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\Image;
26 use Friendica\Content\Post\Collection\PostMedias;
27 use Friendica\Content\Post\Entity\PostMedia;
28 use Friendica\Content\Text\BBCode;
29 use Friendica\Content\Text\HTML;
30 use Friendica\Core\Hook;
31 use Friendica\Core\Logger;
32 use Friendica\Core\Protocol;
33 use Friendica\Core\Renderer;
34 use Friendica\Core\System;
35 use Friendica\Core\Worker;
36 use Friendica\Database\DBA;
38 use Friendica\Model\Post\Category;
39 use Friendica\Network\HTTPException\InternalServerErrorException;
40 use Friendica\Network\HTTPException\ServiceUnavailableException;
41 use Friendica\Protocol\Activity;
42 use Friendica\Protocol\ActivityPub;
43 use Friendica\Protocol\Delivery;
44 use Friendica\Protocol\Diaspora;
45 use Friendica\Util\DateTimeFormat;
46 use Friendica\Util\Map;
47 use Friendica\Util\Network;
48 use Friendica\Util\Proxy;
49 use Friendica\Util\Strings;
50 use Friendica\Util\Temporal;
51 use GuzzleHttp\Psr7\Uri;
52 use LanguageDetection\Language;
56 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
63 const PT_DOCUMENT = 19;
66 const PT_PERSONAL_NOTE = 128;
68 // Posting reasons (Why had a post been stored for a user?)
75 const PR_FOLLOWER = 69;
76 const PR_ANNOUNCEMENT = 70;
77 const PR_COMMENT = 71;
81 const PR_FETCHED = 75;
82 const PR_COMPLETION = 76;
84 const PR_ACTIVITY = 78;
85 const PR_DISTRIBUTE = 79;
88 const PR_AUDIENCE = 82;
90 // system.accept_only_sharer setting values
91 const COMPLETION_NONE = 1;
92 const COMPLETION_COMMENT = 0;
93 const COMPLETION_LIKE = 2;
95 // Field list that is used to display the items
96 const DISPLAY_FIELDLIST = [
97 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
98 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri', 'conversation',
99 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
100 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
101 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
102 'quote-uri', 'quote-uri-id', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
103 'author-id', 'author-link', 'author-alias', 'author-name', 'author-avatar', 'author-network', 'author-updated', 'author-gsid', 'author-baseurl', 'author-addr', 'author-uri-id',
104 'owner-id', 'owner-link', 'owner-alias', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type', 'owner-updated', 'owner-gsid',
105 'causer-id', 'causer-link', 'causer-alias', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network', 'causer-gsid',
106 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
107 'writable', 'self', 'cid', 'alias',
108 'event-created', 'event-edited', 'event-start', 'event-finish',
109 'event-summary', 'event-desc', 'event-location', 'event-type',
110 'event-nofinish', 'event-ignore', 'event-id',
111 'question-id', 'question-multiple', 'question-voters', 'question-end-time',
112 'has-categories', 'has-media',
113 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
116 // Field list that is used to deliver items via the protocols
117 const DELIVER_FIELDLIST = [
118 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
119 'parent-guid', 'conversation', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
120 'private', 'title', 'body', 'raw-body', 'language', 'location', 'coord', 'app',
121 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
122 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
123 'author-id', 'author-addr', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
124 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
125 'thr-parent-id', 'parent-uri-id', 'quote-uri', 'quote-uri-id', 'postopts', 'pubmail',
126 'event-created', 'event-edited', 'event-start', 'event-finish',
127 'event-summary', 'event-desc', 'event-location', 'event-type',
128 'event-nofinish', 'event-ignore', 'event-id'
131 // All fields in the item table
132 const ITEM_FIELDLIST = [
133 'id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
134 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'conversation', 'vid',
135 'quote-uri', 'quote-uri-id', 'contact-id', 'wall', 'gravity', 'extid', 'psid',
136 'created', 'edited', 'commented', 'received', 'changed', 'verb',
137 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
138 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
139 'private', 'pubmail', 'visible', 'starred',
140 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
141 'title', 'content-warning', 'body', 'language', 'location', 'coord', 'app',
142 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
143 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
144 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'
147 // List of all verbs that don't need additional content data.
148 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
150 Activity::LIKE, Activity::DISLIKE,
151 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
161 // Item weight for query ordering
162 const GRAVITY_PARENT = 0;
163 const GRAVITY_ACTIVITY = 3;
164 const GRAVITY_COMMENT = 6;
165 const GRAVITY_UNKNOWN = 9;
168 * Update existing item entries
170 * @param array $fields The fields that are to be changed
171 * @param array $condition The condition for finding the item entries
173 * In the future we may have to change permissions as well.
174 * Then we had to add the user id as third parameter.
176 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
178 * @return integer|boolean number of affected rows - or "false" if there was an error
179 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
181 public static function update(array $fields, array $condition)
183 if (empty($condition) || empty($fields)) {
187 if (isset($fields['extid'])) {
188 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
191 if (!empty($fields['verb'])) {
192 $fields['vid'] = Verb::getID($fields['verb']);
195 if (!empty($fields['edited'])) {
196 $previous = Post::selectFirst(['edited'], $condition);
199 if (!empty($fields['body'])) {
200 $fields['body'] = self::setHashtags($fields['body']);
203 $rows = Post::update($fields, $condition);
204 if (is_bool($rows)) {
208 // We only need to call the line by line update for specific fields
210 empty($fields['body']) && empty($fields['file']) &&
211 empty($fields['attach']) && empty($fields['edited'])
216 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
218 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network', 'quote-uri-id'], $condition);
222 while ($item = DBA::fetch($items)) {
223 if (!empty($fields['body'])) {
224 if (!empty($item['quote-uri-id'])) {
225 $fields['body'] = BBCode::removeSharedData($fields['body']);
227 if (!empty($fields['raw-body'])) {
228 $fields['raw-body'] = BBCode::removeSharedData($fields['raw-body']);
232 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
234 // Remove all media attachments from the body and store them in the post-media table
235 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
236 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
237 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
239 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body'], $fields['body'], $item['author-network']);
241 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
242 $content_fields['raw-body'] = BBCode::removeAttachment($content_fields['raw-body']);
244 Post\Content::update($item['uri-id'], $content_fields);
247 if (!empty($fields['file'])) {
248 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
251 if (!empty($fields['attach'])) {
252 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
255 // We only need to notify others when it is an original entry from us.
256 // Only call the notifier when the item had been edited and records had been changed.
257 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
258 $notify_items[] = $item['id'];
264 foreach ($notify_items as $notify_item) {
265 $post = Post::selectFirst([], ['id' => $notify_item]);
267 if ($post['gravity'] != self::GRAVITY_PARENT) {
268 $signed = Diaspora::createCommentSignature($post);
269 if (!empty($signed)) {
270 DBA::replace('diaspora-interaction', ['uri-id' => $post['uri-id'], 'interaction' => json_encode($signed)]);
274 Worker::add(Worker::PRIORITY_HIGH, 'Notifier', Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
281 * Delete an item and notify others about it - if it was ours
283 * @param array $condition The condition for finding the item entries
284 * @param integer $priority Priority for the notification
286 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
288 public static function markForDeletion(array $condition, int $priority = Worker::PRIORITY_HIGH)
290 $items = Post::select(['id'], $condition);
291 while ($item = Post::fetch($items)) {
292 self::markForDeletionById($item['id'], $priority);
298 * Delete an item for an user and notify others about it - if it was ours
300 * @param array $condition The condition for finding the item entries
301 * @param integer $uid User who wants to delete this item
303 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
305 public static function deleteForUser(array $condition, int $uid)
311 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
312 while ($item = Post::fetch($items)) {
313 if (in_array($item['uid'], [$uid, 0])) {
314 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
315 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
318 if ($item['uid'] == $uid) {
319 self::markForDeletionById($item['id'], Worker::PRIORITY_HIGH);
320 } elseif ($item['uid'] != 0) {
321 Logger::warning('Wrong ownership. Not deleting item', ['id' => $item['id']]);
328 * Mark an item for deletion, delete related data and notify others about it - if it was ours
330 * @param integer $item_id
331 * @param integer $priority Priority for the notification
332 * @return boolean success
333 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
335 public static function markForDeletionById(int $item_id, int $priority = Worker::PRIORITY_HIGH): bool
337 Logger::info('Mark item for deletion by id', ['id' => $item_id]);
338 // locate item to be deleted
340 'id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
341 'deleted', 'resource-id', 'event-id',
342 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'
344 $item = Post::selectFirst($fields, ['id' => $item_id]);
345 if (!DBA::isResult($item)) {
346 Logger::info('Item not found.', ['id' => $item_id]);
350 if ($item['deleted']) {
351 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
355 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
356 if (!DBA::isResult($parent)) {
357 $parent = ['origin' => false];
360 // clean up categories and tags so they don't end up as orphans
361 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
364 * If item is a link to a photo resource, nuke all the associated photos
365 * (visitors will not have photo resources)
366 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
367 * generate a resource-id and therefore aren't intimately linked to the item.
369 /// @TODO: this should first check if photo is used elsewhere
370 if ($item['resource-id']) {
371 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
374 // If item is a link to an event, delete the event.
375 if (intval($item['event-id'])) {
376 Event::delete($item['event-id']);
379 // If item has attachments, drop them
380 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
381 foreach ($attachments as $attachment) {
382 if (preg_match('|attach/(\d+)|', $attachment['url'], $matches)) {
383 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
387 // Set the item to "deleted"
388 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
389 Post::update($item_fields, ['id' => $item['id']]);
391 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
393 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
394 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
397 Post\DeliveryData::delete($item['uri-id']);
399 // If it's the parent of a comment thread, kill all the kids
400 if ($item['gravity'] == self::GRAVITY_PARENT) {
401 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
404 // Is it our comment and/or our thread?
405 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
406 // When we delete the original post we will delete all existing copies on the server as well
407 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
409 // send the notification upstream/downstream
411 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
413 } elseif ($item['uid'] != 0) {
414 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
415 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
418 DI::notify()->deleteForItem($item['uri-id']);
419 DI::notification()->deleteForItem($item['uri-id']);
421 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
427 * Get guid from given item record
429 * @param array $item Item record
430 * @param bool Whether to notify (?)
431 * @return string Guid
433 public static function guid(array $item, bool $notify): string
435 if (!empty($item['guid'])) {
436 return trim($item['guid']);
440 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
441 // We add the hash of our own host because our host is the original creator of the post.
442 $prefix_host = DI::baseUrl()->getHost();
446 // We are only storing the post so we create a GUID from the original hostname.
447 if (!empty($item['author-link'])) {
448 $parsed = parse_url($item['author-link']);
449 if (!empty($parsed['host'])) {
450 $prefix_host = $parsed['host'];
454 if (empty($prefix_host) && !empty($item['plink'])) {
455 $parsed = parse_url($item['plink']);
456 if (!empty($parsed['host'])) {
457 $prefix_host = $parsed['host'];
461 if (empty($prefix_host) && !empty($item['uri'])) {
462 $parsed = parse_url($item['uri']);
463 if (!empty($parsed['host'])) {
464 $prefix_host = $parsed['host'];
468 // Is it in the format data@host.tld? - Used for mail contacts
469 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
470 $mailparts = explode('@', $item['author-link']);
471 $prefix_host = array_pop($mailparts);
475 if (!empty($item['plink'])) {
476 $guid = self::guidFromUri($item['plink'], $prefix_host);
477 } elseif (!empty($item['uri'])) {
478 $guid = self::guidFromUri($item['uri'], $prefix_host);
480 $guid = System::createUUID(hash('crc32', $prefix_host));
487 * Returns contact id from given item record
489 * @param array $item Item record
490 * @return int Contact id
492 private static function contactId(array $item): int
494 if ($item['uid'] == 0) {
495 return $item['owner-id'];
498 if ($item['origin']) {
499 $owner = User::getOwnerDataById($item['uid']);
504 $user_contact_id = 0;
505 foreach (['group-link', 'causer-link', 'owner-link', 'author-link'] as $field) {
506 if (empty($item[$field])) {
509 if (!$user_contact_id && Contact::isSharingByURL($item[$field], $item['uid'], true)) {
510 $user_contact_id = Contact::getIdForURL($item[$field], $item['uid']);
511 } elseif (!$contact_id) {
512 $contact_id = Contact::getIdForURL($item[$field]);
516 if ($user_contact_id) {
517 return $user_contact_id;
520 if (!empty($item['causer-id']) && Contact::isSharing($item['causer-id'], $item['uid'], true)) {
521 $cdata = Contact::getPublicAndUserContactID($item['causer-id'], $item['uid']);
522 if (!empty($cdata['user'])) {
523 return $cdata['user'];
531 Logger::warning('contact-id could not be fetched, using self contact instead.', ['uid' => $item['uid'], 'item' => $item]);
532 $self = Contact::selectFirst(['id'], ['self' => true, 'uid' => $item['uid']]);
537 * Write an item array into a spool file to be inserted later.
538 * This command is called whenever there are issues storing an item.
540 * @param array $item The item fields that are to be inserted
543 private static function spool(array $item)
545 // Now we store the data in the spool directory
546 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
547 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
549 $spoolpath = System::getSpoolPath();
550 if ($spoolpath != '') {
551 $spool = $spoolpath . '/' . $file;
553 file_put_contents($spool, json_encode($item));
554 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
559 * Check if the item array is a duplicate
561 * @param array $item Item record
562 * @return boolean is it a duplicate?
