3 * @copyright Copyright (C) 2010-2021, 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;
59 const PT_PERSONAL_NOTE = 128;
61 // Posting reasons (Why had a post been stored for a user?)
68 const PR_FOLLOWER = 69;
69 const PR_ANNOUNCEMENT = 70;
70 const PR_COMMENT = 71;
74 const PR_FETCHED = 75;
76 // Field list that is used to display the items
77 const DISPLAY_FIELDLIST = [
78 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
79 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
80 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
81 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
82 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
83 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention',
84 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
85 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type',
86 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
87 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
88 'writable', 'self', 'cid', 'alias',
89 'event-created', 'event-edited', 'event-start', 'event-finish',
90 'event-summary', 'event-desc', 'event-location', 'event-type',
91 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
92 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
95 // Field list that is used to deliver items via the protocols
96 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
97 'parent-guid', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
98 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
99 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
100 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
101 'author-id', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
102 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'forum_mode', 'origin',
103 'thr-parent-id', 'parent-uri-id', 'postopts', 'pubmail',
104 'event-created', 'event-edited', 'event-start', 'event-finish',
105 'event-summary', 'event-desc', 'event-location', 'event-type',
106 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
108 // All fields in the item table
109 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
110 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
111 'contact-id', 'wall', 'gravity', 'extid', 'psid',
112 'created', 'edited', 'commented', 'received', 'changed', 'verb',
113 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
114 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
115 'private', 'pubmail', 'visible', 'starred',
116 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
117 'title', 'content-warning', 'body', 'location', 'coord', 'app',
118 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
119 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
120 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
122 // List of all verbs that don't need additional content data.
123 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
125 Activity::LIKE, Activity::DISLIKE,
126 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
135 * Update existing item entries
137 * @param array $fields The fields that are to be changed
138 * @param array $condition The condition for finding the item entries
140 * In the future we may have to change permissions as well.
141 * Then we had to add the user id as third parameter.
143 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
145 * @return integer|boolean number of affected rows - or "false" if there was an error
146 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
148 public static function update(array $fields, array $condition)
150 if (empty($condition) || empty($fields)) {
154 if (isset($fields['extid'])) {
155 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
158 if (!empty($fields['verb'])) {
159 $fields['vid'] = Verb::getID($fields['verb']);
162 $rows = Post::update($fields, $condition);
163 if (is_bool($rows)) {
167 // We only need to call the line by line update for specific fields
168 if (empty($fields['body']) && empty($fields['file']) &&
169 empty($fields['attach']) && empty($fields['edited'])) {
173 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
175 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network'], $condition);
179 while ($item = DBA::fetch($items)) {
180 if (!empty($fields['body'])) {
181 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
183 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
185 // Remove all media attachments from the body and store them in the post-media table
186 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
187 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
188 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
190 if ($item['author-network'] != Protocol::DFRN) {
191 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body']);
194 Post\Content::update($item['uri-id'], $content_fields);
197 if (!empty($fields['file'])) {
198 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
201 if (!empty($fields['attach'])) {
202 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
205 // We only need to notfiy others when it is an original entry from us.
206 // Only call the notifier when the item has some content relevant change.
207 if ($item['origin'] && in_array('edited', array_keys($fields))) {
208 $notify_items[] = $item['id'];
214 foreach ($notify_items as $notify_item) {
215 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
216 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
223 * Delete an item and notify others about it - if it was ours
225 * @param array $condition The condition for finding the item entries
226 * @param integer $priority Priority for the notification
227 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
229 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
231 $items = Post::select(['id'], $condition);
232 while ($item = Post::fetch($items)) {
233 self::markForDeletionById($item['id'], $priority);
239 * Delete an item for an user and notify others about it - if it was ours
241 * @param array $condition The condition for finding the item entries
242 * @param integer $uid User who wants to delete this item
243 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
245 public static function deleteForUser($condition, $uid)
251 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
252 while ($item = Post::fetch($items)) {
253 if (in_array($item['uid'], [$uid, 0])) {
254 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
255 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
258 if ($item['uid'] == $uid) {
259 self::markForDeletionById($item['id'], PRIORITY_HIGH);
260 } elseif ($item['uid'] != 0) {
261 Logger::notice('Wrong ownership. Not deleting item', ['id' => $item['id']]);
268 * Mark an item for deletion, delete related data and notify others about it - if it was ours
270 * @param integer $item_id
271 * @param integer $priority Priority for the notification
273 * @return boolean success
274 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
276 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
278 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
279 // locate item to be deleted
280 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
281 'deleted', 'resource-id', 'event-id',
282 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
283 $item = Post::selectFirst($fields, ['id' => $item_id]);
284 if (!DBA::isResult($item)) {
285 Logger::info('Item not found.', ['id' => $item_id]);
289 if ($item['deleted']) {
290 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
294 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
295 if (!DBA::isResult($parent)) {
296 $parent = ['origin' => false];
299 // clean up categories and tags so they don't end up as orphans
300 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
303 * If item is a link to a photo resource, nuke all the associated photos
304 * (visitors will not have photo resources)
305 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
306 * generate a resource-id and therefore aren't intimately linked to the item.
308 /// @TODO: this should first check if photo is used elsewhere
309 if (strlen($item['resource-id'])) {
310 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
313 // If item is a link to an event, delete the event.
314 if (intval($item['event-id'])) {
315 Event::delete($item['event-id']);
318 // If item has attachments, drop them
319 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
320 foreach($attachments as $attachment) {
321 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
322 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
326 // Set the item to "deleted"
327 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
328 Post::update($item_fields, ['id' => $item['id']]);
330 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
332 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
333 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
336 Post\DeliveryData::delete($item['uri-id']);
338 // If it's the parent of a comment thread, kill all the kids
339 if ($item['gravity'] == GRAVITY_PARENT) {
340 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
343 // Is it our comment and/or our thread?
344 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
345 // When we delete the original post we will delete all existing copies on the server as well
346 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
348 // send the notification upstream/downstream
350 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
352 } elseif ($item['uid'] != 0) {
353 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
354 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
357 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
362 private static function guid($item, $notify)
364 if (!empty($item['guid'])) {
365 return Strings::escapeTags(trim($item['guid']));
369 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
370 // We add the hash of our own host because our host is the original creator of the post.
371 $prefix_host = DI::baseUrl()->getHostname();
375 // We are only storing the post so we create a GUID from the original hostname.
376 if (!empty($item['author-link'])) {
377 $parsed = parse_url($item['author-link']);
378 if (!empty($parsed['host'])) {
379 $prefix_host = $parsed['host'];
383 if (empty($prefix_host) && !empty($item['plink'])) {
384 $parsed = parse_url($item['plink']);
385 if (!empty($parsed['host'])) {
386 $prefix_host = $parsed['host'];
390 if (empty($prefix_host) && !empty($item['uri'])) {
391 $parsed = parse_url($item['uri']);
392 if (!empty($parsed['host'])) {
393 $prefix_host = $parsed['host'];
397 // Is it in the format data@host.tld? - Used for mail contacts
398 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
399 $mailparts = explode('@', $item['author-link']);
400 $prefix_host = array_pop($mailparts);
404 if (!empty($item['plink'])) {
405 $guid = self::guidFromUri($item['plink'], $prefix_host);
406 } elseif (!empty($item['uri'])) {
407 $guid = self::guidFromUri($item['uri'], $prefix_host);
409 $guid = System::createUUID(hash('crc32', $prefix_host));
415 private static function contactId($item)
417 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
418 return $item['contact-id'];
419 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
420 return $item['contact-id'];
421 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
422 return $item['author-id'];
423 } elseif (!empty($item['contact-id'])) {
424 return $item['contact-id'];
426 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
427 if (!empty($contact_id)) {
431 return $item['author-id'];
435 * Write an item array into a spool file to be inserted later.
436 * This command is called whenever there are issues storing an item.
438 * @param array $item The item fields that are to be inserted
441 private static function spool($orig_item)
443 // Now we store the data in the spool directory
444 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
445 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
447 $spoolpath = get_spoolpath();
448 if ($spoolpath != "") {
449 $spool = $spoolpath . '/' . $file;
451 file_put_contents($spool, json_encode($orig_item));
452 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
457 * Check if the item array is a duplicate
460 * @return boolean is it a duplicate?
462 private static function isDuplicate(array $item)
464 // Checking if there is already an item with the same guid
465 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
466 if (Post::exists($condition)) {
467 Logger::notice('Found already existing item', [
468 'guid' => $item['guid'],
469 'uid' => $item['uid'],
470 'network' => $item['network']
475 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
476 'network' => [$item['network'], Protocol::DFRN]];
477 if (Post::exists($condition)) {
478 Logger::notice('duplicated item with the same uri found.', $item);
482 // On Friendica and Diaspora the GUID is unique
483 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
484 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
485 if (Post::exists($condition)) {
486 Logger::notice('duplicated item with the same guid found.', $item);
489 } elseif ($item['network'] == Protocol::OSTATUS) {
490 // Check for an existing post with the same content. There seems to be a problem with OStatus.
