3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\Database;
35 use Friendica\Database\DBA;
36 use Friendica\Database\DBStructure;
38 use Friendica\Model\Post;
39 use Friendica\Protocol\Activity;
40 use Friendica\Protocol\ActivityPub;
41 use Friendica\Protocol\Diaspora;
42 use Friendica\Util\DateTimeFormat;
43 use Friendica\Util\Map;
44 use Friendica\Util\Network;
45 use Friendica\Util\Strings;
46 use Friendica\Worker\Delivery;
47 use LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
65 const PT_FOLLOWER = 69;
66 const PT_ANNOUNCEMENT = 70;
67 const PT_COMMENT = 71;
71 const PT_FETCHED = 75;
72 const PT_PERSONAL_NOTE = 128;
74 // Field list that is used to display the items
75 const DISPLAY_FIELDLIST = [
76 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
77 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
78 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
79 'wall', 'private', 'starred', 'origin', 'title', 'body', 'language',
80 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
81 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
82 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
83 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
84 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
85 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
86 'writable', 'self', 'cid', 'alias',
87 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
88 'event-summary', 'event-desc', 'event-location', 'event-type',
89 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
90 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
93 // Field list that is used to deliver items via the protocols
94 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
95 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
96 'private', 'title', 'body', 'location', 'coord', 'app',
97 'deleted', 'extid', 'post-type', 'gravity',
98 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
99 'author-id', 'author-link', 'owner-link', 'contact-uid',
100 'signed_text', 'network'];
102 // Field list for "post-content" table that is mixed with the item table
103 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
104 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
105 'object-type', 'object', 'target-type', 'target', 'plink'];
107 // Field list for "post-content" table that is not present in the "item" table
108 const CONTENT_FIELDLIST = ['language', 'raw-body'];
110 // All fields in the item table
111 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
112 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
113 'contact-id', 'type', 'wall', 'gravity', 'extid', 'psid',
114 'created', 'edited', 'commented', 'received', 'changed', 'verb',
115 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
116 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
117 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
118 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
119 'title', 'content-warning', 'body', 'location', 'coord', 'app',
120 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
121 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
122 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
124 // List of all verbs that don't need additional content data.
125 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
127 Activity::LIKE, Activity::DISLIKE,
128 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
136 const TABLES = ['item', 'user-item', 'post-content', 'post-delivery-data', 'diaspora-interaction'];
138 private static function getItemFields()
140 $definition = DBStructure::definition('', false);
143 foreach (self::TABLES as $table) {
144 $postfields[$table] = array_keys($definition[$table]['fields']);
151 * Set the pinned state of an item
153 * @param integer $iid Item ID
154 * @param integer $uid User ID
155 * @param boolean $pinned Pinned state
157 public static function setPinned(int $iid, int $uid, bool $pinned)
159 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
163 * Get the pinned state
165 * @param integer $iid Item ID
166 * @param integer $uid User ID
168 * @return boolean pinned state
170 public static function getPinned(int $iid, int $uid)
172 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
173 if (!DBA::isResult($useritem)) {
176 return (bool)$useritem['pinned'];
180 * Update existing item entries
182 * @param array $fields The fields that are to be changed
183 * @param array $condition The condition for finding the item entries
185 * In the future we may have to change permissions as well.
186 * Then we had to add the user id as third parameter.
188 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
190 * @return integer|boolean number of affected rows - or "false" if there was an error
191 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
193 public static function update(array $fields, array $condition)
195 if (empty($condition) || empty($fields)) {
199 if (!empty($fields['verb'])) {
200 $fields['vid'] = Verb::getID($fields['verb']);
203 $rows = Post::update($fields, $condition);
204 if (is_bool($rows)) {
208 // We only need to call the line by line update for specific fields
209 if (empty($fields['body']) && empty($fields['file']) &&
210 empty($fields['attach']) && empty($fields['edited'])) {
214 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
216 $items = Post::select(['id', 'origin', 'uri-id', 'uid'], $condition);
220 while ($item = DBA::fetch($items)) {
221 if (!empty($fields['body'])) {
222 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
224 // Remove all media attachments from the body and store them in the post-media table
225 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
226 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
229 if (!empty($fields['file'])) {
230 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
233 if (!empty($fields['attach'])) {
234 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
237 // We only need to notfiy others when it is an original entry from us.
238 // Only call the notifier when the item has some content relevant change.
239 if ($item['origin'] && in_array('edited', array_keys($fields))) {
240 $notify_items[] = $item['id'];
246 foreach ($notify_items as $notify_item) {
247 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
254 * Delete an item and notify others about it - if it was ours
256 * @param array $condition The condition for finding the item entries
257 * @param integer $priority Priority for the notification
258 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
260 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
262 $items = Post::select(['id'], $condition);
263 while ($item = Post::fetch($items)) {
264 self::markForDeletionById($item['id'], $priority);
270 * Delete an item for an user and notify others about it - if it was ours
272 * @param array $condition The condition for finding the item entries
273 * @param integer $uid User who wants to delete this item
274 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
276 public static function deleteForUser($condition, $uid)
282 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
283 while ($item = Post::fetch($items)) {
284 if (in_array($item['uid'], [$uid, 0])) {
285 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
288 // "Deleting" global items just means hiding them
289 if ($item['uid'] == 0) {
290 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
291 } elseif ($item['uid'] == $uid) {
292 self::markForDeletionById($item['id'], PRIORITY_HIGH);
294 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
301 * Mark an item for deletion, delete related data and notify others about it - if it was ours
303 * @param integer $item_id
304 * @param integer $priority Priority for the notification
306 * @return boolean success
307 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
309 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
311 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
312 // locate item to be deleted
313 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
314 'deleted', 'resource-id', 'event-id',
315 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
316 $item = Post::selectFirst($fields, ['id' => $item_id]);
317 if (!DBA::isResult($item)) {
318 Logger::info('Item not found.', ['id' => $item_id]);
322 if ($item['deleted']) {
323 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
327 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
328 if (!DBA::isResult($parent)) {
329 $parent = ['origin' => false];
332 // clean up categories and tags so they don't end up as orphans
333 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
336 * If item is a link to a photo resource, nuke all the associated photos
337 * (visitors will not have photo resources)
338 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
339 * generate a resource-id and therefore aren't intimately linked to the item.
341 /// @TODO: this should first check if photo is used elsewhere
342 if (strlen($item['resource-id'])) {
343 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
346 // If item is a link to an event, delete the event.
347 if (intval($item['event-id'])) {
348 Event::delete($item['event-id']);
351 // If item has attachments, drop them
352 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
353 foreach($attachments as $attachment) {
354 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
355 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
359 // Set the item to "deleted"
360 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
361 DBA::update('item', $item_fields, ['id' => $item['id']]);
363 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
364 self::deleteThread($item['id'], $item['parent-uri-id']);
366 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
367 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
370 Post\DeliveryData::delete($item['uri-id']);
372 // When the permission set will be used in photo and events as well,
373 // this query here needs to be extended.
374 // @todo Currently deactivated. We need the permission set in the deletion process.
375 // This is a reminder to add the removal somewhere else.
376 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
377 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
380 // If it's the parent of a comment thread, kill all the kids
381 if ($item['gravity'] == GRAVITY_PARENT) {
382 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
385 // Is it our comment and/or our thread?
386 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
387 // When we delete the original post we will delete all existing copies on the server as well
388 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
390 // send the notification upstream/downstream
392 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
394 } elseif ($item['uid'] != 0) {
395 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
397 // When we delete just our local user copy of an item, we have to set a marker to hide it
398 $global_item = Post::selectFirst(['id'], ['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false]);
399 if (DBA::isResult($global_item)) {
400 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
404 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
409 private static function guid($item, $notify)
411 if (!empty($item['guid'])) {
412 return Strings::escapeTags(trim($item['guid']));
416 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
417 // We add the hash of our own host because our host is the original creator of the post.
