3 * @copyright Copyright (C) 2010-2022, 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\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
36 use Friendica\Model\Post;
37 use Friendica\Protocol\Activity;
38 use Friendica\Protocol\ActivityPub;
39 use Friendica\Protocol\Diaspora;
40 use Friendica\Util\DateTimeFormat;
41 use Friendica\Util\Map;
42 use Friendica\Util\Network;
43 use Friendica\Util\Proxy;
44 use Friendica\Util\Strings;
45 use Friendica\Worker\Delivery;
46 use LanguageDetection\Language;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
60 const PT_PERSONAL_NOTE = 128;
62 // Posting reasons (Why had a post been stored for a user?)
69 const PR_FOLLOWER = 69;
70 const PR_ANNOUNCEMENT = 70;
71 const PR_COMMENT = 71;
75 const PR_FETCHED = 75;
77 // Field list that is used to display the items
78 const DISPLAY_FIELDLIST = [
79 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
80 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
81 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
82 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
83 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
84 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
85 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
86 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type',
87 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
88 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
89 'writable', 'self', 'cid', 'alias',
90 'event-created', 'event-edited', 'event-start', 'event-finish',
91 'event-summary', 'event-desc', 'event-location', 'event-type',
92 'event-nofinish', 'event-ignore', 'event-id',
93 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
96 // Field list that is used to deliver items via the protocols
97 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
98 'parent-guid', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
99 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
100 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
101 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
102 'author-id', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
103 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'forum_mode', 'origin',
104 'thr-parent-id', 'parent-uri-id', 'postopts', 'pubmail',
105 'event-created', 'event-edited', 'event-start', 'event-finish',
106 'event-summary', 'event-desc', 'event-location', 'event-type',
107 'event-nofinish', 'event-ignore', 'event-id'];
109 // All fields in the item table
110 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
111 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
112 'contact-id', 'wall', 'gravity', 'extid', 'psid',
113 'created', 'edited', 'commented', 'received', 'changed', 'verb',
114 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
115 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
116 'private', 'pubmail', 'visible', 'starred',
117 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
118 'title', 'content-warning', 'body', 'location', 'coord', 'app',
119 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
120 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
121 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
123 // List of all verbs that don't need additional content data.
124 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
126 Activity::LIKE, Activity::DISLIKE,
127 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
136 * Update existing item entries
138 * @param array $fields The fields that are to be changed
139 * @param array $condition The condition for finding the item entries
141 * In the future we may have to change permissions as well.
142 * Then we had to add the user id as third parameter.
144 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
146 * @return integer|boolean number of affected rows - or "false" if there was an error
147 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
149 public static function update(array $fields, array $condition)
151 if (empty($condition) || empty($fields)) {
155 if (isset($fields['extid'])) {
156 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
159 if (!empty($fields['verb'])) {
160 $fields['vid'] = Verb::getID($fields['verb']);
163 if (!empty($fields['edited'])) {
164 $previous = Post::selectFirst(['edited'], $condition);
167 $rows = Post::update($fields, $condition);
168 if (is_bool($rows)) {
172 // We only need to call the line by line update for specific fields
173 if (empty($fields['body']) && empty($fields['file']) &&
174 empty($fields['attach']) && empty($fields['edited'])) {
178 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
180 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network'], $condition);
184 while ($item = DBA::fetch($items)) {
185 if (!empty($fields['body'])) {
186 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
188 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
190 // Remove all media attachments from the body and store them in the post-media table
191 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
192 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
193 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
195 if ($item['author-network'] != Protocol::DFRN) {
196 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body']);
199 Post\Content::update($item['uri-id'], $content_fields);
202 if (!empty($fields['file'])) {
203 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
206 if (!empty($fields['attach'])) {
207 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
210 // We only need to notfiy others when it is an original entry from us.
211 // Only call the notifier when the item had been edited and records had been changed.
212 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
213 $notify_items[] = $item['id'];
219 foreach ($notify_items as $notify_item) {
220 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
221 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
228 * Delete an item and notify others about it - if it was ours
230 * @param array $condition The condition for finding the item entries
231 * @param integer $priority Priority for the notification
232 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
234 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
236 $items = Post::select(['id'], $condition);
237 while ($item = Post::fetch($items)) {
238 self::markForDeletionById($item['id'], $priority);
244 * Delete an item for an user and notify others about it - if it was ours
246 * @param array $condition The condition for finding the item entries
247 * @param integer $uid User who wants to delete this item
248 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
250 public static function deleteForUser($condition, $uid)
256 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
257 while ($item = Post::fetch($items)) {
258 if (in_array($item['uid'], [$uid, 0])) {
259 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
260 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
263 if ($item['uid'] == $uid) {
264 self::markForDeletionById($item['id'], PRIORITY_HIGH);
265 } elseif ($item['uid'] != 0) {
266 Logger::notice('Wrong ownership. Not deleting item', ['id' => $item['id']]);
273 * Mark an item for deletion, delete related data and notify others about it - if it was ours
275 * @param integer $item_id
276 * @param integer $priority Priority for the notification
278 * @return boolean success
279 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
281 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
283 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
284 // locate item to be deleted
285 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
286 'deleted', 'resource-id', 'event-id',
287 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
288 $item = Post::selectFirst($fields, ['id' => $item_id]);
289 if (!DBA::isResult($item)) {
290 Logger::info('Item not found.', ['id' => $item_id]);
294 if ($item['deleted']) {
295 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
299 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
300 if (!DBA::isResult($parent)) {
301 $parent = ['origin' => false];
304 // clean up categories and tags so they don't end up as orphans
305 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
308 * If item is a link to a photo resource, nuke all the associated photos
309 * (visitors will not have photo resources)
310 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
311 * generate a resource-id and therefore aren't intimately linked to the item.
313 /// @TODO: this should first check if photo is used elsewhere
314 if (strlen($item['resource-id'])) {
315 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
318 // If item is a link to an event, delete the event.
319 if (intval($item['event-id'])) {
320 Event::delete($item['event-id']);
323 // If item has attachments, drop them
324 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
325 foreach($attachments as $attachment) {
326 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
327 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
331 // Set the item to "deleted"
332 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
333 Post::update($item_fields, ['id' => $item['id']]);
335 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
337 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
338 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
341 Post\DeliveryData::delete($item['uri-id']);
343 // If it's the parent of a comment thread, kill all the kids
344 if ($item['gravity'] == GRAVITY_PARENT) {
345 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
348 // Is it our comment and/or our thread?
349 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
350 // When we delete the original post we will delete all existing copies on the server as well
351 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
353 // send the notification upstream/downstream
355 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
357 } elseif ($item['uid'] != 0) {
358 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
359 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
362 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
367 public static function guid($item, $notify)
369 if (!empty($item['guid'])) {
370 return trim($item['guid']);
374 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
375 // We add the hash of our own host because our host is the original creator of the post.
376 $prefix_host = DI::baseUrl()->getHostname();
380 // We are only storing the post so we create a GUID from the original hostname.
381 if (!empty($item['author-link'])) {
382 $parsed = parse_url($item['author-link']);
383 if (!empty($parsed['host'])) {
384 $prefix_host = $parsed['host'];
388 if (empty($prefix_host) && !empty($item['plink'])) {
389 $parsed = parse_url($item['plink']);
390 if (!empty($parsed['host'])) {
391 $prefix_host = $parsed['host'];
395 if (empty($prefix_host) && !empty($item['uri'])) {
396 $parsed = parse_url($item['uri']);
397 if (!empty($parsed['host'])) {
398 $prefix_host = $parsed['host'];
402 // Is it in the format data@host.tld? - Used for mail contacts
403 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
404 $mailparts = explode('@', $item['author-link']);
405 $prefix_host = array_pop($mailparts);
409 if (!empty($item['plink'])) {
410 $guid = self::guidFromUri($item['plink'], $prefix_host);
411 } elseif (!empty($item['uri'])) {
412 $guid = self::guidFromUri($item['uri'], $prefix_host);
414 $guid = System::createUUID(hash('crc32', $prefix_host));
420 private static function contactId($item)
422 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
423 return $item['contact-id'];
424 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
425 return $item['contact-id'];
426 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
427 return $item['author-id'];
428 } elseif (!empty($item['contact-id'])) {
429 return $item['contact-id'];
431 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
432 if (!empty($contact_id)) {
436 return $item['author-id'];
440 * Write an item array into a spool file to be inserted later.
441 * This command is called whenever there are issues storing an item.
443 * @param array $item The item fields that are to be inserted
446 private static function spool($orig_item)
448 // Now we store the data in the spool directory
449 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
450 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
452 $spoolpath = System::getSpoolPath();
453 if ($spoolpath != "") {
454 $spool = $spoolpath . '/' . $file;
456 file_put_contents($spool, json_encode($orig_item));
457 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
462 * Check if the item array is a duplicate
465 * @return boolean is it a duplicate?
