3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
36 use Friendica\Model\Post;
37 use Friendica\Protocol\Activity;
38 use Friendica\Protocol\ActivityPub;
39 use Friendica\Protocol\Diaspora;
40 use Friendica\Util\DateTimeFormat;
41 use Friendica\Util\Map;
42 use Friendica\Util\Network;
43 use Friendica\Util\Proxy;
44 use Friendica\Util\Strings;
45 use Friendica\Worker\Delivery;
46 use LanguageDetection\Language;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
59 const PT_PERSONAL_NOTE = 128;
61 // Posting reasons (Why had a post been stored for a user?)
68 const PR_FOLLOWER = 69;
69 const PR_ANNOUNCEMENT = 70;
70 const PR_COMMENT = 71;
74 const PR_FETCHED = 75;
76 // Field list that is used to display the items
77 const DISPLAY_FIELDLIST = [
78 'uid', 'id', 'parent', 'guid', 'network', 'gravity',
79 'uri-id', 'uri', 'thr-parent-id', 'thr-parent', 'parent-uri-id', 'parent-uri',
80 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
81 'wall', 'private', 'starred', 'origin', 'parent-origin', 'title', 'body', 'language',
82 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
83 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'mention',
84 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
85 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network', 'owner-contact-type',
86 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type', 'causer-network',
87 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
88 'writable', 'self', 'cid', 'alias',
89 'event-created', 'event-edited', 'event-start', 'event-finish',
90 'event-summary', 'event-desc', 'event-location', 'event-type',
91 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
92 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
95 // Field list that is used to deliver items via the protocols
96 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
97 'parent-guid', 'received', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
98 'private', 'title', 'body', 'raw-body', 'location', 'coord', 'app',
99 'inform', 'deleted', 'extid', 'post-type', 'post-reason', 'gravity',
100 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
101 'author-id', 'author-link', 'author-name', 'author-avatar', 'owner-id', 'owner-link', 'contact-uid',
102 'signed_text', 'network', 'wall', 'contact-id', 'plink', 'forum_mode', 'origin',
103 'thr-parent-id', 'parent-uri-id', 'postopts', 'pubmail',
104 'event-created', 'event-edited', 'event-start', 'event-finish',
105 'event-summary', 'event-desc', 'event-location', 'event-type',
106 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
108 // All fields in the item table
109 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
110 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
111 'contact-id', 'wall', 'gravity', 'extid', 'psid',
112 'created', 'edited', 'commented', 'received', 'changed', 'verb',
113 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
114 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type', 'post-reason',
115 'private', 'pubmail', 'visible', 'starred',
116 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
117 'title', 'content-warning', 'body', 'location', 'coord', 'app',
118 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
119 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
120 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
122 // List of all verbs that don't need additional content data.
123 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
125 Activity::LIKE, Activity::DISLIKE,
126 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
135 * Update existing item entries
137 * @param array $fields The fields that are to be changed
138 * @param array $condition The condition for finding the item entries
140 * In the future we may have to change permissions as well.
141 * Then we had to add the user id as third parameter.
143 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
145 * @return integer|boolean number of affected rows - or "false" if there was an error
146 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
148 public static function update(array $fields, array $condition)
150 if (empty($condition) || empty($fields)) {
154 if (isset($fields['extid'])) {
155 $fields['external-id'] = ItemURI::getIdByURI($fields['extid']);
158 if (!empty($fields['verb'])) {
159 $fields['vid'] = Verb::getID($fields['verb']);
162 $rows = Post::update($fields, $condition);
163 if (is_bool($rows)) {
167 // We only need to call the line by line update for specific fields
168 if (empty($fields['body']) && empty($fields['file']) &&
169 empty($fields['attach']) && empty($fields['edited'])) {
173 Logger::info('Updating per single row method', ['fields' => $fields, 'condition' => $condition]);
175 $items = Post::select(['id', 'origin', 'uri-id', 'uid', 'author-network'], $condition);
179 while ($item = DBA::fetch($items)) {
180 if (!empty($fields['body'])) {
181 Post\Media::insertFromAttachmentData($item['uri-id'], $fields['body']);
183 if ($item['author-network'] != Protocol::DFRN) {
184 Post\Media::insertFromRelevantUrl($item['uri-id'], $fields['body']);
187 $content_fields = ['raw-body' => trim($fields['raw-body'] ?? $fields['body'])];
189 // Remove all media attachments from the body and store them in the post-media table
190 // @todo On shared postings (Diaspora style and commented reshare) don't fetch content from the shared part
191 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
192 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
195 if (!empty($fields['file'])) {
196 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $fields['file']);
199 if (!empty($fields['attach'])) {
200 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
203 // We only need to notfiy others when it is an original entry from us.
204 // Only call the notifier when the item has some content relevant change.
205 if ($item['origin'] && in_array('edited', array_keys($fields))) {
206 $notify_items[] = $item['id'];
212 foreach ($notify_items as $notify_item) {
213 $post = Post::selectFirst(['uri-id', 'uid'], ['id' => $notify_item]);
214 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, (int)$post['uri-id'], (int)$post['uid']);
221 * Delete an item and notify others about it - if it was ours
223 * @param array $condition The condition for finding the item entries
224 * @param integer $priority Priority for the notification
225 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
227 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
229 $items = Post::select(['id'], $condition);
230 while ($item = Post::fetch($items)) {
231 self::markForDeletionById($item['id'], $priority);
237 * Delete an item for an user and notify others about it - if it was ours
239 * @param array $condition The condition for finding the item entries
240 * @param integer $uid User who wants to delete this item
241 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
243 public static function deleteForUser($condition, $uid)
249 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
250 while ($item = Post::fetch($items)) {
251 if (in_array($item['uid'], [$uid, 0])) {
252 Post\User::update($item['uri-id'], $uid, ['hidden' => true], true);
253 Post\ThreadUser::update($item['uri-id'], $uid, ['hidden' => true], true);
256 if ($item['uid'] == $uid) {
257 self::markForDeletionById($item['id'], PRIORITY_HIGH);
258 } elseif ($item['uid'] != 0) {
259 Logger::notice('Wrong ownership. Not deleting item', ['id' => $item['id']]);
266 * Mark an item for deletion, delete related data and notify others about it - if it was ours
268 * @param integer $item_id
269 * @param integer $priority Priority for the notification
271 * @return boolean success
272 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
274 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
276 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
277 // locate item to be deleted
278 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri-id', 'origin',
279 'deleted', 'resource-id', 'event-id',
280 'verb', 'object-type', 'object', 'target', 'contact-id', 'psid', 'gravity'];
281 $item = Post::selectFirst($fields, ['id' => $item_id]);
282 if (!DBA::isResult($item)) {
283 Logger::info('Item not found.', ['id' => $item_id]);
287 if ($item['deleted']) {
288 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
292 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
293 if (!DBA::isResult($parent)) {
294 $parent = ['origin' => false];
297 // clean up categories and tags so they don't end up as orphans
298 Post\Category::deleteByURIId($item['uri-id'], $item['uid']);
301 * If item is a link to a photo resource, nuke all the associated photos
302 * (visitors will not have photo resources)
303 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
304 * generate a resource-id and therefore aren't intimately linked to the item.
306 /// @TODO: this should first check if photo is used elsewhere
307 if (strlen($item['resource-id'])) {
308 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
311 // If item is a link to an event, delete the event.
312 if (intval($item['event-id'])) {
313 Event::delete($item['event-id']);
316 // If item has attachments, drop them
317 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
318 foreach($attachments as $attachment) {
319 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
320 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
324 // Set the item to "deleted"
325 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
326 Post::update($item_fields, ['id' => $item['id']]);
328 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
330 if (!Post::exists(["`uri-id` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri-id']])) {
331 self::markForDeletion(['uri-id' => $item['uri-id'], 'uid' => 0, 'deleted' => false], $priority);
334 Post\DeliveryData::delete($item['uri-id']);
336 // If it's the parent of a comment thread, kill all the kids
337 if ($item['gravity'] == GRAVITY_PARENT) {
338 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
341 // Is it our comment and/or our thread?
342 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
343 // When we delete the original post we will delete all existing copies on the server as well
344 self::markForDeletion(['uri-id' => $item['uri-id'], 'deleted' => false], $priority);
346 // send the notification upstream/downstream
348 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, (int)$item['uri-id'], (int)$item['uid']);
350 } elseif ($item['uid'] != 0) {
351 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
352 Post\ThreadUser::update($item['uri-id'], $item['uid'], ['hidden' => true]);
355 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
360 private static function guid($item, $notify)
362 if (!empty($item['guid'])) {
363 return Strings::escapeTags(trim($item['guid']));
367 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
368 // We add the hash of our own host because our host is the original creator of the post.
369 $prefix_host = DI::baseUrl()->getHostname();
373 // We are only storing the post so we create a GUID from the original hostname.
374 if (!empty($item['author-link'])) {
375 $parsed = parse_url($item['author-link']);
376 if (!empty($parsed['host'])) {
377 $prefix_host = $parsed['host'];
381 if (empty($prefix_host) && !empty($item['plink'])) {
382 $parsed = parse_url($item['plink']);
383 if (!empty($parsed['host'])) {
384 $prefix_host = $parsed['host'];
388 if (empty($prefix_host) && !empty($item['uri'])) {
389 $parsed = parse_url($item['uri']);
390 if (!empty($parsed['host'])) {
391 $prefix_host = $parsed['host'];
395 // Is it in the format data@host.tld? - Used for mail contacts
396 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
397 $mailparts = explode('@', $item['author-link']);
398 $prefix_host = array_pop($mailparts);
402 if (!empty($item['plink'])) {
403 $guid = self::guidFromUri($item['plink'], $prefix_host);
404 } elseif (!empty($item['uri'])) {
405 $guid = self::guidFromUri($item['uri'], $prefix_host);
407 $guid = System::createUUID(hash('crc32', $prefix_host));
413 private static function contactId($item)
415 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
416 return $item['contact-id'];
417 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
418 return $item['contact-id'];
419 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
420 return $item['author-id'];
421 } elseif (!empty($item['contact-id'])) {
422 return $item['contact-id'];
424 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
425 if (!empty($contact_id)) {
429 return $item['author-id'];
433 * Write an item array into a spool file to be inserted later.