418 $prefix_host = DI::baseUrl()->getHostname();
422 // We are only storing the post so we create a GUID from the original hostname.
423 if (!empty($item['author-link'])) {
424 $parsed = parse_url($item['author-link']);
425 if (!empty($parsed['host'])) {
426 $prefix_host = $parsed['host'];
430 if (empty($prefix_host) && !empty($item['plink'])) {
431 $parsed = parse_url($item['plink']);
432 if (!empty($parsed['host'])) {
433 $prefix_host = $parsed['host'];
437 if (empty($prefix_host) && !empty($item['uri'])) {
438 $parsed = parse_url($item['uri']);
439 if (!empty($parsed['host'])) {
440 $prefix_host = $parsed['host'];
444 // Is it in the format data@host.tld? - Used for mail contacts
445 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
446 $mailparts = explode('@', $item['author-link']);
447 $prefix_host = array_pop($mailparts);
451 if (!empty($item['plink'])) {
452 $guid = self::guidFromUri($item['plink'], $prefix_host);
453 } elseif (!empty($item['uri'])) {
454 $guid = self::guidFromUri($item['uri'], $prefix_host);
456 $guid = System::createUUID(hash('crc32', $prefix_host));
462 private static function contactId($item)
464 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
465 return $item['contact-id'];
466 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
467 return $item['contact-id'];
468 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
469 return $item['author-id'];
470 } elseif (!empty($item['contact-id'])) {
471 return $item['contact-id'];
473 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
474 if (!empty($contact_id)) {
478 return $item['author-id'];
482 * Write an item array into a spool file to be inserted later.
483 * This command is called whenever there are issues storing an item.
485 * @param array $item The item fields that are to be inserted
488 private static function spool($orig_item)
490 // Now we store the data in the spool directory
491 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
492 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
494 $spoolpath = get_spoolpath();
495 if ($spoolpath != "") {
496 $spool = $spoolpath . '/' . $file;
498 file_put_contents($spool, json_encode($orig_item));
499 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
504 * Check if the item array is a duplicate
507 * @return boolean is it a duplicate?
509 private static function isDuplicate(array $item)
511 // Checking if there is already an item with the same guid
512 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
513 if (Post::exists($condition)) {
514 Logger::notice('Found already existing item', [
515 'guid' => $item['guid'],
516 'uid' => $item['uid'],
517 'network' => $item['network']
522 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
523 'network' => [$item['network'], Protocol::DFRN]];
524 if (Post::exists($condition)) {
525 Logger::notice('duplicated item with the same uri found.', $item);
529 // On Friendica and Diaspora the GUID is unique
530 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
531 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
532 if (Post::exists($condition)) {
533 Logger::notice('duplicated item with the same guid found.', $item);
536 } elseif ($item['network'] == Protocol::OSTATUS) {
537 // Check for an existing post with the same content. There seems to be a problem with OStatus.
538 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
539 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
540 if (Post::exists($condition)) {
541 Logger::notice('duplicated item with the same body found.', $item);
547 * Check for already added items.
548 * There is a timing issue here that sometimes creates double postings.
549 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
551 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
552 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
560 * Check if the item array is valid
563 * @return boolean item is valid
565 public static function isValid(array $item)
567 // When there is no content then we don't post it
568 if ($item['body'] . $item['title'] == '') {
569 Logger::notice('No body, no title.');
573 if (!empty($item['uid'])) {
574 $owner = User::getOwnerDataById($item['uid'], false);
576 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
580 if ($owner['account_expired'] || $owner['account_removed']) {
581 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
586 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
587 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
591 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
592 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
596 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
597 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
601 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
602 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
606 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
610 if ($item['verb'] == Activity::FOLLOW) {
611 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
612 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
613 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
617 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
618 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
619 if (Post::exists($condition)) {
620 // It happens that we receive multiple follow requests by the same author - we only store one.
621 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
630 * Check if the item array is too old
633 * @return boolean item is too old
635 public static function isTooOld(array $item)
637 // check for create date and expire time
638 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
640 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
641 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
642 $expire_interval = $user['expire'];
645 if (($expire_interval > 0) && !empty($item['created'])) {
646 $expire_date = time() - ($expire_interval * 86400);
647 $created_date = strtotime($item['created']);
648 if ($created_date < $expire_date) {
649 Logger::notice('Item created before expiration interval.', [
650 'created' => date('c', $created_date),
651 'expired' => date('c', $expire_date),
662 * Return the id of the given item array if it has been stored before
665 * @return integer item id
667 private static function getDuplicateID(array $item)
669 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
670 $condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
671 $item['uri-id'], $item['uid'],
672 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
673 $existing = Post::selectFirst(['id', 'network'], $condition);
674 if (DBA::isResult($existing)) {
675 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
676 if ($item['uid'] != 0) {
677 Logger::notice('Item already existed for user', [
678 'uri-id' => $item['uri-id'],
679 'uid' => $item['uid'],
680 'network' => $item['network'],
681 'existing_id' => $existing["id"],
682 'existing_network' => $existing["network"]
686 return $existing["id"];
693 * Fetch top-level parent data for the given item array
696 * @return array item array with parent data
699 private static function getTopLevelParent(array $item)
701 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
702 'uri-id', 'parent-uri-id',
703 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
704 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
705 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
706 $params = ['order' => ['id' => false]];
707 $parent = Post::selectFirst($fields, $condition, $params);
709 if (!DBA::isResult($parent)) {
710 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
714 if ($parent['uri-id'] == $parent['parent-uri-id']) {
718 $condition = ['uri-id' => $parent['parent-uri-id'],
719 'parent-uri-id' => $parent['parent-uri-id'],
720 'uid' => $parent['uid']];
721 $params = ['order' => ['id' => false]];
722 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
723 if (!DBA::isResult($toplevel_parent)) {
724 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
728 return $toplevel_parent;
732 * Get the gravity for the given item array
735 * @return integer gravity
737 private static function getGravity(array $item)
739 $activity = DI::activity();
741 if (isset($item['gravity'])) {
742 return intval($item['gravity']);
743 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
744 return GRAVITY_PARENT;
745 } elseif ($activity->match($item['verb'], Activity::POST)) {
746 return GRAVITY_COMMENT;
747 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
748 return GRAVITY_ACTIVITY;
749 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
750 return GRAVITY_ACTIVITY;
752 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
753 return GRAVITY_UNKNOWN; // Should not happen
756 public static function insert($item, $notify = false, $dontcache = false)
758 $structure = self::getItemFields();
762 $priority = PRIORITY_HIGH;
764 // If it is a posting where users should get notifications, then define it as wall posting
768 $item['network'] = Protocol::DFRN;
769 $item['protocol'] = Conversation::PARCEL_DIRECT;
770 $item['direction'] = Conversation::PUSH;
772 if (in_array($notify, PRIORITIES)) {
776 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
779 $uid = intval($item['uid']);
781 $item['guid'] = self::guid($item, $notify);
782 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
785 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
787 // Backward compatibility: parent-uri used to be the direct parent uri.
788 // If it is provided without a thr-parent, it probably is the old behavior.
789 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
790 $item['parent-uri'] = $item['thr-parent'];
792 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
794 // Store conversation data
795 $item = Conversation::insert($item);
798 * Do we already have this item?
