3 * @copyright Copyright (C) 2020, Friendica
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\Database;
35 use Friendica\Database\DBA;
36 use Friendica\Database\DBStructure;
38 use Friendica\Model\Post;
39 use Friendica\Protocol\Activity;
40 use Friendica\Protocol\ActivityPub;
41 use Friendica\Protocol\Diaspora;
42 use Friendica\Util\DateTimeFormat;
43 use Friendica\Util\Map;
44 use Friendica\Util\Network;
45 use Friendica\Util\Strings;
46 use Friendica\Worker\Delivery;
47 use LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
65 const PT_FOLLOWER = 69;
66 const PT_ANNOUNCEMENT = 70;
67 const PT_COMMENT = 71;
71 const PT_FETCHED = 75;
72 const PT_PERSONAL_NOTE = 128;
74 // Field list that is used to display the items
75 const DISPLAY_FIELDLIST = [
76 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
77 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
78 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'language',
79 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
80 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
81 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
82 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
83 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
84 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
85 'writable', 'self', 'cid', 'alias',
86 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
87 'event-summary', 'event-desc', 'event-location', 'event-type',
88 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
89 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
92 // Field list that is used to deliver items via the protocols
93 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
94 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
95 'private', 'title', 'body', 'location', 'coord', 'app',
96 'deleted', 'extid', 'post-type', 'gravity',
97 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
98 'author-id', 'author-link', 'owner-link', 'contact-uid',
99 'signed_text', 'network'];
101 // Field list for "item-content" table that is mixed with the item table
102 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
103 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
104 'object-type', 'object', 'target-type', 'target', 'plink'];
106 // Field list for "item-content" table that is not present in the "item" table
107 const CONTENT_FIELDLIST = ['language', 'raw-body'];
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', 'type', 'wall', 'gravity', 'extid', 'psid',
113 'created', 'edited', 'commented', 'received', 'changed', 'verb',
114 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
115 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
116 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
117 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
118 'title', 'content-warning', 'body', 'location', 'coord', 'app',
119 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
120 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
121 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
123 // List of all verbs that don't need additional content data.
124 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
126 Activity::LIKE, Activity::DISLIKE,
127 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
135 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
137 private static function getItemFields()
139 $definition = DBStructure::definition('', false);
142 foreach (self::TABLES as $table) {
143 $postfields[$table] = array_keys($definition[$table]['fields']);
150 * Set the pinned state of an item
152 * @param integer $iid Item ID
153 * @param integer $uid User ID
154 * @param boolean $pinned Pinned state
156 public static function setPinned(int $iid, int $uid, bool $pinned)
158 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
162 * Get the pinned state
164 * @param integer $iid Item ID
165 * @param integer $uid User ID
167 * @return boolean pinned state
169 public static function getPinned(int $iid, int $uid)
171 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
172 if (!DBA::isResult($useritem)) {
175 return (bool)$useritem['pinned'];
179 * Update existing item entries
181 * @param array $fields The fields that are to be changed
182 * @param array $condition The condition for finding the item entries
184 * In the future we may have to change permissions as well.
185 * Then we had to add the user id as third parameter.
187 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
189 * @return integer|boolean number of affected rows - or "false" if there was an error
190 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
192 public static function update(array $fields, array $condition)
194 if (empty($condition) || empty($fields)) {
198 $data_fields = $fields;
200 // To ensure the data integrity we do it in an transaction
203 // We cannot simply expand the condition to check for origin entries
204 // The condition needn't to be a simple array but could be a complex condition.
205 // And we have to execute this query before the update to ensure to fetch the same data.
206 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'uid', 'file'], $condition);
208 $content_fields = [];
209 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
210 if (isset($fields[$field])) {
211 $content_fields[$field] = $fields[$field];
212 if (in_array($field, self::CONTENT_FIELDLIST)) {
213 unset($fields[$field]);
215 $fields[$field] = null;
220 $delivery_data = Post\DeliveryData::extractFields($fields);
222 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
223 foreach ($clear_fields as $field) {
224 if (array_key_exists($field, $fields)) {
225 $fields[$field] = null;
229 if (array_key_exists('file', $fields)) {
230 $files = $fields['file'];
231 $fields['file'] = null;
236 if (!empty($content_fields['verb'])) {
237 $fields['vid'] = Verb::getID($content_fields['verb']);
240 if (!empty($fields)) {
241 $success = DBA::update('item', $fields, $condition);
250 // When there is no content for the "old" item table, this will count the fetched items
251 $rows = DBA::affectedRows();
255 while ($item = DBA::fetch($items)) {
256 Post\User::update($item['uri-id'], $item['uid'], $data_fields);
258 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
259 if (!empty($content_fields['body'])) {
260 $content_fields['raw-body'] = trim($content_fields['raw-body'] ?? $content_fields['body']);
262 // Remove all media attachments from the body and store them in the post-media table
263 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
264 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
267 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
270 if (!is_null($files)) {
271 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
272 if (!empty($item['file'])) {
273 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
277 if (!empty($fields['attach'])) {
278 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
281 Post\DeliveryData::update($item['uri-id'], $delivery_data);
283 self::updateThread($item['id']);
285 // We only need to notfiy others when it is an original entry from us.
286 // Only call the notifier when the item has some content relevant change.
287 if ($item['origin'] && in_array('edited', array_keys($fields))) {
288 $notify_items[] = $item['id'];
295 foreach ($notify_items as $notify_item) {
296 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
303 * Delete an item and notify others about it - if it was ours
305 * @param array $condition The condition for finding the item entries
306 * @param integer $priority Priority for the notification
307 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
309 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
311 $items = Post::select(['id'], $condition);
312 while ($item = Post::fetch($items)) {
313 self::markForDeletionById($item['id'], $priority);
319 * Delete an item for an user and notify others about it - if it was ours
321 * @param array $condition The condition for finding the item entries
322 * @param integer $uid User who wants to delete this item
323 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
325 public static function deleteForUser($condition, $uid)
331 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
332 while ($item = Post::fetch($items)) {
333 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
335 // "Deleting" global items just means hiding them
336 if ($item['uid'] == 0) {
337 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
338 } elseif ($item['uid'] == $uid) {
339 self::markForDeletionById($item['id'], PRIORITY_HIGH);
341 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
348 * Mark an item for deletion, delete related data and notify others about it - if it was ours
350 * @param integer $item_id
351 * @param integer $priority Priority for the notification
353 * @return boolean success
354 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
356 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
358 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
359 // locate item to be deleted
360 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
361 'deleted', 'file', 'resource-id', 'event-id',
362 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
363 $item = Post::selectFirst($fields, ['id' => $item_id]);
364 if (!DBA::isResult($item)) {
365 Logger::info('Item not found.', ['id' => $item_id]);
369 if ($item['deleted']) {
370 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
374 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
375 if (!DBA::isResult($parent)) {
376 $parent = ['origin' => false];
379 // clean up categories and tags so they don't end up as orphans
382 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
385 foreach ($matches as $mtch) {
386 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
392 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
395 foreach ($matches as $mtch) {
396 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
401 * If item is a link to a photo resource, nuke all the associated photos
402 * (visitors will not have photo resources)
403 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
404 * generate a resource-id and therefore aren't intimately linked to the item.
406 /// @TODO: this should first check if photo is used elsewhere
407 if (strlen($item['resource-id'])) {
408 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
411 // If item is a link to an event, delete the event.
412 if (intval($item['event-id'])) {
413 Event::delete($item['event-id']);
416 // If item has attachments, drop them
417 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
418 foreach($attachments as $attachment) {
419 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
420 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
424 // Set the item to "deleted"
425 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
426 DBA::update('item', $item_fields, ['id' => $item['id']]);
428 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
429 self::deleteThread($item['id'], $item['parent-uri']);
431 if (!Post::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
432 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
435 Post\DeliveryData::delete($item['uri-id']);
437 // When the permission set will be used in photo and events as well,
438 // this query here needs to be extended.
439 // @todo Currently deactivated. We need the permission set in the deletion process.
440 // This is a reminder to add the removal somewhere else.
441 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
442 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
445 // If it's the parent of a comment thread, kill all the kids
446 if ($item['gravity'] == GRAVITY_PARENT) {
447 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
450 // Is it our comment and/or our thread?
