3 * @copyright Copyright (C) 2010-2022, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
36 use Friendica\Model\Post;
37 use Friendica\Protocol\Activity;
38 use Friendica\Protocol\ActivityPub;
39 use Friendica\Protocol\Diaspora;
40 use Friendica\Util\DateTimeFormat;
41 use Friendica\Util\Map;
42 use Friendica\Util\Network;
43 use Friendica\Util\Proxy;
44 use Friendica\Util\Strings;
45 use Friendica\Worker\Delivery;
46 use LanguageDetection\Language;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
60 const PT_PERSONAL_NOTE = 128;
62 // Posting reasons (Why had a post been stored for a user?)
69 const PR_FOLLOWER = 69;
70 const PR_ANNOUNCEMENT = 70;
71 const PR_COMMENT = 71;
75 const PR_FETCHED = 75;
77 // Field list that is used to display the items
78 const DISPLAY_FIELDLIST = [
79 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
80 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
81 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
82 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
83 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
84 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention', 'global',
85 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
86 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type',
87 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
88 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
89 'writable', 'self', 'cid', 'alias',
90 'event-created', 'event-edited', 'event-start', 'event-finish',
91 'event-summary', 'event-desc', 'event-location', 'event-type',
92 'event-nofinish', 'event-ignore', 'event-id',
93 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
96 // Field list that is used to deliver items via the protocols
97 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
98 'parent-guid', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
99 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
100 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
101 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
102 'author-id', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
103 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'origin',
104 'thr-parent-id', 'parent-uri-id', 'postopts', 'pubmail',
105 'event-created', 'event-edited', 'event-start', 'event-finish',
106 'event-summary', 'event-desc', 'event-location', 'event-type',
107 'event-nofinish', 'event-ignore', 'event-id'];
109 // All fields in the item table
110 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
111 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
112 'contact-id', 'wall', 'gravity', 'extid', 'psid',
113 'created', 'edited', 'commented', 'received', 'changed', 'verb',
114 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
115 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
116 'private', 'pubmail', 'visible', 'starred',
117 'unseen', 'deleted', 'origin', 'mention', 'global', 'network',
118 'title', 'content-warning', 'body', 'location', 'coord', 'app',
119 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
120 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
121 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
123 // List of all verbs that don't need additional content data.
124 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
126 Activity::LIKE, Activity::DISLIKE,
127 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
136 * Update existing item entries
138 * @param array $fields The fields that are to be changed
139 * @param array $condition The condition for finding the item entries
141 * In the future we may have to change permissions as well.
142 * Then we had to add the user id as third parameter.
144 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
146 * @return integer|boolean number of affected rows - or "false" if there was an error
147 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
149 public static function update(array $fields, array $condition)
151 if (empty($condition) || empty($fields)) {
155 if (isset($fields['extid'])) {
156 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
159 if (!empty($fields['verb'])) {
160 $fields['vid'] = Verb::getID($fields['verb']);
163 if (!empty($fields['edited'])) {
164 $previous = Post::selectFirst(['edited'], $condition);
167 $rows = Post::update($fields, $condition);
168 if (is_bool($rows)) {
172 // We only need to call the line by line update for specific fields
173 if (empty($fields['body']) && empty($fields['file']) &&
174 empty($fields['attach']) && empty($fields['edited'])) {
178 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
180 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network'], $condition);
184 while ($item = DBA::fetch($items)) {
185 if (!empty($fields['body'])) {
186 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
188 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
190 // Remove all media attachments from the body and store them in the post-media table
191 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
192 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
193 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
195 if ($item['author-network'] != Protocol::DFRN) {
196 Post\Media::insertFromRelevantUrl($item['uri-id'], $content_fields['raw-body']);
199 Post\Content::update($item['uri-id'], $content_fields);
202 if (!empty($fields['file'])) {
203 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
206 if (!empty($fields['attach'])) {
207 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
210 // We only need to notfiy others when it is an original entry from us.
211 // Only call the notifier when the item had been edited and records had been changed.
212 if ($item['origin'] && !empty($fields['edited']) && ($previous['edited'] != $fields['edited'])) {
213 $notify_items[] = $item['id'];
219 foreach ($notify_items as $notify_item) {
220 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
221 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
228 * Delete an item and notify others about it - if it was ours
230 * @param array $condition The condition for finding the item entries
231 * @param integer $priority Priority for the notification
232 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
234 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
236 $items = Post::select(['id'], $condition);
237 while ($item = Post::fetch($items)) {
238 self::markForDeletionById($item['id'], $priority);
244 * Delete an item for an user and notify others about it - if it was ours
246 * @param array $condition The condition for finding the item entries
247 * @param integer $uid User who wants to delete this item
248 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
250 public static function deleteForUser($condition, $uid)
256 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
257 while ($item = Post::fetch($items)) {
258 if (in_array($item['uid'], [$uid, 0])) {
259 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
260 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
263 if ($item['uid'] == $uid) {
264 self::markForDeletionById($item['id'], PRIORITY_HIGH);
265 } elseif ($item['uid'] != 0) {
266 Logger::notice('Wrong ownership. Not deleting item', ['id' => $item['id']]);
273 * Mark an item for deletion, delete related data and notify others about it - if it was ours
275 * @param integer $item_id
276 * @param integer $priority Priority for the notification
278 * @return boolean success
279 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
281 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
283 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
284 // locate item to be deleted
285 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
286 'deleted', 'resource-id', 'event-id',
287 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
288 $item = Post::selectFirst($fields, ['id' => $item_id]);
289 if (!DBA::isResult($item)) {
290 Logger::info('Item not found.', ['id' => $item_id]);
294 if ($item['deleted']) {
295 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
299 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
300 if (!DBA::isResult($parent)) {
301 $parent = ['origin' => false];
304 // clean up categories and tags so they don't end up as orphans
305 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
308 * If item is a link to a photo resource, nuke all the associated photos
309 * (visitors will not have photo resources)
310 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
311 * generate a resource-id and therefore aren't intimately linked to the item.
313 /// @TODO: this should first check if photo is used elsewhere
314 if (strlen($item['resource-id'])) {
315 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
318 // If item is a link to an event, delete the event.
319 if (intval($item['event-id'])) {
320 Event::delete($item['event-id']);
323 // If item has attachments, drop them
324 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
325 foreach($attachments as $attachment) {
326 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
327 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
331 // Set the item to "deleted"
332 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
333 Post::update($item_fields, ['id' => $item['id']]);
335 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
337 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
338 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
341 Post\DeliveryData::delete($item['uri-id']);
343 // If it's the parent of a comment thread, kill all the kids
344 if ($item['gravity'] == GRAVITY_PARENT) {
345 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
348 // Is it our comment and/or our thread?
349 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
350 // When we delete the original post we will delete all existing copies on the server as well
351 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
353 // send the notification upstream/downstream
355 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
357 } elseif ($item['uid'] != 0) {
358 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
359 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
362 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
367 public static function guid($item, $notify)
369 if (!empty($item['guid'])) {
370 return trim($item['guid']);
374 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
375 // We add the hash of our own host because our host is the original creator of the post.
376 $prefix_host = DI::baseUrl()->getHostname();
380 // We are only storing the post so we create a GUID from the original hostname.
381 if (!empty($item['author-link'])) {
382 $parsed = parse_url($item['author-link']);
383 if (!empty($parsed['host'])) {
384 $prefix_host = $parsed['host'];
388 if (empty($prefix_host) && !empty($item['plink'])) {
389 $parsed = parse_url($item['plink']);
390 if (!empty($parsed['host'])) {
391 $prefix_host = $parsed['host'];
395 if (empty($prefix_host) && !empty($item['uri'])) {
396 $parsed = parse_url($item['uri']);
397 if (!empty($parsed['host'])) {
398 $prefix_host = $parsed['host'];
402 // Is it in the format data@host.tld? - Used for mail contacts
403 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
404 $mailparts = explode('@', $item['author-link']);
405 $prefix_host = array_pop($mailparts);
409 if (!empty($item['plink'])) {
410 $guid = self::guidFromUri($item['plink'], $prefix_host);
411 } elseif (!empty($item['uri'])) {
412 $guid = self::guidFromUri($item['uri'], $prefix_host);
414 $guid = System::createUUID(hash('crc32', $prefix_host));
420 private static function contactId($item)
422 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
423 return $item['contact-id'];
424 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
425 return $item['contact-id'];
426 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
427 return $item['author-id'];
428 } elseif (!empty($item['contact-id'])) {
429 return $item['contact-id'];
431 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
432 if (!empty($contact_id)) {
436 return $item['author-id'];
440 * Write an item array into a spool file to be inserted later.
441 * This command is called whenever there are issues storing an item.
443 * @param array $item The item fields that are to be inserted
446 private static function spool($orig_item)
448 // Now we store the data in the spool directory
449 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
450 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
452 $spoolpath = System::getSpoolPath();
453 if ($spoolpath != "") {
454 $spool = $spoolpath . '/' . $file;
456 file_put_contents($spool, json_encode($orig_item));
457 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
462 * Check if the item array is a duplicate
465 * @return boolean is it a duplicate?
467 private static function isDuplicate(array $item)
469 // Checking if there is already an item with the same guid
470 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
471 if (Post::exists($condition)) {
472 Logger::notice('Found already existing item', $condition);
476 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
477 'network' => [$item['network'], Protocol::DFRN]];
478 if (Post::exists($condition)) {
479 Logger::notice('duplicated item with the same uri found.', $condition);
483 // On Friendica and Diaspora the GUID is unique
484 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
485 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
486 if (Post::exists($condition)) {
487 Logger::notice('duplicated item with the same guid found.', $condition);
490 } elseif ($item['network'] == Protocol::OSTATUS) {
491 // Check for an existing post with the same content. There seems to be a problem with OStatus.