799 * We have to check several networks since Friendica posts could be repeated
800 * via OStatus (maybe Diasporsa as well)
802 $duplicate = self::getDuplicateID($item);
807 // Additional duplicate checks
808 /// @todo Check why the first duplication check returns the item number and the second a 0
809 if (self::isDuplicate($item)) {
813 $item['wall'] = intval($item['wall'] ?? 0);
814 $item['extid'] = trim($item['extid'] ?? '');
815 $item['author-name'] = trim($item['author-name'] ?? '');
816 $item['author-link'] = trim($item['author-link'] ?? '');
817 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
818 $item['owner-name'] = trim($item['owner-name'] ?? '');
819 $item['owner-link'] = trim($item['owner-link'] ?? '');
820 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
821 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
822 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
823 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
824 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
825 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
826 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
827 $item['location'] = trim($item['location'] ?? '');
828 $item['coord'] = trim($item['coord'] ?? '');
829 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
830 $item['deleted'] = 0;
831 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
832 $item['verb'] = trim($item['verb'] ?? '');
833 $item['object-type'] = trim($item['object-type'] ?? '');
834 $item['object'] = trim($item['object'] ?? '');
835 $item['target-type'] = trim($item['target-type'] ?? '');
836 $item['target'] = trim($item['target'] ?? '');
837 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
838 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
839 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
840 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
841 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
842 $item['private'] = intval($item['private'] ?? self::PUBLIC);
843 $item['body'] = trim($item['body'] ?? '');
844 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
845 $item['app'] = trim($item['app'] ?? '');
846 $item['origin'] = intval($item['origin'] ?? 0);
847 $item['postopts'] = trim($item['postopts'] ?? '');
848 $item['resource-id'] = trim($item['resource-id'] ?? '');
849 $item['event-id'] = intval($item['event-id'] ?? 0);
850 $item['inform'] = trim($item['inform'] ?? '');
851 $item['file'] = trim($item['file'] ?? '');
853 // Items cannot be stored before they happen ...
854 if ($item['created'] > DateTimeFormat::utcNow()) {
855 $item['created'] = DateTimeFormat::utcNow();
858 // We haven't invented time travel by now.
859 if ($item['edited'] > DateTimeFormat::utcNow()) {
860 $item['edited'] = DateTimeFormat::utcNow();
863 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
865 $item['gravity'] = self::getGravity($item);
867 $item['language'] = self::getLanguage($item);
869 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
870 'photo' => $item['author-avatar'], 'network' => $item['network']];
871 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
873 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
874 'photo' => $item['owner-avatar'], 'network' => $item['network']];
875 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
877 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
878 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
879 $item['post-type'] = self::PT_FOLLOWER;
882 // Ensure that there is an avatar cache
883 Contact::checkAvatarCache($item['author-id']);
884 Contact::checkAvatarCache($item['owner-id']);
886 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
887 $item["contact-id"] = self::contactId($item);
889 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
890 self::isTooOld($item)) {
891 Logger::info('Item is too old', ['item' => $item]);
895 if (!self::isValid($item)) {
899 if ($item['gravity'] !== GRAVITY_PARENT) {
900 $toplevel_parent = self::getTopLevelParent($item);
901 if (empty($toplevel_parent)) {
905 // If the thread originated from this node, we check the permission against the thread starter
906 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
907 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
908 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
912 $parent_id = $toplevel_parent['id'];
913 $item['parent-uri'] = $toplevel_parent['uri'];
914 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
915 $item['deleted'] = $toplevel_parent['deleted'];
916 $item['allow_cid'] = $toplevel_parent['allow_cid'];
917 $item['allow_gid'] = $toplevel_parent['allow_gid'];
918 $item['deny_cid'] = $toplevel_parent['deny_cid'];
919 $item['deny_gid'] = $toplevel_parent['deny_gid'];
920 $parent_origin = $toplevel_parent['origin'];
922 // Don't federate received participation messages
923 if ($item['verb'] != Activity::FOLLOW) {
924 $item['wall'] = $toplevel_parent['wall'];
926 $item['wall'] = false;
930 * If the parent is private, force privacy for the entire conversation
931 * This differs from the above settings as it subtly allows comments from
932 * email correspondents to be private even if the overall thread is not.
934 if ($toplevel_parent['private']) {
935 $item['private'] = $toplevel_parent['private'];
939 * Edge case. We host a public forum that was originally posted to privately.
940 * The original author commented, but as this is a comment, the permissions
941 * weren't fixed up so it will still show the comment as private unless we fix it here.
943 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
944 $item['private'] = self::PUBLIC;
947 // If its a post that originated here then tag the thread as "mention"
948 if ($item['origin'] && $item['uid']) {
949 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
950 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
953 // Update the contact relations
954 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
956 unset($item['parent_origin']);
959 $parent_origin = $item['origin'];
962 // We don't store the causer link, only the id
963 unset($item['causer-link']);
965 // We don't store these fields anymore in the item table
966 unset($item['author-link']);
967 unset($item['author-name']);
968 unset($item['author-avatar']);
969 unset($item['author-network']);
971 unset($item['owner-link']);
972 unset($item['owner-name']);
973 unset($item['owner-avatar']);
975 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
976 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
978 // Is this item available in the global items (with uid=0)?
979 if ($item["uid"] == 0) {
980 $item["global"] = true;
982 // Set the global flag on all items if this was a global item entry
983 DBA::update('item', ['global' => true], ['uri-id' => $item['uri-id']]);
985 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
989 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
990 $item["private"] = self::PRIVATE;
994 $item['edit'] = false;
995 $item['parent'] = $parent_id;
996 Hook::callAll('post_local', $item);
997 unset($item['edit']);
999 Hook::callAll('post_remote', $item);
1002 // Set after the insert because top-level posts are self-referencing
1003 unset($item['parent']);
1005 if (!empty($item['cancel'])) {
1006 Logger::log('post cancelled by addon.');
1010 if (empty($item['vid']) && !empty($item['verb'])) {
1011 $item['vid'] = Verb::getID($item['verb']);
1014 // Creates or assigns the permission set
1015 $item['psid'] = PermissionSet::getIdFromACL(
1023 unset($item['allow_cid']);
1024 unset($item['allow_gid']);
1025 unset($item['deny_cid']);
1026 unset($item['deny_gid']);
1028 // This array field is used to trigger some automatic reactions
1029 // It is mainly used in the "post_local" hook.
1030 unset($item['api_source']);
1032 if ($item['verb'] == Activity::ANNOUNCE) {
1033 self::setOwnerforResharedItem($item);
1036 // Remove all media attachments from the body and store them in the post-media table
1037 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1038 $item['raw-body'] = self::setHashtags($item['raw-body']);
1040 // Check for hashtags in the body and repair or add hashtag links
1041 $item['body'] = self::setHashtags($item['body']);
1043 if (!empty($item['attach'])) {
1044 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1047 // Fill the cache field
1048 self::putInCache($item);
1050 if (stristr($item['verb'], Activity::POKE)) {
1051 $notify_type = Delivery::POKE;
1053 $notify_type = Delivery::POST;
1056 if (!in_array($item['verb'], self::ACTIVITIES) && !Post\Content::insert($item['uri-id'], $item)) {
1057 // This shouldn't happen
1058 Logger::warning('No post-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']]);
1062 $body = $item['body'];
1063 $verb = $item['verb'];
1065 // We just remove everything that is content
1066 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1067 unset($item[$field]);
1070 unset($item['activity']);
1072 // Filling item related side tables
1074 // Diaspora signature
1075 if (!empty($item['diaspora_signed_text'])) {
1076 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1079 unset($item['diaspora_signed_text']);
1081 // Attached file links
1082 if (!empty($item['file'])) {
1083 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1086 unset($item['file']);
1088 // Delivery relevant data
1089 $delivery_data = Post\DeliveryData::extractFields($item);
1090 unset($item['postopts']);
1091 unset($item['inform']);
1093 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1094 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1097 // Store tags from the body if this hadn't been handled previously in the protocol classes
1098 if (!Tag::existsForPost($item['uri-id'])) {
1099 Tag::storeFromBody($item['uri-id'], $body);
1102 $id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1104 // Remove all fields that aren't part of the item table
1105 foreach ($item as $field => $value) {
1106 if (!in_array($field, $structure['item'])) {
1107 unset($item[$field]);
1111 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1112 if (Post::exists($condition)) {
1113 Logger::notice('Item is already inserted - aborting', $condition);
1117 $result = DBA::insert('item', $item);
1119 // When the item was successfully stored we fetch the ID of the item.