451 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
452 // When we delete the original post we will delete all existing copies on the server as well
453 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
455 // send the notification upstream/downstream
457 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
459 } elseif ($item['uid'] != 0) {
460 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
462 // When we delete just our local user copy of an item, we have to set a marker to hide it
463 $global_item = Post::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
464 if (DBA::isResult($global_item)) {
465 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
469 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
475 private static function guid($item, $notify)
477 if (!empty($item['guid'])) {
478 return Strings::escapeTags(trim($item['guid']));
482 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
483 // We add the hash of our own host because our host is the original creator of the post.
484 $prefix_host = DI::baseUrl()->getHostname();
488 // We are only storing the post so we create a GUID from the original hostname.
489 if (!empty($item['author-link'])) {
490 $parsed = parse_url($item['author-link']);
491 if (!empty($parsed['host'])) {
492 $prefix_host = $parsed['host'];
496 if (empty($prefix_host) && !empty($item['plink'])) {
497 $parsed = parse_url($item['plink']);
498 if (!empty($parsed['host'])) {
499 $prefix_host = $parsed['host'];
503 if (empty($prefix_host) && !empty($item['uri'])) {
504 $parsed = parse_url($item['uri']);
505 if (!empty($parsed['host'])) {
506 $prefix_host = $parsed['host'];
510 // Is it in the format data@host.tld? - Used for mail contacts
511 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
512 $mailparts = explode('@', $item['author-link']);
513 $prefix_host = array_pop($mailparts);
517 if (!empty($item['plink'])) {
518 $guid = self::guidFromUri($item['plink'], $prefix_host);
519 } elseif (!empty($item['uri'])) {
520 $guid = self::guidFromUri($item['uri'], $prefix_host);
522 $guid = System::createUUID(hash('crc32', $prefix_host));
528 private static function contactId($item)
530 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
531 return $item['contact-id'];
532 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
533 return $item['contact-id'];
534 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
535 return $item['author-id'];
536 } elseif (!empty($item['contact-id'])) {
537 return $item['contact-id'];
539 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
540 if (!empty($contact_id)) {
544 return $item['author-id'];
548 * Write an item array into a spool file to be inserted later.
549 * This command is called whenever there are issues storing an item.
551 * @param array $item The item fields that are to be inserted
554 private static function spool($orig_item)
556 // Now we store the data in the spool directory
557 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
558 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
560 $spoolpath = get_spoolpath();
561 if ($spoolpath != "") {
562 $spool = $spoolpath . '/' . $file;
564 file_put_contents($spool, json_encode($orig_item));
565 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
570 * Check if the item array is a duplicate
573 * @return boolean is it a duplicate?
575 private static function isDuplicate(array $item)
577 // Checking if there is already an item with the same guid
578 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
579 if (Post::exists($condition)) {
580 Logger::notice('Found already existing item', [
581 'guid' => $item['guid'],
582 'uid' => $item['uid'],
583 'network' => $item['network']
588 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
589 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
590 if (Post::exists($condition)) {
591 Logger::notice('duplicated item with the same uri found.', $item);
595 // On Friendica and Diaspora the GUID is unique
596 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
597 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
598 if (Post::exists($condition)) {
599 Logger::notice('duplicated item with the same guid found.', $item);
602 } elseif ($item['network'] == Protocol::OSTATUS) {
603 // Check for an existing post with the same content. There seems to be a problem with OStatus.
604 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
605 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
606 if (Post::exists($condition)) {
607 Logger::notice('duplicated item with the same body found.', $item);
613 * Check for already added items.
614 * There is a timing issue here that sometimes creates double postings.
615 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
617 if (($item['uid'] == 0) && Post::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
618 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
626 * Check if the item array is valid
629 * @return boolean item is valid
631 public static function isValid(array $item)
633 // When there is no content then we don't post it
634 if ($item['body'] . $item['title'] == '') {
635 Logger::notice('No body, no title.');
639 if (!empty($item['uid'])) {
640 $owner = User::getOwnerDataById($item['uid'], false);
642 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
646 if ($owner['account_expired'] || $owner['account_removed']) {
647 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
652 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
653 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
657 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
658 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
662 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
663 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
667 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
668 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
672 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
676 if ($item['verb'] == Activity::FOLLOW) {
677 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
678 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
679 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
683 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
684 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
685 if (Post::exists($condition)) {
686 // It happens that we receive multiple follow requests by the same author - we only store one.
687 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
696 * Check if the item array is too old
699 * @return boolean item is too old
701 public static function isTooOld(array $item)
703 // check for create date and expire time
704 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
706 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
707 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
708 $expire_interval = $user['expire'];
711 if (($expire_interval > 0) && !empty($item['created'])) {
712 $expire_date = time() - ($expire_interval * 86400);
713 $created_date = strtotime($item['created']);
714 if ($created_date < $expire_date) {
715 Logger::notice('Item created before expiration interval.', [
716 'created' => date('c', $created_date),
717 'expired' => date('c', $expire_date),
728 * Return the id of the given item array if it has been stored before
731 * @return integer item id
733 private static function getDuplicateID(array $item)
735 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
736 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
737 trim($item['uri']), $item['uid'],
738 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
739 $existing = Post::selectFirst(['id', 'network'], $condition);
740 if (DBA::isResult($existing)) {
741 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
742 if ($item['uid'] != 0) {
743 Logger::notice('Item already existed for user', [
744 'uri' => $item['uri'],
745 'uid' => $item['uid'],
746 'network' => $item['network'],
747 'existing_id' => $existing["id"],
748 'existing_network' => $existing["network"]
752 return $existing["id"];
759 * Fetch top-level parent data for the given item array
762 * @return array item array with parent data
765 private static function getTopLevelParent(array $item)
767 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
768 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
769 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
770 $condition = ['uri' => $item['thr-parent'], 'uid' => $item['uid']];
771 $params = ['order' => ['id' => false]];
772 $parent = Post::selectFirst($fields, $condition, $params);
774 if (!DBA::isResult($parent)) {
775 Logger::notice('item parent was not found - ignoring item', ['thr-parent' => $item['thr-parent'], 'uid' => $item['uid']]);
779 if ($parent['uri'] == $parent['parent-uri']) {
783 $condition = ['uri' => $parent['parent-uri'],
784 'parent-uri' => $parent['parent-uri'],
785 'uid' => $parent['uid']];
786 $params = ['order' => ['id' => false]];
787 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
788 if (!DBA::isResult($toplevel_parent)) {
789 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri' => $parent['parent-uri'], 'uid' => $parent['uid']]);
793 return $toplevel_parent;
797 * Get the gravity for the given item array
800 * @return integer gravity
802 private static function getGravity(array $item)
804 $activity = DI::activity();
806 if (isset($item['gravity'])) {
807 return intval($item['gravity']);
808 } elseif ($item['parent-uri'] === $item['uri']) {
809 return GRAVITY_PARENT;
810 } elseif ($activity->match($item['verb'], Activity::POST)) {
811 return GRAVITY_COMMENT;
812 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
813 return GRAVITY_ACTIVITY;
814 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
815 return GRAVITY_ACTIVITY;
817 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
818 return GRAVITY_UNKNOWN; // Should not happen
821 public static function insert($item, $notify = false, $dontcache = false)
823 $structure = self::getItemFields();
827 $priority = PRIORITY_HIGH;
829 // If it is a posting where users should get notifications, then define it as wall posting
833 $item['network'] = Protocol::DFRN;
834 $item['protocol'] = Conversation::PARCEL_DIRECT;
835 $item['direction'] = Conversation::PUSH;
837 if (in_array($notify, PRIORITIES)) {
841 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
844 $uid = intval($item['uid']);
846 $item['guid'] = self::guid($item, $notify);
847 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
850 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
852 // Backward compatibility: parent-uri used to be the direct parent uri.
853 // If it is provided without a thr-parent, it probably is the old behavior.
854 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
855 $item['parent-uri'] = $item['thr-parent'];
857 // Store conversation data
858 $item = Conversation::insert($item);
861 * Do we already have this item?