564 private static function isDuplicate(array $item): bool
566 // Checking if there is already an item with the same guid
567 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
568 if (Post::exists($condition)) {
569 Logger::notice('Found already existing item', $condition);
574 'uri-id' => $item['uri-id'], 'uid' => $item['uid'],
575 'network' => [$item['network'], Protocol::DFRN]
577 if (Post::exists($condition)) {
578 Logger::notice('duplicated item with the same uri found.', $condition);
582 // On Friendica and Diaspora the GUID is unique
583 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
584 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
585 if (Post::exists($condition)) {
586 Logger::notice('duplicated item with the same guid found.', $condition);
589 } elseif ($item['network'] == Protocol::OSTATUS) {
590 // Check for an existing post with the same content. There seems to be a problem with OStatus.
592 "`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
593 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']
595 if (Post::exists($condition)) {
596 Logger::notice('duplicated item with the same body found.', $item);
602 * Check for already added items.
603 * There is a timing issue here that sometimes creates double postings.
604 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
606 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
607 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
615 * Check if the item array is valid
617 * @param array $item Item record
618 * @return boolean item is valid
620 public static function isValid(array $item): bool
622 // When there is no content then we don't post it
623 if (($item['body'] . $item['title'] == '') && empty($item['quote-uri-id']) && empty($item['attachments']) && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
624 Logger::notice('No body, no title.');
628 if (!empty($item['uid'])) {
629 $owner = User::getOwnerDataById($item['uid'], false);
631 Logger::warning('Missing item user owner data', ['uid' => $item['uid']]);
635 if ($owner['account_expired'] || $owner['account_removed']) {
636 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
641 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
642 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
646 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
647 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
651 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
652 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
656 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
657 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
661 if ($item['verb'] == Activity::FOLLOW) {
662 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
663 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
664 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
669 'verb' => Activity::FOLLOW, 'uid' => $item['uid'],
670 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']
672 if (Post::exists($condition)) {
673 // It happens that we receive multiple follow requests by the same author - we only store one.
674 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
683 * Check if the item array is too old
685 * @param array $item Item record
686 * @return boolean item is too old
688 public static function isTooOld(array $item): bool
690 // check for create date and expire time
691 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
693 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
694 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
695 $expire_interval = $user['expire'];
698 if (($expire_interval > 0) && !empty($item['created'])) {
699 $expire_date = time() - ($expire_interval * 86400);
700 $created_date = strtotime($item['created']);
701 if ($created_date < $expire_date) {
702 Logger::notice('Item created before expiration interval.', [
703 'created' => date('c', $created_date),
704 'expired' => date('c', $expire_date),
715 * Return the id of the given item array if it has been stored before
717 * @param array $item Item record
718 * @return integer Item id or zero on error
720 private static function getDuplicateID(array $item): int
722 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
724 '`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)',
727 Protocol::ACTIVITYPUB,
732 $existing = Post::selectFirst(['id', 'network'], $condition);
733 if (DBA::isResult($existing)) {
734 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
735 if ($item['uid'] != 0) {
736 Logger::notice('Item already existed for user', [
737 'uri-id' => $item['uri-id'],
738 'uid' => $item['uid'],
739 'network' => $item['network'],
740 'existing_id' => $existing['id'],
741 'existing_network' => $existing['network']
745 return $existing['id'];
752 * Fetch the uri-id of the parent for the given uri-id
754 * @param integer $uriid
757 public static function getParent(int $uriid): int
759 $thread_parent = Post::selectFirstPost(['thr-parent-id', 'gravity'], ['uri-id' => $uriid]);
760 if (empty($thread_parent)) {
764 if ($thread_parent['gravity'] == Item::GRAVITY_PARENT) {
768 return self::getParent($thread_parent['thr-parent-id']);
772 * Fetch top-level parent data for the given item array
775 * @return array item array with parent data
778 private static function getTopLevelParent(array $item): array
781 'uid', 'uri', 'parent-uri', 'id', 'deleted',
782 'uri-id', 'parent-uri-id',
783 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
784 'wall', 'private', 'origin', 'author-id'
786 $condition = ['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => $item['uid']];
787 $params = ['order' => ['id' => false]];
788 $parent = Post::selectFirst($fields, $condition, $params);
790 if (!DBA::isResult($parent) && Post::exists(['uri-id' => [$item['thr-parent-id'], $item['parent-uri-id']], 'uid' => 0])) {
791 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
792 if (!$stored && ($item['thr-parent-id'] != $item['parent-uri-id'])) {
793 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
796 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
797 $parent = Post::selectFirst($fields, $condition, $params);
801 if (!DBA::isResult($parent)) {
802 Logger::notice('item parent was not found - ignoring item', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
806 if ($parent['uri-id'] == $parent['parent-uri-id']) {
811 'uri-id' => $parent['parent-uri-id'],
812 'parent-uri-id' => $parent['parent-uri-id'],
813 'uid' => $parent['uid']
815 $params = ['order' => ['id' => false]];
816 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
818 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
819 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid'], ['post-reason' => Item::PR_COMPLETION]);
820 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
821 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
824 if (!DBA::isResult($toplevel_parent)) {
825 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
829 return $toplevel_parent;
833 * Get the gravity for the given item array
836 * @return integer gravity
838 private static function getGravity(array $item): int
840 $activity = DI::activity();
842 if (isset($item['gravity'])) {
843 return intval($item['gravity']);
844 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
845 return self::GRAVITY_PARENT;
846 } elseif ($activity->match($item['verb'], Activity::POST)) {
847 return self::GRAVITY_COMMENT;
848 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
849 return self::GRAVITY_ACTIVITY;
850 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
851 return self::GRAVITY_ACTIVITY;
854 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
855 return self::GRAVITY_UNKNOWN; // Should not happen
858 private static function prepareOriginPost(array $item): array
860 $item = DI::contentItem()->initializePost($item);
861 $item = DI::contentItem()->finalizePost($item);
867 * Inserts item record
869 * @param array $item Item array to be inserted
870 * @param int $notify Notification (type?)
871 * @param bool $post_local (???)
872 * @return int Zero means error, otherwise primary key (id) is being returned
874 public static function insert(array $item, int $notify = 0, bool $post_local = true): int
878 $priority = Worker::PRIORITY_HIGH;
880 // If it is a posting where users should get notifications, then define it as wall posting
882 $item = self::prepareOriginPost($item);
884 if (is_int($notify) && in_array($notify, Worker::PRIORITIES)) {
888 // Mastodon style API visibility
889 $copy_permissions = ($item['visibility'] ?? 'private') == 'private';
890 unset($item['visibility']);
892 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
895 $uid = intval($item['uid']);
897 $item['guid'] = self::guid($item, $notify);
898 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['guid']), 0, 255);
901 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
903 // Backward compatibility: parent-uri used to be the direct parent uri.
904 // If it is provided without a thr-parent, it probably is the old behavior.
905 if (empty($item['thr-parent']) || empty($item['parent-uri'])) {
906 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
907 $item['parent-uri'] = $item['thr-parent'];
910 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
911 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
913 // Store conversation data
914 $source = $item['source'] ?? '';
915 unset($item['conversation-uri']);
916 unset($item['conversation-href']);
917 unset($item['source']);
920 * Do we already have this item?
921 * We have to check several networks since Friendica posts could be repeated
922 * via OStatus (maybe Diaspora as well)
924 $duplicate = self::getDuplicateID($item);
929 // Additional duplicate checks
930 /// @todo Check why the first duplication check returns the item number and the second a 0
931 if (self::isDuplicate($item)) {
935 if (!isset($item['post-type'])) {
936 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
939 $defined_permissions = isset($item['allow_cid']) && isset($item['allow_gid']) && isset($item['deny_cid']) && isset($item['deny_gid']) && isset($item['private']);
941 $item['wall'] = intval($item['wall'] ?? 0);
942 $item['extid'] = trim($item['extid'] ?? '');
943 $item['author-name'] = trim($item['author-name'] ?? '');
944 $item['author-link'] = trim($item['author-link'] ?? '');
945 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
946 $item['owner-name'] = trim($item['owner-name'] ?? '');
947 $item['owner-link'] = trim($item['owner-link'] ?? '');
948 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
949 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
950 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
951 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
952 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
953 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
954 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
955 $item['location'] = trim($item['location'] ?? '');
956 $item['coord'] = trim($item['coord'] ?? '');
957 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
958 $item['deleted'] = 0;
959 $item['verb'] = trim($item['verb'] ?? '');
960 $item['object-type'] = trim($item['object-type'] ?? '');
961 $item['object'] = trim($item['object'] ?? '');
962 $item['target-type'] = trim($item['target-type'] ?? '');
963 $item['target'] = trim($item['target'] ?? '');
964 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
965 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
966 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
967 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
968 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
969 $item['private'] = intval($item['private'] ?? self::PUBLIC);
970 $item['body'] = trim($item['body'] ?? '');
971 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
972 $item['app'] = trim($item['app'] ?? '');
973 $item['origin'] = intval($item['origin'] ?? 0);
974 $item['postopts'] = trim($item['postopts'] ?? '');
975 $item['resource-id'] = trim($item['resource-id'] ?? '');
976 $item['event-id'] = intval($item['event-id'] ?? 0);
977 $item['inform'] = trim($item['inform'] ?? '');
978 $item['file'] = trim($item['file'] ?? '');
980 // Communities aren't working with the Diaspora protocol
981 if (($uid != 0) && ($item['network'] == Protocol::DIASPORA)) {
982 $user = User::getById($uid, ['account-type']);
983 if ($user['account-type'] == Contact::TYPE_COMMUNITY) {
984 Logger::info('Community posts are not supported via Diaspora');
989 // Items cannot be stored before they happen ...
990 if ($item['created'] > DateTimeFormat::utcNow()) {
991 $item['created'] = DateTimeFormat::utcNow();
994 // We haven't invented time travel by now.
995 if ($item['edited'] > DateTimeFormat::utcNow()) {
996 $item['edited'] = DateTimeFormat::utcNow();
999 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1001 $item['gravity'] = self::getGravity($item);
1004 'url' => $item['author-link'], 'name' => $item['author-name'],
1005 'photo' => $item['author-avatar'], 'network' => $item['network']
1007 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1010 'url' => $item['owner-link'], 'name' => $item['owner-name'],
1011 'photo' => $item['owner-avatar'], 'network' => $item['network']
1013 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1015 $item['post-reason'] = self::getPostReason($item);
1017 // Ensure that there is an avatar cache
1018 Contact::checkAvatarCache($item['author-id']);
1019 Contact::checkAvatarCache($item['owner-id']);
1021 $item['contact-id'] = self::contactId($item);
1024 !empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
1025 empty($item['origin']) && self::isTooOld($item)
1027 Logger::info('Item is too old', ['item' => $item]);
1031 if (!self::isValid($item)) {
1035 if ($item['gravity'] !== self::GRAVITY_PARENT) {
1036 $toplevel_parent = self::getTopLevelParent($item);
1037 if (empty($toplevel_parent)) {
1041 $parent_id = $toplevel_parent['id'];
1042 $item['parent-uri'] = $toplevel_parent['uri'];
1043 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
1044 $item['deleted'] = $toplevel_parent['deleted'];
1045 $item['wall'] = $toplevel_parent['wall'];
1047 // Reshares have to keep their permissions to allow groups to work
1048 if (!$defined_permissions && (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE))) {
1049 // Don't store the permissions on pure AP posts
1050 $store_permissions = ($item['network'] != Protocol::ACTIVITYPUB) || $item['origin'] || !empty($item['diaspora_signed_text']);
1051 $item['allow_cid'] = $store_permissions ? $toplevel_parent['allow_cid'] : '';
1052 $item['allow_gid'] = $store_permissions ? $toplevel_parent['allow_gid'] : '';
1053 $item['deny_cid'] = $store_permissions ? $toplevel_parent['deny_cid'] : '';
1054 $item['deny_gid'] = $store_permissions ? $toplevel_parent['deny_gid'] : '';
1057 $parent_origin = $toplevel_parent['origin'];
1059 // Don't federate received participation messages
1060 if ($item['verb'] != Activity::FOLLOW) {
1061 $item['wall'] = $toplevel_parent['wall'];
1063 $item['wall'] = false;
1064 // Participations are technical messages, so they are set to "seen" automatically
1065 $item['unseen'] = false;
1069 * If the parent is private, force privacy for the entire conversation
1070 * This differs from the above settings as it subtly allows comments from
1071 * email correspondents to be private even if the overall thread is not.
1073 if (!$defined_permissions && $toplevel_parent['private']) {
1074 $item['private'] = $toplevel_parent['private'];
1077 // If its a post that originated here then tag the thread as "mention"
1078 if ($item['origin'] && $item['uid']) {
1079 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1080 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1083 // Update the contact relations
1084 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1087 $parent_origin = $item['origin'];
1089 if ($item['wall'] && empty($item['conversation'])) {
1090 $item['conversation'] = $item['parent-uri'] . '#context';
1094 if ($item['origin']) {
1096 Photo::setPermissionFromBody($item['body'], $item['uid'], $item['contact-id'], $item['allow_cid'], $item['allow_gid'], $item['deny_cid'], $item['deny_gid'])
1097 && ($item['object-type'] != Activity\ObjectType::EVENT)
1099 $item['object-type'] = Activity\ObjectType::IMAGE;
1102 $item = DI::contentItem()->moveAttachmentsFromBodyToAttach($item);
1105 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1106 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1108 if (!empty($item['conversation']) && empty($item['conversation-id'])) {
1109 $item['conversation-id'] = ItemURI::getIdByURI($item['conversation']);
1112 // Is this item available in the global items (with uid=0)?
