3 * @copyright Copyright (C) 2010-2023, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Contact\LocalRelationship\Entity\LocalRelationship;
25 use Friendica\Content\Text\BBCode;
26 use Friendica\Content\Text\HTML;
27 use Friendica\Core\Hook;
28 use Friendica\Core\Logger;
29 use Friendica\Core\Protocol;
30 use Friendica\Core\Renderer;
31 use Friendica\Core\System;
32 use Friendica\Core\Worker;
33 use Friendica\Database\DBA;
35 use Friendica\Model\Post\Category;
36 use Friendica\Model\Post\Media;
37 use Friendica\Network\HTTPException\InternalServerErrorException;
38 use Friendica\Protocol\Activity;
39 use Friendica\Protocol\ActivityPub;
40 use Friendica\Protocol\Delivery;
41 use Friendica\Protocol\Diaspora;
42 use Friendica\Util\DateTimeFormat;
43 use Friendica\Util\Map;
44 use Friendica\Util\Network;
45 use Friendica\Util\Proxy;
46 use Friendica\Util\Strings;
47 use Friendica\Util\Temporal;
48 use GuzzleHttp\Psr7\Uri;
49 use LanguageDetection\Language;
53 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
60 const PT_DOCUMENT = 19;
63 const PT_PERSONAL_NOTE = 128;
65 // Posting reasons (Why had a post been stored for a user?)
72 const PR_FOLLOWER = 69;
73 const PR_ANNOUNCEMENT = 70;
74 const PR_COMMENT = 71;
78 const PR_FETCHED = 75;
79 const PR_COMPLETION = 76;
81 const PR_ACTIVITY = 78;
82 const PR_DISTRIBUTE = 79;
85 const PR_AUDIENCE = 82;
87 // system.accept_only_sharer setting values
88 const COMPLETION_NONE = 1;
89 const COMPLETION_COMMENT = 0;
90 const COMPLETION_LIKE = 2;
92 // Field list that is used to display the items
93 const DISPLAY_FIELDLIST = [
94 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
95 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri', 'conversation',
96 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
97 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
98 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
99 'quote-uri', 'quote-uri-id', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
100 'author-id', 'author-link', 'author-alias', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-baseurl', 'author-addr', 'author-uri-id',
101 'owner-id', 'owner-link', 'owner-alias', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated', 'owner-gsid',
102 'causer-id', 'causer-link', 'causer-alias', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network', 'causer-gsid',
103 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
104 'writable', 'self', 'cid', 'alias',
105 'event-created', 'event-edited', 'event-start', 'event-finish',
106 'event-summary', 'event-desc', 'event-location', 'event-type',
107 'event-nofinish', 'event-ignore', 'event-id',
108 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
109 'has-categories', 'has-media',
110 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
113 // Field list that is used to deliver items via the protocols
114 const DELIVER_FIELDLIST = [
115 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
116 'parent-guid', 'conversation', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
117 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
118 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
119 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
120 'author-id', 'author-addr', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
121 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
122 'thr-parent-id', 'parent-uri-id', 'quote-uri', 'quote-uri-id', 'postopts', 'pubmail',
123 'event-created', 'event-edited', 'event-start', 'event-finish',
124 'event-summary', 'event-desc', 'event-location', 'event-type',
125 'event-nofinish', 'event-ignore', 'event-id'
128 // All fields in the item table
129 const ITEM_FIELDLIST = [
130 'id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
131 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'conversation', 'vid',
132 'quote-uri', 'quote-uri-id', 'contact-id', 'wall', 'gravity', 'extid', 'psid',
133 'created', 'edited', 'commented', 'received', 'changed', 'verb',
134 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
135 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
136 'private', 'pubmail', 'visible', 'starred',
137 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
138 'title', 'content-warning', 'body', 'location', 'coord', 'app',
139 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
140 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
141 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'
144 // List of all verbs that don't need additional content data.
145 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
147 Activity::LIKE, Activity::DISLIKE,
148 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
158 // Item weight for query ordering
159 const GRAVITY_PARENT = 0;
160 const GRAVITY_ACTIVITY = 3;
161 const GRAVITY_COMMENT = 6;
162 const GRAVITY_UNKNOWN = 9;
165 * Update existing item entries
167 * @param array $fields The fields that are to be changed
168 * @param array $condition The condition for finding the item entries
170 * In the future we may have to change permissions as well.
171 * Then we had to add the user id as third parameter.
173 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
175 * @return integer|boolean number of affected rows - or "false" if there was an error
176 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
178 public static function update(array $fields, array $condition)
180 if (empty($condition) || empty($fields)) {
184 if (isset($fields['extid'])) {
185 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
188 if (!empty($fields['verb'])) {
189 $fields['vid'] = Verb::getID($fields['verb']);
192 if (!empty($fields['edited'])) {
193 $previous = Post::selectFirst(['edited'], $condition);
196 $rows = Post::update($fields, $condition);
197 if (is_bool($rows)) {
201 // We only need to call the line by line update for specific fields
203 empty($fields['body']) && empty($fields['file']) &&
204 empty($fields['attach']) && empty($fields['edited'])
209 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
211 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network', 'quote-uri-id'], $condition);
215 while ($item = DBA::fetch($items)) {
216 if (!empty($fields['body'])) {
217 if (!empty($item['quote-uri-id'])) {
218 $fields['body'] = BBCode::removeSharedData($fields['body']);
220 if (!empty($fields['raw-body'])) {
221 $fields['raw-body'] = BBCode::removeSharedData($fields['raw-body']);
225 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
227 // Remove all media attachments from the body and store them in the post-media table
228 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
229 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
230 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
232 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body'], $fields['body'], $item['author-network']);
234 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
235 $content_fields['raw-body'] = BBCode::removeAttachment($content_fields['raw-body']);
237 Post\Content::update($item['uri-id'], $content_fields);
240 if (!empty($fields['file'])) {
241 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
244 if (!empty($fields['attach'])) {
245 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
248 // We only need to notify others when it is an original entry from us.
249 // Only call the notifier when the item had been edited and records had been changed.
250 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
251 $notify_items[] = $item['id'];
257 foreach ($notify_items as $notify_item) {
258 $post = Post::selectFirst([], ['id' => $notify_item]);
260 if ($post['gravity'] != self::GRAVITY_PARENT) {
261 $signed = Diaspora::createCommentSignature($post);
262 if (!empty($signed)) {
263 DBA::replace('diaspora-interaction', ['uri-id' => $post['uri-id'], 'interaction' => json_encode($signed)]);
267 Worker::add(Worker::PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
274 * Delete an item and notify others about it - if it was ours
276 * @param array $condition The condition for finding the item entries
277 * @param integer $priority Priority for the notification
279 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
281 public static function markForDeletion(array $condition, int $priority = Worker::PRIORITY_HIGH)
283 $items = Post::select(['id'], $condition);
284 while ($item = Post::fetch($items)) {
285 self::markForDeletionById($item['id'], $priority);
291 * Delete an item for an user and notify others about it - if it was ours
293 * @param array $condition The condition for finding the item entries
294 * @param integer $uid User who wants to delete this item
296 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
298 public static function deleteForUser(array $condition, int $uid)
304 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
305 while ($item = Post::fetch($items)) {
306 if (in_array($item['uid'], [$uid, 0])) {
307 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
308 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
311 if ($item['uid'] == $uid) {
312 self::markForDeletionById($item['id'], Worker::PRIORITY_HIGH);
313 } elseif ($item['uid'] != 0) {
314 Logger::warning('Wrong ownership. Not deleting item', ['id' => $item['id']]);
321 * Mark an item for deletion, delete related data and notify others about it - if it was ours
323 * @param integer $item_id
324 * @param integer $priority Priority for the notification
325 * @return boolean success
326 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
328 public static function markForDeletionById(int $item_id, int $priority = Worker::PRIORITY_HIGH): bool
330 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
331 // locate item to be deleted
333 'id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
334 'deleted', 'resource-id', 'event-id',
335 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'
337 $item = Post::selectFirst($fields, ['id' => $item_id]);
338 if (!DBA::isResult($item)) {
339 Logger::info('Item not found.', ['id' => $item_id]);
343 if ($item['deleted']) {
344 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
348 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
349 if (!DBA::isResult($parent)) {
350 $parent = ['origin' => false];
353 // clean up categories and tags so they don't end up as orphans
354 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
357 * If item is a link to a photo resource, nuke all the associated photos
358 * (visitors will not have photo resources)
359 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
360 * generate a resource-id and therefore aren't intimately linked to the item.
362 /// @TODO: this should first check if photo is used elsewhere
363 if ($item['resource-id']) {
364 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
367 // If item is a link to an event, delete the event.
368 if (intval($item['event-id'])) {
369 Event::delete($item['event-id']);
372 // If item has attachments, drop them
373 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
374 foreach ($attachments as $attachment) {
375 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
376 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
380 // Set the item to "deleted"
381 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
382 Post::update($item_fields, ['id' => $item['id']]);
384 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
386 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
387 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
390 Post\DeliveryData::delete($item['uri-id']);
392 // If it's the parent of a comment thread, kill all the kids
393 if ($item['gravity'] == self::GRAVITY_PARENT) {
394 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
397 // Is it our comment and/or our thread?
398 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
399 // When we delete the original post we will delete all existing copies on the server as well
400 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
402 // send the notification upstream/downstream
404 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
406 } elseif ($item['uid'] != 0) {
407 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
408 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
411 DI::notify()->deleteForItem($item['uri-id']);
412 DI::notification()->deleteForItem($item['uri-id']);
414 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
420 * Get guid from given item record
422 * @param array $item Item record
423 * @param bool Whether to notify (?)
424 * @return string Guid
426 public static function guid(array $item, bool $notify): string
428 if (!empty($item['guid'])) {
429 return trim($item['guid']);
433 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
434 // We add the hash of our own host because our host is the original creator of the post.
435 $prefix_host = DI::baseUrl()->getHost();
439 // We are only storing the post so we create a GUID from the original hostname.
440 if (!empty($item['author-link'])) {
441 $parsed = parse_url($item['author-link']);
442 if (!empty($parsed['host'])) {
443 $prefix_host = $parsed['host'];
447 if (empty($prefix_host) && !empty($item['plink'])) {
448 $parsed = parse_url($item['plink']);
449 if (!empty($parsed['host'])) {
450 $prefix_host = $parsed['host'];
454 if (empty($prefix_host) && !empty($item['uri'])) {
455 $parsed = parse_url($item['uri']);
456 if (!empty($parsed['host'])) {
457 $prefix_host = $parsed['host'];
461 // Is it in the format data@host.tld? - Used for mail contacts
462 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
463 $mailparts = explode('@', $item['author-link']);
464 $prefix_host = array_pop($mailparts);
468 if (!empty($item['plink'])) {
469 $guid = self::guidFromUri($item['plink'], $prefix_host);
470 } elseif (!empty($item['uri'])) {
471 $guid = self::guidFromUri($item['uri'], $prefix_host);
473 $guid = System::createUUID(hash('crc32', $prefix_host));
480 * Returns contact id from given item record
482 * @param array $item Item record
483 * @return int Contact id
485 private static function contactId(array $item): int
487 if ($item['uid'] == 0) {
488 return $item['owner-id'];
491 if ($item['origin']) {
492 $owner = User::getOwnerDataById($item['uid']);
497 $user_contact_id = 0;
498 foreach (['group-link', 'causer-link', 'owner-link', 'author-link'] as $field) {
499 if (empty($item[$field])) {
502 if (!$user_contact_id && Contact::isSharingByURL($item[$field], $item['uid'], true)) {
503 $user_contact_id = Contact::getIdForURL($item[$field], $item['uid']);
504 } elseif (!$contact_id) {
505 $contact_id = Contact::getIdForURL($item[$field]);
509 if ($user_contact_id) {
510 return $user_contact_id;
513 if (!empty($item['causer-id']) && Contact::isSharing($item['causer-id'], $item['uid'], true)) {
514 $cdata = Contact::getPublicAndUserContactID($item['causer-id'], $item['uid']);
515 if (!empty($cdata['user'])) {
516 return $cdata['user'];
524 Logger::warning('contact-id could not be fetched, using self contact instead.', ['uid' => $item['uid'], 'item' => $item]);
525 $self = Contact::selectFirst(['id'], ['self' => true, 'uid' => $item['uid']]);
530 * Write an item array into a spool file to be inserted later.
