', 'post-type', 'gravity',
98 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
99 'author-id', 'author-link', 'owner-link', 'contact-uid',
100 'signed_text', 'network'];
102 // Field list for "item-content" table that is mixed with the item table
103 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
104 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
105 'object-type', 'object', 'target-type', 'target', 'plink'];
107 // Field list for "item-content" table that is not present in the "item" table
108 const CONTENT_FIELDLIST = ['language', 'raw-body'];
110 // All fields in the item table
111 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
112 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
113 'contact-id', 'type', 'wall', 'gravity', 'extid', 'psid',
114 'created', 'edited', 'commented', 'received', 'changed', 'verb',
115 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
116 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
117 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
118 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
119 'title', 'content-warning', 'body', 'location', 'coord', 'app',
120 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
121 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
122 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
124 // List of all verbs that don't need additional content data.
125 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
127 Activity::LIKE, Activity::DISLIKE,
128 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
136 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
138 private static function getItemFields()
140 $definition = DBStructure::definition('', false);
143 foreach (self::TABLES as $table) {
144 $postfields[$table] = array_keys($definition[$table]['fields']);
151 * Set the pinned state of an item
153 * @param integer $iid Item ID
154 * @param integer $uid User ID
155 * @param boolean $pinned Pinned state
157 public static function setPinned(int $iid, int $uid, bool $pinned)
159 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
163 * Get the pinned state
165 * @param integer $iid Item ID
166 * @param integer $uid User ID
168 * @return boolean pinned state
170 public static function getPinned(int $iid, int $uid)
172 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
173 if (!DBA::isResult($useritem)) {
176 return (bool)$useritem['pinned'];
180 * Update existing item entries
182 * @param array $fields The fields that are to be changed
183 * @param array $condition The condition for finding the item entries
185 * In the future we may have to change permissions as well.
186 * Then we had to add the user id as third parameter.
188 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
190 * @return integer|boolean number of affected rows - or "false" if there was an error
191 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
193 public static function update(array $fields, array $condition)
195 if (empty($condition) || empty($fields)) {
199 if (!empty($fields['verb'])) {
200 $fields['vid'] = Verb::getID($fields['verb']);
203 $rows = Post::update($fields, $condition);
204 if (is_bool($rows)) {
208 // We only need to call the line by line update for specific fields
209 if (empty($fields['body']) && empty($fields['file']) &&
210 empty($fields['attach']) && empty($fields['edited'])) {
214 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
216 $items = Post::select(['id', 'origin', 'uri-id', 'uid'], $condition);
220 while ($item = DBA::fetch($items)) {
221 if (!empty($fields['body'])) {
222 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
224 // Remove all media attachments from the body and store them in the post-media table
225 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
226 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
227 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
230 if (!empty($fields['file'])) {
231 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
234 if (!empty($fields['attach'])) {
235 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
238 // We only need to notfiy others when it is an original entry from us.
239 // Only call the notifier when the item has some content relevant change.
240 if ($item['origin'] && in_array('edited', array_keys($fields))) {
241 $notify_items[] = $item['id'];
247 foreach ($notify_items as $notify_item) {
248 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
255 * Delete an item and notify others about it - if it was ours
257 * @param array $condition The condition for finding the item entries
258 * @param integer $priority Priority for the notification
259 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
261 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
263 $items = Post::select(['id'], $condition);
264 while ($item = Post::fetch($items)) {
265 self::markForDeletionById($item['id'], $priority);
271 * Delete an item for an user and notify others about it - if it was ours
273 * @param array $condition The condition for finding the item entries
274 * @param integer $uid User who wants to delete this item
275 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
277 public static function deleteForUser($condition, $uid)
283 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
284 while ($item = Post::fetch($items)) {
285 if (in_array($item['uid'], [$uid, 0])) {
286 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
289 // "Deleting" global items just means hiding them
290 if ($item['uid'] == 0) {
291 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
292 } elseif ($item['uid'] == $uid) {
293 self::markForDeletionById($item['id'], PRIORITY_HIGH);
295 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
302 * Mark an item for deletion, delete related data and notify others about it - if it was ours
304 * @param integer $item_id
305 * @param integer $priority Priority for the notification
307 * @return boolean success
308 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
310 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
312 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
313 // locate item to be deleted
314 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
315 'deleted', 'resource-id', 'event-id',
316 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
317 $item = Post::selectFirst($fields, ['id' => $item_id]);
318 if (!DBA::isResult($item)) {
319 Logger::info('Item not found.', ['id' => $item_id]);
323 if ($item['deleted']) {
324 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
328 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
329 if (!DBA::isResult($parent)) {
330 $parent = ['origin' => false];
333 // clean up categories and tags so they don't end up as orphans
334 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
337 * If item is a link to a photo resource, nuke all the associated photos
338 * (visitors will not have photo resources)
339 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
340 * generate a resource-id and therefore aren't intimately linked to the item.
342 /// @TODO: this should first check if photo is used elsewhere
343 if (strlen($item['resource-id'])) {
344 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
347 // If item is a link to an event, delete the event.
348 if (intval($item['event-id'])) {
349 Event::delete($item['event-id']);
352 // If item has attachments, drop them
353 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
354 foreach($attachments as $attachment) {
355 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
356 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
360 // Set the item to "deleted"
361 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
362 DBA::update('item', $item_fields, ['id' => $item['id']]);
364 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
365 self::deleteThread($item['id'], $item['parent-uri-id']);
367 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
368 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
371 Post\DeliveryData::delete($item['uri-id']);
373 // When the permission set will be used in photo and events as well,
374 // this query here needs to be extended.
375 // @todo Currently deactivated. We need the permission set in the deletion process.
376 // This is a reminder to add the removal somewhere else.
377 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
378 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
381 // If it's the parent of a comment thread, kill all the kids
382 if ($item['gravity'] == GRAVITY_PARENT) {
383 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
386 // Is it our comment and/or our thread?
387 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
388 // When we delete the original post we will delete all existing copies on the server as well
389 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
391 // send the notification upstream/downstream
393 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
395 } elseif ($item['uid'] != 0) {
396 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
398 // When we delete just our local user copy of an item, we have to set a marker to hide it
399 $global_item = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false]);
400 if (DBA::isResult($global_item)) {
401 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
405 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
410 private static function guid($item, $notify)
412 if (!empty($item['guid'])) {
413 return Strings::escapeTags(trim($item['guid']));
417 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
418 // We add the hash of our own host because our host is the original creator of the post.
419 $prefix_host = DI::baseUrl()->getHostname();
423 // We are only storing the post so we create a GUID from the original hostname.
424 if (!empty($item['author-link'])) {
425 $parsed = parse_url($item['author-link']);
426 if (!empty($parsed['host'])) {
427 $prefix_host = $parsed['host'];
431 if (empty($prefix_host) && !empty($item['plink'])) {
432 $parsed = parse_url($item['plink']);
433 if (!empty($parsed['host'])) {
434 $prefix_host = $parsed['host'];
438 if (empty($prefix_host) && !empty($item['uri'])) {
439 $parsed = parse_url($item['uri']);
440 if (!empty($parsed['host'])) {
441 $prefix_host = $parsed['host'];
445 // Is it in the format data@host.tld? - Used for mail contacts
446 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
447 $mailparts = explode('@', $item['author-link']);
448 $prefix_host = array_pop($mailparts);
452 if (!empty($item['plink'])) {
453 $guid = self::guidFromUri($item['plink'], $prefix_host);
454 } elseif (!empty($item['uri'])) {
455 $guid = self::guidFromUri($item['uri'], $prefix_host);
457 $guid = System::createUUID(hash('crc32', $prefix_host));
463 private static function contactId($item)
465 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
466 return $item['contact-id'];
467 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
468 return $item['contact-id'];
469 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
470 return $item['author-id'];
471 } elseif (!empty($item['contact-id'])) {
472 return $item['contact-id'];
474 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
475 if (!empty($contact_id)) {
479 return $item['author-id'];
483 * Write an item array into a spool file to be inserted later.