467 private static function isDuplicate(array $item)
469 // Checking if there is already an item with the same guid
470 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
471 if (Post::exists($condition)) {
472 Logger::notice('Found already existing item', $condition);
476 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
477 'network' => [$item['network'], Protocol::DFRN]];
478 if (Post::exists($condition)) {
479 Logger::notice('duplicated item with the same uri found.', $condition);
483 // On Friendica and Diaspora the GUID is unique
484 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
485 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
486 if (Post::exists($condition)) {
487 Logger::notice('duplicated item with the same guid found.', $condition);
490 } elseif ($item['network'] == Protocol::OSTATUS) {
491 // Check for an existing post with the same content. There seems to be a problem with OStatus.
492 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
493 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
494 if (Post::exists($condition)) {
495 Logger::notice('duplicated item with the same body found.', $item);
501 * Check for already added items.
502 * There is a timing issue here that sometimes creates double postings.
503 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
505 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
506 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
514 * Check if the item array is valid
517 * @return boolean item is valid
519 public static function isValid(array $item)
521 // When there is no content then we don't post it
522 if (($item['body'] . $item['title'] == '') && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
523 Logger::notice('No body, no title.');
527 if (!empty($item['uid'])) {
528 $owner = User::getOwnerDataById($item['uid'], false);
530 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
534 if ($owner['account_expired'] || $owner['account_removed']) {
535 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
540 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
541 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
545 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
546 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
550 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
551 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
555 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
556 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
560 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
564 if ($item['verb'] == Activity::FOLLOW) {
565 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
566 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
567 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
571 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
572 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
573 if (Post::exists($condition)) {
574 // It happens that we receive multiple follow requests by the same author - we only store one.
575 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
584 * Check if the item array is too old
587 * @return boolean item is too old
589 public static function isTooOld(array $item)
591 // check for create date and expire time
592 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
594 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
595 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
596 $expire_interval = $user['expire'];
599 if (($expire_interval > 0) && !empty($item['created'])) {
600 $expire_date = time() - ($expire_interval * 86400);
601 $created_date = strtotime($item['created']);
602 if ($created_date < $expire_date) {
603 Logger::notice('Item created before expiration interval.', [
604 'created' => date('c', $created_date),
605 'expired' => date('c', $expire_date),
616 * Return the id of the given item array if it has been stored before
619 * @return integer item id
621 private static function getDuplicateID(array $item)
623 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
624 $condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
625 $item['uri-id'], $item['uid'],
626 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
627 $existing = Post::selectFirst(['id', 'network'], $condition);
628 if (DBA::isResult($existing)) {
629 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
630 if ($item['uid'] != 0) {
631 Logger::notice('Item already existed for user', [
632 'uri-id' => $item['uri-id'],
633 'uid' => $item['uid'],
634 'network' => $item['network'],
635 'existing_id' => $existing["id"],
636 'existing_network' => $existing["network"]
640 return $existing["id"];
647 * Fetch top-level parent data for the given item array
650 * @return array item array with parent data
653 private static function getTopLevelParent(array $item)
655 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
656 'uri-id', 'parent-uri-id',
657 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
658 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
659 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
660 $params = ['order' => ['id' => false]];
661 $parent = Post::selectFirst($fields, $condition, $params);
663 if (!DBA::isResult($parent) && $item['origin']) {
664 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid']);
665 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
666 $parent = Post::selectFirst($fields, $condition, $params);
669 if (!DBA::isResult($parent)) {
670 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
674 if ($parent['uri-id'] == $parent['parent-uri-id']) {
678 $condition = ['uri-id' => $parent['parent-uri-id'],
679 'parent-uri-id' => $parent['parent-uri-id'],
680 'uid' => $parent['uid']];
681 $params = ['order' => ['id' => false]];
682 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
684 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
685 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid']);
686 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
687 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
690 if (!DBA::isResult($toplevel_parent)) {
691 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
695 return $toplevel_parent;
699 * Get the gravity for the given item array
702 * @return integer gravity
704 private static function getGravity(array $item)
706 $activity = DI::activity();
708 if (isset($item['gravity'])) {
709 return intval($item['gravity']);
710 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
711 return GRAVITY_PARENT;
712 } elseif ($activity->match($item['verb'], Activity::POST)) {
713 return GRAVITY_COMMENT;
714 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
715 return GRAVITY_ACTIVITY;
716 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
717 return GRAVITY_ACTIVITY;
719 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
720 return GRAVITY_UNKNOWN; // Should not happen
723 public static function insert(array $item, bool $notify = false, bool $post_local = true)
727 $priority = PRIORITY_HIGH;
729 // If it is a posting where users should get notifications, then define it as wall posting
733 $item['network'] = Protocol::DFRN;
734 $item['protocol'] = Conversation::PARCEL_DIRECT;
735 $item['direction'] = Conversation::PUSH;
737 if (in_array($notify, PRIORITIES)) {
741 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
744 $uid = intval($item['uid']);
746 $item['guid'] = self::guid($item, $notify);
747 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
750 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
752 // Backward compatibility: parent-uri used to be the direct parent uri.
753 // If it is provided without a thr-parent, it probably is the old behavior.
754 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
755 $item['parent-uri'] = $item['thr-parent'];
757 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
759 // Store conversation data
760 $item = Conversation::insert($item);
763 * Do we already have this item?
764 * We have to check several networks since Friendica posts could be repeated
765 * via OStatus (maybe Diasporsa as well)
767 $duplicate = self::getDuplicateID($item);
772 // Additional duplicate checks
773 /// @todo Check why the first duplication check returns the item number and the second a 0
774 if (self::isDuplicate($item)) {
778 if (!isset($item['post-type'])) {
779 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
782 $item['wall'] = intval($item['wall'] ?? 0);
783 $item['extid'] = trim($item['extid'] ?? '');
784 $item['author-name'] = trim($item['author-name'] ?? '');
785 $item['author-link'] = trim($item['author-link'] ?? '');
786 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
787 $item['owner-name'] = trim($item['owner-name'] ?? '');
788 $item['owner-link'] = trim($item['owner-link'] ?? '');
789 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
790 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
791 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
792 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
793 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
794 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
795 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
796 $item['location'] = trim($item['location'] ?? '');
797 $item['coord'] = trim($item['coord'] ?? '');
798 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
799 $item['deleted'] = 0;
800 $item['verb'] = trim($item['verb'] ?? '');
801 $item['object-type'] = trim($item['object-type'] ?? '');
802 $item['object'] = trim($item['object'] ?? '');
803 $item['target-type'] = trim($item['target-type'] ?? '');
804 $item['target'] = trim($item['target'] ?? '');
805 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
806 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
807 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
808 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
809 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
810 $item['private'] = intval($item['private'] ?? self::PUBLIC);
811 $item['body'] = trim($item['body'] ?? '');
812 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
813 $item['app'] = trim($item['app'] ?? '');
814 $item['origin'] = intval($item['origin'] ?? 0);
815 $item['postopts'] = trim($item['postopts'] ?? '');
816 $item['resource-id'] = trim($item['resource-id'] ?? '');
817 $item['event-id'] = intval($item['event-id'] ?? 0);
818 $item['inform'] = trim($item['inform'] ?? '');
819 $item['file'] = trim($item['file'] ?? '');
821 // Items cannot be stored before they happen ...
822 if ($item['created'] > DateTimeFormat::utcNow()) {
823 $item['created'] = DateTimeFormat::utcNow();
826 // We haven't invented time travel by now.
827 if ($item['edited'] > DateTimeFormat::utcNow()) {
828 $item['edited'] = DateTimeFormat::utcNow();
831 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
833 $item['gravity'] = self::getGravity($item);
835 $item['language'] = self::getLanguage($item);
837 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
838 'photo' => $item['author-avatar'], 'network' => $item['network']];
839 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
841 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
842 'photo' => $item['owner-avatar'], 'network' => $item['network']];
843 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
845 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
846 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
847 $item['post-reason'] = self::PR_FOLLOWER;
850 // Ensure that there is an avatar cache
851 Contact::checkAvatarCache($item['author-id']);
852 Contact::checkAvatarCache($item['owner-id']);
854 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
855 $item["contact-id"] = self::contactId($item);
857 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
858 self::isTooOld($item)) {
859 Logger::info('Item is too old', ['item' => $item]);
863 if (!self::isValid($item)) {
867 if ($item['gravity'] !== GRAVITY_PARENT) {
868 $toplevel_parent = self::getTopLevelParent($item);
869 if (empty($toplevel_parent)) {
873 // If the thread originated from this node, we check the permission against the thread starter
874 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
875 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
876 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
880 $parent_id = $toplevel_parent['id'];
881 $item['parent-uri'] = $toplevel_parent['uri'];
882 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
883 $item['deleted'] = $toplevel_parent['deleted'];
884 $item['allow_cid'] = $toplevel_parent['allow_cid'];
885 $item['allow_gid'] = $toplevel_parent['allow_gid'];
886 $item['deny_cid'] = $toplevel_parent['deny_cid'];
887 $item['deny_gid'] = $toplevel_parent['deny_gid'];
888 $parent_origin = $toplevel_parent['origin'];
890 // Don't federate received participation messages
891 if ($item['verb'] != Activity::FOLLOW) {
892 $item['wall'] = $toplevel_parent['wall'];
894 $item['wall'] = false;
895 // Participations are technical messages, so they are set to "seen" automatically
896 $item['unseen'] = false;
900 * If the parent is private, force privacy for the entire conversation
901 * This differs from the above settings as it subtly allows comments from
902 * email correspondents to be private even if the overall thread is not.