531 * This command is called whenever there are issues storing an item.
533 * @param array $item The item fields that are to be inserted
536 private static function spool(array $item)
538 // Now we store the data in the spool directory
539 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
540 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
542 $spoolpath = System::getSpoolPath();
543 if ($spoolpath != '') {
544 $spool = $spoolpath . '/' . $file;
546 file_put_contents($spool, json_encode($item));
547 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
552 * Check if the item array is a duplicate
554 * @param array $item Item record
555 * @return boolean is it a duplicate?
557 private static function isDuplicate(array $item): bool
559 // Checking if there is already an item with the same guid
560 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
561 if (Post::exists($condition)) {
562 Logger::notice('Found already existing item', $condition);
567 'uri-id' => $item['uri-id'], 'uid' => $item['uid'],
568 'network' => [$item['network'], Protocol::DFRN]
570 if (Post::exists($condition)) {
571 Logger::notice('duplicated item with the same uri found.', $condition);
575 // On Friendica and Diaspora the GUID is unique
576 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
577 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
578 if (Post::exists($condition)) {
579 Logger::notice('duplicated item with the same guid found.', $condition);
582 } elseif ($item['network'] == Protocol::OSTATUS) {
583 // Check for an existing post with the same content. There seems to be a problem with OStatus.
585 "`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
586 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']
588 if (Post::exists($condition)) {
589 Logger::notice('duplicated item with the same body found.', $item);
595 * Check for already added items.
596 * There is a timing issue here that sometimes creates double postings.
597 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
599 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
600 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
608 * Check if the item array is valid
610 * @param array $item Item record
611 * @return boolean item is valid
613 public static function isValid(array $item): bool
615 // When there is no content then we don't post it
616 if (($item['body'] . $item['title'] == '') && empty($item['quote-uri-id']) && empty($item['attachments']) && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
617 Logger::notice('No body, no title.');
621 if (!empty($item['uid'])) {
622 $owner = User::getOwnerDataById($item['uid'], false);
624 Logger::warning('Missing item user owner data', ['uid' => $item['uid']]);
628 if ($owner['account_expired'] || $owner['account_removed']) {
629 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
634 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
635 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
639 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
640 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
644 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
645 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
649 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
650 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
654 if ($item['verb'] == Activity::FOLLOW) {
655 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
656 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
657 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
662 'verb' => Activity::FOLLOW, 'uid' => $item['uid'],
663 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']
665 if (Post::exists($condition)) {
666 // It happens that we receive multiple follow requests by the same author - we only store one.
667 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
676 * Check if the item array is too old
678 * @param array $item Item record
679 * @return boolean item is too old
681 public static function isTooOld(array $item): bool
683 // check for create date and expire time
684 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
686 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
687 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
688 $expire_interval = $user['expire'];
691 if (($expire_interval > 0) && !empty($item['created'])) {
692 $expire_date = time() - ($expire_interval * 86400);
693 $created_date = strtotime($item['created']);
694 if ($created_date < $expire_date) {
695 Logger::notice('Item created before expiration interval.', [
696 'created' => date('c', $created_date),
697 'expired' => date('c', $expire_date),
708 * Return the id of the given item array if it has been stored before
710 * @param array $item Item record
711 * @return integer Item id or zero on error
713 private static function getDuplicateID(array $item): int
715 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
717 '`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
720 Protocol::ACTIVITYPUB,
725 $existing = Post::selectFirst(['id', 'network'], $condition);
726 if (DBA::isResult($existing)) {
727 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
728 if ($item['uid'] != 0) {
729 Logger::notice('Item already existed for user', [
730 'uri-id' => $item['uri-id'],
731 'uid' => $item['uid'],
732 'network' => $item['network'],
733 'existing_id' => $existing['id'],
734 'existing_network' => $existing['network']
738 return $existing['id'];
745 * Fetch the uri-id of the parent for the given uri-id
747 * @param integer $uriid
750 public static function getParent(int $uriid): int
752 $thread_parent = Post::selectFirstPost(['thr-parent-id', 'gravity'], ['uri-id' => $uriid]);
753 if (empty($thread_parent)) {
757 if ($thread_parent['gravity'] == Item::GRAVITY_PARENT) {
761 return self::getParent($thread_parent['thr-parent-id']);
765 * Fetch top-level parent data for the given item array
768 * @return array item array with parent data
771 private static function getTopLevelParent(array $item): array
774 'uid', 'uri', 'parent-uri', 'id', 'deleted',
775 'uri-id', 'parent-uri-id',
776 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
777 'wall', 'private', 'origin', 'author-id'
779 $condition = ['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => $item['uid']];
780 $params = ['order' => ['id' => false]];
781 $parent = Post::selectFirst($fields, $condition, $params);
783 if (!DBA::isResult($parent) && Post::exists(['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => 0])) {
784 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
785 if (!$stored && ($item['thr-parent-id'] != $item['parent-uri-id'])) {
786 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
789 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
790 $parent = Post::selectFirst($fields, $condition, $params);
794 if (!DBA::isResult($parent)) {
795 Logger::notice('item parent was not found - ignoring item', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'callstack' => System::callstack(20)]);
799 if ($parent['uri-id'] == $parent['parent-uri-id']) {
804 'uri-id' => $parent['parent-uri-id'],
805 'parent-uri-id' => $parent['parent-uri-id'],
806 'uid' => $parent['uid']
808 $params = ['order' => ['id' => false]];
809 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
811 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
812 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
813 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
814 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
817 if (!DBA::isResult($toplevel_parent)) {
818 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
822 return $toplevel_parent;
826 * Get the gravity for the given item array
829 * @return integer gravity
831 private static function getGravity(array $item): int
833 $activity = DI::activity();
835 if (isset($item['gravity'])) {
836 return intval($item['gravity']);
837 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
838 return self::GRAVITY_PARENT;
839 } elseif ($activity->match($item['verb'], Activity::POST)) {
840 return self::GRAVITY_COMMENT;
841 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
842 return self::GRAVITY_ACTIVITY;
843 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
844 return self::GRAVITY_ACTIVITY;
847 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
848 return self::GRAVITY_UNKNOWN; // Should not happen
851 private static function prepareOriginPost(array $item): array
853 $item = DI::contentItem()->initializePost($item);
854 $item = DI::contentItem()->finalizePost($item);
860 * Inserts item record
862 * @param array $item Item array to be inserted
863 * @param int $notify Notification (type?)
864 * @param bool $post_local (???)
865 * @return int Zero means error, otherwise primary key (id) is being returned
867 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
871 $priority = Worker::PRIORITY_HIGH;
873 // If it is a posting where users should get notifications, then define it as wall posting
875 $item = self::prepareOriginPost($item);
877 if (is_int($notify) && in_array($notify, Worker::PRIORITIES)) {
881 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
884 $uid = intval($item['uid']);
886 $item['guid'] = self::guid($item, $notify);
887 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['guid']), 0, 255);
890 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
892 // Backward compatibility: parent-uri used to be the direct parent uri.
893 // If it is provided without a thr-parent, it probably is the old behavior.
894 if (empty($item['thr-parent']) || empty($item['parent-uri'])) {
895 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
896 $item['parent-uri'] = $item['thr-parent'];
899 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
900 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
902 // Store conversation data
903 $source = $item['source'] ?? '';
904 unset($item['conversation-uri']);
905 unset($item['conversation-href']);
906 unset($item['source']);
909 * Do we already have this item?
910 * We have to check several networks since Friendica posts could be repeated
911 * via OStatus (maybe Diaspora as well)
913 $duplicate = self::getDuplicateID($item);
918 // Additional duplicate checks
919 /// @todo Check why the first duplication check returns the item number and the second a 0
920 if (self::isDuplicate($item)) {
924 if (!isset($item['post-type'])) {
925 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
928 $defined_permissions = isset($item['allow_cid']) && isset($item['allow_gid']) && isset($item['deny_cid']) && isset($item['deny_gid']) && isset($item['private']);
930 $item['wall'] = intval($item['wall'] ?? 0);
931 $item['extid'] = trim($item['extid'] ?? '');
932 $item['author-name'] = trim($item['author-name'] ?? '');
933 $item['author-link'] = trim($item['author-link'] ?? '');
934 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
935 $item['owner-name'] = trim($item['owner-name'] ?? '');
936 $item['owner-link'] = trim($item['owner-link'] ?? '');
937 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
938 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
939 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
940 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
941 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
942 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
943 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
944 $item['location'] = trim($item['location'] ?? '');
945 $item['coord'] = trim($item['coord'] ?? '');
946 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
947 $item['deleted'] = 0;
948 $item['verb'] = trim($item['verb'] ?? '');
949 $item['object-type'] = trim($item['object-type'] ?? '');
950 $item['object'] = trim($item['object'] ?? '');
951 $item['target-type'] = trim($item['target-type'] ?? '');
952 $item['target'] = trim($item['target'] ?? '');
953 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
954 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
955 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
956 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
957 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
958 $item['private'] = intval($item['private'] ?? self::PUBLIC);
959 $item['body'] = trim($item['body'] ?? '');
960 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
961 $item['app'] = trim($item['app'] ?? '');
962 $item['origin'] = intval($item['origin'] ?? 0);
963 $item['postopts'] = trim($item['postopts'] ?? '');
964 $item['resource-id'] = trim($item['resource-id'] ?? '');
965 $item['event-id'] = intval($item['event-id'] ?? 0);
966 $item['inform'] = trim($item['inform'] ?? '');
967 $item['file'] = trim($item['file'] ?? '');
969 // Communities aren't working with the Diaspora protocol
970 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
971 $user = User::getById($uid, ['account-type']);
972 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
973 Logger::info('Community posts are not supported via Diaspora');
978 // Items cannot be stored before they happen ...
979 if ($item['created'] > DateTimeFormat::utcNow()) {
980 $item['created'] = DateTimeFormat::utcNow();
983 // We haven't invented time travel by now.
984 if ($item['edited'] > DateTimeFormat::utcNow()) {
985 $item['edited'] = DateTimeFormat::utcNow();
988 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
990 $item['gravity'] = self::getGravity($item);
993 'url' => $item['author-link'], 'name' => $item['author-name'],
994 'photo' => $item['author-avatar'], 'network' => $item['network']
996 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
999 'url' => $item['owner-link'], 'name' => $item['owner-name'],
1000 'photo' => $item['owner-avatar'], 'network' => $item['network']
1002 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1004 $item['post-reason'] = self::getPostReason($item);
1006 // Ensure that there is an avatar cache
1007 Contact::checkAvatarCache($item['author-id']);
1008 Contact::checkAvatarCache($item['owner-id']);
1010 $item['contact-id'] = self::contactId($item);
1013 !empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
1014 empty($item['origin']) && self::isTooOld($item)
1016 Logger::info('Item is too old', ['item' => $item]);
1020 if (!self::isValid($item)) {
1024 if ($item['gravity'] !== self::GRAVITY_PARENT) {
1025 $toplevel_parent = self::getTopLevelParent($item);
1026 if (empty($toplevel_parent)) {
1030 $parent_id = $toplevel_parent['id'];
1031 $item['parent-uri'] = $toplevel_parent['uri'];
1032 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
1033 $item['deleted'] = $toplevel_parent['deleted'];
1034 $item['wall'] = $toplevel_parent['wall'];
1036 // Reshares have to keep their permissions to allow groups to work
1037 if (!$defined_permissions && (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE))) {
1038 $item['allow_cid'] = $toplevel_parent['allow_cid'];
1039 $item['allow_gid'] = $toplevel_parent['allow_gid'];
1040 $item['deny_cid'] = $toplevel_parent['deny_cid'];
1041 $item['deny_gid'] = $toplevel_parent['deny_gid'];
1044 $parent_origin = $toplevel_parent['origin'];
1046 // Don't federate received participation messages
1047 if ($item['verb'] != Activity::FOLLOW) {
1048 $item['wall'] = $toplevel_parent['wall'];
1050 $item['wall'] = false;
1051 // Participations are technical messages, so they are set to "seen" automatically
1052 $item['unseen'] = false;
1056 * If the parent is private, force privacy for the entire conversation
1057 * This differs from the above settings as it subtly allows comments from
1058 * email correspondents to be private even if the overall thread is not.
