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\DBA;
35 use Friendica\Database\DBStructure;
37 use Friendica\Model\Post;
38 use Friendica\Protocol\Activity;
39 use Friendica\Protocol\ActivityPub;
40 use Friendica\Protocol\Diaspora;
41 use Friendica\Util\DateTimeFormat;
42 use Friendica\Util\Map;
43 use Friendica\Util\Network;
44 use Friendica\Util\Strings;
45 use Friendica\Worker\Delivery;
46 use LanguageDetection\Language;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
64 const PT_FOLLOWER = 69;
65 const PT_ANNOUNCEMENT = 70;
66 const PT_COMMENT = 71;
70 const PT_FETCHED = 75;
71 const PT_PERSONAL_NOTE = 128;
73 // Field list that is used to display the items
74 const DISPLAY_FIELDLIST = [
75 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
76 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
77 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'language',
78 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
79 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
80 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
81 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
82 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
83 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
84 'writable', 'self', 'cid', 'alias',
85 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
86 'event-summary', 'event-desc', 'event-location', 'event-type',
87 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
88 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
91 // Field list that is used to deliver items via the protocols
92 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
93 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
94 'private', 'title', 'body', 'location', 'coord', 'app',
95 'deleted', 'extid', 'post-type', 'gravity',
96 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
97 'author-id', 'author-link', 'owner-link', 'contact-uid',
98 'signed_text', 'network'];
100 // Field list for "item-content" table that is mixed with the item table
101 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
102 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
103 'object-type', 'object', 'target-type', 'target', 'plink'];
105 // Field list for "item-content" table that is not present in the "item" table
106 const CONTENT_FIELDLIST = ['language', 'raw-body'];
108 // All fields in the item table
109 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
110 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
111 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'psid',
112 'created', 'edited', 'commented', 'received', 'changed', 'verb',
113 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
114 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
115 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
116 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
117 'title', 'content-warning', 'body', 'location', 'coord', 'app',
118 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
119 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
120 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
122 // List of all verbs that don't need additional content data.
123 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
125 Activity::LIKE, Activity::DISLIKE,
126 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
134 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
136 private static function getItemFields()
138 $definition = DBStructure::definition('', false);
141 foreach (self::TABLES as $table) {
142 $postfields[$table] = array_keys($definition[$table]['fields']);
149 * Set the pinned state of an item
151 * @param integer $iid Item ID
152 * @param integer $uid User ID
153 * @param boolean $pinned Pinned state
155 public static function setPinned(int $iid, int $uid, bool $pinned)
157 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
161 * Get the pinned state
163 * @param integer $iid Item ID
164 * @param integer $uid User ID
166 * @return boolean pinned state
168 public static function getPinned(int $iid, int $uid)
170 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
171 if (!DBA::isResult($useritem)) {
174 return (bool)$useritem['pinned'];
178 * Update existing item entries
180 * @param array $fields The fields that are to be changed
181 * @param array $condition The condition for finding the item entries
183 * In the future we may have to change permissions as well.
184 * Then we had to add the user id as third parameter.
186 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
188 * @return integer|boolean number of affected rows - or "false" if there was an error
189 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
191 public static function update(array $fields, array $condition)
193 if (empty($condition) || empty($fields)) {
197 $data_fields = $fields;
199 // To ensure the data integrity we do it in an transaction
202 // We cannot simply expand the condition to check for origin entries
203 // The condition needn't to be a simple array but could be a complex condition.
204 // And we have to execute this query before the update to ensure to fetch the same data.
205 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'icid', 'uid', 'file'], $condition);
207 $content_fields = [];
208 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
209 if (isset($fields[$field])) {
210 $content_fields[$field] = $fields[$field];
211 if (in_array($field, self::CONTENT_FIELDLIST)) {
212 unset($fields[$field]);
214 $fields[$field] = null;
219 $delivery_data = Post\DeliveryData::extractFields($fields);
221 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
222 foreach ($clear_fields as $field) {
223 if (array_key_exists($field, $fields)) {
224 $fields[$field] = null;
228 if (array_key_exists('file', $fields)) {
229 $files = $fields['file'];
230 $fields['file'] = null;
235 if (!empty($content_fields['verb'])) {
236 $fields['vid'] = Verb::getID($content_fields['verb']);
239 if (!empty($fields)) {
240 $success = DBA::update('item', $fields, $condition);
249 // When there is no content for the "old" item table, this will count the fetched items
250 $rows = DBA::affectedRows();
254 while ($item = DBA::fetch($items)) {
255 Post\User::update($item['uri-id'], $item['uid'], $data_fields);
257 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
258 if (!empty($content_fields['body'])) {
259 $content_fields['raw-body'] = trim($content_fields['raw-body'] ?? $content_fields['body']);
261 // Remove all media attachments from the body and store them in the post-media table
262 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
263 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
266 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
268 if (empty($item['icid'])) {
269 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
270 if (DBA::isResult($item_content)) {
271 $item_fields = ['icid' => $item_content['id']];
272 DBA::update('item', $item_fields, ['id' => $item['id']]);
277 if (!is_null($files)) {
278 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
279 if (!empty($item['file'])) {
280 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
284 if (!empty($fields['attach'])) {
285 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
288 Post\DeliveryData::update($item['uri-id'], $delivery_data);
290 self::updateThread($item['id']);
292 // We only need to notfiy others when it is an original entry from us.
293 // Only call the notifier when the item has some content relevant change.
294 if ($item['origin'] && in_array('edited', array_keys($fields))) {
295 $notify_items[] = $item['id'];
302 foreach ($notify_items as $notify_item) {
303 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
310 * Delete an item and notify others about it - if it was ours
312 * @param array $condition The condition for finding the item entries
313 * @param integer $priority Priority for the notification
314 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
316 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
318 $items = Post::select(['id'], $condition);
319 while ($item = Post::fetch($items)) {
320 self::markForDeletionById($item['id'], $priority);
326 * Delete an item for an user and notify others about it - if it was ours
328 * @param array $condition The condition for finding the item entries
329 * @param integer $uid User who wants to delete this item
330 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
332 public static function deleteForUser($condition, $uid)
338 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
339 while ($item = Post::fetch($items)) {
340 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
342 // "Deleting" global items just means hiding them
343 if ($item['uid'] == 0) {
344 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
345 } elseif ($item['uid'] == $uid) {
346 self::markForDeletionById($item['id'], PRIORITY_HIGH);
348 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
355 * Mark an item for deletion, delete related data and notify others about it - if it was ours
357 * @param integer $item_id
358 * @param integer $priority Priority for the notification
360 * @return boolean success
361 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
363 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
365 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
366 // locate item to be deleted
367 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
368 'deleted', 'file', 'resource-id', 'event-id',
369 'verb', 'object-type', 'object', 'target', 'contact-id',
370 'icid', 'psid', 'gravity'];
371 $item = Post::selectFirst($fields, ['id' => $item_id]);
372 if (!DBA::isResult($item)) {
373 Logger::info('Item not found.', ['id' => $item_id]);
377 if ($item['deleted']) {
378 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
382 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
383 if (!DBA::isResult($parent)) {
384 $parent = ['origin' => false];
387 // clean up categories and tags so they don't end up as orphans
390 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
393 foreach ($matches as $mtch) {
394 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
400 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
403 foreach ($matches as $mtch) {
404 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
409 * If item is a link to a photo resource, nuke all the associated photos
410 * (visitors will not have photo resources)
411 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
412 * generate a resource-id and therefore aren't intimately linked to the item.
414 /// @TODO: this should first check if photo is used elsewhere
415 if (strlen($item['resource-id'])) {
416 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
419 // If item is a link to an event, delete the event.
420 if (intval($item['event-id'])) {
421 Event::delete($item['event-id']);
424 // If item has attachments, drop them
425 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
426 foreach($attachments as $attachment) {
427 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
428 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
432 // Set the item to "deleted"
433 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
434 DBA::update('item', $item_fields, ['id' => $item['id']]);
436 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
437 self::deleteThread($item['id'], $item['parent-uri']);
439 if (!Post::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
440 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
443 Post\DeliveryData::delete($item['uri-id']);
445 // When the permission set will be used in photo and events as well,
446 // this query here needs to be extended.