1113 if ($item['uid'] == 0) {
1114 $item['global'] = true;
1116 // Set the global flag on all items if this was a global item entry
1117 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
1119 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
1123 if (!$defined_permissions && !empty($item['allow_cid'] . $item['allow_gid'] . $item['deny_cid'] . $item['deny_gid'])) {
1124 $item['private'] = self::PRIVATE;
1127 if ($notify && $post_local) {
1128 $item['edit'] = false;
1129 $item['parent'] = $parent_id;
1131 // Trigger automatic reactions for addons
1132 if (!isset($item['api_source'])) {
1133 $item['api_source'] = true;
1136 // We have to tell the hooks who we are - this really should be improved
1137 if (!DI::userSession()->getLocalUserId()) {
1138 $_SESSION['authenticated'] = true;
1139 $_SESSION['uid'] = $uid;
1140 $dummy_session = true;
1142 $dummy_session = false;
1145 Hook::callAll('post_local', $item);
1147 if ($dummy_session) {
1148 unset($_SESSION['authenticated']);
1149 unset($_SESSION['uid']);
1151 } elseif (!$notify) {
1152 Hook::callAll('post_remote', $item);
1155 if (!empty($item['cancel'])) {
1156 Logger::notice('post cancelled by addon.');
1160 if (empty($item['vid']) && !empty($item['verb'])) {
1161 $item['vid'] = Verb::getID($item['verb']);
1164 // Creates or assigns the permission set
1165 $item['psid'] = DI::permissionSet()->selectOrCreate(
1166 DI::permissionSetFactory()->createFromString(
1175 if (!empty($item['extid'])) {
1176 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
1179 if ($item['verb'] == Activity::ANNOUNCE) {
1180 self::setOwnerforResharedItem($item);
1183 if (isset($item['attachments'])) {
1184 foreach ($item['attachments'] as $attachment) {
1185 $attachment['uri-id'] = $item['uri-id'];
1186 Post\Media::insert($attachment);
1188 unset($item['attachments']);
1191 if (empty($item['quote-uri-id'])) {
1192 $quote_id = self::getQuoteUriId($item['body']);
1193 if (!empty($quote_id)) {
1194 // This is one of these "should not happen" situations.
1195 // The protocol implementations should already have done this job.
1196 Logger::notice('Quote-uri-id detected in post', ['id' => $quote_id, 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1197 $item['quote-uri-id'] = $quote_id;
1201 if (!empty($item['quote-uri-id']) && ($item['quote-uri-id'] == $item['uri-id'])) {
1202 Logger::info('Quote-Uri-Id is identical to Uri-Id', ['uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1203 unset($item['quote-uri-id']);
1206 if (!empty($item['quote-uri-id'])) {
1207 $item['raw-body'] = BBCode::removeSharedData($item['raw-body']);
1208 $item['body'] = BBCode::removeSharedData($item['body']);
1211 // Remove all media attachments from the body and store them in the post-media table
1212 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1213 $item['raw-body'] = self::setHashtags($item['raw-body']);
1215 $author = Contact::getById($item['author-id'], ['network']);
1216 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body'], $item['body'], $author['network'] ?? '');
1218 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1219 $item['body'] = BBCode::removeAttachment($item['body']);
1220 $item['raw-body'] = BBCode::removeAttachment($item['raw-body']);
1222 // Check for hashtags in the body and repair or add hashtag links
1223 $item['body'] = self::setHashtags($item['body']);
1225 $notify_type = Delivery::POST;
1227 // Filling item related side tables
1228 if (!empty($item['attach'])) {
1229 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1232 if (empty($item['event-id'])) {
1233 unset($item['event-id']);
1235 $ev = Event::fromBBCode($item['body']);
1236 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1237 Logger::info('Event found.');
1238 $ev['cid'] = $item['contact-id'];
1239 $ev['uid'] = $item['uid'];
1240 $ev['uri'] = $item['uri'];
1241 $ev['edited'] = $item['edited'];
1242 $ev['private'] = $item['private'];
1243 $ev['guid'] = $item['guid'];
1244 $ev['plink'] = $item['plink'];
1245 $ev['network'] = $item['network'];
1246 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1247 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1248 $ev['source'] = $item['source'] ?? '';
1250 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1251 if (DBA::isResult($event)) {
1252 $ev['id'] = $event['id'];
1255 $event_id = Event::store($ev);
1256 $item = Event::getItemArrayForImportedId($event_id, $item);
1258 Logger::info('Event was stored', ['id' => $event_id]);
1262 if (empty($item['causer-id'])) {
1263 unset($item['causer-id']);
1266 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1267 $content_warning = BBCode::getAbstract($item['body'], Protocol::ACTIVITYPUB);
1268 if (!empty($content_warning) && empty($item['content-warning'])) {
1269 $item['content-warning'] = BBCode::toPlaintext($content_warning);
1273 $item['language'] = self::getLanguage($item);
1275 $inserted = Post::insert($item['uri-id'], $item);
1277 if ($item['gravity'] == self::GRAVITY_PARENT) {
1278 Post\Thread::insert($item['uri-id'], $item);
1281 // The content of activities normally doesn't matter - except for likes from Misskey
1282 if (!in_array($item['verb'], self::ACTIVITIES) || in_array($item['verb'], [Activity::LIKE, Activity::DISLIKE]) && !empty($item['body']) && (mb_strlen($item['body']) == 1)) {
1283 Post\Content::insert($item['uri-id'], $item);
1286 $item['parent'] = $parent_id;
1288 // Create Diaspora signature
1289 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != self::GRAVITY_PARENT)) {
1290 $signed = Diaspora::createCommentSignature($item);
1291 if (!empty($signed)) {
1292 $item['diaspora_signed_text'] = json_encode($signed);
1296 if (!empty($item['diaspora_signed_text'])) {
1297 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1300 // Attached file links
1301 if (!empty($item['file'])) {
1302 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1305 // Delivery relevant data
1306 $delivery_data = Post\DeliveryData::extractFields($item);
1308 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1309 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1312 // Store tags from the body if this hadn't been handled previously in the protocol classes
1313 if (!Tag::existsForPost($item['uri-id'])) {
1314 Tag::storeFromBody($item['uri-id'], $item['body']);
1317 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1318 if (Post::exists($condition)) {
1319 Logger::notice('Item is already inserted - aborting', $condition);
1323 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1324 if (!$post_user_id) {
1325 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1329 if ($item['gravity'] == self::GRAVITY_PARENT) {
1330 $item['post-user-id'] = $post_user_id;
1331 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1334 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1336 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1337 if (!DBA::isResult($posted_item)) {
1338 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1339 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1340 self::spool($orig_item);
1344 // update the commented timestamp on the parent
1345 if (DI::config()->get('system', 'like_no_comment')) {
1346 // Update when it is a comment
1347 $update_commented = in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]);
1349 // Update when it isn't a follow or tag verb
1350 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1353 if ($update_commented) {
1354 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1356 $fields = ['changed' => DateTimeFormat::utcNow()];
1359 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1361 // In that function we check if this is a group post. Additionally we delete the item under certain circumstances
1362 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1363 // Get the user information for the logging
1364 $user = User::getById($uid);
1366 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1371 DI::contentItem()->postProcessPost($posted_item);
1372 if ($copy_permissions && ($posted_item['thr-parent-id'] != $posted_item['uri-id']) && ($posted_item['private'] == self::PRIVATE)) {
1373 DI::contentItem()->copyPermissions($posted_item['thr-parent-id'], $posted_item['uri-id'], $posted_item['parent-uri-id']);
1376 Hook::callAll('post_remote_end', $posted_item);
1379 if ($posted_item['gravity'] === self::GRAVITY_PARENT) {
1380 self::addShadow($post_user_id);
1382 self::addShadowPost($post_user_id);
1385 self::updateContact($posted_item);
1387 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1389 // Distribute items to users who subscribed to their tags
1390 self::distributeByTags($posted_item);
1392 // Automatically reshare the item if the "remote_self" option is selected
1393 self::autoReshare($posted_item);
1395 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1398 if ($posted_item['uid'] && Contact\User::isBlocked($posted_item['author-id'], $posted_item['uid'])) {
1399 Logger::info('Message from blocked author will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['author-id']]);
1402 if ($transmit && $posted_item['uid'] && Contact\User::isBlocked($posted_item['owner-id'], $posted_item['uid'])) {
1403 Logger::info('Message from blocked owner will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['owner-id']]);
1406 if ($transmit && !empty($posted_item['causer-id']) && $posted_item['uid'] && Contact\User::isBlocked($posted_item['causer-id'], $posted_item['uid'])) {
1407 Logger::info('Message from blocked causer will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'cid' => $posted_item['causer-id']]);
1411 // Don't relay participation messages
1412 if (($posted_item['verb'] == Activity::FOLLOW) &&
1413 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))
1415 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1420 if (!empty($source) && ($transmit || DI::config()->get('debug', 'store_source'))) {
1421 Post\Activity::insert($posted_item['uri-id'], $source);
1425 ActivityPub\Transmitter::storeReceiversForItem($posted_item);
1427 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1430 // Fill the cache with the rendered content.
1431 if (in_array($posted_item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1432 self::updateDisplayCache($posted_item['uri-id']);
1435 if (in_array($posted_item['gravity'], [self::GRAVITY_ACTIVITY, self::GRAVITY_COMMENT]) && ($posted_item['uid'] == 0)) {
1436 Post\Counts::update($posted_item['thr-parent-id'], $posted_item['parent-uri-id'], $posted_item['vid'], $posted_item['verb'], $posted_item['body']);
1440 Post\Engagement::storeFromItem($posted_item);
1443 return $post_user_id;
1447 * Fetch the post reason for a given item array
1449 * @param array $item
1453 public static function getPostReason(array $item): int
1455 $actor = ($item['gravity'] == self::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1456 if (empty($item['origin']) && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1457 return self::PR_FOLLOWER;
1460 if (!empty($item['origin']) && empty($item['post-reason'])) {
1461 return self::PR_LOCAL;
1464 return $item['post-reason'] ?? self::PR_NONE;
1468 * Update the display cache
1470 * @param integer $uri_id
1472 * @throws InternalServerErrorException
1473 * @throws \ImagickException
1475 public static function updateDisplayCache(int $uri_id)
1477 $item = Post::selectFirst(self::DISPLAY_FIELDLIST, ['uri-id' => $uri_id]);
1482 self::prepareBody($item, false, false, true);
1486 * Change the owner of a parent item if it had been shared by a group
1488 * (public) group posts in the new format consist of the regular post by the author
1489 * followed by an announce message sent from the group account.
1490 * Changing the owner helps in grouping group posts.
1492 * @param array $item
1495 private static function setOwnerforResharedItem(array $item)
1497 if ($item['uid'] == 0) {
1501 $parent = Post::selectFirst(
1502 ['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1503 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]
1505 if (!DBA::isResult($parent)) {
1506 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1510 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1511 if (!DBA::isResult($author)) {
1512 Logger::error('Author not found', ['id' => $item['author-id']]);
1516 $self_contact = Contact::selectFirst(['id'], ['uid' => $item['uid'], 'self' => true]);
1517 $self = !empty($self_contact) ? $self_contact['id'] : 0;
1519 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1520 if (empty($cid) || (!Contact::isSharing($cid, $item['uid']) && ($cid != $self))) {
1521 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1525 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1526 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1527 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1531 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1532 Logger::info('The resharer is no group: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1537 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1538 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1542 * Distribute the given item to users who subscribed to their tags
1544 * @param array $item Processed item
1546 private static function distributeByTags(array $item)
1548 if (($item['uid'] != 0) || ($item['gravity'] != self::GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1552 $languages = $item['language'] ? array_keys(json_decode($item['language'], true)) : [];
1554 foreach (Tag::getUIDListByURIId($item['uri-id']) as $uid => $tags) {
1555 if (!empty($languages)) {
1557 $user_languages = User::getWantedLanguages($uid);
1558 foreach ($user_languages as $language) {
1559 if (in_array($language, $languages)) {
1564 Logger::debug('Wanted languages found', ['uid' => $uid, 'user-languages' => $user_languages, 'item-languages' => $languages]);
1566 Logger::debug('No wanted languages found', ['uid' => $uid, 'user-languages' => $user_languages, 'item-languages' => $languages]);
1571 $stored = self::storeForUserByUriId($item['uri-id'], $uid, ['post-reason' => self::PR_TAG]);
1572 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1573 foreach ($tags as $tag) {
1574 $stored = Category::storeFileByURIId($item['uri-id'], $uid, Category::SUBCRIPTION, $tag);
1575 Logger::debug('Stored tag subscription for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, $tag, 'stored' => $stored]);
1581 * Distributes public items to the receivers
1583 * @param integer $itemid Item ID that should be added
1584 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1585 * @throws \Exception
1587 public static function distribute(int $itemid, string $signed_text = '')
1589 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1590 $parent = Post::selectFirst(['owner-id'], $condition);
1591 if (!DBA::isResult($parent)) {
1592 Logger::warning('Item not found', ['condition' => $condition]);
1596 // Only distribute public items from native networks
1598 'id' => $itemid, 'uid' => 0,
1599 'network' => array_merge(Protocol::FEDERATED, ['']),
1600 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]
1602 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), $condition);
1603 if (!DBA::isResult($item)) {
1604 Logger::warning('Item not found', ['condition' => $condition]);
1608 $origin = $item['origin'];
1612 /// @todo add a field "pcid" in the contact table that refers to the public contact id.