862 * We have to check several networks since Friendica posts could be repeated
863 * via OStatus (maybe Diasporsa as well)
865 $duplicate = self::getDuplicateID($item);
870 // Additional duplicate checks
871 /// @todo Check why the first duplication check returns the item number and the second a 0
872 if (self::isDuplicate($item)) {
876 $item['wall'] = intval($item['wall'] ?? 0);
877 $item['extid'] = trim($item['extid'] ?? '');
878 $item['author-name'] = trim($item['author-name'] ?? '');
879 $item['author-link'] = trim($item['author-link'] ?? '');
880 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
881 $item['owner-name'] = trim($item['owner-name'] ?? '');
882 $item['owner-link'] = trim($item['owner-link'] ?? '');
883 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
884 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
885 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
886 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
887 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
888 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
889 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
890 $item['location'] = trim($item['location'] ?? '');
891 $item['coord'] = trim($item['coord'] ?? '');
892 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
893 $item['deleted'] = 0;
894 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
895 $item['verb'] = trim($item['verb'] ?? '');
896 $item['object-type'] = trim($item['object-type'] ?? '');
897 $item['object'] = trim($item['object'] ?? '');
898 $item['target-type'] = trim($item['target-type'] ?? '');
899 $item['target'] = trim($item['target'] ?? '');
900 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
901 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
902 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
903 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
904 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
905 $item['private'] = intval($item['private'] ?? self::PUBLIC);
906 $item['body'] = trim($item['body'] ?? '');
907 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
908 $item['app'] = trim($item['app'] ?? '');
909 $item['origin'] = intval($item['origin'] ?? 0);
910 $item['postopts'] = trim($item['postopts'] ?? '');
911 $item['resource-id'] = trim($item['resource-id'] ?? '');
912 $item['event-id'] = intval($item['event-id'] ?? 0);
913 $item['inform'] = trim($item['inform'] ?? '');
914 $item['file'] = trim($item['file'] ?? '');
916 // Items cannot be stored before they happen ...
917 if ($item['created'] > DateTimeFormat::utcNow()) {
918 $item['created'] = DateTimeFormat::utcNow();
921 // We haven't invented time travel by now.
922 if ($item['edited'] > DateTimeFormat::utcNow()) {
923 $item['edited'] = DateTimeFormat::utcNow();
926 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
928 $item['gravity'] = self::getGravity($item);
930 $item['language'] = self::getLanguage($item);
932 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
933 'photo' => $item['author-avatar'], 'network' => $item['network']];
934 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
936 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
937 'photo' => $item['owner-avatar'], 'network' => $item['network']];
938 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
940 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
941 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
942 $item['post-type'] = self::PT_FOLLOWER;
945 // Ensure that there is an avatar cache
946 Contact::checkAvatarCache($item['author-id']);
947 Contact::checkAvatarCache($item['owner-id']);
949 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
950 $item["contact-id"] = self::contactId($item);
952 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
953 self::isTooOld($item)) {
954 Logger::info('Item is too old', ['item' => $item]);
958 if (!self::isValid($item)) {
962 if ($item['gravity'] !== GRAVITY_PARENT) {
963 $toplevel_parent = self::getTopLevelParent($item);
964 if (empty($toplevel_parent)) {
968 // If the thread originated from this node, we check the permission against the thread starter
969 $condition = ['uri' => $toplevel_parent['uri'], 'wall' => true];
970 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
971 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
975 $parent_id = $toplevel_parent['id'];
976 $item['parent-uri'] = $toplevel_parent['uri'];
977 $item['deleted'] = $toplevel_parent['deleted'];
978 $item['allow_cid'] = $toplevel_parent['allow_cid'];
979 $item['allow_gid'] = $toplevel_parent['allow_gid'];
980 $item['deny_cid'] = $toplevel_parent['deny_cid'];
981 $item['deny_gid'] = $toplevel_parent['deny_gid'];
982 $parent_origin = $toplevel_parent['origin'];
984 // Don't federate received participation messages
985 if ($item['verb'] != Activity::FOLLOW) {
986 $item['wall'] = $toplevel_parent['wall'];
988 $item['wall'] = false;
992 * If the parent is private, force privacy for the entire conversation
993 * This differs from the above settings as it subtly allows comments from
994 * email correspondents to be private even if the overall thread is not.
996 if ($toplevel_parent['private']) {
997 $item['private'] = $toplevel_parent['private'];
1001 * Edge case. We host a public forum that was originally posted to privately.
1002 * The original author commented, but as this is a comment, the permissions
1003 * weren't fixed up so it will still show the comment as private unless we fix it here.
1005 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
1006 $item['private'] = self::PUBLIC;
1009 // If its a post that originated here then tag the thread as "mention"
1010 if ($item['origin'] && $item['uid']) {
1011 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1012 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
1015 // Update the contact relations
1016 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1018 unset($item['parent_origin']);
1021 $parent_origin = $item['origin'];
1024 // We don't store the causer link, only the id
1025 unset($item['causer-link']);
1027 // We don't store these fields anymore in the item table
1028 unset($item['author-link']);
1029 unset($item['author-name']);
1030 unset($item['author-avatar']);
1031 unset($item['author-network']);
1033 unset($item['owner-link']);
1034 unset($item['owner-name']);
1035 unset($item['owner-avatar']);
1037 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1038 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1040 // Is this item available in the global items (with uid=0)?
1041 if ($item["uid"] == 0) {
1042 $item["global"] = true;
1044 // Set the global flag on all items if this was a global item entry
1045 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1047 $item["global"] = Post::exists(['uid' => 0, 'uri' => $item["uri"]]);
1051 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1052 $item["private"] = self::PRIVATE;
1056 $item['edit'] = false;
1057 $item['parent'] = $parent_id;
1058 Hook::callAll('post_local', $item);
1059 unset($item['edit']);
1061 Hook::callAll('post_remote', $item);
1064 // Set after the insert because top-level posts are self-referencing
1065 unset($item['parent']);
1067 if (!empty($item['cancel'])) {
1068 Logger::log('post cancelled by addon.');
1072 if (empty($item['vid']) && !empty($item['verb'])) {
1073 $item['vid'] = Verb::getID($item['verb']);
1076 // Creates or assigns the permission set
1077 $item['psid'] = PermissionSet::getIdFromACL(
1085 unset($item['allow_cid']);
1086 unset($item['allow_gid']);
1087 unset($item['deny_cid']);
1088 unset($item['deny_gid']);
1090 // This array field is used to trigger some automatic reactions
1091 // It is mainly used in the "post_local" hook.
1092 unset($item['api_source']);
1094 if ($item['verb'] == Activity::ANNOUNCE) {
1095 self::setOwnerforResharedItem($item);
1098 // Remove all media attachments from the body and store them in the post-media table
1099 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1100 $item['raw-body'] = self::setHashtags($item['raw-body']);
1102 // Check for hashtags in the body and repair or add hashtag links
1103 $item['body'] = self::setHashtags($item['body']);
1105 if (!empty($item['attach'])) {
1106 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1109 // Fill the cache field
1110 self::putInCache($item);
1112 if (stristr($item['verb'], Activity::POKE)) {
1113 $notify_type = Delivery::POKE;
1115 $notify_type = Delivery::POST;
1118 if (!in_array($item['verb'], self::ACTIVITIES) && !self::insertContent($item)) {
1119 // This shouldn't happen
1120 Logger::warning('No content stored, quitting', ['guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'causer-id' => ($item['causer-id'] ?? 0), 'post-type' => $item['post-type'], 'network' => $item['network']]);
1124 $body = $item['body'];
1125 $verb = $item['verb'];
1127 // We just remove everything that is content
1128 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1129 unset($item[$field]);
1132 unset($item['activity']);
1134 // Filling item related side tables
1136 // Diaspora signature
1137 if (!empty($item['diaspora_signed_text'])) {
1138 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1141 unset($item['diaspora_signed_text']);
1143 // Attached file links
1144 if (!empty($item['file'])) {
1145 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1148 unset($item['file']);
1150 // Delivery relevant data
1151 $delivery_data = Post\DeliveryData::extractFields($item);
1152 unset($item['postopts']);
1153 unset($item['inform']);
1155 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1156 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1159 // Store tags from the body if this hadn't been handled previously in the protocol classes
1160 if (!Tag::existsForPost($item['uri-id'])) {
1161 Tag::storeFromBody($item['uri-id'], $body);
1164 if (Post\User::insert($item['uri-id'], $item['uid'], $item)) {
1165 // Remove all fields that aren't part of the item table
1166 foreach ($item as $field => $value) {
1167 if (!in_array($field, $structure['item'])) {
1168 unset($item[$field]);
1172 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1173 if (DBA::exists('item', $condition)) {
1174 Logger::notice('Item is already inserted - aborting', $condition);
1178 $result = DBA::insert('item', $item);
1180 // When the item was successfully stored we fetch the ID of the item.