447 // @todo Currently deactivated. We need the permission set in the deletion process.
448 // This is a reminder to add the removal somewhere else.
449 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
450 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
453 // If it's the parent of a comment thread, kill all the kids
454 if ($item['gravity'] == GRAVITY_PARENT) {
455 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
458 // Is it our comment and/or our thread?
459 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
460 // When we delete the original post we will delete all existing copies on the server as well
461 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
463 // send the notification upstream/downstream
465 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
467 } elseif ($item['uid'] != 0) {
468 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
470 // When we delete just our local user copy of an item, we have to set a marker to hide it
471 $global_item = Post::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
472 if (DBA::isResult($global_item)) {
473 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
477 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
483 private static function guid($item, $notify)
485 if (!empty($item['guid'])) {
486 return Strings::escapeTags(trim($item['guid']));
490 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
491 // We add the hash of our own host because our host is the original creator of the post.
492 $prefix_host = DI::baseUrl()->getHostname();
496 // We are only storing the post so we create a GUID from the original hostname.
497 if (!empty($item['author-link'])) {
498 $parsed = parse_url($item['author-link']);
499 if (!empty($parsed['host'])) {
500 $prefix_host = $parsed['host'];
504 if (empty($prefix_host) && !empty($item['plink'])) {
505 $parsed = parse_url($item['plink']);
506 if (!empty($parsed['host'])) {
507 $prefix_host = $parsed['host'];
511 if (empty($prefix_host) && !empty($item['uri'])) {
512 $parsed = parse_url($item['uri']);
513 if (!empty($parsed['host'])) {
514 $prefix_host = $parsed['host'];
518 // Is it in the format data@host.tld? - Used for mail contacts
519 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
520 $mailparts = explode('@', $item['author-link']);
521 $prefix_host = array_pop($mailparts);
525 if (!empty($item['plink'])) {
526 $guid = self::guidFromUri($item['plink'], $prefix_host);
527 } elseif (!empty($item['uri'])) {
528 $guid = self::guidFromUri($item['uri'], $prefix_host);
530 $guid = System::createUUID(hash('crc32', $prefix_host));
536 private static function contactId($item)
538 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
539 return $item['contact-id'];
540 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
541 return $item['contact-id'];
542 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
543 return $item['author-id'];
544 } elseif (!empty($item['contact-id'])) {
545 return $item['contact-id'];
547 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
548 if (!empty($contact_id)) {
552 return $item['author-id'];
556 * Write an item array into a spool file to be inserted later.
557 * This command is called whenever there are issues storing an item.
559 * @param array $item The item fields that are to be inserted
562 private static function spool($orig_item)
564 // Now we store the data in the spool directory
565 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
566 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
568 $spoolpath = get_spoolpath();
569 if ($spoolpath != "") {
570 $spool = $spoolpath . '/' . $file;
572 file_put_contents($spool, json_encode($orig_item));
573 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
578 * Check if the item array is a duplicate
581 * @return boolean is it a duplicate?
583 private static function isDuplicate(array $item)
585 // Checking if there is already an item with the same guid
586 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
587 if (Post::exists($condition)) {
588 Logger::notice('Found already existing item', [
589 'guid' => $item['guid'],
590 'uid' => $item['uid'],
591 'network' => $item['network']
596 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
597 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
598 if (Post::exists($condition)) {
599 Logger::notice('duplicated item with the same uri found.', $item);
603 // On Friendica and Diaspora the GUID is unique
604 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
605 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
606 if (Post::exists($condition)) {
607 Logger::notice('duplicated item with the same guid found.', $item);
610 } elseif ($item['network'] == Protocol::OSTATUS) {
611 // Check for an existing post with the same content. There seems to be a problem with OStatus.
612 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
613 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
614 if (Post::exists($condition)) {
615 Logger::notice('duplicated item with the same body found.', $item);
621 * Check for already added items.
622 * There is a timing issue here that sometimes creates double postings.
623 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
625 if (($item['uid'] == 0) && Post::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
626 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
634 * Check if the item array is valid
637 * @return boolean item is valid
639 public static function isValid(array $item)
641 // When there is no content then we don't post it
642 if ($item['body'] . $item['title'] == '') {
643 Logger::notice('No body, no title.');
647 if (!empty($item['uid'])) {
648 $owner = User::getOwnerDataById($item['uid'], false);
650 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
654 if ($owner['account_expired'] || $owner['account_removed']) {
655 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
660 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
661 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
665 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
666 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
670 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
671 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
675 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
676 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
680 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
684 if ($item['verb'] == Activity::FOLLOW) {
685 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
686 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
687 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
691 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
692 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
693 if (Post::exists($condition)) {
694 // It happens that we receive multiple follow requests by the same author - we only store one.
695 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
704 * Check if the item array is too old
707 * @return boolean item is too old
709 public static function isTooOld(array $item)
711 // check for create date and expire time
712 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
714 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
715 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
716 $expire_interval = $user['expire'];
719 if (($expire_interval > 0) && !empty($item['created'])) {
720 $expire_date = time() - ($expire_interval * 86400);
721 $created_date = strtotime($item['created']);
722 if ($created_date < $expire_date) {
723 Logger::notice('Item created before expiration interval.', [
724 'created' => date('c', $created_date),
725 'expired' => date('c', $expire_date),
736 * Return the id of the given item array if it has been stored before
739 * @return integer item id
741 private static function getDuplicateID(array $item)
743 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
744 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
745 trim($item['uri']), $item['uid'],
746 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
747 $existing = Post::selectFirst(['id', 'network'], $condition);
748 if (DBA::isResult($existing)) {
749 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
750 if ($item['uid'] != 0) {
751 Logger::notice('Item already existed for user', [
752 'uri' => $item['uri'],
753 'uid' => $item['uid'],
754 'network' => $item['network'],
755 'existing_id' => $existing["id"],
756 'existing_network' => $existing["network"]
760 return $existing["id"];
767 * Fetch top-level parent data for the given item array
770 * @return array item array with parent data
773 private static function getTopLevelParent(array $item)
775 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
776 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
777 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
778 $condition = ['uri' => $item['thr-parent'], 'uid' => $item['uid']];
779 $params = ['order' => ['id' => false]];
780 $parent = Post::selectFirst($fields, $condition, $params);
782 if (!DBA::isResult($parent)) {
783 Logger::notice('item parent was not found - ignoring item', ['thr-parent' => $item['thr-parent'], 'uid' => $item['uid']]);
787 if ($parent['uri'] == $parent['parent-uri']) {
791 $condition = ['uri' => $parent['parent-uri'],
792 'parent-uri' => $parent['parent-uri'],
793 'uid' => $parent['uid']];
794 $params = ['order' => ['id' => false]];
795 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
796 if (!DBA::isResult($toplevel_parent)) {
797 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri' => $parent['parent-uri'], 'uid' => $parent['uid']]);
801 return $toplevel_parent;
805 * Get the gravity for the given item array
808 * @return integer gravity
810 private static function getGravity(array $item)
812 $activity = DI::activity();
814 if (isset($item['gravity'])) {
815 return intval($item['gravity']);
816 } elseif ($item['parent-uri'] === $item['uri']) {
817 return GRAVITY_PARENT;
818 } elseif ($activity->match($item['verb'], Activity::POST)) {
819 return GRAVITY_COMMENT;
820 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
821 return GRAVITY_ACTIVITY;
822 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
823 return GRAVITY_ACTIVITY;
825 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
826 return GRAVITY_UNKNOWN; // Should not happen
829 public static function insert($item, $notify = false, $dontcache = false)
831 $structure = self::getItemFields();
835 $priority = PRIORITY_HIGH;
837 // If it is a posting where users should get notifications, then define it as wall posting
841 $item['network'] = Protocol::DFRN;
842 $item['protocol'] = Conversation::PARCEL_DIRECT;
843 $item['direction'] = Conversation::PUSH;
845 if (in_array($notify, PRIORITIES)) {
849 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
852 $uid = intval($item['uid']);
854 $item['guid'] = self::guid($item, $notify);
855 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
858 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
860 // Backward compatibility: parent-uri used to be the direct parent uri.