1120 $current_post = DBA::lastInsertId();
1122 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1126 if (empty($current_post) || !DBA::isResult($result)) {
1127 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1128 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1129 self::spool($orig_item);
1133 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1135 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1136 $parent_id = $current_post;
1140 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1142 $item['id'] = $current_post;
1143 $item['parent'] = $parent_id;
1145 // update the commented timestamp on the parent
1146 if (DI::config()->get('system', 'like_no_comment')) {
1147 // Update when it is a comment
1148 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1150 // Update when it isn't a follow or tag verb
1151 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1154 if ($update_commented) {
1155 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1157 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1160 if ($item['gravity'] === GRAVITY_PARENT) {
1161 self::addThread($current_post);
1163 self::updateThread($parent_id);
1166 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1167 if (self::tagDeliver($item['uid'], $current_post)) {
1168 // Get the user information for the logging
1169 $user = User::getById($uid);
1171 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1176 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1177 if (DBA::isResult($posted_item)) {
1179 Hook::callAll('post_local_end', $posted_item);
1181 Hook::callAll('post_remote_end', $posted_item);
1184 Logger::log('new item not found in DB, id ' . $current_post);
1188 if ($item['gravity'] === GRAVITY_PARENT) {
1189 self::addShadow($current_post);
1191 self::addShadowPost($current_post);
1194 self::updateContact($item);
1196 UserItem::setNotification($current_post);
1198 check_user_notification($current_post);
1200 // Distribute items to users who subscribed to their tags
1201 self::distributeByTags($item);
1203 // Automatically reshare the item if the "remote_self" option is selected
1204 self::autoReshare($item);
1206 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1209 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1210 // Don't relay participation messages
1211 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1212 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1213 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1219 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1222 return $current_post;
1226 * Change the owner of a parent item if it had been shared by a forum
1228 * (public) forum posts in the new format consist of the regular post by the author
1229 * followed by an announce message sent from the forum account.
1230 * Changing the owner helps in grouping forum posts.
1232 * @param array $item
1235 private static function setOwnerforResharedItem(array $item)
1237 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1238 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1239 if (!DBA::isResult($parent)) {
1240 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1244 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
1245 if (!DBA::isResult($author)) {
1246 Logger::error('Author not found', ['id' => $item['author-id']]);
1250 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1251 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1252 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
1256 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1257 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1258 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1262 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1263 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1266 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1267 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1271 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1272 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]);
1276 * Distribute the given item to users who subscribed to their tags
1278 * @param array $item Processed item
1280 private static function distributeByTags(array $item)
1282 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1286 $uids = Tag::getUIDListByURIId($item['uri-id']);
1287 foreach ($uids as $uid) {
1288 if (Contact::isSharing($item['author-id'], $uid)) {
1291 $fields = ['post-type' => self::PT_TAG];
1294 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1295 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1300 * Distributes public items to the receivers
1302 * @param integer $itemid Item ID that should be added
1303 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1304 * @throws \Exception
1306 public static function distribute($itemid, $signed_text = '')
1308 $condition = ["`id` IN (SELECT `parent` FROM `post-view` WHERE `id` = ?)", $itemid];
1309 $parent = Post::selectFirst(['owner-id'], $condition);
1310 if (!DBA::isResult($parent)) {
1314 // Only distribute public items from native networks
1315 $condition = ['id' => $itemid, 'uid' => 0,
1316 'network' => array_merge(Protocol::FEDERATED ,['']),
1317 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1318 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1319 if (!DBA::isResult($item)) {
1323 $origin = $item['origin'];
1327 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1328 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1329 if (!DBA::isResult($owner)) {
1333 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1334 $contacts = DBA::select('contact', ['uid'], $condition);
1335 while ($contact = DBA::fetch($contacts)) {
1336 if ($contact['uid'] == 0) {
1340 $users[$contact['uid']] = $contact['uid'];
1342 DBA::close($contacts);
1344 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1345 $contacts = DBA::select('contact', ['uid'], $condition);
1346 while ($contact = DBA::fetch($contacts)) {
1347 if ($contact['uid'] == 0) {
1351 $users[$contact['uid']] = $contact['uid'];
1353 DBA::close($contacts);
1355 if (!empty($owner['alias'])) {
1356 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1357 $contacts = DBA::select('contact', ['uid'], $condition);
1358 while ($contact = DBA::fetch($contacts)) {
1359 if ($contact['uid'] == 0) {
1363 $users[$contact['uid']] = $contact['uid'];
1365 DBA::close($contacts);
1370 if ($item['uri-id'] != $item['parent-uri-id']) {
1371 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1372 while ($parent = Post::fetch($parents)) {
1373 $users[$parent['uid']] = $parent['uid'];
1374 if ($parent['origin'] && !$origin) {
1375 $origin_uid = $parent['uid'];
1378 DBA::close($parents);
1381 foreach ($users as $uid) {
1382 if ($origin_uid == $uid) {
1383 $item['diaspora_signed_text'] = $signed_text;
1385 self::storeForUser($item, $uid);
1390 * Store a public item defined by their URI-ID for the given users
1392 * @param integer $uri_id URI-ID of the given item
1393 * @param integer $uid The user that will receive the item entry
1394 * @param array $fields Additional fields to be stored
1395 * @return integer stored item id
1397 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1399 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1400 if (!DBA::isResult($item)) {
1404 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1405 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']]);
1409 $item['post-type'] = self::PT_STORED;
1411 $item = array_merge($item, $fields);
1413 $stored = self::storeForUser($item, $uid);
1414 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1419 * Store a public item array for the given users
1421 * @param array $item The item entry that will be stored
1422 * @param integer $uid The user that will receive the item entry
1423 * @return integer stored item id
1424 * @throws \Exception
1426 private static function storeForUser(array $item, int $uid)
1428 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1429 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1434 unset($item['parent']);
1435 unset($item['mention']);
1436 unset($item['starred']);
1437 unset($item['unseen']);
1438 unset($item['psid']);
1440 $item['uid'] = $uid;
1441 $item['origin'] = 0;
1444 if ($item['gravity'] == GRAVITY_PARENT) {
1445 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1447 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1450 if (!empty($contact['id'])) {
1451 $item['contact-id'] = $contact['id'];
1453 // Shouldn't happen at all
1454 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1455 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1456 if (!DBA::isResult($self)) {
1457 // Shouldn't happen even less
1458 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1461 $item['contact-id'] = $self['id'];
1464 /// @todo Handling of "event-id"
1467 if ($item['gravity'] == GRAVITY_PARENT) {
1468 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1469 if (DBA::isResult($contact)) {
1470 $notify = self::isRemoteSelf($contact, $item);
1474 $distributed = self::insert($item, $notify, true);
1476 if (!$distributed) {
1477 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1479 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1481 return $distributed;
1485 * Add a shadow entry for a given item id that is a thread starter
1487 * We store every public item entry additionally with the user id "0".
1488 * This is used for the community page and for the search.
1489 * It is planned that in the future we will store public item entries only once.
1491 * @param integer $itemid Item ID that should be added
1492 * @throws \Exception
1494 private static function addShadow($itemid)
1496 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri-id'];
1497 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1498 $item = Post::selectFirst($fields, $condition);
1500 if (!DBA::isResult($item)) {
1504 // is it already a copy?
1505 if (($itemid == 0) || ($item['uid'] == 0)) {
1509 // Is it a visible public post?