484 * This command is called whenever there are issues storing an item.
486 * @param array $item The item fields that are to be inserted
489 private static function spool($orig_item)
491 // Now we store the data in the spool directory
492 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
493 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
495 $spoolpath = get_spoolpath();
496 if ($spoolpath != "") {
497 $spool = $spoolpath . '/' . $file;
499 file_put_contents($spool, json_encode($orig_item));
500 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
505 * Check if the item array is a duplicate
508 * @return boolean is it a duplicate?
510 private static function isDuplicate(array $item)
512 // Checking if there is already an item with the same guid
513 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
514 if (Post::exists($condition)) {
515 Logger::notice('Found already existing item', [
516 'guid' => $item['guid'],
517 'uid' => $item['uid'],
518 'network' => $item['network']
523 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
524 'network' => [$item['network'], Protocol::DFRN]];
525 if (Post::exists($condition)) {
526 Logger::notice('duplicated item with the same uri found.', $item);
530 // On Friendica and Diaspora the GUID is unique
531 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
532 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
533 if (Post::exists($condition)) {
534 Logger::notice('duplicated item with the same guid found.', $item);
537 } elseif ($item['network'] == Protocol::OSTATUS) {
538 // Check for an existing post with the same content. There seems to be a problem with OStatus.
539 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
540 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
541 if (Post::exists($condition)) {
542 Logger::notice('duplicated item with the same body found.', $item);
548 * Check for already added items.
549 * There is a timing issue here that sometimes creates double postings.
550 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
552 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
553 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
561 * Check if the item array is valid
564 * @return boolean item is valid
566 public static function isValid(array $item)
568 // When there is no content then we don't post it
569 if ($item['body'] . $item['title'] == '') {
570 Logger::notice('No body, no title.');
574 if (!empty($item['uid'])) {
575 $owner = User::getOwnerDataById($item['uid'], false);
577 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
581 if ($owner['account_expired'] || $owner['account_removed']) {
582 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
587 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
588 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
592 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
593 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
597 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
598 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
602 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
603 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
607 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
611 if ($item['verb'] == Activity::FOLLOW) {
612 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
613 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
614 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
618 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
619 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
620 if (Post::exists($condition)) {
621 // It happens that we receive multiple follow requests by the same author - we only store one.
622 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
631 * Check if the item array is too old
634 * @return boolean item is too old
636 public static function isTooOld(array $item)
638 // check for create date and expire time
639 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
641 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
642 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
643 $expire_interval = $user['expire'];
646 if (($expire_interval > 0) && !empty($item['created'])) {
647 $expire_date = time() - ($expire_interval * 86400);
648 $created_date = strtotime($item['created']);
649 if ($created_date < $expire_date) {
650 Logger::notice('Item created before expiration interval.', [
651 'created' => date('c', $created_date),
652 'expired' => date('c', $expire_date),
663 * Return the id of the given item array if it has been stored before
666 * @return integer item id
668 private static function getDuplicateID(array $item)
670 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
671 $condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
672 $item['uri-id'], $item['uid'],
673 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
674 $existing = Post::selectFirst(['id', 'network'], $condition);
675 if (DBA::isResult($existing)) {
676 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
677 if ($item['uid'] != 0) {
678 Logger::notice('Item already existed for user', [
679 'uri-id' => $item['uri-id'],
680 'uid' => $item['uid'],
681 'network' => $item['network'],
682 'existing_id' => $existing["id"],
683 'existing_network' => $existing["network"]
687 return $existing["id"];
694 * Fetch top-level parent data for the given item array
697 * @return array item array with parent data
700 private static function getTopLevelParent(array $item)
702 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
703 'uri-id', 'parent-uri-id',
704 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
705 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
706 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
707 $params = ['order' => ['id' => false]];
708 $parent = Post::selectFirst($fields, $condition, $params);
710 if (!DBA::isResult($parent)) {
711 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
715 if ($parent['uri-id'] == $parent['parent-uri-id']) {
719 $condition = ['uri-id' => $parent['parent-uri-id'],
720 'parent-uri-id' => $parent['parent-uri-id'],
721 'uid' => $parent['uid']];
722 $params = ['order' => ['id' => false]];
723 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
724 if (!DBA::isResult($toplevel_parent)) {
725 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
729 return $toplevel_parent;
733 * Get the gravity for the given item array
736 * @return integer gravity
738 private static function getGravity(array $item)
740 $activity = DI::activity();
742 if (isset($item['gravity'])) {
743 return intval($item['gravity']);
744 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
745 return GRAVITY_PARENT;
746 } elseif ($activity->match($item['verb'], Activity::POST)) {
747 return GRAVITY_COMMENT;
748 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
749 return GRAVITY_ACTIVITY;
750 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
751 return GRAVITY_ACTIVITY;
753 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
754 return GRAVITY_UNKNOWN; // Should not happen
757 public static function insert($item, $notify = false, $dontcache = false)
759 $structure = self::getItemFields();
763 $priority = PRIORITY_HIGH;
765 // If it is a posting where users should get notifications, then define it as wall posting
769 $item['network'] = Protocol::DFRN;
770 $item['protocol'] = Conversation::PARCEL_DIRECT;
771 $item['direction'] = Conversation::PUSH;
773 if (in_array($notify, PRIORITIES)) {
777 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
780 $uid = intval($item['uid']);
782 $item['guid'] = self::guid($item, $notify);
783 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
786 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
788 // Backward compatibility: parent-uri used to be the direct parent uri.
789 // If it is provided without a thr-parent, it probably is the old behavior.
790 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
791 $item['parent-uri'] = $item['thr-parent'];
793 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
795 // Store conversation data
796 $item = Conversation::insert($item);
799 * Do we already have this item?
800 * We have to check several networks since Friendica posts could be repeated
801 * via OStatus (maybe Diasporsa as well)
803 $duplicate = self::getDuplicateID($item);
808 // Additional duplicate checks
809 /// @todo Check why the first duplication check returns the item number and the second a 0
810 if (self::isDuplicate($item)) {
814 $item['wall'] = intval($item['wall'] ?? 0);
815 $item['extid'] = trim($item['extid'] ?? '');
816 $item['author-name'] = trim($item['author-name'] ?? '');
817 $item['author-link'] = trim($item['author-link'] ?? '');
818 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
819 $item['owner-name'] = trim($item['owner-name'] ?? '');
820 $item['owner-link'] = trim($item['owner-link'] ?? '');
821 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
822 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
823 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
824 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
825 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
826 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
827 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
828 $item['location'] = trim($item['location'] ?? '');
829 $item['coord'] = trim($item['coord'] ?? '');
830 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
831 $item['deleted'] = 0;
832 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
833 $item['verb'] = trim($item['verb'] ?? '');
834 $item['object-type'] = trim($item['object-type'] ?? '');
835 $item['object'] = trim($item['object'] ?? '');
836 $item['target-type'] = trim($item['target-type'] ?? '');
837 $item['target'] = trim($item['target'] ?? '');
838 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
839 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
840 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
841 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
842 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
843 $item['private'] = intval($item['private'] ?? self::PUBLIC);
844 $item['body'] = trim($item['body'] ?? '');
845 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
846 $item['app'] = trim($item['app'] ?? '');
847 $item['origin'] = intval($item['origin'] ?? 0);
848 $item['postopts'] = trim($item['postopts'] ?? '');
849 $item['resource-id'] = trim($item['resource-id'] ?? '');
850 $item['event-id'] = intval($item['event-id'] ?? 0);
851 $item['inform'] = trim($item['inform'] ?? '');
852 $item['file'] = trim($item['file'] ?? '');
854 // Items cannot be stored before they happen ...