492 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
493 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
494 if (Post::exists($condition)) {
495 Logger::notice('duplicated item with the same body found.', $item);
501 * Check for already added items.
502 * There is a timing issue here that sometimes creates double postings.
503 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
505 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
506 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
514 * Check if the item array is valid
517 * @return boolean item is valid
519 public static function isValid(array $item)
521 // When there is no content then we don't post it
522 if (($item['body'] . $item['title'] == '') && (empty($item['uri-id']) || !Post\Media::existsByURIId($item['uri-id']))) {
523 Logger::notice('No body, no title.');
527 if (!empty($item['uid'])) {
528 $owner = User::getOwnerDataById($item['uid'], false);
530 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
534 if ($owner['account_expired'] || $owner['account_removed']) {
535 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
540 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
541 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
545 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
546 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
550 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
551 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
555 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
556 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
560 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
564 if ($item['verb'] == Activity::FOLLOW) {
565 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
566 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
567 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
571 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
572 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
573 if (Post::exists($condition)) {
574 // It happens that we receive multiple follow requests by the same author - we only store one.
575 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
584 * Check if the item array is too old
587 * @return boolean item is too old
589 public static function isTooOld(array $item)
591 // check for create date and expire time
592 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
594 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
595 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
596 $expire_interval = $user['expire'];
599 if (($expire_interval > 0) && !empty($item['created'])) {
600 $expire_date = time() - ($expire_interval * 86400);
601 $created_date = strtotime($item['created']);
602 if ($created_date < $expire_date) {
603 Logger::notice('Item created before expiration interval.', [
604 'created' => date('c', $created_date),
605 'expired' => date('c', $expire_date),
616 * Return the id of the given item array if it has been stored before
619 * @return integer item id
621 private static function getDuplicateID(array $item)
623 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
624 $condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
625 $item['uri-id'], $item['uid'],
626 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
627 $existing = Post::selectFirst(['id', 'network'], $condition);
628 if (DBA::isResult($existing)) {
629 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
630 if ($item['uid'] != 0) {
631 Logger::notice('Item already existed for user', [
632 'uri-id' => $item['uri-id'],
633 'uid' => $item['uid'],
634 'network' => $item['network'],
635 'existing_id' => $existing["id"],
636 'existing_network' => $existing["network"]
640 return $existing["id"];
647 * Fetch top-level parent data for the given item array
650 * @return array item array with parent data
653 private static function getTopLevelParent(array $item)
655 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
656 'uri-id', 'parent-uri-id',
657 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
658 'wall', 'private', 'origin', 'author-id'];
659 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
660 $params = ['order' => ['id' => false]];
661 $parent = Post::selectFirst($fields, $condition, $params);
663 if (!DBA::isResult($parent) && $item['origin']) {
664 $stored = Item::storeForUserByUriId($item['thr-parent-id'], $item['uid']);
665 Logger::info('Stored thread parent item for user', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'stored' => $stored]);
666 $parent = Post::selectFirst($fields, $condition, $params);
669 if (!DBA::isResult($parent)) {
670 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
674 if ($parent['uri-id'] == $parent['parent-uri-id']) {
678 $condition = ['uri-id' => $parent['parent-uri-id'],
679 'parent-uri-id' => $parent['parent-uri-id'],
680 'uid' => $parent['uid']];
681 $params = ['order' => ['id' => false]];
682 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
684 if (!DBA::isResult($toplevel_parent) && $item['origin']) {
685 $stored = Item::storeForUserByUriId($item['parent-uri-id'], $item['uid']);
686 Logger::info('Stored parent item for user', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'stored' => $stored]);
687 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
690 if (!DBA::isResult($toplevel_parent)) {
691 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
695 return $toplevel_parent;
699 * Get the gravity for the given item array
702 * @return integer gravity
704 private static function getGravity(array $item)
706 $activity = DI::activity();
708 if (isset($item['gravity'])) {
709 return intval($item['gravity']);
710 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
711 return GRAVITY_PARENT;
712 } elseif ($activity->match($item['verb'], Activity::POST)) {
713 return GRAVITY_COMMENT;
714 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
715 return GRAVITY_ACTIVITY;
716 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
717 return GRAVITY_ACTIVITY;
719 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
720 return GRAVITY_UNKNOWN; // Should not happen
723 public static function insert(array $item, bool $notify = false, bool $post_local = true)
727 $priority = PRIORITY_HIGH;
729 // If it is a posting where users should get notifications, then define it as wall posting
733 $item['network'] = Protocol::DFRN;
734 $item['protocol'] = Conversation::PARCEL_DIRECT;
735 $item['direction'] = Conversation::PUSH;
737 if (in_array($notify, PRIORITIES)) {
741 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
744 $uid = intval($item['uid']);
746 $item['guid'] = self::guid($item, $notify);
747 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
750 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
752 // Backward compatibility: parent-uri used to be the direct parent uri.
753 // If it is provided without a thr-parent, it probably is the old behavior.
754 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
755 $item['parent-uri'] = $item['thr-parent'];
757 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
759 // Store conversation data
760 $item = Conversation::insert($item);
763 * Do we already have this item?
764 * We have to check several networks since Friendica posts could be repeated
765 * via OStatus (maybe Diasporsa as well)
767 $duplicate = self::getDuplicateID($item);
772 // Additional duplicate checks
773 /// @todo Check why the first duplication check returns the item number and the second a 0
774 if (self::isDuplicate($item)) {
778 if (!isset($item['post-type'])) {
779 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
782 $item['wall'] = intval($item['wall'] ?? 0);
783 $item['extid'] = trim($item['extid'] ?? '');
784 $item['author-name'] = trim($item['author-name'] ?? '');
785 $item['author-link'] = trim($item['author-link'] ?? '');
786 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
787 $item['owner-name'] = trim($item['owner-name'] ?? '');
788 $item['owner-link'] = trim($item['owner-link'] ?? '');
789 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
790 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
791 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
792 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
793 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
794 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
795 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
796 $item['location'] = trim($item['location'] ?? '');
797 $item['coord'] = trim($item['coord'] ?? '');
798 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
799 $item['deleted'] = 0;
800 $item['verb'] = trim($item['verb'] ?? '');
801 $item['object-type'] = trim($item['object-type'] ?? '');
802 $item['object'] = trim($item['object'] ?? '');
803 $item['target-type'] = trim($item['target-type'] ?? '');
804 $item['target'] = trim($item['target'] ?? '');
805 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
806 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
807 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
808 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
809 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
810 $item['private'] = intval($item['private'] ?? self::PUBLIC);
811 $item['body'] = trim($item['body'] ?? '');
812 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
813 $item['app'] = trim($item['app'] ?? '');
814 $item['origin'] = intval($item['origin'] ?? 0);
815 $item['postopts'] = trim($item['postopts'] ?? '');
816 $item['resource-id'] = trim($item['resource-id'] ?? '');
817 $item['event-id'] = intval($item['event-id'] ?? 0);
818 $item['inform'] = trim($item['inform'] ?? '');
819 $item['file'] = trim($item['file'] ?? '');
821 // Items cannot be stored before they happen ...
822 if ($item['created'] > DateTimeFormat::utcNow()) {
823 $item['created'] = DateTimeFormat::utcNow();
826 // We haven't invented time travel by now.
827 if ($item['edited'] > DateTimeFormat::utcNow()) {
828 $item['edited'] = DateTimeFormat::utcNow();
831 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
833 $item['gravity'] = self::getGravity($item);
835 $item['language'] = self::getLanguage($item);
837 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
838 'photo' => $item['author-avatar'], 'network' => $item['network']];
839 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
841 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
842 'photo' => $item['owner-avatar'], 'network' => $item['network']];
843 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
845 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
846 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
847 $item['post-reason'] = self::PR_FOLLOWER;
850 // Ensure that there is an avatar cache
851 Contact::checkAvatarCache($item['author-id']);
852 Contact::checkAvatarCache($item['owner-id']);
854 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
855 $item["contact-id"] = self::contactId($item);
857 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
858 self::isTooOld($item)) {
859 Logger::info('Item is too old', ['item' => $item]);
863 if (!self::isValid($item)) {
867 if ($item['gravity'] !== GRAVITY_PARENT) {
868 $toplevel_parent = self::getTopLevelParent($item);
869 if (empty($toplevel_parent)) {
873 // If the thread originated from this node, we check the permission against the thread starter
874 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
875 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
876 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
880 $parent_id = $toplevel_parent['id'];
881 $item['parent-uri'] = $toplevel_parent['uri'];
882 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
883 $item['deleted'] = $toplevel_parent['deleted'];
885 // Reshares have to keep their permissions to allow forums to work
886 if (!$item['origin'] || ($item['verb'] != Activity::ANNOUNCE)) {
887 $item['allow_cid'] = $toplevel_parent['allow_cid'];
888 $item['allow_gid'] = $toplevel_parent['allow_gid'];
889 $item['deny_cid'] = $toplevel_parent['deny_cid'];
890 $item['deny_gid'] = $toplevel_parent['deny_gid'];
893 $parent_origin = $toplevel_parent['origin'];
895 // Don't federate received participation messages
896 if ($item['verb'] != Activity::FOLLOW) {
897 $item['wall'] = $toplevel_parent['wall'];
899 $item['wall'] = false;
900 // Participations are technical messages, so they are set to "seen" automatically
901 $item['unseen'] = false;
905 * If the parent is private, force privacy for the entire conversation
906 * This differs from the above settings as it subtly allows comments from
907 * email correspondents to be private even if the overall thread is not.