904 if ($toplevel_parent['private']) {
905 $item['private'] = $toplevel_parent['private'];
909 * Edge case. We host a public forum that was originally posted to privately.
910 * The original author commented, but as this is a comment, the permissions
911 * weren't fixed up so it will still show the comment as private unless we fix it here.
913 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
914 $item['private'] = self::PUBLIC;
917 // If its a post that originated here then tag the thread as "mention"
918 if ($item['origin'] && $item['uid']) {
919 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
920 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
923 // Update the contact relations
924 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
927 $parent_origin = $item['origin'];
930 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
931 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
933 // Is this item available in the global items (with uid=0)?
934 if ($item["uid"] == 0) {
935 $item["global"] = true;
937 // Set the global flag on all items if this was a global item entry
938 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
940 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
944 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
945 $item["private"] = self::PRIVATE;
948 if ($notify && $post_local) {
949 $item['edit'] = false;
950 $item['parent'] = $parent_id;
952 // Trigger automatic reactions for addons
953 if (!isset($item['api_source'])) {
954 $item['api_source'] = true;
957 // We have to tell the hooks who we are - this really should be improved
959 $_SESSION['authenticated'] = true;
960 $_SESSION['uid'] = $uid;
961 $dummy_session = true;
963 $dummy_session = false;
966 Hook::callAll('post_local', $item);
968 if ($dummy_session) {
969 unset($_SESSION['authenticated']);
970 unset($_SESSION['uid']);
972 } elseif (!$notify) {
973 Hook::callAll('post_remote', $item);
976 if (!empty($item['cancel'])) {
977 Logger::notice('post cancelled by addon.');
981 if (empty($item['vid']) && !empty($item['verb'])) {
982 $item['vid'] = Verb::getID($item['verb']);
985 // Creates or assigns the permission set
986 $item['psid'] = DI::permissionSet()->selectOrCreate(
987 DI::permissionSetFactory()->createFromString(
995 if (!empty($item['extid'])) {
996 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
999 if ($item['verb'] == Activity::ANNOUNCE) {
1000 self::setOwnerforResharedItem($item);
1003 if (isset($item['attachments'])) {
1004 foreach ($item['attachments'] as $attachment) {
1005 $attachment['uri-id'] = $item['uri-id'];
1006 Post\Media::insert($attachment);
1008 unset($item['attachments']);
1011 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1013 // Remove all media attachments from the body and store them in the post-media table
1014 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1015 $item['raw-body'] = self::setHashtags($item['raw-body']);
1017 if (!DBA::exists('contact', ['id' => $item['author-id'], 'network' => Protocol::DFRN])) {
1018 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body']);
1021 // Check for hashtags in the body and repair or add hashtag links
1022 $item['body'] = self::setHashtags($item['body']);
1024 if (stristr($item['verb'], Activity::POKE)) {
1025 $notify_type = Delivery::POKE;
1027 $notify_type = Delivery::POST;
1030 // Filling item related side tables
1031 if (!empty($item['attach'])) {
1032 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1035 if (empty($item['event-id'])) {
1036 unset($item['event-id']);
1038 $ev = Event::fromBBCode($item['body']);
1039 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1040 Logger::info('Event found.');
1041 $ev['cid'] = $item['contact-id'];
1042 $ev['uid'] = $item['uid'];
1043 $ev['uri'] = $item['uri'];
1044 $ev['edited'] = $item['edited'];
1045 $ev['private'] = $item['private'];
1046 $ev['guid'] = $item['guid'];
1047 $ev['plink'] = $item['plink'];
1048 $ev['network'] = $item['network'];
1049 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1050 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1051 $ev['source'] = $item['source'] ?? '';
1053 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1054 if (DBA::isResult($event)) {
1055 $ev['id'] = $event['id'];
1058 $event_id = Event::store($ev);
1059 $item = Event::getItemArrayForImportedId($event_id, $item);
1061 Logger::info('Event was stored', ['id' => $event_id]);
1065 if (empty($item['causer-id'])) {
1066 unset($item['causer-id']);
1069 Post::insert($item['uri-id'], $item);
1071 if ($item['gravity'] == GRAVITY_PARENT) {
1072 Post\Thread::insert($item['uri-id'], $item);
1075 if (!in_array($item['verb'], self::ACTIVITIES)) {
1076 Post\Content::insert($item['uri-id'], $item);
1079 // Create Diaspora signature
1080 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != GRAVITY_PARENT)) {
1081 $signed = Diaspora::createCommentSignature($item);
1082 if (!empty($signed)) {
1083 $item['diaspora_signed_text'] = json_encode($signed);
1087 if (!empty($item['diaspora_signed_text'])) {
1088 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1091 // Attached file links
1092 if (!empty($item['file'])) {
1093 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1096 // Delivery relevant data
1097 $delivery_data = Post\DeliveryData::extractFields($item);
1099 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1100 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1103 // Store tags from the body if this hadn't been handled previously in the protocol classes
1104 if (!Tag::existsForPost($item['uri-id'])) {
1105 Tag::storeFromBody($item['uri-id'], $item['body']);
1108 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1109 if (Post::exists($condition)) {
1110 Logger::notice('Item is already inserted - aborting', $condition);
1114 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1115 if (!$post_user_id) {
1116 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1120 if ($item['gravity'] == GRAVITY_PARENT) {
1121 $item['post-user-id'] = $post_user_id;
1122 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1125 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1127 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1128 if (!DBA::isResult($posted_item)) {
1129 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1130 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1131 self::spool($orig_item);
1135 // update the commented timestamp on the parent
1136 if (DI::config()->get('system', 'like_no_comment')) {
1137 // Update when it is a comment
1138 $update_commented = in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1140 // Update when it isn't a follow or tag verb
1141 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1144 if ($update_commented) {
1145 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1147 $fields = ['changed' => DateTimeFormat::utcNow()];
1150 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1152 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1153 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1154 // Get the user information for the logging
1155 $user = User::getById($uid);
1157 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1162 if (!\Friendica\Content\Feature::isEnabled($posted_item['uid'], 'explicit_mentions') && ($posted_item['gravity'] == GRAVITY_COMMENT)) {
1163 Tag::createImplicitMentions($posted_item['uri-id'], $posted_item['thr-parent-id']);
1165 Hook::callAll('post_local_end', $posted_item);
1167 Hook::callAll('post_remote_end', $posted_item);
1170 if ($posted_item['gravity'] === GRAVITY_PARENT) {
1171 self::addShadow($post_user_id);
1173 self::addShadowPost($post_user_id);
1176 self::updateContact($posted_item);
1178 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1180 // Distribute items to users who subscribed to their tags
1181 self::distributeByTags($posted_item);
1183 // Automatically reshare the item if the "remote_self" option is selected
1184 self::autoReshare($posted_item);
1186 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1189 // Don't relay participation messages
1190 if (($posted_item['verb'] == Activity::FOLLOW) &&
1191 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1192 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1198 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1201 return $post_user_id;
1205 * Change the owner of a parent item if it had been shared by a forum
1207 * (public) forum posts in the new format consist of the regular post by the author
1208 * followed by an announce message sent from the forum account.
1209 * Changing the owner helps in grouping forum posts.