491 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
492 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
493 if (Post::exists($condition)) {
494 Logger::notice('duplicated item with the same body found.', $item);
500 * Check for already added items.
501 * There is a timing issue here that sometimes creates double postings.
502 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
504 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
505 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
513 * Check if the item array is valid
516 * @return boolean item is valid
518 public static function isValid(array $item)
520 // When there is no content then we don't post it
521 if (($item['body'] . $item['title'] == '') && !Post\Media::existsByURIId($item['uri-id'])) {
522 Logger::notice('No body, no title.');
526 if (!empty($item['uid'])) {
527 $owner = User::getOwnerDataById($item['uid'], false);
529 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
533 if ($owner['account_expired'] || $owner['account_removed']) {
534 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
539 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
540 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
544 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
545 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
549 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
550 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
554 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
555 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
559 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
563 if ($item['verb'] == Activity::FOLLOW) {
564 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
565 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
566 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
570 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
571 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
572 if (Post::exists($condition)) {
573 // It happens that we receive multiple follow requests by the same author - we only store one.
574 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
583 * Check if the item array is too old
586 * @return boolean item is too old
588 public static function isTooOld(array $item)
590 // check for create date and expire time
591 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
593 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
594 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
595 $expire_interval = $user['expire'];
598 if (($expire_interval > 0) && !empty($item['created'])) {
599 $expire_date = time() - ($expire_interval * 86400);
600 $created_date = strtotime($item['created']);
601 if ($created_date < $expire_date) {
602 Logger::notice('Item created before expiration interval.', [
603 'created' => date('c', $created_date),
604 'expired' => date('c', $expire_date),
615 * Return the id of the given item array if it has been stored before
618 * @return integer item id
620 private static function getDuplicateID(array $item)
622 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
623 $condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
624 $item['uri-id'], $item['uid'],
625 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
626 $existing = Post::selectFirst(['id', 'network'], $condition);
627 if (DBA::isResult($existing)) {
628 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
629 if ($item['uid'] != 0) {
630 Logger::notice('Item already existed for user', [
631 'uri-id' => $item['uri-id'],
632 'uid' => $item['uid'],
633 'network' => $item['network'],
634 'existing_id' => $existing["id"],
635 'existing_network' => $existing["network"]
639 return $existing["id"];
646 * Fetch top-level parent data for the given item array
649 * @return array item array with parent data
652 private static function getTopLevelParent(array $item)
654 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
655 'uri-id', 'parent-uri-id',
656 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
657 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
658 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
659 $params = ['order' => ['id' => false]];
660 $parent = Post::selectFirst($fields, $condition, $params);
662 if (!DBA::isResult($parent)) {
663 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
667 if ($parent['uri-id'] == $parent['parent-uri-id']) {
671 $condition = ['uri-id' => $parent['parent-uri-id'],
672 'parent-uri-id' => $parent['parent-uri-id'],
673 'uid' => $parent['uid']];
674 $params = ['order' => ['id' => false]];
675 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
676 if (!DBA::isResult($toplevel_parent)) {
677 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
681 return $toplevel_parent;
685 * Get the gravity for the given item array
688 * @return integer gravity
690 private static function getGravity(array $item)
692 $activity = DI::activity();
694 if (isset($item['gravity'])) {
695 return intval($item['gravity']);
696 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
697 return GRAVITY_PARENT;
698 } elseif ($activity->match($item['verb'], Activity::POST)) {
699 return GRAVITY_COMMENT;
700 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
701 return GRAVITY_ACTIVITY;
702 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
703 return GRAVITY_ACTIVITY;
705 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
706 return GRAVITY_UNKNOWN; // Should not happen
709 public static function insert($item, $notify = false, $dontcache = false)
713 $priority = PRIORITY_HIGH;
715 // If it is a posting where users should get notifications, then define it as wall posting
719 $item['network'] = Protocol::DFRN;
720 $item['protocol'] = Conversation::PARCEL_DIRECT;
721 $item['direction'] = Conversation::PUSH;
723 if (in_array($notify, PRIORITIES)) {
727 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
730 $uid = intval($item['uid']);
732 $item['guid'] = self::guid($item, $notify);
733 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
736 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
738 // Backward compatibility: parent-uri used to be the direct parent uri.
739 // If it is provided without a thr-parent, it probably is the old behavior.
740 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
741 $item['parent-uri'] = $item['thr-parent'];
743 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
745 // Store conversation data
746 $item = Conversation::insert($item);
749 * Do we already have this item?
750 * We have to check several networks since Friendica posts could be repeated
751 * via OStatus (maybe Diasporsa as well)
753 $duplicate = self::getDuplicateID($item);
758 // Additional duplicate checks
759 /// @todo Check why the first duplication check returns the item number and the second a 0
760 if (self::isDuplicate($item)) {
764 if (!isset($item['post-type'])) {
765 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
768 $item['wall'] = intval($item['wall'] ?? 0);
769 $item['extid'] = trim($item['extid'] ?? '');
770 $item['author-name'] = trim($item['author-name'] ?? '');
771 $item['author-link'] = trim($item['author-link'] ?? '');
772 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
773 $item['owner-name'] = trim($item['owner-name'] ?? '');
774 $item['owner-link'] = trim($item['owner-link'] ?? '');
775 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
776 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
777 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
778 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
779 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
780 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
781 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
782 $item['location'] = trim($item['location'] ?? '');
783 $item['coord'] = trim($item['coord'] ?? '');
784 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
785 $item['deleted'] = 0;
786 $item['verb'] = trim($item['verb'] ?? '');
787 $item['object-type'] = trim($item['object-type'] ?? '');
788 $item['object'] = trim($item['object'] ?? '');
789 $item['target-type'] = trim($item['target-type'] ?? '');
790 $item['target'] = trim($item['target'] ?? '');
791 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
792 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
793 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
794 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
795 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
796 $item['private'] = intval($item['private'] ?? self::PUBLIC);
797 $item['body'] = trim($item['body'] ?? '');
798 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
799 $item['app'] = trim($item['app'] ?? '');
800 $item['origin'] = intval($item['origin'] ?? 0);
801 $item['postopts'] = trim($item['postopts'] ?? '');
802 $item['resource-id'] = trim($item['resource-id'] ?? '');
803 $item['event-id'] = intval($item['event-id'] ?? 0);
804 $item['inform'] = trim($item['inform'] ?? '');
805 $item['file'] = trim($item['file'] ?? '');
807 // Items cannot be stored before they happen ...
808 if ($item['created'] > DateTimeFormat::utcNow()) {
809 $item['created'] = DateTimeFormat::utcNow();
812 // We haven't invented time travel by now.
813 if ($item['edited'] > DateTimeFormat::utcNow()) {
814 $item['edited'] = DateTimeFormat::utcNow();
817 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
819 $item['gravity'] = self::getGravity($item);
821 $item['language'] = self::getLanguage($item);
823 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
824 'photo' => $item['author-avatar'], 'network' => $item['network']];
825 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
827 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
828 'photo' => $item['owner-avatar'], 'network' => $item['network']];
829 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
831 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
832 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
833 $item['post-reason'] = self::PR_FOLLOWER;
836 // Ensure that there is an avatar cache
837 Contact::checkAvatarCache($item['author-id']);
838 Contact::checkAvatarCache($item['owner-id']);
840 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
841 $item["contact-id"] = self::contactId($item);
843 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
844 self::isTooOld($item)) {
845 Logger::info('Item is too old', ['item' => $item]);
849 if (!self::isValid($item)) {
853 if ($item['gravity'] !== GRAVITY_PARENT) {
854 $toplevel_parent = self::getTopLevelParent($item);
855 if (empty($toplevel_parent)) {
859 // If the thread originated from this node, we check the permission against the thread starter
860 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
861 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
862 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
866 $parent_id = $toplevel_parent['id'];
867 $item['parent-uri'] = $toplevel_parent['uri'];
868 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
869 $item['deleted'] = $toplevel_parent['deleted'];
870 $item['allow_cid'] = $toplevel_parent['allow_cid'];
871 $item['allow_gid'] = $toplevel_parent['allow_gid'];
872 $item['deny_cid'] = $toplevel_parent['deny_cid'];
873 $item['deny_gid'] = $toplevel_parent['deny_gid'];
874 $parent_origin = $toplevel_parent['origin'];
876 // Don't federate received participation messages
877 if ($item['verb'] != Activity::FOLLOW) {
878 $item['wall'] = $toplevel_parent['wall'];
880 $item['wall'] = false;
881 // Participations are technical messages, so they are set to "seen" automatically
882 $item['unseen'] = false;
886 * If the parent is private, force privacy for the entire conversation
887 * This differs from the above settings as it subtly allows comments from
888 * email correspondents to be private even if the overall thread is not.