861 // If it is provided without a thr-parent, it probably is the old behavior.
862 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
863 $item['parent-uri'] = $item['thr-parent'];
865 // Store conversation data
866 $item = Conversation::insert($item);
869 * Do we already have this item?
870 * We have to check several networks since Friendica posts could be repeated
871 * via OStatus (maybe Diasporsa as well)
873 $duplicate = self::getDuplicateID($item);
878 // Additional duplicate checks
879 /// @todo Check why the first duplication check returns the item number and the second a 0
880 if (self::isDuplicate($item)) {
884 $item['wall'] = intval($item['wall'] ?? 0);
885 $item['extid'] = trim($item['extid'] ?? '');
886 $item['author-name'] = trim($item['author-name'] ?? '');
887 $item['author-link'] = trim($item['author-link'] ?? '');
888 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
889 $item['owner-name'] = trim($item['owner-name'] ?? '');
890 $item['owner-link'] = trim($item['owner-link'] ?? '');
891 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
892 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
893 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
894 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
895 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
896 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
897 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
898 $item['location'] = trim($item['location'] ?? '');
899 $item['coord'] = trim($item['coord'] ?? '');
900 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
901 $item['deleted'] = 0;
902 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
903 $item['verb'] = trim($item['verb'] ?? '');
904 $item['object-type'] = trim($item['object-type'] ?? '');
905 $item['object'] = trim($item['object'] ?? '');
906 $item['target-type'] = trim($item['target-type'] ?? '');
907 $item['target'] = trim($item['target'] ?? '');
908 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
909 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
910 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
911 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
912 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
913 $item['private'] = intval($item['private'] ?? self::PUBLIC);
914 $item['body'] = trim($item['body'] ?? '');
915 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
916 $item['app'] = trim($item['app'] ?? '');
917 $item['origin'] = intval($item['origin'] ?? 0);
918 $item['postopts'] = trim($item['postopts'] ?? '');
919 $item['resource-id'] = trim($item['resource-id'] ?? '');
920 $item['event-id'] = intval($item['event-id'] ?? 0);
921 $item['inform'] = trim($item['inform'] ?? '');
922 $item['file'] = trim($item['file'] ?? '');
924 // Items cannot be stored before they happen ...
925 if ($item['created'] > DateTimeFormat::utcNow()) {
926 $item['created'] = DateTimeFormat::utcNow();
929 // We haven't invented time travel by now.
930 if ($item['edited'] > DateTimeFormat::utcNow()) {
931 $item['edited'] = DateTimeFormat::utcNow();
934 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
936 $item['gravity'] = self::getGravity($item);
938 $item['language'] = self::getLanguage($item);
940 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
941 'photo' => $item['author-avatar'], 'network' => $item['network']];
942 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
944 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
945 'photo' => $item['owner-avatar'], 'network' => $item['network']];
946 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
948 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
949 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
950 $item['post-type'] = self::PT_FOLLOWER;
953 // Ensure that there is an avatar cache
954 Contact::checkAvatarCache($item['author-id']);
955 Contact::checkAvatarCache($item['owner-id']);
957 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
958 $item["contact-id"] = self::contactId($item);
960 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
961 self::isTooOld($item)) {
962 Logger::info('Item is too old', ['item' => $item]);
966 if (!self::isValid($item)) {
970 if ($item['gravity'] !== GRAVITY_PARENT) {
971 $toplevel_parent = self::getTopLevelParent($item);
972 if (empty($toplevel_parent)) {
976 // If the thread originated from this node, we check the permission against the thread starter
977 $condition = ['uri' => $toplevel_parent['uri'], 'wall' => true];
978 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
979 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
983 $parent_id = $toplevel_parent['id'];
984 $item['parent-uri'] = $toplevel_parent['uri'];
985 $item['deleted'] = $toplevel_parent['deleted'];
986 $item['allow_cid'] = $toplevel_parent['allow_cid'];
987 $item['allow_gid'] = $toplevel_parent['allow_gid'];
988 $item['deny_cid'] = $toplevel_parent['deny_cid'];
989 $item['deny_gid'] = $toplevel_parent['deny_gid'];
990 $parent_origin = $toplevel_parent['origin'];
992 // Don't federate received participation messages
993 if ($item['verb'] != Activity::FOLLOW) {
994 $item['wall'] = $toplevel_parent['wall'];
996 $item['wall'] = false;
1000 * If the parent is private, force privacy for the entire conversation
1001 * This differs from the above settings as it subtly allows comments from
1002 * email correspondents to be private even if the overall thread is not.
1004 if ($toplevel_parent['private']) {
1005 $item['private'] = $toplevel_parent['private'];
1009 * Edge case. We host a public forum that was originally posted to privately.
1010 * The original author commented, but as this is a comment, the permissions
1011 * weren't fixed up so it will still show the comment as private unless we fix it here.
1013 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
1014 $item['private'] = self::PUBLIC;
1017 // If its a post that originated here then tag the thread as "mention"
1018 if ($item['origin'] && $item['uid']) {
1019 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1020 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
1023 // Update the contact relations
1024 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1026 unset($item['parent_origin']);
1029 $parent_origin = $item['origin'];
1032 // We don't store the causer link, only the id
1033 unset($item['causer-link']);
1035 // We don't store these fields anymore in the item table
1036 unset($item['author-link']);
1037 unset($item['author-name']);
1038 unset($item['author-avatar']);
1039 unset($item['author-network']);
1041 unset($item['owner-link']);
1042 unset($item['owner-name']);
1043 unset($item['owner-avatar']);
1045 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1046 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1048 // Is this item available in the global items (with uid=0)?
1049 if ($item["uid"] == 0) {
1050 $item["global"] = true;
1052 // Set the global flag on all items if this was a global item entry
1053 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1055 $item["global"] = Post::exists(['uid' => 0, 'uri' => $item["uri"]]);
1059 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1060 $item["private"] = self::PRIVATE;
1064 $item['edit'] = false;
1065 $item['parent'] = $parent_id;
1066 Hook::callAll('post_local', $item);
1067 unset($item['edit']);
1069 Hook::callAll('post_remote', $item);
1072 // Set after the insert because top-level posts are self-referencing
1073 unset($item['parent']);
1075 if (!empty($item['cancel'])) {
1076 Logger::log('post cancelled by addon.');
1080 if (empty($item['vid']) && !empty($item['verb'])) {
1081 $item['vid'] = Verb::getID($item['verb']);
1084 // Creates or assigns the permission set
1085 $item['psid'] = PermissionSet::getIdFromACL(
1093 unset($item['allow_cid']);
1094 unset($item['allow_gid']);
1095 unset($item['deny_cid']);
1096 unset($item['deny_gid']);
1098 // This array field is used to trigger some automatic reactions
1099 // It is mainly used in the "post_local" hook.
1100 unset($item['api_source']);
1102 if ($item['verb'] == Activity::ANNOUNCE) {
1103 self::setOwnerforResharedItem($item);
1106 // Remove all media attachments from the body and store them in the post-media table
1107 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1108 $item['raw-body'] = self::setHashtags($item['raw-body']);
1110 // Check for hashtags in the body and repair or add hashtag links
1111 $item['body'] = self::setHashtags($item['body']);
1113 if (!empty($item['attach'])) {
1114 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1117 // Fill the cache field
1118 self::putInCache($item);
1120 if (stristr($item['verb'], Activity::POKE)) {
1121 $notify_type = Delivery::POKE;
1123 $notify_type = Delivery::POST;
1126 if (!in_array($item['verb'], self::ACTIVITIES)) {
1127 $item['icid'] = self::insertContent($item);
1128 if (empty($item['icid'])) {
1129 // This shouldn't happen
1130 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']]);
1135 $body = $item['body'];
1136 $verb = $item['verb'];
1138 // We just remove everything that is content
1139 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1140 unset($item[$field]);
1143 unset($item['activity']);
1145 // Filling item related side tables
1147 // Diaspora signature
1148 if (!empty($item['diaspora_signed_text'])) {
1149 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1152 unset($item['diaspora_signed_text']);
1154 // Attached file links
1155 if (!empty($item['file'])) {
1156 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1159 unset($item['file']);
1161 // Delivery relevant data
1162 $delivery_data = Post\DeliveryData::extractFields($item);
1163 unset($item['postopts']);
1164 unset($item['inform']);
1166 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1167 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1170 // Store tags from the body if this hadn't been handled previously in the protocol classes
1171 if (!Tag::existsForPost($item['uri-id'])) {
1172 Tag::storeFromBody($item['uri-id'], $body);
1175 if (Post\User::insert($item['uri-id'], $item['uid'], $item)) {
1176 // Remove all fields that aren't part of the item table
1177 foreach ($item as $field => $value) {
1178 if (!in_array($field, $structure['item'])) {
1179 unset($item[$field]);
1183 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1184 if (DBA::exists('item', $condition)) {
1185 Logger::notice('Item is already inserted - aborting', $condition);
1189 $result = DBA::insert('item', $item);
1191 // When the item was successfully stored we fetch the ID of the item.