1211 * @param array $item
1214 private static function setOwnerforResharedItem(array $item)
1216 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1217 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1218 if (!DBA::isResult($parent)) {
1219 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1223 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1224 if (!DBA::isResult($author)) {
1225 Logger::error('Author not found', ['id' => $item['author-id']]);
1229 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1230 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1231 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1235 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1236 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1237 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1241 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1242 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1247 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1248 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1252 * Distribute the given item to users who subscribed to their tags
1254 * @param array $item Processed item
1256 private static function distributeByTags(array $item)
1258 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1262 $uids = Tag::getUIDListByURIId($item['uri-id']);
1263 foreach ($uids as $uid) {
1264 if (Contact::isSharing($item['author-id'], $uid)) {
1267 $fields = ['post-reason' => self::PR_TAG];
1270 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1271 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1276 * Distributes public items to the receivers
1278 * @param integer $itemid Item ID that should be added
1279 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1280 * @throws \Exception
1282 public static function distribute($itemid, $signed_text = '')
1284 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1285 $parent = Post::selectFirst(['owner-id'], $condition);
1286 if (!DBA::isResult($parent)) {
1287 Logger::warning('Item not found', ['condition' => $condition]);
1291 // Only distribute public items from native networks
1292 $condition = ['id' => $itemid, 'uid' => 0,
1293 'network' => array_merge(Protocol::FEDERATED ,['']),
1294 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1295 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1296 if (!DBA::isResult($item)) {
1297 Logger::warning('Item not found', ['condition' => $condition]);
1301 $origin = $item['origin'];
1305 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1306 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1307 if (!DBA::isResult($owner)) {
1311 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1312 $contacts = DBA::select('contact', ['uid'], $condition);
1313 while ($contact = DBA::fetch($contacts)) {
1314 if ($contact['uid'] == 0) {
1318 $users[$contact['uid']] = $contact['uid'];
1320 DBA::close($contacts);
1322 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1323 $contacts = DBA::select('contact', ['uid'], $condition);
1324 while ($contact = DBA::fetch($contacts)) {
1325 if ($contact['uid'] == 0) {
1329 $users[$contact['uid']] = $contact['uid'];
1331 DBA::close($contacts);
1333 if (!empty($owner['alias'])) {
1334 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1335 $contacts = DBA::select('contact', ['uid'], $condition);
1336 while ($contact = DBA::fetch($contacts)) {
1337 if ($contact['uid'] == 0) {
1341 $users[$contact['uid']] = $contact['uid'];
1343 DBA::close($contacts);
1348 if ($item['uri-id'] != $item['parent-uri-id']) {
1349 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1350 while ($parent = Post::fetch($parents)) {
1351 $users[$parent['uid']] = $parent['uid'];
1352 if ($parent['origin'] && !$origin) {
1353 $origin_uid = $parent['uid'];
1356 DBA::close($parents);
1359 foreach ($users as $uid) {
1360 if ($origin_uid == $uid) {
1361 $item['diaspora_signed_text'] = $signed_text;
1363 self::storeForUser($item, $uid);
1368 * Store a public item defined by their URI-ID for the given users
1370 * @param integer $uri_id URI-ID of the given item
1371 * @param integer $uid The user that will receive the item entry
1372 * @param array $fields Additional fields to be stored
1373 * @param integer $source_uid User id of the source post
1374 * @return integer stored item id
1376 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0)
1378 if ($uid == $source_uid) {
1379 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1383 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => $source_uid]);
1384 if (!DBA::isResult($item)) {
1385 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1389 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1390 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']]);
1394 $item['post-reason'] = self::PR_STORED;
1396 $item = array_merge($item, $fields);
1398 $is_reshare = ($item['gravity'] == GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1400 if ((($item['gravity'] == GRAVITY_PARENT) || $is_reshare) &&
1401 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') &&
1402 !Contact::isSharingByURL($item['author-link'], $uid) &&
1403 !Contact::isSharingByURL($item['owner-link'], $uid)) {
1404 Logger::info('Contact is not a follower, thread will not be stored', ['author' => $item['author-link'], 'uid' => $uid]);
1408 if ((($item['gravity'] == GRAVITY_COMMENT) || $is_reshare) && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1409 // Only do an auto complete with the source uid "0" to prevent privavy problems
1410 $causer = $item['causer-id'] ?: $item['author-id'];
1411 $result = self::storeForUserByUriId($item['thr-parent-id'], $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED]);
1412 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer, 'result' => $result]);
1415 $stored = self::storeForUser($item, $uid);
1416 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'source-uid' => $source_uid, 'stored' => $stored]);
1421 * Store a public item array for the given users
1423 * @param array $item The item entry that will be stored
1424 * @param integer $uid The user that will receive the item entry
1425 * @return integer stored item id
1426 * @throws \Exception
1428 private static function storeForUser(array $item, int $uid)
1430 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1431 if (!empty($item['event-id'])) {
1432 $post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1433 if (!empty($post['event-id'])) {
1434 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish', 'adjust'], ['id' => $item['event-id']]);
1435 if (!empty($event)) {
1436 // We aren't using "Event::store" here, since we don't want to trigger any further action
1437 $ret = DBA::update('event', $event, ['id' => $post['event-id']]);
1438 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $post['event-id'], 'ret' => $ret]);
1442 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1447 unset($item['mention']);
1448 unset($item['starred']);
1449 unset($item['unseen']);
1450 unset($item['psid']);
1451 unset($item['pinned']);
1452 unset($item['ignored']);
1453 unset($item['pubmail']);
1454 unset($item['forum_mode']);
1456 unset($item['event-id']);
1457 unset($item['hidden']);
1458 unset($item['notification-type']);
1460 $item['uid'] = $uid;
1461 $item['origin'] = 0;
1464 if ($item['gravity'] == GRAVITY_PARENT) {
1465 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1467 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1470 if (!empty($contact['id'])) {
1471 $item['contact-id'] = $contact['id'];
1473 // Shouldn't happen at all
1474 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1475 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1476 if (!DBA::isResult($self)) {
1477 // Shouldn't happen even less
1478 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1481 $item['contact-id'] = $self['id'];
1485 if ($item['gravity'] == GRAVITY_PARENT) {
1486 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1487 if (DBA::isResult($contact)) {
1488 $notify = self::isRemoteSelf($contact, $item);
1492 $distributed = self::insert($item, $notify);
1494 if (!$distributed) {
1495 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1497 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1499 return $distributed;
1503 * Add a shadow entry for a given item id that is a thread starter
1505 * We store every public item entry additionally with the user id "0".
1506 * This is used for the community page and for the search.
1507 * It is planned that in the future we will store public item entries only once.
1509 * @param integer $itemid Item ID that should be added
1510 * @throws \Exception
1512 private static function addShadow($itemid)
1514 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1515 $condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
1516 $item = Post::selectFirst($fields, $condition);
1518 if (!DBA::isResult($item)) {
1522 // is it already a copy?
1523 if (($itemid == 0) || ($item['uid'] == 0)) {
1527 // Is it a visible public post?
1528 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1532 // is it an entry from a connector? Only add an entry for natively connected networks
1533 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1537 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1541 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1543 if (DBA::isResult($item)) {
1544 // Preparing public shadow (removing user specific data)
1547 unset($item['parent']);
1548 unset($item['wall']);
1549 unset($item['mention']);
1550 unset($item['origin']);
1551 unset($item['starred']);
1552 unset($item['postopts']);
1553 unset($item['inform']);
1554 unset($item['post-reason']);
1555 if ($item['uri-id'] == $item['parent-uri-id']) {
1556 $item['contact-id'] = $item['owner-id'];
1558 $item['contact-id'] = $item['author-id'];
1561 $public_shadow = self::insert($item);
1563 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1568 * Add a shadow entry for a given item id that is a comment
1570 * This function does the same like the function above - but for comments
1572 * @param integer $itemid Item ID that should be added
1573 * @throws \Exception
1575 private static function addShadowPost($itemid)
1577 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1578 if (!DBA::isResult($item)) {
1582 // Is it a toplevel post?
1583 if ($item['gravity'] == GRAVITY_PARENT) {
1584 self::addShadow($itemid);
1588 // Is this a shadow entry?
1589 if ($item['uid'] == 0) {
1593 // Is there a shadow parent?
1594 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1598 // Is there already a shadow entry?
1599 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1603 // Save "origin" and "parent" state
1604 $origin = $item['origin'];
1605 $parent = $item['parent'];
1607 // Preparing public shadow (removing user specific data)
1610 unset($item['parent']);
1611 unset($item['wall']);
1612 unset($item['mention']);
1613 unset($item['origin']);
1614 unset($item['starred']);
1615 unset($item['postopts']);
1616 unset($item['inform']);
1617 unset($item['post-reason']);
1618 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1620 $public_shadow = self::insert($item);
1622 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1624 // If this was a comment to a Diaspora post we don't get our comment back.
1625 // This means that we have to distribute the comment by ourselves.
1626 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1627 self::distribute($public_shadow);
1632 * Adds a language specification in a "language" element of given $arr.
1633 * Expects "body" element to exist in $arr.
1635 * @param array $item
1636 * @return string detected language
1637 * @throws \Text_LanguageDetect_Exception
1639 private static function getLanguage(array $item)
1641 if (!empty($item['language'])) {
1642 return $item['language'];
1645 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1649 // Convert attachments to links
1650 $naked_body = BBCode::removeAttachment($item['body']);
1651 if (empty($naked_body)) {
1655 // Remove links and pictures
1656 $naked_body = BBCode::removeLinks($naked_body);
1658 // Convert the title and the body to plain text
1659 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1661 // Remove possibly remaining links
1662 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1664 if (empty($naked_body)) {
1668 $availableLanguages = DI::l10n()->getAvailableLanguages();
1669 // See https://github.com/friendica/friendica/issues/10511
1670 // Persian is manually added to language detection until a persian translation is provided for the interface, at
1671 // which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
1672 $availableLanguages['fa'] = 'fa';
1674 $ld = new Language($availableLanguages);
1675 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1676 if (is_array($languages)) {
1677 return json_encode($languages);
1683 public static function getLanguageMessage(array $item)
1685 $iso639 = new \Matriphe\ISO639\ISO639;
1687 $used_languages = '';
1688 foreach (json_decode($item['language'], true) as $language => $reliability) {
1689 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1691 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1692 return $used_languages;
1696 * Creates an unique guid out of a given uri
1698 * @param string $uri uri of an item entry
1699 * @param string $host hostname for the GUID prefix
1700 * @return string unique guid
1702 public static function guidFromUri($uri, $host)
1704 // Our regular guid routine is using this kind of prefix as well
1705 // We have to avoid that different routines could accidentally create the same value
1706 $parsed = parse_url($uri);
1708 // We use a hash of the hostname as prefix for the guid
1709 $guid_prefix = hash("crc32", $host);
1711 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1712 unset($parsed["scheme"]);
1714 // Glue it together to be able to make a hash from it
1715 $host_id = implode("/", $parsed);
1717 // We could use any hash algorithm since it isn't a security issue
1718 $host_hash = hash("ripemd128", $host_id);
1720 return $guid_prefix.$host_hash;
1724 * generate an unique URI
1726 * @param integer $uid User id
1727 * @param string $guid An existing GUID (Otherwise it will be generated)
1730 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1732 public static function newURI($uid, $guid = "")
1735 $guid = System::createUUID();
1738 return DI::baseUrl()->get() . '/objects/' . $guid;
1742 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1744 * This can be used to filter for inactive contacts.