1060 if (!$defined_permissions && $toplevel_parent['private']) {
1061 $item['private'] = $toplevel_parent['private'];
1064 // If its a post that originated here then tag the thread as "mention"
1065 if ($item['origin'] && $item['uid']) {
1066 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1067 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1070 // Update the contact relations
1071 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1074 $parent_origin = $item['origin'];
1076 if ($item['wall'] && empty($item['conversation'])) {
1077 $item['conversation'] = $item['parent-uri'] . '#context';
1081 if ($item['origin']) {
1083 Photo::setPermissionFromBody($item['body'], $item['uid'], $item['contact-id'], $item['allow_cid'], $item['allow_gid'], $item['deny_cid'], $item['deny_gid'])
1084 && ($item['object-type'] != Activity\ObjectType::EVENT)
1086 $item['object-type'] = Activity\ObjectType::IMAGE;
1089 $item = DI::contentItem()->moveAttachmentsFromBodyToAttach($item);
1092 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1093 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1095 if (!empty($item['conversation']) && empty($item['conversation-id'])) {
1096 $item['conversation-id'] = ItemURI::getIdByURI($item['conversation']);
1099 // Is this item available in the global items (with uid=0)?
1100 if ($item['uid'] == 0) {
1101 $item['global'] = true;
1103 // Set the global flag on all items if this was a global item entry
1104 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
1106 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
1110 if (!$defined_permissions && !empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
1111 $item['private'] = self::PRIVATE;
1114 if ($notify && $post_local) {
1115 $item['edit'] = false;
1116 $item['parent'] = $parent_id;
1118 // Trigger automatic reactions for addons
1119 if (!isset($item['api_source'])) {
1120 $item['api_source'] = true;
1123 // We have to tell the hooks who we are - this really should be improved
1124 if (!DI::userSession()->getLocalUserId()) {
1125 $_SESSION['authenticated'] = true;
1126 $_SESSION['uid'] = $uid;
1127 $dummy_session = true;
1129 $dummy_session = false;
1132 Hook::callAll('post_local', $item);
1134 if ($dummy_session) {
1135 unset($_SESSION['authenticated']);
1136 unset($_SESSION['uid']);
1138 } elseif (!$notify) {
1139 Hook::callAll('post_remote', $item);
1142 if (!empty($item['cancel'])) {
1143 Logger::notice('post cancelled by addon.');
1147 if (empty($item['vid']) && !empty($item['verb'])) {
1148 $item['vid'] = Verb::getID($item['verb']);
1151 // Creates or assigns the permission set
1152 $item['psid'] = DI::permissionSet()->selectOrCreate(
1153 DI::permissionSetFactory()->createFromString(
1162 if (!empty($item['extid'])) {
1163 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1166 if ($item['verb'] == Activity::ANNOUNCE) {
1167 self::setOwnerforResharedItem($item);
1170 if (isset($item['attachments'])) {
1171 foreach ($item['attachments'] as $attachment) {
1172 $attachment['uri-id'] = $item['uri-id'];
1173 Post\Media::insert($attachment);
1175 unset($item['attachments']);
1178 if (empty($item['quote-uri-id'])) {
1179 $quote_id = self::getQuoteUriId($item['body']);
1180 if (!empty($quote_id)) {
1181 // This is one of these "should not happen" situations.
1182 // The protocol implementations should already have done this job.
1183 Logger::notice('Quote-uri-id detected in post', ['id' => $quote_id, 'guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'callstack' => System::callstack(20)]);
1184 $item['quote-uri-id'] = $quote_id;
1188 if (!empty($item['quote-uri-id'])) {
1189 $item['raw-body'] = BBCode::removeSharedData($item['raw-body']);
1190 $item['body'] = BBCode::removeSharedData($item['body']);
1193 // Remove all media attachments from the body and store them in the post-media table
1194 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1195 $item['raw-body'] = self::setHashtags($item['raw-body']);
1197 $author = Contact::getById($item['author-id'], ['network']);
1198 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body'], $item['body'], $author['network'] ?? '');
1200 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1201 $item['body'] = BBCode::removeAttachment($item['body']);
1202 $item['raw-body'] = BBCode::removeAttachment($item['raw-body']);
1204 // Check for hashtags in the body and repair or add hashtag links
1205 $item['body'] = self::setHashtags($item['body']);
1207 $item['language'] = self::getLanguage($item);
1209 $notify_type = Delivery::POST;
1211 // Filling item related side tables
1212 if (!empty($item['attach'])) {
1213 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1216 if (empty($item['event-id'])) {
1217 unset($item['event-id']);
1219 $ev = Event::fromBBCode($item['body']);
1220 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1221 Logger::info('Event found.');
1222 $ev['cid'] = $item['contact-id'];
1223 $ev['uid'] = $item['uid'];
1224 $ev['uri'] = $item['uri'];
1225 $ev['edited'] = $item['edited'];
1226 $ev['private'] = $item['private'];
1227 $ev['guid'] = $item['guid'];
1228 $ev['plink'] = $item['plink'];
1229 $ev['network'] = $item['network'];
1230 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1231 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1232 $ev['source'] = $item['source'] ?? '';
1234 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1235 if (DBA::isResult($event)) {
1236 $ev['id'] = $event['id'];
1239 $event_id = Event::store($ev);
1240 $item = Event::getItemArrayForImportedId($event_id, $item);
1242 Logger::info('Event was stored', ['id' => $event_id]);
1246 if (empty($item['causer-id'])) {
1247 unset($item['causer-id']);
1250 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1251 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1252 if (!empty($content_warning) && empty($item['content-warning'])) {
1253 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1257 $inserted = Post::insert($item['uri-id'], $item);
1259 if ($item['gravity'] == self::GRAVITY_PARENT) {
1260 Post\Thread::insert($item['uri-id'], $item);
1263 // The content of activities normally doesn't matter - except for likes from Misskey
1264 if (!in_array($item['verb'], self::ACTIVITIES) || in_array($item['verb'], [Activity::LIKE, Activity::DISLIKE]) && !empty($item['body']) && (mb_strlen($item['body']) == 1)) {
1265 Post\Content::insert($item['uri-id'], $item);
1268 $item['parent'] = $parent_id;
1270 // Create Diaspora signature
1271 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != self::GRAVITY_PARENT)) {
1272 $signed = Diaspora::createCommentSignature($item);
1273 if (!empty($signed)) {
1274 $item['diaspora_signed_text'] = json_encode($signed);
1278 if (!empty($item['diaspora_signed_text'])) {
1279 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1282 // Attached file links
1283 if (!empty($item['file'])) {
1284 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1287 // Delivery relevant data
1288 $delivery_data = Post\DeliveryData::extractFields($item);
1290 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1291 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1294 // Store tags from the body if this hadn't been handled previously in the protocol classes
1295 if (!Tag::existsForPost($item['uri-id'])) {
1296 Tag::storeFromBody($item['uri-id'], $item['body']);
1299 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1300 if (Post::exists($condition)) {
1301 Logger::notice('Item is already inserted - aborting', $condition);
1305 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1306 if (!$post_user_id) {
1307 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1311 if ($item['gravity'] == self::GRAVITY_PARENT) {
1312 $item['post-user-id'] = $post_user_id;
1313 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1316 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1318 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1319 if (!DBA::isResult($posted_item)) {
1320 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1321 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1322 self::spool($orig_item);
1326 // update the commented timestamp on the parent
1327 if (DI::config()->get('system', 'like_no_comment')) {
1328 // Update when it is a comment
1329 $update_commented = in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]);
1331 // Update when it isn't a follow or tag verb
1332 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1335 if ($update_commented) {
1336 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1338 $fields = ['changed' => DateTimeFormat::utcNow()];
1341 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1343 // In that function we check if this is a group post. Additionally we delete the item under certain circumstances
1344 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1345 // Get the user information for the logging
1346 $user = User::getById($uid);
1348 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1353 DI::contentItem()->postProcessPost($posted_item);
1355 Hook::callAll('post_remote_end', $posted_item);
1358 if ($posted_item['gravity'] === self::GRAVITY_PARENT) {
1359 self::addShadow($post_user_id);
1361 self::addShadowPost($post_user_id);
1364 self::updateContact($posted_item);
1366 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1368 // Distribute items to users who subscribed to their tags
1369 self::distributeByTags($posted_item);
1371 // Automatically reshare the item if the "remote_self" option is selected
1372 self::autoReshare($posted_item);
1374 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1377 if ($posted_item['uid'] && Contact\User::isBlocked($posted_item['author-id'], $posted_item['uid'])) {
1378 Logger::info('Message from blocked author will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['author-id']]);
1381 if ($transmit && $posted_item['uid'] && Contact\User::isBlocked($posted_item['owner-id'], $posted_item['uid'])) {
1382 Logger::info('Message from blocked owner will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['owner-id']]);
1385 if ($transmit && !empty($posted_item['causer-id']) && $posted_item['uid'] && Contact\User::isBlocked($posted_item['causer-id'], $posted_item['uid'])) {
1386 Logger::info('Message from blocked causer will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['causer-id']]);
1390 // Don't relay participation messages
1391 if (($posted_item['verb'] == Activity::FOLLOW) &&
1392 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))
1394 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1399 if (!empty($source) && ($transmit || DI::config()->get('debug', 'store_source'))) {
1400 Post\Activity::insert($item['uri-id'], $source);
1404 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1407 // Fill the cache with the rendered content.
1408 if (in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1409 self::updateDisplayCache($posted_item['uri-id']);
1413 Post\Engagement::storeFromItem($posted_item);
1416 return $post_user_id;
1420 * Fetch the post reason for a given item array
1422 * @param array $item
1426 public static function getPostReason(array $item): int
1428 $actor = ($item['gravity'] == self::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1429 if (empty($item['origin']) && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1430 return self::PR_FOLLOWER;
1433 if (!empty($item['origin']) && empty($item['post-reason'])) {
1434 return self::PR_LOCAL;
1437 return $item['post-reason'] ?? self::PR_NONE;
1441 * Update the display cache
1443 * @param integer $uri_id
1445 * @throws InternalServerErrorException
1446 * @throws \ImagickException
1448 public static function updateDisplayCache(int $uri_id)
1450 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1455 self::prepareBody($item, false, false, true);
1459 * Change the owner of a parent item if it had been shared by a group
1461 * (public) group posts in the new format consist of the regular post by the author
1462 * followed by an announce message sent from the group account.
1463 * Changing the owner helps in grouping group posts.
1465 * @param array $item
1468 private static function setOwnerforResharedItem(array $item)
1470 $parent = Post::selectFirst(
1471 ['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1472 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]
1474 if (!DBA::isResult($parent)) {
1475 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1479 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1480 if (!DBA::isResult($author)) {
1481 Logger::error('Author not found', ['id' => $item['author-id']]);
1485 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1486 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1488 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1489 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1490 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1494 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1495 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1496 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1500 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1501 Logger::info('The resharer is no group: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1506 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1507 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1511 * Distribute the given item to users who subscribed to their tags
1513 * @param array $item Processed item
1515 private static function distributeByTags(array $item)
1517 if (($item['uid'] != 0) || ($item['gravity'] != self::GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1521 foreach (Tag::getUIDListByURIId($item['uri-id']) as $uid => $tags) {
1522 $stored = self::storeForUserByUriId($item['uri-id'], $uid, ['post-reason' => self::PR_TAG]);
1523 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1524 foreach ($tags as $tag) {
1525 $stored = Category::storeFileByURIId($item['uri-id'], $uid, Category::SUBCRIPTION, $tag);
1526 Logger::debug('Stored tag subscription for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, $tag, 'stored' => $stored]);
1532 * Distributes public items to the receivers
1534 * @param integer $itemid Item ID that should be added
1535 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1536 * @throws \Exception
1538 public static function distribute(int $itemid, string $signed_text = '')
1540 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1541 $parent = Post::selectFirst(['owner-id'], $condition);
1542 if (!DBA::isResult($parent)) {
1543 Logger::warning('Item not found', ['condition' => $condition]);
1547 // Only distribute public items from native networks
1549 'id' => $itemid, 'uid' => 0,
1550 'network' => array_merge(Protocol::FEDERATED, ['']),
1551 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]
1553 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), $condition);
1554 if (!DBA::isResult($item)) {
1555 Logger::warning('Item not found', ['condition' => $condition]);
1559 $origin = $item['origin'];
1563 /// @todo add a field "pcid" in the contact table that refers to the public contact id.