1192 $current_post = DBA::lastInsertId();
1194 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1198 if (empty($current_post) || !DBA::isResult($result)) {
1199 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1200 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1201 self::spool($orig_item);
1205 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1207 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1208 $parent_id = $current_post;
1212 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1214 $item['id'] = $current_post;
1215 $item['parent'] = $parent_id;
1217 // update the commented timestamp on the parent
1218 if (DI::config()->get('system', 'like_no_comment')) {
1219 // Update when it is a comment
1220 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1222 // Update when it isn't a follow or tag verb
1223 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1226 if ($update_commented) {
1227 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1229 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1232 if ($item['gravity'] === GRAVITY_PARENT) {
1233 self::addThread($current_post);
1235 self::updateThread($parent_id);
1238 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1239 if (self::tagDeliver($item['uid'], $current_post)) {
1240 // Get the user information for the logging
1241 $user = User::getById($uid);
1243 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1248 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1249 if (DBA::isResult($posted_item)) {
1251 Hook::callAll('post_local_end', $posted_item);
1253 Hook::callAll('post_remote_end', $posted_item);
1256 Logger::log('new item not found in DB, id ' . $current_post);
1260 if ($item['gravity'] === GRAVITY_PARENT) {
1261 self::addShadow($current_post);
1263 self::addShadowPost($current_post);
1266 self::updateContact($item);
1268 UserItem::setNotification($current_post);
1270 check_user_notification($current_post);
1272 // Distribute items to users who subscribed to their tags
1273 self::distributeByTags($item);
1275 // Automatically reshare the item if the "remote_self" option is selected
1276 self::autoReshare($item);
1278 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1281 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1282 // Don't relay participation messages
1283 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1284 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1285 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1291 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1294 return $current_post;
1298 * Change the owner of a parent item if it had been shared by a forum
1300 * (public) forum posts in the new format consist of the regular post by the author
1301 * followed by an announce message sent from the forum account.
1302 * Changing the owner helps in grouping forum posts.
1304 * @param array $item
1307 private static function setOwnerforResharedItem(array $item)
1309 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1310 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1311 if (!DBA::isResult($parent)) {
1312 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1316 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
1317 if (!DBA::isResult($author)) {
1318 Logger::error('Author not found', ['id' => $item['author-id']]);
1322 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1323 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1324 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
1328 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1329 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1330 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1334 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1335 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1338 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1339 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1343 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1344 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]);
1348 * Distribute the given item to users who subscribed to their tags
1350 * @param array $item Processed item
1352 private static function distributeByTags(array $item)
1354 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1358 $uids = Tag::getUIDListByURIId($item['uri-id']);
1359 foreach ($uids as $uid) {
1360 if (Contact::isSharing($item['author-id'], $uid)) {
1363 $fields = ['post-type' => self::PT_TAG];
1366 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1367 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1372 * Insert a new item content entry
1374 * @param array $item The item fields that are to be inserted
1375 * @throws \Exception
1377 private static function insertContent(array $item)
1379 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1381 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1382 if (isset($item[$field])) {
1383 $fields[$field] = $item[$field];
1387 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
1388 if (DBA::isResult($item_content)) {
1389 $icid = $item_content['id'];
1390 Logger::info('Existing content found', ['icid' => $icid, 'uri' => $item['uri']]);
1394 DBA::replace('item-content', $fields);
1396 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
1397 if (DBA::isResult($item_content)) {
1398 $icid = $item_content['id'];
1399 Logger::notice('Content inserted', ['icid' => $icid, 'uri' => $item['uri']]);
1403 // This shouldn't happen.
1404 Logger::error("Content wasn't inserted", $item);
1409 * Update existing item content entries
1411 * @param array $item The item fields that are to be changed
1412 * @param array $condition The condition for finding the item content entries
1413 * @throws \Exception
1415 private static function updateContent($item, $condition)
1417 // We have to select only the fields from the "item-content" table
1419 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1420 if (isset($item[$field])) {
1421 $fields[$field] = $item[$field];
1425 if (empty($fields)) {
1429 DBA::update('item-content', $fields, $condition, true);
1430 Logger::info('Updated content', ['condition' => $condition]);
1434 * Distributes public items to the receivers
1436 * @param integer $itemid Item ID that should be added
1437 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1438 * @throws \Exception
1440 public static function distribute($itemid, $signed_text = '')
1442 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1443 $parent = Post::selectFirst(['owner-id'], $condition);
1444 if (!DBA::isResult($parent)) {
1448 // Only distribute public items from native networks
1449 $condition = ['id' => $itemid, 'uid' => 0,
1450 'network' => array_merge(Protocol::FEDERATED ,['']),
1451 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1452 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1453 if (!DBA::isResult($item)) {
1457 $origin = $item['origin'];
1461 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1462 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1463 if (!DBA::isResult($owner)) {
1467 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1468 $contacts = DBA::select('contact', ['uid'], $condition);
1469 while ($contact = DBA::fetch($contacts)) {
1470 if ($contact['uid'] == 0) {
1474 $users[$contact['uid']] = $contact['uid'];
1476 DBA::close($contacts);
1478 $condition = ['alias' => $owner['url'], '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);
1489 if (!empty($owner['alias'])) {
1490 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1491 $contacts = DBA::select('contact', ['uid'], $condition);
1492 while ($contact = DBA::fetch($contacts)) {
1493 if ($contact['uid'] == 0) {
1497 $users[$contact['uid']] = $contact['uid'];
1499 DBA::close($contacts);
1504 if ($item['uri'] != $item['parent-uri']) {
1505 $parents = Post::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1506 while ($parent = Post::fetch($parents)) {
1507 $users[$parent['uid']] = $parent['uid'];
1508 if ($parent['origin'] && !$origin) {
1509 $origin_uid = $parent['uid'];
1512 DBA::close($parents);
1515 foreach ($users as $uid) {
1516 if ($origin_uid == $uid) {
1517 $item['diaspora_signed_text'] = $signed_text;
1519 self::storeForUser($item, $uid);
1524 * Store a public item defined by their URI-ID for the given users
1526 * @param integer $uri_id URI-ID of the given item
1527 * @param integer $uid The user that will receive the item entry
1528 * @param array $fields Additional fields to be stored
1529 * @return integer stored item id
1531 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1533 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1534 if (!DBA::isResult($item)) {
1538 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1539 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']]);
1543 $item['post-type'] = self::PT_STORED;
1545 $item = array_merge($item, $fields);
1547 $stored = self::storeForUser($item, $uid);
1548 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1553 * Store a public item array for the given users
1555 * @param array $item The item entry that will be stored
1556 * @param integer $uid The user that will receive the item entry
1557 * @return integer stored item id
1558 * @throws \Exception
1560 private static function storeForUser(array $item, int $uid)
1562 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1563 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1568 unset($item['parent']);
1569 unset($item['mention']);
1570 unset($item['starred']);
1571 unset($item['unseen']);
1572 unset($item['psid']);
1574 $item['uid'] = $uid;
1575 $item['origin'] = 0;
1578 if ($item['gravity'] == GRAVITY_PARENT) {
1579 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1581 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1584 if (!empty($contact['id'])) {
1585 $item['contact-id'] = $contact['id'];
1587 // Shouldn't happen at all
1588 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1589 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1590 if (!DBA::isResult($self)) {
1591 // Shouldn't happen even less
1592 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1595 $item['contact-id'] = $self['id'];
1598 /// @todo Handling of "event-id"
1601 if ($item['gravity'] == GRAVITY_PARENT) {
1602 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1603 if (DBA::isResult($contact)) {
1604 $notify = self::isRemoteSelf($contact, $item);
1608 $distributed = self::insert($item, $notify, true);
1610 if (!$distributed) {
1611 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1613 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1615 return $distributed;
1619 * Add a shadow entry for a given item id that is a thread starter
1621 * We store every public item entry additionally with the user id "0".