1745 * Only do this for public postings to avoid privacy problems, since poco data is public.
1746 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1748 * @param array $arr Contains the just posted item record
1749 * @throws \Exception
1751 private static function updateContact($arr)
1753 // Unarchive the author
1754 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1755 if (DBA::isResult($contact)) {
1756 Contact::unmarkForArchival($contact);
1759 // Unarchive the contact if it's not our own contact
1760 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1761 if (DBA::isResult($contact)) {
1762 Contact::unmarkForArchival($contact);
1765 /// @todo On private posts we could obfuscate the date
1766 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1768 // Is it a forum? Then we don't care about the rules from above
1769 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1770 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1776 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1777 // So we have to ensure to only update the last item when it had been our own post,
1778 // or it had been done by a "regular" contact.
1779 if (!empty($arr['wall'])) {
1780 $condition = ['id' => $arr['contact-id']];
1782 $condition = ['id' => $arr['contact-id'], 'self' => false];
1784 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1786 // Now do the same for the system wide contacts with uid=0
1787 if ($arr['private'] != self::PRIVATE) {
1788 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1789 ['id' => $arr['owner-id']]);
1791 if ($arr['owner-id'] != $arr['author-id']) {
1792 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1793 ['id' => $arr['author-id']]);
1798 public static function setHashtags($body)
1800 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1801 $tags = BBCode::getTags($body);
1804 if (!count($tags)) {
1808 // This sorting is important when there are hashtags that are part of other hashtags
1809 // Otherwise there could be problems with hashtags like #test and #test2
1810 // Because of this we are sorting from the longest to the shortest tag.
1811 usort($tags, function ($a, $b) {
1812 return strlen($b) <=> strlen($a);
1815 $URLSearchString = "^\[\]";
1817 // All hashtags should point to the home server if "local_tags" is activated
1818 if (DI::config()->get('system', 'local_tags')) {
1819 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1820 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1823 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1824 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1826 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1829 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1831 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1834 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
1836 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1839 // Repair recursive urls
1840 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1843 foreach ($tags as $tag) {
1844 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1848 $basetag = str_replace('_', ' ', substr($tag, 1));
1849 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1851 $body = str_replace($tag, $newtag, $body);
1854 // Convert back the masked hashtags
1855 $body = str_replace("#", "#", $body);
1864 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1867 * @param int $item_id
1868 * @return boolean true if item was deleted, else false
1869 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1870 * @throws \ImagickException
1872 private static function tagDeliver($uid, $item_id)
1876 $owner = User::getOwnerDataById($uid);
1877 if (!DBA::isResult($owner)) {
1878 Logger::warning('User not found, quitting.', ['uid' => $uid]);
1882 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
1883 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
1887 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1888 if (!DBA::isResult($item)) {
1889 Logger::warning('Post not found, quitting.', ['id' => $item_id]);
1893 if ($item['wall'] || $item['origin'] || ($item['gravity'] != GRAVITY_PARENT)) {
1894 Logger::debug('Wall item, origin item or no parent post, quitting here.', ['wall' => $item['wall'], 'origin' => $item['origin'], 'gravity' => $item['gravity'], 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1898 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1899 foreach ($tags as $tag) {
1900 if (Strings::compareLink($owner['url'], $tag['url'])) {
1902 Logger::info('Mention found in tag.', ['url' => $tag['url'], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1906 // This check can most likely be removed since we always are having the tags
1908 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1910 foreach ($matches as $mtch) {
1911 if (Strings::compareLink($owner['url'], $mtch[1])) {
1913 Logger::notice('Mention found in body.', ['mention' => $mtch[2], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1920 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1921 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1925 $arr = ['item' => $item, 'user' => $owner];
1927 Hook::callAll('tagged', $arr);
1929 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1931 self::performActivity($item['id'], 'announce', $uid);
1934 * All the following lines are only needed for private forums and compatibility to older systems without AP support.
1935 * A possible way would be that the followers list of a forum would always be readable by all followers.
1936 * So this would mean that the comment distribution could be done exactly for the intended audience.
1937 * Or possibly we could store the receivers that had been in the "announce" message above and use this.
1940 // also reset all the privacy bits to the forum default permissions
1941 if ($owner['allow_cid'] || $owner['allow_gid'] || $owner['deny_cid'] || $owner['deny_gid']) {
1942 $private = self::PRIVATE;
1943 } elseif (DI::pConfig()->get($owner['uid'], 'system', 'unlisted')) {
1944 $private = self::UNLISTED;
1946 $private = self::PUBLIC;
1949 $permissionSet = DI::permissionSet()->selectOrCreate(
1950 DI::permissionSetFactory()->createFromString(
1952 $owner['allow_cid'],
1953 $owner['allow_gid'],
1958 $forum_mode = ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? 2 : 1;
1960 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $owner['id'],
1961 'owner-id' => Contact::getPublicIdByUserId($uid), 'private' => $private, 'psid' => $permissionSet->id];
1962 self::update($fields, ['id' => $item['id']]);
1964 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, (int)$item['uri-id'], (int)$item['uid']);
1966 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1971 * Automatically reshare the item if the "remote_self" option is selected
1973 * @param array $item
1976 private static function autoReshare(array $item)
1978 if ($item['gravity'] != GRAVITY_PARENT) {
1982 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
1986 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1990 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1992 self::performActivity($item['id'], 'announce', $item['uid']);
1995 public static function isRemoteSelf($contact, &$datarray)
1997 if (!$contact['remote_self']) {
2001 // Prevent the forwarding of posts that are forwarded
2002 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2003 Logger::info('Already forwarded');
2007 // Prevent to forward already forwarded posts
2008 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2009 Logger::info('Already forwarded (second test)');
2013 // Only forward posts
2014 if ($datarray["verb"] != Activity::POST) {
2015 Logger::info('No post');
2019 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2020 Logger::info('Not public');
2024 $datarray2 = $datarray;
2025 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2026 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2027 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2028 ['uid' => $contact['uid'], 'self' => true]);
2029 if (DBA::isResult($self)) {
2030 $datarray['contact-id'] = $self["id"];
2032 $datarray['owner-name'] = $self["name"];
2033 $datarray['owner-link'] = $self["url"];
2034 $datarray['owner-avatar'] = $self["thumb"];
2036 $datarray['author-name'] = $datarray['owner-name'];
2037 $datarray['author-link'] = $datarray['owner-link'];
2038 $datarray['author-avatar'] = $datarray['owner-avatar'];
2040 unset($datarray['edited']);
2042 unset($datarray['network']);
2043 unset($datarray['owner-id']);
2044 unset($datarray['author-id']);
2047 if ($contact['network'] != Protocol::FEED) {
2048 $old_uri_id = $datarray["uri-id"] ?? 0;
2049 $datarray["guid"] = System::createUUID();
2050 unset($datarray["plink"]);
2051 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2052 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2053 $datarray["extid"] = Protocol::DFRN;
2054 $urlpart = parse_url($datarray2['author-link']);
2055 $datarray["app"] = $urlpart["host"];
2056 if (!empty($old_uri_id)) {
2057 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2060 unset($datarray["parent-uri"]);
2061 unset($datarray["thr-parent"]);
2063 $datarray['private'] = self::PUBLIC;
2067 if ($contact['network'] != Protocol::FEED) {
2068 // Store the original post
2069 $result = self::insert($datarray2);
2070 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2072 $datarray["app"] = "Feed";
2076 return (bool)$result;
2083 * @param array $item
2086 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2087 * @throws \ImagickException
2089 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2091 if (DI::config()->get('system', 'disable_embedded')) {
2095 Logger::info('check for photos');
2096 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2101 $img_start = strpos($orig_body, '[img');
2102 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2103 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2105 while (($img_st_close !== false) && ($img_len !== false)) {
2106 $img_st_close++; // make it point to AFTER the closing bracket
2107 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2109 Logger::info('found photo', ['image' => $image]);
2111 if (stristr($image, $site . '/photo/')) {
2112 // Only embed locally hosted photos
2114 $i = basename($image);
2115 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2116 $x = strpos($i, '-');
2119 $res = substr($i, $x + 1);
2120 $i = substr($i, 0, $x);
2121 $photo = Photo::getPhotoForUser($uid, $i, $res);
2122 if (DBA::isResult($photo)) {
2124 * Check to see if we should replace this photo link with an embedded image
2125 * 1. No need to do so if the photo is public
2126 * 2. If there's a contact-id provided, see if they're in the access list
2127 * for the photo. If so, embed it.