855 if ($item['created'] > DateTimeFormat::utcNow()) {
856 $item['created'] = DateTimeFormat::utcNow();
859 // We haven't invented time travel by now.
860 if ($item['edited'] > DateTimeFormat::utcNow()) {
861 $item['edited'] = DateTimeFormat::utcNow();
864 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
866 $item['gravity'] = self::getGravity($item);
868 $item['language'] = self::getLanguage($item);
870 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
871 'photo' => $item['author-avatar'], 'network' => $item['network']];
872 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
874 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
875 'photo' => $item['owner-avatar'], 'network' => $item['network']];
876 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
878 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
879 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
880 $item['post-type'] = self::PT_FOLLOWER;
883 // Ensure that there is an avatar cache
884 Contact::checkAvatarCache($item['author-id']);
885 Contact::checkAvatarCache($item['owner-id']);
887 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
888 $item["contact-id"] = self::contactId($item);
890 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
891 self::isTooOld($item)) {
892 Logger::info('Item is too old', ['item' => $item]);
896 if (!self::isValid($item)) {
900 if ($item['gravity'] !== GRAVITY_PARENT) {
901 $toplevel_parent = self::getTopLevelParent($item);
902 if (empty($toplevel_parent)) {
906 // If the thread originated from this node, we check the permission against the thread starter
907 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
908 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
909 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
913 $parent_id = $toplevel_parent['id'];
914 $item['parent-uri'] = $toplevel_parent['uri'];
915 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
916 $item['deleted'] = $toplevel_parent['deleted'];
917 $item['allow_cid'] = $toplevel_parent['allow_cid'];
918 $item['allow_gid'] = $toplevel_parent['allow_gid'];
919 $item['deny_cid'] = $toplevel_parent['deny_cid'];
920 $item['deny_gid'] = $toplevel_parent['deny_gid'];
921 $parent_origin = $toplevel_parent['origin'];
923 // Don't federate received participation messages
924 if ($item['verb'] != Activity::FOLLOW) {
925 $item['wall'] = $toplevel_parent['wall'];
927 $item['wall'] = false;
931 * If the parent is private, force privacy for the entire conversation
932 * This differs from the above settings as it subtly allows comments from
933 * email correspondents to be private even if the overall thread is not.
935 if ($toplevel_parent['private']) {
936 $item['private'] = $toplevel_parent['private'];
940 * Edge case. We host a public forum that was originally posted to privately.
941 * The original author commented, but as this is a comment, the permissions
942 * weren't fixed up so it will still show the comment as private unless we fix it here.
944 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
945 $item['private'] = self::PUBLIC;
948 // If its a post that originated here then tag the thread as "mention"
949 if ($item['origin'] && $item['uid']) {
950 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
951 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
954 // Update the contact relations
955 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
957 unset($item['parent_origin']);
960 $parent_origin = $item['origin'];
963 // We don't store the causer link, only the id
964 unset($item['causer-link']);
966 // We don't store these fields anymore in the item table
967 unset($item['author-link']);
968 unset($item['author-name']);
969 unset($item['author-avatar']);
970 unset($item['author-network']);
972 unset($item['owner-link']);
973 unset($item['owner-name']);
974 unset($item['owner-avatar']);
976 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
977 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
979 // Is this item available in the global items (with uid=0)?
980 if ($item["uid"] == 0) {
981 $item["global"] = true;
983 // Set the global flag on all items if this was a global item entry
984 DBA::update('item', ['global' => true], ['uri-id' => $item['uri-id']]);
986 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
990 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
991 $item["private"] = self::PRIVATE;
995 $item['edit'] = false;
996 $item['parent'] = $parent_id;
997 Hook::callAll('post_local', $item);
998 unset($item['edit']);
1000 Hook::callAll('post_remote', $item);
1003 // Set after the insert because top-level posts are self-referencing
1004 unset($item['parent']);
1006 if (!empty($item['cancel'])) {
1007 Logger::log('post cancelled by addon.');
1011 if (empty($item['vid']) && !empty($item['verb'])) {
1012 $item['vid'] = Verb::getID($item['verb']);
1015 // Creates or assigns the permission set
1016 $item['psid'] = PermissionSet::getIdFromACL(
1024 unset($item['allow_cid']);
1025 unset($item['allow_gid']);
1026 unset($item['deny_cid']);
1027 unset($item['deny_gid']);
1029 // This array field is used to trigger some automatic reactions
1030 // It is mainly used in the "post_local" hook.
1031 unset($item['api_source']);
1033 if ($item['verb'] == Activity::ANNOUNCE) {
1034 self::setOwnerforResharedItem($item);
1037 // Remove all media attachments from the body and store them in the post-media table
1038 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1039 $item['raw-body'] = self::setHashtags($item['raw-body']);
1041 // Check for hashtags in the body and repair or add hashtag links
1042 $item['body'] = self::setHashtags($item['body']);
1044 if (!empty($item['attach'])) {
1045 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1048 // Fill the cache field
1049 self::putInCache($item);
1051 if (stristr($item['verb'], Activity::POKE)) {
1052 $notify_type = Delivery::POKE;
1054 $notify_type = Delivery::POST;
1057 if (!in_array($item['verb'], self::ACTIVITIES) && !self::insertContent($item)) {
1058 // This shouldn't happen
1059 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']]);
1063 $body = $item['body'];
1064 $verb = $item['verb'];
1066 // We just remove everything that is content
1067 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1068 unset($item[$field]);
1071 unset($item['activity']);
1073 // Filling item related side tables
1075 // Diaspora signature
1076 if (!empty($item['diaspora_signed_text'])) {
1077 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1080 unset($item['diaspora_signed_text']);
1082 // Attached file links
1083 if (!empty($item['file'])) {
1084 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1087 unset($item['file']);
1089 // Delivery relevant data
1090 $delivery_data = Post\DeliveryData::extractFields($item);
1091 unset($item['postopts']);
1092 unset($item['inform']);
1094 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1095 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1098 // Store tags from the body if this hadn't been handled previously in the protocol classes
1099 if (!Tag::existsForPost($item['uri-id'])) {
1100 Tag::storeFromBody($item['uri-id'], $body);
1103 $id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1105 // Remove all fields that aren't part of the item table
1106 foreach ($item as $field => $value) {
1107 if (!in_array($field, $structure['item'])) {
1108 unset($item[$field]);
1112 // We syncronize the id value of the of the post-user table with the item table
1115 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1116 if (Post::exists($condition)) {
1117 Logger::notice('Item is already inserted - aborting', $condition);
1121 $result = DBA::insert('item', $item);
1123 // When the item was successfully stored we fetch the ID of the item.
1124 $current_post = DBA::lastInsertId();
1126 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1130 if (empty($current_post) || !DBA::isResult($result)) {
1131 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1132 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1133 self::spool($orig_item);
1137 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1139 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1140 $parent_id = $current_post;
1144 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1146 $item['id'] = $current_post;
1147 $item['parent'] = $parent_id;
1149 // update the commented timestamp on the parent
1150 if (DI::config()->get('system', 'like_no_comment')) {
1151 // Update when it is a comment
1152 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1154 // Update when it isn't a follow or tag verb
1155 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1158 if ($update_commented) {
1159 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1161 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1164 if ($item['gravity'] === GRAVITY_PARENT) {
1165 self::addThread($current_post);
1167 self::updateThread($parent_id);
1170 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1171 if (self::tagDeliver($item['uid'], $current_post)) {
1172 // Get the user information for the logging
1173 $user = User::getById($uid);
1175 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1180 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1181 if (DBA::isResult($posted_item)) {
1183 Hook::callAll('post_local_end', $posted_item);
1185 Hook::callAll('post_remote_end', $posted_item);
1188 Logger::log('new item not found in DB, id ' . $current_post);
1192 if ($item['gravity'] === GRAVITY_PARENT) {
1193 self::addShadow($current_post);
1195 self::addShadowPost($current_post);
1198 self::updateContact($item);
1200 UserItem::setNotification($current_post);
1202 check_user_notification($current_post);
1204 // Distribute items to users who subscribed to their tags
1205 self::distributeByTags($item);
1207 // Automatically reshare the item if the "remote_self" option is selected
1208 self::autoReshare($item);
1210 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1213 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1214 // Don't relay participation messages
1215 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1216 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1217 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1223 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1226 return $current_post;
1230 * Change the owner of a parent item if it had been shared by a forum
1232 * (public) forum posts in the new format consist of the regular post by the author
1233 * followed by an announce message sent from the forum account.