1622 * This is used for the community page and for the search.
1623 * It is planned that in the future we will store public item entries only once.
1625 * @param integer $itemid Item ID that should be added
1626 * @throws \Exception
1628 private static function addShadow($itemid)
1630 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
1631 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1632 $item = Post::selectFirst($fields, $condition);
1634 if (!DBA::isResult($item)) {
1638 // is it already a copy?
1639 if (($itemid == 0) || ($item['uid'] == 0)) {
1643 // Is it a visible public post?
1644 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
1648 // is it an entry from a connector? Only add an entry for natively connected networks
1649 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1653 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
1657 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1659 if (DBA::isResult($item)) {
1660 // Preparing public shadow (removing user specific data)
1663 unset($item['parent']);
1664 unset($item['wall']);
1665 unset($item['mention']);
1666 unset($item['origin']);
1667 unset($item['starred']);
1668 unset($item['postopts']);
1669 unset($item['inform']);
1670 unset($item['post-type']);
1671 if ($item['uri'] == $item['parent-uri']) {
1672 $item['contact-id'] = $item['owner-id'];
1674 $item['contact-id'] = $item['author-id'];
1677 $public_shadow = self::insert($item, false, true);
1679 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1684 * Add a shadow entry for a given item id that is a comment
1686 * This function does the same like the function above - but for comments
1688 * @param integer $itemid Item ID that should be added
1689 * @throws \Exception
1691 private static function addShadowPost($itemid)
1693 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1694 if (!DBA::isResult($item)) {
1698 // Is it a toplevel post?
1699 if ($item['gravity'] == GRAVITY_PARENT) {
1700 self::addShadow($itemid);
1704 // Is this a shadow entry?
1705 if ($item['uid'] == 0) {
1709 // Is there a shadow parent?
1710 if (!Post::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
1714 // Is there already a shadow entry?
1715 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
1719 // Save "origin" and "parent" state
1720 $origin = $item['origin'];
1721 $parent = $item['parent'];
1723 // Preparing public shadow (removing user specific data)
1726 unset($item['parent']);
1727 unset($item['wall']);
1728 unset($item['mention']);
1729 unset($item['origin']);
1730 unset($item['starred']);
1731 unset($item['postopts']);
1732 unset($item['inform']);
1733 unset($item['post-type']);
1734 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1736 $public_shadow = self::insert($item, false, true);
1738 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
1740 // If this was a comment to a Diaspora post we don't get our comment back.
1741 // This means that we have to distribute the comment by ourselves.
1742 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1743 self::distribute($public_shadow);
1748 * Adds a language specification in a "language" element of given $arr.
1749 * Expects "body" element to exist in $arr.
1751 * @param array $item
1752 * @return string detected language
1753 * @throws \Text_LanguageDetect_Exception
1755 private static function getLanguage(array $item)
1757 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1761 // Convert attachments to links
1762 $naked_body = BBCode::removeAttachment($item['body']);
1763 if (empty($naked_body)) {
1767 // Remove links and pictures
1768 $naked_body = BBCode::removeLinks($naked_body);
1770 // Convert the title and the body to plain text
1771 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1773 // Remove possibly remaining links
1774 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1776 if (empty($naked_body)) {
1780 $ld = new Language(DI::l10n()->getAvailableLanguages());
1781 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1782 if (is_array($languages)) {
1783 return json_encode($languages);
1789 public static function getLanguageMessage(array $item)
1791 $iso639 = new \Matriphe\ISO639\ISO639;
1793 $used_languages = '';
1794 foreach (json_decode($item['language'], true) as $language => $reliability) {
1795 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1797 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1798 return $used_languages;
1802 * Creates an unique guid out of a given uri
1804 * @param string $uri uri of an item entry
1805 * @param string $host hostname for the GUID prefix
1806 * @return string unique guid
1808 public static function guidFromUri($uri, $host)
1810 // Our regular guid routine is using this kind of prefix as well
1811 // We have to avoid that different routines could accidentally create the same value
1812 $parsed = parse_url($uri);
1814 // We use a hash of the hostname as prefix for the guid
1815 $guid_prefix = hash("crc32", $host);
1817 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1818 unset($parsed["scheme"]);
1820 // Glue it together to be able to make a hash from it
1821 $host_id = implode("/", $parsed);
1823 // We could use any hash algorithm since it isn't a security issue
1824 $host_hash = hash("ripemd128", $host_id);
1826 return $guid_prefix.$host_hash;
1830 * generate an unique URI
1832 * @param integer $uid User id
1833 * @param string $guid An existing GUID (Otherwise it will be generated)
1836 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1838 public static function newURI($uid, $guid = "")
1841 $guid = System::createUUID();
1844 return DI::baseUrl()->get() . '/objects/' . $guid;
1848 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1850 * This can be used to filter for inactive contacts.
1851 * Only do this for public postings to avoid privacy problems, since poco data is public.
1852 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1854 * @param array $arr Contains the just posted item record
1855 * @throws \Exception
1857 private static function updateContact($arr)
1859 // Unarchive the author
1860 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1861 if (DBA::isResult($contact)) {
1862 Contact::unmarkForArchival($contact);
1865 // Unarchive the contact if it's not our own contact
1866 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1867 if (DBA::isResult($contact)) {
1868 Contact::unmarkForArchival($contact);
1871 /// @todo On private posts we could obfuscate the date
1872 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1874 // Is it a forum? Then we don't care about the rules from above
1875 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
1876 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1882 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1883 // So we have to ensure to only update the last item when it had been our own post,
1884 // or it had been done by a "regular" contact.
1885 if (!empty($arr['wall'])) {
1886 $condition = ['id' => $arr['contact-id']];
1888 $condition = ['id' => $arr['contact-id'], 'self' => false];
1890 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1892 // Now do the same for the system wide contacts with uid=0
1893 if ($arr['private'] != self::PRIVATE) {
1894 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1895 ['id' => $arr['owner-id']]);
1897 if ($arr['owner-id'] != $arr['author-id']) {
1898 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1899 ['id' => $arr['author-id']]);
1904 public static function setHashtags($body)
1906 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
1907 $tags = BBCode::getTags($body);
1910 if (!count($tags)) {
1914 // This sorting is important when there are hashtags that are part of other hashtags
1915 // Otherwise there could be problems with hashtags like #test and #test2
1916 // Because of this we are sorting from the longest to the shortest tag.