2128 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2129 * permissions, regardless of order but first check to see if they're an exact
2130 * match to save some processing overhead.
2132 if (self::hasPermissions($photo)) {
2134 $recips = self::enumeratePermissions($photo);
2135 if (in_array($cid, $recips)) {
2139 if (self::samePermissions($uid, $item, $photo)) {
2145 $photo_img = Photo::getImageForPhoto($photo);
2146 // If a custom width and height were specified, apply before embedding
2147 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2148 Logger::info('scaling photo');
2150 $width = intval($match[1]);
2151 $height = intval($match[2]);
2153 $photo_img->scaleDown(max($width, $height));
2156 $data = $photo_img->asString();
2157 $type = $photo_img->getType();
2159 Logger::info('replacing photo');
2160 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2161 Logger::debug('replaced', ['image' => $image]);
2167 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2168 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2169 if ($orig_body === false) {
2173 $img_start = strpos($orig_body, '[img');
2174 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2175 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2178 $new_body = $new_body . $orig_body;
2183 private static function hasPermissions($obj)
2185 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2186 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2189 private static function samePermissions($uid, $obj1, $obj2)
2191 // first part is easy. Check that these are exactly the same.
2192 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2193 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2194 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2195 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2199 // This is harder. Parse all the permissions and compare the resulting set.
2200 $recipients1 = self::enumeratePermissions($obj1);
2201 $recipients2 = self::enumeratePermissions($obj2);
2205 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2206 return ($recipients1 == $recipients2);
2210 * Returns an array of contact-ids that are allowed to see this object
2212 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2213 * @param bool $check_dead Prunes unavailable contacts from the result
2215 * @throws \Exception
2217 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2219 $aclFormater = DI::aclFormatter();
2221 $allow_people = $aclFormater->expand($obj['allow_cid']);
2222 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2223 $deny_people = $aclFormater->expand($obj['deny_cid']);
2224 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2225 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2226 $deny = array_unique(array_merge($deny_people, $deny_groups));
2227 $recipients = array_diff($recipients, $deny);
2231 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2233 if (!$uid || ($days < 1)) {
2237 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2238 $uid, GRAVITY_PARENT];
2241 * $expire_network_only = save your own wall posts
2242 * and just expire conversations started by others
2244 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2246 if ($expire_network_only) {
2247 $condition[0] .= " AND NOT `wall`";
2250 if ($network != "") {
2251 $condition[0] .= " AND `network` = ?";
2252 $condition[] = $network;
2255 $condition[0] .= " AND `received` < ?";
2256 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2258 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2260 if (!DBA::isResult($items)) {
2264 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2266 // Forcing expiring of items - but not notes and marked items
2268 $expire_items = true;
2271 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2272 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2273 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2277 $priority = DI::config()->get('system', 'expire-notify-priority');
2279 while ($item = Post::fetch($items)) {
2280 // don't expire filed items
2281 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2285 // Only expire posts, not photos and photo comments
2287 if (!$expire_photos && !empty($item['resource-id'])) {
2289 } elseif (!$expire_starred && intval($item['starred'])) {
2291 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2293 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2297 self::markForDeletionById($item['id'], $priority);
2302 Logger::notice('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2305 public static function firstPostDate($uid, $wall = false)
2307 $user = User::getById($uid, ['register_date']);
2312 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2313 $uid, $wall, $user['register_date']];
2314 $params = ['order' => ['received' => false]];
2315 $thread = Post::selectFirstThread(['received'], $condition, $params);
2316 if (DBA::isResult($thread)) {
2317 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2324 * add/remove activity to an item
2326 * Toggle activities as like,dislike,attend of an item
2328 * @param int $item_id
2329 * @param string $verb
2330 * Activity verb. One of
2331 * like, unlike, dislike, undislike, attendyes, unattendyes,
2332 * attendno, unattendno, attendmaybe, unattendmaybe,
2333 * announce, unannouce
2335 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2336 * @throws \ImagickException
2337 * @hook 'post_local_end'
2339 * 'post_id' => ID of posted item
2341 public static function performActivity(int $item_id, string $verb, int $uid)
2347 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2349 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2350 if (!DBA::isResult($item)) {
2351 Logger::notice('like: unknown item', ['id' => $item_id]);
2355 $uri_id = $item['uri-id'];
2357 if (!in_array($item['uid'], [0, $uid])) {
2361 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2362 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2363 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2364 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2365 if (!DBA::isResult($item)) {
2366 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2372 // Retrieves the local post owner
2373 $owner = User::getOwnerDataById($uid);
2374 if (empty($owner)) {
2375 Logger::info('Empty owner for user', ['uid' => $uid]);
2379 // Retrieve the current logged in user's public contact
2380 $author_id = Contact::getIdForURL($owner['url']);
2381 if (empty($author_id)) {
2382 Logger::info('Empty public contact');
2390 $activity = Activity::LIKE;
2394 $activity = Activity::DISLIKE;
2398 $activity = Activity::ATTEND;
2402 $activity = Activity::ATTENDNO;
2405 case 'unattendmaybe':
2406 $activity = Activity::ATTENDMAYBE;
2410 $activity = Activity::FOLLOW;
2414 $activity = Activity::ANNOUNCE;
2417 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2421 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2423 // Enable activity toggling instead of on/off
2424 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2426 // Look for an existing verb row
2427 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2428 if ($event_verb_flag) {
2429 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2431 // Translate to the index based activity index
2433 foreach ($verbs as $verb) {
2434 $vids[] = Verb::getID($verb);
2437 $vids = Verb::getID($activity);
2440 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2441 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2442 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2444 if (DBA::isResult($like_item)) {
2446 * Truth table for existing activities
2448 * | Inputs || Outputs |
2449 * |----------------------------||-------------------|
2450 * | Mode | Event | Same verb || Delete? | Return? |
2451 * |--------|-------|-----------||---------|---------|
2452 * | create | Yes | Yes || No | Yes |
2453 * | create | Yes | No || Yes | No |
2454 * | create | No | Yes || No | Yes |
2455 * | create | No | No || N/A†|
2456 * | delete | Yes | Yes || Yes | N/A‡ |
2457 * | delete | Yes | No || No | N/A‡ |
2458 * | delete | No | Yes || Yes | N/A‡ |
2459 * | delete | No | No || N/A†|
2460 * |--------|-------|-----------||---------|---------|
2461 * | A | B | C || A xor C | !B or C |
2463 * †Can't happen: It's impossible to find an existing non-event activity without
2464 * the same verb because we are only looking for this single verb.
2466 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2468 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2469 self::markForDeletionById($like_item['id']);
2472 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2477 // No need to go further if we aren't creating anything
2478 if ($mode == 'delete') {
2482 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2485 'guid' => System::createUUID(),
2486 'uri' => self::newURI($item['uid']),
2487 'uid' => $item['uid'],
2488 'contact-id' => $owner['id'],
2489 'wall' => $item['wall'],
2491 'network' => Protocol::DFRN,
2492 'protocol' => Conversation::PARCEL_DIRECT,
2493 'direction' => Conversation::PUSH,
2494 'gravity' => GRAVITY_ACTIVITY,
2495 'parent' => $item['id'],
2496 'thr-parent' => $item['uri'],
2497 'owner-id' => $author_id,
2498 'author-id' => $author_id,
2499 'body' => $activity,
2500 'verb' => $activity,
2501 'object-type' => $objtype,
2502 'allow_cid' => $item['allow_cid'],
2503 'allow_gid' => $item['allow_gid'],
2504 'deny_cid' => $item['deny_cid'],
2505 'deny_gid' => $item['deny_gid'],
2510 $signed = Diaspora::createLikeSignature($uid, $new_item);
2511 if (!empty($signed)) {
2512 $new_item['diaspora_signed_text'] = json_encode($signed);
2515 $new_item_id = self::insert($new_item);
2517 // If the parent item isn't visible then set it to visible
2518 if (!$item['visible']) {
2519 self::update(['visible' => true], ['id' => $item['id']]);
2522 $new_item['id'] = $new_item_id;
2524 Hook::callAll('post_local_end', $new_item);
2530 * Fetch the SQL condition for the given user id
2532 * @param integer $owner_id User ID for which the permissions should be fetched
2533 * @return array condition
2535 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2537 $local_user = local_user();
2538 $remote_user = Session::getRemoteContactID($owner_id);
2540 // default permissions - anonymous user
2541 $condition = ["`private` != ?", self::PRIVATE];
2543 if ($local_user && ($local_user == $owner_id)) {
2544 // Profile owner - everything is visible
2546 } elseif ($remote_user) {
2547 // Authenticated visitor - fetch the matching permissionsets
2548 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2550 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2551 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2552 self::PRIVATE, self::PRIVATE];
2553 $condition = array_merge($condition, $permissionSets->column('id'));
2561 * Get a permission SQL string for the given user
2563 * @param int $owner_id
2564 * @param string $table
2567 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2569 $local_user = local_user();
2570 $remote_user = Session::getRemoteContactID($owner_id);
2572 if (!empty($table)) {
2573 $table = DBA::quoteIdentifier($table) . '.';
2577 * Construct permissions
2579 * default permissions - anonymous user
2581 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2583 // Profile owner - everything is visible
2584 if ($local_user && ($local_user == $owner_id)) {
2586 } elseif ($remote_user) {
2588 * Authenticated visitor. Unless pre-verified,
2589 * check that the contact belongs to this $owner_id
2590 * and load the groups the visitor belongs to.