909 if ($toplevel_parent['private']) {
910 $item['private'] = $toplevel_parent['private'];
913 // If its a post that originated here then tag the thread as "mention"
914 if ($item['origin'] && $item['uid']) {
915 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
916 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
919 // Update the contact relations
920 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
923 $parent_origin = $item['origin'];
926 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
927 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
929 // Is this item available in the global items (with uid=0)?
930 if ($item["uid"] == 0) {
931 $item["global"] = true;
933 // Set the global flag on all items if this was a global item entry
934 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
936 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
940 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
941 $item["private"] = self::PRIVATE;
944 if ($notify && $post_local) {
945 $item['edit'] = false;
946 $item['parent'] = $parent_id;
948 // Trigger automatic reactions for addons
949 if (!isset($item['api_source'])) {
950 $item['api_source'] = true;
953 // We have to tell the hooks who we are - this really should be improved
955 $_SESSION['authenticated'] = true;
956 $_SESSION['uid'] = $uid;
957 $dummy_session = true;
959 $dummy_session = false;
962 Hook::callAll('post_local', $item);
964 if ($dummy_session) {
965 unset($_SESSION['authenticated']);
966 unset($_SESSION['uid']);
968 } elseif (!$notify) {
969 Hook::callAll('post_remote', $item);
972 if (!empty($item['cancel'])) {
973 Logger::notice('post cancelled by addon.');
977 if (empty($item['vid']) && !empty($item['verb'])) {
978 $item['vid'] = Verb::getID($item['verb']);
981 // Creates or assigns the permission set
982 $item['psid'] = DI::permissionSet()->selectOrCreate(
983 DI::permissionSetFactory()->createFromString(
991 if (!empty($item['extid'])) {
992 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
995 if ($item['verb'] == Activity::ANNOUNCE) {
996 self::setOwnerforResharedItem($item);
999 if (isset($item['attachments'])) {
1000 foreach ($item['attachments'] as $attachment) {
1001 $attachment['uri-id'] = $item['uri-id'];
1002 Post\Media::insert($attachment);
1004 unset($item['attachments']);
1007 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
1009 // Remove all media attachments from the body and store them in the post-media table
1010 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1011 $item['raw-body'] = self::setHashtags($item['raw-body']);
1013 if (!DBA::exists('contact', ['id' => $item['author-id'], 'network' => Protocol::DFRN])) {
1014 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['raw-body']);
1017 // Check for hashtags in the body and repair or add hashtag links
1018 $item['body'] = self::setHashtags($item['body']);
1020 if (stristr($item['verb'], Activity::POKE)) {
1021 $notify_type = Delivery::POKE;
1023 $notify_type = Delivery::POST;
1026 // Filling item related side tables
1027 if (!empty($item['attach'])) {
1028 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1031 if (empty($item['event-id'])) {
1032 unset($item['event-id']);
1034 $ev = Event::fromBBCode($item['body']);
1035 if ((!empty($ev['desc']) || !empty($ev['summary'])) && !empty($ev['start'])) {
1036 Logger::info('Event found.');
1037 $ev['cid'] = $item['contact-id'];
1038 $ev['uid'] = $item['uid'];
1039 $ev['uri'] = $item['uri'];
1040 $ev['edited'] = $item['edited'];
1041 $ev['private'] = $item['private'];
1042 $ev['guid'] = $item['guid'];
1043 $ev['plink'] = $item['plink'];
1044 $ev['network'] = $item['network'];
1045 $ev['protocol'] = $item['protocol'] ?? Conversation::PARCEL_UNKNOWN;
1046 $ev['direction'] = $item['direction'] ?? Conversation::UNKNOWN;
1047 $ev['source'] = $item['source'] ?? '';
1049 $event = DBA::selectFirst('event', ['id'], ['uri' => $item['uri'], 'uid' => $item['uid']]);
1050 if (DBA::isResult($event)) {
1051 $ev['id'] = $event['id'];
1054 $event_id = Event::store($ev);
1055 $item = Event::getItemArrayForImportedId($event_id, $item);
1057 Logger::info('Event was stored', ['id' => $event_id]);
1061 if (empty($item['causer-id'])) {
1062 unset($item['causer-id']);
1065 Post::insert($item['uri-id'], $item);
1067 if ($item['gravity'] == GRAVITY_PARENT) {
1068 Post\Thread::insert($item['uri-id'], $item);
1071 if (!in_array($item['verb'], self::ACTIVITIES)) {
1072 Post\Content::insert($item['uri-id'], $item);
1075 // Create Diaspora signature
1076 if ($item['origin'] && empty($item['diaspora_signed_text']) && ($item['gravity'] != GRAVITY_PARENT)) {
1077 $signed = Diaspora::createCommentSignature($item);
1078 if (!empty($signed)) {
1079 $item['diaspora_signed_text'] = json_encode($signed);
1083 if (!empty($item['diaspora_signed_text'])) {
1084 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1087 // Attached file links
1088 if (!empty($item['file'])) {
1089 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1092 // Delivery relevant data
1093 $delivery_data = Post\DeliveryData::extractFields($item);
1095 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1096 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1099 // Store tags from the body if this hadn't been handled previously in the protocol classes
1100 if (!Tag::existsForPost($item['uri-id'])) {
1101 Tag::storeFromBody($item['uri-id'], $item['body']);
1104 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1105 if (Post::exists($condition)) {
1106 Logger::notice('Item is already inserted - aborting', $condition);
1110 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1111 if (!$post_user_id) {
1112 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1116 if ($item['gravity'] == GRAVITY_PARENT) {
1117 $item['post-user-id'] = $post_user_id;
1118 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1121 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1123 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1124 if (!DBA::isResult($posted_item)) {
1125 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1126 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1127 self::spool($orig_item);
1131 // update the commented timestamp on the parent
1132 if (DI::config()->get('system', 'like_no_comment')) {
1133 // Update when it is a comment
1134 $update_commented = in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1136 // Update when it isn't a follow or tag verb
1137 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1140 if ($update_commented) {
1141 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1143 $fields = ['changed' => DateTimeFormat::utcNow()];
1146 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1148 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1149 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1150 // Get the user information for the logging
1151 $user = User::getById($uid);
1153 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1158 if (!\Friendica\Content\Feature::isEnabled($posted_item['uid'], 'explicit_mentions') && ($posted_item['gravity'] == GRAVITY_COMMENT)) {
1159 Tag::createImplicitMentions($posted_item['uri-id'], $posted_item['thr-parent-id']);
1161 Hook::callAll('post_local_end', $posted_item);
1163 Hook::callAll('post_remote_end', $posted_item);
1166 if ($posted_item['gravity'] === GRAVITY_PARENT) {
1167 self::addShadow($post_user_id);
1169 self::addShadowPost($post_user_id);
1172 self::updateContact($posted_item);
1174 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1176 // Distribute items to users who subscribed to their tags
1177 self::distributeByTags($posted_item);
1179 // Automatically reshare the item if the "remote_self" option is selected
1180 self::autoReshare($posted_item);
1182 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1185 // Don't relay participation messages
1186 if (($posted_item['verb'] == Activity::FOLLOW) &&
1187 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1188 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1194 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1197 return $post_user_id;
1201 * Change the owner of a parent item if it had been shared by a forum
1203 * (public) forum posts in the new format consist of the regular post by the author
1204 * followed by an announce message sent from the forum account.
1205 * Changing the owner helps in grouping forum posts.