1564 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1565 if (!DBA::isResult($owner)) {
1569 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1570 $contacts = DBA::select('contact', ['uid'], $condition);
1571 while ($contact = DBA::fetch($contacts)) {
1572 if ($contact['uid'] == 0) {
1576 $users[$contact['uid']] = $contact['uid'];
1578 DBA::close($contacts);
1580 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1581 $contacts = DBA::select('contact', ['uid'], $condition);
1582 while ($contact = DBA::fetch($contacts)) {
1583 if ($contact['uid'] == 0) {
1587 $users[$contact['uid']] = $contact['uid'];
1589 DBA::close($contacts);
1591 if (!empty($owner['alias'])) {
1592 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1593 $contacts = DBA::select('contact', ['uid'], $condition);
1594 while ($contact = DBA::fetch($contacts)) {
1595 if ($contact['uid'] == 0) {
1599 $users[$contact['uid']] = $contact['uid'];
1601 DBA::close($contacts);
1606 if ($item['uri-id'] != $item['parent-uri-id']) {
1607 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1608 while ($parent = Post::fetch($parents)) {
1609 $users[$parent['uid']] = $parent['uid'];
1610 if ($parent['origin'] && !$origin) {
1611 $origin_uid = $parent['uid'];
1614 DBA::close($parents);
1617 foreach ($users as $uid) {
1618 if ($origin_uid == $uid) {
1619 $item['diaspora_signed_text'] = $signed_text;
1621 $item['post-reason'] = self::PR_DISTRIBUTE;
1622 self::storeForUser($item, $uid);
1627 * Store a public item defined by their URI-ID for the given users
1629 * @param integer $uri_id URI-ID of the given item
1630 * @param integer $uid The user that will receive the item entry
1631 * @param array $fields Additional fields to be stored
1632 * @param integer $source_uid User id of the source post
1633 * @return integer stored item id
1635 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1637 if ($uid == $source_uid) {
1638 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1642 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['uri-id' => $uri_id, 'uid' => $source_uid]);
1643 if (!DBA::isResult($item)) {
1644 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1648 if (($uid != 0) && ($item['gravity'] == self::GRAVITY_PARENT)) {
1649 $owner = User::getOwnerDataById($uid);
1650 if (($owner['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && !Tag::isMentioned($uri_id, $owner['url'])) {
1651 Logger::info('Target user is a group but is not mentioned here, thread will not be stored', ['uid' => $uid, 'uri-id' => $uri_id]);
1656 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1657 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']]);
1661 $item['post-reason'] = self::PR_STORED;
1663 $item = array_merge($item, $fields);
1665 if (($uid != 0) && Contact::isSharing(($item['gravity'] == Item::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'], $uid)) {
1666 $item['post-reason'] = self::PR_FOLLOWER;
1669 $is_reshare = ($item['gravity'] == self::GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1671 if (($uid != 0) && (($item['gravity'] == self::GRAVITY_PARENT) || $is_reshare) &&
1672 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1673 !in_array($item['post-reason'], [self::PR_FOLLOWER, self::PR_TAG, self::PR_TO, self::PR_CC, self::PR_ACTIVITY, self::PR_AUDIENCE])
1675 Logger::info('Contact is not a follower, thread will not be stored', ['author' => $item['author-link'], 'uid' => $uid, 'uri-id' => $uri_id, 'post-reason' => $item['post-reason']]);
1679 $causer = $item['causer-id'] ?: $item['author-id'];
1681 if (($uri_id != $item['parent-uri-id']) && ($item['gravity'] == self::GRAVITY_COMMENT) && !Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
1682 if (!self::fetchParent($item['parent-uri-id'], $uid, $causer)) {
1683 Logger::info('Parent post had not been added', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1686 Logger::info('Fetched parent post', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1687 } elseif (($uri_id != $item['thr-parent-id']) && $is_reshare && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1688 if (!self::fetchParent($item['thr-parent-id'], $uid, $causer)) {
1689 Logger::info('Thread parent had not been added', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1692 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1695 $stored = self::storeForUser($item, $uid);
1696 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'causer' => $causer, 'source-uid' => $source_uid, 'stored' => $stored]);
1701 * Fetch the parent with the given uri-id
1703 * @param integer $uri_id
1704 * @param integer $uid
1705 * @param integer $causer
1709 private static function fetchParent(int $uri_id, int $uid, int $causer): int
1711 // Fetch the origin user for the post
1712 $origin_uid = self::GetOriginUidForUriId($uri_id, $uid);
1713 if (is_null($origin_uid)) {
1714 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $uri_id]);
1718 return self::storeForUserByUriId($uri_id, $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1722 * Returns the origin uid of a post if the given user is allowed to see it.
1728 private static function GetOriginUidForUriId(int $uriid, int $uid)
1730 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1734 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1735 if (!empty($post)) {
1736 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1737 return $post['uid'];
1740 $pcid = Contact::getPublicIdByUserId($uid);
1745 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1746 if ($receiver == $pcid) {
1747 return $post['uid'];
1754 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1758 // When the post belongs to a a group then all group users are allowed to access it
1759 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1760 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1761 $target_uid = User::getIdForURL($tag['url']);
1762 if (!empty($target_uid)) {
1772 * Store a public item array for the given users
1774 * @param array $item The item entry that will be stored
1775 * @param integer $uid The user that will receive the item entry
1776 * @return integer stored item id
1777 * @throws \Exception
1779 private static function storeForUser(array $item, int $uid): int
1781 $post = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1782 if (!empty($post['id'])) {
1783 if (!empty($item['event-id'])) {
1784 $event_post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1785 if (!empty($event_post['event-id'])) {
1786 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish'], ['id' => $item['event-id']]);
1787 if (!empty($event)) {
1788 // We aren't using "Event::store" here, since we don't want to trigger any further action
1789 $ret = DBA::update('event', $event, ['id' => $event_post['event-id']]);
1790 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $event_post['event-id'], 'ret' => $ret]);
1794 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'id' => $post['id']]);
1798 // Data from the "post-user" table
1800 unset($item['mention']);
1801 unset($item['starred']);
1802 unset($item['unseen']);
1803 unset($item['psid']);
1804 unset($item['pinned']);
1805 unset($item['ignored']);
1806 unset($item['pubmail']);
1807 unset($item['event-id']);
1808 unset($item['hidden']);
1809 unset($item['notification-type']);
1811 // Data from the "post-delivery-data" table
1812 unset($item['postopts']);
1813 unset($item['inform']);
1815 $item['uid'] = $uid;
1816 $item['origin'] = 0;
1820 if ($item['gravity'] == self::GRAVITY_PARENT) {
1821 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1822 if (DBA::isResult($contact)) {
1823 $notify = self::isRemoteSelf($contact, $item);
1824 $item['wall'] = (bool)$notify;
1828 $item['contact-id'] = self::contactId($item);
1829 $distributed = self::insert($item, $notify);
1831 if (!$distributed) {
1832 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1834 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1836 return $distributed;
1840 * Add a shadow entry for a given item id that is a thread starter
1842 * We store every public item entry additionally with the user id "0".
1843 * This is used for the community page and for the search.
1844 * It is planned that in the future we will store public item entries only once.
1846 * @param integer $itemid Item ID that should be added
1847 * @throws \Exception
1849 private static function addShadow(int $itemid)
1851 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1852 $condition = ['id' => $itemid, 'gravity' => self::GRAVITY_PARENT];
1853 $item = Post::selectFirst($fields, $condition);
1855 if (!DBA::isResult($item)) {
1859 // is it already a copy?
1860 if (($itemid == 0) || ($item['uid'] == 0)) {
1864 // Is it a visible public post?
1865 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1869 // is it an entry from a connector? Only add an entry for natively connected networks
1870 if (!in_array($item["network"], array_merge(Protocol::FEDERATED, ['']))) {
1874 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1878 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1880 if (DBA::isResult($item)) {
1881 // Preparing public shadow (removing user specific data)
1884 unset($item['parent']);
1885 unset($item['wall']);
1886 unset($item['mention']);
1887 unset($item['origin']);
1888 unset($item['starred']);
1889 unset($item['postopts']);
1890 unset($item['inform']);
1891 unset($item['post-reason']);
1892 if ($item['uri-id'] == $item['parent-uri-id']) {
1893 $item['contact-id'] = $item['owner-id'];
1895 $item['contact-id'] = $item['author-id'];
1898 $public_shadow = self::insert($item);
1900 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1905 * Add a shadow entry for a given item id that is a comment
1907 * This function does the same like the function above - but for comments
1909 * @param integer $itemid Item ID that should be added
1910 * @throws \Exception
1912 private static function addShadowPost(int $itemid)
1914 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1915 if (!DBA::isResult($item)) {
1919 // Is it a toplevel post?
1920 if ($item['gravity'] == self::GRAVITY_PARENT) {
1921 self::addShadow($itemid);
1925 // Is this a shadow entry?
1926 if ($item['uid'] == 0) {
1930 // Is there a shadow parent?
1931 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1935 // Is there already a shadow entry?
1936 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1940 // Save "origin" and "parent" state
1941 $origin = $item['origin'];
1942 $parent = $item['parent'];
1944 // Preparing public shadow (removing user specific data)
1947 unset($item['parent']);
1948 unset($item['wall']);
1949 unset($item['mention']);
1950 unset($item['origin']);
1951 unset($item['starred']);
1952 unset($item['postopts']);
1953 unset($item['inform']);
1954 unset($item['post-reason']);
1955 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1957 $public_shadow = self::insert($item);
1959 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1961 // If this was a comment to a Diaspora post we don't get our comment back.
1962 // This means that we have to distribute the comment by ourselves.
1963 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1964 self::distribute($public_shadow);
1969 * Adds a language specification in a "language" element of given $arr.
1970 * Expects "body" element to exist in $arr.
1972 * @param array $item
1973 * @return string detected language
1974 * @throws \Text_LanguageDetect_Exception
1976 private static function getLanguage(array $item): string
1978 if (!empty($item['language'])) {
1979 return $item['language'];
1982 if (!in_array($item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) || empty($item['body'])) {
1986 $languages = self::getLanguageArray(trim($item['title'] . "\n" . $item['body']), 3);
1987 if (empty($languages)) {
1991 return json_encode($languages);
1995 * Get a language array from a given text
1997 * @param string $body
1998 * @param integer $count
2001 public static function getLanguageArray(string $body, int $count): array
2003 // Convert attachments to links
2004 $naked_body = BBCode::removeAttachment($body);
2005 if (empty($naked_body)) {
2009 // Remove links and pictures
2010 $naked_body = BBCode::removeLinks($naked_body);
2012 // Convert the title and the body to plain text
2013 $naked_body = BBCode::toPlaintext($naked_body);
2015 // Remove possibly remaining links
2016 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
2018 if (empty($naked_body)) {
2022 $naked_body = self::getDominantLanguage($naked_body);
2024 $availableLanguages = DI::l10n()->getAvailableLanguages(true);
2025 $availableLanguages = DI::l10n()->convertForLanguageDetection($availableLanguages);
2027 $ld = new Language(array_keys($availableLanguages));
2028 return $ld->detect($naked_body)->limit(0, $count)->close() ?: [];
2032 * Check if latin or non latin are dominant in the body and only return the dominant one
2034 * @param string $body
2037 private static function getDominantLanguage(string $body): string
2041 for ($i = 0; $i < mb_strlen($body); $i++) {
2042 $character = mb_substr($body, $i, 1);
2043 $ord = mb_ord($character);
2045 // We add the most common characters to both strings.