434 * This command is called whenever there are issues storing an item.
436 * @param array $item The item fields that are to be inserted
439 private static function spool($orig_item)
441 // Now we store the data in the spool directory
442 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
443 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
445 $spoolpath = get_spoolpath();
446 if ($spoolpath != "") {
447 $spool = $spoolpath . '/' . $file;
449 file_put_contents($spool, json_encode($orig_item));
450 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
455 * Check if the item array is a duplicate
458 * @return boolean is it a duplicate?
460 private static function isDuplicate(array $item)
462 // Checking if there is already an item with the same guid
463 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
464 if (Post::exists($condition)) {
465 Logger::notice('Found already existing item', [
466 'guid' => $item['guid'],
467 'uid' => $item['uid'],
468 'network' => $item['network']
473 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'],
474 'network' => [$item['network'], Protocol::DFRN]];
475 if (Post::exists($condition)) {
476 Logger::notice('duplicated item with the same uri found.', $item);
480 // On Friendica and Diaspora the GUID is unique
481 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
482 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
483 if (Post::exists($condition)) {
484 Logger::notice('duplicated item with the same guid found.', $item);
487 } elseif ($item['network'] == Protocol::OSTATUS) {
488 // Check for an existing post with the same content. There seems to be a problem with OStatus.
489 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
490 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
491 if (Post::exists($condition)) {
492 Logger::notice('duplicated item with the same body found.', $item);
498 * Check for already added items.
499 * There is a timing issue here that sometimes creates double postings.
500 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
502 if (($item['uid'] == 0) && Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
503 Logger::notice('Global item already stored.', ['uri-id' => $item['uri-id'], 'network' => $item['network']]);
511 * Check if the item array is valid
514 * @return boolean item is valid
516 public static function isValid(array $item)
518 // When there is no content then we don't post it
519 if (($item['body'] . $item['title'] == '') && !Post\Media::existsByURIId($item['uri-id'])) {
520 Logger::notice('No body, no title.');
524 if (!empty($item['uid'])) {
525 $owner = User::getOwnerDataById($item['uid'], false);
527 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
531 if ($owner['account_expired'] || $owner['account_removed']) {
532 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
537 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
538 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
542 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
543 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
547 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
548 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
552 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
553 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
557 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
561 if ($item['verb'] == Activity::FOLLOW) {
562 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
563 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
564 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
568 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
569 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
570 if (Post::exists($condition)) {
571 // It happens that we receive multiple follow requests by the same author - we only store one.
572 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
581 * Check if the item array is too old
584 * @return boolean item is too old
586 public static function isTooOld(array $item)
588 // check for create date and expire time
589 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
591 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
592 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
593 $expire_interval = $user['expire'];
596 if (($expire_interval > 0) && !empty($item['created'])) {
597 $expire_date = time() - ($expire_interval * 86400);
598 $created_date = strtotime($item['created']);
599 if ($created_date < $expire_date) {
600 Logger::notice('Item created before expiration interval.', [
601 'created' => date('c', $created_date),
602 'expired' => date('c', $expire_date),
613 * Return the id of the given item array if it has been stored before
616 * @return integer item id
618 private static function getDuplicateID(array $item)
620 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
621 $condition = ["`uri-id` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
622 $item['uri-id'], $item['uid'],
623 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
624 $existing = Post::selectFirst(['id', 'network'], $condition);
625 if (DBA::isResult($existing)) {
626 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
627 if ($item['uid'] != 0) {
628 Logger::notice('Item already existed for user', [
629 'uri-id' => $item['uri-id'],
630 'uid' => $item['uid'],
631 'network' => $item['network'],
632 'existing_id' => $existing["id"],
633 'existing_network' => $existing["network"]
637 return $existing["id"];
644 * Fetch top-level parent data for the given item array
647 * @return array item array with parent data
650 private static function getTopLevelParent(array $item)
652 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
653 'uri-id', 'parent-uri-id',
654 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
655 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
656 $condition = ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']];
657 $params = ['order' => ['id' => false]];
658 $parent = Post::selectFirst($fields, $condition, $params);
660 if (!DBA::isResult($parent)) {
661 Logger::notice('item parent was not found - ignoring item', ['thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
665 if ($parent['uri-id'] == $parent['parent-uri-id']) {
669 $condition = ['uri-id' => $parent['parent-uri-id'],
670 'parent-uri-id' => $parent['parent-uri-id'],
671 'uid' => $parent['uid']];
672 $params = ['order' => ['id' => false]];
673 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
674 if (!DBA::isResult($toplevel_parent)) {
675 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri-id' => $parent['parent-uri-id'], 'uid' => $parent['uid']]);
679 return $toplevel_parent;
683 * Get the gravity for the given item array
686 * @return integer gravity
688 private static function getGravity(array $item)
690 $activity = DI::activity();
692 if (isset($item['gravity'])) {
693 return intval($item['gravity']);
694 } elseif ($item['parent-uri-id'] === $item['uri-id']) {
695 return GRAVITY_PARENT;
696 } elseif ($activity->match($item['verb'], Activity::POST)) {
697 return GRAVITY_COMMENT;
698 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
699 return GRAVITY_ACTIVITY;
700 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
701 return GRAVITY_ACTIVITY;
703 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
704 return GRAVITY_UNKNOWN; // Should not happen
707 public static function insert($item, $notify = false, $dontcache = false)
711 $priority = PRIORITY_HIGH;
713 // If it is a posting where users should get notifications, then define it as wall posting
717 $item['network'] = Protocol::DFRN;
718 $item['protocol'] = Conversation::PARCEL_DIRECT;
719 $item['direction'] = Conversation::PUSH;
721 if (in_array($notify, PRIORITIES)) {
725 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
728 $uid = intval($item['uid']);
730 $item['guid'] = self::guid($item, $notify);
731 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
734 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
736 // Backward compatibility: parent-uri used to be the direct parent uri.
737 // If it is provided without a thr-parent, it probably is the old behavior.
738 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
739 $item['parent-uri'] = $item['thr-parent'];
741 $item['thr-parent-id'] = $item['parent-uri-id'] = ItemURI::getIdByURI($item['thr-parent']);
743 // Store conversation data
744 $item = Conversation::insert($item);
747 * Do we already have this item?
748 * We have to check several networks since Friendica posts could be repeated
749 * via OStatus (maybe Diasporsa as well)
751 $duplicate = self::getDuplicateID($item);
756 // Additional duplicate checks
757 /// @todo Check why the first duplication check returns the item number and the second a 0
758 if (self::isDuplicate($item)) {
762 if (!isset($item['post-type'])) {
763 $item['post-type'] = empty($item['title']) ? self::PT_NOTE : self::PT_ARTICLE;
766 $item['wall'] = intval($item['wall'] ?? 0);
767 $item['extid'] = trim($item['extid'] ?? '');
768 $item['author-name'] = trim($item['author-name'] ?? '');
769 $item['author-link'] = trim($item['author-link'] ?? '');
770 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
771 $item['owner-name'] = trim($item['owner-name'] ?? '');
772 $item['owner-link'] = trim($item['owner-link'] ?? '');
773 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
774 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
775 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
776 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
777 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
778 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
779 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
780 $item['location'] = trim($item['location'] ?? '');
781 $item['coord'] = trim($item['coord'] ?? '');
782 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
783 $item['deleted'] = 0;
784 $item['verb'] = trim($item['verb'] ?? '');
785 $item['object-type'] = trim($item['object-type'] ?? '');
786 $item['object'] = trim($item['object'] ?? '');
787 $item['target-type'] = trim($item['target-type'] ?? '');
788 $item['target'] = trim($item['target'] ?? '');
789 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
790 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
791 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
792 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
793 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
794 $item['private'] = intval($item['private'] ?? self::PUBLIC);
795 $item['body'] = trim($item['body'] ?? '');
796 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
797 $item['app'] = trim($item['app'] ?? '');
798 $item['origin'] = intval($item['origin'] ?? 0);
799 $item['postopts'] = trim($item['postopts'] ?? '');
800 $item['resource-id'] = trim($item['resource-id'] ?? '');
801 $item['event-id'] = intval($item['event-id'] ?? 0);
802 $item['inform'] = trim($item['inform'] ?? '');
803 $item['file'] = trim($item['file'] ?? '');
805 // Items cannot be stored before they happen ...
806 if ($item['created'] > DateTimeFormat::utcNow()) {
807 $item['created'] = DateTimeFormat::utcNow();
810 // We haven't invented time travel by now.