1207 * @param array $item
1210 private static function setOwnerforResharedItem(array $item)
1212 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1213 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1214 if (!DBA::isResult($parent)) {
1215 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1219 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1220 if (!DBA::isResult($author)) {
1221 Logger::error('Author not found', ['id' => $item['author-id']]);
1225 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1226 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1227 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1231 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1232 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1233 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1237 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1238 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1243 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1244 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1248 * Distribute the given item to users who subscribed to their tags
1250 * @param array $item Processed item
1252 private static function distributeByTags(array $item)
1254 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1258 $uids = Tag::getUIDListByURIId($item['uri-id']);
1259 foreach ($uids as $uid) {
1260 if (Contact::isSharing($item['author-id'], $uid)) {
1263 $fields = ['post-reason' => self::PR_TAG];
1266 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1267 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1272 * Distributes public items to the receivers
1274 * @param integer $itemid Item ID that should be added
1275 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1276 * @throws \Exception
1278 public static function distribute($itemid, $signed_text = '')
1280 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1281 $parent = Post::selectFirst(['owner-id'], $condition);
1282 if (!DBA::isResult($parent)) {
1283 Logger::warning('Item not found', ['condition' => $condition]);
1287 // Only distribute public items from native networks
1288 $condition = ['id' => $itemid, 'uid' => 0,
1289 'network' => array_merge(Protocol::FEDERATED ,['']),
1290 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1291 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1292 if (!DBA::isResult($item)) {
1293 Logger::warning('Item not found', ['condition' => $condition]);
1297 $origin = $item['origin'];
1301 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1302 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1303 if (!DBA::isResult($owner)) {
1307 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1308 $contacts = DBA::select('contact', ['uid'], $condition);
1309 while ($contact = DBA::fetch($contacts)) {
1310 if ($contact['uid'] == 0) {
1314 $users[$contact['uid']] = $contact['uid'];
1316 DBA::close($contacts);
1318 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1319 $contacts = DBA::select('contact', ['uid'], $condition);
1320 while ($contact = DBA::fetch($contacts)) {
1321 if ($contact['uid'] == 0) {
1325 $users[$contact['uid']] = $contact['uid'];
1327 DBA::close($contacts);
1329 if (!empty($owner['alias'])) {
1330 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1331 $contacts = DBA::select('contact', ['uid'], $condition);
1332 while ($contact = DBA::fetch($contacts)) {
1333 if ($contact['uid'] == 0) {
1337 $users[$contact['uid']] = $contact['uid'];
1339 DBA::close($contacts);
1344 if ($item['uri-id'] != $item['parent-uri-id']) {
1345 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1346 while ($parent = Post::fetch($parents)) {
1347 $users[$parent['uid']] = $parent['uid'];
1348 if ($parent['origin'] && !$origin) {
1349 $origin_uid = $parent['uid'];
1352 DBA::close($parents);
1355 foreach ($users as $uid) {
1356 if ($origin_uid == $uid) {
1357 $item['diaspora_signed_text'] = $signed_text;
1359 self::storeForUser($item, $uid);
1364 * Store a public item defined by their URI-ID for the given users
1366 * @param integer $uri_id URI-ID of the given item
1367 * @param integer $uid The user that will receive the item entry
1368 * @param array $fields Additional fields to be stored
1369 * @param integer $source_uid User id of the source post
1370 * @return integer stored item id
1372 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [], int $source_uid = 0)
1374 if ($uid == $source_uid) {
1375 Logger::warning('target UID must not be be equal to the source UID', ['uri-id' => $uri_id, 'uid' => $uid]);
1379 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => $source_uid]);
1380 if (!DBA::isResult($item)) {
1381 Logger::warning('Item could not be fetched', ['uri-id' => $uri_id, 'uid' => $source_uid]);
1385 if (($source_uid == 0) && (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED))) {
1386 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']]);
1390 $item['post-reason'] = self::PR_STORED;
1392 $item = array_merge($item, $fields);
1394 $is_reshare = ($item['gravity'] == GRAVITY_ACTIVITY) && ($item['verb'] == Activity::ANNOUNCE);
1396 if ((($item['gravity'] == GRAVITY_PARENT) || $is_reshare) &&
1397 DI::pConfig()->get($uid, 'system', 'accept_only_sharer') &&
1398 !Contact::isSharingByURL($item['author-link'], $uid) &&
1399 !Contact::isSharingByURL($item['owner-link'], $uid)) {
1400 Logger::info('Contact is not a follower, thread will not be stored', ['author' => $item['author-link'], 'uid' => $uid]);
1404 if ((($item['gravity'] == GRAVITY_COMMENT) || $is_reshare) && !Post::exists(['uri-id' => $item['thr-parent-id'], 'uid' => $uid])) {
1405 // Only do an auto complete with the source uid "0" to prevent privavy problems
1406 $causer = $item['causer-id'] ?: $item['author-id'];
1407 $result = self::storeForUserByUriId($item['thr-parent-id'], $uid, ['causer-id' => $causer, 'post-reason' => self::PR_FETCHED]);
1408 Logger::info('Fetched thread parent', ['uri-id' => $item['thr-parent-id'], 'uid' => $uid, 'causer' => $causer, 'result' => $result]);
1411 $stored = self::storeForUser($item, $uid);
1412 Logger::info('Item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'source-uid' => $source_uid, 'stored' => $stored]);
1417 * Store a public item array for the given users
1419 * @param array $item The item entry that will be stored
1420 * @param integer $uid The user that will receive the item entry
1421 * @return integer stored item id
1422 * @throws \Exception
1424 private static function storeForUser(array $item, int $uid)
1426 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1427 if (!empty($item['event-id'])) {
1428 $post = Post::selectFirst(['event-id'], ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1429 if (!empty($post['event-id'])) {
1430 $event = DBA::selectFirst('event', ['edited', 'start', 'finish', 'summary', 'desc', 'location', 'nofinish', 'adjust'], ['id' => $item['event-id']]);
1431 if (!empty($event)) {
1432 // We aren't using "Event::store" here, since we don't want to trigger any further action
1433 $ret = DBA::update('event', $event, ['id' => $post['event-id']]);
1434 Logger::info('Event updated', ['uid' => $uid, 'source-event' => $item['event-id'], 'target-event' => $post['event-id'], 'ret' => $ret]);
1438 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1443 unset($item['mention']);
1444 unset($item['starred']);
1445 unset($item['unseen']);
1446 unset($item['psid']);
1447 unset($item['pinned']);
1448 unset($item['ignored']);
1449 unset($item['pubmail']);
1451 unset($item['event-id']);
1452 unset($item['hidden']);
1453 unset($item['notification-type']);
1455 $item['uid'] = $uid;
1456 $item['origin'] = 0;
1459 if ($item['gravity'] == GRAVITY_PARENT) {
1460 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1462 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1465 if (!empty($contact['id'])) {
1466 $item['contact-id'] = $contact['id'];
1468 // Shouldn't happen at all
1469 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1470 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1471 if (!DBA::isResult($self)) {
1472 // Shouldn't happen even less
1473 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1476 $item['contact-id'] = $self['id'];
1480 if ($item['gravity'] == GRAVITY_PARENT) {
1481 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1482 if (DBA::isResult($contact)) {
1483 $notify = self::isRemoteSelf($contact, $item);
1487 $distributed = self::insert($item, $notify);
1489 if (!$distributed) {
1490 Logger::info("Distributed item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1492 Logger::info('Distributed item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1494 return $distributed;
1498 * Add a shadow entry for a given item id that is a thread starter
1500 * We store every public item entry additionally with the user id "0".
1501 * This is used for the community page and for the search.
1502 * It is planned that in the future we will store public item entries only once.
1504 * @param integer $itemid Item ID that should be added
1505 * @throws \Exception
1507 private static function addShadow($itemid)
1509 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1510 $condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
1511 $item = Post::selectFirst($fields, $condition);
1513 if (!DBA::isResult($item)) {
1517 // is it already a copy?
1518 if (($itemid == 0) || ($item['uid'] == 0)) {
1522 // Is it a visible public post?
1523 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1527 // is it an entry from a connector? Only add an entry for natively connected networks
1528 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1532 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1536 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1538 if (DBA::isResult($item)) {
1539 // Preparing public shadow (removing user specific data)
1542 unset($item['parent']);
1543 unset($item['wall']);
1544 unset($item['mention']);
1545 unset($item['origin']);
1546 unset($item['starred']);
1547 unset($item['postopts']);
1548 unset($item['inform']);
1549 unset($item['post-reason']);
1550 if ($item['uri-id'] == $item['parent-uri-id']) {
1551 $item['contact-id'] = $item['owner-id'];
1553 $item['contact-id'] = $item['author-id'];
1556 $public_shadow = self::insert($item);
1558 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1563 * Add a shadow entry for a given item id that is a comment
1565 * This function does the same like the function above - but for comments
1567 * @param integer $itemid Item ID that should be added
1568 * @throws \Exception
1570 private static function addShadowPost($itemid)
1572 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1573 if (!DBA::isResult($item)) {
1577 // Is it a toplevel post?
1578 if ($item['gravity'] == GRAVITY_PARENT) {
1579 self::addShadow($itemid);
1583 // Is this a shadow entry?
1584 if ($item['uid'] == 0) {
1588 // Is there a shadow parent?
1589 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1593 // Is there already a shadow entry?
1594 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1598 // Save "origin" and "parent" state
1599 $origin = $item['origin'];
1600 $parent = $item['parent'];
1602 // Preparing public shadow (removing user specific data)
1605 unset($item['parent']);
1606 unset($item['wall']);
1607 unset($item['mention']);
1608 unset($item['origin']);
1609 unset($item['starred']);
1610 unset($item['postopts']);
1611 unset($item['inform']);
1612 unset($item['post-reason']);
1613 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1615 $public_shadow = self::insert($item);
1617 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1619 // If this was a comment to a Diaspora post we don't get our comment back.
1620 // This means that we have to distribute the comment by ourselves.
1621 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1622 self::distribute($public_shadow);
1627 * Adds a language specification in a "language" element of given $arr.
1628 * Expects "body" element to exist in $arr.
1630 * @param array $item
1631 * @return string detected language
1632 * @throws \Text_LanguageDetect_Exception
1634 private static function getLanguage(array $item)
1636 if (!empty($item['language'])) {
1637 return $item['language'];
1640 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1644 // Convert attachments to links
1645 $naked_body = BBCode::removeAttachment($item['body']);
1646 if (empty($naked_body)) {
1650 // Remove links and pictures
1651 $naked_body = BBCode::removeLinks($naked_body);
1653 // Convert the title and the body to plain text
1654 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1656 // Remove possibly remaining links
1657 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1659 if (empty($naked_body)) {
1663 $availableLanguages = DI::l10n()->getAvailableLanguages();
1664 // See https://github.com/friendica/friendica/issues/10511
1665 // Persian is manually added to language detection until a persian translation is provided for the interface, at
1666 // which point it will be automatically available through `getAvailableLanguages()` and this should be removed.