2046 if (($ord <= 64) || ($ord >= 91 && $ord <= 96) || ($ord >= 123 && $ord <= 191) || in_array($ord, [215, 247]) || ($ord >= 697 && $ord <= 735) || ($ord > 65535)) {
2047 $latin .= $character;
2048 $non_latin .= $character;
2049 } elseif ($ord < 768) {
2050 $latin .= $character;
2052 $non_latin .= $character;
2055 return (mb_strlen($latin) > mb_strlen($non_latin)) ? $latin : $non_latin;
2058 public static function getLanguageMessage(array $item): string
2060 $iso639 = new \Matriphe\ISO639\ISO639;
2062 $used_languages = '';
2063 foreach (json_decode($item['language'], true) as $language => $reliability) {
2064 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
2066 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2067 return $used_languages;
2071 * Creates an unique guid out of a given uri.
2072 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
2073 * Posts that are created on this system are using System::createUUID.
2074 * Received ActivityPub posts are using Processor::getGUIDByURL.
2076 * @param string $uri uri of an item entry
2077 * @param string|null $host hostname for the GUID prefix
2078 * @return string Unique guid
2079 * @throws \Exception
2081 public static function guidFromUri(string $uri, string $host = null): string
2083 // Our regular guid routine is using this kind of prefix as well
2084 // We have to avoid that different routines could accidentally create the same value
2085 $parsed = parse_url($uri);
2087 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2088 unset($parsed['scheme']);
2090 $hostPart = $host ?: $parsed['host'] ?? '';
2092 Logger::warning('Empty host GUID part', ['uri' => $uri, 'host' => $host, 'parsed' => $parsed, 'callstack' => System::callstack(10)]);
2095 // Glue it together to be able to make a hash from it
2096 if (!empty($parsed)) {
2097 $host_id = implode('/', $parsed);
2102 // Use a mixture of several hashes to provide some GUID like experience
2103 return hash('crc32', $hostPart) . '-' . hash('joaat', $host_id) . '-' . hash('fnv164', $host_id);
2107 * generate an unique URI
2109 * @param string $guid An existing GUID (Otherwise it will be generated)
2112 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2114 public static function newURI(string $guid = ''): string
2117 $guid = System::createUUID();
2120 return DI::baseUrl() . '/objects/' . $guid;
2124 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2126 * This can be used to filter for inactive contacts.
2127 * Only do this for public postings to avoid privacy problems, since poco data is public.
2128 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2130 * @param array $arr Contains the just posted item record
2131 * @throws \Exception
2133 private static function updateContact(array $arr)
2135 // Unarchive the author
2136 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2137 if (DBA::isResult($contact)) {
2138 Contact::unmarkForArchival($contact);
2141 // Unarchive the contact if it's not our own contact
2142 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2143 if (DBA::isResult($contact)) {
2144 Contact::unmarkForArchival($contact);
2147 /// @todo On private posts we could obfuscate the date
2148 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2150 // Is it a group? Then we don't care about the rules from above
2151 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
2152 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2158 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2159 // So we have to ensure to only update the last item when it had been our own post,
2160 // or it had been done by a "regular" contact.
2161 if (!empty($arr['wall'])) {
2162 $condition = ['id' => $arr['contact-id']];
2164 $condition = ['id' => $arr['contact-id'], 'self' => false];
2166 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2168 // Now do the same for the system wide contacts with uid=0
2169 if ($arr['private'] != self::PRIVATE) {
2171 ['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2172 ['id' => $arr['owner-id']]
2175 if ($arr['owner-id'] != $arr['author-id']) {
2177 ['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2178 ['id' => $arr['author-id']]
2184 public static function setHashtags(string $body): string
2186 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
2187 $tags = BBCode::getTags($body);
2190 if (!count($tags)) {
2194 // This sorting is important when there are hashtags that are part of other hashtags
2195 // Otherwise there could be problems with hashtags like #test and #test2
2196 // Because of this we are sorting from the longest to the shortest tag.
2197 usort($tags, function ($a, $b) {
2198 return strlen($b) <=> strlen($a);
2201 $URLSearchString = "^\[\]";
2203 // All hashtags should point to the home server if "local_tags" is activated
2204 if (DI::config()->get('system', 'local_tags')) {
2205 $body = preg_replace(
2206 "/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2207 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]",
2212 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2213 $body = preg_replace_callback(
2214 "/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2216 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2221 $body = preg_replace_callback(
2222 "/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2224 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2229 $body = preg_replace_callback(
2230 "/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
2232 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2237 // Repair recursive urls
2238 $body = preg_replace(
2239 "/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2244 foreach ($tags as $tag) {
2245 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2249 $basetag = str_replace('_', ' ', substr($tag, 1));
2250 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2252 $body = str_replace($tag, $newtag, $body);
2255 // Convert back the masked hashtags
2256 $body = str_replace("#", "#", $body);
2265 * look for mention tags and setup a second delivery chain for group/community posts if appropriate
2268 * @param int $item_id
2269 * @return boolean true if item was deleted, else false
2270 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2271 * @throws \ImagickException
2273 private static function tagDeliver(int $uid, int $item_id): bool
2275 $owner = User::getOwnerDataById($uid);
2276 if (!DBA::isResult($owner)) {
2277 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2281 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2282 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2286 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [self::GRAVITY_PARENT, self::GRAVITY_COMMENT], 'origin' => false]);
2287 if (!DBA::isResult($item)) {
2288 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2292 if ($item['gravity'] == self::GRAVITY_PARENT) {
2293 if (Tag::isMentioned($item['uri-id'], $owner['url'])) {
2294 Logger::info('Mention found in tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2296 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2297 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2301 $arr = ['item' => $item, 'user' => $owner];
2303 Hook::callAll('tagged', $arr);
2305 if (Tag::isMentioned($item['parent-uri-id'], $owner['url'])) {
2306 Logger::info('Mention found in parent tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2308 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2313 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2315 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2317 $allow_gid = '<' . Circle::FOLLOWERS . '>';
2320 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2322 self::performActivity($item['id'], 'announce', $uid);
2325 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2330 * Automatically reshare the item if the "remote_self" option is selected
2332 * @param array $item
2335 private static function autoReshare(array $item)
2337 if ($item['gravity'] != self::GRAVITY_PARENT) {
2341 $cdata = Contact::getPublicAndUserContactID($item['author-id'], $item['uid']);
2342 if (empty($cdata['user']) || ($cdata['user'] != $item['contact-id'])) {
2346 if (!DBA::exists('contact', ['id' => $cdata['user'], 'remote_self' => LocalRelationship::MIRROR_NATIVE_RESHARE])) {
2350 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2354 if (User::getById($item['uid'], ['blocked'])['blocked'] ?? false) {
2358 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2360 self::performActivity($item['id'], 'announce', $item['uid']);
2363 public static function isRemoteSelf(array $contact, array &$datarray): bool
2365 if ($contact['remote_self'] != LocalRelationship::MIRROR_OWN_POST) {
2369 // Prevent the forwarding of posts that are forwarded
2370 if (!empty($datarray['extid']) && ($datarray['extid'] == Protocol::DFRN)) {
2371 Logger::info('Already forwarded');
2375 // Prevent to forward already forwarded posts
2376 if ($datarray['app'] == DI::baseUrl()->getHost()) {
2377 Logger::info('Already forwarded (second test)');
2381 // Only forward posts
2382 if ($datarray['verb'] != Activity::POST) {
2383 Logger::info('No post');
2387 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2388 Logger::info('Not public');
2392 if (User::getById($contact['uid'], ['blocked'])['blocked'] ?? false) {
2393 Logger::info('User is blocked', ['contact' => $contact]);
2397 $datarray2 = $datarray;
2398 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self' => $contact['remote_self'], 'item' => $datarray]);
2400 $self = DBA::selectFirst(
2402 ['id', 'name', 'url', 'thumb'],
2403 ['uid' => $contact['uid'], 'self' => true]
2405 if (!DBA::isResult($self)) {
2406 Logger::error('Self contact not found', ['uid' => $contact['uid']]);
2410 $datarray['contact-id'] = $self['id'];
2412 $datarray['author-name'] = $datarray['owner-name'] = $self['name'];
2413 $datarray['author-link'] = $datarray['owner-link'] = $self['url'];
2414 $datarray['author-avatar'] = $datarray['owner-avatar'] = $self['thumb'];
2416 unset($datarray['edited']);
2418 unset($datarray['network']);
2419 unset($datarray['owner-id']);
2420 unset($datarray['author-id']);
2422 if ($contact['network'] != Protocol::FEED) {
2423 $old_uri_id = $datarray['uri-id'] ?? 0;
2424 $datarray['guid'] = System::createUUID();
2425 unset($datarray['plink']);
2426 $datarray['uri'] = self::newURI($datarray['guid']);
2427 $datarray['uri-id'] = ItemURI::getIdByURI($datarray['uri']);
2428 $datarray['extid'] = Protocol::DFRN;
2429 $urlpart = parse_url($datarray2['author-link']);
2430 $datarray['app'] = $urlpart['host'];
2431 if (!empty($old_uri_id)) {
2432 Post\Media::copy($old_uri_id, $datarray['uri-id']);
2435 unset($datarray['parent-uri']);
2436 unset($datarray['thr-parent']);
2438 // Store the original post
2439 $result = self::insert($datarray2);
2440 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result' => $result, 'item' => $datarray2]);
2442 $datarray['private'] = self::PUBLIC;
2443 $datarray['app'] = 'Feed';
2447 return (bool)$result;
2454 * @param array $item
2457 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2458 * @throws \ImagickException
2460 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2462 if (DI::config()->get('system', 'disable_embedded')) {
2466 Logger::info('check for photos');
2467 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2472 $img_start = strpos($orig_body, '[img');
2473 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2474 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2476 while (($img_st_close !== false) && ($img_len !== false)) {
2477 $img_st_close++; // make it point to AFTER the closing bracket
2478 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2480 Logger::info('found photo', ['image' => $image]);
2482 if (stristr($image, $site . '/photo/')) {
2483 // Only embed locally hosted photos
2485 $i = basename($image);
2486 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2487 $x = strpos($i, '-');
2490 $res = substr($i, $x + 1);
2491 $i = substr($i, 0, $x);
2492 $photo = Photo::getPhotoForUser($uid, $i, $res);
2493 if (DBA::isResult($photo)) {
2495 * Check to see if we should replace this photo link with an embedded image
2496 * 1. No need to do so if the photo is public
2497 * 2. If there's a contact-id provided, see if they're in the access list
2498 * for the photo. If so, embed it.
2499 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2500 * permissions, regardless of order but first check to see if they're an exact
2501 * match to save some processing overhead.
2503 if (self::hasPermissions($photo)) {
2505 $recips = self::enumeratePermissions($photo);
2506 if (in_array($cid, $recips)) {
2510 if (self::samePermissions($uid, $item, $photo)) {
2516 $photo_img = Photo::getImageForPhoto($photo);
2517 // If a custom width and height were specified, apply before embedding
2518 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2519 Logger::info('scaling photo');
2521 $width = intval($match[1]);
2522 $height = intval($match[2]);
2524 $photo_img->scaleDown(max($width, $height));
2527 $data = $photo_img->asString();
2528 $type = $photo_img->getType();
2530 Logger::info('replacing photo');
2531 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2532 Logger::debug('replaced', ['image' => $image]);
2538 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2539 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2540 if ($orig_body === false) {
2544 $img_start = strpos($orig_body, '[img');
2545 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2546 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2549 $new_body = $new_body . $orig_body;
2554 private static function hasPermissions(array $obj)
2556 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2557 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2560 // @TODO $uid is unused parameter
2561 private static function samePermissions($uid, array $obj1, array $obj2): bool
2563 // first part is easy. Check that these are exactly the same.