1613 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1614 if (!DBA::isResult($owner)) {
1618 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1619 $contacts = DBA::select('contact', ['uid'], $condition);
1620 while ($contact = DBA::fetch($contacts)) {
1621 if ($contact['uid'] == 0) {
1625 $users[$contact['uid']] = $contact['uid'];
1627 DBA::close($contacts);
1629 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1630 $contacts = DBA::select('contact', ['uid'], $condition);
1631 while ($contact = DBA::fetch($contacts)) {
1632 if ($contact['uid'] == 0) {
1636 $users[$contact['uid']] = $contact['uid'];
1638 DBA::close($contacts);
1640 if (!empty($owner['alias'])) {
1641 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1642 $contacts = DBA::select('contact', ['uid'], $condition);
1643 while ($contact = DBA::fetch($contacts)) {
1644 if ($contact['uid'] == 0) {
1648 $users[$contact['uid']] = $contact['uid'];
1650 DBA::close($contacts);
1655 if ($item['uri-id'] != $item['parent-uri-id']) {
1656 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1657 while ($parent = Post::fetch($parents)) {
1658 $users[$parent['uid']] = $parent['uid'];
1659 if ($parent['origin'] && !$origin) {
1660 $origin_uid = $parent['uid'];
1663 DBA::close($parents);
1666 foreach ($users as $uid) {
1667 if ($origin_uid == $uid) {
1668 $item['diaspora_signed_text'] = $signed_text;
1670 $item['post-reason'] = self::PR_DISTRIBUTE;
1671 self::storeForUser($item, $uid);
1676 * Store a public item defined by their URI-ID for the given users
1678 * @param integer $uri_id URI-ID of the given item
1679 * @param integer $uid The user that will receive the item entry
1680 * @param array $fields Additional fields to be stored
1681 * @param integer $source_uid User id of the source post
1682 * @return integer stored item id
1684 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0): int
1686 if ($uid == $source_uid) {
1687 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1691 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['uri-id' => $uri_id, 'uid' => $source_uid]);
1692 if (!DBA::isResult($item)) {
1693 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1697 if (($uid != 0) && ($item['gravity'] == self::GRAVITY_PARENT)) {
1698 $owner = User::getOwnerDataById($uid);
1699 if (($owner['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY) && !Tag::isMentioned($uri_id, $owner['url'])) {
1700 Logger::info('Target user is a group but is not mentioned here, thread will not be stored', ['uid' => $uid, 'uri-id' => $uri_id]);
1705 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1706 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']]);
1710 $item['post-reason'] = self::PR_STORED;
1712 $item = array_merge($item, $fields);
1714 if (($uid != 0) && Contact::isSharing(($item['gravity'] == Item::GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'], $uid)) {
1715 $item['post-reason'] = self::PR_FOLLOWER;
1718 $is_reshare = ($item['gravity'] == self::GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1720 if (($uid != 0) && (($item['gravity'] == self::GRAVITY_PARENT) || $is_reshare) &&
1721 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') == self::COMPLETION_NONE &&
1722 !in_array($item['post-reason'], [self::PR_FOLLOWER, self::PR_TAG, self::PR_TO, self::PR_CC, self::PR_ACTIVITY, self::PR_AUDIENCE])
1724 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']]);
1728 $causer = $item['causer-id'] ?: $item['author-id'];
1730 if (($uri_id != $item['parent-uri-id']) && ($item['gravity'] == self::GRAVITY_COMMENT) && !Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
1731 if (!self::fetchParent($item['parent-uri-id'], $uid, $causer)) {
1732 Logger::info('Parent post had not been added', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1735 Logger::info('Fetched parent post', ['uri-id' => $item['parent-uri-id'], 'uid' => $uid, 'causer' => $causer]);
1736 } elseif (($uri_id != $item['thr-parent-id']) && $is_reshare && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1737 if (!self::fetchParent($item['thr-parent-id'], $uid, $causer)) {
1738 Logger::info('Thread parent had not been added', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1741 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer]);
1744 $stored = self::storeForUser($item, $uid);
1745 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'causer' => $causer, 'source-uid' => $source_uid, 'stored' => $stored]);
1750 * Fetch the parent with the given uri-id
1752 * @param integer $uri_id
1753 * @param integer $uid
1754 * @param integer $causer
1758 private static function fetchParent(int $uri_id, int $uid, int $causer): int
1760 // Fetch the origin user for the post
1761 $origin_uid = self::GetOriginUidForUriId($uri_id, $uid);
1762 if (is_null($origin_uid)) {
1763 Logger::info('Origin item was not found', ['uid' => $uid, 'uri-id' => $uri_id]);
1767 return self::storeForUserByUriId($uri_id, $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED], $origin_uid);
1771 * Returns the origin uid of a post if the given user is allowed to see it.
1777 private static function GetOriginUidForUriId(int $uriid, int $uid)
1779 if (Post::exists(['uri-id' => $uriid, 'uid' => $uid])) {
1783 $post = Post::selectFirst(['uid', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private'], ['uri-id' => $uriid, 'origin' => true]);
1784 if (!empty($post)) {
1785 if (in_array($post['private'], [Item::PUBLIC, Item::UNLISTED])) {
1786 return $post['uid'];
1789 $pcid = Contact::getPublicIdByUserId($uid);
1794 foreach (Item::enumeratePermissions($post, true) as $receiver) {
1795 if ($receiver == $pcid) {
1796 return $post['uid'];
1803 if (Post::exists(['uri-id' => $uriid, 'uid' => 0])) {
1807 // When the post belongs to a a group then all group users are allowed to access it
1808 foreach (Tag::getByURIId($uriid, [Tag::MENTION, Tag::EXCLUSIVE_MENTION]) as $tag) {
1809 if (DBA::exists('contact', ['uid' => $uid, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
1810 $target_uid = User::getIdForURL($tag['url']);
1811 if (!empty($target_uid)) {
1821 * Store a public item array for the given users
1823 * @param array $item The item entry that will be stored
1824 * @param integer $uid The user that will receive the item entry
1825 * @return integer stored item id
1826 * @throws \Exception
1828 private static function storeForUser(array $item, int $uid): int
1830 $post = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1831 if (!empty($post['id'])) {
1832 if (!empty($item['event-id'])) {
1833 $event_post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1834 if (!empty($event_post['event-id'])) {
1835 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish'], ['id' => $item['event-id']]);
1836 if (!empty($event)) {
1837 // We aren't using "Event::store" here, since we don't want to trigger any further action
1838 $ret = DBA::update('event', $event, ['id' => $event_post['event-id']]);
1839 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $event_post['event-id'], 'ret' => $ret]);
1843 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'id' => $post['id']]);
1847 // Data from the "post-user" table
1849 unset($item['mention']);
1850 unset($item['starred']);
1851 unset($item['unseen']);
1852 unset($item['psid']);
1853 unset($item['pinned']);
1854 unset($item['ignored']);
1855 unset($item['pubmail']);
1856 unset($item['event-id']);
1857 unset($item['hidden']);
1858 unset($item['notification-type']);
1860 // Data from the "post-delivery-data" table
1861 unset($item['postopts']);
1862 unset($item['inform']);
1864 $item['uid'] = $uid;
1865 $item['origin'] = 0;
1869 if ($item['gravity'] == self::GRAVITY_PARENT) {
1870 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1871 if (DBA::isResult($contact)) {
1872 $notify = self::isRemoteSelf($contact, $item);
1873 $item['wall'] = (bool)$notify;
1877 $item['contact-id'] = self::contactId($item);
1878 $distributed = self::insert($item, $notify);
1880 if (!$distributed) {
1881 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1883 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1885 return $distributed;
1889 * Add a shadow entry for a given item id that is a thread starter
1891 * We store every public item entry additionally with the user id "0".
1892 * This is used for the community page and for the search.
1893 * It is planned that in the future we will store public item entries only once.
1895 * @param integer $itemid Item ID that should be added
1896 * @throws \Exception
1898 private static function addShadow(int $itemid)
1900 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1901 $condition = ['id' => $itemid, 'gravity' => self::GRAVITY_PARENT];
1902 $item = Post::selectFirst($fields, $condition);
1904 if (!DBA::isResult($item)) {
1908 // is it already a copy?
1909 if (($itemid == 0) || ($item['uid'] == 0)) {
1913 // Is it a visible public post?
1914 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1918 // is it an entry from a connector? Only add an entry for natively connected networks
1919 if (!in_array($item["network"], array_merge(Protocol::FEDERATED, ['']))) {
1923 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1927 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1929 if (DBA::isResult($item)) {
1930 // Preparing public shadow (removing user specific data)
1933 unset($item['parent']);
1934 unset($item['wall']);
1935 unset($item['mention']);
1936 unset($item['origin']);
1937 unset($item['starred']);
1938 unset($item['postopts']);
1939 unset($item['inform']);
1940 unset($item['post-reason']);
1941 if ($item['uri-id'] == $item['parent-uri-id']) {
1942 $item['contact-id'] = $item['owner-id'];
1944 $item['contact-id'] = $item['author-id'];
1947 $public_shadow = self::insert($item);
1949 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1954 * Add a shadow entry for a given item id that is a comment
1956 * This function does the same like the function above - but for comments
1958 * @param integer $itemid Item ID that should be added
1959 * @throws \Exception
1961 private static function addShadowPost(int $itemid)
1963 $item = Post::selectFirst(array_merge(self::ITEM_FIELDLIST, ['protocol']), ['id' => $itemid]);
1964 if (!DBA::isResult($item)) {
1968 // Is it a toplevel post?
1969 if ($item['gravity'] == self::GRAVITY_PARENT) {
1970 self::addShadow($itemid);
1974 // Is this a shadow entry?
1975 if ($item['uid'] == 0) {
1979 // Is there a shadow parent?
1980 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1984 // Is there already a shadow entry?
1985 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1989 // Save "origin" and "parent" state
1990 $origin = $item['origin'];
1991 $parent = $item['parent'];
1993 // Preparing public shadow (removing user specific data)
1996 unset($item['parent']);
1997 unset($item['wall']);
1998 unset($item['mention']);
1999 unset($item['origin']);
2000 unset($item['starred']);
2001 unset($item['postopts']);
2002 unset($item['inform']);
2003 unset($item['post-reason']);
2004 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2006 $public_shadow = self::insert($item);
2008 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
2010 // If this was a comment to a Diaspora post we don't get our comment back.
2011 // This means that we have to distribute the comment by ourselves.
2012 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2013 self::distribute($public_shadow);
2018 * Adds a language specification in a "language" element of given $arr.
2019 * Expects "body" element to exist in $arr.
2021 * @param array $item
2022 * @return string detected language
2023 * @throws \Text_LanguageDetect_Exception
2025 private static function getLanguage(array $item): ?string
2027 if (!empty($item['language'])) {
2028 return $item['language'];
2032 foreach ($item['transmitted-languages'] ?? [] as $language) {
2033 $transmitted[$language] = 0;
2036 $content = trim(($item['title'] ?? '') . ' ' . ($item['content-warning'] ?? '') . ' ' . ($item['body'] ?? ''));
2038 if (!in_array($item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) || empty($content)) {
2039 return !empty($transmitted) ? json_encode($transmitted) : null;
2042 $languages = self::getLanguageArray($content, 3, $item['uri-id'], $item['author-id']);
2043 if (empty($languages)) {
2044 return !empty($transmitted) ? json_encode($transmitted) : null;
2047 if (!empty($transmitted)) {
2048 $languages = array_merge($transmitted, $languages);
2052 return json_encode($languages);
2056 * Get a language array from a given text
2058 * @param string $body
2059 * @param integer $count
2060 * @param integer $uri_id
2061 * @param integer $author_id
2064 public static function getLanguageArray(string $body, int $count, int $uri_id = 0, int $author_id = 0): array
2066 $searchtext = BBCode::toSearchText($body, $uri_id);
2068 if ((count(explode(' ', $searchtext)) < 10) && (mb_strlen($searchtext) < 30) && $author_id) {
2069 $author = Contact::selectFirst(['about'], ['id' => $author_id]);
2070 if (!empty($author['about'])) {
2071 $about = BBCode::toSearchText($author['about'], 0);
2072 Logger::debug('About field added', ['author' => $author_id, 'body' => $searchtext, 'about' => $about]);
2073 $searchtext .= ' ' . $about;
2077 if (empty($searchtext)) {
2081 $ld = new Language(DI::l10n()->getDetectableLanguages());
2085 foreach (self::splitByBlocks($searchtext) as $block) {
2086 $languages = $ld->detect($block)->close() ?: [];
2090 'detected' => $languages,
2091 'uri-id' => $uri_id,
2092 'author-id' => $author_id,
2094 Hook::callAll('detect_languages', $data);
2096 foreach ($data['detected'] as $language => $quality) {
2097 $result[$language] = max($result[$language] ?? 0, $quality * (strlen($block) / strlen($searchtext)));
2101 $result = self::compactLanguages($result);
2104 return array_slice($result, 0, $count);
2108 * Concert the language code in the detection result to ISO 639-1.