1667 $availableLanguages['fa'] = 'fa';
1669 $ld = new Language($availableLanguages);
1670 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1671 if (is_array($languages)) {
1672 return json_encode($languages);
1678 public static function getLanguageMessage(array $item)
1680 $iso639 = new \Matriphe\ISO639\ISO639;
1682 $used_languages = '';
1683 foreach (json_decode($item['language'], true) as $language => $reliability) {
1684 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1686 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1687 return $used_languages;
1691 * Creates an unique guid out of a given uri
1693 * @param string $uri uri of an item entry
1694 * @param string $host hostname for the GUID prefix
1695 * @return string unique guid
1697 public static function guidFromUri($uri, $host)
1699 // Our regular guid routine is using this kind of prefix as well
1700 // We have to avoid that different routines could accidentally create the same value
1701 $parsed = parse_url($uri);
1703 // We use a hash of the hostname as prefix for the guid
1704 $guid_prefix = hash("crc32", $host);
1706 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1707 unset($parsed["scheme"]);
1709 // Glue it together to be able to make a hash from it
1710 $host_id = implode("/", $parsed);
1712 // We could use any hash algorithm since it isn't a security issue
1713 $host_hash = hash("ripemd128", $host_id);
1715 return $guid_prefix.$host_hash;
1719 * generate an unique URI
1721 * @param integer $uid User id
1722 * @param string $guid An existing GUID (Otherwise it will be generated)
1725 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1727 public static function newURI($uid, $guid = "")
1730 $guid = System::createUUID();
1733 return DI::baseUrl()->get() . '/objects/' . $guid;
1737 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1739 * This can be used to filter for inactive contacts.
1740 * Only do this for public postings to avoid privacy problems, since poco data is public.
1741 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1743 * @param array $arr Contains the just posted item record
1744 * @throws \Exception
1746 private static function updateContact($arr)
1748 // Unarchive the author
1749 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1750 if (DBA::isResult($contact)) {
1751 Contact::unmarkForArchival($contact);
1754 // Unarchive the contact if it's not our own contact
1755 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1756 if (DBA::isResult($contact)) {
1757 Contact::unmarkForArchival($contact);
1760 /// @todo On private posts we could obfuscate the date
1761 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1763 // Is it a forum? Then we don't care about the rules from above
1764 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1765 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1771 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1772 // So we have to ensure to only update the last item when it had been our own post,
1773 // or it had been done by a "regular" contact.
1774 if (!empty($arr['wall'])) {
1775 $condition = ['id' => $arr['contact-id']];
1777 $condition = ['id' => $arr['contact-id'], 'self' => false];
1779 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1781 // Now do the same for the system wide contacts with uid=0
1782 if ($arr['private'] != self::PRIVATE) {
1783 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1784 ['id' => $arr['owner-id']]);
1786 if ($arr['owner-id'] != $arr['author-id']) {
1787 Contact::update(['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1788 ['id' => $arr['author-id']]);
1793 public static function setHashtags($body)
1795 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1796 $tags = BBCode::getTags($body);
1799 if (!count($tags)) {
1803 // This sorting is important when there are hashtags that are part of other hashtags
1804 // Otherwise there could be problems with hashtags like #test and #test2
1805 // Because of this we are sorting from the longest to the shortest tag.
1806 usort($tags, function ($a, $b) {
1807 return strlen($b) <=> strlen($a);
1810 $URLSearchString = "^\[\]";
1812 // All hashtags should point to the home server if "local_tags" is activated
1813 if (DI::config()->get('system', 'local_tags')) {
1814 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1815 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1818 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1819 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1821 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1824 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1826 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1829 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
1831 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1834 // Repair recursive urls
1835 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1838 foreach ($tags as $tag) {
1839 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1843 $basetag = str_replace('_', ' ', substr($tag, 1));
1844 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1846 $body = str_replace($tag, $newtag, $body);
1849 // Convert back the masked hashtags
1850 $body = str_replace("#", "#", $body);
1859 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1862 * @param int $item_id
1863 * @return boolean true if item was deleted, else false
1864 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1865 * @throws \ImagickException
1867 private static function tagDeliver($uid, $item_id)
1871 $owner = User::getOwnerDataById($uid);
1872 if (!DBA::isResult($owner)) {
1873 Logger::warning('User not found, quitting.', ['uid' => $uid]);
1877 if ($owner['contact-type'] != User::ACCOUNT_TYPE_COMMUNITY) {
1878 Logger::debug('Owner is no community, quitting here.', ['uid' => $uid, 'id' => $item_id]);
1882 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1883 if (!DBA::isResult($item)) {
1884 Logger::warning('Post not found, quitting.', ['id' => $item_id]);
1888 if ($item['wall'] || $item['origin'] || ($item['gravity'] != GRAVITY_PARENT)) {
1889 Logger::debug('Wall item, origin item or no parent post, quitting here.', ['wall' => $item['wall'], 'origin' => $item['origin'], 'gravity' => $item['gravity'], 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1893 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1894 foreach ($tags as $tag) {
1895 if (Strings::compareLink($owner['url'], $tag['url'])) {
1897 Logger::info('Mention found in tag.', ['url' => $tag['url'], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1901 // This check can most likely be removed since we always are having the tags
1903 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1905 foreach ($matches as $mtch) {
1906 if (Strings::compareLink($owner['url'], $mtch[1])) {
1908 Logger::notice('Mention found in body.', ['mention' => $mtch[2], 'uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1915 Logger::info('Top-level post without mention is deleted.', ['uri' => $item['uri'], $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1916 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1920 $arr = ['item' => $item, 'user' => $owner];
1922 Hook::callAll('tagged', $arr);
1924 Logger::info('Community post will be distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1926 if ($owner['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
1927 Group::getMembersForForum($owner['id']);
1929 $allow_cid = '<' . $owner['id'] . '>';
1930 $allow_gid = '<' . Group::getIdForForum($owner['id']) . '>';
1933 self::performActivity($item['id'], 'announce', $uid, $allow_cid, $allow_gid, $deny_cid, $deny_gid);
1935 self::performActivity($item['id'], 'announce', $uid);
1938 Logger::info('Community post had been distributed', ['uri' => $item['uri'], 'uid' => $uid, 'id' => $item_id, 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1943 * Automatically reshare the item if the "remote_self" option is selected
1945 * @param array $item
1948 private static function autoReshare(array $item)
1950 if ($item['gravity'] != GRAVITY_PARENT) {
1954 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
1958 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1962 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1964 self::performActivity($item['id'], 'announce', $item['uid']);
1967 public static function isRemoteSelf($contact, &$datarray)
1969 if (!$contact['remote_self']) {
1973 // Prevent the forwarding of posts that are forwarded
1974 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
1975 Logger::info('Already forwarded');
1979 // Prevent to forward already forwarded posts
1980 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
1981 Logger::info('Already forwarded (second test)');
1985 // Only forward posts
1986 if ($datarray["verb"] != Activity::POST) {
1987 Logger::info('No post');
1991 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
1992 Logger::info('Not public');
1996 $datarray2 = $datarray;
1997 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
1998 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
1999 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2000 ['uid' => $contact['uid'], 'self' => true]);
2001 if (DBA::isResult($self)) {
2002 $datarray['contact-id'] = $self["id"];
2004 $datarray['owner-name'] = $self["name"];
2005 $datarray['owner-link'] = $self["url"];
2006 $datarray['owner-avatar'] = $self["thumb"];
2008 $datarray['author-name'] = $datarray['owner-name'];
2009 $datarray['author-link'] = $datarray['owner-link'];
2010 $datarray['author-avatar'] = $datarray['owner-avatar'];
2012 unset($datarray['edited']);
2014 unset($datarray['network']);
2015 unset($datarray['owner-id']);
2016 unset($datarray['author-id']);
2019 if ($contact['network'] != Protocol::FEED) {
2020 $old_uri_id = $datarray["uri-id"] ?? 0;
2021 $datarray["guid"] = System::createUUID();
2022 unset($datarray["plink"]);
2023 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2024 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2025 $datarray["extid"] = Protocol::DFRN;
2026 $urlpart = parse_url($datarray2['author-link']);
2027 $datarray["app"] = $urlpart["host"];
2028 if (!empty($old_uri_id)) {
2029 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2032 unset($datarray["parent-uri"]);
2033 unset($datarray["thr-parent"]);
2035 $datarray['private'] = self::PUBLIC;
2039 if ($contact['network'] != Protocol::FEED) {
2040 // Store the original post
2041 $result = self::insert($datarray2);
2042 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2044 $datarray["app"] = "Feed";
2048 return (bool)$result;
2055 * @param array $item
2058 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2059 * @throws \ImagickException
2061 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2063 if (DI::config()->get('system', 'disable_embedded')) {
2067 Logger::info('check for photos');
2068 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2073 $img_start = strpos($orig_body, '[img');
2074 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2075 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2077 while (($img_st_close !== false) && ($img_len !== false)) {
2078 $img_st_close++; // make it point to AFTER the closing bracket
2079 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2081 Logger::info('found photo', ['image' => $image]);
2083 if (stristr($image, $site . '/photo/')) {
2084 // Only embed locally hosted photos
2086 $i = basename($image);
2087 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2088 $x = strpos($i, '-');
2091 $res = substr($i, $x + 1);
2092 $i = substr($i, 0, $x);
2093 $photo = Photo::getPhotoForUser($uid, $i, $res);
2094 if (DBA::isResult($photo)) {
2096 * Check to see if we should replace this photo link with an embedded image
2097 * 1. No need to do so if the photo is public
2098 * 2. If there's a contact-id provided, see if they're in the access list
2099 * for the photo. If so, embed it.
2100 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2101 * permissions, regardless of order but first check to see if they're an exact
2102 * match to save some processing overhead.