811 if ($item['edited'] > DateTimeFormat::utcNow()) {
812 $item['edited'] = DateTimeFormat::utcNow();
815 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
817 $item['gravity'] = self::getGravity($item);
819 $item['language'] = self::getLanguage($item);
821 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
822 'photo' => $item['author-avatar'], 'network' => $item['network']];
823 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
825 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
826 'photo' => $item['owner-avatar'], 'network' => $item['network']];
827 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
829 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
830 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
831 $item['post-reason'] = self::PR_FOLLOWER;
834 // Ensure that there is an avatar cache
835 Contact::checkAvatarCache($item['author-id']);
836 Contact::checkAvatarCache($item['owner-id']);
838 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
839 $item["contact-id"] = self::contactId($item);
841 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
842 self::isTooOld($item)) {
843 Logger::info('Item is too old', ['item' => $item]);
847 if (!self::isValid($item)) {
851 if ($item['gravity'] !== GRAVITY_PARENT) {
852 $toplevel_parent = self::getTopLevelParent($item);
853 if (empty($toplevel_parent)) {
857 // If the thread originated from this node, we check the permission against the thread starter
858 $condition = ['uri-id' => $toplevel_parent['uri-id'], 'wall' => true];
859 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
860 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
864 $parent_id = $toplevel_parent['id'];
865 $item['parent-uri'] = $toplevel_parent['uri'];
866 $item['parent-uri-id'] = $toplevel_parent['uri-id'];
867 $item['deleted'] = $toplevel_parent['deleted'];
868 $item['allow_cid'] = $toplevel_parent['allow_cid'];
869 $item['allow_gid'] = $toplevel_parent['allow_gid'];
870 $item['deny_cid'] = $toplevel_parent['deny_cid'];
871 $item['deny_gid'] = $toplevel_parent['deny_gid'];
872 $parent_origin = $toplevel_parent['origin'];
874 // Don't federate received participation messages
875 if ($item['verb'] != Activity::FOLLOW) {
876 $item['wall'] = $toplevel_parent['wall'];
878 $item['wall'] = false;
879 // Participations are technical messages, so they are set to "seen" automatically
880 $item['unseen'] = false;
884 * If the parent is private, force privacy for the entire conversation
885 * This differs from the above settings as it subtly allows comments from
886 * email correspondents to be private even if the overall thread is not.
888 if ($toplevel_parent['private']) {
889 $item['private'] = $toplevel_parent['private'];
893 * Edge case. We host a public forum that was originally posted to privately.
894 * The original author commented, but as this is a comment, the permissions
895 * weren't fixed up so it will still show the comment as private unless we fix it here.
897 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
898 $item['private'] = self::PUBLIC;
901 // If its a post that originated here then tag the thread as "mention"
902 if ($item['origin'] && $item['uid']) {
903 DBA::update('post-thread-user', ['mention' => true], ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
904 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
907 // Update the contact relations
908 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
911 $parent_origin = $item['origin'];
914 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
915 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
917 // Is this item available in the global items (with uid=0)?
918 if ($item["uid"] == 0) {
919 $item["global"] = true;
921 // Set the global flag on all items if this was a global item entry
922 Post::update(['global' => true], ['uri-id' => $item['uri-id']]);
924 $item['global'] = Post::exists(['uid' => 0, 'uri-id' => $item['uri-id']]);
928 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
929 $item["private"] = self::PRIVATE;
933 $item['edit'] = false;
934 $item['parent'] = $parent_id;
936 // Trigger automatic reactions for addons
937 $item['api_source'] = true;
939 // We have to tell the hooks who we are - this really should be improved
941 $_SESSION['authenticated'] = true;
942 $_SESSION['uid'] = $uid;
943 $dummy_session = true;
945 $dummy_session = false;
948 Hook::callAll('post_local', $item);
950 if ($dummy_session) {
951 unset($_SESSION['authenticated']);
952 unset($_SESSION['uid']);
955 Hook::callAll('post_remote', $item);
958 if (!empty($item['cancel'])) {
959 Logger::log('post cancelled by addon.');
963 if (empty($item['vid']) && !empty($item['verb'])) {
964 $item['vid'] = Verb::getID($item['verb']);
967 // Creates or assigns the permission set
968 $item['psid'] = PermissionSet::getIdFromACL(
976 if (!empty($item['extid'])) {
977 $item['external-id'] = ItemURI::getIdByURI($item['extid']);
980 if ($item['verb'] == Activity::ANNOUNCE) {
981 self::setOwnerforResharedItem($item);
984 if (isset($item['attachments'])) {
985 foreach ($item['attachments'] as $attachment) {
986 $attachment['uri-id'] = $item['uri-id'];
987 Post\Media::insert($attachment);
989 unset($item['attachments']);
992 Post\Media::insertFromAttachmentData($item['uri-id'], $item['body']);
994 if (!DBA::exists('contact', ['id' => $item['author-id'], 'network' => Protocol::DFRN])) {
995 Post\Media::insertFromRelevantUrl($item['uri-id'], $item['body']);
998 // Remove all media attachments from the body and store them in the post-media table
999 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1000 $item['raw-body'] = self::setHashtags($item['raw-body']);
1002 // Check for hashtags in the body and repair or add hashtag links
1003 $item['body'] = self::setHashtags($item['body']);
1005 // Fill the cache field
1006 self::putInCache($item);
1008 if (stristr($item['verb'], Activity::POKE)) {
1009 $notify_type = Delivery::POKE;
1011 $notify_type = Delivery::POST;
1014 // Filling item related side tables
1015 if (!empty($item['attach'])) {
1016 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1019 if (empty($item['event-id'])) {
1020 unset($item['event-id']);
1023 if (empty($item['causer-id'])) {
1024 unset($item['causer-id']);
1027 Post::insert($item['uri-id'], $item);
1029 if ($item['gravity'] == GRAVITY_PARENT) {
1030 Post\Thread::insert($item['uri-id'], $item);
1033 if (!in_array($item['verb'], self::ACTIVITIES)) {
1034 Post\Content::insert($item['uri-id'], $item);
1037 // Diaspora signature
1038 if (!empty($item['diaspora_signed_text'])) {
1039 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1042 // Attached file links
1043 if (!empty($item['file'])) {
1044 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1047 // Delivery relevant data
1048 $delivery_data = Post\DeliveryData::extractFields($item);
1050 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1051 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1054 // Store tags from the body if this hadn't been handled previously in the protocol classes
1055 if (!Tag::existsForPost($item['uri-id'])) {
1056 Tag::storeFromBody($item['uri-id'], $item['body']);
1059 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid']];
1060 if (Post::exists($condition)) {
1061 Logger::notice('Item is already inserted - aborting', $condition);
1065 $post_user_id = Post\User::insert($item['uri-id'], $item['uid'], $item);
1066 if (!$post_user_id) {
1067 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1071 if ($item['gravity'] == GRAVITY_PARENT) {
1072 $item['post-user-id'] = $post_user_id;
1073 Post\ThreadUser::insert($item['uri-id'], $item['uid'], $item);
1076 Logger::notice('created item', ['post-id' => $post_user_id, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1078 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['post-user-id' => $post_user_id]);
1079 if (!DBA::isResult($posted_item)) {
1080 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1081 Logger::warning('Could not store item. it will be spooled', ['id' => $post_user_id]);
1082 self::spool($orig_item);
1086 // update the commented timestamp on the parent
1087 if (DI::config()->get('system', 'like_no_comment')) {
1088 // Update when it is a comment
1089 $update_commented = in_array($posted_item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1091 // Update when it isn't a follow or tag verb
1092 $update_commented = !in_array($posted_item['verb'], [Activity::FOLLOW, Activity::TAG]);
1095 if ($update_commented) {
1096 $fields = ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1098 $fields = ['changed' => DateTimeFormat::utcNow()];
1101 Post::update($fields, ['uri-id' => $posted_item['parent-uri-id'], 'uid' => $posted_item['uid']]);
1103 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1104 if (self::tagDeliver($posted_item['uid'], $post_user_id)) {
1105 // Get the user information for the logging
1106 $user = User::getById($uid);
1108 Logger::notice('Item had been deleted', ['id' => $post_user_id, 'user' => $uid, 'account-type' => $user['account-type']]);
1114 Hook::callAll('post_local_end', $posted_item);
1116 Hook::callAll('post_remote_end', $posted_item);
1120 if ($posted_item['gravity'] === GRAVITY_PARENT) {
1121 self::addShadow($post_user_id);
1123 self::addShadowPost($post_user_id);
1126 self::updateContact($posted_item);
1128 Post\UserNotification::setNotification($posted_item['uri-id'], $posted_item['uid']);
1130 check_user_notification($posted_item['uri-id'], $posted_item['uid']);
1132 // Distribute items to users who subscribed to their tags
1133 self::distributeByTags($posted_item);
1135 // Automatically reshare the item if the "remote_self" option is selected
1136 self::autoReshare($posted_item);
1138 $transmit = $notify || ($posted_item['visible'] && ($parent_origin || $posted_item['origin']));
1141 // Don't relay participation messages
1142 if (($posted_item['verb'] == Activity::FOLLOW) &&
1143 (!$posted_item['origin'] || ($posted_item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1144 Logger::info('Participation messages will not be relayed', ['item' => $posted_item['id'], 'uri' => $posted_item['uri'], 'verb' => $posted_item['verb']]);
1150 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, (int)$posted_item['uri-id'], (int)$posted_item['uid']);
1153 return $post_user_id;
1157 * Change the owner of a parent item if it had been shared by a forum
1159 * (public) forum posts in the new format consist of the regular post by the author
1160 * followed by an announce message sent from the forum account.
1161 * Changing the owner helps in grouping forum posts.