1181 $current_post = DBA::lastInsertId();
1183 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1187 if (empty($current_post) || !DBA::isResult($result)) {
1188 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1189 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1190 self::spool($orig_item);
1194 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1196 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1197 $parent_id = $current_post;
1201 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1203 $item['id'] = $current_post;
1204 $item['parent'] = $parent_id;
1206 // update the commented timestamp on the parent
1207 if (DI::config()->get('system', 'like_no_comment')) {
1208 // Update when it is a comment
1209 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1211 // Update when it isn't a follow or tag verb
1212 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1215 if ($update_commented) {
1216 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1218 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1221 if ($item['gravity'] === GRAVITY_PARENT) {
1222 self::addThread($current_post);
1224 self::updateThread($parent_id);
1227 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1228 if (self::tagDeliver($item['uid'], $current_post)) {
1229 // Get the user information for the logging
1230 $user = User::getById($uid);
1232 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1237 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1238 if (DBA::isResult($posted_item)) {
1240 Hook::callAll('post_local_end', $posted_item);
1242 Hook::callAll('post_remote_end', $posted_item);
1245 Logger::log('new item not found in DB, id ' . $current_post);
1249 if ($item['gravity'] === GRAVITY_PARENT) {
1250 self::addShadow($current_post);
1252 self::addShadowPost($current_post);
1255 self::updateContact($item);
1257 UserItem::setNotification($current_post);
1259 check_user_notification($current_post);
1261 // Distribute items to users who subscribed to their tags
1262 self::distributeByTags($item);
1264 // Automatically reshare the item if the "remote_self" option is selected
1265 self::autoReshare($item);
1267 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1270 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1271 // Don't relay participation messages
1272 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1273 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1274 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1280 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1283 return $current_post;
1287 * Change the owner of a parent item if it had been shared by a forum
1289 * (public) forum posts in the new format consist of the regular post by the author
1290 * followed by an announce message sent from the forum account.
1291 * Changing the owner helps in grouping forum posts.
1293 * @param array $item
1296 private static function setOwnerforResharedItem(array $item)
1298 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1299 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1300 if (!DBA::isResult($parent)) {
1301 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1305 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
1306 if (!DBA::isResult($author)) {
1307 Logger::error('Author not found', ['id' => $item['author-id']]);
1311 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1312 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1313 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
1317 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1318 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1319 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1323 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1324 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1327 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1328 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1332 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1333 Logger::info('Change owner of the parent', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'owner-id' => $item['author-id'], 'contact-id' => $cid]);
1337 * Distribute the given item to users who subscribed to their tags
1339 * @param array $item Processed item
1341 private static function distributeByTags(array $item)
1343 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1347 $uids = Tag::getUIDListByURIId($item['uri-id']);
1348 foreach ($uids as $uid) {
1349 if (Contact::isSharing($item['author-id'], $uid)) {
1352 $fields = ['post-type' => self::PT_TAG];
1355 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1356 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1361 * Insert a new item content entry
1363 * @param array $item The item fields that are to be inserted
1364 * @return bool "true" if content was inserted or already existed
1365 * @throws \Exception
1367 private static function insertContent(array $item)
1369 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1371 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1372 if (isset($item[$field])) {
1373 $fields[$field] = $item[$field];
1377 $found = DBA::exists('item-content', ['uri-id' => $item['uri-id']]);
1379 Logger::info('Existing content found', ['uri-id' => $item['uri-id'], 'uri' => $item['uri']]);
1383 DBA::insert('item-content', $fields, Database::INSERT_IGNORE);
1385 $found = DBA::exists('item-content', ['uri-id' => $item['uri-id']]);
1387 Logger::notice('Content inserted', ['uri-id' => $item['uri-id'], 'uri' => $item['uri']]);
1391 // This shouldn't happen.
1392 Logger::error("Content wasn't inserted", $item);
1397 * Update existing item content entries
1399 * @param array $item The item fields that are to be changed
1400 * @param array $condition The condition for finding the item content entries
1401 * @throws \Exception
1403 private static function updateContent($item, $condition)
1405 // We have to select only the fields from the "item-content" table
1407 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1408 if (isset($item[$field])) {
1409 $fields[$field] = $item[$field];
1413 if (empty($fields)) {
1417 DBA::update('item-content', $fields, $condition, true);
1418 Logger::info('Updated content', ['condition' => $condition]);
1422 * Distributes public items to the receivers
1424 * @param integer $itemid Item ID that should be added
1425 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1426 * @throws \Exception
1428 public static function distribute($itemid, $signed_text = '')
1430 $condition = ["`id` IN (SELECT `parent` FROM `post-view` WHERE `id` = ?)", $itemid];
1431 $parent = Post::selectFirst(['owner-id'], $condition);
1432 if (!DBA::isResult($parent)) {
1436 // Only distribute public items from native networks
1437 $condition = ['id' => $itemid, 'uid' => 0,
1438 'network' => array_merge(Protocol::FEDERATED ,['']),
1439 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1440 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1441 if (!DBA::isResult($item)) {
1445 $origin = $item['origin'];
1449 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1450 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1451 if (!DBA::isResult($owner)) {
1455 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1456 $contacts = DBA::select('contact', ['uid'], $condition);
1457 while ($contact = DBA::fetch($contacts)) {
1458 if ($contact['uid'] == 0) {
1462 $users[$contact['uid']] = $contact['uid'];
1464 DBA::close($contacts);
1466 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1467 $contacts = DBA::select('contact', ['uid'], $condition);
1468 while ($contact = DBA::fetch($contacts)) {
1469 if ($contact['uid'] == 0) {
1473 $users[$contact['uid']] = $contact['uid'];
1475 DBA::close($contacts);
1477 if (!empty($owner['alias'])) {
1478 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1479 $contacts = DBA::select('contact', ['uid'], $condition);
1480 while ($contact = DBA::fetch($contacts)) {
1481 if ($contact['uid'] == 0) {
1485 $users[$contact['uid']] = $contact['uid'];
1487 DBA::close($contacts);
1492 if ($item['uri'] != $item['parent-uri']) {
1493 $parents = Post::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1494 while ($parent = Post::fetch($parents)) {
1495 $users[$parent['uid']] = $parent['uid'];
1496 if ($parent['origin'] && !$origin) {
1497 $origin_uid = $parent['uid'];
1500 DBA::close($parents);
1503 foreach ($users as $uid) {
1504 if ($origin_uid == $uid) {
1505 $item['diaspora_signed_text'] = $signed_text;
1507 self::storeForUser($item, $uid);
1512 * Store a public item defined by their URI-ID for the given users
1514 * @param integer $uri_id URI-ID of the given item
1515 * @param integer $uid The user that will receive the item entry
1516 * @param array $fields Additional fields to be stored
1517 * @return integer stored item id
1519 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1521 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1522 if (!DBA::isResult($item)) {
1526 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1527 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']]);
1531 $item['post-type'] = self::PT_STORED;
1533 $item = array_merge($item, $fields);
1535 $stored = self::storeForUser($item, $uid);
1536 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1541 * Store a public item array for the given users
1543 * @param array $item The item entry that will be stored
1544 * @param integer $uid The user that will receive the item entry
1545 * @return integer stored item id
1546 * @throws \Exception
1548 private static function storeForUser(array $item, int $uid)
1550 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1551 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1556 unset($item['parent']);
1557 unset($item['mention']);
1558 unset($item['starred']);
1559 unset($item['unseen']);
1560 unset($item['psid']);
1562 $item['uid'] = $uid;
1563 $item['origin'] = 0;
1566 if ($item['gravity'] == GRAVITY_PARENT) {
1567 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1569 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1572 if (!empty($contact['id'])) {
1573 $item['contact-id'] = $contact['id'];
1575 // Shouldn't happen at all
1576 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1577 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1578 if (!DBA::isResult($self)) {
1579 // Shouldn't happen even less
1580 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1583 $item['contact-id'] = $self['id'];
1586 /// @todo Handling of "event-id"
1589 if ($item['gravity'] == GRAVITY_PARENT) {
1590 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1591 if (DBA::isResult($contact)) {
1592 $notify = self::isRemoteSelf($contact, $item);
1596 $distributed = self::insert($item, $notify, true);
1598 if (!$distributed) {
1599 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1601 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1603 return $distributed;
1607 * Add a shadow entry for a given item id that is a thread starter
1609 * We store every public item entry additionally with the user id "0".