2104 if (self::hasPermissions($photo)) {
2106 $recips = self::enumeratePermissions($photo);
2107 if (in_array($cid, $recips)) {
2111 if (self::samePermissions($uid, $item, $photo)) {
2117 $photo_img = Photo::getImageForPhoto($photo);
2118 // If a custom width and height were specified, apply before embedding
2119 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2120 Logger::info('scaling photo');
2122 $width = intval($match[1]);
2123 $height = intval($match[2]);
2125 $photo_img->scaleDown(max($width, $height));
2128 $data = $photo_img->asString();
2129 $type = $photo_img->getType();
2131 Logger::info('replacing photo');
2132 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2133 Logger::debug('replaced', ['image' => $image]);
2139 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2140 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2141 if ($orig_body === false) {
2145 $img_start = strpos($orig_body, '[img');
2146 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2147 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2150 $new_body = $new_body . $orig_body;
2155 private static function hasPermissions($obj)
2157 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2158 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2161 private static function samePermissions($uid, $obj1, $obj2)
2163 // first part is easy. Check that these are exactly the same.
2164 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2165 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2166 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2167 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2171 // This is harder. Parse all the permissions and compare the resulting set.
2172 $recipients1 = self::enumeratePermissions($obj1);
2173 $recipients2 = self::enumeratePermissions($obj2);
2177 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2178 return ($recipients1 == $recipients2);
2182 * Returns an array of contact-ids that are allowed to see this object
2184 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2185 * @param bool $check_dead Prunes unavailable contacts from the result
2187 * @throws \Exception
2189 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2191 $aclFormater = DI::aclFormatter();
2193 $allow_people = $aclFormater->expand($obj['allow_cid']);
2194 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2195 $deny_people = $aclFormater->expand($obj['deny_cid']);
2196 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2197 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2198 $deny = array_unique(array_merge($deny_people, $deny_groups));
2199 $recipients = array_diff($recipients, $deny);
2203 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2205 if (!$uid || ($days < 1)) {
2209 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2210 $uid, GRAVITY_PARENT];
2213 * $expire_network_only = save your own wall posts
2214 * and just expire conversations started by others
2216 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2218 if ($expire_network_only) {
2219 $condition[0] .= " AND NOT `wall`";
2222 if ($network != "") {
2223 $condition[0] .= " AND `network` = ?";
2224 $condition[] = $network;
2227 $condition[0] .= " AND `received` < ?";
2228 $condition[] = DateTimeFormat::utc('now - ' . $days . ' day');
2230 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2232 if (!DBA::isResult($items)) {
2236 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2238 // Forcing expiring of items - but not notes and marked items
2240 $expire_items = true;
2243 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2244 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2245 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2249 $priority = DI::config()->get('system', 'expire-notify-priority');
2251 while ($item = Post::fetch($items)) {
2252 // don't expire filed items
2253 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2257 // Only expire posts, not photos and photo comments
2259 if (!$expire_photos && !empty($item['resource-id'])) {
2261 } elseif (!$expire_starred && intval($item['starred'])) {
2263 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2265 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2269 self::markForDeletionById($item['id'], $priority);
2274 Logger::notice('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2277 public static function firstPostDate($uid, $wall = false)
2279 $user = User::getById($uid, ['register_date']);
2284 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2285 $uid, $wall, $user['register_date']];
2286 $params = ['order' => ['received' => false]];
2287 $thread = Post::selectFirstThread(['received'], $condition, $params);
2288 if (DBA::isResult($thread)) {
2289 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2296 * add/remove activity to an item
2298 * Toggle activities as like,dislike,attend of an item
2300 * @param int $item_id
2301 * @param string $verb
2302 * Activity verb. One of
2303 * like, unlike, dislike, undislike, attendyes, unattendyes,
2304 * attendno, unattendno, attendmaybe, unattendmaybe,
2305 * announce, unannouce
2307 * @param string $allow_cid
2308 * @param string $allow_gid
2309 * @param string $deny_cid
2310 * @param string $deny_gid
2312 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2313 * @throws \ImagickException
2314 * @hook 'post_local_end'
2316 * 'post_id' => ID of posted item
2318 public static function performActivity(int $item_id, string $verb, int $uid, string $allow_cid = null, string $allow_gid = null, string $deny_cid = null, string $deny_gid = null)
2324 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2326 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2327 if (!DBA::isResult($item)) {
2328 Logger::notice('like: unknown item', ['id' => $item_id]);
2332 $uri_id = $item['uri-id'];
2334 if (!in_array($item['uid'], [0, $uid])) {
2338 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2339 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2340 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2341 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2342 if (!DBA::isResult($item)) {
2343 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2349 // Retrieves the local post owner
2350 $owner = User::getOwnerDataById($uid);
2351 if (empty($owner)) {
2352 Logger::info('Empty owner for user', ['uid' => $uid]);
2356 // Retrieve the current logged in user's public contact
2357 $author_id = Contact::getIdForURL($owner['url']);
2358 if (empty($author_id)) {
2359 Logger::info('Empty public contact');
2367 $activity = Activity::LIKE;
2371 $activity = Activity::DISLIKE;
2375 $activity = Activity::ATTEND;
2379 $activity = Activity::ATTENDNO;
2382 case 'unattendmaybe':
2383 $activity = Activity::ATTENDMAYBE;
2387 $activity = Activity::FOLLOW;
2391 $activity = Activity::ANNOUNCE;
2394 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2398 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2400 // Enable activity toggling instead of on/off
2401 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2403 // Look for an existing verb row
2404 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2405 if ($event_verb_flag) {
2406 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2408 // Translate to the index based activity index
2410 foreach ($verbs as $verb) {
2411 $vids[] = Verb::getID($verb);
2414 $vids = Verb::getID($activity);
2417 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2418 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2419 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2421 if (DBA::isResult($like_item)) {
2423 * Truth table for existing activities
2425 * | Inputs || Outputs |
2426 * |----------------------------||-------------------|
2427 * | Mode | Event | Same verb || Delete? | Return? |
2428 * |--------|-------|-----------||---------|---------|
2429 * | create | Yes | Yes || No | Yes |
2430 * | create | Yes | No || Yes | No |
2431 * | create | No | Yes || No | Yes |
2432 * | create | No | No || N/A†|
2433 * | delete | Yes | Yes || Yes | N/A‡ |
2434 * | delete | Yes | No || No | N/A‡ |
2435 * | delete | No | Yes || Yes | N/A‡ |
2436 * | delete | No | No || N/A†|
2437 * |--------|-------|-----------||---------|---------|
2438 * | A | B | C || A xor C | !B or C |
2440 * †Can't happen: It's impossible to find an existing non-event activity without
2441 * the same verb because we are only looking for this single verb.
2443 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2445 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2446 self::markForDeletionById($like_item['id']);
2449 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2454 // No need to go further if we aren't creating anything
2455 if ($mode == 'delete') {
2459 $allow_cid = $allow_cid ?? $item['allow_cid'];
2460 $allow_gid = $allow_gid ?? $item['allow_gid'];
2461 $deny_cid = $deny_cid ?? $item['deny_cid'];
2462 $deny_gid = $deny_gid ?? $item['deny_gid'];
2464 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2467 'guid' => System::createUUID(),
2468 'uri' => self::newURI($item['uid']),
2469 'uid' => $item['uid'],
2470 'contact-id' => $owner['id'],
2471 'wall' => $item['wall'],
2473 'network' => Protocol::DFRN,
2474 'protocol' => Conversation::PARCEL_DIRECT,
2475 'direction' => Conversation::PUSH,
2476 'gravity' => GRAVITY_ACTIVITY,
2477 'parent' => $item['id'],
2478 'thr-parent' => $item['uri'],
2479 'owner-id' => $author_id,
2480 'author-id' => $author_id,
2481 'body' => $activity,
2482 'verb' => $activity,
2483 'object-type' => $objtype,
2484 'allow_cid' => $allow_cid,
2485 'allow_gid' => $allow_gid,
2486 'deny_cid' => $deny_cid,
2487 'deny_gid' => $deny_gid,
2492 $signed = Diaspora::createLikeSignature($uid, $new_item);
2493 if (!empty($signed)) {
2494 $new_item['diaspora_signed_text'] = json_encode($signed);
2497 $new_item_id = self::insert($new_item);
2499 // If the parent item isn't visible then set it to visible
2500 if (!$item['visible']) {
2501 self::update(['visible' => true], ['id' => $item['id']]);
2504 $new_item['id'] = $new_item_id;
2506 Hook::callAll('post_local_end', $new_item);
2512 * Fetch the SQL condition for the given user id
2514 * @param integer $owner_id User ID for which the permissions should be fetched
2515 * @return array condition
2517 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2519 $local_user = local_user();
2520 $remote_user = Session::getRemoteContactID($owner_id);
2522 // default permissions - anonymous user
2523 $condition = ["`private` != ?", self::PRIVATE];
2525 if ($local_user && ($local_user == $owner_id)) {
2526 // Profile owner - everything is visible
2528 } elseif ($remote_user) {
2529 // Authenticated visitor - fetch the matching permissionsets
2530 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2532 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2533 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2534 self::PRIVATE, self::PRIVATE];
2535 $condition = array_merge($condition, $permissionSets->column('id'));
2543 * Get a permission SQL string for the given user
2545 * @param int $owner_id
2546 * @param string $table
2549 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2551 $local_user = local_user();
2552 $remote_user = Session::getRemoteContactID($owner_id);
2554 if (!empty($table)) {
2555 $table = DBA::quoteIdentifier($table) . '.';
2559 * Construct permissions
2561 * default permissions - anonymous user
2563 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2565 // Profile owner - everything is visible
2566 if ($local_user && ($local_user == $owner_id)) {
2568 } elseif ($remote_user) {
2570 * Authenticated visitor. Unless pre-verified,
2571 * check that the contact belongs to this $owner_id
2572 * and load the groups the visitor belongs to.
2573 * If pre-verified, the caller is expected to have already
2574 * done this and passed the groups into this function.