1917 usort($tags, function ($a, $b) {
1918 return strlen($b) <=> strlen($a);
1921 $URLSearchString = "^\[\]";
1923 // All hashtags should point to the home server if "local_tags" is activated
1924 if (DI::config()->get('system', 'local_tags')) {
1925 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1926 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1929 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1930 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1932 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1935 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1937 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1940 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1942 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1945 // Repair recursive urls
1946 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1949 foreach ($tags as $tag) {
1950 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1954 $basetag = str_replace('_', ' ', substr($tag, 1));
1955 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1957 $body = str_replace($tag, $newtag, $body);
1960 // Convert back the masked hashtags
1961 $body = str_replace("#", "#", $body);
1970 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1973 * @param int $item_id
1974 * @return boolean true if item was deleted, else false
1975 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1976 * @throws \ImagickException
1978 private static function tagDeliver($uid, $item_id)
1982 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1983 if (!DBA::isResult($user)) {
1987 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1988 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1990 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1991 if (!DBA::isResult($item)) {
1995 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1998 * Diaspora uses their own hardwired link URL in @-tags
1999 * instead of the one we supply with webfinger
2001 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2003 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2005 foreach ($matches as $mtch) {
2006 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2008 Logger::log('mention found: ' . $mtch[2]);
2014 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2015 foreach ($tags as $tag) {
2016 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
2018 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
2024 if (($community_page || $prvgroup) &&
2025 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2026 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2027 DBA::delete('item', ['id' => $item_id]);
2033 $arr = ['item' => $item, 'user' => $user];
2035 Hook::callAll('tagged', $arr);
2037 if (!$community_page && !$prvgroup) {
2042 * tgroup delivery - setup a second delivery chain
2043 * prevent delivery looping - only proceed
2044 * if the message originated elsewhere and is a top-level post
2046 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2050 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2051 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2052 if (!DBA::isResult($self)) {
2056 $owner_id = Contact::getIdForURL($self['url']);
2058 // also reset all the privacy bits to the forum default permissions
2060 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2062 $psid = PermissionSet::getIdFromACL(
2070 $forum_mode = ($prvgroup ? 2 : 1);
2072 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2073 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2074 self::update($fields, ['id' => $item_id]);
2076 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2078 self::performActivity($item_id, 'announce', $uid);
2084 * Automatically reshare the item if the "remote_self" option is selected
2086 * @param array $item
2089 private static function autoReshare(array $item)
2091 if ($item['gravity'] != GRAVITY_PARENT) {
2095 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2099 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2103 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2105 self::performActivity($item['id'], 'announce', $item['uid']);
2108 public static function isRemoteSelf($contact, &$datarray)
2110 if (!$contact['remote_self']) {
2114 // Prevent the forwarding of posts that are forwarded
2115 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2116 Logger::info('Already forwarded');
2120 // Prevent to forward already forwarded posts
2121 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2122 Logger::info('Already forwarded (second test)');
2126 // Only forward posts
2127 if ($datarray["verb"] != Activity::POST) {
2128 Logger::info('No post');
2132 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2133 Logger::info('Not public');
2137 $datarray2 = $datarray;
2138 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2139 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2140 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2141 ['uid' => $contact['uid'], 'self' => true]);
2142 if (DBA::isResult($self)) {
2143 $datarray['contact-id'] = $self["id"];
2145 $datarray['owner-name'] = $self["name"];
2146 $datarray['owner-link'] = $self["url"];
2147 $datarray['owner-avatar'] = $self["thumb"];
2149 $datarray['author-name'] = $datarray['owner-name'];
2150 $datarray['author-link'] = $datarray['owner-link'];
2151 $datarray['author-avatar'] = $datarray['owner-avatar'];
2153 unset($datarray['edited']);
2155 unset($datarray['network']);
2156 unset($datarray['owner-id']);
2157 unset($datarray['author-id']);
2160 if ($contact['network'] != Protocol::FEED) {
2161 $old_uri_id = $datarray["uri-id"] ?? 0;
2162 $datarray["guid"] = System::createUUID();
2163 unset($datarray["plink"]);
2164 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2165 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2166 $datarray["extid"] = Protocol::DFRN;
2167 $urlpart = parse_url($datarray2['author-link']);
2168 $datarray["app"] = $urlpart["host"];
2169 if (!empty($old_uri_id)) {
2170 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2173 unset($datarray["parent-uri"]);
2174 unset($datarray["thr-parent"]);
2176 $datarray['private'] = self::PUBLIC;
2180 if ($contact['network'] != Protocol::FEED) {
2181 // Store the original post
2182 $result = self::insert($datarray2);
2183 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2185 $datarray["app"] = "Feed";
2189 // Trigger automatic reactions for addons
2190 $datarray['api_source'] = true;
2192 // We have to tell the hooks who we are - this really should be improved
2193 $_SESSION['authenticated'] = true;
2194 $_SESSION['uid'] = $contact['uid'];
2196 return (bool)$result;
2203 * @param array $item
2206 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2207 * @throws \ImagickException
2209 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2211 if (DI::config()->get('system', 'disable_embedded')) {
2215 Logger::info('check for photos');
2216 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2221 $img_start = strpos($orig_body, '[img');
2222 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2223 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2225 while (($img_st_close !== false) && ($img_len !== false)) {
2226 $img_st_close++; // make it point to AFTER the closing bracket
2227 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2229 Logger::info('found photo', ['image' => $image]);
2231 if (stristr($image, $site . '/photo/')) {
2232 // Only embed locally hosted photos
2234 $i = basename($image);
2235 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2236 $x = strpos($i, '-');
2239 $res = substr($i, $x + 1);
2240 $i = substr($i, 0, $x);
2241 $photo = Photo::getPhotoForUser($uid, $i, $res);
2242 if (DBA::isResult($photo)) {
2244 * Check to see if we should replace this photo link with an embedded image
2245 * 1. No need to do so if the photo is public
2246 * 2. If there's a contact-id provided, see if they're in the access list
2247 * for the photo. If so, embed it.
2248 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2249 * permissions, regardless of order but first check to see if they're an exact
2250 * match to save some processing overhead.
2252 if (self::hasPermissions($photo)) {
2254 $recips = self::enumeratePermissions($photo);
2255 if (in_array($cid, $recips)) {
2259 if (self::samePermissions($uid, $item, $photo)) {
2265 $photo_img = Photo::getImageForPhoto($photo);
2266 // If a custom width and height were specified, apply before embedding
2267 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2268 Logger::info('scaling photo');
2270 $width = intval($match[1]);
2271 $height = intval($match[2]);
2273 $photo_img->scaleDown(max($width, $height));
2276 $data = $photo_img->asString();
2277 $type = $photo_img->getType();
2279 Logger::info('replacing photo');
2280 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2281 Logger::debug('replaced', ['image' => $image]);
2287 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2288 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2289 if ($orig_body === false) {
2293 $img_start = strpos($orig_body, '[img');
2294 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2295 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2298 $new_body = $new_body . $orig_body;
2303 private static function hasPermissions($obj)
2305 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2306 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2309 private static function samePermissions($uid, $obj1, $obj2)
2311 // first part is easy. Check that these are exactly the same.
2312 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2313 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2314 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2315 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2319 // This is harder. Parse all the permissions and compare the resulting set.