890 if ($toplevel_parent['private']) {
891 $item['private'] = $toplevel_parent['private'];
895 * Edge case. We host a public forum that was originally posted to privately.
896 * The original author commented, but as this is a comment, the permissions
897 * weren't fixed up so it will still show the comment as private unless we fix it here.
899 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
900 $item['private'] = self::PUBLIC;
903 // If its a post that originated here then tag the thread as "mention"
904 if ($item['origin'] && $item['uid']) {
905 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
906 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
909 // Update the contact relations
910 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
913 $parent_origin = $item['origin'];
916 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
917 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
919 // Is this item available in the global items (with uid=0)?
920 if ($item["uid"] == 0) {
921 $item["global"] = true;
923 // Set the global flag on all items if this was a global item entry
924 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
926 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
930 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
931 $item["private"] = self::PRIVATE;
935 $item['edit'] = false;
936 $item['parent'] = $parent_id;
938 // Trigger automatic reactions for addons
939 $item['api_source'] = true;
941 // We have to tell the hooks who we are - this really should be improved
943 $_SESSION['authenticated'] = true;
944 $_SESSION['uid'] = $uid;
945 $dummy_session = true;
947 $dummy_session = false;
950 Hook::callAll('post_local', $item);
952 if ($dummy_session) {
953 unset($_SESSION['authenticated']);
954 unset($_SESSION['uid']);
957 Hook::callAll('post_remote', $item);
960 if (!empty($item['cancel'])) {
961 Logger::log('post cancelled by addon.');
965 if (empty($item['vid']) && !empty($item['verb'])) {
966 $item['vid'] = Verb::getID($item['verb']);
969 // Creates or assigns the permission set
970 $item['psid'] = PermissionSet::getIdFromACL(
978 if (!empty($item['extid'])) {
979 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
982 if ($item['verb'] == Activity::ANNOUNCE) {
983 self::setOwnerforResharedItem($item);
986 if (isset($item['attachments'])) {
987 foreach ($item['attachments'] as $attachment) {
988 $attachment['uri-id'] = $item['uri-id'];
989 Post\Media::insert($attachment);
991 unset($item['attachments']);
994 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
996 // Remove all media attachments from the body and store them in the post-media table
997 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
998 $item['raw-body'] = self::setHashtags($item['raw-body']);
1000 if (!DBA::exists('contact', ['id' => $item['author-id'], 'network' => Protocol::DFRN])) {
1001 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body']);
1004 // Check for hashtags in the body and repair or add hashtag links
1005 $item['body'] = self::setHashtags($item['body']);
1007 // Fill the cache field
1008 self::putInCache($item);
1010 if (stristr($item['verb'], Activity::POKE)) {
1011 $notify_type = Delivery::POKE;
1013 $notify_type = Delivery::POST;
1016 // Filling item related side tables
1017 if (!empty($item['attach'])) {
1018 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1021 if (empty($item['event-id'])) {
1022 unset($item['event-id']);
1024 $ev = Event::fromBBCode($item['body']);
1025 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1026 Logger::info('Event found.');
1027 $ev['cid'] = $item['contact-id'];
1028 $ev['uid'] = $item['uid'];
1029 $ev['uri'] = $item['uri'];
1030 $ev['edited'] = $item['edited'];
1031 $ev['private'] = $item['private'];
1032 $ev['guid'] = $item['guid'];
1033 $ev['plink'] = $item['plink'];
1034 $ev['network'] = $item['network'];
1035 $ev['protocol'] = $item['protocol'];
1036 $ev['direction'] = $item['direction'];
1037 $ev['source'] = $item['source'];
1039 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1040 if (DBA::isResult($event)) {
1041 $ev['id'] = $event['id'];
1044 $item['event-id'] = Event::store($ev);
1045 Logger::info('Event was stored', ['id' => $item['event-id']]);
1049 if (empty($item['causer-id'])) {
1050 unset($item['causer-id']);
1053 Post::insert($item['uri-id'], $item);
1055 if ($item['gravity'] == GRAVITY_PARENT) {
1056 Post\Thread::insert($item['uri-id'], $item);
1059 if (!in_array($item['verb'], self::ACTIVITIES)) {
1060 Post\Content::insert($item['uri-id'], $item);
1063 // Create Diaspora signature
1064 if ($item['origin'] && empty($item['diaspora_signed_text'])) {
1065 $signed = Diaspora::createCommentSignature($uid, $item);
1066 if (!empty($signed)) {
1067 $item['diaspora_signed_text'] = json_encode($signed);
1071 if (!empty($item['diaspora_signed_text'])) {
1072 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1075 // Attached file links
1076 if (!empty($item['file'])) {
1077 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1080 // Delivery relevant data
1081 $delivery_data = Post\DeliveryData::extractFields($item);
1083 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1084 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1087 // Store tags from the body if this hadn't been handled previously in the protocol classes
1088 if (!Tag::existsForPost($item['uri-id'])) {
1089 Tag::storeFromBody($item['uri-id'], $item['body']);
1092 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1093 if (Post::exists($condition)) {
1094 Logger::notice('Item is already inserted - aborting', $condition);
1098 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1099 if (!$post_user_id) {
1100 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1104 if ($item['gravity'] == GRAVITY_PARENT) {
1105 $item['post-user-id'] = $post_user_id;
1106 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1109 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1111 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1112 if (!DBA::isResult($posted_item)) {
1113 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1114 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1115 self::spool($orig_item);
1119 // update the commented timestamp on the parent
1120 if (DI::config()->get('system', 'like_no_comment')) {
1121 // Update when it is a comment
1122 $update_commented = in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1124 // Update when it isn't a follow or tag verb
1125 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1128 if ($update_commented) {
1129 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1131 $fields = ['changed' => DateTimeFormat::utcNow()];
1134 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1136 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1137 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1138 // Get the user information for the logging
1139 $user = User::getById($uid);
1141 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1147 Hook::callAll('post_local_end', $posted_item);
1149 Hook::callAll('post_remote_end', $posted_item);
1153 if ($posted_item['gravity'] === GRAVITY_PARENT) {
1154 self::addShadow($post_user_id);
1156 self::addShadowPost($post_user_id);
1159 self::updateContact($posted_item);
1161 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1163 check_user_notification($posted_item['uri-id'], $posted_item['uid']);
1165 // Distribute items to users who subscribed to their tags
1166 self::distributeByTags($posted_item);
1168 // Automatically reshare the item if the "remote_self" option is selected
1169 self::autoReshare($posted_item);
1171 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1174 // Don't relay participation messages
1175 if (($posted_item['verb'] == Activity::FOLLOW) &&
1176 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1177 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1183 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1186 return $post_user_id;
1190 * Change the owner of a parent item if it had been shared by a forum
1192 * (public) forum posts in the new format consist of the regular post by the author
1193 * followed by an announce message sent from the forum account.
1194 * Changing the owner helps in grouping forum posts.