1163 * @param array $item
1166 private static function setOwnerforResharedItem(array $item)
1168 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-reason'],
1169 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1170 if (!DBA::isResult($parent)) {
1171 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1175 $author = Contact::selectFirst(['url', 'contact-type', 'network'], ['id' => $item['author-id']]);
1176 if (!DBA::isResult($author)) {
1177 Logger::error('Author not found', ['id' => $item['author-id']]);
1181 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1182 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1183 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid'], 'cid' => $cid]);
1187 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1188 if ($parent['post-reason'] == self::PR_ANNOUNCEMENT) {
1189 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1193 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1194 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1197 self::update(['post-reason' => self::PR_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1198 Logger::info('Set announcement post-reason', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1202 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1203 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]);
1207 * Distribute the given item to users who subscribed to their tags
1209 * @param array $item Processed item
1211 private static function distributeByTags(array $item)
1213 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1217 $uids = Tag::getUIDListByURIId($item['uri-id']);
1218 foreach ($uids as $uid) {
1219 if (Contact::isSharing($item['author-id'], $uid)) {
1222 $fields = ['post-reason' => self::PR_TAG];
1225 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
1226 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
1231 * Distributes public items to the receivers
1233 * @param integer $itemid Item ID that should be added
1234 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1235 * @throws \Exception
1237 public static function distribute($itemid, $signed_text = '')
1239 $condition = ["`id` IN (SELECT `parent` FROM `post-user-view` WHERE `id` = ?)", $itemid];
1240 $parent = Post::selectFirst(['owner-id'], $condition);
1241 if (!DBA::isResult($parent)) {
1242 Logger::warning('Item not found', ['condition' => $condition]);
1246 // Only distribute public items from native networks
1247 $condition = ['id' => $itemid, 'uid' => 0,
1248 'network' => array_merge(Protocol::FEDERATED ,['']),
1249 'visible' => true, 'deleted' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
1250 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
1251 if (!DBA::isResult($item)) {
1252 Logger::warning('Item not found', ['condition' => $condition]);
1256 $origin = $item['origin'];
1260 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
1261 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
1262 if (!DBA::isResult($owner)) {
1266 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1267 $contacts = DBA::select('contact', ['uid'], $condition);
1268 while ($contact = DBA::fetch($contacts)) {
1269 if ($contact['uid'] == 0) {
1273 $users[$contact['uid']] = $contact['uid'];
1275 DBA::close($contacts);
1277 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
1278 $contacts = DBA::select('contact', ['uid'], $condition);
1279 while ($contact = DBA::fetch($contacts)) {
1280 if ($contact['uid'] == 0) {
1284 $users[$contact['uid']] = $contact['uid'];
1286 DBA::close($contacts);
1288 if (!empty($owner['alias'])) {
1289 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
1290 $contacts = DBA::select('contact', ['uid'], $condition);
1291 while ($contact = DBA::fetch($contacts)) {
1292 if ($contact['uid'] == 0) {
1296 $users[$contact['uid']] = $contact['uid'];
1298 DBA::close($contacts);
1303 if ($item['uri-id'] != $item['parent-uri-id']) {
1304 $parents = Post::select(['uid', 'origin'], ["`uri-id` = ? AND `uid` != 0", $item['parent-uri-id']]);
1305 while ($parent = Post::fetch($parents)) {
1306 $users[$parent['uid']] = $parent['uid'];
1307 if ($parent['origin'] && !$origin) {
1308 $origin_uid = $parent['uid'];
1311 DBA::close($parents);
1314 foreach ($users as $uid) {
1315 if ($origin_uid == $uid) {
1316 $item['diaspora_signed_text'] = $signed_text;
1318 self::storeForUser($item, $uid);
1323 * Store a public item defined by their URI-ID for the given users
1325 * @param integer $uri_id URI-ID of the given item
1326 * @param integer $uid The user that will receive the item entry
1327 * @param array $fields Additional fields to be stored
1328 * @return integer stored item id
1330 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
1332 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
1333 if (!DBA::isResult($item)) {
1337 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
1338 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']]);
1342 $item['post-reason'] = self::PR_STORED;
1344 $item = array_merge($item, $fields);
1346 $stored = self::storeForUser($item, $uid);
1347 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
1352 * Store a public item array for the given users
1354 * @param array $item The item entry that will be stored
1355 * @param integer $uid The user that will receive the item entry
1356 * @return integer stored item id
1357 * @throws \Exception
1359 private static function storeForUser(array $item, int $uid)
1361 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
1362 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
1367 unset($item['parent']);
1368 unset($item['mention']);
1369 unset($item['starred']);
1370 unset($item['unseen']);
1371 unset($item['psid']);
1373 $item['uid'] = $uid;
1374 $item['origin'] = 0;
1377 if ($item['gravity'] == GRAVITY_PARENT) {
1378 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
1380 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
1383 if (!empty($contact['id'])) {
1384 $item['contact-id'] = $contact['id'];
1386 // Shouldn't happen at all
1387 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
1388 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1389 if (!DBA::isResult($self)) {
1390 // Shouldn't happen even less
1391 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
1394 $item['contact-id'] = $self['id'];
1397 /// @todo Handling of "event-id"
1400 if ($item['gravity'] == GRAVITY_PARENT) {
1401 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1402 if (DBA::isResult($contact)) {
1403 $notify = self::isRemoteSelf($contact, $item);
1407 $distributed = self::insert($item, $notify, true);
1409 if (!$distributed) {
1410 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
1412 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
1414 return $distributed;
1418 * Add a shadow entry for a given item id that is a thread starter
1420 * We store every public item entry additionally with the user id "0".
1421 * This is used for the community page and for the search.
1422 * It is planned that in the future we will store public item entries only once.
1424 * @param integer $itemid Item ID that should be added
1425 * @throws \Exception
1427 private static function addShadow($itemid)
1429 $fields = ['uid', 'private', 'visible', 'deleted', 'network', 'uri-id'];
1430 $condition = ['id' => $itemid, 'gravity' => GRAVITY_PARENT];
1431 $item = Post::selectFirst($fields, $condition);
1433 if (!DBA::isResult($item)) {
1437 // is it already a copy?
1438 if (($itemid == 0) || ($item['uid'] == 0)) {
1442 // Is it a visible public post?
1443 if (!$item["visible"] || $item["deleted"] || ($item["private"] == self::PRIVATE)) {
1447 // is it an entry from a connector? Only add an entry for natively connected networks
1448 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
1452 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1456 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1458 if (DBA::isResult($item)) {
1459 // Preparing public shadow (removing user specific data)
1462 unset($item['parent']);
1463 unset($item['wall']);
1464 unset($item['mention']);
1465 unset($item['origin']);
1466 unset($item['starred']);
1467 unset($item['postopts']);
1468 unset($item['inform']);
1469 unset($item['post-reason']);
1470 if ($item['uri-id'] == $item['parent-uri-id']) {
1471 $item['contact-id'] = $item['owner-id'];
1473 $item['contact-id'] = $item['author-id'];
1476 $public_shadow = self::insert($item, false, true);
1478 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
1483 * Add a shadow entry for a given item id that is a comment
1485 * This function does the same like the function above - but for comments
1487 * @param integer $itemid Item ID that should be added
1488 * @throws \Exception
1490 private static function addShadowPost($itemid)
1492 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1493 if (!DBA::isResult($item)) {
1497 // Is it a toplevel post?
1498 if ($item['gravity'] == GRAVITY_PARENT) {
1499 self::addShadow($itemid);
1503 // Is this a shadow entry?
1504 if ($item['uid'] == 0) {
1508 // Is there a shadow parent?
1509 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => 0])) {
1513 // Is there already a shadow entry?
1514 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => 0])) {
1518 // Save "origin" and "parent" state
1519 $origin = $item['origin'];
1520 $parent = $item['parent'];
1522 // Preparing public shadow (removing user specific data)
1525 unset($item['parent']);
1526 unset($item['wall']);
1527 unset($item['mention']);
1528 unset($item['origin']);
1529 unset($item['starred']);
1530 unset($item['postopts']);
1531 unset($item['inform']);
1532 unset($item['post-reason']);
1533 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1535 $public_shadow = self::insert($item, false, true);
1537 Logger::info('Stored public shadow', ['uri-id' => $item['uri-id'], 'id' => $public_shadow]);
1539 // If this was a comment to a Diaspora post we don't get our comment back.
1540 // This means that we have to distribute the comment by ourselves.
1541 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
1542 self::distribute($public_shadow);
1547 * Adds a language specification in a "language" element of given $arr.
1548 * Expects "body" element to exist in $arr.
1550 * @param array $item
1551 * @return string detected language
1552 * @throws \Text_LanguageDetect_Exception
1554 private static function getLanguage(array $item)
1556 if (!empty($item['language'])) {
1557 return $item['language'];
1560 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
1564 // Convert attachments to links
1565 $naked_body = BBCode::removeAttachment($item['body']);
1566 if (empty($naked_body)) {
1570 // Remove links and pictures
1571 $naked_body = BBCode::removeLinks($naked_body);
1573 // Convert the title and the body to plain text
1574 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
1576 // Remove possibly remaining links
1577 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
1579 if (empty($naked_body)) {
1583 $ld = new Language(DI::l10n()->getAvailableLanguages());
1584 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
1585 if (is_array($languages)) {
1586 return json_encode($languages);
1592 public static function getLanguageMessage(array $item)
1594 $iso639 = new \Matriphe\ISO639\ISO639;
1596 $used_languages = '';
1597 foreach (json_decode($item['language'], true) as $language => $reliability) {
1598 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
1600 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
1601 return $used_languages;
1605 * Creates an unique guid out of a given uri
1607 * @param string $uri uri of an item entry
1608 * @param string $host hostname for the GUID prefix
1609 * @return string unique guid
1611 public static function guidFromUri($uri, $host)
1613 // Our regular guid routine is using this kind of prefix as well
1614 // We have to avoid that different routines could accidentally create the same value
1615 $parsed = parse_url($uri);
1617 // We use a hash of the hostname as prefix for the guid
1618 $guid_prefix = hash("crc32", $host);
1620 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1621 unset($parsed["scheme"]);
1623 // Glue it together to be able to make a hash from it
1624 $host_id = implode("/", $parsed);
1626 // We could use any hash algorithm since it isn't a security issue
1627 $host_hash = hash("ripemd128", $host_id);
1629 return $guid_prefix.$host_hash;
1633 * generate an unique URI
1635 * @param integer $uid User id
1636 * @param string $guid An existing GUID (Otherwise it will be generated)
1639 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1641 public static function newURI($uid, $guid = "")
1644 $guid = System::createUUID();
1647 return DI::baseUrl()->get() . '/objects/' . $guid;
1651 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
1653 * This can be used to filter for inactive contacts.