2564 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2565 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2566 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2567 && ($obj1['deny_gid'] == $obj2['deny_gid'])
2572 // This is harder. Parse all the permissions and compare the resulting set.
2573 $recipients1 = self::enumeratePermissions($obj1);
2574 $recipients2 = self::enumeratePermissions($obj2);
2578 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2579 return ($recipients1 == $recipients2);
2583 * Returns an array of contact-ids that are allowed to see this object
2585 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2586 * @param bool $check_dead Prunes unavailable contacts from the result
2587 * @param bool $expand_followers Expand the list of followers
2589 * @throws \Exception
2591 public static function enumeratePermissions(array $obj, bool $check_dead = false, bool $expand_followers = true): array
2593 $aclFormatter = DI::aclFormatter();
2595 if (!$expand_followers && (!empty($obj['deny_cid']) || !empty($obj['deny_gid']))) {
2596 $expand_followers = true;
2599 $allow_people = $aclFormatter->expand($obj['allow_cid']);
2600 $allow_circles = Circle::expand($obj['uid'], $aclFormatter->expand($obj['allow_gid']), $check_dead, $expand_followers);
2601 $deny_people = $aclFormatter->expand($obj['deny_cid']);
2602 $deny_circles = Circle::expand($obj['uid'], $aclFormatter->expand($obj['deny_gid']), $check_dead);
2603 $recipients = array_unique(array_merge($allow_people, $allow_circles));
2604 $deny = array_unique(array_merge($deny_people, $deny_circles));
2605 $recipients = array_diff($recipients, $deny);
2609 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2611 if (!$uid || ($days < 1)) {
2616 "`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2617 $uid, self::GRAVITY_PARENT
2621 * $expire_network_only = save your own wall posts
2622 * and just expire conversations started by others
2624 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2626 if ($expire_network_only) {
2627 $condition[0] .= " AND NOT `wall`";
2630 if ($network != "") {
2631 $condition[0] .= " AND `network` = ?";
2632 $condition[] = $network;
2635 $condition[0] .= " AND `received` < ?";
2636 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2638 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2640 if (!DBA::isResult($items)) {
2644 $expire_items = (bool)DI::pConfig()->get($uid, 'expire', 'items', true);
2646 // Forcing expiring of items - but not notes and marked items
2648 $expire_items = true;
2651 $expire_notes = (bool)DI::pConfig()->get($uid, 'expire', 'notes', true);
2652 $expire_starred = (bool)DI::pConfig()->get($uid, 'expire', 'starred', true);
2653 $expire_photos = (bool)DI::pConfig()->get($uid, 'expire', 'photos', false);
2657 $priority = DI::config()->get('system', 'expire-notify-priority');
2659 while ($item = Post::fetch($items)) {
2660 // don't expire filed items
2661 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2665 // Only expire posts, not photos and photo comments
2667 if (!$expire_photos && !empty($item['resource-id'])) {
2669 } elseif (!$expire_starred && intval($item['starred'])) {
2671 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2673 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2677 self::markForDeletionById($item['id'], $priority);
2682 Logger::notice('Expired', ['user' => $uid, 'days' => $days, 'network' => $network, 'force' => $force, 'expired' => $expired, 'expire items' => $expire_items, 'expire notes' => $expire_notes, 'expire starred' => $expire_starred, 'expire photos' => $expire_photos, 'condition' => $condition]);
2685 public static function firstPostDate(int $uid, bool $wall = false)
2687 $user = User::getById($uid, ['register_date']);
2693 "`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2694 $uid, $wall, $user['register_date']
2696 $params = ['order' => ['received' => false]];
2697 $thread = Post::selectFirstThread(['received'], $condition, $params);
2698 if (DBA::isResult($thread)) {
2699 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2706 * add/remove activity to an item
2708 * Toggle activities as like,dislike,attend of an item
2710 * @param int $item_id
2711 * @param string $verb
2712 * Activity verb. One of
2713 * like, unlike, dislike, undislike, attendyes, unattendyes,
2714 * attendno, unattendno, attendmaybe, unattendmaybe,
2715 * announce, unannounce
2717 * @param string $allow_cid
2718 * @param string $allow_gid
2719 * @param string $deny_cid
2720 * @param string $deny_gid
2722 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2723 * @throws \ImagickException
2724 * @hook 'post_local_end'
2726 * 'post_id' => ID of posted item
2728 public static function performActivity(int $item_id, string $verb, int $uid, string $allow_cid = null, string $allow_gid = null, string $deny_cid = null, string $deny_gid = null): bool
2734 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2736 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2737 if (!DBA::isResult($item)) {
2738 Logger::warning('Post had not been fetched', ['id' => $item_id]);
2742 $uri_id = $item['uri-id'];
2744 if (!in_array($item['uid'], [0, $uid])) {
2748 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2749 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid, ['post-reason' => Item::PR_ACTIVITY]);
2750 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2751 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2752 if (!DBA::isResult($item)) {
2753 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2759 // Retrieves the local post owner
2760 $owner = User::getOwnerDataById($uid);
2761 if (empty($owner)) {
2762 Logger::info('Empty owner for user', ['uid' => $uid]);
2766 // Retrieve the current logged in user's public contact
2767 $author_id = Contact::getPublicIdByUserId($uid);
2768 if (empty($author_id)) {
2769 Logger::info('Empty public contact');
2777 $activity = Activity::LIKE;
2781 $activity = Activity::DISLIKE;
2785 $activity = Activity::ATTEND;
2789 $activity = Activity::ATTENDNO;
2792 case 'unattendmaybe':
2793 $activity = Activity::ATTENDMAYBE;
2797 $activity = Activity::FOLLOW;
2801 $activity = Activity::ANNOUNCE;
2804 Logger::warning('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2808 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2810 // Enable activity toggling instead of on/off
2811 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2813 // Look for an existing verb row
2814 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2815 if ($event_verb_flag) {
2816 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2818 // Translate to the index based activity index
2820 foreach ($verbs as $verb) {
2821 $vids[] = Verb::getID($verb);
2824 $vids = Verb::getID($activity);
2828 'vid' => $vids, 'deleted' => false, 'gravity' => self::GRAVITY_ACTIVITY,
2829 'author-id' => $author_id, 'uid' => $uid, 'thr-parent-id' => $uri_id
2831 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2833 if (DBA::isResult($like_item)) {
2835 * Truth table for existing activities
2837 * | Inputs || Outputs |
2838 * |----------------------------||-------------------|
2839 * | Mode | Event | Same verb || Delete? | Return? |
2840 * |--------|-------|-----------||---------|---------|
2841 * | create | Yes | Yes || No | Yes |
2842 * | create | Yes | No || Yes | No |
2843 * | create | No | Yes || No | Yes |
2844 * | create | No | No || N/A†|
2845 * | delete | Yes | Yes || Yes | N/A‡ |
2846 * | delete | Yes | No || No | N/A‡ |
2847 * | delete | No | Yes || Yes | N/A‡ |
2848 * | delete | No | No || N/A†|
2849 * |--------|-------|-----------||---------|---------|
2850 * | A | B | C || A xor C | !B or C |
2852 * †Can't happen: It's impossible to find an existing non-event activity without
2853 * the same verb because we are only looking for this single verb.
2855 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2857 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2858 self::markForDeletionById($like_item['id']);
2861 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2866 // No need to go further if we aren't creating anything
2867 if ($mode == 'delete') {
2871 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2874 'guid' => System::createUUID(),
2875 'uri' => self::newURI(),
2877 'contact-id' => $owner['id'],
2878 'wall' => $item['wall'],
2880 'network' => Protocol::DFRN,
2881 'protocol' => Conversation::PARCEL_DIRECT,
2882 'direction' => Conversation::PUSH,
2883 'gravity' => self::GRAVITY_ACTIVITY,
2884 'parent' => $item['id'],
2885 'thr-parent' => $item['uri'],
2886 'owner-id' => $author_id,
2887 'author-id' => $author_id,
2888 'body' => $activity,
2889 'verb' => $activity,
2890 'object-type' => $objtype,
2891 'allow_cid' => $allow_cid ?? $item['allow_cid'],
2892 'allow_gid' => $allow_gid ?? $item['allow_gid'],
2893 'deny_cid' => $deny_cid ?? $item['deny_cid'],
2894 'deny_gid' => $deny_gid ?? $item['deny_gid'],
2899 if (in_array($activity, [Activity::LIKE, Activity::DISLIKE])) {
2900 $signed = Diaspora::createLikeSignature($uid, $new_item);
2901 if (!empty($signed)) {
2902 $new_item['diaspora_signed_text'] = json_encode($signed);
2906 self::insert($new_item, true);
2908 // If the parent item isn't visible then set it to visible
2909 // @todo Check if this is still needed
2910 if (!$item['visible']) {
2911 self::update(['visible' => true], ['id' => $item['id']]);
2917 * Fetch the SQL condition for the given user id
2919 * @param integer $owner_id User ID for which the permissions should be fetched
2920 * @return array condition
2922 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
2924 $local_user = DI::userSession()->getLocalUserId();
2925 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
2927 // default permissions - anonymous user
2928 $condition = ["`private` != ?", self::PRIVATE];
2930 if ($local_user && ($local_user == $owner_id)) {
2931 // Profile owner - everything is visible
2933 } elseif ($remote_user) {
2934 // Authenticated visitor - fetch the matching permissionsets
2935 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2938 "(`private` != ? OR (`private` = ? AND `wall`
2939 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2940 self::PRIVATE, self::PRIVATE
2942 $condition = array_merge($condition, $permissionSets->column('id'));
2950 * Get a permission SQL string for the given user
2952 * @param int $owner_id
2953 * @param string $table
2956 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
2958 $local_user = DI::userSession()->getLocalUserId();
2959 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
2961 if (!empty($table)) {
2962 $table = DBA::quoteIdentifier($table) . '.';
2966 * Construct permissions
2968 * default permissions - anonymous user
2970 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2972 // Profile owner - everything is visible
2973 if ($local_user && ($local_user == $owner_id)) {
2975 } elseif ($remote_user) {
2977 * Authenticated visitor. Unless pre-verified,
2978 * check that the contact belongs to this $owner_id
2979 * and load the circles the visitor belongs to.
2980 * If pre-verified, the caller is expected to have already
2981 * done this and passed the circles into this function.
2983 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2986 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2991 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2998 * get translated item type
3000 * @param array $item
3001 * @param \Friendica\Core\L10n $l10n
3004 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
3006 if (!empty($item['event-id'])) {
3007 return $l10n->t('event');
3008 } elseif (!empty($item['resource-id'])) {
3009 return $l10n->t('photo');
3010 } elseif ($item['gravity'] == self::GRAVITY_ACTIVITY) {
3011 return $l10n->t('activity');
3012 } elseif ($item['gravity'] == self::GRAVITY_COMMENT) {
3013 return $l10n->t('comment');
3016 return $l10n->t('post');
3020 * Sets the "rendered-html" field of the provided item
3022 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3024 * @param array $item
3026 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3027 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3029 private static function putInCache(&$item)
3031 // Save original body to prevent addons to modify it
3032 $body = $item['body'];
3034 $rendered_hash = $item['rendered-hash'] ?? '';
3035 $rendered_html = $item['rendered-html'] ?? '';
3038 $rendered_hash == ''
3039 || $rendered_html == ''
3040 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
3041 || DI::config()->get('system', 'ignore_cache')
3043 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
3044 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
3046 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3047 Hook::callAll('put_item_in_cache', $hook_data);
3048 $item['rendered-html'] = $hook_data['rendered-html'];
3049 $item['rendered-hash'] = $hook_data['rendered-hash'];
3052 // Update if the generated values differ from the existing ones
3053 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
3056 'rendered-html' => $item['rendered-html'],
3057 'rendered-hash' => $item['rendered-hash']
3059 ['id' => $item['id']]
3064 $item['body'] = $body;
3068 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3069 * If attach is true, also add icons for item attachments.