1196 * @param array $item
1199 private static function setOwnerforResharedItem(array $item)
1201 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1202 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1203 if (!DBA::isResult($parent)) {
1204 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1208 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1209 if (!DBA::isResult($author)) {
1210 Logger::error('Author not found', ['id' => $item['author-id']]);
1214 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1215 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1216 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1220 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1221 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1222 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1226 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1227 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1230 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1231 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1235 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1236 Logger::info('Change owner of the parent', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'owner-id' => $item['author-id'], 'contact-id' => $cid]);
1240 * Distribute the given item to users who subscribed to their tags
1242 * @param array $item Processed item
1244 private static function distributeByTags(array $item)
1246 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1250 $uids = Tag::getUIDListByURIId($item['uri-id']);
1251 foreach ($uids as $uid) {
1252 if (Contact::isSharing($item['author-id'], $uid)) {
1255 $fields = ['post-reason' => self::PR_TAG];
1258 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1259 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1264 * Distributes public items to the receivers
1266 * @param integer $itemid Item ID that should be added
1267 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1268 * @throws \Exception
1270 public static function distribute($itemid, $signed_text = '')
1272 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1273 $parent = Post::selectFirst(['owner-id'], $condition);
1274 if (!DBA::isResult($parent)) {
1275 Logger::warning('Item not found', ['condition' => $condition]);
1279 // Only distribute public items from native networks
1280 $condition = ['id' => $itemid, 'uid' => 0,
1281 'network' => array_merge(Protocol::FEDERATED ,['']),
1282 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1283 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1284 if (!DBA::isResult($item)) {
1285 Logger::warning('Item not found', ['condition' => $condition]);
1289 $origin = $item['origin'];
1293 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1294 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1295 if (!DBA::isResult($owner)) {
1299 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1300 $contacts = DBA::select('contact', ['uid'], $condition);
1301 while ($contact = DBA::fetch($contacts)) {
1302 if ($contact['uid'] == 0) {
1306 $users[$contact['uid']] = $contact['uid'];
1308 DBA::close($contacts);
1310 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1311 $contacts = DBA::select('contact', ['uid'], $condition);
1312 while ($contact = DBA::fetch($contacts)) {
1313 if ($contact['uid'] == 0) {
1317 $users[$contact['uid']] = $contact['uid'];
1319 DBA::close($contacts);
1321 if (!empty($owner['alias'])) {
1322 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), '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);
1336 if ($item['uri-id'] != $item['parent-uri-id']) {
1337 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1338 while ($parent = Post::fetch($parents)) {
1339 $users[$parent['uid']] = $parent['uid'];
1340 if ($parent['origin'] && !$origin) {
1341 $origin_uid = $parent['uid'];
1344 DBA::close($parents);
1347 foreach ($users as $uid) {
1348 if ($origin_uid == $uid) {
1349 $item['diaspora_signed_text'] = $signed_text;
1351 self::storeForUser($item, $uid);
1356 * Store a public item defined by their URI-ID for the given users
1358 * @param integer $uri_id URI-ID of the given item
1359 * @param integer $uid The user that will receive the item entry
1360 * @param array $fields Additional fields to be stored
1361 * @param integer $source_uid User id of the source post
1362 * @return integer stored item id
1364 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0)
1366 if ($uid == $source_uid) {
1367 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1371 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => $source_uid]);
1372 if (!DBA::isResult($item)) {
1373 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1377 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1378 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']]);
1382 $item['post-reason'] = self::PR_STORED;
1384 $item = array_merge($item, $fields);
1386 $is_reshare = ($item['gravity'] == GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1388 if ((($item['gravity'] == GRAVITY_PARENT) || $is_reshare) &&
1389 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') &&
1390 !Contact::isSharingByURL($item['author-link'], $uid) &&
1391 !Contact::isSharingByURL($item['owner-link'], $uid)) {
1392 Logger::info('Contact is not a follower, thread will not be stored', ['author' => $item['author-link'], 'uid' => $uid]);
1396 if ((($item['gravity'] == GRAVITY_COMMENT) || $is_reshare) && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1397 // Only do an auto complete with the source uid "0" to prevent privavy problems
1398 $causer = $item['causer-id'] ?: $item['author-id'];
1399 $result = self::storeForUserByUriId($item['thr-parent-id'], $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED]);
1400 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer, 'result' => $result]);
1403 $stored = self::storeForUser($item, $uid);
1404 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'source-uid' => $source_uid, 'stored' => $stored]);
1409 * Store a public item array for the given users
1411 * @param array $item The item entry that will be stored
1412 * @param integer $uid The user that will receive the item entry
1413 * @return integer stored item id
1414 * @throws \Exception
1416 private static function storeForUser(array $item, int $uid)
1418 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1419 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1424 unset($item['mention']);
1425 unset($item['starred']);
1426 unset($item['unseen']);
1427 unset($item['psid']);
1428 unset($item['pinned']);
1429 unset($item['ignored']);
1430 unset($item['pubmail']);
1431 unset($item['forum_mode']);
1433 unset($item['event-id']);
1434 unset($item['hidden']);
1435 unset($item['notification-type']);
1437 $item['uid'] = $uid;
1438 $item['origin'] = 0;
1441 if ($item['gravity'] == GRAVITY_PARENT) {
1442 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1444 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1447 if (!empty($contact['id'])) {
1448 $item['contact-id'] = $contact['id'];
1450 // Shouldn't happen at all
1451 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1452 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1453 if (!DBA::isResult($self)) {
1454 // Shouldn't happen even less
1455 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1458 $item['contact-id'] = $self['id'];
1462 if ($item['gravity'] == GRAVITY_PARENT) {
1463 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1464 if (DBA::isResult($contact)) {
1465 $notify = self::isRemoteSelf($contact, $item);
1469 $distributed = self::insert($item, $notify, true);
1471 if (!$distributed) {
1472 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1474 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1476 return $distributed;
1480 * Add a shadow entry for a given item id that is a thread starter
1482 * We store every public item entry additionally with the user id "0".
1483 * This is used for the community page and for the search.
1484 * It is planned that in the future we will store public item entries only once.
1486 * @param integer $itemid Item ID that should be added
1487 * @throws \Exception
1489 private static function addShadow($itemid)
1491 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1492 $condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
1493 $item = Post::selectFirst($fields, $condition);
1495 if (!DBA::isResult($item)) {
1499 // is it already a copy?
1500 if (($itemid == 0) || ($item['uid'] == 0)) {
1504 // Is it a visible public post?
1505 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1509 // is it an entry from a connector? Only add an entry for natively connected networks
1510 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1514 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1518 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1520 if (DBA::isResult($item)) {
1521 // Preparing public shadow (removing user specific data)
1524 unset($item['parent']);
1525 unset($item['wall']);
1526 unset($item['mention']);
1527 unset($item['origin']);
1528 unset($item['starred']);
1529 unset($item['postopts']);
1530 unset($item['inform']);
1531 unset($item['post-reason']);
1532 if ($item['uri-id'] == $item['parent-uri-id']) {
1533 $item['contact-id'] = $item['owner-id'];
1535 $item['contact-id'] = $item['author-id'];
1538 $public_shadow = self::insert($item, false, true);
1540 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1545 * Add a shadow entry for a given item id that is a comment
1547 * This function does the same like the function above - but for comments
1549 * @param integer $itemid Item ID that should be added
1550 * @throws \Exception
1552 private static function addShadowPost($itemid)
1554 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1555 if (!DBA::isResult($item)) {
1559 // Is it a toplevel post?
1560 if ($item['gravity'] == GRAVITY_PARENT) {
1561 self::addShadow($itemid);
1565 // Is this a shadow entry?
1566 if ($item['uid'] == 0) {
1570 // Is there a shadow parent?
1571 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1575 // Is there already a shadow entry?
1576 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1580 // Save "origin" and "parent" state
1581 $origin = $item['origin'];
1582 $parent = $item['parent'];
1584 // Preparing public shadow (removing user specific data)
1587 unset($item['parent']);
1588 unset($item['wall']);
1589 unset($item['mention']);
1590 unset($item['origin']);
1591 unset($item['starred']);
1592 unset($item['postopts']);
1593 unset($item['inform']);
1594 unset($item['post-reason']);
1595 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1597 $public_shadow = self::insert($item, false, true);
1599 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1601 // If this was a comment to a Diaspora post we don't get our comment back.
1602 // This means that we have to distribute the comment by ourselves.
1603 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1604 self::distribute($public_shadow);
1609 * Adds a language specification in a "language" element of given $arr.
1610 * Expects "body" element to exist in $arr.
1612 * @param array $item
1613 * @return string detected language
1614 * @throws \Text_LanguageDetect_Exception
1616 private static function getLanguage(array $item)
1618 if (!empty($item['language'])) {
1619 return $item['language'];
1622 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1626 // Convert attachments to links
1627 $naked_body = BBCode::removeAttachment($item['body']);
1628 if (empty($naked_body)) {
1632 // Remove links and pictures
1633 $naked_body = BBCode::removeLinks($naked_body);
1635 // Convert the title and the body to plain text
1636 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1638 // Remove possibly remaining links
1639 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1641 if (empty($naked_body)) {
1645 $ld = new Language(DI::l10n()->getAvailableLanguages());
1646 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1647 if (is_array($languages)) {
1648 return json_encode($languages);
1654 public static function getLanguageMessage(array $item)
1656 $iso639 = new \Matriphe\ISO639\ISO639;
1658 $used_languages = '';
1659 foreach (json_decode($item['language'], true) as $language => $reliability) {
1660 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1662 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1663 return $used_languages;
1667 * Creates an unique guid out of a given uri
1669 * @param string $uri uri of an item entry
1670 * @param string $host hostname for the GUID prefix
1671 * @return string unique guid
1673 public static function guidFromUri($uri, $host)
1675 // Our regular guid routine is using this kind of prefix as well
1676 // We have to avoid that different routines could accidentally create the same value
1677 $parsed = parse_url($uri);
1679 // We use a hash of the hostname as prefix for the guid
1680 $guid_prefix = hash("crc32", $host);
1682 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1683 unset($parsed["scheme"]);
1685 // Glue it together to be able to make a hash from it
1686 $host_id = implode("/", $parsed);
1688 // We could use any hash algorithm since it isn't a security issue
1689 $host_hash = hash("ripemd128", $host_id);
1691 return $guid_prefix.$host_hash;
1695 * generate an unique URI
1697 * @param integer $uid User id
1698 * @param string $guid An existing GUID (Otherwise it will be generated)
1701 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1703 public static function newURI($uid, $guid = "")
1706 $guid = System::createUUID();
1709 return DI::baseUrl()->get() . '/objects/' . $guid;
1713 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1715 * This can be used to filter for inactive contacts.