1654 * Only do this for public postings to avoid privacy problems, since poco data is public.
1655 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1657 * @param array $arr Contains the just posted item record
1658 * @throws \Exception
1660 private static function updateContact($arr)
1662 // Unarchive the author
1663 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1664 if (DBA::isResult($contact)) {
1665 Contact::unmarkForArchival($contact);
1668 // Unarchive the contact if it's not our own contact
1669 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1670 if (DBA::isResult($contact)) {
1671 Contact::unmarkForArchival($contact);
1674 /// @todo On private posts we could obfuscate the date
1675 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
1677 // Is it a forum? Then we don't care about the rules from above
1678 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri-id"] === $arr["uri-id"])) {
1679 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1685 // The "self" contact id is used (for example in the connectors) when the contact is unknown
1686 // So we have to ensure to only update the last item when it had been our own post,
1687 // or it had been done by a "regular" contact.
1688 if (!empty($arr['wall'])) {
1689 $condition = ['id' => $arr['contact-id']];
1691 $condition = ['id' => $arr['contact-id'], 'self' => false];
1693 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
1695 // Now do the same for the system wide contacts with uid=0
1696 if ($arr['private'] != self::PRIVATE) {
1697 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1698 ['id' => $arr['owner-id']]);
1700 if ($arr['owner-id'] != $arr['author-id']) {
1701 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
1702 ['id' => $arr['author-id']]);
1707 public static function setHashtags($body)
1709 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) {
1710 $tags = BBCode::getTags($body);
1713 if (!count($tags)) {
1717 // This sorting is important when there are hashtags that are part of other hashtags
1718 // Otherwise there could be problems with hashtags like #test and #test2
1719 // Because of this we are sorting from the longest to the shortest tag.
1720 usort($tags, function ($a, $b) {
1721 return strlen($b) <=> strlen($a);
1724 $URLSearchString = "^\[\]";
1726 // All hashtags should point to the home server if "local_tags" is activated
1727 if (DI::config()->get('system', 'local_tags')) {
1728 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1729 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
1732 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1733 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1735 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1738 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1740 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1743 $body = preg_replace_callback("/\[attachment (.*?)\](.*?)\[\/attachment\]/ism",
1745 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1748 // Repair recursive urls
1749 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1752 foreach ($tags as $tag) {
1753 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
1757 $basetag = str_replace('_', ' ', substr($tag, 1));
1758 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
1760 $body = str_replace($tag, $newtag, $body);
1763 // Convert back the masked hashtags
1764 $body = str_replace("#", "#", $body);
1773 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1776 * @param int $item_id
1777 * @return boolean true if item was deleted, else false
1778 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1779 * @throws \ImagickException
1781 private static function tagDeliver($uid, $item_id)
1785 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
1786 if (!DBA::isResult($user)) {
1790 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
1791 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
1793 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
1794 if (!DBA::isResult($item)) {
1798 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
1801 * Diaspora uses their own hardwired link URL in @-tags
1802 * instead of the one we supply with webfinger
1804 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
1806 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1808 foreach ($matches as $mtch) {
1809 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
1811 Logger::log('mention found: ' . $mtch[2]);
1817 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
1818 foreach ($tags as $tag) {
1819 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
1821 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
1827 if (($community_page || $prvgroup) &&
1828 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
1829 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item['id'], 'guid'=> $item['guid']]);
1830 Post\User::delete(['uri-id' => $item['uri-id'], 'uid' => $item['uid']]);
1836 $arr = ['item' => $item, 'user' => $user];
1838 Hook::callAll('tagged', $arr);
1840 if (!$community_page && !$prvgroup) {
1845 * tgroup delivery - setup a second delivery chain
1846 * prevent delivery looping - only proceed
1847 * if the message originated elsewhere and is a top-level post
1849 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1853 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1854 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1855 if (!DBA::isResult($self)) {
1859 $owner_id = Contact::getIdForURL($self['url']);
1861 // also reset all the privacy bits to the forum default permissions
1863 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
1865 $psid = PermissionSet::getIdFromACL(
1873 $forum_mode = ($prvgroup ? 2 : 1);
1875 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1876 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
1877 self::update($fields, ['id' => $item['id']]);
1879 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, (int)$item['uri-id'], (int)$item['uid']);
1881 self::performActivity($item['id'], 'announce', $uid);
1887 * Automatically reshare the item if the "remote_self" option is selected
1889 * @param array $item
1892 private static function autoReshare(array $item)
1894 if ($item['gravity'] != GRAVITY_PARENT) {
1898 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
1902 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
1906 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
1908 self::performActivity($item['id'], 'announce', $item['uid']);
1911 public static function isRemoteSelf($contact, &$datarray)
1913 if (!$contact['remote_self']) {
1917 // Prevent the forwarding of posts that are forwarded
1918 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
1919 Logger::info('Already forwarded');
1923 // Prevent to forward already forwarded posts
1924 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
1925 Logger::info('Already forwarded (second test)');
1929 // Only forward posts
1930 if ($datarray["verb"] != Activity::POST) {
1931 Logger::info('No post');
1935 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
1936 Logger::info('Not public');
1940 $datarray2 = $datarray;
1941 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
1942 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
1943 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
1944 ['uid' => $contact['uid'], 'self' => true]);
1945 if (DBA::isResult($self)) {
1946 $datarray['contact-id'] = $self["id"];
1948 $datarray['owner-name'] = $self["name"];
1949 $datarray['owner-link'] = $self["url"];
1950 $datarray['owner-avatar'] = $self["thumb"];
1952 $datarray['author-name'] = $datarray['owner-name'];
1953 $datarray['author-link'] = $datarray['owner-link'];
1954 $datarray['author-avatar'] = $datarray['owner-avatar'];
1956 unset($datarray['edited']);
1958 unset($datarray['network']);
1959 unset($datarray['owner-id']);
1960 unset($datarray['author-id']);
1963 if ($contact['network'] != Protocol::FEED) {
1964 $old_uri_id = $datarray["uri-id"] ?? 0;
1965 $datarray["guid"] = System::createUUID();
1966 unset($datarray["plink"]);
1967 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
1968 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
1969 $datarray["extid"] = Protocol::DFRN;
1970 $urlpart = parse_url($datarray2['author-link']);
1971 $datarray["app"] = $urlpart["host"];
1972 if (!empty($old_uri_id)) {
1973 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
1976 unset($datarray["parent-uri"]);
1977 unset($datarray["thr-parent"]);
1979 $datarray['private'] = self::PUBLIC;
1983 if ($contact['network'] != Protocol::FEED) {
1984 // Store the original post
1985 $result = self::insert($datarray2);
1986 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
1988 $datarray["app"] = "Feed";
1992 return (bool)$result;
1999 * @param array $item
2002 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2003 * @throws \ImagickException
2005 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2007 if (DI::config()->get('system', 'disable_embedded')) {
2011 Logger::info('check for photos');
2012 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2017 $img_start = strpos($orig_body, '[img');
2018 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2019 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2021 while (($img_st_close !== false) && ($img_len !== false)) {
2022 $img_st_close++; // make it point to AFTER the closing bracket
2023 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2025 Logger::info('found photo', ['image' => $image]);
2027 if (stristr($image, $site . '/photo/')) {
2028 // Only embed locally hosted photos
2030 $i = basename($image);
2031 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2032 $x = strpos($i, '-');
2035 $res = substr($i, $x + 1);
2036 $i = substr($i, 0, $x);
2037 $photo = Photo::getPhotoForUser($uid, $i, $res);
2038 if (DBA::isResult($photo)) {
2040 * Check to see if we should replace this photo link with an embedded image
2041 * 1. No need to do so if the photo is public
2042 * 2. If there's a contact-id provided, see if they're in the access list
2043 * for the photo. If so, embed it.
2044 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2045 * permissions, regardless of order but first check to see if they're an exact
2046 * match to save some processing overhead.
2048 if (self::hasPermissions($photo)) {
2050 $recips = self::enumeratePermissions($photo);
2051 if (in_array($cid, $recips)) {
2055 if (self::samePermissions($uid, $item, $photo)) {
2061 $photo_img = Photo::getImageForPhoto($photo);
2062 // If a custom width and height were specified, apply before embedding
2063 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2064 Logger::info('scaling photo');
2066 $width = intval($match[1]);
2067 $height = intval($match[2]);
2069 $photo_img->scaleDown(max($width, $height));
2072 $data = $photo_img->asString();
2073 $type = $photo_img->getType();
2075 Logger::info('replacing photo');
2076 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2077 Logger::debug('replaced', ['image' => $image]);
2083 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2084 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2085 if ($orig_body === false) {
2089 $img_start = strpos($orig_body, '[img');
2090 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2091 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2094 $new_body = $new_body . $orig_body;
2099 private static function hasPermissions($obj)
2101 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2102 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2105 private static function samePermissions($uid, $obj1, $obj2)
2107 // first part is easy. Check that these are exactly the same.
2108 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2109 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2110 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2111 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2115 // This is harder. Parse all the permissions and compare the resulting set.