1610 * This is used for the community page and for the search.
1611 * It is planned that in the future we will store public item entries only once.
1613 * @param integer $itemid Item ID that should be added
1614 * @throws \Exception
1616 private static function addShadow($itemid)
1618 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
1619 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1620 $item = Post::selectFirst($fields, $condition);
1622 if (!DBA::isResult($item)) {
1626 // is it already a copy?
1627 if (($itemid == 0) || ($item['uid'] == 0)) {
1631 // Is it a visible public post?
1632 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
1636 // is it an entry from a connector? Only add an entry for natively connected networks
1637 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1641 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
1645 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1647 if (DBA::isResult($item)) {
1648 // Preparing public shadow (removing user specific data)
1651 unset($item['parent']);
1652 unset($item['wall']);
1653 unset($item['mention']);
1654 unset($item['origin']);
1655 unset($item['starred']);
1656 unset($item['postopts']);
1657 unset($item['inform']);
1658 unset($item['post-type']);
1659 if ($item['uri'] == $item['parent-uri']) {
1660 $item['contact-id'] = $item['owner-id'];
1662 $item['contact-id'] = $item['author-id'];
1665 $public_shadow = self::insert($item, false, true);
1667 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1672 * Add a shadow entry for a given item id that is a comment
1674 * This function does the same like the function above - but for comments
1676 * @param integer $itemid Item ID that should be added
1677 * @throws \Exception
1679 private static function addShadowPost($itemid)
1681 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1682 if (!DBA::isResult($item)) {
1686 // Is it a toplevel post?
1687 if ($item['gravity'] == GRAVITY_PARENT) {
1688 self::addShadow($itemid);
1692 // Is this a shadow entry?
1693 if ($item['uid'] == 0) {
1697 // Is there a shadow parent?
1698 if (!Post::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
1702 // Is there already a shadow entry?
1703 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
1707 // Save "origin" and "parent" state
1708 $origin = $item['origin'];
1709 $parent = $item['parent'];
1711 // Preparing public shadow (removing user specific data)
1714 unset($item['parent']);
1715 unset($item['wall']);
1716 unset($item['mention']);
1717 unset($item['origin']);
1718 unset($item['starred']);
1719 unset($item['postopts']);
1720 unset($item['inform']);
1721 unset($item['post-type']);
1722 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1724 $public_shadow = self::insert($item, false, true);
1726 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
1728 // If this was a comment to a Diaspora post we don't get our comment back.
1729 // This means that we have to distribute the comment by ourselves.
1730 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1731 self::distribute($public_shadow);
1736 * Adds a language specification in a "language" element of given $arr.
1737 * Expects "body" element to exist in $arr.
1739 * @param array $item
1740 * @return string detected language
1741 * @throws \Text_LanguageDetect_Exception
1743 private static function getLanguage(array $item)
1745 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1749 // Convert attachments to links
1750 $naked_body = BBCode::removeAttachment($item['body']);
1751 if (empty($naked_body)) {
1755 // Remove links and pictures
1756 $naked_body = BBCode::removeLinks($naked_body);
1758 // Convert the title and the body to plain text
1759 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1761 // Remove possibly remaining links
1762 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1764 if (empty($naked_body)) {
1768 $ld = new Language(DI::l10n()->getAvailableLanguages());
1769 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1770 if (is_array($languages)) {
1771 return json_encode($languages);
1777 public static function getLanguageMessage(array $item)
1779 $iso639 = new \Matriphe\ISO639\ISO639;
1781 $used_languages = '';
1782 foreach (json_decode($item['language'], true) as $language => $reliability) {
1783 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1785 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1786 return $used_languages;
1790 * Creates an unique guid out of a given uri
1792 * @param string $uri uri of an item entry
1793 * @param string $host hostname for the GUID prefix
1794 * @return string unique guid
1796 public static function guidFromUri($uri, $host)
1798 // Our regular guid routine is using this kind of prefix as well
1799 // We have to avoid that different routines could accidentally create the same value
1800 $parsed = parse_url($uri);
1802 // We use a hash of the hostname as prefix for the guid
1803 $guid_prefix = hash("crc32", $host);
1805 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1806 unset($parsed["scheme"]);
1808 // Glue it together to be able to make a hash from it
1809 $host_id = implode("/", $parsed);
1811 // We could use any hash algorithm since it isn't a security issue
1812 $host_hash = hash("ripemd128", $host_id);
1814 return $guid_prefix.$host_hash;
1818 * generate an unique URI
1820 * @param integer $uid User id
1821 * @param string $guid An existing GUID (Otherwise it will be generated)
1824 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1826 public static function newURI($uid, $guid = "")
1829 $guid = System::createUUID();
1832 return DI::baseUrl()->get() . '/objects/' . $guid;
1836 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1838 * This can be used to filter for inactive contacts.
1839 * Only do this for public postings to avoid privacy problems, since poco data is public.
1840 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1842 * @param array $arr Contains the just posted item record
1843 * @throws \Exception
1845 private static function updateContact($arr)
1847 // Unarchive the author
1848 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1849 if (DBA::isResult($contact)) {
1850 Contact::unmarkForArchival($contact);
1853 // Unarchive the contact if it's not our own contact
1854 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1855 if (DBA::isResult($contact)) {
1856 Contact::unmarkForArchival($contact);
1859 /// @todo On private posts we could obfuscate the date
1860 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1862 // Is it a forum? Then we don't care about the rules from above
1863 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
1864 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1870 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1871 // So we have to ensure to only update the last item when it had been our own post,
1872 // or it had been done by a "regular" contact.
1873 if (!empty($arr['wall'])) {
1874 $condition = ['id' => $arr['contact-id']];
1876 $condition = ['id' => $arr['contact-id'], 'self' => false];
1878 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1880 // Now do the same for the system wide contacts with uid=0
1881 if ($arr['private'] != self::PRIVATE) {
1882 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1883 ['id' => $arr['owner-id']]);
1885 if ($arr['owner-id'] != $arr['author-id']) {
1886 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1887 ['id' => $arr['author-id']]);
1892 public static function setHashtags($body)
1894 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
1895 $tags = BBCode::getTags($body);
1898 if (!count($tags)) {
1902 // This sorting is important when there are hashtags that are part of other hashtags
1903 // Otherwise there could be problems with hashtags like #test and #test2
1904 // Because of this we are sorting from the longest to the shortest tag.