1234 * Changing the owner helps in grouping forum posts.
1236 * @param array $item
1239 private static function setOwnerforResharedItem(array $item)
1241 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1242 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1243 if (!DBA::isResult($parent)) {
1244 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1248 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
1249 if (!DBA::isResult($author)) {
1250 Logger::error('Author not found', ['id' => $item['author-id']]);
1254 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1255 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1256 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
1260 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1261 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1262 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1266 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1267 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1270 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1271 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1275 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1276 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]);
1280 * Distribute the given item to users who subscribed to their tags
1282 * @param array $item Processed item
1284 private static function distributeByTags(array $item)
1286 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1290 $uids = Tag::getUIDListByURIId($item['uri-id']);
1291 foreach ($uids as $uid) {
1292 if (Contact::isSharing($item['author-id'], $uid)) {
1295 $fields = ['post-type' => self::PT_TAG];
1298 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1299 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1304 * Insert a new item content entry
1306 * @param array $item The item fields that are to be inserted
1307 * @return bool "true" if content was inserted or already existed
1308 * @throws \Exception
1310 private static function insertContent(array $item)
1312 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1314 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1315 if (isset($item[$field])) {
1316 $fields[$field] = $item[$field];
1320 $found = DBA::exists('item-content', ['uri-id' => $item['uri-id']]);
1322 Logger::info('Existing content found', ['uri-id' => $item['uri-id'], 'uri' => $item['uri']]);
1326 DBA::insert('item-content', $fields, Database::INSERT_IGNORE);
1328 $found = DBA::exists('item-content', ['uri-id' => $item['uri-id']]);
1330 Logger::notice('Content inserted', ['uri-id' => $item['uri-id'], 'uri' => $item['uri']]);
1334 // This shouldn't happen.
1335 Logger::error("Content wasn't inserted", $item);
1340 * Update existing item content entries
1342 * @param array $item The item fields that are to be changed
1343 * @param array $condition The condition for finding the item content entries
1344 * @throws \Exception
1346 private static function updateContent($item, $condition)
1348 // We have to select only the fields from the "item-content" table
1350 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1351 if (isset($item[$field])) {
1352 $fields[$field] = $item[$field];
1356 if (empty($fields)) {
1360 DBA::update('item-content', $fields, $condition, true);
1361 Logger::info('Updated content', ['condition' => $condition]);
1365 * Distributes public items to the receivers
1367 * @param integer $itemid Item ID that should be added
1368 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1369 * @throws \Exception
1371 public static function distribute($itemid, $signed_text = '')
1373 $condition = ["`id` IN (SELECT `parent` FROM `post-view` WHERE `id` = ?)", $itemid];
1374 $parent = Post::selectFirst(['owner-id'], $condition);
1375 if (!DBA::isResult($parent)) {
1379 // Only distribute public items from native networks
1380 $condition = ['id' => $itemid, 'uid' => 0,
1381 'network' => array_merge(Protocol::FEDERATED ,['']),
1382 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1383 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1384 if (!DBA::isResult($item)) {
1388 $origin = $item['origin'];
1392 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1393 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1394 if (!DBA::isResult($owner)) {
1398 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1399 $contacts = DBA::select('contact', ['uid'], $condition);
1400 while ($contact = DBA::fetch($contacts)) {
1401 if ($contact['uid'] == 0) {
1405 $users[$contact['uid']] = $contact['uid'];
1407 DBA::close($contacts);
1409 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1410 $contacts = DBA::select('contact', ['uid'], $condition);
1411 while ($contact = DBA::fetch($contacts)) {
1412 if ($contact['uid'] == 0) {
1416 $users[$contact['uid']] = $contact['uid'];
1418 DBA::close($contacts);
1420 if (!empty($owner['alias'])) {
1421 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1422 $contacts = DBA::select('contact', ['uid'], $condition);
1423 while ($contact = DBA::fetch($contacts)) {
1424 if ($contact['uid'] == 0) {
1428 $users[$contact['uid']] = $contact['uid'];
1430 DBA::close($contacts);
1435 if ($item['uri-id'] != $item['parent-uri-id']) {
1436 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1437 while ($parent = Post::fetch($parents)) {
1438 $users[$parent['uid']] = $parent['uid'];
1439 if ($parent['origin'] && !$origin) {
1440 $origin_uid = $parent['uid'];
1443 DBA::close($parents);
1446 foreach ($users as $uid) {
1447 if ($origin_uid == $uid) {
1448 $item['diaspora_signed_text'] = $signed_text;
1450 self::storeForUser($item, $uid);
1455 * Store a public item defined by their URI-ID for the given users
1457 * @param integer $uri_id URI-ID of the given item
1458 * @param integer $uid The user that will receive the item entry
1459 * @param array $fields Additional fields to be stored
1460 * @return integer stored item id
1462 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1464 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1465 if (!DBA::isResult($item)) {
1469 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1470 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']]);
1474 $item['post-type'] = self::PT_STORED;
1476 $item = array_merge($item, $fields);
1478 $stored = self::storeForUser($item, $uid);
1479 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1484 * Store a public item array for the given users
1486 * @param array $item The item entry that will be stored
1487 * @param integer $uid The user that will receive the item entry
1488 * @return integer stored item id
1489 * @throws \Exception
1491 private static function storeForUser(array $item, int $uid)
1493 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1494 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1499 unset($item['parent']);
1500 unset($item['mention']);
1501 unset($item['starred']);
1502 unset($item['unseen']);
1503 unset($item['psid']);
1505 $item['uid'] = $uid;
1506 $item['origin'] = 0;
1509 if ($item['gravity'] == GRAVITY_PARENT) {
1510 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1512 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1515 if (!empty($contact['id'])) {
1516 $item['contact-id'] = $contact['id'];
1518 // Shouldn't happen at all
1519 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1520 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1521 if (!DBA::isResult($self)) {
1522 // Shouldn't happen even less
1523 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1526 $item['contact-id'] = $self['id'];
1529 /// @todo Handling of "event-id"
1532 if ($item['gravity'] == GRAVITY_PARENT) {
1533 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1534 if (DBA::isResult($contact)) {
1535 $notify = self::isRemoteSelf($contact, $item);
1539 $distributed = self::insert($item, $notify, true);
1541 if (!$distributed) {
1542 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1544 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1546 return $distributed;
1550 * Add a shadow entry for a given item id that is a thread starter
1552 * We store every public item entry additionally with the user id "0".
1553 * This is used for the community page and for the search.
1554 * It is planned that in the future we will store public item entries only once.
1556 * @param integer $itemid Item ID that should be added
1557 * @throws \Exception
1559 private static function addShadow($itemid)
1561 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri-id'];
1562 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1563 $item = Post::selectFirst($fields, $condition);
1565 if (!DBA::isResult($item)) {
1569 // is it already a copy?
1570 if (($itemid == 0) || ($item['uid'] == 0)) {
1574 // Is it a visible public post?