2109 * On duplicates the system uses the higher quality value.
2111 * @param array $result
2114 private static function compactLanguages(array $result): array
2117 foreach ($result as $language => $quality) {
2118 if ($quality == 0) {
2121 $code = DI::l10n()->toISO6391($language);
2122 if (empty($languages[$code]) || ($languages[$code] < $quality)) {
2123 $languages[$code] = $quality;
2130 * Split a string into different unicode blocks
2131 * Currently the text is split into the latin and the non latin part.
2133 * @param string $body
2136 private static function splitByBlocks(string $body): array
2138 if (!class_exists('IntlChar')) {
2143 $previous_block = 0;
2145 for ($i = 0; $i < mb_strlen($body); $i++) {
2146 $character = mb_substr($body, $i, 1);
2147 $previous = ($i > 0) ? mb_substr($body, $i - 1, 1) : '';
2148 $next = ($i < mb_strlen($body)) ? mb_substr($body, $i + 1, 1) : '';
2150 if (!\IntlChar::isalpha($character)) {
2151 if (($previous != '') && (\IntlChar::isalpha($previous))) {
2152 $previous_block = self::getBlockCode($previous);
2155 $block = (($next != '') && \IntlChar::isalpha($next)) ? self::getBlockCode($next) : $previous_block;
2156 $blocks[$block] = ($blocks[$block] ?? '') . $character;
2158 $block = self::getBlockCode($character);
2159 $blocks[$block] = ($blocks[$block] ?? '') . $character;
2163 foreach (array_keys($blocks) as $key) {
2164 $blocks[$key] = trim($blocks[$key]);
2165 if (empty($blocks[$key])) {
2166 unset($blocks[$key]);
2170 return array_values($blocks);
2174 * returns the block code for the given character
2176 * @param string $character
2177 * @return integer 0 = no alpha character (blank, signs, emojis, ...), 1 = latin character, 2 = character in every other language
2179 private static function getBlockCode(string $character): int
2181 if (!\IntlChar::isalpha($character)) {
2184 return self::isLatin($character) ? 1 : 2;
2188 * Checks if the given character is in one of the latin code blocks
2190 * @param string $character
2193 private static function isLatin(string $character): bool
2195 return in_array(\IntlChar::getBlockCode($character), [
2196 \IntlChar::BLOCK_CODE_BASIC_LATIN, \IntlChar::BLOCK_CODE_LATIN_1_SUPPLEMENT,
2197 \IntlChar::BLOCK_CODE_LATIN_EXTENDED_A, \IntlChar::BLOCK_CODE_LATIN_EXTENDED_B,
2198 \IntlChar::BLOCK_CODE_LATIN_EXTENDED_C, \IntlChar::BLOCK_CODE_LATIN_EXTENDED_D,
2199 \IntlChar::BLOCK_CODE_LATIN_EXTENDED_E, \IntlChar::BLOCK_CODE_LATIN_EXTENDED_ADDITIONAL
2203 public static function getLanguageMessage(array $item): string
2205 $iso639 = new \Matriphe\ISO639\ISO639;
2207 $used_languages = '';
2208 foreach (json_decode($item['language'], true) as $language => $reliability) {
2209 $code = DI::l10n()->toISO6391($language);
2211 $native = $iso639->nativeByCode1($code);
2212 $language = $iso639->languageByCode1($code);
2213 if ($native != $language) {
2214 $used_languages .= DI::l10n()->t('%s (%s - %s): %s', $native, $language, $code, number_format($reliability, 5)) . '\n';
2216 $used_languages .= DI::l10n()->t('%s (%s): %s', $native, $code, number_format($reliability, 5)) . '\n';
2219 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2220 return $used_languages;
2224 * Creates an unique guid out of a given uri.
2225 * This function is used for messages outside the fediverse (Connector posts, feeds, Mails, ...)
2226 * Posts that are created on this system are using System::createUUID.
2227 * Received ActivityPub posts are using Processor::getGUIDByURL.
2229 * @param string $uri uri of an item entry
2230 * @param string|null $host hostname for the GUID prefix
2231 * @return string Unique guid
2232 * @throws \Exception
2234 public static function guidFromUri(string $uri, string $host = null): string
2236 // Our regular guid routine is using this kind of prefix as well
2237 // We have to avoid that different routines could accidentally create the same value
2238 $parsed = parse_url($uri);
2240 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2241 unset($parsed['scheme']);
2243 $hostPart = $host ?: $parsed['host'] ?? '';
2245 Logger::warning('Empty host GUID part', ['uri' => $uri, 'host' => $host, 'parsed' => $parsed]);
2248 // Glue it together to be able to make a hash from it
2249 if (!empty($parsed)) {
2250 $host_id = implode('/', (array)$parsed);
2255 // Use a mixture of several hashes to provide some GUID like experience
2256 return hash('crc32', $hostPart) . '-' . hash('joaat', $host_id) . '-' . hash('fnv164', $host_id);
2260 * generate an unique URI
2262 * @param string $guid An existing GUID (Otherwise it will be generated)
2265 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2267 public static function newURI(string $guid = ''): string
2270 $guid = System::createUUID();
2273 return DI::baseUrl() . '/objects/' . $guid;
2277 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2279 * This can be used to filter for inactive contacts.
2280 * Only do this for public postings to avoid privacy problems, since poco data is public.
2281 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2283 * @param array $arr Contains the just posted item record
2284 * @throws \Exception
2286 private static function updateContact(array $arr)
2288 // Unarchive the author
2289 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2290 if (DBA::isResult($contact)) {
2291 Contact::unmarkForArchival($contact);
2294 // Unarchive the contact if it's not our own contact
2295 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2296 if (DBA::isResult($contact)) {
2297 Contact::unmarkForArchival($contact);
2300 /// @todo On private posts we could obfuscate the date
2301 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2303 // Is it a group? Then we don't care about the rules from above
2304 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
2305 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2311 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2312 // So we have to ensure to only update the last item when it had been our own post,
2313 // or it had been done by a "regular" contact.
2314 if (!empty($arr['wall'])) {
2315 $condition = ['id' => $arr['contact-id']];
2317 $condition = ['id' => $arr['contact-id'], 'self' => false];
2319 Contact::update(['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2321 // Now do the same for the system wide contacts with uid=0
2322 if ($arr['private'] != self::PRIVATE) {
2324 ['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2325 ['id' => $arr['owner-id']]
2328 if ($arr['owner-id'] != $arr['author-id']) {
2330 ['failed' => false, 'local-data' => true, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2331 ['id' => $arr['author-id']]
2337 public static function setHashtags(string $body): string
2339 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
2340 $tags = BBCode::getTags($body);
2343 if (!count($tags)) {
2347 // This sorting is important when there are hashtags that are part of other hashtags
2348 // Otherwise there could be problems with hashtags like #test and #test2
2349 // Because of this we are sorting from the longest to the shortest tag.
2350 usort($tags, function ($a, $b) {
2351 return strlen($b) <=> strlen($a);
2354 $URLSearchString = "^\[\]";
2356 // All hashtags should point to the home server if "local_tags" is activated
2357 if (DI::config()->get('system', 'local_tags')) {
2358 $body = preg_replace(
2359 "/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2360 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]",
2365 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2366 $body = preg_replace_callback(
2367 "/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2369 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2374 $body = preg_replace_callback(
2375 "/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2377 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2382 $body = preg_replace_callback(
2383 "/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
2385 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2390 // Repair recursive urls
2391 $body = preg_replace(
2392 "/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2397 foreach ($tags as $tag) {
2398 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2402 $basetag = str_replace('_', ' ', substr($tag, 1));
2403 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2405 $body = str_replace($tag, $newtag, $body);
2408 // Convert back the masked hashtags
2409 $body = str_replace("#", "#", $body);
2418 * look for mention tags and setup a second delivery chain for group/community posts if appropriate
2421 * @param int $item_id
2422 * @return boolean true if item was deleted, else false
2423 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2424 * @throws \ImagickException
2426 private static function tagDeliver(int $uid, int $item_id): bool
2428 $owner = User::getOwnerDataById($uid);
2429 if (!DBA::isResult($owner)) {
2430 Logger::warning('User not found, quitting here.', ['uid' => $uid]);
2434 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
2435 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
2439 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id, 'gravity' => [self::GRAVITY_PARENT, self::GRAVITY_COMMENT], 'origin' => false]);
2440 if (!DBA::isResult($item)) {
2441 Logger::debug('Post is an activity or origin or not found at all, quitting here.', ['id' => $item_id]);
2445 if ($item['gravity'] == self::GRAVITY_PARENT) {
2446 if (Tag::isMentioned($item['uri-id'], $owner['url'])) {
2447 Logger::info('Mention found in tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2449 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2450 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
2454 $arr = ['item' => $item, 'user' => $owner];
2456 Hook::callAll('tagged', $arr);
2458 if (Tag::isMentioned($item['parent-uri-id'], $owner['url'])) {
2459 Logger::info('Mention found in parent tag.', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2461 Logger::debug('No mentions found in parent, quitting here.', ['id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2466 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2468 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
2470 $allow_gid = '<' . Circle::FOLLOWERS . '>';
2473 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
2475 self::performActivity($item['id'], 'announce', $uid);
2478 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
2483 * Automatically reshare the item if the "remote_self" option is selected
2485 * @param array $item
2488 private static function autoReshare(array $item)
2490 if ($item['gravity'] != self::GRAVITY_PARENT) {
2494 $cdata = Contact::getPublicAndUserContactID($item['author-id'], $item['uid']);
2495 if (empty($cdata['user']) || ($cdata['user'] != $item['contact-id'])) {
2499 if (!DBA::exists('contact', ['id' => $cdata['user'], 'remote_self' => LocalRelationship::MIRROR_NATIVE_RESHARE])) {
2503 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2507 if (User::getById($item['uid'], ['blocked'])['blocked'] ?? false) {
2511 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2513 self::performActivity($item['id'], 'announce', $item['uid']);
2516 public static function isRemoteSelf(array $contact, array &$datarray): bool
2518 if ($contact['remote_self'] != LocalRelationship::MIRROR_OWN_POST) {
2522 // Prevent the forwarding of posts that are forwarded
2523 if (!empty($datarray['extid']) && ($datarray['extid'] == Protocol::DFRN)) {
2524 Logger::info('Already forwarded');
2528 // Prevent to forward already forwarded posts
2529 if ($datarray['app'] == DI::baseUrl()->getHost()) {
2530 Logger::info('Already forwarded (second test)');
2534 // Only forward posts
2535 if ($datarray['verb'] != Activity::POST) {
2536 Logger::info('No post');
2540 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2541 Logger::info('Not public');
2545 if (User::getById($contact['uid'], ['blocked'])['blocked'] ?? false) {
2546 Logger::info('User is blocked', ['contact' => $contact]);
2550 $datarray2 = $datarray;
2551 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self' => $contact['remote_self'], 'item' => $datarray]);
2553 $self = DBA::selectFirst(
2555 ['id', 'name', 'url', 'thumb'],
2556 ['uid' => $contact['uid'], 'self' => true]
2558 if (!DBA::isResult($self)) {
2559 Logger::error('Self contact not found', ['uid' => $contact['uid']]);
2563 $datarray['contact-id'] = $self['id'];
2565 $datarray['author-name'] = $datarray['owner-name'] = $self['name'];
2566 $datarray['author-link'] = $datarray['owner-link'] = $self['url'];
2567 $datarray['author-avatar'] = $datarray['owner-avatar'] = $self['thumb'];
2569 unset($datarray['edited']);
2571 unset($datarray['network']);
2572 unset($datarray['owner-id']);
2573 unset($datarray['author-id']);
2575 if ($contact['network'] != Protocol::FEED) {
2576 $old_uri_id = $datarray['uri-id'] ?? 0;
2577 $datarray['guid'] = System::createUUID();
2578 unset($datarray['plink']);
2579 $datarray['uri'] = self::newURI($datarray['guid']);
2580 $datarray['uri-id'] = ItemURI::getIdByURI($datarray['uri']);
2581 $datarray['extid'] = Protocol::DFRN;
2582 $urlpart = parse_url($datarray2['author-link']);
2583 $datarray['app'] = $urlpart['host'];
2584 if (!empty($old_uri_id)) {
2585 Post\Media::copy($old_uri_id, $datarray['uri-id']);
2588 unset($datarray['parent-uri']);
2589 unset($datarray['thr-parent']);
2591 // Store the original post
2592 $result = self::insert($datarray2);
2593 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result' => $result, 'item' => $datarray2]);
2595 $datarray['app'] = 'Feed';
2600 unset($datarray['private']);
2603 return (bool)$result;
2610 * @param array $item
2613 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2614 * @throws \ImagickException
2616 public static function fixPrivatePhotos(string $s, int $uid, array $item = null, int $cid = 0): string
2618 if (DI::config()->get('system', 'disable_embedded')) {
2622 Logger::info('check for photos');
2623 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2628 $img_start = strpos($orig_body, '[img');
2629 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2630 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2632 while (($img_st_close !== false) && ($img_len !== false)) {
2633 $img_st_close++; // make it point to AFTER the closing bracket
2634 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2636 Logger::info('found photo', ['image' => $image]);
2638 if (stristr($image, $site . '/photo/')) {
2639 // Only embed locally hosted photos
2641 $i = basename($image);
2642 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2643 $x = strpos($i, '-');
2646 $res = substr($i, $x + 1);
2647 $i = substr($i, 0, $x);
2648 $photo = Photo::getPhotoForUser($uid, $i, $res);
2649 if (DBA::isResult($photo)) {
2651 * Check to see if we should replace this photo link with an embedded image
2652 * 1. No need to do so if the photo is public
2653 * 2. If there's a contact-id provided, see if they're in the access list
2654 * for the photo. If so, embed it.