2576 $permissionSets = DI::permissionSet()->selectByContactId($remote_user, $owner_id);
2579 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $permissionSets->column('id')) . "))";
2584 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2591 * get translated item type
2593 * @param array $item
2594 * @param \Friendica\Core\L10n $l10n
2597 public static function postType(array $item, \Friendica\Core\L10n $l10n)
2599 if (!empty($item['event-id'])) {
2600 return $l10n->t('event');
2601 } elseif (!empty($item['resource-id'])) {
2602 return $l10n->t('photo');
2603 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2604 return $l10n->t('activity');
2605 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2606 return $l10n->t('comment');
2609 return $l10n->t('post');
2613 * Sets the "rendered-html" field of the provided item
2615 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2617 * @param array $item
2619 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2620 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2622 public static function putInCache(&$item)
2624 // Save original body to prevent addons to modify it
2625 $body = $item['body'];
2627 $rendered_hash = $item['rendered-hash'] ?? '';
2628 $rendered_html = $item['rendered-html'] ?? '';
2630 if ($rendered_hash == ''
2631 || $rendered_html == ''
2632 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2633 || DI::config()->get('system', 'ignore_cache')
2635 self::addRedirToImageTags($item);
2637 $item['rendered-html'] = BBCode::convertForUriId($item['uri-id'], $item['body']);
2638 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2640 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2641 Hook::callAll('put_item_in_cache', $hook_data);
2642 $item['rendered-html'] = $hook_data['rendered-html'];
2643 $item['rendered-hash'] = $hook_data['rendered-hash'];
2646 // Update if the generated values differ from the existing ones
2647 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2650 'rendered-html' => $item['rendered-html'],
2651 'rendered-hash' => $item['rendered-hash']
2653 ['id' => $item['id']]
2658 $item['body'] = $body;
2662 * Find any non-embedded images in private items and add redir links to them
2664 * @param array &$item The field array of an item row
2666 private static function addRedirToImageTags(array &$item)
2671 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2673 foreach ($matches as $mtch) {
2674 if (strpos($mtch[1], '/redir') !== false) {
2678 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->getContactId()) && ($item['network'] == Protocol::DFRN)) {
2679 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2680 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2687 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2688 * If attach is true, also add icons for item attachments.
2690 * @param array $item
2691 * @param boolean $attach
2692 * @param boolean $is_preview
2693 * @return string item body html
2694 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2695 * @throws \ImagickException
2696 * @hook prepare_body_init item array before any work
2697 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2698 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2699 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2701 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2704 Hook::callAll('prepare_body_init', $item);
2706 // In order to provide theme developers more possibilities, event items
2707 // are treated differently.
2708 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2709 $ev = Event::getItemHTML($item);
2713 $tags = Tag::populateFromItem($item);
2715 $item['tags'] = $tags['tags'];
2716 $item['hashtags'] = $tags['hashtags'];
2717 $item['mentions'] = $tags['mentions'];
2719 $body = $item['body'] ?? '';
2720 $shared = BBCode::fetchShareAttributes($body);
2721 if (!empty($shared['guid'])) {
2722 $shared_item = Post::selectFirst(['uri-id', 'plink'], ['guid' => $shared['guid']]);
2723 $shared_uri_id = $shared_item['uri-id'] ?? 0;
2724 $shared_links = [strtolower($shared_item['plink'] ?? '')];
2725 $shared_attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid']);
2726 $shared_links = array_merge($shared_links, array_column($shared_attachments['visual'], 'url'));
2727 $shared_links = array_merge($shared_links, array_column($shared_attachments['link'], 'url'));
2728 $shared_links = array_merge($shared_links, array_column($shared_attachments['additional'], 'url'));
2729 $item['body'] = self::replaceVisualAttachments($shared_attachments, $item['body']);
2734 $attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links);
2735 $item['body'] = self::replaceVisualAttachments($attachments, $item['body'] ?? '');
2737 $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
2738 self::putInCache($item);
2739 $item['body'] = $body;
2740 $s = $item["rendered-html"];
2742 // Compile eventual content filter reasons
2743 $filter_reasons = [];
2744 if (!$is_preview && public_contact() != $item['author-id']) {
2745 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2746 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2749 $item['attachments'] = $attachments;
2753 'filter_reasons' => $filter_reasons
2755 Hook::callAll('prepare_body_content_filter', $hook_data);
2756 $filter_reasons = $hook_data['filter_reasons'];
2763 'preview' => $is_preview,
2764 'filter_reasons' => $filter_reasons
2766 Hook::callAll('prepare_body', $hook_data);
2767 $s = $hook_data['html'];
2771 // Replace the blockquotes with quotes that are used in mails.
2772 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2773 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2777 if (!empty($shared_attachments)) {
2778 $s = self::addVisualAttachments($shared_attachments, $item, $s, true);
2779 $s = self::addLinkAttachment($shared_uri_id ?: $item['uri-id'], $shared_attachments, $body, $s, true, []);
2780 $s = self::addNonVisualAttachments($shared_attachments, $item, $s, true);
2781 $body = preg_replace("/\s*\[share .*?\].*?\[\/share\]\s*/ism", '', $body);
2784 $s = self::addVisualAttachments($attachments, $item, $s, false);
2785 $s = self::addLinkAttachment($item['uri-id'], $attachments, $body, $s, false, $shared_links);
2786 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
2789 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2790 $x = Map::byCoordinates(trim($item['coord']));
2792 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2796 // Replace friendica image url size with theme preference.
2797 if (!empty($a->getThemeInfoValue('item_image_size'))) {
2798 $ps = $a->getThemeInfoValue('item_image_size');
2799 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2802 $s = HTML::applyContentFilter($s, $filter_reasons);
2804 $hook_data = ['item' => $item, 'html' => $s];
2805 Hook::callAll('prepare_body_final', $hook_data);
2807 return $hook_data['html'];
2811 * Check if the body contains a link
2813 * @param string $body
2814 * @param string $url
2818 public static function containsLink(string $body, string $url, int $type = 0)
2820 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
2821 $urlparts = parse_url($url);
2822 unset($urlparts['query']);
2823 unset($urlparts['fragment']);
2824 $url = Network::unparseURL($urlparts);
2826 // Remove media links to only search in embedded content
2827 // @todo Check images for image link, audio for audio links, ...
2828 if (in_array($type, [Post\Media::AUDIO, Post\Media::VIDEO, Post\Media::IMAGE])) {
2829 $body = preg_replace("/\[url=[^\[\]]*\](.*)\[\/url\]/Usi", ' $1 ', $body);
2832 if (strpos($body, $url)) {
2835 foreach ([0, 1, 2] as $size) {
2836 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
2837 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
2845 * Replace visual attachments in the body
2847 * @param array $attachments
2848 * @param string $body
2849 * @return string modified body
2851 private static function replaceVisualAttachments(array $attachments, string $body)
2853 DI::profiler()->startRecording('rendering');
2855 foreach ($attachments['visual'] as $attachment) {
2856 if (!empty($attachment['preview'])) {
2857 $body = str_replace($attachment['preview'], Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE), $body);
2858 } elseif ($attachment['filetype'] == 'image') {
2859 $body = str_replace($attachment['url'], Post\Media::getUrlForId($attachment['id']), $body);
2862 DI::profiler()->stopRecording();
2867 * Add visual attachments to the content
2869 * @param array $attachments
2870 * @param array $item
2871 * @param string $content
2872 * @return string modified content
2874 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared)
2876 DI::profiler()->startRecording('rendering');
2880 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
2881 foreach ($attachments['visual'] as $attachment) {
2882 if (self::containsLink($item['body'], $attachment['preview'] ?? $attachment['url'], $attachment['type'])) {
2886 if (!empty($attachment['preview'])) {
2887 $preview_url = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_LARGE);
2892 if (($attachment['filetype'] == 'video')) {
2893 /// @todo Move the template to /content as well
2894 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2896 'id' => $attachment['id'],
2897 'src' => $attachment['url'],
2898 'name' => $attachment['name'] ?: $attachment['url'],
2899 'preview' => $preview_url,
2900 'mime' => $attachment['mimetype'],
2903 if (($item['post-type'] ?? null) == Item::PT_VIDEO) {
2906 $trailing .= $media;
2908 } elseif ($attachment['filetype'] == 'audio') {
2909 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
2911 'id' => $attachment['id'],
2912 'src' => $attachment['url'],
2913 'name' => $attachment['name'] ?: $attachment['url'],
2914 'mime' => $attachment['mimetype'],
2917 if (($item['post-type'] ?? null) == Item::PT_AUDIO) {
2920 $trailing .= $media;
2922 } elseif ($attachment['filetype'] == 'image') {
2923 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
2925 'src' => Post\Media::getUrlForId($attachment['id']),
2926 'preview' => Post\Media::getPreviewUrlForId($attachment['id'], ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE),
2927 'attachment' => $attachment,
2930 // On Diaspora posts the attached pictures are leading
2931 if ($item['network'] == Protocol::DIASPORA) {
2934 $trailing .= $media;
2940 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . BBCode::TOP_ANCHOR, $content);
2941 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>' . BBCode::BOTTOM_ANCHOR, $content);
2943 if ($leading != '') {
2944 $content = '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . $content;
2947 if ($trailing != '') {
2948 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
2952 DI::profiler()->stopRecording();
2957 * Add link attachment to the content
2959 * @param array $attachments
2960 * @param string $body
2961 * @param string $content
2962 * @param bool $shared
2963 * @param array $ignore_links A list of URLs to ignore
2964 * @return string modified content
2966 private static function addLinkAttachment(int $uriid, array $attachments, string $body, string $content, bool $shared, array $ignore_links)
2968 DI::profiler()->startRecording('rendering');
2969 // Don't show a preview when there is a visual attachment (audio or video)
2970 $types = array_column($attachments['visual'], 'type');
2971 $preview = !in_array(Post\Media::IMAGE, $types) && !in_array(Post\Media::VIDEO, $types);