1575 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
1579 // is it an entry from a connector? Only add an entry for natively connected networks
1580 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1584 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1588 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1590 if (DBA::isResult($item)) {
1591 // Preparing public shadow (removing user specific data)
1594 unset($item['parent']);
1595 unset($item['wall']);
1596 unset($item['mention']);
1597 unset($item['origin']);
1598 unset($item['starred']);
1599 unset($item['postopts']);
1600 unset($item['inform']);
1601 unset($item['post-type']);
1602 if ($item['uri-id'] == $item['parent-uri-id']) {
1603 $item['contact-id'] = $item['owner-id'];
1605 $item['contact-id'] = $item['author-id'];
1608 $public_shadow = self::insert($item, false, true);
1610 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1615 * Add a shadow entry for a given item id that is a comment
1617 * This function does the same like the function above - but for comments
1619 * @param integer $itemid Item ID that should be added
1620 * @throws \Exception
1622 private static function addShadowPost($itemid)
1624 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1625 if (!DBA::isResult($item)) {
1629 // Is it a toplevel post?
1630 if ($item['gravity'] == GRAVITY_PARENT) {
1631 self::addShadow($itemid);
1635 // Is this a shadow entry?
1636 if ($item['uid'] == 0) {
1640 // Is there a shadow parent?
1641 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1645 // Is there already a shadow entry?
1646 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1650 // Save "origin" and "parent" state
1651 $origin = $item['origin'];
1652 $parent = $item['parent'];
1654 // Preparing public shadow (removing user specific data)
1657 unset($item['parent']);
1658 unset($item['wall']);
1659 unset($item['mention']);
1660 unset($item['origin']);
1661 unset($item['starred']);
1662 unset($item['postopts']);
1663 unset($item['inform']);
1664 unset($item['post-type']);
1665 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1667 $public_shadow = self::insert($item, false, true);
1669 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1671 // If this was a comment to a Diaspora post we don't get our comment back.
1672 // This means that we have to distribute the comment by ourselves.
1673 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1674 self::distribute($public_shadow);
1679 * Adds a language specification in a "language" element of given $arr.
1680 * Expects "body" element to exist in $arr.
1682 * @param array $item
1683 * @return string detected language
1684 * @throws \Text_LanguageDetect_Exception
1686 private static function getLanguage(array $item)
1688 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1692 // Convert attachments to links
1693 $naked_body = BBCode::removeAttachment($item['body']);
1694 if (empty($naked_body)) {
1698 // Remove links and pictures
1699 $naked_body = BBCode::removeLinks($naked_body);
1701 // Convert the title and the body to plain text
1702 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1704 // Remove possibly remaining links
1705 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1707 if (empty($naked_body)) {
1711 $ld = new Language(DI::l10n()->getAvailableLanguages());
1712 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1713 if (is_array($languages)) {
1714 return json_encode($languages);
1720 public static function getLanguageMessage(array $item)
1722 $iso639 = new \Matriphe\ISO639\ISO639;
1724 $used_languages = '';
1725 foreach (json_decode($item['language'], true) as $language => $reliability) {
1726 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1728 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1729 return $used_languages;
1733 * Creates an unique guid out of a given uri
1735 * @param string $uri uri of an item entry
1736 * @param string $host hostname for the GUID prefix
1737 * @return string unique guid
1739 public static function guidFromUri($uri, $host)
1741 // Our regular guid routine is using this kind of prefix as well
1742 // We have to avoid that different routines could accidentally create the same value
1743 $parsed = parse_url($uri);
1745 // We use a hash of the hostname as prefix for the guid
1746 $guid_prefix = hash("crc32", $host);
1748 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1749 unset($parsed["scheme"]);
1751 // Glue it together to be able to make a hash from it
1752 $host_id = implode("/", $parsed);
1754 // We could use any hash algorithm since it isn't a security issue
1755 $host_hash = hash("ripemd128", $host_id);
1757 return $guid_prefix.$host_hash;
1761 * generate an unique URI
1763 * @param integer $uid User id
1764 * @param string $guid An existing GUID (Otherwise it will be generated)
1767 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1769 public static function newURI($uid, $guid = "")
1772 $guid = System::createUUID();
1775 return DI::baseUrl()->get() . '/objects/' . $guid;
1779 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1781 * This can be used to filter for inactive contacts.
1782 * Only do this for public postings to avoid privacy problems, since poco data is public.
1783 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1785 * @param array $arr Contains the just posted item record
1786 * @throws \Exception
1788 private static function updateContact($arr)
1790 // Unarchive the author
1791 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1792 if (DBA::isResult($contact)) {
1793 Contact::unmarkForArchival($contact);
1796 // Unarchive the contact if it's not our own contact
1797 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1798 if (DBA::isResult($contact)) {
1799 Contact::unmarkForArchival($contact);
1802 /// @todo On private posts we could obfuscate the date
1803 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1805 // Is it a forum? Then we don't care about the rules from above
1806 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1807 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1813 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1814 // So we have to ensure to only update the last item when it had been our own post,
1815 // or it had been done by a "regular" contact.
1816 if (!empty($arr['wall'])) {
1817 $condition = ['id' => $arr['contact-id']];
1819 $condition = ['id' => $arr['contact-id'], 'self' => false];
1821 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1823 // Now do the same for the system wide contacts with uid=0
1824 if ($arr['private'] != self::PRIVATE) {
1825 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1826 ['id' => $arr['owner-id']]);
1828 if ($arr['owner-id'] != $arr['author-id']) {
1829 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1830 ['id' => $arr['author-id']]);
1835 public static function setHashtags($body)
1837 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1838 $tags = BBCode::getTags($body);
1841 if (!count($tags)) {
1845 // This sorting is important when there are hashtags that are part of other hashtags
1846 // Otherwise there could be problems with hashtags like #test and #test2
1847 // Because of this we are sorting from the longest to the shortest tag.