2655 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2656 * permissions, regardless of order but first check to see if they're an exact
2657 * match to save some processing overhead.
2659 if (self::hasPermissions($photo)) {
2661 $recips = self::enumeratePermissions($photo);
2662 if (in_array($cid, $recips)) {
2666 if (self::samePermissions($uid, $item, $photo)) {
2672 $photo_img = Photo::getImageForPhoto($photo);
2673 // If a custom width and height were specified, apply before embedding
2674 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2675 Logger::info('scaling photo');
2677 $width = intval($match[1]);
2678 $height = intval($match[2]);
2680 $photo_img->scaleDown(max($width, $height));
2683 $data = $photo_img->asString();
2684 $type = $photo_img->getType();
2686 Logger::info('replacing photo');
2687 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2688 Logger::debug('replaced', ['image' => $image]);
2694 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2695 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2696 if ($orig_body === false) {
2700 $img_start = strpos($orig_body, '[img');
2701 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2702 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2705 $new_body = $new_body . $orig_body;
2710 private static function hasPermissions(array $obj)
2712 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2713 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2716 // @TODO $uid is unused parameter
2717 private static function samePermissions($uid, array $obj1, array $obj2): bool
2719 // first part is easy. Check that these are exactly the same.
2720 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2721 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2722 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2723 && ($obj1['deny_gid'] == $obj2['deny_gid'])
2728 // This is harder. Parse all the permissions and compare the resulting set.
2729 $recipients1 = self::enumeratePermissions($obj1);
2730 $recipients2 = self::enumeratePermissions($obj2);
2734 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2735 return ($recipients1 == $recipients2);
2739 * Returns an array of contact-ids that are allowed to see this object
2741 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2742 * @param bool $check_dead Prunes unavailable contacts from the result
2743 * @param bool $expand_followers Expand the list of followers
2745 * @throws \Exception
2747 public static function enumeratePermissions(array $obj, bool $check_dead = false, bool $expand_followers = true): array
2749 $aclFormatter = DI::aclFormatter();
2751 if (!$expand_followers && (!empty($obj['deny_cid']) || !empty($obj['deny_gid']))) {
2752 $expand_followers = true;
2755 $allow_people = $aclFormatter->expand($obj['allow_cid']);
2756 $allow_circles = Circle::expand($obj['uid'], $aclFormatter->expand($obj['allow_gid']), $check_dead, $expand_followers);
2757 $deny_people = $aclFormatter->expand($obj['deny_cid']);
2758 $deny_circles = Circle::expand($obj['uid'], $aclFormatter->expand($obj['deny_gid']), $check_dead);
2759 $recipients = array_unique(array_merge($allow_people, $allow_circles));
2760 $deny = array_unique(array_merge($deny_people, $deny_circles));
2761 $recipients = array_diff($recipients, $deny);
2765 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2767 if (!$uid || ($days < 1)) {
2772 "`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2773 $uid, self::GRAVITY_PARENT
2777 * $expire_network_only = save your own wall posts
2778 * and just expire conversations started by others
2780 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2782 if ($expire_network_only) {
2783 $condition[0] .= " AND NOT `wall`";
2786 if ($network != "") {
2787 $condition[0] .= " AND `network` = ?";
2788 $condition[] = $network;
2791 $condition[0] .= " AND `received` < ?";
2792 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2794 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2796 if (!DBA::isResult($items)) {
2800 $expire_items = (bool)DI::pConfig()->get($uid, 'expire', 'items', true);
2802 // Forcing expiring of items - but not notes and marked items
2804 $expire_items = true;
2807 $expire_notes = (bool)DI::pConfig()->get($uid, 'expire', 'notes', true);
2808 $expire_starred = (bool)DI::pConfig()->get($uid, 'expire', 'starred', true);
2809 $expire_photos = (bool)DI::pConfig()->get($uid, 'expire', 'photos', false);
2813 $priority = DI::config()->get('system', 'expire-notify-priority');
2815 while ($item = Post::fetch($items)) {
2816 // don't expire filed items
2817 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2821 // Only expire posts, not photos and photo comments
2823 if (!$expire_photos && !empty($item['resource-id'])) {
2825 } elseif (!$expire_starred && intval($item['starred'])) {
2827 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2829 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2833 self::markForDeletionById($item['id'], $priority);
2838 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]);
2841 public static function firstPostDate(int $uid, bool $wall = false)
2843 $user = User::getById($uid, ['register_date']);
2849 "`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2850 $uid, $wall, $user['register_date']
2852 $params = ['order' => ['received' => false]];
2853 $thread = Post::selectFirstThread(['received'], $condition, $params);
2854 if (DBA::isResult($thread)) {
2855 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2862 * add/remove activity to an item
2864 * Toggle activities as like,dislike,attend of an item
2866 * @param int $item_id
2867 * @param string $verb
2868 * Activity verb. One of
2869 * like, unlike, dislike, undislike, attendyes, unattendyes,
2870 * attendno, unattendno, attendmaybe, unattendmaybe,
2871 * announce, unannounce
2873 * @param string $allow_cid
2874 * @param string $allow_gid
2875 * @param string $deny_cid
2876 * @param string $deny_gid
2878 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2879 * @throws \ImagickException
2880 * @hook 'post_local_end'
2882 * 'post_id' => ID of posted item
2884 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
2890 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2892 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2893 if (!DBA::isResult($item)) {
2894 Logger::warning('Post had not been fetched', ['id' => $item_id]);
2898 $uri_id = $item['uri-id'];
2900 if (!in_array($item['uid'], [0, $uid])) {
2904 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2905 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid, ['post-reason' => Item::PR_ACTIVITY]);
2906 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2907 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2908 if (!DBA::isResult($item)) {
2909 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2915 // Retrieves the local post owner
2916 $owner = User::getOwnerDataById($uid);
2917 if (empty($owner)) {
2918 Logger::info('Empty owner for user', ['uid' => $uid]);
2922 // Retrieve the current logged in user's public contact
2923 $author_id = Contact::getPublicIdByUserId($uid);
2924 if (empty($author_id)) {
2925 Logger::info('Empty public contact');
2933 $activity = Activity::LIKE;
2937 $activity = Activity::DISLIKE;
2941 $activity = Activity::ATTEND;
2945 $activity = Activity::ATTENDNO;
2948 case 'unattendmaybe':
2949 $activity = Activity::ATTENDMAYBE;
2953 $activity = Activity::FOLLOW;
2957 $activity = Activity::ANNOUNCE;
2960 Logger::warning('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2964 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2966 // Enable activity toggling instead of on/off
2967 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2969 // Look for an existing verb row
2970 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2971 if ($event_verb_flag) {
2972 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2974 // Translate to the index based activity index
2976 foreach ($verbs as $verb) {
2977 $vids[] = Verb::getID($verb);
2980 $vids = Verb::getID($activity);
2984 'vid' => $vids, 'deleted' => false, 'gravity' => self::GRAVITY_ACTIVITY,
2985 'author-id' => $author_id, 'uid' => $uid, 'thr-parent-id' => $uri_id
2987 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2989 if (DBA::isResult($like_item)) {
2991 * Truth table for existing activities
2993 * | Inputs || Outputs |
2994 * |----------------------------||-------------------|
2995 * | Mode | Event | Same verb || Delete? | Return? |
2996 * |--------|-------|-----------||---------|---------|
2997 * | create | Yes | Yes || No | Yes |
2998 * | create | Yes | No || Yes | No |
2999 * | create | No | Yes || No | Yes |
3000 * | create | No | No || N/A†|
3001 * | delete | Yes | Yes || Yes | N/A‡ |
3002 * | delete | Yes | No || No | N/A‡ |
3003 * | delete | No | Yes || Yes | N/A‡ |
3004 * | delete | No | No || N/A†|
3005 * |--------|-------|-----------||---------|---------|
3006 * | A | B | C || A xor C | !B or C |
3008 * †Can't happen: It's impossible to find an existing non-event activity without
3009 * the same verb because we are only looking for this single verb.
3011 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3013 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3014 self::markForDeletionById($like_item['id']);
3017 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3022 // No need to go further if we aren't creating anything
3023 if ($mode == 'delete') {
3027 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3030 'guid' => System::createUUID(),
3031 'uri' => self::newURI(),
3033 'contact-id' => $owner['id'],
3034 'wall' => $item['wall'],
3036 'network' => Protocol::DFRN,
3037 'protocol' => Conversation::PARCEL_DIRECT,
3038 'direction' => Conversation::PUSH,
3039 'gravity' => self::GRAVITY_ACTIVITY,
3040 'parent' => $item['id'],
3041 'thr-parent' => $item['uri'],
3042 'owner-id' => $author_id,
3043 'author-id' => $author_id,
3044 'body' => $activity,
3045 'verb' => $activity,
3046 'object-type' => $objtype,
3047 'allow_cid' => $allow_cid ?? $item['allow_cid'],
3048 'allow_gid' => $allow_gid ?? $item['allow_gid'],
3049 'deny_cid' => $deny_cid ?? $item['deny_cid'],
3050 'deny_gid' => $deny_gid ?? $item['deny_gid'],
3055 if (in_array($activity, [Activity::LIKE, Activity::DISLIKE])) {
3056 $signed = Diaspora::createLikeSignature($uid, $new_item);
3057 if (!empty($signed)) {
3058 $new_item['diaspora_signed_text'] = json_encode($signed);
3062 self::insert($new_item, true);
3064 // If the parent item isn't visible then set it to visible
3065 // @todo Check if this is still needed
3066 if (!$item['visible']) {
3067 self::update(['visible' => true], ['id' => $item['id']]);
3073 * Fetch the SQL condition for the given user id
3075 * @param integer $owner_id User ID for which the permissions should be fetched
3076 * @return array condition
3078 public static function getPermissionsConditionArrayByUserId(int $owner_id): array
3080 $local_user = DI::userSession()->getLocalUserId();
3081 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
3083 // default permissions - anonymous user
3084 $condition = ["`private` != ?", self::PRIVATE];
3086 if ($local_user && ($local_user == $owner_id)) {
3087 // Profile owner - everything is visible
3089 } elseif ($remote_user) {
3090 // Authenticated visitor - fetch the matching permissionsets
3091 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
3094 "(`private` != ? OR (`private` = ? AND `wall`
3095 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
3096 self::PRIVATE, self::PRIVATE
3098 $condition = array_merge($condition, $permissionSets->column('id'));
3106 * Get a permission SQL string for the given user
3108 * @param int $owner_id
3109 * @param string $table
3112 public static function getPermissionsSQLByUserId(int $owner_id, string $table = ''): string
3114 $local_user = DI::userSession()->getLocalUserId();
3115 $remote_user = DI::userSession()->getRemoteContactID($owner_id);
3117 if (!empty($table)) {
3118 $table = DBA::quoteIdentifier($table) . '.';
3122 * Construct permissions
3124 * default permissions - anonymous user
3126 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
3128 // Profile owner - everything is visible
3129 if ($local_user && ($local_user == $owner_id)) {
3131 } elseif ($remote_user) {
3133 * Authenticated visitor. Unless pre-verified,
3134 * check that the contact belongs to this $owner_id
3135 * and load the circles the visitor belongs to.
3136 * If pre-verified, the caller is expected to have already
3137 * done this and passed the circles into this function.
3139 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
3142 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
3147 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
3154 * get translated item type
3156 * @param array $item
3157 * @param \Friendica\Core\L10n $l10n
3160 public static function postType(array $item, \Friendica\Core\L10n $l10n): string
3162 if (!empty($item['event-id'])) {
3163 return $l10n->t('event');
3164 } elseif (!empty($item['resource-id'])) {
3165 return $l10n->t('photo');
3166 } elseif ($item['gravity'] == self::GRAVITY_ACTIVITY) {
3167 return $l10n->t('activity');
3168 } elseif ($item['gravity'] == self::GRAVITY_COMMENT) {
3169 return $l10n->t('comment');
3172 return $l10n->t('post');
3176 * Sets the "rendered-html" field of the provided item
3178 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3180 * @param array $item
3182 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3183 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3185 private static function putInCache(&$item)
3187 // Save original body to prevent addons to modify it
3188 $body = $item['body'];
3190 $rendered_hash = $item['rendered-hash'] ?? '';
3191 $rendered_html = $item['rendered-html'] ?? '';
3194 $rendered_hash == ''
3195 || $rendered_html == ''
3196 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
3197 || DI::config()->get('system', 'ignore_cache')
3199 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
3200 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
3202 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3203 Hook::callAll('put_item_in_cache', $hook_data);
3204 $item['rendered-html'] = $hook_data['rendered-html'];
3205 $item['rendered-hash'] = $hook_data['rendered-hash'];
3208 // Update if the generated values differ from the existing ones
3209 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
3212 'rendered-html' => $item['rendered-html'],
3213 'rendered-hash' => $item['rendered-hash']
3215 ['id' => $item['id']]
3220 $item['body'] = $body;
3224 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3225 * If attach is true, also add icons for item attachments.