1716 * Only do this for public postings to avoid privacy problems, since poco data is public.
1717 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1719 * @param array $arr Contains the just posted item record
1720 * @throws \Exception
1722 private static function updateContact($arr)
1724 // Unarchive the author
1725 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1726 if (DBA::isResult($contact)) {
1727 Contact::unmarkForArchival($contact);
1730 // Unarchive the contact if it's not our own contact
1731 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1732 if (DBA::isResult($contact)) {
1733 Contact::unmarkForArchival($contact);
1736 /// @todo On private posts we could obfuscate the date
1737 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1739 // Is it a forum? Then we don't care about the rules from above
1740 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1741 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1747 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1748 // So we have to ensure to only update the last item when it had been our own post,
1749 // or it had been done by a "regular" contact.
1750 if (!empty($arr['wall'])) {
1751 $condition = ['id' => $arr['contact-id']];
1753 $condition = ['id' => $arr['contact-id'], 'self' => false];
1755 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1757 // Now do the same for the system wide contacts with uid=0
1758 if ($arr['private'] != self::PRIVATE) {
1759 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1760 ['id' => $arr['owner-id']]);
1762 if ($arr['owner-id'] != $arr['author-id']) {
1763 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1764 ['id' => $arr['author-id']]);
1769 public static function setHashtags($body)
1771 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1772 $tags = BBCode::getTags($body);
1775 if (!count($tags)) {
1779 // This sorting is important when there are hashtags that are part of other hashtags
1780 // Otherwise there could be problems with hashtags like #test and #test2
1781 // Because of this we are sorting from the longest to the shortest tag.
1782 usort($tags, function ($a, $b) {
1783 return strlen($b) <=> strlen($a);
1786 $URLSearchString = "^\[\]";
1788 // All hashtags should point to the home server if "local_tags" is activated
1789 if (DI::config()->get('system', 'local_tags')) {
1790 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1791 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1794 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1795 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1797 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1800 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1802 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1805 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
1807 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1810 // Repair recursive urls
1811 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1814 foreach ($tags as $tag) {
1815 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1819 $basetag = str_replace('_', ' ', substr($tag, 1));
1820 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1822 $body = str_replace($tag, $newtag, $body);
1825 // Convert back the masked hashtags
1826 $body = str_replace("#", "#", $body);
1835 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1838 * @param int $item_id
1839 * @return boolean true if item was deleted, else false
1840 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1841 * @throws \ImagickException
1843 private static function tagDeliver($uid, $item_id)
1847 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1848 if (!DBA::isResult($user)) {
1852 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1853 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1855 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1856 if (!DBA::isResult($item)) {
1860 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1863 * Diaspora uses their own hardwired link URL in @-tags
1864 * instead of the one we supply with webfinger
1866 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1868 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1870 foreach ($matches as $mtch) {
1871 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1873 Logger::log('mention found: ' . $mtch[2]);
1879 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1880 foreach ($tags as $tag) {
1881 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
1883 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
1889 if (($community_page || $prvgroup) &&
1890 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
1891 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item['id'], 'guid'=> $item['guid']]);
1892 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1898 $arr = ['item' => $item, 'user' => $user];
1900 Hook::callAll('tagged', $arr);
1902 if (!$community_page && !$prvgroup) {
1907 * tgroup delivery - setup a second delivery chain
1908 * prevent delivery looping - only proceed
1909 * if the message originated elsewhere and is a top-level post
1911 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1915 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1916 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1917 if (!DBA::isResult($self)) {
1921 $owner_id = Contact::getIdForURL($self['url']);
1923 // also reset all the privacy bits to the forum default permissions
1925 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
1927 $psid = PermissionSet::getIdFromACL(
1935 $forum_mode = ($prvgroup ? 2 : 1);
1937 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1938 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
1939 self::update($fields, ['id' => $item['id']]);
1941 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, (int)$item['uri-id'], (int)$item['uid']);
1943 self::performActivity($item['id'], 'announce', $uid);
1949 * Automatically reshare the item if the "remote_self" option is selected
1951 * @param array $item
1954 private static function autoReshare(array $item)
1956 if ($item['gravity'] != GRAVITY_PARENT) {
1960 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
1964 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1968 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1970 self::performActivity($item['id'], 'announce', $item['uid']);
1973 public static function isRemoteSelf($contact, &$datarray)
1975 if (!$contact['remote_self']) {
1979 // Prevent the forwarding of posts that are forwarded
1980 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
1981 Logger::info('Already forwarded');
1985 // Prevent to forward already forwarded posts
1986 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
1987 Logger::info('Already forwarded (second test)');
1991 // Only forward posts
1992 if ($datarray["verb"] != Activity::POST) {
1993 Logger::info('No post');
1997 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
1998 Logger::info('Not public');
2002 $datarray2 = $datarray;
2003 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2004 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2005 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2006 ['uid' => $contact['uid'], 'self' => true]);
2007 if (DBA::isResult($self)) {
2008 $datarray['contact-id'] = $self["id"];
2010 $datarray['owner-name'] = $self["name"];
2011 $datarray['owner-link'] = $self["url"];
2012 $datarray['owner-avatar'] = $self["thumb"];
2014 $datarray['author-name'] = $datarray['owner-name'];
2015 $datarray['author-link'] = $datarray['owner-link'];
2016 $datarray['author-avatar'] = $datarray['owner-avatar'];
2018 unset($datarray['edited']);
2020 unset($datarray['network']);
2021 unset($datarray['owner-id']);
2022 unset($datarray['author-id']);
2025 if ($contact['network'] != Protocol::FEED) {
2026 $old_uri_id = $datarray["uri-id"] ?? 0;
2027 $datarray["guid"] = System::createUUID();
2028 unset($datarray["plink"]);
2029 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2030 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2031 $datarray["extid"] = Protocol::DFRN;
2032 $urlpart = parse_url($datarray2['author-link']);
2033 $datarray["app"] = $urlpart["host"];
2034 if (!empty($old_uri_id)) {
2035 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2038 unset($datarray["parent-uri"]);
2039 unset($datarray["thr-parent"]);
2041 $datarray['private'] = self::PUBLIC;
2045 if ($contact['network'] != Protocol::FEED) {
2046 // Store the original post
2047 $result = self::insert($datarray2);
2048 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2050 $datarray["app"] = "Feed";
2054 return (bool)$result;
2061 * @param array $item
2064 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2065 * @throws \ImagickException
2067 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2069 if (DI::config()->get('system', 'disable_embedded')) {
2073 Logger::info('check for photos');
2074 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2079 $img_start = strpos($orig_body, '[img');
2080 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2081 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2083 while (($img_st_close !== false) && ($img_len !== false)) {
2084 $img_st_close++; // make it point to AFTER the closing bracket
2085 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2087 Logger::info('found photo', ['image' => $image]);
2089 if (stristr($image, $site . '/photo/')) {
2090 // Only embed locally hosted photos
2092 $i = basename($image);
2093 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2094 $x = strpos($i, '-');
2097 $res = substr($i, $x + 1);
2098 $i = substr($i, 0, $x);
2099 $photo = Photo::getPhotoForUser($uid, $i, $res);
2100 if (DBA::isResult($photo)) {
2102 * Check to see if we should replace this photo link with an embedded image
2103 * 1. No need to do so if the photo is public
2104 * 2. If there's a contact-id provided, see if they're in the access list
2105 * for the photo. If so, embed it.
2106 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2107 * permissions, regardless of order but first check to see if they're an exact
2108 * match to save some processing overhead.
2110 if (self::hasPermissions($photo)) {
2112 $recips = self::enumeratePermissions($photo);
2113 if (in_array($cid, $recips)) {
2117 if (self::samePermissions($uid, $item, $photo)) {
2123 $photo_img = Photo::getImageForPhoto($photo);
2124 // If a custom width and height were specified, apply before embedding
2125 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2126 Logger::info('scaling photo');
2128 $width = intval($match[1]);
2129 $height = intval($match[2]);
2131 $photo_img->scaleDown(max($width, $height));
2134 $data = $photo_img->asString();
2135 $type = $photo_img->getType();
2137 Logger::info('replacing photo');
2138 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2139 Logger::debug('replaced', ['image' => $image]);
2145 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2146 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2147 if ($orig_body === false) {
2151 $img_start = strpos($orig_body, '[img');
2152 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2153 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2156 $new_body = $new_body . $orig_body;
2161 private static function hasPermissions($obj)
2163 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2164 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2167 private static function samePermissions($uid, $obj1, $obj2)
2169 // first part is easy. Check that these are exactly the same.