1510 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
1514 // is it an entry from a connector? Only add an entry for natively connected networks
1515 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1519 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1523 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1525 if (DBA::isResult($item)) {
1526 // Preparing public shadow (removing user specific data)
1529 unset($item['parent']);
1530 unset($item['wall']);
1531 unset($item['mention']);
1532 unset($item['origin']);
1533 unset($item['starred']);
1534 unset($item['postopts']);
1535 unset($item['inform']);
1536 unset($item['post-type']);
1537 if ($item['uri-id'] == $item['parent-uri-id']) {
1538 $item['contact-id'] = $item['owner-id'];
1540 $item['contact-id'] = $item['author-id'];
1543 $public_shadow = self::insert($item, false, true);
1545 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1550 * Add a shadow entry for a given item id that is a comment
1552 * This function does the same like the function above - but for comments
1554 * @param integer $itemid Item ID that should be added
1555 * @throws \Exception
1557 private static function addShadowPost($itemid)
1559 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1560 if (!DBA::isResult($item)) {
1564 // Is it a toplevel post?
1565 if ($item['gravity'] == GRAVITY_PARENT) {
1566 self::addShadow($itemid);
1570 // Is this a shadow entry?
1571 if ($item['uid'] == 0) {
1575 // Is there a shadow parent?
1576 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1580 // Is there already a shadow entry?
1581 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1585 // Save "origin" and "parent" state
1586 $origin = $item['origin'];
1587 $parent = $item['parent'];
1589 // Preparing public shadow (removing user specific data)
1592 unset($item['parent']);
1593 unset($item['wall']);
1594 unset($item['mention']);
1595 unset($item['origin']);
1596 unset($item['starred']);
1597 unset($item['postopts']);
1598 unset($item['inform']);
1599 unset($item['post-type']);
1600 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1602 $public_shadow = self::insert($item, false, true);
1604 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1606 // If this was a comment to a Diaspora post we don't get our comment back.
1607 // This means that we have to distribute the comment by ourselves.
1608 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1609 self::distribute($public_shadow);
1614 * Adds a language specification in a "language" element of given $arr.
1615 * Expects "body" element to exist in $arr.
1617 * @param array $item
1618 * @return string detected language
1619 * @throws \Text_LanguageDetect_Exception
1621 private static function getLanguage(array $item)
1623 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1627 // Convert attachments to links
1628 $naked_body = BBCode::removeAttachment($item['body']);
1629 if (empty($naked_body)) {
1633 // Remove links and pictures
1634 $naked_body = BBCode::removeLinks($naked_body);
1636 // Convert the title and the body to plain text
1637 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1639 // Remove possibly remaining links
1640 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1642 if (empty($naked_body)) {
1646 $ld = new Language(DI::l10n()->getAvailableLanguages());
1647 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1648 if (is_array($languages)) {
1649 return json_encode($languages);
1655 public static function getLanguageMessage(array $item)
1657 $iso639 = new \Matriphe\ISO639\ISO639;
1659 $used_languages = '';
1660 foreach (json_decode($item['language'], true) as $language => $reliability) {
1661 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1663 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1664 return $used_languages;
1668 * Creates an unique guid out of a given uri
1670 * @param string $uri uri of an item entry
1671 * @param string $host hostname for the GUID prefix
1672 * @return string unique guid
1674 public static function guidFromUri($uri, $host)
1676 // Our regular guid routine is using this kind of prefix as well
1677 // We have to avoid that different routines could accidentally create the same value
1678 $parsed = parse_url($uri);
1680 // We use a hash of the hostname as prefix for the guid
1681 $guid_prefix = hash("crc32", $host);
1683 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1684 unset($parsed["scheme"]);
1686 // Glue it together to be able to make a hash from it
1687 $host_id = implode("/", $parsed);
1689 // We could use any hash algorithm since it isn't a security issue
1690 $host_hash = hash("ripemd128", $host_id);
1692 return $guid_prefix.$host_hash;
1696 * generate an unique URI
1698 * @param integer $uid User id
1699 * @param string $guid An existing GUID (Otherwise it will be generated)
1702 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1704 public static function newURI($uid, $guid = "")
1707 $guid = System::createUUID();
1710 return DI::baseUrl()->get() . '/objects/' . $guid;
1714 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1716 * This can be used to filter for inactive contacts.
1717 * Only do this for public postings to avoid privacy problems, since poco data is public.
1718 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1720 * @param array $arr Contains the just posted item record
1721 * @throws \Exception
1723 private static function updateContact($arr)
1725 // Unarchive the author
1726 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1727 if (DBA::isResult($contact)) {
1728 Contact::unmarkForArchival($contact);
1731 // Unarchive the contact if it's not our own contact
1732 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1733 if (DBA::isResult($contact)) {
1734 Contact::unmarkForArchival($contact);
1737 /// @todo On private posts we could obfuscate the date
1738 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1740 // Is it a forum? Then we don't care about the rules from above
1741 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1742 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1748 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1749 // So we have to ensure to only update the last item when it had been our own post,
1750 // or it had been done by a "regular" contact.
1751 if (!empty($arr['wall'])) {
1752 $condition = ['id' => $arr['contact-id']];
1754 $condition = ['id' => $arr['contact-id'], 'self' => false];
1756 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1758 // Now do the same for the system wide contacts with uid=0
1759 if ($arr['private'] != self::PRIVATE) {
1760 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1761 ['id' => $arr['owner-id']]);
1763 if ($arr['owner-id'] != $arr['author-id']) {
1764 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1765 ['id' => $arr['author-id']]);
1770 public static function setHashtags($body)
1772 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1773 $tags = BBCode::getTags($body);
1776 if (!count($tags)) {
1780 // This sorting is important when there are hashtags that are part of other hashtags
1781 // Otherwise there could be problems with hashtags like #test and #test2
1782 // Because of this we are sorting from the longest to the shortest tag.