3227 * @param array $item Record from item table
3228 * @param boolean $attach If true, add icons for item attachments as well
3229 * @param boolean $is_preview Whether this is a preview
3230 * @param boolean $only_cache Whether only cached HTML should be updated
3231 * @return string item body html
3232 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3233 * @throws \ImagickException
3234 * @hook prepare_body_init item array before any work
3235 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3236 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3237 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3239 public static function prepareBody(array &$item, bool $attach = false, bool $is_preview = false, bool $only_cache = false): string
3242 Hook::callAll('prepare_body_init', $item);
3245 // In order to provide theme developers more possibilities, event items
3246 // are treated differently.
3247 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3248 $ev = Event::getItemHTML($item);
3252 $tags = Tag::populateFromItem($item);
3254 $item['tags'] = $tags['tags'];
3255 $item['hashtags'] = $tags['hashtags'];
3256 $item['mentions'] = $tags['mentions'];
3259 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3260 $item['body'] = Post\Media::removeFromEndOfBody($item['body'] ?? '');
3261 $item['body'] = Post\Media::replaceImage($item['body']);
3264 $body = $item['body'];
3266 $item['body'] = preg_replace("#\s*\[attachment .*?].*?\[/attachment]\s*#ism", "\n", $item['body']);
3269 $fields = ['uri-id', 'uri', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink', 'network', 'has-media', 'quote-uri-id', 'post-type'];
3273 $quote_shared_links = [];
3275 $shared = DI::contentItem()->getSharedPost($item, $fields);
3276 if (!empty($shared['post'])) {
3277 $shared_item = $shared['post'];
3278 $shared_item['body'] = Post\Media::removeFromEndOfBody($shared_item['body']);
3279 $shared_item['body'] = Post\Media::replaceImage($shared_item['body']);
3280 $quote_uri_id = $shared['post']['uri-id'];
3281 $shared_links[] = strtolower($shared['post']['uri']);
3282 $item['body'] = BBCode::removeSharedData($item['body']);
3283 } elseif (empty($shared_item['uri-id']) && empty($item['quote-uri-id']) && ($item['network'] != Protocol::DIASPORA)) {
3284 $media = Post\Media::getByURIId($item['uri-id'], [Post\Media::ACTIVITY]);
3285 if (!empty($media) && ($media[0]['media-uri-id'] != $item['uri-id'])) {
3286 $shared_item = Post::selectFirst($fields, ['uri-id' => $media[0]['media-uri-id'], 'uid' => [$item['uid'], 0]]);
3287 if (empty($shared_item['uri-id'])) {
3288 $shared_item = Post::selectFirst($fields, ['plink' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3289 } elseif (!in_array(strtolower($media[0]['url']), $shared_links)) {
3290 $shared_links[] = strtolower($media[0]['url']);
3293 if (empty($shared_item['uri-id'])) {
3294 $shared_item = Post::selectFirst($fields, ['uri' => $media[0]['url'], 'uid' => [$item['uid'], 0]]);
3295 $shared_links[] = strtolower($media[0]['url']);
3298 if (!empty($shared_item['uri-id'])) {
3299 $data = BBCode::getAttachmentData($shared_item['body']);
3300 if (!empty($data['url'])) {
3301 $quote_shared_links[] = $data['url'];
3304 $quote_uri_id = $shared_item['uri-id'];
3309 if (!empty($quote_uri_id)) {
3310 if (isset($shared_item['plink'])) {
3311 $item['body'] .= "\n" . DI::contentItem()->createSharedBlockByArray($shared_item, false, true);
3313 DI::logger()->warning('Missing plink in shared item', ['item' => $item, 'shared' => $shared, 'quote_uri_id' => $quote_uri_id, 'shared_item' => $shared_item]);
3317 if (!empty($shared_item['uri-id'])) {
3318 $shared_uri_id = $shared_item['uri-id'];
3319 $shared_links[] = strtolower($shared_item['plink']);
3320 $sharedSplitAttachments = DI::postMediaRepository()->splitAttachments($shared_uri_id, [], $shared_item['has-media']);
3321 $shared_links = array_merge($shared_links, $sharedSplitAttachments['visual']->column('url'));
3322 $shared_links = array_merge($shared_links, $sharedSplitAttachments['link']->column('url'));
3323 $shared_links = array_merge($shared_links, $sharedSplitAttachments['additional']->column('url'));
3324 $item['body'] = self::replaceVisualAttachments($sharedSplitAttachments['visual'], $item['body']);
3327 $itemSplitAttachments = DI::postMediaRepository()->splitAttachments($item['uri-id'], $shared_links, $item['has-media'] ?? false);
3328 $item['body'] = self::replaceVisualAttachments($itemSplitAttachments['visual'], $item['body'] ?? '');
3330 self::putInCache($item);
3331 $item['body'] = $body;
3332 $s = $item["rendered-html"];
3338 // Compile eventual content filter reasons
3339 $filter_reasons = [];
3340 if (!$is_preview && DI::userSession()->getPublicContactId() != $item['author-id']) {
3341 if (!empty($item['user-blocked-author']) || !empty($item['user-blocked-owner'])) {
3342 $filter_reasons[] = DI::l10n()->t('%s is blocked', $item['author-name']);
3343 } elseif (!empty($item['user-ignored-author']) || !empty($item['user-ignored-owner'])) {
3344 $filter_reasons[] = DI::l10n()->t('%s is ignored', $item['author-name']);
3345 } elseif (!empty($item['user-collapsed-author']) || !empty($item['user-collapsed-owner'])) {
3346 $filter_reasons[] = DI::l10n()->t('Content from %s is collapsed', $item['author-name']);
3349 if (!empty($item['content-warning']) && (!DI::userSession()->getLocalUserId() || !DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'disable_cw', false))) {
3350 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3353 $item['attachments'] = $itemSplitAttachments;
3357 'filter_reasons' => $filter_reasons
3359 Hook::callAll('prepare_body_content_filter', $hook_data);
3360 $filter_reasons = $hook_data['filter_reasons'];
3367 'preview' => $is_preview,
3368 'filter_reasons' => $filter_reasons
3370 Hook::callAll('prepare_body', $hook_data);
3371 $s = $hook_data['html'];
3376 // Replace the blockquotes with quotes that are used in mails.
3377 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3378 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3382 if (!empty($sharedSplitAttachments)) {
3383 $s = self::addGallery($s, $sharedSplitAttachments['visual']);
3384 $s = self::addVisualAttachments($sharedSplitAttachments['visual'], $shared_item, $s, true);
3385 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $sharedSplitAttachments, $body, $s, true, $quote_shared_links);
3386 $s = self::addNonVisualAttachments($sharedSplitAttachments['additional'], $item, $s, true);
3387 $body = BBCode::removeSharedData($body);
3390 $pos = strpos($s, BBCode::SHARED_ANCHOR);
3392 $shared_html = substr($s, $pos + strlen(BBCode::SHARED_ANCHOR));
3393 $s = substr($s, 0, $pos);
3396 $s = self::addGallery($s, $itemSplitAttachments['visual']);
3397 $s = self::addVisualAttachments($itemSplitAttachments['visual'], $item, $s, false);
3398 $s = self::addLinkAttachment($item['uri-id'], $itemSplitAttachments, $body, $s, false, $shared_links);
3399 $s = self::addNonVisualAttachments($itemSplitAttachments['additional'], $item, $s, false);
3400 $s = self::addQuestions($item, $s);
3403 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3404 $x = Map::byCoordinates(trim($item['coord']));
3406 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3410 // Replace friendica image url size with theme preference.
3411 if (!empty($a->getThemeInfoValue('item_image_size'))) {
3412 $ps = $a->getThemeInfoValue('item_image_size');
3413 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3416 if (!empty($shared_html)) {
3420 $s = HTML::applyContentFilter($s, $filter_reasons);
3422 $hook_data = ['item' => $item, 'html' => $s];
3423 Hook::callAll('prepare_body_final', $hook_data);
3424 return $hook_data['html'];
3428 * Modify links to pictures to links for the "Fancybox" gallery
3431 * @param PostMedias $PostMedias
3434 private static function addGallery(string $s, PostMedias $PostMedias): string
3436 foreach ($PostMedias as $PostMedia) {
3437 if (!$PostMedia->preview || ($PostMedia->type !== Post\Media::IMAGE)) {
3441 if ($PostMedia->hasDimensions()) {
3442 $pattern = '#<a href="' . preg_quote($PostMedia->url) . '">(.*?)"></a>#';
3444 $s = preg_replace_callback($pattern, function () use ($PostMedia) {
3445 return Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image/single_with_height_allocation.tpl'), [
3446 '$image' => $PostMedia,
3447 '$allocated_height' => $PostMedia->getAllocatedHeight(),
3448 '$allocated_max_width' => ($PostMedia->previewWidth ?? $PostMedia->width) . 'px',
3452 $s = str_replace('<a href="' . $PostMedia->url . '"', '<a data-fancybox="uri-id-' . $PostMedia->uriId . '" href="' . $PostMedia->url . '"', $s);
3460 * Check if the body contains a link
3462 * @param string $body
3463 * @param string $url
3467 public static function containsLink(string $body, string $url, int $type = 0): bool
3469 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
3470 $urlparts = parse_url($url);
3471 if (empty($urlparts)) {
3475 unset($urlparts['query']);
3476 unset($urlparts['fragment']);
3479 $url = (string)Uri::fromParts((array)$urlparts);
3480 } catch (\InvalidArgumentException $e) {
3481 DI::logger()->notice('Invalid URL', ['$url' => $url, '$urlparts' => $urlparts]);
3482 /* See https://github.com/friendica/friendica/issues/12113
3483 * Malformed URLs will result in a Fatal Error
3488 // Remove media links to only search in embedded content
3489 // @todo Check images for image link, audio for audio links, ...