2170 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2171 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2172 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2173 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2177 // This is harder. Parse all the permissions and compare the resulting set.
2178 $recipients1 = self::enumeratePermissions($obj1);
2179 $recipients2 = self::enumeratePermissions($obj2);
2183 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2184 return ($recipients1 == $recipients2);
2188 * Returns an array of contact-ids that are allowed to see this object
2190 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2191 * @param bool $check_dead Prunes unavailable contacts from the result
2193 * @throws \Exception
2195 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2197 $aclFormater = DI::aclFormatter();
2199 $allow_people = $aclFormater->expand($obj['allow_cid']);
2200 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2201 $deny_people = $aclFormater->expand($obj['deny_cid']);
2202 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2203 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2204 $deny = array_unique(array_merge($deny_people, $deny_groups));
2205 $recipients = array_diff($recipients, $deny);
2209 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2211 if (!$uid || ($days < 1)) {
2215 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2216 $uid, GRAVITY_PARENT];
2219 * $expire_network_only = save your own wall posts
2220 * and just expire conversations started by others
2222 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2224 if ($expire_network_only) {
2225 $condition[0] .= " AND NOT `wall`";
2228 if ($network != "") {
2229 $condition[0] .= " AND `network` = ?";
2230 $condition[] = $network;
2233 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2234 $condition[] = $days;
2236 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2238 if (!DBA::isResult($items)) {
2242 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2244 // Forcing expiring of items - but not notes and marked items
2246 $expire_items = true;
2249 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2250 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2251 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2255 $priority = DI::config()->get('system', 'expire-notify-priority');
2257 while ($item = Post::fetch($items)) {
2258 // don't expire filed items
2259 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2263 // Only expire posts, not photos and photo comments
2265 if (!$expire_photos && !empty($item['resource-id'])) {
2267 } elseif (!$expire_starred && intval($item['starred'])) {
2269 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2271 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2275 self::markForDeletionById($item['id'], $priority);
2280 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2283 public static function firstPostDate($uid, $wall = false)
2285 $user = User::getById($uid, ['register_date']);
2290 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2291 $uid, $wall, $user['register_date']];
2292 $params = ['order' => ['received' => false]];
2293 $thread = Post::selectFirstThread(['received'], $condition, $params);
2294 if (DBA::isResult($thread)) {
2295 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2302 * add/remove activity to an item
2304 * Toggle activities as like,dislike,attend of an item
2306 * @param int $item_id
2307 * @param string $verb
2308 * Activity verb. One of
2309 * like, unlike, dislike, undislike, attendyes, unattendyes,
2310 * attendno, unattendno, attendmaybe, unattendmaybe,
2311 * announce, unannouce
2313 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2314 * @throws \ImagickException
2315 * @hook 'post_local_end'
2317 * 'post_id' => ID of posted item
2319 public static function performActivity(int $item_id, string $verb, int $uid)
2325 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2327 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2328 if (!DBA::isResult($item)) {
2329 Logger::log('like: unknown item ' . $item_id);
2333 $uri_id = $item['uri-id'];
2335 if (!in_array($item['uid'], [0, $uid])) {
2339 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2340 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2341 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2342 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2343 if (!DBA::isResult($item)) {
2344 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2350 // Retrieves the local post owner
2351 $owner = User::getOwnerDataById($uid);
2352 if (empty($owner)) {
2353 Logger::info('Empty owner for user', ['uid' => $uid]);
2357 // Retrieve the current logged in user's public contact
2358 $author_id = Contact::getIdForURL($owner['url']);
2359 if (empty($author_id)) {
2360 Logger::info('Empty public contact');
2368 $activity = Activity::LIKE;
2372 $activity = Activity::DISLIKE;
2376 $activity = Activity::ATTEND;
2380 $activity = Activity::ATTENDNO;
2383 case 'unattendmaybe':
2384 $activity = Activity::ATTENDMAYBE;
2388 $activity = Activity::FOLLOW;
2392 $activity = Activity::ANNOUNCE;
2395 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2399 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2401 // Enable activity toggling instead of on/off
2402 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2404 // Look for an existing verb row
2405 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2406 if ($event_verb_flag) {
2407 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2409 // Translate to the index based activity index
2411 foreach ($verbs as $verb) {
2412 $vids[] = Verb::getID($verb);
2415 $vids = Verb::getID($activity);
2418 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2419 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2420 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2422 if (DBA::isResult($like_item)) {
2424 * Truth table for existing activities
2426 * | Inputs || Outputs |
2427 * |----------------------------||-------------------|
2428 * | Mode | Event | Same verb || Delete? | Return? |
2429 * |--------|-------|-----------||---------|---------|
2430 * | create | Yes | Yes || No | Yes |
2431 * | create | Yes | No || Yes | No |
2432 * | create | No | Yes || No | Yes |
2433 * | create | No | No || N/A†|
2434 * | delete | Yes | Yes || Yes | N/A‡ |
2435 * | delete | Yes | No || No | N/A‡ |
2436 * | delete | No | Yes || Yes | N/A‡ |
2437 * | delete | No | No || N/A†|
2438 * |--------|-------|-----------||---------|---------|
2439 * | A | B | C || A xor C | !B or C |
2441 * †Can't happen: It's impossible to find an existing non-event activity without
2442 * the same verb because we are only looking for this single verb.
2444 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2446 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2447 self::markForDeletionById($like_item['id']);
2450 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2455 // No need to go further if we aren't creating anything
2456 if ($mode == 'delete') {
2460 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2463 'guid' => System::createUUID(),
2464 'uri' => self::newURI($item['uid']),
2465 'uid' => $item['uid'],
2466 'contact-id' => $owner['id'],
2467 'wall' => $item['wall'],
2469 'network' => Protocol::DFRN,
2470 'protocol' => Conversation::PARCEL_DIRECT,
2471 'direction' => Conversation::PUSH,
2472 'gravity' => GRAVITY_ACTIVITY,
2473 'parent' => $item['id'],
2474 'thr-parent' => $item['uri'],
2475 'owner-id' => $author_id,
2476 'author-id' => $author_id,
2477 'body' => $activity,
2478 'verb' => $activity,
2479 'object-type' => $objtype,
2480 'allow_cid' => $item['allow_cid'],
2481 'allow_gid' => $item['allow_gid'],
2482 'deny_cid' => $item['deny_cid'],
2483 'deny_gid' => $item['deny_gid'],
2488 $signed = Diaspora::createLikeSignature($uid, $new_item);
2489 if (!empty($signed)) {
2490 $new_item['diaspora_signed_text'] = json_encode($signed);
2493 $new_item_id = self::insert($new_item);
2495 // If the parent item isn't visible then set it to visible
2496 if (!$item['visible']) {
2497 self::update(['visible' => true], ['id' => $item['id']]);
2500 $new_item['id'] = $new_item_id;
2502 Hook::callAll('post_local_end', $new_item);
2508 * Fetch the SQL condition for the given user id
2510 * @param integer $owner_id User ID for which the permissions should be fetched
2511 * @return array condition
2513 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2515 $local_user = local_user();
2516 $remote_user = Session::getRemoteContactID($owner_id);
2518 // default permissions - anonymous user
2519 $condition = ["`private` != ?", self::PRIVATE];
2521 if ($local_user && ($local_user == $owner_id)) {
2522 // Profile owner - everything is visible
2524 } elseif ($remote_user) {
2525 // Authenticated visitor - fetch the matching permissionsets
2526 $set = PermissionSet::get($owner_id, $remote_user);
2528 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2529 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2530 self::PRIVATE, self::PRIVATE];
2531 $condition = array_merge($condition, $set);
2539 * Get a permission SQL string for the given user
2541 * @param int $owner_id
2542 * @param string $table
2545 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2547 $local_user = local_user();
2548 $remote_user = Session::getRemoteContactID($owner_id);
2550 if (!empty($table)) {
2551 $table = DBA::quoteIdentifier($table) . '.';
2555 * Construct permissions
2557 * default permissions - anonymous user
2559 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2561 // Profile owner - everything is visible
2562 if ($local_user && ($local_user == $owner_id)) {
2564 } elseif ($remote_user) {
2566 * Authenticated visitor. Unless pre-verified,
2567 * check that the contact belongs to this $owner_id
2568 * and load the groups the visitor belongs to.