2116 $recipients1 = self::enumeratePermissions($obj1);
2117 $recipients2 = self::enumeratePermissions($obj2);
2121 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2122 return ($recipients1 == $recipients2);
2126 * Returns an array of contact-ids that are allowed to see this object
2128 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2129 * @param bool $check_dead Prunes unavailable contacts from the result
2131 * @throws \Exception
2133 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2135 $aclFormater = DI::aclFormatter();
2137 $allow_people = $aclFormater->expand($obj['allow_cid']);
2138 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2139 $deny_people = $aclFormater->expand($obj['deny_cid']);
2140 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2141 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2142 $deny = array_unique(array_merge($deny_people, $deny_groups));
2143 $recipients = array_diff($recipients, $deny);
2147 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2149 if (!$uid || ($days < 1)) {
2153 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2154 $uid, GRAVITY_PARENT];
2157 * $expire_network_only = save your own wall posts
2158 * and just expire conversations started by others
2160 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2162 if ($expire_network_only) {
2163 $condition[0] .= " AND NOT `wall`";
2166 if ($network != "") {
2167 $condition[0] .= " AND `network` = ?";
2168 $condition[] = $network;
2171 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2172 $condition[] = $days;
2174 $items = Post::select(['resource-id', 'starred', 'id', 'post-type', 'uid', 'uri-id'], $condition);
2176 if (!DBA::isResult($items)) {
2180 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2182 // Forcing expiring of items - but not notes and marked items
2184 $expire_items = true;
2187 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2188 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
2189 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
2193 $priority = DI::config()->get('system', 'expire-notify-priority');
2195 while ($item = Post::fetch($items)) {
2196 // don't expire filed items
2197 if (DBA::exists('post-category', ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'type' => Post\Category::FILE])) {
2201 // Only expire posts, not photos and photo comments
2203 if (!$expire_photos && !empty($item['resource-id'])) {
2205 } elseif (!$expire_starred && intval($item['starred'])) {
2207 } elseif (!$expire_notes && ($item['post-type'] == self::PT_PERSONAL_NOTE)) {
2209 } elseif (!$expire_items && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
2213 self::markForDeletionById($item['id'], $priority);
2218 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2221 public static function firstPostDate($uid, $wall = false)
2223 $user = User::getById($uid, ['register_date']);
2228 $condition = ["`uid` = ? AND `wall` = ? AND NOT `deleted` AND `visible` AND `received` >= ?",
2229 $uid, $wall, $user['register_date']];
2230 $params = ['order' => ['received' => false]];
2231 $thread = Post::selectFirstThread(['received'], $condition, $params);
2232 if (DBA::isResult($thread)) {
2233 $postdate = substr(DateTimeFormat::local($thread['received']), 0, 10);
2240 * add/remove activity to an item
2242 * Toggle activities as like,dislike,attend of an item
2244 * @param int $item_id
2245 * @param string $verb
2246 * Activity verb. One of
2247 * like, unlike, dislike, undislike, attendyes, unattendyes,
2248 * attendno, unattendno, attendmaybe, unattendmaybe,
2249 * announce, unannouce
2251 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2252 * @throws \ImagickException
2253 * @hook 'post_local_end'
2255 * 'post_id' => ID of posted item
2257 public static function performActivity(int $item_id, string $verb, int $uid)
2263 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
2265 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2266 if (!DBA::isResult($item)) {
2267 Logger::log('like: unknown item ' . $item_id);
2271 $uri_id = $item['uri-id'];
2273 if (!in_array($item['uid'], [0, $uid])) {
2277 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
2278 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
2279 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
2280 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
2281 if (!DBA::isResult($item)) {
2282 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'uri-id' => $uri_id]);
2288 // Retrieves the local post owner
2289 $owner = User::getOwnerDataById($uid);
2290 if (empty($owner)) {
2291 Logger::info('Empty owner for user', ['uid' => $uid]);
2295 // Retrieve the current logged in user's public contact
2296 $author_id = Contact::getIdForURL($owner['url']);
2297 if (empty($author_id)) {
2298 Logger::info('Empty public contact');
2306 $activity = Activity::LIKE;
2310 $activity = Activity::DISLIKE;
2314 $activity = Activity::ATTEND;
2318 $activity = Activity::ATTENDNO;
2321 case 'unattendmaybe':
2322 $activity = Activity::ATTENDMAYBE;
2326 $activity = Activity::FOLLOW;
2330 $activity = Activity::ANNOUNCE;
2333 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
2337 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
2339 // Enable activity toggling instead of on/off
2340 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
2342 // Look for an existing verb row
2343 // Event participation activities are mutually exclusive, only one of them can exist at all times.
2344 if ($event_verb_flag) {
2345 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
2347 // Translate to the index based activity index
2349 foreach ($verbs as $verb) {
2350 $vids[] = Verb::getID($verb);
2353 $vids = Verb::getID($activity);
2356 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2357 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent-id' => $uri_id];
2358 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
2360 if (DBA::isResult($like_item)) {
2362 * Truth table for existing activities
2364 * | Inputs || Outputs |
2365 * |----------------------------||-------------------|
2366 * | Mode | Event | Same verb || Delete? | Return? |
2367 * |--------|-------|-----------||---------|---------|
2368 * | create | Yes | Yes || No | Yes |
2369 * | create | Yes | No || Yes | No |
2370 * | create | No | Yes || No | Yes |
2371 * | create | No | No || N/A†|
2372 * | delete | Yes | Yes || Yes | N/A‡ |
2373 * | delete | Yes | No || No | N/A‡ |
2374 * | delete | No | Yes || Yes | N/A‡ |
2375 * | delete | No | No || N/A†|
2376 * |--------|-------|-----------||---------|---------|
2377 * | A | B | C || A xor C | !B or C |
2379 * †Can't happen: It's impossible to find an existing non-event activity without
2380 * the same verb because we are only looking for this single verb.
2382 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
2384 if ($mode == 'create' xor $like_item['verb'] == $activity) {
2385 self::markForDeletionById($like_item['id']);
2388 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2393 // No need to go further if we aren't creating anything
2394 if ($mode == 'delete') {
2398 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
2401 'guid' => System::createUUID(),
2402 'uri' => self::newURI($item['uid']),
2403 'uid' => $item['uid'],
2404 'contact-id' => $owner['id'],
2405 'wall' => $item['wall'],
2407 'network' => Protocol::DFRN,
2408 'protocol' => Conversation::PARCEL_DIRECT,
2409 'direction' => Conversation::PUSH,
2410 'gravity' => GRAVITY_ACTIVITY,
2411 'parent' => $item['id'],
2412 'thr-parent' => $item['uri'],
2413 'owner-id' => $author_id,
2414 'author-id' => $author_id,
2415 'body' => $activity,
2416 'verb' => $activity,
2417 'object-type' => $objtype,
2418 'allow_cid' => $item['allow_cid'],
2419 'allow_gid' => $item['allow_gid'],
2420 'deny_cid' => $item['deny_cid'],
2421 'deny_gid' => $item['deny_gid'],
2426 $signed = Diaspora::createLikeSignature($uid, $new_item);
2427 if (!empty($signed)) {
2428 $new_item['diaspora_signed_text'] = json_encode($signed);
2431 $new_item_id = self::insert($new_item);
2433 // If the parent item isn't visible then set it to visible
2434 if (!$item['visible']) {
2435 self::update(['visible' => true], ['id' => $item['id']]);
2438 $new_item['id'] = $new_item_id;
2440 Hook::callAll('post_local_end', $new_item);
2446 * Fetch the SQL condition for the given user id
2448 * @param integer $owner_id User ID for which the permissions should be fetched
2449 * @return array condition
2451 public static function getPermissionsConditionArrayByUserId(int $owner_id)
2453 $local_user = local_user();
2454 $remote_user = Session::getRemoteContactID($owner_id);
2456 // default permissions - anonymous user
2457 $condition = ["`private` != ?", self::PRIVATE];
2459 if ($local_user && ($local_user == $owner_id)) {
2460 // Profile owner - everything is visible
2462 } elseif ($remote_user) {
2463 // Authenticated visitor - fetch the matching permissionsets
2464 $set = PermissionSet::get($owner_id, $remote_user);
2466 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
2467 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
2468 self::PRIVATE, self::PRIVATE];
2469 $condition = array_merge($condition, $set);
2477 * Get a permission SQL string for the given user
2479 * @param int $owner_id
2480 * @param string $table
2483 public static function getPermissionsSQLByUserId(int $owner_id, string $table = '')
2485 $local_user = local_user();
2486 $remote_user = Session::getRemoteContactID($owner_id);
2488 if (!empty($table)) {
2489 $table = DBA::quoteIdentifier($table) . '.';
2493 * Construct permissions
2495 * default permissions - anonymous user
2497 $sql = sprintf(" AND " . $table . "`private` != %d", self::PRIVATE);
2499 // Profile owner - everything is visible
2500 if ($local_user && ($local_user == $owner_id)) {
2502 } elseif ($remote_user) {
2504 * Authenticated visitor. Unless pre-verified,
2505 * check that the contact belongs to this $owner_id
2506 * and load the groups the visitor belongs to.
2507 * If pre-verified, the caller is expected to have already
2508 * done this and passed the groups into this function.
2510 $set = PermissionSet::get($owner_id, $remote_user);
2513 $sql_set = sprintf(" OR (" . $table . "`private` = %d AND " . $table . "`wall` AND " . $table . "`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
2518 $sql = sprintf(" AND (" . $table . "`private` != %d", self::PRIVATE) . $sql_set . ")";
2525 * get translated item type
2527 * @param array $item
2528 * @param \Friendica\Core\L10n $l10n
2531 public static function postType(array $item, \Friendica\Core\L10n $l10n)
2533 if (!empty($item['event-id'])) {
2534 return $l10n->t('event');
2535 } elseif (!empty($item['resource-id'])) {
2536 return $l10n->t('photo');
2537 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
2538 return $l10n->t('activity');
2539 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
2540 return $l10n->t('comment');
2543 return $l10n->t('post');
2547 * Sets the "rendered-html" field of the provided item
2549 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
2551 * @param array $item
2553 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2554 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
2556 public static function putInCache(&$item)
2558 // Save original body to prevent addons to modify it
2559 $body = $item['body'];
2561 $rendered_hash = $item['rendered-hash'] ?? '';
2562 $rendered_html = $item['rendered-html'] ?? '';
2564 if ($rendered_hash == ''
2565 || $rendered_html == ''
2566 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
2567 || DI::config()->get('system', 'ignore_cache')
2569 self::addRedirToImageTags($item);
2571 $item['rendered-html'] = BBCode::convert($item['body']);
2572 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
2574 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2575 Hook::callAll('put_item_in_cache', $hook_data);
2576 $item['rendered-html'] = $hook_data['rendered-html'];
2577 $item['rendered-hash'] = $hook_data['rendered-hash'];
2580 // Update if the generated values differ from the existing ones
2581 if ((($rendered_hash != $item['rendered-hash']) || ($rendered_html != $item['rendered-html'])) && !empty($item['id'])) {
2584 'rendered-html' => $item['rendered-html'],
2585 'rendered-hash' => $item['rendered-hash']
2587 ['id' => $item['id']]
2592 $item['body'] = $body;
2596 * Find any non-embedded images in private items and add redir links to them
2598 * @param array &$item The field array of an item row
2600 private static function addRedirToImageTags(array &$item)
2605 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
2607 foreach ($matches as $mtch) {
2608 if (strpos($mtch[1], '/redir') !== false) {
2612 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
2613 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
2614 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
2621 * Given an item array, convert the body element from bbcode to html and add smilie icons.