1905 usort($tags, function ($a, $b) {
1906 return strlen($b) <=> strlen($a);
1909 $URLSearchString = "^\[\]";
1911 // All hashtags should point to the home server if "local_tags" is activated
1912 if (DI::config()->get('system', 'local_tags')) {
1913 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1914 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1917 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1918 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1920 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1923 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1925 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1928 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1930 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1933 // Repair recursive urls
1934 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1937 foreach ($tags as $tag) {
1938 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1942 $basetag = str_replace('_', ' ', substr($tag, 1));
1943 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1945 $body = str_replace($tag, $newtag, $body);
1948 // Convert back the masked hashtags
1949 $body = str_replace("#", "#", $body);
1958 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1961 * @param int $item_id
1962 * @return boolean true if item was deleted, else false
1963 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1964 * @throws \ImagickException
1966 private static function tagDeliver($uid, $item_id)
1970 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1971 if (!DBA::isResult($user)) {
1975 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1976 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1978 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1979 if (!DBA::isResult($item)) {
1983 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1986 * Diaspora uses their own hardwired link URL in @-tags
1987 * instead of the one we supply with webfinger
1989 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1991 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1993 foreach ($matches as $mtch) {
1994 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1996 Logger::log('mention found: ' . $mtch[2]);
2002 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2003 foreach ($tags as $tag) {
2004 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
2006 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
2012 if (($community_page || $prvgroup) &&
2013 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2014 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2015 DBA::delete('item', ['id' => $item_id]);
2021 $arr = ['item' => $item, 'user' => $user];
2023 Hook::callAll('tagged', $arr);
2025 if (!$community_page && !$prvgroup) {
2030 * tgroup delivery - setup a second delivery chain
2031 * prevent delivery looping - only proceed
2032 * if the message originated elsewhere and is a top-level post
2034 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2038 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2039 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2040 if (!DBA::isResult($self)) {
2044 $owner_id = Contact::getIdForURL($self['url']);
2046 // also reset all the privacy bits to the forum default permissions
2048 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2050 $psid = PermissionSet::getIdFromACL(
2058 $forum_mode = ($prvgroup ? 2 : 1);
2060 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2061 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2062 self::update($fields, ['id' => $item_id]);
2064 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2066 self::performActivity($item_id, 'announce', $uid);
2072 * Automatically reshare the item if the "remote_self" option is selected
2074 * @param array $item
2077 private static function autoReshare(array $item)
2079 if ($item['gravity'] != GRAVITY_PARENT) {
2083 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2087 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2091 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2093 self::performActivity($item['id'], 'announce', $item['uid']);
2096 public static function isRemoteSelf($contact, &$datarray)
2098 if (!$contact['remote_self']) {
2102 // Prevent the forwarding of posts that are forwarded
2103 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2104 Logger::info('Already forwarded');
2108 // Prevent to forward already forwarded posts
2109 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2110 Logger::info('Already forwarded (second test)');
2114 // Only forward posts
2115 if ($datarray["verb"] != Activity::POST) {
2116 Logger::info('No post');
2120 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2121 Logger::info('Not public');
2125 $datarray2 = $datarray;
2126 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2127 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2128 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2129 ['uid' => $contact['uid'], 'self' => true]);
2130 if (DBA::isResult($self)) {
2131 $datarray['contact-id'] = $self["id"];
2133 $datarray['owner-name'] = $self["name"];
2134 $datarray['owner-link'] = $self["url"];
2135 $datarray['owner-avatar'] = $self["thumb"];
2137 $datarray['author-name'] = $datarray['owner-name'];
2138 $datarray['author-link'] = $datarray['owner-link'];
2139 $datarray['author-avatar'] = $datarray['owner-avatar'];
2141 unset($datarray['edited']);
2143 unset($datarray['network']);
2144 unset($datarray['owner-id']);
2145 unset($datarray['author-id']);
2148 if ($contact['network'] != Protocol::FEED) {
2149 $old_uri_id = $datarray["uri-id"] ?? 0;
2150 $datarray["guid"] = System::createUUID();
2151 unset($datarray["plink"]);
2152 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2153 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2154 $datarray["extid"] = Protocol::DFRN;
2155 $urlpart = parse_url($datarray2['author-link']);
2156 $datarray["app"] = $urlpart["host"];
2157 if (!empty($old_uri_id)) {
2158 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2161 unset($datarray["parent-uri"]);
2162 unset($datarray["thr-parent"]);
2164 $datarray['private'] = self::PUBLIC;
2168 if ($contact['network'] != Protocol::FEED) {
2169 // Store the original post
2170 $result = self::insert($datarray2);
2171 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2173 $datarray["app"] = "Feed";
2177 // Trigger automatic reactions for addons
2178 $datarray['api_source'] = true;
2180 // We have to tell the hooks who we are - this really should be improved
2181 $_SESSION['authenticated'] = true;
2182 $_SESSION['uid'] = $contact['uid'];
2184 return (bool)$result;
2191 * @param array $item
2194 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2195 * @throws \ImagickException
2197 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2199 if (DI::config()->get('system', 'disable_embedded')) {
2203 Logger::info('check for photos');
2204 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2209 $img_start = strpos($orig_body, '[img');
2210 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2211 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2213 while (($img_st_close !== false) && ($img_len !== false)) {
2214 $img_st_close++; // make it point to AFTER the closing bracket
2215 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2217 Logger::info('found photo', ['image' => $image]);
2219 if (stristr($image, $site . '/photo/')) {
2220 // Only embed locally hosted photos
2222 $i = basename($image);
2223 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2224 $x = strpos($i, '-');
2227 $res = substr($i, $x + 1);
2228 $i = substr($i, 0, $x);
2229 $photo = Photo::getPhotoForUser($uid, $i, $res);
2230 if (DBA::isResult($photo)) {
2232 * Check to see if we should replace this photo link with an embedded image
2233 * 1. No need to do so if the photo is public
2234 * 2. If there's a contact-id provided, see if they're in the access list
2235 * for the photo. If so, embed it.
2236 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2237 * permissions, regardless of order but first check to see if they're an exact
2238 * match to save some processing overhead.
2240 if (self::hasPermissions($photo)) {
2242 $recips = self::enumeratePermissions($photo);
2243 if (in_array($cid, $recips)) {
2247 if (self::samePermissions($uid, $item, $photo)) {
2253 $photo_img = Photo::getImageForPhoto($photo);
2254 // If a custom width and height were specified, apply before embedding
2255 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2256 Logger::info('scaling photo');
2258 $width = intval($match[1]);
2259 $height = intval($match[2]);
2261 $photo_img->scaleDown(max($width, $height));
2264 $data = $photo_img->asString();
2265 $type = $photo_img->getType();
2267 Logger::info('replacing photo');
2268 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2269 Logger::debug('replaced', ['image' => $image]);
2275 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2276 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2277 if ($orig_body === false) {
2281 $img_start = strpos($orig_body, '[img');
2282 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2283 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2286 $new_body = $new_body . $orig_body;
2291 private static function hasPermissions($obj)
2293 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2294 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2297 private static function samePermissions($uid, $obj1, $obj2)
2299 // first part is easy. Check that these are exactly the same.
2300 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2301 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2302 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2303 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2307 // This is harder. Parse all the permissions and compare the resulting set.