2569 * If pre-verified, the caller is expected to have already
2570 * done this and passed the groups into this function.
2572 $set = PermissionSet::get($owner_id, $remote_user);
2575 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2580 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2587 * get translated item type
2589 * @param array $item
2590 * @param \Friendica\Core\L10n $l10n
2593 public static function postType(array $item, \Friendica\Core\L10n $l10n)
2595 if (!empty($item['event-id'])) {
2596 return $l10n->t('event');
2597 } elseif (!empty($item['resource-id'])) {
2598 return $l10n->t('photo');
2599 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2600 return $l10n->t('activity');
2601 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2602 return $l10n->t('comment');
2605 return $l10n->t('post');
2609 * Sets the "rendered-html" field of the provided item
2611 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2613 * @param array $item
2615 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2616 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2618 public static function putInCache(&$item)
2620 // Save original body to prevent addons to modify it
2621 $body = $item['body'];
2623 $rendered_hash = $item['rendered-hash'] ?? '';
2624 $rendered_html = $item['rendered-html'] ?? '';
2626 if ($rendered_hash == ''
2627 || $rendered_html == ''
2628 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2629 || DI::config()->get('system', 'ignore_cache')
2631 self::addRedirToImageTags($item);
2633 $item['rendered-html'] = BBCode::convert($item['body']);
2634 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2636 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2637 Hook::callAll('put_item_in_cache', $hook_data);
2638 $item['rendered-html'] = $hook_data['rendered-html'];
2639 $item['rendered-hash'] = $hook_data['rendered-hash'];
2642 // Update if the generated values differ from the existing ones
2643 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2646 'rendered-html' => $item['rendered-html'],
2647 'rendered-hash' => $item['rendered-hash']
2649 ['id' => $item['id']]
2654 $item['body'] = $body;
2658 * Find any non-embedded images in private items and add redir links to them
2660 * @param array &$item The field array of an item row
2662 private static function addRedirToImageTags(array &$item)
2667 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2669 foreach ($matches as $mtch) {
2670 if (strpos($mtch[1], '/redir') !== false) {
2674 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2675 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2676 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2683 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2684 * If attach is true, also add icons for item attachments.
2686 * @param array $item
2687 * @param boolean $attach
2688 * @param boolean $is_preview
2689 * @return string item body html
2690 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2691 * @throws \ImagickException
2692 * @hook prepare_body_init item array before any work
2693 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2694 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2695 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2697 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2700 Hook::callAll('prepare_body_init', $item);
2702 // In order to provide theme developers more possibilities, event items
2703 // are treated differently.
2704 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2705 $ev = Event::getItemHTML($item);
2709 $tags = Tag::populateFromItem($item);
2711 $item['tags'] = $tags['tags'];
2712 $item['hashtags'] = $tags['hashtags'];
2713 $item['mentions'] = $tags['mentions'];
2715 // Compile eventual content filter reasons
2716 $filter_reasons = [];
2717 if (!$is_preview && public_contact() != $item['author-id']) {
2718 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2719 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2724 'filter_reasons' => $filter_reasons
2726 Hook::callAll('prepare_body_content_filter', $hook_data);
2727 $filter_reasons = $hook_data['filter_reasons'];
2731 $body = $item['body'] ?? '';
2732 $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
2733 self::putInCache($item);
2734 $item['body'] = $body;
2735 $s = $item["rendered-html"];
2740 'preview' => $is_preview,
2741 'filter_reasons' => $filter_reasons
2743 Hook::callAll('prepare_body', $hook_data);
2744 $s = $hook_data['html'];
2748 // Replace the blockquotes with quotes that are used in mails.
2749 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2750 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2754 $shared = BBCode::fetchShareAttributes($item['body']);
2755 if (!empty($shared['guid'])) {
2756 $shared_item = Post::selectFirst(['uri-id', 'plink'], ['guid' => $shared['guid']]);
2757 $shared_uri_id = $shared_item['uri-id'] ?? 0;
2758 $shared_links = [strtolower($shared_item['plink'] ?? '')];
2759 $attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid']);
2760 $s = self::addVisualAttachments($attachments, $item, $s, true);
2761 $s = self::addLinkAttachment($attachments, $body, $s, true, []);
2762 $s = self::addNonVisualAttachments($attachments, $item, $s, true);
2763 $shared_links = array_merge($shared_links, array_column($attachments['visual'], 'url'));
2764 $shared_links = array_merge($shared_links, array_column($attachments['link'], 'url'));
2765 $shared_links = array_merge($shared_links, array_column($attachments['additional'], 'url'));
2766 $body = preg_replace("/\s*\[share .*?\].*?\[\/share\]\s*/ism", '', $body);
2772 $attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links);
2773 $s = self::addVisualAttachments($attachments, $item, $s, false);
2774 $s = self::addLinkAttachment($attachments, $body, $s, false, $shared_links);
2775 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
2778 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2779 $x = Map::byCoordinates(trim($item['coord']));
2781 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2785 // Replace friendica image url size with theme preference.
2786 if (!empty($a->theme_info['item_image_size'])) {
2787 $ps = $a->theme_info['item_image_size'];
2788 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2791 $s = HTML::applyContentFilter($s, $filter_reasons);
2793 $hook_data = ['item' => $item, 'html' => $s];
2794 Hook::callAll('prepare_body_final', $hook_data);
2796 return $hook_data['html'];
2800 * Check if the body contains a link
2802 * @param string $body
2803 * @param string $url
2807 public static function containsLink(string $body, string $url, int $type = 0)
2809 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
2810 $urlparts = parse_url($url);
2811 unset($urlparts['query']);
2812 unset($urlparts['fragment']);
2813 $url = Network::unparseURL($urlparts);
2815 // Remove media links to only search in embedded content
2816 // @todo Check images for image link, audio for audio links, ...
2817 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
2818 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
2821 if (strpos($body, $url)) {
2824 foreach ([0, 1, 2] as $size) {
2825 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
2826 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
2834 * Add visual attachments to the content
2836 * @param array $attachments
2837 * @param array $item
2838 * @param string $content
2839 * @return string modified content
2841 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared)
2843 $stamp1 = microtime(true);
2847 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
2848 foreach ($attachments['visual'] as $attachment) {
2849 if (self::containsLink($item['body'], $attachment['url'], $attachment['type'])) {
2853 $author = ['uid' => 0, 'id' => $item['author-id'],
2854 'network' => $item['author-network'], 'url' => $item['author-link']];
2855 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
2857 if (!empty($attachment['preview'])) {
2858 $preview_url = Proxy::proxifyUrl(Contact::magicLinkByContact($author, $attachment['preview']));
2863 if (($attachment['filetype'] == 'video')) {
2864 /// @todo Move the template to /content as well
2865 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2867 'id' => $attachment['id'],
2869 'name' => $attachment['name'] ?: $attachment['url'],
2870 'preview' => $preview_url,
2871 'mime' => $attachment['mimetype'],
2874 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
2877 $trailing .= $media;
2879 } elseif ($attachment['filetype'] == 'audio') {
2880 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
2882 'id' => $attachment['id'],
2884 'name' => $attachment['name'] ?: $attachment['url'],
2885 'mime' => $attachment['mimetype'],
2888 if ($item['post-type'] == Item::PT_AUDIO) {
2891 $trailing .= $media;
2893 } elseif ($attachment['filetype'] == 'image') {
2894 if (empty($preview_url) && (max($attachment['width'], $attachment['height']) > 600)) {
2895 $preview_url = Proxy::proxifyUrl($the_url, false, ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE);
2897 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
2899 'src' => Proxy::proxifyUrl($the_url),
2900 'preview' => $preview_url,
2901 'attachment' => $attachment,
2904 // On Diaspora posts the attached pictures are leading
2905 if ($item['network'] == Protocol::DIASPORA) {
2908 $trailing .= $media;
2914 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . BBCode::TOP_ANCHOR, $content);
2915 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>' . BBCode::BOTTOM_ANCHOR, $content);
2917 if ($leading != '') {
2918 $content = '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . $content;
2921 if ($trailing != '') {
2922 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
2926 DI::profiler()->saveTimestamp($stamp1, 'rendering');
2931 * Add link attachment to the content
2933 * @param array $attachments
2934 * @param string $body
2935 * @param string $content
2936 * @param bool $shared
2937 * @param array $ignore_links A list of URLs to ignore
2938 * @return string modified content
2940 private static function addLinkAttachment(array $attachments, string $body, string $content, bool $shared, array $ignore_links)
2942 $stamp1 = microtime(true);
2943 // @ToDo Check only for audio and video
2944 $preview = empty($attachments['visual']);
2946 if (!empty($attachments['link'])) {
2947 foreach ($attachments['link'] as $link) {
2949 foreach ($ignore_links as $ignore_link) {
2950 if (Strings::compareLink($link['url'], $ignore_link)) {
2954 // @todo Judge between the links to use the one with most information
2955 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