1848 usort($tags, function ($a, $b) {
1849 return strlen($b) <=> strlen($a);
1852 $URLSearchString = "^\[\]";
1854 // All hashtags should point to the home server if "local_tags" is activated
1855 if (DI::config()->get('system', 'local_tags')) {
1856 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1857 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1860 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1861 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1863 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1866 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1868 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1871 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1873 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1876 // Repair recursive urls
1877 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1880 foreach ($tags as $tag) {
1881 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1885 $basetag = str_replace('_', ' ', substr($tag, 1));
1886 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1888 $body = str_replace($tag, $newtag, $body);
1891 // Convert back the masked hashtags
1892 $body = str_replace("#", "#", $body);
1901 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1904 * @param int $item_id
1905 * @return boolean true if item was deleted, else false
1906 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1907 * @throws \ImagickException
1909 private static function tagDeliver($uid, $item_id)
1913 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1914 if (!DBA::isResult($user)) {
1918 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1919 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1921 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1922 if (!DBA::isResult($item)) {
1926 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1929 * Diaspora uses their own hardwired link URL in @-tags
1930 * instead of the one we supply with webfinger
1932 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1934 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1936 foreach ($matches as $mtch) {
1937 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1939 Logger::log('mention found: ' . $mtch[2]);
1945 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1946 foreach ($tags as $tag) {
1947 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
1949 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
1955 if (($community_page || $prvgroup) &&
1956 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
1957 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
1958 DBA::delete('item', ['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1959 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1965 $arr = ['item' => $item, 'user' => $user];
1967 Hook::callAll('tagged', $arr);
1969 if (!$community_page && !$prvgroup) {
1974 * tgroup delivery - setup a second delivery chain
1975 * prevent delivery looping - only proceed
1976 * if the message originated elsewhere and is a top-level post
1978 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1982 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1983 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1984 if (!DBA::isResult($self)) {
1988 $owner_id = Contact::getIdForURL($self['url']);
1990 // also reset all the privacy bits to the forum default permissions
1992 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
1994 $psid = PermissionSet::getIdFromACL(
2002 $forum_mode = ($prvgroup ? 2 : 1);
2004 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2005 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2006 self::update($fields, ['id' => $item_id]);
2008 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2010 self::performActivity($item_id, 'announce', $uid);
2016 * Automatically reshare the item if the "remote_self" option is selected
2018 * @param array $item
2021 private static function autoReshare(array $item)
2023 if ($item['gravity'] != GRAVITY_PARENT) {
2027 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2031 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2035 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2037 self::performActivity($item['id'], 'announce', $item['uid']);
2040 public static function isRemoteSelf($contact, &$datarray)
2042 if (!$contact['remote_self']) {
2046 // Prevent the forwarding of posts that are forwarded
2047 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2048 Logger::info('Already forwarded');
2052 // Prevent to forward already forwarded posts
2053 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2054 Logger::info('Already forwarded (second test)');
2058 // Only forward posts
2059 if ($datarray["verb"] != Activity::POST) {
2060 Logger::info('No post');
2064 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2065 Logger::info('Not public');
2069 $datarray2 = $datarray;
2070 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2071 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2072 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2073 ['uid' => $contact['uid'], 'self' => true]);
2074 if (DBA::isResult($self)) {
2075 $datarray['contact-id'] = $self["id"];
2077 $datarray['owner-name'] = $self["name"];
2078 $datarray['owner-link'] = $self["url"];
2079 $datarray['owner-avatar'] = $self["thumb"];
2081 $datarray['author-name'] = $datarray['owner-name'];
2082 $datarray['author-link'] = $datarray['owner-link'];
2083 $datarray['author-avatar'] = $datarray['owner-avatar'];
2085 unset($datarray['edited']);
2087 unset($datarray['network']);
2088 unset($datarray['owner-id']);
2089 unset($datarray['author-id']);
2092 if ($contact['network'] != Protocol::FEED) {
2093 $old_uri_id = $datarray["uri-id"] ?? 0;
2094 $datarray["guid"] = System::createUUID();
2095 unset($datarray["plink"]);
2096 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2097 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2098 $datarray["extid"] = Protocol::DFRN;
2099 $urlpart = parse_url($datarray2['author-link']);
2100 $datarray["app"] = $urlpart["host"];
2101 if (!empty($old_uri_id)) {
2102 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2105 unset($datarray["parent-uri"]);
2106 unset($datarray["thr-parent"]);
2108 $datarray['private'] = self::PUBLIC;
2112 if ($contact['network'] != Protocol::FEED) {
2113 // Store the original post
2114 $result = self::insert($datarray2);
2115 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2117 $datarray["app"] = "Feed";
2121 // Trigger automatic reactions for addons
2122 $datarray['api_source'] = true;
2124 // We have to tell the hooks who we are - this really should be improved
2125 $_SESSION['authenticated'] = true;
2126 $_SESSION['uid'] = $contact['uid'];
2128 return (bool)$result;
2135 * @param array $item
2138 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2139 * @throws \ImagickException
2141 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2143 if (DI::config()->get('system', 'disable_embedded')) {
2147 Logger::info('check for photos');
2148 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2153 $img_start = strpos($orig_body, '[img');
2154 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2155 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2157 while (($img_st_close !== false) && ($img_len !== false)) {
2158 $img_st_close++; // make it point to AFTER the closing bracket
2159 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2161 Logger::info('found photo', ['image' => $image]);
2163 if (stristr($image, $site . '/photo/')) {
2164 // Only embed locally hosted photos
2166 $i = basename($image);
2167 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2168 $x = strpos($i, '-');
2171 $res = substr($i, $x + 1);
2172 $i = substr($i, 0, $x);
2173 $photo = Photo::getPhotoForUser($uid, $i, $res);
2174 if (DBA::isResult($photo)) {
2176 * Check to see if we should replace this photo link with an embedded image
2177 * 1. No need to do so if the photo is public
2178 * 2. If there's a contact-id provided, see if they're in the access list
2179 * for the photo. If so, embed it.
2180 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2181 * permissions, regardless of order but first check to see if they're an exact
2182 * match to save some processing overhead.
2184 if (self::hasPermissions($photo)) {
2186 $recips = self::enumeratePermissions($photo);
2187 if (in_array($cid, $recips)) {
2191 if (self::samePermissions($uid, $item, $photo)) {
2197 $photo_img = Photo::getImageForPhoto($photo);
2198 // If a custom width and height were specified, apply before embedding
2199 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2200 Logger::info('scaling photo');
2202 $width = intval($match[1]);
2203 $height = intval($match[2]);
2205 $photo_img->scaleDown(max($width, $height));
2208 $data = $photo_img->asString();
2209 $type = $photo_img->getType();
2211 Logger::info('replacing photo');
2212 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2213 Logger::debug('replaced', ['image' => $image]);
2219 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2220 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2221 if ($orig_body === false) {
2225 $img_start = strpos($orig_body, '[img');
2226 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2227 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2230 $new_body = $new_body . $orig_body;
2235 private static function hasPermissions($obj)
2237 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2238 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2241 private static function samePermissions($uid, $obj1, $obj2)
2243 // first part is easy. Check that these are exactly the same.
2244 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2245 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2246 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2247 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2251 // This is harder. Parse all the permissions and compare the resulting set.
2252 $recipients1 = self::enumeratePermissions($obj1);
2253 $recipients2 = self::enumeratePermissions($obj2);
2257 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2258 return ($recipients1 == $recipients2);
2262 * Returns an array of contact-ids that are allowed to see this object
2264 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2265 * @param bool $check_dead Prunes unavailable contacts from the result
2267 * @throws \Exception
2269 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2271 $aclFormater = DI::aclFormatter();
2273 $allow_people = $aclFormater->expand($obj['allow_cid']);
2274 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2275 $deny_people = $aclFormater->expand($obj['deny_cid']);
2276 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2277 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2278 $deny = array_unique(array_merge($deny_people, $deny_groups));
2279 $recipients = array_diff($recipients, $deny);
2283 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2285 if (!$uid || ($days < 1)) {
2289 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2290 $uid, GRAVITY_PARENT];
2293 * $expire_network_only = save your own wall posts
2294 * and just expire conversations started by others
2296 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2298 if ($expire_network_only) {
2299 $condition[0] .= " AND NOT `wall`";
2302 if ($network != "") {
2303 $condition[0] .= " AND `network` = ?";
2304 $condition[] = $network;
2307 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2308 $condition[] = $days;
2310 $items = Post::select(['resource-id', 'starred', 'type', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2312 if (!DBA::isResult($items)) {
2316 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2318 // Forcing expiring of items - but not notes and marked items
2320 $expire_items = true;
2323 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2324 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2325 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2329 $priority = DI::config()->get('system', 'expire-notify-priority');
2331 while ($item = Post::fetch($items)) {
2332 // don't expire filed items
2333 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2337 // Only expire posts, not photos and photo comments
2339 if (!$expire_photos && strlen($item['resource-id'])) {
2341 } elseif (!$expire_starred && intval($item['starred'])) {
2343 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
2345 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2349 self::markForDeletionById($item['id'], $priority);
2354 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2357 public static function firstPostDate($uid, $wall = false)
2359 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2360 $params = ['order' => ['received' => false]];
2361 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
2362 if (DBA::isResult($thread)) {
2363 return substr(DateTimeFormat::local($thread['received']), 0, 10);
2369 * add/remove activity to an item
2371 * Toggle activities as like,dislike,attend of an item
2373 * @param int $item_id
2374 * @param string $verb
2375 * Activity verb. One of
2376 * like, unlike, dislike, undislike, attendyes, unattendyes,
2377 * attendno, unattendno, attendmaybe, unattendmaybe,
2378 * announce, unannouce
2380 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2381 * @throws \ImagickException
2382 * @hook 'post_local_end'
2384 * 'post_id' => ID of posted item
2386 public static function performActivity(int $item_id, string $verb, int $uid)
2392 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2394 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2395 if (!DBA::isResult($item)) {
2396 Logger::log('like: unknown item ' . $item_id);
2400 $uri_id = $item['uri-id'];
2402 if (!in_array($item['uid'], [0, $uid])) {
2406 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2407 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2408 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2409 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2410 if (!DBA::isResult($item)) {
2411 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2417 // Retrieves the local post owner
2418 $owner = User::getOwnerDataById($uid);
2419 if (empty($owner)) {
2420 Logger::info('Empty owner for user', ['uid' => $uid]);
2424 // Retrieve the current logged in user's public contact
2425 $author_id = Contact::getIdForURL($owner['url']);
2426 if (empty($author_id)) {
2427 Logger::info('Empty public contact');
2435 $activity = Activity::LIKE;
2439 $activity = Activity::DISLIKE;
2443 $activity = Activity::ATTEND;
2447 $activity = Activity::ATTENDNO;
2450 case 'unattendmaybe':
2451 $activity = Activity::ATTENDMAYBE;
2455 $activity = Activity::FOLLOW;
2459 $activity = Activity::ANNOUNCE;
2462 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2466 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2468 // Enable activity toggling instead of on/off
2469 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2471 // Look for an existing verb row
2472 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2473 if ($event_verb_flag) {
2474 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2476 // Translate to the index based activity index
2478 foreach ($verbs as $verb) {
2479 $vids[] = Verb::getID($verb);
2482 $vids = Verb::getID($activity);
2485 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2486 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2487 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2489 if (DBA::isResult($like_item)) {
2491 * Truth table for existing activities
2493 * | Inputs || Outputs |
2494 * |----------------------------||-------------------|
2495 * | Mode | Event | Same verb || Delete? | Return? |
2496 * |--------|-------|-----------||---------|---------|
2497 * | create | Yes | Yes || No | Yes |
2498 * | create | Yes | No || Yes | No |
2499 * | create | No | Yes || No | Yes |
2500 * | create | No | No || N/A†|
2501 * | delete | Yes | Yes || Yes | N/A‡ |
2502 * | delete | Yes | No || No | N/A‡ |
2503 * | delete | No | Yes || Yes | N/A‡ |
2504 * | delete | No | No || N/A†|
2505 * |--------|-------|-----------||---------|---------|
2506 * | A | B | C || A xor C | !B or C |
2508 * †Can't happen: It's impossible to find an existing non-event activity without
2509 * the same verb because we are only looking for this single verb.