2591 * If pre-verified, the caller is expected to have already
2592 * done this and passed the groups into this function.
2594 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2597 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2602 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2609 * get translated item type
2611 * @param array $item
2612 * @param \Friendica\Core\L10n $l10n
2615 public static function postType(array $item, \Friendica\Core\L10n $l10n)
2617 if (!empty($item['event-id'])) {
2618 return $l10n->t('event');
2619 } elseif (!empty($item['resource-id'])) {
2620 return $l10n->t('photo');
2621 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2622 return $l10n->t('activity');
2623 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2624 return $l10n->t('comment');
2627 return $l10n->t('post');
2631 * Sets the "rendered-html" field of the provided item
2633 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2635 * @param array $item
2637 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2638 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2640 public static function putInCache(&$item)
2642 // Save original body to prevent addons to modify it
2643 $body = $item['body'];
2645 $rendered_hash = $item['rendered-hash'] ?? '';
2646 $rendered_html = $item['rendered-html'] ?? '';
2648 if ($rendered_hash == ''
2649 || $rendered_html == ''
2650 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2651 || DI::config()->get('system', 'ignore_cache')
2653 self::addRedirToImageTags($item);
2655 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
2656 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2658 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2659 Hook::callAll('put_item_in_cache', $hook_data);
2660 $item['rendered-html'] = $hook_data['rendered-html'];
2661 $item['rendered-hash'] = $hook_data['rendered-hash'];
2664 // Update if the generated values differ from the existing ones
2665 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2668 'rendered-html' => $item['rendered-html'],
2669 'rendered-hash' => $item['rendered-hash']
2671 ['id' => $item['id']]
2676 $item['body'] = $body;
2680 * Find any non-embedded images in private items and add redir links to them
2682 * @param array &$item The field array of an item row
2684 private static function addRedirToImageTags(array &$item)
2689 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2691 foreach ($matches as $mtch) {
2692 if (strpos($mtch[1], '/redir') !== false) {
2696 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->getContactId()) && ($item['network'] == Protocol::DFRN)) {
2697 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2698 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2705 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2706 * If attach is true, also add icons for item attachments.
2708 * @param array $item
2709 * @param boolean $attach
2710 * @param boolean $is_preview
2711 * @return string item body html
2712 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2713 * @throws \ImagickException
2714 * @hook prepare_body_init item array before any work
2715 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2716 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2717 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2719 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2722 Hook::callAll('prepare_body_init', $item);
2724 // In order to provide theme developers more possibilities, event items
2725 // are treated differently.
2726 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2727 $ev = Event::getItemHTML($item);
2731 $tags = Tag::populateFromItem($item);
2733 $item['tags'] = $tags['tags'];
2734 $item['hashtags'] = $tags['hashtags'];
2735 $item['mentions'] = $tags['mentions'];
2737 $body = $item['body'] ?? '';
2738 $shared = BBCode::fetchShareAttributes($body);
2739 if (!empty($shared['guid'])) {
2740 $shared_item = Post::selectFirst(['uri-id', 'plink'], ['guid' => $shared['guid']]);
2741 $shared_uri_id = $shared_item['uri-id'] ?? 0;
2742 $shared_links = [strtolower($shared_item['plink'] ?? '')];
2743 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid']);
2744 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
2745 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
2746 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
2747 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
2752 $attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links);
2753 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
2755 $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
2756 self::putInCache($item);
2757 $item['body'] = $body;
2758 $s = $item["rendered-html"];
2760 // Compile eventual content filter reasons
2761 $filter_reasons = [];
2762 if (!$is_preview && public_contact() != $item['author-id']) {
2763 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2764 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2767 $item['attachments'] = $attachments;
2771 'filter_reasons' => $filter_reasons
2773 Hook::callAll('prepare_body_content_filter', $hook_data);
2774 $filter_reasons = $hook_data['filter_reasons'];
2781 'preview' => $is_preview,
2782 'filter_reasons' => $filter_reasons
2784 Hook::callAll('prepare_body', $hook_data);
2785 $s = $hook_data['html'];
2789 // Replace the blockquotes with quotes that are used in mails.
2790 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2791 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2795 if (!empty($shared_attachments)) {
2796 $s = self::addVisualAttachments($shared_attachments, $item, $s, true);
2797 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, []);
2798 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
2799 $body = preg_replace("/\s*\[share .*?\].*?\[\/share\]\s*/ism", '', $body);
2802 $s = self::addVisualAttachments($attachments, $item, $s, false);
2803 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
2804 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
2807 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2808 $x = Map::byCoordinates(trim($item['coord']));
2810 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2814 // Replace friendica image url size with theme preference.
2815 if (!empty($a->getThemeInfoValue('item_image_size'))) {
2816 $ps = $a->getThemeInfoValue('item_image_size');
2817 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2820 $s = HTML::applyContentFilter($s, $filter_reasons);
2822 $hook_data = ['item' => $item, 'html' => $s];
2823 Hook::callAll('prepare_body_final', $hook_data);
2825 return $hook_data['html'];
2829 * Check if the body contains a link
2831 * @param string $body
2832 * @param string $url
2836 public static function containsLink(string $body, string $url, int $type = 0)
2838 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
2839 $urlparts = parse_url($url);
2840 unset($urlparts['query']);
2841 unset($urlparts['fragment']);
2842 $url = Network::unparseURL($urlparts);
2844 // Remove media links to only search in embedded content
2845 // @todo Check images for image link, audio for audio links, ...