1783 usort($tags, function ($a, $b) {
1784 return strlen($b) <=> strlen($a);
1787 $URLSearchString = "^\[\]";
1789 // All hashtags should point to the home server if "local_tags" is activated
1790 if (DI::config()->get('system', 'local_tags')) {
1791 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1792 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1795 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1796 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1798 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1801 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1803 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1806 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1808 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1811 // Repair recursive urls
1812 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1815 foreach ($tags as $tag) {
1816 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1820 $basetag = str_replace('_', ' ', substr($tag, 1));
1821 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1823 $body = str_replace($tag, $newtag, $body);
1826 // Convert back the masked hashtags
1827 $body = str_replace("#", "#", $body);
1836 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1839 * @param int $item_id
1840 * @return boolean true if item was deleted, else false
1841 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1842 * @throws \ImagickException
1844 private static function tagDeliver($uid, $item_id)
1848 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1849 if (!DBA::isResult($user)) {
1853 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1854 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1856 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1857 if (!DBA::isResult($item)) {
1861 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1864 * Diaspora uses their own hardwired link URL in @-tags
1865 * instead of the one we supply with webfinger
1867 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1869 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1871 foreach ($matches as $mtch) {
1872 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1874 Logger::log('mention found: ' . $mtch[2]);
1880 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1881 foreach ($tags as $tag) {
1882 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
1884 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
1890 if (($community_page || $prvgroup) &&
1891 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
1892 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
1893 DBA::delete('item', ['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1894 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1900 $arr = ['item' => $item, 'user' => $user];
1902 Hook::callAll('tagged', $arr);
1904 if (!$community_page && !$prvgroup) {
1909 * tgroup delivery - setup a second delivery chain
1910 * prevent delivery looping - only proceed
1911 * if the message originated elsewhere and is a top-level post
1913 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1917 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1918 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1919 if (!DBA::isResult($self)) {
1923 $owner_id = Contact::getIdForURL($self['url']);
1925 // also reset all the privacy bits to the forum default permissions
1927 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
1929 $psid = PermissionSet::getIdFromACL(
1937 $forum_mode = ($prvgroup ? 2 : 1);
1939 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1940 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
1941 self::update($fields, ['id' => $item_id]);
1943 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
1945 self::performActivity($item_id, 'announce', $uid);
1951 * Automatically reshare the item if the "remote_self" option is selected
1953 * @param array $item
1956 private static function autoReshare(array $item)
1958 if ($item['gravity'] != GRAVITY_PARENT) {
1962 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
1966 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1970 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1972 self::performActivity($item['id'], 'announce', $item['uid']);
1975 public static function isRemoteSelf($contact, &$datarray)
1977 if (!$contact['remote_self']) {
1981 // Prevent the forwarding of posts that are forwarded
1982 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
1983 Logger::info('Already forwarded');
1987 // Prevent to forward already forwarded posts
1988 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
1989 Logger::info('Already forwarded (second test)');
1993 // Only forward posts
1994 if ($datarray["verb"] != Activity::POST) {
1995 Logger::info('No post');
1999 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2000 Logger::info('Not public');
2004 $datarray2 = $datarray;
2005 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2006 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2007 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2008 ['uid' => $contact['uid'], 'self' => true]);
2009 if (DBA::isResult($self)) {
2010 $datarray['contact-id'] = $self["id"];
2012 $datarray['owner-name'] = $self["name"];
2013 $datarray['owner-link'] = $self["url"];
2014 $datarray['owner-avatar'] = $self["thumb"];
2016 $datarray['author-name'] = $datarray['owner-name'];
2017 $datarray['author-link'] = $datarray['owner-link'];
2018 $datarray['author-avatar'] = $datarray['owner-avatar'];
2020 unset($datarray['edited']);
2022 unset($datarray['network']);
2023 unset($datarray['owner-id']);
2024 unset($datarray['author-id']);
2027 if ($contact['network'] != Protocol::FEED) {
2028 $old_uri_id = $datarray["uri-id"] ?? 0;
2029 $datarray["guid"] = System::createUUID();
2030 unset($datarray["plink"]);
2031 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2032 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2033 $datarray["extid"] = Protocol::DFRN;
2034 $urlpart = parse_url($datarray2['author-link']);
2035 $datarray["app"] = $urlpart["host"];
2036 if (!empty($old_uri_id)) {
2037 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2040 unset($datarray["parent-uri"]);
2041 unset($datarray["thr-parent"]);
2043 $datarray['private'] = self::PUBLIC;
2047 if ($contact['network'] != Protocol::FEED) {
2048 // Store the original post
2049 $result = self::insert($datarray2);
2050 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2052 $datarray["app"] = "Feed";
2056 // Trigger automatic reactions for addons
2057 $datarray['api_source'] = true;
2059 // We have to tell the hooks who we are - this really should be improved
2060 $_SESSION['authenticated'] = true;
2061 $_SESSION['uid'] = $contact['uid'];
2063 return (bool)$result;
2070 * @param array $item
2073 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2074 * @throws \ImagickException
2076 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2078 if (DI::config()->get('system', 'disable_embedded')) {
2082 Logger::info('check for photos');
2083 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2088 $img_start = strpos($orig_body, '[img');
2089 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2090 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2092 while (($img_st_close !== false) && ($img_len !== false)) {
2093 $img_st_close++; // make it point to AFTER the closing bracket
2094 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2096 Logger::info('found photo', ['image' => $image]);
2098 if (stristr($image, $site . '/photo/')) {
2099 // Only embed locally hosted photos
2101 $i = basename($image);
2102 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2103 $x = strpos($i, '-');
2106 $res = substr($i, $x + 1);
2107 $i = substr($i, 0, $x);
2108 $photo = Photo::getPhotoForUser($uid, $i, $res);
2109 if (DBA::isResult($photo)) {
2111 * Check to see if we should replace this photo link with an embedded image
2112 * 1. No need to do so if the photo is public
2113 * 2. If there's a contact-id provided, see if they're in the access list
2114 * for the photo. If so, embed it.
2115 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2116 * permissions, regardless of order but first check to see if they're an exact
2117 * match to save some processing overhead.
2119 if (self::hasPermissions($photo)) {
2121 $recips = self::enumeratePermissions($photo);
2122 if (in_array($cid, $recips)) {
2126 if (self::samePermissions($uid, $item, $photo)) {
2132 $photo_img = Photo::getImageForPhoto($photo);
2133 // If a custom width and height were specified, apply before embedding
2134 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2135 Logger::info('scaling photo');
2137 $width = intval($match[1]);
2138 $height = intval($match[2]);
2140 $photo_img->scaleDown(max($width, $height));
2143 $data = $photo_img->asString();
2144 $type = $photo_img->getType();
2146 Logger::info('replacing photo');
2147 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2148 Logger::debug('replaced', ['image' => $image]);
2154 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2155 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2156 if ($orig_body === false) {
2160 $img_start = strpos($orig_body, '[img');
2161 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2162 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2165 $new_body = $new_body . $orig_body;
2170 private static function hasPermissions($obj)
2172 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2173 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2176 private static function samePermissions($uid, $obj1, $obj2)
2178 // first part is easy. Check that these are exactly the same.
2179 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2180 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2181 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2182 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2186 // This is harder. Parse all the permissions and compare the resulting set.
2187 $recipients1 = self::enumeratePermissions($obj1);
2188 $recipients2 = self::enumeratePermissions($obj2);
2192 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2193 return ($recipients1 == $recipients2);
2197 * Returns an array of contact-ids that are allowed to see this object
2199 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2200 * @param bool $check_dead Prunes unavailable contacts from the result
2202 * @throws \Exception
2204 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2206 $aclFormater = DI::aclFormatter();
2208 $allow_people = $aclFormater->expand($obj['allow_cid']);
2209 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2210 $deny_people = $aclFormater->expand($obj['deny_cid']);
2211 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2212 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2213 $deny = array_unique(array_merge($deny_people, $deny_groups));
2214 $recipients = array_diff($recipients, $deny);
2218 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2220 if (!$uid || ($days < 1)) {
2224 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2225 $uid, GRAVITY_PARENT];
2228 * $expire_network_only = save your own wall posts
2229 * and just expire conversations started by others
2231 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2233 if ($expire_network_only) {
2234 $condition[0] .= " AND NOT `wall`";
2237 if ($network != "") {
2238 $condition[0] .= " AND `network` = ?";
2239 $condition[] = $network;
2242 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2243 $condition[] = $days;
2245 $items = Post::select(['resource-id', 'starred', 'type', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2247 if (!DBA::isResult($items)) {
2251 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2253 // Forcing expiring of items - but not notes and marked items
2255 $expire_items = true;
2258 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2259 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2260 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2264 $priority = DI::config()->get('system', 'expire-notify-priority');
2266 while ($item = Post::fetch($items)) {
2267 // don't expire filed items
2268 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2272 // Only expire posts, not photos and photo comments
2274 if (!$expire_photos && strlen($item['resource-id'])) {
2276 } elseif (!$expire_starred && intval($item['starred'])) {
2278 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
2280 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2284 self::markForDeletionById($item['id'], $priority);
2289 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2292 public static function firstPostDate($uid, $wall = false)
2294 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2295 $params = ['order' => ['received' => false]];
2296 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
2297 if (DBA::isResult($thread)) {
2298 return substr(DateTimeFormat::local($thread['received']), 0, 10);
2304 * add/remove activity to an item
2306 * Toggle activities as like,dislike,attend of an item
2308 * @param int $item_id
2309 * @param string $verb
2310 * Activity verb. One of
2311 * like, unlike, dislike, undislike, attendyes, unattendyes,
2312 * attendno, unattendno, attendmaybe, unattendmaybe,
2313 * announce, unannouce
2315 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2316 * @throws \ImagickException
2317 * @hook 'post_local_end'
2319 * 'post_id' => ID of posted item
2321 public static function performActivity(int $item_id, string $verb, int $uid)
2327 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2329 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2330 if (!DBA::isResult($item)) {
2331 Logger::log('like: unknown item ' . $item_id);
2335 $uri_id = $item['uri-id'];
2337 if (!in_array($item['uid'], [0, $uid])) {
2341 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2342 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2343 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2344 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2345 if (!DBA::isResult($item)) {
2346 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2352 // Retrieves the local post owner
2353 $owner = User::getOwnerDataById($uid);
2354 if (empty($owner)) {
2355 Logger::info('Empty owner for user', ['uid' => $uid]);
2359 // Retrieve the current logged in user's public contact
2360 $author_id = Contact::getIdForURL($owner['url']);
2361 if (empty($author_id)) {
2362 Logger::info('Empty public contact');
2370 $activity = Activity::LIKE;
2374 $activity = Activity::DISLIKE;
2378 $activity = Activity::ATTEND;
2382 $activity = Activity::ATTENDNO;
2385 case 'unattendmaybe':
2386 $activity = Activity::ATTENDMAYBE;
2390 $activity = Activity::FOLLOW;
2394 $activity = Activity::ANNOUNCE;
2397 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2401 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2403 // Enable activity toggling instead of on/off
2404 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2406 // Look for an existing verb row
2407 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2408 if ($event_verb_flag) {
2409 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2411 // Translate to the index based activity index
2413 foreach ($verbs as $verb) {
2414 $vids[] = Verb::getID($verb);
2417 $vids = Verb::getID($activity);
2420 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2421 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2422 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2424 if (DBA::isResult($like_item)) {
2426 * Truth table for existing activities
2428 * | Inputs || Outputs |
2429 * |----------------------------||-------------------|
2430 * | Mode | Event | Same verb || Delete? | Return? |
2431 * |--------|-------|-----------||---------|---------|
2432 * | create | Yes | Yes || No | Yes |
2433 * | create | Yes | No || Yes | No |
2434 * | create | No | Yes || No | Yes |
2435 * | create | No | No || N/A†|
2436 * | delete | Yes | Yes || Yes | N/A‡ |
2437 * | delete | Yes | No || No | N/A‡ |
2438 * | delete | No | Yes || Yes | N/A‡ |
2439 * | delete | No | No || N/A†|
2440 * |--------|-------|-----------||---------|---------|
2441 * | A | B | C || A xor C | !B or C |
2443 * †Can't happen: It's impossible to find an existing non-event activity without
2444 * the same verb because we are only looking for this single verb.