3490 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
3491 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
3494 if (strpos($body, $url)) {
3498 foreach ([0, 1, 2] as $size) {
3500 preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
3501 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)
3511 * Replace visual attachments in the body
3513 * @param PostMedias $PostMedias
3514 * @param string $body
3515 * @return string modified body
3517 private static function replaceVisualAttachments(PostMedias $PostMedias, string $body): string
3519 DI::profiler()->startRecording('rendering');
3521 foreach ($PostMedias as $PostMedia) {
3522 if ($PostMedia->preview) {
3523 if (DI::baseUrl()->isLocalUri($PostMedia->preview)) {
3526 $proxy = DI::baseUrl() . $PostMedia->getPreviewPath(Proxy::SIZE_LARGE);
3527 $search = ['[img=' . $PostMedia->preview . ']', ']' . $PostMedia->preview . '[/img]'];
3528 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3530 $body = str_replace($search, $replace, $body);
3531 } elseif ($PostMedia->mimetype->type == 'image') {
3532 if (DI::baseUrl()->isLocalUri($PostMedia->url)) {
3535 $proxy = DI::baseUrl() . $PostMedia->getPreviewPath(Proxy::SIZE_LARGE);
3536 $search = ['[img=' . $PostMedia->url . ']', ']' . $PostMedia->url . '[/img]'];
3537 $replace = ['[img=' . $proxy . ']', ']' . $proxy . '[/img]'];
3539 $body = str_replace($search, $replace, $body);
3542 DI::profiler()->stopRecording();
3547 * Add visual attachments to the content
3549 * @param PostMedias $PostMedias
3550 * @param array $item
3551 * @param string $content
3552 * @param bool $shared
3553 * @return string modified content
3554 * @throws ServiceUnavailableException
3556 private static function addVisualAttachments(PostMedias $PostMedias, array $item, string $content, bool $shared): string
3558 DI::profiler()->startRecording('rendering');
3561 $images = new PostMedias();
3563 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
3564 foreach ($PostMedias as $PostMedia) {
3565 if (self::containsLink($item['body'], $PostMedia->preview ?? $PostMedia->url, $PostMedia->type)) {
3569 if ($PostMedia->mimetype->type == 'image' || $PostMedia->preview) {
3570 $preview_size = Proxy::SIZE_MEDIUM;
3571 $preview_url = DI::baseUrl() . $PostMedia->getPreviewPath($preview_size);
3577 if ($preview_url && self::containsLink($item['body'], $preview_url)) {
3581 if ($PostMedia->mimetype->type == 'video') {
3582 /// @todo Move the template to /content as well
3583 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3585 'id' => $PostMedia->id,
3586 'src' => (string)$PostMedia->url,
3587 'name' => $PostMedia->name ?: $PostMedia->url,
3588 'preview' => $preview_url,
3589 'mime' => (string)$PostMedia->mimetype,
3592 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
3595 $trailing .= $media;
3597 } elseif ($PostMedia->mimetype->type == 'audio') {
3598 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
3600 'id' => $PostMedia->id,
3601 'src' => (string)$PostMedia->url,
3602 'name' => $PostMedia->name ?: $PostMedia->url,
3603 'mime' => (string)$PostMedia->mimetype,
3606 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
3609 $trailing .= $media;
3611 } elseif ($PostMedia->mimetype->type == 'image') {
3612 $src_url = DI::baseUrl() . $PostMedia->getPhotoPath();
3613 if (self::containsLink($item['body'], $src_url)) {
3617 $images[] = $PostMedia->withUrl(new Uri($src_url))->withPreview(new Uri($preview_url), $preview_size);
3621 $media = Image::getBodyAttachHtml($images);
3623 // On Diaspora posts the attached pictures are leading
3624 if ($item['network'] == Protocol::DIASPORA) {
3627 $trailing .= $media;
3631 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '</div>' . BBCode::TOP_ANCHOR, $content);
3632 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '</div>' . BBCode::BOTTOM_ANCHOR, $content);
3634 if ($leading != '') {
3635 $content = '<div class="body-attach">' . $leading . '</div>' . $content;
3638 if ($trailing != '') {
3639 $content .= '<div class="body-attach">' . $trailing . '</div>';
3643 DI::profiler()->stopRecording();
3648 * Add link attachment to the content
3651 * @param PostMedias[] $attachments
3652 * @param string $body
3653 * @param string $content
3654 * @param bool $shared
3655 * @param array $ignore_links A list of URLs to ignore
3656 * @return string modified content
3657 * @throws InternalServerErrorException
3658 * @throws ServiceUnavailableException
3660 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links): string
3662 DI::profiler()->startRecording('rendering');
3663 // Don't show a preview when there is a visual attachment (audio or video)
3664 $types = $attachments['visual']->column('type');
3665 $preview = !in_array(PostMedia::TYPE_IMAGE, $types) && !in_array(PostMedia::TYPE_VIDEO, $types);
3667 /** @var ?PostMedia $attachment */
3669 foreach ($attachments['link'] as $PostMedia) {
3671 foreach ($ignore_links as $ignore_link) {
3672 if (Strings::compareLink($PostMedia->url, $ignore_link)) {
3676 // @todo Judge between the links to use the one with most information
3677 if (!$found && (empty($attachment) || $PostMedia->authorName ||
3678 (!$attachment->name && $PostMedia->name) ||
3679 (!$attachment->description && $PostMedia->description) ||
3680 (!$attachment->preview && $PostMedia->preview))) {
3681 $attachment = $PostMedia;
3685 if (!empty($attachment)) {
3688 'author_name' => $attachment->authorName ?? '',
3689 'author_url' => (string)($attachment->authorUrl ?? ''),
3690 'description' => $attachment->description ?? '',
3693 'provider_name' => $attachment->publisherName ?? '',
3694 'provider_url' => (string)($attachment->publisherUrl ?? ''),
3696 'title' => $attachment->name ?? '',
3698 'url' => (string)$attachment->url,
3701 if ($preview && $attachment->preview) {
3702 if ($attachment->previewWidth >= 500) {
3703 $data['image'] = DI::baseUrl() . $attachment->getPreviewPath(Proxy::SIZE_MEDIUM);
3705 $data['preview'] = DI::baseUrl() . $attachment->getPreviewPath(Proxy::SIZE_MEDIUM);
3709 if (!empty($data['description']) && !empty($content)) {
3710 similar_text($data['description'], $content, $percent);
3715 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3716 $data['description'] = '';
3719 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3720 $data['author_name'] = '';
3723 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3724 $data['author_url'] = '';
3726 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3727 $data = BBCode::getAttachmentData($match[1]);
3729 DI::profiler()->stopRecording();
3731 if (isset($data['url']) && !in_array(strtolower($data['url']), $ignore_links)) {
3732 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview']) || (!empty($data['title']) && !Strings::compareLink($data['title'], $data['url']))) {
3733 $parts = parse_url($data['url']);
3734 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3735 if (empty($data['provider_name'])) {
3736 $data['provider_name'] = $parts['host'];
3738 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3739 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3741 if (!empty($parts['port'])) {
3742 $data['provider_url'] .= ':' . $parts['port'];
3747 // @todo Use a template
3748 $preview_mode = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'preview_mode', BBCode::PREVIEW_LARGE);
3749 if ($preview_mode != BBCode::PREVIEW_NONE) {
3750 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid, $preview_mode);
3754 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3755 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3756 '$url' => $data['url'],
3757 '$title' => $data['title'],
3764 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3766 return $content . $rendered;
3773 * Add non-visual attachments to the content
3775 * @param PostMedias $PostMedias
3776 * @param array $item
3777 * @param string $content
3778 * @return string modified content
3779 * @throws InternalServerErrorException
3780 * @throws \ImagickException
3782 private static function addNonVisualAttachments(PostMedias $PostMedias, array $item, string $content): string
3784 DI::profiler()->startRecording('rendering');
3786 foreach ($PostMedias as $PostMedia) {
3787 if (strpos($item['body'], (string)$PostMedia->url)) {
3793 'id' => $item['author-id'],
3794 'network' => $item['author-network'],
3795 'url' => $item['author-link'],
3796 'alias' => $item['author-alias']
3798 $the_url = Contact::magicLinkByContact($author, $PostMedia->url);
3800 $title = Strings::escapeHtml(trim($PostMedia->description ?? '' ?: $PostMedia->url));
3802 if ($PostMedia->size) {
3803 $title .= ' ' . $PostMedia->size . ' ' . DI::l10n()->t('bytes');
3806 /// @todo Use a template
3807 $icon = '<div class="attachtype icon s22 type-' . $PostMedia->mimetype->type . ' subtype-' . $PostMedia->mimetype->subtype . '"></div>';
3808 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3811 if ($trailing != '') {
3812 $content .= '<div class="body-attach">' . $trailing . '</div>';
3815 DI::profiler()->stopRecording();
3819 private static function addQuestions(array $item, string $content): string
3821 DI::profiler()->startRecording('rendering');
3822 if (!empty($item['question-id'])) {
3824 'id' => $item['question-id'],
3825 'multiple' => $item['question-multiple'],
3826 'voters' => $item['question-voters'],
3827 'endtime' => $item['question-end-time']
3830 $options = Post\QuestionOption::getByURIId($item['uri-id']);
3831 foreach ($options as $key => $option) {
3832 if ($question['voters'] > 0) {
3833 $percent = $option['replies'] / $question['voters'] * 100;
3834 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%3$d%%, %1$d vote)', '%2$s (%3$d%%, %1$d votes)', $option['replies'] ?? 0, $option['name'], round($percent, 1));
3836 $options[$key]['vote'] = DI::l10n()->tt('%2$s (%1$d vote)', '%2$s (%1$d votes)', $option['replies'] ?? 0, $option['name']);
3840 if (!empty($question['voters']) && !empty($question['endtime'])) {
3841 $summary = DI::l10n()->tt('%d voter. Poll end: %s', '%d voters. Poll end: %s', $question['voters'] ?? 0, Temporal::getRelativeDate($question['endtime']));
3842 } elseif (!empty($question['voters'])) {
3843 $summary = DI::l10n()->tt('%d voter.', '%d voters.', $question['voters'] ?? 0);
3844 } elseif (!empty($question['endtime'])) {
3845 $summary = DI::l10n()->t('Poll end: %s', Temporal::getRelativeDate($question['endtime']));
3850 $content .= Renderer::replaceMacros(Renderer::getMarkupTemplate('content/question.tpl'), [
3851 '$question' => $question,
3852 '$options' => $options,
3853 '$summary' => $summary,
3856 DI::profiler()->stopRecording();
3861 * get private link for item
3863 * @param array $item
3864 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3865 * @throws \Exception
3867 public static function getPlink(array $item)
3869 if (!empty($item['plink']) && Network::isValidHttpUrl($item['plink'])) {
3870 $plink = $item['plink'];
3871 } elseif (!empty($item['uri']) && Network::isValidHttpUrl($item['uri']) && !Network::isLocalLink($item['uri'])) {
3872 $plink = $item['uri'];
3875 if (DI::userSession()->getLocalUserId()) {
3877 'href' => "display/" . $item['guid'],
3878 'orig' => "display/" . $item['guid'],
3879 'title' => DI::l10n()->t('View on separate page'),
3880 'orig_title' => DI::l10n()->t('View on separate page'),
3883 if (!empty($plink) && ($item['private'] == self::PRIVATE)) {
3886 'id' => $item['author-id'],
3887 'network' => $item['author-network'],
3888 'url' => $item['author-link'],
3889 'alias' => $item['author-alias'],
3891 $plink = Contact::magicLinkByContact($author, $plink);
3894 if (!empty($plink)) {
3895 $ret['href'] = DI::baseUrl()->remove($plink);
3896 $ret['title'] = DI::l10n()->t('Link to source');
3898 } elseif (!empty($plink) && ($item['private'] != self::PRIVATE)) {
3902 'title' => DI::l10n()->t('Link to source'),
3903 'orig_title' => DI::l10n()->t('Link to source'),
3913 * Does the given uri-id belongs to a post that is sent as starting post to a group?
3914 * This does apply to posts that are sent via ! and not in parallel to a group via @
3916 * @param int $uri_id
3918 * @return boolean "true" when it is a group post
3920 public static function isGroupPost(int $uri_id): bool
3922 if (Post::exists(['private' => Item::PUBLIC, 'uri-id' => $uri_id])) {
3926 foreach (Tag::getByURIId($uri_id, [Tag::EXCLUSIVE_MENTION, Tag::AUDIENCE]) as $tag) {
3927 // @todo Possibly check for a public audience in the future, see https://socialhub.activitypub.rocks/t/fep-1b12-group-federation/2724
3928 // and https://codeberg.org/fediverse/fep/src/branch/main/feps/fep-1b12.md
3929 if (DBA::exists('contact', ['uid' => 0, 'nurl' => Strings::normaliseLink($tag['url']), 'contact-type' => Contact::TYPE_COMMUNITY])) {
3937 * Search item id for given URI or plink
3939 * @param string $uri
3940 * @param integer $uid
3942 * @return integer item id
3944 public static function searchByLink(string $uri, int $uid = 0): int
3946 $ssl_uri = str_replace('http://', 'https://', $uri);
3947 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3949 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3950 if (DBA::isResult($item)) {
3954 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3955 if (DBA::isResult($item)) {
3963 * Return the URI for a link to the post
3965 * @param string $uri URI or link to post
3967 * @return string URI
3969 public static function getURIByLink(string $uri): string
3971 $ssl_uri = str_replace('http://', 'https://', $uri);
3972 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3974 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3975 if (DBA::isResult($item)) {
3976 return $item['uri'];
3979 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3980 if (DBA::isResult($item)) {
3981 return $item['uri'];
3988 * Fetches item for given URI or plink
3990 * @param string $uri
3992 * @param int $completion
3994 * @return integer item id
3996 public static function fetchByLink(string $uri, int $uid = 0, int $completion = ActivityPub\Receiver::COMPLETION_MANUAL): int
3998 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3999 $item_id = self::searchByLink($uri, $uid);
4000 if (!empty($item_id)) {
4001 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
4011 Hook::callAll('item_by_link', $hookData);
4013 if (isset($hookData['item_id'])) {
4014 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
4017 $fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri, [], '', $completion, $uid);
4020 $item_id = self::searchByLink($fetched_uri, $uid);
4022 $item_id = Diaspora::fetchByURL($uri);
4025 if (!empty($item_id)) {
4026 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
4030 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
4035 * Fetch the uri-id of a quote
4037 * @param string $body
4040 public static function getQuoteUriId(string $body, int $uid = 0): int
4042 $shared = BBCode::fetchShareAttributes($body);
4043 if (empty($shared['guid']) && empty($shared['message_id'])) {
4047 if (empty($shared['link']) && empty($shared['message_id'])) {
4048 Logger::notice('Invalid share block.', ['share' => $shared]);
4052 if (!empty($shared['guid'])) {
4053 $shared_item = Post::selectFirst(['uri-id'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
4054 if (!empty($shared_item['uri-id'])) {
4055 Logger::debug('Found post by guid', ['guid' => $shared['guid'], 'uid' => $uid]);
4056 return $shared_item['uri-id'];
4060 if (!empty($shared['message_id'])) {
4061 $shared_item = Post::selectFirst(['uri-id'], ['uri' => $shared['message_id'], 'uid' => [0, $uid]]);
4062 if (!empty($shared_item['uri-id'])) {
4063 Logger::debug('Found post by message_id', ['message_id' => $shared['message_id'], 'uid' => $uid]);
4064 return $shared_item['uri-id'];
4068 if (!empty($shared['link'])) {
4069 $shared_item = Post::selectFirst(['uri-id'], ['plink' => $shared['link'], 'uid' => [0, $uid]]);
4070 if (!empty($shared_item['uri-id'])) {
4071 Logger::debug('Found post by link', ['link' => $shared['link'], 'uid' => $uid]);
4072 return $shared_item['uri-id'];
4076 $url = $shared['message_id'] ?: $shared['link'];
4077 $id = self::fetchByLink($url, 0, ActivityPub\Receiver::COMPLETION_ASYNC);
4079 Logger::notice('Post could not be fetched.', ['url' => $url, 'uid' => $uid]);
4083 $shared_item = Post::selectFirst(['uri-id'], ['id' => $id]);
4084 if (!empty($shared_item['uri-id'])) {
4085 Logger::debug('Fetched shared post', ['id' => $id, 'url' => $url, 'uid' => $uid]);
4086 return $shared_item['uri-id'];
4089 Logger::warning('Post does not exist although it was supposed to had been fetched.', ['id' => $id, 'url' => $url, 'uid' => $uid]);