2846 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
2847 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
2850 if (strpos($body, $url)) {
2853 foreach ([0, 1, 2] as $size) {
2854 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
2855 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
2863 * Replace visual attachments in the body
2865 * @param array $attachments
2866 * @param string $body
2867 * @return string modified body
2869 private static function replaceVisualAttachments(array $attachments, string $body)
2871 DI::profiler()->startRecording('rendering');
2873 foreach ($attachments['visual'] as $attachment) {
2874 if (!empty($attachment['preview'])) {
2875 $body = str_replace($attachment['preview'], Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE), $body);
2876 } elseif ($attachment['filetype'] == 'image') {
2877 $body = str_replace($attachment['url'], Post\Media::getUrlForId($attachment['id']), $body);
2880 DI::profiler()->stopRecording();
2885 * Add visual attachments to the content
2887 * @param array $attachments
2888 * @param array $item
2889 * @param string $content
2890 * @return string modified content
2892 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared)
2894 DI::profiler()->startRecording('rendering');
2898 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
2899 foreach ($attachments['visual'] as $attachment) {
2900 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
2904 if (!empty($attachment['preview'])) {
2905 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
2910 if (($attachment['filetype'] == 'video')) {
2911 /// @todo Move the template to /content as well
2912 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2914 'id' => $attachment['id'],
2915 'src' => $attachment['url'],
2916 'name' => $attachment['name'] ?: $attachment['url'],
2917 'preview' => $preview_url,
2918 'mime' => $attachment['mimetype'],
2921 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
2924 $trailing .= $media;
2926 } elseif ($attachment['filetype'] == 'audio') {
2927 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
2929 'id' => $attachment['id'],
2930 'src' => $attachment['url'],
2931 'name' => $attachment['name'] ?: $attachment['url'],
2932 'mime' => $attachment['mimetype'],
2935 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
2938 $trailing .= $media;
2940 } elseif ($attachment['filetype'] == 'image') {
2941 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
2943 'src' => Post\Media::getUrlForId($attachment['id']),
2944 'preview' => Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE),
2945 'attachment' => $attachment,
2948 // On Diaspora posts the attached pictures are leading
2949 if ($item['network'] == Protocol::DIASPORA) {
2952 $trailing .= $media;
2958 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . BBCode::TOP_ANCHOR, $content);
2959 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>' . BBCode::BOTTOM_ANCHOR, $content);
2961 if ($leading != '') {
2962 $content = '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . $content;
2965 if ($trailing != '') {
2966 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
2970 DI::profiler()->stopRecording();
2975 * Add link attachment to the content
2977 * @param array $attachments
2978 * @param string $body
2979 * @param string $content
2980 * @param bool $shared
2981 * @param array $ignore_links A list of URLs to ignore
2982 * @return string modified content
2984 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links)
2986 DI::profiler()->startRecording('rendering');
2987 // Don't show a preview when there is a visual attachment (audio or video)
2988 $types = array_column($attachments['visual'], 'type');
2989 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
2991 if (!empty($attachments['link'])) {
2992 foreach ($attachments['link'] as $link) {
2994 foreach ($ignore_links as $ignore_link) {
2995 if (Strings::compareLink($link['url'], $ignore_link)) {
2999 // @todo Judge between the links to use the one with most information
3000 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
3001 (empty($attachment['name']) && !empty($link['name'])) ||
3002 (empty($attachment['description']) && !empty($link['description'])) ||
3003 (empty($attachment['preview']) && !empty($link['preview'])))) {
3004 $attachment = $link;
3009 if (!empty($attachment)) {
3012 'author_name' => $attachment['author-name'] ?? '',
3013 'author_url' => $attachment['author-url'] ?? '',
3014 'description' => $attachment['description'] ?? '',
3017 'provider_name' => $attachment['publisher-name'] ?? '',
3018 'provider_url' => $attachment['publisher-url'] ?? '',
3020 'title' => $attachment['name'] ?? '',
3022 'url' => $attachment['url']];
3024 if ($preview && !empty($attachment['preview'])) {
3025 if ($attachment['preview-width'] >= 500) {
3026 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3028 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3032 if (!empty($data['description']) && !empty($content)) {
3033 similar_text($data['description'], $content, $percent);
3038 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3039 $data['description'] = '';
3042 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3043 $data['author_name'] = '';
3046 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3047 $data['author_url'] = '';
3049 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3050 $data = BBCode::getAttachmentData($match[1]);
3052 DI::profiler()->stopRecording();
3054 if (isset($data['url']) && !in_array($data['url'], $ignore_links)) {
3055 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview'])) {
3056 $parts = parse_url($data['url']);
3057 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3058 if (empty($data['provider_name'])) {
3059 $data['provider_name'] = $parts['host'];
3061 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3062 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3064 if (!empty($parts['port'])) {
3065 $data['provider_url'] .= ':' . $parts['port'];
3070 // @todo Use a template
3071 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid);
3072 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3073 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3074 '$url' => $data['url'],
3075 '$title' => $data['title'],
3082 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3084 return $content . $rendered;
3091 * Add non visual attachments to the content
3093 * @param array $attachments
3094 * @param array $item
3095 * @param string $content
3096 * @return string modified content
3098 private static function addNonVisualAttachments(array $attachments, array $item, string $content)
3100 DI::profiler()->startRecording('rendering');
3102 foreach ($attachments['additional'] as $attachment) {
3103 if (strpos($item['body'], $attachment['url'])) {
3107 $author = ['uid' => 0, 'id' => $item['author-id'],
3108 'network' => $item['author-network'], 'url' => $item['author-link']];
3109 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3111 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3113 if (!empty($attachment['size'])) {
3114 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3117 /// @todo Use a template
3118 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3119 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3122 if ($trailing != '') {
3123 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3126 DI::profiler()->stopRecording();
3131 * get private link for item
3133 * @param array $item
3134 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3135 * @throws \Exception
3137 public static function getPlink($item)
3141 'href' => "display/" . $item['guid'],
3142 'orig' => "display/" . $item['guid'],
3143 'title' => DI::l10n()->t('View on separate page'),
3144 'orig_title' => DI::l10n()->t('View on separate page'),
3147 if (!empty($item['plink'])) {
3148 $ret['href'] = DI::baseUrl()->remove($item['plink']);
3149 $ret['title'] = DI::l10n()->t('Link to source');
3151 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3153 'href' => $item['plink'],
3154 'orig' => $item['plink'],
3155 'title' => DI::l10n()->t('Link to source'),
3156 'orig_title' => DI::l10n()->t('Link to source'),
3166 * Is the given item array a post that is sent as starting post to a forum?
3168 * @param array $item
3169 * @param array $owner
3171 * @return boolean "true" when it is a forum post
3173 public static function isForumPost(array $item, array $owner = [])
3175 if (empty($owner)) {
3176 $owner = User::getOwnerDataById($item['uid']);
3177 if (empty($owner)) {
3182 if (($item['author-id'] == $item['owner-id']) ||
3183 ($owner['id'] == $item['contact-id']) ||
3184 ($item['uri-id'] != $item['parent-uri-id']) ||
3189 return Contact::isForum($item['contact-id']);
3193 * Search item id for given URI or plink
3195 * @param string $uri
3196 * @param integer $uid
3198 * @return integer item id
3200 public static function searchByLink($uri, $uid = 0)
3202 $ssl_uri = str_replace('http://', 'https://', $uri);
3203 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3205 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3206 if (DBA::isResult($item)) {
3210 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3211 if (DBA::isResult($item)) {
3219 * Return the URI for a link to the post
3221 * @param string $uri URI or link to post
3223 * @return string URI
3225 public static function getURIByLink(string $uri)
3227 $ssl_uri = str_replace('http://', 'https://', $uri);
3228 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3230 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3231 if (DBA::isResult($item)) {
3232 return $item['uri'];
3235 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3236 if (DBA::isResult($item)) {
3237 return $item['uri'];
3244 * Fetches item for given URI or plink
3246 * @param string $uri
3247 * @param integer $uid
3249 * @return integer item id
3251 public static function fetchByLink(string $uri, int $uid = 0)
3253 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3254 $item_id = self::searchByLink($uri, $uid);
3255 if (!empty($item_id)) {
3256 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3266 Hook::callAll('item_by_link', $hookData);
3268 if (isset($hookData['item_id'])) {
3269 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3272 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3273 $item_id = self::searchByLink($fetched_uri, $uid);
3275 $item_id = Diaspora::fetchByURL($uri);
3278 if (!empty($item_id)) {
3279 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3283 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3288 * Return share data from an item array (if the item is shared item)
3289 * We are providing the complete Item array, because at some time in the future
3290 * we hopefully will define these values not in the body anymore but in some item fields.
3291 * This function is meant to replace all similar functions in the system.
3293 * @param array $item
3295 * @return array with share information
3297 public static function getShareArray($item)
3299 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3303 $attribute_string = $matches[2];
3304 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3305 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3306 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3307 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3314 * Fetch item information for shared items from the original items and adds it.
3316 * @param array $item
3318 * @return array item array with data from the original item
3320 public static function addShareDataFromOriginal(array $item)
3322 $shared = self::getShareArray($item);
3323 if (empty($shared)) {
3327 // Real reshares always have got a GUID.
3328 if (empty($shared['guid'])) {
3332 $uid = $item['uid'] ?? 0;
3334 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3335 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3336 if (!DBA::isResult($shared_item)) {
3337 if (empty($shared['link'])) {
3341 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3342 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3344 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3348 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3349 if (!DBA::isResult($shared_item)) {
3352 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3354 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3357 if (!empty($shared_item['title'])) {
3358 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3359 unset($shared_item['title']);
3361 $body = $shared_item['body'];
3364 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . str_replace('$', '\$', $body) . '[/share]', $item['body']);
3365 unset($shared_item['body']);
3367 return array_merge($item, $shared_item);
3371 * Check a prospective item array against user-level permissions
3373 * @param array $item Expected keys: uri, gravity, and
3374 * author-link if is author-id is set,
3375 * owner-link if is owner-id is set,
3376 * causer-link if is causer-id is set.
3377 * @param int $user_id Local user ID
3379 * @throws \Exception
3381 protected static function isAllowedByUser(array $item, int $user_id)
3383 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3384 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3388 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3389 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3393 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3394 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3395 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3399 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3400 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3408 * Improve the data in shared posts
3410 * @param array $item
3411 * @return string body
3413 public static function improveSharedDataInBody(array $item)
3415 $shared = BBCode::fetchShareAttributes($item['body']);
3416 if (empty($shared['link'])) {
3417 return $item['body'];
3420 $id = self::fetchByLink($shared['link']);
3421 Logger::info('Fetched shared post', ['uri-id' => $item['uri-id'], 'id' => $id, 'author' => $shared['profile'], 'url' => $shared['link'], 'guid' => $shared['guid'], 'callstack' => System::callstack()]);
3423 return $item['body'];
3426 $shared_item = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'title', 'body'], ['id' => $id]);
3427 if (!DBA::isResult($shared_item)) {
3428 return $item['body'];
3431 $shared_content = BBCode::getShareOpeningTag($shared_item['author-name'], $shared_item['author-link'], $shared_item['author-avatar'], $shared_item['plink'], $shared_item['created'], $shared_item['guid']);
3433 if (!empty($shared_item['title'])) {
3434 $shared_content .= '[h3]'.$shared_item['title'].'[/h3]'."\n";
3437 $shared_content .= $shared_item['body'];
3439 $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $shared_content . '[/share]', $item['body']);
3440 Logger::info('New shared data', ['uri-id' => $item['uri-id'], 'id' => $id, 'shared_item' => $shared_item]);
3441 return $item['body'];