2622 * If attach is true, also add icons for item attachments.
2624 * @param array $item
2625 * @param boolean $attach
2626 * @param boolean $is_preview
2627 * @return string item body html
2628 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2629 * @throws \ImagickException
2630 * @hook prepare_body_init item array before any work
2631 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
2632 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
2633 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
2635 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
2638 Hook::callAll('prepare_body_init', $item);
2640 // In order to provide theme developers more possibilities, event items
2641 // are treated differently.
2642 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
2643 $ev = Event::getItemHTML($item);
2647 $tags = Tag::populateFromItem($item);
2649 $item['tags'] = $tags['tags'];
2650 $item['hashtags'] = $tags['hashtags'];
2651 $item['mentions'] = $tags['mentions'];
2653 // Compile eventual content filter reasons
2654 $filter_reasons = [];
2655 if (!$is_preview && public_contact() != $item['author-id']) {
2656 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
2657 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
2662 'filter_reasons' => $filter_reasons
2664 Hook::callAll('prepare_body_content_filter', $hook_data);
2665 $filter_reasons = $hook_data['filter_reasons'];
2669 $body = $item['body'] ?? '';
2670 $item['body'] = preg_replace("/\s*\[attachment .*?\].*?\[\/attachment\]\s*/ism", "\n", $item['body']);
2671 self::putInCache($item);
2672 $item['body'] = $body;
2673 $s = $item["rendered-html"];
2678 'preview' => $is_preview,
2679 'filter_reasons' => $filter_reasons
2681 Hook::callAll('prepare_body', $hook_data);
2682 $s = $hook_data['html'];
2686 // Replace the blockquotes with quotes that are used in mails.
2687 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
2688 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
2692 $shared = BBCode::fetchShareAttributes($item['body']);
2693 if (!empty($shared['guid'])) {
2694 $shared_item = Post::selectFirst(['uri-id', 'plink'], ['guid' => $shared['guid']]);
2695 $shared_uri_id = $shared_item['uri-id'] ?? 0;
2696 $shared_links = [strtolower($shared_item['plink'] ?? '')];
2697 $attachments = Post\Media::splitAttachments($shared_uri_id, $shared['guid']);
2698 $s = self::addVisualAttachments($attachments, $item, $s, true);
2699 $s = self::addLinkAttachment($attachments, $body, $s, true, []);
2700 $s = self::addNonVisualAttachments($attachments, $item, $s, true);
2701 $shared_links = array_merge($shared_links, array_column($attachments['visual'], 'url'));
2702 $shared_links = array_merge($shared_links, array_column($attachments['link'], 'url'));
2703 $shared_links = array_merge($shared_links, array_column($attachments['additional'], 'url'));
2704 $body = preg_replace("/\s*\[share .*?\].*?\[\/share\]\s*/ism", '', $body);
2710 $attachments = Post\Media::splitAttachments($item['uri-id'], $item['guid'] ?? '', $shared_links);
2711 $s = self::addVisualAttachments($attachments, $item, $s, false);
2712 $s = self::addLinkAttachment($attachments, $body, $s, false, $shared_links);
2713 $s = self::addNonVisualAttachments($attachments, $item, $s, false);
2716 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
2717 $x = Map::byCoordinates(trim($item['coord']));
2719 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
2723 // Replace friendica image url size with theme preference.
2724 if (!empty($a->theme_info['item_image_size'])) {
2725 $ps = $a->theme_info['item_image_size'];
2726 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
2729 $s = HTML::applyContentFilter($s, $filter_reasons);
2731 $hook_data = ['item' => $item, 'html' => $s];
2732 Hook::callAll('prepare_body_final', $hook_data);
2734 return $hook_data['html'];
2738 * Check if the body contains a link
2740 * @param string $body
2741 * @param string $url
2744 public static function containsLink(string $body, string $url)
2746 // Make sure that for example site parameters aren't used when testing if the link is contained in the body
2747 $urlparts = parse_url($url);
2748 unset($urlparts['query']);
2749 unset($urlparts['fragment']);
2750 $url = Network::unparseURL($urlparts);
2752 if (strpos($body, $url)) {
2755 foreach ([0, 1, 2] as $size) {
2756 if (preg_match('#/photo/.*-' . $size . '\.#ism', $url) &&
2757 strpos(preg_replace('#(/photo/.*)-[012]\.#ism', '$1-' . $size . '.', $body), $url)) {
2765 * Add visual attachments to the content
2767 * @param array $attachments
2768 * @param array $item
2769 * @param string $content
2770 * @return string modified content
2772 private static function addVisualAttachments(array $attachments, array $item, string $content, bool $shared)
2774 $stamp1 = microtime(true);
2778 // @todo In the future we should make a single for the template engine with all media in it. This allows more flexibilty.
2779 foreach ($attachments['visual'] as $attachment) {
2780 if (self::containsLink($item['body'], $attachment['url'])) {
2784 $author = ['uid' => 0, 'id' => $item['author-id'],
2785 'network' => $item['author-network'], 'url' => $item['author-link']];
2786 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
2788 if (!empty($attachment['preview'])) {
2789 $preview_url = Proxy::proxifyUrl(Contact::magicLinkByContact($author, $attachment['preview']));
2794 if (($attachment['filetype'] == 'video')) {
2795 /// @todo Move the template to /content as well
2796 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
2798 'id' => $attachment['id'],
2800 'name' => $attachment['name'] ?: $attachment['url'],
2801 'preview' => $preview_url,
2802 'mime' => $attachment['mimetype'],
2805 if ($item['post-type'] == Item::PT_VIDEO) {
2808 $trailing .= $media;
2810 } elseif ($attachment['filetype'] == 'audio') {
2811 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/audio.tpl'), [
2813 'id' => $attachment['id'],
2815 'name' => $attachment['name'] ?: $attachment['url'],
2816 'mime' => $attachment['mimetype'],
2819 if ($item['post-type'] == Item::PT_AUDIO) {
2822 $trailing .= $media;
2824 } elseif ($attachment['filetype'] == 'image') {
2825 if (empty($preview_url) && (max($attachment['width'], $attachment['height']) > 600)) {
2826 $preview_url = Proxy::proxifyUrl($the_url, false, ($attachment['width'] > $attachment['height']) ? Proxy::SIZE_MEDIUM : Proxy::SIZE_LARGE);
2828 $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/image.tpl'), [
2830 'src' => Proxy::proxifyUrl($the_url),
2831 'preview' => $preview_url,
2832 'attachment' => $attachment,
2835 // On Diaspora posts the attached pictures are leading
2836 if ($item['network'] == Protocol::DIASPORA) {
2839 $trailing .= $media;
2845 $content = str_replace(BBCode::TOP_ANCHOR, '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . BBCode::TOP_ANCHOR, $content);
2846 $content = str_replace(BBCode::BOTTOM_ANCHOR, '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>' . BBCode::BOTTOM_ANCHOR, $content);
2848 if ($leading != '') {
2849 $content = '<div class="body-attach">' . $leading . '<div class="clear"></div></div>' . $content;
2852 if ($trailing != '') {
2853 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
2857 DI::profiler()->saveTimestamp($stamp1, 'rendering');
2862 * Add link attachment to the content
2864 * @param array $attachments
2865 * @param string $body
2866 * @param string $content
2867 * @param bool $shared
2868 * @param array $ignore_links A list of URLs to ignore
2869 * @return string modified content
2871 private static function addLinkAttachment(array $attachments, string $body, string $content, bool $shared, array $ignore_links)
2873 $stamp1 = microtime(true);
2874 // @ToDo Check only for audio and video
2875 $preview = empty($attachments['visual']);
2877 if (!empty($attachments['link'])) {
2878 foreach ($attachments['link'] as $link) {
2880 foreach ($ignore_links as $ignore_link) {
2881 if (Strings::compareLink($link['url'], $ignore_link)) {
2885 // @todo Judge between the links to use the one with most information
2886 if (!$found && (empty($attachment) || !empty($link['author-name']) ||
2887 (empty($attachment['name']) && !empty($link['name'])) ||
2888 (empty($attachment['description']) && !empty($link['description'])) ||
2889 (empty($attachment['preview']) && !empty($link['preview'])))) {
2890 $attachment = $link;
2895 if (!empty($attachment)) {
2898 'author_name' => $attachment['author-name'] ?? '',
2899 'author_url' => $attachment['author-url'] ?? '',
2900 'description' => $attachment['description'] ?? '',
2903 'provider_name' => $attachment['publisher-name'] ?? '',
2904 'provider_url' => $attachment['publisher-url'] ?? '',
2906 'title' => $attachment['name'] ?? '',
2908 'url' => $attachment['url']];
2911 if ($attachment['preview-width'] >= 500) {
2912 $data['image'] = $attachment['preview'] ?? '';
2914 $data['preview'] = $attachment['preview'] ?? '';
2918 if (!empty($data['description']) && !empty($content)) {
2919 similar_text($data['description'], $content, $percent);
2924 if (!empty($data['description']) && (($data['title'] == $data['description']) || ($percent > 95) || (strpos($content, $data['description']) !== false))) {
2925 $data['description'] = '';
2928 if (($data['author_name'] ?? '') == ($data['provider_name'] ?? '')) {
2929 $data['author_name'] = '';
2932 if (($data['author_url'] ?? '') == ($data['provider_url'] ?? '')) {
2933 $data['author_url'] = '';
2935 } elseif (preg_match("/.*(\[attachment.*?\].*?\[\/attachment\]).*/ism", $body, $match)) {
2936 $data = BBCode::getAttachmentData($match[1]);
2938 DI::profiler()->saveTimestamp($stamp1, 'rendering');
2940 if (isset($data['url']) && !in_array($data['url'], $ignore_links)) {