3071 * @param array $item Record from item table
3072 * @param boolean $attach If true, add icons for item attachments as well
3073 * @param boolean $is_preview Whether this is a preview
3074 * @param boolean $only_cache Whether only cached HTML should be updated
3075 * @return string item body html
3076 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3077 * @throws \ImagickException
3078 * @hook prepare_body_init item array before any work
3079 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3080 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3081 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3083 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
3086 Hook::callAll('prepare_body_init', $item);
3089 // In order to provide theme developers more possibilities, event items
3090 // are treated differently.
3091 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3092 $ev = Event::getItemHTML($item);
3096 $tags = Tag::populateFromItem($item);
3098 $item['tags'] = $tags['tags'];
3099 $item['hashtags'] = $tags['hashtags'];
3100 $item['mentions'] = $tags['mentions'];
3103 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3104 $item['body'] = Post\Media::removeFromEndOfBody($item['body'] ?? '');
3105 $item['body'] = Post\Media::replaceImage($item['body']);
3108 $body = $item['body'];
3110 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3113 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network', 'has-media', 'quote-uri-id', 'post-type'];
3117 $quote_shared_links = [];
3119 $shared = DI::contentItem()->getSharedPost($item, $fields);
3120 if (!empty($shared['post'])) {
3121 $shared_item = $shared['post'];
3122 $shared_item['body'] = Post\Media::removeFromEndOfBody($shared_item['body']);
3123 $shared_item['body'] = Post\Media::replaceImage($shared_item['body']);
3124 $quote_uri_id = $shared['post']['uri-id'];
3125 $shared_links[] = strtolower($shared['post']['uri']);
3126 $item['body'] = BBCode::removeSharedData($item['body']);
3127 } elseif (empty($shared_item['uri-id']) && empty($item['quote-uri-id']) && ($item['network'] != Protocol::DIASPORA)) {
3128 $media = Post\Media::getByURIId($item['uri-id'], [Post\Media::ACTIVITY]);
3129 if (!empty($media)) {
3130 $shared_item = Post::selectFirst($fields, ['uri-id' => $media[0]['media-uri-id'], 'uid' => [$item['uid'], 0]]);
3131 if (empty($shared_item['uri-id'])) {
3132 $shared_item = Post::selectFirst($fields, ['plink' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3133 } elseif (!in_array(strtolower($media[0]['url']), $shared_links)) {
3134 $shared_links[] = strtolower($media[0]['url']);
3137 if (empty($shared_item['uri-id'])) {
3138 $shared_item = Post::selectFirst($fields, ['uri' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3139 $shared_links[] = strtolower($media[0]['url']);
3142 if (!empty($shared_item['uri-id'])) {
3143 $data = BBCode::getAttachmentData($shared_item['body']);
3144 if (!empty($data['url'])) {
3145 $quote_shared_links[] = $data['url'];
3148 $quote_uri_id = $shared_item['uri-id'];
3153 if (!empty($quote_uri_id)) {
3154 if (isset($shared_item['plink'])) {
3155 $item['body'] .= "\n" . DI::contentItem()->createSharedBlockByArray($shared_item, false, true);
3157 DI::logger()->warning('Missing plink in shared item', ['item' => $item, 'shared' => $shared, 'quote_uri_id' => $quote_uri_id, 'shared_item' => $shared_item]);
3161 if (!empty($shared_item['uri-id'])) {
3162 $shared_uri_id = $shared_item['uri-id'];
3163 $shared_links[] = strtolower($shared_item['plink']);
3164 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, [], $shared_item['has-media']);
3165 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
3166 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
3167 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
3168 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
3171 $attachments = Post\Media::splitAttachments($item['uri-id'], $shared_links, $item['has-media'] ?? false);
3172 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
3174 self::putInCache($item);
3175 $item['body'] = $body;
3176 $s = $item["rendered-html"];
3182 // Compile eventual content filter reasons
3183 $filter_reasons = [];
3184 if (!$is_preview && DI::userSession()->getPublicContactId() != $item['author-id']) {
3185 if (!empty($item['user-blocked-author']) || !empty($item['user-blocked-owner'])) {
3186 $filter_reasons[] = DI::l10n()->t('%s is blocked', $item['author-name']);
3187 } elseif (!empty($item['user-ignored-author']) || !empty($item['user-ignored-owner'])) {
3188 $filter_reasons[] = DI::l10n()->t('%s is ignored', $item['author-name']);
3189 } elseif (!empty($item['user-collapsed-author']) || !empty($item['user-collapsed-owner'])) {
3190 $filter_reasons[] = DI::l10n()->t('Content from %s is collapsed', $item['author-name']);
3193 if (!empty($item['content-warning']) && (!DI::userSession()->getLocalUserId() || !DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'disable_cw', false))) {
3194 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3197 $item['attachments'] = $attachments;
3201 'filter_reasons' => $filter_reasons
3203 Hook::callAll('prepare_body_content_filter', $hook_data);
3204 $filter_reasons = $hook_data['filter_reasons'];
3211 'preview' => $is_preview,
3212 'filter_reasons' => $filter_reasons
3214 Hook::callAll('prepare_body', $hook_data);
3215 $s = $hook_data['html'];
3220 // Replace the blockquotes with quotes that are used in mails.
3221 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3222 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3226 if (!empty($shared_attachments)) {
3227 $s = self::addGallery($s, $shared_attachments, $item['uri-id']);
3228 $s = self::addVisualAttachments($shared_attachments, $shared_item, $s, true);
3229 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, $quote_shared_links);
3230 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
3231 $body = BBCode::removeSharedData($body);
3234 $pos = strpos($s, BBCode::SHARED_ANCHOR);
3236 $shared_html = substr($s, $pos + strlen(BBCode::SHARED_ANCHOR));
3237 $s = substr($s, 0, $pos);
3240 $s = self::addGallery($s, $attachments, $item['uri-id']);
3241 $s = self::addVisualAttachments($attachments, $item, $s, false);
3242 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
3243 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
3244 $s = self::addQuestions($item, $s);
3247 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3248 $x = Map::byCoordinates(trim($item['coord']));
3250 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3254 // Replace friendica image url size with theme preference.
3255 if (!empty($a->getThemeInfoValue('item_image_size'))) {
3256 $ps = $a->getThemeInfoValue('item_image_size');
3257 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3260 if (!empty($shared_html)) {
3264 $s = HTML::applyContentFilter($s, $filter_reasons);
3266 $hook_data = ['item' => $item, 'html' => $s];
3267 Hook::callAll('prepare_body_final', $hook_data);
3268 return $hook_data['html'];
3272 * Creates a horizontally masoned gallery with a fixed maximum number of pictures per row.
3274 * For each row, we calculate how much of the total width each picture will take depending on their aspect ratio
3275 * and how much relative height it needs to accomodate all pictures next to each other with their height normalized.
3277 * @param array $images
3279 * @throws \Friendica\Network\HTTPException\ServiceUnavailableException
3281 private static function makeImageGrid(array $images): string
3283 static $column_size = 2;
3286 function (array $row_images) {
3287 if ($singleImageInRow = count($row_images) == 1) {
3288 $row_images[] = $row_images[0];
3293 foreach ($row_images as $image) {
3294 $widths[] = $image['attachment']['width'];
3295 $heights[] = $image['attachment']['height'];
3298 $maxHeight = max($heights);
3300 // Corrected height preserving aspect ratio when all images on a row are
3301 $correctedWidths = [];
3302 foreach ($widths as $i => $width) {
3303 $correctedWidths[] = $width * $maxHeight / $heights[$i];
3306 $totalWidth = array_sum($correctedWidths);
3308 foreach ($row_images as $i => $image) {
3309 $row_images[$i]['gridWidth'] = $correctedWidths[$i];
3310 $row_images[$i]['gridHeight'] = $maxHeight;
3311 $row_images[$i]['heightRatio'] = 100 * $maxHeight / $correctedWidths[$i];
3312 // Ratio of the width of the image relative to the total width of the images on the row
3313 $row_images[$i]['widthRatio'] = 100 * $correctedWidths[$i] / $totalWidth;
3314 // This magic value will stay constant for each image of any given row and
3315 // is ultimately used to determine the height of the row container
3316 $row_images[$i]['commonHeightRatio'] = 100 * $correctedWidths[$i] / $totalWidth / ($widths[$i] / $heights[$i]);
3319 if ($singleImageInRow) {
3320 unset($row_images[1]);
3325 array_chunk($images, $column_size)
3328 return Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image_grid.tpl'), [
3330 '$column_size' => $column_size,
3335 * Modify links to pictures to links for the "Fancybox" gallery
3338 * @param array $attachments
3339 * @param integer $uri_id
3342 private static function addGallery(string $s, array $attachments, int $uri_id): string
3344 foreach ($attachments['visual'] as $attachment) {
3345 if (empty($attachment['preview']) || ($attachment['type'] != Post\Media::IMAGE)) {
3349 $pattern = '#<a href="' . preg_quote($attachment['url']) . '">(.*?)"></a>#';
3351 $s = preg_replace_callback($pattern, function () use ($attachment, $uri_id) {
3352 return Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
3354 'src' => $attachment['url'],
3355 'uri_id' => $uri_id,
3356 'attachment' => $attachment,
3358 '$allocated_height' => Media::getAllocatedHeightByMedia($attachment),
3366 * Check if the body contains a link
3368 * @param string $body
3369 * @param string $url
3373 public static function containsLink(string $body, string $url, int $type = 0): bool
3375 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
3376 $urlparts = parse_url($url);
3377 if (empty($urlparts)) {
3381 unset($urlparts['query']);
3382 unset($urlparts['fragment']);
3385 $url = (string)Uri::fromParts($urlparts);
3386 } catch (\InvalidArgumentException $e) {
3387 DI::logger()->notice('Invalid URL', ['$url' => $url, '$urlparts' => $urlparts]);
3388 /* See https://github.com/friendica/friendica/issues/12113
3389 * Malformed URLs will result in a Fatal Error
3394 // Remove media links to only search in embedded content
3395 // @todo Check images for image link, audio for audio links, ...