2973 if (!empty($attachments['link'])) {
2974 foreach ($attachments['link'] as $link) {
2976 foreach ($ignore_links as $ignore_link) {
2977 if (Strings::compareLink($link['url'], $ignore_link)) {
2981 // @todo Judge between the links to use the one with most information
2982 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
2983 (empty($attachment['name']) && !empty($link['name'])) ||
2984 (empty($attachment['description']) && !empty($link['description'])) ||
2985 (empty($attachment['preview']) && !empty($link['preview'])))) {
2986 $attachment = $link;
2991 if (!empty($attachment)) {
2994 'author_name' => $attachment['author-name'] ?? '',
2995 'author_url' => $attachment['author-url'] ?? '',
2996 'description' => $attachment['description'] ?? '',
2999 'provider_name' => $attachment['publisher-name'] ?? '',
3000 'provider_url' => $attachment['publisher-url'] ?? '',
3002 'title' => $attachment['name'] ?? '',
3004 'url' => $attachment['url']];
3006 if ($preview && !empty($attachment['preview'])) {
3007 if ($attachment['preview-width'] >= 500) {
3008 $data['image'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3010 $data['preview'] = Post\Media::getPreviewUrlForId($attachment['id'], Proxy::SIZE_MEDIUM);
3014 if (!empty($data['description']) && !empty($content)) {
3015 similar_text($data['description'], $content, $percent);
3020 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
3021 $data['description'] = '';
3024 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
3025 $data['author_name'] = '';
3028 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
3029 $data['author_url'] = '';
3031 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
3032 $data = BBCode::getAttachmentData($match[1]);
3034 DI::profiler()->stopRecording();
3036 if (isset($data['url']) && !in_array($data['url'], $ignore_links)) {
3037 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview'])) {
3038 $parts = parse_url($data['url']);
3039 if (!empty($parts['scheme']) && !empty($parts['host'])) {
3040 if (empty($data['provider_name'])) {
3041 $data['provider_name'] = $parts['host'];
3043 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
3044 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
3046 if (!empty($parts['port'])) {
3047 $data['provider_url'] .= ':' . $parts['port'];
3052 // @todo Use a template
3053 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data, $uriid);
3054 } elseif (!self::containsLink($content, $data['url'], Post\Media::HTML)) {
3055 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
3056 '$url' => $data['url'],
3057 '$title' => $data['title'],
3064 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
3066 return $content . $rendered;
3073 * Add non visual attachments to the content
3075 * @param array $attachments
3076 * @param array $item
3077 * @param string $content
3078 * @return string modified content
3080 private static function addNonVisualAttachments(array $attachments, array $item, string $content)
3082 DI::profiler()->startRecording('rendering');
3084 foreach ($attachments['additional'] as $attachment) {
3085 if (strpos($item['body'], $attachment['url'])) {
3089 $author = ['uid' => 0, 'id' => $item['author-id'],
3090 'network' => $item['author-network'], 'url' => $item['author-link']];
3091 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
3093 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3095 if (!empty($attachment['size'])) {
3096 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3099 /// @todo Use a template
3100 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3101 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3104 if ($trailing != '') {
3105 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3108 DI::profiler()->stopRecording();
3113 * get private link for item
3115 * @param array $item
3116 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3117 * @throws \Exception
3119 public static function getPlink($item)
3123 'href' => "display/" . $item['guid'],
3124 'orig' => "display/" . $item['guid'],
3125 'title' => DI::l10n()->t('View on separate page'),
3126 'orig_title' => DI::l10n()->t('View on separate page'),
3129 if (!empty($item['plink'])) {
3130 $ret['href'] = DI::baseUrl()->remove($item['plink']);
3131 $ret['title'] = DI::l10n()->t('Link to source');
3133 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3135 'href' => $item['plink'],
3136 'orig' => $item['plink'],
3137 'title' => DI::l10n()->t('Link to source'),
3138 'orig_title' => DI::l10n()->t('Link to source'),
3148 * Is the given item array a post that is sent as starting post to a forum?
3150 * @param array $item
3151 * @param array $owner
3153 * @return boolean "true" when it is a forum post
3155 public static function isForumPost(array $item, array $owner = [])
3157 if (empty($owner)) {
3158 $owner = User::getOwnerDataById($item['uid']);
3159 if (empty($owner)) {
3164 if (($item['author-id'] == $item['owner-id']) ||
3165 ($owner['id'] == $item['contact-id']) ||
3166 ($item['uri-id'] != $item['parent-uri-id']) ||
3171 return Contact::isForum($item['contact-id']);
3175 * Search item id for given URI or plink
3177 * @param string $uri
3178 * @param integer $uid
3180 * @return integer item id
3182 public static function searchByLink($uri, $uid = 0)
3184 $ssl_uri = str_replace('http://', 'https://', $uri);
3185 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3187 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3188 if (DBA::isResult($item)) {
3192 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3193 if (DBA::isResult($item)) {
3201 * Return the URI for a link to the post
3203 * @param string $uri URI or link to post
3205 * @return string URI
3207 public static function getURIByLink(string $uri)
3209 $ssl_uri = str_replace('http://', 'https://', $uri);
3210 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3212 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3213 if (DBA::isResult($item)) {
3214 return $item['uri'];
3217 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3218 if (DBA::isResult($item)) {
3219 return $item['uri'];
3226 * Fetches item for given URI or plink
3228 * @param string $uri
3229 * @param integer $uid
3231 * @return integer item id
3233 public static function fetchByLink(string $uri, int $uid = 0)
3235 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3236 $item_id = self::searchByLink($uri, $uid);
3237 if (!empty($item_id)) {
3238 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3248 Hook::callAll('item_by_link', $hookData);
3250 if (isset($hookData['item_id'])) {
3251 return is_numeric($hookData['item_id']) ? $hookData['item_id'] : 0;
3254 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3255 $item_id = self::searchByLink($fetched_uri, $uid);
3257 $item_id = Diaspora::fetchByURL($uri);
3260 if (!empty($item_id)) {
3261 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3265 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3270 * Return share data from an item array (if the item is shared item)
3271 * We are providing the complete Item array, because at some time in the future
3272 * we hopefully will define these values not in the body anymore but in some item fields.
3273 * This function is meant to replace all similar functions in the system.
3275 * @param array $item
3277 * @return array with share information
3279 public static function getShareArray($item)
3281 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3285 $attribute_string = $matches[2];
3286 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3287 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3288 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3289 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3296 * Fetch item information for shared items from the original items and adds it.
3298 * @param array $item
3300 * @return array item array with data from the original item
3302 public static function addShareDataFromOriginal(array $item)
3304 $shared = self::getShareArray($item);
3305 if (empty($shared)) {
3309 // Real reshares always have got a GUID.
3310 if (empty($shared['guid'])) {
3314 $uid = $item['uid'] ?? 0;
3316 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3317 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3318 if (!DBA::isResult($shared_item)) {
3319 if (empty($shared['link'])) {
3323 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3324 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3326 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3330 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3331 if (!DBA::isResult($shared_item)) {
3334 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3336 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3339 if (!empty($shared_item['title'])) {
3340 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3341 unset($shared_item['title']);
3343 $body = $shared_item['body'];
3346 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . str_replace('$', '\$', $body) . '[/share]', $item['body']);
3347 unset($shared_item['body']);
3349 return array_merge($item, $shared_item);
3353 * Check a prospective item array against user-level permissions
3355 * @param array $item Expected keys: uri, gravity, and
3356 * author-link if is author-id is set,
3357 * owner-link if is owner-id is set,
3358 * causer-link if is causer-id is set.
3359 * @param int $user_id Local user ID
3361 * @throws \Exception
3363 protected static function isAllowedByUser(array $item, int $user_id)
3365 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3366 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3370 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3371 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3375 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3376 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3377 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3381 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3382 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3390 * Improve the data in shared posts
3392 * @param array $item
3393 * @return string body
3395 public static function improveSharedDataInBody(array $item)
3397 $shared = BBCode::fetchShareAttributes($item['body']);
3398 if (empty($shared['link'])) {
3399 return $item['body'];
3402 $id = self::fetchByLink($shared['link']);
3403 Logger::info('Fetched shared post', ['uri-id' => $item['uri-id'], 'id' => $id, 'author' => $shared['profile'], 'url' => $shared['link'], 'guid' => $shared['guid'], 'callstack' => System::callstack()]);
3405 return $item['body'];
3408 $shared_item = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'title', 'body'], ['id' => $id]);
3409 if (!DBA::isResult($shared_item)) {
3410 return $item['body'];
3413 $shared_content = BBCode::getShareOpeningTag($shared_item['author-name'], $shared_item['author-link'], $shared_item['author-avatar'], $shared_item['plink'], $shared_item['created'], $shared_item['guid']);
3415 if (!empty($shared_item['title'])) {
3416 $shared_content .= '[h3]'.$shared_item['title'].'[/h3]'."\n";
3419 $shared_content .= $shared_item['body'];
3421 $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $shared_content . '[/share]', $item['body']);
3422 Logger::info('New shared data', ['uri-id' => $item['uri-id'], 'id' => $id, 'shared_item' => $shared_item]);
3423 return $item['body'];