2308 $recipients1 = self::enumeratePermissions($obj1);
2309 $recipients2 = self::enumeratePermissions($obj2);
2313 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2314 return ($recipients1 == $recipients2);
2318 * Returns an array of contact-ids that are allowed to see this object
2320 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2321 * @param bool $check_dead Prunes unavailable contacts from the result
2323 * @throws \Exception
2325 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2327 $aclFormater = DI::aclFormatter();
2329 $allow_people = $aclFormater->expand($obj['allow_cid']);
2330 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2331 $deny_people = $aclFormater->expand($obj['deny_cid']);
2332 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2333 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2334 $deny = array_unique(array_merge($deny_people, $deny_groups));
2335 $recipients = array_diff($recipients, $deny);
2339 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2341 if (!$uid || ($days < 1)) {
2345 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2346 $uid, GRAVITY_PARENT];
2349 * $expire_network_only = save your own wall posts
2350 * and just expire conversations started by others
2352 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2354 if ($expire_network_only) {
2355 $condition[0] .= " AND NOT `wall`";
2358 if ($network != "") {
2359 $condition[0] .= " AND `network` = ?";
2360 $condition[] = $network;
2363 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2364 $condition[] = $days;
2366 $items = Post::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2368 if (!DBA::isResult($items)) {
2372 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2374 // Forcing expiring of items - but not notes and marked items
2376 $expire_items = true;
2379 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2380 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2381 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2385 $priority = DI::config()->get('system', 'expire-notify-priority');
2387 while ($item = Post::fetch($items)) {
2388 // don't expire filed items
2390 if (strpos($item['file'], '[') !== false) {
2394 // Only expire posts, not photos and photo comments
2396 if (!$expire_photos && strlen($item['resource-id'])) {
2398 } elseif (!$expire_starred && intval($item['starred'])) {
2400 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
2402 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2406 self::markForDeletionById($item['id'], $priority);
2411 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2414 public static function firstPostDate($uid, $wall = false)
2416 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2417 $params = ['order' => ['received' => false]];
2418 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
2419 if (DBA::isResult($thread)) {
2420 return substr(DateTimeFormat::local($thread['received']), 0, 10);
2426 * add/remove activity to an item
2428 * Toggle activities as like,dislike,attend of an item
2430 * @param int $item_id
2431 * @param string $verb
2432 * Activity verb. One of
2433 * like, unlike, dislike, undislike, attendyes, unattendyes,
2434 * attendno, unattendno, attendmaybe, unattendmaybe,
2435 * announce, unannouce
2437 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2438 * @throws \ImagickException
2439 * @hook 'post_local_end'
2441 * 'post_id' => ID of posted item
2443 public static function performActivity(int $item_id, string $verb, int $uid)
2449 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2451 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2452 if (!DBA::isResult($item)) {
2453 Logger::log('like: unknown item ' . $item_id);
2457 $item_uri = $item['uri'];
2459 if (!in_array($item['uid'], [0, $uid])) {
2463 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2464 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2465 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2466 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2467 if (!DBA::isResult($item)) {
2468 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
2474 // Retrieves the local post owner
2475 $owner = User::getOwnerDataById($uid);
2476 if (empty($owner)) {
2477 Logger::info('Empty owner for user', ['uid' => $uid]);
2481 // Retrieve the current logged in user's public contact
2482 $author_id = Contact::getIdForURL($owner['url']);
2483 if (empty($author_id)) {
2484 Logger::info('Empty public contact');
2492 $activity = Activity::LIKE;
2496 $activity = Activity::DISLIKE;
2500 $activity = Activity::ATTEND;
2504 $activity = Activity::ATTENDNO;
2507 case 'unattendmaybe':
2508 $activity = Activity::ATTENDMAYBE;
2512 $activity = Activity::FOLLOW;
2516 $activity = Activity::ANNOUNCE;
2519 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2523 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2525 // Enable activity toggling instead of on/off
2526 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2528 // Look for an existing verb row
2529 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2530 if ($event_verb_flag) {
2531 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2533 // Translate to the index based activity index
2535 foreach ($verbs as $verb) {
2536 $vids[] = Verb::getID($verb);
2539 $vids = Verb::getID($activity);
2542 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2543 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
2544 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2546 if (DBA::isResult($like_item)) {
2548 * Truth table for existing activities
2550 * | Inputs || Outputs |
2551 * |----------------------------||-------------------|
2552 * | Mode | Event | Same verb || Delete? | Return? |
2553 * |--------|-------|-----------||---------|---------|
2554 * | create | Yes | Yes || No | Yes |
2555 * | create | Yes | No || Yes | No |
2556 * | create | No | Yes || No | Yes |
2557 * | create | No | No || N/A†|
2558 * | delete | Yes | Yes || Yes | N/A‡ |
2559 * | delete | Yes | No || No | N/A‡ |
2560 * | delete | No | Yes || Yes | N/A‡ |
2561 * | delete | No | No || N/A†|
2562 * |--------|-------|-----------||---------|---------|
2563 * | A | B | C || A xor C | !B or C |
2565 * †Can't happen: It's impossible to find an existing non-event activity without
2566 * the same verb because we are only looking for this single verb.
2568 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2570 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2571 self::markForDeletionById($like_item['id']);
2574 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2579 // No need to go further if we aren't creating anything
2580 if ($mode == 'delete') {
2584 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2587 'guid' => System::createUUID(),
2588 'uri' => self::newURI($item['uid']),
2589 'uid' => $item['uid'],
2590 'contact-id' => $owner['id'],
2591 'wall' => $item['wall'],
2593 'network' => Protocol::DFRN,
2594 'protocol' => Conversation::PARCEL_DIRECT,
2595 'direction' => Conversation::PUSH,
2596 'gravity' => GRAVITY_ACTIVITY,
2597 'parent' => $item['id'],
2598 'thr-parent' => $item['uri'],
2599 'owner-id' => $author_id,
2600 'author-id' => $author_id,
2601 'body' => $activity,
2602 'verb' => $activity,
2603 'object-type' => $objtype,
2604 'allow_cid' => $item['allow_cid'],
2605 'allow_gid' => $item['allow_gid'],
2606 'deny_cid' => $item['deny_cid'],
2607 'deny_gid' => $item['deny_gid'],
2612 $signed = Diaspora::createLikeSignature($uid, $new_item);
2613 if (!empty($signed)) {
2614 $new_item['diaspora_signed_text'] = json_encode($signed);
2617 $new_item_id = self::insert($new_item);
2619 // If the parent item isn't visible then set it to visible
2620 if (!$item['visible']) {
2621 self::update(['visible' => true], ['id' => $item['id']]);
2624 $new_item['id'] = $new_item_id;
2626 Hook::callAll('post_local_end', $new_item);
2631 private static function addThread($itemid, $onlyshadow = false)
2633 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2634 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
2635 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2636 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2637 $item = Post::selectFirst($fields, $condition);
2639 if (!DBA::isResult($item)) {
2643 $item['iid'] = $itemid;
2646 $result = DBA::replace('thread', $item);
2648 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
2652 private static function updateThread($itemid, $setmention = false)
2654 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
2655 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
2656 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2658 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
2659 if (!DBA::isResult($item)) {
2664 $item["mention"] = 1;
2669 foreach ($item as $field => $data) {
2670 if (!in_array($field, ["guid"])) {
2671 $fields[$field] = $data;
2675 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
2677 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
2680 private static function deleteThread($itemid, $itemuri = "")
2682 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2683 if (!DBA::isResult($item)) {
2684 Logger::info('No thread found', ['id' => $itemid]);
2688 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
2690 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
2692 if ($itemuri != "") {
2693 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2694 if (!Post::exists($condition)) {
2695 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2696 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
2702 * Fetch the SQL condition for the given user id
2704 * @param integer $owner_id User ID for which the permissions should be fetched
2705 * @return array condition
2707 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2709 $local_user = local_user();
2710 $remote_user = Session::getRemoteContactID($owner_id);
2712 // default permissions - anonymous user
2713 $condition = ["`private` != ?", self::PRIVATE];
2715 if ($local_user && ($local_user == $owner_id)) {
2716 // Profile owner - everything is visible
2718 } elseif ($remote_user) {
2719 // Authenticated visitor - fetch the matching permissionsets
2720 $set = PermissionSet::get($owner_id, $remote_user);
2722 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2723 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2724 self::PRIVATE, self::PRIVATE];
2725 $condition = array_merge($condition, $set);
2733 * Get a permission SQL string for the given user
2735 * @param int $owner_id
2736 * @param string $table
2739 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2741 $local_user = local_user();
2742 $remote_user = Session::getRemoteContactID($owner_id);
2744 if (!empty($table)) {
2745 $table = DBA::quoteIdentifier($table) . '.';
2749 * Construct permissions
2751 * default permissions - anonymous user
2753 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2755 // Profile owner - everything is visible
2756 if ($local_user && ($local_user == $owner_id)) {
2758 } elseif ($remote_user) {
2760 * Authenticated visitor. Unless pre-verified,
2761 * check that the contact belongs to this $owner_id
2762 * and load the groups the visitor belongs to.
2763 * If pre-verified, the caller is expected to have already
2764 * done this and passed the groups into this function.