2956 (empty($attachment['name']) && !empty($link['name'])) ||
2957 (empty($attachment['description']) && !empty($link['description'])) ||
2958 (empty($attachment['preview']) && !empty($link['preview'])))) {
2959 $attachment = $link;
2964 if (!empty($attachment)) {
2967 'author_name' => $attachment['author-name'] ?? '',
2968 'author_url' => $attachment['author-url'] ?? '',
2969 'description' => $attachment['description'] ?? '',
2972 'provider_name' => $attachment['publisher-name'] ?? '',
2973 'provider_url' => $attachment['publisher-url'] ?? '',
2975 'title' => $attachment['name'] ?? '',
2977 'url' => $attachment['url']];
2980 if ($attachment['preview-width'] >= 500) {
2981 $data['image'] = $attachment['preview'] ?? '';
2983 $data['preview'] = $attachment['preview'] ?? '';
2987 if (!empty($data['description']) && !empty($content)) {
2988 similar_text($data['description'], $content, $percent);
2993 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
2994 $data['description'] = '';
2997 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
2998 $data['author_name'] = '';
3001 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3002 $data['author_url'] = '';
3004 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3005 $data = BBCode::getAttachmentData($match[1]);
3007 DI::profiler()->saveTimestamp($stamp1, 'rendering');
3009 if (isset($data['url']) && !in_array($data['url'], $ignore_links)) {
3010 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview'])) {
3011 $parts = parse_url($data['url']);
3012 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3013 if (empty($data['provider_name'])) {
3014 $data['provider_name'] = $parts['host'];
3016 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3017 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3019 if (!empty($parts['port'])) {
3020 $data['provider_url'] .= ':' . $parts['port'];
3025 // @todo Use a template
3026 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data);
3027 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3028 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3029 '$url' => $data['url'],
3030 '$title' => $data['title'],
3037 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3039 return $content . $rendered;
3046 * Add non visual attachments to the content
3048 * @param array $attachments
3049 * @param array $item
3050 * @param string $content
3051 * @return string modified content
3053 private static function addNonVisualAttachments(array $attachments, array $item, string $content)
3055 $stamp1 = microtime(true);
3057 foreach ($attachments['additional'] as $attachment) {
3058 if (strpos($item['body'], $attachment['url'])) {
3062 $author = ['uid' => 0, 'id' => $item['author-id'],
3063 'network' => $item['author-network'], 'url' => $item['author-link']];
3064 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3066 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3068 if (!empty($attachment['size'])) {
3069 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3072 /// @todo Use a template
3073 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3074 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3077 if ($trailing != '') {
3078 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3081 DI::profiler()->saveTimestamp($stamp1, 'rendering');
3086 * get private link for item
3088 * @param array $item
3089 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3090 * @throws \Exception
3092 public static function getPlink($item)
3096 'href' => "display/" . $item['guid'],
3097 'orig' => "display/" . $item['guid'],
3098 'title' => DI::l10n()->t('View on separate page'),
3099 'orig_title' => DI::l10n()->t('View on separate page'),
3102 if (!empty($item['plink'])) {
3103 $ret['href'] = DI::baseUrl()->remove($item['plink']);
3104 $ret['title'] = DI::l10n()->t('Link to source');
3106 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3108 'href' => $item['plink'],
3109 'orig' => $item['plink'],
3110 'title' => DI::l10n()->t('Link to source'),
3111 'orig_title' => DI::l10n()->t('Link to source'),
3121 * Is the given item array a post that is sent as starting post to a forum?
3123 * @param array $item
3124 * @param array $owner
3126 * @return boolean "true" when it is a forum post
3128 public static function isForumPost(array $item, array $owner = [])
3130 if (empty($owner)) {
3131 $owner = User::getOwnerDataById($item['uid']);
3132 if (empty($owner)) {
3137 if (($item['author-id'] == $item['owner-id']) ||
3138 ($owner['id'] == $item['contact-id']) ||
3139 ($item['uri-id'] != $item['parent-uri-id']) ||
3144 return Contact::isForum($item['contact-id']);
3148 * Search item id for given URI or plink
3150 * @param string $uri
3151 * @param integer $uid
3153 * @return integer item id
3155 public static function searchByLink($uri, $uid = 0)
3157 $ssl_uri = str_replace('http://', 'https://', $uri);
3158 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3160 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3161 if (DBA::isResult($item)) {
3165 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3166 if (DBA::isResult($item)) {
3174 * Return the URI for a link to the post
3176 * @param string $uri URI or link to post
3178 * @return string URI
3180 public static function getURIByLink(string $uri)
3182 $ssl_uri = str_replace('http://', 'https://', $uri);
3183 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3185 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3186 if (DBA::isResult($item)) {
3187 return $item['uri'];
3190 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3191 if (DBA::isResult($item)) {
3192 return $item['uri'];
3199 * Fetches item for given URI or plink
3201 * @param string $uri
3202 * @param integer $uid
3204 * @return integer item id
3206 public static function fetchByLink(string $uri, int $uid = 0)
3208 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3209 $item_id = self::searchByLink($uri, $uid);
3210 if (!empty($item_id)) {
3211 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3215 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3216 $item_id = self::searchByLink($fetched_uri, $uid);
3218 $item_id = Diaspora::fetchByURL($uri);
3221 if (!empty($item_id)) {
3222 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3226 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3231 * Return share data from an item array (if the item is shared item)
3232 * We are providing the complete Item array, because at some time in the future
3233 * we hopefully will define these values not in the body anymore but in some item fields.
3234 * This function is meant to replace all similar functions in the system.
3236 * @param array $item
3238 * @return array with share information
3240 public static function getShareArray($item)
3242 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3246 $attribute_string = $matches[2];
3247 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3248 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3249 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3250 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3257 * Fetch item information for shared items from the original items and adds it.
3259 * @param array $item
3261 * @return array item array with data from the original item
3263 public static function addShareDataFromOriginal(array $item)
3265 $shared = self::getShareArray($item);
3266 if (empty($shared)) {
3270 // Real reshares always have got a GUID.
3271 if (empty($shared['guid'])) {
3275 $uid = $item['uid'] ?? 0;
3277 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3278 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3279 if (!DBA::isResult($shared_item)) {
3280 if (empty($shared['link'])) {
3284 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3285 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3287 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3291 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3292 if (!DBA::isResult($shared_item)) {
3295 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3297 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3300 if (!empty($shared_item['title'])) {
3301 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3302 unset($shared_item['title']);
3304 $body = $shared_item['body'];
3307 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3308 unset($shared_item['body']);
3310 return array_merge($item, $shared_item);
3314 * Check a prospective item array against user-level permissions
3316 * @param array $item Expected keys: uri, gravity, and
3317 * author-link if is author-id is set,
3318 * owner-link if is owner-id is set,
3319 * causer-link if is causer-id is set.
3320 * @param int $user_id Local user ID
3322 * @throws \Exception
3324 protected static function isAllowedByUser(array $item, int $user_id)
3326 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3327 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3331 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3332 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3336 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3337 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3338 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3342 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3343 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3351 * Improve the data in shared posts
3353 * @param array $item
3354 * @return string body
3356 public static function improveSharedDataInBody(array $item)
3358 $shared = BBCode::fetchShareAttributes($item['body']);
3359 if (empty($shared['link'])) {
3360 return $item['body'];
3363 $id = self::fetchByLink($shared['link']);
3364 Logger::info('Fetched shared post', ['uri-id' => $item['uri-id'], 'id' => $id, 'author' => $shared['profile'], 'url' => $shared['link'], 'guid' => $shared['guid'], 'callstack' => System::callstack()]);
3366 return $item['body'];
3369 $shared_item = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'title', 'body'], ['id' => $id]);
3370 if (!DBA::isResult($shared_item)) {
3371 return $item['body'];
3374 $shared_content = BBCode::getShareOpeningTag($shared_item['author-name'], $shared_item['author-link'], $shared_item['author-avatar'], $shared_item['plink'], $shared_item['created'], $shared_item['guid']);
3376 if (!empty($shared_item['title'])) {
3377 $shared_content .= '[h3]'.$shared_item['title'].'[/h3]'."\n";
3380 $shared_content .= $shared_item['body'];
3382 $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $shared_content . '[/share]', $item['body']);
3383 Logger::info('New shared data', ['uri-id' => $item['uri-id'], 'id' => $id, 'shared_item' => $shared_item]);
3384 return $item['body'];