3396 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
3397 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
3400 if (strpos($body, $url)) {
3404 foreach ([0, 1, 2] as $size) {
3406 preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
3407 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)
3417 * Replace visual attachments in the body
3419 * @param array $attachments
3420 * @param string $body
3421 * @return string modified body
3423 private static function replaceVisualAttachments(array $attachments, string $body): string
3425 DI::profiler()->startRecording('rendering');
3427 foreach ($attachments['visual'] as $attachment) {
3428 if (!empty($attachment['preview'])) {
3429 if (Network::isLocalLink($attachment['preview'])) {
3432 $proxy = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3433 $search = ['[img=' . $attachment['preview'] . ']', ']' . $attachment['preview'] . '[/img]'];
3434 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3436 $body = str_replace($search, $replace, $body);
3437 } elseif ($attachment['filetype'] == 'image') {
3438 if (Network::isLocalLink($attachment['url'])) {
3441 $proxy = Post\Media::getUrlForId($attachment['id']);
3442 $search = ['[img=' . $attachment['url'] . ']', ']' . $attachment['url'] . '[/img]'];
3443 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3445 $body = str_replace($search, $replace, $body);
3448 DI::profiler()->stopRecording();
3453 * Add visual attachments to the content
3455 * @param array $attachments
3456 * @param array $item
3457 * @param string $content
3458 * @return string modified content
3460 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared): string
3462 DI::profiler()->startRecording('rendering');
3467 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
3468 foreach ($attachments['visual'] as $attachment) {
3469 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
3473 if ($attachment['filetype'] == 'image') {
3474 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE);
3475 } elseif (!empty($attachment['preview'])) {
3476 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
3481 if ($preview_url && self::containsLink($item['body'], $preview_url)) {
3485 if (($attachment['filetype'] == 'video')) {
3486 /// @todo Move the template to /content as well
3487 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3489 'id' => $attachment['id'],
3490 'src' => $attachment['url'],
3491 'name' => $attachment['name'] ?: $attachment['url'],
3492 'preview' => $preview_url,
3493 'mime' => $attachment['mimetype'],
3496 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3499 $trailing .= $media;
3501 } elseif ($attachment['filetype'] == 'audio') {
3502 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3504 'id' => $attachment['id'],
3505 'src' => $attachment['url'],
3506 'name' => $attachment['name'] ?: $attachment['url'],
3507 'mime' => $attachment['mimetype'],
3510 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3513 $trailing .= $media;
3515 } elseif ($attachment['filetype'] == 'image') {
3516 $src_url = Post\Media::getUrlForId($attachment['id']);
3517 if (self::containsLink($item['body'], $src_url)) {
3521 $images[] = ['src' => $src_url, 'preview' => $preview_url, 'attachment' => $attachment, 'uri_id' => $item['uri-id']];
3526 if (count($images) > 1) {
3527 $media = self::makeImageGrid($images);
3528 } elseif (count($images) == 1) {
3529 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
3530 '$image' => $images[0],
3531 '$allocated_height' => Media::getAllocatedHeightByMedia($images[0]['attachment']),
3535 // On Diaspora posts the attached pictures are leading
3536 if ($item['network'] == Protocol::DIASPORA) {
3539 $trailing .= $media;
3543 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '</div>' . BBCode::TOP_ANCHOR, $content);
3544 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '</div>' . BBCode::BOTTOM_ANCHOR, $content);
3546 if ($leading != '') {
3547 $content = '<div class="body-attach">' . $leading . '</div>' . $content;
3550 if ($trailing != '') {
3551 $content .= '<div class="body-attach">' . $trailing . '</div>';
3555 DI::profiler()->stopRecording();
3560 * Add link attachment to the content
3562 * @param array $attachments
3563 * @param string $body
3564 * @param string $content
3565 * @param bool $shared
3566 * @param array $ignore_links A list of URLs to ignore
3567 * @return string modified content
3569 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3571 DI::profiler()->startRecording('rendering');
3572 // Don't show a preview when there is a visual attachment (audio or video)
3573 $types = array_column($attachments['visual'], 'type');
3574 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
3576 if (!empty($attachments['link'])) {
3577 foreach ($attachments['link'] as $link) {
3579 foreach ($ignore_links as $ignore_link) {
3580 if (Strings::compareLink($link['url'], $ignore_link)) {
3584 // @todo Judge between the links to use the one with most information
3585 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
3586 (empty($attachment['name']) && !empty($link['name'])) ||
3587 (empty($attachment['description']) && !empty($link['description'])) ||
3588 (empty($attachment['preview']) && !empty($link['preview'])))) {
3589 $attachment = $link;
3594 if (!empty($attachment)) {
3597 'author_name' => $attachment['author-name'] ?? '',
3598 'author_url' => $attachment['author-url'] ?? '',
3599 'description' => $attachment['description'] ?? '',
3602 'provider_name' => $attachment['publisher-name'] ?? '',
3603 'provider_url' => $attachment['publisher-url'] ?? '',
3605 'title' => $attachment['name'] ?? '',
3607 'url' => $attachment['url']
3610 if ($preview && !empty($attachment['preview'])) {
3611 if ($attachment['preview-width'] >= 500) {
3612 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3614 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3618 if (!empty($data['description']) && !empty($content)) {
3619 similar_text($data['description'], $content, $percent);
3624 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3625 $data['description'] = '';
3628 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3629 $data['author_name'] = '';
3632 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3633 $data['author_url'] = '';
3635 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3636 $data = BBCode::getAttachmentData($match[1]);
3638 DI::profiler()->stopRecording();
3640 if (isset($data['url']) && !in_array(strtolower($data['url']), $ignore_links)) {
3641 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview']) || (!empty($data['title']) && !Strings::compareLink($data['title'], $data['url']))) {
3642 $parts = parse_url($data['url']);
3643 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3644 if (empty($data['provider_name'])) {
3645 $data['provider_name'] = $parts['host'];
3647 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3648 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3650 if (!empty($parts['port'])) {
3651 $data['provider_url'] .= ':' . $parts['port'];
3656 // @todo Use a template
3657 $preview_mode = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'preview_mode', BBCode::PREVIEW_LARGE);
3658 if ($preview_mode != BBCode::PREVIEW_NONE) {
3659 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid, $preview_mode);
3663 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3664 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3665 '$url' => $data['url'],
3666 '$title' => $data['title'],
3673 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3675 return $content . $rendered;
3682 * Add non visual attachments to the content
3684 * @param array $attachments
3685 * @param array $item
3686 * @param string $content
3687 * @return string modified content
3689 private static function addNonVisualAttachments(array $attachments, array $item, string $content): string
3691 DI::profiler()->startRecording('rendering');
3693 foreach ($attachments['additional'] as $attachment) {
3694 if (strpos($item['body'], $attachment['url'])) {
3700 'id' => $item['author-id'],
3701 'network' => $item['author-network'],
3702 'url' => $item['author-link'],
3703 'alias' => $item['author-alias']
3705 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3707 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3709 if (!empty($attachment['size'])) {
3710 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3713 /// @todo Use a template
3714 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3715 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3718 if ($trailing != '') {
3719 $content .= '<div class="body-attach">' . $trailing . '</div>';
3722 DI::profiler()->stopRecording();
3726 private static function addQuestions(array $item, string $content): string
3728 DI::profiler()->startRecording('rendering');
3729 if (!empty($item['question-id'])) {
3731 'id' => $item['question-id'],
3732 'multiple' => $item['question-multiple'],
3733 'voters' => $item['question-voters'],
3734 'endtime' => $item['question-end-time']
3737 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3738 foreach ($options as $key => $option) {
3739 if ($question['voters'] > 0) {
3740 $percent = $option['replies'] / $question['voters'] * 100;
3741 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%3$d%%, %1$d vote)', '%2$s (%3$d%%, %1$d votes)', $option['replies'], $option['name'], round($percent, 1));
3743 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%1$d vote)', '%2$s (%1$d votes)', $option['replies'], $option['name']);
3747 if (!empty($question['voters']) && !empty($question['endtime'])) {
3748 $summary = DI::l10n()->tt('%d voter. Poll end: %s', '%d voters. Poll end: %s', $question['voters'], Temporal::getRelativeDate($question['endtime']));
3749 } elseif (!empty($question['voters'])) {
3750 $summary = DI::l10n()->tt('%d voter.', '%d voters.', $question['voters']);
3751 } elseif (!empty($question['endtime'])) {
3752 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3757 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3758 '$question' => $question,
3759 '$options' => $options,
3760 '$summary' => $summary,
3763 DI::profiler()->stopRecording();
3768 * get private link for item
3770 * @param array $item
3771 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3772 * @throws \Exception
3774 public static function getPlink(array $item)
3776 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3777 $plink = $item['plink'];
3778 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3779 $plink = $item['uri'];
3782 if (DI::userSession()->getLocalUserId()) {
3784 'href' => "display/" . $item['guid'],
3785 'orig' => "display/" . $item['guid'],
3786 'title' => DI::l10n()->t('View on separate page'),
3787 'orig_title' => DI::l10n()->t('View on separate page'),
3790 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3793 'id' => $item['author-id'],
3794 'network' => $item['author-network'],
3795 'url' => $item['author-link'],
3796 'alias' => $item['author-alias'],
3798 $plink = Contact::magicLinkByContact($author, $plink);
3801 if (!empty($plink)) {
3802 $ret['href'] = DI::baseUrl()->remove($plink);
3803 $ret['title'] = DI::l10n()->t('Link to source');
3805 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3809 'title' => DI::l10n()->t('Link to source'),
3810 'orig_title' => DI::l10n()->t('Link to source'),
3820 * Does the given uri-id belongs to a post that is sent as starting post to a group?
3821 * This does apply to posts that are sent via ! and not in parallel to a group via @
3823 * @param int $uri_id
3825 * @return boolean "true" when it is a group post
3827 public static function isGroupPost(int $uri_id): bool
3829 if (Post::exists(['private' => Item::PUBLIC, 'uri-id' => $uri_id])) {
3833 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION, Tag::AUDIENCE]) as $tag) {
3834 // @todo Possibly check for a public audience in the future, see https://socialhub.activitypub.rocks/t/fep-1b12-group-federation/2724
3835 // and https://codeberg.org/fediverse/fep/src/branch/main/feps/fep-1b12.md
3836 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3844 * Search item id for given URI or plink
3846 * @param string $uri
3847 * @param integer $uid
3849 * @return integer item id
3851 public static function searchByLink(string $uri, int $uid = 0): int
3853 $ssl_uri = str_replace('http://', 'https://', $uri);
3854 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3856 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3857 if (DBA::isResult($item)) {
3861 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3862 if (DBA::isResult($item)) {
3870 * Return the URI for a link to the post
3872 * @param string $uri URI or link to post
3874 * @return string URI
3876 public static function getURIByLink(string $uri): string
3878 $ssl_uri = str_replace('http://', 'https://', $uri);
3879 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3881 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3882 if (DBA::isResult($item)) {
3883 return $item['uri'];
3886 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3887 if (DBA::isResult($item)) {
3888 return $item['uri'];
3895 * Fetches item for given URI or plink
3897 * @param string $uri
3898 * @param integer $uid
3900 * @return integer item id
3902 public static function fetchByLink(string $uri, int $uid = 0): int
3904 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3905 $item_id = self::searchByLink($uri, $uid);
3906 if (!empty($item_id)) {
3907 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3917 Hook::callAll('item_by_link', $hookData);
3919 if (isset($hookData['item_id'])) {
3920 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3923 $fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri, [], '', ActivityPub\Receiver::COMPLETION_MANUAL, $uid);
3926 $item_id = self::searchByLink($fetched_uri, $uid);
3928 $item_id = Diaspora::fetchByURL($uri);
3931 if (!empty($item_id)) {
3932 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3936 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3941 * Fetch the uri-id of a quote
3943 * @param string $body
3946 public static function getQuoteUriId(string $body, int $uid = 0): int
3948 $shared = BBCode::fetchShareAttributes($body);
3949 if (empty($shared['guid']) && empty($shared['message_id'])) {
3953 if (empty($shared['link']) && empty($shared['message_id'])) {
3954 Logger::notice('Invalid share block.', ['share' => $shared]);
3958 if (!empty($shared['guid'])) {
3959 $shared_item = Post::selectFirst(['uri-id'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3960 if (!empty($shared_item['uri-id'])) {
3961 Logger::debug('Found post by guid', ['guid' => $shared['guid'], 'uid' => $uid]);
3962 return $shared_item['uri-id'];
3966 if (!empty($shared['message_id'])) {
3967 $shared_item = Post::selectFirst(['uri-id'], ['uri' => $shared['message_id'], 'uid' => [0, $uid]]);
3968 if (!empty($shared_item['uri-id'])) {
3969 Logger::debug('Found post by message_id', ['message_id' => $shared['message_id'], 'uid' => $uid]);
3970 return $shared_item['uri-id'];
3974 if (!empty($shared['link'])) {
3975 $shared_item = Post::selectFirst(['uri-id'], ['plink' => $shared['link'], 'uid' => [0, $uid]]);
3976 if (!empty($shared_item['uri-id'])) {
3977 Logger::debug('Found post by link', ['link' => $shared['link'], 'uid' => $uid]);
3978 return $shared_item['uri-id'];
3982 $url = $shared['message_id'] ?: $shared['link'];
3983 $id = self::fetchByLink($url);
3985 Logger::notice('Post could not be fetched.', ['url' => $url, 'uid' => $uid]);
3989 $shared_item = Post::selectFirst(['uri-id'], ['id' => $id]);
3990 if (!empty($shared_item['uri-id'])) {
3991 Logger::debug('Fetched shared post', ['id' => $id, 'url' => $url, 'uid' => $uid]);
3992 return $shared_item['uri-id'];
3995 Logger::warning('Post does not exist although it was supposed to had been fetched.', ['id' => $id, 'url' => $url, 'uid' => $uid]);