2766 $set = PermissionSet::get($owner_id, $remote_user);
2769 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2774 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2781 * get translated item type
2786 public static function postType($item)
2788 if (!empty($item['event-id'])) {
2789 return DI::l10n()->t('event');
2790 } elseif (!empty($item['resource-id'])) {
2791 return DI::l10n()->t('photo');
2792 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2793 return DI::l10n()->t('activity');
2794 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2795 return DI::l10n()->t('comment');
2798 return DI::l10n()->t('post');
2802 * Sets the "rendered-html" field of the provided item
2804 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2806 * @param array $item
2807 * @param bool $update
2809 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2810 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2812 public static function putInCache(&$item, $update = false)
2814 // Save original body to prevent addons to modify it
2815 $body = $item['body'];
2817 $rendered_hash = $item['rendered-hash'] ?? '';
2818 $rendered_html = $item['rendered-html'] ?? '';
2820 if ($rendered_hash == ''
2821 || $rendered_html == ''
2822 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2823 || DI::config()->get('system', 'ignore_cache')
2825 self::addRedirToImageTags($item);
2827 $item['rendered-html'] = BBCode::convert($item['body']);
2828 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2830 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2831 Hook::callAll('put_item_in_cache', $hook_data);
2832 $item['rendered-html'] = $hook_data['rendered-html'];
2833 $item['rendered-hash'] = $hook_data['rendered-hash'];
2836 // Force an update if the generated values differ from the existing ones
2837 if ($rendered_hash != $item['rendered-hash']) {
2841 // Only compare the HTML when we forcefully ignore the cache
2842 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
2846 if ($update && !empty($item['id'])) {
2849 'rendered-html' => $item['rendered-html'],
2850 'rendered-hash' => $item['rendered-hash']
2852 ['id' => $item['id']]
2857 $item['body'] = $body;
2861 * Find any non-embedded images in private items and add redir links to them
2863 * @param array &$item The field array of an item row
2865 private static function addRedirToImageTags(array &$item)
2870 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2872 foreach ($matches as $mtch) {
2873 if (strpos($mtch[1], '/redir') !== false) {
2877 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2878 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2879 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2886 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2887 * If attach is true, also add icons for item attachments.
2889 * @param array $item
2890 * @param boolean $attach
2891 * @param boolean $is_preview
2892 * @return string item body html
2893 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2894 * @throws \ImagickException
2895 * @hook prepare_body_init item array before any work
2896 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2897 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2898 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2900 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2903 Hook::callAll('prepare_body_init', $item);
2905 // In order to provide theme developers more possibilities, event items
2906 // are treated differently.
2907 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2908 $ev = Event::getItemHTML($item);
2912 $tags = Tag::populateFromItem($item);
2914 $item['tags'] = $tags['tags'];
2915 $item['hashtags'] = $tags['hashtags'];
2916 $item['mentions'] = $tags['mentions'];
2918 // Compile eventual content filter reasons
2919 $filter_reasons = [];
2920 if (!$is_preview && public_contact() != $item['author-id']) {
2921 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2922 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2927 'filter_reasons' => $filter_reasons
2929 Hook::callAll('prepare_body_content_filter', $hook_data);
2930 $filter_reasons = $hook_data['filter_reasons'];
2934 // Update the cached values if there is no "zrl=..." on the links.
2935 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
2937 // Or update it if the current viewer is the intented viewer.
2938 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
2942 self::putInCache($item, $update);
2943 $s = $item["rendered-html"];
2948 'preview' => $is_preview,
2949 'filter_reasons' => $filter_reasons
2951 Hook::callAll('prepare_body', $hook_data);
2952 $s = $hook_data['html'];
2956 // Replace the blockquotes with quotes that are used in mails.
2957 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2958 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2964 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
2965 $mime = $attachment['mimetype'];
2967 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
2969 if (strpos($mime, 'video') !== false) {
2972 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
2975 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2977 'id' => $item['author-id'],
2978 'title' => DI::l10n()->t('View Video'),
2985 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
2987 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
2988 $filesubtype = str_replace('.', '-', $filesubtype);
2991 $filesubtype = 'unkn';
2994 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
2995 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
2997 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
2998 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3002 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3006 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3007 $x = Map::byCoordinates(trim($item['coord']));
3009 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3013 // Replace friendica image url size with theme preference.
3014 if (!empty($a->theme_info['item_image_size'])) {
3015 $ps = $a->theme_info['item_image_size'];
3016 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3019 $s = HTML::applyContentFilter($s, $filter_reasons);
3021 $hook_data = ['item' => $item, 'html' => $s];
3022 Hook::callAll('prepare_body_final', $hook_data);
3024 return $hook_data['html'];
3028 * get private link for item
3030 * @param array $item
3031 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3032 * @throws \Exception
3034 public static function getPlink($item)
3038 'href' => "display/" . $item['guid'],
3039 'orig' => "display/" . $item['guid'],
3040 'title' => DI::l10n()->t('View on separate page'),
3041 'orig_title' => DI::l10n()->t('view on separate page'),
3044 if (!empty($item['plink'])) {
3045 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3046 $ret["title"] = DI::l10n()->t('link to source');
3048 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3050 'href' => $item['plink'],
3051 'orig' => $item['plink'],
3052 'title' => DI::l10n()->t('link to source'),
3062 * Is the given item array a post that is sent as starting post to a forum?
3064 * @param array $item
3065 * @param array $owner
3067 * @return boolean "true" when it is a forum post
3069 public static function isForumPost(array $item, array $owner = [])
3071 if (empty($owner)) {
3072 $owner = User::getOwnerDataById($item['uid']);
3073 if (empty($owner)) {
3078 if (($item['author-id'] == $item['owner-id']) ||
3079 ($owner['id'] == $item['contact-id']) ||
3080 ($item['uri'] != $item['parent-uri']) ||
3085 return Contact::isForum($item['contact-id']);
3089 * Search item id for given URI or plink
3091 * @param string $uri
3092 * @param integer $uid
3094 * @return integer item id
3096 public static function searchByLink($uri, $uid = 0)
3098 $ssl_uri = str_replace('http://', 'https://', $uri);
3099 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3101 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3102 if (DBA::isResult($item)) {
3106 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3107 if (!DBA::isResult($itemcontent)) {
3111 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3112 if (!DBA::isResult($itemuri)) {
3116 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3117 if (DBA::isResult($item)) {
3125 * Return the URI for a link to the post
3127 * @param string $uri URI or link to post
3129 * @return string URI
3131 public static function getURIByLink(string $uri)
3133 $ssl_uri = str_replace('http://', 'https://', $uri);
3134 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3136 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3137 if (DBA::isResult($item)) {
3138 return $item['uri'];
3141 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3142 if (!DBA::isResult($itemcontent)) {
3146 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3147 if (DBA::isResult($itemuri)) {
3148 return $itemuri['uri'];
3155 * Fetches item for given URI or plink
3157 * @param string $uri
3158 * @param integer $uid
3160 * @return integer item id
3162 public static function fetchByLink(string $uri, int $uid = 0)
3164 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3165 $item_id = self::searchByLink($uri, $uid);
3166 if (!empty($item_id)) {
3167 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3171 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3172 $item_id = self::searchByLink($fetched_uri, $uid);
3174 $item_id = Diaspora::fetchByURL($uri);
3177 if (!empty($item_id)) {
3178 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3182 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3187 * Return share data from an item array (if the item is shared item)
3188 * We are providing the complete Item array, because at some time in the future
3189 * we hopefully will define these values not in the body anymore but in some item fields.
3190 * This function is meant to replace all similar functions in the system.
3192 * @param array $item
3194 * @return array with share information
3196 public static function getShareArray($item)
3198 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3202 $attribute_string = $matches[2];
3203 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3204 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3205 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3206 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3213 * Fetch item information for shared items from the original items and adds it.
3215 * @param array $item
3217 * @return array item array with data from the original item
3219 public static function addShareDataFromOriginal(array $item)
3221 $shared = self::getShareArray($item);
3222 if (empty($shared)) {
3226 // Real reshares always have got a GUID.
3227 if (empty($shared['guid'])) {
3231 $uid = $item['uid'] ?? 0;
3233 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3234 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3235 if (!DBA::isResult($shared_item)) {
3236 if (empty($shared['link'])) {
3240 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3241 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3243 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3247 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3248 if (!DBA::isResult($shared_item)) {
3251 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3253 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3256 if (!empty($shared_item['title'])) {
3257 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3258 unset($shared_item['title']);
3260 $body = $shared_item['body'];
3263 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3264 unset($shared_item['body']);
3266 return array_merge($item, $shared_item);
3270 * Check a prospective item array against user-level permissions
3272 * @param array $item Expected keys: uri, gravity, and
3273 * author-link if is author-id is set,
3274 * owner-link if is owner-id is set,
3275 * causer-link if is causer-id is set.
3276 * @param int $user_id Local user ID
3278 * @throws \Exception
3280 protected static function isAllowedByUser(array $item, int $user_id)
3282 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3283 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3287 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3288 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3292 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3293 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3294 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3298 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3299 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);