2446 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2448 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2449 self::markForDeletionById($like_item['id']);
2452 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2457 // No need to go further if we aren't creating anything
2458 if ($mode == 'delete') {
2462 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2465 'guid' => System::createUUID(),
2466 'uri' => self::newURI($item['uid']),
2467 'uid' => $item['uid'],
2468 'contact-id' => $owner['id'],
2469 'wall' => $item['wall'],
2471 'network' => Protocol::DFRN,
2472 'protocol' => Conversation::PARCEL_DIRECT,
2473 'direction' => Conversation::PUSH,
2474 'gravity' => GRAVITY_ACTIVITY,
2475 'parent' => $item['id'],
2476 'thr-parent' => $item['uri'],
2477 'owner-id' => $author_id,
2478 'author-id' => $author_id,
2479 'body' => $activity,
2480 'verb' => $activity,
2481 'object-type' => $objtype,
2482 'allow_cid' => $item['allow_cid'],
2483 'allow_gid' => $item['allow_gid'],
2484 'deny_cid' => $item['deny_cid'],
2485 'deny_gid' => $item['deny_gid'],
2490 $signed = Diaspora::createLikeSignature($uid, $new_item);
2491 if (!empty($signed)) {
2492 $new_item['diaspora_signed_text'] = json_encode($signed);
2495 $new_item_id = self::insert($new_item);
2497 // If the parent item isn't visible then set it to visible
2498 if (!$item['visible']) {
2499 self::update(['visible' => true], ['id' => $item['id']]);
2502 $new_item['id'] = $new_item_id;
2504 Hook::callAll('post_local_end', $new_item);
2509 private static function addThread($itemid, $onlyshadow = false)
2511 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2512 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
2513 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2514 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2515 $item = Post::selectFirst($fields, $condition);
2517 if (!DBA::isResult($item)) {
2521 $item['iid'] = $itemid;
2524 $result = DBA::replace('thread', $item);
2526 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
2530 private static function updateThread($itemid, $setmention = false)
2532 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
2533 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
2534 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2536 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
2537 if (!DBA::isResult($item)) {
2542 $item["mention"] = 1;
2547 foreach ($item as $field => $data) {
2548 if (!in_array($field, ["guid"])) {
2549 $fields[$field] = $data;
2553 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
2555 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
2558 private static function deleteThread($itemid, $uri_id)
2560 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2561 if (!DBA::isResult($item)) {
2562 Logger::info('No thread found', ['id' => $itemid]);
2566 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
2568 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
2570 $condition = ["`uri-id` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $uri_id, $item["uid"]];
2571 if (!Post::exists($condition)) {
2572 DBA::delete('item', ['uri-id' => $uri_id, 'uid' => 0]);
2573 Post\User::delete(['uri-id' => $uri_id, 'uid' => 0]);
2574 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri-id' => $uri_id]);
2579 * Fetch the SQL condition for the given user id
2581 * @param integer $owner_id User ID for which the permissions should be fetched
2582 * @return array condition
2584 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2586 $local_user = local_user();
2587 $remote_user = Session::getRemoteContactID($owner_id);
2589 // default permissions - anonymous user
2590 $condition = ["`private` != ?", self::PRIVATE];
2592 if ($local_user && ($local_user == $owner_id)) {
2593 // Profile owner - everything is visible
2595 } elseif ($remote_user) {
2596 // Authenticated visitor - fetch the matching permissionsets
2597 $set = PermissionSet::get($owner_id, $remote_user);
2599 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2600 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2601 self::PRIVATE, self::PRIVATE];
2602 $condition = array_merge($condition, $set);
2610 * Get a permission SQL string for the given user
2612 * @param int $owner_id
2613 * @param string $table
2616 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2618 $local_user = local_user();
2619 $remote_user = Session::getRemoteContactID($owner_id);
2621 if (!empty($table)) {
2622 $table = DBA::quoteIdentifier($table) . '.';
2626 * Construct permissions
2628 * default permissions - anonymous user
2630 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2632 // Profile owner - everything is visible
2633 if ($local_user && ($local_user == $owner_id)) {
2635 } elseif ($remote_user) {
2637 * Authenticated visitor. Unless pre-verified,
2638 * check that the contact belongs to this $owner_id
2639 * and load the groups the visitor belongs to.
2640 * If pre-verified, the caller is expected to have already
2641 * done this and passed the groups into this function.
2643 $set = PermissionSet::get($owner_id, $remote_user);
2646 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2651 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2658 * get translated item type
2663 public static function postType($item)
2665 if (!empty($item['event-id'])) {
2666 return DI::l10n()->t('event');
2667 } elseif (!empty($item['resource-id'])) {
2668 return DI::l10n()->t('photo');
2669 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2670 return DI::l10n()->t('activity');
2671 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2672 return DI::l10n()->t('comment');
2675 return DI::l10n()->t('post');
2679 * Sets the "rendered-html" field of the provided item
2681 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2683 * @param array $item
2684 * @param bool $update
2686 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2687 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2689 public static function putInCache(&$item, $update = false)
2691 // Save original body to prevent addons to modify it
2692 $body = $item['body'];
2694 $rendered_hash = $item['rendered-hash'] ?? '';
2695 $rendered_html = $item['rendered-html'] ?? '';
2697 if ($rendered_hash == ''
2698 || $rendered_html == ''
2699 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2700 || DI::config()->get('system', 'ignore_cache')
2702 self::addRedirToImageTags($item);
2704 $item['rendered-html'] = BBCode::convert($item['body']);
2705 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2707 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2708 Hook::callAll('put_item_in_cache', $hook_data);
2709 $item['rendered-html'] = $hook_data['rendered-html'];
2710 $item['rendered-hash'] = $hook_data['rendered-hash'];
2713 // Force an update if the generated values differ from the existing ones
2714 if ($rendered_hash != $item['rendered-hash']) {
2718 // Only compare the HTML when we forcefully ignore the cache
2719 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
2723 if ($update && !empty($item['id'])) {
2726 'rendered-html' => $item['rendered-html'],
2727 'rendered-hash' => $item['rendered-hash']
2729 ['id' => $item['id']]
2734 $item['body'] = $body;
2738 * Find any non-embedded images in private items and add redir links to them
2740 * @param array &$item The field array of an item row
2742 private static function addRedirToImageTags(array &$item)
2747 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2749 foreach ($matches as $mtch) {
2750 if (strpos($mtch[1], '/redir') !== false) {
2754 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2755 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2756 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2763 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2764 * If attach is true, also add icons for item attachments.