2511 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2513 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2514 self::markForDeletionById($like_item['id']);
2517 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2522 // No need to go further if we aren't creating anything
2523 if ($mode == 'delete') {
2527 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2530 'guid' => System::createUUID(),
2531 'uri' => self::newURI($item['uid']),
2532 'uid' => $item['uid'],
2533 'contact-id' => $owner['id'],
2534 'wall' => $item['wall'],
2536 'network' => Protocol::DFRN,
2537 'protocol' => Conversation::PARCEL_DIRECT,
2538 'direction' => Conversation::PUSH,
2539 'gravity' => GRAVITY_ACTIVITY,
2540 'parent' => $item['id'],
2541 'thr-parent' => $item['uri'],
2542 'owner-id' => $author_id,
2543 'author-id' => $author_id,
2544 'body' => $activity,
2545 'verb' => $activity,
2546 'object-type' => $objtype,
2547 'allow_cid' => $item['allow_cid'],
2548 'allow_gid' => $item['allow_gid'],
2549 'deny_cid' => $item['deny_cid'],
2550 'deny_gid' => $item['deny_gid'],
2555 $signed = Diaspora::createLikeSignature($uid, $new_item);
2556 if (!empty($signed)) {
2557 $new_item['diaspora_signed_text'] = json_encode($signed);
2560 $new_item_id = self::insert($new_item);
2562 // If the parent item isn't visible then set it to visible
2563 if (!$item['visible']) {
2564 self::update(['visible' => true], ['id' => $item['id']]);
2567 $new_item['id'] = $new_item_id;
2569 Hook::callAll('post_local_end', $new_item);
2574 private static function addThread($itemid, $onlyshadow = false)
2576 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2577 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
2578 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2579 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2580 $item = Post::selectFirst($fields, $condition);
2582 if (!DBA::isResult($item)) {
2586 $item['iid'] = $itemid;
2589 $result = DBA::replace('thread', $item);
2591 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
2595 private static function updateThread($itemid, $setmention = false)
2597 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
2598 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
2599 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2601 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
2602 if (!DBA::isResult($item)) {
2607 $item["mention"] = 1;
2612 foreach ($item as $field => $data) {
2613 if (!in_array($field, ["guid"])) {
2614 $fields[$field] = $data;
2618 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
2620 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
2623 private static function deleteThread($itemid, $uri_id)
2625 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2626 if (!DBA::isResult($item)) {
2627 Logger::info('No thread found', ['id' => $itemid]);
2631 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
2633 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
2635 $condition = ["`uri-id` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $uri_id, $item["uid"]];
2636 if (!Post::exists($condition)) {
2637 DBA::delete('item', ['uri-id' => $uri_id, 'uid' => 0]);
2638 Post\User::delete(['uri-id' => $uri_id, 'uid' => 0]);
2639 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri-id' => $uri_id]);
2644 * Fetch the SQL condition for the given user id
2646 * @param integer $owner_id User ID for which the permissions should be fetched
2647 * @return array condition
2649 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2651 $local_user = local_user();
2652 $remote_user = Session::getRemoteContactID($owner_id);
2654 // default permissions - anonymous user
2655 $condition = ["`private` != ?", self::PRIVATE];
2657 if ($local_user && ($local_user == $owner_id)) {
2658 // Profile owner - everything is visible
2660 } elseif ($remote_user) {
2661 // Authenticated visitor - fetch the matching permissionsets
2662 $set = PermissionSet::get($owner_id, $remote_user);
2664 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2665 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2666 self::PRIVATE, self::PRIVATE];
2667 $condition = array_merge($condition, $set);
2675 * Get a permission SQL string for the given user
2677 * @param int $owner_id
2678 * @param string $table
2681 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2683 $local_user = local_user();
2684 $remote_user = Session::getRemoteContactID($owner_id);
2686 if (!empty($table)) {
2687 $table = DBA::quoteIdentifier($table) . '.';
2691 * Construct permissions
2693 * default permissions - anonymous user
2695 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2697 // Profile owner - everything is visible
2698 if ($local_user && ($local_user == $owner_id)) {
2700 } elseif ($remote_user) {
2702 * Authenticated visitor. Unless pre-verified,
2703 * check that the contact belongs to this $owner_id
2704 * and load the groups the visitor belongs to.
2705 * If pre-verified, the caller is expected to have already
2706 * done this and passed the groups into this function.
2708 $set = PermissionSet::get($owner_id, $remote_user);
2711 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2716 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2723 * get translated item type
2728 public static function postType($item)
2730 if (!empty($item['event-id'])) {
2731 return DI::l10n()->t('event');
2732 } elseif (!empty($item['resource-id'])) {
2733 return DI::l10n()->t('photo');
2734 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2735 return DI::l10n()->t('activity');
2736 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2737 return DI::l10n()->t('comment');
2740 return DI::l10n()->t('post');
2744 * Sets the "rendered-html" field of the provided item
2746 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2748 * @param array $item
2749 * @param bool $update
2751 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2752 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2754 public static function putInCache(&$item, $update = false)
2756 // Save original body to prevent addons to modify it
2757 $body = $item['body'];
2759 $rendered_hash = $item['rendered-hash'] ?? '';
2760 $rendered_html = $item['rendered-html'] ?? '';
2762 if ($rendered_hash == ''
2763 || $rendered_html == ''
2764 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2765 || DI::config()->get('system', 'ignore_cache')
2767 self::addRedirToImageTags($item);
2769 $item['rendered-html'] = BBCode::convert($item['body']);
2770 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2772 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2773 Hook::callAll('put_item_in_cache', $hook_data);
2774 $item['rendered-html'] = $hook_data['rendered-html'];
2775 $item['rendered-hash'] = $hook_data['rendered-hash'];
2778 // Force an update if the generated values differ from the existing ones
2779 if ($rendered_hash != $item['rendered-hash']) {
2783 // Only compare the HTML when we forcefully ignore the cache
2784 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
2788 if ($update && !empty($item['id'])) {
2791 'rendered-html' => $item['rendered-html'],
2792 'rendered-hash' => $item['rendered-hash']
2794 ['id' => $item['id']]
2799 $item['body'] = $body;
2803 * Find any non-embedded images in private items and add redir links to them
2805 * @param array &$item The field array of an item row
2807 private static function addRedirToImageTags(array &$item)
2812 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2814 foreach ($matches as $mtch) {
2815 if (strpos($mtch[1], '/redir') !== false) {
2819 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2820 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2821 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2828 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2829 * If attach is true, also add icons for item attachments.