2320 $recipients1 = self::enumeratePermissions($obj1);
2321 $recipients2 = self::enumeratePermissions($obj2);
2325 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2326 return ($recipients1 == $recipients2);
2330 * Returns an array of contact-ids that are allowed to see this object
2332 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2333 * @param bool $check_dead Prunes unavailable contacts from the result
2335 * @throws \Exception
2337 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2339 $aclFormater = DI::aclFormatter();
2341 $allow_people = $aclFormater->expand($obj['allow_cid']);
2342 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2343 $deny_people = $aclFormater->expand($obj['deny_cid']);
2344 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2345 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2346 $deny = array_unique(array_merge($deny_people, $deny_groups));
2347 $recipients = array_diff($recipients, $deny);
2351 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2353 if (!$uid || ($days < 1)) {
2357 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2358 $uid, GRAVITY_PARENT];
2361 * $expire_network_only = save your own wall posts
2362 * and just expire conversations started by others
2364 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2366 if ($expire_network_only) {
2367 $condition[0] .= " AND NOT `wall`";
2370 if ($network != "") {
2371 $condition[0] .= " AND `network` = ?";
2372 $condition[] = $network;
2375 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2376 $condition[] = $days;
2378 $items = Post::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2380 if (!DBA::isResult($items)) {
2384 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2386 // Forcing expiring of items - but not notes and marked items
2388 $expire_items = true;
2391 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2392 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2393 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2397 $priority = DI::config()->get('system', 'expire-notify-priority');
2399 while ($item = Post::fetch($items)) {
2400 // don't expire filed items
2402 if (strpos($item['file'], '[') !== false) {
2406 // Only expire posts, not photos and photo comments
2408 if (!$expire_photos && strlen($item['resource-id'])) {
2410 } elseif (!$expire_starred && intval($item['starred'])) {
2412 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
2414 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2418 self::markForDeletionById($item['id'], $priority);
2423 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2426 public static function firstPostDate($uid, $wall = false)
2428 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2429 $params = ['order' => ['received' => false]];
2430 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
2431 if (DBA::isResult($thread)) {
2432 return substr(DateTimeFormat::local($thread['received']), 0, 10);
2438 * add/remove activity to an item
2440 * Toggle activities as like,dislike,attend of an item
2442 * @param int $item_id
2443 * @param string $verb
2444 * Activity verb. One of
2445 * like, unlike, dislike, undislike, attendyes, unattendyes,
2446 * attendno, unattendno, attendmaybe, unattendmaybe,
2447 * announce, unannouce
2449 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2450 * @throws \ImagickException
2451 * @hook 'post_local_end'
2453 * 'post_id' => ID of posted item
2455 public static function performActivity(int $item_id, string $verb, int $uid)
2461 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2463 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2464 if (!DBA::isResult($item)) {
2465 Logger::log('like: unknown item ' . $item_id);
2469 $item_uri = $item['uri'];
2471 if (!in_array($item['uid'], [0, $uid])) {
2475 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2476 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2477 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2478 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2479 if (!DBA::isResult($item)) {
2480 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
2486 // Retrieves the local post owner
2487 $owner = User::getOwnerDataById($uid);
2488 if (empty($owner)) {
2489 Logger::info('Empty owner for user', ['uid' => $uid]);
2493 // Retrieve the current logged in user's public contact
2494 $author_id = Contact::getIdForURL($owner['url']);
2495 if (empty($author_id)) {
2496 Logger::info('Empty public contact');
2504 $activity = Activity::LIKE;
2508 $activity = Activity::DISLIKE;
2512 $activity = Activity::ATTEND;
2516 $activity = Activity::ATTENDNO;
2519 case 'unattendmaybe':
2520 $activity = Activity::ATTENDMAYBE;
2524 $activity = Activity::FOLLOW;
2528 $activity = Activity::ANNOUNCE;
2531 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2535 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2537 // Enable activity toggling instead of on/off
2538 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2540 // Look for an existing verb row
2541 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2542 if ($event_verb_flag) {
2543 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2545 // Translate to the index based activity index
2547 foreach ($verbs as $verb) {
2548 $vids[] = Verb::getID($verb);
2551 $vids = Verb::getID($activity);
2554 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2555 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
2556 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2558 if (DBA::isResult($like_item)) {
2560 * Truth table for existing activities
2562 * | Inputs || Outputs |
2563 * |----------------------------||-------------------|
2564 * | Mode | Event | Same verb || Delete? | Return? |
2565 * |--------|-------|-----------||---------|---------|
2566 * | create | Yes | Yes || No | Yes |
2567 * | create | Yes | No || Yes | No |
2568 * | create | No | Yes || No | Yes |
2569 * | create | No | No || N/A†|
2570 * | delete | Yes | Yes || Yes | N/A‡ |
2571 * | delete | Yes | No || No | N/A‡ |
2572 * | delete | No | Yes || Yes | N/A‡ |
2573 * | delete | No | No || N/A†|
2574 * |--------|-------|-----------||---------|---------|
2575 * | A | B | C || A xor C | !B or C |
2577 * †Can't happen: It's impossible to find an existing non-event activity without
2578 * the same verb because we are only looking for this single verb.
2580 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2582 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2583 self::markForDeletionById($like_item['id']);
2586 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2591 // No need to go further if we aren't creating anything
2592 if ($mode == 'delete') {
2596 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2599 'guid' => System::createUUID(),
2600 'uri' => self::newURI($item['uid']),
2601 'uid' => $item['uid'],
2602 'contact-id' => $owner['id'],
2603 'wall' => $item['wall'],
2605 'network' => Protocol::DFRN,
2606 'protocol' => Conversation::PARCEL_DIRECT,
2607 'direction' => Conversation::PUSH,
2608 'gravity' => GRAVITY_ACTIVITY,
2609 'parent' => $item['id'],
2610 'thr-parent' => $item['uri'],
2611 'owner-id' => $author_id,
2612 'author-id' => $author_id,
2613 'body' => $activity,
2614 'verb' => $activity,
2615 'object-type' => $objtype,
2616 'allow_cid' => $item['allow_cid'],
2617 'allow_gid' => $item['allow_gid'],
2618 'deny_cid' => $item['deny_cid'],
2619 'deny_gid' => $item['deny_gid'],
2624 $signed = Diaspora::createLikeSignature($uid, $new_item);
2625 if (!empty($signed)) {
2626 $new_item['diaspora_signed_text'] = json_encode($signed);
2629 $new_item_id = self::insert($new_item);
2631 // If the parent item isn't visible then set it to visible
2632 if (!$item['visible']) {
2633 self::update(['visible' => true], ['id' => $item['id']]);
2636 $new_item['id'] = $new_item_id;
2638 Hook::callAll('post_local_end', $new_item);
2643 private static function addThread($itemid, $onlyshadow = false)
2645 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2646 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
2647 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2648 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2649 $item = Post::selectFirst($fields, $condition);
2651 if (!DBA::isResult($item)) {
2655 $item['iid'] = $itemid;
2658 $result = DBA::replace('thread', $item);
2660 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
2664 private static function updateThread($itemid, $setmention = false)
2666 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
2667 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
2668 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2670 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
2671 if (!DBA::isResult($item)) {
2676 $item["mention"] = 1;
2681 foreach ($item as $field => $data) {
2682 if (!in_array($field, ["guid"])) {
2683 $fields[$field] = $data;
2687 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
2689 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
2692 private static function deleteThread($itemid, $itemuri = "")
2694 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2695 if (!DBA::isResult($item)) {
2696 Logger::info('No thread found', ['id' => $itemid]);
2700 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
2702 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
2704 if ($itemuri != "") {
2705 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2706 if (!Post::exists($condition)) {
2707 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2708 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
2714 * Fetch the SQL condition for the given user id
2716 * @param integer $owner_id User ID for which the permissions should be fetched
2717 * @return array condition
2719 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2721 $local_user = local_user();
2722 $remote_user = Session::getRemoteContactID($owner_id);
2724 // default permissions - anonymous user
2725 $condition = ["`private` != ?", self::PRIVATE];
2727 if ($local_user && ($local_user == $owner_id)) {
2728 // Profile owner - everything is visible
2730 } elseif ($remote_user) {
2731 // Authenticated visitor - fetch the matching permissionsets
2732 $set = PermissionSet::get($owner_id, $remote_user);
2734 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2735 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2736 self::PRIVATE, self::PRIVATE];
2737 $condition = array_merge($condition, $set);
2745 * Get a permission SQL string for the given user
2747 * @param int $owner_id
2748 * @param string $table
2751 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2753 $local_user = local_user();
2754 $remote_user = Session::getRemoteContactID($owner_id);
2756 if (!empty($table)) {
2757 $table = DBA::quoteIdentifier($table) . '.';
2761 * Construct permissions
2763 * default permissions - anonymous user
2765 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2767 // Profile owner - everything is visible
2768 if ($local_user && ($local_user == $owner_id)) {
2770 } elseif ($remote_user) {
2772 * Authenticated visitor. Unless pre-verified,
2773 * check that the contact belongs to this $owner_id
2774 * and load the groups the visitor belongs to.
2775 * If pre-verified, the caller is expected to have already
2776 * done this and passed the groups into this function.