2766 * @param array $item
2767 * @param boolean $attach
2768 * @param boolean $is_preview
2769 * @return string item body html
2770 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2771 * @throws \ImagickException
2772 * @hook prepare_body_init item array before any work
2773 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2774 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2775 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2777 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2780 Hook::callAll('prepare_body_init', $item);
2782 // In order to provide theme developers more possibilities, event items
2783 // are treated differently.
2784 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2785 $ev = Event::getItemHTML($item);
2789 $tags = Tag::populateFromItem($item);
2791 $item['tags'] = $tags['tags'];
2792 $item['hashtags'] = $tags['hashtags'];
2793 $item['mentions'] = $tags['mentions'];
2795 // Compile eventual content filter reasons
2796 $filter_reasons = [];
2797 if (!$is_preview && public_contact() != $item['author-id']) {
2798 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2799 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2804 'filter_reasons' => $filter_reasons
2806 Hook::callAll('prepare_body_content_filter', $hook_data);
2807 $filter_reasons = $hook_data['filter_reasons'];
2811 // Update the cached values if there is no "zrl=..." on the links.
2812 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
2814 // Or update it if the current viewer is the intented viewer.
2815 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
2819 self::putInCache($item, $update);
2820 $s = $item["rendered-html"];
2825 'preview' => $is_preview,
2826 'filter_reasons' => $filter_reasons
2828 Hook::callAll('prepare_body', $hook_data);
2829 $s = $hook_data['html'];
2833 // Replace the blockquotes with quotes that are used in mails.
2834 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2835 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2841 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
2842 $mime = $attachment['mimetype'];
2844 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
2846 if (strpos($mime, 'video') !== false) {
2849 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
2852 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2854 'id' => $item['author-id'],
2855 'title' => DI::l10n()->t('View Video'),
2862 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
2864 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
2865 $filesubtype = str_replace('.', '-', $filesubtype);
2868 $filesubtype = 'unkn';
2871 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
2872 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
2874 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
2875 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
2879 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
2883 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2884 $x = Map::byCoordinates(trim($item['coord']));
2886 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2890 // Replace friendica image url size with theme preference.
2891 if (!empty($a->theme_info['item_image_size'])) {
2892 $ps = $a->theme_info['item_image_size'];
2893 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2896 $s = HTML::applyContentFilter($s, $filter_reasons);
2898 $hook_data = ['item' => $item, 'html' => $s];
2899 Hook::callAll('prepare_body_final', $hook_data);
2901 return $hook_data['html'];
2905 * get private link for item
2907 * @param array $item
2908 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
2909 * @throws \Exception
2911 public static function getPlink($item)
2915 'href' => "display/" . $item['guid'],
2916 'orig' => "display/" . $item['guid'],
2917 'title' => DI::l10n()->t('View on separate page'),
2918 'orig_title' => DI::l10n()->t('view on separate page'),
2921 if (!empty($item['plink'])) {
2922 $ret["href"] = DI::baseUrl()->remove($item['plink']);
2923 $ret["title"] = DI::l10n()->t('link to source');
2925 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
2927 'href' => $item['plink'],
2928 'orig' => $item['plink'],
2929 'title' => DI::l10n()->t('link to source'),
2939 * Is the given item array a post that is sent as starting post to a forum?
2941 * @param array $item
2942 * @param array $owner
2944 * @return boolean "true" when it is a forum post
2946 public static function isForumPost(array $item, array $owner = [])
2948 if (empty($owner)) {
2949 $owner = User::getOwnerDataById($item['uid']);
2950 if (empty($owner)) {
2955 if (($item['author-id'] == $item['owner-id']) ||
2956 ($owner['id'] == $item['contact-id']) ||
2957 ($item['uri-id'] != $item['parent-uri-id']) ||
2962 return Contact::isForum($item['contact-id']);
2966 * Search item id for given URI or plink
2968 * @param string $uri
2969 * @param integer $uid
2971 * @return integer item id
2973 public static function searchByLink($uri, $uid = 0)
2975 $ssl_uri = str_replace('http://', 'https://', $uri);
2976 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
2978 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
2979 if (DBA::isResult($item)) {
2983 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
2984 if (DBA::isResult($item)) {
2992 * Return the URI for a link to the post
2994 * @param string $uri URI or link to post
2996 * @return string URI
2998 public static function getURIByLink(string $uri)
3000 $ssl_uri = str_replace('http://', 'https://', $uri);
3001 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3003 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3004 if (DBA::isResult($item)) {
3005 return $item['uri'];
3008 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3009 if (DBA::isResult($item)) {
3010 return $item['uri'];
3017 * Fetches item for given URI or plink
3019 * @param string $uri
3020 * @param integer $uid
3022 * @return integer item id
3024 public static function fetchByLink(string $uri, int $uid = 0)
3026 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3027 $item_id = self::searchByLink($uri, $uid);
3028 if (!empty($item_id)) {
3029 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3033 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3034 $item_id = self::searchByLink($fetched_uri, $uid);
3036 $item_id = Diaspora::fetchByURL($uri);
3039 if (!empty($item_id)) {
3040 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3044 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3049 * Return share data from an item array (if the item is shared item)
3050 * We are providing the complete Item array, because at some time in the future
3051 * we hopefully will define these values not in the body anymore but in some item fields.
3052 * This function is meant to replace all similar functions in the system.
3054 * @param array $item
3056 * @return array with share information
3058 public static function getShareArray($item)
3060 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3064 $attribute_string = $matches[2];
3065 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3066 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3067 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3068 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3075 * Fetch item information for shared items from the original items and adds it.
3077 * @param array $item
3079 * @return array item array with data from the original item
3081 public static function addShareDataFromOriginal(array $item)
3083 $shared = self::getShareArray($item);
3084 if (empty($shared)) {
3088 // Real reshares always have got a GUID.
3089 if (empty($shared['guid'])) {
3093 $uid = $item['uid'] ?? 0;
3095 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3096 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3097 if (!DBA::isResult($shared_item)) {
3098 if (empty($shared['link'])) {
3102 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3103 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3105 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3109 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3110 if (!DBA::isResult($shared_item)) {
3113 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3115 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3118 if (!empty($shared_item['title'])) {
3119 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3120 unset($shared_item['title']);
3122 $body = $shared_item['body'];
3125 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3126 unset($shared_item['body']);
3128 return array_merge($item, $shared_item);
3132 * Check a prospective item array against user-level permissions
3134 * @param array $item Expected keys: uri, gravity, and
3135 * author-link if is author-id is set,
3136 * owner-link if is owner-id is set,
3137 * causer-link if is causer-id is set.
3138 * @param int $user_id Local user ID
3140 * @throws \Exception
3142 protected static function isAllowedByUser(array $item, int $user_id)
3144 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3145 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3149 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3150 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3154 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3155 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3156 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3160 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3161 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);