2831 * @param array $item
2832 * @param boolean $attach
2833 * @param boolean $is_preview
2834 * @return string item body html
2835 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2836 * @throws \ImagickException
2837 * @hook prepare_body_init item array before any work
2838 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2839 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2840 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2842 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2845 Hook::callAll('prepare_body_init', $item);
2847 // In order to provide theme developers more possibilities, event items
2848 // are treated differently.
2849 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2850 $ev = Event::getItemHTML($item);
2854 $tags = Tag::populateFromItem($item);
2856 $item['tags'] = $tags['tags'];
2857 $item['hashtags'] = $tags['hashtags'];
2858 $item['mentions'] = $tags['mentions'];
2860 // Compile eventual content filter reasons
2861 $filter_reasons = [];
2862 if (!$is_preview && public_contact() != $item['author-id']) {
2863 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2864 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2869 'filter_reasons' => $filter_reasons
2871 Hook::callAll('prepare_body_content_filter', $hook_data);
2872 $filter_reasons = $hook_data['filter_reasons'];
2876 // Update the cached values if there is no "zrl=..." on the links.
2877 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
2879 // Or update it if the current viewer is the intented viewer.
2880 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
2884 self::putInCache($item, $update);
2885 $s = $item["rendered-html"];
2890 'preview' => $is_preview,
2891 'filter_reasons' => $filter_reasons
2893 Hook::callAll('prepare_body', $hook_data);
2894 $s = $hook_data['html'];
2898 // Replace the blockquotes with quotes that are used in mails.
2899 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2900 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2906 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
2907 $mime = $attachment['mimetype'];
2909 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
2911 if (strpos($mime, 'video') !== false) {
2914 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
2917 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2919 'id' => $item['author-id'],
2920 'title' => DI::l10n()->t('View Video'),
2927 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
2929 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
2930 $filesubtype = str_replace('.', '-', $filesubtype);
2933 $filesubtype = 'unkn';
2936 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
2937 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
2939 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
2940 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
2944 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
2948 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2949 $x = Map::byCoordinates(trim($item['coord']));
2951 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2955 // Replace friendica image url size with theme preference.
2956 if (!empty($a->theme_info['item_image_size'])) {
2957 $ps = $a->theme_info['item_image_size'];
2958 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2961 $s = HTML::applyContentFilter($s, $filter_reasons);
2963 $hook_data = ['item' => $item, 'html' => $s];
2964 Hook::callAll('prepare_body_final', $hook_data);
2966 return $hook_data['html'];
2970 * get private link for item
2972 * @param array $item
2973 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
2974 * @throws \Exception
2976 public static function getPlink($item)
2980 'href' => "display/" . $item['guid'],
2981 'orig' => "display/" . $item['guid'],
2982 'title' => DI::l10n()->t('View on separate page'),
2983 'orig_title' => DI::l10n()->t('view on separate page'),
2986 if (!empty($item['plink'])) {
2987 $ret["href"] = DI::baseUrl()->remove($item['plink']);
2988 $ret["title"] = DI::l10n()->t('link to source');
2990 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
2992 'href' => $item['plink'],
2993 'orig' => $item['plink'],
2994 'title' => DI::l10n()->t('link to source'),
3004 * Is the given item array a post that is sent as starting post to a forum?
3006 * @param array $item
3007 * @param array $owner
3009 * @return boolean "true" when it is a forum post
3011 public static function isForumPost(array $item, array $owner = [])
3013 if (empty($owner)) {
3014 $owner = User::getOwnerDataById($item['uid']);
3015 if (empty($owner)) {
3020 if (($item['author-id'] == $item['owner-id']) ||
3021 ($owner['id'] == $item['contact-id']) ||
3022 ($item['uri-id'] != $item['parent-uri-id']) ||
3027 return Contact::isForum($item['contact-id']);
3031 * Search item id for given URI or plink
3033 * @param string $uri
3034 * @param integer $uid
3036 * @return integer item id
3038 public static function searchByLink($uri, $uid = 0)
3040 $ssl_uri = str_replace('http://', 'https://', $uri);
3041 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3043 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3044 if (DBA::isResult($item)) {
3048 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3049 if (DBA::isResult($item)) {
3057 * Return the URI for a link to the post
3059 * @param string $uri URI or link to post
3061 * @return string URI
3063 public static function getURIByLink(string $uri)
3065 $ssl_uri = str_replace('http://', 'https://', $uri);
3066 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3068 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3069 if (DBA::isResult($item)) {
3070 return $item['uri'];
3073 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3074 if (DBA::isResult($item)) {
3075 return $item['uri'];
3082 * Fetches item for given URI or plink
3084 * @param string $uri
3085 * @param integer $uid
3087 * @return integer item id
3089 public static function fetchByLink(string $uri, int $uid = 0)
3091 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3092 $item_id = self::searchByLink($uri, $uid);
3093 if (!empty($item_id)) {
3094 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3098 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3099 $item_id = self::searchByLink($fetched_uri, $uid);
3101 $item_id = Diaspora::fetchByURL($uri);
3104 if (!empty($item_id)) {
3105 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3109 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3114 * Return share data from an item array (if the item is shared item)
3115 * We are providing the complete Item array, because at some time in the future
3116 * we hopefully will define these values not in the body anymore but in some item fields.
3117 * This function is meant to replace all similar functions in the system.
3119 * @param array $item
3121 * @return array with share information
3123 public static function getShareArray($item)
3125 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3129 $attribute_string = $matches[2];
3130 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3131 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3132 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3133 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3140 * Fetch item information for shared items from the original items and adds it.
3142 * @param array $item
3144 * @return array item array with data from the original item
3146 public static function addShareDataFromOriginal(array $item)
3148 $shared = self::getShareArray($item);
3149 if (empty($shared)) {
3153 // Real reshares always have got a GUID.
3154 if (empty($shared['guid'])) {
3158 $uid = $item['uid'] ?? 0;
3160 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3161 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3162 if (!DBA::isResult($shared_item)) {
3163 if (empty($shared['link'])) {
3167 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3168 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3170 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3174 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3175 if (!DBA::isResult($shared_item)) {
3178 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3180 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3183 if (!empty($shared_item['title'])) {
3184 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3185 unset($shared_item['title']);
3187 $body = $shared_item['body'];
3190 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3191 unset($shared_item['body']);
3193 return array_merge($item, $shared_item);
3197 * Check a prospective item array against user-level permissions
3199 * @param array $item Expected keys: uri, gravity, and
3200 * author-link if is author-id is set,
3201 * owner-link if is owner-id is set,
3202 * causer-link if is causer-id is set.
3203 * @param int $user_id Local user ID
3205 * @throws \Exception
3207 protected static function isAllowedByUser(array $item, int $user_id)
3209 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3210 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3214 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3215 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3219 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3220 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3221 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3225 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3226 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);