2778 $set = PermissionSet::get($owner_id, $remote_user);
2781 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2786 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2793 * get translated item type
2798 public static function postType($item)
2800 if (!empty($item['event-id'])) {
2801 return DI::l10n()->t('event');
2802 } elseif (!empty($item['resource-id'])) {
2803 return DI::l10n()->t('photo');
2804 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2805 return DI::l10n()->t('activity');
2806 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2807 return DI::l10n()->t('comment');
2810 return DI::l10n()->t('post');
2814 * Sets the "rendered-html" field of the provided item
2816 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2818 * @param array $item
2819 * @param bool $update
2821 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2822 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2824 public static function putInCache(&$item, $update = false)
2826 // Save original body to prevent addons to modify it
2827 $body = $item['body'];
2829 $rendered_hash = $item['rendered-hash'] ?? '';
2830 $rendered_html = $item['rendered-html'] ?? '';
2832 if ($rendered_hash == ''
2833 || $rendered_html == ''
2834 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2835 || DI::config()->get('system', 'ignore_cache')
2837 self::addRedirToImageTags($item);
2839 $item['rendered-html'] = BBCode::convert($item['body']);
2840 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2842 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2843 Hook::callAll('put_item_in_cache', $hook_data);
2844 $item['rendered-html'] = $hook_data['rendered-html'];
2845 $item['rendered-hash'] = $hook_data['rendered-hash'];
2848 // Force an update if the generated values differ from the existing ones
2849 if ($rendered_hash != $item['rendered-hash']) {
2853 // Only compare the HTML when we forcefully ignore the cache
2854 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
2858 if ($update && !empty($item['id'])) {
2861 'rendered-html' => $item['rendered-html'],
2862 'rendered-hash' => $item['rendered-hash']
2864 ['id' => $item['id']]
2869 $item['body'] = $body;
2873 * Find any non-embedded images in private items and add redir links to them
2875 * @param array &$item The field array of an item row
2877 private static function addRedirToImageTags(array &$item)
2882 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2884 foreach ($matches as $mtch) {
2885 if (strpos($mtch[1], '/redir') !== false) {
2889 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2890 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2891 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2898 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2899 * If attach is true, also add icons for item attachments.
2901 * @param array $item
2902 * @param boolean $attach
2903 * @param boolean $is_preview
2904 * @return string item body html
2905 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2906 * @throws \ImagickException
2907 * @hook prepare_body_init item array before any work
2908 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2909 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2910 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2912 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2915 Hook::callAll('prepare_body_init', $item);
2917 // In order to provide theme developers more possibilities, event items
2918 // are treated differently.
2919 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2920 $ev = Event::getItemHTML($item);
2924 $tags = Tag::populateFromItem($item);
2926 $item['tags'] = $tags['tags'];
2927 $item['hashtags'] = $tags['hashtags'];
2928 $item['mentions'] = $tags['mentions'];
2930 // Compile eventual content filter reasons
2931 $filter_reasons = [];
2932 if (!$is_preview && public_contact() != $item['author-id']) {
2933 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2934 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2939 'filter_reasons' => $filter_reasons
2941 Hook::callAll('prepare_body_content_filter', $hook_data);
2942 $filter_reasons = $hook_data['filter_reasons'];
2946 // Update the cached values if there is no "zrl=..." on the links.
2947 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
2949 // Or update it if the current viewer is the intented viewer.
2950 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
2954 self::putInCache($item, $update);
2955 $s = $item["rendered-html"];
2960 'preview' => $is_preview,
2961 'filter_reasons' => $filter_reasons
2963 Hook::callAll('prepare_body', $hook_data);
2964 $s = $hook_data['html'];
2968 // Replace the blockquotes with quotes that are used in mails.
2969 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2970 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2976 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
2977 $mime = $attachment['mimetype'];
2979 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
2981 if (strpos($mime, 'video') !== false) {
2984 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
2987 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2989 'id' => $item['author-id'],
2990 'title' => DI::l10n()->t('View Video'),
2997 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
2999 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3000 $filesubtype = str_replace('.', '-', $filesubtype);
3003 $filesubtype = 'unkn';
3006 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3007 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
3009 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3010 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3014 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3018 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3019 $x = Map::byCoordinates(trim($item['coord']));
3021 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3025 // Replace friendica image url size with theme preference.
3026 if (!empty($a->theme_info['item_image_size'])) {
3027 $ps = $a->theme_info['item_image_size'];
3028 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3031 $s = HTML::applyContentFilter($s, $filter_reasons);
3033 $hook_data = ['item' => $item, 'html' => $s];
3034 Hook::callAll('prepare_body_final', $hook_data);
3036 return $hook_data['html'];
3040 * get private link for item
3042 * @param array $item
3043 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3044 * @throws \Exception
3046 public static function getPlink($item)
3050 'href' => "display/" . $item['guid'],
3051 'orig' => "display/" . $item['guid'],
3052 'title' => DI::l10n()->t('View on separate page'),
3053 'orig_title' => DI::l10n()->t('view on separate page'),
3056 if (!empty($item['plink'])) {
3057 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3058 $ret["title"] = DI::l10n()->t('link to source');
3060 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3062 'href' => $item['plink'],
3063 'orig' => $item['plink'],
3064 'title' => DI::l10n()->t('link to source'),
3074 * Is the given item array a post that is sent as starting post to a forum?
3076 * @param array $item
3077 * @param array $owner
3079 * @return boolean "true" when it is a forum post
3081 public static function isForumPost(array $item, array $owner = [])
3083 if (empty($owner)) {
3084 $owner = User::getOwnerDataById($item['uid']);
3085 if (empty($owner)) {
3090 if (($item['author-id'] == $item['owner-id']) ||
3091 ($owner['id'] == $item['contact-id']) ||
3092 ($item['uri'] != $item['parent-uri']) ||
3097 return Contact::isForum($item['contact-id']);
3101 * Search item id for given URI or plink
3103 * @param string $uri
3104 * @param integer $uid
3106 * @return integer item id
3108 public static function searchByLink($uri, $uid = 0)
3110 $ssl_uri = str_replace('http://', 'https://', $uri);
3111 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3113 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3114 if (DBA::isResult($item)) {
3118 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3119 if (!DBA::isResult($itemcontent)) {
3123 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3124 if (!DBA::isResult($itemuri)) {
3128 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3129 if (DBA::isResult($item)) {
3137 * Return the URI for a link to the post
3139 * @param string $uri URI or link to post
3141 * @return string URI
3143 public static function getURIByLink(string $uri)
3145 $ssl_uri = str_replace('http://', 'https://', $uri);
3146 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3148 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3149 if (DBA::isResult($item)) {
3150 return $item['uri'];
3153 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3154 if (!DBA::isResult($itemcontent)) {
3158 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3159 if (DBA::isResult($itemuri)) {
3160 return $itemuri['uri'];
3167 * Fetches item for given URI or plink
3169 * @param string $uri
3170 * @param integer $uid
3172 * @return integer item id
3174 public static function fetchByLink(string $uri, int $uid = 0)
3176 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3177 $item_id = self::searchByLink($uri, $uid);
3178 if (!empty($item_id)) {
3179 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3183 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3184 $item_id = self::searchByLink($fetched_uri, $uid);
3186 $item_id = Diaspora::fetchByURL($uri);
3189 if (!empty($item_id)) {
3190 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3194 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3199 * Return share data from an item array (if the item is shared item)
3200 * We are providing the complete Item array, because at some time in the future
3201 * we hopefully will define these values not in the body anymore but in some item fields.
3202 * This function is meant to replace all similar functions in the system.
3204 * @param array $item
3206 * @return array with share information
3208 public static function getShareArray($item)
3210 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3214 $attribute_string = $matches[2];
3215 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3216 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3217 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3218 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3225 * Fetch item information for shared items from the original items and adds it.
3227 * @param array $item
3229 * @return array item array with data from the original item
3231 public static function addShareDataFromOriginal(array $item)
3233 $shared = self::getShareArray($item);
3234 if (empty($shared)) {
3238 // Real reshares always have got a GUID.
3239 if (empty($shared['guid'])) {
3243 $uid = $item['uid'] ?? 0;
3245 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3246 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3247 if (!DBA::isResult($shared_item)) {
3248 if (empty($shared['link'])) {
3252 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3253 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3255 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3259 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3260 if (!DBA::isResult($shared_item)) {
3263 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3265 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3268 if (!empty($shared_item['title'])) {
3269 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3270 unset($shared_item['title']);
3272 $body = $shared_item['body'];
3275 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3276 unset($shared_item['body']);
3278 return array_merge($item, $shared_item);
3282 * Check a prospective item array against user-level permissions
3284 * @param array $item Expected keys: uri, gravity, and
3285 * author-link if is author-id is set,
3286 * owner-link if is owner-id is set,
3287 * causer-link if is causer-id is set.
3288 * @param int $user_id Local user ID
3290 * @throws \Exception
3292 protected static function isAllowedByUser(array $item, int $user_id)
3294 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3295 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3299 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3300 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3304 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3305 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3306 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3310 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3311 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);