2941 if (!empty($data['description']) || !empty($data['image']) || !empty($data['preview'])) {
2942 $parts = parse_url($data['url']);
2943 if (!empty($parts['scheme']) && !empty($parts['host'])) {
2944 if (empty($data['provider_name'])) {
2945 $data['provider_name'] = $parts['host'];
2947 if (empty($data['provider_url']) || empty(parse_url($data['provider_url'], PHP_URL_SCHEME))) {
2948 $data['provider_url'] = $parts['scheme'] . '://' . $parts['host'];
2950 if (!empty($parts['port'])) {
2951 $data['provider_url'] .= ':' . $parts['port'];
2956 // @todo Use a template
2957 $rendered = BBCode::convertAttachment('', BBCode::INTERNAL, false, $data);
2958 } elseif (!self::containsLink($content, $data['url'])) {
2959 $rendered = Renderer::replaceMacros(Renderer::getMarkupTemplate('content/link.tpl'), [
2960 '$url' => $data['url'],
2961 '$title' => $data['title'],
2968 return str_replace(BBCode::BOTTOM_ANCHOR, BBCode::BOTTOM_ANCHOR . $rendered, $content);
2970 return $content . $rendered;
2977 * Add non visual attachments to the content
2979 * @param array $attachments
2980 * @param array $item
2981 * @param string $content
2982 * @return string modified content
2984 private static function addNonVisualAttachments(array $attachments, array $item, string $content)
2986 $stamp1 = microtime(true);
2988 foreach ($attachments['additional'] as $attachment) {
2989 if (strpos($item['body'], $attachment['url'])) {
2993 $author = ['uid' => 0, 'id' => $item['author-id'],
2994 'network' => $item['author-network'], 'url' => $item['author-link']];
2995 $the_url = Contact::magicLinkByContact($author, $attachment['url']);
2997 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
2999 if (!empty($attachment['size'])) {
3000 $title .= ' ' . $attachment['size'] . ' ' . DI::l10n()->t('bytes');
3003 /// @todo Use a template
3004 $icon = '<div class="attachtype icon s22 type-' . $attachment['filetype'] . ' subtype-' . $attachment['subtype'] . '"></div>';
3005 $trailing .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3008 if ($trailing != '') {
3009 $content .= '<div class="body-attach">' . $trailing . '<div class="clear"></div></div>';
3012 DI::profiler()->saveTimestamp($stamp1, 'rendering');
3017 * get private link for item
3019 * @param array $item
3020 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3021 * @throws \Exception
3023 public static function getPlink($item)
3027 'href' => "display/" . $item['guid'],
3028 'orig' => "display/" . $item['guid'],
3029 'title' => DI::l10n()->t('View on separate page'),
3030 'orig_title' => DI::l10n()->t('View on separate page'),
3033 if (!empty($item['plink'])) {
3034 $ret['href'] = DI::baseUrl()->remove($item['plink']);
3035 $ret['title'] = DI::l10n()->t('Link to source');
3037 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3039 'href' => $item['plink'],
3040 'orig' => $item['plink'],
3041 'title' => DI::l10n()->t('Link to source'),
3042 'orig_title' => DI::l10n()->t('Link to source'),
3052 * Is the given item array a post that is sent as starting post to a forum?
3054 * @param array $item
3055 * @param array $owner
3057 * @return boolean "true" when it is a forum post
3059 public static function isForumPost(array $item, array $owner = [])
3061 if (empty($owner)) {
3062 $owner = User::getOwnerDataById($item['uid']);
3063 if (empty($owner)) {
3068 if (($item['author-id'] == $item['owner-id']) ||
3069 ($owner['id'] == $item['contact-id']) ||
3070 ($item['uri-id'] != $item['parent-uri-id']) ||
3075 return Contact::isForum($item['contact-id']);
3079 * Search item id for given URI or plink
3081 * @param string $uri
3082 * @param integer $uid
3084 * @return integer item id
3086 public static function searchByLink($uri, $uid = 0)
3088 $ssl_uri = str_replace('http://', 'https://', $uri);
3089 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3091 $item = Post::selectFirst(['id'], ['uri' => $uris, 'uid' => $uid]);
3092 if (DBA::isResult($item)) {
3096 $item = Post::selectFirst(['id'], ['plink' => $uris, 'uid' => $uid]);
3097 if (DBA::isResult($item)) {
3105 * Return the URI for a link to the post
3107 * @param string $uri URI or link to post
3109 * @return string URI
3111 public static function getURIByLink(string $uri)
3113 $ssl_uri = str_replace('http://', 'https://', $uri);
3114 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3116 $item = Post::selectFirst(['uri'], ['uri' => $uris]);
3117 if (DBA::isResult($item)) {
3118 return $item['uri'];
3121 $item = Post::selectFirst(['uri'], ['plink' => $uris]);
3122 if (DBA::isResult($item)) {
3123 return $item['uri'];
3130 * Fetches item for given URI or plink
3132 * @param string $uri
3133 * @param integer $uid
3135 * @return integer item id
3137 public static function fetchByLink(string $uri, int $uid = 0)
3139 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3140 $item_id = self::searchByLink($uri, $uid);
3141 if (!empty($item_id)) {
3142 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3146 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3147 $item_id = self::searchByLink($fetched_uri, $uid);
3149 $item_id = Diaspora::fetchByURL($uri);
3152 if (!empty($item_id)) {
3153 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3157 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3162 * Return share data from an item array (if the item is shared item)
3163 * We are providing the complete Item array, because at some time in the future
3164 * we hopefully will define these values not in the body anymore but in some item fields.
3165 * This function is meant to replace all similar functions in the system.
3167 * @param array $item
3169 * @return array with share information
3171 public static function getShareArray($item)
3173 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3177 $attribute_string = $matches[2];
3178 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3179 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3180 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3181 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3188 * Fetch item information for shared items from the original items and adds it.
3190 * @param array $item
3192 * @return array item array with data from the original item
3194 public static function addShareDataFromOriginal(array $item)
3196 $shared = self::getShareArray($item);
3197 if (empty($shared)) {
3201 // Real reshares always have got a GUID.
3202 if (empty($shared['guid'])) {
3206 $uid = $item['uid'] ?? 0;
3208 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3209 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3210 if (!DBA::isResult($shared_item)) {
3211 if (empty($shared['link'])) {
3215 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3216 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3218 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3222 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3223 if (!DBA::isResult($shared_item)) {
3226 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3228 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3231 if (!empty($shared_item['title'])) {
3232 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3233 unset($shared_item['title']);
3235 $body = $shared_item['body'];
3238 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3239 unset($shared_item['body']);
3241 return array_merge($item, $shared_item);
3245 * Check a prospective item array against user-level permissions
3247 * @param array $item Expected keys: uri, gravity, and
3248 * author-link if is author-id is set,
3249 * owner-link if is owner-id is set,
3250 * causer-link if is causer-id is set.
3251 * @param int $user_id Local user ID
3253 * @throws \Exception
3255 protected static function isAllowedByUser(array $item, int $user_id)
3257 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3258 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3262 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3263 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3267 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3268 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3269 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3273 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3274 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3282 * Improve the data in shared posts
3284 * @param array $item
3285 * @return string body
3287 public static function improveSharedDataInBody(array $item)
3289 $shared = BBCode::fetchShareAttributes($item['body']);
3290 if (empty($shared['link'])) {
3291 return $item['body'];
3294 $id = self::fetchByLink($shared['link']);
3295 Logger::info('Fetched shared post', ['uri-id' => $item['uri-id'], 'id' => $id, 'author' => $shared['profile'], 'url' => $shared['link'], 'guid' => $shared['guid'], 'callstack' => System::callstack()]);
3297 return $item['body'];
3300 $shared_item = Post::selectFirst(['author-name', 'author-link', 'author-avatar', 'plink', 'created', 'guid', 'title', 'body'], ['id' => $id]);
3301 if (!DBA::isResult($shared_item)) {
3302 return $item['body'];
3305 $shared_content = BBCode::getShareOpeningTag($shared_item['author-name'], $shared_item['author-link'], $shared_item['author-avatar'], $shared_item['plink'], $shared_item['created'], $shared_item['guid']);
3307 if (!empty($shared_item['title'])) {
3308 $shared_content .= '[h3]'.$shared_item['title'].'[/h3]'."\n";
3311 $shared_content .= $shared_item['body'];
3313 $item['body'] = preg_replace("/\[share.*?\](.*)\[\/share\]/ism", $shared_content . '[/share]', $item['body']);
3314 Logger::info('New shared data', ['uri-id' => $item['uri-id'], 'id' => $id, 'shared_item' => $shared_item]);
3315 return $item['body'];